diff options
Diffstat (limited to 'Zend/zend_compile.c')
| -rw-r--r-- | Zend/zend_compile.c | 3031 |
1 files changed, 0 insertions, 3031 deletions
diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c deleted file mode 100644 index 49a388e5c0..0000000000 --- a/Zend/zend_compile.c +++ /dev/null @@ -1,3031 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | Zend Engine | - +----------------------------------------------------------------------+ - | Copyright (c) 1998-2002 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 at through the world-wide-web at | - | 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> | - +----------------------------------------------------------------------+ -*/ - - -#include "zend_language_parser.h" -#include "zend.h" -#include "zend_compile.h" -#include "zend_llist.h" -#include "zend_API.h" -#include "zend_fast_cache.h" - - -ZEND_API zend_op_array *(*zend_compile_file)(zend_file_handle *file_handle, int type TSRMLS_DC); - - -#ifndef ZTS -ZEND_API zend_compiler_globals compiler_globals; -ZEND_API zend_executor_globals executor_globals; -#endif - - -static void build_runtime_defined_function_key(zval *result, zval *name, zend_op *opline TSRMLS_DC) -{ - char lineno_buf[32]; - uint lineno_len; - char *filename; - - lineno_len = zend_sprintf(lineno_buf, "%d", opline->lineno); - if (CG(active_op_array)->filename) { - filename = CG(active_op_array)->filename; - } else { - filename = "-"; - } - - /* NULL, name length, filename length, line number length */ - result->value.str.len = 1+name->value.str.len+strlen(filename)+lineno_len; - result->value.str.val = (char *) emalloc(result->value.str.len+1); - sprintf(result->value.str.val, "%c%s%s%s", '\0', name->value.str.val, filename, lineno_buf); - result->type = IS_STRING; - result->refcount = 1; -} - - -static void init_compiler_declarables(TSRMLS_D) -{ - CG(declarables).ticks.type = IS_LONG; - CG(declarables).ticks.value.lval = 0; -} - - - -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)); - CG(active_class_entry) = NULL; - CG(active_ce_parent_class_name).value.str.val = 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(handle_op_arrays) = 1; - CG(in_compilation) = 0; - init_compiler_declarables(TSRMLS_C); - CG(throw_list) = NULL; - zend_register_auto_global("GLOBALS", sizeof("GLOBALS")-1 TSRMLS_CC); -} - - -void init_compiler(TSRMLS_D) -{ - 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_llist_init(&CG(open_files), sizeof(zend_file_handle), (void (*)(void *)) zend_file_handle_dtor, 0); - CG(unclean_shutdown) = 0; -} - - -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_hash_destroy(&CG(filenames_table)); - zend_llist_destroy(&CG(open_files)); -} - - -ZEND_API char *zend_set_compiled_filename(char *new_compiled_filename TSRMLS_DC) -{ - char **pp, *p; - int length = strlen(new_compiled_filename); - - if (zend_hash_find(&CG(filenames_table), new_compiled_filename, length+1, (void **) &pp)==SUCCESS) { - CG(compiled_filename) = *pp; - return *pp; - } - p = estrndup(new_compiled_filename, length); - zend_hash_update(&CG(filenames_table), new_compiled_filename, length+1, &p, sizeof(char *), (void **) &pp); - CG(compiled_filename) = p; - return p; -} - - -ZEND_API void zend_restore_compiled_filename(char *original_compiled_filename TSRMLS_DC) -{ - CG(compiled_filename) = original_compiled_filename; -} - - -ZEND_API char *zend_get_compiled_filename(TSRMLS_D) -{ - return CG(compiled_filename); -} - - -ZEND_API int zend_get_compiled_lineno(TSRMLS_D) -{ - return CG(zend_lineno); -} - - -ZEND_API zend_bool zend_is_compiling(TSRMLS_D) -{ - return CG(in_compilation); -} - - -static zend_uint get_temporary_variable(zend_op_array *op_array) -{ - return (op_array->T)++; -} - - -void zend_do_binary_op(zend_uchar op, znode *result, znode *op1, znode *op2 TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = op; - opline->result.op_type = IS_TMP_VAR; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - opline->op1 = *op1; - opline->op2 = *op2; - *result = opline->result; -} - - -void zend_do_unary_op(zend_uchar op, znode *result, znode *op1 TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = op; - opline->result.op_type = IS_TMP_VAR; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - opline->op1 = *op1; - *result = opline->result; - SET_UNUSED(opline->op2); -} - -#define MAKE_NOP(opline) { opline->opcode = ZEND_NOP; memset(&opline->result,0,sizeof(znode)); memset(&opline->op1,0,sizeof(znode)); memset(&opline->op2,0,sizeof(znode)); opline->result.op_type=opline->op1.op_type=opline->op2.op_type=IS_UNUSED; } - -static void zend_replace_object_fetch(zend_op *last_op, znode *value TSRMLS_DC) -{ - if(value->op_type != IS_VAR) { - last_op->opcode = ZEND_MAKE_VAR; - last_op->result.op_type = IS_VAR; - last_op->result.u.EA.type = 0; - last_op->result.u.var = get_temporary_variable(CG(active_op_array)); - last_op->op1 = *value; - SET_UNUSED(last_op->op2); - value->op_type = IS_VAR; - value->u.EA.type = 0; - value->u.var = last_op->result.u.var; - } else { - MAKE_NOP(last_op); - } -} - -void zend_do_binary_assign_op(zend_uchar op, znode *result, znode *op1, znode *op2 TSRMLS_DC) -{ - int last_op_number = get_next_op_number(CG(active_op_array))-1; - zend_op *last_op = &CG(active_op_array)->opcodes[last_op_number]; - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - if(last_op->opcode == ZEND_FETCH_OBJ_RW) { - - switch(op) { - case ZEND_ASSIGN_ADD: - opline->opcode = ZEND_ASSIGN_ADD_OBJ; - break; - case ZEND_ASSIGN_SUB: - opline->opcode = ZEND_ASSIGN_SUB_OBJ; - break; - case ZEND_ASSIGN_MUL: - opline->opcode = ZEND_ASSIGN_MUL_OBJ; - break; - case ZEND_ASSIGN_DIV: - opline->opcode = ZEND_ASSIGN_DIV_OBJ; - break; - case ZEND_ASSIGN_MOD: - opline->opcode = ZEND_ASSIGN_MOD_OBJ; - break; - case ZEND_ASSIGN_SL: - opline->opcode = ZEND_ASSIGN_SL_OBJ; - break; - case ZEND_ASSIGN_SR: - opline->opcode = ZEND_ASSIGN_SR_OBJ; - break; - case ZEND_ASSIGN_CONCAT: - opline->opcode = ZEND_ASSIGN_CONCAT_OBJ; - break; - case ZEND_ASSIGN_BW_OR: - opline->opcode = ZEND_ASSIGN_BW_OR_OBJ; - break; - case ZEND_ASSIGN_BW_AND: - opline->opcode = ZEND_ASSIGN_BW_AND_OBJ; - break; - case ZEND_ASSIGN_BW_XOR: - opline->opcode = ZEND_ASSIGN_BW_XOR_OBJ; - break; - default: - zend_error(E_COMPILE_ERROR, "Unknown binary op opcode %d", op); - } - - opline->op2 = last_op->op2; - opline->op1 = last_op->op1; - zend_replace_object_fetch(last_op, op2 TSRMLS_CC); - opline->extended_value = op2->u.var; - - } else { - opline->opcode = op; - opline->op1 = *op1; - opline->op2 = *op2; - } - - opline->result.op_type = IS_VAR; - opline->result.u.EA.type = 0; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - *result = opline->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; - - if (bp) { - opline_ptr = &opline; - init_op(opline_ptr TSRMLS_CC); - } else { - opline_ptr = get_next_op(CG(active_op_array) TSRMLS_CC); - } - - opline_ptr->opcode = op; - opline_ptr->result.op_type = IS_VAR; - opline_ptr->result.u.EA.type = 0; - opline_ptr->result.u.var = get_temporary_variable(CG(active_op_array)); - opline_ptr->op1 = *varname; - *result = opline_ptr->result; - SET_UNUSED(opline_ptr->op2); - - if (varname->op_type == IS_CONST && varname->u.constant.type == IS_STRING - && zend_hash_exists(CG(auto_globals), varname->u.constant.value.str.val, varname->u.constant.value.str.len+1)) { - opline_ptr->op2.u.EA.type = ZEND_FETCH_GLOBAL; - } else { - opline_ptr->op2.u.EA.type = ZEND_FETCH_LOCAL; - } - - if (bp) { - zend_stack_top(&CG(bp_stack), (void **) &fetch_list_ptr); - zend_llist_add_element(fetch_list_ptr, opline_ptr); - } -} - -void fetch_simple_variable(znode *result, znode *varname, int bp 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); -} - -void zend_do_fetch_static_member(znode *class TSRMLS_DC) -{ - zend_llist *fetch_list_ptr; - zend_llist_element *le; - zend_op *opline_ptr; - - zend_stack_top(&CG(bp_stack), (void **) &fetch_list_ptr); - le = fetch_list_ptr->head; - - opline_ptr = (zend_op *)le->data; - opline_ptr->op2 = *class; - opline_ptr->op2.u.EA.type = ZEND_FETCH_STATIC_MEMBER; -} - -void fetch_array_begin(znode *result, znode *varname, znode *first_dim TSRMLS_DC) -{ - fetch_simple_variable(result, varname, 1 TSRMLS_CC); - - fetch_array_dim(result, result, first_dim TSRMLS_CC); -} - - -void fetch_array_dim(znode *result, znode *parent, znode *dim TSRMLS_DC) -{ - zend_op opline; - zend_llist *fetch_list_ptr; - - init_op(&opline TSRMLS_CC); - opline.opcode = ZEND_FETCH_DIM_W; /* the backpatching routine assumes W */ - opline.result.op_type = IS_VAR; - opline.result.u.EA.type = 0; - opline.result.u.var = get_temporary_variable(CG(active_op_array)); - opline.op1 = *parent; - opline.op2 = *dim; - opline.extended_value = ZEND_FETCH_STANDARD; - *result = opline.result; - - zend_stack_top(&CG(bp_stack), (void **) &fetch_list_ptr); - zend_llist_add_element(fetch_list_ptr, &opline); -} - - -void fetch_string_offset(znode *result, znode *parent, znode *offset TSRMLS_DC) -{ - fetch_array_dim(result, parent, offset TSRMLS_CC); -} - - -void zend_do_print(znode *result, znode *arg TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->result.op_type = IS_TMP_VAR; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - opline->opcode = ZEND_PRINT; - opline->op1 = *arg; - SET_UNUSED(opline->op2); - *result = opline->result; -} - - -void zend_do_echo(znode *arg TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_ECHO; - opline->op1 = *arg; - SET_UNUSED(opline->op2); -} - - -void zend_do_assign(znode *result, znode *variable, znode *value TSRMLS_DC) -{ - int last_op_number = get_next_op_number(CG(active_op_array))-1; - zend_op *last_op = &CG(active_op_array)->opcodes[last_op_number]; - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - if(last_op->opcode == ZEND_FETCH_OBJ_W) { - opline->opcode = ZEND_ASSIGN_OBJ; - opline->op1 = last_op->op1; - opline->op2 = last_op->op2; - - zend_replace_object_fetch(last_op, value TSRMLS_CC); - - opline->extended_value = value->u.var; - } else { - opline->opcode = ZEND_ASSIGN; - opline->op1 = *variable; - opline->op2 = *value; - } - opline->result.op_type = IS_VAR; - opline->result.u.EA.type = 0; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - *result = opline->result; -} - - -void zend_do_assign_ref(znode *result, znode *lvar, znode *rvar TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_ASSIGN_REF; - if (result) { - opline->result.op_type = IS_VAR; - opline->result.u.EA.type = 0; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - *result = opline->result; - } else { - /* SET_UNUSED(opline->result); */ - opline->result.u.EA.type |= EXT_TYPE_UNUSED; - } - opline->op1 = *lvar; - opline->op2 = *rvar; -} - - -static inline void do_begin_loop(TSRMLS_D) -{ - zend_brk_cont_element *brk_cont_element; - int parent; - - parent = CG(active_op_array)->current_brk_cont; - CG(active_op_array)->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->parent = parent; -} - - -static inline void do_end_loop(int cont_addr TSRMLS_DC) -{ - CG(active_op_array)->brk_cont_array[CG(active_op_array)->current_brk_cont].cont = cont_addr; - CG(active_op_array)->brk_cont_array[CG(active_op_array)->current_brk_cont].brk = get_next_op_number(CG(active_op_array)); - CG(active_op_array)->current_brk_cont = CG(active_op_array)->brk_cont_array[CG(active_op_array)->current_brk_cont].parent; -} - - -void zend_do_while_cond(znode *expr, znode *close_bracket_token TSRMLS_DC) -{ - 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); - - opline->opcode = ZEND_JMPZ; - opline->op1 = *expr; - close_bracket_token->u.opline_num = while_cond_op_number; - SET_UNUSED(opline->op2); - - do_begin_loop(TSRMLS_C); - INC_BPC(CG(active_op_array)); -} - - -void zend_do_while_end(znode *while_token, znode *close_bracket_token TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - /* add unconditional jump */ - opline->opcode = ZEND_JMP; - opline->op1.u.opline_num = while_token->u.opline_num; - SET_UNUSED(opline->op1); - SET_UNUSED(opline->op2); - - /* update while's conditional jmp */ - CG(active_op_array)->opcodes[close_bracket_token->u.opline_num].op2.u.opline_num = get_next_op_number(CG(active_op_array)); - - do_end_loop(while_token->u.opline_num TSRMLS_CC); - - DEC_BPC(CG(active_op_array)); -} - - -void zend_do_for_cond(znode *expr, znode *second_semicolon_token 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); - - opline->opcode = ZEND_JMPZNZ; - opline->op1 = *expr; /* the conditional expression */ - second_semicolon_token->u.opline_num = for_cond_op_number; - SET_UNUSED(opline->op2); -} - - -void zend_do_for_before_statement(znode *cond_start, znode *second_semicolon_token TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_JMP; - opline->op1.u.opline_num = cond_start->u.opline_num; - CG(active_op_array)->opcodes[second_semicolon_token->u.opline_num].extended_value = get_next_op_number(CG(active_op_array)); - SET_UNUSED(opline->op1); - SET_UNUSED(opline->op2); - - do_begin_loop(TSRMLS_C); - - INC_BPC(CG(active_op_array)); -} - - -void zend_do_for_end(znode *second_semicolon_token TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_JMP; - opline->op1.u.opline_num = second_semicolon_token->u.opline_num+1; - CG(active_op_array)->opcodes[second_semicolon_token->u.opline_num].op2.u.opline_num = get_next_op_number(CG(active_op_array)); - SET_UNUSED(opline->op1); - SET_UNUSED(opline->op2); - - do_end_loop(second_semicolon_token->u.opline_num+1 TSRMLS_CC); - - DEC_BPC(CG(active_op_array)); -} - - -void zend_do_pre_incdec(znode *result, znode *op1, zend_uchar op TSRMLS_DC) -{ - int last_op_number = get_next_op_number(CG(active_op_array))-1; - zend_op *last_op = &CG(active_op_array)->opcodes[last_op_number]; - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - if(last_op->opcode == ZEND_FETCH_OBJ_RW) { - opline->opcode = (op==ZEND_PRE_INC)?ZEND_PRE_INC_OBJ:ZEND_PRE_DEC_OBJ; - opline->op1 = last_op->op1; - opline->op2 = last_op->op2; - - MAKE_NOP(last_op); - } else { - opline->opcode = op; - opline->op1 = *op1; - SET_UNUSED(opline->op2); - } - - opline->result.op_type = IS_VAR; - opline->result.u.EA.type = 0; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - *result = opline->result; -} - - -void zend_do_post_incdec(znode *result, znode *op1, zend_uchar op TSRMLS_DC) -{ - int last_op_number = get_next_op_number(CG(active_op_array))-1; - zend_op *last_op = &CG(active_op_array)->opcodes[last_op_number]; - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - if(last_op->opcode == ZEND_FETCH_OBJ_RW) { - opline->opcode = (op==ZEND_POST_INC)?ZEND_POST_INC_OBJ:ZEND_POST_DEC_OBJ; - opline->op1 = last_op->op1; - opline->op2 = last_op->op2; - - MAKE_NOP(last_op); - } else { - opline->opcode = op; - opline->op1 = *op1; - SET_UNUSED(opline->op2); - } - opline->result.op_type = IS_TMP_VAR; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - *result = opline->result; -} - - -void zend_do_if_cond(znode *cond, znode *closing_bracket_token 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); - - opline->opcode = ZEND_JMPZ; - opline->op1 = *cond; - closing_bracket_token->u.opline_num = if_cond_op_number; - SET_UNUSED(opline->op2); - INC_BPC(CG(active_op_array)); -} - - -void zend_do_if_after_statement(znode *closing_bracket_token, unsigned char initialize 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; - - opline->opcode = ZEND_JMP; - /* save for backpatching */ - if (initialize) { - zend_llist jmp_list; - - 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); - - CG(active_op_array)->opcodes[closing_bracket_token->u.opline_num].op2.u.opline_num = if_end_op_number+1; - SET_UNUSED(opline->op1); - SET_UNUSED(opline->op2); -} - - -void zend_do_if_end(TSRMLS_D) -{ - int next_op_number = get_next_op_number(CG(active_op_array)); - zend_llist *jmp_list_ptr; - zend_llist_element *le; - - 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.u.opline_num = next_op_number; - } - zend_llist_destroy(jmp_list_ptr); - zend_stack_del_top(&CG(bp_stack)); - DEC_BPC(CG(active_op_array)); -} - -#if 0 -/* 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) - -#endif - -void zend_check_writable_variable(znode *variable) -{ - zend_uint type = variable->u.EA.type; - - 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"); - } -} - -zend_bool zend_is_function_or_method_call(znode *variable) -{ - zend_uint type = variable->u.EA.type; - - return ((type & ZEND_PARSED_METHOD_CALL) || (type == ZEND_PARSED_FUNCTION_CALL)); -} - -void zend_do_begin_import(TSRMLS_D) -{ - zend_llist_init(&CG(import_commands), sizeof(zend_op), NULL, 0); -} - -void zend_do_import(int type, znode *what TSRMLS_DC) -{ - zend_op opline; - - init_op(&opline TSRMLS_CC); - - switch (type) { - case T_FUNCTION: - opline.opcode = ZEND_IMPORT_FUNCTION; - break; - case T_CLASS: - opline.opcode = ZEND_IMPORT_CLASS; - break; - case T_CONST: - opline.opcode = ZEND_IMPORT_CONST; - break; - } - - if (what) { - if (type == T_FUNCTION || type == T_CLASS) { - zend_str_tolower(what->u.constant.value.str.val, what->u.constant.value.str.len); - } - opline.op2 = *what; - } else { - SET_UNUSED(opline.op2); - } - - zend_llist_add_element(&CG(import_commands), &opline); -} - -void zend_do_end_import(znode *import_from TSRMLS_DC) -{ - zend_llist_element *le; - zend_op *opline, *opline_ptr; - - - le = CG(import_commands).head; - - while (le) { - opline_ptr = (zend_op *)le->data; - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - memcpy(opline, opline_ptr, sizeof(zend_op)); - opline->op1 = *import_from; - le = le->next; - } - zend_llist_destroy(&CG(import_commands)); -} - - - -void zend_do_begin_variable_parse(TSRMLS_D) -{ - zend_llist fetch_list; - - zend_llist_init(&fetch_list, sizeof(zend_op), NULL, 0); - zend_stack_push(&CG(bp_stack), (void *) &fetch_list, sizeof(zend_llist)); -} - - -void zend_do_end_variable_parse(int type, int arg_offset TSRMLS_DC) -{ - zend_llist *fetch_list_ptr; - zend_llist_element *le; - zend_op *opline, *opline_ptr; - int num_of_created_opcodes = 0; - - zend_stack_top(&CG(bp_stack), (void **) &fetch_list_ptr); - - le = fetch_list_ptr->head; - - while (le) { - opline_ptr = (zend_op *)le->data; - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - memcpy(opline, opline_ptr, sizeof(zend_op)); - switch (type) { - case BP_VAR_R: - if (opline->opcode == ZEND_FETCH_DIM_W && opline->op2.op_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: - 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.op_type == IS_UNUSED) { - zend_error(E_COMPILE_ERROR, "Cannot use [] for unsetting"); - } - opline->opcode += 12; /* 3+3+3+3 */ - break; - } - le = le->next; - num_of_created_opcodes++; - } - - if (num_of_created_opcodes == 1) { - if ((opline_ptr->op1.op_type == IS_CONST) && (opline_ptr->op1.u.constant.type == IS_STRING) && - (opline_ptr->op1.u.constant.value.str.len == (sizeof("this")-1)) && - !memcmp(opline_ptr->op1.u.constant.value.str.val, "this", sizeof("this"))) { - CG(active_op_array)->uses_this = 1; - } - } - - zend_llist_destroy(fetch_list_ptr); - zend_stack_del_top(&CG(bp_stack)); -} - - -void zend_do_init_string(znode *result TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_INIT_STRING; - opline->result.op_type = IS_TMP_VAR; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - *result = opline->result; - SET_UNUSED(opline->op1); - SET_UNUSED(opline->op2); -} - - -void zend_do_add_char(znode *result, znode *op1, znode *op2 TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_ADD_CHAR; - opline->op1 = *op1; - opline->op2 = *op2; - opline->op2.op_type = IS_CONST; - opline->result = opline->op1; - *result = opline->result; -} - - -void zend_do_add_string(znode *result, znode *op1, znode *op2 TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_ADD_STRING; - opline->op1 = *op1; - opline->op2 = *op2; - opline->op2.op_type = IS_CONST; - opline->result = opline->op1; - *result = opline->result; -} - - -void zend_do_add_variable(znode *result, znode *op1, znode *op2 TSRMLS_DC) -{ - zend_op *opline; - - if (op1->op_type == IS_CONST) { - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - opline->opcode = ZEND_INIT_STRING; - opline->result.op_type = IS_TMP_VAR; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - *result = opline->result; - SET_UNUSED(opline->op1); - SET_UNUSED(opline->op2); - - if (op1->u.constant.value.str.len>0) { - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - opline->opcode = ZEND_ADD_STRING; - opline->result = *result; - opline->op1 = *result; - opline->op2 = *op1; - opline->result = opline->op1; - } else { - zval_dtor(&op1->u.constant); - } - } else { - *result = *op1; - } - - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - opline->opcode = ZEND_ADD_VAR; - opline->result = *result; - opline->op1 = *result; - opline->op2 = *op2; - *result = opline->result; -} - -static void zend_lowercase_znode_if_const(znode *z) -{ - if (z->op_type == IS_CONST) { - zend_str_tolower(z->u.constant.value.str.val, z->u.constant.value.str.len); - } -} - -void zend_do_free(znode *op1 TSRMLS_DC) -{ - if (op1->op_type==IS_TMP_VAR) { - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_FREE; - 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--; - } - if (opline->result.op_type == op1->op_type - && opline->result.u.var == op1->u.var) { - opline->result.u.EA.type |= EXT_TYPE_UNUSED; - } else { - while (opline>CG(active_op_array)->opcodes) { - /* This should be an object instantiation - * Find JMP_NO_CTOR, mark the preceding ASSIGN and the - * proceeding INIT_FCALL_BY_NAME as unused - */ - if (opline->opcode == ZEND_JMP_NO_CTOR) { - (opline-1)->result.u.EA.type |= EXT_TYPE_UNUSED; - (opline+1)->op1.u.EA.type |= EXT_TYPE_UNUSED; - break; - } else if (opline->opcode == ZEND_FETCH_DIM_R - && opline->op1.op_type == IS_VAR - && opline->op1.u.var == op1->u.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.op_type==IS_VAR - && opline->result.u.var == op1->u.var) { - break; - } - opline--; - } - } - } else if (op1->op_type == IS_CONST) { - zval_dtor(&op1->u.constant); - } -} - -#define ZEND_CLONE_FUNC_NAME "__clone" -#define ZEND_CONSTRUCTOR_FUNC_NAME "__construct" -#define ZEND_DESTRUCTOR_FUNC_NAME "__destruct" - -void zend_do_begin_function_declaration(znode *function_token, znode *function_name, int is_method, int return_reference TSRMLS_DC) -{ - zend_op_array op_array; - char *name = function_name->u.constant.value.str.val; - int name_len = function_name->u.constant.value.str.len; - int function_begin_line = function_token->u.opline_num; - - function_token->u.op_array = CG(active_op_array); - zend_str_tolower(name, name_len); - - init_op_array(&op_array, ZEND_USER_FUNCTION, INITIAL_OP_ARRAY_SIZE TSRMLS_CC); - - op_array.function_name = name; - op_array.arg_types = NULL; - op_array.return_reference = return_reference; - - op_array.scope = CG(active_class_entry); - - if (is_method) { - zend_hash_update(&CG(active_class_entry)->function_table, name, name_len+1, &op_array, sizeof(zend_op_array), (void **) &CG(active_op_array)); - if ((CG(active_class_entry)->name_length == (uint) name_len) && (!memcmp(CG(active_class_entry)->name, name, name_len))) { - CG(active_class_entry)->constructor = (zend_function *) CG(active_op_array); - } else if ((function_name->u.constant.value.str.len == sizeof(ZEND_CONSTRUCTOR_FUNC_NAME)-1) && (!memcmp(function_name->u.constant.value.str.val, ZEND_CONSTRUCTOR_FUNC_NAME, sizeof(ZEND_CONSTRUCTOR_FUNC_NAME)))) { - CG(active_class_entry)->constructor = (zend_function *) CG(active_op_array); - } else if ((function_name->u.constant.value.str.len == sizeof(ZEND_DESTRUCTOR_FUNC_NAME)-1) && (!memcmp(function_name->u.constant.value.str.val, ZEND_DESTRUCTOR_FUNC_NAME, sizeof(ZEND_DESTRUCTOR_FUNC_NAME)))) { - CG(active_class_entry)->destructor = (zend_function *) CG(active_op_array); - } else if ((function_name->u.constant.value.str.len == sizeof(ZEND_CLONE_FUNC_NAME)-1) && (!memcmp(function_name->u.constant.value.str.val, ZEND_CLONE_FUNC_NAME, sizeof(ZEND_CLONE_FUNC_NAME)))) { - CG(active_class_entry)->clone = (zend_function *) CG(active_op_array); - } - } else { - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_DECLARE_FUNCTION_OR_CLASS; - opline->op1.op_type = IS_CONST; - build_runtime_defined_function_key(&opline->op1.u.constant, &function_name->u.constant, opline TSRMLS_CC); - opline->op2.op_type = IS_CONST; - opline->op2.u.constant.type = IS_STRING; - opline->op2.u.constant.value.str.val = estrndup(name, name_len); - opline->op2.u.constant.value.str.len = name_len; - opline->op2.u.constant.refcount = 1; - opline->extended_value = ZEND_DECLARE_FUNCTION; - zend_hash_update(CG(function_table), opline->op1.u.constant.value.str.val, opline->op1.u.constant.value.str.len, &op_array, sizeof(zend_op_array), (void **) &CG(active_op_array)); - } - - if (CG(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); - } - - { - /* Push a seperator to the switch and foreach stacks */ - 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)); - - zend_stack_push(&CG(foreach_copy_stack), (void *) &switch_entry.cond, sizeof(znode)); - } - function_token->throw_list = CG(throw_list); - CG(throw_list) = NULL; -} - - -void zend_do_end_function_declaration(znode *function_token TSRMLS_DC) -{ - zend_do_extended_info(TSRMLS_C); - zend_do_return(NULL, 0 TSRMLS_CC); - pass_two(CG(active_op_array) TSRMLS_CC); - CG(active_op_array) = function_token->u.op_array; - - /* Pop the switch and foreach seperators */ - zend_stack_del_top(&CG(switch_cond_stack)); - zend_stack_del_top(&CG(foreach_copy_stack)); - - CG(throw_list) = function_token->throw_list; -} - - -void zend_do_receive_arg(zend_uchar op, znode *var, znode *offset, znode *initialization, zend_uchar pass_type TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = op; - opline->result = *var; - opline->op1 = *offset; - if ((op == ZEND_RECV_INIT)) { - opline->op2 = *initialization; - } else { - SET_UNUSED(opline->op2); - } - if (!CG(active_op_array)->arg_types) { - if (pass_type==BYREF_FORCE) { - int i; - - CG(active_op_array)->arg_types = (unsigned char *) emalloc(sizeof(unsigned char)*(offset->u.constant.value.lval+1)); - for (i=1; i<offset->u.constant.value.lval; i++) { - CG(active_op_array)->arg_types[i] = BYREF_NONE; - } - CG(active_op_array)->arg_types[0]=(unsigned char) offset->u.constant.value.lval; - CG(active_op_array)->arg_types[offset->u.constant.value.lval] = pass_type; - } - } else { - CG(active_op_array)->arg_types = (unsigned char *) erealloc(CG(active_op_array)->arg_types, sizeof(unsigned char)*(offset->u.constant.value.lval+1)); - CG(active_op_array)->arg_types[0]=(unsigned char) offset->u.constant.value.lval; - CG(active_op_array)->arg_types[offset->u.constant.value.lval] = pass_type; - } -} - - -int zend_do_begin_function_call(znode *function_name TSRMLS_DC) -{ - zend_function *function; - - zend_str_tolower(function_name->u.constant.value.str.val, function_name->u.constant.value.str.len); - if (zend_hash_find(CG(function_table), function_name->u.constant.value.str.val, function_name->u.constant.value.str.len+1, (void **) &function)==FAILURE) { - zend_do_begin_dynamic_function_call(function_name TSRMLS_CC); - return 1; /* Dynamic */ - } - - switch (function->type) { - case ZEND_USER_FUNCTION: { - zend_op_array *op_array = (zend_op_array *) function; - - zend_stack_push(&CG(function_call_stack), (void *) &op_array, sizeof(zend_function *)); - } - break; - case ZEND_INTERNAL_FUNCTION: { - zend_internal_function *internal_function = (zend_internal_function *) function; - - zend_stack_push(&CG(function_call_stack), (void *) &internal_function, sizeof(zend_function *)); - } - break; - } - zend_do_extended_fcall_begin(TSRMLS_C); - return 0; -} - - - -void zend_do_begin_method_call(znode *left_bracket TSRMLS_DC) -{ - zend_op *last_op; - int last_op_number; - unsigned char *ptr = NULL; - - zend_do_end_variable_parse(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]; - - if ((last_op->op2.op_type == IS_CONST) && (last_op->op2.u.constant.value.str.len == sizeof(ZEND_CLONE_FUNC_NAME)-1) - && !memcmp(last_op->op2.u.constant.value.str.val, ZEND_CLONE_FUNC_NAME, sizeof(ZEND_CLONE_FUNC_NAME))) { - last_op->opcode = ZEND_CLONE; - left_bracket->u.constant.value.lval = ZEND_CLONE; - zend_stack_push(&CG(function_call_stack), (void *) &ptr, sizeof(zend_function *)); - zend_do_extended_fcall_begin(TSRMLS_C); - return; - } - - last_op->opcode = ZEND_INIT_METHOD_CALL; - - if (last_op->op2.op_type == IS_UNUSED && last_op->op2.u.EA.type == ZEND_FETCH_FROM_THIS) { - last_op->op2 = last_op->op1; - memset(&last_op->op1, 0, sizeof(znode)); - SET_UNUSED(last_op->op1); - last_op->extended_value = ZEND_FETCH_FROM_THIS; - } - - left_bracket->u.constant.value.lval = ZEND_INIT_FCALL_BY_NAME; - - zend_stack_push(&CG(function_call_stack), (void *) &ptr, sizeof(zend_function *)); - zend_do_extended_fcall_begin(TSRMLS_C); -} - - -void zend_do_begin_dynamic_function_call(znode *function_name TSRMLS_DC) -{ - unsigned char *ptr = NULL; - zend_op *opline; - - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - opline->opcode = ZEND_INIT_FCALL_BY_NAME; - opline->op2 = *function_name; - opline->extended_value = 0; - SET_UNUSED(opline->op1); - - zend_stack_push(&CG(function_call_stack), (void *) &ptr, sizeof(zend_function *)); - zend_do_extended_fcall_begin(TSRMLS_C); -} - - -void do_fetch_class(znode *result, znode *class_entry, znode *class_name TSRMLS_DC) -{ - long fetch_class_op_number; - zend_op *opline; - - fetch_class_op_number = get_next_op_number(CG(active_op_array)); - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_FETCH_CLASS; - if (class_entry) { - opline->op1 = *class_entry; - } else { - SET_UNUSED(opline->op1); - CG(catch_begin) = fetch_class_op_number; - } - zend_str_tolower(class_name->u.constant.value.str.val, class_name->u.constant.value.str.len); - if ((class_name->u.constant.value.str.len == (sizeof("self") - 1)) && - !memcmp(class_name->u.constant.value.str.val, "self", sizeof("self"))) { - SET_UNUSED(opline->op2); - opline->extended_value = ZEND_FETCH_CLASS_SELF; - zval_dtor(&class_name->u.constant); - } else if ((class_name->u.constant.value.str.len == (sizeof("parent") - 1)) && - !memcmp(class_name->u.constant.value.str.val, "parent", sizeof("parent"))) { - SET_UNUSED(opline->op2); - opline->extended_value = ZEND_FETCH_CLASS_PARENT; - zval_dtor(&class_name->u.constant); - } else if ((class_name->u.constant.value.str.len == (sizeof("main") - 1)) && - !memcmp(class_name->u.constant.value.str.val, "main", sizeof("main"))) { - SET_UNUSED(opline->op2); - opline->extended_value = ZEND_FETCH_CLASS_MAIN; - zval_dtor(&class_name->u.constant); - } else { - opline->op2 = *class_name; - } - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - opline->result.op_type = IS_CONST; /* FIXME: Hack so that INIT_FCALL_BY_NAME still knows this is a class */ - *result = opline->result; -} - - -void do_fetch_class_name(znode *result, znode *class_name_entry, znode *class_name, zend_bool case_sensitive TSRMLS_DC) -{ - zend_uint length; - - if (!result) { - result = class_name_entry; - } else { - *result = *class_name_entry; - } - if (!case_sensitive) { - zend_str_tolower(class_name->u.constant.value.str.val, class_name->u.constant.value.str.len); - } - length = 1 + result->u.constant.value.str.len + class_name->u.constant.value.str.len; - result->u.constant.value.str.val = erealloc(result->u.constant.value.str.val, length+1); - memcpy(&result->u.constant.value.str.val[result->u.constant.value.str.len], ":", sizeof(":")-1); - memcpy(&result->u.constant.value.str.val[result->u.constant.value.str.len+1], class_name->u.constant.value.str.val, class_name->u.constant.value.str.len+1); - STR_FREE(class_name->u.constant.value.str.val); - result->u.constant.value.str.len = length; -} - -void zend_do_begin_class_member_function_call(znode *class_name, znode *function_name TSRMLS_DC) -{ - unsigned char *ptr = NULL; - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_INIT_STATIC_METHOD_CALL; - opline->op1 = *class_name; - zend_lowercase_znode_if_const(function_name); - opline->op2 = *function_name; - - zend_stack_push(&CG(function_call_stack), (void *) &ptr, sizeof(zend_function *)); -} - - -void zend_do_end_function_call(znode *function_name, znode *result, znode *argument_list, int is_method, int is_dynamic_fcall TSRMLS_DC) -{ - zend_op *opline; - - if (is_method && function_name && function_name->u.constant.value.lval == ZEND_CLONE) { - if (argument_list->u.constant.value.lval > 0) { - zend_error(E_COMPILE_ERROR, "Can't pass arguments to __clone()"); - } - /* FIXME: throw_list */ - zend_stack_del_top(&CG(function_call_stack)); - *result = CG(active_op_array)->opcodes[get_next_op_number(CG(active_op_array))-1].result; - return; - } - - 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; - opline->op1 = *function_name; - } else { - opline->opcode = ZEND_DO_FCALL_BY_NAME; - SET_UNUSED(opline->op1); - } - - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - opline->result.op_type = IS_VAR; - *result = opline->result; - SET_UNUSED(opline->op2); - - /* Check how much this is really needed - opline->op2.u.constant.value.lval = is_method; - */ - if (CG(throw_list) != NULL) { - long op_number = get_next_op_number(CG(active_op_array))-1; - zend_llist_add_element(CG(throw_list), &op_number); - } else { - opline->op2.u.opline_num = -1; - } - - zend_stack_del_top(&CG(function_call_stack)); - opline->extended_value = argument_list->u.constant.value.lval; -} - - -void zend_do_pass_param(znode *param, zend_uchar op, int offset TSRMLS_DC) -{ - zend_op *opline; - unsigned char *arg_types; - int original_op=op; - zend_function **function_ptr_ptr, *function_ptr; - int send_by_reference; - - - zend_stack_top(&CG(function_call_stack), (void **) &function_ptr_ptr); - function_ptr = *function_ptr_ptr; - - if (original_op==ZEND_SEND_REF - && !CG(allow_call_time_pass_reference)) { - zend_error(E_COMPILE_WARNING, - "Call-time pass-by-reference has been deprecated - argument passed by value; " - "If you would like to pass it by reference, modify the declaration of %s(). " - "If you would like to enable call-time pass-by-reference, you can set " - "allow_call_time_pass_reference to true in your INI file. " - "However, future versions may not support this any longer. ", - (function_ptr?function_ptr->common.function_name:"[runtime function name]"), - offset+1); - } - - if (function_ptr) { - arg_types = function_ptr->common.arg_types; - } else { - arg_types = NULL; - } - - send_by_reference = ARG_SHOULD_BE_SENT_BY_REF(offset, 1, arg_types)?ZEND_ARG_SEND_BY_REF:0; - - - if (op == ZEND_SEND_VAR && zend_is_function_or_method_call(param)) { - /* Method call */ - op = ZEND_SEND_VAR_NO_REF; - } else if (op == ZEND_SEND_VAL && param->op_type == IS_VAR) { - op = ZEND_SEND_VAR_NO_REF; - } - - 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: - op = ZEND_SEND_REF; - break; - default: - zend_error(E_COMPILE_ERROR, "Only variables can be passed by reference"); - break; - } - } - - if (original_op == ZEND_SEND_VAR) { - switch(op) { - case ZEND_SEND_VAR_NO_REF: - zend_do_end_variable_parse(BP_VAR_R, 0 TSRMLS_CC); - break; - case ZEND_SEND_VAR: - if (function_ptr) { - zend_do_end_variable_parse(BP_VAR_R, 0 TSRMLS_CC); - } else { - zend_do_end_variable_parse(BP_VAR_FUNC_ARG, offset TSRMLS_CC); - } - break; - case ZEND_SEND_REF: - zend_do_end_variable_parse(BP_VAR_W, 0 TSRMLS_CC); - break; - } - } - - 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; - } else { - opline->extended_value = 0; - } - } else { - if (function_ptr) { - opline->extended_value = ZEND_DO_FCALL; - } else { - opline->extended_value = ZEND_DO_FCALL_BY_NAME; - } - } - opline->opcode = op; - opline->op1 = *param; - opline->op2.u.opline_num = offset; - SET_UNUSED(opline->op2); -} - - -static int generate_free_switch_expr(zend_switch_entry *switch_entry TSRMLS_DC) -{ - zend_op *opline; - - if (switch_entry->cond.op_type!=IS_VAR && switch_entry->cond.op_type!=IS_TMP_VAR) { - return 1; - } - - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_SWITCH_FREE; - opline->op1 = switch_entry->cond; - SET_UNUSED(opline->op2); - opline->extended_value = 0; - return 0; -} - -static int generate_free_foreach_copy(znode *foreach_copy TSRMLS_DC) -{ - zend_op *opline; - - if (foreach_copy->op_type!=IS_VAR && foreach_copy->op_type!=IS_TMP_VAR) { - return 1; - } - - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_SWITCH_FREE; - opline->op1 = *foreach_copy; - SET_UNUSED(opline->op2); - opline->extended_value = 1; - return 0; -} - -void zend_do_return(znode *expr, int do_end_vparse TSRMLS_DC) -{ - zend_op *opline; - - if (do_end_vparse) { - if (CG(active_op_array)->return_reference && !zend_is_function_or_method_call(expr)) { - zend_do_end_variable_parse(BP_VAR_W, 0 TSRMLS_CC); - } else { - zend_do_end_variable_parse(BP_VAR_R, 0 TSRMLS_CC); - } -#if 0 - } else if (expr && CG(active_op_array)->return_reference) { - zend_error(E_COMPILE_ERROR, "Only variables may be returned by reference"); -#endif - } - -#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 - - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_RETURN; - - if (expr) { - opline->op1 = *expr; - } else { - opline->op1.op_type = IS_CONST; - INIT_ZVAL(opline->op1.u.constant); - } - SET_UNUSED(opline->op2); -} - - -void zend_do_try(znode *try_token TSRMLS_DC) -{ - try_token->throw_list = (void *) CG(throw_list); - CG(throw_list) = (zend_llist *) emalloc(sizeof(zend_llist)); - zend_llist_init(CG(throw_list), sizeof(long), NULL, 0); - /* Initialize try backpatch list used to backpatch throw, do_fcall */ -} - -static void throw_list_applier(long *opline_num, long *catch_opline) -{ - zend_op *opline; - TSRMLS_FETCH(); /* Pass this by argument */ - - opline = &CG(active_op_array)->opcodes[*opline_num]; - - /* Backpatch the opline of the catch statement */ - switch (opline->opcode) { - case ZEND_DO_FCALL: - case ZEND_DO_FCALL_BY_NAME: - case ZEND_THROW: - opline->op2.u.opline_num = *catch_opline; - break; - default: - zend_error(E_COMPILE_ERROR, "Bad opcode in throw list"); - break; - } -} - -void zend_do_begin_catch(znode *try_token, znode *catch_class, znode *catch_var, zend_bool first_catch TSRMLS_DC) -{ - long catch_op_number = get_next_op_number(CG(active_op_array)); - zend_op *opline; - - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - opline->opcode = ZEND_CATCH; - opline->op1 = *catch_class; - SET_UNUSED(opline->op1); /* FIXME: Define IS_CLASS or something like that */ - opline->op2 = *catch_var; - - if (first_catch) { - zend_llist_apply_with_argument(CG(throw_list), (llist_apply_with_arg_func_t) throw_list_applier, &CG(catch_begin) TSRMLS_CC); - zend_llist_destroy(CG(throw_list)); - efree(CG(throw_list)); - CG(throw_list) = (void *) try_token->throw_list; - } - try_token->u.opline_num = catch_op_number; -} - -void zend_do_end_catch(znode *try_token TSRMLS_DC) -{ - CG(active_op_array)->opcodes[try_token->u.opline_num].extended_value = get_next_op_number(CG(active_op_array)); -} - -void zend_do_throw(znode *expr TSRMLS_DC) -{ - zend_op *opline; - long throw_op_number = get_next_op_number(CG(active_op_array)); - - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - opline->opcode = ZEND_THROW; - opline->op1 = *expr; - SET_UNUSED(opline->op2); - - if (CG(throw_list) != NULL) { - zend_llist_add_element(CG(throw_list), &throw_op_number); - } else { - opline->op2.u.opline_num = -1; - } -} - -ZEND_API void function_add_ref(zend_function *function) -{ - if (function->type == ZEND_USER_FUNCTION) { - zend_op_array *op_array = &function->op_array; - - (*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, 2, 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 *)); - } - } -} - - -static void do_inherit_parent_constructor(zend_class_entry *ce) -{ - zend_function *function; - - if (!ce->parent || ce->constructor) { - return; - } - - if (!zend_hash_exists(&ce->function_table, ce->name, ce->name_length+1)) { - if (zend_hash_find(&ce->parent->function_table, ce->parent->name, ce->parent->name_length+1, (void **) &function)==SUCCESS) { - /* inherit parent's constructor */ - zend_hash_update(&ce->function_table, ce->name, ce->name_length+1, function, sizeof(zend_function), NULL); - function_add_ref(function); - } - } - 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), NULL); - function_add_ref(function); - } - ce->constructor = ce->parent->constructor; -} - -void zend_do_inheritance(zend_class_entry *ce, zend_class_entry *parent_ce) -{ - zend_function tmp_zend_function; - zval *tmp; - - /* Perform inheritance */ - zend_hash_merge(&ce->default_properties, &parent_ce->default_properties, (void (*)(void *)) zval_add_ref, (void *) &tmp, sizeof(zval *), 0); - /* STATIC_MEMBERS_FIXME */ - zend_hash_merge(ce->static_members, parent_ce->static_members, (void (*)(void *)) zval_add_ref, (void *) &tmp, sizeof(zval *), 0); - zend_hash_merge(&ce->constants_table, &parent_ce->constants_table, (void (*)(void *)) zval_add_ref, (void *) &tmp, sizeof(zval *), 0); - zend_hash_merge(&ce->function_table, &parent_ce->function_table, (void (*)(void *)) function_add_ref, &tmp_zend_function, sizeof(zend_function), 0); - ce->parent = parent_ce; - if (!ce->handle_property_get) - ce->handle_property_get = parent_ce->handle_property_get; - if (!ce->handle_property_set) - ce->handle_property_set = parent_ce->handle_property_set; - if (!ce->handle_function_call) - ce->handle_function_call = parent_ce->handle_function_call; - do_inherit_parent_constructor(ce); -} - -static void create_class(HashTable *class_table, char *name, int name_length, zend_class_entry **ce) -{ - zend_class_entry *new_class_entry; - - new_class_entry = emalloc(sizeof(zend_class_entry)); - *ce = new_class_entry; - new_class_entry->type = ZEND_USER_CLASS; - new_class_entry->name = estrndup(name, name_length); - new_class_entry->name_length = name_length; - new_class_entry->refcount = 1; - new_class_entry->constants_updated = 0; - - zend_str_tolower(new_class_entry->name, new_class_entry->name_length); - - zend_hash_init(&new_class_entry->function_table, 10, NULL, ZEND_FUNCTION_DTOR, 0); - zend_hash_init(&new_class_entry->class_table, 10, NULL, ZEND_CLASS_DTOR, 0); - zend_hash_init(&new_class_entry->default_properties, 10, NULL, ZVAL_PTR_DTOR, 0); - zend_hash_init(&new_class_entry->private_properties, 10, NULL, ZVAL_PTR_DTOR, 0); - ALLOC_HASHTABLE(new_class_entry->static_members); - zend_hash_init(new_class_entry->static_members, 10, NULL, ZVAL_PTR_DTOR, 0); - zend_hash_init(&new_class_entry->constants_table, 10, NULL, ZVAL_PTR_DTOR, 0); - - new_class_entry->constructor = NULL; - new_class_entry->destructor = NULL; - new_class_entry->clone = NULL; - - new_class_entry->create_object = NULL; - new_class_entry->handle_function_call = NULL; - new_class_entry->handle_property_set = NULL; - new_class_entry->handle_property_get = NULL; - - new_class_entry->parent = NULL; - - if (zend_hash_update(class_table, new_class_entry->name, name_length+1, &new_class_entry, sizeof(zend_class_entry *), NULL) == FAILURE) { - zend_error(E_COMPILE_ERROR, "Can't create class. Fatal error, please report!"); - } -} - - -#include "../TSRM/tsrm_strtok_r.h" - -static int create_nested_class(HashTable *class_table, char *path, zend_class_entry *new_ce) -{ - char *cur, *temp; - char *last; - zend_class_entry *ce, **pce; - - - cur = tsrm_strtok_r(path, ":", &temp); - - if (zend_hash_find(class_table, cur, strlen(cur)+1, (void **)&pce) == FAILURE) { - create_class(class_table, cur, strlen(cur), &ce); - } else { - ce = *pce; - } - - last = tsrm_strtok_r(NULL, ":", &temp); - - for(;;) { - cur = tsrm_strtok_r(NULL, ":", &temp); - if (!cur) { - break; - } - if (zend_hash_find(&ce->class_table, last, strlen(last)+1, (void **)&pce) == FAILURE) { - create_class(&ce->class_table, last, strlen(last), &ce); - } else { - ce = *pce; - } - last = cur; - } - new_ce->refcount++; - if (zend_hash_add(&ce->class_table, last, strlen(last)+1, &new_ce, sizeof(zend_class_entry *), NULL) == FAILURE) { - new_ce->refcount--; - zend_error(E_COMPILE_ERROR, "Cannot redeclare class %s", last); - return FAILURE; - } - return SUCCESS; -} - -ZEND_API int do_bind_function_or_class(zend_op *opline, HashTable *function_table, HashTable *class_table, int compile_time) -{ - switch (opline->extended_value) { - case ZEND_DECLARE_FUNCTION: { - zend_function *function; - - zend_hash_find(function_table, opline->op1.u.constant.value.str.val, opline->op1.u.constant.value.str.len, (void *) &function); - if (zend_hash_add(function_table, opline->op2.u.constant.value.str.val, opline->op2.u.constant.value.str.len+1, function, sizeof(zend_function), NULL)==FAILURE) { - int error_level = compile_time ? E_COMPILE_ERROR : E_ERROR; - zend_function *function; - - if (zend_hash_find(function_table, opline->op2.u.constant.value.str.val, opline->op2.u.constant.value.str.len+1, (void *) &function)==SUCCESS - && function->type==ZEND_USER_FUNCTION - && ((zend_op_array *) function)->last>0) { - zend_error(error_level, "Cannot redeclare %s() (previously declared in %s:%d)", - opline->op2.u.constant.value.str.val, - ((zend_op_array *) function)->filename, - ((zend_op_array *) function)->opcodes[0].lineno); - } else { - zend_error(error_level, "Cannot redeclare %s()", opline->op2.u.constant.value.str.val); - } - return FAILURE; - } else { - (*function->op_array.refcount)++; - function->op_array.static_variables = NULL; /* NULL out the unbound function */ - return SUCCESS; - } - } - break; - case ZEND_DECLARE_CLASS: { - zend_class_entry *ce, **pce; - - if (zend_hash_find(class_table, opline->op1.u.constant.value.str.val, opline->op1.u.constant.value.str.len, (void **) &pce)==FAILURE) { - zend_error(E_ERROR, "Internal Zend error - Missing class information for %s", opline->op1.u.constant.value.str.val); - return FAILURE; - } else { - ce = *pce; - } - if (strchr(opline->op2.u.constant.value.str.val, ':')) { - return create_nested_class(class_table, opline->op2.u.constant.value.str.val, ce); - } - ce->refcount++; - if (zend_hash_add(class_table, opline->op2.u.constant.value.str.val, opline->op2.u.constant.value.str.len+1, &ce, sizeof(zend_class_entry *), NULL)==FAILURE) { - ce->refcount--; - if (!compile_time) { - zend_error(E_ERROR, "Cannot redeclare class %s", opline->op2.u.constant.value.str.val); - } - return FAILURE; - } else { - return SUCCESS; - } - } - break; - case ZEND_DECLARE_INHERITED_CLASS: { - zend_class_entry **parent_pce, *ce, **pce; - int parent_name_length; - char *class_name, *parent_name; - int found_ce; - - - found_ce = zend_hash_find(class_table, opline->op1.u.constant.value.str.val, opline->op1.u.constant.value.str.len, (void **) &pce); - - /* Restore base class / derived class names */ - class_name = strchr(opline->op2.u.constant.value.str.val, ':'); - if (!class_name) { - zend_error(E_CORE_ERROR, "Invalid runtime class entry"); - } - class_name++; - - if (found_ce==FAILURE) { - zend_error(E_ERROR, "Cannot redeclare class %s", class_name); - return FAILURE; - } else { - ce = *pce; - } - ce->refcount++; - - /* Obtain parent class */ - parent_name_length = class_name - opline->op2.u.constant.value.str.val - 1; - parent_name = estrndup(opline->op2.u.constant.value.str.val, parent_name_length); - if (zend_hash_find(class_table, parent_name, parent_name_length+1, (void **) &parent_pce)==FAILURE) { - if (!compile_time) { - zend_error(E_ERROR, "Class %s: Cannot inherit from undefined class %s", class_name, parent_name); - } - ce->refcount--; - efree(parent_name); - return FAILURE; - } - efree(parent_name); - - zend_do_inheritance(ce, *parent_pce); - - /* Register the derived class */ - if (zend_hash_add(class_table, class_name, strlen(class_name)+1, pce, sizeof(zend_class_entry *), NULL)==FAILURE) { - if (!compile_time) { - zend_error(E_ERROR, "Cannot redeclare class %s", opline->op2.u.constant.value.str.val); - } - ce->refcount--; - zend_hash_destroy(&ce->function_table); - zend_hash_destroy(&ce->default_properties); - zend_hash_destroy(&ce->private_properties); - zend_hash_destroy(ce->static_members); - zend_hash_destroy(&ce->constants_table); - return FAILURE; - } - return SUCCESS; - } - break; - } - return FAILURE; -} - - -void zend_do_early_binding(TSRMLS_D) -{ - zend_op *opline = &CG(active_op_array)->opcodes[CG(active_op_array)->last-1]; - HashTable *table; - - if (strchr(opline->op2.u.constant.value.str.val, ':')) { - return; - } - if (do_bind_function_or_class(opline, CG(function_table), CG(class_table), 1)==FAILURE) { - return; - } - switch (opline->extended_value) { - case ZEND_DECLARE_FUNCTION: - table = CG(function_table); - break; - case ZEND_DECLARE_CLASS: - table = CG(class_table); - break; - default: - zend_error(E_COMPILE_ERROR, "Invalid binding type"); - return; - } - zend_hash_del(table, opline->op1.u.constant.value.str.val, opline->op1.u.constant.value.str.len); - zval_dtor(&opline->op1.u.constant); - zval_dtor(&opline->op2.u.constant); - opline->opcode = ZEND_NOP; - memset(&opline->op1, 0, sizeof(znode)); - memset(&opline->op2, 0, sizeof(znode)); - SET_UNUSED(opline->op1); - SET_UNUSED(opline->op2); -} - - -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); - - opline->opcode = ZEND_JMPNZ_EX; - if (expr1->op_type == IS_TMP_VAR) { - opline->result = *expr1; - } else { - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - opline->result.op_type = IS_TMP_VAR; - } - opline->op1 = *expr1; - SET_UNUSED(opline->op2); - - op_token->u.opline_num = next_op_number; - - *expr1 = opline->result; -} - - -void zend_do_boolean_or_end(znode *result, znode *expr1, znode *expr2, znode *op_token TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - *result = *expr1; /* we saved the original result in expr1 */ - opline->opcode = ZEND_BOOL; - opline->result = *result; - opline->op1 = *expr2; - SET_UNUSED(opline->op2); - - CG(active_op_array)->opcodes[op_token->u.opline_num].op2.u.opline_num = get_next_op_number(CG(active_op_array)); -} - - -void zend_do_boolean_and_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); - - opline->opcode = ZEND_JMPZ_EX; - if (expr1->op_type == IS_TMP_VAR) { - opline->result = *expr1; - } else { - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - opline->result.op_type = IS_TMP_VAR; - } - opline->op1 = *expr1; - SET_UNUSED(opline->op2); - - op_token->u.opline_num = next_op_number; - - *expr1 = opline->result; -} - - -void zend_do_boolean_and_end(znode *result, znode *expr1, znode *expr2, znode *op_token TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - *result = *expr1; /* we saved the original result in expr1 */ - opline->opcode = ZEND_BOOL; - opline->result = *result; - opline->op1 = *expr2; - SET_UNUSED(opline->op2); - - CG(active_op_array)->opcodes[op_token->u.opline_num].op2.u.opline_num = get_next_op_number(CG(active_op_array)); -} - - -void zend_do_do_while_begin(TSRMLS_D) -{ - do_begin_loop(TSRMLS_C); - INC_BPC(CG(active_op_array)); -} - - -void zend_do_do_while_end(znode *do_token, znode *expr_open_bracket, znode *expr TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_JMPNZ; - opline->op1 = *expr; - opline->op2.u.opline_num = do_token->u.opline_num; - SET_UNUSED(opline->op2); - - do_end_loop(expr_open_bracket->u.opline_num TSRMLS_CC); - - DEC_BPC(CG(active_op_array)); -} - - -void zend_do_brk_cont(zend_uchar op, znode *expr TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = op; - opline->op1.u.opline_num = CG(active_op_array)->current_brk_cont; - SET_UNUSED(opline->op1); - if (expr) { - opline->op2 = *expr; - } else { - opline->op2.u.constant.type = IS_LONG; - opline->op2.u.constant.value.lval = 1; - INIT_PZVAL(&opline->op2.u.constant); - opline->op2.op_type = IS_CONST; - } -} - - -void zend_do_switch_cond(znode *cond TSRMLS_DC) -{ - zend_switch_entry switch_entry; - zend_op *opline; - - /* Initialize the conditional value */ - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - opline->opcode = ZEND_BOOL; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - opline->result.op_type = IS_TMP_VAR; - opline->op1.op_type = IS_CONST; - opline->op1.u.constant.type = IS_BOOL; - opline->op1.u.constant.value.lval = 0; - INIT_PZVAL(&opline->op1.u.constant); - SET_UNUSED(opline->op2); - - switch_entry.cond = *cond; - switch_entry.default_case = -1; - switch_entry.control_var = opline->result.u.var; - zend_stack_push(&CG(switch_cond_stack), (void *) &switch_entry, sizeof(switch_entry)); - - do_begin_loop(TSRMLS_C); - - INC_BPC(CG(active_op_array)); -} - - - -void zend_do_switch_end(znode *case_list TSRMLS_DC) -{ - zend_op *opline; - zend_switch_entry *switch_entry_ptr; - - zend_stack_top(&CG(switch_cond_stack), (void **) &switch_entry_ptr); - - if (case_list->op_type != IS_UNUSED) { /* non-empty switch */ - int next_op_number = get_next_op_number(CG(active_op_array)); - - CG(active_op_array)->opcodes[case_list->u.opline_num].op1.u.opline_num = next_op_number; - } - - /* 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_JMPZ; - opline->op1.op_type = IS_TMP_VAR; - opline->op1.u.var = switch_entry_ptr->control_var; - opline->op2.u.opline_num = switch_entry_ptr->default_case; - SET_UNUSED(opline->op2); - } - - - /* remember break/continue loop information */ - CG(active_op_array)->brk_cont_array[CG(active_op_array)->current_brk_cont].cont = CG(active_op_array)->brk_cont_array[CG(active_op_array)->current_brk_cont].brk = get_next_op_number(CG(active_op_array)); - CG(active_op_array)->current_brk_cont = CG(active_op_array)->brk_cont_array[CG(active_op_array)->current_brk_cont].parent; - - 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 = ZEND_SWITCH_FREE; - 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); - } - - zend_stack_del_top(&CG(switch_cond_stack)); - - DEC_BPC(CG(active_op_array)); -} - - -void zend_do_case_before_statement(znode *case_list, znode *case_token, znode *case_expr 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_stack_top(&CG(switch_cond_stack), (void **) &switch_entry_ptr); - - opline->opcode = ZEND_CASE; - opline->result.u.var = switch_entry_ptr->control_var; - opline->result.op_type = IS_TMP_VAR; - opline->op1 = switch_entry_ptr->cond; - opline->op2 = *case_expr; - if (opline->op1.op_type == IS_CONST) { - zval_copy_ctor(&opline->op1.u.constant); - } - result = opline->result; - - 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; - opline->op1 = result; - SET_UNUSED(opline->op2); - case_token->u.opline_num = next_op_number; - - 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.opline_num].op1.u.opline_num = next_op_number; -} - - -void zend_do_case_after_statement(znode *result, 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); - - opline->opcode = ZEND_JMP; - SET_UNUSED(opline->op1); - SET_UNUSED(opline->op2); - result->u.opline_num = next_op_number; - - switch (CG(active_op_array)->opcodes[case_token->u.opline_num].opcode) { - case ZEND_JMP: - CG(active_op_array)->opcodes[case_token->u.opline_num].op1.u.opline_num = get_next_op_number(CG(active_op_array)); - break; - case ZEND_JMPZ: - CG(active_op_array)->opcodes[case_token->u.opline_num].op2.u.opline_num = get_next_op_number(CG(active_op_array)); - break; - } -} - - - -void zend_do_default_before_statement(znode *case_list, znode *default_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); - zend_switch_entry *switch_entry_ptr; - - zend_stack_top(&CG(switch_cond_stack), (void **) &switch_entry_ptr); - - opline->opcode = ZEND_JMP; - SET_UNUSED(opline->op1); - SET_UNUSED(opline->op2); - default_token->u.opline_num = next_op_number; - - next_op_number = get_next_op_number(CG(active_op_array)); - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - opline->opcode = ZEND_BOOL; - opline->result.u.var = switch_entry_ptr->control_var; - opline->result.op_type = IS_TMP_VAR; - opline->op1.op_type = IS_CONST; - opline->op1.u.constant.type = IS_BOOL; - opline->op1.u.constant.value.lval = 1; - INIT_PZVAL(&opline->op1.u.constant); - SET_UNUSED(opline->op2); - switch_entry_ptr->default_case = next_op_number; - - 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.opline_num].op1.u.opline_num = next_op_number; -} - - -void zend_do_begin_class_declaration(znode *class_token, znode *class_name, znode *parent_class_name TSRMLS_DC) -{ - zend_op *opline; - int runtime_inheritance = 0; - zend_class_entry *new_class_entry = emalloc(sizeof(zend_class_entry)); - - class_token->u.previously_active_class_entry = CG(active_class_entry); - new_class_entry->type = ZEND_USER_CLASS; - new_class_entry->name = class_name->u.constant.value.str.val; - new_class_entry->name_length = class_name->u.constant.value.str.len; - new_class_entry->refcount = 1; - new_class_entry->constants_updated = 0; - - zend_str_tolower(new_class_entry->name, new_class_entry->name_length); - - zend_hash_init(&new_class_entry->function_table, 10, NULL, ZEND_FUNCTION_DTOR, 0); - zend_hash_init(&new_class_entry->class_table, 10, NULL, ZEND_CLASS_DTOR, 0); - zend_hash_init(&new_class_entry->default_properties, 10, NULL, ZVAL_PTR_DTOR, 0); - zend_hash_init(&new_class_entry->private_properties, 10, NULL, ZVAL_PTR_DTOR, 0); - ALLOC_HASHTABLE(new_class_entry->static_members); - zend_hash_init(new_class_entry->static_members, 10, NULL, ZVAL_PTR_DTOR, 0); - zend_hash_init(&new_class_entry->constants_table, 10, NULL, ZVAL_PTR_DTOR, 0); - - new_class_entry->constructor = NULL; - new_class_entry->destructor = NULL; - new_class_entry->clone = NULL; - - new_class_entry->create_object = NULL; - new_class_entry->handle_function_call = NULL; - new_class_entry->handle_property_set = NULL; - new_class_entry->handle_property_get = NULL; - - /* code for inheritance from parent class */ - if (parent_class_name) { - zend_class_entry *parent_class, **parent_class_p; - zend_function tmp_zend_function; - zval *tmp; - - zend_str_tolower(parent_class_name->u.constant.value.str.val, parent_class_name->u.constant.value.str.len); - CG(active_ce_parent_class_name).value.str.val = estrndup(parent_class_name->u.constant.value.str.val, parent_class_name->u.constant.value.str.len); - CG(active_ce_parent_class_name).value.str.len = parent_class_name->u.constant.value.str.len; - - if (zend_hash_find(CG(active_class_entry)?&CG(active_class_entry)->class_table:CG(class_table), parent_class_name->u.constant.value.str.val, parent_class_name->u.constant.value.str.len+1, (void **) &parent_class_p)==SUCCESS) { - parent_class = *parent_class_p; - /* copy functions */ - zend_hash_copy(&new_class_entry->function_table, &parent_class->function_table, (copy_ctor_func_t) function_add_ref, &tmp_zend_function, sizeof(zend_function)); - - /* copy default properties */ - zend_hash_copy(&new_class_entry->default_properties, &parent_class->default_properties, (copy_ctor_func_t) zval_add_ref, (void *) &tmp, sizeof(zval *)); - - /* copy static members */ - zend_hash_copy(new_class_entry->static_members, parent_class->static_members, (copy_ctor_func_t) zval_add_ref, (void *) &tmp, sizeof(zval *)); - - /* copy constants */ - zend_hash_copy(&new_class_entry->constants_table, &parent_class->constants_table, (copy_ctor_func_t) zval_add_ref, (void *) &tmp, sizeof(zval *)); - - new_class_entry->constructor = parent_class->constructor; - new_class_entry->destructor = parent_class->destructor; - - /* FIXME: What do we do with clone? */ - - /* copy overloaded handlers */ - new_class_entry->handle_function_call = parent_class->handle_function_call; - new_class_entry->handle_property_get = parent_class->handle_property_get; - new_class_entry->handle_property_set = parent_class->handle_property_set; - - new_class_entry->parent = parent_class; - - zval_dtor(&parent_class_name->u.constant); - } else { - runtime_inheritance = 1; - new_class_entry->parent = NULL; - } - } else { - new_class_entry->parent = NULL; - } - - if (CG(active_class_entry)) { - if (runtime_inheritance) { - zend_error(E_COMPILE_ERROR, "Only first level classes can inherit from undefined classes"); - } - zend_hash_update(&CG(active_class_entry)->class_table, new_class_entry->name, new_class_entry->name_length+1, &new_class_entry, sizeof(zend_class_entry *), NULL); - CG(active_class_entry) = new_class_entry; - return; - } - - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - opline->opcode = ZEND_DECLARE_FUNCTION_OR_CLASS; - opline->op1.op_type = IS_CONST; - build_runtime_defined_function_key(&opline->op1.u.constant, &class_name->u.constant, opline TSRMLS_CC); - opline->op2.op_type = IS_CONST; - opline->op2.u.constant.type = IS_STRING; - opline->op2.u.constant.refcount = 1; - if (runtime_inheritance) { - char *full_class_name; - - opline->op2.u.constant.value.str.len = parent_class_name->u.constant.value.str.len+1+new_class_entry->name_length; - full_class_name = opline->op2.u.constant.value.str.val = (char *) emalloc(opline->op2.u.constant.value.str.len+1); - - memcpy(full_class_name, parent_class_name->u.constant.value.str.val, parent_class_name->u.constant.value.str.len); - full_class_name += parent_class_name->u.constant.value.str.len; - full_class_name[0] = ':'; - full_class_name++; - memcpy(full_class_name, new_class_entry->name, new_class_entry->name_length); - zval_dtor(&parent_class_name->u.constant); - full_class_name += new_class_entry->name_length; - full_class_name[0] = 0; - opline->extended_value = ZEND_DECLARE_INHERITED_CLASS; - } else { - opline->op2.u.constant.value.str.val = estrndup(new_class_entry->name, new_class_entry->name_length); - opline->op2.u.constant.value.str.len = new_class_entry->name_length; - opline->extended_value = ZEND_DECLARE_CLASS; - } - - zend_hash_update(CG(class_table), opline->op1.u.constant.value.str.val, opline->op1.u.constant.value.str.len, &new_class_entry, sizeof(zend_class_entry *), NULL); - CG(active_class_entry) = new_class_entry; -} - - -void zend_do_end_class_declaration(znode *class_token TSRMLS_DC) -{ - do_inherit_parent_constructor(CG(active_class_entry)); - CG(active_class_entry) = class_token->u.previously_active_class_entry; - if (CG(active_ce_parent_class_name).value.str.val) { - efree(CG(active_ce_parent_class_name).value.str.val); - CG(active_ce_parent_class_name).value.str.val = NULL; - } -} - -void mangle_private_property_name(char **dest, int *dest_length, char *src1, int src1_length, char *src2, int src2_length) -{ - char *priv_name; - int priv_name_length; - - priv_name_length = 1 + src1_length + 1 + src2_length; - priv_name = emalloc(priv_name_length+1); - priv_name[0] = '\0'; - memcpy(priv_name + 1, src1, src1_length+1); - memcpy(priv_name + 1 + src1_length + 1, src2, src2_length+1); - - *dest = priv_name; - *dest_length = priv_name_length; -} - -void zend_do_declare_property(znode *var_name, znode *value, int declaration_type TSRMLS_DC) -{ - zval *property; - - ALLOC_ZVAL(property); - - if (value) { - *property = value->u.constant; - } else { - INIT_PZVAL(property); - property->type = IS_NULL; - } - - switch (declaration_type) { - case T_PRIVATE: - { - char *priv_name; - int priv_name_length; - - mangle_private_property_name(&priv_name, &priv_name_length, CG(active_class_entry)->name, CG(active_class_entry)->name_length, var_name->u.constant.value.str.val, var_name->u.constant.value.str.len); - zend_hash_update(&CG(active_class_entry)->default_properties, priv_name, priv_name_length+1, &property, sizeof(zval *), NULL); - efree(priv_name); - - property->refcount++; - zend_hash_update(&CG(active_class_entry)->private_properties, var_name->u.constant.value.str.val, var_name->u.constant.value.str.len+1, &property, sizeof(zval *), NULL); - break; - } - case T_VAR: - zend_hash_update(&CG(active_class_entry)->default_properties, var_name->u.constant.value.str.val, var_name->u.constant.value.str.len+1, &property, sizeof(zval *), NULL); - break; - case T_STATIC: - zend_hash_update(CG(active_class_entry)->static_members, var_name->u.constant.value.str.val, var_name->u.constant.value.str.len+1, &property, sizeof(zval *), NULL); - break; - case T_CONST: - zend_hash_update(&CG(active_class_entry)->constants_table, var_name->u.constant.value.str.val, var_name->u.constant.value.str.len+1, &property, sizeof(zval *), NULL); - break; - } - FREE_PNODE(var_name); -} - - -void zend_do_fetch_property(znode *result, znode *object, znode *property TSRMLS_DC) -{ - zend_op opline; - zend_llist *fetch_list_ptr; - - zend_stack_top(&CG(bp_stack), (void **) &fetch_list_ptr); - - if (fetch_list_ptr->count == 1) { - zend_llist_element *le; - zend_op *opline_ptr; - - le = fetch_list_ptr->head; - opline_ptr = (zend_op *) le->data; - if ((opline_ptr->op1.op_type == IS_CONST) && (opline_ptr->op1.u.constant.type == IS_STRING) && - (opline_ptr->op1.u.constant.value.str.len == (sizeof("this")-1)) && - !memcmp(opline_ptr->op1.u.constant.value.str.val, "this", sizeof("this"))) { - efree(opline_ptr->op1.u.constant.value.str.val); - opline_ptr->op1 = *property; - SET_UNUSED(opline_ptr->op2); - opline_ptr->op2.u.EA.type = ZEND_FETCH_FROM_THIS; - - if (CG(active_class_entry)) { - if ((opline_ptr->op1.op_type == IS_CONST) && zend_hash_exists(&CG(active_class_entry)->private_properties, opline_ptr->op1.u.constant.value.str.val, opline_ptr->op1.u.constant.value.str.len+1)) { - char *priv_name; - int priv_name_length; - - mangle_private_property_name(&priv_name, &priv_name_length, CG(active_class_entry)->name, CG(active_class_entry)->name_length, opline_ptr->op1.u.constant.value.str.val, opline_ptr->op1.u.constant.value.str.len); - - STR_FREE(opline_ptr->op1.u.constant.value.str.val); - opline_ptr->op1.u.constant.value.str.val = priv_name; - opline_ptr->op1.u.constant.value.str.len = priv_name_length; - } - } - *result = opline_ptr->result; - return; - } - } - - init_op(&opline TSRMLS_CC); - opline.opcode = ZEND_FETCH_OBJ_W; /* the backpatching routine assumes W */ - opline.result.op_type = IS_VAR; - opline.result.u.EA.type = 0; - opline.result.u.var = get_temporary_variable(CG(active_op_array)); - opline.op1 = *object; - opline. op2 = *property; - *result = opline.result; - - zend_llist_add_element(fetch_list_ptr, &opline); -} - - -void zend_do_push_object(znode *object TSRMLS_DC) -{ - zend_stack_push(&CG(object_stack), object, sizeof(znode)); -} - - -void zend_do_pop_object(znode *object TSRMLS_DC) -{ - znode *tmp; - - zend_stack_top(&CG(object_stack), (void **) &tmp); - *object = *tmp; - zend_stack_del_top(&CG(object_stack)); -} - - -void zend_do_begin_new_object(znode *new_token, znode *class_type TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - unsigned char *ptr = NULL; - - opline->opcode = ZEND_NEW; - opline->result.op_type = IS_VAR; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - opline->op1 = *class_type; - SET_UNUSED(opline->op2); - - new_token->u.opline_num = get_next_op_number(CG(active_op_array)); - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - opline->opcode = ZEND_JMP_NO_CTOR; - opline->op1 = (opline-1)->result; - SET_UNUSED(opline->op2); - - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - opline->opcode = ZEND_INIT_CTOR_CALL; - opline->op1 = (opline-2)->result; - SET_UNUSED(opline->op2); - - zend_stack_push(&CG(function_call_stack), (void *) &ptr, sizeof(unsigned char *)); -} - - -void zend_do_end_new_object(znode *result, znode *new_token, 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); - - CG(active_op_array)->opcodes[new_token->u.opline_num].op2.u.opline_num = get_next_op_number(CG(active_op_array)); - *result = CG(active_op_array)->opcodes[new_token->u.opline_num].op1; -} - - -void zend_do_fetch_constant(znode *result, znode *constant_container, znode *constant_name, int mode TSRMLS_DC) -{ - switch (mode) { - case ZEND_CT: - if (constant_container) { - do_fetch_class_name(NULL, constant_container, constant_name, 1 TSRMLS_CC); - *result = *constant_container; - } else { - *result = *constant_name; - } - result->u.constant.type = IS_CONSTANT; - break; - case ZEND_RT: - { - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_FETCH_CONSTANT; - opline->result.op_type = IS_TMP_VAR; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - if (constant_container) { - opline->op1 = *constant_container; - } else { - SET_UNUSED(opline->op1); - } - opline->op2 = *constant_name; - *result = opline->result; - } - break; - } -} - - -void zend_do_shell_exec(znode *result, znode *cmd TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - switch (cmd->op_type) { - case IS_TMP_VAR: - opline->opcode = ZEND_SEND_VAL; - break; - default: - opline->opcode = ZEND_SEND_VAR; - break; - } - opline->op1 = *cmd; - opline->op2.u.opline_num = 0; - 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.u.var = get_temporary_variable(CG(active_op_array)); - opline->result.op_type = IS_VAR; - opline->op1.u.constant.value.str.val = estrndup("shell_exec", sizeof("shell_exec")-1); - opline->op1.u.constant.value.str.len = sizeof("shell_exec")-1; - INIT_PZVAL(&opline->op1.u.constant); - opline->op1.u.constant.type = IS_STRING; - opline->op1.op_type = IS_CONST; - opline->extended_value = 1; - SET_UNUSED(opline->op2); - *result = opline->result; -} - - - -void zend_do_init_array(znode *result, znode *expr, znode *offset, zend_bool is_ref TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_INIT_ARRAY; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - opline->result.op_type = IS_TMP_VAR; - *result = opline->result; - if (expr) { - opline->op1 = *expr; - if (offset) { - opline->op2 = *offset; - } else { - SET_UNUSED(opline->op2); - } - } else { - SET_UNUSED(opline->op1); - SET_UNUSED(opline->op2); - } - opline->extended_value = is_ref; -} - - -void zend_do_add_array_element(znode *result, znode *expr, znode *offset, zend_bool is_ref TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_ADD_ARRAY_ELEMENT; - opline->result = *result; - opline->op1 = *expr; - if (offset) { - opline->op2 = *offset; - } else { - SET_UNUSED(opline->op2); - } - opline->extended_value = is_ref; -} - - - -void zend_do_add_static_array_element(znode *result, znode *offset, znode *expr) -{ - zval *element; - - ALLOC_ZVAL(element); - *element = expr->u.constant; - if (offset) { - switch (offset->u.constant.type) { - case IS_CONSTANT: - /* Ugly hack to denote that this value has a constant index */ - element->type |= IS_CONSTANT_INDEX; - /* break missing intentionally */ - case IS_STRING: - zend_hash_update(result->u.constant.value.ht, offset->u.constant.value.str.val, offset->u.constant.value.str.len+1, &element, sizeof(zval *), NULL); - zval_dtor(&offset->u.constant); - break; - case IS_LONG: - zend_hash_index_update(result->u.constant.value.ht, offset->u.constant.value.lval, &element, sizeof(zval *), NULL); - break; - } - } else { - zend_hash_next_index_insert(result->u.constant.value.ht, &element, sizeof(zval *), NULL); - } -} - - -void zend_do_add_list_element(znode *element TSRMLS_DC) -{ - list_llist_element lle; - - if (element) { - zend_check_writable_variable(element); - - lle.var = *element; - zend_llist_copy(&lle.dimensions, &CG(dimension_llist)); - zend_llist_prepend_element(&CG(list_llist), &lle); - } - (*((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), ¤t_dimension); -} - - -void zend_do_new_list_end(TSRMLS_D) -{ - zend_llist_remove_tail(&CG(dimension_llist)); - (*((int *)CG(dimension_llist).tail->data))++; -} - - -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); -} - - -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: - 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; - } - } else { - opline->opcode = ZEND_FETCH_DIM_R; - } - opline->result.op_type = IS_VAR; - opline->result.u.EA.type = 0; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - opline->op1 = last_container; - opline->op2.op_type = IS_CONST; - opline->op2.u.constant.type = IS_LONG; - opline->op2.u.constant.value.lval = *((int *) dimension->data); - INIT_PZVAL(&opline->op2.u.constant); - opline->extended_value = ZEND_FETCH_ADD_LOCK; - 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_end_variable_parse(BP_VAR_W, 0 TSRMLS_CC); - zend_do_assign(result, &((list_llist_element *) le->data)->var, &((list_llist_element *) le->data)->value TSRMLS_CC); - CG(active_op_array)->opcodes[CG(active_op_array)->last-1].result.u.EA.type |= EXT_TYPE_UNUSED; - le = le->next; - } - 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)); - } -} - - -void zend_do_fetch_global_or_static_variable(znode *varname, znode *static_assignment, int fetch_type TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - znode lval; - znode result; - - if (fetch_type==ZEND_FETCH_STATIC && static_assignment) { - zval *tmp; - - ALLOC_ZVAL(tmp); - convert_to_string(&varname->u.constant); - *tmp = static_assignment->u.constant; - if (!CG(active_op_array)->static_variables) { - 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, varname->u.constant.value.str.val, varname->u.constant.value.str.len+1, &tmp, sizeof(zval *), NULL); - } - - - opline->opcode = ZEND_FETCH_W; /* the default mode must be Write, since fetch_simple_variable() is used to define function arguments */ - opline->result.op_type = IS_VAR; - opline->result.u.EA.type = 0; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - opline->op1 = *varname; - SET_UNUSED(opline->op2); - opline->op2.u.EA.type = fetch_type; - result = opline->result; - - 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 */ - - zend_do_assign_ref(NULL, &lval, &result TSRMLS_CC); - CG(active_op_array)->opcodes[CG(active_op_array)->last-1].result.u.EA.type |= EXT_TYPE_UNUSED; -} - - -void zend_do_cast(znode *result, znode *expr, int type TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_CAST; - opline->result.op_type = IS_TMP_VAR; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - opline->op1 = *expr; - SET_UNUSED(opline->op2); - opline->extended_value = type; - *result = opline->result; -} - - -void zend_do_include_or_eval(int type, znode *result, znode *op1 TSRMLS_DC) -{ - zend_do_extended_fcall_begin(TSRMLS_C); - { - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_INCLUDE_OR_EVAL; - opline->result.op_type = IS_VAR; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - opline->op1 = *op1; - SET_UNUSED(opline->op2); - opline->op2.u.constant.value.lval = type; - *result = opline->result; - if (type==ZEND_REQUIRE) { - opline->result.u.EA.type |= EXT_TYPE_UNUSED; - } - } - zend_do_extended_fcall_end(TSRMLS_C); -} - - -void zend_do_indirect_references(znode *result, znode *num_references, znode *variable TSRMLS_DC) -{ - int i; - - zend_do_end_variable_parse(BP_VAR_R, 0 TSRMLS_CC); - for (i=1; i<num_references->u.constant.value.lval; 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); -} - - -void zend_do_unset(znode *variable, int type TSRMLS_DC) -{ - zend_op *last_op; - - zend_check_writable_variable(variable); - - last_op = &CG(active_op_array)->opcodes[get_next_op_number(CG(active_op_array))-1]; - - switch (last_op->opcode) { - case ZEND_FETCH_UNSET: - last_op->opcode = ZEND_UNSET_VAR; - break; - case ZEND_FETCH_DIM_UNSET: - case ZEND_FETCH_OBJ_UNSET: - last_op->opcode = ZEND_UNSET_DIM_OBJ; - break; - - } - last_op->extended_value = type; -} - - -void zend_do_isset_or_isempty(int type, znode *result, znode *variable TSRMLS_DC) -{ - zend_op *last_op; - - zend_do_end_variable_parse(BP_VAR_IS, 0 TSRMLS_CC); - - zend_check_writable_variable(variable); - - 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: - case ZEND_FETCH_OBJ_IS: - last_op->opcode = ZEND_ISSET_ISEMPTY_DIM_OBJ; - break; - } - last_op->result.op_type = IS_TMP_VAR; - last_op->extended_value = type; - - *result = last_op->result; -} - - -void zend_do_foreach_begin(znode *foreach_token, znode *array, znode *open_brackets_token, znode *as_token, int variable TSRMLS_DC) -{ - zend_op *opline; - zend_bool is_variable; - - if (variable) { - if (zend_is_function_or_method_call(array)) { - is_variable = 0; - } else { - is_variable = 1; - } - zend_do_end_variable_parse(BP_VAR_W, 0 TSRMLS_CC); - } else { - is_variable = 0; - } - - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - /* Preform array reset */ - opline->opcode = ZEND_FE_RESET; - opline->result.op_type = IS_VAR; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - opline->op1 = *array; - SET_UNUSED(opline->op2); - opline->extended_value = is_variable; - *open_brackets_token = opline->result; - - zend_stack_push(&CG(foreach_copy_stack), (void *) &opline->result, sizeof(znode)); - - /* save the location of the beginning of the loop (array fetching) */ - foreach_token->u.opline_num = get_next_op_number(CG(active_op_array)); - - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - opline->opcode = ZEND_FE_FETCH; - opline->result.op_type = IS_TMP_VAR; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - opline->op1 = *open_brackets_token; - SET_UNUSED(opline->op2); - *as_token = opline->result; -} - - -void zend_do_foreach_cont(znode *value, znode *key, znode *as_token TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - znode result_value, result_key, dummy; - - if (key->op_type != IS_UNUSED) { - znode *tmp; - - /* switch between the key and value... */ - tmp = key; - key = value; - value = tmp; - } - - opline->opcode = ZEND_FETCH_DIM_TMP_VAR; - opline->result.op_type = IS_VAR; - opline->result.u.EA.type = 0; - opline->result.u.opline_num = get_temporary_variable(CG(active_op_array)); - opline->op1 = *as_token; - opline->op2.op_type = IS_CONST; - opline->op2.u.constant.type = IS_LONG; - opline->op2.u.constant.value.lval = 0; - opline->extended_value = ZEND_FETCH_STANDARD; /* ignored in fetch_dim_tmp_var, but what the hell. */ - result_value = opline->result; - - if (key->op_type != IS_UNUSED) { - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - opline->opcode = ZEND_FETCH_DIM_TMP_VAR; - opline->result.op_type = IS_VAR; - opline->result.u.EA.type = 0; - opline->result.u.opline_num = get_temporary_variable(CG(active_op_array)); - opline->op1 = *as_token; - opline->op2.op_type = IS_CONST; - opline->op2.u.constant.type = IS_LONG; - opline->op2.u.constant.value.lval = 1; - opline->extended_value = ZEND_FETCH_STANDARD; /* ignored in fetch_dim_tmp_var, but what the hell. */ - result_key = opline->result; - } - - zend_do_assign(&dummy, value, &result_value TSRMLS_CC); - CG(active_op_array)->opcodes[CG(active_op_array)->last-1].result.u.EA.type |= EXT_TYPE_UNUSED; - if (key->op_type != IS_UNUSED) { - zend_do_assign(&dummy, key, &result_key TSRMLS_CC); - CG(active_op_array)->opcodes[CG(active_op_array)->last-1].result.u.EA.type |= EXT_TYPE_UNUSED; - } - zend_do_free(as_token TSRMLS_CC); - - do_begin_loop(TSRMLS_C); - INC_BPC(CG(active_op_array)); -} - - -void zend_do_foreach_end(znode *foreach_token, znode *open_brackets_token TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_JMP; - opline->op1.u.opline_num = foreach_token->u.opline_num; - SET_UNUSED(opline->op1); - SET_UNUSED(opline->op2); - - CG(active_op_array)->opcodes[foreach_token->u.opline_num].op2.u.opline_num = get_next_op_number(CG(active_op_array)); - - do_end_loop(foreach_token->u.opline_num TSRMLS_CC); - - generate_free_foreach_copy(open_brackets_token TSRMLS_CC); - - zend_stack_del_top(&CG(foreach_copy_stack)); - - DEC_BPC(CG(active_op_array)); -} - - -void zend_do_declare_begin(TSRMLS_D) -{ - zend_stack_push(&CG(declare_stack), &CG(declarables), sizeof(zend_declarables)); -} - - -void zend_do_declare_stmt(znode *var, znode *val TSRMLS_DC) -{ - convert_to_string(&var->u.constant); - - if (!zend_binary_strcasecmp(var->u.constant.value.str.val, var->u.constant.value.str.len, "ticks", sizeof("ticks")-1)) { - convert_to_long(&val->u.constant); - CG(declarables).ticks = val->u.constant; - } - zval_dtor(&var->u.constant); -} - - -void zend_do_declare_end(TSRMLS_D) -{ - zend_declarables *declarables; - - zend_stack_top(&CG(declare_stack), (void **) &declarables); - CG(declarables) = *declarables; -} - - -void zend_do_end_heredoc(TSRMLS_D) -{ - int opline_num = get_next_op_number(CG(active_op_array))-1; - zend_op *opline = &CG(active_op_array)->opcodes[opline_num]; - - if (opline->opcode != ZEND_ADD_STRING) { - return; - } - - opline->op2.u.constant.value.str.val[(opline->op2.u.constant.value.str.len--)-1] = 0; - if (opline->op2.u.constant.value.str.len>0) { - if (opline->op2.u.constant.value.str.val[opline->op2.u.constant.value.str.len-1]=='\r') { - opline->op2.u.constant.value.str.val[(opline->op2.u.constant.value.str.len--)-1] = 0; - } - } -} - - -void zend_do_exit(znode *result, znode *message TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_EXIT; - opline->op1 = *message; - SET_UNUSED(opline->op2); - - result->op_type = IS_CONST; - result->u.constant.type = IS_BOOL; - result->u.constant.value.lval = 1; -} - - -void zend_do_begin_silence(znode *strudel_token TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_BEGIN_SILENCE; - opline->result.op_type = IS_TMP_VAR; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - SET_UNUSED(opline->op1); - SET_UNUSED(opline->op2); - *strudel_token = opline->result; -} - - -void zend_do_end_silence(znode *strudel_token TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_END_SILENCE; - opline->op1 = *strudel_token; - SET_UNUSED(opline->op2); -} - - -void zend_do_begin_qm_op(znode *cond, znode *qm_token TSRMLS_DC) -{ - int jmpz_op_number = get_next_op_number(CG(active_op_array)); - zend_op *opline; - - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_JMPZ; - opline->op1 = *cond; - SET_UNUSED(opline->op2); - opline->op2.u.opline_num = jmpz_op_number; - *qm_token = opline->op2; - - INC_BPC(CG(active_op_array)); -} - - -void zend_do_qm_true(znode *true_value, znode *qm_token, znode *colon_token TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - CG(active_op_array)->opcodes[qm_token->u.opline_num].op2.u.opline_num = get_next_op_number(CG(active_op_array))+1; /* jmp over the ZEND_JMP */ - - opline->opcode = ZEND_QM_ASSIGN; - opline->result.op_type = IS_TMP_VAR; - opline->result.u.var = get_temporary_variable(CG(active_op_array)); - opline->op1 = *true_value; - SET_UNUSED(opline->op2); - - *qm_token = opline->result; - colon_token->u.opline_num = get_next_op_number(CG(active_op_array)); - - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - opline->opcode = ZEND_JMP; - SET_UNUSED(opline->op1); - SET_UNUSED(opline->op2); -} - - -void zend_do_qm_false(znode *result, znode *false_value, znode *qm_token, znode *colon_token TSRMLS_DC) -{ - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_QM_ASSIGN; - opline->result = *qm_token; - opline->op1 = *false_value; - SET_UNUSED(opline->op2); - - CG(active_op_array)->opcodes[colon_token->u.opline_num].op1.u.opline_num = get_next_op_number(CG(active_op_array)); - - *result = opline->result; - - DEC_BPC(CG(active_op_array)); -} - - -void zend_do_extended_info(TSRMLS_D) -{ - zend_op *opline; - - if (!CG(extended_info)) { - return; - } - - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_EXT_STMT; - SET_UNUSED(opline->op1); - SET_UNUSED(opline->op2); -} - - -void zend_do_extended_fcall_begin(TSRMLS_D) -{ - zend_op *opline; - - if (!CG(extended_info)) { - return; - } - - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_EXT_FCALL_BEGIN; - SET_UNUSED(opline->op1); - SET_UNUSED(opline->op2); -} - - -void zend_do_extended_fcall_end(TSRMLS_D) -{ - zend_op *opline; - - if (!CG(extended_info)) { - return; - } - - opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_EXT_FCALL_END; - SET_UNUSED(opline->op1); - SET_UNUSED(opline->op2); -} - - -void zend_do_ticks(TSRMLS_D) -{ - if (CG(declarables).ticks.value.lval) { - zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC); - - opline->opcode = ZEND_TICKS; - opline->op1.u.constant = CG(declarables).ticks; - opline->op1.op_type = IS_CONST; - SET_UNUSED(opline->op2); - } -} - - -int zend_register_auto_global(char *name, uint name_len TSRMLS_DC) -{ - return zend_hash_add_empty_element(CG(auto_globals), name, name_len+1); -} - - -int zendlex(znode *zendlval TSRMLS_DC) -{ - int retval; - - if (CG(increment_lineno)) { - CG(zend_lineno)++; - CG(increment_lineno) = 0; - } - - zendlval->u.constant.type = IS_LONG; - retval = lex_scan(&zendlval->u.constant TSRMLS_CC); - switch(retval) { - case T_COMMENT: - case T_OPEN_TAG: - case T_WHITESPACE: - retval = zendlex(zendlval TSRMLS_CC); - break; - case T_CLOSE_TAG: - if (LANG_SCNG(yy_text)[LANG_SCNG(yy_leng)-1]=='\n' - || (LANG_SCNG(yy_text)[LANG_SCNG(yy_leng)-2]=='\r' && 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; - case T_END_HEREDOC: - efree(zendlval->u.constant.value.str.val); - break; - } - - INIT_PZVAL(&zendlval->u.constant); - zendlval->op_type = IS_CONST; - return retval; -} |