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Diffstat (limited to 'Zend/zend_compile.h')
| -rw-r--r-- | Zend/zend_compile.h | 864 |
1 files changed, 864 insertions, 0 deletions
diff --git a/Zend/zend_compile.h b/Zend/zend_compile.h new file mode 100644 index 0000000..50ee3a4 --- /dev/null +++ b/Zend/zend_compile.h @@ -0,0 +1,864 @@ +/* + +----------------------------------------------------------------------+ + | Zend Engine | + +----------------------------------------------------------------------+ + | Copyright (c) 1998-2013 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 | + | available through the world-wide-web at the following url: | + | http://www.zend.com/license/2_00.txt. | + | If you did not receive a copy of the Zend license and are unable to | + | obtain it through the world-wide-web, please send a note to | + | license@zend.com so we can mail you a copy immediately. | + +----------------------------------------------------------------------+ + | Authors: Andi Gutmans <andi@zend.com> | + | Zeev Suraski <zeev@zend.com> | + +----------------------------------------------------------------------+ +*/ + +/* $Id$ */ + +#ifndef ZEND_COMPILE_H +#define ZEND_COMPILE_H + +#include "zend.h" + +#ifdef HAVE_STDARG_H +# include <stdarg.h> +#endif + +#include "zend_llist.h" + +#define DEBUG_ZEND 0 + +#define FREE_PNODE(znode) zval_dtor(&znode->u.constant); + +#define SET_UNUSED(op) op ## _type = IS_UNUSED + +#define INC_BPC(op_array) if (op_array->fn_flags & ZEND_ACC_INTERACTIVE) { (CG(context).backpatch_count++); } +#define DEC_BPC(op_array) if (op_array->fn_flags & ZEND_ACC_INTERACTIVE) { (CG(context).backpatch_count--); } +#define HANDLE_INTERACTIVE() if (CG(active_op_array)->fn_flags & ZEND_ACC_INTERACTIVE) { execute_new_code(TSRMLS_C); } +#define DO_TICKS() if (Z_LVAL(CG(declarables).ticks)) { zend_do_ticks(TSRMLS_C); } + +#define RESET_DOC_COMMENT() \ + { \ + if (CG(doc_comment)) { \ + efree(CG(doc_comment)); \ + CG(doc_comment) = NULL; \ + } \ + CG(doc_comment_len) = 0; \ + } + +typedef struct _zend_op_array zend_op_array; +typedef struct _zend_op zend_op; + +typedef struct _zend_compiler_context { + zend_uint opcodes_size; + int vars_size; + int literals_size; + int current_brk_cont; + int backpatch_count; + HashTable *labels; +} zend_compiler_context; + +typedef struct _zend_literal { + zval constant; + zend_ulong hash_value; + zend_uint cache_slot; +} zend_literal; + +#define Z_HASH_P(zv) \ + (((zend_literal*)(zv))->hash_value) + +typedef union _znode_op { + zend_uint constant; + zend_uint var; + zend_uint num; + zend_ulong hash; + zend_uint opline_num; /* Needs to be signed */ + zend_op *jmp_addr; + zval *zv; + zend_literal *literal; + void *ptr; /* Used for passing pointers from the compile to execution phase, currently used for traits */ +} znode_op; + +typedef struct _znode { /* used only during compilation */ + int op_type; + union { + znode_op op; + zval constant; /* replaced by literal/zv */ + zend_op_array *op_array; + } u; + zend_uint EA; /* extended attributes */ +} znode; + +typedef struct _zend_execute_data zend_execute_data; + +#define ZEND_OPCODE_HANDLER_ARGS zend_execute_data *execute_data TSRMLS_DC +#define ZEND_OPCODE_HANDLER_ARGS_PASSTHRU execute_data TSRMLS_CC + +typedef int (*user_opcode_handler_t) (ZEND_OPCODE_HANDLER_ARGS); +typedef int (ZEND_FASTCALL *opcode_handler_t) (ZEND_OPCODE_HANDLER_ARGS); + +extern ZEND_API opcode_handler_t *zend_opcode_handlers; + +struct _zend_op { + opcode_handler_t handler; + znode_op op1; + znode_op op2; + znode_op result; + ulong extended_value; + uint lineno; + zend_uchar opcode; + zend_uchar op1_type; + zend_uchar op2_type; + zend_uchar result_type; +}; + + +typedef struct _zend_brk_cont_element { + int start; + int cont; + int brk; + int parent; +} zend_brk_cont_element; + +typedef struct _zend_label { + int brk_cont; + zend_uint opline_num; +} zend_label; + +typedef struct _zend_try_catch_element { + zend_uint try_op; + zend_uint catch_op; /* ketchup! */ +} zend_try_catch_element; + +#if SIZEOF_LONG == 8 +#define THIS_HASHVAL 210728972157UL +#else +#define THIS_HASHVAL 275574653UL +#endif + +/* method flags (types) */ +#define ZEND_ACC_STATIC 0x01 +#define ZEND_ACC_ABSTRACT 0x02 +#define ZEND_ACC_FINAL 0x04 +#define ZEND_ACC_IMPLEMENTED_ABSTRACT 0x08 + +/* class flags (types) */ +/* ZEND_ACC_IMPLICIT_ABSTRACT_CLASS is used for abstract classes (since it is set by any abstract method even interfaces MAY have it set, too). */ +/* ZEND_ACC_EXPLICIT_ABSTRACT_CLASS denotes that a class was explicitly defined as abstract by using the keyword. */ +#define ZEND_ACC_IMPLICIT_ABSTRACT_CLASS 0x10 +#define ZEND_ACC_EXPLICIT_ABSTRACT_CLASS 0x20 +#define ZEND_ACC_FINAL_CLASS 0x40 +#define ZEND_ACC_INTERFACE 0x80 +#define ZEND_ACC_TRAIT 0x120 + +/* op_array flags */ +#define ZEND_ACC_INTERACTIVE 0x10 + +/* method flags (visibility) */ +/* The order of those must be kept - public < protected < private */ +#define ZEND_ACC_PUBLIC 0x100 +#define ZEND_ACC_PROTECTED 0x200 +#define ZEND_ACC_PRIVATE 0x400 +#define ZEND_ACC_PPP_MASK (ZEND_ACC_PUBLIC | ZEND_ACC_PROTECTED | ZEND_ACC_PRIVATE) + +#define ZEND_ACC_CHANGED 0x800 +#define ZEND_ACC_IMPLICIT_PUBLIC 0x1000 + +/* method flags (special method detection) */ +#define ZEND_ACC_CTOR 0x2000 +#define ZEND_ACC_DTOR 0x4000 +#define ZEND_ACC_CLONE 0x8000 + +/* method flag (bc only), any method that has this flag can be used statically and non statically. */ +#define ZEND_ACC_ALLOW_STATIC 0x10000 + +/* shadow of parent's private method/property */ +#define ZEND_ACC_SHADOW 0x20000 + +/* deprecation flag */ +#define ZEND_ACC_DEPRECATED 0x40000 + +/* class implement interface(s) flag */ +#define ZEND_ACC_IMPLEMENT_INTERFACES 0x80000 +#define ZEND_ACC_IMPLEMENT_TRAITS 0x400000 + +/* class constants updated */ +#define ZEND_ACC_CONSTANTS_UPDATED 0x100000 + +/* user class has methods with static variables */ +#define ZEND_HAS_STATIC_IN_METHODS 0x800000 + + +#define ZEND_ACC_CLOSURE 0x100000 + +/* function flag for internal user call handlers __call, __callstatic */ +#define ZEND_ACC_CALL_VIA_HANDLER 0x200000 + +/* disable inline caching */ +#define ZEND_ACC_NEVER_CACHE 0x400000 + +#define ZEND_ACC_PASS_REST_BY_REFERENCE 0x1000000 +#define ZEND_ACC_PASS_REST_PREFER_REF 0x2000000 + +#define ZEND_ACC_RETURN_REFERENCE 0x4000000 +#define ZEND_ACC_DONE_PASS_TWO 0x8000000 + +char *zend_visibility_string(zend_uint fn_flags); + + +typedef struct _zend_property_info { + zend_uint flags; + const char *name; + int name_length; + ulong h; + int offset; + const char *doc_comment; + int doc_comment_len; + zend_class_entry *ce; +} zend_property_info; + + +typedef struct _zend_arg_info { + const char *name; + zend_uint name_len; + const char *class_name; + zend_uint class_name_len; + zend_uchar type_hint; + zend_bool allow_null; + zend_bool pass_by_reference; +} zend_arg_info; + +/* the following structure repeats the layout of zend_arg_info, + * but its fields have different meaning. It's used as the first element of + * arg_info array to define properties of internal functions. + */ +typedef struct _zend_internal_function_info { + const char *_name; + zend_uint _name_len; + const char *_class_name; + zend_uint required_num_args; + zend_uchar _type_hint; + zend_bool return_reference; + zend_bool pass_rest_by_reference; +} zend_internal_function_info; + +typedef struct _zend_compiled_variable { + const char *name; + int name_len; + ulong hash_value; +} zend_compiled_variable; + +struct _zend_op_array { + /* Common elements */ + zend_uchar type; + const char *function_name; + zend_class_entry *scope; + zend_uint fn_flags; + union _zend_function *prototype; + zend_uint num_args; + zend_uint required_num_args; + zend_arg_info *arg_info; + /* END of common elements */ + + zend_uint *refcount; + + zend_op *opcodes; + zend_uint last; + + zend_compiled_variable *vars; + int last_var; + + zend_uint T; + + zend_brk_cont_element *brk_cont_array; + int last_brk_cont; + + zend_try_catch_element *try_catch_array; + int last_try_catch; + + /* static variables support */ + HashTable *static_variables; + + zend_uint this_var; + + const char *filename; + zend_uint line_start; + zend_uint line_end; + const char *doc_comment; + zend_uint doc_comment_len; + zend_uint early_binding; /* the linked list of delayed declarations */ + + zend_literal *literals; + int last_literal; + + void **run_time_cache; + int last_cache_slot; + + void *reserved[ZEND_MAX_RESERVED_RESOURCES]; +}; + + +#define ZEND_RETURN_VALUE 0 +#define ZEND_RETURN_REFERENCE 1 + +typedef struct _zend_internal_function { + /* Common elements */ + zend_uchar type; + const char * function_name; + zend_class_entry *scope; + zend_uint fn_flags; + union _zend_function *prototype; + zend_uint num_args; + zend_uint required_num_args; + zend_arg_info *arg_info; + /* END of common elements */ + + void (*handler)(INTERNAL_FUNCTION_PARAMETERS); + struct _zend_module_entry *module; +} zend_internal_function; + +#define ZEND_FN_SCOPE_NAME(function) ((function) && (function)->common.scope ? (function)->common.scope->name : "") + +typedef union _zend_function { + zend_uchar type; /* MUST be the first element of this struct! */ + + struct { + zend_uchar type; /* never used */ + const char *function_name; + zend_class_entry *scope; + zend_uint fn_flags; + union _zend_function *prototype; + zend_uint num_args; + zend_uint required_num_args; + zend_arg_info *arg_info; + } common; + + zend_op_array op_array; + zend_internal_function internal_function; +} zend_function; + + +typedef struct _zend_function_state { + zend_function *function; + void **arguments; +} zend_function_state; + + +typedef struct _zend_switch_entry { + znode cond; + int default_case; + int control_var; +} zend_switch_entry; + + +typedef struct _list_llist_element { + znode var; + zend_llist dimensions; + znode value; +} list_llist_element; + +union _temp_variable; + +struct _zend_execute_data { + struct _zend_op *opline; + zend_function_state function_state; + zend_function *fbc; /* Function Being Called */ + zend_class_entry *called_scope; + zend_op_array *op_array; + zval *object; + union _temp_variable *Ts; + zval ***CVs; + HashTable *symbol_table; + struct _zend_execute_data *prev_execute_data; + zval *old_error_reporting; + zend_bool nested; + zval **original_return_value; + zend_class_entry *current_scope; + zend_class_entry *current_called_scope; + zval *current_this; + zval *current_object; +}; + +#define EX(element) execute_data.element + + +#define IS_CONST (1<<0) +#define IS_TMP_VAR (1<<1) +#define IS_VAR (1<<2) +#define IS_UNUSED (1<<3) /* Unused variable */ +#define IS_CV (1<<4) /* Compiled variable */ + +#define EXT_TYPE_UNUSED (1<<5) + +#include "zend_globals.h" + +BEGIN_EXTERN_C() + +void init_compiler(TSRMLS_D); +void shutdown_compiler(TSRMLS_D); +void zend_init_compiler_data_structures(TSRMLS_D); +void zend_init_compiler_context(TSRMLS_D); + +extern ZEND_API zend_op_array *(*zend_compile_file)(zend_file_handle *file_handle, int type TSRMLS_DC); +extern ZEND_API zend_op_array *(*zend_compile_string)(zval *source_string, char *filename TSRMLS_DC); + +ZEND_API int lex_scan(zval *zendlval TSRMLS_DC); +void startup_scanner(TSRMLS_D); +void shutdown_scanner(TSRMLS_D); + +ZEND_API char *zend_set_compiled_filename(const char *new_compiled_filename TSRMLS_DC); +ZEND_API void zend_restore_compiled_filename(char *original_compiled_filename TSRMLS_DC); +ZEND_API char *zend_get_compiled_filename(TSRMLS_D); +ZEND_API int zend_get_compiled_lineno(TSRMLS_D); +ZEND_API size_t zend_get_scanned_file_offset(TSRMLS_D); + +void zend_resolve_non_class_name(znode *element_name, zend_bool check_namespace TSRMLS_DC); +void zend_resolve_class_name(znode *class_name, ulong fetch_type, int check_ns_name TSRMLS_DC); +ZEND_API const char* zend_get_compiled_variable_name(const zend_op_array *op_array, zend_uint var, int* name_len); + +#ifdef ZTS +const char *zend_get_zendtext(TSRMLS_D); +int zend_get_zendleng(TSRMLS_D); +#endif + + +/* parser-driven code generators */ +void zend_do_binary_op(zend_uchar op, znode *result, const znode *op1, const znode *op2 TSRMLS_DC); +void zend_do_unary_op(zend_uchar op, znode *result, const znode *op1 TSRMLS_DC); +void zend_do_binary_assign_op(zend_uchar op, znode *result, const znode *op1, const znode *op2 TSRMLS_DC); +void zend_do_assign(znode *result, znode *variable, znode *value TSRMLS_DC); +void zend_do_assign_ref(znode *result, const znode *lvar, const znode *rvar TSRMLS_DC); +void fetch_simple_variable(znode *result, znode *varname, int bp TSRMLS_DC); +void fetch_simple_variable_ex(znode *result, znode *varname, int bp, zend_uchar op TSRMLS_DC); +void zend_do_indirect_references(znode *result, const znode *num_references, znode *variable TSRMLS_DC); +void zend_do_fetch_static_variable(znode *varname, const znode *static_assignment, int fetch_type TSRMLS_DC); +void zend_do_fetch_global_variable(znode *varname, const znode *static_assignment, int fetch_type TSRMLS_DC); + +void fetch_array_begin(znode *result, znode *varname, znode *first_dim TSRMLS_DC); +void fetch_array_dim(znode *result, const znode *parent, const znode *dim TSRMLS_DC); +void fetch_string_offset(znode *result, const znode *parent, const znode *offset TSRMLS_DC); +void zend_do_fetch_static_member(znode *result, znode *class_znode TSRMLS_DC); +void zend_do_print(znode *result, const znode *arg TSRMLS_DC); +void zend_do_echo(const znode *arg TSRMLS_DC); +typedef int (*unary_op_type)(zval *, zval * TSRMLS_DC); +typedef int (*binary_op_type)(zval *, zval *, zval * TSRMLS_DC); +ZEND_API unary_op_type get_unary_op(int opcode); +ZEND_API binary_op_type get_binary_op(int opcode); + +void zend_do_while_cond(const znode *expr, znode *close_bracket_token TSRMLS_DC); +void zend_do_while_end(const znode *while_token, const znode *close_bracket_token TSRMLS_DC); +void zend_do_do_while_begin(TSRMLS_D); +void zend_do_do_while_end(const znode *do_token, const znode *expr_open_bracket, const znode *expr TSRMLS_DC); + + +void zend_do_if_cond(const znode *cond, znode *closing_bracket_token TSRMLS_DC); +void zend_do_if_after_statement(const znode *closing_bracket_token, unsigned char initialize TSRMLS_DC); +void zend_do_if_end(TSRMLS_D); + +void zend_do_for_cond(const znode *expr, znode *second_semicolon_token TSRMLS_DC); +void zend_do_for_before_statement(const znode *cond_start, const znode *second_semicolon_token TSRMLS_DC); +void zend_do_for_end(const znode *second_semicolon_token TSRMLS_DC); + +void zend_do_pre_incdec(znode *result, const znode *op1, zend_uchar op TSRMLS_DC); +void zend_do_post_incdec(znode *result, const znode *op1, zend_uchar op TSRMLS_DC); + +void zend_do_begin_variable_parse(TSRMLS_D); +void zend_do_end_variable_parse(znode *variable, int type, int arg_offset TSRMLS_DC); + +void zend_check_writable_variable(const znode *variable); + +void zend_do_free(znode *op1 TSRMLS_DC); + +void zend_do_add_string(znode *result, const znode *op1, znode *op2 TSRMLS_DC); +void zend_do_add_variable(znode *result, const znode *op1, const znode *op2 TSRMLS_DC); + +int zend_do_verify_access_types(const znode *current_access_type, const znode *new_modifier); +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_do_end_function_declaration(const znode *function_token TSRMLS_DC); +void zend_do_receive_arg(zend_uchar op, znode *varname, const znode *offset, const znode *initialization, znode *class_type, zend_bool pass_by_reference TSRMLS_DC); +int zend_do_begin_function_call(znode *function_name, zend_bool check_namespace TSRMLS_DC); +void zend_do_begin_method_call(znode *left_bracket TSRMLS_DC); +void zend_do_clone(znode *result, const znode *expr TSRMLS_DC); +void zend_do_begin_dynamic_function_call(znode *function_name, int prefix_len TSRMLS_DC); +void zend_do_fetch_class(znode *result, znode *class_name TSRMLS_DC); +void zend_do_build_full_name(znode *result, znode *prefix, znode *name, int is_class_member TSRMLS_DC); +int zend_do_begin_class_member_function_call(znode *class_name, znode *method_name TSRMLS_DC); +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_do_return(znode *expr, int do_end_vparse TSRMLS_DC); +void zend_do_handle_exception(TSRMLS_D); + +void zend_do_begin_lambda_function_declaration(znode *result, znode *function_token, int return_reference, int is_static TSRMLS_DC); +void zend_do_fetch_lexical_variable(znode *varname, zend_bool is_ref TSRMLS_DC); + +void zend_do_try(znode *try_token TSRMLS_DC); +void zend_do_begin_catch(znode *try_token, znode *catch_class, znode *catch_var, znode *first_catch TSRMLS_DC); +void zend_do_end_catch(const znode *try_token TSRMLS_DC); +void zend_do_throw(const znode *expr TSRMLS_DC); + +ZEND_API int do_bind_function(const zend_op_array *op_array, zend_op *opline, HashTable *function_table, zend_bool compile_time); +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_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); +ZEND_API void zend_do_inherit_interfaces(zend_class_entry *ce, const zend_class_entry *iface TSRMLS_DC); +ZEND_API void zend_do_implement_interface(zend_class_entry *ce, zend_class_entry *iface TSRMLS_DC); +void zend_do_implements_interface(znode *interface_znode TSRMLS_DC); + +/* Trait related functions */ +void zend_do_use_trait(znode *trait_znode TSRMLS_DC); +void zend_prepare_reference(znode *result, znode *class_name, znode *method_name TSRMLS_DC); +void zend_add_trait_precedence(znode *method_reference, znode *trait_list TSRMLS_DC); +void zend_add_trait_alias(znode *method_reference, znode *modifiers, znode *alias TSRMLS_DC); + +ZEND_API void zend_do_implement_trait(zend_class_entry *ce, zend_class_entry *trait TSRMLS_DC); +ZEND_API void zend_do_bind_traits(zend_class_entry *ce TSRMLS_DC); + +ZEND_API void zend_do_inheritance(zend_class_entry *ce, zend_class_entry *parent_ce TSRMLS_DC); +void zend_do_early_binding(TSRMLS_D); +ZEND_API void zend_do_delayed_early_binding(const zend_op_array *op_array TSRMLS_DC); + +void zend_do_pass_param(znode *param, zend_uchar op, int offset TSRMLS_DC); + + +void zend_do_boolean_or_begin(znode *expr1, znode *op_token TSRMLS_DC); +void zend_do_boolean_or_end(znode *result, const znode *expr1, const znode *expr2, znode *op_token TSRMLS_DC); +void zend_do_boolean_and_begin(znode *expr1, znode *op_token TSRMLS_DC); +void zend_do_boolean_and_end(znode *result, const znode *expr1, const znode *expr2, const znode *op_token TSRMLS_DC); + +void zend_do_brk_cont(zend_uchar op, const znode *expr TSRMLS_DC); + +void zend_do_switch_cond(const znode *cond TSRMLS_DC); +void zend_do_switch_end(const znode *case_list TSRMLS_DC); +void zend_do_case_before_statement(const znode *case_list, znode *case_token, const znode *case_expr TSRMLS_DC); +void zend_do_case_after_statement(znode *result, const znode *case_token TSRMLS_DC); +void zend_do_default_before_statement(const znode *case_list, znode *default_token TSRMLS_DC); + +void zend_do_begin_class_declaration(const znode *class_token, znode *class_name, const znode *parent_class_name TSRMLS_DC); +void zend_do_end_class_declaration(const znode *class_token, const znode *parent_token TSRMLS_DC); +void zend_do_declare_property(const znode *var_name, const znode *value, zend_uint access_type TSRMLS_DC); +void zend_do_declare_class_constant(znode *var_name, const znode *value TSRMLS_DC); + +void zend_do_fetch_property(znode *result, znode *object, const znode *property TSRMLS_DC); + +void zend_do_halt_compiler_register(TSRMLS_D); + +void zend_do_push_object(const znode *object TSRMLS_DC); +void zend_do_pop_object(znode *object TSRMLS_DC); + + +void zend_do_begin_new_object(znode *new_token, znode *class_type TSRMLS_DC); +void zend_do_end_new_object(znode *result, const znode *new_token, const znode *argument_list TSRMLS_DC); + +void zend_do_fetch_constant(znode *result, znode *constant_container, znode *constant_name, int mode, zend_bool check_namespace TSRMLS_DC); + +void zend_do_shell_exec(znode *result, const znode *cmd TSRMLS_DC); + +void zend_do_init_array(znode *result, const znode *expr, const znode *offset, zend_bool is_ref TSRMLS_DC); +void zend_do_add_array_element(znode *result, const znode *expr, const znode *offset, zend_bool is_ref TSRMLS_DC); +void zend_do_add_static_array_element(znode *result, znode *offset, const znode *expr); +void zend_do_list_init(TSRMLS_D); +void zend_do_list_end(znode *result, znode *expr TSRMLS_DC); +void zend_do_add_list_element(const znode *element TSRMLS_DC); +void zend_do_new_list_begin(TSRMLS_D); +void zend_do_new_list_end(TSRMLS_D); + +/* Functions for a null terminated pointer list, used for traits parsing and compilation */ +void zend_init_list(void *result, void *item TSRMLS_DC); +void zend_add_to_list(void *result, void *item TSRMLS_DC); + + +void zend_do_cast(znode *result, const znode *expr, int type TSRMLS_DC); +void zend_do_include_or_eval(int type, znode *result, const znode *op1 TSRMLS_DC); + +void zend_do_unset(const znode *variable TSRMLS_DC); +void zend_do_isset_or_isempty(int type, znode *result, znode *variable TSRMLS_DC); + +void zend_do_instanceof(znode *result, const znode *expr, const znode *class_znode, int type TSRMLS_DC); + +void zend_do_foreach_begin(znode *foreach_token, znode *open_brackets_token, znode *array, znode *as_token, int variable TSRMLS_DC); +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_do_foreach_end(const znode *foreach_token, const znode *as_token TSRMLS_DC); + +void zend_do_declare_begin(TSRMLS_D); +void zend_do_declare_stmt(znode *var, znode *val TSRMLS_DC); +void zend_do_declare_end(const znode *declare_token TSRMLS_DC); + +void zend_do_exit(znode *result, const znode *message TSRMLS_DC); + +void zend_do_begin_silence(znode *strudel_token TSRMLS_DC); +void zend_do_end_silence(const znode *strudel_token TSRMLS_DC); + +void zend_do_jmp_set(const znode *value, znode *jmp_token, znode *colon_token TSRMLS_DC); +void zend_do_jmp_set_else(znode *result, const znode *false_value, const znode *jmp_token, const znode *colon_token TSRMLS_DC); + +void zend_do_begin_qm_op(const znode *cond, znode *qm_token TSRMLS_DC); +void zend_do_qm_true(const znode *true_value, znode *qm_token, znode *colon_token TSRMLS_DC); +void zend_do_qm_false(znode *result, const znode *false_value, const znode *qm_token, const znode *colon_token TSRMLS_DC); + +void zend_do_extended_info(TSRMLS_D); +void zend_do_extended_fcall_begin(TSRMLS_D); +void zend_do_extended_fcall_end(TSRMLS_D); + +void zend_do_ticks(TSRMLS_D); + +void zend_do_abstract_method(const znode *function_name, znode *modifiers, const znode *body TSRMLS_DC); + +void zend_do_declare_constant(znode *name, znode *value TSRMLS_DC); +void zend_do_build_namespace_name(znode *result, znode *prefix, znode *name TSRMLS_DC); +void zend_do_begin_namespace(const znode *name, zend_bool with_brackets TSRMLS_DC); +void zend_do_end_namespace(TSRMLS_D); +void zend_verify_namespace(TSRMLS_D); +void zend_do_use(znode *name, znode *new_name, int is_global TSRMLS_DC); +void zend_do_end_compilation(TSRMLS_D); + +void zend_do_label(znode *label TSRMLS_DC); +void zend_do_goto(const znode *label TSRMLS_DC); +void zend_resolve_goto_label(zend_op_array *op_array, zend_op *opline, int pass2 TSRMLS_DC); +void zend_release_labels(TSRMLS_D); + +ZEND_API void function_add_ref(zend_function *function); + +#define INITIAL_OP_ARRAY_SIZE 64 +#define INITIAL_INTERACTIVE_OP_ARRAY_SIZE 8192 + + +/* helper functions in zend_language_scanner.l */ +ZEND_API zend_op_array *compile_file(zend_file_handle *file_handle, int type TSRMLS_DC); +ZEND_API zend_op_array *compile_string(zval *source_string, char *filename TSRMLS_DC); +ZEND_API zend_op_array *compile_filename(int type, zval *filename TSRMLS_DC); +ZEND_API int zend_execute_scripts(int type TSRMLS_DC, zval **retval, int file_count, ...); +ZEND_API int open_file_for_scanning(zend_file_handle *file_handle TSRMLS_DC); +ZEND_API void init_op_array(zend_op_array *op_array, zend_uchar type, int initial_ops_size TSRMLS_DC); +ZEND_API void destroy_op_array(zend_op_array *op_array TSRMLS_DC); +ZEND_API void zend_destroy_file_handle(zend_file_handle *file_handle TSRMLS_DC); +ZEND_API int zend_cleanup_class_data(zend_class_entry **pce TSRMLS_DC); +ZEND_API int zend_cleanup_user_class_data(zend_class_entry **pce TSRMLS_DC); +ZEND_API void zend_cleanup_internal_class_data(zend_class_entry *ce TSRMLS_DC); +ZEND_API void zend_cleanup_internal_classes(TSRMLS_D); +ZEND_API int zend_cleanup_function_data(zend_function *function TSRMLS_DC); +ZEND_API int zend_cleanup_function_data_full(zend_function *function TSRMLS_DC); + +ZEND_API void destroy_zend_function(zend_function *function TSRMLS_DC); +ZEND_API void zend_function_dtor(zend_function *function); +ZEND_API void destroy_zend_class(zend_class_entry **pce); +void zend_class_add_ref(zend_class_entry **ce); + +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); +ZEND_API int zend_unmangle_property_name(const char *mangled_property, int mangled_property_len, const char **class_name, const char **prop_name); + +#define ZEND_FUNCTION_DTOR (void (*)(void *)) zend_function_dtor +#define ZEND_CLASS_DTOR (void (*)(void *)) destroy_zend_class + +zend_op *get_next_op(zend_op_array *op_array TSRMLS_DC); +void init_op(zend_op *op TSRMLS_DC); +int get_next_op_number(zend_op_array *op_array); +int print_class(zend_class_entry *class_entry TSRMLS_DC); +void print_op_array(zend_op_array *op_array, int optimizations); +ZEND_API int pass_two(zend_op_array *op_array TSRMLS_DC); +zend_brk_cont_element *get_next_brk_cont_element(zend_op_array *op_array); +void zend_do_first_catch(znode *open_parentheses TSRMLS_DC); +void zend_initialize_try_catch_element(const znode *try_token TSRMLS_DC); +void zend_do_mark_last_catch(const znode *first_catch, const znode *last_additional_catch TSRMLS_DC); +ZEND_API zend_bool zend_is_compiling(TSRMLS_D); +ZEND_API char *zend_make_compiled_string_description(const char *name TSRMLS_DC); +ZEND_API void zend_initialize_class_data(zend_class_entry *ce, zend_bool nullify_handlers TSRMLS_DC); +int zend_get_class_fetch_type(const char *class_name, uint class_name_len); + +typedef zend_bool (*zend_auto_global_callback)(const char *name, uint name_len TSRMLS_DC); +typedef struct _zend_auto_global { + const char *name; + uint name_len; + zend_auto_global_callback auto_global_callback; + zend_bool jit; + zend_bool armed; +} zend_auto_global; + +ZEND_API int zend_register_auto_global(const char *name, uint name_len, zend_bool jit, zend_auto_global_callback auto_global_callback TSRMLS_DC); +ZEND_API void zend_activate_auto_globals(TSRMLS_D); +ZEND_API zend_bool zend_is_auto_global(const char *name, uint name_len TSRMLS_DC); +ZEND_API zend_bool zend_is_auto_global_quick(const char *name, uint name_len, ulong hashval TSRMLS_DC); +ZEND_API size_t zend_dirname(char *path, size_t len); + +int zendlex(znode *zendlval TSRMLS_DC); + +int zend_add_literal(zend_op_array *op_array, const zval *zv TSRMLS_DC); + +/* BEGIN: OPCODES */ + +#include "zend_vm_opcodes.h" + +#define ZEND_OP_DATA 137 + +/* END: OPCODES */ + +/* class fetches */ +#define ZEND_FETCH_CLASS_DEFAULT 0 +#define ZEND_FETCH_CLASS_SELF 1 +#define ZEND_FETCH_CLASS_PARENT 2 +#define ZEND_FETCH_CLASS_MAIN 3 +#define ZEND_FETCH_CLASS_GLOBAL 4 +#define ZEND_FETCH_CLASS_AUTO 5 +#define ZEND_FETCH_CLASS_INTERFACE 6 +#define ZEND_FETCH_CLASS_STATIC 7 +#define ZEND_FETCH_CLASS_TRAIT 14 +#define ZEND_FETCH_CLASS_MASK 0x0f +#define ZEND_FETCH_CLASS_NO_AUTOLOAD 0x80 +#define ZEND_FETCH_CLASS_SILENT 0x0100 + +/* variable parsing type (compile-time) */ +#define ZEND_PARSED_MEMBER (1<<0) +#define ZEND_PARSED_METHOD_CALL (1<<1) +#define ZEND_PARSED_STATIC_MEMBER (1<<2) +#define ZEND_PARSED_FUNCTION_CALL (1<<3) +#define ZEND_PARSED_VARIABLE (1<<4) +#define ZEND_PARSED_REFERENCE_VARIABLE (1<<5) +#define ZEND_PARSED_NEW (1<<6) + + +/* unset types */ +#define ZEND_UNSET_REG 0 + +/* var status for backpatching */ +#define BP_VAR_R 0 +#define BP_VAR_W 1 +#define BP_VAR_RW 2 +#define BP_VAR_IS 3 +#define BP_VAR_NA 4 /* if not applicable */ +#define BP_VAR_FUNC_ARG 5 +#define BP_VAR_UNSET 6 + + +#define ZEND_INTERNAL_FUNCTION 1 +#define ZEND_USER_FUNCTION 2 +#define ZEND_OVERLOADED_FUNCTION 3 +#define ZEND_EVAL_CODE 4 +#define ZEND_OVERLOADED_FUNCTION_TEMPORARY 5 + +#define ZEND_INTERNAL_CLASS 1 +#define ZEND_USER_CLASS 2 + +#define ZEND_EVAL (1<<0) +#define ZEND_INCLUDE (1<<1) +#define ZEND_INCLUDE_ONCE (1<<2) +#define ZEND_REQUIRE (1<<3) +#define ZEND_REQUIRE_ONCE (1<<4) + +#define ZEND_CT (1<<0) +#define ZEND_RT (1<<1) + +/* global/local fetches */ +#define ZEND_FETCH_GLOBAL 0x00000000 +#define ZEND_FETCH_LOCAL 0x10000000 +#define ZEND_FETCH_STATIC 0x20000000 +#define ZEND_FETCH_STATIC_MEMBER 0x30000000 +#define ZEND_FETCH_GLOBAL_LOCK 0x40000000 +#define ZEND_FETCH_LEXICAL 0x50000000 + +#define ZEND_FETCH_TYPE_MASK 0x70000000 + +#define ZEND_FETCH_STANDARD 0x00000000 +#define ZEND_FETCH_ADD_LOCK 0x08000000 +#define ZEND_FETCH_MAKE_REF 0x04000000 + +#define ZEND_ISSET 0x02000000 +#define ZEND_ISEMPTY 0x01000000 +#define ZEND_ISSET_ISEMPTY_MASK (ZEND_ISSET | ZEND_ISEMPTY) +#define ZEND_QUICK_SET 0x00800000 + +#define ZEND_FETCH_ARG_MASK 0x000fffff + +#define ZEND_FE_FETCH_BYREF 1 +#define ZEND_FE_FETCH_WITH_KEY 2 + +#define ZEND_FE_RESET_VARIABLE (1<<0) +#define ZEND_FE_RESET_REFERENCE (1<<1) +#define EXT_TYPE_FREE_ON_RETURN (1<<2) + +#define ZEND_MEMBER_FUNC_CALL 1<<0 + +#define ZEND_ARG_SEND_BY_REF (1<<0) +#define ZEND_ARG_COMPILE_TIME_BOUND (1<<1) +#define ZEND_ARG_SEND_FUNCTION (1<<2) +#define ZEND_ARG_SEND_SILENT (1<<3) + +#define ZEND_SEND_BY_VAL 0 +#define ZEND_SEND_BY_REF 1 +#define ZEND_SEND_PREFER_REF 2 + +#define CHECK_ARG_SEND_TYPE(zf, arg_num, m1, m2) \ + ((zf) && \ + ((((zend_function*)(zf))->common.arg_info && \ + arg_num <= ((zend_function*)(zf))->common.num_args) ? \ + (((zend_function *)(zf))->common.arg_info[arg_num-1].pass_by_reference & (m1)) : \ + (((zend_function *)(zf))->common.fn_flags & (m2)))) + +#define ARG_MUST_BE_SENT_BY_REF(zf, arg_num) \ + CHECK_ARG_SEND_TYPE(zf, arg_num, ZEND_SEND_BY_REF, ZEND_ACC_PASS_REST_BY_REFERENCE) + +#define ARG_SHOULD_BE_SENT_BY_REF(zf, arg_num) \ + CHECK_ARG_SEND_TYPE(zf, arg_num, ZEND_SEND_BY_REF|ZEND_SEND_PREFER_REF, ZEND_ACC_PASS_REST_BY_REFERENCE|ZEND_ACC_PASS_REST_PREFER_REF) + +#define ARG_MAY_BE_SENT_BY_REF(zf, arg_num) \ + CHECK_ARG_SEND_TYPE(zf, arg_num, ZEND_SEND_PREFER_REF, ZEND_ACC_PASS_REST_PREFER_REF) + +#define ZEND_RETURN_VAL 0 +#define ZEND_RETURN_REF 1 + + +#define ZEND_RETURNS_FUNCTION 1<<0 +#define ZEND_RETURNS_NEW 1<<1 + +END_EXTERN_C() + +#define ZEND_CLONE_FUNC_NAME "__clone" +#define ZEND_CONSTRUCTOR_FUNC_NAME "__construct" +#define ZEND_DESTRUCTOR_FUNC_NAME "__destruct" +#define ZEND_GET_FUNC_NAME "__get" +#define ZEND_SET_FUNC_NAME "__set" +#define ZEND_UNSET_FUNC_NAME "__unset" +#define ZEND_ISSET_FUNC_NAME "__isset" +#define ZEND_CALL_FUNC_NAME "__call" +#define ZEND_CALLSTATIC_FUNC_NAME "__callstatic" +#define ZEND_TOSTRING_FUNC_NAME "__tostring" +#define ZEND_AUTOLOAD_FUNC_NAME "__autoload" + +/* The following constants may be combined in CG(compiler_options) + * to change the default compiler behavior */ + +/* generate extended debug information */ +#define ZEND_COMPILE_EXTENDED_INFO (1<<0) + +/* call op_array handler of extendions */ +#define ZEND_COMPILE_HANDLE_OP_ARRAY (1<<1) + +/* generate ZEND_DO_FCALL_BY_NAME for internal functions instead of ZEND_DO_FCALL */ +#define ZEND_COMPILE_IGNORE_INTERNAL_FUNCTIONS (1<<2) + +/* don't perform early binding for classes inherited form internal ones; + * in namespaces assume that internal class that doesn't exist at compile-time + * may apper in run-time */ +#define ZEND_COMPILE_IGNORE_INTERNAL_CLASSES (1<<3) + +/* generate ZEND_DECLARE_INHERITED_CLASS_DELAYED opcode to delay early binding */ +#define ZEND_COMPILE_DELAYED_BINDING (1<<4) + +/* disable constant substitution at compile-time */ +#define ZEND_COMPILE_NO_CONSTANT_SUBSTITUTION (1<<5) + +/* The default value for CG(compiler_options) */ +#define ZEND_COMPILE_DEFAULT ZEND_COMPILE_HANDLE_OP_ARRAY + +/* The default value for CG(compiler_options) during eval() */ +#define ZEND_COMPILE_DEFAULT_FOR_EVAL 0 + +#endif /* ZEND_COMPILE_H */ + +/* + * Local variables: + * tab-width: 4 + * c-basic-offset: 4 + * indent-tabs-mode: t + * End: + */ |