diff options
Diffstat (limited to 'Zend/zend_execute.c')
| -rw-r--r-- | Zend/zend_execute.c | 1484 |
1 files changed, 0 insertions, 1484 deletions
diff --git a/Zend/zend_execute.c b/Zend/zend_execute.c deleted file mode 100644 index d3ae96caf5..0000000000 --- a/Zend/zend_execute.c +++ /dev/null @@ -1,1484 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | Zend Engine | - +----------------------------------------------------------------------+ - | Copyright (c) 1998-2004 Zend Technologies Ltd. (http://www.zend.com) | - +----------------------------------------------------------------------+ - | This source file is subject to version 2.00 of the Zend license, | - | that is bundled with this package in the file LICENSE, and is | - | available through the world-wide-web at the following url: | - | http://www.zend.com/license/2_00.txt. | - | If you did not receive a copy of the Zend license and are unable to | - | obtain it through the world-wide-web, please send a note to | - | license@zend.com so we can mail you a copy immediately. | - +----------------------------------------------------------------------+ - | Authors: Andi Gutmans <andi@zend.com> | - | Zeev Suraski <zeev@zend.com> | - +----------------------------------------------------------------------+ -*/ - -/* $Id$ */ - -#define ZEND_INTENSIVE_DEBUGGING 0 - -#include <stdio.h> -#include <signal.h> - -#include "zend.h" -#include "zend_compile.h" -#include "zend_execute.h" -#include "zend_API.h" -#include "zend_ptr_stack.h" -#include "zend_constants.h" -#include "zend_extensions.h" -#include "zend_fast_cache.h" -#include "zend_ini.h" -#include "zend_exceptions.h" -#include "zend_vm.h" - -#define _CONST_CODE 0 -#define _TMP_CODE 1 -#define _VAR_CODE 2 -#define _UNUSED_CODE 3 -#define _CV_CODE 4 - -#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !defined(DARWIN) && !defined(__sun__) && !defined(ZEND_VM_OLD_EXECUTOR) -# define ZEND_VM_ALWAYS_INLINE __attribute__ ((always_inline)) -void zend_error_noreturn(int type, const char *format, ...) __attribute__ ((alias("zend_error"),noreturn)); -/*extern void zend_error_noreturn(int type, const char *format, ...) __asm__("zend_error") __attribute__ ((noreturn));*/ -#else -# define ZEND_VM_ALWAYS_INLINE -# define zend_error_noreturn zend_error -#endif - -typedef int (*incdec_t)(zval *); - -#define get_zval_ptr(node, Ts, should_free, type) _get_zval_ptr(node, Ts, should_free, type TSRMLS_CC) -#define get_zval_ptr_ptr(node, Ts, should_free, type) _get_zval_ptr_ptr(node, Ts, should_free, type TSRMLS_CC) -#define get_obj_zval_ptr(node, Ts, should_free, type) _get_obj_zval_ptr(node, Ts, should_free, type TSRMLS_CC) -#define get_obj_zval_ptr_ptr(node, Ts, should_free, type) _get_obj_zval_ptr_ptr(node, Ts, should_free, type TSRMLS_CC) - -/* Prototypes */ -static void zend_extension_statement_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC); -static void zend_extension_fcall_begin_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC); -static void zend_extension_fcall_end_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC); - -#define RETURN_VALUE_USED(opline) (!((opline)->result.u.EA.type & EXT_TYPE_UNUSED)) - -#define EX_T(offset) (*(temp_variable *)((char *) EX(Ts) + offset)) -#define T(offset) (*(temp_variable *)((char *) Ts + offset)) - -#define TEMP_VAR_STACK_LIMIT 2000 - -/* former zend_execute_locks.h */ -typedef struct _zend_free_op { - zval* var; -/* int is_var; */ -} zend_free_op; - -static inline void zend_pzval_unlock_func(zval *z, zend_free_op *should_free) -{ - if (!--z->refcount) { - z->refcount = 1; - z->is_ref = 0; - should_free->var = z; -/* should_free->is_var = 1; */ - } else { - should_free->var = 0; - } -} - -static inline void zend_pzval_unlock_free_func(zval *z) -{ - if (!--z->refcount) { - zval_dtor(z); - safe_free_zval_ptr(z); - } -} - -#define PZVAL_UNLOCK(z, f) zend_pzval_unlock_func(z, f) -#define PZVAL_UNLOCK_FREE(z) zend_pzval_unlock_free_func(z) -#define PZVAL_LOCK(z) (z)->refcount++ -#define RETURN_VALUE_UNUSED(pzn) (((pzn)->u.EA.type & EXT_TYPE_UNUSED)) -#define SELECTIVE_PZVAL_LOCK(pzv, pzn) if (!RETURN_VALUE_UNUSED(pzn)) { PZVAL_LOCK(pzv); } - -#define AI_USE_PTR(ai) \ - if ((ai).ptr_ptr) { \ - (ai).ptr = *((ai).ptr_ptr); \ - (ai).ptr_ptr = &((ai).ptr); \ - } else { \ - (ai).ptr = NULL; \ - } - -#define FREE_OP(should_free) \ - if (should_free.var) { \ - if ((long)should_free.var & 1L) { \ - zval_dtor((zval*)((long)should_free.var & ~1L)); \ - } else { \ - zval_ptr_dtor(&should_free.var); \ - } \ - } - -#define FREE_OP_IF_VAR(should_free) \ - if (should_free.var != NULL && (((long)should_free.var & 1L) == 0)) { \ - zval_ptr_dtor(&should_free.var); \ - } - -#define FREE_OP_VAR_PTR(should_free) \ - if (should_free.var) { \ - zval_ptr_dtor(&should_free.var); \ - } - -#define TMP_FREE(z) (zval*)(((long)(z)) | 1L) - -#define IS_TMP_FREE(should_free) ((long)should_free.var & 1L) - -#define INIT_PZVAL_COPY(z,v) \ - (z)->value = (v)->value; \ - (z)->type = (v)->type; \ - (z)->refcount = 1; \ - (z)->is_ref = 0; - -#define MAKE_REAL_ZVAL_PTR(val) \ - do { \ - zval *_tmp; \ - ALLOC_ZVAL(_tmp); \ - _tmp->value = (val)->value; \ - _tmp->type = (val)->type; \ - _tmp->refcount = 1; \ - _tmp->is_ref = 0; \ - val = _tmp; \ - } while (0) - -/* End of zend_execute_locks.h */ - -#define CV_OF(i) (EG(current_execute_data)->CVs[i]) -#define CV_DEF_OF(i) (EG(active_op_array)->vars[i]) - -ZEND_API zval** zend_get_compiled_variable_value(zend_execute_data *execute_data_ptr, zend_uint var) -{ - return execute_data_ptr->CVs[var]; -} - -static inline void zend_get_cv_address(zend_compiled_variable *cv, zval ***ptr, temp_variable *Ts TSRMLS_DC) -{ - zval *new_zval = &EG(uninitialized_zval); - - new_zval->refcount++; - zend_hash_quick_update(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, &new_zval, sizeof(zval *), (void **)ptr); -} - -static inline zval *_get_zval_ptr_var(znode *node, temp_variable *Ts, zend_free_op *should_free TSRMLS_DC) -{ - if (T(node->u.var).var.ptr) { - PZVAL_UNLOCK(T(node->u.var).var.ptr, should_free); - return T(node->u.var).var.ptr; - } else { - temp_variable *T = &T(node->u.var); - zval *str = T->str_offset.str; - zval *ptr; - - /* string offset */ - ALLOC_ZVAL(ptr); - T->str_offset.ptr = ptr; - should_free->var = ptr; - - if (T->str_offset.str->type != IS_STRING - || ((int)T->str_offset.offset<0) - || (T->str_offset.str->value.str.len <= T->str_offset.offset)) { - zend_error(E_NOTICE, "Uninitialized string offset: %d", T->str_offset.offset); - ptr->value.str.val = STR_EMPTY_ALLOC(); - ptr->value.str.len = 0; - } else { - char c = str->value.str.val[T->str_offset.offset]; - - ptr->value.str.val = estrndup(&c, 1); - ptr->value.str.len = 1; - } - PZVAL_UNLOCK_FREE(str); - ptr->refcount=1; - ptr->is_ref=1; - ptr->type = IS_STRING; - return ptr; - } -} - -static inline zval *_get_zval_ptr(znode *node, temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC) -{ -/* should_free->is_var = 0; */ - switch (node->op_type) { - case IS_CONST: - should_free->var = 0; - return &node->u.constant; - break; - case IS_TMP_VAR: - should_free->var = TMP_FREE(&T(node->u.var).tmp_var); - return &T(node->u.var).tmp_var; - break; - case IS_VAR: - return _get_zval_ptr_var(node, Ts, should_free TSRMLS_CC); - break; - case IS_UNUSED: - should_free->var = 0; - return NULL; - break; - case IS_CV: { - zval ***ptr = &CV_OF(node->u.var); - - should_free->var = 0; - if (!*ptr) { - zend_compiled_variable *cv = &CV_DEF_OF(node->u.var); - if (zend_hash_quick_find(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, (void **)ptr)==FAILURE) { - switch (type) { - case BP_VAR_R: - case BP_VAR_UNSET: - zend_error(E_NOTICE, "Undefined variable: %s", cv->name); - /* break missing intentionally */ - case BP_VAR_IS: - return &EG(uninitialized_zval); - break; - case BP_VAR_RW: - zend_error(E_NOTICE, "Undefined variable: %s", cv->name); - /* break missing intentionally */ - case BP_VAR_W: - zend_get_cv_address(cv, ptr, Ts TSRMLS_CC); - break; - } - } - } - return **ptr; - break; - } - EMPTY_SWITCH_DEFAULT_CASE() - } - return NULL; -} - -static inline zval **_get_zval_ptr_ptr(znode *node, temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC) -{ - if (node->op_type == IS_CV) { - zval ***ptr = &CV_OF(node->u.var); - - should_free->var = 0; - if (!*ptr) { - zend_compiled_variable *cv = &CV_DEF_OF(node->u.var); - if (zend_hash_quick_find(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, (void **)ptr)==FAILURE) { - switch (type) { - case BP_VAR_R: - case BP_VAR_UNSET: - zend_error(E_NOTICE, "Undefined variable: %s", cv->name); - /* break missing intentionally */ - case BP_VAR_IS: - return &EG(uninitialized_zval_ptr); - break; - case BP_VAR_RW: - zend_error(E_NOTICE, "Undefined variable: %s", cv->name); - /* break missing intentionally */ - case BP_VAR_W: - zend_get_cv_address(cv, ptr, Ts TSRMLS_CC); - break; - } - } - } - return *ptr; - } else if (node->op_type == IS_VAR) { - if (T(node->u.var).var.ptr_ptr) { - PZVAL_UNLOCK(*T(node->u.var).var.ptr_ptr, should_free); - return T(node->u.var).var.ptr_ptr; - } else { - /* string offset */ - PZVAL_UNLOCK(T(node->u.var).str_offset.str, should_free); - return NULL; - } - } else { - should_free->var = 0; - return NULL; - } -} - -static inline zval *_get_zval_ptr_const(znode *node, temp_variable *Ts, zend_free_op *should_free TSRMLS_DC) -{ - return &node->u.constant; -} - -static inline zval *_get_zval_ptr_tmp(znode *node, temp_variable *Ts, zend_free_op *should_free TSRMLS_DC) -{ - return should_free->var = &T(node->u.var).tmp_var; -} - -static inline zval *_get_zval_ptr_cv(znode *node, temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC) -{ - zval ***ptr = &CV_OF(node->u.var); - - should_free->var = 0; - if (!*ptr) { - zend_compiled_variable *cv = &CV_DEF_OF(node->u.var); - if (zend_hash_quick_find(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, (void **)ptr)==FAILURE) { - switch (type) { - case BP_VAR_R: - case BP_VAR_UNSET: - zend_error(E_NOTICE, "Undefined variable: %s", cv->name); - /* break missing intentionally */ - case BP_VAR_IS: - return &EG(uninitialized_zval); - break; - case BP_VAR_RW: - zend_error(E_NOTICE, "Undefined variable: %s", cv->name); - /* break missing intentionally */ - case BP_VAR_W: - zend_get_cv_address(cv, ptr, Ts TSRMLS_CC); - break; - } - } - } - return **ptr; -} - -static inline zval *_get_zval_ptr_unused(znode *node, temp_variable *Ts, zend_free_op *should_free TSRMLS_DC) -{ - return NULL; -} - -static inline zval **_get_zval_ptr_ptr_const(znode *node, temp_variable *Ts, zend_free_op *should_free TSRMLS_DC) -{ - return NULL; -} - -static inline zval **_get_zval_ptr_ptr_tmp(znode *node, temp_variable *Ts, zend_free_op *should_free TSRMLS_DC) -{ - return NULL; -} - -static inline zval **_get_zval_ptr_ptr_var(znode *node, temp_variable *Ts, zend_free_op *should_free TSRMLS_DC) -{ - if (T(node->u.var).var.ptr_ptr) { - PZVAL_UNLOCK(*T(node->u.var).var.ptr_ptr, should_free); - } else { - /* string offset */ - PZVAL_UNLOCK(T(node->u.var).str_offset.str, should_free); - } - return T(node->u.var).var.ptr_ptr; -} - -static inline zval **_get_zval_ptr_ptr_unused(znode *node, temp_variable *Ts, zend_free_op *should_free TSRMLS_DC) -{ - return NULL; -} - -static inline zval **_get_zval_ptr_ptr_cv(znode *node, temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC) -{ - zval ***ptr = &CV_OF(node->u.var); - - should_free->var = 0; - if (!*ptr) { - zend_compiled_variable *cv = &CV_DEF_OF(node->u.var); - if (zend_hash_quick_find(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, (void **)ptr)==FAILURE) { - switch (type) { - case BP_VAR_R: - case BP_VAR_UNSET: - zend_error(E_NOTICE, "Undefined variable: %s", cv->name); - /* break missing intentionally */ - case BP_VAR_IS: - return &EG(uninitialized_zval_ptr); - break; - case BP_VAR_RW: - zend_error(E_NOTICE, "Undefined variable: %s", cv->name); - /* break missing intentionally */ - case BP_VAR_W: - zend_get_cv_address(cv, ptr, Ts TSRMLS_CC); - break; - } - } - } - return *ptr; -} - -static inline zval *_get_obj_zval_ptr_const(znode *op, temp_variable *Ts, zend_free_op *should_free TSRMLS_DC) -{ - return _get_zval_ptr_const(op, Ts, should_free TSRMLS_CC); -} - -static inline zval *_get_obj_zval_ptr_tmp(znode *op, temp_variable *Ts, zend_free_op *should_free TSRMLS_DC) -{ - return _get_zval_ptr_tmp(op, Ts, should_free TSRMLS_CC); -} - -static inline zval *_get_obj_zval_ptr_var(znode *op, temp_variable *Ts, zend_free_op *should_free TSRMLS_DC) -{ - return _get_zval_ptr_var(op, Ts, should_free TSRMLS_CC); -} - -static inline zval *_get_obj_zval_ptr_cv(znode *op, temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC) -{ - return _get_zval_ptr_cv(op, Ts, should_free, type TSRMLS_CC); -} - -static inline zval *_get_obj_zval_ptr_unused(znode *op, temp_variable *Ts, zend_free_op *should_free TSRMLS_DC) -{ - if (EG(This)) { - return EG(This); - } else { - zend_error_noreturn(E_ERROR, "Using $this when not in object context"); - return NULL; - } -} - -static inline zval **_get_obj_zval_ptr_ptr_const(znode *op, temp_variable *Ts, zend_free_op *should_free TSRMLS_DC) -{ - return _get_zval_ptr_ptr_const(op, Ts, should_free TSRMLS_CC); -} - -static inline zval **_get_obj_zval_ptr_ptr_tmp(znode *op, temp_variable *Ts, zend_free_op *should_free TSRMLS_DC) -{ - return _get_zval_ptr_ptr_tmp(op, Ts, should_free TSRMLS_CC); -} - -static inline zval **_get_obj_zval_ptr_ptr_var(znode *op, temp_variable *Ts, zend_free_op *should_free TSRMLS_DC) -{ - return _get_zval_ptr_ptr_var(op, Ts, should_free TSRMLS_CC); -} - -static inline zval **_get_obj_zval_ptr_ptr_cv(znode *op, temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC) -{ - return _get_zval_ptr_ptr_cv(op, Ts, should_free, type TSRMLS_CC); -} - -static inline zval **_get_obj_zval_ptr_ptr_unused(znode *op, temp_variable *Ts, zend_free_op *should_free TSRMLS_DC) -{ - if (EG(This)) { - return &EG(This); - } else { - zend_error_noreturn(E_ERROR, "Using $this when not in object context"); - return NULL; - } -} - -static inline void zend_switch_free(zend_op *opline, temp_variable *Ts TSRMLS_DC) -{ - switch (opline->op1.op_type) { - case IS_VAR: - if (!T(opline->op1.u.var).var.ptr_ptr) { - temp_variable *T = &T(opline->op1.u.var); - /* perform the equivalent of equivalent of a - * quick & silent get_zval_ptr, and FREE_OP - */ - PZVAL_UNLOCK_FREE(T->str_offset.str); - } else { - zval_ptr_dtor(&T(opline->op1.u.var).var.ptr); - if (opline->extended_value) { /* foreach() free */ - zval_ptr_dtor(&T(opline->op1.u.var).var.ptr); - } - } - break; - case IS_TMP_VAR: - zendi_zval_dtor(T(opline->op1.u.var).tmp_var); - break; - EMPTY_SWITCH_DEFAULT_CASE() - } -} - -static void zend_assign_to_variable_reference(zval **variable_ptr_ptr, zval **value_ptr_ptr TSRMLS_DC) -{ - zval *variable_ptr; - zval *value_ptr; - - if (!value_ptr_ptr || !variable_ptr_ptr) { - zend_error_noreturn(E_ERROR, "Cannot create references to/from string offsets nor overloaded objects"); - return; - } - - variable_ptr = *variable_ptr_ptr; - value_ptr = *value_ptr_ptr; - - if (variable_ptr == EG(error_zval_ptr) || value_ptr==EG(error_zval_ptr)) { - variable_ptr_ptr = &EG(uninitialized_zval_ptr); - } else if (variable_ptr != value_ptr) { - variable_ptr->refcount--; - if (variable_ptr->refcount==0) { - zendi_zval_dtor(*variable_ptr); - FREE_ZVAL(variable_ptr); - } - - if (!PZVAL_IS_REF(value_ptr)) { - /* break it away */ - value_ptr->refcount--; - if (value_ptr->refcount>0) { - ALLOC_ZVAL(*value_ptr_ptr); - **value_ptr_ptr = *value_ptr; - value_ptr = *value_ptr_ptr; - zendi_zval_copy_ctor(*value_ptr); - } - value_ptr->refcount = 1; - value_ptr->is_ref = 1; - } - - *variable_ptr_ptr = value_ptr; - value_ptr->refcount++; - } else if (!variable_ptr->is_ref) { - if (variable_ptr_ptr == value_ptr_ptr) { - SEPARATE_ZVAL(variable_ptr_ptr); - } else if (variable_ptr==EG(uninitialized_zval_ptr) - || variable_ptr->refcount>2) { - /* we need to separate */ - variable_ptr->refcount -= 2; - ALLOC_ZVAL(*variable_ptr_ptr); - **variable_ptr_ptr = *variable_ptr; - zval_copy_ctor(*variable_ptr_ptr); - *value_ptr_ptr = *variable_ptr_ptr; - (*variable_ptr_ptr)->refcount = 2; - } - (*variable_ptr_ptr)->is_ref = 1; - } -} - -static inline void make_real_object(zval **object_ptr TSRMLS_DC) -{ -/* this should modify object only if it's empty */ - if ((*object_ptr)->type == IS_NULL - || ((*object_ptr)->type == IS_BOOL && (*object_ptr)->value.lval==0) - || ((*object_ptr)->type == IS_STRING && (*object_ptr)->value.str.len == 0)) { - if (!PZVAL_IS_REF(*object_ptr)) { - SEPARATE_ZVAL(object_ptr); - } - zend_error(E_STRICT, "Creating default object from empty value"); - object_init(*object_ptr); - } -} - -static inline zval **_get_obj_zval_ptr_ptr(znode *op, temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC) -{ - if (op->op_type == IS_UNUSED) { - if (EG(This)) { - /* this should actually never be modified, _ptr_ptr is modified only when - the object is empty */ - should_free->var = 0; - return &EG(This); - } else { - zend_error_noreturn(E_ERROR, "Using $this when not in object context"); - } - } - return get_zval_ptr_ptr(op, Ts, should_free, type); -} - -static inline zval *_get_obj_zval_ptr(znode *op, temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC) -{ - if (op->op_type == IS_UNUSED) { - if (EG(This)) { - should_free->var = 0; - return EG(This); - } else { - zend_error_noreturn(E_ERROR, "Using $this when not in object context"); - } - } - return get_zval_ptr(op, Ts, should_free, type); -} - - -static inline void zend_verify_arg_type(zend_function *zf, zend_uint arg_num, zval *arg TSRMLS_DC) -{ - zend_arg_info *cur_arg_info; - - if (!zf->common.arg_info - || arg_num>zf->common.num_args) { - return; - } - - cur_arg_info = &zf->common.arg_info[arg_num-1]; - - if (cur_arg_info->class_name) { - if (!arg) { - zend_error_noreturn(E_ERROR, "Argument %d must be an object of class %s", arg_num, cur_arg_info->class_name); - } - switch (Z_TYPE_P(arg)) { - case IS_NULL: - if (!cur_arg_info->allow_null) { - zend_error_noreturn(E_ERROR, "Argument %d must not be null", arg_num); - } - break; - case IS_OBJECT: { - zend_class_entry *ce = zend_fetch_class(cur_arg_info->class_name, cur_arg_info->class_name_len, ZEND_FETCH_CLASS_AUTO TSRMLS_CC); - if (!instanceof_function(Z_OBJCE_P(arg), ce TSRMLS_CC)) { - char *error_msg; - - if (ce->ce_flags & ZEND_ACC_INTERFACE) { - error_msg = "implement interface"; - } else { - error_msg = "be an instance of"; - } - zend_error_noreturn(E_ERROR, "Argument %d must %s %s", arg_num, error_msg, ce->name); - } - } - break; - default: - zend_error_noreturn(E_ERROR, "Argument %d must be an object of class %s", arg_num, cur_arg_info->class_name); - break; - } - } else if (cur_arg_info->array_type_hint) { - if (!arg) { - zend_error_noreturn(E_ERROR, "Argument %d must be an array", arg_num); - } - switch (Z_TYPE_P(arg)) { - case IS_NULL: - if (!cur_arg_info->allow_null) { - zend_error_noreturn(E_ERROR, "Argument %d must not be null", arg_num); - } - break; - case IS_ARRAY: - break; - default: - zend_error_noreturn(E_ERROR, "Argument %d must be an array", arg_num); - break; - } - } -} - - -static inline void zend_assign_to_object(znode *result, zval **object_ptr, znode *op2, znode *value_op, temp_variable *Ts, int opcode TSRMLS_DC) -{ - zval *object; - zend_free_op free_op2, free_value; - zval *property_name = get_zval_ptr(op2, Ts, &free_op2, BP_VAR_R); - zval *value = get_zval_ptr(value_op, Ts, &free_value, BP_VAR_R); - zval **retval = &T(result->u.var).var.ptr; - - make_real_object(object_ptr TSRMLS_CC); /* this should modify object only if it's empty */ - object = *object_ptr; - - if (object->type != IS_OBJECT || (opcode == ZEND_ASSIGN_OBJ && !Z_OBJ_HT_P(object)->write_property)) { - zend_error(E_WARNING, "Attempt to assign property of non-object"); - FREE_OP(free_op2); - if (!RETURN_VALUE_UNUSED(result)) { - *retval = EG(uninitialized_zval_ptr); - PZVAL_LOCK(*retval); - } - FREE_OP(free_value); - return; - } - - /* here we are sure we are dealing with an object */ - - /* separate our value if necessary */ - if (EG(ze1_compatibility_mode) && Z_TYPE_P(value) == IS_OBJECT) { - zval *orig_value = value; - - ALLOC_ZVAL(value); - *value = *orig_value; - value->is_ref = 0; - value->refcount = 0; - if (Z_OBJ_HANDLER_P(value, clone_obj) == NULL) { - zend_error_noreturn(E_ERROR, "Trying to clone an uncloneable object of class %s", Z_OBJCE_P(orig_value)->name); - } - zend_error(E_STRICT, "Implicit cloning object of class '%s' because of 'zend.ze1_compatibility_mode'", Z_OBJCE_P(orig_value)->name); - value->value.obj = Z_OBJ_HANDLER_P(orig_value, clone_obj)(orig_value TSRMLS_CC); - } else if (value_op->op_type == IS_TMP_VAR) { - zval *orig_value = value; - - ALLOC_ZVAL(value); - *value = *orig_value; - value->is_ref = 0; - value->refcount = 0; - } else if (value_op->op_type == IS_CONST) { - zval *orig_value = value; - - ALLOC_ZVAL(value); - *value = *orig_value; - value->is_ref = 0; - value->refcount = 0; - zval_copy_ctor(value); - } - - - value->refcount++; - if (opcode == ZEND_ASSIGN_OBJ) { - if (IS_TMP_FREE(free_op2)) { - MAKE_REAL_ZVAL_PTR(property_name); - } - Z_OBJ_HT_P(object)->write_property(object, property_name, value TSRMLS_CC); - } else { - /* Note: property_name in this case is really the array index! */ - if (!Z_OBJ_HT_P(object)->write_dimension) { - zend_error_noreturn(E_ERROR, "Cannot use object as array"); - } - if (IS_TMP_FREE(free_op2)) { - MAKE_REAL_ZVAL_PTR(property_name); - } - Z_OBJ_HT_P(object)->write_dimension(object, property_name, value TSRMLS_CC); - } - - if (result && !RETURN_VALUE_UNUSED(result)) { - T(result->u.var).var.ptr = value; - T(result->u.var).var.ptr_ptr = &T(result->u.var).var.ptr; /* this is so that we could use it in FETCH_DIM_R, etc. - see bug #27876 */ - PZVAL_LOCK(value); - } - if (IS_TMP_FREE(free_op2)) { - zval_ptr_dtor(&property_name); - } else { - FREE_OP(free_op2); - } - zval_ptr_dtor(&value); - FREE_OP_IF_VAR(free_value); -} - - -static inline void zend_assign_to_variable(znode *result, znode *op1, znode *op2, zval *value, int type, temp_variable *Ts TSRMLS_DC) -{ - zend_free_op free_op1; - zval **variable_ptr_ptr = get_zval_ptr_ptr(op1, Ts, &free_op1, BP_VAR_W); - zval *variable_ptr; - - if (!variable_ptr_ptr) { - temp_variable *T = &T(op1->u.var); - - if (T->str_offset.str->type == IS_STRING) do { - zval tmp; - zval *final_value = value; - - if (((int)T->str_offset.offset < 0)) { - zend_error(E_WARNING, "Illegal string offset: %d", T->str_offset.offset); - break; - } - if (T->str_offset.offset >= T->str_offset.str->value.str.len) { - zend_uint i; - - if (T->str_offset.str->value.str.len==0) { - STR_FREE(T->str_offset.str->value.str.val); - T->str_offset.str->value.str.val = (char *) emalloc(T->str_offset.offset+1+1); - } else { - T->str_offset.str->value.str.val = (char *) erealloc(T->str_offset.str->value.str.val, T->str_offset.offset+1+1); - } - for (i=T->str_offset.str->value.str.len; i<T->str_offset.offset; i++) { - T->str_offset.str->value.str.val[i] = ' '; - } - T->str_offset.str->value.str.val[T->str_offset.offset+1] = 0; - T->str_offset.str->value.str.len = T->str_offset.offset+1; - } - - if (value->type!=IS_STRING) { - tmp = *value; - if (op2->op_type & (IS_VAR|IS_CV)) { - zval_copy_ctor(&tmp); - } - convert_to_string(&tmp); - final_value = &tmp; - } - - T->str_offset.str->value.str.val[T->str_offset.offset] = final_value->value.str.val[0]; - - if (op2->op_type == IS_TMP_VAR) { - if (final_value == &T(op2->u.var).tmp_var) { - /* we can safely free final_value here - * because separation is done only - * in case op2->op_type == IS_VAR */ - STR_FREE(final_value->value.str.val); - } - } - if (final_value == &tmp) { - zval_dtor(final_value); - } - /* - * the value of an assignment to a string offset is undefined - T(result->u.var).var = &T->str_offset.str; - */ - } while (0); - /* zval_ptr_dtor(&T->str_offset.str); Nuke this line if it doesn't cause a leak */ - -/* T(result->u.var).var.ptr_ptr = &EG(uninitialized_zval_ptr); */ - if (!RETURN_VALUE_UNUSED(result)) { - T(result->u.var).var.ptr_ptr = &value; - PZVAL_LOCK(*T(result->u.var).var.ptr_ptr); - AI_USE_PTR(T(result->u.var).var); - } - FREE_OP_VAR_PTR(free_op1); - return; - } - - variable_ptr = *variable_ptr_ptr; - - if (variable_ptr == EG(error_zval_ptr)) { - if (result && !RETURN_VALUE_UNUSED(result)) { - T(result->u.var).var.ptr_ptr = &EG(uninitialized_zval_ptr); - PZVAL_LOCK(*T(result->u.var).var.ptr_ptr); - AI_USE_PTR(T(result->u.var).var); - } - if (type==IS_TMP_VAR) { - zval_dtor(value); - } - FREE_OP_VAR_PTR(free_op1); - return; - } - - if(Z_TYPE_P(variable_ptr) == IS_OBJECT && Z_OBJ_HANDLER_P(variable_ptr, set)) { - /* TODO? ze1_compatibility_mode support */ - Z_OBJ_HANDLER_P(variable_ptr, set)(variable_ptr_ptr, value TSRMLS_CC); - goto done_setting_var; - } - - if (EG(ze1_compatibility_mode) && Z_TYPE_P(value) == IS_OBJECT) { - if (Z_OBJ_HANDLER_P(value, clone_obj) == NULL) { - zend_error_noreturn(E_ERROR, "Trying to clone an uncloneable object of class %s", Z_OBJCE_P(value)->name); - } else if (PZVAL_IS_REF(variable_ptr)) { - if (variable_ptr != value) { - zend_uint refcount = variable_ptr->refcount; - zval garbage; - - if (type != IS_TMP_VAR) { - value->refcount++; - } - garbage = *variable_ptr; - *variable_ptr = *value; - variable_ptr->refcount = refcount; - variable_ptr->is_ref = 1; - zend_error(E_STRICT, "Implicit cloning object of class '%s' because of 'zend.ze1_compatibility_mode'", Z_OBJCE_P(value)->name); - variable_ptr->value.obj = Z_OBJ_HANDLER_P(value, clone_obj)(value TSRMLS_CC); - if (type != IS_TMP_VAR) { - value->refcount--; - } - zendi_zval_dtor(garbage); - } - } else { - if (variable_ptr != value) { - value->refcount++; - variable_ptr->refcount--; - if (variable_ptr->refcount == 0) { - zendi_zval_dtor(*variable_ptr); - } else { - ALLOC_ZVAL(variable_ptr); - *variable_ptr_ptr = variable_ptr; - } - *variable_ptr = *value; - INIT_PZVAL(variable_ptr); - zend_error(E_STRICT, "Implicit cloning object of class '%s' because of 'zend.ze1_compatibility_mode'", Z_OBJCE_P(value)->name); - variable_ptr->value.obj = Z_OBJ_HANDLER_P(value, clone_obj)(value TSRMLS_CC); - zval_ptr_dtor(&value); - } - } - } else if (PZVAL_IS_REF(variable_ptr)) { - if (variable_ptr!=value) { - zend_uint refcount = variable_ptr->refcount; - zval garbage; - - if (type!=IS_TMP_VAR) { - value->refcount++; - } - garbage = *variable_ptr; - *variable_ptr = *value; - variable_ptr->refcount = refcount; - variable_ptr->is_ref = 1; - if (type!=IS_TMP_VAR) { - zendi_zval_copy_ctor(*variable_ptr); - value->refcount--; - } - zendi_zval_dtor(garbage); - } - } else { - variable_ptr->refcount--; - if (variable_ptr->refcount==0) { - switch (type) { - case IS_CV: - case IS_VAR: - /* break missing intentionally */ - case IS_CONST: - if (variable_ptr==value) { - variable_ptr->refcount++; - } else if (PZVAL_IS_REF(value)) { - zval tmp; - - tmp = *value; - zval_copy_ctor(&tmp); - tmp.refcount=1; - zendi_zval_dtor(*variable_ptr); - *variable_ptr = tmp; - } else { - value->refcount++; - zendi_zval_dtor(*variable_ptr); - safe_free_zval_ptr(variable_ptr); - *variable_ptr_ptr = value; - } - break; - case IS_TMP_VAR: - zendi_zval_dtor(*variable_ptr); - value->refcount=1; - *variable_ptr = *value; - break; - EMPTY_SWITCH_DEFAULT_CASE() - } - } else { /* we need to split */ - switch (type) { - case IS_CV: - case IS_VAR: - /* break missing intentionally */ - case IS_CONST: - if (PZVAL_IS_REF(value) && value->refcount > 0) { - ALLOC_ZVAL(variable_ptr); - *variable_ptr_ptr = variable_ptr; - *variable_ptr = *value; - zval_copy_ctor(variable_ptr); - variable_ptr->refcount=1; - break; - } - *variable_ptr_ptr = value; - value->refcount++; - break; - case IS_TMP_VAR: - ALLOC_ZVAL(*variable_ptr_ptr); - value->refcount=1; - **variable_ptr_ptr = *value; - break; - EMPTY_SWITCH_DEFAULT_CASE() - } - } - (*variable_ptr_ptr)->is_ref=0; - } - -done_setting_var: - if (result && !RETURN_VALUE_UNUSED(result)) { - T(result->u.var).var.ptr_ptr = variable_ptr_ptr; - PZVAL_LOCK(*variable_ptr_ptr); - AI_USE_PTR(T(result->u.var).var); - } - FREE_OP_VAR_PTR(free_op1); -} - - -static inline void zend_receive(zval **variable_ptr_ptr, zval *value TSRMLS_DC) -{ - zval *variable_ptr = *variable_ptr_ptr; - - if (EG(ze1_compatibility_mode) && Z_TYPE_P(value) == IS_OBJECT) { - if (Z_OBJ_HANDLER_P(value, clone_obj) == NULL) { - zend_error_noreturn(E_ERROR, "Trying to clone an uncloneable object of class %s", Z_OBJCE_P(value)->name); - } else { - variable_ptr->refcount--; - ALLOC_ZVAL(variable_ptr); - *variable_ptr_ptr = variable_ptr; - *variable_ptr = *value; - INIT_PZVAL(variable_ptr); - zend_error(E_STRICT, "Implicit cloning object of class '%s' because of 'zend.ze1_compatibility_mode'", Z_OBJCE_P(value)->name); - variable_ptr->value.obj = Z_OBJ_HANDLER_P(value, clone_obj)(value TSRMLS_CC); - } - } else { - variable_ptr->refcount--; - *variable_ptr_ptr = value; - value->refcount++; - } -} - -/* Utility Functions for Extensions */ -static void zend_extension_statement_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC) -{ - if (extension->statement_handler) { - extension->statement_handler(op_array); - } -} - - -static void zend_extension_fcall_begin_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC) -{ - if (extension->fcall_begin_handler) { - extension->fcall_begin_handler(op_array); - } -} - - -static void zend_extension_fcall_end_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC) -{ - if (extension->fcall_end_handler) { - extension->fcall_end_handler(op_array); - } -} - - -static inline HashTable *zend_get_target_symbol_table(zend_op *opline, temp_variable *Ts, int type, zval *variable TSRMLS_DC) -{ - switch (opline->op2.u.EA.type) { - case ZEND_FETCH_LOCAL: - return EG(active_symbol_table); - break; - case ZEND_FETCH_GLOBAL: - return &EG(symbol_table); - break; - case ZEND_FETCH_STATIC: - if (!EG(active_op_array)->static_variables) { - ALLOC_HASHTABLE(EG(active_op_array)->static_variables); - zend_hash_init(EG(active_op_array)->static_variables, 2, NULL, ZVAL_PTR_DTOR, 0); - } - return EG(active_op_array)->static_variables; - break; - EMPTY_SWITCH_DEFAULT_CASE() - } - return NULL; -} - -static inline zval **zend_fetch_dimension_address_inner(HashTable *ht, zval *dim, int type TSRMLS_DC) -{ - zval **retval; - char *offset_key; - int offset_key_length; - - switch (dim->type) { - case IS_NULL: - offset_key = ""; - offset_key_length = 0; - goto fetch_string_dim; - case IS_STRING: - - offset_key = dim->value.str.val; - offset_key_length = dim->value.str.len; - -fetch_string_dim: - if (zend_symtable_find(ht, offset_key, offset_key_length+1, (void **) &retval) == FAILURE) { - switch (type) { - case BP_VAR_R: - zend_error(E_NOTICE, "Undefined index: %s", offset_key); - /* break missing intentionally */ - case BP_VAR_UNSET: - case BP_VAR_IS: - retval = &EG(uninitialized_zval_ptr); - break; - case BP_VAR_RW: - zend_error(E_NOTICE,"Undefined index: %s", offset_key); - /* break missing intentionally */ - case BP_VAR_W: { - zval *new_zval = &EG(uninitialized_zval); - - new_zval->refcount++; - zend_symtable_update(ht, offset_key, offset_key_length+1, &new_zval, sizeof(zval *), (void **) &retval); - } - break; - } - } - break; - case IS_RESOURCE: - zend_error(E_STRICT, "Resource ID#%ld used as offset, casting to integer (%ld)", dim->value.lval, dim->value.lval); - /* Fall Through */ - case IS_DOUBLE: - case IS_BOOL: - case IS_LONG: { - long index; - - if (dim->type == IS_DOUBLE) { - index = (long)dim->value.dval; - } else { - index = dim->value.lval; - } - if (zend_hash_index_find(ht, index, (void **) &retval) == FAILURE) { - switch (type) { - case BP_VAR_R: - zend_error(E_NOTICE,"Undefined offset: %ld", index); - /* break missing intentionally */ - case BP_VAR_UNSET: - case BP_VAR_IS: - retval = &EG(uninitialized_zval_ptr); - break; - case BP_VAR_RW: - zend_error(E_NOTICE,"Undefined offset: %ld", index); - /* break missing intentionally */ - case BP_VAR_W: { - zval *new_zval = &EG(uninitialized_zval); - - new_zval->refcount++; - zend_hash_index_update(ht, index, &new_zval, sizeof(zval *), (void **) &retval); - } - break; - } - } - } - break; - default: - zend_error(E_WARNING, "Illegal offset type"); - switch (type) { - case BP_VAR_R: - case BP_VAR_IS: - case BP_VAR_UNSET: - retval = &EG(uninitialized_zval_ptr); - break; - default: - retval = &EG(error_zval_ptr); - break; - } - break; - } - return retval; -} - -static void zend_fetch_dimension_address(temp_variable *result, zval **container_ptr, zval *dim, int dim_is_tmp_var, int type TSRMLS_DC) -{ - zval *container; - - if (!container_ptr) { - zend_error_noreturn(E_ERROR, "Cannot use string offset as an array"); - } - - container = *container_ptr; - - if (container == EG(error_zval_ptr)) { - if (result) { - result->var.ptr_ptr = &EG(error_zval_ptr); - PZVAL_LOCK(*result->var.ptr_ptr); - if (type == BP_VAR_R || type == BP_VAR_IS) { - AI_USE_PTR(result->var); - } - } - return; - } - - if (container->type==IS_NULL - || (container->type==IS_BOOL && container->value.lval==0) - || (container->type==IS_STRING && container->value.str.len==0)) { - switch (type) { - case BP_VAR_RW: - case BP_VAR_W: - if (!PZVAL_IS_REF(container)) { - SEPARATE_ZVAL(container_ptr); - container = *container_ptr; - } - array_init(container); - break; - } - } - - switch (container->type) { - zval **retval; - - case IS_ARRAY: - if ((type==BP_VAR_W || type==BP_VAR_RW) && container->refcount>1 && !PZVAL_IS_REF(container)) { - SEPARATE_ZVAL(container_ptr); - container = *container_ptr; - } - if (dim == NULL) { - zval *new_zval = &EG(uninitialized_zval); - - new_zval->refcount++; - if (zend_hash_next_index_insert(container->value.ht, &new_zval, sizeof(zval *), (void **) &retval) == FAILURE) { - zend_error(E_WARNING, "Cannot add element to the array as the next element is already occupied"); - retval = &EG(error_zval_ptr); - new_zval->refcount--; - } - } else { - retval = zend_fetch_dimension_address_inner(container->value.ht, dim, type TSRMLS_CC); - } - if (result) { - result->var.ptr_ptr = retval; - PZVAL_LOCK(*result->var.ptr_ptr); - } - break; - case IS_NULL: { - /* for read-mode only */ - if (result) { - result->var.ptr_ptr = &EG(uninitialized_zval_ptr); - PZVAL_LOCK(*result->var.ptr_ptr); - } - if (type==BP_VAR_W || type==BP_VAR_RW) { - zend_error(E_WARNING, "Cannot use a NULL value as an array"); - } - break; - } - case IS_STRING: { - zval tmp; - - if (dim == NULL) { - zend_error_noreturn(E_ERROR, "[] operator not supported for strings"); - } - - if (dim->type != IS_LONG) { - tmp = *dim; - zval_copy_ctor(&tmp); - convert_to_long(&tmp); - dim = &tmp; - } - switch (type) { - case BP_VAR_R: - case BP_VAR_IS: - case BP_VAR_UNSET: - /* do nothing... */ - break; - default: - SEPARATE_ZVAL_IF_NOT_REF(container_ptr); - break; - } - if (result) { - container = *container_ptr; - result->str_offset.str = container; - PZVAL_LOCK(container); - result->str_offset.offset = dim->value.lval; - result->var.ptr_ptr = NULL; - if (type == BP_VAR_R || type == BP_VAR_IS) { - AI_USE_PTR(result->var); - } - } - return; - } - break; - case IS_OBJECT: - if (!Z_OBJ_HT_P(container)->read_dimension) { - zend_error_noreturn(E_ERROR, "Cannot use object as array"); - } else { - zval *overloaded_result; - - if (dim_is_tmp_var) { - zval *orig = dim; - MAKE_REAL_ZVAL_PTR(dim); - ZVAL_NULL(orig); - } - overloaded_result = Z_OBJ_HT_P(container)->read_dimension(container, dim, type TSRMLS_CC); - - if (overloaded_result) { - switch (type) { - case BP_VAR_RW: - case BP_VAR_W: - if (overloaded_result->type != IS_OBJECT - && !overloaded_result->is_ref) { - zend_error_noreturn(E_ERROR, "Objects used as arrays in post/pre increment/decrement must return values by reference"); - } - break; - } - - retval = &overloaded_result; - } else { - retval = &EG(error_zval_ptr); - } - if (result) { - result->var.ptr_ptr = retval; - AI_USE_PTR(result->var); - PZVAL_LOCK(*result->var.ptr_ptr); - } - if (dim_is_tmp_var) { - zval_ptr_dtor(&dim); - } - return; - } - break; - default: { - switch (type) { - case BP_VAR_UNSET: - zend_error(E_WARNING, "Cannot unset offset in a non-array variable"); - /* break missing intentionally */ - case BP_VAR_R: - case BP_VAR_IS: - retval = &EG(uninitialized_zval_ptr); - break; - default: - retval = &EG(error_zval_ptr); - break; - } - if (result) { - result->var.ptr_ptr = retval; - PZVAL_LOCK(*result->var.ptr_ptr); - } - if (type==BP_VAR_W || type==BP_VAR_RW) { - zend_error(E_WARNING, "Cannot use a scalar value as an array"); - } - } - break; - } - if (result && (type == BP_VAR_R || type == BP_VAR_IS)) { - AI_USE_PTR(result->var); - } -} - -static void zend_fetch_property_address(temp_variable *result, zval **container_ptr, zval *prop_ptr, int type TSRMLS_DC) -{ - zval *container; - - container = *container_ptr; - if (container == EG(error_zval_ptr)) { - if (result) { - result->var.ptr_ptr = &EG(error_zval_ptr); - PZVAL_LOCK(*result->var.ptr_ptr); - } - return; - } - /* this should modify object only if it's empty */ - if (container->type == IS_NULL - || (container->type == IS_BOOL && container->value.lval==0) - || (container->type == IS_STRING && container->value.str.len == 0)) { - switch (type) { - case BP_VAR_RW: - case BP_VAR_W: - if (!PZVAL_IS_REF(container)) { - SEPARATE_ZVAL(container_ptr); - container = *container_ptr; - } - object_init(container); - break; - } - } - - if (container->type != IS_OBJECT) { - if (result) { - if (type == BP_VAR_R || type == BP_VAR_IS) { - result->var.ptr_ptr = &EG(uninitialized_zval_ptr); - } else { - result->var.ptr_ptr = &EG(error_zval_ptr); - } - PZVAL_LOCK(*result->var.ptr_ptr); - } - return; - } - - if ((type==BP_VAR_W || type==BP_VAR_RW) && container->refcount>1 && !PZVAL_IS_REF(container)) { - SEPARATE_ZVAL(container_ptr); - container = *container_ptr; - } - - if (Z_OBJ_HT_P(container)->get_property_ptr_ptr) { - zval **ptr_ptr = Z_OBJ_HT_P(container)->get_property_ptr_ptr(container, prop_ptr TSRMLS_CC); - if(NULL == ptr_ptr) { - zval *ptr; - - if (Z_OBJ_HT_P(container)->read_property && - (ptr = Z_OBJ_HT_P(container)->read_property(container, prop_ptr, BP_VAR_W TSRMLS_CC)) != NULL) { - if (result) { - result->var.ptr = ptr; - result->var.ptr_ptr = &result->var.ptr; - } - } else { - zend_error(E_ERROR, "Cannot access undefined property for object with overloaded property access"); - } - } else if (result) { - result->var.ptr_ptr = ptr_ptr; - } - } else if (Z_OBJ_HT_P(container)->read_property) { - if (result) { - result->var.ptr = Z_OBJ_HT_P(container)->read_property(container, prop_ptr, BP_VAR_W TSRMLS_CC); - result->var.ptr_ptr = &result->var.ptr; - } - } else { - zend_error(E_WARNING, "This object doesn't support property references"); - if (result) { - result->var.ptr_ptr = &EG(error_zval_ptr); - } - } - - if (result) { - PZVAL_LOCK(*result->var.ptr_ptr); - } -} - -static inline zend_brk_cont_element* zend_brk_cont(zval *nest_levels_zval, int array_offset, zend_op_array *op_array, temp_variable *Ts TSRMLS_DC) -{ - zval tmp; - int nest_levels, original_nest_levels; - zend_brk_cont_element *jmp_to; - - if (nest_levels_zval->type != IS_LONG) { - tmp = *nest_levels_zval; - zval_copy_ctor(&tmp); - convert_to_long(&tmp); - nest_levels = tmp.value.lval; - } else { - nest_levels = nest_levels_zval->value.lval; - } - original_nest_levels = nest_levels; - do { - if (array_offset==-1) { - zend_error_noreturn(E_ERROR, "Cannot break/continue %d level%s", original_nest_levels, (original_nest_levels == 1) ? "" : "s"); - } - jmp_to = &op_array->brk_cont_array[array_offset]; - if (nest_levels>1) { - zend_op *brk_opline = &op_array->opcodes[jmp_to->brk]; - - switch (brk_opline->opcode) { - case ZEND_SWITCH_FREE: - zend_switch_free(brk_opline, Ts TSRMLS_CC); - break; - case ZEND_FREE: - zendi_zval_dtor(T(brk_opline->op1.u.var).tmp_var); - break; - } - } - array_offset = jmp_to->parent; - } while (--nest_levels > 0); - return jmp_to; -} - -#if ZEND_INTENSIVE_DEBUGGING - -#define CHECK_SYMBOL_TABLES() \ - zend_hash_apply(&EG(symbol_table), (apply_func_t) zend_check_symbol TSRMLS_CC); \ - if (&EG(symbol_table)!=EG(active_symbol_table)) { \ - zend_hash_apply(EG(active_symbol_table), (apply_func_t) zend_check_symbol TSRMLS_CC); \ - } - -static int zend_check_symbol(zval **pz TSRMLS_DC) -{ - if (Z_TYPE_PP(pz) > 9) { - fprintf(stderr, "Warning! %x has invalid type!\n", *pz); - } else if (Z_TYPE_PP(pz) == IS_ARRAY) { - zend_hash_apply(Z_ARRVAL_PP(pz), (apply_func_t) zend_check_symbol TSRMLS_CC); - } else if (Z_TYPE_PP(pz) == IS_OBJECT) { - - /* OBJ-TBI - doesn't support new object model! */ - zend_hash_apply(Z_OBJPROP_PP(pz), (apply_func_t) zend_check_symbol TSRMLS_CC); - } - - return 0; -} - - -#else -#define CHECK_SYMBOL_TABLES() -#endif - -ZEND_API opcode_handler_t *zend_opcode_handlers; - -ZEND_API void execute_internal(zend_execute_data *execute_data_ptr, int return_value_used TSRMLS_DC) -{ - ((zend_internal_function *) execute_data_ptr->function_state.function)->handler(execute_data_ptr->opline->extended_value, (*(temp_variable *)((char *) execute_data_ptr->Ts + execute_data_ptr->opline->result.u.var)).var.ptr, execute_data_ptr->object, return_value_used TSRMLS_CC); -} - -#define ZEND_VM_NEXT_OPCODE() \ - CHECK_SYMBOL_TABLES() \ - EX(opline)++; \ - ZEND_VM_CONTINUE() - -#define ZEND_VM_SET_OPCODE(new_op) \ - CHECK_SYMBOL_TABLES() \ - EX(opline) = new_op - -#define ZEND_VM_INC_OPCODE() \ - if (!EG(exception)) { \ - CHECK_SYMBOL_TABLES() \ - EX(opline)++; \ - } - -#define ZEND_VM_RETURN_FROM_EXECUTE_LOOP() \ - free_alloca(EX(CVs)); \ - if (EX(op_array)->T < TEMP_VAR_STACK_LIMIT) { \ - free_alloca(EX(Ts)); \ - } else { \ - efree(EX(Ts)); \ - } \ - EG(in_execution) = EX(original_in_execution); \ - EG(current_execute_data) = EX(prev_execute_data); \ - ZEND_VM_RETURN() - -#define ZEND_VM_CONTINUE_JMP() \ - ZEND_VM_CONTINUE() - -static int zend_vm_old_executor = 0; - -#include "zend_vm_execute.h" - -ZEND_API int zend_set_user_opcode_handler(zend_uchar opcode, opcode_handler_t handler) -{ - if (opcode != ZEND_USER_OPCODE) { - zend_user_opcodes[opcode] = ZEND_USER_OPCODE; - zend_user_opcode_handlers[opcode] = handler; - return SUCCESS; - } - return FAILURE; -} - -ZEND_API opcode_handler_t zend_get_user_opcode_handler(zend_uchar opcode) -{ - return zend_user_opcode_handlers[opcode]; -} - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * indent-tabs-mode: t - * End: - */ |