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authorStanley Sufficool <ssufficool@php.net>2014-10-20 21:33:32 -0700
committerStanley Sufficool <ssufficool@php.net>2014-10-20 21:33:32 -0700
commit8defcb855ab01d9c8ab4759cb793d80149b55a8c (patch)
treeed51eb30a2cbc92b102557498fb3e4113da1bb07 /Zend/zend_compile.c
parent9c7dbb0487f5991fde03873ea8f5e66d6688415f (diff)
parentbaddb1c73a170ef1d2c31bd54cddbc6e1ab596b9 (diff)
downloadphp-git-8defcb855ab01d9c8ab4759cb793d80149b55a8c.tar.gz
Merge branch 'master' of https://git.php.net/push/php-src
* 'master' of https://git.php.net/push/php-src: (6215 commits) Extra comma Moved proxy object support in ASSIGN_ADD (and family) from VM to slow paths of corresponding operators Simplification zend_get_property_info_quick() cleanup and optimization initialize lineno before calling compile file file in phar Use ADDREF instead of DUP, it must be enough. Removed old irrelevant comment fixed compilation error Fix bug #68262: Broken reference across cloned objects export functions needed for phpdbg Fixed compilation Optimized property access handlers. Removed EG(std_property_info). Fixed bug #68199 (PDO::pgsqlGetNotify doesn't support NOTIFY payloads) Don't make difference between undefined and unaccessible properies when call __get() and family Don't make useless CSE array_pop/array_shift optimization check for zlib headers as well as lib for mysqlnd a realpath cache key can be int or float, catching this News entry for new curl constants News entry for new curl constants ...
Diffstat (limited to 'Zend/zend_compile.c')
-rw-r--r--Zend/zend_compile.c10023
1 files changed, 4588 insertions, 5435 deletions
diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c
index 3bdacc750d..5d3ee24c84 100644
--- a/Zend/zend_compile.c
+++ b/Zend/zend_compile.c
@@ -2,7 +2,7 @@
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
- | Copyright (c) 1998-2013 Zend Technologies Ltd. (http://www.zend.com) |
+ | Copyright (c) 1998-2014 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
@@ -14,6 +14,7 @@
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+ | Nikita Popov <nikic@php.net> |
+----------------------------------------------------------------------+
*/
@@ -26,12 +27,13 @@
#include "zend_llist.h"
#include "zend_API.h"
#include "zend_exceptions.h"
-#include "tsrm_virtual_cwd.h"
+#include "zend_virtual_cwd.h"
#include "zend_multibyte.h"
#include "zend_language_scanner.h"
+#include "zend_inheritance.h"
#define CONSTANT_EX(op_array, op) \
- (op_array)->literals[op].constant
+ (op_array)->literals[op]
#define CONSTANT(op) \
CONSTANT_EX(CG(active_op_array), op)
@@ -51,48 +53,21 @@
(target)->u.constant = CONSTANT(src.constant); \
} else { \
(target)->u.op = src; \
- (target)->EA = 0; \
} \
} while (0)
-#define COPY_NODE(target, src) do { \
- target ## _type = src ## _type; \
- target = src; \
- } while (0)
-
-#define CALCULATE_LITERAL_HASH(num) do { \
- zval *c = &CONSTANT(num); \
- Z_HASH_P(c) = str_hash(Z_STRVAL_P(c), Z_STRLEN_P(c)); \
- } while (0)
-
-#define GET_CACHE_SLOT(literal) do { \
- CG(active_op_array)->literals[literal].cache_slot = CG(active_op_array)->last_cache_slot++; \
- if ((CG(active_op_array)->fn_flags & ZEND_ACC_INTERACTIVE) && CG(active_op_array)->run_time_cache) { \
- CG(active_op_array)->run_time_cache = erealloc(CG(active_op_array)->run_time_cache, CG(active_op_array)->last_cache_slot * sizeof(void*)); \
- CG(active_op_array)->run_time_cache[CG(active_op_array)->last_cache_slot - 1] = NULL; \
- } \
- } while (0)
+static inline void zend_alloc_cache_slot(uint32_t literal TSRMLS_DC) {
+ zend_op_array *op_array = CG(active_op_array);
+ Z_CACHE_SLOT(op_array->literals[literal]) = op_array->last_cache_slot++;
+}
#define POLYMORPHIC_CACHE_SLOT_SIZE 2
-#define GET_POLYMORPHIC_CACHE_SLOT(literal) do { \
- CG(active_op_array)->literals[literal].cache_slot = CG(active_op_array)->last_cache_slot; \
- CG(active_op_array)->last_cache_slot += POLYMORPHIC_CACHE_SLOT_SIZE; \
- if ((CG(active_op_array)->fn_flags & ZEND_ACC_INTERACTIVE) && CG(active_op_array)->run_time_cache) { \
- CG(active_op_array)->run_time_cache = erealloc(CG(active_op_array)->run_time_cache, CG(active_op_array)->last_cache_slot * sizeof(void*)); \
- CG(active_op_array)->run_time_cache[CG(active_op_array)->last_cache_slot - 1] = NULL; \
- CG(active_op_array)->run_time_cache[CG(active_op_array)->last_cache_slot - 2] = NULL; \
- } \
- } while (0)
-
-#define FREE_POLYMORPHIC_CACHE_SLOT(literal) do { \
- if (CG(active_op_array)->literals[literal].cache_slot != -1 && \
- CG(active_op_array)->literals[literal].cache_slot == \
- CG(active_op_array)->last_cache_slot - POLYMORPHIC_CACHE_SLOT_SIZE) { \
- CG(active_op_array)->literals[literal].cache_slot = -1; \
- CG(active_op_array)->last_cache_slot -= POLYMORPHIC_CACHE_SLOT_SIZE; \
- } \
- } while (0)
+static inline void zend_alloc_polymorphic_cache_slot(uint32_t literal TSRMLS_DC) {
+ zend_op_array *op_array = CG(active_op_array);
+ Z_CACHE_SLOT(op_array->literals[literal]) = op_array->last_cache_slot;
+ op_array->last_cache_slot += POLYMORPHIC_CACHE_SLOT_SIZE;
+}
ZEND_API zend_op_array *(*zend_compile_file)(zend_file_handle *file_handle, int type TSRMLS_DC);
ZEND_API zend_op_array *(*zend_compile_string)(zval *source_string, char *filename TSRMLS_DC);
@@ -102,78 +77,87 @@ ZEND_API zend_compiler_globals compiler_globals;
ZEND_API zend_executor_globals executor_globals;
#endif
-static void zend_duplicate_property_info(zend_property_info *property_info) /* {{{ */
+static void zend_destroy_property_info(zval *zv) /* {{{ */
{
- property_info->name = str_estrndup(property_info->name, property_info->name_length);
+ zend_property_info *property_info = Z_PTR_P(zv);
+
+ zend_string_release(property_info->name);
if (property_info->doc_comment) {
- property_info->doc_comment = estrndup(property_info->doc_comment, property_info->doc_comment_len);
+ zend_string_release(property_info->doc_comment);
}
}
/* }}} */
-static void zend_duplicate_property_info_internal(zend_property_info *property_info) /* {{{ */
+static void zend_destroy_property_info_internal(zval *zv) /* {{{ */
{
- property_info->name = str_strndup(property_info->name, property_info->name_length);
-}
-/* }}} */
+ zend_property_info *property_info = Z_PTR_P(zv);
-static void zend_destroy_property_info(zend_property_info *property_info) /* {{{ */
-{
- str_efree(property_info->name);
- if (property_info->doc_comment) {
- efree((char*)property_info->doc_comment);
- }
+ zend_string_release(property_info->name);
+ free(property_info);
}
/* }}} */
-static void zend_destroy_property_info_internal(zend_property_info *property_info) /* {{{ */
-{
- str_free((char*)property_info->name);
+static zend_string *zend_new_interned_string_safe(zend_string *str TSRMLS_DC) /* {{{ */ {
+ zend_string *interned_str;
+
+ zend_string_addref(str);
+ interned_str = zend_new_interned_string(str TSRMLS_CC);
+ if (str != interned_str) {
+ return interned_str;
+ } else {
+ zend_string_release(str);
+ return str;
+ }
}
/* }}} */
-static void build_runtime_defined_function_key(zval *result, const char *name, int name_length TSRMLS_DC) /* {{{ */
+static zend_string *zend_build_runtime_definition_key(zend_string *name, unsigned char *lex_pos TSRMLS_DC) /* {{{ */
{
+ zend_string *result;
char char_pos_buf[32];
- uint char_pos_len;
- const char *filename;
+ size_t filename_len, char_pos_len = zend_sprintf(char_pos_buf, "%p", lex_pos);
- char_pos_len = zend_sprintf(char_pos_buf, "%p", LANG_SCNG(yy_text));
+ const char *filename;
if (CG(active_op_array)->filename) {
- filename = CG(active_op_array)->filename;
+ filename = CG(active_op_array)->filename->val;
+ filename_len = CG(active_op_array)->filename->len;
} else {
filename = "-";
+ filename_len = sizeof("-") - 1;
}
-
/* NULL, name length, filename length, last accepting char position length */
- Z_STRLEN_P(result) = 1+name_length+strlen(filename)+char_pos_len;
+ result = zend_string_alloc(1 + name->len + filename_len + char_pos_len, 0);
+ sprintf(result->val, "%c%s%s%s", '\0', name->val, filename, char_pos_buf);
+ return zend_new_interned_string(result TSRMLS_CC);
+}
+/* }}} */
- /* must be binary safe */
- Z_STRVAL_P(result) = (char *) safe_emalloc(Z_STRLEN_P(result), 1, 1);
- Z_STRVAL_P(result)[0] = '\0';
- sprintf(Z_STRVAL_P(result)+1, "%s%s%s", name, filename, char_pos_buf);
+static zend_bool zend_get_unqualified_name(const zend_string *name, const char **result, size_t *result_len) /* {{{ */
+{
+ const char *ns_separator = zend_memrchr(name->val, '\\', name->len);
+ if (ns_separator != NULL) {
+ *result = ns_separator + 1;
+ *result_len = name->val + name->len - *result;
+ return 1;
+ }
- result->type = IS_STRING;
- Z_SET_REFCOUNT_P(result, 1);
+ return 0;
}
/* }}} */
static void init_compiler_declarables(TSRMLS_D) /* {{{ */
{
- Z_TYPE(CG(declarables).ticks) = IS_LONG;
- Z_LVAL(CG(declarables).ticks) = 0;
+ ZVAL_LONG(&CG(declarables).ticks, 0);
}
/* }}} */
void zend_init_compiler_context(TSRMLS_D) /* {{{ */
{
- CG(context).opcodes_size = (CG(active_op_array)->fn_flags & ZEND_ACC_INTERACTIVE) ? INITIAL_INTERACTIVE_OP_ARRAY_SIZE : INITIAL_OP_ARRAY_SIZE;
+ CG(context).opcodes_size = INITIAL_OP_ARRAY_SIZE;
CG(context).vars_size = 0;
CG(context).literals_size = 0;
CG(context).current_brk_cont = -1;
CG(context).backpatch_count = 0;
- CG(context).nested_calls = 0;
- CG(context).used_stack = 0;
CG(context).in_finally = 0;
CG(context).labels = NULL;
}
@@ -181,24 +165,20 @@ void zend_init_compiler_context(TSRMLS_D) /* {{{ */
void zend_init_compiler_data_structures(TSRMLS_D) /* {{{ */
{
- zend_stack_init(&CG(bp_stack));
- zend_stack_init(&CG(function_call_stack));
- zend_stack_init(&CG(switch_cond_stack));
- zend_stack_init(&CG(foreach_copy_stack));
- zend_stack_init(&CG(object_stack));
- zend_stack_init(&CG(declare_stack));
+ zend_stack_init(&CG(loop_var_stack), sizeof(znode));
+ zend_stack_init(&CG(delayed_oplines_stack), sizeof(zend_op));
CG(active_class_entry) = NULL;
- zend_llist_init(&CG(list_llist), sizeof(list_llist_element), NULL, 0);
- zend_llist_init(&CG(dimension_llist), sizeof(int), NULL, 0);
- zend_stack_init(&CG(list_stack));
CG(in_compilation) = 0;
CG(start_lineno) = 0;
CG(current_namespace) = NULL;
CG(in_namespace) = 0;
CG(has_bracketed_namespaces) = 0;
CG(current_import) = NULL;
+ CG(current_import_function) = NULL;
+ CG(current_import_const) = NULL;
+ zend_hash_init(&CG(const_filenames), 8, NULL, NULL, 0);
init_compiler_declarables(TSRMLS_C);
- zend_stack_init(&CG(context_stack));
+ zend_stack_init(&CG(context_stack), sizeof(CG(context)));
CG(encoding_declared) = 0;
}
@@ -214,11 +194,12 @@ ZEND_API void file_handle_dtor(zend_file_handle *fh) /* {{{ */
void init_compiler(TSRMLS_D) /* {{{ */
{
+ CG(arena) = zend_arena_create(64 * 1024);
CG(active_op_array) = NULL;
memset(&CG(context), 0, sizeof(CG(context)));
zend_init_compiler_data_structures(TSRMLS_C);
zend_init_rsrc_list(TSRMLS_C);
- zend_hash_init(&CG(filenames_table), 5, NULL, (dtor_func_t) free_estring, 0);
+ zend_hash_init(&CG(filenames_table), 8, NULL, free_string_zval, 0);
zend_llist_init(&CG(open_files), sizeof(zend_file_handle), (void (*)(void *)) file_handle_dtor, 0);
CG(unclean_shutdown) = 0;
}
@@ -226,42 +207,38 @@ void init_compiler(TSRMLS_D) /* {{{ */
void shutdown_compiler(TSRMLS_D) /* {{{ */
{
- zend_stack_destroy(&CG(bp_stack));
- zend_stack_destroy(&CG(function_call_stack));
- zend_stack_destroy(&CG(switch_cond_stack));
- zend_stack_destroy(&CG(foreach_copy_stack));
- zend_stack_destroy(&CG(object_stack));
- zend_stack_destroy(&CG(declare_stack));
- zend_stack_destroy(&CG(list_stack));
+ zend_stack_destroy(&CG(loop_var_stack));
+ zend_stack_destroy(&CG(delayed_oplines_stack));
zend_hash_destroy(&CG(filenames_table));
- zend_llist_destroy(&CG(open_files));
+ zend_hash_destroy(&CG(const_filenames));
zend_stack_destroy(&CG(context_stack));
+ zend_arena_destroy(CG(arena));
}
/* }}} */
-ZEND_API char *zend_set_compiled_filename(const char *new_compiled_filename TSRMLS_DC) /* {{{ */
+ZEND_API zend_string *zend_set_compiled_filename(zend_string *new_compiled_filename TSRMLS_DC) /* {{{ */
{
- char **pp, *p;
- int length = strlen(new_compiled_filename);
+ zend_string *p;
- if (zend_hash_find(&CG(filenames_table), new_compiled_filename, length+1, (void **) &pp) == SUCCESS) {
- CG(compiled_filename) = *pp;
- return *pp;
+ p = zend_hash_find_ptr(&CG(filenames_table), new_compiled_filename);
+ if (p != NULL) {
+ CG(compiled_filename) = p;
+ return p;
}
- p = estrndup(new_compiled_filename, length);
- zend_hash_update(&CG(filenames_table), new_compiled_filename, length+1, &p, sizeof(char *), (void **) &pp);
+ p = zend_string_copy(new_compiled_filename);
+ zend_hash_update_ptr(&CG(filenames_table), new_compiled_filename, p);
CG(compiled_filename) = p;
return p;
}
/* }}} */
-ZEND_API void zend_restore_compiled_filename(char *original_compiled_filename TSRMLS_DC) /* {{{ */
+ZEND_API void zend_restore_compiled_filename(zend_string *original_compiled_filename TSRMLS_DC) /* {{{ */
{
CG(compiled_filename) = original_compiled_filename;
}
/* }}} */
-ZEND_API char *zend_get_compiled_filename(TSRMLS_D) /* {{{ */
+ZEND_API zend_string *zend_get_compiled_filename(TSRMLS_D) /* {{{ */
{
return CG(compiled_filename);
}
@@ -279,24 +256,23 @@ ZEND_API zend_bool zend_is_compiling(TSRMLS_D) /* {{{ */
}
/* }}} */
-static zend_uint get_temporary_variable(zend_op_array *op_array) /* {{{ */
+static uint32_t get_temporary_variable(zend_op_array *op_array) /* {{{ */
{
- return (zend_uint)(zend_uintptr_t)EX_TMP_VAR_NUM(0, (op_array->T)++);
+ return (uint32_t)op_array->T++;
}
/* }}} */
-static int lookup_cv(zend_op_array *op_array, char* name, int name_len, ulong hash TSRMLS_DC) /* {{{ */
-{
+static int lookup_cv(zend_op_array *op_array, zend_string* name TSRMLS_DC) /* {{{ */{
int i = 0;
- ulong hash_value = hash ? hash : zend_inline_hash_func(name, name_len+1);
+ zend_ulong hash_value = zend_string_hash_val(name);
while (i < op_array->last_var) {
- if (op_array->vars[i].name == name ||
- (op_array->vars[i].hash_value == hash_value &&
- op_array->vars[i].name_len == name_len &&
- memcmp(op_array->vars[i].name, name, name_len) == 0)) {
- str_efree(name);
- return i;
+ if (op_array->vars[i]->val == name->val ||
+ (op_array->vars[i]->h == hash_value &&
+ op_array->vars[i]->len == name->len &&
+ memcmp(op_array->vars[i]->val, name->val, name->len) == 0)) {
+ zend_string_release(name);
+ return (int)(zend_intptr_t)EX_VAR_NUM_2(NULL, i);
}
i++;
}
@@ -304,12 +280,11 @@ static int lookup_cv(zend_op_array *op_array, char* name, int name_len, ulong ha
op_array->last_var++;
if (op_array->last_var > CG(context).vars_size) {
CG(context).vars_size += 16; /* FIXME */
- op_array->vars = erealloc(op_array->vars, CG(context).vars_size * sizeof(zend_compiled_variable));
+ op_array->vars = erealloc(op_array->vars, CG(context).vars_size * sizeof(zend_string*));
}
- op_array->vars[i].name = zend_new_interned_string(name, name_len + 1, 1 TSRMLS_CC);
- op_array->vars[i].name_len = name_len;
- op_array->vars[i].hash_value = hash_value;
- return i;
+
+ op_array->vars[i] = zend_new_interned_string(name TSRMLS_CC);
+ return (int)(zend_intptr_t)EX_VAR_NUM_2(NULL, i);
}
/* }}} */
@@ -319,30 +294,30 @@ void zend_del_literal(zend_op_array *op_array, int n) /* {{{ */
if (n + 1 == op_array->last_literal) {
op_array->last_literal--;
} else {
- Z_TYPE(CONSTANT_EX(op_array, n)) = IS_NULL;
+ ZVAL_UNDEF(&CONSTANT_EX(op_array, n));
}
}
/* }}} */
/* Common part of zend_add_literal and zend_append_individual_literal */
-static inline void zend_insert_literal(zend_op_array *op_array, const zval *zv, int literal_position TSRMLS_DC) /* {{{ */
+static inline void zend_insert_literal(zend_op_array *op_array, zval *zv, int literal_position TSRMLS_DC) /* {{{ */
{
if (Z_TYPE_P(zv) == IS_STRING || Z_TYPE_P(zv) == IS_CONSTANT) {
- zval *z = (zval*)zv;
- Z_STRVAL_P(z) = (char*)zend_new_interned_string(Z_STRVAL_P(zv), Z_STRLEN_P(zv) + 1, 1 TSRMLS_CC);
+ zend_string_hash_val(Z_STR_P(zv));
+ Z_STR_P(zv) = zend_new_interned_string(Z_STR_P(zv) TSRMLS_CC);
+ if (IS_INTERNED(Z_STR_P(zv))) {
+ Z_TYPE_FLAGS_P(zv) &= ~ (IS_TYPE_REFCOUNTED | IS_TYPE_COPYABLE);
+ }
}
- CONSTANT_EX(op_array, literal_position) = *zv;
- Z_SET_REFCOUNT(CONSTANT_EX(op_array, literal_position), 2);
- Z_SET_ISREF(CONSTANT_EX(op_array, literal_position));
- op_array->literals[literal_position].hash_value = 0;
- op_array->literals[literal_position].cache_slot = -1;
+ ZVAL_COPY_VALUE(&CONSTANT_EX(op_array, literal_position), zv);
+ Z_CACHE_SLOT(op_array->literals[literal_position]) = -1;
}
/* }}} */
/* Is used while compiling a function, using the context to keep track
of an approximate size to avoid to relocate to often.
Literals are truncated to actual size in the second compiler pass (pass_two()). */
-int zend_add_literal(zend_op_array *op_array, const zval *zv TSRMLS_DC) /* {{{ */
+int zend_add_literal(zend_op_array *op_array, zval *zv TSRMLS_DC) /* {{{ */
{
int i = op_array->last_literal;
op_array->last_literal++;
@@ -350,4781 +325,4279 @@ int zend_add_literal(zend_op_array *op_array, const zval *zv TSRMLS_DC) /* {{{ *
while (i >= CG(context).literals_size) {
CG(context).literals_size += 16; /* FIXME */
}
- op_array->literals = (zend_literal*)erealloc(op_array->literals, CG(context).literals_size * sizeof(zend_literal));
+ op_array->literals = (zval*)erealloc(op_array->literals, CG(context).literals_size * sizeof(zval));
}
zend_insert_literal(op_array, zv, i TSRMLS_CC);
return i;
}
/* }}} */
-/* Is used after normal compilation to append an additional literal.
- Allocation is done precisely here. */
-int zend_append_individual_literal(zend_op_array *op_array, const zval *zv TSRMLS_DC) /* {{{ */
+static inline int zend_add_literal_string(zend_op_array *op_array, zend_string **str TSRMLS_DC) /* {{{ */
{
- int i = op_array->last_literal;
- op_array->last_literal++;
- op_array->literals = (zend_literal*)erealloc(op_array->literals, (i + 1) * sizeof(zend_literal));
- zend_insert_literal(op_array, zv, i TSRMLS_CC);
- return i;
+ int ret;
+ zval zv;
+ ZVAL_STR(&zv, *str);
+ ret = zend_add_literal(op_array, &zv TSRMLS_CC);
+ *str = Z_STR(zv);
+ return ret;
}
-/* }}} */
-int zend_add_func_name_literal(zend_op_array *op_array, const zval *zv TSRMLS_DC) /* {{{ */
+static int zend_add_func_name_literal(zend_op_array *op_array, zend_string *name TSRMLS_DC) /* {{{ */
{
- int ret;
- char *lc_name;
- zval c;
- int lc_literal;
-
- if (op_array->last_literal > 0 &&
- &op_array->literals[op_array->last_literal - 1].constant == zv &&
- op_array->literals[op_array->last_literal - 1].cache_slot == -1) {
- /* we already have function name as last literal (do nothing) */
- ret = op_array->last_literal - 1;
- } else {
- ret = zend_add_literal(op_array, zv TSRMLS_CC);
- }
+ /* Original name */
+ int ret = zend_add_literal_string(op_array, &name TSRMLS_CC);
- lc_name = zend_str_tolower_dup(Z_STRVAL_P(zv), Z_STRLEN_P(zv));
- ZVAL_STRINGL(&c, lc_name, Z_STRLEN_P(zv), 0);
- lc_literal = zend_add_literal(CG(active_op_array), &c TSRMLS_CC);
- CALCULATE_LITERAL_HASH(lc_literal);
+ /* Lowercased name */
+ zend_string *lc_name = zend_string_alloc(name->len, 0);
+ zend_str_tolower_copy(lc_name->val, name->val, name->len);
+ zend_add_literal_string(op_array, &lc_name TSRMLS_CC);
return ret;
}
/* }}} */
-int zend_add_ns_func_name_literal(zend_op_array *op_array, const zval *zv TSRMLS_DC) /* {{{ */
+static int zend_add_ns_func_name_literal(zend_op_array *op_array, zend_string *name TSRMLS_DC) /* {{{ */
{
- int ret;
- char *lc_name;
- const char *ns_separator;
- int lc_len;
- zval c;
- int lc_literal;
-
- if (op_array->last_literal > 0 &&
- &op_array->literals[op_array->last_literal - 1].constant == zv &&
- op_array->literals[op_array->last_literal - 1].cache_slot == -1) {
- /* we already have function name as last literal (do nothing) */
- ret = op_array->last_literal - 1;
- } else {
- ret = zend_add_literal(op_array, zv TSRMLS_CC);
- }
+ const char *unqualified_name;
+ size_t unqualified_name_len;
+
+ /* Original name */
+ int ret = zend_add_literal_string(op_array, &name TSRMLS_CC);
- lc_name = zend_str_tolower_dup(Z_STRVAL_P(zv), Z_STRLEN_P(zv));
- ZVAL_STRINGL(&c, lc_name, Z_STRLEN_P(zv), 0);
- lc_literal = zend_add_literal(CG(active_op_array), &c TSRMLS_CC);
- CALCULATE_LITERAL_HASH(lc_literal);
+ /* Lowercased name */
+ zend_string *lc_name = zend_string_alloc(name->len, 0);
+ zend_str_tolower_copy(lc_name->val, name->val, name->len);
+ zend_add_literal_string(op_array, &lc_name TSRMLS_CC);
- ns_separator = (const char*)zend_memrchr(Z_STRVAL_P(zv), '\\', Z_STRLEN_P(zv)) + 1;
- lc_len = Z_STRLEN_P(zv) - (ns_separator - Z_STRVAL_P(zv));
- lc_name = zend_str_tolower_dup(ns_separator, lc_len);
- ZVAL_STRINGL(&c, lc_name, lc_len, 0);
- lc_literal = zend_add_literal(CG(active_op_array), &c TSRMLS_CC);
- CALCULATE_LITERAL_HASH(lc_literal);
+ /* Lowercased unqualfied name */
+ if (zend_get_unqualified_name(name, &unqualified_name, &unqualified_name_len)) {
+ lc_name = zend_string_alloc(unqualified_name_len, 0);
+ zend_str_tolower_copy(lc_name->val, unqualified_name, unqualified_name_len);
+ zend_add_literal_string(op_array, &lc_name TSRMLS_CC);
+ }
return ret;
}
/* }}} */
-int zend_add_class_name_literal(zend_op_array *op_array, const zval *zv TSRMLS_DC) /* {{{ */
+static int zend_add_class_name_literal(zend_op_array *op_array, zend_string *name TSRMLS_DC) /* {{{ */
{
- int ret;
- char *lc_name;
- int lc_len;
- zval c;
- int lc_literal;
-
- if (op_array->last_literal > 0 &&
- &op_array->literals[op_array->last_literal - 1].constant == zv &&
- op_array->literals[op_array->last_literal - 1].cache_slot == -1) {
- /* we already have function name as last literal (do nothing) */
- ret = op_array->last_literal - 1;
- } else {
- ret = zend_add_literal(op_array, zv TSRMLS_CC);
- }
+ /* Original name */
+ int ret = zend_add_literal_string(op_array, &name TSRMLS_CC);
- if (Z_STRVAL_P(zv)[0] == '\\') {
- lc_len = Z_STRLEN_P(zv) - 1;
- lc_name = zend_str_tolower_dup(Z_STRVAL_P(zv) + 1, lc_len);
- } else {
- lc_len = Z_STRLEN_P(zv);
- lc_name = zend_str_tolower_dup(Z_STRVAL_P(zv), lc_len);
- }
- ZVAL_STRINGL(&c, lc_name, lc_len, 0);
- lc_literal = zend_add_literal(CG(active_op_array), &c TSRMLS_CC);
- CALCULATE_LITERAL_HASH(lc_literal);
+ /* Lowercased name */
+ zend_string *lc_name = zend_string_alloc(name->len, 0);
+ zend_str_tolower_copy(lc_name->val, name->val, name->len);
+ zend_add_literal_string(op_array, &lc_name TSRMLS_CC);
- GET_CACHE_SLOT(ret);
+ zend_alloc_cache_slot(ret TSRMLS_CC);
return ret;
}
/* }}} */
-int zend_add_const_name_literal(zend_op_array *op_array, const zval *zv, int unqualified TSRMLS_DC) /* {{{ */
+static int zend_add_const_name_literal(zend_op_array *op_array, zend_string *name, zend_bool unqualified TSRMLS_DC) /* {{{ */
{
- int ret, tmp_literal;
- char *name, *tmp_name;
- const char *ns_separator;
- int name_len, ns_len;
- zval c;
+ zend_string *tmp_name;
- if (op_array->last_literal > 0 &&
- &op_array->literals[op_array->last_literal - 1].constant == zv &&
- op_array->literals[op_array->last_literal - 1].cache_slot == -1) {
- /* we already have function name as last literal (do nothing) */
- ret = op_array->last_literal - 1;
- } else {
- ret = zend_add_literal(op_array, zv TSRMLS_CC);
- }
+ int ret = zend_add_literal_string(op_array, &name TSRMLS_CC);
- /* skip leading '\\' */
- if (Z_STRVAL_P(zv)[0] == '\\') {
- name_len = Z_STRLEN_P(zv) - 1;
- name = Z_STRVAL_P(zv) + 1;
- } else {
- name_len = Z_STRLEN_P(zv);
- name = Z_STRVAL_P(zv);
- }
- ns_separator = zend_memrchr(name, '\\', name_len);
- if (ns_separator) {
- ns_len = ns_separator - name;
- } else {
- ns_len = 0;
- }
+ size_t ns_len = 0, after_ns_len = name->len;
+ const char *after_ns = zend_memrchr(name->val, '\\', name->len);
+ if (after_ns) {
+ after_ns += 1;
+ ns_len = after_ns - name->val - 1;
+ after_ns_len = name->len - ns_len - 1;
- if (ns_len) {
/* lowercased namespace name & original constant name */
- tmp_name = estrndup(name, name_len);
- zend_str_tolower(tmp_name, ns_len);
- ZVAL_STRINGL(&c, tmp_name, name_len, 0);
- tmp_literal = zend_add_literal(CG(active_op_array), &c TSRMLS_CC);
- CALCULATE_LITERAL_HASH(tmp_literal);
+ tmp_name = zend_string_init(name->val, name->len, 0);
+ zend_str_tolower(tmp_name->val, ns_len);
+ zend_add_literal_string(op_array, &tmp_name TSRMLS_CC);
/* lowercased namespace name & lowercased constant name */
- tmp_name = zend_str_tolower_dup(name, name_len);
- ZVAL_STRINGL(&c, tmp_name, name_len, 0);
- tmp_literal = zend_add_literal(CG(active_op_array), &c TSRMLS_CC);
- CALCULATE_LITERAL_HASH(tmp_literal);
- }
+ tmp_name = zend_string_alloc(name->len, 0);
+ zend_str_tolower_copy(tmp_name->val, name->val, name->len);
+ zend_add_literal_string(op_array, &tmp_name TSRMLS_CC);
- if (ns_len) {
if (!unqualified) {
return ret;
}
- ns_len++;
- name += ns_len;
- name_len -= ns_len;
+ } else {
+ after_ns = name->val;
}
- /* original constant name */
- tmp_name = estrndup(name, name_len);
- ZVAL_STRINGL(&c, tmp_name, name_len, 0);
- tmp_literal = zend_add_literal(CG(active_op_array), &c TSRMLS_CC);
- CALCULATE_LITERAL_HASH(tmp_literal);
+ /* original unqualified constant name */
+ tmp_name = zend_string_init(after_ns, after_ns_len, 0);
+ zend_add_literal_string(op_array, &tmp_name TSRMLS_CC);
- /* lowercased constant name */
- tmp_name = zend_str_tolower_dup(name, name_len);
- ZVAL_STRINGL(&c, tmp_name, name_len, 0);
- tmp_literal = zend_add_literal(CG(active_op_array), &c TSRMLS_CC);
- CALCULATE_LITERAL_HASH(tmp_literal);
+ /* lowercased unqualified constant name */
+ tmp_name = zend_string_alloc(after_ns_len, 0);
+ zend_str_tolower_copy(tmp_name->val, after_ns, after_ns_len);
+ zend_add_literal_string(op_array, &tmp_name TSRMLS_CC);
return ret;
}
/* }}} */
-#define LITERAL_STRINGL(op, str, len, copy) do { \
+#define LITERAL_STR(op, str) do { \
zval _c; \
- ZVAL_STRINGL(&_c, str, len, copy); \
+ ZVAL_STR(&_c, str); \
op.constant = zend_add_literal(CG(active_op_array), &_c TSRMLS_CC); \
} while (0)
-#define LITERAL_LONG(op, val) do { \
- zval _c; \
- ZVAL_LONG(&_c, val); \
- op.constant = zend_add_literal(CG(active_op_array), &_c TSRMLS_CC); \
- } while (0)
+#define MAKE_NOP(opline) do { \
+ opline->opcode = ZEND_NOP; \
+ memset(&opline->result, 0, sizeof(opline->result)); \
+ memset(&opline->op1, 0, sizeof(opline->op1)); \
+ memset(&opline->op2, 0, sizeof(opline->op2)); \
+ opline->result_type = opline->op1_type = opline->op2_type = IS_UNUSED; \
+} while (0)
-#define LITERAL_LONG_EX(op_array, op, val) do { \
- zval _c; \
- ZVAL_LONG(&_c, val); \
- op.constant = zend_add_literal(op_array, &_c TSRMLS_CC); \
- } while (0)
-
-#define LITERAL_NULL(op) do { \
- zval _c; \
- INIT_ZVAL( _c); \
- op.constant = zend_add_literal(CG(active_op_array), &_c TSRMLS_CC); \
- } while (0)
+void zend_stop_lexing(TSRMLS_D) {
+ LANG_SCNG(yy_cursor) = LANG_SCNG(yy_limit);
+}
-static inline zend_bool zend_is_function_or_method_call(const znode *variable) /* {{{ */
+static inline void zend_begin_loop(TSRMLS_D) /* {{{ */
{
- zend_uint type = variable->EA;
+ zend_brk_cont_element *brk_cont_element;
+ int parent;
- return ((type & ZEND_PARSED_METHOD_CALL) || (type == ZEND_PARSED_FUNCTION_CALL));
+ parent = CG(context).current_brk_cont;
+ CG(context).current_brk_cont = CG(active_op_array)->last_brk_cont;
+ brk_cont_element = get_next_brk_cont_element(CG(active_op_array));
+ brk_cont_element->start = get_next_op_number(CG(active_op_array));
+ brk_cont_element->parent = parent;
}
/* }}} */
-void zend_do_binary_op(zend_uchar op, znode *result, const znode *op1, const znode *op2 TSRMLS_DC) /* {{{ */
+static inline void zend_end_loop(int cont_addr, int has_loop_var TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
-
- opline->opcode = op;
- opline->result_type = IS_TMP_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- SET_NODE(opline->op1, op1);
- SET_NODE(opline->op2, op2);
- GET_NODE(result, opline->result);
+ if (!has_loop_var) {
+ /* The start fileld is used to free temporary variables in case of exceptions.
+ * We won't try to free something of we don't have loop variable.
+ */
+ CG(active_op_array)->brk_cont_array[CG(context).current_brk_cont].start = -1;
+ }
+ CG(active_op_array)->brk_cont_array[CG(context).current_brk_cont].cont = cont_addr;
+ CG(active_op_array)->brk_cont_array[CG(context).current_brk_cont].brk = get_next_op_number(CG(active_op_array));
+ CG(context).current_brk_cont = CG(active_op_array)->brk_cont_array[CG(context).current_brk_cont].parent;
}
/* }}} */
-void zend_do_unary_op(zend_uchar op, znode *result, const znode *op1 TSRMLS_DC) /* {{{ */
+void zend_do_free(znode *op1 TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ if (op1->op_type==IS_TMP_VAR) {
+ zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = op;
- opline->result_type = IS_TMP_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- SET_NODE(opline->op1, op1);
- GET_NODE(result, opline->result);
- SET_UNUSED(opline->op2);
+ opline->opcode = ZEND_FREE;
+ SET_NODE(opline->op1, op1);
+ SET_UNUSED(opline->op2);
+ } else if (op1->op_type==IS_VAR) {
+ zend_op *opline = &CG(active_op_array)->opcodes[CG(active_op_array)->last-1];
+
+ while (opline->opcode == ZEND_END_SILENCE || opline->opcode == ZEND_EXT_FCALL_END || opline->opcode == ZEND_OP_DATA) {
+ opline--;
+ }
+ if (opline->result_type == IS_VAR
+ && opline->result.var == op1->u.op.var) {
+ if (opline->opcode == ZEND_FETCH_R ||
+ opline->opcode == ZEND_FETCH_DIM_R ||
+ opline->opcode == ZEND_FETCH_OBJ_R) {
+ /* It's very rare and useless case. It's better to use
+ additional FREE opcode and simplify the FETCH handlers
+ their selves */
+ opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ opline->opcode = ZEND_FREE;
+ SET_NODE(opline->op1, op1);
+ SET_UNUSED(opline->op2);
+ } else {
+ opline->result_type |= EXT_TYPE_UNUSED;
+ }
+ } else {
+ while (opline>CG(active_op_array)->opcodes) {
+ if (opline->opcode == ZEND_FETCH_LIST &&
+ opline->op1_type == IS_VAR &&
+ opline->op1.var == op1->u.op.var) {
+ opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+
+ opline->opcode = ZEND_FREE;
+ SET_NODE(opline->op1, op1);
+ SET_UNUSED(opline->op2);
+ return;
+ }
+ if (opline->result_type==IS_VAR
+ && opline->result.var == op1->u.op.var) {
+ if (opline->opcode == ZEND_NEW) {
+ opline->result_type |= EXT_TYPE_UNUSED;
+ opline = &CG(active_op_array)->opcodes[CG(active_op_array)->last-1];
+ while (opline->opcode != ZEND_DO_FCALL || opline->op1.num != ZEND_CALL_CTOR) {
+ opline--;
+ }
+ opline->op1.num |= ZEND_CALL_CTOR_RESULT_UNUSED;
+ }
+ break;
+ }
+ opline--;
+ }
+ }
+ } else if (op1->op_type == IS_CONST) {
+ /* Destroy value without using GC: When opcache moves arrays into SHM it will
+ * free the zend_array structure, so references to it from outside the op array
+ * become invalid. GC would cause such a reference in the root buffer. */
+ zval_ptr_dtor_nogc(&op1->u.constant);
+ }
}
/* }}} */
-#define MAKE_NOP(opline) { opline->opcode = ZEND_NOP; memset(&opline->result,0,sizeof(opline->result)); memset(&opline->op1,0,sizeof(opline->op1)); memset(&opline->op2,0,sizeof(opline->op2)); opline->result_type=opline->op1_type=opline->op2_type=IS_UNUSED; }
-
-static void zend_do_op_data(zend_op *data_op, const znode *value TSRMLS_DC) /* {{{ */
+uint32_t zend_add_member_modifier(uint32_t flags, uint32_t new_flag) /* {{{ */
{
- data_op->opcode = ZEND_OP_DATA;
- SET_NODE(data_op->op1, value);
- SET_UNUSED(data_op->op2);
+ uint32_t new_flags = flags | new_flag;
+ if ((flags & ZEND_ACC_PPP_MASK) && (new_flag & ZEND_ACC_PPP_MASK)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Multiple access type modifiers are not allowed");
+ }
+ if ((flags & ZEND_ACC_ABSTRACT) && (new_flag & ZEND_ACC_ABSTRACT)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Multiple abstract modifiers are not allowed");
+ }
+ if ((flags & ZEND_ACC_STATIC) && (new_flag & ZEND_ACC_STATIC)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Multiple static modifiers are not allowed");
+ }
+ if ((flags & ZEND_ACC_FINAL) && (new_flag & ZEND_ACC_FINAL)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Multiple final modifiers are not allowed");
+ }
+ if ((new_flags & ZEND_ACC_ABSTRACT) && (new_flags & ZEND_ACC_FINAL)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use the final modifier on an abstract class member");
+ }
+ return new_flags;
}
/* }}} */
-void zend_do_binary_assign_op(zend_uchar op, znode *result, const znode *op1, const znode *op2 TSRMLS_DC) /* {{{ */
+zend_string *zend_concat3(char *str1, size_t str1_len, char *str2, size_t str2_len, char *str3, size_t str3_len) /* {{{ */
{
- int last_op_number = get_next_op_number(CG(active_op_array));
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ size_t len = str1_len + str2_len + str3_len;
+ zend_string *res = zend_string_alloc(len, 0);
- if (last_op_number > 0) {
- zend_op *last_op = &CG(active_op_array)->opcodes[last_op_number-1];
+ memcpy(res->val, str1, str1_len);
+ memcpy(res->val + str1_len, str2, str2_len);
+ memcpy(res->val + str1_len + str2_len, str3, str3_len);
+ res->val[len] = '\0';
- switch (last_op->opcode) {
- case ZEND_FETCH_OBJ_RW:
- last_op->opcode = op;
- last_op->extended_value = ZEND_ASSIGN_OBJ;
+ return res;
+}
- zend_do_op_data(opline, op2 TSRMLS_CC);
- SET_UNUSED(opline->result);
- GET_NODE(result, last_op->result);
- return;
- case ZEND_FETCH_DIM_RW:
- last_op->opcode = op;
- last_op->extended_value = ZEND_ASSIGN_DIM;
-
- zend_do_op_data(opline, op2 TSRMLS_CC);
- opline->op2.var = get_temporary_variable(CG(active_op_array));
- opline->op2_type = IS_VAR;
- SET_UNUSED(opline->result);
- GET_NODE(result,last_op->result);
- return;
- default:
- break;
- }
+zend_string *zend_concat_names(char *name1, size_t name1_len, char *name2, size_t name2_len) {
+ return zend_concat3(name1, name1_len, "\\", 1, name2, name2_len);
+}
+
+zend_string *zend_prefix_with_ns(zend_string *name TSRMLS_DC) {
+ if (CG(current_namespace)) {
+ zend_string *ns = CG(current_namespace);
+ return zend_concat_names(ns->val, ns->len, name->val, name->len);
+ } else {
+ return zend_string_copy(name);
}
+}
- opline->opcode = op;
- SET_NODE(opline->op1, op1);
- SET_NODE(opline->op2, op2);
- opline->result_type = IS_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- GET_NODE(result, opline->result);
+void *zend_hash_find_ptr_lc(HashTable *ht, const char *str, size_t len) {
+ void *result;
+ zend_string *lcname;
+ ALLOCA_FLAG(use_heap);
+
+ STR_ALLOCA_ALLOC(lcname, len, use_heap);
+ zend_str_tolower_copy(lcname->val, str, len);
+ result = zend_hash_find_ptr(ht, lcname);
+ STR_ALLOCA_FREE(lcname, use_heap);
+
+ return result;
}
-/* }}} */
-void fetch_simple_variable_ex(znode *result, znode *varname, int bp, zend_uchar op TSRMLS_DC) /* {{{ */
-{
- zend_op opline;
- zend_op *opline_ptr;
- zend_llist *fetch_list_ptr;
+zend_string *zend_resolve_non_class_name(
+ zend_string *name, uint32_t type, zend_bool *is_fully_qualified,
+ zend_bool case_sensitive, HashTable *current_import_sub TSRMLS_DC
+) {
+ char *compound;
+ *is_fully_qualified = 0;
- if (varname->op_type == IS_CONST) {
- ulong hash;
+ if (name->val[0] == '\\') {
+ /* Remove \ prefix (only relevant if this is a string rather than a label) */
+ return zend_string_init(name->val + 1, name->len - 1, 0);
+ }
- if (Z_TYPE(varname->u.constant) != IS_STRING) {
- convert_to_string(&varname->u.constant);
+ if (type == ZEND_NAME_FQ) {
+ *is_fully_qualified = 1;
+ return zend_string_copy(name);
+ }
+
+ if (type == ZEND_NAME_RELATIVE) {
+ *is_fully_qualified = 1;
+ return zend_prefix_with_ns(name TSRMLS_CC);
+ }
+
+ if (current_import_sub) {
+ /* If an unqualified name is a function/const alias, replace it. */
+ zend_string *import_name;
+ if (case_sensitive) {
+ import_name = zend_hash_find_ptr(current_import_sub, name);
+ } else {
+ import_name = zend_hash_find_ptr_lc(current_import_sub, name->val, name->len);
}
- hash = str_hash(Z_STRVAL(varname->u.constant), Z_STRLEN(varname->u.constant));
- if (!zend_is_auto_global_quick(Z_STRVAL(varname->u.constant), Z_STRLEN(varname->u.constant), hash TSRMLS_CC) &&
- !(Z_STRLEN(varname->u.constant) == (sizeof("this")-1) &&
- !memcmp(Z_STRVAL(varname->u.constant), "this", sizeof("this"))) &&
- (CG(active_op_array)->last == 0 ||
- CG(active_op_array)->opcodes[CG(active_op_array)->last-1].opcode != ZEND_BEGIN_SILENCE)) {
- result->op_type = IS_CV;
- result->u.op.var = lookup_cv(CG(active_op_array), Z_STRVAL(varname->u.constant), Z_STRLEN(varname->u.constant), hash TSRMLS_CC);
- Z_STRVAL(varname->u.constant) = (char*)CG(active_op_array)->vars[result->u.op.var].name;
- result->EA = 0;
- return;
+ if (import_name) {
+ *is_fully_qualified = 1;
+ return zend_string_copy(import_name);
}
}
- if (bp) {
- opline_ptr = &opline;
- init_op(opline_ptr TSRMLS_CC);
- } else {
- opline_ptr = get_next_op(CG(active_op_array) TSRMLS_CC);
+ compound = memchr(name->val, '\\', name->len);
+ if (compound) {
+ *is_fully_qualified = 1;
}
- opline_ptr->opcode = op;
- opline_ptr->result_type = IS_VAR;
- opline_ptr->result.var = get_temporary_variable(CG(active_op_array));
- SET_NODE(opline_ptr->op1, varname);
- GET_NODE(result, opline_ptr->result);
- SET_UNUSED(opline_ptr->op2);
- opline_ptr->extended_value = ZEND_FETCH_LOCAL;
+ if (compound && CG(current_import)) {
+ /* If the first part of a qualified name is an alias, substitute it. */
+ size_t len = compound - name->val;
+ zend_string *import_name = zend_hash_find_ptr_lc(CG(current_import), name->val, len);
- if (varname->op_type == IS_CONST) {
- CALCULATE_LITERAL_HASH(opline_ptr->op1.constant);
- if (zend_is_auto_global_quick(Z_STRVAL(varname->u.constant), Z_STRLEN(varname->u.constant), Z_HASH_P(&CONSTANT(opline_ptr->op1.constant)) TSRMLS_CC)) {
- opline_ptr->extended_value = ZEND_FETCH_GLOBAL;
+ if (import_name) {
+ return zend_concat_names(
+ import_name->val, import_name->len, name->val + len + 1, name->len - len - 1);
}
}
- if (bp) {
- zend_stack_top(&CG(bp_stack), (void **) &fetch_list_ptr);
- zend_llist_add_element(fetch_list_ptr, opline_ptr);
- }
+ return zend_prefix_with_ns(name TSRMLS_CC);
}
/* }}} */
-void fetch_simple_variable(znode *result, znode *varname, int bp TSRMLS_DC) /* {{{ */
+zend_string *zend_resolve_function_name(zend_string *name, uint32_t type, zend_bool *is_fully_qualified TSRMLS_DC) /* {{{ */
{
- /* the default mode must be Write, since fetch_simple_variable() is used to define function arguments */
- fetch_simple_variable_ex(result, varname, bp, ZEND_FETCH_W TSRMLS_CC);
+ return zend_resolve_non_class_name(
+ name, type, is_fully_qualified, 0, CG(current_import_function) TSRMLS_CC);
}
/* }}} */
-void zend_do_fetch_static_member(znode *result, znode *class_name TSRMLS_DC) /* {{{ */
+zend_string *zend_resolve_const_name(zend_string *name, uint32_t type, zend_bool *is_fully_qualified TSRMLS_DC) /* {{{ */ {
+ return zend_resolve_non_class_name(
+ name, type, is_fully_qualified, 1, CG(current_import_const) TSRMLS_CC);
+}
+/* }}} */
+
+zend_string *zend_resolve_class_name(zend_string *name, uint32_t type TSRMLS_DC) /* {{{ */
{
- znode class_node;
- zend_llist *fetch_list_ptr;
- zend_llist_element *le;
- zend_op *opline_ptr;
- zend_op opline;
+ char *compound;
- if (class_name->op_type == IS_CONST &&
- ZEND_FETCH_CLASS_DEFAULT == zend_get_class_fetch_type(Z_STRVAL(class_name->u.constant), Z_STRLEN(class_name->u.constant))) {
- zend_resolve_class_name(class_name TSRMLS_CC);
- class_node = *class_name;
- } else {
- zend_do_fetch_class(&class_node, class_name TSRMLS_CC);
- }
- zend_stack_top(&CG(bp_stack), (void **) &fetch_list_ptr);
- if (result->op_type == IS_CV) {
- init_op(&opline TSRMLS_CC);
-
- opline.opcode = ZEND_FETCH_W;
- opline.result_type = IS_VAR;
- opline.result.var = get_temporary_variable(CG(active_op_array));
- opline.op1_type = IS_CONST;
- LITERAL_STRINGL(opline.op1, estrdup(CG(active_op_array)->vars[result->u.op.var].name), CG(active_op_array)->vars[result->u.op.var].name_len, 0);
- CALCULATE_LITERAL_HASH(opline.op1.constant);
- GET_POLYMORPHIC_CACHE_SLOT(opline.op1.constant);
- if (class_node.op_type == IS_CONST) {
- opline.op2_type = IS_CONST;
- opline.op2.constant =
- zend_add_class_name_literal(CG(active_op_array), &class_node.u.constant TSRMLS_CC);
+ if (type == ZEND_NAME_RELATIVE) {
+ return zend_prefix_with_ns(name TSRMLS_CC);
+ }
+
+ if (type == ZEND_NAME_FQ || name->val[0] == '\\') {
+ /* Remove \ prefix (only relevant if this is a string rather than a label) */
+ if (name->val[0] == '\\') {
+ name = zend_string_init(name->val + 1, name->len - 1, 0);
} else {
- SET_NODE(opline.op2, &class_node);
+ zend_string_addref(name);
+ }
+ /* Ensure that \self, \parent and \static are not used */
+ if (ZEND_FETCH_CLASS_DEFAULT != zend_get_class_fetch_type(name)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "'\\%s' is an invalid class name", name->val);
}
- GET_NODE(result,opline.result);
- opline.extended_value |= ZEND_FETCH_STATIC_MEMBER;
- opline_ptr = &opline;
+ return name;
+ }
- zend_llist_add_element(fetch_list_ptr, &opline);
- } else {
- le = fetch_list_ptr->head;
-
- opline_ptr = (zend_op *)le->data;
- if (opline_ptr->opcode != ZEND_FETCH_W && opline_ptr->op1_type == IS_CV) {
- init_op(&opline TSRMLS_CC);
- opline.opcode = ZEND_FETCH_W;
- opline.result_type = IS_VAR;
- opline.result.var = get_temporary_variable(CG(active_op_array));
- opline.op1_type = IS_CONST;
- LITERAL_STRINGL(opline.op1, estrdup(CG(active_op_array)->vars[opline_ptr->op1.var].name), CG(active_op_array)->vars[opline_ptr->op1.var].name_len, 0);
- CALCULATE_LITERAL_HASH(opline.op1.constant);
- GET_POLYMORPHIC_CACHE_SLOT(opline.op1.constant);
- if (class_node.op_type == IS_CONST) {
- opline.op2_type = IS_CONST;
- opline.op2.constant =
- zend_add_class_name_literal(CG(active_op_array), &class_node.u.constant TSRMLS_CC);
- } else {
- SET_NODE(opline.op2, &class_node);
+ if (CG(current_import)) {
+ compound = memchr(name->val, '\\', name->len);
+ if (compound) {
+ /* If the first part of a qualified name is an alias, substitute it. */
+ size_t len = compound - name->val;
+ zend_string *import_name = zend_hash_find_ptr_lc(CG(current_import), name->val, len);
+
+ if (import_name) {
+ return zend_concat_names(
+ import_name->val, import_name->len, name->val + len + 1, name->len - len - 1);
}
- opline.extended_value |= ZEND_FETCH_STATIC_MEMBER;
- COPY_NODE(opline_ptr->op1, opline.result);
-
- zend_llist_prepend_element(fetch_list_ptr, &opline);
} else {
- if (opline_ptr->op1_type == IS_CONST) {
- GET_POLYMORPHIC_CACHE_SLOT(opline_ptr->op1.constant);
- }
- if (class_node.op_type == IS_CONST) {
- opline_ptr->op2_type = IS_CONST;
- opline_ptr->op2.constant =
- zend_add_class_name_literal(CG(active_op_array), &class_node.u.constant TSRMLS_CC);
- } else {
- SET_NODE(opline_ptr->op2, &class_node);
+ /* If an unqualified name is an alias, replace it. */
+ zend_string *import_name
+ = zend_hash_find_ptr_lc(CG(current_import), name->val, name->len);
+
+ if (import_name) {
+ return zend_string_copy(import_name);
}
- opline_ptr->extended_value |= ZEND_FETCH_STATIC_MEMBER;
}
}
+
+ /* If not fully qualified and not an alias, prepend the current namespace */
+ return zend_prefix_with_ns(name TSRMLS_CC);
+}
+/* }}} */
+
+zend_string *zend_resolve_class_name_ast(zend_ast *ast TSRMLS_DC) /* {{{ */
+{
+ zend_string *name = zend_ast_get_str(ast);
+ return zend_resolve_class_name(name, ast->attr TSRMLS_CC);
}
/* }}} */
-void fetch_array_begin(znode *result, znode *varname, znode *first_dim TSRMLS_DC) /* {{{ */
+static void ptr_dtor(zval *zv) /* {{{ */
{
- fetch_simple_variable(result, varname, 1 TSRMLS_CC);
+ efree(Z_PTR_P(zv));
+}
+/* }}} */
- fetch_array_dim(result, result, first_dim TSRMLS_CC);
+static void str_dtor(zval *zv) /* {{{ */ {
+ zend_string_release(Z_STR_P(zv));
}
/* }}} */
-void fetch_array_dim(znode *result, const znode *parent, const znode *dim TSRMLS_DC) /* {{{ */
+void zend_resolve_goto_label(zend_op_array *op_array, zend_op *opline, int pass2 TSRMLS_DC) /* {{{ */
{
- zend_op opline;
- zend_llist *fetch_list_ptr;
+ zend_label *dest;
+ zend_long current, distance;
+ zval *label;
- zend_stack_top(&CG(bp_stack), (void **) &fetch_list_ptr);
+ if (pass2) {
+ label = opline->op2.zv;
+ } else {
+ label = &CONSTANT_EX(op_array, opline->op2.constant);
+ }
+ if (CG(context).labels == NULL ||
+ (dest = zend_hash_find_ptr(CG(context).labels, Z_STR_P(label))) == NULL) {
- if (zend_is_function_or_method_call(parent)) {
- init_op(&opline TSRMLS_CC);
- opline.opcode = ZEND_SEPARATE;
- SET_NODE(opline.op1, parent);
- SET_UNUSED(opline.op2);
- opline.result_type = IS_VAR;
- opline.result.var = opline.op1.var;
- zend_llist_add_element(fetch_list_ptr, &opline);
+ if (pass2) {
+ CG(in_compilation) = 1;
+ CG(active_op_array) = op_array;
+ CG(zend_lineno) = opline->lineno;
+ zend_error_noreturn(E_COMPILE_ERROR, "'goto' to undefined label '%s'", Z_STRVAL_P(label));
+ } else {
+ /* Label is not defined. Delay to pass 2. */
+ return;
+ }
}
- init_op(&opline TSRMLS_CC);
- opline.opcode = ZEND_FETCH_DIM_W; /* the backpatching routine assumes W */
- opline.result_type = IS_VAR;
- opline.result.var = get_temporary_variable(CG(active_op_array));
- SET_NODE(opline.op1, parent);
- SET_NODE(opline.op2, dim);
- if (opline.op2_type == IS_CONST && Z_TYPE(CONSTANT(opline.op2.constant)) == IS_STRING) {
- ulong index;
- int numeric = 0;
+ opline->op1.opline_num = dest->opline_num;
+ zval_dtor(label);
+ ZVAL_NULL(label);
- ZEND_HANDLE_NUMERIC_EX(Z_STRVAL(CONSTANT(opline.op2.constant)), Z_STRLEN(CONSTANT(opline.op2.constant))+1, index, numeric = 1);
- if (numeric) {
- zval_dtor(&CONSTANT(opline.op2.constant));
- ZVAL_LONG(&CONSTANT(opline.op2.constant), index);
- } else {
- CALCULATE_LITERAL_HASH(opline.op2.constant);
+ /* Check that we are not moving into loop or switch */
+ current = opline->extended_value;
+ for (distance = 0; current != dest->brk_cont; distance++) {
+ if (current == -1) {
+ if (pass2) {
+ CG(in_compilation) = 1;
+ CG(active_op_array) = op_array;
+ CG(zend_lineno) = opline->lineno;
+ }
+ zend_error_noreturn(E_COMPILE_ERROR, "'goto' into loop or switch statement is disallowed");
}
+ current = op_array->brk_cont_array[current].parent;
}
- GET_NODE(result, opline.result);
+ if (distance == 0) {
+ /* Nothing to break out of, optimize to ZEND_JMP */
+ opline->opcode = ZEND_JMP;
+ opline->extended_value = 0;
+ SET_UNUSED(opline->op2);
+ } else {
+ /* Set real break distance */
+ ZVAL_LONG(label, distance);
+ }
+}
+/* }}} */
- zend_llist_add_element(fetch_list_ptr, &opline);
+void zend_release_labels(int temporary TSRMLS_DC) /* {{{ */
+{
+ if (CG(context).labels) {
+ zend_hash_destroy(CG(context).labels);
+ FREE_HASHTABLE(CG(context).labels);
+ CG(context).labels = NULL;
+ }
+ if (!temporary && !zend_stack_is_empty(&CG(context_stack))) {
+ zend_compiler_context *ctx = zend_stack_top(&CG(context_stack));
+ CG(context) = *ctx;
+ zend_stack_del_top(&CG(context_stack));
+ }
}
/* }}} */
-void fetch_string_offset(znode *result, const znode *parent, const znode *offset TSRMLS_DC) /* {{{ */
+static zend_bool zend_is_call(zend_ast *ast);
+
+static int generate_free_loop_var(znode *var TSRMLS_DC) /* {{{ */
{
- fetch_array_dim(result, parent, offset TSRMLS_CC);
+ switch (var->op_type) {
+ case IS_UNUSED:
+ /* Stack separator on function boundary, stop applying */
+ return 1;
+ case IS_VAR:
+ case IS_TMP_VAR:
+ {
+ zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+
+ opline->opcode = ZEND_FREE;
+ SET_NODE(opline->op1, var);
+ SET_UNUSED(opline->op2);
+ }
+ }
+
+ return 0;
}
/* }}} */
-void zend_do_print(znode *result, const znode *arg TSRMLS_DC) /* {{{ */
+static uint32_t zend_add_try_element(uint32_t try_op TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_op_array *op_array = CG(active_op_array);
+ uint32_t try_catch_offset = op_array->last_try_catch++;
+ zend_try_catch_element *elem;
- opline->result_type = IS_TMP_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- opline->opcode = ZEND_PRINT;
- SET_NODE(opline->op1, arg);
- SET_UNUSED(opline->op2);
- GET_NODE(result, opline->result);
+ op_array->try_catch_array = safe_erealloc(
+ op_array->try_catch_array, sizeof(zend_try_catch_element), op_array->last_try_catch, 0);
+
+ elem = &op_array->try_catch_array[try_catch_offset];
+ elem->try_op = try_op;
+ elem->catch_op = 0;
+ elem->finally_op = 0;
+ elem->finally_end = 0;
+
+ return try_catch_offset;
}
/* }}} */
-void zend_do_echo(const znode *arg TSRMLS_DC) /* {{{ */
+ZEND_API void function_add_ref(zend_function *function) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ if (function->type == ZEND_USER_FUNCTION) {
+ zend_op_array *op_array = &function->op_array;
- opline->opcode = ZEND_ECHO;
- SET_NODE(opline->op1, arg);
- SET_UNUSED(opline->op2);
+ (*op_array->refcount)++;
+ if (op_array->static_variables) {
+ HashTable *static_variables = op_array->static_variables;
+
+ ALLOC_HASHTABLE(op_array->static_variables);
+ zend_array_dup(op_array->static_variables, static_variables);
+ }
+ op_array->run_time_cache = NULL;
+ } else if (function->type == ZEND_INTERNAL_FUNCTION) {
+ if (function->common.function_name) {
+ zend_string_addref(function->common.function_name);
+ }
+ }
}
/* }}} */
-void zend_do_abstract_method(const znode *function_name, znode *modifiers, const znode *body TSRMLS_DC) /* {{{ */
+ZEND_API int do_bind_function(const zend_op_array *op_array, const zend_op *opline, HashTable *function_table, zend_bool compile_time TSRMLS_DC) /* {{{ */
{
- char *method_type;
+ zend_function *function, *new_function;
+ zval *op1, *op2;
- if (CG(active_class_entry)->ce_flags & ZEND_ACC_INTERFACE) {
- Z_LVAL(modifiers->u.constant) |= ZEND_ACC_ABSTRACT;
- method_type = "Interface";
+ if (compile_time) {
+ op1 = &CONSTANT_EX(op_array, opline->op1.constant);
+ op2 = &CONSTANT_EX(op_array, opline->op2.constant);
} else {
- method_type = "Abstract";
+ op1 = opline->op1.zv;
+ op2 = opline->op2.zv;
}
- if (Z_LVAL(modifiers->u.constant) & ZEND_ACC_ABSTRACT) {
- if(Z_LVAL(modifiers->u.constant) & ZEND_ACC_PRIVATE) {
- zend_error(E_COMPILE_ERROR, "%s function %s::%s() cannot be declared private", method_type, CG(active_class_entry)->name, Z_STRVAL(function_name->u.constant));
- }
- if (Z_LVAL(body->u.constant) == ZEND_ACC_ABSTRACT) {
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ function = zend_hash_find_ptr(function_table, Z_STR_P(op1));
+ new_function = zend_arena_alloc(&CG(arena), sizeof(zend_op_array));
+ memcpy(new_function, function, sizeof(zend_op_array));
+ if (zend_hash_add_ptr(function_table, Z_STR_P(op2), new_function) == NULL) {
+ int error_level = compile_time ? E_COMPILE_ERROR : E_ERROR;
+ zend_function *old_function;
- opline->opcode = ZEND_RAISE_ABSTRACT_ERROR;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
+ efree_size(new_function, sizeof(zend_op_array));
+ if ((old_function = zend_hash_find_ptr(function_table, Z_STR_P(op2))) != NULL
+ && old_function->type == ZEND_USER_FUNCTION
+ && old_function->op_array.last > 0) {
+ zend_error(error_level, "Cannot redeclare %s() (previously declared in %s:%d)",
+ function->common.function_name->val,
+ old_function->op_array.filename->val,
+ old_function->op_array.opcodes[0].lineno);
} else {
- /* we had code in the function body */
- zend_error(E_COMPILE_ERROR, "%s function %s::%s() cannot contain body", method_type, CG(active_class_entry)->name, Z_STRVAL(function_name->u.constant));
+ zend_error(error_level, "Cannot redeclare %s()", function->common.function_name->val);
}
+ return FAILURE;
} else {
- if (Z_LVAL(body->u.constant) == ZEND_ACC_ABSTRACT) {
- zend_error(E_COMPILE_ERROR, "Non-abstract method %s::%s() must contain body", CG(active_class_entry)->name, Z_STRVAL(function_name->u.constant));
- }
+ (*function->op_array.refcount)++;
+ function->op_array.static_variables = NULL; /* NULL out the unbound function */
+ return SUCCESS;
}
}
/* }}} */
-static zend_bool opline_is_fetch_this(const zend_op *opline TSRMLS_DC) /* {{{ */
+ZEND_API zend_class_entry *do_bind_class(const zend_op_array* op_array, const zend_op *opline, HashTable *class_table, zend_bool compile_time TSRMLS_DC) /* {{{ */
{
- if ((opline->opcode == ZEND_FETCH_W) && (opline->op1_type == IS_CONST)
- && (Z_TYPE(CONSTANT(opline->op1.constant)) == IS_STRING)
- && (Z_HASH_P(&CONSTANT(opline->op1.constant)) == THIS_HASHVAL)
- && (Z_STRLEN(CONSTANT(opline->op1.constant)) == (sizeof("this")-1))
- && !memcmp(Z_STRVAL(CONSTANT(opline->op1.constant)), "this", sizeof("this"))) {
- return 1;
+ zend_class_entry *ce;
+ zval *op1, *op2;
+
+ if (compile_time) {
+ op1 = &CONSTANT_EX(op_array, opline->op1.constant);
+ op2 = &CONSTANT_EX(op_array, opline->op2.constant);
} else {
- return 0;
+ op1 = opline->op1.zv;
+ op2 = opline->op2.zv;
+ }
+ if ((ce = zend_hash_find_ptr(class_table, Z_STR_P(op1))) == NULL) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Internal Zend error - Missing class information for %s", Z_STRVAL_P(op1));
+ return NULL;
+ }
+ ce->refcount++;
+ if (zend_hash_add_ptr(class_table, Z_STR_P(op2), ce) == NULL) {
+ ce->refcount--;
+ if (!compile_time) {
+ /* If we're in compile time, in practice, it's quite possible
+ * that we'll never reach this class declaration at runtime,
+ * so we shut up about it. This allows the if (!defined('FOO')) { return; }
+ * approach to work.
+ */
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot redeclare class %s", ce->name->val);
+ }
+ return NULL;
+ } else {
+ if (!(ce->ce_flags & (ZEND_ACC_INTERFACE|ZEND_ACC_IMPLEMENT_INTERFACES|ZEND_ACC_IMPLEMENT_TRAITS))) {
+ zend_verify_abstract_class(ce TSRMLS_CC);
+ }
+ return ce;
}
}
/* }}} */
-void zend_do_assign(znode *result, znode *variable, znode *value TSRMLS_DC) /* {{{ */
+ZEND_API zend_class_entry *do_bind_inherited_class(const zend_op_array *op_array, const zend_op *opline, HashTable *class_table, zend_class_entry *parent_ce, zend_bool compile_time TSRMLS_DC) /* {{{ */
{
- int last_op_number;
- zend_op *opline;
-
- if (value->op_type == IS_CV) {
- zend_llist *fetch_list_ptr;
+ zend_class_entry *ce;
+ zval *op1, *op2;
- zend_stack_top(&CG(bp_stack), (void **) &fetch_list_ptr);
- if (fetch_list_ptr && fetch_list_ptr->head) {
- opline = (zend_op *)fetch_list_ptr->head->data;
+ if (compile_time) {
+ op1 = &CONSTANT_EX(op_array, opline->op1.constant);
+ op2 = &CONSTANT_EX(op_array, opline->op2.constant);
+ } else {
+ op1 = opline->op1.zv;
+ op2 = opline->op2.zv;
+ }
- if (opline->opcode == ZEND_FETCH_DIM_W &&
- opline->op1_type == IS_CV &&
- opline->op1.var == value->u.op.var) {
+ ce = zend_hash_find_ptr(class_table, Z_STR_P(op1));
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_FETCH_R;
- opline->result_type = IS_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- opline->op1_type = IS_CONST;
- LITERAL_STRINGL(opline->op1,
- CG(active_op_array)->vars[value->u.op.var].name,
- CG(active_op_array)->vars[value->u.op.var].name_len, 1);
- CALCULATE_LITERAL_HASH(opline->op1.constant);
- SET_UNUSED(opline->op2);
- opline->extended_value = ZEND_FETCH_LOCAL;
- GET_NODE(value, opline->result);
- }
+ if (!ce) {
+ if (!compile_time) {
+ /* If we're in compile time, in practice, it's quite possible
+ * that we'll never reach this class declaration at runtime,
+ * so we shut up about it. This allows the if (!defined('FOO')) { return; }
+ * approach to work.
+ */
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot redeclare class %s", Z_STRVAL_P(op2));
}
+ return NULL;
}
- zend_do_end_variable_parse(variable, BP_VAR_W, 0 TSRMLS_CC);
+ if (parent_ce->ce_flags & ZEND_ACC_INTERFACE) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Class %s cannot extend from interface %s", ce->name->val, parent_ce->name->val);
+ } else if ((parent_ce->ce_flags & ZEND_ACC_TRAIT) == ZEND_ACC_TRAIT) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Class %s cannot extend from trait %s", ce->name->val, parent_ce->name->val);
+ }
- last_op_number = get_next_op_number(CG(active_op_array));
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_do_inheritance(ce, parent_ce TSRMLS_CC);
+
+ ce->refcount++;
+
+ /* Register the derived class */
+ if (zend_hash_add_ptr(class_table, Z_STR_P(op2), ce) == NULL) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot redeclare class %s", ce->name->val);
+ }
+ return ce;
+}
+/* }}} */
+
+void zend_do_early_binding(TSRMLS_D) /* {{{ */
+{
+ zend_op *opline = &CG(active_op_array)->opcodes[CG(active_op_array)->last-1];
+ HashTable *table;
+
+ while (opline->opcode == ZEND_TICKS && opline > CG(active_op_array)->opcodes) {
+ opline--;
+ }
+
+ switch (opline->opcode) {
+ case ZEND_DECLARE_FUNCTION:
+ if (do_bind_function(CG(active_op_array), opline, CG(function_table), 1 TSRMLS_CC) == FAILURE) {
+ return;
+ }
+ table = CG(function_table);
+ break;
+ case ZEND_DECLARE_CLASS:
+ if (do_bind_class(CG(active_op_array), opline, CG(class_table), 1 TSRMLS_CC) == NULL) {
+ return;
+ }
+ table = CG(class_table);
+ break;
+ case ZEND_DECLARE_INHERITED_CLASS:
+ {
+ zend_op *fetch_class_opline = opline-1;
+ zval *parent_name;
+ zend_class_entry *ce;
- if (variable->op_type == IS_CV) {
- if (variable->u.op.var == CG(active_op_array)->this_var) {
- zend_error(E_COMPILE_ERROR, "Cannot re-assign $this");
- }
- } else if (variable->op_type == IS_VAR) {
- int n = 0;
-
- while (last_op_number - n > 0) {
- zend_op *last_op;
-
- last_op = &CG(active_op_array)->opcodes[last_op_number-n-1];
-
- if (last_op->result_type == IS_VAR &&
- last_op->result.var == variable->u.op.var) {
- if (last_op->opcode == ZEND_FETCH_OBJ_W) {
- if (n > 0) {
- int opline_no = (opline-CG(active_op_array)->opcodes)/sizeof(*opline);
- *opline = *last_op;
- MAKE_NOP(last_op);
- /* last_op = opline; */
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- /* get_next_op can realloc, we need to move last_op */
- last_op = &CG(active_op_array)->opcodes[opline_no];
+ parent_name = &CONSTANT(fetch_class_opline->op2.constant);
+ if (((ce = zend_lookup_class(Z_STR_P(parent_name) TSRMLS_CC)) == NULL) ||
+ ((CG(compiler_options) & ZEND_COMPILE_IGNORE_INTERNAL_CLASSES) &&
+ (ce->type == ZEND_INTERNAL_CLASS))) {
+ if (CG(compiler_options) & ZEND_COMPILE_DELAYED_BINDING) {
+ uint32_t *opline_num = &CG(active_op_array)->early_binding;
+
+ while (*opline_num != -1) {
+ opline_num = &CG(active_op_array)->opcodes[*opline_num].result.opline_num;
+ }
+ *opline_num = opline - CG(active_op_array)->opcodes;
+ opline->opcode = ZEND_DECLARE_INHERITED_CLASS_DELAYED;
+ opline->result_type = IS_UNUSED;
+ opline->result.opline_num = -1;
}
- last_op->opcode = ZEND_ASSIGN_OBJ;
- zend_do_op_data(opline, value TSRMLS_CC);
- SET_UNUSED(opline->result);
- GET_NODE(result, last_op->result);
return;
- } else if (last_op->opcode == ZEND_FETCH_DIM_W) {
- if (n > 0) {
- int opline_no = (opline-CG(active_op_array)->opcodes)/sizeof(*opline);
- *opline = *last_op;
- MAKE_NOP(last_op);
- /* last_op = opline; */
- /* TBFixed: this can realloc opcodes, leaving last_op pointing wrong */
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- /* get_next_op can realloc, we need to move last_op */
- last_op = &CG(active_op_array)->opcodes[opline_no];
- }
- last_op->opcode = ZEND_ASSIGN_DIM;
- zend_do_op_data(opline, value TSRMLS_CC);
- opline->op2.var = get_temporary_variable(CG(active_op_array));
- opline->op2_type = IS_VAR;
- SET_UNUSED(opline->result);
- GET_NODE(result, last_op->result);
+ }
+ if (do_bind_inherited_class(CG(active_op_array), opline, CG(class_table), ce, 1 TSRMLS_CC) == NULL) {
return;
- } else if (opline_is_fetch_this(last_op TSRMLS_CC)) {
- zend_error(E_COMPILE_ERROR, "Cannot re-assign $this");
- } else {
- break;
}
+ /* clear unnecessary ZEND_FETCH_CLASS opcode */
+ zend_del_literal(CG(active_op_array), fetch_class_opline->op2.constant);
+ MAKE_NOP(fetch_class_opline);
+
+ table = CG(class_table);
+ break;
}
- n++;
- }
+ case ZEND_VERIFY_ABSTRACT_CLASS:
+ case ZEND_ADD_INTERFACE:
+ case ZEND_ADD_TRAIT:
+ case ZEND_BIND_TRAITS:
+ /* We currently don't early-bind classes that implement interfaces */
+ /* Classes with traits are handled exactly the same, no early-bind here */
+ return;
+ default:
+ zend_error_noreturn(E_COMPILE_ERROR, "Invalid binding type");
+ return;
}
- opline->opcode = ZEND_ASSIGN;
- SET_NODE(opline->op1, variable);
- SET_NODE(opline->op2, value);
- opline->result_type = IS_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- GET_NODE(result, opline->result);
+ zend_hash_del(table, Z_STR(CONSTANT(opline->op1.constant)));
+ zend_del_literal(CG(active_op_array), opline->op1.constant);
+ zend_del_literal(CG(active_op_array), opline->op2.constant);
+ MAKE_NOP(opline);
}
/* }}} */
-void zend_do_assign_ref(znode *result, const znode *lvar, const znode *rvar TSRMLS_DC) /* {{{ */
+ZEND_API void zend_do_delayed_early_binding(const zend_op_array *op_array TSRMLS_DC) /* {{{ */
{
- zend_op *opline;
-
- if (lvar->op_type == IS_CV) {
- if (lvar->u.op.var == CG(active_op_array)->this_var) {
- zend_error(E_COMPILE_ERROR, "Cannot re-assign $this");
- }
- } else if (lvar->op_type == IS_VAR) {
- int last_op_number = get_next_op_number(CG(active_op_array));
+ if (op_array->early_binding != -1) {
+ zend_bool orig_in_compilation = CG(in_compilation);
+ uint32_t opline_num = op_array->early_binding;
+ zend_class_entry *ce;
- if (last_op_number > 0) {
- opline = &CG(active_op_array)->opcodes[last_op_number-1];
- if (opline_is_fetch_this(opline TSRMLS_CC)) {
- zend_error(E_COMPILE_ERROR, "Cannot re-assign $this");
+ CG(in_compilation) = 1;
+ while (opline_num != -1) {
+ if ((ce = zend_lookup_class(Z_STR_P(op_array->opcodes[opline_num-1].op2.zv) TSRMLS_CC)) != NULL) {
+ do_bind_inherited_class(op_array, &op_array->opcodes[opline_num], EG(class_table), ce, 0 TSRMLS_CC);
}
- }
- }
-
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_ASSIGN_REF;
- if (zend_is_function_or_method_call(rvar)) {
- opline->extended_value = ZEND_RETURNS_FUNCTION;
- } else if (rvar->EA & ZEND_PARSED_NEW) {
- opline->extended_value = ZEND_RETURNS_NEW;
- } else {
- opline->extended_value = 0;
- }
- if (result) {
- opline->result_type = IS_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- GET_NODE(result, opline->result);
- } else {
- opline->result_type = IS_UNUSED | EXT_TYPE_UNUSED;
+ opline_num = op_array->opcodes[opline_num].result.opline_num;
+ }
+ CG(in_compilation) = orig_in_compilation;
}
- SET_NODE(opline->op1, lvar);
- SET_NODE(opline->op2, rvar);
}
/* }}} */
-static inline void do_begin_loop(TSRMLS_D) /* {{{ */
+ZEND_API zend_string *zend_mangle_property_name(const char *src1, size_t src1_length, const char *src2, size_t src2_length, int internal) /* {{{ */
{
- zend_brk_cont_element *brk_cont_element;
- int parent;
+ size_t prop_name_length = 1 + src1_length + 1 + src2_length;
+ zend_string *prop_name = zend_string_alloc(prop_name_length, internal);
- parent = CG(context).current_brk_cont;
- CG(context).current_brk_cont = CG(active_op_array)->last_brk_cont;
- brk_cont_element = get_next_brk_cont_element(CG(active_op_array));
- brk_cont_element->start = get_next_op_number(CG(active_op_array));
- brk_cont_element->parent = parent;
+ prop_name->val[0] = '\0';
+ memcpy(prop_name->val + 1, src1, src1_length+1);
+ memcpy(prop_name->val + 1 + src1_length + 1, src2, src2_length+1);
+ return prop_name;
}
/* }}} */
-static inline void do_end_loop(int cont_addr, int has_loop_var TSRMLS_DC) /* {{{ */
+static int zend_strnlen(const char* s, size_t maxlen) /* {{{ */
{
- if (!has_loop_var) {
- /* The start fileld is used to free temporary variables in case of exceptions.
- * We won't try to free something of we don't have loop variable.
- */
- CG(active_op_array)->brk_cont_array[CG(context).current_brk_cont].start = -1;
- }
- CG(active_op_array)->brk_cont_array[CG(context).current_brk_cont].cont = cont_addr;
- CG(active_op_array)->brk_cont_array[CG(context).current_brk_cont].brk = get_next_op_number(CG(active_op_array));
- CG(context).current_brk_cont = CG(active_op_array)->brk_cont_array[CG(context).current_brk_cont].parent;
+ size_t len = 0;
+ while (*s++ && maxlen--) len++;
+ return len;
}
/* }}} */
-void zend_do_while_cond(const znode *expr, znode *close_bracket_token TSRMLS_DC) /* {{{ */
+ZEND_API int zend_unmangle_property_name_ex(const zend_string *name, const char **class_name, const char **prop_name, size_t *prop_len) /* {{{ */
{
- int while_cond_op_number = get_next_op_number(CG(active_op_array));
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ size_t class_name_len;
- opline->opcode = ZEND_JMPZ;
- SET_NODE(opline->op1, expr);
- close_bracket_token->u.op.opline_num = while_cond_op_number;
- SET_UNUSED(opline->op2);
+ *class_name = NULL;
- do_begin_loop(TSRMLS_C);
- INC_BPC(CG(active_op_array));
+ if (name->val[0] != '\0') {
+ *prop_name = name->val;
+ if (prop_len) {
+ *prop_len = name->len;
+ }
+ return SUCCESS;
+ }
+ if (name->len < 3 || name->val[1] == '\0') {
+ zend_error(E_NOTICE, "Illegal member variable name");
+ *prop_name = name->val;
+ if (prop_len) {
+ *prop_len = name->len;
+ }
+ return FAILURE;
+ }
+
+ class_name_len = zend_strnlen(name->val + 1, name->len - 2);
+ if (class_name_len >= name->len - 2 || name->val[class_name_len + 1] != '\0') {
+ zend_error(E_NOTICE, "Corrupt member variable name");
+ *prop_name = name->val;
+ if (prop_len) {
+ *prop_len = name->len;
+ }
+ return FAILURE;
+ }
+
+ *class_name = name->val + 1;
+ *prop_name = name->val + class_name_len + 2;
+ if (prop_len) {
+ *prop_len = name->len - class_name_len - 2;
+ }
+ return SUCCESS;
}
/* }}} */
-void zend_do_while_end(const znode *while_token, const znode *close_bracket_token TSRMLS_DC) /* {{{ */
+static zend_constant *zend_lookup_reserved_const(const char *name, size_t len TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_constant *c = zend_hash_find_ptr_lc(EG(zend_constants), name, len);
+ if (c && !(c->flags & CONST_CS) && (c->flags & CONST_CT_SUBST)) {
+ return c;
+ }
+ return NULL;
+}
+/* }}} */
- /* add unconditional jump */
- opline->opcode = ZEND_JMP;
- opline->op1.opline_num = while_token->u.op.opline_num;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
+static zend_bool zend_try_ct_eval_const(zval *zv, zend_string *name, zend_bool is_fully_qualified TSRMLS_DC) /* {{{ */
+{
+ zend_constant *c;
- /* update while's conditional jmp */
- CG(active_op_array)->opcodes[close_bracket_token->u.op.opline_num].op2.opline_num = get_next_op_number(CG(active_op_array));
+ if (!(CG(compiler_options) & ZEND_COMPILE_NO_CONSTANT_SUBSTITUTION)) {
+ /* Substitute case-sensitive (or lowercase) persistent constants */
+ c = zend_hash_find_ptr(EG(zend_constants), name);
+ if (c && (c->flags & CONST_PERSISTENT)) {
+ ZVAL_DUP(zv, &c->value);
+ return 1;
+ }
+ }
- do_end_loop(while_token->u.op.opline_num, 0 TSRMLS_CC);
+ {
+ /* Substitute true, false and null (including unqualified usage in namespaces) */
+ const char *lookup_name = name->val;
+ size_t lookup_len = name->len;
+
+ if (!is_fully_qualified) {
+ zend_get_unqualified_name(name, &lookup_name, &lookup_len);
+ }
- DEC_BPC(CG(active_op_array));
+ c = zend_lookup_reserved_const(lookup_name, lookup_len TSRMLS_CC);
+ if (c) {
+ ZVAL_DUP(zv, &c->value);
+ return 1;
+ }
+ }
+
+ return 0;
}
/* }}} */
-void zend_do_for_cond(const znode *expr, znode *second_semicolon_token TSRMLS_DC) /* {{{ */
+void zend_init_list(void *result, void *item TSRMLS_DC) /* {{{ */
{
- int for_cond_op_number = get_next_op_number(CG(active_op_array));
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ void** list = emalloc(sizeof(void*) * 2);
- opline->opcode = ZEND_JMPZNZ;
- SET_NODE(opline->op1, expr); /* the conditional expression */
- second_semicolon_token->u.op.opline_num = for_cond_op_number;
- SET_UNUSED(opline->op2);
+ list[0] = item;
+ list[1] = NULL;
+
+ *(void**)result = list;
}
/* }}} */
-void zend_do_for_before_statement(const znode *cond_start, const znode *second_semicolon_token TSRMLS_DC) /* {{{ */
+void zend_add_to_list(void *result, void *item TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ void** list = *(void**)result;
+ size_t n = 0;
- opline->opcode = ZEND_JMP;
- opline->op1.opline_num = cond_start->u.op.opline_num;
- CG(active_op_array)->opcodes[second_semicolon_token->u.op.opline_num].extended_value = get_next_op_number(CG(active_op_array));
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
+ if (list) {
+ while (list[n]) {
+ n++;
+ }
+ }
+
+ list = erealloc(list, sizeof(void*) * (n+2));
- do_begin_loop(TSRMLS_C);
+ list[n] = item;
+ list[n+1] = NULL;
- INC_BPC(CG(active_op_array));
+ *(void**)result = list;
}
/* }}} */
-void zend_do_for_end(const znode *second_semicolon_token TSRMLS_DC) /* {{{ */
+void zend_do_extended_info(TSRMLS_D) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_op *opline;
- opline->opcode = ZEND_JMP;
- opline->op1.opline_num = second_semicolon_token->u.op.opline_num+1;
- CG(active_op_array)->opcodes[second_semicolon_token->u.op.opline_num].op2.opline_num = get_next_op_number(CG(active_op_array));
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
+ if (!(CG(compiler_options) & ZEND_COMPILE_EXTENDED_INFO)) {
+ return;
+ }
- do_end_loop(second_semicolon_token->u.op.opline_num+1, 0 TSRMLS_CC);
+ opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- DEC_BPC(CG(active_op_array));
+ opline->opcode = ZEND_EXT_STMT;
+ SET_UNUSED(opline->op1);
+ SET_UNUSED(opline->op2);
}
/* }}} */
-void zend_do_pre_incdec(znode *result, const znode *op1, zend_uchar op TSRMLS_DC) /* {{{ */
+void zend_do_extended_fcall_begin(TSRMLS_D) /* {{{ */
{
- int last_op_number = get_next_op_number(CG(active_op_array));
zend_op *opline;
- if (last_op_number > 0) {
- zend_op *last_op = &CG(active_op_array)->opcodes[last_op_number-1];
-
- if (last_op->opcode == ZEND_FETCH_OBJ_RW) {
- last_op->opcode = (op==ZEND_PRE_INC)?ZEND_PRE_INC_OBJ:ZEND_PRE_DEC_OBJ;
- last_op->result_type = IS_VAR;
- last_op->result.var = get_temporary_variable(CG(active_op_array));
- GET_NODE(result, last_op->result);
- return;
- }
+ if (!(CG(compiler_options) & ZEND_COMPILE_EXTENDED_INFO)) {
+ return;
}
opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = op;
- SET_NODE(opline->op1, op1);
+
+ opline->opcode = ZEND_EXT_FCALL_BEGIN;
+ SET_UNUSED(opline->op1);
SET_UNUSED(opline->op2);
- opline->result_type = IS_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- GET_NODE(result, opline->result);
}
/* }}} */
-void zend_do_post_incdec(znode *result, const znode *op1, zend_uchar op TSRMLS_DC) /* {{{ */
+void zend_do_extended_fcall_end(TSRMLS_D) /* {{{ */
{
- int last_op_number = get_next_op_number(CG(active_op_array));
zend_op *opline;
- if (last_op_number > 0) {
- zend_op *last_op = &CG(active_op_array)->opcodes[last_op_number-1];
-
- if (last_op->opcode == ZEND_FETCH_OBJ_RW) {
- last_op->opcode = (op==ZEND_POST_INC)?ZEND_POST_INC_OBJ:ZEND_POST_DEC_OBJ;
- last_op->result_type = IS_TMP_VAR;
- last_op->result.var = get_temporary_variable(CG(active_op_array));
- GET_NODE(result, last_op->result);
- return;
- }
+ if (!(CG(compiler_options) & ZEND_COMPILE_EXTENDED_INFO)) {
+ return;
}
opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = op;
- SET_NODE(opline->op1, op1);
+
+ opline->opcode = ZEND_EXT_FCALL_END;
+ SET_UNUSED(opline->op1);
SET_UNUSED(opline->op2);
- opline->result_type = IS_TMP_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- GET_NODE(result, opline->result);
}
/* }}} */
-void zend_do_if_cond(const znode *cond, znode *closing_bracket_token TSRMLS_DC) /* {{{ */
+zend_bool zend_is_auto_global(zend_string *name TSRMLS_DC) /* {{{ */
{
- int if_cond_op_number = get_next_op_number(CG(active_op_array));
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_auto_global *auto_global;
- opline->opcode = ZEND_JMPZ;
- SET_NODE(opline->op1, cond);
- closing_bracket_token->u.op.opline_num = if_cond_op_number;
- SET_UNUSED(opline->op2);
- INC_BPC(CG(active_op_array));
+ if ((auto_global = zend_hash_find_ptr(CG(auto_globals), name)) != NULL) {
+ if (auto_global->armed) {
+ auto_global->armed = auto_global->auto_global_callback(auto_global->name TSRMLS_CC);
+ }
+ return 1;
+ }
+ return 0;
}
/* }}} */
-void zend_do_if_after_statement(const znode *closing_bracket_token, unsigned char initialize TSRMLS_DC) /* {{{ */
+int zend_register_auto_global(zend_string *name, zend_bool jit, zend_auto_global_callback auto_global_callback TSRMLS_DC) /* {{{ */
{
- int if_end_op_number = get_next_op_number(CG(active_op_array));
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- zend_llist *jmp_list_ptr;
+ zend_auto_global auto_global;
+ int retval;
- opline->opcode = ZEND_JMP;
- /* save for backpatching */
- if (initialize) {
- zend_llist jmp_list;
+ auto_global.name = zend_new_interned_string(name TSRMLS_CC);
+ auto_global.auto_global_callback = auto_global_callback;
+ auto_global.jit = jit;
- zend_llist_init(&jmp_list, sizeof(int), NULL, 0);
- zend_stack_push(&CG(bp_stack), (void *) &jmp_list, sizeof(zend_llist));
- }
- zend_stack_top(&CG(bp_stack), (void **) &jmp_list_ptr);
- zend_llist_add_element(jmp_list_ptr, &if_end_op_number);
+ retval = zend_hash_add_mem(CG(auto_globals), name, &auto_global, sizeof(zend_auto_global)) != NULL ? SUCCESS : FAILURE;
- CG(active_op_array)->opcodes[closing_bracket_token->u.op.opline_num].op2.opline_num = if_end_op_number+1;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
+ zend_string_release(auto_global.name);
+ return retval;
}
/* }}} */
-void zend_do_if_end(TSRMLS_D) /* {{{ */
+ZEND_API void zend_activate_auto_globals(TSRMLS_D) /* {{{ */
{
- int next_op_number = get_next_op_number(CG(active_op_array));
- zend_llist *jmp_list_ptr;
- zend_llist_element *le;
+ zend_auto_global *auto_global;
- zend_stack_top(&CG(bp_stack), (void **) &jmp_list_ptr);
- for (le=jmp_list_ptr->head; le; le = le->next) {
- CG(active_op_array)->opcodes[*((int *) le->data)].op1.opline_num = next_op_number;
- }
- zend_llist_destroy(jmp_list_ptr);
- zend_stack_del_top(&CG(bp_stack));
- DEC_BPC(CG(active_op_array));
+ ZEND_HASH_FOREACH_PTR(CG(auto_globals), auto_global) {
+ if (auto_global->jit) {
+ auto_global->armed = 1;
+ } else if (auto_global->auto_global_callback) {
+ auto_global->armed = auto_global->auto_global_callback(auto_global->name TSRMLS_CC);
+ } else {
+ auto_global->armed = 0;
+ }
+ } ZEND_HASH_FOREACH_END();
}
/* }}} */
-void zend_check_writable_variable(const znode *variable) /* {{{ */
+int zendlex(zend_parser_stack_elem *elem TSRMLS_DC) /* {{{ */
{
- zend_uint type = variable->EA;
+ zval zv;
+ int retval;
- if (type & ZEND_PARSED_METHOD_CALL) {
- zend_error(E_COMPILE_ERROR, "Can't use method return value in write context");
- }
- if (type == ZEND_PARSED_FUNCTION_CALL) {
- zend_error(E_COMPILE_ERROR, "Can't use function return value in write context");
+ if (CG(increment_lineno)) {
+ CG(zend_lineno)++;
+ CG(increment_lineno) = 0;
}
-}
-/* }}} */
-void zend_do_begin_variable_parse(TSRMLS_D) /* {{{ */
-{
- zend_llist fetch_list;
+again:
+ ZVAL_UNDEF(&zv);
+ retval = lex_scan(&zv TSRMLS_CC);
+ switch (retval) {
+ case T_COMMENT:
+ case T_DOC_COMMENT:
+ case T_OPEN_TAG:
+ case T_WHITESPACE:
+ goto again;
+
+ case T_CLOSE_TAG:
+ if (LANG_SCNG(yy_text)[LANG_SCNG(yy_leng)-1] != '>') {
+ CG(increment_lineno) = 1;
+ }
+ retval = ';'; /* implicit ; */
+ break;
+ case T_OPEN_TAG_WITH_ECHO:
+ retval = T_ECHO;
+ break;
+ }
+ if (Z_TYPE(zv) != IS_UNDEF) {
+ elem->ast = zend_ast_create_zval(&zv);
+ }
- zend_llist_init(&fetch_list, sizeof(zend_op), NULL, 0);
- zend_stack_push(&CG(bp_stack), (void *) &fetch_list, sizeof(zend_llist));
+ return retval;
}
/* }}} */
-void zend_do_end_variable_parse(znode *variable, int type, int arg_offset TSRMLS_DC) /* {{{ */
+ZEND_API void zend_initialize_class_data(zend_class_entry *ce, zend_bool nullify_handlers TSRMLS_DC) /* {{{ */
{
- zend_llist *fetch_list_ptr;
- zend_llist_element *le;
- zend_op *opline = NULL;
- zend_op *opline_ptr;
- zend_uint this_var = -1;
-
- zend_stack_top(&CG(bp_stack), (void **) &fetch_list_ptr);
+ zend_bool persistent_hashes = (ce->type == ZEND_INTERNAL_CLASS) ? 1 : 0;
+ dtor_func_t zval_ptr_dtor_func = ((persistent_hashes) ? ZVAL_INTERNAL_PTR_DTOR : ZVAL_PTR_DTOR);
- le = fetch_list_ptr->head;
+ ce->refcount = 1;
+ ce->ce_flags = ZEND_ACC_CONSTANTS_UPDATED;
- /* TODO: $foo->x->y->z = 1 should fetch "x" and "y" for R or RW, not just W */
+ ce->default_properties_table = NULL;
+ ce->default_static_members_table = NULL;
+ zend_hash_init_ex(&ce->properties_info, 8, NULL, (persistent_hashes ? zend_destroy_property_info_internal : zend_destroy_property_info), persistent_hashes, 0);
+ zend_hash_init_ex(&ce->constants_table, 8, NULL, zval_ptr_dtor_func, persistent_hashes, 0);
+ zend_hash_init_ex(&ce->function_table, 8, NULL, ZEND_FUNCTION_DTOR, persistent_hashes, 0);
- if (le) {
- opline_ptr = (zend_op *)le->data;
- if (opline_is_fetch_this(opline_ptr TSRMLS_CC)) {
- /* convert to FETCH_?(this) into IS_CV */
- if (CG(active_op_array)->last == 0 ||
- CG(active_op_array)->opcodes[CG(active_op_array)->last-1].opcode != ZEND_BEGIN_SILENCE) {
+ if (ce->type == ZEND_INTERNAL_CLASS) {
+#ifdef ZTS
+ int n = zend_hash_num_elements(CG(class_table));
- this_var = opline_ptr->result.var;
- if (CG(active_op_array)->this_var == -1) {
- CG(active_op_array)->this_var = lookup_cv(CG(active_op_array), Z_STRVAL(CONSTANT(opline_ptr->op1.constant)), Z_STRLEN(CONSTANT(opline_ptr->op1.constant)), Z_HASH_P(&CONSTANT(opline_ptr->op1.constant)) TSRMLS_CC);
- Z_TYPE(CONSTANT(opline_ptr->op1.constant)) = IS_NULL;
- } else {
- zend_del_literal(CG(active_op_array), opline_ptr->op1.constant);
- }
- le = le->next;
- if (variable->op_type == IS_VAR &&
- variable->u.op.var == this_var) {
- variable->op_type = IS_CV;
- variable->u.op.var = CG(active_op_array)->this_var;
- }
- } else if (CG(active_op_array)->this_var == -1) {
- CG(active_op_array)->this_var = lookup_cv(CG(active_op_array), estrndup("this", sizeof("this")-1), sizeof("this")-1, THIS_HASHVAL TSRMLS_CC);
- }
+ if (CG(static_members_table) && n >= CG(last_static_member)) {
+ /* Support for run-time declaration: dl() */
+ CG(last_static_member) = n+1;
+ CG(static_members_table) = realloc(CG(static_members_table), (n+1)*sizeof(zval*));
+ CG(static_members_table)[n] = NULL;
}
+ ce->static_members_table = (zval*)(zend_intptr_t)n;
+#else
+ ce->static_members_table = NULL;
+#endif
+ } else {
+ ce->static_members_table = ce->default_static_members_table;
+ ce->info.user.doc_comment = NULL;
+ }
- while (le) {
- opline_ptr = (zend_op *)le->data;
- if (opline_ptr->opcode == ZEND_SEPARATE) {
- if (type != BP_VAR_R && type != BP_VAR_IS) {
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- memcpy(opline, opline_ptr, sizeof(zend_op));
- }
- le = le->next;
- continue;
- }
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- memcpy(opline, opline_ptr, sizeof(zend_op));
- if (opline->op1_type == IS_VAR &&
- opline->op1.var == this_var) {
- opline->op1_type = IS_CV;
- opline->op1.var = CG(active_op_array)->this_var;
- }
- switch (type) {
- case BP_VAR_R:
- if (opline->opcode == ZEND_FETCH_DIM_W && opline->op2_type == IS_UNUSED) {
- zend_error(E_COMPILE_ERROR, "Cannot use [] for reading");
- }
- opline->opcode -= 3;
- break;
- case BP_VAR_W:
- break;
- case BP_VAR_RW:
- opline->opcode += 3;
- break;
- case BP_VAR_IS:
- if (opline->opcode == ZEND_FETCH_DIM_W && opline->op2_type == IS_UNUSED) {
- zend_error(E_COMPILE_ERROR, "Cannot use [] for reading");
- }
- opline->opcode += 6; /* 3+3 */
- break;
- case BP_VAR_FUNC_ARG:
- opline->opcode += 9; /* 3+3+3 */
- opline->extended_value |= arg_offset;
- break;
- case BP_VAR_UNSET:
- if (opline->opcode == ZEND_FETCH_DIM_W && opline->op2_type == IS_UNUSED) {
- zend_error(E_COMPILE_ERROR, "Cannot use [] for unsetting");
- }
- opline->opcode += 12; /* 3+3+3+3 */
- break;
- }
- le = le->next;
- }
- if (opline && type == BP_VAR_W && arg_offset) {
- opline->extended_value |= ZEND_FETCH_MAKE_REF;
+ ce->default_properties_count = 0;
+ ce->default_static_members_count = 0;
+
+ if (nullify_handlers) {
+ ce->constructor = NULL;
+ ce->destructor = NULL;
+ ce->clone = NULL;
+ ce->__get = NULL;
+ ce->__set = NULL;
+ ce->__unset = NULL;
+ ce->__isset = NULL;
+ ce->__call = NULL;
+ ce->__callstatic = NULL;
+ ce->__tostring = NULL;
+ ce->create_object = NULL;
+ ce->get_iterator = NULL;
+ ce->iterator_funcs.funcs = NULL;
+ ce->interface_gets_implemented = NULL;
+ ce->get_static_method = NULL;
+ ce->parent = NULL;
+ ce->num_interfaces = 0;
+ ce->interfaces = NULL;
+ ce->num_traits = 0;
+ ce->traits = NULL;
+ ce->trait_aliases = NULL;
+ ce->trait_precedences = NULL;
+ ce->serialize = NULL;
+ ce->unserialize = NULL;
+ ce->serialize_func = NULL;
+ ce->unserialize_func = NULL;
+ ce->__debugInfo = NULL;
+ if (ce->type == ZEND_INTERNAL_CLASS) {
+ ce->info.internal.module = NULL;
+ ce->info.internal.builtin_functions = NULL;
}
}
- zend_llist_destroy(fetch_list_ptr);
- zend_stack_del_top(&CG(bp_stack));
}
/* }}} */
-void zend_do_add_string(znode *result, const znode *op1, znode *op2 TSRMLS_DC) /* {{{ */
+uint32_t zend_get_class_fetch_type(zend_string *name) /* {{{ */
{
- zend_op *opline;
-
- if (Z_STRLEN(op2->u.constant) > 1) {
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_ADD_STRING;
- } else if (Z_STRLEN(op2->u.constant) == 1) {
- int ch = *Z_STRVAL(op2->u.constant);
-
- /* Free memory and use ZEND_ADD_CHAR in case of 1 character strings */
- efree(Z_STRVAL(op2->u.constant));
- ZVAL_LONG(&op2->u.constant, ch);
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_ADD_CHAR;
- } else { /* String can be empty after a variable at the end of a heredoc */
- efree(Z_STRVAL(op2->u.constant));
- return;
- }
-
- if (op1) {
- SET_NODE(opline->op1, op1);
- SET_NODE(opline->result, op1);
+ if (zend_string_equals_literal_ci(name, "self")) {
+ return ZEND_FETCH_CLASS_SELF;
+ } else if (zend_string_equals_literal_ci(name, "parent")) {
+ return ZEND_FETCH_CLASS_PARENT;
+ } else if (zend_string_equals_literal_ci(name, "static")) {
+ return ZEND_FETCH_CLASS_STATIC;
} else {
- SET_UNUSED(opline->op1);
- opline->result_type = IS_TMP_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
+ return ZEND_FETCH_CLASS_DEFAULT;
}
- SET_NODE(opline->op2, op2);
- GET_NODE(result, opline->result);
}
/* }}} */
-void zend_do_add_variable(znode *result, const znode *op1, const znode *op2 TSRMLS_DC) /* {{{ */
+ZEND_API zend_string *zend_get_compiled_variable_name(const zend_op_array *op_array, uint32_t var) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
-
- opline->opcode = ZEND_ADD_VAR;
-
- if (op1) {
- SET_NODE(opline->op1, op1);
- SET_NODE(opline->result, op1);
- } else {
- SET_UNUSED(opline->op1);
- opline->result_type = IS_TMP_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- }
- SET_NODE(opline->op2, op2);
- GET_NODE(result, opline->result);
+ return op_array->vars[EX_VAR_TO_NUM(var)];
}
/* }}} */
-void zend_do_free(znode *op1 TSRMLS_DC) /* {{{ */
+zend_ast *zend_ast_append_str(zend_ast *left_ast, zend_ast *right_ast) /* {{{ */
{
- if (op1->op_type==IS_TMP_VAR) {
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zval *left_zv = zend_ast_get_zval(left_ast);
+ zend_string *left = Z_STR_P(left_zv);
+ zend_string *right = zend_ast_get_str(right_ast);
- opline->opcode = ZEND_FREE;
- SET_NODE(opline->op1, op1);
- SET_UNUSED(opline->op2);
- } else if (op1->op_type==IS_VAR) {
- zend_op *opline = &CG(active_op_array)->opcodes[CG(active_op_array)->last-1];
+ zend_string *result;
+ size_t left_len = left->len;
+ size_t len = left_len + right->len + 1; /* left\right */
- while (opline->opcode == ZEND_END_SILENCE || opline->opcode == ZEND_EXT_FCALL_END || opline->opcode == ZEND_OP_DATA) {
- opline--;
- }
- if (opline->result_type == IS_VAR
- && opline->result.var == op1->u.op.var) {
- if (opline->opcode == ZEND_FETCH_R ||
- opline->opcode == ZEND_FETCH_DIM_R ||
- opline->opcode == ZEND_FETCH_OBJ_R ||
- opline->opcode == ZEND_QM_ASSIGN_VAR) {
- /* It's very rare and useless case. It's better to use
- additional FREE opcode and simplify the FETCH handlers
- their selves */
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_FREE;
- SET_NODE(opline->op1, op1);
- SET_UNUSED(opline->op2);
- } else {
- opline->result_type |= EXT_TYPE_UNUSED;
- }
- } else {
- while (opline>CG(active_op_array)->opcodes) {
- if (opline->opcode == ZEND_FETCH_DIM_R
- && opline->op1_type == IS_VAR
- && opline->op1.var == op1->u.op.var) {
- /* This should the end of a list() construct
- * Mark its result as unused
- */
- opline->extended_value = ZEND_FETCH_STANDARD;
- break;
- } else if (opline->result_type==IS_VAR
- && opline->result.var == op1->u.op.var) {
- if (opline->opcode == ZEND_NEW) {
- opline->result_type |= EXT_TYPE_UNUSED;
- }
- break;
- }
- opline--;
- }
- }
- } else if (op1->op_type == IS_CONST) {
- zval_dtor(&op1->u.constant);
- }
+ result = zend_string_realloc(left, len, 0);
+ result->val[left_len] = '\\';
+ memcpy(&result->val[left_len + 1], right->val, right->len);
+ result->val[len] = '\0';
+ zend_string_release(right);
+
+ ZVAL_STR(left_zv, result);
+ return left_ast;
}
/* }}} */
-int zend_do_verify_access_types(const znode *current_access_type, const znode *new_modifier) /* {{{ */
+/* A hacky way that is used to store the doc comment for properties */
+zend_ast *zend_ast_append_doc_comment(zend_ast *list TSRMLS_DC) /* {{{ */
{
- if ((Z_LVAL(current_access_type->u.constant) & ZEND_ACC_PPP_MASK)
- && (Z_LVAL(new_modifier->u.constant) & ZEND_ACC_PPP_MASK)) {
- zend_error(E_COMPILE_ERROR, "Multiple access type modifiers are not allowed");
- }
- if ((Z_LVAL(current_access_type->u.constant) & ZEND_ACC_ABSTRACT)
- && (Z_LVAL(new_modifier->u.constant) & ZEND_ACC_ABSTRACT)) {
- zend_error(E_COMPILE_ERROR, "Multiple abstract modifiers are not allowed");
- }
- if ((Z_LVAL(current_access_type->u.constant) & ZEND_ACC_STATIC)
- && (Z_LVAL(new_modifier->u.constant) & ZEND_ACC_STATIC)) {
- zend_error(E_COMPILE_ERROR, "Multiple static modifiers are not allowed");
- }
- if ((Z_LVAL(current_access_type->u.constant) & ZEND_ACC_FINAL)
- && (Z_LVAL(new_modifier->u.constant) & ZEND_ACC_FINAL)) {
- zend_error(E_COMPILE_ERROR, "Multiple final modifiers are not allowed");
- }
- if (((Z_LVAL(current_access_type->u.constant) | Z_LVAL(new_modifier->u.constant)) & (ZEND_ACC_ABSTRACT | ZEND_ACC_FINAL)) == (ZEND_ACC_ABSTRACT | ZEND_ACC_FINAL)) {
- zend_error(E_COMPILE_ERROR, "Cannot use the final modifier on an abstract class member");
+ if (CG(doc_comment)) {
+ list = zend_ast_list_add(list, zend_ast_create_zval_from_str(CG(doc_comment)));
+ CG(doc_comment) = NULL;
}
- return (Z_LVAL(current_access_type->u.constant) | Z_LVAL(new_modifier->u.constant));
+
+ return list;
}
/* }}} */
-void zend_do_begin_function_declaration(znode *function_token, znode *function_name, int is_method, int return_reference, znode *fn_flags_znode TSRMLS_DC) /* {{{ */
+void zend_verify_namespace(TSRMLS_D) /* {{{ */
{
- zend_op_array op_array;
- char *name = Z_STRVAL(function_name->u.constant);
- int name_len = Z_STRLEN(function_name->u.constant);
- int function_begin_line = function_token->u.op.opline_num;
- zend_uint fn_flags;
- const char *lcname;
- zend_bool orig_interactive;
- ALLOCA_FLAG(use_heap)
-
- if (is_method) {
- if (CG(active_class_entry)->ce_flags & ZEND_ACC_INTERFACE) {
- if ((Z_LVAL(fn_flags_znode->u.constant) & ~(ZEND_ACC_STATIC|ZEND_ACC_PUBLIC))) {
- zend_error(E_COMPILE_ERROR, "Access type for interface method %s::%s() must be omitted", CG(active_class_entry)->name, Z_STRVAL(function_name->u.constant));
- }
- Z_LVAL(fn_flags_znode->u.constant) |= ZEND_ACC_ABSTRACT; /* propagates to the rest of the parser */
- }
- fn_flags = Z_LVAL(fn_flags_znode->u.constant); /* must be done *after* the above check */
- } else {
- fn_flags = 0;
- }
- if ((fn_flags & ZEND_ACC_STATIC) && (fn_flags & ZEND_ACC_ABSTRACT) && !(CG(active_class_entry)->ce_flags & ZEND_ACC_INTERFACE)) {
- zend_error(E_STRICT, "Static function %s%s%s() should not be abstract", is_method ? CG(active_class_entry)->name : "", is_method ? "::" : "", Z_STRVAL(function_name->u.constant));
+ if (CG(has_bracketed_namespaces) && !CG(in_namespace)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "No code may exist outside of namespace {}");
}
+}
+/* }}} */
- function_token->u.op_array = CG(active_op_array);
-
- orig_interactive = CG(interactive);
- CG(interactive) = 0;
- init_op_array(&op_array, ZEND_USER_FUNCTION, INITIAL_OP_ARRAY_SIZE TSRMLS_CC);
- CG(interactive) = orig_interactive;
-
- op_array.function_name = name;
- if (return_reference) {
- op_array.fn_flags |= ZEND_ACC_RETURN_REFERENCE;
+static void zend_reset_import_tables(TSRMLS_D) /* {{{ */
+{
+ if (CG(current_import)) {
+ zend_hash_destroy(CG(current_import));
+ efree(CG(current_import));
+ CG(current_import) = NULL;
}
- op_array.fn_flags |= fn_flags;
- op_array.scope = is_method?CG(active_class_entry):NULL;
- op_array.prototype = NULL;
+ if (CG(current_import_function)) {
+ zend_hash_destroy(CG(current_import_function));
+ efree(CG(current_import_function));
+ CG(current_import_function) = NULL;
+ }
- op_array.line_start = zend_get_compiled_lineno(TSRMLS_C);
+ if (CG(current_import_const)) {
+ zend_hash_destroy(CG(current_import_const));
+ efree(CG(current_import_const));
+ CG(current_import_const) = NULL;
+ }
+}
+/* }}} */
- if (is_method) {
- zend_ulong hash;
+static void zend_end_namespace(TSRMLS_D) /* {{{ */ {
+ CG(in_namespace) = 0;
+ zend_reset_import_tables(TSRMLS_C);
+ if (CG(current_namespace)) {
+ zend_string_release(CG(current_namespace));
+ CG(current_namespace) = NULL;
+ }
+}
+/* }}} */
- lcname = zend_new_interned_string(zend_str_tolower_dup(name, name_len), name_len + 1, 1 TSRMLS_CC);
- hash = str_hash(lcname, name_len);
- if (zend_hash_quick_add(&CG(active_class_entry)->function_table, lcname, name_len+1, hash, &op_array, sizeof(zend_op_array), (void **) &CG(active_op_array)) == FAILURE) {
- zend_error(E_COMPILE_ERROR, "Cannot redeclare %s::%s()", CG(active_class_entry)->name, name);
- }
+void zend_do_end_compilation(TSRMLS_D) /* {{{ */
+{
+ CG(has_bracketed_namespaces) = 0;
+ zend_end_namespace(TSRMLS_C);
+}
+/* }}} */
- zend_stack_push(&CG(context_stack), (void *) &CG(context), sizeof(CG(context)));
- zend_init_compiler_context(TSRMLS_C);
+/* {{{ zend_dirname
+ Returns directory name component of path */
+ZEND_API size_t zend_dirname(char *path, size_t len)
+{
+ register char *end = path + len - 1;
+ unsigned int len_adjust = 0;
- if (fn_flags & ZEND_ACC_ABSTRACT) {
- CG(active_class_entry)->ce_flags |= ZEND_ACC_IMPLICIT_ABSTRACT_CLASS;
+#ifdef PHP_WIN32
+ /* Note that on Win32 CWD is per drive (heritage from CP/M).
+ * This means dirname("c:foo") maps to "c:." or "c:" - which means CWD on C: drive.
+ */
+ if ((2 <= len) && isalpha((int)((unsigned char *)path)[0]) && (':' == path[1])) {
+ /* Skip over the drive spec (if any) so as not to change */
+ path += 2;
+ len_adjust += 2;
+ if (2 == len) {
+ /* Return "c:" on Win32 for dirname("c:").
+ * It would be more consistent to return "c:."
+ * but that would require making the string *longer*.
+ */
+ return len;
}
-
- if (!(fn_flags & ZEND_ACC_PPP_MASK)) {
- fn_flags |= ZEND_ACC_PUBLIC;
+ }
+#elif defined(NETWARE)
+ /*
+ * Find the first occurrence of : from the left
+ * move the path pointer to the position just after :
+ * increment the len_adjust to the length of path till colon character(inclusive)
+ * If there is no character beyond : simple return len
+ */
+ char *colonpos = NULL;
+ colonpos = strchr(path, ':');
+ if (colonpos != NULL) {
+ len_adjust = ((colonpos - path) + 1);
+ path += len_adjust;
+ if (len_adjust == len) {
+ return len;
}
+ }
+#endif
- if (CG(active_class_entry)->ce_flags & ZEND_ACC_INTERFACE) {
- if ((name_len == sizeof(ZEND_CALL_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_CALL_FUNC_NAME, sizeof(ZEND_CALL_FUNC_NAME)-1))) {
- if (fn_flags & ((ZEND_ACC_PPP_MASK | ZEND_ACC_STATIC) ^ ZEND_ACC_PUBLIC)) {
- zend_error(E_WARNING, "The magic method __call() must have public visibility and cannot be static");
- }
- } else if ((name_len == sizeof(ZEND_CALLSTATIC_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_CALLSTATIC_FUNC_NAME, sizeof(ZEND_CALLSTATIC_FUNC_NAME)-1))) {
- if ((fn_flags & (ZEND_ACC_PPP_MASK ^ ZEND_ACC_PUBLIC)) || (fn_flags & ZEND_ACC_STATIC) == 0) {
- zend_error(E_WARNING, "The magic method __callStatic() must have public visibility and be static");
- }
- } else if ((name_len == sizeof(ZEND_GET_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_GET_FUNC_NAME, sizeof(ZEND_GET_FUNC_NAME)-1))) {
- if (fn_flags & ((ZEND_ACC_PPP_MASK | ZEND_ACC_STATIC) ^ ZEND_ACC_PUBLIC)) {
- zend_error(E_WARNING, "The magic method __get() must have public visibility and cannot be static");
- }
- } else if ((name_len == sizeof(ZEND_SET_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_SET_FUNC_NAME, sizeof(ZEND_SET_FUNC_NAME)-1))) {
- if (fn_flags & ((ZEND_ACC_PPP_MASK | ZEND_ACC_STATIC) ^ ZEND_ACC_PUBLIC)) {
- zend_error(E_WARNING, "The magic method __set() must have public visibility and cannot be static");
- }
- } else if ((name_len == sizeof(ZEND_UNSET_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_UNSET_FUNC_NAME, sizeof(ZEND_UNSET_FUNC_NAME)-1))) {
- if (fn_flags & ((ZEND_ACC_PPP_MASK | ZEND_ACC_STATIC) ^ ZEND_ACC_PUBLIC)) {
- zend_error(E_WARNING, "The magic method __unset() must have public visibility and cannot be static");
- }
- } else if ((name_len == sizeof(ZEND_ISSET_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_ISSET_FUNC_NAME, sizeof(ZEND_ISSET_FUNC_NAME)-1))) {
- if (fn_flags & ((ZEND_ACC_PPP_MASK | ZEND_ACC_STATIC) ^ ZEND_ACC_PUBLIC)) {
- zend_error(E_WARNING, "The magic method __isset() must have public visibility and cannot be static");
- }
- } else if ((name_len == sizeof(ZEND_TOSTRING_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_TOSTRING_FUNC_NAME, sizeof(ZEND_TOSTRING_FUNC_NAME)-1))) {
- if (fn_flags & ((ZEND_ACC_PPP_MASK | ZEND_ACC_STATIC) ^ ZEND_ACC_PUBLIC)) {
- zend_error(E_WARNING, "The magic method __toString() must have public visibility and cannot be static");
- }
- } else if ((name_len == sizeof(ZEND_INVOKE_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_INVOKE_FUNC_NAME, sizeof(ZEND_INVOKE_FUNC_NAME)-1))) {
- if (fn_flags & ((ZEND_ACC_PPP_MASK | ZEND_ACC_STATIC) ^ ZEND_ACC_PUBLIC)) {
- zend_error(E_WARNING, "The magic method __invoke() must have public visibility and cannot be static");
- }
- }
- } else {
- char *class_lcname;
-
- class_lcname = do_alloca(CG(active_class_entry)->name_length + 1, use_heap);
- zend_str_tolower_copy(class_lcname, CG(active_class_entry)->name, CG(active_class_entry)->name_length);
- /* Improve after RC: cache the lowercase class name */
-
- if ((CG(active_class_entry)->name_length == name_len) && ((CG(active_class_entry)->ce_flags & ZEND_ACC_TRAIT) != ZEND_ACC_TRAIT) && (!memcmp(class_lcname, lcname, name_len))) {
- if (!CG(active_class_entry)->constructor) {
- CG(active_class_entry)->constructor = (zend_function *) CG(active_op_array);
- }
- } else if ((name_len == sizeof(ZEND_CONSTRUCTOR_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_CONSTRUCTOR_FUNC_NAME, sizeof(ZEND_CONSTRUCTOR_FUNC_NAME)))) {
- if (CG(active_class_entry)->constructor) {
- zend_error(E_STRICT, "Redefining already defined constructor for class %s", CG(active_class_entry)->name);
- }
- CG(active_class_entry)->constructor = (zend_function *) CG(active_op_array);
- } else if ((name_len == sizeof(ZEND_DESTRUCTOR_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_DESTRUCTOR_FUNC_NAME, sizeof(ZEND_DESTRUCTOR_FUNC_NAME)-1))) {
- CG(active_class_entry)->destructor = (zend_function *) CG(active_op_array);
- } else if ((name_len == sizeof(ZEND_CLONE_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_CLONE_FUNC_NAME, sizeof(ZEND_CLONE_FUNC_NAME)-1))) {
- CG(active_class_entry)->clone = (zend_function *) CG(active_op_array);
- } else if ((name_len == sizeof(ZEND_CALL_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_CALL_FUNC_NAME, sizeof(ZEND_CALL_FUNC_NAME)-1))) {
- if (fn_flags & ((ZEND_ACC_PPP_MASK | ZEND_ACC_STATIC) ^ ZEND_ACC_PUBLIC)) {
- zend_error(E_WARNING, "The magic method __call() must have public visibility and cannot be static");
- }
- CG(active_class_entry)->__call = (zend_function *) CG(active_op_array);
- } else if ((name_len == sizeof(ZEND_CALLSTATIC_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_CALLSTATIC_FUNC_NAME, sizeof(ZEND_CALLSTATIC_FUNC_NAME)-1))) {
- if ((fn_flags & (ZEND_ACC_PPP_MASK ^ ZEND_ACC_PUBLIC)) || (fn_flags & ZEND_ACC_STATIC) == 0) {
- zend_error(E_WARNING, "The magic method __callStatic() must have public visibility and be static");
- }
- CG(active_class_entry)->__callstatic = (zend_function *) CG(active_op_array);
- } else if ((name_len == sizeof(ZEND_GET_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_GET_FUNC_NAME, sizeof(ZEND_GET_FUNC_NAME)-1))) {
- if (fn_flags & ((ZEND_ACC_PPP_MASK | ZEND_ACC_STATIC) ^ ZEND_ACC_PUBLIC)) {
- zend_error(E_WARNING, "The magic method __get() must have public visibility and cannot be static");
- }
- CG(active_class_entry)->__get = (zend_function *) CG(active_op_array);
- } else if ((name_len == sizeof(ZEND_SET_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_SET_FUNC_NAME, sizeof(ZEND_SET_FUNC_NAME)-1))) {
- if (fn_flags & ((ZEND_ACC_PPP_MASK | ZEND_ACC_STATIC) ^ ZEND_ACC_PUBLIC)) {
- zend_error(E_WARNING, "The magic method __set() must have public visibility and cannot be static");
- }
- CG(active_class_entry)->__set = (zend_function *) CG(active_op_array);
- } else if ((name_len == sizeof(ZEND_UNSET_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_UNSET_FUNC_NAME, sizeof(ZEND_UNSET_FUNC_NAME)-1))) {
- if (fn_flags & ((ZEND_ACC_PPP_MASK | ZEND_ACC_STATIC) ^ ZEND_ACC_PUBLIC)) {
- zend_error(E_WARNING, "The magic method __unset() must have public visibility and cannot be static");
- }
- CG(active_class_entry)->__unset = (zend_function *) CG(active_op_array);
- } else if ((name_len == sizeof(ZEND_ISSET_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_ISSET_FUNC_NAME, sizeof(ZEND_ISSET_FUNC_NAME)-1))) {
- if (fn_flags & ((ZEND_ACC_PPP_MASK | ZEND_ACC_STATIC) ^ ZEND_ACC_PUBLIC)) {
- zend_error(E_WARNING, "The magic method __isset() must have public visibility and cannot be static");
- }
- CG(active_class_entry)->__isset = (zend_function *) CG(active_op_array);
- } else if ((name_len == sizeof(ZEND_TOSTRING_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_TOSTRING_FUNC_NAME, sizeof(ZEND_TOSTRING_FUNC_NAME)-1))) {
- if (fn_flags & ((ZEND_ACC_PPP_MASK | ZEND_ACC_STATIC) ^ ZEND_ACC_PUBLIC)) {
- zend_error(E_WARNING, "The magic method __toString() must have public visibility and cannot be static");
- }
- CG(active_class_entry)->__tostring = (zend_function *) CG(active_op_array);
- } else if ((name_len == sizeof(ZEND_INVOKE_FUNC_NAME)-1) && (!memcmp(lcname, ZEND_INVOKE_FUNC_NAME, sizeof(ZEND_INVOKE_FUNC_NAME)-1))) {
- if (fn_flags & ((ZEND_ACC_PPP_MASK | ZEND_ACC_STATIC) ^ ZEND_ACC_PUBLIC)) {
- zend_error(E_WARNING, "The magic method __invoke() must have public visibility and cannot be static");
- }
- } else if (!(fn_flags & ZEND_ACC_STATIC)) {
- CG(active_op_array)->fn_flags |= ZEND_ACC_ALLOW_STATIC;
- }
- free_alloca(class_lcname, use_heap);
- }
+ if (len == 0) {
+ /* Illegal use of this function */
+ return 0;
+ }
- str_efree(lcname);
- } else {
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- zval key;
+ /* Strip trailing slashes */
+ while (end >= path && IS_SLASH_P(end)) {
+ end--;
+ }
+ if (end < path) {
+ /* The path only contained slashes */
+ path[0] = DEFAULT_SLASH;
+ path[1] = '\0';
+ return 1 + len_adjust;
+ }
- if (CG(current_namespace)) {
- /* Prefix function name with current namespace name */
- znode tmp;
-
- tmp.u.constant = *CG(current_namespace);
- zval_copy_ctor(&tmp.u.constant);
- zend_do_build_namespace_name(&tmp, &tmp, function_name TSRMLS_CC);
- op_array.function_name = Z_STRVAL(tmp.u.constant);
- name_len = Z_STRLEN(tmp.u.constant);
- lcname = zend_str_tolower_dup(Z_STRVAL(tmp.u.constant), name_len);
+ /* Strip filename */
+ while (end >= path && !IS_SLASH_P(end)) {
+ end--;
+ }
+ if (end < path) {
+ /* No slash found, therefore return '.' */
+#ifdef NETWARE
+ if (len_adjust == 0) {
+ path[0] = '.';
+ path[1] = '\0';
+ return 1; /* only one character */
} else {
- lcname = zend_str_tolower_dup(name, name_len);
+ path[0] = '\0';
+ return len_adjust;
}
-
- opline->opcode = ZEND_DECLARE_FUNCTION;
- opline->op1_type = IS_CONST;
- build_runtime_defined_function_key(&key, lcname, name_len TSRMLS_CC);
- opline->op1.constant = zend_add_literal(CG(active_op_array), &key TSRMLS_CC);
- Z_HASH_P(&CONSTANT(opline->op1.constant)) = zend_hash_func(Z_STRVAL(CONSTANT(opline->op1.constant)), Z_STRLEN(CONSTANT(opline->op1.constant)));
- opline->op2_type = IS_CONST;
- LITERAL_STRINGL(opline->op2, lcname, name_len, 0);
- CALCULATE_LITERAL_HASH(opline->op2.constant);
- opline->extended_value = ZEND_DECLARE_FUNCTION;
- zend_hash_quick_update(CG(function_table), Z_STRVAL(key), Z_STRLEN(key), Z_HASH_P(&CONSTANT(opline->op1.constant)), &op_array, sizeof(zend_op_array), (void **) &CG(active_op_array));
- zend_stack_push(&CG(context_stack), (void *) &CG(context), sizeof(CG(context)));
- zend_init_compiler_context(TSRMLS_C);
- }
-
- if (CG(compiler_options) & ZEND_COMPILE_EXTENDED_INFO) {
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
-
- opline->opcode = ZEND_EXT_NOP;
- opline->lineno = function_begin_line;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
+#else
+ path[0] = '.';
+ path[1] = '\0';
+ return 1 + len_adjust;
+#endif
}
- {
- /* Push a separator to the switch stack */
- zend_switch_entry switch_entry;
-
- switch_entry.cond.op_type = IS_UNUSED;
- switch_entry.default_case = 0;
- switch_entry.control_var = 0;
-
- zend_stack_push(&CG(switch_cond_stack), (void *) &switch_entry, sizeof(switch_entry));
+ /* Strip slashes which came before the file name */
+ while (end >= path && IS_SLASH_P(end)) {
+ end--;
}
-
- {
- /* Push a separator to the foreach stack */
- zend_op dummy_opline;
-
- dummy_opline.result_type = IS_UNUSED;
-
- zend_stack_push(&CG(foreach_copy_stack), (void *) &dummy_opline, sizeof(zend_op));
+ if (end < path) {
+ path[0] = DEFAULT_SLASH;
+ path[1] = '\0';
+ return 1 + len_adjust;
}
+ *(end+1) = '\0';
- if (CG(doc_comment)) {
- CG(active_op_array)->doc_comment = CG(doc_comment);
- CG(active_op_array)->doc_comment_len = CG(doc_comment_len);
- CG(doc_comment) = NULL;
- CG(doc_comment_len) = 0;
- }
+ return (size_t)(end + 1 - path) + len_adjust;
}
/* }}} */
-void zend_do_begin_lambda_function_declaration(znode *result, znode *function_token, int return_reference, int is_static TSRMLS_DC) /* {{{ */
+static inline zend_bool zend_string_equals_str_ci(zend_string *str1, zend_string *str2) /* {{{ */
{
- znode function_name;
- zend_op_array *current_op_array = CG(active_op_array);
- int current_op_number = get_next_op_number(CG(active_op_array));
- zend_op *current_op;
-
- function_name.op_type = IS_CONST;
- ZVAL_STRINGL(&function_name.u.constant, "{closure}", sizeof("{closure}")-1, 1);
-
- zend_do_begin_function_declaration(function_token, &function_name, 0, return_reference, NULL TSRMLS_CC);
-
- result->op_type = IS_TMP_VAR;
- result->u.op.var = get_temporary_variable(current_op_array);
+ return str1->len == str2->len
+ && !zend_binary_strcasecmp(str1->val, str1->len, str2->val, str2->len);
+}
+/* }}} */
- current_op = &current_op_array->opcodes[current_op_number];
- current_op->opcode = ZEND_DECLARE_LAMBDA_FUNCTION;
- zend_del_literal(current_op_array, current_op->op2.constant);
- SET_UNUSED(current_op->op2);
- SET_NODE(current_op->result, result);
- if (is_static) {
- CG(active_op_array)->fn_flags |= ZEND_ACC_STATIC;
+static void zend_adjust_for_fetch_type(zend_op *opline, uint32_t type) /* {{{ */
+{
+ switch (type & BP_VAR_MASK) {
+ case BP_VAR_R:
+ return;
+ case BP_VAR_W:
+ opline->opcode += 3;
+ return;
+ case BP_VAR_REF:
+ opline->opcode += 3;
+ opline->extended_value |= ZEND_FETCH_MAKE_REF;
+ return;
+ case BP_VAR_RW:
+ opline->opcode += 6;
+ return;
+ case BP_VAR_IS:
+ opline->opcode += 9;
+ return;
+ case BP_VAR_FUNC_ARG:
+ opline->opcode += 12;
+ opline->extended_value |= type >> BP_VAR_SHIFT;
+ return;
+ case BP_VAR_UNSET:
+ opline->opcode += 15;
+ return;
+ EMPTY_SWITCH_DEFAULT_CASE()
}
- CG(active_op_array)->fn_flags |= ZEND_ACC_CLOSURE;
}
/* }}} */
-void zend_do_handle_exception(TSRMLS_D) /* {{{ */
+static inline void zend_make_var_result(znode *result, zend_op *opline TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
-
- opline->opcode = ZEND_HANDLE_EXCEPTION;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
+ opline->result_type = IS_VAR;
+ opline->result.var = get_temporary_variable(CG(active_op_array));
+ GET_NODE(result, opline->result);
}
/* }}} */
-void zend_do_end_function_declaration(const znode *function_token TSRMLS_DC) /* {{{ */
+static inline void zend_make_tmp_result(znode *result, zend_op *opline TSRMLS_DC) /* {{{ */
{
- char lcname[16];
- int name_len;
-
- zend_do_extended_info(TSRMLS_C);
- zend_do_return(NULL, 0 TSRMLS_CC);
+ opline->result_type = IS_TMP_VAR;
+ opline->result.var = get_temporary_variable(CG(active_op_array));
+ GET_NODE(result, opline->result);
+}
+/* }}} */
- pass_two(CG(active_op_array) TSRMLS_CC);
- zend_release_labels(0 TSRMLS_CC);
+static zend_op *zend_emit_op(znode *result, zend_uchar opcode, znode *op1, znode *op2 TSRMLS_DC) /* {{{ */
+{
+ zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ opline->opcode = opcode;
- if (CG(active_class_entry)) {
- zend_check_magic_method_implementation(CG(active_class_entry), (zend_function*)CG(active_op_array), E_COMPILE_ERROR TSRMLS_CC);
+ if (op1 == NULL) {
+ SET_UNUSED(opline->op1);
} else {
- /* we don't care if the function name is longer, in fact lowercasing only
- * the beginning of the name speeds up the check process */
- name_len = strlen(CG(active_op_array)->function_name);
- zend_str_tolower_copy(lcname, CG(active_op_array)->function_name, MIN(name_len, sizeof(lcname)-1));
- lcname[sizeof(lcname)-1] = '\0'; /* zend_str_tolower_copy won't necessarily set the zero byte */
- if (name_len == sizeof(ZEND_AUTOLOAD_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_AUTOLOAD_FUNC_NAME, sizeof(ZEND_AUTOLOAD_FUNC_NAME)) && CG(active_op_array)->num_args != 1) {
- zend_error(E_COMPILE_ERROR, "%s() must take exactly 1 argument", ZEND_AUTOLOAD_FUNC_NAME);
- }
+ SET_NODE(opline->op1, op1);
}
- CG(active_op_array)->line_end = zend_get_compiled_lineno(TSRMLS_C);
- CG(active_op_array) = function_token->u.op_array;
-
+ if (op2 == NULL) {
+ SET_UNUSED(opline->op2);
+ } else {
+ SET_NODE(opline->op2, op2);
+ }
- /* Pop the switch and foreach separators */
- zend_stack_del_top(&CG(switch_cond_stack));
- zend_stack_del_top(&CG(foreach_copy_stack));
+ if (result) {
+ zend_make_var_result(result, opline TSRMLS_CC);
+ }
+ return opline;
}
/* }}} */
-void zend_do_receive_param(zend_uchar op, znode *varname, const znode *initialization, znode *class_type, zend_uchar pass_by_reference, zend_bool is_variadic TSRMLS_DC) /* {{{ */
+static zend_op *zend_emit_op_tmp(znode *result, zend_uchar opcode, znode *op1, znode *op2 TSRMLS_DC) /* {{{ */
{
- zend_op *opline;
- zend_arg_info *cur_arg_info;
- znode var;
+ zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ opline->opcode = opcode;
- if (zend_is_auto_global(Z_STRVAL(varname->u.constant), Z_STRLEN(varname->u.constant) TSRMLS_CC)) {
- zend_error(E_COMPILE_ERROR, "Cannot re-assign auto-global variable %s", Z_STRVAL(varname->u.constant));
+ if (op1 == NULL) {
+ SET_UNUSED(opline->op1);
} else {
- var.op_type = IS_CV;
- var.u.op.var = lookup_cv(CG(active_op_array), Z_STRVAL(varname->u.constant), Z_STRLEN(varname->u.constant), 0 TSRMLS_CC);
- Z_STRVAL(varname->u.constant) = (char*)CG(active_op_array)->vars[var.u.op.var].name;
- var.EA = 0;
- if (CG(active_op_array)->vars[var.u.op.var].hash_value == THIS_HASHVAL &&
- Z_STRLEN(varname->u.constant) == sizeof("this")-1 &&
- !memcmp(Z_STRVAL(varname->u.constant), "this", sizeof("this")-1)) {
- if (CG(active_op_array)->scope &&
- (CG(active_op_array)->fn_flags & ZEND_ACC_STATIC) == 0) {
- zend_error(E_COMPILE_ERROR, "Cannot re-assign $this");
- }
- CG(active_op_array)->this_var = var.u.op.var;
- }
+ SET_NODE(opline->op1, op1);
}
- if (CG(active_op_array)->fn_flags & ZEND_ACC_VARIADIC) {
- zend_error(E_COMPILE_ERROR, "Only the last parameter can be variadic");
+ if (op2 == NULL) {
+ SET_UNUSED(opline->op2);
+ } else {
+ SET_NODE(opline->op2, op2);
}
- if (is_variadic) {
- if (op == ZEND_RECV_INIT) {
- zend_error(E_COMPILE_ERROR, "Variadic parameter cannot have a default value");
- }
-
- op = ZEND_RECV_VARIADIC;
- CG(active_op_array)->fn_flags |= ZEND_ACC_VARIADIC;
+ if (result) {
+ zend_make_tmp_result(result, opline TSRMLS_CC);
}
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- CG(active_op_array)->num_args++;
- opline->opcode = op;
- SET_NODE(opline->result, &var);
- opline->op1_type = IS_UNUSED;
- opline->op1.num = CG(active_op_array)->num_args;
- if (op == ZEND_RECV_INIT) {
- SET_NODE(opline->op2, initialization);
- } else {
- SET_UNUSED(opline->op2);
- if (!is_variadic) {
- CG(active_op_array)->required_num_args = CG(active_op_array)->num_args;
- }
- }
- CG(active_op_array)->arg_info = erealloc(CG(active_op_array)->arg_info, sizeof(zend_arg_info)*(CG(active_op_array)->num_args));
- cur_arg_info = &CG(active_op_array)->arg_info[CG(active_op_array)->num_args-1];
- cur_arg_info->name = zend_new_interned_string(estrndup(Z_STRVAL(varname->u.constant), Z_STRLEN(varname->u.constant)), Z_STRLEN(varname->u.constant) + 1, 1 TSRMLS_CC);
- cur_arg_info->name_len = Z_STRLEN(varname->u.constant);
- cur_arg_info->type_hint = 0;
- cur_arg_info->pass_by_reference = pass_by_reference;
- cur_arg_info->allow_null = 1;
- cur_arg_info->is_variadic = is_variadic;
- cur_arg_info->class_name = NULL;
- cur_arg_info->class_name_len = 0;
-
- if (class_type->op_type != IS_UNUSED) {
- cur_arg_info->allow_null = 0;
-
- if (class_type->u.constant.type != IS_NULL) {
- if (class_type->u.constant.type == IS_ARRAY) {
- cur_arg_info->type_hint = IS_ARRAY;
- if (op == ZEND_RECV_INIT) {
- if (Z_TYPE(initialization->u.constant) == IS_NULL || (Z_TYPE(initialization->u.constant) == IS_CONSTANT && !strcasecmp(Z_STRVAL(initialization->u.constant), "NULL"))) {
- cur_arg_info->allow_null = 1;
- } else if (Z_TYPE(initialization->u.constant) != IS_ARRAY && Z_TYPE(initialization->u.constant) != IS_CONSTANT_ARRAY) {
- zend_error(E_COMPILE_ERROR, "Default value for parameters with array type hint can only be an array or NULL");
- }
- }
- } else if (class_type->u.constant.type == IS_CALLABLE) {
- cur_arg_info->type_hint = IS_CALLABLE;
- if (op == ZEND_RECV_INIT) {
- if (Z_TYPE(initialization->u.constant) == IS_NULL || (Z_TYPE(initialization->u.constant) == IS_CONSTANT && !strcasecmp(Z_STRVAL(initialization->u.constant), "NULL"))) {
- cur_arg_info->allow_null = 1;
- } else {
- zend_error(E_COMPILE_ERROR, "Default value for parameters with callable type hint can only be NULL");
- }
- }
- } else {
- cur_arg_info->type_hint = IS_OBJECT;
- if (ZEND_FETCH_CLASS_DEFAULT == zend_get_class_fetch_type(Z_STRVAL(class_type->u.constant), Z_STRLEN(class_type->u.constant))) {
- zend_resolve_class_name(class_type TSRMLS_CC);
- }
- Z_STRVAL(class_type->u.constant) = (char*)zend_new_interned_string(Z_STRVAL(class_type->u.constant), Z_STRLEN(class_type->u.constant) + 1, 1 TSRMLS_CC);
- cur_arg_info->class_name = Z_STRVAL(class_type->u.constant);
- cur_arg_info->class_name_len = Z_STRLEN(class_type->u.constant);
- if (op == ZEND_RECV_INIT) {
- if (Z_TYPE(initialization->u.constant) == IS_NULL || (Z_TYPE(initialization->u.constant) == IS_CONSTANT && !strcasecmp(Z_STRVAL(initialization->u.constant), "NULL"))) {
- cur_arg_info->allow_null = 1;
- } else {
- zend_error(E_COMPILE_ERROR, "Default value for parameters with a class type hint can only be NULL");
- }
- }
- }
- }
- }
+ return opline;
}
/* }}} */
-int zend_do_begin_function_call(znode *function_name, zend_bool check_namespace TSRMLS_DC) /* {{{ */
+static void zend_emit_tick(TSRMLS_D) /* {{{ */
{
- zend_function *function;
- char *lcname;
- char *is_compound = memchr(Z_STRVAL(function_name->u.constant), '\\', Z_STRLEN(function_name->u.constant));
+ zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- zend_resolve_non_class_name(function_name, check_namespace TSRMLS_CC);
+ opline->opcode = ZEND_TICKS;
+ SET_UNUSED(opline->op1);
+ SET_UNUSED(opline->op2);
+ opline->extended_value = Z_LVAL(CG(declarables).ticks);
+}
+/* }}} */
- if (check_namespace && CG(current_namespace) && !is_compound) {
- /* We assume we call function from the current namespace
- if it is not prefixed. */
+static inline zend_op *zend_emit_op_data(znode *value TSRMLS_DC) /* {{{ */
+{
+ return zend_emit_op(NULL, ZEND_OP_DATA, value, NULL TSRMLS_CC);
+}
+/* }}} */
- /* In run-time PHP will check for function with full name and
- internal function with short name */
- zend_do_begin_dynamic_function_call(function_name, 1 TSRMLS_CC);
- return 1;
- }
+static inline uint32_t zend_emit_jump(uint32_t opnum_target TSRMLS_DC) /* {{{ */
+{
+ uint32_t opnum = get_next_op_number(CG(active_op_array));
+ zend_op *opline = zend_emit_op(NULL, ZEND_JMP, NULL, NULL TSRMLS_CC);
+ opline->op1.opline_num = opnum_target;
+ return opnum;
+}
+/* }}} */
- lcname = zend_str_tolower_dup(Z_STRVAL(function_name->u.constant), Z_STRLEN(function_name->u.constant));
- if ((zend_hash_find(CG(function_table), lcname, Z_STRLEN(function_name->u.constant)+1, (void **) &function)==FAILURE) ||
- ((CG(compiler_options) & ZEND_COMPILE_IGNORE_INTERNAL_FUNCTIONS) &&
- (function->type == ZEND_INTERNAL_FUNCTION))) {
- zend_do_begin_dynamic_function_call(function_name, 0 TSRMLS_CC);
- efree(lcname);
- return 1; /* Dynamic */
- }
- efree(Z_STRVAL(function_name->u.constant));
- Z_STRVAL(function_name->u.constant) = lcname;
+static inline uint32_t zend_emit_cond_jump(zend_uchar opcode, znode *cond, uint32_t opnum_target TSRMLS_DC) /* {{{ */
+{
+ uint32_t opnum = get_next_op_number(CG(active_op_array));
+ zend_op *opline = zend_emit_op(NULL, opcode, cond, NULL TSRMLS_CC);
+ opline->op2.opline_num = opnum_target;
+ return opnum;
+}
+/* }}} */
- zend_stack_push(&CG(function_call_stack), (void *) &function, sizeof(zend_function *));
- if (CG(context).nested_calls + 1 > CG(active_op_array)->nested_calls) {
- CG(active_op_array)->nested_calls = CG(context).nested_calls + 1;
+static inline void zend_update_jump_target(uint32_t opnum_jump, uint32_t opnum_target TSRMLS_DC) /* {{{ */
+{
+ zend_op *opline = &CG(active_op_array)->opcodes[opnum_jump];
+ switch (opline->opcode) {
+ case ZEND_JMP:
+ opline->op1.opline_num = opnum_target;
+ break;
+ case ZEND_JMPZ:
+ case ZEND_JMPNZ:
+ case ZEND_JMPZ_EX:
+ case ZEND_JMPNZ_EX:
+ opline->op2.opline_num = opnum_target;
+ break;
+ EMPTY_SWITCH_DEFAULT_CASE()
}
- zend_do_extended_fcall_begin(TSRMLS_C);
- return 0;
}
/* }}} */
-void zend_do_begin_method_call(znode *left_bracket TSRMLS_DC) /* {{{ */
+static inline void zend_update_jump_target_to_next(uint32_t opnum_jump TSRMLS_DC) /* {{{ */
{
- zend_op *last_op;
- int last_op_number;
- unsigned char *ptr = NULL;
-
- zend_do_end_variable_parse(left_bracket, BP_VAR_R, 0 TSRMLS_CC);
- zend_do_begin_variable_parse(TSRMLS_C);
-
- last_op_number = get_next_op_number(CG(active_op_array))-1;
- last_op = &CG(active_op_array)->opcodes[last_op_number];
+ zend_update_jump_target(opnum_jump, get_next_op_number(CG(active_op_array)) TSRMLS_CC);
+}
+/* }}} */
- if ((last_op->op2_type == IS_CONST) && (Z_TYPE(CONSTANT(last_op->op2.constant)) == IS_STRING) && (Z_STRLEN(CONSTANT(last_op->op2.constant)) == sizeof(ZEND_CLONE_FUNC_NAME)-1)
- && !zend_binary_strcasecmp(Z_STRVAL(CONSTANT(last_op->op2.constant)), Z_STRLEN(CONSTANT(last_op->op2.constant)), ZEND_CLONE_FUNC_NAME, sizeof(ZEND_CLONE_FUNC_NAME)-1)) {
- zend_error(E_COMPILE_ERROR, "Cannot call __clone() method on objects - use 'clone $obj' instead");
+static inline zend_op *zend_delayed_emit_op(znode *result, zend_uchar opcode, znode *op1, znode *op2 TSRMLS_DC) /* {{{ */
+{
+ zend_op tmp_opline;
+ init_op(&tmp_opline TSRMLS_CC);
+ tmp_opline.opcode = opcode;
+ SET_NODE(tmp_opline.op1, op1);
+ SET_NODE(tmp_opline.op2, op2);
+ if (result) {
+ zend_make_var_result(result, &tmp_opline TSRMLS_CC);
}
- if (last_op->opcode == ZEND_FETCH_OBJ_R) {
- if (last_op->op2_type == IS_CONST) {
- zval name;
- name = CONSTANT(last_op->op2.constant);
- if (Z_TYPE(name) != IS_STRING) {
- zend_error(E_COMPILE_ERROR, "Method name must be a string");
- }
- Z_STRVAL(name) = str_estrndup(Z_STRVAL(name), Z_STRLEN(name));
- FREE_POLYMORPHIC_CACHE_SLOT(last_op->op2.constant);
- last_op->op2.constant =
- zend_add_func_name_literal(CG(active_op_array), &name TSRMLS_CC);
- GET_POLYMORPHIC_CACHE_SLOT(last_op->op2.constant);
- }
- last_op->opcode = ZEND_INIT_METHOD_CALL;
- last_op->result_type = IS_UNUSED;
- last_op->result.num = CG(context).nested_calls;
- Z_LVAL(left_bracket->u.constant) = ZEND_INIT_FCALL_BY_NAME;
- } else {
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_INIT_FCALL_BY_NAME;
- opline->result.num = CG(context).nested_calls;
- SET_UNUSED(opline->op1);
- if (left_bracket->op_type == IS_CONST) {
- opline->op2_type = IS_CONST;
- opline->op2.constant = zend_add_func_name_literal(CG(active_op_array), &left_bracket->u.constant TSRMLS_CC);
- GET_CACHE_SLOT(opline->op2.constant);
- } else {
- SET_NODE(opline->op2, left_bracket);
- }
- }
+ zend_stack_push(&CG(delayed_oplines_stack), &tmp_opline);
+ return zend_stack_top(&CG(delayed_oplines_stack));
+}
+/* }}} */
- zend_stack_push(&CG(function_call_stack), (void *) &ptr, sizeof(zend_function *));
- if (++CG(context).nested_calls > CG(active_op_array)->nested_calls) {
- CG(active_op_array)->nested_calls = CG(context).nested_calls;
- }
- zend_do_extended_fcall_begin(TSRMLS_C);
+static inline uint32_t zend_delayed_compile_begin(TSRMLS_D) /* {{{ */
+{
+ return zend_stack_count(&CG(delayed_oplines_stack));
}
/* }}} */
-void zend_do_clone(znode *result, const znode *expr TSRMLS_DC) /* {{{ */
+static zend_op *zend_delayed_compile_end(uint32_t offset TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_op *opline, *oplines = zend_stack_base(&CG(delayed_oplines_stack));
+ uint32_t i, count = zend_stack_count(&CG(delayed_oplines_stack));
- opline->opcode = ZEND_CLONE;
- SET_NODE(opline->op1, expr);
- SET_UNUSED(opline->op2);
- opline->result_type = IS_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- GET_NODE(result, opline->result);
+ ZEND_ASSERT(count > offset);
+ for (i = offset; i < count; ++i) {
+ opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ memcpy(opline, &oplines[i], sizeof(zend_op));
+ }
+ CG(delayed_oplines_stack).top = offset;
+ return opline;
}
/* }}} */
-void zend_do_begin_dynamic_function_call(znode *function_name, int ns_call TSRMLS_DC) /* {{{ */
+void zend_emit_final_return(zval *zv TSRMLS_DC) /* {{{ */
{
- unsigned char *ptr = NULL;
- zend_op *opline;
+ znode zn;
+ zend_bool returns_reference = (CG(active_op_array)->fn_flags & ZEND_ACC_RETURN_REFERENCE) != 0;
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- if (ns_call) {
- /* In run-time PHP will check for function with full name and
- internal function with short name */
- opline->opcode = ZEND_INIT_NS_FCALL_BY_NAME;
- opline->result.num = CG(context).nested_calls;
- SET_UNUSED(opline->op1);
- opline->op2_type = IS_CONST;
- opline->op2.constant = zend_add_ns_func_name_literal(CG(active_op_array), &function_name->u.constant TSRMLS_CC);
- GET_CACHE_SLOT(opline->op2.constant);
+ zn.op_type = IS_CONST;
+ if (zv) {
+ ZVAL_COPY_VALUE(&zn.u.constant, zv);
} else {
- opline->opcode = ZEND_INIT_FCALL_BY_NAME;
- opline->result.num = CG(context).nested_calls;
- SET_UNUSED(opline->op1);
- if (function_name->op_type == IS_CONST) {
- opline->op2_type = IS_CONST;
- opline->op2.constant = zend_add_func_name_literal(CG(active_op_array), &function_name->u.constant TSRMLS_CC);
- GET_CACHE_SLOT(opline->op2.constant);
- } else {
- SET_NODE(opline->op2, function_name);
- }
+ ZVAL_NULL(&zn.u.constant);
}
- zend_stack_push(&CG(function_call_stack), (void *) &ptr, sizeof(zend_function *));
- if (++CG(context).nested_calls > CG(active_op_array)->nested_calls) {
- CG(active_op_array)->nested_calls = CG(context).nested_calls;
- }
- zend_do_extended_fcall_begin(TSRMLS_C);
+ zend_emit_op(NULL, returns_reference ? ZEND_RETURN_BY_REF : ZEND_RETURN, &zn, NULL TSRMLS_CC);
}
/* }}} */
-void zend_resolve_non_class_name(znode *element_name, zend_bool check_namespace TSRMLS_DC) /* {{{ */
+static inline zend_bool zend_is_variable(zend_ast *ast) /* {{{ */
{
- znode tmp;
- int len;
- zval **ns;
- char *lcname, *compound = memchr(Z_STRVAL(element_name->u.constant), '\\', Z_STRLEN(element_name->u.constant));
+ return ast->kind == ZEND_AST_VAR || ast->kind == ZEND_AST_DIM
+ || ast->kind == ZEND_AST_PROP || ast->kind == ZEND_AST_STATIC_PROP
+ || ast->kind == ZEND_AST_CALL || ast->kind == ZEND_AST_METHOD_CALL
+ || ast->kind == ZEND_AST_STATIC_CALL;
+}
+/* }}} */
- if (Z_STRVAL(element_name->u.constant)[0] == '\\') {
- /* name starts with \ so it is known and unambiguos, nothing to do here but shorten it */
- memmove(Z_STRVAL(element_name->u.constant), Z_STRVAL(element_name->u.constant)+1, Z_STRLEN(element_name->u.constant));
- --Z_STRLEN(element_name->u.constant);
- return;
- }
+static inline zend_bool zend_is_call(zend_ast *ast) /* {{{ */
+{
+ return ast->kind == ZEND_AST_CALL
+ || ast->kind == ZEND_AST_METHOD_CALL
+ || ast->kind == ZEND_AST_STATIC_CALL;
+}
+/* }}} */
- if(!check_namespace) {
- return;
- }
+static inline zend_bool zend_is_unticked_stmt(zend_ast *ast) /* {{{ */
+{
+ return ast->kind == ZEND_AST_STMT_LIST || ast->kind == ZEND_AST_LABEL;
+}
+/* }}} */
- if (compound && CG(current_import)) {
- len = compound - Z_STRVAL(element_name->u.constant);
- lcname = zend_str_tolower_dup(Z_STRVAL(element_name->u.constant), len);
- /* Check if first part of compound name is an import name */
- if (zend_hash_find(CG(current_import), lcname, len+1, (void**)&ns) == SUCCESS) {
- /* Substitute import name */
- tmp.op_type = IS_CONST;
- tmp.u.constant = **ns;
- zval_copy_ctor(&tmp.u.constant);
- len += 1;
- Z_STRLEN(element_name->u.constant) -= len;
- memmove(Z_STRVAL(element_name->u.constant), Z_STRVAL(element_name->u.constant)+len, Z_STRLEN(element_name->u.constant)+1);
- zend_do_build_namespace_name(&tmp, &tmp, element_name TSRMLS_CC);
- *element_name = tmp;
- efree(lcname);
- return;
- }
- efree(lcname);
+static inline zend_bool zend_can_write_to_variable(zend_ast *ast) /* {{{ */
+{
+ while (ast->kind == ZEND_AST_DIM || ast->kind == ZEND_AST_PROP) {
+ ast = ast->child[0];
}
- if (CG(current_namespace)) {
- tmp = *element_name;
- Z_STRLEN(tmp.u.constant) = sizeof("\\")-1 + Z_STRLEN(element_name->u.constant) + Z_STRLEN_P(CG(current_namespace));
- Z_STRVAL(tmp.u.constant) = (char *) emalloc(Z_STRLEN(tmp.u.constant)+1);
- memcpy(Z_STRVAL(tmp.u.constant), Z_STRVAL_P(CG(current_namespace)), Z_STRLEN_P(CG(current_namespace)));
- memcpy(&(Z_STRVAL(tmp.u.constant)[Z_STRLEN_P(CG(current_namespace))]), "\\", sizeof("\\")-1);
- memcpy(&(Z_STRVAL(tmp.u.constant)[Z_STRLEN_P(CG(current_namespace)) + sizeof("\\")-1]), Z_STRVAL(element_name->u.constant), Z_STRLEN(element_name->u.constant)+1);
- str_efree(Z_STRVAL(element_name->u.constant));
- *element_name = tmp;
- }
+ return zend_is_variable(ast);
}
/* }}} */
-void zend_do_resolve_class_name(znode *result, znode *class_name, int is_static TSRMLS_DC) /* {{{ */
+static inline zend_bool zend_is_const_default_class_ref(zend_ast *name_ast) /* {{{ */
{
- char *lcname;
- int lctype;
- znode constant_name;
+ zend_string *name;
- lcname = zend_str_tolower_dup(Z_STRVAL(class_name->u.constant), Z_STRLEN(class_name->u.constant));
- lctype = zend_get_class_fetch_type(lcname, strlen(lcname));
- switch (lctype) {
- case ZEND_FETCH_CLASS_SELF:
- if (!CG(active_class_entry)) {
- zend_error(E_COMPILE_ERROR, "Cannot access self::class when no class scope is active");
- }
- zval_dtor(&class_name->u.constant);
- class_name->op_type = IS_CONST;
- ZVAL_STRINGL(&class_name->u.constant, CG(active_class_entry)->name, CG(active_class_entry)->name_length, 1);
- *result = *class_name;
- break;
- case ZEND_FETCH_CLASS_STATIC:
- case ZEND_FETCH_CLASS_PARENT:
- if (is_static) {
- zend_error(E_COMPILE_ERROR,
- "%s::class cannot be used for compile-time class name resolution",
- lctype == ZEND_FETCH_CLASS_STATIC ? "static" : "parent"
- );
- }
- if (!CG(active_class_entry)) {
- zend_error(E_COMPILE_ERROR,
- "Cannot access %s::class when no class scope is active",
- lctype == ZEND_FETCH_CLASS_STATIC ? "static" : "parent"
- );
- }
- constant_name.op_type = IS_CONST;
- ZVAL_STRINGL(&constant_name.u.constant, "class", sizeof("class")-1, 1);
- zend_do_fetch_constant(result, class_name, &constant_name, ZEND_RT, 1 TSRMLS_CC);
- break;
- case ZEND_FETCH_CLASS_DEFAULT:
- zend_resolve_class_name(class_name TSRMLS_CC);
- *result = *class_name;
- break;
+ if (name_ast->kind != ZEND_AST_ZVAL) {
+ return 0;
}
- efree(lcname);
+ /* Fully qualified names are always default refs */
+ if (!name_ast->attr) {
+ return 1;
+ }
+ name = zend_ast_get_str(name_ast);
+ return ZEND_FETCH_CLASS_DEFAULT == zend_get_class_fetch_type(name);
}
/* }}} */
-void zend_resolve_class_name(znode *class_name TSRMLS_DC) /* {{{ */
+static inline void zend_handle_numeric_op(znode *node TSRMLS_DC) /* {{{ */
{
- char *compound;
- char *lcname;
- zval **ns;
- znode tmp;
- int len;
+ if (node->op_type == IS_CONST && Z_TYPE(node->u.constant) == IS_STRING) {
+ zend_ulong index;
- compound = memchr(Z_STRVAL(class_name->u.constant), '\\', Z_STRLEN(class_name->u.constant));
- if (compound) {
- /* This is a compound class name that contains namespace prefix */
- if (Z_STRVAL(class_name->u.constant)[0] == '\\') {
- /* The STRING name has "\" prefix */
- Z_STRLEN(class_name->u.constant) -= 1;
- memmove(Z_STRVAL(class_name->u.constant), Z_STRVAL(class_name->u.constant)+1, Z_STRLEN(class_name->u.constant)+1);
- Z_STRVAL(class_name->u.constant) = erealloc(
- Z_STRVAL(class_name->u.constant),
- Z_STRLEN(class_name->u.constant) + 1);
-
- if (ZEND_FETCH_CLASS_DEFAULT != zend_get_class_fetch_type(Z_STRVAL(class_name->u.constant), Z_STRLEN(class_name->u.constant))) {
- zend_error(E_COMPILE_ERROR, "'\\%s' is an invalid class name", Z_STRVAL(class_name->u.constant));
- }
- } else {
- if (CG(current_import)) {
- len = compound - Z_STRVAL(class_name->u.constant);
- lcname = zend_str_tolower_dup(Z_STRVAL(class_name->u.constant), len);
- /* Check if first part of compound name is an import name */
- if (zend_hash_find(CG(current_import), lcname, len+1, (void**)&ns) == SUCCESS) {
- /* Substitute import name */
- tmp.op_type = IS_CONST;
- tmp.u.constant = **ns;
- zval_copy_ctor(&tmp.u.constant);
- len += 1;
- Z_STRLEN(class_name->u.constant) -= len;
- memmove(Z_STRVAL(class_name->u.constant), Z_STRVAL(class_name->u.constant)+len, Z_STRLEN(class_name->u.constant)+1);
- zend_do_build_namespace_name(&tmp, &tmp, class_name TSRMLS_CC);
- *class_name = tmp;
- efree(lcname);
- return;
- }
- efree(lcname);
- }
- /* Here name is not prefixed with \ and not imported */
- if (CG(current_namespace)) {
- tmp.op_type = IS_CONST;
- tmp.u.constant = *CG(current_namespace);
- zval_copy_ctor(&tmp.u.constant);
- zend_do_build_namespace_name(&tmp, &tmp, class_name TSRMLS_CC);
- *class_name = tmp;
- }
+ if (ZEND_HANDLE_NUMERIC(Z_STR(node->u.constant), index)) {
+ zval_ptr_dtor(&node->u.constant);
+ ZVAL_LONG(&node->u.constant, index);
}
- } else if (CG(current_import) || CG(current_namespace)) {
- /* this is a plain name (without \) */
- lcname = zend_str_tolower_dup(Z_STRVAL(class_name->u.constant), Z_STRLEN(class_name->u.constant));
+ }
+}
+/* }}} */
- if (CG(current_import) &&
- zend_hash_find(CG(current_import), lcname, Z_STRLEN(class_name->u.constant)+1, (void**)&ns) == SUCCESS) {
- /* The given name is an import name. Substitute it. */
- zval_dtor(&class_name->u.constant);
- class_name->u.constant = **ns;
- zval_copy_ctor(&class_name->u.constant);
- } else if (CG(current_namespace)) {
- /* plain name, no import - prepend current namespace to it */
- tmp.op_type = IS_CONST;
- tmp.u.constant = *CG(current_namespace);
- zval_copy_ctor(&tmp.u.constant);
- zend_do_build_namespace_name(&tmp, &tmp, class_name TSRMLS_CC);
- *class_name = tmp;
- }
- efree(lcname);
+static inline void zend_set_class_name_op1(zend_op *opline, znode *class_node TSRMLS_DC) /* {{{ */
+{
+ if (class_node->op_type == IS_CONST) {
+ opline->op1_type = IS_CONST;
+ opline->op1.constant = zend_add_class_name_literal(
+ CG(active_op_array), Z_STR(class_node->u.constant) TSRMLS_CC);
+ } else {
+ SET_NODE(opline->op1, class_node);
}
}
/* }}} */
-void zend_do_fetch_class(znode *result, znode *class_name TSRMLS_DC) /* {{{ */
+static zend_op *zend_compile_class_ref(znode *result, zend_ast *name_ast TSRMLS_DC) /* {{{ */
{
- long fetch_class_op_number;
zend_op *opline;
+ znode name_node;
+ zend_compile_expr(&name_node, name_ast TSRMLS_CC);
- fetch_class_op_number = get_next_op_number(CG(active_op_array));
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ if (name_node.op_type == IS_CONST) {
+ zend_string *name = Z_STR(name_node.u.constant);
+ uint32_t fetch_type = zend_get_class_fetch_type(name);
- opline->opcode = ZEND_FETCH_CLASS;
- SET_UNUSED(opline->op1);
- opline->extended_value = ZEND_FETCH_CLASS_DEFAULT;
- CG(catch_begin) = fetch_class_op_number;
- if (class_name->op_type == IS_CONST) {
- int fetch_type;
+ opline = zend_emit_op(result, ZEND_FETCH_CLASS, NULL, NULL TSRMLS_CC);
+ opline->extended_value = fetch_type;
- fetch_type = zend_get_class_fetch_type(Z_STRVAL(class_name->u.constant), Z_STRLEN(class_name->u.constant));
- switch (fetch_type) {
- case ZEND_FETCH_CLASS_SELF:
- case ZEND_FETCH_CLASS_PARENT:
- case ZEND_FETCH_CLASS_STATIC:
- SET_UNUSED(opline->op2);
- opline->extended_value = fetch_type;
- zval_dtor(&class_name->u.constant);
- break;
- default:
- zend_resolve_class_name(class_name TSRMLS_CC);
- opline->op2_type = IS_CONST;
- opline->op2.constant =
- zend_add_class_name_literal(CG(active_op_array), &class_name->u.constant TSRMLS_CC);
- break;
+ if (fetch_type == ZEND_FETCH_CLASS_DEFAULT) {
+ uint32_t type = name_ast->kind == ZEND_AST_ZVAL ? name_ast->attr : ZEND_NAME_FQ;
+ opline->op2_type = IS_CONST;
+ opline->op2.constant = zend_add_class_name_literal(CG(active_op_array),
+ zend_resolve_class_name(name, type TSRMLS_CC) TSRMLS_CC);
}
+
+ zend_string_release(name);
} else {
- SET_NODE(opline->op2, class_name);
+ opline = zend_emit_op(result, ZEND_FETCH_CLASS, NULL, &name_node TSRMLS_CC);
+ opline->extended_value = ZEND_FETCH_CLASS_DEFAULT;
}
- opline->result.var = get_temporary_variable(CG(active_op_array));
- opline->result_type = IS_VAR; /* FIXME: Hack so that INIT_FCALL_BY_NAME still knows this is a class */
- GET_NODE(result, opline->result);
- result->EA = opline->extended_value;
+
+ return opline;
}
/* }}} */
-void zend_do_label(znode *label TSRMLS_DC) /* {{{ */
+static int zend_try_compile_cv(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_label dest;
+ zend_ast *name_ast = ast->child[0];
+ if (name_ast->kind == ZEND_AST_ZVAL) {
+ zend_string *name = zval_get_string(zend_ast_get_zval(name_ast));
- if (!CG(context).labels) {
- ALLOC_HASHTABLE(CG(context).labels);
- zend_hash_init(CG(context).labels, 4, NULL, NULL, 0);
- }
+ if (zend_is_auto_global(name TSRMLS_CC)) {
+ zend_string_release(name);
+ return FAILURE;
+ }
- dest.brk_cont = CG(context).current_brk_cont;
- dest.opline_num = get_next_op_number(CG(active_op_array));
+ result->op_type = IS_CV;
+ result->u.op.var = lookup_cv(CG(active_op_array), name TSRMLS_CC);
- if (zend_hash_add(CG(context).labels, Z_STRVAL(label->u.constant), Z_STRLEN(label->u.constant) + 1, (void**)&dest, sizeof(zend_label), NULL) == FAILURE) {
- zend_error(E_COMPILE_ERROR, "Label '%s' already defined", Z_STRVAL(label->u.constant));
+ if (zend_string_equals_literal(name, "this")) {
+ CG(active_op_array)->this_var = result->u.op.var;
+ }
+ return SUCCESS;
}
- /* Done with label now */
- zval_dtor(&label->u.constant);
+ return FAILURE;
}
/* }}} */
-void zend_resolve_goto_label(zend_op_array *op_array, zend_op *opline, int pass2 TSRMLS_DC) /* {{{ */
+static zend_op *zend_compile_simple_var_no_cv(znode *result, zend_ast *ast, uint32_t type TSRMLS_DC) /* {{{ */
{
- zend_label *dest;
- long current, distance;
- zval *label;
+ zend_ast *name_ast = ast->child[0];
+ znode name_node;
+ zend_op *opline;
- if (pass2) {
- label = opline->op2.zv;
- } else {
- label = &CONSTANT_EX(op_array, opline->op2.constant);
+ /* there is a chance someone is accessing $this */
+ if (ast->kind != ZEND_AST_ZVAL
+ && CG(active_op_array)->scope && CG(active_op_array)->this_var == -1
+ ) {
+ zend_string *key = zend_string_init("this", sizeof("this") - 1, 0);
+ CG(active_op_array)->this_var = lookup_cv(CG(active_op_array), key TSRMLS_CC);
}
- if (CG(context).labels == NULL ||
- zend_hash_find(CG(context).labels, Z_STRVAL_P(label), Z_STRLEN_P(label)+1, (void**)&dest) == FAILURE) {
- if (pass2) {
- CG(in_compilation) = 1;
- CG(active_op_array) = op_array;
- CG(zend_lineno) = opline->lineno;
- zend_error(E_COMPILE_ERROR, "'goto' to undefined label '%s'", Z_STRVAL_P(label));
- } else {
- /* Label is not defined. Delay to pass 2. */
- INC_BPC(op_array);
- return;
+ zend_compile_expr(&name_node, name_ast TSRMLS_CC);
+
+ opline = zend_emit_op(result, ZEND_FETCH_R, &name_node, NULL TSRMLS_CC);
+
+ opline->extended_value = ZEND_FETCH_LOCAL;
+ if (name_node.op_type == IS_CONST) {
+ if (zend_is_auto_global(Z_STR(name_node.u.constant) TSRMLS_CC)) {
+ opline->extended_value = ZEND_FETCH_GLOBAL;
}
}
- opline->op1.opline_num = dest->opline_num;
- zval_dtor(label);
- Z_TYPE_P(label) = IS_NULL;
+ return opline;
+}
+/* }}} */
- /* Check that we are not moving into loop or switch */
- current = opline->extended_value;
- for (distance = 0; current != dest->brk_cont; distance++) {
- if (current == -1) {
- if (pass2) {
- CG(in_compilation) = 1;
- CG(active_op_array) = op_array;
- CG(zend_lineno) = opline->lineno;
- }
- zend_error(E_COMPILE_ERROR, "'goto' into loop or switch statement is disallowed");
+static void zend_compile_simple_var(znode *result, zend_ast *ast, uint32_t type TSRMLS_DC) /* {{{ */
+{
+ if (zend_try_compile_cv(result, ast TSRMLS_CC) == FAILURE) {
+ zend_op *opline = zend_compile_simple_var_no_cv(result, ast, type TSRMLS_CC);
+ zend_adjust_for_fetch_type(opline, type);
+ }
+}
+/* }}} */
+
+static void zend_separate_if_call_and_write(znode *node, zend_ast *ast, uint32_t type TSRMLS_DC) /* {{{ */
+{
+ if (type != BP_VAR_R && type != BP_VAR_IS && zend_is_call(ast)) {
+ if (node->op_type == IS_VAR) {
+ zend_op *opline = zend_emit_op(NULL, ZEND_SEPARATE, node, NULL TSRMLS_CC);
+ opline->result_type = IS_VAR;
+ opline->result.var = opline->op1.var;
+ } else {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use result of built-in function in write context");
}
- current = op_array->brk_cont_array[current].parent;
}
+}
+/* }}} */
- if (distance == 0) {
- /* Nothing to break out of, optimize to ZEND_JMP */
- opline->opcode = ZEND_JMP;
- opline->extended_value = 0;
- SET_UNUSED(opline->op2);
+void zend_delayed_compile_var(znode *result, zend_ast *ast, uint32_t type TSRMLS_DC);
+void zend_compile_assign(znode *result, zend_ast *ast TSRMLS_DC);
+static void zend_compile_list_assign(znode *result, zend_ast *ast, znode *expr_node TSRMLS_DC);
+
+static inline void zend_emit_assign_znode(zend_ast *var_ast, znode *value_node TSRMLS_DC) /* {{{ */
+{
+ znode dummy_node;
+ if (var_ast->kind == ZEND_AST_LIST) {
+ zend_compile_list_assign(&dummy_node, var_ast, value_node TSRMLS_CC);
} else {
- /* Set real break distance */
- ZVAL_LONG(label, distance);
+ zend_ast *assign_ast = zend_ast_create(ZEND_AST_ASSIGN, var_ast,
+ zend_ast_create_znode(value_node));
+ zend_compile_assign(&dummy_node, assign_ast TSRMLS_CC);
}
+ zend_do_free(&dummy_node TSRMLS_CC);
+}
+/* }}} */
- if (pass2) {
- DEC_BPC(op_array);
+static zend_op *zend_delayed_compile_dim(znode *result, zend_ast *ast, uint32_t type TSRMLS_DC) /* {{{ */
+{
+ zend_ast *var_ast = ast->child[0];
+ zend_ast *dim_ast = ast->child[1];
+
+ znode var_node, dim_node;
+
+ zend_delayed_compile_var(&var_node, var_ast, type TSRMLS_CC);
+ zend_separate_if_call_and_write(&var_node, var_ast, type TSRMLS_CC);
+
+ if (dim_ast == NULL) {
+ if (type == BP_VAR_R || type == BP_VAR_IS) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use [] for reading");
+ }
+ if (type == BP_VAR_UNSET) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use [] for unsetting");
+ }
+ dim_node.op_type = IS_UNUSED;
+ } else {
+ zend_compile_expr(&dim_node, dim_ast TSRMLS_CC);
+ zend_handle_numeric_op(&dim_node TSRMLS_CC);
}
+
+ return zend_delayed_emit_op(result, ZEND_FETCH_DIM_R, &var_node, &dim_node TSRMLS_CC);
}
/* }}} */
-void zend_do_goto(const znode *label TSRMLS_DC) /* {{{ */
+static inline zend_op *zend_compile_dim_common(znode *result, zend_ast *ast, uint32_t type TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ uint32_t offset = zend_delayed_compile_begin(TSRMLS_C);
+ zend_delayed_compile_dim(result, ast, type TSRMLS_CC);
+ return zend_delayed_compile_end(offset TSRMLS_CC);
+}
+/* }}} */
- opline->opcode = ZEND_GOTO;
- opline->extended_value = CG(context).current_brk_cont;
- SET_UNUSED(opline->op1);
- SET_NODE(opline->op2, label);
- zend_resolve_goto_label(CG(active_op_array), opline, 0 TSRMLS_CC);
+void zend_compile_dim(znode *result, zend_ast *ast, uint32_t type TSRMLS_DC) /* {{{ */
+{
+ zend_op *opline = zend_compile_dim_common(result, ast, type TSRMLS_CC);
+ zend_adjust_for_fetch_type(opline, type);
}
/* }}} */
-void zend_release_labels(int temporary TSRMLS_DC) /* {{{ */
+static zend_bool is_this_fetch(zend_ast *ast) /* {{{ */
{
- if (CG(context).labels) {
- zend_hash_destroy(CG(context).labels);
- FREE_HASHTABLE(CG(context).labels);
- CG(context).labels = NULL;
+ if (ast->kind == ZEND_AST_VAR && ast->child[0]->kind == ZEND_AST_ZVAL) {
+ zval *name = zend_ast_get_zval(ast->child[0]);
+ return Z_TYPE_P(name) == IS_STRING && zend_string_equals_literal(Z_STR_P(name), "this");
}
- if (!temporary && !zend_stack_is_empty(&CG(context_stack))) {
- zend_compiler_context *ctx;
- zend_stack_top(&CG(context_stack), (void**)&ctx);
- CG(context) = *ctx;
- zend_stack_del_top(&CG(context_stack));
- }
+ return 0;
}
/* }}} */
-void zend_do_build_full_name(znode *result, znode *prefix, znode *name, int is_class_member TSRMLS_DC) /* {{{ */
+static zend_op *zend_delayed_compile_prop(znode *result, zend_ast *ast, uint32_t type TSRMLS_DC) /* {{{ */
{
- zend_uint length;
+ zend_ast *obj_ast = ast->child[0];
+ zend_ast *prop_ast = ast->child[1];
- if (!result) {
- result = prefix;
+ znode obj_node, prop_node;
+ zend_op *opline;
+
+ if (is_this_fetch(obj_ast)) {
+ obj_node.op_type = IS_UNUSED;
} else {
- *result = *prefix;
+ zend_delayed_compile_var(&obj_node, obj_ast, type TSRMLS_CC);
+ zend_separate_if_call_and_write(&obj_node, obj_ast, type TSRMLS_CC);
}
+ zend_compile_expr(&prop_node, prop_ast TSRMLS_CC);
- if (is_class_member) {
- length = sizeof("::")-1 + Z_STRLEN(result->u.constant) + Z_STRLEN(name->u.constant);
- Z_STRVAL(result->u.constant) = erealloc(Z_STRVAL(result->u.constant), length+1);
- memcpy(&Z_STRVAL(result->u.constant)[Z_STRLEN(result->u.constant)], "::", sizeof("::")-1);
- memcpy(&Z_STRVAL(result->u.constant)[Z_STRLEN(result->u.constant) + sizeof("::")-1], Z_STRVAL(name->u.constant), Z_STRLEN(name->u.constant)+1);
- str_efree(Z_STRVAL(name->u.constant));
- Z_STRLEN(result->u.constant) = length;
- } else {
- length = sizeof("\\")-1 + Z_STRLEN(result->u.constant) + Z_STRLEN(name->u.constant);
- Z_STRVAL(result->u.constant) = erealloc(Z_STRVAL(result->u.constant), length+1);
- memcpy(&Z_STRVAL(result->u.constant)[Z_STRLEN(result->u.constant)], "\\", sizeof("\\")-1);
- memcpy(&Z_STRVAL(result->u.constant)[Z_STRLEN(result->u.constant) + sizeof("\\")-1], Z_STRVAL(name->u.constant), Z_STRLEN(name->u.constant)+1);
- str_efree(Z_STRVAL(name->u.constant));
- Z_STRLEN(result->u.constant) = length;
+ opline = zend_delayed_emit_op(result, ZEND_FETCH_OBJ_R, &obj_node, &prop_node TSRMLS_CC);
+ if (opline->op2_type == IS_CONST && Z_TYPE(CONSTANT(opline->op2.constant)) == IS_STRING) {
+ zend_alloc_polymorphic_cache_slot(opline->op2.constant TSRMLS_CC);
}
+
+ return opline;
+}
+/* }}} */
+
+static zend_op *zend_compile_prop_common(znode *result, zend_ast *ast, uint32_t type TSRMLS_DC) /* {{{ */
+{
+ uint32_t offset = zend_delayed_compile_begin(TSRMLS_C);
+ zend_delayed_compile_prop(result, ast, type TSRMLS_CC);
+ return zend_delayed_compile_end(offset TSRMLS_CC);
}
/* }}} */
-int zend_do_begin_class_member_function_call(znode *class_name, znode *method_name TSRMLS_DC) /* {{{ */
+void zend_compile_prop(znode *result, zend_ast *ast, uint32_t type TSRMLS_DC) /* {{{ */
{
- znode class_node;
- unsigned char *ptr = NULL;
+ zend_op *opline = zend_compile_prop_common(result, ast, type TSRMLS_CC);
+ zend_adjust_for_fetch_type(opline, type);
+}
+/* }}} */
+
+zend_op *zend_compile_static_prop_common(znode *result, zend_ast *ast, uint32_t type TSRMLS_DC) /* {{{ */
+{
+ zend_ast *class_ast = ast->child[0];
+ zend_ast *prop_ast = ast->child[1];
+
+ znode class_node, prop_node;
zend_op *opline;
- if (method_name->op_type == IS_CONST) {
- char *lcname;
- if (Z_TYPE(method_name->u.constant) != IS_STRING) {
- zend_error(E_COMPILE_ERROR, "Method name must be a string");
- }
- lcname = zend_str_tolower_dup(Z_STRVAL(method_name->u.constant), Z_STRLEN(method_name->u.constant));
- if ((sizeof(ZEND_CONSTRUCTOR_FUNC_NAME)-1) == Z_STRLEN(method_name->u.constant) &&
- memcmp(lcname, ZEND_CONSTRUCTOR_FUNC_NAME, sizeof(ZEND_CONSTRUCTOR_FUNC_NAME)-1) == 0) {
- zval_dtor(&method_name->u.constant);
- method_name->op_type = IS_UNUSED;
- }
- efree(lcname);
+ if (zend_is_const_default_class_ref(class_ast)) {
+ class_node.op_type = IS_CONST;
+ ZVAL_STR(&class_node.u.constant, zend_resolve_class_name_ast(class_ast TSRMLS_CC));
+ } else {
+ zend_compile_class_ref(&class_node, class_ast TSRMLS_CC);
}
- if (class_name->op_type == IS_CONST &&
- ZEND_FETCH_CLASS_DEFAULT == zend_get_class_fetch_type(Z_STRVAL(class_name->u.constant), Z_STRLEN(class_name->u.constant))) {
- zend_resolve_class_name(class_name TSRMLS_CC);
- class_node = *class_name;
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- } else {
- zend_do_fetch_class(&class_node, class_name TSRMLS_CC);
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->extended_value = class_node.EA ;
+ zend_compile_expr(&prop_node, prop_ast TSRMLS_CC);
+
+ opline = zend_emit_op(result, ZEND_FETCH_R, &prop_node, NULL TSRMLS_CC);
+ if (opline->op1_type == IS_CONST) {
+ zend_alloc_polymorphic_cache_slot(opline->op1.constant TSRMLS_CC);
}
- opline->opcode = ZEND_INIT_STATIC_METHOD_CALL;
- opline->result.num = CG(context).nested_calls;
if (class_node.op_type == IS_CONST) {
- opline->op1_type = IS_CONST;
- opline->op1.constant =
- zend_add_class_name_literal(CG(active_op_array), &class_node.u.constant TSRMLS_CC);
- } else {
- SET_NODE(opline->op1, &class_node);
- }
- if (method_name->op_type == IS_CONST) {
opline->op2_type = IS_CONST;
- opline->op2.constant =
- zend_add_func_name_literal(CG(active_op_array), &method_name->u.constant TSRMLS_CC);
- if (opline->op1_type == IS_CONST) {
- GET_CACHE_SLOT(opline->op2.constant);
- } else {
- GET_POLYMORPHIC_CACHE_SLOT(opline->op2.constant);
- }
+ opline->op2.constant = zend_add_class_name_literal(
+ CG(active_op_array), Z_STR(class_node.u.constant) TSRMLS_CC);
} else {
- SET_NODE(opline->op2, method_name);
+ SET_NODE(opline->op2, &class_node);
}
+ opline->extended_value |= ZEND_FETCH_STATIC_MEMBER;
- zend_stack_push(&CG(function_call_stack), (void *) &ptr, sizeof(zend_function *));
- if (++CG(context).nested_calls > CG(active_op_array)->nested_calls) {
- CG(active_op_array)->nested_calls = CG(context).nested_calls;
- }
- zend_do_extended_fcall_begin(TSRMLS_C);
- return 1; /* Dynamic */
+ return opline;
}
/* }}} */
-void zend_do_end_function_call(znode *function_name, znode *result, const znode *argument_list, int is_method, int is_dynamic_fcall TSRMLS_DC) /* {{{ */
+void zend_compile_static_prop(znode *result, zend_ast *ast, uint32_t type TSRMLS_DC) /* {{{ */
{
- zend_op *opline;
+ zend_op *opline = zend_compile_static_prop_common(result, ast, type TSRMLS_CC);
+ zend_adjust_for_fetch_type(opline, type);
+}
+/* }}} */
- if (is_method && function_name && function_name->op_type == IS_UNUSED) {
- /* clone */
- if (Z_LVAL(argument_list->u.constant) != 0) {
- zend_error(E_WARNING, "Clone method does not require arguments");
- }
- opline = &CG(active_op_array)->opcodes[Z_LVAL(function_name->u.constant)];
- } else {
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- if (!is_method && !is_dynamic_fcall && function_name->op_type==IS_CONST) {
- opline->opcode = ZEND_DO_FCALL;
- SET_NODE(opline->op1, function_name);
- SET_UNUSED(opline->op2);
- opline->op2.num = CG(context).nested_calls;
- CALCULATE_LITERAL_HASH(opline->op1.constant);
- GET_CACHE_SLOT(opline->op1.constant);
- } else {
- opline->opcode = ZEND_DO_FCALL_BY_NAME;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
- opline->op2.num = --CG(context).nested_calls;
- }
+static void zend_compile_list_assign(znode *result, zend_ast *ast, znode *expr_node TSRMLS_DC) /* {{{ */
+{
+ zend_ast_list *list = zend_ast_get_list(ast);
+ uint32_t i;
+
+ if (list->children == 1 && !list->child[0]) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use empty list");
}
- opline->result.var = get_temporary_variable(CG(active_op_array));
- opline->result_type = IS_VAR;
- GET_NODE(result, opline->result);
+ for (i = 0; i < list->children; ++i) {
+ zend_ast *var_ast = list->child[i];
+ znode fetch_result, dim_node;
+
+ if (var_ast == NULL) {
+ continue;
+ }
- zend_stack_del_top(&CG(function_call_stack));
- opline->extended_value = Z_LVAL(argument_list->u.constant);
+ dim_node.op_type = IS_CONST;
+ ZVAL_LONG(&dim_node.u.constant, i);
- if (CG(context).used_stack + 1 > CG(active_op_array)->used_stack) {
- CG(active_op_array)->used_stack = CG(context).used_stack + 1;
+ if (expr_node->op_type == IS_CONST) {
+ Z_TRY_ADDREF(expr_node->u.constant);
+ }
+
+ zend_emit_op(&fetch_result, ZEND_FETCH_LIST, expr_node, &dim_node TSRMLS_CC);
+ zend_emit_assign_znode(var_ast, &fetch_result TSRMLS_CC);
}
- CG(context).used_stack -= Z_LVAL(argument_list->u.constant);
+ *result = *expr_node;
}
/* }}} */
-void zend_do_pass_param(znode *param, zend_uchar op, int offset TSRMLS_DC) /* {{{ */
+void zend_ensure_writable_variable(const zend_ast *ast) /* {{{ */
{
- zend_op *opline;
- int original_op=op;
- zend_function **function_ptr_ptr, *function_ptr;
- int send_by_reference;
- int send_function = 0;
-
- zend_stack_top(&CG(function_call_stack), (void **) &function_ptr_ptr);
- function_ptr = *function_ptr_ptr;
-
- if (original_op == ZEND_SEND_REF) {
- if (function_ptr &&
- function_ptr->common.function_name &&
- function_ptr->common.type == ZEND_USER_FUNCTION &&
- !ARG_SHOULD_BE_SENT_BY_REF(function_ptr, (zend_uint) offset)) {
- zend_error(E_COMPILE_ERROR,
- "Call-time pass-by-reference has been removed; "
- "If you would like to pass argument by reference, modify the declaration of %s().",
- function_ptr->common.function_name);
- } else {
- zend_error(E_COMPILE_ERROR, "Call-time pass-by-reference has been removed");
- }
- return;
+ if (ast->kind == ZEND_AST_CALL) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Can't use function return value in write context");
}
-
- if (function_ptr) {
- if (ARG_MAY_BE_SENT_BY_REF(function_ptr, (zend_uint) offset)) {
- if (param->op_type & (IS_VAR|IS_CV) && original_op != ZEND_SEND_VAL) {
- send_by_reference = 1;
- if (op == ZEND_SEND_VAR && zend_is_function_or_method_call(param)) {
- /* Method call */
- op = ZEND_SEND_VAR_NO_REF;
- send_function = ZEND_ARG_SEND_FUNCTION | ZEND_ARG_SEND_SILENT;
- }
- } else {
- op = ZEND_SEND_VAL;
- send_by_reference = 0;
- }
- } else {
- send_by_reference = ARG_SHOULD_BE_SENT_BY_REF(function_ptr, (zend_uint) offset) ? ZEND_ARG_SEND_BY_REF : 0;
- }
- } else {
- send_by_reference = 0;
- }
-
- if (op == ZEND_SEND_VAR && zend_is_function_or_method_call(param)) {
- /* Method call */
- op = ZEND_SEND_VAR_NO_REF;
- send_function = ZEND_ARG_SEND_FUNCTION;
- } else if (op == ZEND_SEND_VAL && (param->op_type & (IS_VAR|IS_CV))) {
- op = ZEND_SEND_VAR_NO_REF;
+ if (ast->kind == ZEND_AST_METHOD_CALL || ast->kind == ZEND_AST_STATIC_CALL) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Can't use method return value in write context");
}
+}
+/* }}} */
- if (op!=ZEND_SEND_VAR_NO_REF && send_by_reference==ZEND_ARG_SEND_BY_REF) {
- /* change to passing by reference */
- switch (param->op_type) {
- case IS_VAR:
- case IS_CV:
- op = ZEND_SEND_REF;
- break;
- default:
- zend_error(E_COMPILE_ERROR, "Only variables can be passed by reference");
- break;
- }
+/* Detects $a... = $a pattern */
+zend_bool zend_is_assign_to_self(zend_ast *var_ast, zend_ast *expr_ast TSRMLS_DC) /* {{{ */
+{
+ if (expr_ast->kind != ZEND_AST_VAR || expr_ast->child[0]->kind != ZEND_AST_ZVAL) {
+ return 0;
}
- if (original_op == ZEND_SEND_VAR) {
- switch (op) {
- case ZEND_SEND_VAR_NO_REF:
- zend_do_end_variable_parse(param, BP_VAR_R, 0 TSRMLS_CC);
- break;
- case ZEND_SEND_VAR:
- if (function_ptr) {
- zend_do_end_variable_parse(param, BP_VAR_R, 0 TSRMLS_CC);
- } else {
- zend_do_end_variable_parse(param, BP_VAR_FUNC_ARG, offset TSRMLS_CC);
- }
- break;
- case ZEND_SEND_REF:
- zend_do_end_variable_parse(param, BP_VAR_W, 0 TSRMLS_CC);
- break;
- }
+ while (zend_is_variable(var_ast) && var_ast->kind != ZEND_AST_VAR) {
+ var_ast = var_ast->child[0];
}
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
-
- if (op == ZEND_SEND_VAR_NO_REF) {
- if (function_ptr) {
- opline->extended_value = ZEND_ARG_COMPILE_TIME_BOUND | send_by_reference | send_function;
- } else {
- opline->extended_value = send_function;
- }
- } else {
- if (function_ptr) {
- opline->extended_value = ZEND_DO_FCALL;
- } else {
- opline->extended_value = ZEND_DO_FCALL_BY_NAME;
- }
+ if (var_ast->kind != ZEND_AST_VAR || var_ast->child[0]->kind != ZEND_AST_ZVAL) {
+ return 0;
}
- opline->opcode = op;
- SET_NODE(opline->op1, param);
- opline->op2.opline_num = offset;
- SET_UNUSED(opline->op2);
- if (++CG(context).used_stack > CG(active_op_array)->used_stack) {
- CG(active_op_array)->used_stack = CG(context).used_stack;
+ {
+ zend_string *name1 = zval_get_string(zend_ast_get_zval(var_ast->child[0]));
+ zend_string *name2 = zval_get_string(zend_ast_get_zval(expr_ast->child[0]));
+ zend_bool result = zend_string_equals(name1, name2);
+ zend_string_release(name1);
+ zend_string_release(name2);
+ return result;
}
}
/* }}} */
-static int generate_free_switch_expr(const zend_switch_entry *switch_entry TSRMLS_DC) /* {{{ */
+void zend_compile_assign(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
+ zend_ast *var_ast = ast->child[0];
+ zend_ast *expr_ast = ast->child[1];
+
+ znode var_node, expr_node;
zend_op *opline;
+ uint32_t offset;
- if (switch_entry->cond.op_type != IS_VAR && switch_entry->cond.op_type != IS_TMP_VAR) {
- return (switch_entry->cond.op_type == IS_UNUSED);
+ if (is_this_fetch(var_ast)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot re-assign $this");
}
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_ensure_writable_variable(var_ast);
- opline->opcode = (switch_entry->cond.op_type == IS_TMP_VAR) ? ZEND_FREE : ZEND_SWITCH_FREE;
- SET_NODE(opline->op1, &switch_entry->cond);
- SET_UNUSED(opline->op2);
-
- return 0;
-}
-/* }}} */
+ switch (var_ast->kind) {
+ case ZEND_AST_VAR:
+ case ZEND_AST_STATIC_PROP:
+ zend_compile_var(&var_node, var_ast, BP_VAR_W TSRMLS_CC);
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
+ zend_emit_op(result, ZEND_ASSIGN, &var_node, &expr_node TSRMLS_CC);
+ return;
+ case ZEND_AST_DIM:
+ offset = zend_delayed_compile_begin(TSRMLS_C);
+ zend_delayed_compile_dim(result, var_ast, BP_VAR_W TSRMLS_CC);
-static int generate_free_foreach_copy(const zend_op *foreach_copy TSRMLS_DC) /* {{{ */
-{
- zend_op *opline;
+ if (zend_is_assign_to_self(var_ast, expr_ast TSRMLS_CC)) {
+ /* $a[0] = $a should evaluate the right $a first */
+ zend_compile_simple_var_no_cv(&expr_node, expr_ast, BP_VAR_R TSRMLS_CC);
+ } else {
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
+ }
- /* If we reach the separator then stop applying the stack */
- if (foreach_copy->result_type == IS_UNUSED) {
- return 1;
- }
+ opline = zend_delayed_compile_end(offset TSRMLS_CC);
+ opline->opcode = ZEND_ASSIGN_DIM;
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ opline = zend_emit_op_data(&expr_node TSRMLS_CC);
+ opline->op2.var = get_temporary_variable(CG(active_op_array));
+ opline->op2_type = IS_VAR;
+ return;
+ case ZEND_AST_PROP:
+ offset = zend_delayed_compile_begin(TSRMLS_C);
+ zend_delayed_compile_prop(result, var_ast, BP_VAR_W TSRMLS_CC);
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
- opline->opcode = (foreach_copy->result_type == IS_TMP_VAR) ? ZEND_FREE : ZEND_SWITCH_FREE;
- COPY_NODE(opline->op1, foreach_copy->result);
- SET_UNUSED(opline->op2);
+ opline = zend_delayed_compile_end(offset TSRMLS_CC);
+ opline->opcode = ZEND_ASSIGN_OBJ;
- return 0;
+ zend_emit_op_data(&expr_node TSRMLS_CC);
+ return;
+ case ZEND_AST_LIST:
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
+ zend_compile_list_assign(result, var_ast, &expr_node TSRMLS_CC);
+ return;
+ EMPTY_SWITCH_DEFAULT_CASE();
+ }
}
/* }}} */
-void zend_do_return(znode *expr, int do_end_vparse TSRMLS_DC) /* {{{ */
+void zend_compile_assign_ref(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *opline;
- int start_op_number, end_op_number;
- zend_bool returns_reference = (CG(active_op_array)->fn_flags & ZEND_ACC_RETURN_REFERENCE) != 0;
+ zend_ast *target_ast = ast->child[0];
+ zend_ast *source_ast = ast->child[1];
- /* The error for use of return inside a generator is thrown in pass_two. */
+ znode target_node, source_node;
+ zend_op *opline;
- if (do_end_vparse) {
- if (returns_reference && !zend_is_function_or_method_call(expr)) {
- zend_do_end_variable_parse(expr, BP_VAR_W, 0 TSRMLS_CC);
- } else {
- zend_do_end_variable_parse(expr, BP_VAR_R, 0 TSRMLS_CC);
- }
+ if (is_this_fetch(target_ast)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot re-assign $this");
}
+ zend_ensure_writable_variable(target_ast);
- start_op_number = get_next_op_number(CG(active_op_array));
-
-#ifdef ZTS
- zend_stack_apply_with_argument(&CG(switch_cond_stack), ZEND_STACK_APPLY_TOPDOWN, (int (*)(void *element, void *)) generate_free_switch_expr TSRMLS_CC);
- zend_stack_apply_with_argument(&CG(foreach_copy_stack), ZEND_STACK_APPLY_TOPDOWN, (int (*)(void *element, void *)) generate_free_foreach_copy TSRMLS_CC);
-#else
- zend_stack_apply(&CG(switch_cond_stack), ZEND_STACK_APPLY_TOPDOWN, (int (*)(void *element)) generate_free_switch_expr);
- zend_stack_apply(&CG(foreach_copy_stack), ZEND_STACK_APPLY_TOPDOWN, (int (*)(void *element)) generate_free_foreach_copy);
-#endif
+ zend_compile_var(&target_node, target_ast, BP_VAR_W TSRMLS_CC);
+ zend_compile_var(&source_node, source_ast, BP_VAR_REF TSRMLS_CC);
- end_op_number = get_next_op_number(CG(active_op_array));
- while (start_op_number < end_op_number) {
- CG(active_op_array)->opcodes[start_op_number].extended_value |= EXT_TYPE_FREE_ON_RETURN;
- start_op_number++;
+ if (source_node.op_type != IS_VAR && zend_is_call(source_ast)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use result of built-in function in write context");
}
- if (CG(context).in_finally) {
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_DISCARD_EXCEPTION;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
+ opline = zend_emit_op(result, ZEND_ASSIGN_REF, &target_node, &source_node TSRMLS_CC);
+ if (!result) {
+ opline->result_type |= EXT_TYPE_UNUSED;
}
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
-
- opline->opcode = returns_reference ? ZEND_RETURN_BY_REF : ZEND_RETURN;
-
- if (expr) {
- SET_NODE(opline->op1, expr);
-
- if (do_end_vparse && zend_is_function_or_method_call(expr)) {
- opline->extended_value = ZEND_RETURNS_FUNCTION;
- }
- } else {
- opline->op1_type = IS_CONST;
- LITERAL_NULL(opline->op1);
+ if (zend_is_call(source_ast)) {
+ opline->extended_value = ZEND_RETURNS_FUNCTION;
+ } else if (source_ast->kind == ZEND_AST_NEW) {
+ zend_error(E_DEPRECATED, "Assigning the return value of new by reference is deprecated");
+ opline->extended_value = ZEND_RETURNS_NEW;
}
+}
+/* }}} */
- SET_UNUSED(opline->op2);
+static inline void zend_emit_assign_ref_znode(zend_ast *var_ast, znode *value_node TSRMLS_DC) /* {{{ */
+{
+ zend_ast *assign_ast = zend_ast_create(ZEND_AST_ASSIGN_REF, var_ast,
+ zend_ast_create_znode(value_node));
+ zend_compile_assign_ref(NULL, assign_ast TSRMLS_CC);
}
/* }}} */
-void zend_do_yield(znode *result, znode *value, const znode *key, zend_bool is_variable TSRMLS_DC) /* {{{ */
+void zend_compile_compound_assign(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
+ zend_ast *var_ast = ast->child[0];
+ zend_ast *expr_ast = ast->child[1];
+ uint32_t opcode = ast->attr;
+
+ znode var_node, expr_node;
zend_op *opline;
+ uint32_t offset;
- if (!CG(active_op_array)->function_name) {
- zend_error(E_COMPILE_ERROR, "The \"yield\" expression can only be used inside a function");
- }
+ zend_ensure_writable_variable(var_ast);
- CG(active_op_array)->fn_flags |= ZEND_ACC_GENERATOR;
+ switch (var_ast->kind) {
+ case ZEND_AST_VAR:
+ case ZEND_AST_STATIC_PROP:
+ zend_compile_var(&var_node, var_ast, BP_VAR_RW TSRMLS_CC);
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
+ zend_emit_op(result, opcode, &var_node, &expr_node TSRMLS_CC);
+ return;
+ case ZEND_AST_DIM:
+ offset = zend_delayed_compile_begin(TSRMLS_C);
+ zend_delayed_compile_dim(result, var_ast, BP_VAR_RW TSRMLS_CC);
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
+
+ opline = zend_delayed_compile_end(offset TSRMLS_CC);
+ opline->opcode = opcode;
+ opline->extended_value = ZEND_ASSIGN_DIM;
+
+ opline = zend_emit_op_data(&expr_node TSRMLS_CC);
+ opline->op2.var = get_temporary_variable(CG(active_op_array));
+ opline->op2_type = IS_VAR;
+ return;
+ case ZEND_AST_PROP:
+ offset = zend_delayed_compile_begin(TSRMLS_C);
+ zend_delayed_compile_prop(result, var_ast, BP_VAR_RW TSRMLS_CC);
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
- if (is_variable) {
- if ((CG(active_op_array)->fn_flags & ZEND_ACC_RETURN_REFERENCE) && !zend_is_function_or_method_call(value)) {
- zend_do_end_variable_parse(value, BP_VAR_W, 0 TSRMLS_CC);
- } else {
- zend_do_end_variable_parse(value, BP_VAR_R, 0 TSRMLS_CC);
- }
- }
+ opline = zend_delayed_compile_end(offset TSRMLS_CC);
+ opline->opcode = opcode;
+ opline->extended_value = ZEND_ASSIGN_OBJ;
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_emit_op_data(&expr_node TSRMLS_CC);
+ return;
+ EMPTY_SWITCH_DEFAULT_CASE()
+ }
+}
+/* }}} */
- opline->opcode = ZEND_YIELD;
+uint32_t zend_compile_args(zend_ast *ast, zend_function *fbc TSRMLS_DC) /* {{{ */
+{
+ /* TODO.AST &var error */
+ zend_ast_list *args = zend_ast_get_list(ast);
+ uint32_t i;
+ zend_bool uses_arg_unpack = 0;
+ uint32_t arg_count = 0; /* number of arguments not including unpacks */
- if (value) {
- SET_NODE(opline->op1, value);
+ for (i = 0; i < args->children; ++i) {
+ zend_ast *arg = args->child[i];
+ uint32_t arg_num = i + 1;
- if (is_variable && zend_is_function_or_method_call(value)) {
- opline->extended_value = ZEND_RETURNS_FUNCTION;
+ znode arg_node;
+ zend_op *opline;
+ zend_uchar opcode;
+ zend_ulong flags = 0;
+
+ if (arg->kind == ZEND_AST_UNPACK) {
+ uses_arg_unpack = 1;
+ fbc = NULL;
+
+ zend_compile_expr(&arg_node, arg->child[0] TSRMLS_CC);
+ opline = zend_emit_op(NULL, ZEND_SEND_UNPACK, &arg_node, NULL TSRMLS_CC);
+ opline->op2.num = arg_count;
+ continue;
+ }
+
+ if (uses_arg_unpack) {
+ zend_error_noreturn(E_COMPILE_ERROR,
+ "Cannot use positional argument after argument unpacking");
+ }
+
+ arg_count++;
+ if (zend_is_variable(arg)) {
+ if (zend_is_call(arg)) {
+ zend_compile_var(&arg_node, arg, BP_VAR_R TSRMLS_CC);
+ if (arg_node.op_type & (IS_CONST|IS_TMP_VAR)) {
+ /* Function call was converted into builtin instruction */
+ opcode = ZEND_SEND_VAL;
+ } else {
+ opcode = ZEND_SEND_VAR_NO_REF;
+ flags |= ZEND_ARG_SEND_FUNCTION;
+ if (fbc && ARG_SHOULD_BE_SENT_BY_REF(fbc, arg_num)) {
+ flags |= ZEND_ARG_SEND_BY_REF;
+ if (ARG_MAY_BE_SENT_BY_REF(fbc, arg_num)) {
+ flags |= ZEND_ARG_SEND_SILENT;
+ }
+ }
+ }
+ } else if (fbc) {
+ if (ARG_SHOULD_BE_SENT_BY_REF(fbc, arg_num)) {
+ zend_compile_var(&arg_node, arg, BP_VAR_W TSRMLS_CC);
+ opcode = ZEND_SEND_REF;
+ } else {
+ zend_compile_var(&arg_node, arg, BP_VAR_R TSRMLS_CC);
+ opcode = ZEND_SEND_VAR;
+ }
+ } else {
+ zend_compile_var(&arg_node, arg,
+ BP_VAR_FUNC_ARG | (arg_num << BP_VAR_SHIFT) TSRMLS_CC);
+ opcode = ZEND_SEND_VAR_EX;
+ }
+ } else {
+ zend_compile_expr(&arg_node, arg TSRMLS_CC);
+ if (arg_node.op_type & (IS_VAR|IS_CV)) {
+ opcode = ZEND_SEND_VAR_NO_REF;
+ if (fbc && ARG_MUST_BE_SENT_BY_REF(fbc, arg_num)) {
+ flags |= ZEND_ARG_SEND_BY_REF;
+ }
+ } else {
+ if (fbc) {
+ opcode = ZEND_SEND_VAL;
+ if (ARG_MUST_BE_SENT_BY_REF(fbc, arg_num)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Only variables can be passed by reference");
+ }
+ } else {
+ opcode = ZEND_SEND_VAL_EX;
+ }
+ }
}
- } else {
- SET_UNUSED(opline->op1);
- }
- if (key) {
- SET_NODE(opline->op2, key);
- } else {
+ opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ opline->opcode = opcode;
+ SET_NODE(opline->op1, &arg_node);
SET_UNUSED(opline->op2);
+ opline->op2.opline_num = arg_num;
+
+ if (opcode == ZEND_SEND_VAR_NO_REF) {
+ if (fbc) {
+ flags |= ZEND_ARG_COMPILE_TIME_BOUND;
+ }
+ opline->extended_value = flags;
+ } else if (fbc) {
+ opline->extended_value = ZEND_ARG_COMPILE_TIME_BOUND;
+ }
}
- opline->result_type = IS_TMP_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- GET_NODE(result, opline->result);
+ return arg_count;
}
/* }}} */
-static int zend_add_try_element(zend_uint try_op TSRMLS_DC) /* {{{ */
+void zend_compile_call_common(znode *result, zend_ast *args_ast, zend_function *fbc TSRMLS_DC) /* {{{ */
{
- int try_catch_offset = CG(active_op_array)->last_try_catch++;
+ zend_op *opline;
+ uint32_t opnum_init = get_next_op_number(CG(active_op_array)) - 1;
+ uint32_t arg_count;
+ uint32_t call_flags;
- CG(active_op_array)->try_catch_array = erealloc(CG(active_op_array)->try_catch_array, sizeof(zend_try_catch_element)*CG(active_op_array)->last_try_catch);
- CG(active_op_array)->try_catch_array[try_catch_offset].try_op = try_op;
- CG(active_op_array)->try_catch_array[try_catch_offset].catch_op = 0;
- CG(active_op_array)->try_catch_array[try_catch_offset].finally_op = 0;
- CG(active_op_array)->try_catch_array[try_catch_offset].finally_end = 0;
- return try_catch_offset;
-}
-/* }}} */
+ zend_do_extended_fcall_begin(TSRMLS_C);
-static void zend_add_catch_element(int offset, zend_uint catch_op TSRMLS_DC) /* {{{ */
-{
- CG(active_op_array)->try_catch_array[offset].catch_op = catch_op;
+ arg_count = zend_compile_args(args_ast, fbc TSRMLS_CC);
+
+ opline = &CG(active_op_array)->opcodes[opnum_init];
+ opline->extended_value = arg_count;
+
+ call_flags = (opline->opcode == ZEND_NEW ? ZEND_CALL_CTOR : 0);
+ opline = zend_emit_op(result, ZEND_DO_FCALL, NULL, NULL TSRMLS_CC);
+ opline->op1.num = call_flags;
+
+ zend_do_extended_fcall_end(TSRMLS_C);
}
/* }}} */
-void zend_do_first_catch(znode *open_parentheses TSRMLS_DC) /* {{{ */
+zend_bool zend_compile_function_name(znode *name_node, zend_ast *name_ast TSRMLS_DC) /* {{{ */
{
- open_parentheses->u.op.opline_num = get_next_op_number(CG(active_op_array));
+ zend_string *orig_name = zend_ast_get_str(name_ast);
+ zend_bool is_fully_qualified;
+
+ name_node->op_type = IS_CONST;
+ ZVAL_STR(&name_node->u.constant, zend_resolve_function_name(
+ orig_name, name_ast->attr, &is_fully_qualified TSRMLS_CC));
+
+ return !is_fully_qualified && CG(current_namespace);
}
/* }}} */
-void zend_initialize_try_catch_element(znode *catch_token TSRMLS_DC) /* {{{ */
+void zend_compile_ns_call(znode *result, znode *name_node, zend_ast *args_ast TSRMLS_DC) /* {{{ */
{
- int jmp_op_number = get_next_op_number(CG(active_op_array));
zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- zend_llist jmp_list;
- zend_llist *jmp_list_ptr;
-
- opline->opcode = ZEND_JMP;
+ opline->opcode = ZEND_INIT_NS_FCALL_BY_NAME;
SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
- /* save for backpatching */
-
- zend_llist_init(&jmp_list, sizeof(int), NULL, 0);
- zend_stack_push(&CG(bp_stack), (void *) &jmp_list, sizeof(zend_llist));
- zend_stack_top(&CG(bp_stack), (void **) &jmp_list_ptr);
- zend_llist_add_element(jmp_list_ptr, &jmp_op_number);
+ opline->op2_type = IS_CONST;
+ opline->op2.constant = zend_add_ns_func_name_literal(
+ CG(active_op_array), Z_STR(name_node->u.constant) TSRMLS_CC);
+ zend_alloc_cache_slot(opline->op2.constant TSRMLS_CC);
- catch_token->EA = get_next_op_number(CG(active_op_array));
+ zend_compile_call_common(result, args_ast, NULL TSRMLS_CC);
}
/* }}} */
-void zend_do_mark_last_catch(const znode *first_catch, const znode *last_additional_catch TSRMLS_DC) /* {{{ */
+void zend_compile_dynamic_call(znode *result, znode *name_node, zend_ast *args_ast TSRMLS_DC) /* {{{ */
{
- CG(active_op_array)->last--;
- zend_do_if_end(TSRMLS_C);
- if (last_additional_catch->u.op.opline_num == -1) {
- CG(active_op_array)->opcodes[first_catch->u.op.opline_num].result.num = 1;
- CG(active_op_array)->opcodes[first_catch->u.op.opline_num].extended_value = get_next_op_number(CG(active_op_array));
+ zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ opline->opcode = ZEND_INIT_FCALL_BY_NAME;
+ SET_UNUSED(opline->op1);
+ if (name_node->op_type == IS_CONST && Z_TYPE(name_node->u.constant) == IS_STRING) {
+ opline->op2_type = IS_CONST;
+ opline->op2.constant = zend_add_func_name_literal(CG(active_op_array),
+ Z_STR(name_node->u.constant) TSRMLS_CC);
+ zend_alloc_cache_slot(opline->op2.constant TSRMLS_CC);
} else {
- CG(active_op_array)->opcodes[last_additional_catch->u.op.opline_num].result.num = 1;
- CG(active_op_array)->opcodes[last_additional_catch->u.op.opline_num].extended_value = get_next_op_number(CG(active_op_array));
+ SET_NODE(opline->op2, name_node);
}
- DEC_BPC(CG(active_op_array));
+
+ zend_compile_call_common(result, args_ast, NULL TSRMLS_CC);
}
/* }}} */
-void zend_do_try(znode *try_token TSRMLS_DC) /* {{{ */
+static zend_bool zend_args_contain_unpack(zend_ast_list *args) /* {{{ */
{
- try_token->u.op.opline_num = zend_add_try_element(get_next_op_number(CG(active_op_array)) TSRMLS_CC);
- INC_BPC(CG(active_op_array));
+ uint32_t i;
+ for (i = 0; i < args->children; ++i) {
+ if (args->child[i]->kind == ZEND_AST_UNPACK) {
+ return 1;
+ }
+ }
+ return 0;
}
/* }}} */
-void zend_do_finally(znode *finally_token TSRMLS_DC) /* {{{ */
+int zend_compile_func_strlen(znode *result, zend_ast_list *args TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ znode arg_node;
- finally_token->u.op.opline_num = get_next_op_number(CG(active_op_array));
- /* call the the "finally" block */
- opline->opcode = ZEND_FAST_CALL;
- SET_UNUSED(opline->op1);
- opline->op1.opline_num = finally_token->u.op.opline_num + 1;
- SET_UNUSED(opline->op2);
- /* jump to code after the "finally" block,
- * the actual jump address is going to be set in zend_do_end_finally()
- */
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_JMP;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
+ if ((CG(compiler_options) & ZEND_COMPILE_NO_BUILTIN_STRLEN)
+ || args->children != 1 || args->child[0]->kind == ZEND_AST_UNPACK
+ ) {
+ return FAILURE;
+ }
- CG(context).in_finally++;
+ zend_compile_expr(&arg_node, args->child[0] TSRMLS_CC);
+ zend_emit_op_tmp(result, ZEND_STRLEN, &arg_node, NULL TSRMLS_CC);
+ return SUCCESS;
}
/* }}} */
-void zend_do_begin_catch(znode *catch_token, znode *class_name, znode *catch_var, znode *first_catch TSRMLS_DC) /* {{{ */
+int zend_compile_func_typecheck(znode *result, zend_ast_list *args, uint32_t type TSRMLS_DC) /* {{{ */
{
- long catch_op_number;
+ znode arg_node;
zend_op *opline;
- znode catch_class;
-
- if (class_name->op_type == IS_CONST &&
- ZEND_FETCH_CLASS_DEFAULT == zend_get_class_fetch_type(Z_STRVAL(class_name->u.constant), Z_STRLEN(class_name->u.constant))) {
- zend_resolve_class_name(class_name TSRMLS_CC);
- catch_class = *class_name;
- } else {
- zend_error(E_COMPILE_ERROR, "Bad class name in the catch statement");
- }
- catch_op_number = get_next_op_number(CG(active_op_array));
- if (first_catch) {
- first_catch->u.op.opline_num = catch_op_number;
+ if (args->children != 1 || args->child[0]->kind == ZEND_AST_UNPACK) {
+ return FAILURE;
}
-
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_CATCH;
- opline->op1_type = IS_CONST;
- opline->op1.constant = zend_add_class_name_literal(CG(active_op_array), &catch_class.u.constant TSRMLS_CC);
- opline->op2_type = IS_CV;
- opline->op2.var = lookup_cv(CG(active_op_array), Z_STRVAL(catch_var->u.constant), Z_STRLEN(catch_var->u.constant), 0 TSRMLS_CC);
- Z_STRVAL(catch_var->u.constant) = (char*)CG(active_op_array)->vars[opline->op2.var].name;
- opline->result.num = 0; /* 1 means it's the last catch in the block */
-
- catch_token->u.op.opline_num = catch_op_number;
+
+ zend_compile_expr(&arg_node, args->child[0] TSRMLS_CC);
+ opline = zend_emit_op_tmp(result, ZEND_TYPE_CHECK, &arg_node, NULL TSRMLS_CC);
+ opline->extended_value = type;
+ return SUCCESS;
}
/* }}} */
-void zend_do_end_catch(znode *catch_token TSRMLS_DC) /* {{{ */
+int zend_compile_func_defined(znode *result, zend_ast_list *args TSRMLS_DC) /* {{{ */
{
- int jmp_op_number = get_next_op_number(CG(active_op_array));
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- zend_llist *jmp_list_ptr;
+ zend_string *name;
+ zend_op *opline;
- opline->opcode = ZEND_JMP;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
- /* save for backpatching */
+ if (args->children != 1 || args->child[0]->kind != ZEND_AST_ZVAL) {
+ return FAILURE;
+ }
- zend_stack_top(&CG(bp_stack), (void **) &jmp_list_ptr);
- zend_llist_add_element(jmp_list_ptr, &jmp_op_number);
+ name = zval_get_string(zend_ast_get_zval(args->child[0]));
+ if (zend_memrchr(name->val, '\\', name->len) || zend_memrchr(name->val, ':', name->len)) {
+ zend_string_release(name);
+ return FAILURE;
+ }
- CG(active_op_array)->opcodes[catch_token->u.op.opline_num].extended_value = get_next_op_number(CG(active_op_array));
-}
-/* }}} */
+ opline = zend_emit_op_tmp(result, ZEND_DEFINED, NULL, NULL TSRMLS_CC);
+ opline->op1_type = IS_CONST;
+ LITERAL_STR(opline->op1, name);
+ zend_alloc_cache_slot(opline->op1.constant TSRMLS_CC);
-void zend_do_bind_catch(znode *try_token, znode *catch_token TSRMLS_DC) /* {{{ */ {
- if (catch_token->op_type != IS_UNUSED) {
- zend_add_catch_element(try_token->u.op.opline_num, catch_token->EA TSRMLS_CC);
+ /* Lowercase constant name in a separate literal */
+ {
+ zval c;
+ zend_string *lcname = zend_string_alloc(name->len, 0);
+ zend_str_tolower_copy(lcname->val, name->val, name->len);
+ ZVAL_NEW_STR(&c, lcname);
+ zend_add_literal(CG(active_op_array), &c TSRMLS_CC);
}
+ return SUCCESS;
}
/* }}} */
-void zend_do_end_finally(znode *try_token, znode* catch_token, znode *finally_token TSRMLS_DC) /* {{{ */
+static int zend_try_compile_ct_bound_init_user_func(zend_ast *name_ast, uint32_t num_args TSRMLS_DC) /* {{{ */
{
- if (catch_token->op_type == IS_UNUSED && finally_token->op_type == IS_UNUSED) {
- zend_error(E_COMPILE_ERROR, "Cannot use try without catch or finally");
+ zend_string *name, *lcname;
+ zend_function *fbc;
+ zend_op *opline;
+
+ if (name_ast->kind != ZEND_AST_ZVAL || Z_TYPE_P(zend_ast_get_zval(name_ast)) != IS_STRING) {
+ return FAILURE;
}
- if (finally_token->op_type != IS_UNUSED) {
- zend_op *opline;
- CG(active_op_array)->try_catch_array[try_token->u.op.opline_num].finally_op = finally_token->u.op.opline_num + 1;
- CG(active_op_array)->try_catch_array[try_token->u.op.opline_num].finally_end = get_next_op_number(CG(active_op_array));
- CG(active_op_array)->has_finally_block = 1;
+ name = zend_ast_get_str(name_ast);
+ lcname = zend_string_alloc(name->len, 0);
+ zend_str_tolower_copy(lcname->val, name->val, name->len);
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_FAST_RET;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
+ fbc = zend_hash_find_ptr(CG(function_table), lcname);
+ if (!fbc || (fbc->type == ZEND_INTERNAL_FUNCTION &&
+ (CG(compiler_options) & ZEND_COMPILE_IGNORE_INTERNAL_FUNCTIONS))
+ ) {
+ zend_string_free(lcname);
+ return FAILURE;
+ }
- CG(active_op_array)->opcodes[finally_token->u.op.opline_num].op1.opline_num = get_next_op_number(CG(active_op_array));
+ opline = zend_emit_op(NULL, ZEND_INIT_FCALL, NULL, NULL TSRMLS_CC);
+ opline->extended_value = num_args;
- CG(context).in_finally--;
- }
+ opline->op2_type = IS_CONST;
+ LITERAL_STR(opline->op2, lcname);
+ zend_alloc_cache_slot(opline->op2.constant TSRMLS_CC);
+
+ return SUCCESS;
}
/* }}} */
-void zend_do_throw(const znode *expr TSRMLS_DC) /* {{{ */
+static void zend_compile_init_user_func(zend_ast *name_ast, uint32_t num_args, zend_string *orig_func_name TSRMLS_DC) /* {{{ */
{
zend_op *opline;
+ znode name_node;
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_THROW;
- SET_NODE(opline->op1, expr);
- SET_UNUSED(opline->op2);
+ if (zend_try_compile_ct_bound_init_user_func(name_ast, num_args TSRMLS_CC) == SUCCESS) {
+ return;
+ }
+
+ zend_compile_expr(&name_node, name_ast TSRMLS_CC);
+
+ opline = zend_emit_op(NULL, ZEND_INIT_USER_CALL, NULL, &name_node TSRMLS_CC);
+ opline->op1_type = IS_CONST;
+ LITERAL_STR(opline->op1, zend_string_copy(orig_func_name));
+ opline->extended_value = num_args;
}
/* }}} */
-ZEND_API void function_add_ref(zend_function *function) /* {{{ */
+/* cufa = call_user_func_array */
+int zend_compile_func_cufa(znode *result, zend_ast_list *args, zend_string *lcname TSRMLS_DC) /* {{{ */
{
- if (function->type == ZEND_USER_FUNCTION) {
- zend_op_array *op_array = &function->op_array;
+ znode arg_node;
- (*op_array->refcount)++;
- if (op_array->static_variables) {
- HashTable *static_variables = op_array->static_variables;
- zval *tmp_zval;
-
- ALLOC_HASHTABLE(op_array->static_variables);
- zend_hash_init(op_array->static_variables, zend_hash_num_elements(static_variables), NULL, ZVAL_PTR_DTOR, 0);
- zend_hash_copy(op_array->static_variables, static_variables, (copy_ctor_func_t) zval_add_ref, (void *) &tmp_zval, sizeof(zval *));
- }
- op_array->run_time_cache = NULL;
+ if (args->children != 2 || zend_args_contain_unpack(args)) {
+ return FAILURE;
}
+
+ zend_compile_init_user_func(args->child[0], 1, lcname TSRMLS_CC);
+ zend_compile_expr(&arg_node, args->child[1] TSRMLS_CC);
+ zend_emit_op(NULL, ZEND_SEND_ARRAY, &arg_node, NULL TSRMLS_CC);
+ zend_emit_op(result, ZEND_DO_FCALL, NULL, NULL TSRMLS_CC);
+
+ return SUCCESS;
}
/* }}} */
-static void do_inherit_parent_constructor(zend_class_entry *ce) /* {{{ */
+/* cuf = call_user_func */
+int zend_compile_func_cuf(znode *result, zend_ast_list *args, zend_string *lcname TSRMLS_DC) /* {{{ */
{
- zend_function *function, *new_function;
+ uint32_t i;
- if (!ce->parent) {
- return;
+ if (args->children < 1 || zend_args_contain_unpack(args)) {
+ return FAILURE;
}
- /* You cannot change create_object */
- ce->create_object = ce->parent->create_object;
+ zend_compile_init_user_func(args->child[0], args->children - 1, lcname TSRMLS_CC);
+ for (i = 1; i < args->children; ++i) {
+ zend_ast *arg_ast = args->child[i];
+ znode arg_node;
+ zend_op *opline;
+ zend_bool send_user = 0;
- /* Inherit special functions if needed */
- if (!ce->get_iterator) {
- ce->get_iterator = ce->parent->get_iterator;
- }
- if (!ce->iterator_funcs.funcs) {
- ce->iterator_funcs.funcs = ce->parent->iterator_funcs.funcs;
- }
- if (!ce->__get) {
- ce->__get = ce->parent->__get;
- }
- if (!ce->__set) {
- ce->__set = ce->parent->__set;
- }
- if (!ce->__unset) {
- ce->__unset = ce->parent->__unset;
- }
- if (!ce->__isset) {
- ce->__isset = ce->parent->__isset;
- }
- if (!ce->__call) {
- ce->__call = ce->parent->__call;
- }
- if (!ce->__callstatic) {
- ce->__callstatic = ce->parent->__callstatic;
- }
- if (!ce->__tostring) {
- ce->__tostring = ce->parent->__tostring;
- }
- if (!ce->clone) {
- ce->clone = ce->parent->clone;
- }
- if(!ce->serialize) {
- ce->serialize = ce->parent->serialize;
- }
- if(!ce->unserialize) {
- ce->unserialize = ce->parent->unserialize;
- }
- if (!ce->destructor) {
- ce->destructor = ce->parent->destructor;
- }
- if (ce->constructor) {
- if (ce->parent->constructor && ce->parent->constructor->common.fn_flags & ZEND_ACC_FINAL) {
- zend_error(E_ERROR, "Cannot override final %s::%s() with %s::%s()",
- ce->parent->name, ce->parent->constructor->common.function_name,
- ce->name, ce->constructor->common.function_name
- );
+ if (zend_is_variable(arg_ast) && !zend_is_call(arg_ast)) {
+ zend_compile_var(&arg_node, arg_ast, BP_VAR_FUNC_ARG | (i << BP_VAR_SHIFT) TSRMLS_CC);
+ send_user = 1;
+ } else {
+ zend_compile_expr(&arg_node, arg_ast TSRMLS_CC);
+ if (arg_node.op_type & (IS_VAR|IS_CV)) {
+ send_user = 1;
+ }
}
- return;
- }
- if (zend_hash_find(&ce->parent->function_table, ZEND_CONSTRUCTOR_FUNC_NAME, sizeof(ZEND_CONSTRUCTOR_FUNC_NAME), (void **)&function)==SUCCESS) {
- /* inherit parent's constructor */
- zend_hash_update(&ce->function_table, ZEND_CONSTRUCTOR_FUNC_NAME, sizeof(ZEND_CONSTRUCTOR_FUNC_NAME), function, sizeof(zend_function), (void**)&new_function);
- function_add_ref(new_function);
- } else {
- /* Don't inherit the old style constructor if we already have the new style constructor */
- char *lc_class_name;
- char *lc_parent_class_name;
-
- lc_class_name = zend_str_tolower_dup(ce->name, ce->name_length);
- if (!zend_hash_exists(&ce->function_table, lc_class_name, ce->name_length+1)) {
- lc_parent_class_name = zend_str_tolower_dup(ce->parent->name, ce->parent->name_length);
- if (!zend_hash_exists(&ce->function_table, lc_parent_class_name, ce->parent->name_length+1) &&
- zend_hash_find(&ce->parent->function_table, lc_parent_class_name, ce->parent->name_length+1, (void **)&function)==SUCCESS) {
- if (function->common.fn_flags & ZEND_ACC_CTOR) {
- /* inherit parent's constructor */
- zend_hash_update(&ce->function_table, lc_parent_class_name, ce->parent->name_length+1, function, sizeof(zend_function), (void**)&new_function);
- function_add_ref(new_function);
- }
- }
- efree(lc_parent_class_name);
+ if (send_user) {
+ opline = zend_emit_op(NULL, ZEND_SEND_USER, &arg_node, NULL TSRMLS_CC);
+ } else {
+ opline = zend_emit_op(NULL, ZEND_SEND_VAL, &arg_node, NULL TSRMLS_CC);
}
- efree(lc_class_name);
- }
- ce->constructor = ce->parent->constructor;
-}
-/* }}} */
-char *zend_visibility_string(zend_uint fn_flags) /* {{{ */
-{
- if (fn_flags & ZEND_ACC_PRIVATE) {
- return "private";
+ opline->op2.opline_num = i;
}
- if (fn_flags & ZEND_ACC_PROTECTED) {
- return "protected";
- }
- if (fn_flags & ZEND_ACC_PUBLIC) {
- return "public";
- }
- return "";
+ zend_emit_op(result, ZEND_DO_FCALL, NULL, NULL TSRMLS_CC);
+
+ return SUCCESS;
}
/* }}} */
-static void do_inherit_method(zend_function *function) /* {{{ */
-{
- /* The class entry of the derived function intentionally remains the same
- * as that of the parent class. That allows us to know in which context
- * we're running, and handle private method calls properly.
- */
- function_add_ref(function);
+int zend_try_compile_special_func(znode *result, zend_string *lcname, zend_ast_list *args TSRMLS_DC) /* {{{ */
+{
+ if (zend_string_equals_literal(lcname, "strlen")) {
+ return zend_compile_func_strlen(result, args TSRMLS_CC);
+ } else if (zend_string_equals_literal(lcname, "is_null")) {
+ return zend_compile_func_typecheck(result, args, IS_NULL TSRMLS_CC);
+ } else if (zend_string_equals_literal(lcname, "is_bool")) {
+ return zend_compile_func_typecheck(result, args, _IS_BOOL TSRMLS_CC);
+ } else if (zend_string_equals_literal(lcname, "is_long")
+ || zend_string_equals_literal(lcname, "is_int")
+ || zend_string_equals_literal(lcname, "is_integer")
+ ) {
+ return zend_compile_func_typecheck(result, args, IS_LONG TSRMLS_CC);
+ } else if (zend_string_equals_literal(lcname, "is_float")
+ || zend_string_equals_literal(lcname, "is_double")
+ || zend_string_equals_literal(lcname, "is_real")
+ ) {
+ return zend_compile_func_typecheck(result, args, IS_DOUBLE TSRMLS_CC);
+ } else if (zend_string_equals_literal(lcname, "is_string")) {
+ return zend_compile_func_typecheck(result, args, IS_STRING TSRMLS_CC);
+ } else if (zend_string_equals_literal(lcname, "is_array")) {
+ return zend_compile_func_typecheck(result, args, IS_ARRAY TSRMLS_CC);
+ } else if (zend_string_equals_literal(lcname, "is_object")) {
+ return zend_compile_func_typecheck(result, args, IS_OBJECT TSRMLS_CC);
+ } else if (zend_string_equals_literal(lcname, "is_resource")) {
+ return zend_compile_func_typecheck(result, args, IS_RESOURCE TSRMLS_CC);
+ } else if (zend_string_equals_literal(lcname, "defined")) {
+ return zend_compile_func_defined(result, args TSRMLS_CC);
+ } else if (zend_string_equals_literal(lcname, "call_user_func_array")) {
+ return zend_compile_func_cufa(result, args, lcname TSRMLS_CC);
+ } else if (zend_string_equals_literal(lcname, "call_user_func")) {
+ return zend_compile_func_cuf(result, args, lcname TSRMLS_CC);
+ } else {
+ return FAILURE;
+ }
}
/* }}} */
-static zend_bool zend_do_perform_implementation_check(const zend_function *fe, const zend_function *proto TSRMLS_DC) /* {{{ */
+void zend_compile_call(znode *result, zend_ast *ast, uint32_t type TSRMLS_DC) /* {{{ */
{
- zend_uint i, num_args;
-
- /* If it's a user function then arg_info == NULL means we don't have any parameters but
- * we still need to do the arg number checks. We are only willing to ignore this for internal
- * functions because extensions don't always define arg_info.
- */
- if (!proto || (!proto->common.arg_info && proto->common.type != ZEND_USER_FUNCTION)) {
- return 1;
- }
-
- /* Checks for constructors only if they are declared in an interface,
- * or explicitly marked as abstract
- */
- if ((fe->common.fn_flags & ZEND_ACC_CTOR)
- && ((proto->common.scope->ce_flags & ZEND_ACC_INTERFACE) == 0
- && (proto->common.fn_flags & ZEND_ACC_ABSTRACT) == 0)) {
- return 1;
- }
-
- /* If both methods are private do not enforce a signature */
- if ((fe->common.fn_flags & ZEND_ACC_PRIVATE) && (proto->common.fn_flags & ZEND_ACC_PRIVATE)) {
- return 1;
- }
+ zend_ast *name_ast = ast->child[0];
+ zend_ast *args_ast = ast->child[1];
- /* check number of arguments */
- if (proto->common.required_num_args < fe->common.required_num_args
- || proto->common.num_args > fe->common.num_args) {
- return 0;
- }
+ znode name_node;
- /* by-ref constraints on return values are covariant */
- if ((proto->common.fn_flags & ZEND_ACC_RETURN_REFERENCE)
- && !(fe->common.fn_flags & ZEND_ACC_RETURN_REFERENCE)) {
- return 0;
+ if (name_ast->kind != ZEND_AST_ZVAL || Z_TYPE_P(zend_ast_get_zval(name_ast)) != IS_STRING) {
+ zend_compile_expr(&name_node, name_ast TSRMLS_CC);
+ zend_compile_dynamic_call(result, &name_node, args_ast TSRMLS_CC);
+ return;
}
- if ((proto->common.fn_flags & ZEND_ACC_VARIADIC)
- && !(fe->common.fn_flags & ZEND_ACC_VARIADIC)) {
- return 0;
+ {
+ zend_bool runtime_resolution = zend_compile_function_name(&name_node, name_ast TSRMLS_CC);
+ if (runtime_resolution) {
+ zend_compile_ns_call(result, &name_node, args_ast TSRMLS_CC);
+ return;
+ }
}
- /* For variadic functions any additional (optional) arguments that were added must be
- * checked against the signature of the variadic argument, so in this case we have to
- * go through all the parameters of the function and not just those present in the
- * prototype. */
- num_args = proto->common.num_args;
- if ((fe->common.fn_flags & ZEND_ACC_VARIADIC)
- && fe->common.num_args > proto->common.num_args) {
- num_args = fe->common.num_args;
- }
+ {
+ zval *name = &name_node.u.constant;
+ zend_string *lcname = zend_string_alloc(Z_STRLEN_P(name), 0);
+ zend_function *fbc;
+ zend_op *opline;
- for (i = 0; i < num_args; i++) {
- zend_arg_info *fe_arg_info = &fe->common.arg_info[i];
+ zend_str_tolower_copy(lcname->val, Z_STRVAL_P(name), Z_STRLEN_P(name));
- zend_arg_info *proto_arg_info;
- if (i < proto->common.num_args) {
- proto_arg_info = &proto->common.arg_info[i];
- } else {
- proto_arg_info = &proto->common.arg_info[proto->common.num_args-1];
+ fbc = zend_hash_find_ptr(CG(function_table), lcname);
+ if (!fbc || (fbc->type == ZEND_INTERNAL_FUNCTION &&
+ (CG(compiler_options) & ZEND_COMPILE_IGNORE_INTERNAL_FUNCTIONS))
+ ) {
+ zend_string_release(lcname);
+ zend_compile_dynamic_call(result, &name_node, args_ast TSRMLS_CC);
+ return;
}
- if (ZEND_LOG_XOR(fe_arg_info->class_name, proto_arg_info->class_name)) {
- /* Only one has a type hint and the other one doesn't */
- return 0;
+ if (zend_try_compile_special_func(result, lcname,
+ zend_ast_get_list(args_ast) TSRMLS_CC) == SUCCESS
+ ) {
+ zend_string_release(lcname);
+ zval_ptr_dtor(&name_node.u.constant);
+ return;
}
- if (fe_arg_info->class_name) {
- const char *fe_class_name, *proto_class_name;
- zend_uint fe_class_name_len, proto_class_name_len;
+ zval_ptr_dtor(&name_node.u.constant);
+ ZVAL_NEW_STR(&name_node.u.constant, lcname);
- if (!strcasecmp(fe_arg_info->class_name, "parent") && proto->common.scope) {
- fe_class_name = proto->common.scope->name;
- fe_class_name_len = proto->common.scope->name_length;
- } else if (!strcasecmp(fe_arg_info->class_name, "self") && fe->common.scope) {
- fe_class_name = fe->common.scope->name;
- fe_class_name_len = fe->common.scope->name_length;
- } else {
- fe_class_name = fe_arg_info->class_name;
- fe_class_name_len = fe_arg_info->class_name_len;
- }
+ opline = zend_emit_op(NULL, ZEND_INIT_FCALL, NULL, &name_node TSRMLS_CC);
+ zend_alloc_cache_slot(opline->op2.constant TSRMLS_CC);
- if (!strcasecmp(proto_arg_info->class_name, "parent") && proto->common.scope && proto->common.scope->parent) {
- proto_class_name = proto->common.scope->parent->name;
- proto_class_name_len = proto->common.scope->parent->name_length;
- } else if (!strcasecmp(proto_arg_info->class_name, "self") && proto->common.scope) {
- proto_class_name = proto->common.scope->name;
- proto_class_name_len = proto->common.scope->name_length;
- } else {
- proto_class_name = proto_arg_info->class_name;
- proto_class_name_len = proto_arg_info->class_name_len;
- }
+ zend_compile_call_common(result, args_ast, fbc TSRMLS_CC);
+ }
+}
+/* }}} */
- if (strcasecmp(fe_class_name, proto_class_name)!=0) {
- const char *colon;
+void zend_compile_method_call(znode *result, zend_ast *ast, uint32_t type TSRMLS_DC) /* {{{ */
+{
+ zend_ast *obj_ast = ast->child[0];
+ zend_ast *method_ast = ast->child[1];
+ zend_ast *args_ast = ast->child[2];
- if (fe->common.type != ZEND_USER_FUNCTION) {
- return 0;
- } else if (strchr(proto_class_name, '\\') != NULL ||
- (colon = zend_memrchr(fe_class_name, '\\', fe_class_name_len)) == NULL ||
- strcasecmp(colon+1, proto_class_name) != 0) {
- zend_class_entry **fe_ce, **proto_ce;
- int found, found2;
-
- found = zend_lookup_class(fe_class_name, fe_class_name_len, &fe_ce TSRMLS_CC);
- found2 = zend_lookup_class(proto_class_name, proto_class_name_len, &proto_ce TSRMLS_CC);
-
- /* Check for class alias */
- if (found != SUCCESS || found2 != SUCCESS ||
- (*fe_ce)->type == ZEND_INTERNAL_CLASS ||
- (*proto_ce)->type == ZEND_INTERNAL_CLASS ||
- *fe_ce != *proto_ce) {
- return 0;
- }
- }
- }
- }
- if (fe_arg_info->type_hint != proto_arg_info->type_hint) {
- /* Incompatible type hint */
- return 0;
- }
+ znode obj_node, method_node;
+ zend_op *opline;
- /* by-ref constraints on arguments are invariant */
- if (fe_arg_info->pass_by_reference != proto_arg_info->pass_by_reference) {
- return 0;
+ if (is_this_fetch(obj_ast)) {
+ obj_node.op_type = IS_UNUSED;
+ } else {
+ zend_compile_expr(&obj_node, obj_ast TSRMLS_CC);
+ }
+
+ zend_compile_expr(&method_node, method_ast TSRMLS_CC);
+ opline = zend_emit_op(NULL, ZEND_INIT_METHOD_CALL, &obj_node, NULL TSRMLS_CC);
+
+ if (method_node.op_type == IS_CONST) {
+ if (Z_TYPE(method_node.u.constant) != IS_STRING) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Method name must be a string");
}
+
+ opline->op2_type = IS_CONST;
+ opline->op2.constant = zend_add_func_name_literal(CG(active_op_array),
+ Z_STR(method_node.u.constant) TSRMLS_CC);
+ zend_alloc_polymorphic_cache_slot(opline->op2.constant TSRMLS_CC);
+ } else {
+ SET_NODE(opline->op2, &method_node);
}
- return 1;
+ zend_compile_call_common(result, args_ast, NULL TSRMLS_CC);
}
/* }}} */
-#define REALLOC_BUF_IF_EXCEED(buf, offset, length, size) \
- if (UNEXPECTED(offset - buf + size >= length)) { \
- length += size + 1; \
- buf = erealloc(buf, length); \
- }
+zend_bool zend_is_constructor(zend_string *name) /* {{{ */
+{
+ return zend_string_equals_literal_ci(name, ZEND_CONSTRUCTOR_FUNC_NAME);
+}
+/* }}} */
-static char * zend_get_function_declaration(zend_function *fptr TSRMLS_DC) /* {{{ */
+void zend_compile_static_call(znode *result, zend_ast *ast, uint32_t type TSRMLS_DC) /* {{{ */
{
- char *offset, *buf;
- zend_uint length = 1024;
+ zend_ast *class_ast = ast->child[0];
+ zend_ast *method_ast = ast->child[1];
+ zend_ast *args_ast = ast->child[2];
- offset = buf = (char *)emalloc(length * sizeof(char));
- if (fptr->op_array.fn_flags & ZEND_ACC_RETURN_REFERENCE) {
- *(offset++) = '&';
- *(offset++) = ' ';
- }
+ znode class_node, method_node;
+ zend_op *opline;
+ zend_ulong extended_value = 0;
- if (fptr->common.scope) {
- memcpy(offset, fptr->common.scope->name, fptr->common.scope->name_length);
- offset += fptr->common.scope->name_length;
- *(offset++) = ':';
- *(offset++) = ':';
+ if (zend_is_const_default_class_ref(class_ast)) {
+ class_node.op_type = IS_CONST;
+ ZVAL_STR(&class_node.u.constant, zend_resolve_class_name_ast(class_ast TSRMLS_CC));
+ } else {
+ opline = zend_compile_class_ref(&class_node, class_ast TSRMLS_CC);
+ extended_value = opline->extended_value;
}
- {
- size_t name_len = strlen(fptr->common.function_name);
- REALLOC_BUF_IF_EXCEED(buf, offset, length, name_len);
- memcpy(offset, fptr->common.function_name, name_len);
- offset += name_len;
- }
-
- *(offset++) = '(';
- if (fptr->common.arg_info) {
- zend_uint i, required;
- zend_arg_info *arg_info = fptr->common.arg_info;
-
- required = fptr->common.required_num_args;
- for (i = 0; i < fptr->common.num_args;) {
- if (arg_info->class_name) {
- const char *class_name;
- zend_uint class_name_len;
- if (!strcasecmp(arg_info->class_name, "self") && fptr->common.scope ) {
- class_name = fptr->common.scope->name;
- class_name_len = fptr->common.scope->name_length;
- } else if (!strcasecmp(arg_info->class_name, "parent") && fptr->common.scope->parent) {
- class_name = fptr->common.scope->parent->name;
- class_name_len = fptr->common.scope->parent->name_length;
- } else {
- class_name = arg_info->class_name;
- class_name_len = arg_info->class_name_len;
- }
- REALLOC_BUF_IF_EXCEED(buf, offset, length, class_name_len);
- memcpy(offset, class_name, class_name_len);
- offset += class_name_len;
- *(offset++) = ' ';
- } else if (arg_info->type_hint) {
- zend_uint type_name_len;
- char *type_name = zend_get_type_by_const(arg_info->type_hint);
- type_name_len = strlen(type_name);
- REALLOC_BUF_IF_EXCEED(buf, offset, length, type_name_len);
- memcpy(offset, type_name, type_name_len);
- offset += type_name_len;
- *(offset++) = ' ';
- }
-
- if (arg_info->pass_by_reference) {
- *(offset++) = '&';
- }
+ zend_compile_expr(&method_node, method_ast TSRMLS_CC);
+ if (method_node.op_type == IS_CONST) {
+ zval *name = &method_node.u.constant;
+ if (Z_TYPE_P(name) != IS_STRING) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Method name must be a string");
+ }
+ if (zend_is_constructor(Z_STR_P(name))) {
+ zval_ptr_dtor(name);
+ method_node.op_type = IS_UNUSED;
+ }
+ }
- if (arg_info->is_variadic) {
- *(offset++) = '.';
- *(offset++) = '.';
- *(offset++) = '.';
- }
+ opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ opline->opcode = ZEND_INIT_STATIC_METHOD_CALL;
+ opline->extended_value = extended_value;
- *(offset++) = '$';
+ zend_set_class_name_op1(opline, &class_node TSRMLS_CC);
- if (arg_info->name) {
- REALLOC_BUF_IF_EXCEED(buf, offset, length, arg_info->name_len);
- memcpy(offset, arg_info->name, arg_info->name_len);
- offset += arg_info->name_len;
- } else {
- zend_uint idx = i;
- memcpy(offset, "param", 5);
- offset += 5;
- do {
- *(offset++) = (char) (idx % 10) + '0';
- idx /= 10;
- } while (idx > 0);
- }
- if (i >= required && !arg_info->is_variadic) {
- *(offset++) = ' ';
- *(offset++) = '=';
- *(offset++) = ' ';
- if (fptr->type == ZEND_USER_FUNCTION) {
- zend_op *precv = NULL;
- {
- zend_uint idx = i;
- zend_op *op = ((zend_op_array *)fptr)->opcodes;
- zend_op *end = op + ((zend_op_array *)fptr)->last;
-
- ++idx;
- while (op < end) {
- if ((op->opcode == ZEND_RECV || op->opcode == ZEND_RECV_INIT)
- && op->op1.num == (long)idx)
- {
- precv = op;
- }
- ++op;
- }
- }
- if (precv && precv->opcode == ZEND_RECV_INIT && precv->op2_type != IS_UNUSED) {
- zval *zv, zv_copy;
- int use_copy;
- ALLOC_ZVAL(zv);
- *zv = *precv->op2.zv;
- zval_copy_ctor(zv);
- INIT_PZVAL(zv);
- zval_update_constant_ex(&zv, (void*)1, fptr->common.scope TSRMLS_CC);
- if (Z_TYPE_P(zv) == IS_BOOL) {
- if (Z_LVAL_P(zv)) {
- memcpy(offset, "true", 4);
- offset += 4;
- } else {
- memcpy(offset, "false", 5);
- offset += 5;
- }
- } else if (Z_TYPE_P(zv) == IS_NULL) {
- memcpy(offset, "NULL", 4);
- offset += 4;
- } else if (Z_TYPE_P(zv) == IS_STRING) {
- *(offset++) = '\'';
- REALLOC_BUF_IF_EXCEED(buf, offset, length, MIN(Z_STRLEN_P(zv), 10));
- memcpy(offset, Z_STRVAL_P(zv), MIN(Z_STRLEN_P(zv), 10));
- offset += MIN(Z_STRLEN_P(zv), 10);
- if (Z_STRLEN_P(zv) > 10) {
- *(offset++) = '.';
- *(offset++) = '.';
- *(offset++) = '.';
- }
- *(offset++) = '\'';
- } else if (Z_TYPE_P(zv) == IS_ARRAY) {
- memcpy(offset, "Array", 5);
- offset += 5;
- } else {
- zend_make_printable_zval(zv, &zv_copy, &use_copy);
- REALLOC_BUF_IF_EXCEED(buf, offset, length, Z_STRLEN(zv_copy));
- memcpy(offset, Z_STRVAL(zv_copy), Z_STRLEN(zv_copy));
- offset += Z_STRLEN(zv_copy);
- if (use_copy) {
- zval_dtor(&zv_copy);
- }
- }
- zval_ptr_dtor(&zv);
- }
- } else {
- memcpy(offset, "NULL", 4);
- offset += 4;
- }
- }
-
- if (++i < fptr->common.num_args) {
- *(offset++) = ',';
- *(offset++) = ' ';
- }
- arg_info++;
- REALLOC_BUF_IF_EXCEED(buf, offset, length, 32);
+ if (method_node.op_type == IS_CONST) {
+ opline->op2_type = IS_CONST;
+ opline->op2.constant = zend_add_func_name_literal(CG(active_op_array),
+ Z_STR(method_node.u.constant) TSRMLS_CC);
+ if (opline->op1_type == IS_CONST) {
+ zend_alloc_cache_slot(opline->op2.constant TSRMLS_CC);
+ } else {
+ zend_alloc_polymorphic_cache_slot(opline->op2.constant TSRMLS_CC);
}
+ } else {
+ SET_NODE(opline->op2, &method_node);
}
- *(offset++) = ')';
- *offset = '\0';
- return buf;
+ zend_compile_call_common(result, args_ast, NULL TSRMLS_CC);
}
/* }}} */
-static void do_inheritance_check_on_method(zend_function *child, zend_function *parent TSRMLS_DC) /* {{{ */
+void zend_compile_new(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_uint child_flags;
- zend_uint parent_flags = parent->common.fn_flags;
+ zend_ast *class_ast = ast->child[0];
+ zend_ast *args_ast = ast->child[1];
- if ((parent->common.scope->ce_flags & ZEND_ACC_INTERFACE) == 0
- && parent->common.fn_flags & ZEND_ACC_ABSTRACT
- && parent->common.scope != (child->common.prototype ? child->common.prototype->common.scope : child->common.scope)
- && child->common.fn_flags & (ZEND_ACC_ABSTRACT|ZEND_ACC_IMPLEMENTED_ABSTRACT)) {
- zend_error(E_COMPILE_ERROR, "Can't inherit abstract function %s::%s() (previously declared abstract in %s)",
- parent->common.scope->name,
- child->common.function_name,
- child->common.prototype ? child->common.prototype->common.scope->name : child->common.scope->name);
- }
+ znode class_node, ctor_result;
+ zend_op *opline;
+ uint32_t opnum;
- if (parent_flags & ZEND_ACC_FINAL) {
- zend_error(E_COMPILE_ERROR, "Cannot override final method %s::%s()", ZEND_FN_SCOPE_NAME(parent), child->common.function_name);
- }
+ zend_compile_class_ref(&class_node, class_ast TSRMLS_CC);
- child_flags = child->common.fn_flags;
- /* You cannot change from static to non static and vice versa.
- */
- if ((child_flags & ZEND_ACC_STATIC) != (parent_flags & ZEND_ACC_STATIC)) {
- if (child->common.fn_flags & ZEND_ACC_STATIC) {
- zend_error(E_COMPILE_ERROR, "Cannot make non static method %s::%s() static in class %s", ZEND_FN_SCOPE_NAME(parent), child->common.function_name, ZEND_FN_SCOPE_NAME(child));
- } else {
- zend_error(E_COMPILE_ERROR, "Cannot make static method %s::%s() non static in class %s", ZEND_FN_SCOPE_NAME(parent), child->common.function_name, ZEND_FN_SCOPE_NAME(child));
- }
- }
+ opnum = get_next_op_number(CG(active_op_array));
+ zend_emit_op(result, ZEND_NEW, &class_node, NULL TSRMLS_CC);
- /* Disallow making an inherited method abstract. */
- if ((child_flags & ZEND_ACC_ABSTRACT) && !(parent_flags & ZEND_ACC_ABSTRACT)) {
- zend_error(E_COMPILE_ERROR, "Cannot make non abstract method %s::%s() abstract in class %s", ZEND_FN_SCOPE_NAME(parent), child->common.function_name, ZEND_FN_SCOPE_NAME(child));
- }
+ zend_compile_call_common(&ctor_result, args_ast, NULL TSRMLS_CC);
+ zend_do_free(&ctor_result TSRMLS_CC);
- if (parent_flags & ZEND_ACC_CHANGED) {
- child->common.fn_flags |= ZEND_ACC_CHANGED;
- } else {
- /* Prevent derived classes from restricting access that was available in parent classes
- */
- if ((child_flags & ZEND_ACC_PPP_MASK) > (parent_flags & ZEND_ACC_PPP_MASK)) {
- zend_error(E_COMPILE_ERROR, "Access level to %s::%s() must be %s (as in class %s)%s", ZEND_FN_SCOPE_NAME(child), child->common.function_name, zend_visibility_string(parent_flags), ZEND_FN_SCOPE_NAME(parent), (parent_flags&ZEND_ACC_PUBLIC) ? "" : " or weaker");
- } else if (((child_flags & ZEND_ACC_PPP_MASK) < (parent_flags & ZEND_ACC_PPP_MASK))
- && ((parent_flags & ZEND_ACC_PPP_MASK) & ZEND_ACC_PRIVATE)) {
- child->common.fn_flags |= ZEND_ACC_CHANGED;
- }
- }
+ /* New jumps over ctor call if ctor does not exist */
+ opline = &CG(active_op_array)->opcodes[opnum];
+ opline->op2.opline_num = get_next_op_number(CG(active_op_array));
+}
+/* }}} */
- if (parent_flags & ZEND_ACC_PRIVATE) {
- child->common.prototype = NULL;
- } else if (parent_flags & ZEND_ACC_ABSTRACT) {
- child->common.fn_flags |= ZEND_ACC_IMPLEMENTED_ABSTRACT;
- child->common.prototype = parent;
- } else if (!(parent->common.fn_flags & ZEND_ACC_CTOR) || (parent->common.prototype && (parent->common.prototype->common.scope->ce_flags & ZEND_ACC_INTERFACE))) {
- /* ctors only have a prototype if it comes from an interface */
- child->common.prototype = parent->common.prototype ? parent->common.prototype : parent;
- }
+void zend_compile_clone(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
+{
+ zend_ast *obj_ast = ast->child[0];
- if (child->common.prototype && (child->common.prototype->common.fn_flags & ZEND_ACC_ABSTRACT)) {
- if (!zend_do_perform_implementation_check(child, child->common.prototype TSRMLS_CC)) {
- zend_error(E_COMPILE_ERROR, "Declaration of %s::%s() must be compatible with %s", ZEND_FN_SCOPE_NAME(child), child->common.function_name, zend_get_function_declaration(child->common.prototype TSRMLS_CC));
- }
- } else if (EG(error_reporting) & E_STRICT || EG(user_error_handler)) { /* Check E_STRICT (or custom error handler) before the check so that we save some time */
- if (!zend_do_perform_implementation_check(child, parent TSRMLS_CC)) {
- char *method_prototype = zend_get_function_declaration(parent TSRMLS_CC);
- zend_error(E_STRICT, "Declaration of %s::%s() should be compatible with %s", ZEND_FN_SCOPE_NAME(child), child->common.function_name, method_prototype);
- efree(method_prototype);
- }
- }
+ znode obj_node;
+ zend_compile_expr(&obj_node, obj_ast TSRMLS_CC);
+
+ zend_emit_op(result, ZEND_CLONE, &obj_node, NULL TSRMLS_CC);
}
/* }}} */
-static zend_bool do_inherit_method_check(HashTable *child_function_table, zend_function *parent, const zend_hash_key *hash_key, zend_class_entry *child_ce) /* {{{ */
+void zend_compile_global_var(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_uint parent_flags = parent->common.fn_flags;
- zend_function *child;
- TSRMLS_FETCH();
+ zend_ast *var_ast = ast->child[0];
+ zend_ast *name_ast = var_ast->child[0];
+
+ znode name_node, result;
- if (zend_hash_quick_find(child_function_table, hash_key->arKey, hash_key->nKeyLength, hash_key->h, (void **) &child)==FAILURE) {
- if (parent_flags & (ZEND_ACC_ABSTRACT)) {
- child_ce->ce_flags |= ZEND_ACC_IMPLICIT_ABSTRACT_CLASS;
+ zend_compile_expr(&name_node, name_ast TSRMLS_CC);
+ if (name_node.op_type == IS_CONST) {
+ if (Z_TYPE(name_node.u.constant) != IS_STRING) {
+ convert_to_string(&name_node.u.constant);
}
- return 1; /* method doesn't exist in child, copy from parent */
}
- do_inheritance_check_on_method(child, parent TSRMLS_CC);
+ if (zend_try_compile_cv(&result, var_ast TSRMLS_CC) == SUCCESS) {
+ zend_op *opline = zend_emit_op(NULL, ZEND_BIND_GLOBAL, &result, &name_node TSRMLS_CC);
+ zend_alloc_cache_slot(opline->op2.constant TSRMLS_CC);
+ } else {
+ zend_emit_op(&result, ZEND_FETCH_W, &name_node, NULL TSRMLS_CC);
- return 0;
+ // TODO.AST Avoid double fetch
+ //opline->extended_value = ZEND_FETCH_GLOBAL_LOCK;
+
+ zend_emit_assign_ref_znode(var_ast, &result TSRMLS_CC);
+ }
}
/* }}} */
-static zend_bool do_inherit_property_access_check(HashTable *target_ht, zend_property_info *parent_info, const zend_hash_key *hash_key, zend_class_entry *ce) /* {{{ */
+static void zend_compile_static_var_common(zend_ast *var_ast, zval *value, zend_bool by_ref TSRMLS_DC) /* {{{ */
{
- zend_property_info *child_info;
- zend_class_entry *parent_ce = ce->parent;
+ znode var_node, result;
+ zend_op *opline;
- if (parent_info->flags & (ZEND_ACC_PRIVATE|ZEND_ACC_SHADOW)) {
- if (zend_hash_quick_find(&ce->properties_info, hash_key->arKey, hash_key->nKeyLength, hash_key->h, (void **) &child_info)==SUCCESS) {
- child_info->flags |= ZEND_ACC_CHANGED;
- } else {
- zend_hash_quick_update(&ce->properties_info, hash_key->arKey, hash_key->nKeyLength, hash_key->h, parent_info, sizeof(zend_property_info), (void **) &child_info);
- if(ce->type & ZEND_INTERNAL_CLASS) {
- zend_duplicate_property_info_internal(child_info);
- } else {
- zend_duplicate_property_info(child_info);
- }
- child_info->flags &= ~ZEND_ACC_PRIVATE; /* it's not private anymore */
- child_info->flags |= ZEND_ACC_SHADOW; /* but it's a shadow of private */
+ zend_compile_expr(&var_node, var_ast TSRMLS_CC);
+
+ if (!CG(active_op_array)->static_variables) {
+ if (CG(active_op_array)->scope) {
+ CG(active_op_array)->scope->ce_flags |= ZEND_HAS_STATIC_IN_METHODS;
}
- return 0; /* don't copy access information to child */
+ ALLOC_HASHTABLE(CG(active_op_array)->static_variables);
+ zend_hash_init(CG(active_op_array)->static_variables, 8, NULL, ZVAL_PTR_DTOR, 0);
}
- if (zend_hash_quick_find(&ce->properties_info, hash_key->arKey, hash_key->nKeyLength, hash_key->h, (void **) &child_info)==SUCCESS) {
- if ((parent_info->flags & ZEND_ACC_STATIC) != (child_info->flags & ZEND_ACC_STATIC)) {
- zend_error(E_COMPILE_ERROR, "Cannot redeclare %s%s::$%s as %s%s::$%s",
- (parent_info->flags & ZEND_ACC_STATIC) ? "static " : "non static ", parent_ce->name, hash_key->arKey,
- (child_info->flags & ZEND_ACC_STATIC) ? "static " : "non static ", ce->name, hash_key->arKey);
+ zend_hash_update(CG(active_op_array)->static_variables, Z_STR(var_node.u.constant), value);
- }
-
- if(parent_info->flags & ZEND_ACC_CHANGED) {
- child_info->flags |= ZEND_ACC_CHANGED;
- }
+ opline = zend_emit_op(&result, by_ref ? ZEND_FETCH_W : ZEND_FETCH_R, &var_node, NULL TSRMLS_CC);
+ opline->extended_value = ZEND_FETCH_STATIC;
- if ((child_info->flags & ZEND_ACC_PPP_MASK) > (parent_info->flags & ZEND_ACC_PPP_MASK)) {
- zend_error(E_COMPILE_ERROR, "Access level to %s::$%s must be %s (as in class %s)%s", ce->name, hash_key->arKey, zend_visibility_string(parent_info->flags), parent_ce->name, (parent_info->flags&ZEND_ACC_PUBLIC) ? "" : " or weaker");
- } else if ((child_info->flags & ZEND_ACC_STATIC) == 0) {
- zval_ptr_dtor(&(ce->default_properties_table[parent_info->offset]));
- ce->default_properties_table[parent_info->offset] = ce->default_properties_table[child_info->offset];
- ce->default_properties_table[child_info->offset] = NULL;
- child_info->offset = parent_info->offset;
- }
- return 0; /* Don't copy from parent */
+ if (by_ref) {
+ zend_ast *fetch_ast = zend_ast_create(ZEND_AST_VAR, var_ast);
+ zend_emit_assign_ref_znode(fetch_ast, &result TSRMLS_CC);
} else {
- return 1; /* Copy from parent */
+ zend_ast *fetch_ast = zend_ast_create(ZEND_AST_VAR, var_ast);
+ zend_emit_assign_znode(fetch_ast, &result TSRMLS_CC);
}
}
/* }}} */
-static inline void do_implement_interface(zend_class_entry *ce, zend_class_entry *iface TSRMLS_DC) /* {{{ */
+void zend_compile_static_var(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- if (!(ce->ce_flags & ZEND_ACC_INTERFACE) && iface->interface_gets_implemented && iface->interface_gets_implemented(iface, ce TSRMLS_CC) == FAILURE) {
- zend_error(E_CORE_ERROR, "Class %s could not implement interface %s", ce->name, iface->name);
- }
- if (ce == iface) {
- zend_error(E_ERROR, "Interface %s cannot implement itself", ce->name);
+ zend_ast *var_ast = ast->child[0];
+ zend_ast *value_ast = ast->child[1];
+ zval value_zv;
+
+ if (value_ast) {
+ zend_const_expr_to_zval(&value_zv, value_ast TSRMLS_CC);
+ } else {
+ ZVAL_NULL(&value_zv);
}
+
+ zend_compile_static_var_common(var_ast, &value_zv, 1 TSRMLS_CC);
}
/* }}} */
-ZEND_API void zend_do_inherit_interfaces(zend_class_entry *ce, const zend_class_entry *iface TSRMLS_DC) /* {{{ */
+void zend_compile_unset(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- /* expects interface to be contained in ce's interface list already */
- zend_uint i, ce_num, if_num = iface->num_interfaces;
- zend_class_entry *entry;
+ zend_ast *var_ast = ast->child[0];
- if (if_num==0) {
- return;
- }
- ce_num = ce->num_interfaces;
-
- if (ce->type == ZEND_INTERNAL_CLASS) {
- ce->interfaces = (zend_class_entry **) realloc(ce->interfaces, sizeof(zend_class_entry *) * (ce_num + if_num));
- } else {
- ce->interfaces = (zend_class_entry **) erealloc(ce->interfaces, sizeof(zend_class_entry *) * (ce_num + if_num));
- }
-
- /* Inherit the interfaces, only if they're not already inherited by the class */
- while (if_num--) {
- entry = iface->interfaces[if_num];
- for (i = 0; i < ce_num; i++) {
- if (ce->interfaces[i] == entry) {
- break;
+ znode var_node;
+ zend_op *opline;
+ switch (var_ast->kind) {
+ case ZEND_AST_VAR:
+ if (zend_try_compile_cv(&var_node, var_ast TSRMLS_CC) == SUCCESS) {
+ opline = zend_emit_op(NULL, ZEND_UNSET_VAR, &var_node, NULL TSRMLS_CC);
+ opline->extended_value = ZEND_FETCH_LOCAL | ZEND_QUICK_SET;
+ } else {
+ opline = zend_compile_simple_var_no_cv(NULL, var_ast, BP_VAR_UNSET TSRMLS_CC);
+ opline->opcode = ZEND_UNSET_VAR;
}
- }
- if (i == ce_num) {
- ce->interfaces[ce->num_interfaces++] = entry;
- }
- }
-
- /* and now call the implementing handlers */
- while (ce_num < ce->num_interfaces) {
- do_implement_interface(ce, ce->interfaces[ce_num++] TSRMLS_CC);
+ return;
+ case ZEND_AST_DIM:
+ opline = zend_compile_dim_common(NULL, var_ast, BP_VAR_UNSET TSRMLS_CC);
+ opline->opcode = ZEND_UNSET_DIM;
+ return;
+ case ZEND_AST_PROP:
+ opline = zend_compile_prop_common(NULL, var_ast, BP_VAR_UNSET TSRMLS_CC);
+ opline->opcode = ZEND_UNSET_OBJ;
+ return;
+ case ZEND_AST_STATIC_PROP:
+ opline = zend_compile_static_prop_common(NULL, var_ast, BP_VAR_UNSET TSRMLS_CC);
+ opline->opcode = ZEND_UNSET_VAR;
+ return;
+ EMPTY_SWITCH_DEFAULT_CASE()
}
}
/* }}} */
-#ifdef ZTS
-static void zval_internal_ctor(zval **p) /* {{{ */
+static void zend_free_foreach_and_switch_variables(TSRMLS_D) /* {{{ */
{
- zval *orig_ptr = *p;
+ uint32_t opnum_start, opnum_end, i;
- ALLOC_ZVAL(*p);
- MAKE_COPY_ZVAL(&orig_ptr, *p);
-}
-/* }}} */
+ opnum_start = get_next_op_number(CG(active_op_array));
-# define zval_property_ctor(parent_ce, ce) \
- ((void (*)(void *)) (((parent_ce)->type != (ce)->type) ? zval_internal_ctor : zval_add_ref))
+#ifdef ZTS
+ zend_stack_apply_with_argument(&CG(loop_var_stack), ZEND_STACK_APPLY_TOPDOWN, (int (*)(void *element, void *)) generate_free_loop_var TSRMLS_CC);
#else
-# define zval_property_ctor(parent_ce, ce) \
- ((void (*)(void *)) zval_add_ref)
+ zend_stack_apply(&CG(loop_var_stack), ZEND_STACK_APPLY_TOPDOWN, (int (*)(void *element)) generate_free_loop_var);
#endif
-ZEND_API void zend_do_inheritance(zend_class_entry *ce, zend_class_entry *parent_ce TSRMLS_DC) /* {{{ */
-{
- zend_property_info *property_info;
+ opnum_end = get_next_op_number(CG(active_op_array));
- if ((ce->ce_flags & ZEND_ACC_INTERFACE)
- && !(parent_ce->ce_flags & ZEND_ACC_INTERFACE)) {
- zend_error(E_COMPILE_ERROR, "Interface %s may not inherit from class (%s)", ce->name, parent_ce->name);
- }
- if (parent_ce->ce_flags & ZEND_ACC_FINAL_CLASS) {
- zend_error(E_COMPILE_ERROR, "Class %s may not inherit from final class (%s)", ce->name, parent_ce->name);
+ for (i = opnum_start; i < opnum_end; ++i) {
+ CG(active_op_array)->opcodes[i].extended_value |= EXT_TYPE_FREE_ON_RETURN;
}
+}
+/* }}} */
- ce->parent = parent_ce;
- /* Copy serialize/unserialize callbacks */
- if (!ce->serialize) {
- ce->serialize = parent_ce->serialize;
- }
- if (!ce->unserialize) {
- ce->unserialize = parent_ce->unserialize;
- }
+void zend_compile_return(zend_ast *ast TSRMLS_DC) /* {{{ */
+{
+ zend_ast *expr_ast = ast->child[0];
+ zend_bool by_ref = (CG(active_op_array)->fn_flags & ZEND_ACC_RETURN_REFERENCE) != 0;
- /* Inherit interfaces */
- zend_do_inherit_interfaces(ce, parent_ce TSRMLS_CC);
+ znode expr_node;
+ zend_op *opline;
- /* Inherit properties */
- if (parent_ce->default_properties_count) {
- int i = ce->default_properties_count + parent_ce->default_properties_count;
+ if (!expr_ast) {
+ expr_node.op_type = IS_CONST;
+ ZVAL_NULL(&expr_node.u.constant);
+ } else if (by_ref && zend_is_variable(expr_ast) && !zend_is_call(expr_ast)) {
+ zend_compile_var(&expr_node, expr_ast, BP_VAR_REF TSRMLS_CC);
+ } else {
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
+ }
- ce->default_properties_table = perealloc(ce->default_properties_table, sizeof(void*) * i, ce->type == ZEND_INTERNAL_CLASS);
- if (ce->default_properties_count) {
- while (i-- > parent_ce->default_properties_count) {
- ce->default_properties_table[i] = ce->default_properties_table[i - parent_ce->default_properties_count];
- }
- }
- for (i = 0; i < parent_ce->default_properties_count; i++) {
- ce->default_properties_table[i] = parent_ce->default_properties_table[i];
- if (ce->default_properties_table[i]) {
-#ifdef ZTS
- if (parent_ce->type != ce->type) {
- zval *p;
+ zend_free_foreach_and_switch_variables(TSRMLS_C);
- ALLOC_ZVAL(p);
- MAKE_COPY_ZVAL(&ce->default_properties_table[i], p);
- ce->default_properties_table[i] = p;
- } else {
- Z_ADDREF_P(ce->default_properties_table[i]);
- }
-#else
- Z_ADDREF_P(ce->default_properties_table[i]);
-#endif
- }
- }
- ce->default_properties_count += parent_ce->default_properties_count;
+ if (CG(context).in_finally) {
+ zend_emit_op(NULL, ZEND_DISCARD_EXCEPTION, NULL, NULL TSRMLS_CC);
}
- if (parent_ce->type != ce->type) {
- /* User class extends internal class */
- zend_update_class_constants(parent_ce TSRMLS_CC);
- if (parent_ce->default_static_members_count) {
- int i = ce->default_static_members_count + parent_ce->default_static_members_count;
-
- ce->default_static_members_table = erealloc(ce->default_static_members_table, sizeof(void*) * i);
- if (ce->default_static_members_count) {
- while (i-- > parent_ce->default_static_members_count) {
- ce->default_static_members_table[i] = ce->default_static_members_table[i - parent_ce->default_static_members_count];
- }
- }
- for (i = 0; i < parent_ce->default_static_members_count; i++) {
- SEPARATE_ZVAL_TO_MAKE_IS_REF(&CE_STATIC_MEMBERS(parent_ce)[i]);
- ce->default_static_members_table[i] = CE_STATIC_MEMBERS(parent_ce)[i];
- Z_ADDREF_P(ce->default_static_members_table[i]);
- }
- ce->default_static_members_count += parent_ce->default_static_members_count;
- ce->static_members_table = ce->default_static_members_table;
- }
- } else {
- if (parent_ce->default_static_members_count) {
- int i = ce->default_static_members_count + parent_ce->default_static_members_count;
+ opline = zend_emit_op(NULL, by_ref ? ZEND_RETURN_BY_REF : ZEND_RETURN,
+ &expr_node, NULL TSRMLS_CC);
- ce->default_static_members_table = perealloc(ce->default_static_members_table, sizeof(void*) * i, ce->type == ZEND_INTERNAL_CLASS);
- if (ce->default_static_members_count) {
- while (i-- > parent_ce->default_static_members_count) {
- ce->default_static_members_table[i] = ce->default_static_members_table[i - parent_ce->default_static_members_count];
- }
- }
- for (i = 0; i < parent_ce->default_static_members_count; i++) {
- SEPARATE_ZVAL_TO_MAKE_IS_REF(&parent_ce->default_static_members_table[i]);
- ce->default_static_members_table[i] = parent_ce->default_static_members_table[i];
- Z_ADDREF_P(ce->default_static_members_table[i]);
- }
- ce->default_static_members_count += parent_ce->default_static_members_count;
- if (ce->type == ZEND_USER_CLASS) {
- ce->static_members_table = ce->default_static_members_table;
- }
+ if (expr_ast) {
+ if (zend_is_call(expr_ast)) {
+ opline->extended_value = ZEND_RETURNS_FUNCTION;
+ } else if (!zend_is_variable(expr_ast)) {
+ opline->extended_value = ZEND_RETURNS_VALUE;
}
}
+}
+/* }}} */
- for (zend_hash_internal_pointer_reset(&ce->properties_info);
- zend_hash_get_current_data(&ce->properties_info, (void *) &property_info) == SUCCESS;
- zend_hash_move_forward(&ce->properties_info)) {
- if (property_info->ce == ce) {
- if (property_info->flags & ZEND_ACC_STATIC) {
- property_info->offset += parent_ce->default_static_members_count;
- } else {
- property_info->offset += parent_ce->default_properties_count;
- }
- }
- }
+void zend_compile_echo(zend_ast *ast TSRMLS_DC) /* {{{ */
+{
+ zend_ast *expr_ast = ast->child[0];
- zend_hash_merge_ex(&ce->properties_info, &parent_ce->properties_info, (copy_ctor_func_t) (ce->type & ZEND_INTERNAL_CLASS ? zend_duplicate_property_info_internal : zend_duplicate_property_info), sizeof(zend_property_info), (merge_checker_func_t) do_inherit_property_access_check, ce);
+ znode expr_node;
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
- zend_hash_merge(&ce->constants_table, &parent_ce->constants_table, zval_property_ctor(parent_ce, ce), NULL, sizeof(zval *), 0);
- zend_hash_merge_ex(&ce->function_table, &parent_ce->function_table, (copy_ctor_func_t) do_inherit_method, sizeof(zend_function), (merge_checker_func_t) do_inherit_method_check, ce);
- do_inherit_parent_constructor(ce);
+ zend_emit_op(NULL, ZEND_ECHO, &expr_node, NULL TSRMLS_CC);
+}
+/* }}} */
- if (ce->ce_flags & ZEND_ACC_IMPLICIT_ABSTRACT_CLASS && ce->type == ZEND_INTERNAL_CLASS) {
- ce->ce_flags |= ZEND_ACC_EXPLICIT_ABSTRACT_CLASS;
- } else if (!(ce->ce_flags & (ZEND_ACC_IMPLEMENT_INTERFACES|ZEND_ACC_IMPLEMENT_TRAITS))) {
- /* The verification will be done in runtime by ZEND_VERIFY_ABSTRACT_CLASS */
- zend_verify_abstract_class(ce TSRMLS_CC);
- }
- ce->ce_flags |= parent_ce->ce_flags & ZEND_HAS_STATIC_IN_METHODS;
+void zend_compile_throw(zend_ast *ast TSRMLS_DC) /* {{{ */
+{
+ zend_ast *expr_ast = ast->child[0];
+
+ znode expr_node;
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
+
+ zend_emit_op(NULL, ZEND_THROW, &expr_node, NULL TSRMLS_CC);
}
/* }}} */
-static zend_bool do_inherit_constant_check(HashTable *child_constants_table, const zval **parent_constant, const zend_hash_key *hash_key, const zend_class_entry *iface) /* {{{ */
+void zend_compile_break_continue(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zval **old_constant;
+ zend_ast *depth_ast = ast->child[0];
+
+ znode depth_node;
+ zend_op *opline;
+
+ ZEND_ASSERT(ast->kind == ZEND_AST_BREAK || ast->kind == ZEND_AST_CONTINUE);
- if (zend_hash_quick_find(child_constants_table, hash_key->arKey, hash_key->nKeyLength, hash_key->h, (void**)&old_constant) == SUCCESS) {
- if (*old_constant != *parent_constant) {
- zend_error(E_COMPILE_ERROR, "Cannot inherit previously-inherited or override constant %s from interface %s", hash_key->arKey, iface->name);
+ if (depth_ast) {
+ if (depth_ast->kind != ZEND_AST_ZVAL) {
+ zend_error_noreturn(E_COMPILE_ERROR, "'%s' operator with non-constant operand "
+ "is no longer supported", ast->kind == ZEND_AST_BREAK ? "break" : "continue");
}
- return 0;
+
+ zend_compile_expr(&depth_node, depth_ast TSRMLS_CC);
+
+ if (Z_TYPE(depth_node.u.constant) != IS_LONG || Z_LVAL(depth_node.u.constant) < 1) {
+ zend_error_noreturn(E_COMPILE_ERROR, "'%s' operator accepts only positive numbers",
+ ast->kind == ZEND_AST_BREAK ? "break" : "continue");
+ }
+ } else {
+ depth_node.op_type = IS_CONST;
+ ZVAL_LONG(&depth_node.u.constant, 1);
}
- return 1;
+
+ opline = zend_emit_op(NULL, ast->kind == ZEND_AST_BREAK ? ZEND_BRK : ZEND_CONT,
+ NULL, &depth_node TSRMLS_CC);
+ opline->op1.opline_num = CG(context).current_brk_cont;
}
/* }}} */
-static int do_interface_constant_check(zval **val TSRMLS_DC, int num_args, va_list args, const zend_hash_key *key) /* {{{ */
+void zend_compile_goto(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_class_entry **iface = va_arg(args, zend_class_entry**);
-
- do_inherit_constant_check(&(*iface)->constants_table, (const zval **) val, key, *iface);
+ zend_ast *label_ast = ast->child[0];
+ znode label_node;
+ zend_op *opline;
- return ZEND_HASH_APPLY_KEEP;
+ zend_compile_expr(&label_node, label_ast TSRMLS_CC);
+ opline = zend_emit_op(NULL, ZEND_GOTO, NULL, &label_node TSRMLS_CC);
+ opline->extended_value = CG(context).current_brk_cont;
+ zend_resolve_goto_label(CG(active_op_array), opline, 0 TSRMLS_CC);
}
/* }}} */
-ZEND_API void zend_do_implement_interface(zend_class_entry *ce, zend_class_entry *iface TSRMLS_DC) /* {{{ */
+void zend_compile_label(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_uint i, ignore = 0;
- zend_uint current_iface_num = ce->num_interfaces;
- zend_uint parent_iface_num = ce->parent ? ce->parent->num_interfaces : 0;
+ zend_string *label = zend_ast_get_str(ast->child[0]);
+ zend_label dest;
- for (i = 0; i < ce->num_interfaces; i++) {
- if (ce->interfaces[i] == NULL) {
- memmove(ce->interfaces + i, ce->interfaces + i + 1, sizeof(zend_class_entry*) * (--ce->num_interfaces - i));
- i--;
- } else if (ce->interfaces[i] == iface) {
- if (i < parent_iface_num) {
- ignore = 1;
- } else {
- zend_error(E_COMPILE_ERROR, "Class %s cannot implement previously implemented interface %s", ce->name, iface->name);
- }
- }
+ if (!CG(context).labels) {
+ ALLOC_HASHTABLE(CG(context).labels);
+ zend_hash_init(CG(context).labels, 8, NULL, ptr_dtor, 0);
}
- if (ignore) {
- /* Check for attempt to redeclare interface constants */
- zend_hash_apply_with_arguments(&ce->constants_table TSRMLS_CC, (apply_func_args_t) do_interface_constant_check, 1, &iface);
- } else {
- if (ce->num_interfaces >= current_iface_num) {
- if (ce->type == ZEND_INTERNAL_CLASS) {
- ce->interfaces = (zend_class_entry **) realloc(ce->interfaces, sizeof(zend_class_entry *) * (++current_iface_num));
- } else {
- ce->interfaces = (zend_class_entry **) erealloc(ce->interfaces, sizeof(zend_class_entry *) * (++current_iface_num));
- }
- }
- ce->interfaces[ce->num_interfaces++] = iface;
- zend_hash_merge_ex(&ce->constants_table, &iface->constants_table, (copy_ctor_func_t) zval_add_ref, sizeof(zval *), (merge_checker_func_t) do_inherit_constant_check, iface);
- zend_hash_merge_ex(&ce->function_table, &iface->function_table, (copy_ctor_func_t) do_inherit_method, sizeof(zend_function), (merge_checker_func_t) do_inherit_method_check, ce);
+ dest.brk_cont = CG(context).current_brk_cont;
+ dest.opline_num = get_next_op_number(CG(active_op_array));
- do_implement_interface(ce, iface TSRMLS_CC);
- zend_do_inherit_interfaces(ce, iface TSRMLS_CC);
+ if (!zend_hash_add_mem(CG(context).labels, label, &dest, sizeof(zend_label))) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Label '%s' already defined", label->val);
}
}
/* }}} */
-ZEND_API void zend_do_implement_trait(zend_class_entry *ce, zend_class_entry *trait TSRMLS_DC) /* {{{ */
+void zend_compile_while(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_uint i, ignore = 0;
- zend_uint current_trait_num = ce->num_traits;
- zend_uint parent_trait_num = ce->parent ? ce->parent->num_traits : 0;
+ zend_ast *cond_ast = ast->child[0];
+ zend_ast *stmt_ast = ast->child[1];
- for (i = 0; i < ce->num_traits; i++) {
- if (ce->traits[i] == NULL) {
- memmove(ce->traits + i, ce->traits + i + 1, sizeof(zend_class_entry*) * (--ce->num_traits - i));
- i--;
- } else if (ce->traits[i] == trait) {
- if (i < parent_trait_num) {
- ignore = 1;
- }
- }
- }
- if (!ignore) {
- if (ce->num_traits >= current_trait_num) {
- if (ce->type == ZEND_INTERNAL_CLASS) {
- ce->traits = (zend_class_entry **) realloc(ce->traits, sizeof(zend_class_entry *) * (++current_trait_num));
- } else {
- ce->traits = (zend_class_entry **) erealloc(ce->traits, sizeof(zend_class_entry *) * (++current_trait_num));
- }
- }
- ce->traits[ce->num_traits++] = trait;
- }
+ znode cond_node;
+ uint32_t opnum_start, opnum_jmpz;
+
+ opnum_start = get_next_op_number(CG(active_op_array));
+ zend_compile_expr(&cond_node, cond_ast TSRMLS_CC);
+
+ opnum_jmpz = zend_emit_cond_jump(ZEND_JMPZ, &cond_node, 0 TSRMLS_CC);
+ zend_begin_loop(TSRMLS_C);
+
+ zend_compile_stmt(stmt_ast TSRMLS_CC);
+
+ zend_emit_jump(opnum_start TSRMLS_CC);
+
+ zend_update_jump_target_to_next(opnum_jmpz TSRMLS_CC);
+
+ zend_end_loop(opnum_start, 0 TSRMLS_CC);
}
/* }}} */
-static zend_bool zend_traits_method_compatibility_check(zend_function *fn, zend_function *other_fn TSRMLS_DC) /* {{{ */
+void zend_compile_do_while(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_uint fn_flags = fn->common.scope->ce_flags;
- zend_uint other_flags = other_fn->common.scope->ce_flags;
+ zend_ast *stmt_ast = ast->child[0];
+ zend_ast *cond_ast = ast->child[1];
+
+ znode cond_node;
+ uint32_t opnum_start, opnum_cond;
+
+ zend_begin_loop(TSRMLS_C);
+
+ opnum_start = get_next_op_number(CG(active_op_array));
+ zend_compile_stmt(stmt_ast TSRMLS_CC);
- return zend_do_perform_implementation_check(fn, other_fn TSRMLS_CC)
- && ((other_fn->common.scope->ce_flags & ZEND_ACC_INTERFACE) || zend_do_perform_implementation_check(other_fn, fn TSRMLS_CC))
- && ((fn_flags & (ZEND_ACC_FINAL|ZEND_ACC_STATIC)) ==
- (other_flags & (ZEND_ACC_FINAL|ZEND_ACC_STATIC))); /* equal final and static qualifier */
+ opnum_cond = get_next_op_number(CG(active_op_array));
+ zend_compile_expr(&cond_node, cond_ast TSRMLS_CC);
+
+ zend_emit_cond_jump(ZEND_JMPNZ, &cond_node, opnum_start TSRMLS_CC);
+
+ zend_end_loop(opnum_cond, 0 TSRMLS_CC);
}
/* }}} */
-static void zend_add_magic_methods(zend_class_entry* ce, const char* mname, uint mname_len, zend_function* fe TSRMLS_DC) /* {{{ */
+void zend_compile_expr_list(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- if (!strncmp(mname, ZEND_CLONE_FUNC_NAME, mname_len)) {
- ce->clone = fe; fe->common.fn_flags |= ZEND_ACC_CLONE;
- } else if (!strncmp(mname, ZEND_CONSTRUCTOR_FUNC_NAME, mname_len)) {
- if (ce->constructor) {
- zend_error(E_COMPILE_ERROR, "%s has colliding constructor definitions coming from traits", ce->name);
- }
- ce->constructor = fe; fe->common.fn_flags |= ZEND_ACC_CTOR;
- } else if (!strncmp(mname, ZEND_DESTRUCTOR_FUNC_NAME, mname_len)) {
- ce->destructor = fe; fe->common.fn_flags |= ZEND_ACC_DTOR;
- } else if (!strncmp(mname, ZEND_GET_FUNC_NAME, mname_len)) {
- ce->__get = fe;
- } else if (!strncmp(mname, ZEND_SET_FUNC_NAME, mname_len)) {
- ce->__set = fe;
- } else if (!strncmp(mname, ZEND_CALL_FUNC_NAME, mname_len)) {
- ce->__call = fe;
- } else if (!strncmp(mname, ZEND_UNSET_FUNC_NAME, mname_len)) {
- ce->__unset = fe;
- } else if (!strncmp(mname, ZEND_ISSET_FUNC_NAME, mname_len)) {
- ce->__isset = fe;
- } else if (!strncmp(mname, ZEND_CALLSTATIC_FUNC_NAME, mname_len)) {
- ce->__callstatic = fe;
- } else if (!strncmp(mname, ZEND_TOSTRING_FUNC_NAME, mname_len)) {
- ce->__tostring = fe;
- } else if (ce->name_length + 1 == mname_len) {
- char *lowercase_name = emalloc(ce->name_length + 1);
- zend_str_tolower_copy(lowercase_name, ce->name, ce->name_length);
- lowercase_name = (char*)zend_new_interned_string(lowercase_name, ce->name_length + 1, 1 TSRMLS_CC);
- if (!memcmp(mname, lowercase_name, mname_len)) {
- if (ce->constructor) {
- zend_error(E_COMPILE_ERROR, "%s has colliding constructor definitions coming from traits", ce->name);
- }
- ce->constructor = fe;
- fe->common.fn_flags |= ZEND_ACC_CTOR;
- }
- str_efree(lowercase_name);
+ zend_ast_list *list;
+ uint32_t i;
+
+ result->op_type = IS_CONST;
+ ZVAL_TRUE(&result->u.constant);
+
+ if (!ast) {
+ return;
+ }
+
+ list = zend_ast_get_list(ast);
+ for (i = 0; i < list->children; ++i) {
+ zend_ast *expr_ast = list->child[i];
+
+ zend_do_free(result TSRMLS_CC);
+ zend_compile_expr(result, expr_ast TSRMLS_CC);
}
}
/* }}} */
-static void zend_add_trait_method(zend_class_entry *ce, const char *name, const char *arKey, uint nKeyLength, zend_function *fn, HashTable **overriden TSRMLS_DC) /* {{{ */
+void zend_compile_for(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_function *existing_fn = NULL;
- ulong h = zend_hash_func(arKey, nKeyLength);
+ zend_ast *init_ast = ast->child[0];
+ zend_ast *cond_ast = ast->child[1];
+ zend_ast *loop_ast = ast->child[2];
+ zend_ast *stmt_ast = ast->child[3];
- if (zend_hash_quick_find(&ce->function_table, arKey, nKeyLength, h, (void**) &existing_fn) == SUCCESS) {
- if (existing_fn->common.scope == ce) {
- /* members from the current class override trait methods */
- /* use temporary *overriden HashTable to detect hidden conflict */
- if (*overriden) {
- if (zend_hash_quick_find(*overriden, arKey, nKeyLength, h, (void**) &existing_fn) == SUCCESS) {
- if (existing_fn->common.fn_flags & ZEND_ACC_ABSTRACT) {
- /* Make sure the trait method is compatible with previosly declared abstract method */
- if (!zend_traits_method_compatibility_check(fn, existing_fn TSRMLS_CC)) {
- zend_error(E_COMPILE_ERROR, "Declaration of %s must be compatible with %s",
- zend_get_function_declaration(fn TSRMLS_CC),
- zend_get_function_declaration(existing_fn TSRMLS_CC));
- }
- } else if (fn->common.fn_flags & ZEND_ACC_ABSTRACT) {
- /* Make sure the abstract declaration is compatible with previous declaration */
- if (!zend_traits_method_compatibility_check(existing_fn, fn TSRMLS_CC)) {
- zend_error(E_COMPILE_ERROR, "Declaration of %s must be compatible with %s",
- zend_get_function_declaration(fn TSRMLS_CC),
- zend_get_function_declaration(existing_fn TSRMLS_CC));
- }
- return;
- }
- }
- } else {
- ALLOC_HASHTABLE(*overriden);
- zend_hash_init_ex(*overriden, 2, NULL, NULL, 0, 0);
- }
- zend_hash_quick_update(*overriden, arKey, nKeyLength, h, fn, sizeof(zend_function), (void**)&fn);
- return;
- } else if (existing_fn->common.fn_flags & ZEND_ACC_ABSTRACT) {
- /* Make sure the trait method is compatible with previosly declared abstract method */
- if (!zend_traits_method_compatibility_check(fn, existing_fn TSRMLS_CC)) {
- zend_error(E_COMPILE_ERROR, "Declaration of %s must be compatible with %s",
- zend_get_function_declaration(fn TSRMLS_CC),
- zend_get_function_declaration(existing_fn TSRMLS_CC));
- }
- } else if (fn->common.fn_flags & ZEND_ACC_ABSTRACT) {
- /* Make sure the abstract declaration is compatible with previous declaration */
- if (!zend_traits_method_compatibility_check(existing_fn, fn TSRMLS_CC)) {
- zend_error(E_COMPILE_ERROR, "Declaration of %s must be compatible with %s",
- zend_get_function_declaration(fn TSRMLS_CC),
- zend_get_function_declaration(existing_fn TSRMLS_CC));
- }
- return;
- } else if ((existing_fn->common.scope->ce_flags & ZEND_ACC_TRAIT) == ZEND_ACC_TRAIT) {
- /* two trais can't define the same non-abstract method */
-#if 1
- zend_error(E_COMPILE_ERROR, "Trait method %s has not been applied, because there are collisions with other trait methods on %s",
- name, ce->name);
-#else /* TODO: better errot message */
- zend_error(E_COMPILE_ERROR, "Trait method %s::%s has not been applied as %s::%s, because of collision with %s::%s",
- fn->common.scope->name, fn->common.function_name,
- ce->name, name,
- existing_fn->common.scope->name, existing_fn->common.function_name);
-#endif
- } else {
- /* inherited members are overridden by members inserted by traits */
- /* check whether the trait method fulfills the inheritance requirements */
- do_inheritance_check_on_method(fn, existing_fn TSRMLS_CC);
- }
- }
+ znode result;
+ uint32_t opnum_cond, opnum_jmpz, opnum_loop;
+
+ zend_compile_expr_list(&result, init_ast TSRMLS_CC);
+ zend_do_free(&result TSRMLS_CC);
+
+ opnum_cond = get_next_op_number(CG(active_op_array));
+ zend_compile_expr_list(&result, cond_ast TSRMLS_CC);
+ zend_do_extended_info(TSRMLS_C);
+
+ opnum_jmpz = zend_emit_cond_jump(ZEND_JMPZ, &result, 0 TSRMLS_CC);
+ zend_begin_loop(TSRMLS_C);
+
+ zend_compile_stmt(stmt_ast TSRMLS_CC);
+
+ opnum_loop = get_next_op_number(CG(active_op_array));
+ zend_compile_expr_list(&result, loop_ast TSRMLS_CC);
+ zend_do_free(&result TSRMLS_CC);
+
+ zend_emit_jump(opnum_cond TSRMLS_CC);
- function_add_ref(fn);
- zend_hash_quick_update(&ce->function_table, arKey, nKeyLength, h, fn, sizeof(zend_function), (void**)&fn);
- zend_add_magic_methods(ce, arKey, nKeyLength, fn TSRMLS_CC);
+ zend_update_jump_target_to_next(opnum_jmpz TSRMLS_CC);
+
+ zend_end_loop(opnum_loop, 0 TSRMLS_CC);
}
/* }}} */
-static int zend_fixup_trait_method(zend_function *fn, zend_class_entry *ce TSRMLS_DC) /* {{{ */
+void zend_compile_foreach(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- if ((fn->common.scope->ce_flags & ZEND_ACC_TRAIT) == ZEND_ACC_TRAIT) {
+ zend_ast *expr_ast = ast->child[0];
+ zend_ast *value_ast = ast->child[1];
+ zend_ast *key_ast = ast->child[2];
+ zend_ast *stmt_ast = ast->child[3];
+ zend_bool by_ref = value_ast->kind == ZEND_AST_REF;
+ zend_bool is_variable = zend_is_variable(expr_ast) && !zend_is_call(expr_ast)
+ && zend_can_write_to_variable(expr_ast);
- fn->common.scope = ce;
+ znode expr_node, reset_node, value_node, key_node;
+ zend_op *opline;
+ uint32_t opnum_reset, opnum_fetch;
- if (fn->common.fn_flags & ZEND_ACC_ABSTRACT) {
- ce->ce_flags |= ZEND_ACC_IMPLICIT_ABSTRACT_CLASS;
+ if (key_ast) {
+ if (key_ast->kind == ZEND_AST_REF) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Key element cannot be a reference");
}
- if (fn->op_array.static_variables) {
- ce->ce_flags |= ZEND_HAS_STATIC_IN_METHODS;
+ if (key_ast->kind == ZEND_AST_LIST) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use list as key element");
}
}
- return ZEND_HASH_APPLY_KEEP;
-}
-/* }}} */
-static int zend_traits_copy_functions(zend_function *fn TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
-{
- zend_class_entry *ce;
- HashTable **overriden;
- zend_trait_alias *alias, **alias_ptr;
- HashTable *exclude_table;
- char *lcname;
- unsigned int fnname_len;
- zend_function fn_copy;
- void *dummy;
+ if (by_ref) {
+ value_ast = value_ast->child[0];
+ }
- ce = va_arg(args, zend_class_entry*);
- overriden = va_arg(args, HashTable**);
- exclude_table = va_arg(args, HashTable*);
+ if (by_ref && is_variable) {
+ zend_compile_var(&expr_node, expr_ast, BP_VAR_W TSRMLS_CC);
+ } else {
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
+ }
- fnname_len = hash_key->nKeyLength - 1;
+ if (by_ref) {
+ zend_separate_if_call_and_write(&expr_node, expr_ast, BP_VAR_W TSRMLS_CC);
+ }
- /* apply aliases which are qualified with a class name, there should not be any ambiguity */
- if (ce->trait_aliases) {
- alias_ptr = ce->trait_aliases;
- alias = *alias_ptr;
- while (alias) {
- /* Scope unset or equal to the function we compare to, and the alias applies to fn */
- if (alias->alias != NULL
- && (!alias->trait_method->ce || fn->common.scope == alias->trait_method->ce)
- && alias->trait_method->mname_len == fnname_len
- && (zend_binary_strcasecmp(alias->trait_method->method_name, alias->trait_method->mname_len, hash_key->arKey, fnname_len) == 0)) {
- fn_copy = *fn;
+ opnum_reset = get_next_op_number(CG(active_op_array));
+ opline = zend_emit_op(&reset_node, ZEND_FE_RESET, &expr_node, NULL TSRMLS_CC);
+ if (by_ref && is_variable) {
+ opline->extended_value = ZEND_FE_FETCH_BYREF;
+ }
- /* if it is 0, no modifieres has been changed */
- if (alias->modifiers) {
- fn_copy.common.fn_flags = alias->modifiers | (fn->common.fn_flags ^ (fn->common.fn_flags & ZEND_ACC_PPP_MASK));
- }
+ zend_stack_push(&CG(loop_var_stack), &reset_node);
- lcname = zend_str_tolower_dup(alias->alias, alias->alias_len);
- zend_add_trait_method(ce, alias->alias, lcname, alias->alias_len+1, &fn_copy, overriden TSRMLS_CC);
- efree(lcname);
+ opnum_fetch = get_next_op_number(CG(active_op_array));
+ opline = zend_emit_op(&value_node, ZEND_FE_FETCH, &reset_node, NULL TSRMLS_CC);
+ if (by_ref) {
+ opline->extended_value |= ZEND_FE_FETCH_BYREF;
+ }
+ if (key_ast) {
+ opline->extended_value |= ZEND_FE_FETCH_WITH_KEY;
+ }
- /* Record the trait from which this alias was resolved. */
- if (!alias->trait_method->ce) {
- alias->trait_method->ce = fn->common.scope;
- }
- }
- alias_ptr++;
- alias = *alias_ptr;
- }
+ opline = zend_emit_op(NULL, ZEND_OP_DATA, NULL, NULL TSRMLS_CC);
+
+ /* Allocate enough space to keep HashPointer on VM stack */
+ opline->op1_type = IS_TMP_VAR;
+ opline->op1.var = get_temporary_variable(CG(active_op_array));
+ if (sizeof(HashPointer) > sizeof(zval)) {
+ /* Make sure 1 zval is enough for HashPointer (2 must be enough) */
+ get_temporary_variable(CG(active_op_array));
}
- lcname = (char *) hash_key->arKey;
+ if (key_ast) {
+ zend_make_tmp_result(&key_node, opline TSRMLS_CC);
+ }
- if (exclude_table == NULL || zend_hash_find(exclude_table, lcname, fnname_len, &dummy) == FAILURE) {
- /* is not in hashtable, thus, function is not to be excluded */
- fn_copy = *fn;
+ if (by_ref) {
+ zend_emit_assign_ref_znode(value_ast, &value_node TSRMLS_CC);
+ } else {
+ zend_emit_assign_znode(value_ast, &value_node TSRMLS_CC);
+ }
- /* apply aliases which have not alias name, just setting visibility */
- if (ce->trait_aliases) {
- alias_ptr = ce->trait_aliases;
- alias = *alias_ptr;
- while (alias) {
- /* Scope unset or equal to the function we compare to, and the alias applies to fn */
- if (alias->alias == NULL && alias->modifiers != 0
- && (!alias->trait_method->ce || fn->common.scope == alias->trait_method->ce)
- && (alias->trait_method->mname_len == fnname_len)
- && (zend_binary_strcasecmp(alias->trait_method->method_name, alias->trait_method->mname_len, lcname, fnname_len) == 0)) {
+ if (key_ast) {
+ zend_emit_assign_znode(key_ast, &key_node TSRMLS_CC);
+ }
- fn_copy.common.fn_flags = alias->modifiers | (fn->common.fn_flags ^ (fn->common.fn_flags & ZEND_ACC_PPP_MASK));
+ zend_begin_loop(TSRMLS_C);
- /** Record the trait from which this alias was resolved. */
- if (!alias->trait_method->ce) {
- alias->trait_method->ce = fn->common.scope;
- }
- }
- alias_ptr++;
- alias = *alias_ptr;
- }
- }
+ zend_compile_stmt(stmt_ast TSRMLS_CC);
- zend_add_trait_method(ce, fn->common.function_name, lcname, fnname_len+1, &fn_copy, overriden TSRMLS_CC);
- }
+ zend_emit_jump(opnum_fetch TSRMLS_CC);
+
+ opline = &CG(active_op_array)->opcodes[opnum_reset];
+ opline->op2.opline_num = get_next_op_number(CG(active_op_array));
+
+ opline = &CG(active_op_array)->opcodes[opnum_fetch];
+ opline->op2.opline_num = get_next_op_number(CG(active_op_array));
+
+ zend_end_loop(opnum_fetch, 1 TSRMLS_CC);
- return ZEND_HASH_APPLY_KEEP;
+ generate_free_loop_var(&reset_node TSRMLS_CC);
+ zend_stack_del_top(&CG(loop_var_stack));
}
/* }}} */
-static void zend_check_trait_usage(zend_class_entry *ce, zend_class_entry *trait TSRMLS_DC) /* {{{ */
+void zend_compile_if(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_uint i;
+ zend_ast_list *list = zend_ast_get_list(ast);
+ uint32_t i;
+ uint32_t *jmp_opnums;
+
+ if (list->children > 1) {
+ jmp_opnums = safe_emalloc(sizeof(uint32_t), list->children - 1, 0);
+ }
+
+ for (i = 0; i < list->children; ++i) {
+ zend_ast *elem_ast = list->child[i];
+ zend_ast *cond_ast = elem_ast->child[0];
+ zend_ast *stmt_ast = elem_ast->child[1];
- if ((trait->ce_flags & ZEND_ACC_TRAIT) != ZEND_ACC_TRAIT) {
- zend_error(E_COMPILE_ERROR, "Class %s is not a trait, Only traits may be used in 'as' and 'insteadof' statements", trait->name);
+ znode cond_node;
+ uint32_t opnum_jmpz;
+ if (cond_ast) {
+ zend_compile_expr(&cond_node, cond_ast TSRMLS_CC);
+ opnum_jmpz = zend_emit_cond_jump(ZEND_JMPZ, &cond_node, 0 TSRMLS_CC);
+ }
+
+ zend_compile_stmt(stmt_ast TSRMLS_CC);
+
+ if (i != list->children - 1) {
+ jmp_opnums[i] = zend_emit_jump(0 TSRMLS_CC);
+ }
+
+ if (cond_ast) {
+ zend_update_jump_target_to_next(opnum_jmpz TSRMLS_CC);
+ }
}
- for (i = 0; i < ce->num_traits; i++) {
- if (ce->traits[i] == trait) {
- return;
+ if (list->children > 1) {
+ for (i = 0; i < list->children - 1; ++i) {
+ zend_update_jump_target_to_next(jmp_opnums[i] TSRMLS_CC);
}
+ efree(jmp_opnums);
}
- zend_error(E_COMPILE_ERROR, "Required Trait %s wasn't added to %s", trait->name, ce->name);
}
/* }}} */
-static void zend_traits_init_trait_structures(zend_class_entry *ce TSRMLS_DC) /* {{{ */
+void zend_compile_switch(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- size_t i, j = 0;
- zend_trait_precedence *cur_precedence;
- zend_trait_method_reference *cur_method_ref;
- char *lcname;
- zend_bool method_exists;
+ zend_ast *expr_ast = ast->child[0];
+ zend_ast_list *cases = zend_ast_get_list(ast->child[1]);
- /* resolve class references */
- if (ce->trait_precedences) {
- i = 0;
- while ((cur_precedence = ce->trait_precedences[i])) {
- /** Resolve classes for all precedence operations. */
- if (cur_precedence->exclude_from_classes) {
- cur_method_ref = cur_precedence->trait_method;
- if (!(cur_precedence->trait_method->ce = zend_fetch_class(cur_method_ref->class_name, cur_method_ref->cname_len,
- ZEND_FETCH_CLASS_TRAIT|ZEND_FETCH_CLASS_NO_AUTOLOAD TSRMLS_CC))) {
- zend_error(E_COMPILE_ERROR, "Could not find trait %s", cur_method_ref->class_name);
- }
- zend_check_trait_usage(ce, cur_precedence->trait_method->ce TSRMLS_CC);
-
- /** Ensure that the prefered method is actually available. */
- lcname = zend_str_tolower_dup(cur_method_ref->method_name,
- cur_method_ref->mname_len);
- method_exists = zend_hash_exists(&cur_method_ref->ce->function_table,
- lcname,
- cur_method_ref->mname_len + 1);
- efree(lcname);
- if (!method_exists) {
- zend_error(E_COMPILE_ERROR,
- "A precedence rule was defined for %s::%s but this method does not exist",
- cur_method_ref->ce->name,
- cur_method_ref->method_name);
- }
+ uint32_t i;
+ zend_bool has_default_case = 0;
- /** With the other traits, we are more permissive.
- We do not give errors for those. This allows to be more
- defensive in such definitions.
- However, we want to make sure that the insteadof declaration
- is consistent in itself.
- */
- j = 0;
- while (cur_precedence->exclude_from_classes[j]) {
- char* class_name = (char*)cur_precedence->exclude_from_classes[j];
- zend_uint name_length = strlen(class_name);
-
- if (!(cur_precedence->exclude_from_classes[j] = zend_fetch_class(class_name, name_length, ZEND_FETCH_CLASS_TRAIT |ZEND_FETCH_CLASS_NO_AUTOLOAD TSRMLS_CC))) {
- zend_error(E_COMPILE_ERROR, "Could not find trait %s", class_name);
- }
- zend_check_trait_usage(ce, cur_precedence->exclude_from_classes[j] TSRMLS_CC);
-
- /* make sure that the trait method is not from a class mentioned in
- exclude_from_classes, for consistency */
- if (cur_precedence->trait_method->ce == cur_precedence->exclude_from_classes[i]) {
- zend_error(E_COMPILE_ERROR,
- "Inconsistent insteadof definition. "
- "The method %s is to be used from %s, but %s is also on the exclude list",
- cur_method_ref->method_name,
- cur_precedence->trait_method->ce->name,
- cur_precedence->trait_method->ce->name);
- }
+ znode expr_node, case_node;
+ zend_op *opline;
+ uint32_t *jmpnz_opnums = safe_emalloc(sizeof(uint32_t), cases->children, 0);
+ uint32_t opnum_default_jmp;
- efree(class_name);
- j++;
- }
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
+
+ zend_stack_push(&CG(loop_var_stack), &expr_node);
+
+ zend_begin_loop(TSRMLS_C);
+
+ case_node.op_type = IS_TMP_VAR;
+ case_node.u.op.var = get_temporary_variable(CG(active_op_array));
+
+ for (i = 0; i < cases->children; ++i) {
+ zend_ast *case_ast = cases->child[i];
+ zend_ast *cond_ast = case_ast->child[0];
+ znode cond_node;
+
+ if (!cond_ast) {
+ if (has_default_case) {
+ CG(zend_lineno) = case_ast->lineno;
+ zend_error_noreturn(E_COMPILE_ERROR,
+ "Switch statements may only contain one default clause");
}
- i++;
+ has_default_case = 1;
+ continue;
+ }
+
+ zend_compile_expr(&cond_node, cond_ast TSRMLS_CC);
+
+ opline = zend_emit_op(NULL, ZEND_CASE, &expr_node, &cond_node TSRMLS_CC);
+ SET_NODE(opline->result, &case_node);
+ if (opline->op1_type == IS_CONST) {
+ zval_copy_ctor(&CONSTANT(opline->op1.constant));
}
+
+ jmpnz_opnums[i] = zend_emit_cond_jump(ZEND_JMPNZ, &case_node, 0 TSRMLS_CC);
}
- if (ce->trait_aliases) {
- i = 0;
- while (ce->trait_aliases[i]) {
- /** For all aliases with an explicit class name, resolve the class now. */
- if (ce->trait_aliases[i]->trait_method->class_name) {
- cur_method_ref = ce->trait_aliases[i]->trait_method;
- if (!(cur_method_ref->ce = zend_fetch_class(cur_method_ref->class_name, cur_method_ref->cname_len, ZEND_FETCH_CLASS_TRAIT|ZEND_FETCH_CLASS_NO_AUTOLOAD TSRMLS_CC))) {
- zend_error(E_COMPILE_ERROR, "Could not find trait %s", cur_method_ref->class_name);
- }
- zend_check_trait_usage(ce, cur_method_ref->ce TSRMLS_CC);
+ opnum_default_jmp = zend_emit_jump(0 TSRMLS_CC);
- /** And, ensure that the referenced method is resolvable, too. */
- lcname = zend_str_tolower_dup(cur_method_ref->method_name,
- cur_method_ref->mname_len);
- method_exists = zend_hash_exists(&cur_method_ref->ce->function_table,
- lcname, cur_method_ref->mname_len + 1);
- efree(lcname);
+ for (i = 0; i < cases->children; ++i) {
+ zend_ast *case_ast = cases->child[i];
+ zend_ast *cond_ast = case_ast->child[0];
+ zend_ast *stmt_ast = case_ast->child[1];
- if (!method_exists) {
- zend_error(E_COMPILE_ERROR, "An alias was defined for %s::%s but this method does not exist", cur_method_ref->ce->name, cur_method_ref->method_name);
- }
- }
- i++;
+ if (cond_ast) {
+ zend_update_jump_target_to_next(jmpnz_opnums[i] TSRMLS_CC);
+ } else {
+ zend_update_jump_target_to_next(opnum_default_jmp TSRMLS_CC);
}
+
+ zend_compile_stmt(stmt_ast TSRMLS_CC);
+ }
+
+ if (!has_default_case) {
+ zend_update_jump_target_to_next(opnum_default_jmp TSRMLS_CC);
}
+
+ zend_end_loop(get_next_op_number(CG(active_op_array)), 1 TSRMLS_CC);
+
+ if (expr_node.op_type == IS_VAR || expr_node.op_type == IS_TMP_VAR) {
+ zend_emit_op(NULL, ZEND_FREE,
+ &expr_node, NULL TSRMLS_CC);
+ } else if (expr_node.op_type == IS_CONST) {
+ zval_dtor(&expr_node.u.constant);
+ }
+
+ zend_stack_del_top(&CG(loop_var_stack));
+ efree(jmpnz_opnums);
}
/* }}} */
-static void zend_traits_compile_exclude_table(HashTable* exclude_table, zend_trait_precedence **precedences, zend_class_entry *trait) /* {{{ */
+void zend_compile_try(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- size_t i = 0, j;
+ zend_ast *try_ast = ast->child[0];
+ zend_ast_list *catches = zend_ast_get_list(ast->child[1]);
+ zend_ast *finally_ast = ast->child[2];
- if (!precedences) {
- return;
+ uint32_t i;
+ zend_op *opline;
+ uint32_t try_catch_offset = zend_add_try_element(
+ get_next_op_number(CG(active_op_array)) TSRMLS_CC);
+ uint32_t *jmp_opnums = safe_emalloc(sizeof(uint32_t), catches->children, 0);
+
+ if (catches->children == 0 && !finally_ast) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use try without catch or finally");
}
- while (precedences[i]) {
- if (precedences[i]->exclude_from_classes) {
- j = 0;
- while (precedences[i]->exclude_from_classes[j]) {
- if (precedences[i]->exclude_from_classes[j] == trait) {
- zend_uint lcname_len = precedences[i]->trait_method->mname_len;
- char *lcname = zend_str_tolower_dup(precedences[i]->trait_method->method_name, lcname_len);
-
- if (zend_hash_add(exclude_table, lcname, lcname_len, NULL, 0, NULL) == FAILURE) {
- efree(lcname);
- zend_error(E_COMPILE_ERROR, "Failed to evaluate a trait precedence (%s). Method of trait %s was defined to be excluded multiple times", precedences[i]->trait_method->method_name, trait->name);
- }
- efree(lcname);
- }
- ++j;
- }
- }
- ++i;
+
+ zend_compile_stmt(try_ast TSRMLS_CC);
+
+ if (catches->children != 0) {
+ jmp_opnums[0] = zend_emit_jump(0 TSRMLS_CC);
}
-}
-/* }}} */
-static void zend_do_traits_method_binding(zend_class_entry *ce TSRMLS_DC) /* {{{ */
-{
- zend_uint i;
- HashTable *overriden = NULL;
+ for (i = 0; i < catches->children; ++i) {
+ zend_ast *catch_ast = catches->child[i];
+ zend_ast *class_ast = catch_ast->child[0];
+ zend_ast *var_ast = catch_ast->child[1];
+ zend_ast *stmt_ast = catch_ast->child[2];
+ zval *var_name = zend_ast_get_zval(var_ast);
+ zend_bool is_last_catch = (i + 1 == catches->children);
- for (i = 0; i < ce->num_traits; i++) {
- if (ce->trait_precedences) {
- HashTable exclude_table;
+ uint32_t opnum_catch;
- /* TODO: revisit this start size, may be its not optimal */
- zend_hash_init_ex(&exclude_table, 2, NULL, NULL, 0, 0);
+ if (!zend_is_const_default_class_ref(class_ast)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Bad class name in the catch statement");
+ }
- zend_traits_compile_exclude_table(&exclude_table, ce->trait_precedences, ce->traits[i]);
+ opnum_catch = get_next_op_number(CG(active_op_array));
+ if (i == 0) {
+ CG(active_op_array)->try_catch_array[try_catch_offset].catch_op = opnum_catch;
+ }
- /* copies functions, applies defined aliasing, and excludes unused trait methods */
- zend_hash_apply_with_arguments(&ce->traits[i]->function_table TSRMLS_CC, (apply_func_args_t)zend_traits_copy_functions, 3, ce, &overriden, &exclude_table);
+ CG(zend_lineno) = catch_ast->lineno;
- zend_hash_destroy(&exclude_table);
- } else {
- zend_hash_apply_with_arguments(&ce->traits[i]->function_table TSRMLS_CC, (apply_func_args_t)zend_traits_copy_functions, 3, ce, &overriden, NULL);
+ opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ opline->opcode = ZEND_CATCH;
+ opline->op1_type = IS_CONST;
+ opline->op1.constant = zend_add_class_name_literal(CG(active_op_array),
+ zend_resolve_class_name_ast(class_ast TSRMLS_CC) TSRMLS_CC);
+
+ opline->op2_type = IS_CV;
+ opline->op2.var = lookup_cv(CG(active_op_array), zend_string_copy(Z_STR_P(var_name)) TSRMLS_CC);
+ opline->result.num = is_last_catch;
+
+ zend_compile_stmt(stmt_ast TSRMLS_CC);
+
+ if (!is_last_catch) {
+ jmp_opnums[i + 1] = zend_emit_jump(0 TSRMLS_CC);
}
- }
- zend_hash_apply_with_argument(&ce->function_table, (apply_func_arg_t)zend_fixup_trait_method, ce TSRMLS_CC);
+ opline = &CG(active_op_array)->opcodes[opnum_catch];
+ opline->extended_value = get_next_op_number(CG(active_op_array));
+ }
- if (overriden) {
- zend_hash_destroy(overriden);
- FREE_HASHTABLE(overriden);
+ for (i = 0; i < catches->children; ++i) {
+ zend_update_jump_target_to_next(jmp_opnums[i] TSRMLS_CC);
}
-}
-/* }}} */
-static zend_class_entry* find_first_definition(zend_class_entry *ce, size_t current_trait, const char* prop_name, int prop_name_length, ulong prop_hash, zend_class_entry *coliding_ce) /* {{{ */
-{
- size_t i;
+ if (finally_ast) {
+ uint32_t opnum_jmp = get_next_op_number(CG(active_op_array)) + 1;
- if (coliding_ce == ce) {
- for (i = 0; i < current_trait; i++) {
- if (zend_hash_quick_exists(&ce->traits[i]->properties_info, prop_name, prop_name_length+1, prop_hash)) {
- return ce->traits[i];
- }
- }
+ opline = zend_emit_op(NULL, ZEND_FAST_CALL, NULL, NULL TSRMLS_CC);
+ opline->op1.opline_num = opnum_jmp + 1;
+
+ zend_emit_op(NULL, ZEND_JMP, NULL, NULL TSRMLS_CC);
+
+ CG(context).in_finally++;
+ zend_compile_stmt(finally_ast TSRMLS_CC);
+ CG(context).in_finally--;
+
+ CG(active_op_array)->try_catch_array[try_catch_offset].finally_op = opnum_jmp + 1;
+ CG(active_op_array)->try_catch_array[try_catch_offset].finally_end
+ = get_next_op_number(CG(active_op_array));
+ CG(active_op_array)->fn_flags |= ZEND_ACC_HAS_FINALLY_BLOCK;
+
+ zend_emit_op(NULL, ZEND_FAST_RET, NULL, NULL TSRMLS_CC);
+
+ zend_update_jump_target_to_next(opnum_jmp TSRMLS_CC);
}
- return coliding_ce;
+ efree(jmp_opnums);
}
/* }}} */
-static void zend_do_traits_property_binding(zend_class_entry *ce TSRMLS_DC) /* {{{ */
+/* Encoding declarations must already be handled during parsing */
+void zend_handle_encoding_declaration(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- size_t i;
- zend_property_info *property_info;
- zend_property_info *coliding_prop;
- zval compare_result;
- const char* prop_name;
- int prop_name_length;
- ulong prop_hash;
- const char* class_name_unused;
- zend_bool not_compatible;
- zval* prop_value;
- char* doc_comment;
- zend_uint flags;
+ zend_ast_list *declares = zend_ast_get_list(ast);
+ uint32_t i;
+ for (i = 0; i < declares->children; ++i) {
+ zend_ast *declare_ast = declares->child[i];
+ zend_ast *name_ast = declare_ast->child[0];
+ zend_ast *value_ast = declare_ast->child[1];
+ zend_string *name = zend_ast_get_str(name_ast);
- /* In the following steps the properties are inserted into the property table
- * for that, a very strict approach is applied:
- * - check for compatibility, if not compatible with any property in class -> fatal
- * - if compatible, then strict notice
- */
- for (i = 0; i < ce->num_traits; i++) {
- for (zend_hash_internal_pointer_reset(&ce->traits[i]->properties_info);
- zend_hash_get_current_data(&ce->traits[i]->properties_info, (void *) &property_info) == SUCCESS;
- zend_hash_move_forward(&ce->traits[i]->properties_info)) {
- /* first get the unmangeld name if necessary,
- * then check whether the property is already there
- */
- flags = property_info->flags;
- if ((flags & ZEND_ACC_PPP_MASK) == ZEND_ACC_PUBLIC) {
- prop_hash = property_info->h;
- prop_name = property_info->name;
- prop_name_length = property_info->name_length;
- } else {
- /* for private and protected we need to unmangle the names */
- zend_unmangle_property_name_ex(property_info->name, property_info->name_length,
- &class_name_unused, &prop_name, &prop_name_length);
- prop_hash = zend_get_hash_value(prop_name, prop_name_length + 1);
+ if (zend_string_equals_literal_ci(name, "encoding")) {
+ if (value_ast->kind != ZEND_AST_ZVAL) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Encoding must be a literal");
}
- /* next: check for conflicts with current class */
- if (zend_hash_quick_find(&ce->properties_info, prop_name, prop_name_length+1, prop_hash, (void **) &coliding_prop) == SUCCESS) {
- if (coliding_prop->flags & ZEND_ACC_SHADOW) {
- zend_hash_quick_del(&ce->properties_info, prop_name, prop_name_length+1, prop_hash);
- flags |= ZEND_ACC_CHANGED;
- } else {
- if ((coliding_prop->flags & (ZEND_ACC_PPP_MASK | ZEND_ACC_STATIC))
- == (flags & (ZEND_ACC_PPP_MASK | ZEND_ACC_STATIC))) {
- /* flags are identical, now the value needs to be checked */
- if (flags & ZEND_ACC_STATIC) {
- not_compatible = (FAILURE == compare_function(&compare_result,
- ce->default_static_members_table[coliding_prop->offset],
- ce->traits[i]->default_static_members_table[property_info->offset] TSRMLS_CC))
- || (Z_LVAL(compare_result) != 0);
- } else {
- not_compatible = (FAILURE == compare_function(&compare_result,
- ce->default_properties_table[coliding_prop->offset],
- ce->traits[i]->default_properties_table[property_info->offset] TSRMLS_CC))
- || (Z_LVAL(compare_result) != 0);
- }
- } else {
- /* the flags are not identical, thus, we assume properties are not compatible */
- not_compatible = 1;
- }
+ if (CG(multibyte)) {
+ zend_string *encoding_name = zval_get_string(zend_ast_get_zval(value_ast));
- if (not_compatible) {
- zend_error(E_COMPILE_ERROR,
- "%s and %s define the same property ($%s) in the composition of %s. However, the definition differs and is considered incompatible. Class was composed",
- find_first_definition(ce, i, prop_name, prop_name_length, prop_hash, coliding_prop->ce)->name,
- property_info->ce->name,
- prop_name,
- ce->name);
- } else {
- zend_error(E_STRICT,
- "%s and %s define the same property ($%s) in the composition of %s. This might be incompatible, to improve maintainability consider using accessor methods in traits instead. Class was composed",
- find_first_definition(ce, i, prop_name, prop_name_length, prop_hash, coliding_prop->ce)->name,
- property_info->ce->name,
- prop_name,
- ce->name);
- continue;
+ const zend_encoding *new_encoding, *old_encoding;
+ zend_encoding_filter old_input_filter;
+
+ CG(encoding_declared) = 1;
+
+ new_encoding = zend_multibyte_fetch_encoding(encoding_name->val TSRMLS_CC);
+ if (!new_encoding) {
+ zend_error(E_COMPILE_WARNING, "Unsupported encoding [%s]", encoding_name->val);
+ } else {
+ old_input_filter = LANG_SCNG(input_filter);
+ old_encoding = LANG_SCNG(script_encoding);
+ zend_multibyte_set_filter(new_encoding TSRMLS_CC);
+
+ /* need to re-scan if input filter changed */
+ if (old_input_filter != LANG_SCNG(input_filter) ||
+ (old_input_filter && new_encoding != old_encoding)) {
+ zend_multibyte_yyinput_again(old_input_filter, old_encoding TSRMLS_CC);
}
}
- }
- /* property not found, so lets add it */
- if (flags & ZEND_ACC_STATIC) {
- prop_value = ce->traits[i]->default_static_members_table[property_info->offset];
+ zend_string_release(encoding_name);
} else {
- prop_value = ce->traits[i]->default_properties_table[property_info->offset];
+ zend_error(E_COMPILE_WARNING, "declare(encoding=...) ignored because "
+ "Zend multibyte feature is turned off by settings");
}
- Z_ADDREF_P(prop_value);
-
- doc_comment = property_info->doc_comment ? estrndup(property_info->doc_comment, property_info->doc_comment_len) : NULL;
- zend_declare_property_ex(ce, prop_name, prop_name_length,
- prop_value, flags,
- doc_comment, property_info->doc_comment_len TSRMLS_CC);
}
}
}
/* }}} */
-static void zend_do_check_for_inconsistent_traits_aliasing(zend_class_entry *ce TSRMLS_DC) /* {{{ */
+void zend_compile_declare(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- int i = 0;
- zend_trait_alias* cur_alias;
- char* lc_method_name;
-
- if (ce->trait_aliases) {
- while (ce->trait_aliases[i]) {
- cur_alias = ce->trait_aliases[i];
- /** The trait for this alias has not been resolved, this means, this
- alias was not applied. Abort with an error. */
- if (!cur_alias->trait_method->ce) {
- if (cur_alias->alias) {
- /** Plain old inconsistency/typo/bug */
- zend_error(E_COMPILE_ERROR,
- "An alias (%s) was defined for method %s(), but this method does not exist",
- cur_alias->alias,
- cur_alias->trait_method->method_name);
- } else {
- /** Here are two possible cases:
- 1) this is an attempt to modifiy the visibility
- of a method introduce as part of another alias.
- Since that seems to violate the DRY principle,
- we check against it and abort.
- 2) it is just a plain old inconsitency/typo/bug
- as in the case where alias is set. */
-
- lc_method_name = zend_str_tolower_dup(cur_alias->trait_method->method_name,
- cur_alias->trait_method->mname_len);
- if (zend_hash_exists(&ce->function_table,
- lc_method_name,
- cur_alias->trait_method->mname_len+1)) {
- efree(lc_method_name);
- zend_error(E_COMPILE_ERROR,
- "The modifiers for the trait alias %s() need to be changed in the same statment in which the alias is defined. Error",
- cur_alias->trait_method->method_name);
- } else {
- efree(lc_method_name);
- zend_error(E_COMPILE_ERROR,
- "The modifiers of the trait method %s() are changed, but this method does not exist. Error",
- cur_alias->trait_method->method_name);
+ zend_ast_list *declares = zend_ast_get_list(ast->child[0]);
+ zend_ast *stmt_ast = ast->child[1];
+ zend_declarables orig_declarables = CG(declarables);
+ uint32_t i;
- }
- }
+ for (i = 0; i < declares->children; ++i) {
+ zend_ast *declare_ast = declares->child[i];
+ zend_ast *name_ast = declare_ast->child[0];
+ zend_ast *value_ast = declare_ast->child[1];
+
+ zend_string *name = zend_ast_get_str(name_ast);
+ if (zend_string_equals_literal_ci(name, "ticks")) {
+ zval value_zv;
+ zend_const_expr_to_zval(&value_zv, value_ast TSRMLS_CC);
+ convert_to_long(&value_zv);
+ ZVAL_COPY_VALUE(&CG(declarables).ticks, &value_zv);
+ zval_dtor(&value_zv);
+ } else if (zend_string_equals_literal_ci(name, "encoding")) {
+ /* Encoding declaration was already handled during parsing. Here we
+ * only check that it is the first statement in the file. */
+ uint32_t num = CG(active_op_array)->last;
+ while (num > 0 &&
+ (CG(active_op_array)->opcodes[num-1].opcode == ZEND_EXT_STMT ||
+ CG(active_op_array)->opcodes[num-1].opcode == ZEND_TICKS)) {
+ --num;
}
- i++;
+
+ if (num > 0) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Encoding declaration pragma must be "
+ "the very first statement in the script");
+ }
+ } else {
+ zend_error(E_COMPILE_WARNING, "Unsupported declare '%s'", name->val);
}
}
+
+ if (stmt_ast) {
+ zend_compile_stmt(stmt_ast TSRMLS_CC);
+
+ CG(declarables) = orig_declarables;
+ }
}
/* }}} */
-ZEND_API void zend_do_bind_traits(zend_class_entry *ce TSRMLS_DC) /* {{{ */
+void zend_compile_stmt_list(zend_ast *ast TSRMLS_DC) /* {{{ */
{
+ zend_ast_list *list = zend_ast_get_list(ast);
+ uint32_t i;
+ for (i = 0; i < list->children; ++i) {
+ zend_compile_stmt(list->child[i] TSRMLS_CC);
+ }
+}
+/* }}} */
+
+void zend_compile_params(zend_ast *ast TSRMLS_DC) /* {{{ */
+{
+ zend_ast_list *list = zend_ast_get_list(ast);
+ uint32_t i;
+ zend_op_array *op_array = CG(active_op_array);
+ zend_arg_info *arg_infos;
- if (ce->num_traits <= 0) {
+ if (list->children == 0) {
return;
}
+
+ arg_infos = safe_emalloc(sizeof(zend_arg_info), list->children, 0);
+ for (i = 0; i < list->children; ++i) {
+ zend_ast *param_ast = list->child[i];
+ zend_ast *type_ast = param_ast->child[0];
+ zend_ast *var_ast = param_ast->child[1];
+ zend_ast *default_ast = param_ast->child[2];
+ zend_string *name = zend_ast_get_str(var_ast);
+ zend_bool is_ref = (param_ast->attr & ZEND_PARAM_REF) != 0;
+ zend_bool is_variadic = (param_ast->attr & ZEND_PARAM_VARIADIC) != 0;
+
+ znode var_node, default_node;
+ zend_uchar opcode;
+ zend_op *opline;
+ zend_arg_info *arg_info;
- /* complete initialization of trait strutures in ce */
- zend_traits_init_trait_structures(ce TSRMLS_CC);
+ if (zend_is_auto_global(name TSRMLS_CC)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot re-assign auto-global variable %s",
+ name->val);
+ }
- /* first care about all methods to be flattened into the class */
- zend_do_traits_method_binding(ce TSRMLS_CC);
+ var_node.op_type = IS_CV;
+ var_node.u.op.var = lookup_cv(CG(active_op_array), zend_string_copy(name) TSRMLS_CC);
- /* Aliases which have not been applied indicate typos/bugs. */
- zend_do_check_for_inconsistent_traits_aliasing(ce TSRMLS_CC);
+ if (EX_VAR_TO_NUM(var_node.u.op.var) != i) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Redefinition of parameter $%s",
+ name->val);
+ } else if (zend_string_equals_literal(name, "this")) {
+ if (op_array->scope && (op_array->fn_flags & ZEND_ACC_STATIC) == 0) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot re-assign $this");
+ }
+ op_array->this_var = var_node.u.op.var;
+ }
- /* then flatten the properties into it, to, mostly to notfiy developer about problems */
- zend_do_traits_property_binding(ce TSRMLS_CC);
+ if (op_array->fn_flags & ZEND_ACC_VARIADIC) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Only the last parameter can be variadic");
+ }
- /* verify that all abstract methods from traits have been implemented */
- zend_verify_abstract_class(ce TSRMLS_CC);
+ if (is_variadic) {
+ opcode = ZEND_RECV_VARIADIC;
+ default_node.op_type = IS_UNUSED;
+ op_array->fn_flags |= ZEND_ACC_VARIADIC;
- /* now everything should be fine and an added ZEND_ACC_IMPLICIT_ABSTRACT_CLASS should be removed */
- if (ce->ce_flags & ZEND_ACC_IMPLICIT_ABSTRACT_CLASS) {
- ce->ce_flags -= ZEND_ACC_IMPLICIT_ABSTRACT_CLASS;
- }
-}
-/* }}} */
+ if (default_ast) {
+ zend_error_noreturn(E_COMPILE_ERROR,
+ "Variadic parameter cannot have a default value");
+ }
+ } else if (default_ast) {
+ opcode = ZEND_RECV_INIT;
+ default_node.op_type = IS_CONST;
+ zend_const_expr_to_zval(&default_node.u.constant, default_ast TSRMLS_CC);
+ } else {
+ opcode = ZEND_RECV;
+ default_node.op_type = IS_UNUSED;
+ op_array->required_num_args = i + 1;
+ }
+
+ opline = zend_emit_op(NULL, opcode, NULL, &default_node TSRMLS_CC);
+ SET_NODE(opline->result, &var_node);
+ opline->op1.num = i + 1;
+
+ arg_info = &arg_infos[i];
+ arg_info->name = estrndup(name->val, name->len);
+ arg_info->name_len = name->len;
+ arg_info->pass_by_reference = is_ref;
+ arg_info->is_variadic = is_variadic;
+ arg_info->type_hint = 0;
+ arg_info->allow_null = 1;
+ arg_info->class_name = NULL;
+ arg_info->class_name_len = 0;
+
+ if (type_ast) {
+ zend_bool has_null_default = default_ast
+ && (Z_TYPE(default_node.u.constant) == IS_NULL
+ || (Z_TYPE(default_node.u.constant) == IS_CONSTANT
+ && strcasecmp(Z_STRVAL(default_node.u.constant), "NULL") == 0)
+ || Z_TYPE(default_node.u.constant) == IS_CONSTANT_AST); // ???
+
+ op_array->fn_flags |= ZEND_ACC_HAS_TYPE_HINTS;
+ arg_info->allow_null = has_null_default;
+
+ if (type_ast->kind == ZEND_AST_TYPE) {
+ arg_info->type_hint = type_ast->attr;
+ if (arg_info->type_hint == IS_ARRAY) {
+ if (default_ast && !has_null_default
+ && Z_TYPE(default_node.u.constant) != IS_ARRAY
+ ) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Default value for parameters "
+ "with array type hint can only be an array or NULL");
+ }
+ } else if (arg_info->type_hint == IS_CALLABLE && default_ast) {
+ if (!has_null_default) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Default value for parameters "
+ "with callable type hint can only be NULL");
+ }
+ }
+ } else {
+ zend_string *class_name = zend_ast_get_str(type_ast);
-ZEND_API int do_bind_function(const zend_op_array *op_array, zend_op *opline, HashTable *function_table, zend_bool compile_time) /* {{{ */
-{
- zend_function *function;
- zval *op1, *op2;
+ if (zend_is_const_default_class_ref(type_ast)) {
+ class_name = zend_resolve_class_name_ast(type_ast TSRMLS_CC);
+ } else {
+ zend_string_addref(class_name);
+ }
- if (compile_time) {
- op1 = &CONSTANT_EX(op_array, opline->op1.constant);
- op2 = &CONSTANT_EX(op_array, opline->op2.constant);
- } else {
- op1 = opline->op1.zv;
- op2 = opline->op2.zv;
- }
+ arg_info->type_hint = IS_OBJECT;
+ arg_info->class_name = estrndup(class_name->val, class_name->len);
+ arg_info->class_name_len = class_name->len;
- zend_hash_quick_find(function_table, Z_STRVAL_P(op1), Z_STRLEN_P(op1), Z_HASH_P(op1), (void *) &function);
- if (zend_hash_quick_add(function_table, Z_STRVAL_P(op2), Z_STRLEN_P(op2)+1, Z_HASH_P(op2), function, sizeof(zend_function), NULL)==FAILURE) {
- int error_level = compile_time ? E_COMPILE_ERROR : E_ERROR;
- zend_function *old_function;
+ zend_string_release(class_name);
- if (zend_hash_quick_find(function_table, Z_STRVAL_P(op2), Z_STRLEN_P(op2)+1, Z_HASH_P(op2), (void *) &old_function)==SUCCESS
- && old_function->type == ZEND_USER_FUNCTION
- && old_function->op_array.last > 0) {
- zend_error(error_level, "Cannot redeclare %s() (previously declared in %s:%d)",
- function->common.function_name,
- old_function->op_array.filename,
- old_function->op_array.opcodes[0].lineno);
- } else {
- zend_error(error_level, "Cannot redeclare %s()", function->common.function_name);
+ if (default_ast && !has_null_default) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Default value for parameters "
+ "with a class type hint can only be NULL");
+ }
+ }
}
- return FAILURE;
- } else {
- (*function->op_array.refcount)++;
- function->op_array.static_variables = NULL; /* NULL out the unbound function */
- return SUCCESS;
}
+
+ /* These are assigned at the end to avoid unitialized memory in case of an error */
+ op_array->num_args = list->children;
+ op_array->arg_info = arg_infos;
}
/* }}} */
-void zend_prepare_reference(znode *result, znode *class_name, znode *method_name TSRMLS_DC) /* {{{ */
+void zend_compile_closure_uses(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_trait_method_reference *method_ref = emalloc(sizeof(zend_trait_method_reference));
- method_ref->ce = NULL;
+ zend_ast_list *list = zend_ast_get_list(ast);
+ uint32_t i;
- /* REM: There should not be a need for copying,
- zend_do_begin_class_declaration is also just using that string */
- if (class_name) {
- zend_resolve_class_name(class_name TSRMLS_CC);
- method_ref->class_name = Z_STRVAL(class_name->u.constant);
- method_ref->cname_len = Z_STRLEN(class_name->u.constant);
- } else {
- method_ref->class_name = NULL;
- method_ref->cname_len = 0;
- }
+ for (i = 0; i < list->children; ++i) {
+ zend_ast *var_ast = list->child[i];
+ zend_string *name = zend_ast_get_str(var_ast);
+ zend_bool by_ref = var_ast->attr;
+ zval zv;
- method_ref->method_name = Z_STRVAL(method_name->u.constant);
- method_ref->mname_len = Z_STRLEN(method_name->u.constant);
+ if (zend_string_equals_literal(name, "this")) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use $this as lexical variable");
+ }
- result->u.op.ptr = method_ref;
- result->op_type = IS_TMP_VAR;
+ ZVAL_NULL(&zv);
+ Z_CONST_FLAGS(zv) = by_ref ? IS_LEXICAL_REF : IS_LEXICAL_VAR;
+
+ zend_compile_static_var_common(var_ast, &zv, by_ref TSRMLS_CC);
+ }
}
/* }}} */
-void zend_add_trait_alias(znode *method_reference, znode *modifiers, znode *alias TSRMLS_DC) /* {{{ */
+void zend_begin_method_decl(zend_op_array *op_array, zend_string *name, zend_bool has_body TSRMLS_DC) /* {{{ */
{
zend_class_entry *ce = CG(active_class_entry);
- zend_trait_alias *trait_alias;
+ zend_bool in_interface = (ce->ce_flags & ZEND_ACC_INTERFACE) != 0;
+ zend_bool in_trait = ZEND_CE_IS_TRAIT(ce);
+ zend_bool is_public = (op_array->fn_flags & ZEND_ACC_PUBLIC) != 0;
+ zend_bool is_static = (op_array->fn_flags & ZEND_ACC_STATIC) != 0;
- if (Z_LVAL(modifiers->u.constant) == ZEND_ACC_STATIC) {
- zend_error(E_COMPILE_ERROR, "Cannot use 'static' as method modifier");
- return;
- } else if (Z_LVAL(modifiers->u.constant) == ZEND_ACC_ABSTRACT) {
- zend_error(E_COMPILE_ERROR, "Cannot use 'abstract' as method modifier");
- return;
- } else if (Z_LVAL(modifiers->u.constant) == ZEND_ACC_FINAL) {
- zend_error(E_COMPILE_ERROR, "Cannot use 'final' as method modifier");
- return;
- }
+ zend_string *lcname;
- trait_alias = emalloc(sizeof(zend_trait_alias));
- trait_alias->trait_method = (zend_trait_method_reference*)method_reference->u.op.ptr;
- trait_alias->modifiers = Z_LVAL(modifiers->u.constant);
- if (alias) {
- trait_alias->alias = Z_STRVAL(alias->u.constant);
- trait_alias->alias_len = Z_STRLEN(alias->u.constant);
- } else {
- trait_alias->alias = NULL;
+ if (in_interface) {
+ if ((op_array->fn_flags & ZEND_ACC_PPP_MASK) != ZEND_ACC_PUBLIC) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Access type for interface method "
+ "%s::%s() must be omitted", ce->name->val, name->val);
+ }
+ op_array->fn_flags |= ZEND_ACC_ABSTRACT;
+ } else if (is_static && (op_array->fn_flags & ZEND_ACC_ABSTRACT)) {
+ zend_error(E_STRICT, "Static function %s::%s() should not be abstract",
+ ce->name->val, name->val);
}
- zend_add_to_list(&ce->trait_aliases, trait_alias TSRMLS_CC);
-}
-/* }}} */
-void zend_add_trait_precedence(znode *method_reference, znode *trait_list TSRMLS_DC) /* {{{ */
-{
- zend_class_entry *ce = CG(active_class_entry);
- zend_trait_precedence *trait_precedence = emalloc(sizeof(zend_trait_precedence));
+ if (op_array->fn_flags & ZEND_ACC_ABSTRACT) {
+ if (op_array->fn_flags & ZEND_ACC_PRIVATE) {
+ zend_error_noreturn(E_COMPILE_ERROR, "%s function %s::%s() cannot be declared private",
+ in_interface ? "Interface" : "Abstract", ce->name->val, name->val);
+ }
- trait_precedence->trait_method = (zend_trait_method_reference*)method_reference->u.op.ptr;
- trait_precedence->exclude_from_classes = (zend_class_entry**) trait_list->u.op.ptr;
+ if (has_body) {
+ zend_error_noreturn(E_COMPILE_ERROR, "%s function %s::%s() cannot contain body",
+ in_interface ? "Interface" : "Abstract", ce->name->val, name->val);
+ }
- zend_add_to_list(&ce->trait_precedences, trait_precedence TSRMLS_CC);
-}
-/* }}} */
+ ce->ce_flags |= ZEND_ACC_IMPLICIT_ABSTRACT_CLASS;
+ } else if (!has_body) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Non-abstract method %s::%s() must contain body",
+ ce->name->val, name->val);
+ }
-ZEND_API zend_class_entry *do_bind_class(const zend_op_array* op_array, const zend_op *opline, HashTable *class_table, zend_bool compile_time TSRMLS_DC) /* {{{ */
-{
- zend_class_entry *ce, **pce;
- zval *op1, *op2;
+ op_array->scope = ce;
+ op_array->function_name = zend_string_copy(name);
- if (compile_time) {
- op1 = &CONSTANT_EX(op_array, opline->op1.constant);
- op2 = &CONSTANT_EX(op_array, opline->op2.constant);
- } else {
- op1 = opline->op1.zv;
- op2 = opline->op2.zv;
- }
- if (zend_hash_quick_find(class_table, Z_STRVAL_P(op1), Z_STRLEN_P(op1), Z_HASH_P(op1), (void **) &pce)==FAILURE) {
- zend_error(E_COMPILE_ERROR, "Internal Zend error - Missing class information for %s", Z_STRVAL_P(op1));
- return NULL;
- } else {
- ce = *pce;
+ lcname = zend_string_alloc(name->len, 0);
+ zend_str_tolower_copy(lcname->val, name->val, name->len);
+ lcname = zend_new_interned_string(lcname TSRMLS_CC);
+
+ if (zend_hash_add_ptr(&ce->function_table, lcname, op_array) == NULL) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot redeclare %s::%s()",
+ ce->name->val, name->val);
}
- ce->refcount++;
- if (zend_hash_quick_add(class_table, Z_STRVAL_P(op2), Z_STRLEN_P(op2)+1, Z_HASH_P(op2), &ce, sizeof(zend_class_entry *), NULL)==FAILURE) {
- ce->refcount--;
- if (!compile_time) {
- /* If we're in compile time, in practice, it's quite possible
- * that we'll never reach this class declaration at runtime,
- * so we shut up about it. This allows the if (!defined('FOO')) { return; }
- * approach to work.
- */
- zend_error(E_COMPILE_ERROR, "Cannot redeclare class %s", ce->name);
+
+ if (in_interface) {
+ if (zend_string_equals_literal(lcname, ZEND_CALL_FUNC_NAME)) {
+ if (!is_public || is_static) {
+ zend_error(E_WARNING, "The magic method __call() must have "
+ "public visibility and cannot be static");
+ }
+ } else if (zend_string_equals_literal(lcname, ZEND_CALLSTATIC_FUNC_NAME)) {
+ if (!is_public || !is_static) {
+ zend_error(E_WARNING, "The magic method __callStatic() must have "
+ "public visibility and be static");
+ }
+ } else if (zend_string_equals_literal(lcname, ZEND_GET_FUNC_NAME)) {
+ if (!is_public || is_static) {
+ zend_error(E_WARNING, "The magic method __get() must have "
+ "public visibility and cannot be static");
+ }
+ } else if (zend_string_equals_literal(lcname, ZEND_SET_FUNC_NAME)) {
+ if (!is_public || is_static) {
+ zend_error(E_WARNING, "The magic method __set() must have "
+ "public visibility and cannot be static");
+ }
+ } else if (zend_string_equals_literal(lcname, ZEND_UNSET_FUNC_NAME)) {
+ if (!is_public || is_static) {
+ zend_error(E_WARNING, "The magic method __unset() must have "
+ "public visibility and cannot be static");
+ }
+ } else if (zend_string_equals_literal(lcname, ZEND_ISSET_FUNC_NAME)) {
+ if (!is_public || is_static) {
+ zend_error(E_WARNING, "The magic method __isset() must have "
+ "public visibility and cannot be static");
+ }
+ } else if (zend_string_equals_literal(lcname, ZEND_TOSTRING_FUNC_NAME)) {
+ if (!is_public || is_static) {
+ zend_error(E_WARNING, "The magic method __toString() must have "
+ "public visibility and cannot be static");
+ }
+ } else if (zend_string_equals_literal(lcname, ZEND_INVOKE_FUNC_NAME)) {
+ if (!is_public || is_static) {
+ zend_error(E_WARNING, "The magic method __invoke() must have "
+ "public visibility and cannot be static");
+ }
+ } else if (zend_string_equals_literal(lcname, ZEND_DEBUGINFO_FUNC_NAME)) {
+ if (!is_public || is_static) {
+ zend_error(E_WARNING, "The magic method __debugInfo() must have "
+ "public visibility and cannot be static");
+ }
}
- return NULL;
} else {
- if (!(ce->ce_flags & (ZEND_ACC_INTERFACE|ZEND_ACC_IMPLEMENT_INTERFACES|ZEND_ACC_IMPLEMENT_TRAITS))) {
- zend_verify_abstract_class(ce TSRMLS_CC);
+ if (!in_trait && zend_string_equals_str_ci(lcname, ce->name)) {
+ if (!ce->constructor) {
+ ce->constructor = (zend_function *) op_array;
+ }
+ } else if (zend_string_equals_literal(lcname, ZEND_CONSTRUCTOR_FUNC_NAME)) {
+ if (CG(active_class_entry)->constructor) {
+ zend_error(E_STRICT, "Redefining already defined constructor for class %s",
+ ce->name->val);
+ }
+ ce->constructor = (zend_function *) op_array;
+ } else if (zend_string_equals_literal(lcname, ZEND_DESTRUCTOR_FUNC_NAME)) {
+ ce->destructor = (zend_function *) op_array;
+ } else if (zend_string_equals_literal(lcname, ZEND_CLONE_FUNC_NAME)) {
+ ce->clone = (zend_function *) op_array;
+ } else if (zend_string_equals_literal(lcname, ZEND_CALL_FUNC_NAME)) {
+ if (!is_public || is_static) {
+ zend_error(E_WARNING, "The magic method __call() must have "
+ "public visibility and cannot be static");
+ }
+ ce->__call = (zend_function *) op_array;
+ } else if (zend_string_equals_literal(lcname, ZEND_CALLSTATIC_FUNC_NAME)) {
+ if (!is_public || !is_static) {
+ zend_error(E_WARNING, "The magic method __callStatic() must have "
+ "public visibility and be static");
+ }
+ ce->__callstatic = (zend_function *) op_array;
+ } else if (zend_string_equals_literal(lcname, ZEND_GET_FUNC_NAME)) {
+ if (!is_public || is_static) {
+ zend_error(E_WARNING, "The magic method __get() must have "
+ "public visibility and cannot be static");
+ }
+ ce->__get = (zend_function *) op_array;
+ } else if (zend_string_equals_literal(lcname, ZEND_SET_FUNC_NAME)) {
+ if (!is_public || is_static) {
+ zend_error(E_WARNING, "The magic method __set() must have "
+ "public visibility and cannot be static");
+ }
+ ce->__set = (zend_function *) op_array;
+ } else if (zend_string_equals_literal(lcname, ZEND_UNSET_FUNC_NAME)) {
+ if (!is_public || is_static) {
+ zend_error(E_WARNING, "The magic method __unset() must have "
+ "public visibility and cannot be static");
+ }
+ ce->__unset = (zend_function *) op_array;
+ } else if (zend_string_equals_literal(lcname, ZEND_ISSET_FUNC_NAME)) {
+ if (!is_public || is_static) {
+ zend_error(E_WARNING, "The magic method __isset() must have "
+ "public visibility and cannot be static");
+ }
+ ce->__isset = (zend_function *) op_array;
+ } else if (zend_string_equals_literal(lcname, ZEND_TOSTRING_FUNC_NAME)) {
+ if (!is_public || is_static) {
+ zend_error(E_WARNING, "The magic method __toString() must have "
+ "public visibility and cannot be static");
+ }
+ ce->__tostring = (zend_function *) op_array;
+ } else if (zend_string_equals_literal(lcname, ZEND_INVOKE_FUNC_NAME)) {
+ if (!is_public || is_static) {
+ zend_error(E_WARNING, "The magic method __invoke() must have "
+ "public visibility and cannot be static");
+ }
+ } else if (zend_string_equals_literal(lcname, ZEND_DEBUGINFO_FUNC_NAME)) {
+ if (!is_public || is_static) {
+ zend_error(E_WARNING, "The magic method __debugInfo() must have "
+ "public visibility and cannot be static");
+ }
+ ce->__debugInfo = (zend_function *) op_array;
+ } else if (!is_static) {
+ op_array->fn_flags |= ZEND_ACC_ALLOW_STATIC;
}
- return ce;
}
+
+ zend_string_release(lcname);
}
/* }}} */
-ZEND_API zend_class_entry *do_bind_inherited_class(const zend_op_array *op_array, const zend_op *opline, HashTable *class_table, zend_class_entry *parent_ce, zend_bool compile_time TSRMLS_DC) /* {{{ */
+static void zend_begin_func_decl(znode *result, zend_op_array *op_array, zend_ast_decl *decl TSRMLS_DC) /* {{{ */
{
- zend_class_entry *ce, **pce;
- int found_ce;
- zval *op1, *op2;
+ zend_ast *params_ast = decl->child[0];
+ zend_string *name = decl->name, *lcname;
+ zend_op *opline;
- if (compile_time) {
- op1 = &CONSTANT_EX(op_array, opline->op1.constant);
- op2 = &CONSTANT_EX(op_array, opline->op2.constant);
- } else {
- op1 = opline->op1.zv;
- op2 = opline->op2.zv;
- }
+ op_array->function_name = name = zend_prefix_with_ns(name TSRMLS_CC);
- found_ce = zend_hash_quick_find(class_table, Z_STRVAL_P(op1), Z_STRLEN_P(op1), Z_HASH_P(op1), (void **) &pce);
+ lcname = zend_string_alloc(name->len, 0);
+ zend_str_tolower_copy(lcname->val, name->val, name->len);
- if (found_ce == FAILURE) {
- if (!compile_time) {
- /* If we're in compile time, in practice, it's quite possible
- * that we'll never reach this class declaration at runtime,
- * so we shut up about it. This allows the if (!defined('FOO')) { return; }
- * approach to work.
- */
- zend_error(E_COMPILE_ERROR, "Cannot redeclare class %s", Z_STRVAL_P(op2));
+ if (CG(current_import_function)) {
+ zend_string *import_name = zend_hash_find_ptr(CG(current_import_function), lcname);
+ if (import_name && !zend_string_equals_str_ci(lcname, import_name)) {
+ zend_error(E_COMPILE_ERROR, "Cannot declare function %s "
+ "because the name is already in use", name->val);
}
- return NULL;
- } else {
- ce = *pce;
}
- if (parent_ce->ce_flags & ZEND_ACC_INTERFACE) {
- zend_error(E_COMPILE_ERROR, "Class %s cannot extend from interface %s", ce->name, parent_ce->name);
- } else if ((parent_ce->ce_flags & ZEND_ACC_TRAIT) == ZEND_ACC_TRAIT) {
- zend_error(E_COMPILE_ERROR, "Class %s cannot extend from trait %s", ce->name, parent_ce->name);
+ if (zend_string_equals_literal(lcname, ZEND_AUTOLOAD_FUNC_NAME)
+ && zend_ast_get_list(params_ast)->children != 1
+ ) {
+ zend_error_noreturn(E_COMPILE_ERROR, "%s() must take exactly 1 argument",
+ ZEND_AUTOLOAD_FUNC_NAME);
}
- zend_do_inheritance(ce, parent_ce TSRMLS_CC);
+ if (op_array->fn_flags & ZEND_ACC_CLOSURE) {
+ opline = zend_emit_op_tmp(result, ZEND_DECLARE_LAMBDA_FUNCTION, NULL, NULL TSRMLS_CC);
+ } else {
+ opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ opline->opcode = ZEND_DECLARE_FUNCTION;
+ opline->op2_type = IS_CONST;
+ LITERAL_STR(opline->op2, zend_string_copy(lcname));
+ }
- ce->refcount++;
+ {
+ zend_string *key = zend_build_runtime_definition_key(lcname, decl->lex_pos TSRMLS_CC);
- /* Register the derived class */
- if (zend_hash_quick_add(class_table, Z_STRVAL_P(op2), Z_STRLEN_P(op2)+1, Z_HASH_P(op2), pce, sizeof(zend_class_entry *), NULL)==FAILURE) {
- zend_error(E_COMPILE_ERROR, "Cannot redeclare class %s", ce->name);
+ opline->op1_type = IS_CONST;
+ LITERAL_STR(opline->op1, key);
+
+ zend_hash_update_ptr(CG(function_table), key, op_array);
}
- return ce;
+
+ zend_string_release(lcname);
}
/* }}} */
-void zend_do_early_binding(TSRMLS_D) /* {{{ */
+void zend_compile_func_decl(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *opline = &CG(active_op_array)->opcodes[CG(active_op_array)->last-1];
- HashTable *table;
+ zend_ast_decl *decl = (zend_ast_decl *) ast;
+ zend_ast *params_ast = decl->child[0];
+ zend_ast *uses_ast = decl->child[1];
+ zend_ast *stmt_ast = decl->child[2];
+ zend_bool is_method = decl->kind == ZEND_AST_METHOD;
- while (opline->opcode == ZEND_TICKS && opline > CG(active_op_array)->opcodes) {
- opline--;
- }
+ zend_op_array *orig_op_array = CG(active_op_array);
+ zend_op_array *op_array = zend_arena_alloc(&CG(arena), sizeof(zend_op_array));
- switch (opline->opcode) {
- case ZEND_DECLARE_FUNCTION:
- if (do_bind_function(CG(active_op_array), opline, CG(function_table), 1) == FAILURE) {
- return;
- }
- table = CG(function_table);
- break;
- case ZEND_DECLARE_CLASS:
- if (do_bind_class(CG(active_op_array), opline, CG(class_table), 1 TSRMLS_CC) == NULL) {
- return;
- }
- table = CG(class_table);
- break;
- case ZEND_DECLARE_INHERITED_CLASS:
- {
- zend_op *fetch_class_opline = opline-1;
- zval *parent_name;
- zend_class_entry **pce;
-
- parent_name = &CONSTANT(fetch_class_opline->op2.constant);
- if ((zend_lookup_class(Z_STRVAL_P(parent_name), Z_STRLEN_P(parent_name), &pce TSRMLS_CC) == FAILURE) ||
- ((CG(compiler_options) & ZEND_COMPILE_IGNORE_INTERNAL_CLASSES) &&
- ((*pce)->type == ZEND_INTERNAL_CLASS))) {
- if (CG(compiler_options) & ZEND_COMPILE_DELAYED_BINDING) {
- zend_uint *opline_num = &CG(active_op_array)->early_binding;
-
- while (*opline_num != -1) {
- opline_num = &CG(active_op_array)->opcodes[*opline_num].result.opline_num;
- }
- *opline_num = opline - CG(active_op_array)->opcodes;
- opline->opcode = ZEND_DECLARE_INHERITED_CLASS_DELAYED;
- opline->result_type = IS_UNUSED;
- opline->result.opline_num = -1;
- }
- return;
- }
- if (do_bind_inherited_class(CG(active_op_array), opline, CG(class_table), *pce, 1 TSRMLS_CC) == NULL) {
- return;
- }
- /* clear unnecessary ZEND_FETCH_CLASS opcode */
- zend_del_literal(CG(active_op_array), fetch_class_opline->op2.constant);
- MAKE_NOP(fetch_class_opline);
+ // TODO.AST interactive (not just here - also bpc etc!)
+
+ init_op_array(op_array, ZEND_USER_FUNCTION, INITIAL_OP_ARRAY_SIZE TSRMLS_CC);
- table = CG(class_table);
- break;
- }
- case ZEND_VERIFY_ABSTRACT_CLASS:
- case ZEND_ADD_INTERFACE:
- case ZEND_ADD_TRAIT:
- case ZEND_BIND_TRAITS:
- /* We currently don't early-bind classes that implement interfaces */
- /* Classes with traits are handled exactly the same, no early-bind here */
- return;
- default:
- zend_error(E_COMPILE_ERROR, "Invalid binding type");
- return;
+ op_array->fn_flags |= decl->flags;
+ op_array->line_start = decl->start_lineno;
+ op_array->line_end = decl->end_lineno;
+ if (decl->doc_comment) {
+ op_array->doc_comment = zend_string_copy(decl->doc_comment);
+ }
+ if (decl->kind == ZEND_AST_CLOSURE) {
+ op_array->fn_flags |= ZEND_ACC_CLOSURE;
}
- zend_hash_quick_del(table, Z_STRVAL(CONSTANT(opline->op1.constant)), Z_STRLEN(CONSTANT(opline->op1.constant)), Z_HASH_P(&CONSTANT(opline->op1.constant)));
- zend_del_literal(CG(active_op_array), opline->op1.constant);
- zend_del_literal(CG(active_op_array), opline->op2.constant);
- MAKE_NOP(opline);
-}
-/* }}} */
+ if (is_method) {
+ zend_bool has_body = stmt_ast != NULL;
+ zend_begin_method_decl(op_array, decl->name, has_body TSRMLS_CC);
+ } else {
+ zend_begin_func_decl(result, op_array, decl TSRMLS_CC);
+ }
-ZEND_API void zend_do_delayed_early_binding(const zend_op_array *op_array TSRMLS_DC) /* {{{ */
-{
- if (op_array->early_binding != -1) {
- zend_bool orig_in_compilation = CG(in_compilation);
- zend_uint opline_num = op_array->early_binding;
- zend_class_entry **pce;
+ CG(active_op_array) = op_array;
+ zend_stack_push(&CG(context_stack), (void *) &CG(context));
+ zend_init_compiler_context(TSRMLS_C);
- CG(in_compilation) = 1;
- while (opline_num != -1) {
- if (zend_lookup_class(Z_STRVAL_P(op_array->opcodes[opline_num-1].op2.zv), Z_STRLEN_P(op_array->opcodes[opline_num-1].op2.zv), &pce TSRMLS_CC) == SUCCESS) {
- do_bind_inherited_class(op_array, &op_array->opcodes[opline_num], EG(class_table), *pce, 0 TSRMLS_CC);
- }
- opline_num = op_array->opcodes[opline_num].result.opline_num;
- }
- CG(in_compilation) = orig_in_compilation;
+ if (CG(compiler_options) & ZEND_COMPILE_EXTENDED_INFO) {
+ zend_op *opline_ext = zend_emit_op(NULL, ZEND_EXT_NOP, NULL, NULL TSRMLS_CC);
+ opline_ext->lineno = decl->start_lineno;
}
-}
-/* }}} */
-void zend_do_boolean_or_begin(znode *expr1, znode *op_token TSRMLS_DC) /* {{{ */
-{
- int next_op_number = get_next_op_number(CG(active_op_array));
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ {
+ /* Push a separator to the loop variable stack */
+ znode dummy_var;
+ dummy_var.op_type = IS_UNUSED;
- opline->opcode = ZEND_JMPNZ_EX;
- if (expr1->op_type == IS_TMP_VAR) {
- SET_NODE(opline->result, expr1);
- } else {
- opline->result.var = get_temporary_variable(CG(active_op_array));
- opline->result_type = IS_TMP_VAR;
+ zend_stack_push(&CG(loop_var_stack), (void *) &dummy_var);
}
- SET_NODE(opline->op1, expr1);
- SET_UNUSED(opline->op2);
- op_token->u.op.opline_num = next_op_number;
+ zend_compile_params(params_ast TSRMLS_CC);
+ if (uses_ast) {
+ zend_compile_closure_uses(uses_ast TSRMLS_CC);
+ }
+ zend_compile_stmt(stmt_ast TSRMLS_CC);
- GET_NODE(expr1, opline->result);
-}
-/* }}} */
+ if (is_method) {
+ zend_check_magic_method_implementation(
+ CG(active_class_entry), (zend_function *) op_array, E_COMPILE_ERROR TSRMLS_CC);
+ }
-void zend_do_boolean_or_end(znode *result, const znode *expr1, const znode *expr2, znode *op_token TSRMLS_DC) /* {{{ */
-{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_do_extended_info(TSRMLS_C);
+ zend_emit_final_return(NULL TSRMLS_CC);
- *result = *expr1; /* we saved the original result in expr1 */
- opline->opcode = ZEND_BOOL;
- SET_NODE(opline->result, result);
- SET_NODE(opline->op1, expr2);
- SET_UNUSED(opline->op2);
+ pass_two(CG(active_op_array) TSRMLS_CC);
+ zend_release_labels(0 TSRMLS_CC);
+
+ /* Pop the loop variable stack separator */
+ zend_stack_del_top(&CG(loop_var_stack));
- CG(active_op_array)->opcodes[op_token->u.op.opline_num].op2.opline_num = get_next_op_number(CG(active_op_array));
+ CG(active_op_array) = orig_op_array;
}
/* }}} */
-void zend_do_boolean_and_begin(znode *expr1, znode *op_token TSRMLS_DC) /* {{{ */
+void zend_compile_prop_decl(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- int next_op_number = get_next_op_number(CG(active_op_array));
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_ast_list *list = zend_ast_get_list(ast);
+ uint32_t flags = list->attr;
+ zend_class_entry *ce = CG(active_class_entry);
+ uint32_t i, children = list->children;
+ zend_string *doc_comment = NULL;
- opline->opcode = ZEND_JMPZ_EX;
- if (expr1->op_type == IS_TMP_VAR) {
- SET_NODE(opline->result, expr1);
- } else {
- opline->result.var = get_temporary_variable(CG(active_op_array));
- opline->result_type = IS_TMP_VAR;
+ if (ce->ce_flags & ZEND_ACC_INTERFACE) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Interfaces may not include member variables");
}
- SET_NODE(opline->op1, expr1);
- SET_UNUSED(opline->op2);
- op_token->u.op.opline_num = next_op_number;
+ if (flags & ZEND_ACC_ABSTRACT) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Properties cannot be declared abstract");
+ }
- GET_NODE(expr1, opline->result);
-}
-/* }}} */
+ /* Doc comment has been appended as last element in property list */
+ if (list->child[children - 1]->kind == ZEND_AST_ZVAL) {
+ doc_comment = zend_string_copy(zend_ast_get_str(list->child[children - 1]));
+ children -= 1;
+ }
-void zend_do_boolean_and_end(znode *result, const znode *expr1, const znode *expr2, const znode *op_token TSRMLS_DC) /* {{{ */
-{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ for (i = 0; i < children; ++i) {
+ zend_ast *prop_ast = list->child[i];
+ zend_ast *name_ast = prop_ast->child[0];
+ zend_ast *value_ast = prop_ast->child[1];
+ zend_string *name = zend_ast_get_str(name_ast);
+ zval value_zv;
- *result = *expr1; /* we saved the original result in expr1 */
- opline->opcode = ZEND_BOOL;
- SET_NODE(opline->result, result);
- SET_NODE(opline->op1, expr2);
- SET_UNUSED(opline->op2);
+ if (flags & ZEND_ACC_FINAL) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot declare property %s::$%s final, "
+ "the final modifier is allowed only for methods and classes",
+ ce->name->val, name->val);
+ }
- CG(active_op_array)->opcodes[op_token->u.op.opline_num].op2.opline_num = get_next_op_number(CG(active_op_array));
-}
-/* }}} */
+ if (zend_hash_exists(&ce->properties_info, name)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot redeclare %s::$%s",
+ ce->name->val, name->val);
+ }
-void zend_do_do_while_begin(TSRMLS_D) /* {{{ */
-{
- do_begin_loop(TSRMLS_C);
- INC_BPC(CG(active_op_array));
+ if (value_ast) {
+ zend_const_expr_to_zval(&value_zv, value_ast TSRMLS_CC);
+ } else {
+ ZVAL_NULL(&value_zv);
+ }
+
+ name = zend_new_interned_string_safe(name TSRMLS_CC);
+ zend_declare_property_ex(ce, name, &value_zv, flags, doc_comment TSRMLS_CC);
+
+ /* Doc comment is only assigned to first property */
+ doc_comment = NULL;
+ }
}
/* }}} */
-void zend_do_do_while_end(const znode *do_token, const znode *expr_open_bracket, const znode *expr TSRMLS_DC) /* {{{ */
+void zend_compile_class_const_decl(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_ast_list *list = zend_ast_get_list(ast);
+ zend_class_entry *ce = CG(active_class_entry);
+ uint32_t i;
- opline->opcode = ZEND_JMPNZ;
- SET_NODE(opline->op1, expr);
- opline->op2.opline_num = do_token->u.op.opline_num;
- SET_UNUSED(opline->op2);
+ for (i = 0; i < list->children; ++i) {
+ zend_ast *const_ast = list->child[i];
+ zend_ast *name_ast = const_ast->child[0];
+ zend_ast *value_ast = const_ast->child[1];
+ zend_string *name = zend_ast_get_str(name_ast);
+ zval value_zv;
+
+ if (ZEND_CE_IS_TRAIT(ce)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Traits cannot have constants");
+ return;
+ }
+
+ zend_const_expr_to_zval(&value_zv, value_ast TSRMLS_CC);
- do_end_loop(expr_open_bracket->u.op.opline_num, 0 TSRMLS_CC);
+ name = zend_new_interned_string_safe(name TSRMLS_CC);
+ if (zend_hash_add(&ce->constants_table, name, &value_zv) == NULL) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot redefine class constant %s::%s",
+ ce->name->val, name->val);
+ }
- DEC_BPC(CG(active_op_array));
+ if (Z_CONSTANT(value_zv)) {
+ ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED;
+ }
+ }
}
/* }}} */
-void zend_do_brk_cont(zend_uchar op, const znode *expr TSRMLS_DC) /* {{{ */
+static zend_trait_method_reference *zend_compile_method_ref(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_ast *class_ast = ast->child[0];
+ zend_ast *method_ast = ast->child[1];
- opline->opcode = op;
- opline->op1.opline_num = CG(context).current_brk_cont;
- SET_UNUSED(opline->op1);
- if (expr) {
- if (expr->op_type != IS_CONST) {
- zend_error(E_COMPILE_ERROR, "'%s' operator with non-constant operand is no longer supported", op == ZEND_BRK ? "break" : "continue");
- } else if (Z_TYPE(expr->u.constant) != IS_LONG || Z_LVAL(expr->u.constant) < 1) {
- zend_error(E_COMPILE_ERROR, "'%s' operator accepts only positive numbers", op == ZEND_BRK ? "break" : "continue");
- }
- SET_NODE(opline->op2, expr);
+ zend_trait_method_reference *method_ref = emalloc(sizeof(zend_trait_method_reference));
+ method_ref->ce = NULL;
+ method_ref->method_name = zend_string_copy(zend_ast_get_str(method_ast));
+
+ if (class_ast) {
+ method_ref->class_name = zend_resolve_class_name_ast(class_ast TSRMLS_CC);
} else {
- LITERAL_LONG(opline->op2, 1);
- opline->op2_type = IS_CONST;
+ method_ref->class_name = NULL;
}
+
+ return method_ref;
}
/* }}} */
-void zend_do_switch_cond(const znode *cond TSRMLS_DC) /* {{{ */
+static zend_string **zend_compile_name_list(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_switch_entry switch_entry;
+ zend_ast_list *list = zend_ast_get_list(ast);
+ zend_string **names = safe_emalloc(sizeof(zend_string *), list->children + 1, 0);
+ uint32_t i;
- switch_entry.cond = *cond;
- switch_entry.default_case = -1;
- switch_entry.control_var = -1;
- zend_stack_push(&CG(switch_cond_stack), (void *) &switch_entry, sizeof(switch_entry));
+ for (i = 0; i < list->children; ++i) {
+ zend_ast *name_ast = list->child[i];
+ names[i] = zend_resolve_class_name_ast(name_ast TSRMLS_CC);
+ }
- do_begin_loop(TSRMLS_C);
+ names[list->children] = NULL;
- INC_BPC(CG(active_op_array));
+ return names;
}
/* }}} */
-void zend_do_switch_end(const znode *case_list TSRMLS_DC) /* {{{ */
+static void zend_compile_trait_precedence(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *opline;
- zend_switch_entry *switch_entry_ptr;
+ zend_ast *method_ref_ast = ast->child[0];
+ zend_ast *insteadof_ast = ast->child[1];
+
+ zend_trait_precedence *precedence = emalloc(sizeof(zend_trait_precedence));
+ precedence->trait_method = zend_compile_method_ref(method_ref_ast TSRMLS_CC);
+ precedence->exclude_from_classes
+ = (void *) zend_compile_name_list(insteadof_ast TSRMLS_CC);
- zend_stack_top(&CG(switch_cond_stack), (void **) &switch_entry_ptr);
+ zend_add_to_list(&CG(active_class_entry)->trait_precedences, precedence TSRMLS_CC);
+}
+/* }}} */
- /* add code to jmp to default case */
- if (switch_entry_ptr->default_case != -1) {
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_JMP;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
- opline->op1.opline_num = switch_entry_ptr->default_case;
- }
+static void zend_compile_trait_alias(zend_ast *ast TSRMLS_DC) /* {{{ */
+{
+ zend_ast *method_ref_ast = ast->child[0];
+ zend_ast *alias_ast = ast->child[1];
+ uint32_t modifiers = ast->attr;
- if (case_list->op_type != IS_UNUSED) { /* non-empty switch */
- int next_op_number = get_next_op_number(CG(active_op_array));
+ zend_trait_alias *alias;
- CG(active_op_array)->opcodes[case_list->u.op.opline_num].op1.opline_num = next_op_number;
+ if (modifiers == ZEND_ACC_STATIC) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use 'static' as method modifier");
+ } else if (modifiers == ZEND_ACC_ABSTRACT) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use 'abstract' as method modifier");
+ } else if (modifiers == ZEND_ACC_FINAL) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use 'final' as method modifier");
}
- /* remember break/continue loop information */
- CG(active_op_array)->brk_cont_array[CG(context).current_brk_cont].cont = CG(active_op_array)->brk_cont_array[CG(context).current_brk_cont].brk = get_next_op_number(CG(active_op_array));
- CG(context).current_brk_cont = CG(active_op_array)->brk_cont_array[CG(context).current_brk_cont].parent;
+ alias = emalloc(sizeof(zend_trait_alias));
+ alias->trait_method = zend_compile_method_ref(method_ref_ast TSRMLS_CC);
+ alias->modifiers = modifiers;
- if (switch_entry_ptr->cond.op_type==IS_VAR || switch_entry_ptr->cond.op_type==IS_TMP_VAR) {
- /* emit free for the switch condition*/
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = (switch_entry_ptr->cond.op_type == IS_TMP_VAR) ? ZEND_FREE : ZEND_SWITCH_FREE;
- SET_NODE(opline->op1, &switch_entry_ptr->cond);
- SET_UNUSED(opline->op2);
- }
- if (switch_entry_ptr->cond.op_type == IS_CONST) {
- zval_dtor(&switch_entry_ptr->cond.u.constant);
+ if (alias_ast) {
+ alias->alias = zend_string_copy(zend_ast_get_str(alias_ast));
+ } else {
+ alias->alias = NULL;
}
- zend_stack_del_top(&CG(switch_cond_stack));
-
- DEC_BPC(CG(active_op_array));
+ zend_add_to_list(&CG(active_class_entry)->trait_aliases, alias TSRMLS_CC);
}
/* }}} */
-void zend_do_case_before_statement(const znode *case_list, znode *case_token, const znode *case_expr TSRMLS_DC) /* {{{ */
+void zend_compile_use_trait(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- int next_op_number;
- zend_switch_entry *switch_entry_ptr;
- znode result;
+ zend_ast_list *traits = zend_ast_get_list(ast->child[0]);
+ zend_ast_list *adaptations = ast->child[1] ? zend_ast_get_list(ast->child[1]) : NULL;
+ zend_class_entry *ce = CG(active_class_entry);
+ zend_op *opline;
+ uint32_t i;
- zend_stack_top(&CG(switch_cond_stack), (void **) &switch_entry_ptr);
+ for (i = 0; i < traits->children; ++i) {
+ zend_ast *trait_ast = traits->child[i];
+ zend_string *name = zend_ast_get_str(trait_ast);
- if (switch_entry_ptr->control_var == -1) {
- switch_entry_ptr->control_var = get_temporary_variable(CG(active_op_array));
- }
- opline->opcode = ZEND_CASE;
- opline->result.var = switch_entry_ptr->control_var;
- opline->result_type = IS_TMP_VAR;
- SET_NODE(opline->op1, &switch_entry_ptr->cond);
- SET_NODE(opline->op2, case_expr);
- if (opline->op1_type == IS_CONST) {
- zval_copy_ctor(&CONSTANT(opline->op1.constant));
- }
- GET_NODE(&result, opline->result);
+ if (ce->ce_flags & ZEND_ACC_INTERFACE) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use traits inside of interfaces. "
+ "%s is used in %s", name->val, ce->name->val);
+ }
- next_op_number = get_next_op_number(CG(active_op_array));
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_JMPZ;
- SET_NODE(opline->op1, &result);
- SET_UNUSED(opline->op2);
- case_token->u.op.opline_num = next_op_number;
+ switch (zend_get_class_fetch_type(name)) {
+ case ZEND_FETCH_CLASS_SELF:
+ case ZEND_FETCH_CLASS_PARENT:
+ case ZEND_FETCH_CLASS_STATIC:
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use '%s' as trait name "
+ "as it is reserved", name->val);
+ break;
+ }
- if (case_list->op_type==IS_UNUSED) {
- return;
- }
- next_op_number = get_next_op_number(CG(active_op_array));
- CG(active_op_array)->opcodes[case_list->u.op.opline_num].op1.opline_num = next_op_number;
-}
-/* }}} */
+ opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ opline->opcode = ZEND_ADD_TRAIT;
+ SET_NODE(opline->op1, &CG(implementing_class));
+ opline->extended_value = ZEND_FETCH_CLASS_TRAIT;
+ opline->op2_type = IS_CONST;
+ opline->op2.constant = zend_add_class_name_literal(CG(active_op_array),
+ zend_resolve_class_name_ast(trait_ast TSRMLS_CC) TSRMLS_CC);
-void zend_do_case_after_statement(znode *result, const znode *case_token TSRMLS_DC) /* {{{ */
-{
- int next_op_number = get_next_op_number(CG(active_op_array));
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ ce->num_traits++;
+ }
- opline->opcode = ZEND_JMP;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
- result->u.op.opline_num = next_op_number;
+ if (!adaptations) {
+ return;
+ }
- switch (CG(active_op_array)->opcodes[case_token->u.op.opline_num].opcode) {
- case ZEND_JMP:
- CG(active_op_array)->opcodes[case_token->u.op.opline_num].op1.opline_num = get_next_op_number(CG(active_op_array));
- break;
- case ZEND_JMPZ:
- CG(active_op_array)->opcodes[case_token->u.op.opline_num].op2.opline_num = get_next_op_number(CG(active_op_array));
- break;
+ for (i = 0; i < adaptations->children; ++i) {
+ zend_ast *adaptation_ast = adaptations->child[i];
+ switch (adaptation_ast->kind) {
+ case ZEND_AST_TRAIT_PRECEDENCE:
+ zend_compile_trait_precedence(adaptation_ast TSRMLS_CC);
+ break;
+ case ZEND_AST_TRAIT_ALIAS:
+ zend_compile_trait_alias(adaptation_ast TSRMLS_CC);
+ break;
+ EMPTY_SWITCH_DEFAULT_CASE()
+ }
}
}
/* }}} */
-void zend_do_default_before_statement(const znode *case_list, znode *default_token TSRMLS_DC) /* {{{ */
+void zend_compile_implements(znode *class_node, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- int next_op_number = get_next_op_number(CG(active_op_array));
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- zend_switch_entry *switch_entry_ptr;
+ zend_ast_list *list = zend_ast_get_list(ast);
+ uint32_t i;
+ for (i = 0; i < list->children; ++i) {
+ zend_ast *class_ast = list->child[i];
+ zend_string *name = zend_ast_get_str(class_ast);
- zend_stack_top(&CG(switch_cond_stack), (void **) &switch_entry_ptr);
+ zend_op *opline;
- opline->opcode = ZEND_JMP;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
- default_token->u.op.opline_num = next_op_number;
+ /* Traits can not implement interfaces */
+ if (ZEND_CE_IS_TRAIT(CG(active_class_entry))) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use '%s' as interface on '%s' "
+ "since it is a Trait", name->val, CG(active_class_entry)->name->val);
+ }
- next_op_number = get_next_op_number(CG(active_op_array));
- switch_entry_ptr->default_case = next_op_number;
+ if (!zend_is_const_default_class_ref(class_ast)) {
+ zend_error_noreturn(E_COMPILE_ERROR,
+ "Cannot use '%s' as interface name as it is reserved", name->val);
+ }
- if (case_list->op_type==IS_UNUSED) {
- return;
+ opline = zend_emit_op(NULL, ZEND_ADD_INTERFACE, class_node, NULL TSRMLS_CC);
+ opline->extended_value = ZEND_FETCH_CLASS_INTERFACE;
+ opline->op2_type = IS_CONST;
+ opline->op2.constant = zend_add_class_name_literal(CG(active_op_array),
+ zend_resolve_class_name_ast(class_ast TSRMLS_CC) TSRMLS_CC);
+
+ CG(active_class_entry)->num_interfaces++;
}
- CG(active_op_array)->opcodes[case_list->u.op.opline_num].op1.opline_num = next_op_number;
}
/* }}} */
-void zend_do_begin_class_declaration(const znode *class_token, znode *class_name, const znode *parent_class_name TSRMLS_DC) /* {{{ */
+void zend_compile_class_decl(zend_ast *ast TSRMLS_DC) /* {{{ */
{
+ zend_ast_decl *decl = (zend_ast_decl *) ast;
+ zend_ast *extends_ast = decl->child[0];
+ zend_ast *implements_ast = decl->child[1];
+ zend_ast *stmt_ast = decl->child[2];
+
+ zend_string *name = decl->name, *lcname, *import_name = NULL;
+ zend_class_entry *ce = zend_arena_alloc(&CG(arena), sizeof(zend_class_entry));
zend_op *opline;
- int doing_inheritance = 0;
- zend_class_entry *new_class_entry;
- char *lcname;
- int error = 0;
- zval **ns_name, key;
+ znode declare_node, extends_node;
if (CG(active_class_entry)) {
- zend_error(E_COMPILE_ERROR, "Class declarations may not be nested");
+ zend_error_noreturn(E_COMPILE_ERROR, "Class declarations may not be nested");
return;
}
- lcname = zend_str_tolower_dup(Z_STRVAL(class_name->u.constant), Z_STRLEN(class_name->u.constant));
-
- if (!(strcmp(lcname, "self") && strcmp(lcname, "parent"))) {
- efree(lcname);
- zend_error(E_COMPILE_ERROR, "Cannot use '%s' as class name as it is reserved", Z_STRVAL(class_name->u.constant));
+ if (ZEND_FETCH_CLASS_DEFAULT != zend_get_class_fetch_type(name)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use '%s' as class name as it is reserved",
+ name->val);
}
- /* Class name must not conflict with import names */
- if (CG(current_import) &&
- zend_hash_find(CG(current_import), lcname, Z_STRLEN(class_name->u.constant)+1, (void**)&ns_name) == SUCCESS) {
- error = 1;
+ lcname = zend_string_alloc(name->len, 0);
+ zend_str_tolower_copy(lcname->val, name->val, name->len);
+
+ if (CG(current_import)) {
+ import_name = zend_hash_find_ptr(CG(current_import), lcname);
}
if (CG(current_namespace)) {
- /* Prefix class name with name of current namespace */
- znode tmp;
+ name = zend_prefix_with_ns(name TSRMLS_CC);
+
+ zend_string_release(lcname);
+ lcname = zend_string_alloc(name->len, 0);
+ zend_str_tolower_copy(lcname->val, name->val, name->len);
+ } else {
+ zend_string_addref(name);
+ }
- tmp.op_type = IS_CONST;
- tmp.u.constant = *CG(current_namespace);
- zval_copy_ctor(&tmp.u.constant);
- zend_do_build_namespace_name(&tmp, &tmp, class_name TSRMLS_CC);
- *class_name = tmp;
- efree(lcname);
- lcname = zend_str_tolower_dup(Z_STRVAL(class_name->u.constant), Z_STRLEN(class_name->u.constant));
+ if (import_name && !zend_string_equals_str_ci(lcname, import_name)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot declare class %s "
+ "because the name is already in use", name->val);
}
- if (error) {
- char *tmp = zend_str_tolower_dup(Z_STRVAL_PP(ns_name), Z_STRLEN_PP(ns_name));
+ name = zend_new_interned_string(name TSRMLS_CC);
+ lcname = zend_new_interned_string(lcname TSRMLS_CC);
- if (Z_STRLEN_PP(ns_name) != Z_STRLEN(class_name->u.constant) ||
- memcmp(tmp, lcname, Z_STRLEN(class_name->u.constant))) {
- zend_error(E_COMPILE_ERROR, "Cannot declare class %s because the name is already in use", Z_STRVAL(class_name->u.constant));
- }
- efree(tmp);
- }
+ ce->type = ZEND_USER_CLASS;
+ ce->name = name;
+ zend_initialize_class_data(ce, 1 TSRMLS_CC);
- new_class_entry = emalloc(sizeof(zend_class_entry));
- new_class_entry->type = ZEND_USER_CLASS;
- new_class_entry->name = zend_new_interned_string(Z_STRVAL(class_name->u.constant), Z_STRLEN(class_name->u.constant) + 1, 1 TSRMLS_CC);
- new_class_entry->name_length = Z_STRLEN(class_name->u.constant);
+ ce->ce_flags |= decl->flags;
+ ce->info.user.filename = zend_get_compiled_filename(TSRMLS_C);
+ ce->info.user.line_start = decl->start_lineno;
+ ce->info.user.line_end = decl->end_lineno;
+ if (decl->doc_comment) {
+ ce->info.user.doc_comment = zend_string_copy(decl->doc_comment);
+ }
- zend_initialize_class_data(new_class_entry, 1 TSRMLS_CC);
- new_class_entry->info.user.filename = zend_get_compiled_filename(TSRMLS_C);
- new_class_entry->info.user.line_start = class_token->u.op.opline_num;
- new_class_entry->ce_flags |= class_token->EA;
+ if (extends_ast) {
+ if (ZEND_CE_IS_TRAIT(ce)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "A trait (%s) cannot extend a class. "
+ "Traits can only be composed from other traits with the 'use' keyword. Error",
+ name->val);
+ }
- if (parent_class_name && parent_class_name->op_type != IS_UNUSED) {
- switch (parent_class_name->EA) {
- case ZEND_FETCH_CLASS_SELF:
- zend_error(E_COMPILE_ERROR, "Cannot use 'self' as class name as it is reserved");
- break;
- case ZEND_FETCH_CLASS_PARENT:
- zend_error(E_COMPILE_ERROR, "Cannot use 'parent' as class name as it is reserved");
- break;
- case ZEND_FETCH_CLASS_STATIC:
- zend_error(E_COMPILE_ERROR, "Cannot use 'static' as class name as it is reserved");
- break;
- default:
- break;
+ if (!zend_is_const_default_class_ref(extends_ast)) {
+ zend_string *extends_name = zend_ast_get_str(extends_ast);
+ zend_error_noreturn(E_COMPILE_ERROR,
+ "Cannot use '%s' as class name as it is reserved", extends_name->val);
}
- doing_inheritance = 1;
+
+ zend_compile_class_ref(&extends_node, extends_ast TSRMLS_CC);
}
opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->op1_type = IS_CONST;
- build_runtime_defined_function_key(&key, lcname, new_class_entry->name_length TSRMLS_CC);
- opline->op1.constant = zend_add_literal(CG(active_op_array), &key TSRMLS_CC);
- Z_HASH_P(&CONSTANT(opline->op1.constant)) = zend_hash_func(Z_STRVAL(CONSTANT(opline->op1.constant)), Z_STRLEN(CONSTANT(opline->op1.constant)));
+ zend_make_var_result(&declare_node, opline TSRMLS_CC);
- opline->op2_type = IS_CONST;
+ // TODO.AST drop this
+ GET_NODE(&CG(implementing_class), opline->result);
- if (doing_inheritance) {
- /* Make sure a trait does not try to extend a class */
- if ((new_class_entry->ce_flags & ZEND_ACC_TRAIT) == ZEND_ACC_TRAIT) {
- zend_error(E_COMPILE_ERROR, "A trait (%s) cannot extend a class. Traits can only be composed from other traits with the 'use' keyword. Error", new_class_entry->name);
- }
+ opline->op2_type = IS_CONST;
+ LITERAL_STR(opline->op2, lcname);
- opline->extended_value = parent_class_name->u.op.var;
+ if (extends_ast) {
opline->opcode = ZEND_DECLARE_INHERITED_CLASS;
+ opline->extended_value = extends_node.u.op.var;
} else {
opline->opcode = ZEND_DECLARE_CLASS;
}
- LITERAL_STRINGL(opline->op2, lcname, new_class_entry->name_length, 0);
- CALCULATE_LITERAL_HASH(opline->op2.constant);
-
- zend_hash_quick_update(CG(class_table), Z_STRVAL(key), Z_STRLEN(key), Z_HASH_P(&CONSTANT(opline->op1.constant)), &new_class_entry, sizeof(zend_class_entry *), NULL);
- CG(active_class_entry) = new_class_entry;
+ {
+ zend_string *key = zend_build_runtime_definition_key(lcname, decl->lex_pos TSRMLS_CC);
- opline->result.var = get_temporary_variable(CG(active_op_array));
- opline->result_type = IS_VAR;
- GET_NODE(&CG(implementing_class), opline->result);
+ opline->op1_type = IS_CONST;
+ LITERAL_STR(opline->op1, key);
- if (CG(doc_comment)) {
- CG(active_class_entry)->info.user.doc_comment = CG(doc_comment);
- CG(active_class_entry)->info.user.doc_comment_len = CG(doc_comment_len);
- CG(doc_comment) = NULL;
- CG(doc_comment_len) = 0;
+ zend_hash_update_ptr(CG(class_table), key, ce);
}
-}
-/* }}} */
-static void do_verify_abstract_class(TSRMLS_D) /* {{{ */
-{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ CG(active_class_entry) = ce;
- opline->opcode = ZEND_VERIFY_ABSTRACT_CLASS;
- SET_NODE(opline->op1, &CG(implementing_class));
- SET_UNUSED(opline->op2);
-}
-/* }}} */
+ if (implements_ast) {
+ zend_compile_implements(&declare_node, implements_ast TSRMLS_CC);
+ }
-void zend_do_end_class_declaration(const znode *class_token, const znode *parent_token TSRMLS_DC) /* {{{ */
-{
- zend_class_entry *ce = CG(active_class_entry);
+ zend_compile_stmt(stmt_ast TSRMLS_CC);
if (ce->constructor) {
ce->constructor->common.fn_flags |= ZEND_ACC_CTOR;
if (ce->constructor->common.fn_flags & ZEND_ACC_STATIC) {
- zend_error(E_COMPILE_ERROR, "Constructor %s::%s() cannot be static", ce->name, ce->constructor->common.function_name);
+ zend_error_noreturn(E_COMPILE_ERROR, "Constructor %s::%s() cannot be static",
+ ce->name->val, ce->constructor->common.function_name->val);
}
}
if (ce->destructor) {
ce->destructor->common.fn_flags |= ZEND_ACC_DTOR;
if (ce->destructor->common.fn_flags & ZEND_ACC_STATIC) {
- zend_error(E_COMPILE_ERROR, "Destructor %s::%s() cannot be static", ce->name, ce->destructor->common.function_name);
+ zend_error_noreturn(E_COMPILE_ERROR, "Destructor %s::%s() cannot be static",
+ ce->name->val, ce->destructor->common.function_name->val);
}
}
if (ce->clone) {
ce->clone->common.fn_flags |= ZEND_ACC_CLONE;
if (ce->clone->common.fn_flags & ZEND_ACC_STATIC) {
- zend_error(E_COMPILE_ERROR, "Clone method %s::%s() cannot be static", ce->name, ce->clone->common.function_name);
+ zend_error_noreturn(E_COMPILE_ERROR, "Clone method %s::%s() cannot be static",
+ ce->name->val, ce->clone->common.function_name->val);
}
}
- ce->info.user.line_end = zend_get_compiled_lineno(TSRMLS_C);
-
/* Check for traits and proceed like with interfaces.
* The only difference will be a combined handling of them in the end.
* Thus, we need another opcode here. */
if (ce->num_traits > 0) {
- zend_op *opline;
-
ce->traits = NULL;
ce->num_traits = 0;
ce->ce_flags |= ZEND_ACC_IMPLEMENT_TRAITS;
- /* opcode generation: */
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_BIND_TRAITS;
- SET_NODE(opline->op1, &CG(implementing_class));
+ zend_emit_op(NULL, ZEND_BIND_TRAITS, &declare_node, NULL TSRMLS_CC);
}
if (!(ce->ce_flags & (ZEND_ACC_INTERFACE|ZEND_ACC_EXPLICIT_ABSTRACT_CLASS))
- && (parent_token || (ce->num_interfaces > 0))) {
+ && (extends_ast || ce->num_interfaces > 0)
+ ) {
zend_verify_abstract_class(ce TSRMLS_CC);
if (ce->num_interfaces && !(ce->ce_flags & ZEND_ACC_IMPLEMENT_TRAITS)) {
- do_verify_abstract_class(TSRMLS_C);
+ zend_emit_op(NULL, ZEND_VERIFY_ABSTRACT_CLASS, &declare_node, NULL TSRMLS_CC);
}
}
+
/* Inherit interfaces; reset number to zero, we need it for above check and
* will restore it during actual implementation.
* The ZEND_ACC_IMPLEMENT_INTERFACES flag disables double call to
@@ -5139,2077 +4612,1757 @@ void zend_do_end_class_declaration(const znode *class_token, const znode *parent
}
/* }}} */
-void zend_do_implements_interface(znode *interface_name TSRMLS_DC) /* {{{ */
+static HashTable *zend_get_import_ht(uint32_t type TSRMLS_DC) /* {{{ */
{
- zend_op *opline;
-
- /* Traits can not implement interfaces */
- if ((CG(active_class_entry)->ce_flags & ZEND_ACC_TRAIT) == ZEND_ACC_TRAIT) {
- zend_error(E_COMPILE_ERROR, "Cannot use '%s' as interface on '%s' since it is a Trait",
- Z_STRVAL(interface_name->u.constant),
- CG(active_class_entry)->name);
- }
-
- switch (zend_get_class_fetch_type(Z_STRVAL(interface_name->u.constant), Z_STRLEN(interface_name->u.constant))) {
- case ZEND_FETCH_CLASS_SELF:
- case ZEND_FETCH_CLASS_PARENT:
- case ZEND_FETCH_CLASS_STATIC:
- zend_error(E_COMPILE_ERROR, "Cannot use '%s' as interface name as it is reserved", Z_STRVAL(interface_name->u.constant));
- break;
- default:
- break;
+ switch (type) {
+ case T_CLASS:
+ if (!CG(current_import)) {
+ CG(current_import) = emalloc(sizeof(HashTable));
+ zend_hash_init(CG(current_import), 8, NULL, str_dtor, 0);
+ }
+ return CG(current_import);
+ case T_FUNCTION:
+ if (!CG(current_import_function)) {
+ CG(current_import_function) = emalloc(sizeof(HashTable));
+ zend_hash_init(CG(current_import_function), 8, NULL, str_dtor, 0);
+ }
+ return CG(current_import_function);
+ case T_CONST:
+ if (!CG(current_import_const)) {
+ CG(current_import_const) = emalloc(sizeof(HashTable));
+ zend_hash_init(CG(current_import_const), 8, NULL, str_dtor, 0);
+ }
+ return CG(current_import_const);
+ EMPTY_SWITCH_DEFAULT_CASE()
}
-
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_ADD_INTERFACE;
- SET_NODE(opline->op1, &CG(implementing_class));
- zend_resolve_class_name(interface_name TSRMLS_CC);
- opline->extended_value = (opline->extended_value & ~ZEND_FETCH_CLASS_MASK) | ZEND_FETCH_CLASS_INTERFACE;
- opline->op2_type = IS_CONST;
- opline->op2.constant = zend_add_class_name_literal(CG(active_op_array), &interface_name->u.constant TSRMLS_CC);
- CG(active_class_entry)->num_interfaces++;
}
/* }}} */
-void zend_do_use_trait(znode *trait_name TSRMLS_DC) /* {{{ */
+static char *zend_get_use_type_str(uint32_t type) /* {{{ */
{
- zend_op *opline;
-
- if ((CG(active_class_entry)->ce_flags & ZEND_ACC_INTERFACE)) {
- zend_error(E_COMPILE_ERROR,
- "Cannot use traits inside of interfaces. %s is used in %s",
- Z_STRVAL(trait_name->u.constant), CG(active_class_entry)->name);
- }
-
-
- switch (zend_get_class_fetch_type(Z_STRVAL(trait_name->u.constant), Z_STRLEN(trait_name->u.constant))) {
- case ZEND_FETCH_CLASS_SELF:
- case ZEND_FETCH_CLASS_PARENT:
- case ZEND_FETCH_CLASS_STATIC:
- zend_error(E_COMPILE_ERROR, "Cannot use '%s' as trait name as it is reserved", Z_STRVAL(trait_name->u.constant));
- break;
- default:
- break;
+ switch (type) {
+ case T_CLASS:
+ return "";
+ case T_FUNCTION:
+ return " function";
+ case T_CONST:
+ return " const";
+ EMPTY_SWITCH_DEFAULT_CASE()
}
-
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_ADD_TRAIT;
- SET_NODE(opline->op1, &CG(implementing_class));
- zend_resolve_class_name(trait_name TSRMLS_CC);
- opline->extended_value = ZEND_FETCH_CLASS_TRAIT;
- opline->op2_type = IS_CONST;
- opline->op2.constant = zend_add_class_name_literal(CG(active_op_array), &trait_name->u.constant TSRMLS_CC);
- CG(active_class_entry)->num_traits++;
}
/* }}} */
-ZEND_API void zend_mangle_property_name(char **dest, int *dest_length, const char *src1, int src1_length, const char *src2, int src2_length, int internal) /* {{{ */
+static void zend_check_already_in_use(uint32_t type, zend_string *old_name, zend_string *new_name, zend_string *check_name) /* {{{ */
{
- char *prop_name;
- int prop_name_length;
-
- prop_name_length = 1 + src1_length + 1 + src2_length;
- prop_name = pemalloc(prop_name_length + 1, internal);
- prop_name[0] = '\0';
- memcpy(prop_name + 1, src1, src1_length+1);
- memcpy(prop_name + 1 + src1_length + 1, src2, src2_length+1);
+ if (zend_string_equals_str_ci(old_name, check_name)) {
+ return;
+ }
- *dest = prop_name;
- *dest_length = prop_name_length;
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use%s %s as %s because the name "
+ "is already in use", zend_get_use_type_str(type), old_name->val, new_name->val);
}
/* }}} */
-static int zend_strnlen(const char* s, int maxlen) /* {{{ */
+void zend_compile_use(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- int len = 0;
- while (*s++ && maxlen--) len++;
- return len;
-}
-/* }}} */
+ zend_ast_list *list = zend_ast_get_list(ast);
+ uint32_t i;
+ zend_string *current_ns = CG(current_namespace);
+ uint32_t type = ast->attr;
+ HashTable *current_import = zend_get_import_ht(type TSRMLS_CC);
+ zend_bool case_sensitive = type == T_CONST;
-ZEND_API int zend_unmangle_property_name_ex(const char *mangled_property, int len, const char **class_name, const char **prop_name, int *prop_len) /* {{{ */
-{
- int class_name_len;
+ for (i = 0; i < list->children; ++i) {
+ zend_ast *use_ast = list->child[i];
+ zend_ast *old_name_ast = use_ast->child[0];
+ zend_ast *new_name_ast = use_ast->child[1];
+ zend_string *old_name = zend_ast_get_str(old_name_ast);
+ zend_string *new_name, *lookup_name;
- *class_name = NULL;
+ if (new_name_ast) {
+ new_name = zend_string_copy(zend_ast_get_str(new_name_ast));
+ } else {
+ const char *unqualified_name;
+ size_t unqualified_name_len;
+ if (zend_get_unqualified_name(old_name, &unqualified_name, &unqualified_name_len)) {
+ /* The form "use A\B" is eqivalent to "use A\B as B" */
+ new_name = zend_string_init(unqualified_name, unqualified_name_len, 0);
+ } else {
+ new_name = zend_string_copy(old_name);
- if (mangled_property[0]!=0) {
- *prop_name = mangled_property;
- if (prop_len) {
- *prop_len = len;
- }
- return SUCCESS;
- }
- if (len < 3 || mangled_property[1]==0) {
- zend_error(E_NOTICE, "Illegal member variable name");
- *prop_name = mangled_property;
- if (prop_len) {
- *prop_len = len;
- }
- return FAILURE;
- }
+ if (!current_ns) {
+ if (type == T_CLASS && zend_string_equals_literal(new_name, "strict")) {
+ zend_error_noreturn(E_COMPILE_ERROR,
+ "You seem to be trying to use a different language...");
+ }
- class_name_len = zend_strnlen(mangled_property + 1, --len - 1) + 1;
- if (class_name_len >= len || mangled_property[class_name_len]!=0) {
- zend_error(E_NOTICE, "Corrupt member variable name");
- *prop_name = mangled_property;
- if (prop_len) {
- *prop_len = len + 1;
+ zend_error(E_WARNING, "The use statement with non-compound name '%s' "
+ "has no effect", new_name->val);
+ }
+ }
}
- return FAILURE;
- }
- *class_name = mangled_property + 1;
- *prop_name = (*class_name) + class_name_len;
- if (prop_len) {
- *prop_len = len - class_name_len;
- }
- return SUCCESS;
-}
-/* }}} */
-void zend_do_declare_property(const znode *var_name, const znode *value, zend_uint access_type TSRMLS_DC) /* {{{ */
-{
- zval *property;
- zend_property_info *existing_property_info;
- char *comment = NULL;
- int comment_len = 0;
+ if (case_sensitive) {
+ lookup_name = zend_string_copy(new_name);
+ } else {
+ lookup_name = zend_string_alloc(new_name->len, 0);
+ zend_str_tolower_copy(lookup_name->val, new_name->val, new_name->len);
+ }
- if (CG(active_class_entry)->ce_flags & ZEND_ACC_INTERFACE) {
- zend_error(E_COMPILE_ERROR, "Interfaces may not include member variables");
- }
+ if (type == T_CLASS && (zend_string_equals_literal(lookup_name, "self")
+ || zend_string_equals_literal(lookup_name, "parent"))
+ ) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use %s as %s because '%s' "
+ "is a special class name", old_name->val, new_name->val, new_name->val);
+ }
- if (access_type & ZEND_ACC_ABSTRACT) {
- zend_error(E_COMPILE_ERROR, "Properties cannot be declared abstract");
- }
+ if (current_ns) {
+ zend_string *ns_name = zend_string_alloc(current_ns->len + 1 + new_name->len, 0);
+ zend_str_tolower_copy(ns_name->val, current_ns->val, current_ns->len);
+ ns_name->val[current_ns->len] = '\\';
+ memcpy(ns_name->val + current_ns->len + 1, lookup_name->val, lookup_name->len);
- if (access_type & ZEND_ACC_FINAL) {
- zend_error(E_COMPILE_ERROR, "Cannot declare property %s::$%s final, the final modifier is allowed only for methods and classes",
- CG(active_class_entry)->name, Z_STRVAL(var_name->u.constant));
- }
+ if (zend_hash_exists(CG(class_table), ns_name)) {
+ zend_check_already_in_use(type, old_name, new_name, ns_name);
+ }
- if (zend_hash_find(&CG(active_class_entry)->properties_info, Z_STRVAL(var_name->u.constant), Z_STRLEN(var_name->u.constant)+1, (void **) &existing_property_info)==SUCCESS) {
- zend_error(E_COMPILE_ERROR, "Cannot redeclare %s::$%s", CG(active_class_entry)->name, Z_STRVAL(var_name->u.constant));
- }
- ALLOC_ZVAL(property);
+ zend_string_free(ns_name);
+ } else {
+ switch (type) {
+ case T_CLASS:
+ {
+ zend_class_entry *ce = zend_hash_find_ptr(CG(class_table), lookup_name);
+ if (ce && ce->type == ZEND_USER_CLASS
+ && ce->info.user.filename == CG(compiled_filename)
+ ) {
+ zend_check_already_in_use(type, old_name, new_name, lookup_name);
+ }
+ break;
+ }
+ case T_FUNCTION:
+ {
+ zend_function *fn = zend_hash_find_ptr(CG(function_table), lookup_name);
+ if (fn && fn->type == ZEND_USER_FUNCTION
+ && fn->op_array.filename == CG(compiled_filename)
+ ) {
+ zend_check_already_in_use(type, old_name, new_name, lookup_name);
+ }
+ break;
+ }
+ case T_CONST:
+ {
+ zend_string *filename = zend_hash_find_ptr(&CG(const_filenames), lookup_name);
+ if (filename && filename == CG(compiled_filename)) {
+ zend_check_already_in_use(type, old_name, new_name, lookup_name);
+ }
+ break;
+ }
+ EMPTY_SWITCH_DEFAULT_CASE()
+ }
+ }
- if (value) {
- *property = value->u.constant;
- } else {
- INIT_PZVAL(property);
- Z_TYPE_P(property) = IS_NULL;
- }
+ zend_string_addref(old_name);
+ if (!zend_hash_add_ptr(current_import, lookup_name, old_name)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use%s %s as %s because the name "
+ "is already in use", zend_get_use_type_str(type), old_name->val, new_name->val);
+ }
- if (CG(doc_comment)) {
- comment = CG(doc_comment);
- comment_len = CG(doc_comment_len);
- CG(doc_comment) = NULL;
- CG(doc_comment_len) = 0;
+ zend_string_release(lookup_name);
+ zend_string_release(new_name);
}
-
- zend_declare_property_ex(CG(active_class_entry), zend_new_interned_string(Z_STRVAL(var_name->u.constant), Z_STRLEN(var_name->u.constant) + 1, 0 TSRMLS_CC), Z_STRLEN(var_name->u.constant), property, access_type, comment, comment_len TSRMLS_CC);
- efree(Z_STRVAL(var_name->u.constant));
}
/* }}} */
-void zend_do_declare_class_constant(znode *var_name, const znode *value TSRMLS_DC) /* {{{ */
+void zend_compile_const_decl(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zval *property;
- const char *cname = NULL;
- zend_ulong hash;
+ zend_ast_list *list = zend_ast_get_list(ast);
+ uint32_t i;
+ for (i = 0; i < list->children; ++i) {
+ zend_ast *const_ast = list->child[i];
+ zend_ast *name_ast = const_ast->child[0];
+ zend_ast *value_ast = const_ast->child[1];
+ zend_string *name = zend_ast_get_str(name_ast);
- if(Z_TYPE(value->u.constant) == IS_CONSTANT_ARRAY) {
- zend_error(E_COMPILE_ERROR, "Arrays are not allowed in class constants");
- return;
- }
- if ((CG(active_class_entry)->ce_flags & ZEND_ACC_TRAIT) == ZEND_ACC_TRAIT) {
- zend_error(E_COMPILE_ERROR, "Traits cannot have constants");
- return;
- }
+ zend_string *import_name;
+ znode name_node, value_node;
+ zval *value_zv = &value_node.u.constant;
- ALLOC_ZVAL(property);
- *property = value->u.constant;
+ value_node.op_type = IS_CONST;
+ zend_const_expr_to_zval(value_zv, value_ast TSRMLS_CC);
- cname = zend_new_interned_string(Z_STRVAL(var_name->u.constant), Z_STRLEN(var_name->u.constant)+1, 0 TSRMLS_CC);
- hash = str_hash(cname, Z_STRLEN(var_name->u.constant));
- if (zend_hash_quick_add(&CG(active_class_entry)->constants_table, cname, Z_STRLEN(var_name->u.constant)+1, hash, &property, sizeof(zval *), NULL) == FAILURE) {
- FREE_ZVAL(property);
- zend_error(E_COMPILE_ERROR, "Cannot redefine class constant %s::%s", CG(active_class_entry)->name, Z_STRVAL(var_name->u.constant));
- }
- FREE_PNODE(var_name);
+ if (zend_lookup_reserved_const(name->val, name->len TSRMLS_CC)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot redeclare constant '%s'", name->val);
+ }
- if (CG(doc_comment)) {
- efree(CG(doc_comment));
- CG(doc_comment) = NULL;
- CG(doc_comment_len) = 0;
+ name = zend_prefix_with_ns(name TSRMLS_CC);
+ name = zend_new_interned_string(name TSRMLS_CC);
+
+ if (CG(current_import_const)
+ && (import_name = zend_hash_find_ptr(CG(current_import_const), name))
+ ) {
+ if (!zend_string_equals(import_name, name)) {
+ zend_error(E_COMPILE_ERROR, "Cannot declare const %s because "
+ "the name is already in use", name->val);
+ }
+ }
+
+ name_node.op_type = IS_CONST;
+ ZVAL_STR(&name_node.u.constant, name);
+
+ zend_emit_op(NULL, ZEND_DECLARE_CONST, &name_node, &value_node TSRMLS_CC);
+
+ zend_hash_add_ptr(&CG(const_filenames), name, CG(compiled_filename));
}
}
-/* }}} */
+/* }}}*/
-void zend_do_fetch_property(znode *result, znode *object, const znode *property TSRMLS_DC) /* {{{ */
+void zend_compile_namespace(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op opline;
- zend_llist *fetch_list_ptr;
-
- zend_stack_top(&CG(bp_stack), (void **) &fetch_list_ptr);
-
- if (object->op_type == IS_CV) {
- if (object->u.op.var == CG(active_op_array)->this_var) {
- object->op_type = IS_UNUSED; /* this means $this for objects */
- }
- } else if (fetch_list_ptr->count == 1) {
- zend_llist_element *le = fetch_list_ptr->head;
- zend_op *opline_ptr = (zend_op *) le->data;
+ zend_ast *name_ast = ast->child[0];
+ zend_ast *stmt_ast = ast->child[1];
+ zend_string *name;
+ zend_bool with_bracket = stmt_ast != NULL;
- if (opline_is_fetch_this(opline_ptr TSRMLS_CC)) {
- zend_del_literal(CG(active_op_array), opline_ptr->op1.constant);
- SET_UNUSED(opline_ptr->op1); /* this means $this for objects */
- SET_NODE(opline_ptr->op2, property);
- /* if it was usual fetch, we change it to object fetch */
- switch (opline_ptr->opcode) {
- case ZEND_FETCH_W:
- opline_ptr->opcode = ZEND_FETCH_OBJ_W;
- break;
- case ZEND_FETCH_R:
- opline_ptr->opcode = ZEND_FETCH_OBJ_R;
- break;
- case ZEND_FETCH_RW:
- opline_ptr->opcode = ZEND_FETCH_OBJ_RW;
- break;
- case ZEND_FETCH_IS:
- opline_ptr->opcode = ZEND_FETCH_OBJ_IS;
- break;
- case ZEND_FETCH_UNSET:
- opline_ptr->opcode = ZEND_FETCH_OBJ_UNSET;
- break;
- case ZEND_FETCH_FUNC_ARG:
- opline_ptr->opcode = ZEND_FETCH_OBJ_FUNC_ARG;
- break;
- }
- if (opline_ptr->op2_type == IS_CONST && Z_TYPE(CONSTANT(opline_ptr->op2.constant)) == IS_STRING) {
- CALCULATE_LITERAL_HASH(opline_ptr->op2.constant);
- GET_POLYMORPHIC_CACHE_SLOT(opline_ptr->op2.constant);
+ /* handle mixed syntax declaration or nested namespaces */
+ if (!CG(has_bracketed_namespaces)) {
+ if (CG(current_namespace)) {
+ /* previous namespace declarations were unbracketed */
+ if (with_bracket) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot mix bracketed namespace declarations "
+ "with unbracketed namespace declarations");
}
- GET_NODE(result, opline_ptr->result);
- return;
+ }
+ } else {
+ /* previous namespace declarations were bracketed */
+ if (!with_bracket) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot mix bracketed namespace declarations "
+ "with unbracketed namespace declarations");
+ } else if (CG(current_namespace) || CG(in_namespace)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Namespace declarations cannot be nested");
}
}
- if (zend_is_function_or_method_call(object)) {
- init_op(&opline TSRMLS_CC);
- opline.opcode = ZEND_SEPARATE;
- SET_NODE(opline.op1, object);
- SET_UNUSED(opline.op2);
- opline.result_type = IS_VAR;
- opline.result.var = opline.op1.var;
- zend_llist_add_element(fetch_list_ptr, &opline);
+ if (((!with_bracket && !CG(current_namespace))
+ || (with_bracket && !CG(has_bracketed_namespaces))) && CG(active_op_array)->last > 0
+ ) {
+ /* ignore ZEND_EXT_STMT and ZEND_TICKS */
+ uint32_t num = CG(active_op_array)->last;
+ while (num > 0 &&
+ (CG(active_op_array)->opcodes[num-1].opcode == ZEND_EXT_STMT ||
+ CG(active_op_array)->opcodes[num-1].opcode == ZEND_TICKS)) {
+ --num;
+ }
+ if (num > 0) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Namespace declaration statement has to be "
+ "the very first statement in the script");
+ }
}
- init_op(&opline TSRMLS_CC);
- opline.opcode = ZEND_FETCH_OBJ_W; /* the backpatching routine assumes W */
- opline.result_type = IS_VAR;
- opline.result.var = get_temporary_variable(CG(active_op_array));
- SET_NODE(opline.op1, object);
- SET_NODE(opline.op2, property);
- if (opline.op2_type == IS_CONST && Z_TYPE(CONSTANT(opline.op2.constant)) == IS_STRING) {
- CALCULATE_LITERAL_HASH(opline.op2.constant);
- GET_POLYMORPHIC_CACHE_SLOT(opline.op2.constant);
+ if (CG(current_namespace)) {
+ zend_string_release(CG(current_namespace));
}
- GET_NODE(result, opline.result);
- zend_llist_add_element(fetch_list_ptr, &opline);
-}
-/* }}} */
+ if (name_ast) {
+ name = zend_ast_get_str(name_ast);
-void zend_do_halt_compiler_register(TSRMLS_D) /* {{{ */
-{
- char *name, *cfilename;
- char haltoff[] = "__COMPILER_HALT_OFFSET__";
- int len, clen;
+ if (ZEND_FETCH_CLASS_DEFAULT != zend_get_class_fetch_type(name)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Cannot use '%s' as namespace name", name->val);
+ }
- if (CG(has_bracketed_namespaces) && CG(in_namespace)) {
- zend_error(E_COMPILE_ERROR, "__HALT_COMPILER() can only be used from the outermost scope");
+ CG(current_namespace) = zend_string_copy(name);
+ } else {
+ CG(current_namespace) = NULL;
}
- cfilename = zend_get_compiled_filename(TSRMLS_C);
- clen = strlen(cfilename);
- zend_mangle_property_name(&name, &len, haltoff, sizeof(haltoff) - 1, cfilename, clen, 0);
- zend_register_long_constant(name, len+1, zend_get_scanned_file_offset(TSRMLS_C), CONST_CS, 0 TSRMLS_CC);
- pefree(name, 0);
+ zend_reset_import_tables(TSRMLS_C);
- if (CG(in_namespace)) {
- zend_do_end_namespace(TSRMLS_C);
+ CG(in_namespace) = 1;
+ if (with_bracket) {
+ CG(has_bracketed_namespaces) = 1;
}
-}
-/* }}} */
-void zend_do_push_object(const znode *object TSRMLS_DC) /* {{{ */
-{
- zend_stack_push(&CG(object_stack), object, sizeof(znode));
-}
-/* }}} */
-
-void zend_do_pop_object(znode *object TSRMLS_DC) /* {{{ */
-{
- if (object) {
- znode *tmp;
-
- zend_stack_top(&CG(object_stack), (void **) &tmp);
- *object = *tmp;
+ if (stmt_ast) {
+ zend_compile_top_stmt(stmt_ast TSRMLS_CC);
+ zend_end_namespace(TSRMLS_C);
}
- zend_stack_del_top(&CG(object_stack));
}
/* }}} */
-void zend_do_begin_new_object(znode *new_token, znode *class_type TSRMLS_DC) /* {{{ */
+void zend_compile_halt_compiler(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *opline;
- unsigned char *ptr = NULL;
+ zend_ast *offset_ast = ast->child[0];
+ zend_long offset = Z_LVAL_P(zend_ast_get_zval(offset_ast));
- new_token->u.op.opline_num = get_next_op_number(CG(active_op_array));
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_NEW;
- opline->extended_value = CG(context).nested_calls;
- opline->result_type = IS_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- SET_NODE(opline->op1, class_type);
- SET_UNUSED(opline->op2);
+ zend_string *filename, *name;
+ const char const_name[] = "__COMPILER_HALT_OFFSET__";
- zend_stack_push(&CG(function_call_stack), (void *) &ptr, sizeof(unsigned char *));
- if (++CG(context).nested_calls > CG(active_op_array)->nested_calls) {
- CG(active_op_array)->nested_calls = CG(context).nested_calls;
+ if (CG(has_bracketed_namespaces) && CG(in_namespace)) {
+ zend_error_noreturn(E_COMPILE_ERROR,
+ "__HALT_COMPILER() can only be used from the outermost scope");
}
-}
-/* }}} */
-
-void zend_do_end_new_object(znode *result, const znode *new_token, const znode *argument_list TSRMLS_DC) /* {{{ */
-{
- znode ctor_result;
- zend_do_end_function_call(NULL, &ctor_result, argument_list, 1, 0 TSRMLS_CC);
- zend_do_free(&ctor_result TSRMLS_CC);
+ filename = zend_get_compiled_filename(TSRMLS_C);
+ name = zend_mangle_property_name(const_name, sizeof(const_name) - 1,
+ filename->val, filename->len, 0);
- CG(active_op_array)->opcodes[new_token->u.op.opline_num].op2.opline_num = get_next_op_number(CG(active_op_array));
- GET_NODE(result, CG(active_op_array)->opcodes[new_token->u.op.opline_num].result);
+ zend_register_long_constant(name->val, name->len, offset, CONST_CS, 0 TSRMLS_CC);
+ zend_string_release(name);
}
/* }}} */
-static zend_constant* zend_get_ct_const(const zval *const_name, int all_internal_constants_substitution TSRMLS_DC) /* {{{ */
+static zend_bool zend_try_ct_eval_magic_const(zval *zv, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_constant *c = NULL;
-
- if (Z_STRVAL_P(const_name)[0] == '\\') {
- if (zend_hash_find(EG(zend_constants), Z_STRVAL_P(const_name)+1, Z_STRLEN_P(const_name), (void **) &c) == FAILURE) {
- char *lookup_name = zend_str_tolower_dup(Z_STRVAL_P(const_name)+1, Z_STRLEN_P(const_name)-1);
+ zend_op_array *op_array = CG(active_op_array);
+ zend_class_entry *ce = CG(active_class_entry);
- if (zend_hash_find(EG(zend_constants), lookup_name, Z_STRLEN_P(const_name), (void **) &c)==SUCCESS) {
- if ((c->flags & CONST_CT_SUBST) && !(c->flags & CONST_CS)) {
- efree(lookup_name);
- return c;
- }
+ switch (ast->attr) {
+ case T_LINE:
+ ZVAL_LONG(zv, ast->lineno);
+ break;
+ case T_FILE:
+ ZVAL_STR_COPY(zv, CG(compiled_filename));
+ break;
+ case T_DIR:
+ {
+ zend_string *filename = CG(compiled_filename);
+ zend_string *dirname = zend_string_init(filename->val, filename->len, 0);
+ zend_dirname(dirname->val, dirname->len);
+
+ if (strcmp(dirname->val, ".") == 0) {
+ dirname = zend_string_realloc(dirname, MAXPATHLEN, 0);
+#if HAVE_GETCWD
+ VCWD_GETCWD(dirname->val, MAXPATHLEN);
+#elif HAVE_GETWD
+ VCWD_GETWD(dirname->val);
+#endif
}
- efree(lookup_name);
- return NULL;
- }
- } else if (zend_hash_find(EG(zend_constants), Z_STRVAL_P(const_name), Z_STRLEN_P(const_name)+1, (void **) &c) == FAILURE) {
- char *lookup_name = zend_str_tolower_dup(Z_STRVAL_P(const_name), Z_STRLEN_P(const_name));
- if (zend_hash_find(EG(zend_constants), lookup_name, Z_STRLEN_P(const_name)+1, (void **) &c)==SUCCESS) {
- if ((c->flags & CONST_CT_SUBST) && !(c->flags & CONST_CS)) {
- efree(lookup_name);
- return c;
- }
+ dirname->len = strlen(dirname->val);
+ ZVAL_STR(zv, dirname);
+ break;
}
- efree(lookup_name);
- return NULL;
- }
- if (c->flags & CONST_CT_SUBST) {
- return c;
- }
- if (all_internal_constants_substitution &&
- (c->flags & CONST_PERSISTENT) &&
- !(CG(compiler_options) & ZEND_COMPILE_NO_CONSTANT_SUBSTITUTION) &&
- Z_TYPE(c->value) != IS_CONSTANT &&
- Z_TYPE(c->value) != IS_CONSTANT_ARRAY) {
- return c;
- }
- return NULL;
-}
-/* }}} */
-
-static int zend_constant_ct_subst(znode *result, zval *const_name, int all_internal_constants_substitution TSRMLS_DC) /* {{{ */
-{
- zend_constant *c = zend_get_ct_const(const_name, all_internal_constants_substitution TSRMLS_CC);
-
- if (c) {
- zval_dtor(const_name);
- result->op_type = IS_CONST;
- result->u.constant = c->value;
- zval_copy_ctor(&result->u.constant);
- INIT_PZVAL(&result->u.constant);
- return 1;
- }
- return 0;
-}
-/* }}} */
-
-void zend_do_fetch_constant(znode *result, znode *constant_container, znode *constant_name, int mode, zend_bool check_namespace TSRMLS_DC) /* {{{ */
-{
- znode tmp;
- zend_op *opline;
- int type;
- char *compound;
- ulong fetch_type = 0;
-
- if (constant_container) {
- switch (mode) {
- case ZEND_CT:
- /* this is a class constant */
- type = zend_get_class_fetch_type(Z_STRVAL(constant_container->u.constant), Z_STRLEN(constant_container->u.constant));
-
- if (ZEND_FETCH_CLASS_STATIC == type) {
- zend_error(E_ERROR, "\"static::\" is not allowed in compile-time constants");
- } else if (ZEND_FETCH_CLASS_DEFAULT == type) {
- zend_resolve_class_name(constant_container TSRMLS_CC);
- }
- zend_do_build_full_name(NULL, constant_container, constant_name, 1 TSRMLS_CC);
- *result = *constant_container;
- result->u.constant.type = IS_CONSTANT | fetch_type;
- break;
- case ZEND_RT:
- if (constant_container->op_type == IS_CONST &&
- ZEND_FETCH_CLASS_DEFAULT == zend_get_class_fetch_type(Z_STRVAL(constant_container->u.constant), Z_STRLEN(constant_container->u.constant))) {
- zend_resolve_class_name(constant_container TSRMLS_CC);
- } else {
- zend_do_fetch_class(&tmp, constant_container TSRMLS_CC);
- constant_container = &tmp;
- }
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_FETCH_CONSTANT;
- opline->result_type = IS_TMP_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- if (constant_container->op_type == IS_CONST) {
- opline->op1_type = IS_CONST;
- opline->op1.constant = zend_add_class_name_literal(CG(active_op_array), &constant_container->u.constant TSRMLS_CC);
+ case T_FUNC_C:
+ if (op_array && op_array->function_name) {
+ ZVAL_STR_COPY(zv, op_array->function_name);
+ } else {
+ ZVAL_EMPTY_STRING(zv);
+ }
+ break;
+ case T_METHOD_C:
+ if (ce) {
+ if (op_array && op_array->function_name) {
+ ZVAL_NEW_STR(zv, zend_concat3(ce->name->val, ce->name->len, "::", 2,
+ op_array->function_name->val, op_array->function_name->len));
} else {
- SET_NODE(opline->op1, constant_container);
+ ZVAL_STR_COPY(zv, ce->name);
}
- SET_NODE(opline->op2, constant_name);
- CALCULATE_LITERAL_HASH(opline->op2.constant);
- if (opline->op1_type == IS_CONST) {
- GET_CACHE_SLOT(opline->op2.constant);
+ } else if (op_array && op_array->function_name) {
+ ZVAL_STR_COPY(zv, op_array->function_name);
+ } else {
+ ZVAL_EMPTY_STRING(zv);
+ }
+ break;
+ case T_CLASS_C:
+ if (ce) {
+ if (ZEND_CE_IS_TRAIT(ce)) {
+ return 0;
} else {
- GET_POLYMORPHIC_CACHE_SLOT(opline->op2.constant);
+ ZVAL_STR_COPY(zv, ce->name);
}
- GET_NODE(result, opline->result);
- break;
- }
- return;
- }
- /* namespace constant */
- /* only one that did not contain \ from the start can be converted to string if unknown */
- switch (mode) {
- case ZEND_CT:
- compound = memchr(Z_STRVAL(constant_name->u.constant), '\\', Z_STRLEN(constant_name->u.constant));
- /* this is a namespace constant, or an unprefixed constant */
-
- if (zend_constant_ct_subst(result, &constant_name->u.constant, 0 TSRMLS_CC)) {
- break;
- }
-
- zend_resolve_non_class_name(constant_name, check_namespace TSRMLS_CC);
-
- if(!compound) {
- fetch_type |= IS_CONSTANT_UNQUALIFIED;
+ } else {
+ ZVAL_EMPTY_STRING(zv);
}
-
- *result = *constant_name;
- result->u.constant.type = IS_CONSTANT | fetch_type;
break;
- case ZEND_RT:
- compound = memchr(Z_STRVAL(constant_name->u.constant), '\\', Z_STRLEN(constant_name->u.constant));
-
- zend_resolve_non_class_name(constant_name, check_namespace TSRMLS_CC);
-
- if(zend_constant_ct_subst(result, &constant_name->u.constant, 1 TSRMLS_CC)) {
- break;
+ case T_TRAIT_C:
+ if (ce && ZEND_CE_IS_TRAIT(ce)) {
+ ZVAL_STR_COPY(zv, ce->name);
+ } else {
+ ZVAL_EMPTY_STRING(zv);
}
-
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_FETCH_CONSTANT;
- opline->result_type = IS_TMP_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- GET_NODE(result, opline->result);
- SET_UNUSED(opline->op1);
- opline->op2_type = IS_CONST;
- if (compound) {
- /* the name is unambiguous */
- opline->extended_value = 0;
- opline->op2.constant = zend_add_const_name_literal(CG(active_op_array), &constant_name->u.constant, 0 TSRMLS_CC);
+ break;
+ case T_NS_C:
+ if (CG(current_namespace)) {
+ ZVAL_STR_COPY(zv, CG(current_namespace));
} else {
- opline->extended_value = IS_CONSTANT_UNQUALIFIED;
- if (CG(current_namespace)) {
- opline->extended_value |= IS_CONSTANT_IN_NAMESPACE;
- opline->op2.constant = zend_add_const_name_literal(CG(active_op_array), &constant_name->u.constant, 1 TSRMLS_CC);
- } else {
- opline->op2.constant = zend_add_const_name_literal(CG(active_op_array), &constant_name->u.constant, 0 TSRMLS_CC);
- }
+ ZVAL_EMPTY_STRING(zv);
}
- GET_CACHE_SLOT(opline->op2.constant);
break;
+ EMPTY_SWITCH_DEFAULT_CASE()
}
+
+ return 1;
}
/* }}} */
-void zend_do_shell_exec(znode *result, const znode *cmd TSRMLS_DC) /* {{{ */
+static inline void zend_ct_eval_binary_op(zval *result, uint32_t opcode, zval *op1, zval *op2 TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
-
- switch (cmd->op_type) {
- case IS_CONST:
- case IS_TMP_VAR:
- opline->opcode = ZEND_SEND_VAL;
- break;
- default:
- opline->opcode = ZEND_SEND_VAR;
- break;
- }
- SET_NODE(opline->op1, cmd);
- opline->op2.opline_num = 1;
- opline->extended_value = ZEND_DO_FCALL;
- SET_UNUSED(opline->op2);
-
- /* FIXME: exception support not added to this op2 */
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_DO_FCALL;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- opline->result_type = IS_VAR;
- LITERAL_STRINGL(opline->op1, estrndup("shell_exec", sizeof("shell_exec")-1), sizeof("shell_exec")-1, 0);
- CALCULATE_LITERAL_HASH(opline->op1.constant);
- opline->op1_type = IS_CONST;
- GET_CACHE_SLOT(opline->op1.constant);
- opline->extended_value = 1;
- SET_UNUSED(opline->op2);
- opline->op2.num = CG(context).nested_calls;
- GET_NODE(result, opline->result);
-
- if (CG(context).nested_calls + 1 > CG(active_op_array)->nested_calls) {
- CG(active_op_array)->nested_calls = CG(context).nested_calls + 1;
- }
- if (CG(context).used_stack + 2 > CG(active_op_array)->used_stack) {
- CG(active_op_array)->used_stack = CG(context).used_stack + 2;
- }
+ binary_op_type fn = get_binary_op(opcode);
+ fn(result, op1, op2 TSRMLS_CC);
}
/* }}} */
-void zend_do_init_array(znode *result, const znode *expr, const znode *offset, zend_bool is_ref TSRMLS_DC) /* {{{ */
+static inline void zend_ct_eval_unary_pm(zval *result, zend_ast_kind kind, zval *op TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ binary_op_type fn = kind == ZEND_AST_UNARY_PLUS
+ ? add_function : sub_function;
- opline->opcode = ZEND_INIT_ARRAY;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- opline->result_type = IS_TMP_VAR;
- GET_NODE(result, opline->result);
- if (expr) {
- SET_NODE(opline->op1, expr);
- if (offset) {
- SET_NODE(opline->op2, offset);
- if (opline->op2_type == IS_CONST && Z_TYPE(CONSTANT(opline->op2.constant)) == IS_STRING) {
- ulong index;
- int numeric = 0;
-
- ZEND_HANDLE_NUMERIC_EX(Z_STRVAL(CONSTANT(opline->op2.constant)), Z_STRLEN(CONSTANT(opline->op2.constant))+1, index, numeric = 1);
- if (numeric) {
- zval_dtor(&CONSTANT(opline->op2.constant));
- ZVAL_LONG(&CONSTANT(opline->op2.constant), index);
- } else {
- CALCULATE_LITERAL_HASH(opline->op2.constant);
- }
- }
- } else {
- SET_UNUSED(opline->op2);
- }
- } else {
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
- }
- opline->extended_value = is_ref;
+ zval left;
+ ZVAL_LONG(&left, 0);
+ fn(result, &left, op TSRMLS_CC);
}
/* }}} */
-void zend_do_add_array_element(znode *result, const znode *expr, const znode *offset, zend_bool is_ref TSRMLS_DC) /* {{{ */
+static inline void zend_ct_eval_greater(zval *result, zend_ast_kind kind, zval *op1, zval *op2 TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
-
- opline->opcode = ZEND_ADD_ARRAY_ELEMENT;
- SET_NODE(opline->result, result);
- SET_NODE(opline->op1, expr);
- if (offset) {
- SET_NODE(opline->op2, offset);
- if (opline->op2_type == IS_CONST && Z_TYPE(CONSTANT(opline->op2.constant)) == IS_STRING) {
- ulong index;
- int numeric = 0;
-
- ZEND_HANDLE_NUMERIC_EX(Z_STRVAL(CONSTANT(opline->op2.constant)), Z_STRLEN(CONSTANT(opline->op2.constant))+1, index, numeric = 1);
- if (numeric) {
- zval_dtor(&CONSTANT(opline->op2.constant));
- ZVAL_LONG(&CONSTANT(opline->op2.constant), index);
- } else {
- CALCULATE_LITERAL_HASH(opline->op2.constant);
- }
- }
- } else {
- SET_UNUSED(opline->op2);
- }
- opline->extended_value = is_ref;
+ binary_op_type fn = kind == ZEND_AST_GREATER
+ ? is_smaller_function : is_smaller_or_equal_function;
+ fn(result, op2, op1 TSRMLS_CC);
}
/* }}} */
-void zend_do_add_static_array_element(znode *result, znode *offset, const znode *expr) /* {{{ */
+static zend_bool zend_try_ct_eval_array(zval *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zval *element;
+ zend_ast_list *list = zend_ast_get_list(ast);
+ uint32_t i;
- ALLOC_ZVAL(element);
- *element = expr->u.constant;
- if (offset) {
- switch (offset->u.constant.type & IS_CONSTANT_TYPE_MASK) {
- case IS_CONSTANT:
- /* Ugly hack to denote that this value has a constant index */
- Z_TYPE_P(element) |= IS_CONSTANT_INDEX;
- Z_STRVAL(offset->u.constant) = erealloc(Z_STRVAL(offset->u.constant), Z_STRLEN(offset->u.constant)+3);
- Z_STRVAL(offset->u.constant)[Z_STRLEN(offset->u.constant)+1] = Z_TYPE(offset->u.constant);
- Z_STRVAL(offset->u.constant)[Z_STRLEN(offset->u.constant)+2] = 0;
- zend_symtable_update(Z_ARRVAL(result->u.constant), Z_STRVAL(offset->u.constant), Z_STRLEN(offset->u.constant)+3, &element, sizeof(zval *), NULL);
- zval_dtor(&offset->u.constant);
- break;
- case IS_STRING:
- zend_symtable_update(Z_ARRVAL(result->u.constant), Z_STRVAL(offset->u.constant), Z_STRLEN(offset->u.constant)+1, &element, sizeof(zval *), NULL);
- zval_dtor(&offset->u.constant);
- break;
- case IS_NULL:
- zend_symtable_update(Z_ARRVAL(result->u.constant), "", 1, &element, sizeof(zval *), NULL);
- break;
- case IS_LONG:
- case IS_BOOL:
- zend_hash_index_update(Z_ARRVAL(result->u.constant), Z_LVAL(offset->u.constant), &element, sizeof(zval *), NULL);
- break;
- case IS_DOUBLE:
- zend_hash_index_update(Z_ARRVAL(result->u.constant), zend_dval_to_lval(Z_DVAL(offset->u.constant)), &element, sizeof(zval *), NULL);
- break;
- case IS_CONSTANT_ARRAY:
- zend_error(E_ERROR, "Illegal offset type");
- break;
+ /* First ensure that *all* child nodes are constant and by-val */
+ for (i = 0; i < list->children; ++i) {
+ zend_ast *elem_ast = list->child[i];
+ zend_bool by_ref = elem_ast->attr;
+ zend_eval_const_expr(&elem_ast->child[0] TSRMLS_CC);
+ zend_eval_const_expr(&elem_ast->child[1] TSRMLS_CC);
+
+ if (by_ref || elem_ast->child[0]->kind != ZEND_AST_ZVAL
+ || (elem_ast->child[1] && elem_ast->child[1]->kind != ZEND_AST_ZVAL)
+ ) {
+ return 0;
}
- } else {
- zend_hash_next_index_insert(Z_ARRVAL(result->u.constant), &element, sizeof(zval *), NULL);
}
-}
-/* }}} */
-void zend_do_add_list_element(const znode *element TSRMLS_DC) /* {{{ */
-{
- list_llist_element lle;
+ array_init_size(result, list->children);
+ for (i = 0; i < list->children; ++i) {
+ zend_ast *elem_ast = list->child[i];
+ zend_ast *value_ast = elem_ast->child[0];
+ zend_ast *key_ast = elem_ast->child[1];
- if (element) {
- zend_check_writable_variable(element);
+ zval *value = zend_ast_get_zval(value_ast);
+ if (Z_REFCOUNTED_P(value)) Z_ADDREF_P(value);
- lle.var = *element;
- zend_llist_copy(&lle.dimensions, &CG(dimension_llist));
- zend_llist_prepend_element(&CG(list_llist), &lle);
+ if (key_ast) {
+ zval *key = zend_ast_get_zval(key_ast);
+ switch (Z_TYPE_P(key)) {
+ case IS_LONG:
+ zend_hash_index_update(Z_ARRVAL_P(result), Z_LVAL_P(key), value);
+ break;
+ case IS_STRING:
+ zend_symtable_update(Z_ARRVAL_P(result), Z_STR_P(key), value);
+ break;
+ case IS_DOUBLE:
+ zend_hash_index_update(Z_ARRVAL_P(result),
+ zend_dval_to_lval(Z_DVAL_P(key)), value);
+ break;
+ case IS_FALSE:
+ zend_hash_index_update(Z_ARRVAL_P(result), 0, value);
+ break;
+ case IS_TRUE:
+ zend_hash_index_update(Z_ARRVAL_P(result), 1, value);
+ break;
+ case IS_NULL:
+ zend_hash_update(Z_ARRVAL_P(result), STR_EMPTY_ALLOC(), value);
+ break;
+ default:
+ zend_error(E_COMPILE_ERROR, "Illegal offset type");
+ break;
+ }
+ } else {
+ zend_hash_next_index_insert(Z_ARRVAL_P(result), value);
+ }
}
- (*((int *)CG(dimension_llist).tail->data))++;
-}
-/* }}} */
-void zend_do_new_list_begin(TSRMLS_D) /* {{{ */
-{
- int current_dimension = 0;
- zend_llist_add_element(&CG(dimension_llist), &current_dimension);
+ return 1;
}
/* }}} */
-void zend_do_new_list_end(TSRMLS_D) /* {{{ */
+void zend_compile_binary_op(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_llist_remove_tail(&CG(dimension_llist));
- (*((int *)CG(dimension_llist).tail->data))++;
-}
-/* }}} */
+ zend_ast *left_ast = ast->child[0];
+ zend_ast *right_ast = ast->child[1];
+ uint32_t opcode = ast->attr;
-void zend_do_list_init(TSRMLS_D) /* {{{ */
-{
- zend_stack_push(&CG(list_stack), &CG(list_llist), sizeof(zend_llist));
- zend_stack_push(&CG(list_stack), &CG(dimension_llist), sizeof(zend_llist));
- zend_llist_init(&CG(list_llist), sizeof(list_llist_element), NULL, 0);
- zend_llist_init(&CG(dimension_llist), sizeof(int), NULL, 0);
- zend_do_new_list_begin(TSRMLS_C);
-}
-/* }}} */
+ znode left_node, right_node;
+ zend_compile_expr(&left_node, left_ast TSRMLS_CC);
+ zend_compile_expr(&right_node, right_ast TSRMLS_CC);
-void zend_do_list_end(znode *result, znode *expr TSRMLS_DC) /* {{{ */
-{
- zend_llist_element *le;
- zend_llist_element *dimension;
- zend_op *opline;
- znode last_container;
-
- le = CG(list_llist).head;
- while (le) {
- zend_llist *tmp_dimension_llist = &((list_llist_element *)le->data)->dimensions;
- dimension = tmp_dimension_llist->head;
- while (dimension) {
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- if (dimension == tmp_dimension_llist->head) { /* first */
- last_container = *expr;
- switch (expr->op_type) {
- case IS_VAR:
- case IS_CV:
- opline->opcode = ZEND_FETCH_DIM_R;
- break;
- case IS_TMP_VAR:
- opline->opcode = ZEND_FETCH_DIM_TMP_VAR;
- break;
- case IS_CONST: /* fetch_dim_tmp_var will handle this bogus fetch */
- zval_copy_ctor(&expr->u.constant);
- opline->opcode = ZEND_FETCH_DIM_TMP_VAR;
- break;
- }
- opline->extended_value |= ZEND_FETCH_ADD_LOCK;
- } else {
- opline->opcode = ZEND_FETCH_DIM_R;
- }
- opline->result_type = IS_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- SET_NODE(opline->op1, &last_container);
- opline->op2_type = IS_CONST;
- LITERAL_LONG(opline->op2, *((int *) dimension->data));
- GET_NODE(&last_container, opline->result);
- dimension = dimension->next;
- }
- ((list_llist_element *) le->data)->value = last_container;
- zend_llist_destroy(&((list_llist_element *) le->data)->dimensions);
- zend_do_assign(result, &((list_llist_element *) le->data)->var, &((list_llist_element *) le->data)->value TSRMLS_CC);
- zend_do_free(result TSRMLS_CC);
- le = le->next;
+ if (left_node.op_type == IS_CONST && right_node.op_type == IS_CONST) {
+ result->op_type = IS_CONST;
+ zend_ct_eval_binary_op(&result->u.constant, opcode,
+ &left_node.u.constant, &right_node.u.constant TSRMLS_CC);
+ zval_ptr_dtor(&left_node.u.constant);
+ zval_ptr_dtor(&right_node.u.constant);
+ return;
}
- zend_llist_destroy(&CG(dimension_llist));
- zend_llist_destroy(&CG(list_llist));
- *result = *expr;
- {
- zend_llist *p;
- /* restore previous lists */
- zend_stack_top(&CG(list_stack), (void **) &p);
- CG(dimension_llist) = *p;
- zend_stack_del_top(&CG(list_stack));
- zend_stack_top(&CG(list_stack), (void **) &p);
- CG(list_llist) = *p;
- zend_stack_del_top(&CG(list_stack));
- }
+ zend_emit_op_tmp(result, opcode, &left_node, &right_node TSRMLS_CC);
}
/* }}} */
-void zend_init_list(void *result, void *item TSRMLS_DC) /* {{{ */
+/* We do not use zend_compile_binary_op for this because we want to retain the left-to-right
+ * evaluation order. */
+void zend_compile_greater(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- void** list = emalloc(sizeof(void*) * 2);
+ zend_ast *left_ast = ast->child[0];
+ zend_ast *right_ast = ast->child[1];
+ znode left_node, right_node;
- list[0] = item;
- list[1] = NULL;
+ ZEND_ASSERT(ast->kind == ZEND_AST_GREATER || ast->kind == ZEND_AST_GREATER_EQUAL);
- *(void**)result = list;
+ zend_compile_expr(&left_node, left_ast TSRMLS_CC);
+ zend_compile_expr(&right_node, right_ast TSRMLS_CC);
+
+ if (left_node.op_type == IS_CONST && right_node.op_type == IS_CONST) {
+ result->op_type = IS_CONST;
+ zend_ct_eval_greater(&result->u.constant, ast->kind,
+ &left_node.u.constant, &right_node.u.constant TSRMLS_CC);
+ zval_ptr_dtor(&left_node.u.constant);
+ zval_ptr_dtor(&right_node.u.constant);
+ return;
+ }
+
+ zend_emit_op_tmp(result,
+ ast->kind == ZEND_AST_GREATER ? ZEND_IS_SMALLER : ZEND_IS_SMALLER_OR_EQUAL,
+ &right_node, &left_node TSRMLS_CC);
}
/* }}} */
-void zend_add_to_list(void *result, void *item TSRMLS_DC) /* {{{ */
+void zend_compile_unary_op(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- void** list = *(void**)result;
- size_t n = 0;
-
- if (list) {
- while (list[n]) {
- n++;
- }
- }
+ zend_ast *expr_ast = ast->child[0];
+ uint32_t opcode = ast->attr;
- list = erealloc(list, sizeof(void*) * (n+2));
+ znode expr_node;
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
- list[n] = item;
- list[n+1] = NULL;
-
- *(void**)result = list;
+ zend_emit_op_tmp(result, opcode, &expr_node, NULL TSRMLS_CC);
}
/* }}} */
-void zend_do_fetch_static_variable(znode *varname, const znode *static_assignment, int fetch_type TSRMLS_DC) /* {{{ */
+void zend_compile_unary_pm(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zval *tmp;
- zend_op *opline;
- znode lval;
- znode result;
+ zend_ast *expr_ast = ast->child[0];
+ znode zero_node, expr_node;
- ALLOC_ZVAL(tmp);
+ ZEND_ASSERT(ast->kind == ZEND_AST_UNARY_PLUS || ast->kind == ZEND_AST_UNARY_MINUS);
- if (static_assignment) {
- *tmp = static_assignment->u.constant;
- } else {
- INIT_ZVAL(*tmp);
- }
- if (!CG(active_op_array)->static_variables) {
- if (CG(active_op_array)->scope) {
- CG(active_op_array)->scope->ce_flags |= ZEND_HAS_STATIC_IN_METHODS;
- }
- ALLOC_HASHTABLE(CG(active_op_array)->static_variables);
- zend_hash_init(CG(active_op_array)->static_variables, 2, NULL, ZVAL_PTR_DTOR, 0);
- }
- zend_hash_update(CG(active_op_array)->static_variables, Z_STRVAL(varname->u.constant), Z_STRLEN(varname->u.constant)+1, &tmp, sizeof(zval *), NULL);
-
- if (varname->op_type == IS_CONST) {
- if (Z_TYPE(varname->u.constant) != IS_STRING) {
- convert_to_string(&varname->u.constant);
- }
- }
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = (fetch_type == ZEND_FETCH_LEXICAL) ? ZEND_FETCH_R : ZEND_FETCH_W; /* the default mode must be Write, since fetch_simple_variable() is used to define function arguments */
- opline->result_type = IS_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- SET_NODE(opline->op1, varname);
- if (opline->op1_type == IS_CONST) {
- CALCULATE_LITERAL_HASH(opline->op1.constant);
- }
- SET_UNUSED(opline->op2);
- opline->extended_value = ZEND_FETCH_STATIC;
- GET_NODE(&result, opline->result);
-
- if (varname->op_type == IS_CONST) {
- zval_copy_ctor(&varname->u.constant);
+ if (expr_node.op_type == IS_CONST) {
+ result->op_type = IS_CONST;
+ zend_ct_eval_unary_pm(&result->u.constant, ast->kind, &expr_node.u.constant TSRMLS_CC);
+ zval_ptr_dtor(&expr_node.u.constant);
+ return;
}
- fetch_simple_variable(&lval, varname, 0 TSRMLS_CC); /* Relies on the fact that the default fetch is BP_VAR_W */
- if (fetch_type == ZEND_FETCH_LEXICAL) {
- znode dummy;
+ zero_node.op_type = IS_CONST;
+ ZVAL_LONG(&zero_node.u.constant, 0);
- zend_do_begin_variable_parse(TSRMLS_C);
- zend_do_assign(&dummy, &lval, &result TSRMLS_CC);
- zend_do_free(&dummy TSRMLS_CC);
- } else {
- zend_do_assign_ref(NULL, &lval, &result TSRMLS_CC);
- }
- CG(active_op_array)->opcodes[CG(active_op_array)->last-1].result_type |= EXT_TYPE_UNUSED;
+ zend_emit_op_tmp(result, ast->kind == ZEND_AST_UNARY_PLUS ? ZEND_ADD : ZEND_SUB,
+ &zero_node, &expr_node TSRMLS_CC);
}
/* }}} */
-void zend_do_fetch_lexical_variable(znode *varname, zend_bool is_ref TSRMLS_DC) /* {{{ */
+void zend_compile_short_circuiting(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- znode value;
+ zend_ast *left_ast = ast->child[0];
+ zend_ast *right_ast = ast->child[1];
- if (Z_STRLEN(varname->u.constant) == sizeof("this") - 1 &&
- memcmp(Z_STRVAL(varname->u.constant), "this", sizeof("this") - 1) == 0) {
- zend_error(E_COMPILE_ERROR, "Cannot use $this as lexical variable");
- return;
- }
+ znode left_node, right_node;
+ zend_op *opline_jmpz, *opline_bool;
+ uint32_t opnum_jmpz;
- value.op_type = IS_CONST;
- ZVAL_NULL(&value.u.constant);
- Z_TYPE(value.u.constant) |= is_ref ? IS_LEXICAL_REF : IS_LEXICAL_VAR;
- Z_SET_REFCOUNT_P(&value.u.constant, 1);
- Z_UNSET_ISREF_P(&value.u.constant);
+ ZEND_ASSERT(ast->kind == ZEND_AST_AND || ast->kind == ZEND_AST_OR);
- zend_do_fetch_static_variable(varname, &value, is_ref ? ZEND_FETCH_STATIC : ZEND_FETCH_LEXICAL TSRMLS_CC);
-}
-/* }}} */
+ zend_compile_expr(&left_node, left_ast TSRMLS_CC);
-void zend_do_fetch_global_variable(znode *varname, const znode *static_assignment, int fetch_type TSRMLS_DC) /* {{{ */
-{
- zend_op *opline;
- znode lval;
- znode result;
+ opnum_jmpz = get_next_op_number(CG(active_op_array));
+ opline_jmpz = zend_emit_op(NULL, ast->kind == ZEND_AST_AND ? ZEND_JMPZ_EX : ZEND_JMPNZ_EX,
+ &left_node, NULL TSRMLS_CC);
- if (varname->op_type == IS_CONST) {
- if (Z_TYPE(varname->u.constant) != IS_STRING) {
- convert_to_string(&varname->u.constant);
- }
+ if (left_node.op_type == IS_TMP_VAR) {
+ SET_NODE(opline_jmpz->result, &left_node);
+ } else {
+ opline_jmpz->result.var = get_temporary_variable(CG(active_op_array));
+ opline_jmpz->result_type = IS_TMP_VAR;
}
+ GET_NODE(result, opline_jmpz->result);
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_FETCH_W; /* the default mode must be Write, since fetch_simple_variable() is used to define function arguments */
- opline->result_type = IS_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- SET_NODE(opline->op1, varname);
- if (opline->op1_type == IS_CONST) {
- CALCULATE_LITERAL_HASH(opline->op1.constant);
- }
- SET_UNUSED(opline->op2);
- opline->extended_value = fetch_type;
- GET_NODE(&result, opline->result);
+ zend_compile_expr(&right_node, right_ast TSRMLS_CC);
- if (varname->op_type == IS_CONST) {
- zval_copy_ctor(&varname->u.constant);
- }
- fetch_simple_variable(&lval, varname, 0 TSRMLS_CC); /* Relies on the fact that the default fetch is BP_VAR_W */
+ opline_bool = zend_emit_op(NULL, ZEND_BOOL, &right_node, NULL TSRMLS_CC);
+ SET_NODE(opline_bool->result, result);
- zend_do_assign_ref(NULL, &lval, &result TSRMLS_CC);
- CG(active_op_array)->opcodes[CG(active_op_array)->last-1].result_type |= EXT_TYPE_UNUSED;
+ zend_update_jump_target_to_next(opnum_jmpz TSRMLS_CC);
}
/* }}} */
-void zend_do_cast(znode *result, const znode *expr, int type TSRMLS_DC) /* {{{ */
+void zend_compile_post_incdec(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_ast *var_ast = ast->child[0];
+ ZEND_ASSERT(ast->kind == ZEND_AST_POST_INC || ast->kind == ZEND_AST_POST_DEC);
- opline->opcode = ZEND_CAST;
- opline->result_type = IS_TMP_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- SET_NODE(opline->op1, expr);
- SET_UNUSED(opline->op2);
- opline->extended_value = type;
- GET_NODE(result, opline->result);
+ if (var_ast->kind == ZEND_AST_PROP) {
+ zend_op *opline = zend_compile_prop_common(NULL, var_ast, BP_VAR_RW TSRMLS_CC);
+ opline->opcode = ast->kind == ZEND_AST_POST_INC ? ZEND_POST_INC_OBJ : ZEND_POST_DEC_OBJ;
+ zend_make_tmp_result(result, opline TSRMLS_CC);
+ } else {
+ znode var_node;
+ zend_compile_var(&var_node, var_ast, BP_VAR_RW TSRMLS_CC);
+ zend_emit_op_tmp(result, ast->kind == ZEND_AST_POST_INC ? ZEND_POST_INC : ZEND_POST_DEC,
+ &var_node, NULL TSRMLS_CC);
+ }
}
/* }}} */
-void zend_do_include_or_eval(int type, znode *result, const znode *op1 TSRMLS_DC) /* {{{ */
+void zend_compile_pre_incdec(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_do_extended_fcall_begin(TSRMLS_C);
- {
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_ast *var_ast = ast->child[0];
+ ZEND_ASSERT(ast->kind == ZEND_AST_PRE_INC || ast->kind == ZEND_AST_PRE_DEC);
- opline->opcode = ZEND_INCLUDE_OR_EVAL;
- opline->result_type = IS_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- SET_NODE(opline->op1, op1);
- SET_UNUSED(opline->op2);
- opline->extended_value = type;
- GET_NODE(result, opline->result);
+ if (var_ast->kind == ZEND_AST_PROP) {
+ zend_op *opline = zend_compile_prop_common(result, var_ast, BP_VAR_RW TSRMLS_CC);
+ opline->opcode = ast->kind == ZEND_AST_PRE_INC ? ZEND_PRE_INC_OBJ : ZEND_PRE_DEC_OBJ;
+ } else {
+ znode var_node;
+ zend_compile_var(&var_node, var_ast, BP_VAR_RW TSRMLS_CC);
+ zend_emit_op(result, ast->kind == ZEND_AST_PRE_INC ? ZEND_PRE_INC : ZEND_PRE_DEC,
+ &var_node, NULL TSRMLS_CC);
}
- zend_do_extended_fcall_end(TSRMLS_C);
}
/* }}} */
-void zend_do_indirect_references(znode *result, const znode *num_references, znode *variable TSRMLS_DC) /* {{{ */
+void zend_compile_cast(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- int i;
+ zend_ast *expr_ast = ast->child[0];
+ znode expr_node;
+ zend_op *opline;
- zend_do_end_variable_parse(variable, BP_VAR_R, 0 TSRMLS_CC);
- for (i=1; i<Z_LVAL(num_references->u.constant); i++) {
- fetch_simple_variable_ex(result, variable, 0, ZEND_FETCH_R TSRMLS_CC);
- *variable = *result;
- }
- zend_do_begin_variable_parse(TSRMLS_C);
- fetch_simple_variable(result, variable, 1 TSRMLS_CC);
- /* there is a chance someone is accessing $this */
- if (CG(active_op_array)->scope && CG(active_op_array)->this_var == -1) {
- CG(active_op_array)->this_var = lookup_cv(CG(active_op_array), estrndup("this", sizeof("this")-1), sizeof("this")-1, THIS_HASHVAL TSRMLS_CC);
- }
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
+
+ opline = zend_emit_op_tmp(result, ZEND_CAST, &expr_node, NULL TSRMLS_CC);
+ opline->extended_value = ast->attr;
}
/* }}} */
-void zend_do_unset(const znode *variable TSRMLS_DC) /* {{{ */
+static void zend_compile_shorthand_conditional(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *last_op;
+ zend_ast *cond_ast = ast->child[0];
+ zend_ast *false_ast = ast->child[2];
- zend_check_writable_variable(variable);
+ znode cond_node, false_node;
+ zend_op *opline_jmp_set, *opline_qm_assign;
+ uint32_t opnum_jmp_set;
- if (variable->op_type == IS_CV) {
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_UNSET_VAR;
- SET_NODE(opline->op1, variable);
- SET_UNUSED(opline->op2);
- SET_UNUSED(opline->result);
- opline->extended_value = ZEND_FETCH_LOCAL | ZEND_QUICK_SET;
- } else {
- last_op = &CG(active_op_array)->opcodes[get_next_op_number(CG(active_op_array))-1];
+ ZEND_ASSERT(ast->child[1] == NULL);
- switch (last_op->opcode) {
- case ZEND_FETCH_UNSET:
- last_op->opcode = ZEND_UNSET_VAR;
- SET_UNUSED(last_op->result);
- break;
- case ZEND_FETCH_DIM_UNSET:
- last_op->opcode = ZEND_UNSET_DIM;
- SET_UNUSED(last_op->result);
- break;
- case ZEND_FETCH_OBJ_UNSET:
- last_op->opcode = ZEND_UNSET_OBJ;
- SET_UNUSED(last_op->result);
- break;
+ zend_compile_expr(&cond_node, cond_ast TSRMLS_CC);
- }
- }
+ opnum_jmp_set = get_next_op_number(CG(active_op_array));
+ zend_emit_op_tmp(result, ZEND_JMP_SET, &cond_node, NULL TSRMLS_CC);
+
+ zend_compile_expr(&false_node, false_ast TSRMLS_CC);
+
+ opline_jmp_set = &CG(active_op_array)->opcodes[opnum_jmp_set];
+ opline_jmp_set->op2.opline_num = get_next_op_number(CG(active_op_array)) + 1;
+ opline_qm_assign = zend_emit_op_tmp(NULL, ZEND_QM_ASSIGN, &false_node, NULL TSRMLS_CC);
+ SET_NODE(opline_qm_assign->result, result);
}
/* }}} */
-void zend_do_isset_or_isempty(int type, znode *result, znode *variable TSRMLS_DC) /* {{{ */
+void zend_compile_conditional(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *last_op;
+ zend_ast *cond_ast = ast->child[0];
+ zend_ast *true_ast = ast->child[1];
+ zend_ast *false_ast = ast->child[2];
- zend_do_end_variable_parse(variable, BP_VAR_IS, 0 TSRMLS_CC);
-
- if (zend_is_function_or_method_call(variable)) {
- if (type == ZEND_ISEMPTY) {
- /* empty(func()) can be transformed to !func() */
- zend_do_unary_op(ZEND_BOOL_NOT, result, variable TSRMLS_CC);
- } else {
- zend_error(E_COMPILE_ERROR, "Cannot use isset() on the result of a function call (you can use \"null !== func()\" instead)");
- }
+ znode cond_node, true_node, false_node;
+ zend_op *opline_qm_assign1, *opline_qm_assign2;
+ uint32_t opnum_jmpz, opnum_jmp, opnum_qm_assign1;
+ if (!true_ast) {
+ zend_compile_shorthand_conditional(result, ast TSRMLS_CC);
return;
}
+
+ zend_compile_expr(&cond_node, cond_ast TSRMLS_CC);
- if (variable->op_type == IS_CV) {
- last_op = get_next_op(CG(active_op_array) TSRMLS_CC);
- last_op->opcode = ZEND_ISSET_ISEMPTY_VAR;
- SET_NODE(last_op->op1, variable);
- SET_UNUSED(last_op->op2);
- last_op->result.var = get_temporary_variable(CG(active_op_array));
- last_op->extended_value = ZEND_FETCH_LOCAL | ZEND_QUICK_SET;
- } else {
- last_op = &CG(active_op_array)->opcodes[get_next_op_number(CG(active_op_array))-1];
-
- switch (last_op->opcode) {
- case ZEND_FETCH_IS:
- last_op->opcode = ZEND_ISSET_ISEMPTY_VAR;
- break;
- case ZEND_FETCH_DIM_IS:
- last_op->opcode = ZEND_ISSET_ISEMPTY_DIM_OBJ;
- break;
- case ZEND_FETCH_OBJ_IS:
- last_op->opcode = ZEND_ISSET_ISEMPTY_PROP_OBJ;
- break;
- }
- }
- last_op->result_type = IS_TMP_VAR;
- last_op->extended_value |= type;
+ opnum_jmpz = zend_emit_cond_jump(ZEND_JMPZ, &cond_node, 0 TSRMLS_CC);
- GET_NODE(result, last_op->result);
-}
-/* }}} */
+ zend_compile_expr(&true_node, true_ast TSRMLS_CC);
-void zend_do_instanceof(znode *result, const znode *expr, const znode *class_znode, int type TSRMLS_DC) /* {{{ */
-{
- int last_op_number = get_next_op_number(CG(active_op_array));
- zend_op *opline;
+ opnum_qm_assign1 = get_next_op_number(CG(active_op_array));
+ zend_emit_op_tmp(result, ZEND_QM_ASSIGN, &true_node, NULL TSRMLS_CC);
- if (last_op_number > 0) {
- opline = &CG(active_op_array)->opcodes[last_op_number-1];
- if (opline->opcode == ZEND_FETCH_CLASS) {
- opline->extended_value |= ZEND_FETCH_CLASS_NO_AUTOLOAD;
- }
- }
+ opnum_jmp = zend_emit_jump(0 TSRMLS_CC);
- if (expr->op_type == IS_CONST) {
- zend_error(E_COMPILE_ERROR, "instanceof expects an object instance, constant given");
- }
+ zend_update_jump_target_to_next(opnum_jmpz TSRMLS_CC);
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_INSTANCEOF;
- opline->result_type = IS_TMP_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- SET_NODE(opline->op1, expr);
+ zend_compile_expr(&false_node, false_ast TSRMLS_CC);
- SET_NODE(opline->op2, class_znode);
+ opline_qm_assign1 = &CG(active_op_array)->opcodes[opnum_qm_assign1];
+ opline_qm_assign2 = zend_emit_op(NULL, opline_qm_assign1->opcode, &false_node, NULL TSRMLS_CC);
+ SET_NODE(opline_qm_assign2->result, result);
- GET_NODE(result, opline->result);
+ zend_update_jump_target_to_next(opnum_jmp TSRMLS_CC);
}
/* }}} */
-void zend_do_foreach_begin(znode *foreach_token, znode *open_brackets_token, znode *array, znode *as_token, int variable TSRMLS_DC) /* {{{ */
+void zend_compile_coalesce(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
+ zend_ast *expr_ast = ast->child[0];
+ zend_ast *default_ast = ast->child[1];
+
+ znode expr_node, default_node;
zend_op *opline;
- zend_bool is_variable;
- zend_op dummy_opline;
+ uint32_t opnum;
- if (variable) {
- if (zend_is_function_or_method_call(array)) {
- is_variable = 0;
- } else {
- is_variable = 1;
- }
- /* save the location of FETCH_W instruction(s) */
- open_brackets_token->u.op.opline_num = get_next_op_number(CG(active_op_array));
- zend_do_end_variable_parse(array, BP_VAR_W, 0 TSRMLS_CC);
- } else {
- is_variable = 0;
- open_brackets_token->u.op.opline_num = get_next_op_number(CG(active_op_array));
- }
+ zend_compile_var(&expr_node, expr_ast, BP_VAR_IS TSRMLS_CC);
- /* save the location of FE_RESET */
- foreach_token->u.op.opline_num = get_next_op_number(CG(active_op_array));
+ opnum = get_next_op_number(CG(active_op_array));
+ zend_emit_op_tmp(result, ZEND_COALESCE, &expr_node, NULL TSRMLS_CC);
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_compile_expr(&default_node, default_ast TSRMLS_CC);
- /* Preform array reset */
- opline->opcode = ZEND_FE_RESET;
- opline->result_type = IS_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- SET_NODE(opline->op1, array);
- SET_UNUSED(opline->op2);
- opline->extended_value = is_variable ? ZEND_FE_RESET_VARIABLE : 0;
+ opline = zend_emit_op_tmp(NULL, ZEND_QM_ASSIGN, &default_node, NULL TSRMLS_CC);
+ SET_NODE(opline->result, result);
- COPY_NODE(dummy_opline.result, opline->result);
- zend_stack_push(&CG(foreach_copy_stack), (void *) &dummy_opline, sizeof(zend_op));
+ opline = &CG(active_op_array)->opcodes[opnum];
+ opline->op2.opline_num = get_next_op_number(CG(active_op_array));
+}
+/* }}} */
- /* save the location of FE_FETCH */
- as_token->u.op.opline_num = get_next_op_number(CG(active_op_array));
+void zend_compile_print(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
+{
+ zend_ast *expr_ast = ast->child[0];
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_FE_FETCH;
- opline->result_type = IS_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- COPY_NODE(opline->op1, dummy_opline.result);
- opline->extended_value = 0;
- SET_UNUSED(opline->op2);
+ znode expr_node;
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_OP_DATA;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
- SET_UNUSED(opline->result);
+ zend_emit_op_tmp(result, ZEND_PRINT, &expr_node, NULL TSRMLS_CC);
}
/* }}} */
-void zend_do_foreach_cont(znode *foreach_token, const znode *open_brackets_token, const znode *as_token, znode *value, znode *key TSRMLS_DC) /* {{{ */
+void zend_compile_exit(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *opline;
- znode dummy, value_node;
- zend_bool assign_by_ref=0;
+ zend_ast *expr_ast = ast->child[0];
- opline = &CG(active_op_array)->opcodes[as_token->u.op.opline_num];
- if (key->op_type != IS_UNUSED) {
- znode *tmp;
+ if (expr_ast) {
+ znode expr_node;
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
+ zend_emit_op(NULL, ZEND_EXIT, &expr_node, NULL TSRMLS_CC);
+ } else {
+ zend_emit_op(NULL, ZEND_EXIT, NULL, NULL TSRMLS_CC);
+ }
- /* switch between the key and value... */
- tmp = key;
- key = value;
- value = tmp;
+ result->op_type = IS_CONST;
+ ZVAL_BOOL(&result->u.constant, 1);
+}
+/* }}} */
- /* Mark extended_value in case both key and value are being used */
- opline->extended_value |= ZEND_FE_FETCH_WITH_KEY;
- }
+void zend_compile_yield(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
+{
+ zend_ast *value_ast = ast->child[0];
+ zend_ast *key_ast = ast->child[1];
- if ((key->op_type != IS_UNUSED)) {
- if (key->EA & ZEND_PARSED_REFERENCE_VARIABLE) {
- zend_error(E_COMPILE_ERROR, "Key element cannot be a reference");
- }
- if (key->EA & ZEND_PARSED_LIST_EXPR) {
- zend_error(E_COMPILE_ERROR, "Cannot use list as key element");
- }
+ znode value_node, key_node;
+ znode *value_node_ptr = NULL, *key_node_ptr = NULL;
+ zend_op *opline;
+ zend_bool returns_by_ref = (CG(active_op_array)->fn_flags & ZEND_ACC_RETURN_REFERENCE) != 0;
+
+ if (!CG(active_op_array)->function_name) {
+ zend_error_noreturn(E_COMPILE_ERROR,
+ "The \"yield\" expression can only be used inside a function");
}
- if (value->EA & ZEND_PARSED_REFERENCE_VARIABLE) {
- assign_by_ref = 1;
+ CG(active_op_array)->fn_flags |= ZEND_ACC_GENERATOR;
- /* Mark extended_value for assign-by-reference */
- opline->extended_value |= ZEND_FE_FETCH_BYREF;
- CG(active_op_array)->opcodes[foreach_token->u.op.opline_num].extended_value |= ZEND_FE_RESET_REFERENCE;
- } else {
- zend_op *fetch = &CG(active_op_array)->opcodes[foreach_token->u.op.opline_num];
- zend_op *end = &CG(active_op_array)->opcodes[open_brackets_token->u.op.opline_num];
-
- /* Change "write context" into "read context" */
- fetch->extended_value = 0; /* reset ZEND_FE_RESET_VARIABLE */
- while (fetch != end) {
- --fetch;
- if (fetch->opcode == ZEND_FETCH_DIM_W && fetch->op2_type == IS_UNUSED) {
- zend_error(E_COMPILE_ERROR, "Cannot use [] for reading");
- }
- if (fetch->opcode == ZEND_SEPARATE) {
- MAKE_NOP(fetch);
- } else {
- fetch->opcode -= 3; /* FETCH_W -> FETCH_R */
- }
- }
+ if (key_ast) {
+ zend_compile_expr(&key_node, key_ast TSRMLS_CC);
+ key_node_ptr = &key_node;
}
- GET_NODE(&value_node, opline->result);
-
- if (value->EA & ZEND_PARSED_LIST_EXPR) {
- if (!CG(list_llist).head) {
- zend_error(E_COMPILE_ERROR, "Cannot use empty list");
- }
- zend_do_list_end(&dummy, &value_node TSRMLS_CC);
- zend_do_free(&dummy TSRMLS_CC);
- } else {
- if (assign_by_ref) {
- zend_do_end_variable_parse(value, BP_VAR_W, 0 TSRMLS_CC);
- /* Mark FE_FETCH as IS_VAR as it holds the data directly as a value */
- zend_do_assign_ref(NULL, value, &value_node TSRMLS_CC);
+ if (value_ast) {
+ if (returns_by_ref && zend_is_variable(value_ast) && !zend_is_call(value_ast)) {
+ zend_compile_var(&value_node, value_ast, BP_VAR_REF TSRMLS_CC);
} else {
- zend_do_assign(&dummy, value, &value_node TSRMLS_CC);
- zend_do_free(&dummy TSRMLS_CC);
+ zend_compile_expr(&value_node, value_ast TSRMLS_CC);
}
+ value_node_ptr = &value_node;
}
- if (key->op_type != IS_UNUSED) {
- znode key_node;
-
- opline = &CG(active_op_array)->opcodes[as_token->u.op.opline_num+1];
- opline->result_type = IS_TMP_VAR;
- opline->result.opline_num = get_temporary_variable(CG(active_op_array));
- GET_NODE(&key_node, opline->result);
+ opline = zend_emit_op(result, ZEND_YIELD, value_node_ptr, key_node_ptr TSRMLS_CC);
- zend_do_assign(&dummy, key, &key_node TSRMLS_CC);
- zend_do_free(&dummy TSRMLS_CC);
+ if (value_ast && returns_by_ref && zend_is_call(value_ast)) {
+ opline->extended_value = ZEND_RETURNS_FUNCTION;
}
-
- do_begin_loop(TSRMLS_C);
- INC_BPC(CG(active_op_array));
}
/* }}} */
-void zend_do_foreach_end(const znode *foreach_token, const znode *as_token TSRMLS_DC) /* {{{ */
+void zend_compile_instanceof(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *container_ptr;
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_ast *obj_ast = ast->child[0];
+ zend_ast *class_ast = ast->child[1];
- opline->opcode = ZEND_JMP;
- opline->op1.opline_num = as_token->u.op.opline_num;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
-
- CG(active_op_array)->opcodes[foreach_token->u.op.opline_num].op2.opline_num = get_next_op_number(CG(active_op_array)); /* FE_RESET */
- CG(active_op_array)->opcodes[as_token->u.op.opline_num].op2.opline_num = get_next_op_number(CG(active_op_array)); /* FE_FETCH */
+ znode obj_node, class_node;
+ zend_op *opline;
- do_end_loop(as_token->u.op.opline_num, 1 TSRMLS_CC);
+ zend_compile_expr(&obj_node, obj_ast TSRMLS_CC);
+ if (obj_node.op_type == IS_CONST) {
+ zend_error_noreturn(E_COMPILE_ERROR,
+ "instanceof expects an object instance, constant given");
+ }
- zend_stack_top(&CG(foreach_copy_stack), (void **) &container_ptr);
- generate_free_foreach_copy(container_ptr TSRMLS_CC);
- zend_stack_del_top(&CG(foreach_copy_stack));
+ opline = zend_compile_class_ref(&class_node, class_ast TSRMLS_CC);
+ opline->extended_value |= ZEND_FETCH_CLASS_NO_AUTOLOAD;
- DEC_BPC(CG(active_op_array));
+ zend_emit_op_tmp(result, ZEND_INSTANCEOF, &obj_node, &class_node TSRMLS_CC);
}
/* }}} */
-void zend_do_declare_begin(TSRMLS_D) /* {{{ */
+void zend_compile_include_or_eval(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_stack_push(&CG(declare_stack), &CG(declarables), sizeof(zend_declarables));
+ zend_ast *expr_ast = ast->child[0];
+ znode expr_node;
+ zend_op *opline;
+
+ zend_do_extended_fcall_begin(TSRMLS_C);
+ zend_compile_expr(&expr_node, expr_ast TSRMLS_CC);
+
+ opline = zend_emit_op(result, ZEND_INCLUDE_OR_EVAL, &expr_node, NULL TSRMLS_CC);
+ opline->extended_value = ast->attr;
+
+ zend_do_extended_fcall_end(TSRMLS_C);
}
/* }}} */
-void zend_do_declare_stmt(znode *var, znode *val TSRMLS_DC) /* {{{ */
+void zend_compile_isset_or_empty(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- if (!zend_binary_strcasecmp(Z_STRVAL(var->u.constant), Z_STRLEN(var->u.constant), "ticks", sizeof("ticks")-1)) {
- convert_to_long(&val->u.constant);
- CG(declarables).ticks = val->u.constant;
- } else if (!zend_binary_strcasecmp(Z_STRVAL(var->u.constant), Z_STRLEN(var->u.constant), "encoding", sizeof("encoding")-1)) {
- if ((Z_TYPE(val->u.constant) & IS_CONSTANT_TYPE_MASK) == IS_CONSTANT) {
- zend_error(E_COMPILE_ERROR, "Cannot use constants as encoding");
- }
-
- /*
- * Check that the pragma comes before any opcodes. If the compilation
- * got as far as this, the previous portion of the script must have been
- * parseable according to the .ini script_encoding setting. We still
- * want to tell them to put declare() at the top.
- */
- {
- int num = CG(active_op_array)->last;
- /* ignore ZEND_EXT_STMT and ZEND_TICKS */
- while (num > 0 &&
- (CG(active_op_array)->opcodes[num-1].opcode == ZEND_EXT_STMT ||
- CG(active_op_array)->opcodes[num-1].opcode == ZEND_TICKS)) {
- --num;
- }
+ zend_ast *var_ast = ast->child[0];
- if (num > 0) {
- zend_error(E_COMPILE_ERROR, "Encoding declaration pragma must be the very first statement in the script");
- }
- }
-
- if (CG(multibyte)) {
- const zend_encoding *new_encoding, *old_encoding;
- zend_encoding_filter old_input_filter;
+ znode var_node;
+ zend_op *opline;
- CG(encoding_declared) = 1;
+ ZEND_ASSERT(ast->kind == ZEND_AST_ISSET || ast->kind == ZEND_AST_EMPTY);
- convert_to_string(&val->u.constant);
- new_encoding = zend_multibyte_fetch_encoding(Z_STRVAL(val->u.constant) TSRMLS_CC);
- if (!new_encoding) {
- zend_error(E_COMPILE_WARNING, "Unsupported encoding [%s]", Z_STRVAL(val->u.constant));
- } else {
- old_input_filter = LANG_SCNG(input_filter);
- old_encoding = LANG_SCNG(script_encoding);
- zend_multibyte_set_filter(new_encoding TSRMLS_CC);
-
- /* need to re-scan if input filter changed */
- if (old_input_filter != LANG_SCNG(input_filter) ||
- (old_input_filter && new_encoding != old_encoding)) {
- zend_multibyte_yyinput_again(old_input_filter, old_encoding TSRMLS_CC);
- }
- }
+ if (!zend_is_variable(var_ast) || zend_is_call(var_ast)) {
+ if (ast->kind == ZEND_AST_EMPTY) {
+ /* empty(expr) can be transformed to !expr */
+ zend_ast *not_ast = zend_ast_create_ex(ZEND_AST_UNARY_OP, ZEND_BOOL_NOT, var_ast);
+ zend_compile_expr(result, not_ast TSRMLS_CC);
+ return;
} else {
- zend_error(E_COMPILE_WARNING, "declare(encoding=...) ignored because Zend multibyte feature is turned off by settings");
+ zend_error_noreturn(E_COMPILE_ERROR,
+ "Cannot use isset() on the result of an expression "
+ "(you can use \"null !== expression\" instead)");
}
- zval_dtor(&val->u.constant);
- } else {
- zend_error(E_COMPILE_WARNING, "Unsupported declare '%s'", Z_STRVAL(var->u.constant));
- zval_dtor(&val->u.constant);
}
- zval_dtor(&var->u.constant);
-}
-/* }}} */
-void zend_do_declare_end(const znode *declare_token TSRMLS_DC) /* {{{ */
-{
- zend_declarables *declarables;
-
- zend_stack_top(&CG(declare_stack), (void **) &declarables);
- /* We should restore if there was more than (current - start) - (ticks?1:0) opcodes */
- if ((get_next_op_number(CG(active_op_array)) - declare_token->u.op.opline_num) - ((Z_LVAL(CG(declarables).ticks))?1:0)) {
- CG(declarables) = *declarables;
+ switch (var_ast->kind) {
+ case ZEND_AST_VAR:
+ if (zend_try_compile_cv(&var_node, var_ast TSRMLS_CC) == SUCCESS) {
+ opline = zend_emit_op(result, ZEND_ISSET_ISEMPTY_VAR, &var_node, NULL TSRMLS_CC);
+ opline->extended_value = ZEND_FETCH_LOCAL | ZEND_QUICK_SET;
+ } else {
+ opline = zend_compile_simple_var_no_cv(result, var_ast, BP_VAR_IS TSRMLS_CC);
+ opline->opcode = ZEND_ISSET_ISEMPTY_VAR;
+ }
+ break;
+ case ZEND_AST_DIM:
+ opline = zend_compile_dim_common(result, var_ast, BP_VAR_IS TSRMLS_CC);
+ opline->opcode = ZEND_ISSET_ISEMPTY_DIM_OBJ;
+ break;
+ case ZEND_AST_PROP:
+ opline = zend_compile_prop_common(result, var_ast, BP_VAR_IS TSRMLS_CC);
+ opline->opcode = ZEND_ISSET_ISEMPTY_PROP_OBJ;
+ break;
+ case ZEND_AST_STATIC_PROP:
+ opline = zend_compile_static_prop_common(result, var_ast, BP_VAR_IS TSRMLS_CC);
+ opline->opcode = ZEND_ISSET_ISEMPTY_VAR;
+ break;
+ EMPTY_SWITCH_DEFAULT_CASE()
}
+
+ result->op_type = opline->result_type = IS_TMP_VAR;
+ opline->extended_value |= ast->kind == ZEND_AST_ISSET ? ZEND_ISSET : ZEND_ISEMPTY;
}
/* }}} */
-void zend_do_exit(znode *result, const znode *message TSRMLS_DC) /* {{{ */
+void zend_compile_silence(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_ast *expr_ast = ast->child[0];
+ znode silence_node;
+ uint32_t opline_num;
+ zend_op *begin_silence, *end_silence;
- opline->opcode = ZEND_EXIT;
- SET_NODE(opline->op1, message);
- SET_UNUSED(opline->op2);
+ opline_num = get_next_op_number(CG(active_op_array));
+ begin_silence = zend_emit_op_tmp(&silence_node, ZEND_BEGIN_SILENCE, NULL, NULL TSRMLS_CC);
+ /* pair BEGIN_SILENCE and END_SILENCE opcodes */
+ begin_silence->op2.num = opline_num;
- result->op_type = IS_CONST;
- Z_TYPE(result->u.constant) = IS_BOOL;
- Z_LVAL(result->u.constant) = 1;
+ if (expr_ast->kind == ZEND_AST_VAR) {
+ /* For @$var we need to force a FETCH instruction, otherwise the CV access will
+ * happen outside the silenced section. */
+ zend_compile_simple_var_no_cv(result, expr_ast, BP_VAR_R TSRMLS_CC);
+ } else {
+ zend_compile_expr(result, expr_ast TSRMLS_CC);
+ }
+
+ end_silence = zend_emit_op(NULL, ZEND_END_SILENCE, &silence_node, NULL TSRMLS_CC);
+ /* pair BEGIN_SILENCE and END_SILENCE opcodes */
+ end_silence->op2.num = opline_num;
}
/* }}} */
-void zend_do_begin_silence(znode *strudel_token TSRMLS_DC) /* {{{ */
+void zend_compile_shell_exec(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_ast *expr_ast = ast->child[0];
- opline->opcode = ZEND_BEGIN_SILENCE;
- opline->result_type = IS_TMP_VAR;
- opline->result.var = get_temporary_variable(CG(active_op_array));
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
- GET_NODE(strudel_token, opline->result);
-}
-/* }}} */
+ zval fn_name;
+ zend_ast *name_ast, *args_ast, *call_ast;
-void zend_do_end_silence(const znode *strudel_token TSRMLS_DC) /* {{{ */
-{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ ZVAL_STRING(&fn_name, "shell_exec");
+ name_ast = zend_ast_create_zval(&fn_name);
+ args_ast = zend_ast_create_list(1, ZEND_AST_ARG_LIST, expr_ast);
+ call_ast = zend_ast_create(ZEND_AST_CALL, name_ast, args_ast);
- opline->opcode = ZEND_END_SILENCE;
- SET_NODE(opline->op1, strudel_token);
- SET_UNUSED(opline->op2);
+ zend_compile_expr(result, call_ast TSRMLS_CC);
+
+ zval_ptr_dtor(&fn_name);
}
/* }}} */
-void zend_do_jmp_set(const znode *value, znode *jmp_token, znode *colon_token TSRMLS_DC) /* {{{ */
+void zend_compile_array(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- int op_number = get_next_op_number(CG(active_op_array));
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_ast_list *list = zend_ast_get_list(ast);
+ zend_op *opline;
+ uint32_t i, opnum_init = -1;
+ zend_bool packed = 1;
- if (value->op_type == IS_VAR || value->op_type == IS_CV) {
- opline->opcode = ZEND_JMP_SET_VAR;
- opline->result_type = IS_VAR;
- } else {
- opline->opcode = ZEND_JMP_SET;
- opline->result_type = IS_TMP_VAR;
+ if (zend_try_ct_eval_array(&result->u.constant, ast TSRMLS_CC)) {
+ result->op_type = IS_CONST;
+ return;
}
- opline->result.var = get_temporary_variable(CG(active_op_array));
- SET_NODE(opline->op1, value);
- SET_UNUSED(opline->op2);
- GET_NODE(colon_token, opline->result);
+ for (i = 0; i < list->children; ++i) {
+ zend_ast *elem_ast = list->child[i];
+ zend_ast *value_ast = elem_ast->child[0];
+ zend_ast *key_ast = elem_ast->child[1];
+ zend_bool by_ref = elem_ast->attr;
- jmp_token->u.op.opline_num = op_number;
+ znode value_node, key_node, *key_node_ptr = NULL;
- INC_BPC(CG(active_op_array));
-}
-/* }}} */
+ if (key_ast) {
+ zend_compile_expr(&key_node, key_ast TSRMLS_CC);
+ zend_handle_numeric_op(&key_node TSRMLS_CC);
+ key_node_ptr = &key_node;
+ }
-void zend_do_jmp_set_else(znode *result, const znode *false_value, const znode *jmp_token, const znode *colon_token TSRMLS_DC) /* {{{ */
-{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ if (by_ref) {
+ zend_ensure_writable_variable(value_ast);
+ zend_compile_var(&value_node, value_ast, BP_VAR_W TSRMLS_CC);
+ } else {
+ zend_compile_expr(&value_node, value_ast TSRMLS_CC);
+ }
- SET_NODE(opline->result, colon_token);
- if (colon_token->op_type == IS_TMP_VAR) {
- if (false_value->op_type == IS_VAR || false_value->op_type == IS_CV) {
- CG(active_op_array)->opcodes[jmp_token->u.op.opline_num].opcode = ZEND_JMP_SET_VAR;
- CG(active_op_array)->opcodes[jmp_token->u.op.opline_num].result_type = IS_VAR;
- opline->opcode = ZEND_QM_ASSIGN_VAR;
- opline->result_type = IS_VAR;
+ if (i == 0) {
+ opnum_init = get_next_op_number(CG(active_op_array));
+ opline = zend_emit_op_tmp(result, ZEND_INIT_ARRAY, &value_node, key_node_ptr TSRMLS_CC);
+ opline->extended_value = list->children << ZEND_ARRAY_SIZE_SHIFT;
} else {
- opline->opcode = ZEND_QM_ASSIGN;
+ opline = zend_emit_op(NULL, ZEND_ADD_ARRAY_ELEMENT,
+ &value_node, key_node_ptr TSRMLS_CC);
+ SET_NODE(opline->result, result);
}
- } else {
- opline->opcode = ZEND_QM_ASSIGN_VAR;
- }
- opline->extended_value = 0;
- SET_NODE(opline->op1, false_value);
- SET_UNUSED(opline->op2);
+ opline->extended_value |= by_ref;
- GET_NODE(result, opline->result);
+ if (key_ast && key_node.op_type == IS_CONST && Z_TYPE(key_node.u.constant) == IS_STRING) {
+ packed = 0;
+ }
+ }
- CG(active_op_array)->opcodes[jmp_token->u.op.opline_num].op2.opline_num = get_next_op_number(CG(active_op_array));
+ /* Handle empty array */
+ if (!list->children) {
+ zend_emit_op_tmp(result, ZEND_INIT_ARRAY, NULL, NULL TSRMLS_CC);
+ }
- DEC_BPC(CG(active_op_array));
+ /* Add a flag to INIT_ARRAY if we know this array cannot be packed */
+ if (!packed) {
+ ZEND_ASSERT(opnum_init != -1);
+ opline = &CG(active_op_array)->opcodes[opnum_init];
+ opline->extended_value |= ZEND_ARRAY_NOT_PACKED;
+ }
}
/* }}} */
-void zend_do_begin_qm_op(const znode *cond, znode *qm_token TSRMLS_DC) /* {{{ */
+void zend_compile_const(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- int jmpz_op_number = get_next_op_number(CG(active_op_array));
+ zend_ast *name_ast = ast->child[0];
+
zend_op *opline;
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_bool is_fully_qualified;
+ zend_string *orig_name = zend_ast_get_str(name_ast);
+ zend_string *resolved_name = zend_resolve_const_name(
+ orig_name, name_ast->attr, &is_fully_qualified TSRMLS_CC);
- opline->opcode = ZEND_JMPZ;
- SET_NODE(opline->op1, cond);
- SET_UNUSED(opline->op2);
- opline->op2.opline_num = jmpz_op_number;
- GET_NODE(qm_token, opline->op2);
+ if (zend_try_ct_eval_const(&result->u.constant, resolved_name, is_fully_qualified TSRMLS_CC)) {
+ result->op_type = IS_CONST;
+ zend_string_release(resolved_name);
+ return;
+ }
- INC_BPC(CG(active_op_array));
+ opline = zend_emit_op_tmp(result, ZEND_FETCH_CONSTANT, NULL, NULL TSRMLS_CC);
+ opline->op2_type = IS_CONST;
+
+ if (is_fully_qualified) {
+ opline->op2.constant = zend_add_const_name_literal(
+ CG(active_op_array), resolved_name, 0 TSRMLS_CC);
+ } else {
+ opline->extended_value = IS_CONSTANT_UNQUALIFIED;
+ if (CG(current_namespace)) {
+ opline->extended_value |= IS_CONSTANT_IN_NAMESPACE;
+ opline->op2.constant = zend_add_const_name_literal(
+ CG(active_op_array), resolved_name, 1 TSRMLS_CC);
+ } else {
+ opline->op2.constant = zend_add_const_name_literal(
+ CG(active_op_array), resolved_name, 0 TSRMLS_CC);
+ }
+ }
+ zend_alloc_cache_slot(opline->op2.constant TSRMLS_CC);
}
/* }}} */
-void zend_do_qm_true(const znode *true_value, znode *qm_token, znode *colon_token TSRMLS_DC) /* {{{ */
+void zend_compile_class_const(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_ast *class_ast = ast->child[0];
+ zend_ast *const_ast = ast->child[1];
- CG(active_op_array)->opcodes[qm_token->u.op.opline_num].op2.opline_num = get_next_op_number(CG(active_op_array))+1; /* jmp over the ZEND_JMP */
+ znode class_node, const_node;
+ zend_op *opline;
- if (true_value->op_type == IS_VAR || true_value->op_type == IS_CV) {
- opline->opcode = ZEND_QM_ASSIGN_VAR;
- opline->result_type = IS_VAR;
+ if (zend_is_const_default_class_ref(class_ast)) {
+ class_node.op_type = IS_CONST;
+ ZVAL_STR(&class_node.u.constant, zend_resolve_class_name_ast(class_ast TSRMLS_CC));
} else {
- opline->opcode = ZEND_QM_ASSIGN;
- opline->result_type = IS_TMP_VAR;
+ zend_compile_class_ref(&class_node, class_ast TSRMLS_CC);
}
- opline->result.var = get_temporary_variable(CG(active_op_array));
- SET_NODE(opline->op1, true_value);
- SET_UNUSED(opline->op2);
- GET_NODE(qm_token, opline->result);
- colon_token->u.op.opline_num = get_next_op_number(CG(active_op_array));
+ zend_compile_expr(&const_node, const_ast TSRMLS_CC);
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_JMP;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
+ opline = zend_emit_op_tmp(result, ZEND_FETCH_CONSTANT, NULL, &const_node TSRMLS_CC);
+
+ zend_set_class_name_op1(opline, &class_node TSRMLS_CC);
+
+ if (opline->op1_type == IS_CONST) {
+ zend_alloc_cache_slot(opline->op2.constant TSRMLS_CC);
+ } else {
+ zend_alloc_polymorphic_cache_slot(opline->op2.constant TSRMLS_CC);
+ }
}
/* }}} */
-void zend_do_qm_false(znode *result, const znode *false_value, const znode *qm_token, const znode *colon_token TSRMLS_DC) /* {{{ */
+void zend_compile_resolve_class_name(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ zend_ast *name_ast = ast->child[0];
+ uint32_t fetch_type = zend_get_class_fetch_type(zend_ast_get_str(name_ast));
- SET_NODE(opline->result, qm_token);
- if (qm_token->op_type == IS_TMP_VAR) {
- if (false_value->op_type == IS_VAR || false_value->op_type == IS_CV) {
- CG(active_op_array)->opcodes[colon_token->u.op.opline_num - 1].opcode = ZEND_QM_ASSIGN_VAR;
- CG(active_op_array)->opcodes[colon_token->u.op.opline_num - 1].result_type = IS_VAR;
- opline->opcode = ZEND_QM_ASSIGN_VAR;
- opline->result_type = IS_VAR;
- } else {
- opline->opcode = ZEND_QM_ASSIGN;
- }
- } else {
- opline->opcode = ZEND_QM_ASSIGN_VAR;
- }
- SET_NODE(opline->op1, false_value);
- SET_UNUSED(opline->op2);
+ switch (fetch_type) {
+ case ZEND_FETCH_CLASS_SELF:
+ if (!CG(active_class_entry)) {
+ zend_error_noreturn(E_COMPILE_ERROR,
+ "Cannot access self::class when no class scope is active");
+ }
+ result->op_type = IS_CONST;
+ ZVAL_STR_COPY(&result->u.constant, CG(active_class_entry)->name);
+ break;
+ case ZEND_FETCH_CLASS_STATIC:
+ case ZEND_FETCH_CLASS_PARENT:
+ if (!CG(active_class_entry)) {
+ zend_error_noreturn(E_COMPILE_ERROR,
+ "Cannot access %s::class when no class scope is active",
+ fetch_type == ZEND_FETCH_CLASS_STATIC ? "static" : "parent");
+ } else {
+ zval class_str_zv;
+ zend_ast *class_str_ast, *class_const_ast;
- CG(active_op_array)->opcodes[colon_token->u.op.opline_num].op1.opline_num = get_next_op_number(CG(active_op_array));
+ ZVAL_STRING(&class_str_zv, "class");
+ class_str_ast = zend_ast_create_zval(&class_str_zv);
+ class_const_ast = zend_ast_create(
+ ZEND_AST_CLASS_CONST, name_ast, class_str_ast);
- GET_NODE(result, opline->result);
+ zend_compile_expr(result, class_const_ast TSRMLS_CC);
- DEC_BPC(CG(active_op_array));
+ zval_ptr_dtor(&class_str_zv);
+ }
+ break;
+ case ZEND_FETCH_CLASS_DEFAULT:
+ result->op_type = IS_CONST;
+ ZVAL_STR(&result->u.constant, zend_resolve_class_name_ast(name_ast TSRMLS_CC));
+ break;
+ EMPTY_SWITCH_DEFAULT_CASE()
+ }
}
/* }}} */
-void zend_do_extended_info(TSRMLS_D) /* {{{ */
+void zend_compile_encaps_list(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *opline;
+ zend_ast_list *list = zend_ast_get_list(ast);
+ uint32_t i;
- if (!(CG(compiler_options) & ZEND_COMPILE_EXTENDED_INFO)) {
- return;
- }
+ ZEND_ASSERT(list->children > 0);
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ result->op_type = IS_TMP_VAR;
+ result->u.op.var = get_temporary_variable(CG(active_op_array));
- opline->opcode = ZEND_EXT_STMT;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
-}
-/* }}} */
+ for (i = 0; i < list->children; ++i) {
+ zend_ast *elem_ast = list->child[i];
+ znode elem_node;
+ zend_op *opline;
-void zend_do_extended_fcall_begin(TSRMLS_D) /* {{{ */
-{
- zend_op *opline;
+ zend_compile_expr(&elem_node, elem_ast TSRMLS_CC);
- if (!(CG(compiler_options) & ZEND_COMPILE_EXTENDED_INFO)) {
- return;
- }
+ if (elem_ast->kind == ZEND_AST_ZVAL) {
+ zval *zv = &elem_node.u.constant;
+ ZEND_ASSERT(Z_TYPE_P(zv) == IS_STRING);
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ if (Z_STRLEN_P(zv) > 1) {
+ opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ opline->opcode = ZEND_ADD_STRING;
+ } else if (Z_STRLEN_P(zv) == 1) {
+ char ch = *Z_STRVAL_P(zv);
+ zend_string_release(Z_STR_P(zv));
+ ZVAL_LONG(zv, ch);
- opline->opcode = ZEND_EXT_FCALL_BEGIN;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
+ opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ opline->opcode = ZEND_ADD_CHAR;
+ } else {
+ /* String can be empty after a variable at the end of a heredoc */
+ zend_string_release(Z_STR_P(zv));
+ continue;
+ }
+ } else {
+ opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ opline->opcode = ZEND_ADD_VAR;
+ ZEND_ASSERT(elem_node.op_type != IS_CONST);
+ }
+
+ if (i == 0) {
+ SET_UNUSED(opline->op1);
+ } else {
+ SET_NODE(opline->op1, result);
+ }
+ SET_NODE(opline->op2, &elem_node);
+ SET_NODE(opline->result, result);
+ }
}
/* }}} */
-void zend_do_extended_fcall_end(TSRMLS_D) /* {{{ */
+void zend_compile_magic_const(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *opline;
+ zend_class_entry *ce = CG(active_class_entry);
- if (!(CG(compiler_options) & ZEND_COMPILE_EXTENDED_INFO)) {
+ if (zend_try_ct_eval_magic_const(&result->u.constant, ast TSRMLS_CC)) {
+ result->op_type = IS_CONST;
return;
}
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
+ ZEND_ASSERT(ast->attr == T_CLASS_C && ce && ZEND_CE_IS_TRAIT(ce));
- opline->opcode = ZEND_EXT_FCALL_END;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
+ {
+ zend_ast *const_ast = zend_ast_create(ZEND_AST_CONST,
+ zend_ast_create_zval_from_str(zend_string_init("__CLASS__", sizeof("__CLASS__") - 1, 0)));
+ zend_compile_const(result, const_ast TSRMLS_CC);
+ zend_ast_destroy(const_ast);
+ }
}
/* }}} */
-void zend_do_ticks(TSRMLS_D) /* {{{ */
+zend_bool zend_is_allowed_in_const_expr(zend_ast_kind kind) /* {{{ */
{
- zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
-
- opline->opcode = ZEND_TICKS;
- SET_UNUSED(opline->op1);
- SET_UNUSED(opline->op2);
- opline->extended_value = Z_LVAL(CG(declarables).ticks);
+ return kind == ZEND_AST_ZVAL || kind == ZEND_AST_BINARY_OP
+ || kind == ZEND_AST_GREATER || kind == ZEND_AST_GREATER_EQUAL
+ || kind == ZEND_AST_AND || kind == ZEND_AST_OR
+ || kind == ZEND_AST_UNARY_OP
+ || kind == ZEND_AST_UNARY_PLUS || kind == ZEND_AST_UNARY_MINUS
+ || kind == ZEND_AST_CONDITIONAL || kind == ZEND_AST_DIM
+ || kind == ZEND_AST_ARRAY || kind == ZEND_AST_ARRAY_ELEM
+ || kind == ZEND_AST_CONST || kind == ZEND_AST_CLASS_CONST
+ || kind == ZEND_AST_RESOLVE_CLASS_NAME || kind == ZEND_AST_MAGIC_CONST;
}
/* }}} */
-zend_bool zend_is_auto_global_quick(const char *name, uint name_len, ulong hash TSRMLS_DC) /* {{{ */
+void zend_compile_const_expr_class_const(zend_ast **ast_ptr TSRMLS_DC) /* {{{ */
{
- zend_auto_global *auto_global;
+ zend_ast *ast = *ast_ptr;
+ zend_ast *class_ast = ast->child[0];
+ zend_ast *const_ast = ast->child[1];
+ zend_string *class_name;
+ zend_string *const_name = zend_ast_get_str(const_ast);
+ zval result;
+ int fetch_type;
- if (zend_hash_quick_find(CG(auto_globals), name, name_len+1, hash, (void **) &auto_global)==SUCCESS) {
- if (auto_global->armed) {
- auto_global->armed = auto_global->auto_global_callback(auto_global->name, auto_global->name_len TSRMLS_CC);
- }
- return 1;
+ if (class_ast->kind != ZEND_AST_ZVAL) {
+ zend_error_noreturn(E_COMPILE_ERROR,
+ "Dynamic class names are not allowed in compile-time class constant references");
}
- return 0;
-}
-/* }}} */
-zend_bool zend_is_auto_global(const char *name, uint name_len TSRMLS_DC) /* {{{ */
-{
- return zend_is_auto_global_quick(name, name_len, zend_hash_func(name, name_len+1) TSRMLS_CC);
-}
-/* }}} */
+ class_name = zend_ast_get_str(class_ast);
+ fetch_type = zend_get_class_fetch_type(class_name);
-int zend_register_auto_global(const char *name, uint name_len, zend_bool jit, zend_auto_global_callback auto_global_callback TSRMLS_DC) /* {{{ */
-{
- zend_auto_global auto_global;
+ if (ZEND_FETCH_CLASS_STATIC == fetch_type) {
+ zend_error_noreturn(E_COMPILE_ERROR,
+ "\"static::\" is not allowed in compile-time constants");
+ }
+
+ if (ZEND_FETCH_CLASS_DEFAULT == fetch_type) {
+ class_name = zend_resolve_class_name_ast(class_ast TSRMLS_CC);
+ } else {
+ zend_string_addref(class_name);
+ }
- auto_global.name = zend_new_interned_string((char*)name, name_len + 1, 0 TSRMLS_CC);
- auto_global.name_len = name_len;
- auto_global.auto_global_callback = auto_global_callback;
- auto_global.jit = jit;
+ Z_STR(result) = zend_concat3(
+ class_name->val, class_name->len, "::", 2, const_name->val, const_name->len);
- return zend_hash_add(CG(auto_globals), name, name_len+1, &auto_global, sizeof(zend_auto_global), NULL);
+ Z_TYPE_INFO(result) = IS_CONSTANT_EX;
+ Z_CONST_FLAGS(result) = fetch_type;
+
+ zend_ast_destroy(ast);
+ zend_string_release(class_name);
+
+ *ast_ptr = zend_ast_create_zval(&result);
}
/* }}} */
-static int zend_auto_global_init(zend_auto_global *auto_global TSRMLS_DC) /* {{{ */
+void zend_compile_const_expr_const(zend_ast **ast_ptr TSRMLS_DC) /* {{{ */
{
- if (auto_global->jit) {
- auto_global->armed = 1;
- } else if (auto_global->auto_global_callback) {
- auto_global->armed = auto_global->auto_global_callback(auto_global->name, auto_global->name_len TSRMLS_CC);
- } else {
- auto_global->armed = 0;
+ zend_ast *ast = *ast_ptr;
+ zend_ast *name_ast = ast->child[0];
+ zend_string *orig_name = zend_ast_get_str(name_ast);
+ zend_bool is_fully_qualified;
+
+ zval result, resolved_name;
+ ZVAL_STR(&resolved_name, zend_resolve_const_name(
+ orig_name, name_ast->attr, &is_fully_qualified TSRMLS_CC));
+
+ if (zend_try_ct_eval_const(&result, Z_STR(resolved_name), is_fully_qualified TSRMLS_CC)) {
+ zend_string_release(Z_STR(resolved_name));
+ zend_ast_destroy(ast);
+ *ast_ptr = zend_ast_create_zval(&result);
+ return;
}
- return 0;
-}
-/* }}} */
-ZEND_API void zend_activate_auto_globals(TSRMLS_D) /* {{{ */
-{
- zend_hash_apply(CG(auto_globals), (apply_func_t) zend_auto_global_init TSRMLS_CC);
+ Z_TYPE_INFO(resolved_name) = IS_CONSTANT_EX;
+ if (!is_fully_qualified) {
+ Z_CONST_FLAGS(resolved_name) = IS_CONSTANT_UNQUALIFIED;
+ }
+
+ zend_ast_destroy(ast);
+ *ast_ptr = zend_ast_create_zval(&resolved_name);
}
/* }}} */
-int zendlex(znode *zendlval TSRMLS_DC) /* {{{ */
+void zend_compile_const_expr_resolve_class_name(zend_ast **ast_ptr TSRMLS_DC) /* {{{ */
{
- int retval;
-
- if (CG(increment_lineno)) {
- CG(zend_lineno)++;
- CG(increment_lineno) = 0;
- }
-
-again:
- Z_TYPE(zendlval->u.constant) = IS_LONG;
- retval = lex_scan(&zendlval->u.constant TSRMLS_CC);
- switch (retval) {
- case T_COMMENT:
- case T_DOC_COMMENT:
- case T_OPEN_TAG:
- case T_WHITESPACE:
- goto again;
+ zend_ast *ast = *ast_ptr;
+ zend_ast *name_ast = ast->child[0];
+ uint32_t fetch_type = zend_get_class_fetch_type(zend_ast_get_str(name_ast));
+ zval result;
- case T_CLOSE_TAG:
- if (LANG_SCNG(yy_text)[LANG_SCNG(yy_leng)-1] != '>') {
- CG(increment_lineno) = 1;
- }
- if (CG(has_bracketed_namespaces) && !CG(in_namespace)) {
- goto again;
+ switch (fetch_type) {
+ case ZEND_FETCH_CLASS_SELF:
+ if (!CG(active_class_entry)) {
+ zend_error_noreturn(E_COMPILE_ERROR,
+ "Cannot access self::class when no class scope is active");
}
- retval = ';'; /* implicit ; */
+ ZVAL_STR_COPY(&result, CG(active_class_entry)->name);
break;
- case T_OPEN_TAG_WITH_ECHO:
- retval = T_ECHO;
+ case ZEND_FETCH_CLASS_STATIC:
+ case ZEND_FETCH_CLASS_PARENT:
+ zend_error_noreturn(E_COMPILE_ERROR,
+ "%s::class cannot be used for compile-time class name resolution",
+ fetch_type == ZEND_FETCH_CLASS_STATIC ? "static" : "parent"
+ );
+ break;
+ case ZEND_FETCH_CLASS_DEFAULT:
+ ZVAL_STR(&result, zend_resolve_class_name_ast(name_ast TSRMLS_CC));
break;
+ EMPTY_SWITCH_DEFAULT_CASE()
}
- INIT_PZVAL(&zendlval->u.constant);
- zendlval->op_type = IS_CONST;
- return retval;
+ zend_ast_destroy(ast);
+ *ast_ptr = zend_ast_create_zval(&result);
}
/* }}} */
-ZEND_API void zend_initialize_class_data(zend_class_entry *ce, zend_bool nullify_handlers TSRMLS_DC) /* {{{ */
+void zend_compile_const_expr_magic_const(zend_ast **ast_ptr TSRMLS_DC) /* {{{ */
{
- zend_bool persistent_hashes = (ce->type == ZEND_INTERNAL_CLASS) ? 1 : 0;
- dtor_func_t zval_ptr_dtor_func = ((persistent_hashes) ? ZVAL_INTERNAL_PTR_DTOR : ZVAL_PTR_DTOR);
-
- ce->refcount = 1;
- ce->ce_flags = 0;
-
- ce->default_properties_table = NULL;
- ce->default_static_members_table = NULL;
- zend_hash_init_ex(&ce->properties_info, 0, NULL, (dtor_func_t) (persistent_hashes ? zend_destroy_property_info_internal : zend_destroy_property_info), persistent_hashes, 0);
- zend_hash_init_ex(&ce->constants_table, 0, NULL, zval_ptr_dtor_func, persistent_hashes, 0);
- zend_hash_init_ex(&ce->function_table, 0, NULL, ZEND_FUNCTION_DTOR, persistent_hashes, 0);
-
- if (ce->type == ZEND_INTERNAL_CLASS) {
-#ifdef ZTS
- int n = zend_hash_num_elements(CG(class_table));
+ zend_ast *ast = *ast_ptr;
+ zend_class_entry *ce = CG(active_class_entry);
- if (CG(static_members_table) && n >= CG(last_static_member)) {
- /* Support for run-time declaration: dl() */
- CG(last_static_member) = n+1;
- CG(static_members_table) = realloc(CG(static_members_table), (n+1)*sizeof(zval**));
- CG(static_members_table)[n] = NULL;
- }
- ce->static_members_table = (zval**)(zend_intptr_t)n;
-#else
- ce->static_members_table = NULL;
-#endif
- } else {
- ce->static_members_table = ce->default_static_members_table;
- ce->info.user.doc_comment = NULL;
- ce->info.user.doc_comment_len = 0;
- }
+ /* Other cases already resolved by constant folding */
+ ZEND_ASSERT(ast->attr == T_CLASS_C && ce && ZEND_CE_IS_TRAIT(ce));
- ce->default_properties_count = 0;
- ce->default_static_members_count = 0;
+ {
+ zval const_zv;
+ ZVAL_STRING(&const_zv, "__CLASS__");
+ Z_TYPE_INFO(const_zv) = IS_CONSTANT_EX;
- if (nullify_handlers) {
- ce->constructor = NULL;
- ce->destructor = NULL;
- ce->clone = NULL;
- ce->__get = NULL;
- ce->__set = NULL;
- ce->__unset = NULL;
- ce->__isset = NULL;
- ce->__call = NULL;
- ce->__callstatic = NULL;
- ce->__tostring = NULL;
- ce->create_object = NULL;
- ce->get_iterator = NULL;
- ce->iterator_funcs.funcs = NULL;
- ce->interface_gets_implemented = NULL;
- ce->get_static_method = NULL;
- ce->parent = NULL;
- ce->num_interfaces = 0;
- ce->interfaces = NULL;
- ce->num_traits = 0;
- ce->traits = NULL;
- ce->trait_aliases = NULL;
- ce->trait_precedences = NULL;
- ce->serialize = NULL;
- ce->unserialize = NULL;
- ce->serialize_func = NULL;
- ce->unserialize_func = NULL;
- if (ce->type == ZEND_INTERNAL_CLASS) {
- ce->info.internal.module = NULL;
- ce->info.internal.builtin_functions = NULL;
- }
+ zend_ast_destroy(ast);
+ *ast_ptr = zend_ast_create_zval(&const_zv);
}
}
/* }}} */
-int zend_get_class_fetch_type(const char *class_name, uint class_name_len) /* {{{ */
+void zend_compile_const_expr(zend_ast **ast_ptr TSRMLS_DC) /* {{{ */
{
- if ((class_name_len == sizeof("self")-1) &&
- !strncasecmp(class_name, "self", sizeof("self")-1)) {
- return ZEND_FETCH_CLASS_SELF;
- } else if ((class_name_len == sizeof("parent")-1) &&
- !strncasecmp(class_name, "parent", sizeof("parent")-1)) {
- return ZEND_FETCH_CLASS_PARENT;
- } else if ((class_name_len == sizeof("static")-1) &&
- !strncasecmp(class_name, "static", sizeof("static")-1)) {
- return ZEND_FETCH_CLASS_STATIC;
- } else {
- return ZEND_FETCH_CLASS_DEFAULT;
+ zend_ast *ast = *ast_ptr;
+ if (ast == NULL || ast->kind == ZEND_AST_ZVAL) {
+ return;
}
-}
-/* }}} */
-ZEND_API const char* zend_get_compiled_variable_name(const zend_op_array *op_array, zend_uint var, int* name_len) /* {{{ */
-{
- if (name_len) {
- *name_len = op_array->vars[var].name_len;
+ if (!zend_is_allowed_in_const_expr(ast->kind)) {
+ zend_error_noreturn(E_COMPILE_ERROR, "Constant expression contains invalid operations");
+ }
+
+ switch (ast->kind) {
+ case ZEND_AST_CLASS_CONST:
+ zend_compile_const_expr_class_const(ast_ptr TSRMLS_CC);
+ break;
+ case ZEND_AST_CONST:
+ zend_compile_const_expr_const(ast_ptr TSRMLS_CC);
+ break;
+ case ZEND_AST_RESOLVE_CLASS_NAME:
+ zend_compile_const_expr_resolve_class_name(ast_ptr TSRMLS_CC);
+ break;
+ case ZEND_AST_MAGIC_CONST:
+ zend_compile_const_expr_magic_const(ast_ptr TSRMLS_CC);
+ break;
+ default:
+ zend_ast_apply(ast, zend_compile_const_expr TSRMLS_CC);
+ break;
}
- return op_array->vars[var].name;
}
/* }}} */
-void zend_do_build_namespace_name(znode *result, znode *prefix, znode *name TSRMLS_DC) /* {{{ */
+void zend_const_expr_to_zval(zval *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- if (prefix) {
- *result = *prefix;
- if (Z_TYPE(result->u.constant) == IS_STRING &&
- Z_STRLEN(result->u.constant) == 0) {
- /* namespace\ */
- if (CG(current_namespace)) {
- znode tmp;
+ zend_ast *orig_ast = ast;
+ zend_eval_const_expr(&ast TSRMLS_CC);
+ zend_compile_const_expr(&ast TSRMLS_CC);
+ if (ast->kind == ZEND_AST_ZVAL) {
+ ZVAL_COPY_VALUE(result, zend_ast_get_zval(ast));
- zval_dtor(&result->u.constant);
- tmp.op_type = IS_CONST;
- tmp.u.constant = *CG(current_namespace);
- zval_copy_ctor(&tmp.u.constant);
- zend_do_build_namespace_name(result, NULL, &tmp TSRMLS_CC);
- }
- }
+ /* Kill this branch of the original AST, as it was already destroyed.
+ * It would be nice to find a better solution to this problem in the
+ * future. */
+ orig_ast->kind = 0;
} else {
- result->op_type = IS_CONST;
- Z_TYPE(result->u.constant) = IS_STRING;
- Z_STRVAL(result->u.constant) = NULL;
- Z_STRLEN(result->u.constant) = 0;
+ ZVAL_NEW_AST(result, zend_ast_copy(ast));
}
- /* prefix = result */
- zend_do_build_full_name(NULL, result, name, 0 TSRMLS_CC);
}
/* }}} */
-void zend_do_begin_namespace(const znode *name, zend_bool with_bracket TSRMLS_DC) /* {{{ */
+/* Same as compile_stmt, but with early binding */
+void zend_compile_top_stmt(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- char *lcname;
-
- /* handle mixed syntax declaration or nested namespaces */
- if (!CG(has_bracketed_namespaces)) {
- if (CG(current_namespace)) {
- /* previous namespace declarations were unbracketed */
- if (with_bracket) {
- zend_error(E_COMPILE_ERROR, "Cannot mix bracketed namespace declarations with unbracketed namespace declarations");
- }
- }
- } else {
- /* previous namespace declarations were bracketed */
- if (!with_bracket) {
- zend_error(E_COMPILE_ERROR, "Cannot mix bracketed namespace declarations with unbracketed namespace declarations");
- } else if (CG(current_namespace) || CG(in_namespace)) {
- zend_error(E_COMPILE_ERROR, "Namespace declarations cannot be nested");
- }
+ if (!ast) {
+ return;
}
- if (((!with_bracket && !CG(current_namespace)) || (with_bracket && !CG(has_bracketed_namespaces))) && CG(active_op_array)->last > 0) {
- /* ignore ZEND_EXT_STMT and ZEND_TICKS */
- int num = CG(active_op_array)->last;
- while (num > 0 &&
- (CG(active_op_array)->opcodes[num-1].opcode == ZEND_EXT_STMT ||
- CG(active_op_array)->opcodes[num-1].opcode == ZEND_TICKS)) {
- --num;
- }
- if (num > 0) {
- zend_error(E_COMPILE_ERROR, "Namespace declaration statement has to be the very first statement in the script");
+ if (ast->kind == ZEND_AST_STMT_LIST) {
+ zend_ast_list *list = zend_ast_get_list(ast);
+ uint32_t i;
+ for (i = 0; i < list->children; ++i) {
+ zend_compile_top_stmt(list->child[i] TSRMLS_CC);
}
+ return;
}
- CG(in_namespace) = 1;
- if (with_bracket) {
- CG(has_bracketed_namespaces) = 1;
- }
-
- if (name) {
- lcname = zend_str_tolower_dup(Z_STRVAL(name->u.constant), Z_STRLEN(name->u.constant));
- if (((Z_STRLEN(name->u.constant) == sizeof("self")-1) &&
- !memcmp(lcname, "self", sizeof("self")-1)) ||
- ((Z_STRLEN(name->u.constant) == sizeof("parent")-1) &&
- !memcmp(lcname, "parent", sizeof("parent")-1))) {
- zend_error(E_COMPILE_ERROR, "Cannot use '%s' as namespace name", Z_STRVAL(name->u.constant));
- }
- efree(lcname);
+ zend_compile_stmt(ast TSRMLS_CC);
- if (CG(current_namespace)) {
- zval_dtor(CG(current_namespace));
- } else {
- ALLOC_ZVAL(CG(current_namespace));
- }
- *CG(current_namespace) = name->u.constant;
- } else {
- if (CG(current_namespace)) {
- zval_dtor(CG(current_namespace));
- FREE_ZVAL(CG(current_namespace));
- CG(current_namespace) = NULL;
- }
+ if (ast->kind != ZEND_AST_NAMESPACE && ast->kind != ZEND_AST_HALT_COMPILER) {
+ zend_verify_namespace(TSRMLS_C);
}
-
- if (CG(current_import)) {
- zend_hash_destroy(CG(current_import));
- efree(CG(current_import));
- CG(current_import) = NULL;
- }
-
- if (CG(doc_comment)) {
- efree(CG(doc_comment));
- CG(doc_comment) = NULL;
- CG(doc_comment_len) = 0;
+ if (ast->kind == ZEND_AST_FUNC_DECL || ast->kind == ZEND_AST_CLASS) {
+ CG(zend_lineno) = ((zend_ast_decl *) ast)->end_lineno;
+ zend_do_early_binding(TSRMLS_C);
}
}
/* }}} */
-void zend_do_use(znode *ns_name, znode *new_name, int is_global TSRMLS_DC) /* {{{ */
+void zend_compile_stmt(zend_ast *ast TSRMLS_DC) /* {{{ */
{
- char *lcname;
- zval *name, *ns, tmp;
- zend_bool warn = 0;
- zend_class_entry **pce;
-
- if (!CG(current_import)) {
- CG(current_import) = emalloc(sizeof(HashTable));
- zend_hash_init(CG(current_import), 0, NULL, ZVAL_PTR_DTOR, 0);
- }
-
- ALLOC_ZVAL(ns);
- *ns = ns_name->u.constant;
- if (new_name) {
- name = &new_name->u.constant;
- } else {
- const char *p;
-
- /* The form "use A\B" is eqivalent to "use A\B as B".
- So we extract the last part of compound name to use as a new_name */
- name = &tmp;
- p = zend_memrchr(Z_STRVAL_P(ns), '\\', Z_STRLEN_P(ns));
- if (p) {
- ZVAL_STRING(name, p+1, 1);
- } else {
- *name = *ns;
- zval_copy_ctor(name);
- warn = !is_global && !CG(current_namespace);
- }
+ if (!ast) {
+ return;
}
- lcname = zend_str_tolower_dup(Z_STRVAL_P(name), Z_STRLEN_P(name));
+ CG(zend_lineno) = ast->lineno;
- if (((Z_STRLEN_P(name) == sizeof("self")-1) &&
- !memcmp(lcname, "self", sizeof("self")-1)) ||
- ((Z_STRLEN_P(name) == sizeof("parent")-1) &&
- !memcmp(lcname, "parent", sizeof("parent")-1))) {
- zend_error(E_COMPILE_ERROR, "Cannot use %s as %s because '%s' is a special class name", Z_STRVAL_P(ns), Z_STRVAL_P(name), Z_STRVAL_P(name));
- }
-
- if (CG(current_namespace)) {
- /* Prefix import name with current namespace name to avoid conflicts with classes */
- char *c_ns_name = emalloc(Z_STRLEN_P(CG(current_namespace)) + 1 + Z_STRLEN_P(name) + 1);
-
- zend_str_tolower_copy(c_ns_name, Z_STRVAL_P(CG(current_namespace)), Z_STRLEN_P(CG(current_namespace)));
- c_ns_name[Z_STRLEN_P(CG(current_namespace))] = '\\';
- memcpy(c_ns_name+Z_STRLEN_P(CG(current_namespace))+1, lcname, Z_STRLEN_P(name)+1);
- if (zend_hash_exists(CG(class_table), c_ns_name, Z_STRLEN_P(CG(current_namespace)) + 1 + Z_STRLEN_P(name)+1)) {
- char *tmp2 = zend_str_tolower_dup(Z_STRVAL_P(ns), Z_STRLEN_P(ns));
-
- if (Z_STRLEN_P(ns) != Z_STRLEN_P(CG(current_namespace)) + 1 + Z_STRLEN_P(name) ||
- memcmp(tmp2, c_ns_name, Z_STRLEN_P(ns))) {
- zend_error(E_COMPILE_ERROR, "Cannot use %s as %s because the name is already in use", Z_STRVAL_P(ns), Z_STRVAL_P(name));
- }
- efree(tmp2);
- }
- efree(c_ns_name);
- } else if (zend_hash_find(CG(class_table), lcname, Z_STRLEN_P(name)+1, (void**)&pce) == SUCCESS &&
- (*pce)->type == ZEND_USER_CLASS &&
- (*pce)->info.user.filename == CG(compiled_filename)) {
- char *c_tmp = zend_str_tolower_dup(Z_STRVAL_P(ns), Z_STRLEN_P(ns));
-
- if (Z_STRLEN_P(ns) != Z_STRLEN_P(name) ||
- memcmp(c_tmp, lcname, Z_STRLEN_P(ns))) {
- zend_error(E_COMPILE_ERROR, "Cannot use %s as %s because the name is already in use", Z_STRVAL_P(ns), Z_STRVAL_P(name));
+ switch (ast->kind) {
+ case ZEND_AST_STMT_LIST:
+ zend_compile_stmt_list(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_GLOBAL:
+ zend_compile_global_var(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_STATIC:
+ zend_compile_static_var(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_UNSET:
+ zend_compile_unset(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_RETURN:
+ zend_compile_return(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_ECHO:
+ zend_compile_echo(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_THROW:
+ zend_compile_throw(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_BREAK:
+ case ZEND_AST_CONTINUE:
+ zend_compile_break_continue(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_GOTO:
+ zend_compile_goto(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_LABEL:
+ zend_compile_label(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_WHILE:
+ zend_compile_while(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_DO_WHILE:
+ zend_compile_do_while(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_FOR:
+ zend_compile_for(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_FOREACH:
+ zend_compile_foreach(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_IF:
+ zend_compile_if(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_SWITCH:
+ zend_compile_switch(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_TRY:
+ zend_compile_try(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_DECLARE:
+ zend_compile_declare(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_FUNC_DECL:
+ case ZEND_AST_METHOD:
+ zend_compile_func_decl(NULL, ast TSRMLS_CC);
+ break;
+ case ZEND_AST_PROP_DECL:
+ zend_compile_prop_decl(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_CLASS_CONST_DECL:
+ zend_compile_class_const_decl(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_USE_TRAIT:
+ zend_compile_use_trait(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_CLASS:
+ zend_compile_class_decl(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_USE:
+ zend_compile_use(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_CONST_DECL:
+ zend_compile_const_decl(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_NAMESPACE:
+ zend_compile_namespace(ast TSRMLS_CC);
+ break;
+ case ZEND_AST_HALT_COMPILER:
+ zend_compile_halt_compiler(ast TSRMLS_CC);
+ break;
+ default:
+ {
+ znode result;
+ zend_compile_expr(&result, ast TSRMLS_CC);
+ zend_do_free(&result TSRMLS_CC);
}
- efree(c_tmp);
}
- if (zend_hash_add(CG(current_import), lcname, Z_STRLEN_P(name)+1, &ns, sizeof(zval*), NULL) != SUCCESS) {
- zend_error(E_COMPILE_ERROR, "Cannot use %s as %s because the name is already in use", Z_STRVAL_P(ns), Z_STRVAL_P(name));
- }
- if (warn) {
- if (!strcmp(Z_STRVAL_P(name), "strict")) {
- zend_error(E_COMPILE_ERROR, "You seem to be trying to use a different language...");
- }
- zend_error(E_WARNING, "The use statement with non-compound name '%s' has no effect", Z_STRVAL_P(name));
+ if (Z_LVAL(CG(declarables).ticks) && !zend_is_unticked_stmt(ast)) {
+ zend_emit_tick(TSRMLS_C);
}
- efree(lcname);
- zval_dtor(name);
}
/* }}} */
-void zend_do_declare_constant(znode *name, znode *value TSRMLS_DC) /* {{{ */
+void zend_compile_expr(znode *result, zend_ast *ast TSRMLS_DC) /* {{{ */
{
- zend_op *opline;
-
- if(Z_TYPE(value->u.constant) == IS_CONSTANT_ARRAY) {
- zend_error(E_COMPILE_ERROR, "Arrays are not allowed as constants");
- }
-
- if (zend_get_ct_const(&name->u.constant, 0 TSRMLS_CC)) {
- zend_error(E_COMPILE_ERROR, "Cannot redeclare constant '%s'", Z_STRVAL(name->u.constant));
- }
-
- if (CG(current_namespace)) {
- /* Prefix constant name with name of current namespace, lowercased */
- znode tmp;
+ /* CG(zend_lineno) = ast->lineno; */
+ CG(zend_lineno) = zend_ast_get_lineno(ast);
- tmp.op_type = IS_CONST;
- tmp.u.constant = *CG(current_namespace);
- Z_STRVAL(tmp.u.constant) = zend_str_tolower_dup(Z_STRVAL(tmp.u.constant), Z_STRLEN(tmp.u.constant));
- zend_do_build_namespace_name(&tmp, &tmp, name TSRMLS_CC);
- *name = tmp;
+ switch (ast->kind) {
+ case ZEND_AST_ZVAL:
+ ZVAL_COPY(&result->u.constant, zend_ast_get_zval(ast));
+ result->op_type = IS_CONST;
+ return;
+ case ZEND_AST_ZNODE:
+ *result = *zend_ast_get_znode(ast);
+ return;
+ case ZEND_AST_VAR:
+ case ZEND_AST_DIM:
+ case ZEND_AST_PROP:
+ case ZEND_AST_STATIC_PROP:
+ case ZEND_AST_CALL:
+ case ZEND_AST_METHOD_CALL:
+ case ZEND_AST_STATIC_CALL:
+ zend_compile_var(result, ast, BP_VAR_R TSRMLS_CC);
+ return;
+ case ZEND_AST_ASSIGN:
+ zend_compile_assign(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_ASSIGN_REF:
+ zend_compile_assign_ref(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_NEW:
+ zend_compile_new(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_CLONE:
+ zend_compile_clone(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_ASSIGN_OP:
+ zend_compile_compound_assign(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_BINARY_OP:
+ zend_compile_binary_op(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_GREATER:
+ case ZEND_AST_GREATER_EQUAL:
+ zend_compile_greater(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_UNARY_OP:
+ zend_compile_unary_op(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_UNARY_PLUS:
+ case ZEND_AST_UNARY_MINUS:
+ zend_compile_unary_pm(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_AND:
+ case ZEND_AST_OR:
+ zend_compile_short_circuiting(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_POST_INC:
+ case ZEND_AST_POST_DEC:
+ zend_compile_post_incdec(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_PRE_INC:
+ case ZEND_AST_PRE_DEC:
+ zend_compile_pre_incdec(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_CAST:
+ zend_compile_cast(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_CONDITIONAL:
+ zend_compile_conditional(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_COALESCE:
+ zend_compile_coalesce(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_PRINT:
+ zend_compile_print(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_EXIT:
+ zend_compile_exit(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_YIELD:
+ zend_compile_yield(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_INSTANCEOF:
+ zend_compile_instanceof(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_INCLUDE_OR_EVAL:
+ zend_compile_include_or_eval(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_ISSET:
+ case ZEND_AST_EMPTY:
+ zend_compile_isset_or_empty(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_SILENCE:
+ zend_compile_silence(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_SHELL_EXEC:
+ zend_compile_shell_exec(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_ARRAY:
+ zend_compile_array(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_CONST:
+ zend_compile_const(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_CLASS_CONST:
+ zend_compile_class_const(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_RESOLVE_CLASS_NAME:
+ zend_compile_resolve_class_name(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_ENCAPS_LIST:
+ zend_compile_encaps_list(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_MAGIC_CONST:
+ zend_compile_magic_const(result, ast TSRMLS_CC);
+ return;
+ case ZEND_AST_CLOSURE:
+ zend_compile_func_decl(result, ast TSRMLS_CC);
+ return;
+ default:
+ ZEND_ASSERT(0 /* not supported */);
}
-
- opline = get_next_op(CG(active_op_array) TSRMLS_CC);
- opline->opcode = ZEND_DECLARE_CONST;
- SET_UNUSED(opline->result);
- SET_NODE(opline->op1, name);
- SET_NODE(opline->op2, value);
}
/* }}} */
-void zend_verify_namespace(TSRMLS_D) /* {{{ */
+void zend_compile_var(znode *result, zend_ast *ast, uint32_t type TSRMLS_DC) /* {{{ */
{
- if (CG(has_bracketed_namespaces) && !CG(in_namespace)) {
- zend_error(E_COMPILE_ERROR, "No code may exist outside of namespace {}");
+ switch (ast->kind) {
+ case ZEND_AST_VAR:
+ zend_compile_simple_var(result, ast, type TSRMLS_CC);
+ return;
+ case ZEND_AST_DIM:
+ zend_compile_dim(result, ast, type TSRMLS_CC);
+ return;
+ case ZEND_AST_PROP:
+ zend_compile_prop(result, ast, type TSRMLS_CC);
+ return;
+ case ZEND_AST_STATIC_PROP:
+ zend_compile_static_prop(result, ast, type TSRMLS_CC);
+ return;
+ case ZEND_AST_CALL:
+ zend_compile_call(result, ast, type TSRMLS_CC);
+ return;
+ case ZEND_AST_METHOD_CALL:
+ zend_compile_method_call(result, ast, type TSRMLS_CC);
+ return;
+ case ZEND_AST_STATIC_CALL:
+ zend_compile_static_call(result, ast, type TSRMLS_CC);
+ return;
+ case ZEND_AST_ZNODE:
+ *result = *zend_ast_get_znode(ast);
+ return;
+ default:
+ if (type == BP_VAR_W || type == BP_VAR_REF
+ || type == BP_VAR_RW || type == BP_VAR_UNSET
+ ) {
+ /* For BC reasons =& new Foo is allowed */
+ if (type != BP_VAR_REF || ast->kind != ZEND_AST_NEW) {
+ zend_error_noreturn(E_COMPILE_ERROR,
+ "Cannot use temporary expression in write context");
+ }
+ }
+
+ zend_compile_expr(result, ast TSRMLS_CC);
+ return;
}
}
/* }}} */
-void zend_do_end_namespace(TSRMLS_D) /* {{{ */
+void zend_delayed_compile_var(znode *result, zend_ast *ast, uint32_t type TSRMLS_DC) /* {{{ */
{
- CG(in_namespace) = 0;
- if (CG(current_namespace)) {
- zval_dtor(CG(current_namespace));
- FREE_ZVAL(CG(current_namespace));
- CG(current_namespace) = NULL;
- }
- if (CG(current_import)) {
- zend_hash_destroy(CG(current_import));
- efree(CG(current_import));
- CG(current_import) = NULL;
+ zend_op *opline;
+ switch (ast->kind) {
+ case ZEND_AST_DIM:
+ opline = zend_delayed_compile_dim(result, ast, type TSRMLS_CC);
+ zend_adjust_for_fetch_type(opline, type);
+ return;
+ case ZEND_AST_PROP:
+ opline = zend_delayed_compile_prop(result, ast, type TSRMLS_CC);
+ zend_adjust_for_fetch_type(opline, type);
+ return;
+ default:
+ zend_compile_var(result, ast, type TSRMLS_CC);
+ return;
}
}
/* }}} */
-void zend_do_end_compilation(TSRMLS_D) /* {{{ */
+void zend_eval_const_expr(zend_ast **ast_ptr TSRMLS_DC) /* {{{ */
{
- CG(has_bracketed_namespaces) = 0;
- zend_do_end_namespace(TSRMLS_C);
-}
-/* }}} */
+ zend_ast *ast = *ast_ptr;
+ zval result;
-/* {{{ zend_dirname
- Returns directory name component of path */
-ZEND_API size_t zend_dirname(char *path, size_t len)
-{
- register char *end = path + len - 1;
- unsigned int len_adjust = 0;
-
-#ifdef PHP_WIN32
- /* Note that on Win32 CWD is per drive (heritage from CP/M).
- * This means dirname("c:foo") maps to "c:." or "c:" - which means CWD on C: drive.
- */
- if ((2 <= len) && isalpha((int)((unsigned char *)path)[0]) && (':' == path[1])) {
- /* Skip over the drive spec (if any) so as not to change */
- path += 2;
- len_adjust += 2;
- if (2 == len) {
- /* Return "c:" on Win32 for dirname("c:").
- * It would be more consistent to return "c:."
- * but that would require making the string *longer*.
- */
- return len;
- }
- }
-#elif defined(NETWARE)
- /*
- * Find the first occurrence of : from the left
- * move the path pointer to the position just after :
- * increment the len_adjust to the length of path till colon character(inclusive)
- * If there is no character beyond : simple return len
- */
- char *colonpos = NULL;
- colonpos = strchr(path, ':');
- if (colonpos != NULL) {
- len_adjust = ((colonpos - path) + 1);
- path += len_adjust;
- if (len_adjust == len) {
- return len;
- }
+ if (!ast) {
+ return;
}
-#endif
- if (len == 0) {
- /* Illegal use of this function */
- return 0;
- }
+ switch (ast->kind) {
+ case ZEND_AST_BINARY_OP:
+ zend_eval_const_expr(&ast->child[0] TSRMLS_CC);
+ zend_eval_const_expr(&ast->child[1] TSRMLS_CC);
+ if (ast->child[0]->kind != ZEND_AST_ZVAL || ast->child[1]->kind != ZEND_AST_ZVAL) {
+ return;
+ }
- /* Strip trailing slashes */
- while (end >= path && IS_SLASH_P(end)) {
- end--;
- }
- if (end < path) {
- /* The path only contained slashes */
- path[0] = DEFAULT_SLASH;
- path[1] = '\0';
- return 1 + len_adjust;
- }
+ zend_ct_eval_binary_op(&result, ast->attr,
+ zend_ast_get_zval(ast->child[0]), zend_ast_get_zval(ast->child[1]) TSRMLS_CC);
+ break;
+ case ZEND_AST_GREATER:
+ case ZEND_AST_GREATER_EQUAL:
+ zend_eval_const_expr(&ast->child[0] TSRMLS_CC);
+ zend_eval_const_expr(&ast->child[1] TSRMLS_CC);
+ if (ast->child[0]->kind != ZEND_AST_ZVAL || ast->child[1]->kind != ZEND_AST_ZVAL) {
+ return;
+ }
- /* Strip filename */
- while (end >= path && !IS_SLASH_P(end)) {
- end--;
- }
- if (end < path) {
- /* No slash found, therefore return '.' */
-#ifdef NETWARE
- if (len_adjust == 0) {
- path[0] = '.';
- path[1] = '\0';
- return 1; /* only one character */
- } else {
- path[0] = '\0';
- return len_adjust;
- }
-#else
- path[0] = '.';
- path[1] = '\0';
- return 1 + len_adjust;
-#endif
- }
+ zend_ct_eval_greater(&result, ast->kind,
+ zend_ast_get_zval(ast->child[0]), zend_ast_get_zval(ast->child[1]) TSRMLS_CC);
+ break;
+ case ZEND_AST_UNARY_PLUS:
+ case ZEND_AST_UNARY_MINUS:
+ zend_eval_const_expr(&ast->child[0] TSRMLS_CC);
+ if (ast->child[0]->kind != ZEND_AST_ZVAL) {
+ return;
+ }
- /* Strip slashes which came before the file name */
- while (end >= path && IS_SLASH_P(end)) {
- end--;
- }
- if (end < path) {
- path[0] = DEFAULT_SLASH;
- path[1] = '\0';
- return 1 + len_adjust;
+ zend_ct_eval_unary_pm(&result, ast->kind,
+ zend_ast_get_zval(ast->child[0]) TSRMLS_CC);
+ break;
+ case ZEND_AST_ARRAY:
+ if (!zend_try_ct_eval_array(&result, ast TSRMLS_CC)) {
+ return;
+ }
+ break;
+ case ZEND_AST_MAGIC_CONST:
+ if (!zend_try_ct_eval_magic_const(&result, ast TSRMLS_CC)) {
+ return;
+ }
+ break;
+ case ZEND_AST_CONST:
+ {
+ zend_ast *name_ast = ast->child[0];
+ zend_bool is_fully_qualified;
+ zend_string *resolved_name = zend_resolve_const_name(
+ zend_ast_get_str(name_ast), name_ast->attr, &is_fully_qualified TSRMLS_CC);
+
+ if (!zend_try_ct_eval_const(&result, resolved_name, is_fully_qualified TSRMLS_CC)) {
+ zend_string_release(resolved_name);
+ return;
+ }
+
+ zend_string_release(resolved_name);
+ break;
+ }
+ default:
+ return;
}
- *(end+1) = '\0';
- return (size_t)(end + 1 - path) + len_adjust;
+ zend_ast_destroy(ast);
+ *ast_ptr = zend_ast_create_zval(&result);
}
/* }}} */