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a3dc201d1e
php-src/Zend/zend_execute.c
Stanislav Malyshev e321eba06b Fix Bug #26077 - memory leak when new() result is not assigned 
and no constructor defined
2004-01-09 13:52:19 +00:00

4296 lines
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/*
+----------------------------------------------------------------------+
| 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"
#define get_zval_ptr(node, Ts, should_free, type) _get_zval_ptr(node, Ts, should_free TSRMLS_CC)
#define get_zval_ptr_ptr(node, Ts, type) _get_zval_ptr_ptr(node, Ts TSRMLS_CC)
/* Prototypes */
static void zend_fetch_var_address(zend_op *opline, temp_variable *Ts, int type TSRMLS_DC);
static void zend_fetch_dimension_address(znode *result, znode *op1, znode *op2, temp_variable *Ts, int type TSRMLS_DC);
static void zend_fetch_property_address(znode *result, znode *op1, znode *op2, temp_variable *Ts, int type TSRMLS_DC);
static void zend_fetch_dimension_address_from_tmp_var(znode *result, znode *op1, znode *op2, temp_variable *Ts TSRMLS_DC);
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))
/* former zend_execute_locks.h */
static inline void zend_pzval_lock_func(zval *z)
{
z->refcount++;
}
static inline void zend_pzval_unlock_func(zval *z TSRMLS_DC)
{
z->refcount--;
if (!z->refcount) {
z->refcount = 1;
z->is_ref = 0;
EG(garbage)[EG(garbage_ptr)++] = z;
}
}
static inline void zend_clean_garbage(TSRMLS_D)
{
while (EG(garbage_ptr)) {
zval_ptr_dtor(&EG(garbage)[--EG(garbage_ptr)]);
}
}
#define PZVAL_UNLOCK(z) zend_pzval_unlock_func(z TSRMLS_CC)
#define PZVAL_LOCK(z) zend_pzval_lock_func(z)
#define SELECTIVE_PZVAL_LOCK(pzv, pzn) if (!((pzn)->u.EA.type & EXT_TYPE_UNUSED)) { PZVAL_LOCK(pzv); }
/* End of zend_execute_locks.h */
static inline zval *_get_zval_ptr(znode *node, temp_variable *Ts, zval **should_free TSRMLS_DC)
{
switch (node->op_type) {
case IS_CONST:
*should_free = 0;
return &node->u.constant;
break;
case IS_TMP_VAR:
return *should_free = &T(node->u.var).tmp_var;
break;
case IS_VAR:
if (T(node->u.var).var.ptr) {
PZVAL_UNLOCK(T(node->u.var).var.ptr);
*should_free = 0;
return T(node->u.var).var.ptr;
} else {
temp_variable *T = &T(node->u.var);
zval *str = T->var.str_offset.str;
/* string offset */
*should_free = &T(node->u.var).tmp_var;
if (T->var.str_offset.str->type != IS_STRING
|| ((int)T->var.str_offset.offset<0)
|| (T->var.str_offset.str->value.str.len <= T->var.str_offset.offset)) {
zend_error(E_NOTICE, "Uninitialized string offset: %d", T->var.str_offset.offset);
T->tmp_var.value.str.val = empty_string;
T->tmp_var.value.str.len = 0;
} else {
char c = str->value.str.val[T->var.str_offset.offset];
T->tmp_var.value.str.val = estrndup(&c, 1);
T->tmp_var.value.str.len = 1;
}
PZVAL_UNLOCK(str);
T->tmp_var.refcount=1;
T->tmp_var.is_ref=1;
T->tmp_var.type = IS_STRING;
return &T->tmp_var;
}
break;
case IS_UNUSED:
*should_free = 0;
return NULL;
break;
EMPTY_SWITCH_DEFAULT_CASE()
}
return NULL;
}
static inline zval **_get_zval_ptr_ptr(znode *node, temp_variable *Ts TSRMLS_DC)
{
if (node->op_type==IS_VAR) {
if (T(node->u.var).var.ptr_ptr) {
PZVAL_UNLOCK(*T(node->u.var).var.ptr_ptr);
} else {
/* string offset */
PZVAL_UNLOCK(T(node->u.var).var.str_offset.str);
}
return T(node->u.var).var.ptr_ptr;
} else {
return NULL;
}
}
static inline void zend_fetch_property_address_inner(zval *object, znode *op2, znode *result, temp_variable *Ts, int type TSRMLS_DC)
{
zval *prop_ptr = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
zval tmp;
switch (op2->op_type) {
case IS_CONST:
/* already a constant string */
break;
case IS_VAR:
tmp = *prop_ptr;
zval_copy_ctor(&tmp);
convert_to_string(&tmp);
prop_ptr = &tmp;
break;
case IS_TMP_VAR:
convert_to_string(prop_ptr);
break;
}
if (Z_OBJ_HT_P(object)->get_property_ptr_ptr) {
zval **ptr_ptr = Z_OBJ_HT_P(object)->get_property_ptr_ptr(object, prop_ptr TSRMLS_CC);
if(NULL == ptr_ptr) {
zend_error(E_ERROR, "Cannot access undefined property for object with overloaded property access");
}
T(result->u.var).var.ptr_ptr = ptr_ptr;
} else if (Z_OBJ_HT_P(object)->read_property) {
T(result->u.var).var.ptr = Z_OBJ_HT_P(object)->read_property(object, prop_ptr, 0 TSRMLS_CC);
T(result->u.var).var.ptr_ptr = &T(result->u.var).var.ptr;
} else {
zend_error(E_WARNING, "This object doesn't support property references");
T(result->u.var).var.ptr_ptr = &EG(error_zval_ptr);
}
if (prop_ptr == &tmp) {
zval_dtor(prop_ptr);
}
FREE_OP(Ts, op2, EG(free_op2));
}
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(T->var.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()
}
}
void zend_assign_to_variable_reference(znode *result, zval **variable_ptr_ptr, zval **value_ptr_ptr, temp_variable *Ts TSRMLS_DC)
{
zval *variable_ptr;
zval *value_ptr;
if (!value_ptr_ptr || !variable_ptr_ptr) {
zend_error(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;
}
if (result && !(result->u.EA.type & EXT_TYPE_UNUSED)) {
T(result->u.var).var.ptr_ptr = variable_ptr_ptr;
SELECTIVE_PZVAL_LOCK(*variable_ptr_ptr, result);
AI_USE_PTR(T(result->u.var).var);
}
}
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, 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 */
return &EG(This);
} else {
zend_error(E_ERROR, "Using $this when not in object context");
}
}
return get_zval_ptr_ptr(op, Ts, type);
}
static inline zval *get_obj_zval_ptr(znode *op, temp_variable *Ts, zval **freeop, int type TSRMLS_DC)
{
if (op->op_type == IS_UNUSED) {
if (EG(This)) {
return EG(This);
} else {
zend_error(E_ERROR, "Using $this when not in object context");
}
}
return get_zval_ptr(op, Ts, freeop, 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(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(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(E_ERROR, "Argument %d must %s %s", arg_num, error_msg, ce->name);
}
}
break;
default:
zend_error(E_ERROR, "Argument %d must be an object of class %s", arg_num, cur_arg_info->class_name);
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;
zval *property = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
zval *free_value;
zval *value = get_zval_ptr(value_op, Ts, &free_value, BP_VAR_R);
zval tmp;
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) {
zend_error(E_WARNING, "Attempt to assign property of non-object");
FREE_OP(Ts, op2, EG(free_op2));
*retval = EG(uninitialized_zval_ptr);
SELECTIVE_PZVAL_LOCK(*retval, result);
PZVAL_UNLOCK(value);
return;
}
/* here we are sure we are dealing with an object */
switch (op2->op_type) {
case IS_CONST:
/* already a constant string */
break;
case IS_VAR:
tmp = *property;
zval_copy_ctor(&tmp);
convert_to_string(&tmp);
property = &tmp;
break;
case IS_TMP_VAR:
convert_to_string(property);
break;
}
if (EG(implicit_clone)) {
SEPARATE_ZVAL_IF_NOT_REF(object_ptr);
object = *object_ptr;
}
/* by now, property is a string */
/* separate our value if necessary */
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;
}
if (opcode == ZEND_ASSIGN_OBJ) {
Z_OBJ_HT_P(object)->write_property(object, property, value TSRMLS_CC);
} else {
if (!Z_OBJ_HT_P(object)->write_dimension) {
zend_error(E_ERROR, "Cannot use object as array");
}
Z_OBJ_HT_P(object)->write_dimension(object, property, value TSRMLS_CC);
}
if (property == &tmp) {
zval_dtor(property);
}
FREE_OP(Ts, op2, EG(free_op2));
if (result) {
T(result->u.var).var.ptr = value;
T(result->u.var).var.ptr_ptr = NULL; /* see if we can nuke this */
SELECTIVE_PZVAL_LOCK(value, result);
}
}
static inline void zend_assign_to_variable(znode *result, znode *op1, znode *op2, zval *value, int type, temp_variable *Ts TSRMLS_DC)
{
zval **variable_ptr_ptr = get_zval_ptr_ptr(op1, Ts, BP_VAR_W);
zval *variable_ptr;
if (!variable_ptr_ptr) {
temp_variable *T = &T(op1->u.var);
if (T->var.str_offset.str->type == IS_STRING) do {
zval tmp;
zval *final_value = value;
if (((int)T->var.str_offset.offset < 0)) {
zend_error(E_WARNING, "Illegal string offset: %d", T->var.str_offset.offset);
break;
}
if (T->var.str_offset.offset >= T->var.str_offset.str->value.str.len) {
zend_uint i;
if (T->var.str_offset.str->value.str.len==0) {
STR_FREE(T->var.str_offset.str->value.str.val);
T->var.str_offset.str->value.str.val = (char *) emalloc(T->var.str_offset.offset+1+1);
} else {
T->var.str_offset.str->value.str.val = (char *) erealloc(T->var.str_offset.str->value.str.val, T->var.str_offset.offset+1+1);
}
for (i=T->var.str_offset.str->value.str.len; i<T->var.str_offset.offset; i++) {
T->var.str_offset.str->value.str.val[i] = ' ';
}
T->var.str_offset.str->value.str.val[T->var.str_offset.offset+1] = 0;
T->var.str_offset.str->value.str.len = T->var.str_offset.offset+1;
}
if (value->type!=IS_STRING) {
tmp = *value;
if (op2 && op2->op_type == IS_VAR) {
zval_copy_ctor(&tmp);
}
convert_to_string(&tmp);
final_value = &tmp;
}
T->var.str_offset.str->value.str.val[T->var.str_offset.offset] = final_value->value.str.val[0];
if (op2) {
if (op2->op_type == IS_VAR) {
if (value == &T(op2->u.var).tmp_var) {
if (result->u.EA.type & EXT_TYPE_UNUSED) {
/* We are not going to use return value, drop it */
STR_FREE(value->value.str.val);
} else {
/* We are going to use return value, make it real zval */
ALLOC_ZVAL(value);
*value = T(op2->u.var).tmp_var;
value->is_ref = 0;
value->refcount = 0; /* LOCK will increase it */
}
}
} else {
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->var.str_offset.str;
*/
} while (0);
/* zval_ptr_dtor(&T->var.str_offset.str); Nuke this line if it doesn't cause a leak */
T->tmp_var.type = IS_STRING;
/* T(result->u.var).var.ptr_ptr = &EG(uninitialized_zval_ptr); */
T(result->u.var).var.ptr_ptr = &value;
SELECTIVE_PZVAL_LOCK(*T(result->u.var).var.ptr_ptr, result);
AI_USE_PTR(T(result->u.var).var);
return;
}
variable_ptr = *variable_ptr_ptr;
if (variable_ptr == EG(error_zval_ptr)) {
if (result) {
T(result->u.var).var.ptr_ptr = &EG(uninitialized_zval_ptr);
SELECTIVE_PZVAL_LOCK(*T(result->u.var).var.ptr_ptr, result);
AI_USE_PTR(T(result->u.var).var);
}
if (type==IS_TMP_VAR) {
zval_dtor(value);
}
return;
}
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_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_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;
}
if (result) {
T(result->u.var).var.ptr_ptr = variable_ptr_ptr;
SELECTIVE_PZVAL_LOCK(*variable_ptr_ptr, result);
AI_USE_PTR(T(result->u.var).var);
}
}
/* 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 void print_refcount(zval *p, char *str)
{
print_refcount(NULL, NULL);
}
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 void zend_fetch_var_address(zend_op *opline, temp_variable *Ts, int type TSRMLS_DC)
{
zval *free_op1;
zval *varname = get_zval_ptr(&opline->op1, Ts, &free_op1, BP_VAR_R);
zval **retval;
zval tmp_varname;
HashTable *target_symbol_table;
zend_bool free_tmp = 0;
if (varname->type != IS_STRING) {
tmp_varname = *varname;
zval_copy_ctor(&tmp_varname);
convert_to_string(&tmp_varname);
varname = &tmp_varname;
free_tmp = 1;
}
if (opline->op2.u.EA.type == ZEND_FETCH_STATIC_MEMBER) {
target_symbol_table = NULL;
retval = zend_std_get_static_property(T(opline->op2.u.var).class_entry, Z_STRVAL_P(varname), Z_STRLEN_P(varname), 0 TSRMLS_CC);
} else {
if (opline->op2.u.EA.type == ZEND_FETCH_GLOBAL && opline->op1.op_type == IS_VAR) {
varname->refcount++;
}
target_symbol_table = zend_get_target_symbol_table(opline, Ts, type, varname TSRMLS_CC);
if (!target_symbol_table) {
return;
}
if (zend_hash_find(target_symbol_table, varname->value.str.val, varname->value.str.len+1, (void **) &retval) == FAILURE) {
switch (type) {
case BP_VAR_R:
zend_error(E_NOTICE,"Undefined variable: %s", varname->value.str.val);
/* break missing intentionally */
case BP_VAR_IS:
retval = &EG(uninitialized_zval_ptr);
break;
case BP_VAR_RW:
zend_error(E_NOTICE,"Undefined variable: %s", varname->value.str.val);
/* break missing intentionally */
case BP_VAR_W: {
zval *new_zval = &EG(uninitialized_zval);
new_zval->refcount++;
zend_hash_update(target_symbol_table, varname->value.str.val, varname->value.str.len+1, &new_zval, sizeof(zval *), (void **) &retval);
}
break;
EMPTY_SWITCH_DEFAULT_CASE()
}
}
switch (opline->op2.u.EA.type) {
case ZEND_FETCH_LOCAL:
FREE_OP(Ts, &opline->op1, free_op1);
break;
case ZEND_FETCH_STATIC:
zval_update_constant(retval, (void*) 1 TSRMLS_CC);
break;
}
}
if (free_tmp) {
zval_dtor(varname);
}
T(opline->result.u.var).var.ptr_ptr = retval;
SELECTIVE_PZVAL_LOCK(*retval, &opline->result);
}
static inline zval **zend_fetch_dimension_address_inner(HashTable *ht, znode *op2, temp_variable *Ts, int type TSRMLS_DC)
{
zval *dim = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
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_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_DOUBLE:
case IS_RESOURCE:
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_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");
if (type == BP_VAR_R || type == BP_VAR_IS) {
retval = &EG(uninitialized_zval_ptr);
} else {
retval = &EG(error_zval_ptr);
}
break;
}
FREE_OP(Ts, op2, EG(free_op2));
return retval;
}
static void zend_fetch_dimension_address(znode *result, znode *op1, znode *op2, temp_variable *Ts, int type TSRMLS_DC)
{
zval **container_ptr = get_zval_ptr_ptr(op1, Ts, type);
zval *container;
zval ***retval = &T(result->u.var).var.ptr_ptr;
if (!container_ptr) {
zend_error(E_ERROR, "Cannot use string offset as an array");
}
container = *container_ptr;
if (container == EG(error_zval_ptr)) {
*retval = &EG(error_zval_ptr);
SELECTIVE_PZVAL_LOCK(**retval, result);
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) {
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 (op2->op_type == IS_UNUSED) {
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(uninitialized_zval_ptr);
new_zval->refcount--;
}
} else {
*retval = zend_fetch_dimension_address_inner(container->value.ht, op2, Ts, type TSRMLS_CC);
}
SELECTIVE_PZVAL_LOCK(**retval, result);
break;
case IS_NULL:
/* for read-mode only */
get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
*retval = &EG(uninitialized_zval_ptr);
SELECTIVE_PZVAL_LOCK(**retval, result);
FREE_OP(Ts, op2, EG(free_op2));
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 *offset;
zval tmp;
if (op2->op_type==IS_UNUSED) {
zend_error(E_ERROR, "[] operator not supported for strings");
}
offset = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
if (offset->type != IS_LONG) {
tmp = *offset;
zval_copy_ctor(&tmp);
convert_to_long(&tmp);
offset = &tmp;
}
if (type!=BP_VAR_R && type!=BP_VAR_IS) {
SEPARATE_ZVAL_IF_NOT_REF(container_ptr);
}
container = *container_ptr;
T(result->u.var).var.str_offset.str = container;
PZVAL_LOCK(container);
T(result->u.var).var.str_offset.offset = offset->value.lval;
FREE_OP(Ts, op2, EG(free_op2));
*retval = NULL;
return;
}
break;
case IS_OBJECT:
if (type == BP_VAR_R || type == BP_VAR_RW) {
if (!Z_OBJ_HT_P(container)->read_dimension) {
zend_error(E_ERROR, "Cannot use object as array");
} else {
zval *dim = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
zval *overloaded_result = Z_OBJ_HT_P(container)->read_dimension(container, dim TSRMLS_CC);
if (overloaded_result) {
if (type == BP_VAR_RW && !overloaded_result->is_ref) {
zend_error(E_ERROR, "Objects used as arrays in post/pre increment/decrement must return values by reference");
}
*retval = &overloaded_result;
} else {
*retval = &EG(error_zval_ptr);
}
AI_USE_PTR(T(result->u.var).var);
FREE_OP(Ts, op2, EG(free_op2));
SELECTIVE_PZVAL_LOCK(**retval, result);
}
}
break;
default: {
get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
if (type==BP_VAR_R || type==BP_VAR_IS) {
*retval = &EG(uninitialized_zval_ptr);
} else {
*retval = &EG(error_zval_ptr);
}
FREE_OP(Ts, op2, EG(free_op2));
SELECTIVE_PZVAL_LOCK(**retval, result);
if (type==BP_VAR_W || type==BP_VAR_RW) {
zend_error(E_WARNING, "Cannot use a scalar value as an array");
}
}
break;
}
}
static void zend_fetch_dimension_address_from_tmp_var(znode *result, znode *op1, znode *op2, temp_variable *Ts TSRMLS_DC)
{
zval *free_op1;
zval *container = get_zval_ptr(op1, Ts, &free_op1, BP_VAR_R);
if (container->type != IS_ARRAY) {
T(result->u.var).var.ptr_ptr = &EG(uninitialized_zval_ptr);
SELECTIVE_PZVAL_LOCK(*T(result->u.var).var.ptr_ptr, result);
return;
}
T(result->u.var).var.ptr_ptr = zend_fetch_dimension_address_inner(container->value.ht, op2, Ts, BP_VAR_R TSRMLS_CC);
SELECTIVE_PZVAL_LOCK(*T(result->u.var).var.ptr_ptr, result);
}
static void zend_fetch_property_address(znode *result, znode *op1, znode *op2, temp_variable *Ts, int type TSRMLS_DC)
{
zval **container_ptr = get_obj_zval_ptr_ptr(op1, Ts, type TSRMLS_CC);
zval *container;
zval ***retval = &T(result->u.var).var.ptr_ptr;
container = *container_ptr;
if (container == EG(error_zval_ptr)) {
*retval = &EG(error_zval_ptr);
SELECTIVE_PZVAL_LOCK(**retval, result);
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) {
get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
FREE_OP(Ts, op2, EG(free_op2));
if (type == BP_VAR_R || type == BP_VAR_IS) {
*retval = &EG(uninitialized_zval_ptr);
} else {
*retval = &EG(error_zval_ptr);
}
SELECTIVE_PZVAL_LOCK(**retval, result);
return;
}
if ((type==BP_VAR_W || type==BP_VAR_RW) && container->refcount>1 && !PZVAL_IS_REF(container)) {
SEPARATE_ZVAL(container_ptr);
container = *container_ptr;
}
zend_fetch_property_address_inner(container, op2, result, Ts, type TSRMLS_CC);
SELECTIVE_PZVAL_LOCK(**retval, result);
}
static void zend_fetch_property_address_read(znode *result, znode *op1, znode *op2, temp_variable *Ts, int type TSRMLS_DC)
{
zval *container;
zval **retval;
retval = &T(result->u.var).var.ptr;
T(result->u.var).var.ptr_ptr = retval;
container = get_obj_zval_ptr(op1, Ts, &EG(free_op1), type TSRMLS_CC);
if (container == EG(error_zval_ptr)) {
*retval = EG(error_zval_ptr);
SELECTIVE_PZVAL_LOCK(*retval, result);
return;
}
if (container->type != IS_OBJECT) {
zend_error(E_NOTICE, "Trying to get property of non-object");
if (type==BP_VAR_R || type==BP_VAR_IS) {
*retval = EG(uninitialized_zval_ptr);
} else {
*retval = EG(error_zval_ptr);
}
} else {
zval *offset;
zval tmp;
offset = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
switch (op2->op_type) {
case IS_CONST:
/* already a constant string */
break;
case IS_VAR:
tmp = *offset;
zval_copy_ctor(&tmp);
convert_to_string(&tmp);
offset = &tmp;
break;
case IS_TMP_VAR:
convert_to_string(offset);
break;
}
/* here we are sure we are dealing with an object */
*retval = Z_OBJ_HT_P(container)->read_property(container, offset, (zend_bool) ((type==BP_VAR_IS) ? 1 : 0) TSRMLS_CC);
if (offset == &tmp) {
zval_dtor(offset);
}
FREE_OP(Ts, op2, EG(free_op2));
}
SELECTIVE_PZVAL_LOCK(*retval, result);
return;
}
static void zend_pre_incdec_property(znode *result, znode *op1, znode *op2, temp_variable * Ts, int (*incdec_op)(zval *) TSRMLS_DC)
{
zval **object_ptr = get_obj_zval_ptr_ptr(op1, Ts, BP_VAR_W TSRMLS_CC);
zval *object;
zval *property = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
zval **retval = &T(result->u.var).var.ptr;
int have_get_ptr = 0;
make_real_object(object_ptr TSRMLS_CC); /* this should modify object only if it's empty */
object = *object_ptr;
if (object->type != IS_OBJECT) {
zend_error(E_WARNING, "Attempt to increment/decrement property of non-object");
FREE_OP(Ts, op2, EG(free_op2));
*retval = EG(uninitialized_zval_ptr);
SELECTIVE_PZVAL_LOCK(*retval, result);
return;
}
/* here we are sure we are dealing with an object */
if (Z_OBJ_HT_P(object)->get_property_ptr_ptr) {
zval **zptr = Z_OBJ_HT_P(object)->get_property_ptr_ptr(object, property TSRMLS_CC);
if (zptr != NULL) { /* NULL means no success in getting PTR */
SEPARATE_ZVAL_IF_NOT_REF(zptr);
have_get_ptr = 1;
incdec_op(*zptr);
*retval = *zptr;
SELECTIVE_PZVAL_LOCK(*retval, result);
}
}
if (!have_get_ptr) {
zval *z = Z_OBJ_HT_P(object)->read_property(object, property, 0 TSRMLS_CC);
SEPARATE_ZVAL_IF_NOT_REF(&z);
incdec_op(z);
Z_OBJ_HT_P(object)->write_property(object, property, z TSRMLS_CC);
if (z->refcount <= 1) {
zval_dtor(z);
}
}
FREE_OP(Ts, op2, EG(free_op2));
}
static void zend_post_incdec_property(znode *result, znode *op1, znode *op2, temp_variable * Ts, int (*incdec_op)(zval *) TSRMLS_DC)
{
zval **object_ptr = get_obj_zval_ptr_ptr(op1, Ts, BP_VAR_W TSRMLS_CC);
zval *object;
zval *property = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
zval *retval = &T(result->u.var).tmp_var;
int have_get_ptr = 0;
make_real_object(object_ptr TSRMLS_CC); /* this should modify object only if it's empty */
object = *object_ptr;
if (object->type != IS_OBJECT) {
zend_error(E_WARNING, "Attempt to increment/decrement property of non-object");
FREE_OP(Ts, op2, EG(free_op2));
*retval = *EG(uninitialized_zval_ptr);
return;
}
/* here we are sure we are dealing with an object */
if (Z_OBJ_HT_P(object)->get_property_ptr_ptr) {
zval **zptr = Z_OBJ_HT_P(object)->get_property_ptr_ptr(object, property TSRMLS_CC);
if (zptr != NULL) { /* NULL means no success in getting PTR */
have_get_ptr = 1;
SEPARATE_ZVAL_IF_NOT_REF(zptr);
*retval = **zptr;
zendi_zval_copy_ctor(*retval);
incdec_op(*zptr);
}
}
if (!have_get_ptr) {
zval *z = Z_OBJ_HT_P(object)->read_property(object, property, 0 TSRMLS_CC);
SEPARATE_ZVAL_IF_NOT_REF(&z);
*retval = *z;
zendi_zval_copy_ctor(*retval);
incdec_op(z);
Z_OBJ_HT_P(object)->write_property(object, property, z TSRMLS_CC);
if (z->refcount <= 1) {
zval_dtor(z);
}
}
FREE_OP(Ts, op2, EG(free_op2));
}
#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
#define NEXT_OPCODE() \
CHECK_SYMBOL_TABLES() \
EX(opline)++; \
return 0; /* CHECK_ME */
#define RETURN_FROM_EXECUTE_LOOP(execute_data) \
free_alloca(EX(Ts)); \
EG(in_execution) = EX(original_in_execution); \
EG(current_execute_data) = EX(prev_execute_data); \
return 1; /* CHECK_ME */
opcode_handler_t zend_opcode_handlers[512];
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);
}
ZEND_API void execute(zend_op_array *op_array TSRMLS_DC)
{
zend_execute_data execute_data;
/* Initialize execute_data */
EX(fbc) = NULL;
EX(object) = NULL;
EX(Ts) = (temp_variable *) do_alloca(sizeof(temp_variable)*op_array->T);
EX(op_array) = op_array;
EX(original_in_execution) = EG(in_execution);
EX(prev_execute_data) = EG(current_execute_data);
EG(current_execute_data) = &execute_data;
EG(in_execution) = 1;
if (op_array->start_op) {
EX(opline) = op_array->start_op;
} else {
EX(opline) = op_array->opcodes;
}
if (op_array->uses_this && EG(This)) {
EG(This)->refcount++; /* For $this pointer */
if (zend_hash_add(EG(active_symbol_table), "this", sizeof("this"), &EG(This), sizeof(zval *), NULL)==FAILURE) {
EG(This)->refcount--;
}
}
EG(opline_ptr) = &EX(opline);
EX(function_state).function = (zend_function *) op_array;
EG(function_state_ptr) = &EX(function_state);
#if ZEND_DEBUG
/* function_state.function_symbol_table is saved as-is to a stack,
* which is an intentional UMR. Shut it up if we're in DEBUG.
*/
EX(function_state).function_symbol_table = NULL;
#endif
while (1) {
#ifdef ZEND_WIN32
if (EG(timed_out)) {
zend_timeout(0);
}
#endif
zend_clean_garbage(TSRMLS_C);
if (EX(opline)->handler(&execute_data, op_array TSRMLS_CC)) {
return;
}
}
zend_error(E_ERROR, "Arrived at end of main loop which shouldn't happen");
}
/* CHECK_ME */
#undef EX
#define EX(element) execute_data->element
int zend_add_handler(ZEND_OPCODE_HANDLER_ARGS)
{
add_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_sub_handler(ZEND_OPCODE_HANDLER_ARGS)
{
sub_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_mul_handler(ZEND_OPCODE_HANDLER_ARGS)
{
mul_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_div_handler(ZEND_OPCODE_HANDLER_ARGS)
{
div_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_mod_handler(ZEND_OPCODE_HANDLER_ARGS)
{
mod_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_sl_handler(ZEND_OPCODE_HANDLER_ARGS)
{
shift_left_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_sr_handler(ZEND_OPCODE_HANDLER_ARGS)
{
shift_right_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_concat_handler(ZEND_OPCODE_HANDLER_ARGS)
{
concat_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_is_identical_handler(ZEND_OPCODE_HANDLER_ARGS)
{
is_identical_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_is_not_identical_handler(ZEND_OPCODE_HANDLER_ARGS)
{
is_not_identical_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_is_equal_handler(ZEND_OPCODE_HANDLER_ARGS)
{
is_equal_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_is_not_equal_handler(ZEND_OPCODE_HANDLER_ARGS)
{
is_not_equal_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_is_smaller_handler(ZEND_OPCODE_HANDLER_ARGS)
{
is_smaller_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_is_smaller_or_equal_handler(ZEND_OPCODE_HANDLER_ARGS)
{
is_smaller_or_equal_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_bw_or_handler(ZEND_OPCODE_HANDLER_ARGS)
{
bitwise_or_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_bw_and_handler(ZEND_OPCODE_HANDLER_ARGS)
{
bitwise_and_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_bw_xor_handler(ZEND_OPCODE_HANDLER_ARGS)
{
bitwise_xor_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_bool_xor_handler(ZEND_OPCODE_HANDLER_ARGS)
{
boolean_xor_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_bw_not_handler(ZEND_OPCODE_HANDLER_ARGS)
{
bitwise_not_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
NEXT_OPCODE();
}
int zend_bool_not_handler(ZEND_OPCODE_HANDLER_ARGS)
{
boolean_not_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
NEXT_OPCODE();
}
static inline int zend_binary_assign_op_obj_helper(int (*binary_op)(zval *result, zval *op1, zval *op2 TSRMLS_DC), ZEND_OPCODE_HANDLER_ARGS)
{
zend_op *op_data = EX(opline)+1;
zval **object_ptr = get_obj_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_W TSRMLS_CC);
zval *object;
zval *property = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
zval *free_value;
zval *value = get_zval_ptr(&op_data->op1, EX(Ts), &free_value, BP_VAR_R);
zval tmp;
znode *result = &EX(opline)->result;
zval **retval = &EX_T(result->u.var).var.ptr;
int have_get_ptr = 0;
EX_T(result->u.var).var.ptr_ptr = NULL;
make_real_object(object_ptr TSRMLS_CC);
object = *object_ptr;
if (object->type != IS_OBJECT) {
zend_error(E_WARNING, "Attempt to assign property of non-object");
FREE_OP(Ts, op2, EG(free_op2));
*retval = EG(uninitialized_zval_ptr);
SELECTIVE_PZVAL_LOCK(*retval, result);
} else {
/* here we are sure we are dealing with an object */
switch (EX(opline)->op2.op_type) {
case IS_CONST:
/* already a constant string */
break;
case IS_VAR:
tmp = *property;
zval_copy_ctor(&tmp);
convert_to_string(&tmp);
property = &tmp;
break;
case IS_TMP_VAR:
convert_to_string(property);
break;
}
/* here property is a string */
if (EX(opline)->extended_value == ZEND_ASSIGN_OBJ
&& Z_OBJ_HT_P(object)->get_property_ptr_ptr) {
zval **zptr = Z_OBJ_HT_P(object)->get_property_ptr_ptr(object, property TSRMLS_CC);
if (zptr != NULL) { /* NULL means no success in getting PTR */
SEPARATE_ZVAL_IF_NOT_REF(zptr);
have_get_ptr = 1;
binary_op(*zptr, *zptr, value TSRMLS_CC);
*retval = *zptr;
SELECTIVE_PZVAL_LOCK(*retval, result);
}
}
if (!have_get_ptr) {
zval *z;
switch (EX(opline)->extended_value) {
case ZEND_ASSIGN_OBJ:
z = Z_OBJ_HT_P(object)->read_property(object, property, 0 TSRMLS_CC);
break;
case ZEND_ASSIGN_DIM:
z = Z_OBJ_HT_P(object)->read_dimension(object, property TSRMLS_CC);
break;
}
SEPARATE_ZVAL_IF_NOT_REF(&z);
binary_op(z, z, value TSRMLS_CC);
switch (EX(opline)->extended_value) {
case ZEND_ASSIGN_OBJ:
Z_OBJ_HT_P(object)->write_property(object, property, z TSRMLS_CC);
break;
case ZEND_ASSIGN_DIM:
Z_OBJ_HT_P(object)->write_dimension(object, property, z TSRMLS_CC);
break;
}
*retval = z;
SELECTIVE_PZVAL_LOCK(*retval, result);
if (z->refcount <= 1) {
zval_dtor(z);
}
}
if (property == &tmp) {
zval_dtor(property);
}
FREE_OP(Ts, op2, EG(free_op2));
}
/* assign_obj has two opcodes! */
EX(opline)++;
NEXT_OPCODE();
}
static inline int zend_binary_assign_op_helper(int (*binary_op)(zval *result, zval *op1, zval *op2 TSRMLS_DC), ZEND_OPCODE_HANDLER_ARGS)
{
zval **var_ptr;
zval *value;
zend_bool increment_opline = 0;
switch (EX(opline)->extended_value) {
case ZEND_ASSIGN_OBJ:
return zend_binary_assign_op_obj_helper(binary_op, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
break;
case ZEND_ASSIGN_DIM: {
zval **object_ptr = get_obj_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_W TSRMLS_CC);
(*object_ptr)->refcount++; /* undo the effect of get_obj_zval_ptr_ptr() */
if ((*object_ptr)->type == IS_OBJECT) {
return zend_binary_assign_op_obj_helper(binary_op, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
} else {
zend_op *data_opline = EX(opline)+1;
zend_fetch_dimension_address(&data_opline->op2, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_RW TSRMLS_CC);
value = get_zval_ptr(&data_opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
var_ptr = get_zval_ptr_ptr(&data_opline->op2, EX(Ts), BP_VAR_RW);
EG(free_op2) = 0;
increment_opline = 1;
}
}
break;
default:
value = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
var_ptr = get_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_RW);
EG(free_op1) = 0;
/* do nothing */
break;
}
if (!var_ptr) {
zend_error(E_ERROR, "Cannot use assign-op operators with overloaded objects nor string offsets");
}
if (*var_ptr == EG(error_zval_ptr)) {
EX_T(EX(opline)->result.u.var).var.ptr_ptr = &EG(uninitialized_zval_ptr);
SELECTIVE_PZVAL_LOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr, &EX(opline)->result);
AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
NEXT_OPCODE();
}
SEPARATE_ZVAL_IF_NOT_REF(var_ptr);
binary_op(*var_ptr, *var_ptr, value TSRMLS_CC);
EX_T(EX(opline)->result.u.var).var.ptr_ptr = var_ptr;
SELECTIVE_PZVAL_LOCK(*var_ptr, &EX(opline)->result);
FREE_OP(Ex(Ts), &EX(opline)->op1, EG(free_op1));
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
if (increment_opline) {
EX(opline)++;
}
NEXT_OPCODE();
}
int zend_assign_add_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_binary_assign_op_helper(add_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_assign_sub_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_binary_assign_op_helper(sub_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_assign_mul_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_binary_assign_op_helper(mul_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_assign_div_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_binary_assign_op_helper(div_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_assign_mod_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_binary_assign_op_helper(mod_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_assign_sl_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_binary_assign_op_helper(shift_left_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_assign_sr_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_binary_assign_op_helper(shift_right_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_assign_concat_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_binary_assign_op_helper(concat_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_assign_bw_or_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_binary_assign_op_helper(bitwise_or_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_assign_bw_and_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_binary_assign_op_helper(bitwise_and_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_assign_bw_xor_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_binary_assign_op_helper(bitwise_xor_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_pre_inc_obj_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_pre_incdec_property(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), increment_function TSRMLS_CC);
NEXT_OPCODE();
}
int zend_pre_dec_obj_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_pre_incdec_property(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), decrement_function TSRMLS_CC);
NEXT_OPCODE();
}
int zend_post_inc_obj_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_post_incdec_property(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), increment_function TSRMLS_CC);
NEXT_OPCODE();
}
int zend_post_dec_obj_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_post_incdec_property(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), decrement_function TSRMLS_CC);
NEXT_OPCODE();
}
typedef int (*incdec_t)(zval *);
static inline int zend_incdec_op_helper(incdec_t incdec_op_arg, ZEND_OPCODE_HANDLER_ARGS)
{
zval **var_ptr = get_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_RW);
int (*incdec_op)(zval *op1) = incdec_op_arg;
if (!var_ptr) {
zend_error(E_ERROR, "Cannot increment/decrement overloaded objects nor string offsets");
}
if (*var_ptr == EG(error_zval_ptr)) {
EX_T(EX(opline)->result.u.var).var.ptr_ptr = &EG(uninitialized_zval_ptr);
SELECTIVE_PZVAL_LOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr, &EX(opline)->result);
AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
NEXT_OPCODE();
}
switch (EX(opline)->opcode) {
case ZEND_POST_INC:
case ZEND_POST_DEC:
EX_T(EX(opline)->result.u.var).tmp_var = **var_ptr;
zendi_zval_copy_ctor(EX_T(EX(opline)->result.u.var).tmp_var);
break;
}
SEPARATE_ZVAL_IF_NOT_REF(var_ptr);
incdec_op(*var_ptr);
switch (EX(opline)->opcode) {
case ZEND_PRE_INC:
case ZEND_PRE_DEC:
EX_T(EX(opline)->result.u.var).var.ptr_ptr = var_ptr;
SELECTIVE_PZVAL_LOCK(*var_ptr, &EX(opline)->result);
AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
break;
}
NEXT_OPCODE();
}
int zend_pre_inc_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_incdec_op_helper(increment_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_pre_dec_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_incdec_op_helper(decrement_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_post_inc_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_incdec_op_helper(increment_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_post_dec_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_incdec_op_helper(decrement_function, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_print_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_print_variable(get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R));
EX_T(EX(opline)->result.u.var).tmp_var.value.lval = 1;
EX_T(EX(opline)->result.u.var).tmp_var.type = IS_LONG;
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
NEXT_OPCODE();
}
int zend_echo_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_print_variable(get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R));
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
NEXT_OPCODE();
}
int zend_fetch_r_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_fetch_var_address(EX(opline), EX(Ts), BP_VAR_R TSRMLS_CC);
AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
NEXT_OPCODE();
}
int zend_fetch_w_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_fetch_var_address(EX(opline), EX(Ts), BP_VAR_W TSRMLS_CC);
NEXT_OPCODE();
}
int zend_fetch_rw_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_fetch_var_address(EX(opline), EX(Ts), BP_VAR_RW TSRMLS_CC);
NEXT_OPCODE();
}
int zend_fetch_func_arg_handler(ZEND_OPCODE_HANDLER_ARGS)
{
if (ARG_SHOULD_BE_SENT_BY_REF(EX(fbc), EX(opline)->extended_value)) {
/* Behave like FETCH_W */
zend_fetch_var_address(EX(opline), EX(Ts), BP_VAR_W TSRMLS_CC);
} else {
/* Behave like FETCH_R */
zend_fetch_var_address(EX(opline), EX(Ts), BP_VAR_R TSRMLS_CC);
AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
}
NEXT_OPCODE();
}
int zend_fetch_unset_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_fetch_var_address(EX(opline), EX(Ts), BP_VAR_R TSRMLS_CC);
PZVAL_UNLOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr);
if (EX_T(EX(opline)->result.u.var).var.ptr_ptr != &EG(uninitialized_zval_ptr)) {
SEPARATE_ZVAL_IF_NOT_REF(EX_T(EX(opline)->result.u.var).var.ptr_ptr);
}
PZVAL_LOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr);
NEXT_OPCODE();
}
int zend_fetch_is_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_fetch_var_address(EX(opline), EX(Ts), BP_VAR_IS TSRMLS_CC);
AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
NEXT_OPCODE();
}
int zend_fetch_dim_r_handler(ZEND_OPCODE_HANDLER_ARGS)
{
if (EX(opline)->extended_value == ZEND_FETCH_ADD_LOCK) {
PZVAL_LOCK(*EX_T(EX(opline)->op1.u.var).var.ptr_ptr);
}
zend_fetch_dimension_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_R TSRMLS_CC);
AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
NEXT_OPCODE();
}
int zend_fetch_dim_w_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_fetch_dimension_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_W TSRMLS_CC);
NEXT_OPCODE();
}
int zend_fetch_dim_rw_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_fetch_dimension_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_RW TSRMLS_CC);
NEXT_OPCODE();
}
int zend_fetch_dim_is_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_fetch_dimension_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_IS TSRMLS_CC);
AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
NEXT_OPCODE();
}
int zend_fetch_dim_func_arg_handler(ZEND_OPCODE_HANDLER_ARGS)
{
if (ARG_SHOULD_BE_SENT_BY_REF(EX(fbc), EX(opline)->extended_value)) {
/* Behave like FETCH_DIM_W */
zend_fetch_dimension_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_W TSRMLS_CC);
} else {
/* Behave like FETCH_DIM_R, except for locking used for list() */
zend_fetch_dimension_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_R TSRMLS_CC);
AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
}
NEXT_OPCODE();
}
int zend_fetch_dim_unset_handler(ZEND_OPCODE_HANDLER_ARGS)
{
/* Not needed in DIM_UNSET
if (EX(opline)->extended_value == ZEND_FETCH_ADD_LOCK) {
PZVAL_LOCK(*EX_T(EX(opline)->op1.u.var).var.ptr_ptr);
}
*/
zend_fetch_dimension_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_R TSRMLS_CC);
if (EX_T(EX(opline)->result.u.var).var.ptr_ptr == NULL) {
zend_error(E_ERROR, "Cannot unset string offsets");
} else {
PZVAL_UNLOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr);
if (EX_T(EX(opline)->result.u.var).var.ptr_ptr != &EG(uninitialized_zval_ptr)) {
SEPARATE_ZVAL_IF_NOT_REF(EX_T(EX(opline)->result.u.var).var.ptr_ptr);
}
PZVAL_LOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr);
}
NEXT_OPCODE();
}
int zend_fetch_obj_r_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_fetch_property_address_read(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_R TSRMLS_CC);
AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
NEXT_OPCODE();
}
int zend_fetch_obj_w_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_fetch_property_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_W TSRMLS_CC);
NEXT_OPCODE();
}
int zend_fetch_obj_rw_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_fetch_property_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_RW TSRMLS_CC);
NEXT_OPCODE();
}
int zend_fetch_obj_is_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_fetch_property_address_read(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_IS TSRMLS_CC);
AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
NEXT_OPCODE();
}
int zend_fetch_obj_func_arg_handler(ZEND_OPCODE_HANDLER_ARGS)
{
if (ARG_SHOULD_BE_SENT_BY_REF(EX(fbc), EX(opline)->extended_value)) {
/* Behave like FETCH_OBJ_W */
zend_fetch_property_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_W TSRMLS_CC);
} else {
zend_fetch_property_address_read(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_R TSRMLS_CC);
AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
}
NEXT_OPCODE();
}
int zend_fetch_obj_unset_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_fetch_property_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_R TSRMLS_CC);
PZVAL_UNLOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr);
if (EX_T(EX(opline)->result.u.var).var.ptr_ptr != &EG(uninitialized_zval_ptr)) {
SEPARATE_ZVAL_IF_NOT_REF(EX_T(EX(opline)->result.u.var).var.ptr_ptr);
}
PZVAL_LOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr);
NEXT_OPCODE();
}
int zend_fetch_dim_tmp_var_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_fetch_dimension_address_from_tmp_var(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts) TSRMLS_CC);
AI_USE_PTR(EX_T(EX(opline)->result.u.var).var);
NEXT_OPCODE();
}
int zend_make_var_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval *value, *value2;
value = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
switch (EX(opline)->op1.op_type) {
case IS_TMP_VAR:
value2 = value;
ALLOC_ZVAL(value);
*value = *value2;
value->is_ref = 0;
value->refcount = 0; /* lock will increase this */
break;
case IS_CONST:
value2 = value;
ALLOC_ZVAL(value);
*value = *value2;
zval_copy_ctor(value);
value->is_ref = 0;
value->refcount = 0; /* lock will increase this */
break;
}
EX_T(EX(opline)->result.u.var).var.ptr = value;
PZVAL_LOCK(EX_T(EX(opline)->result.u.var).var.ptr);
NEXT_OPCODE();
}
int zend_assign_obj_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_op *op_data = EX(opline)+1;
zval **object_ptr = get_obj_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_W TSRMLS_CC);
zend_assign_to_object(&EX(opline)->result, object_ptr, &EX(opline)->op2, &op_data->op1, EX(Ts), ZEND_ASSIGN_OBJ TSRMLS_CC);
/* assign_obj has two opcodes! */
EX(opline)++;
NEXT_OPCODE();
}
int zend_assign_dim_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_op *op_data = EX(opline)+1;
zval **object_ptr = get_obj_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_W TSRMLS_CC);
if ((*object_ptr)->type == IS_OBJECT) {
zend_assign_to_object(&EX(opline)->result, object_ptr, &EX(opline)->op2, &op_data->op1, EX(Ts), ZEND_ASSIGN_DIM TSRMLS_CC);
} else {
zval *value;
zend_op *data_opline = EX(opline)+1;
(*object_ptr)->refcount++; /* undo the effect of get_obj_zval_ptr_ptr() */
zend_fetch_dimension_address(&data_opline->op2, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_W TSRMLS_CC);
value = get_zval_ptr(&data_opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
zend_assign_to_variable(&EX(opline)->result, &data_opline->op2, &data_opline->op1, value, (EG(free_op1)?IS_TMP_VAR:EX(opline)->op1.op_type), EX(Ts) TSRMLS_CC);
}
/* assign_dim has two opcodes! */
EX(opline)++;
NEXT_OPCODE();
}
int zend_assign_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval *value;
value = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
zend_assign_to_variable(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, value, (EG(free_op2)?IS_TMP_VAR:EX(opline)->op2.op_type), EX(Ts) TSRMLS_CC);
/* zend_assign_to_variable() always takes care of op2, never free it! */
NEXT_OPCODE();
}
int zend_assign_ref_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval **value_ptr_ptr = get_zval_ptr_ptr(&EX(opline)->op2, EX(Ts), BP_VAR_W);
zend_assign_to_variable_reference(&EX(opline)->result, get_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_W), value_ptr_ptr, EX(Ts) TSRMLS_CC);
NEXT_OPCODE();
}
int zend_jmp_handler(ZEND_OPCODE_HANDLER_ARGS)
{
#if DEBUG_ZEND>=2
printf("Jumping to %d\n", EX(opline)->op1.u.opline_num);
#endif
EX(opline) = EX(opline)->op1.u.jmp_addr;
return 0; /* CHECK_ME */
}
int zend_jmpz_handler(ZEND_OPCODE_HANDLER_ARGS)
{
znode *op1 = &EX(opline)->op1;
if (!i_zend_is_true(get_zval_ptr(op1, EX(Ts), &EG(free_op1), BP_VAR_R))) {
#if DEBUG_ZEND>=2
printf("Conditional jmp to %d\n", EX(opline)->op2.u.opline_num);
#endif
EX(opline) = EX(opline)->op2.u.jmp_addr;
FREE_OP(EX(Ts), op1, EG(free_op1));
return 0; /* CHECK_ME */
}
FREE_OP(EX(Ts), op1, EG(free_op1));
NEXT_OPCODE();
}
int zend_jmpnz_handler(ZEND_OPCODE_HANDLER_ARGS)
{
znode *op1 = &EX(opline)->op1;
if (zend_is_true(get_zval_ptr(op1, EX(Ts), &EG(free_op1), BP_VAR_R))) {
#if DEBUG_ZEND>=2
printf("Conditional jmp to %d\n", EX(opline)->op2.u.opline_num);
#endif
EX(opline) = EX(opline)->op2.u.jmp_addr;
FREE_OP(EX(Ts), op1, EG(free_op1));
return 0; /* CHECK_ME */
}
FREE_OP(EX(Ts), op1, EG(free_op1));
NEXT_OPCODE();
}
int zend_jmpznz_handler(ZEND_OPCODE_HANDLER_ARGS)
{
znode *res = &EX(opline)->op1;
if (zend_is_true(get_zval_ptr(res, EX(Ts), &EG(free_op1), BP_VAR_R))) {
#if DEBUG_ZEND>=2
printf("Conditional jmp on true to %d\n", EX(opline)->extended_value);
#endif
EX(opline) = &op_array->opcodes[EX(opline)->extended_value];
} else {
#if DEBUG_ZEND>=2
printf("Conditional jmp on false to %d\n", EX(opline)->op2.u.opline_num);
#endif
EX(opline) = &op_array->opcodes[EX(opline)->op2.u.opline_num];
}
FREE_OP(EX(Ts), res, EG(free_op1));
return 0; /* CHECK_ME */
}
int zend_jmpz_ex_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_op *original_opline = EX(opline);
int retval = zend_is_true(get_zval_ptr(&original_opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R));
FREE_OP(EX(Ts), &original_opline->op1, EG(free_op1));
EX_T(original_opline->result.u.var).tmp_var.value.lval = retval;
EX_T(original_opline->result.u.var).tmp_var.type = IS_BOOL;
if (!retval) {
#if DEBUG_ZEND>=2
printf("Conditional jmp to %d\n", EX(opline)->op2.u.opline_num);
#endif
EX(opline) = EX(opline)->op2.u.jmp_addr;
return 0; /* CHECK_ME */
}
NEXT_OPCODE();
}
int zend_jmpnz_ex_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_op *original_opline = EX(opline);
int retval = zend_is_true(get_zval_ptr(&original_opline->op1, EX(Ts), &EG(free_op1), BP_VAR_R));
FREE_OP(EX(Ts), &original_opline->op1, EG(free_op1));
EX_T(original_opline->result.u.var).tmp_var.value.lval = retval;
EX_T(original_opline->result.u.var).tmp_var.type = IS_BOOL;
if (retval) {
#if DEBUG_ZEND>=2
printf("Conditional jmp to %d\n", EX(opline)->op2.u.opline_num);
#endif
EX(opline) = EX(opline)->op2.u.jmp_addr;
return 0; /* CHECK_ME */
}
NEXT_OPCODE();
}
int zend_free_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zendi_zval_dtor(EX_T(EX(opline)->op1.u.var).tmp_var);
NEXT_OPCODE();
}
int zend_init_string_handler(ZEND_OPCODE_HANDLER_ARGS)
{
EX_T(EX(opline)->result.u.var).tmp_var.value.str.val = emalloc(1);
EX_T(EX(opline)->result.u.var).tmp_var.value.str.val[0] = 0;
EX_T(EX(opline)->result.u.var).tmp_var.value.str.len = 0;
EX_T(EX(opline)->result.u.var).tmp_var.refcount = 1;
EX_T(EX(opline)->result.u.var).tmp_var.type = IS_STRING;
EX_T(EX(opline)->result.u.var).tmp_var.is_ref = 0;
NEXT_OPCODE();
}
int zend_add_char_handler(ZEND_OPCODE_HANDLER_ARGS)
{
add_char_to_string(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_NA),
&EX(opline)->op2.u.constant);
/* FREE_OP is missing intentionally here - we're always working on the same temporary variable */
NEXT_OPCODE();
}
int zend_add_string_handler(ZEND_OPCODE_HANDLER_ARGS)
{
add_string_to_string(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_NA),
&EX(opline)->op2.u.constant);
/* FREE_OP is missing intentionally here - we're always working on the same temporary variable */
NEXT_OPCODE();
}
int zend_add_var_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval *var = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
zval var_copy;
int use_copy;
zend_make_printable_zval(var, &var_copy, &use_copy);
if (use_copy) {
var = &var_copy;
}
add_string_to_string( &EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_NA),
var);
if (use_copy) {
zval_dtor(var);
}
/* original comment, possibly problematic:
* FREE_OP is missing intentionally here - we're always working on the same temporary variable
* (Zeev): I don't think it's problematic, we only use variables
* which aren't affected by FREE_OP(Ts, )'s anyway, unless they're
* string offsets or overloaded objects
*/
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_fetch_class_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval *class_name;
if (EX(opline)->op2.op_type == IS_UNUSED) {
EX_T(EX(opline)->result.u.var).class_entry = zend_fetch_class(NULL, 0, EX(opline)->extended_value TSRMLS_CC);
NEXT_OPCODE();
}
class_name = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
switch (class_name->type) {
case IS_OBJECT:
EX_T(EX(opline)->result.u.var).class_entry = Z_OBJCE_P(class_name);
break;
case IS_STRING:
EX_T(EX(opline)->result.u.var).class_entry = zend_fetch_class(Z_STRVAL_P(class_name), Z_STRLEN_P(class_name), ZEND_FETCH_CLASS_DEFAULT TSRMLS_CC);
break;
default:
zend_error(E_ERROR, "Class name must be a valid object or a string");
break;
}
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_init_ctor_call_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_ptr_stack_n_push(&EG(arg_types_stack), 3, EX(fbc), EX(object), EX(calling_scope));
if (EX(opline)->op1.op_type == IS_VAR) {
SELECTIVE_PZVAL_LOCK(*EX_T(EX(opline)->op1.u.var).var.ptr_ptr, &EX(opline)->op1);
}
/* We are not handling overloaded classes right now */
EX(object) = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
if (!PZVAL_IS_REF(EX(object)) || !EG(implicit_clone)) {
EX(object)->refcount++; /* For $this pointer */
} else {
zval *this_ptr;
ALLOC_ZVAL(this_ptr);
*this_ptr = *EX(object);
INIT_PZVAL(this_ptr);
zval_copy_ctor(this_ptr);
EX(object) = this_ptr;
}
EX(fbc) = EX(fbc_constructor);
if (EX(fbc)->type == ZEND_USER_FUNCTION) { /* HACK!! */
EX(calling_scope) = EX(fbc)->common.scope;
} else {
EX(calling_scope) = NULL;
}
NEXT_OPCODE();
}
int zend_init_method_call_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval *function_name;
char *function_name_strval;
int function_name_strlen;
zend_ptr_stack_n_push(&EG(arg_types_stack), 3, EX(fbc), EX(object), EX(calling_scope));
function_name = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
if (Z_TYPE_P(function_name)!=IS_STRING) {
zend_error(E_ERROR, "Method name must be a string");
}
function_name_strval = function_name->value.str.val;
function_name_strlen = function_name->value.str.len;
EX(calling_scope) = EG(scope);
EX(object) = get_obj_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R TSRMLS_CC);
if (EX(object) && EX(object)->type == IS_OBJECT) {
/* First, locate the function. */
EX(fbc) = Z_OBJ_HT_P(EX(object))->get_method(EX(object), function_name_strval, function_name_strlen TSRMLS_CC);
if (!EX(fbc)) {
zend_error(E_ERROR, "Call to undefined method %s::%s()", Z_OBJ_CLASS_NAME_P(EX(object)), function_name_strval);
}
} else {
zend_error(E_ERROR, "Call to a member function %s() on a non-object", function_name_strval);
}
if (EX(fbc)->common.fn_flags & ZEND_ACC_STATIC) {
EX(object) = NULL;
} else {
if (!PZVAL_IS_REF(EX(object)) || !EG(implicit_clone)) {
EX(object)->refcount++; /* For $this pointer */
} else {
zval *this_ptr;
ALLOC_ZVAL(this_ptr);
*this_ptr = *EX(object);
INIT_PZVAL(this_ptr);
zval_copy_ctor(this_ptr);
EX(object) = this_ptr;
}
}
if (EX(fbc)->type == ZEND_USER_FUNCTION) {
EX(calling_scope) = EX(fbc)->common.scope;
} else {
EX(calling_scope) = NULL;
}
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_init_static_method_call_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval *function_name;
zend_class_entry *ce;
zend_ptr_stack_n_push(&EG(arg_types_stack), 3, EX(fbc), EX(object), EX(calling_scope));
ce = EX_T(EX(opline)->op1.u.var).class_entry;
if(EX(opline)->op2.op_type != IS_UNUSED) {
char *function_name_strval;
int function_name_strlen;
zend_bool is_const = (EX(opline)->op2.op_type == IS_CONST);
if (is_const) {
function_name_strval = EX(opline)->op2.u.constant.value.str.val;
function_name_strlen = EX(opline)->op2.u.constant.value.str.len;
} else {
function_name = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
if (Z_TYPE_P(function_name) != IS_STRING) {
zend_error(E_ERROR, "Function name must be a string");
}
function_name_strval = zend_str_tolower_dup(function_name->value.str.val, function_name->value.str.len);
function_name_strlen = function_name->value.str.len;
}
EX(fbc) = zend_std_get_static_method(ce, function_name_strval, function_name_strlen TSRMLS_CC);
if (!is_const) {
efree(function_name_strval);
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
}
} else {
if(!ce->constructor) {
zend_error(E_ERROR, "Can not call constructor");
}
EX(fbc) = ce->constructor;
}
EX(calling_scope) = EX(fbc)->common.scope;
if (EX(fbc)->common.fn_flags & ZEND_ACC_STATIC) {
EX(object) = NULL;
} else {
if ((EX(object) = EG(This))) {
EX(object)->refcount++;
}
}
NEXT_OPCODE();
}
int zend_init_fcall_by_name_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval *function_name;
zend_function *function;
zend_bool is_const;
char *function_name_strval, *lcname;
int function_name_strlen;
zend_ptr_stack_n_push(&EG(arg_types_stack), 3, EX(fbc), EX(object), EX(calling_scope));
is_const = (EX(opline)->op2.op_type == IS_CONST);
if (is_const) {
function_name_strval = EX(opline)->op2.u.constant.value.str.val;
function_name_strlen = EX(opline)->op2.u.constant.value.str.len;
} else {
function_name = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
if (Z_TYPE_P(function_name) != IS_STRING) {
zend_error(E_ERROR, "Function name must be a string");
}
function_name_strval = function_name->value.str.val;
function_name_strlen = function_name->value.str.len;
}
lcname = zend_str_tolower_dup(function_name_strval, function_name_strlen);
if (zend_hash_find(EG(function_table), lcname, function_name_strlen+1, (void **) &function)==FAILURE) {
efree(lcname);
zend_error(E_ERROR, "Call to undefined function %s()", function_name_strval);
}
efree(lcname);
if (!is_const) {
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
}
EX(calling_scope) = function->common.scope;
EX(object) = NULL;
EX(fbc) = function;
NEXT_OPCODE();
}
int zend_do_fcall_common_helper(ZEND_OPCODE_HANDLER_ARGS)
{
zval **original_return_value;
zend_class_entry *current_scope;
zval *current_this;
int return_value_used = RETURN_VALUE_USED(EX(opline));
zend_bool should_change_scope;
if (EX(function_state).function->common.fn_flags & ZEND_ACC_ABSTRACT) {
zend_error(E_ERROR, "Cannot call abstract method %s::%s()", EX(function_state).function->common.scope->name, EX(function_state).function->common.function_name);
NEXT_OPCODE(); /* Never reached */
}
zend_ptr_stack_n_push(&EG(argument_stack), 2, (void *) EX(opline)->extended_value, NULL);
EX_T(EX(opline)->result.u.var).var.ptr_ptr = &EX_T(EX(opline)->result.u.var).var.ptr;
if (EX(function_state).function->type == ZEND_USER_FUNCTION
|| EX(function_state).function->common.scope) {
should_change_scope = 1;
current_this = EG(This);
EG(This) = EX(object);
current_scope = EG(scope);
EG(scope) = EX(calling_scope);
} else {
should_change_scope = 0;
}
EX_T(EX(opline)->result.u.var).var.fcall_returned_reference = 0;
if (EX(function_state).function->type == ZEND_INTERNAL_FUNCTION) {
ALLOC_ZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
INIT_ZVAL(*(EX_T(EX(opline)->result.u.var).var.ptr));
if (EX(function_state).function->common.arg_info) {
zend_uint i=0;
zval **p;
ulong arg_count;
p = (zval **) EG(argument_stack).top_element-2;
arg_count = (ulong) *p;
while (arg_count>0) {
zend_verify_arg_type(EX(function_state).function, ++i, *(p-arg_count) TSRMLS_CC);
arg_count--;
}
}
if (!zend_execute_internal) {
/* saves one function call if zend_execute_internal is not used */
((zend_internal_function *) EX(function_state).function)->handler(EX(opline)->extended_value, EX_T(EX(opline)->result.u.var).var.ptr, EX(object), return_value_used TSRMLS_CC);
} else {
zend_execute_internal(execute_data, return_value_used TSRMLS_CC);
}
EG(current_execute_data) = execute_data;
EX_T(EX(opline)->result.u.var).var.ptr->is_ref = 0;
EX_T(EX(opline)->result.u.var).var.ptr->refcount = 1;
if (!return_value_used) {
zval_ptr_dtor(&EX_T(EX(opline)->result.u.var).var.ptr);
}
} else if (EX(function_state).function->type == ZEND_USER_FUNCTION) {
HashTable *calling_symbol_table;
EX_T(EX(opline)->result.u.var).var.ptr = NULL;
if (EG(symtable_cache_ptr)>=EG(symtable_cache)) {
/*printf("Cache hit! Reusing %x\n", symtable_cache[symtable_cache_ptr]);*/
EX(function_state).function_symbol_table = *(EG(symtable_cache_ptr)--);
} else {
ALLOC_HASHTABLE(EX(function_state).function_symbol_table);
zend_hash_init(EX(function_state).function_symbol_table, 0, NULL, ZVAL_PTR_DTOR, 0);
/*printf("Cache miss! Initialized %x\n", function_state.function_symbol_table);*/
}
calling_symbol_table = EG(active_symbol_table);
EG(active_symbol_table) = EX(function_state).function_symbol_table;
original_return_value = EG(return_value_ptr_ptr);
EG(return_value_ptr_ptr) = EX_T(EX(opline)->result.u.var).var.ptr_ptr;
EG(active_op_array) = (zend_op_array *) EX(function_state).function;
zend_execute(EG(active_op_array) TSRMLS_CC);
EX_T(EX(opline)->result.u.var).var.fcall_returned_reference = EG(active_op_array)->return_reference;
if (return_value_used && !EX_T(EX(opline)->result.u.var).var.ptr) {
if (!EG(exception)) {
ALLOC_ZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
INIT_ZVAL(*EX_T(EX(opline)->result.u.var).var.ptr);
}
} else if (!return_value_used && EX_T(EX(opline)->result.u.var).var.ptr) {
zval_ptr_dtor(&EX_T(EX(opline)->result.u.var).var.ptr);
}
EG(opline_ptr) = &EX(opline);
EG(active_op_array) = op_array;
EG(return_value_ptr_ptr)=original_return_value;
if (EG(symtable_cache_ptr)>=EG(symtable_cache_limit)) {
zend_hash_destroy(EX(function_state).function_symbol_table);
FREE_HASHTABLE(EX(function_state).function_symbol_table);
} else {
/* clean before putting into the cache, since clean
could call dtors, which could use cached hash */
zend_hash_clean(EX(function_state).function_symbol_table);
*(++EG(symtable_cache_ptr)) = EX(function_state).function_symbol_table;
}
EG(active_symbol_table) = calling_symbol_table;
} else { /* ZEND_OVERLOADED_FUNCTION */
ALLOC_ZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
INIT_ZVAL(*(EX_T(EX(opline)->result.u.var).var.ptr));
/* Not sure what should be done here if it's a static method */
if (EX(object)) {
Z_OBJ_HT_P(EX(object))->call_method(EX(fbc)->common.function_name, EX(opline)->extended_value, EX_T(EX(opline)->result.u.var).var.ptr, EX(object), return_value_used TSRMLS_CC);
} else {
zend_error(E_ERROR, "Cannot call overloaded function for non-object");
}
if (EX(function_state).function->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY) {
efree(EX(function_state).function->common.function_name);
}
efree(EX(fbc));
if (!return_value_used) {
zval_ptr_dtor(&EX_T(EX(opline)->result.u.var).var.ptr);
} else {
EX_T(EX(opline)->result.u.var).var.ptr->is_ref = 0;
EX_T(EX(opline)->result.u.var).var.ptr->refcount = 1;
}
}
if (EG(This)) {
if (EG(exception) && EX(fbc) && EX(fbc)->common.fn_flags&ZEND_ACC_CTOR) {
EG(This)->refcount--;
zval_ptr_dtor(&EG(This));
} else if (should_change_scope) {
zval_ptr_dtor(&EG(This));
}
}
if (should_change_scope) {
EG(This) = current_this;
EG(scope) = current_scope;
}
zend_ptr_stack_n_pop(&EG(arg_types_stack), 3, &EX(calling_scope), &EX(object), &EX(fbc));
EX(function_state).function = (zend_function *) op_array;
EG(function_state_ptr) = &EX(function_state);
zend_ptr_stack_clear_multiple(TSRMLS_C);
if (EG(exception)) {
if (return_value_used && EX_T(EX(opline)->result.u.var).var.ptr) {
zval_ptr_dtor(&EX_T(EX(opline)->result.u.var).var.ptr);
}
if (EX(opline)->op2.u.opline_num == -1) {
RETURN_FROM_EXECUTE_LOOP(execute_data);
} else {
EX(opline) = &op_array->opcodes[EX(opline)->op2.u.opline_num];
return 0; /* CHECK_ME */
}
}
NEXT_OPCODE();
}
int zend_do_fcall_by_name_handler(ZEND_OPCODE_HANDLER_ARGS)
{
EX(function_state).function = EX(fbc);
return zend_do_fcall_common_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_do_fcall_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval *fname = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
zend_ptr_stack_n_push(&EG(arg_types_stack), 3, EX(fbc), EX(object), EX(calling_scope));
do {
/*
if (EG(scope)) {
if (zend_hash_find(&EG(scope)->function_table, fname->value.str.val, fname->value.str.len+1, (void **) &EX(function_state).function) == SUCCESS) {
if ((EX(object) = EG(This))) {
EX(object)->refcount++;
}
EX(calling_scope) = EG(scope);
break;
}
}
*/
if (zend_hash_find(EG(function_table), fname->value.str.val, fname->value.str.len+1, (void **) &EX(function_state).function)==FAILURE) {
zend_error(E_ERROR, "Unknown function: %s()\n", fname->value.str.val);
}
EX(object) = NULL;
EX(calling_scope) = EX(function_state).function->common.scope;
} while (0);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
return zend_do_fcall_common_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_return_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval *retval_ptr;
zval **retval_ptr_ptr;
if (EG(active_op_array)->return_reference == ZEND_RETURN_REF) {
if (EX(opline)->op1.op_type == IS_CONST || EX(opline)->op1.op_type == IS_TMP_VAR) {
/* Not supposed to happen, but we'll allow it */
zend_error(E_STRICT, "Only variable references should be returned by reference");
goto return_by_value;
}
retval_ptr_ptr = get_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_W);
if (!retval_ptr_ptr) {
zend_error(E_ERROR, "Cannot return string offsets by reference");
}
if (!(*retval_ptr_ptr)->is_ref) {
if (EX_T(EX(opline)->op1.u.var).var.ptr_ptr == &EX_T(EX(opline)->op1.u.var).var.ptr
|| (EX(opline)->extended_value == ZEND_RETURNS_FUNCTION && !EX_T(EX(opline)->op1.u.var).var.fcall_returned_reference)) {
zend_error(E_STRICT, "Only variable references should be returned by reference");
PZVAL_LOCK(*retval_ptr_ptr); /* undo the effect of get_zval_ptr_ptr() */
goto return_by_value;
}
}
SEPARATE_ZVAL_TO_MAKE_IS_REF(retval_ptr_ptr);
(*retval_ptr_ptr)->refcount++;
(*EG(return_value_ptr_ptr)) = (*retval_ptr_ptr);
} else {
return_by_value:
retval_ptr = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
if (!EG(free_op1)) { /* Not a temp var */
if (PZVAL_IS_REF(retval_ptr) && retval_ptr->refcount > 0) {
ALLOC_ZVAL(*(EG(return_value_ptr_ptr)));
**EG(return_value_ptr_ptr) = *retval_ptr;
(*EG(return_value_ptr_ptr))->is_ref = 0;
(*EG(return_value_ptr_ptr))->refcount = 1;
zval_copy_ctor(*EG(return_value_ptr_ptr));
} else {
*EG(return_value_ptr_ptr) = retval_ptr;
retval_ptr->refcount++;
}
} else {
ALLOC_ZVAL(*(EG(return_value_ptr_ptr)));
**EG(return_value_ptr_ptr) = *retval_ptr;
(*EG(return_value_ptr_ptr))->refcount = 1;
(*EG(return_value_ptr_ptr))->is_ref = 0;
}
}
RETURN_FROM_EXECUTE_LOOP(execute_data);
}
int zend_throw_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval *value;
zval *exception;
value = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
if (value->type != IS_OBJECT) {
zend_error(E_ERROR, "Can only throw objects");
}
/* Not sure if a complete copy is what we want here */
MAKE_STD_ZVAL(exception);
*exception = *value;
if (!EG(free_op1)) {
zval_copy_ctor(exception);
}
INIT_PZVAL(exception);
EG(exception) = exception;
if (EX(opline)->op2.u.opline_num == -1) {
RETURN_FROM_EXECUTE_LOOP(execute_data);
} else {
EX(opline) = &op_array->opcodes[EX(opline)->op2.u.opline_num];
return 0; /* CHECK_ME */
}
NEXT_OPCODE();
}
int zend_catch_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_class_entry *ce;
/* Check if this is really an exception, if not, jump over code */
if (EG(exception) == NULL) {
EX(opline) = &op_array->opcodes[EX(opline)->extended_value];
return 0; /* CHECK_ME */
}
ce = Z_OBJCE_P(EG(exception));
if (ce != EX_T(EX(opline)->op1.u.var).class_entry) {
while (ce->parent) {
if (ce->parent == EX_T(EX(opline)->op1.u.var).class_entry) {
goto exception_should_be_taken;
}
ce = ce->parent;
}
EX(opline) = &op_array->opcodes[EX(opline)->extended_value];
return 0; /* CHECK_ME */
}
exception_should_be_taken:
zend_hash_update(EG(active_symbol_table), EX(opline)->op2.u.constant.value.str.val,
EX(opline)->op2.u.constant.value.str.len+1, &EG(exception), sizeof(zval *), (void **) NULL);
EG(exception) = NULL;
NEXT_OPCODE();
}
int zend_send_val_handler(ZEND_OPCODE_HANDLER_ARGS)
{
if (EX(opline)->extended_value==ZEND_DO_FCALL_BY_NAME
&& ARG_SHOULD_BE_SENT_BY_REF(EX(fbc), EX(opline)->op2.u.opline_num)) {
zend_error(E_ERROR, "Cannot pass parameter %d by reference", EX(opline)->op2.u.opline_num);
}
{
zval *valptr;
zval *value;
value = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
ALLOC_ZVAL(valptr);
*valptr = *value;
if (!EG(free_op1)) {
zval_copy_ctor(valptr);
}
INIT_PZVAL(valptr);
zend_ptr_stack_push(&EG(argument_stack), valptr);
}
NEXT_OPCODE();
}
static inline int zend_send_by_var_helper(ZEND_OPCODE_HANDLER_ARGS)
{
zval *varptr;
varptr = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
if (varptr == &EG(uninitialized_zval)) {
ALLOC_ZVAL(varptr);
INIT_ZVAL(*varptr);
varptr->refcount = 0;
} else if (PZVAL_IS_REF(varptr)) {
zval *original_var = varptr;
ALLOC_ZVAL(varptr);
*varptr = *original_var;
varptr->is_ref = 0;
varptr->refcount = 0;
zval_copy_ctor(varptr);
}
varptr->refcount++;
zend_ptr_stack_push(&EG(argument_stack), varptr);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1)); /* for string offsets */
NEXT_OPCODE();
}
int zend_send_var_no_ref_handler(ZEND_OPCODE_HANDLER_ARGS)
{
if (EX(opline)->extended_value & ZEND_ARG_COMPILE_TIME_BOUND) { /* Had function_ptr at compile_time */
if (!(EX(opline)->extended_value & ZEND_ARG_SEND_BY_REF)) {
return zend_send_by_var_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
} else if (!ARG_SHOULD_BE_SENT_BY_REF(EX(fbc), EX(opline)->op2.u.opline_num)) {
return zend_send_by_var_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
{
zval *varptr;
varptr = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
if (varptr != &EG(uninitialized_zval) && (PZVAL_IS_REF(varptr) || varptr->refcount == 1)) {
varptr->is_ref = 1;
varptr->refcount++;
zend_ptr_stack_push(&EG(argument_stack), varptr);
NEXT_OPCODE();
}
zend_error(E_ERROR, "Only variables can be passed by reference");
}
NEXT_OPCODE();
}
int zend_send_ref_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval **varptr_ptr;
zval *varptr;
varptr_ptr = get_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_W);
if (!varptr_ptr) {
zend_error(E_ERROR, "Only variables can be passed by reference");
}
SEPARATE_ZVAL_TO_MAKE_IS_REF(varptr_ptr);
varptr = *varptr_ptr;
varptr->refcount++;
zend_ptr_stack_push(&EG(argument_stack), varptr);
NEXT_OPCODE();
}
int zend_send_var_handler(ZEND_OPCODE_HANDLER_ARGS)
{
if ((EX(opline)->extended_value == ZEND_DO_FCALL_BY_NAME)
&& ARG_SHOULD_BE_SENT_BY_REF(EX(fbc), EX(opline)->op2.u.opline_num)) {
return zend_send_ref_handler(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
return zend_send_by_var_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_recv_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval **param;
zend_uint arg_num = EX(opline)->op1.u.constant.value.lval;
if (zend_ptr_stack_get_arg(arg_num, (void **) &param TSRMLS_CC)==FAILURE) {
zend_verify_arg_type((zend_function *) EG(active_op_array), arg_num, NULL TSRMLS_CC);
zend_error(E_WARNING, "Missing argument %ld for %s()", EX(opline)->op1.u.constant.value.lval, get_active_function_name(TSRMLS_C));
if (EX(opline)->result.op_type == IS_VAR) {
PZVAL_UNLOCK(*EX_T(EX(opline)->result.u.var).var.ptr_ptr);
}
} else {
zend_verify_arg_type((zend_function *) EG(active_op_array), arg_num, *param TSRMLS_CC);
if (PZVAL_IS_REF(*param)) {
zend_assign_to_variable_reference(&EX(opline)->result, get_zval_ptr_ptr(&EX(opline)->result, EX(Ts), BP_VAR_W), param, NULL TSRMLS_CC);
} else {
zend_assign_to_variable(&EX(opline)->result, &EX(opline)->result, NULL, *param, IS_VAR, EX(Ts) TSRMLS_CC);
}
}
NEXT_OPCODE();
}
int zend_recv_init_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval **param, *assignment_value;
zend_uint arg_num = EX(opline)->op1.u.constant.value.lval;
if (zend_ptr_stack_get_arg(arg_num, (void **) &param TSRMLS_CC)==FAILURE) {
if (EX(opline)->op2.u.constant.type == IS_CONSTANT || EX(opline)->op2.u.constant.type==IS_CONSTANT_ARRAY) {
zval *default_value;
ALLOC_ZVAL(default_value);
*default_value = EX(opline)->op2.u.constant;
if (EX(opline)->op2.u.constant.type==IS_CONSTANT_ARRAY) {
zval_copy_ctor(default_value);
}
default_value->refcount=1;
zval_update_constant(&default_value, 0 TSRMLS_CC);
default_value->refcount=0;
default_value->is_ref=0;
param = &default_value;
assignment_value = default_value;
} else {
param = NULL;
assignment_value = &EX(opline)->op2.u.constant;
}
zend_verify_arg_type((zend_function *) EG(active_op_array), arg_num, assignment_value TSRMLS_CC);
zend_assign_to_variable(&EX(opline)->result, &EX(opline)->result, NULL, assignment_value, IS_VAR, EX(Ts) TSRMLS_CC);
} else {
assignment_value = *param;
zend_verify_arg_type((zend_function *) EG(active_op_array), arg_num, assignment_value TSRMLS_CC);
if (PZVAL_IS_REF(assignment_value)) {
zend_assign_to_variable_reference(&EX(opline)->result, get_zval_ptr_ptr(&EX(opline)->result, EX(Ts), BP_VAR_W), param, NULL TSRMLS_CC);
} else {
zend_assign_to_variable(&EX(opline)->result, &EX(opline)->result, NULL, assignment_value, IS_VAR, EX(Ts) TSRMLS_CC);
}
}
NEXT_OPCODE();
}
int zend_bool_handler(ZEND_OPCODE_HANDLER_ARGS)
{
/* PHP 3.0 returned "" for false and 1 for true, here we use 0 and 1 for now */
EX_T(EX(opline)->result.u.var).tmp_var.value.lval = zend_is_true(get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R));
EX_T(EX(opline)->result.u.var).tmp_var.type = IS_BOOL;
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
NEXT_OPCODE();
}
static inline int zend_brk_cont_helper(ZEND_OPCODE_HANDLER_ARGS)
{
zval *nest_levels_zval = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
zval tmp;
int array_offset, 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;
array_offset = EX(opline)->op1.u.opline_num;
do {
if (array_offset==-1) {
zend_error(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, EX(Ts) TSRMLS_CC);
break;
case ZEND_FREE:
zendi_zval_dtor(EX_T(brk_opline->op1.u.var).tmp_var);
break;
}
}
array_offset = jmp_to->parent;
} while (--nest_levels > 0);
if (EX(opline)->opcode == ZEND_BRK) {
EX(opline) = op_array->opcodes+jmp_to->brk;
} else {
EX(opline) = op_array->opcodes+jmp_to->cont;
}
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
return 0; /* CHECK_ME */
}
int zend_brk_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_brk_cont_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_cont_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_brk_cont_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_case_handler(ZEND_OPCODE_HANDLER_ARGS)
{
int switch_expr_is_overloaded=0;
if (EX(opline)->op1.op_type==IS_VAR) {
if (EX_T(EX(opline)->op1.u.var).var.ptr_ptr) {
PZVAL_LOCK(EX_T(EX(opline)->op1.u.var).var.ptr);
} else {
switch_expr_is_overloaded = 1;
EX_T(EX(opline)->op1.u.var).var.str_offset.str->refcount++;
}
}
is_equal_function(&EX_T(EX(opline)->result.u.var).tmp_var,
get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R),
get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R) TSRMLS_CC);
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
if (switch_expr_is_overloaded) {
/* We only free op1 if this is a string offset,
* Since if it is a TMP_VAR, it'll be reused by
* other CASE opcodes (whereas string offsets
* are allocated at each get_zval_ptr())
*/
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
EX_T(EX(opline)->op1.u.var).var.ptr_ptr = NULL;
AI_USE_PTR(EX_T(EX(opline)->op1.u.var).var);
}
NEXT_OPCODE();
}
int zend_switch_free_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_switch_free(EX(opline), EX(Ts) TSRMLS_CC);
NEXT_OPCODE();
}
int zend_new_handler(ZEND_OPCODE_HANDLER_ARGS)
{
if (EX_T(EX(opline)->op1.u.var).class_entry->ce_flags & (ZEND_ACC_INTERFACE|ZEND_ACC_ABSTRACT_CLASS)) {
char *class_type;
if (EX_T(EX(opline)->op1.u.var).class_entry->ce_flags & ZEND_ACC_INTERFACE) {
class_type = "interface";
} else {
class_type = "abstract class";
}
zend_error(E_ERROR, "Cannot instantiate %s %s", class_type, EX_T(EX(opline)->op1.u.var).class_entry->name);
}
EX_T(EX(opline)->result.u.var).var.ptr_ptr = &EX_T(EX(opline)->result.u.var).var.ptr;
ALLOC_ZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
object_init_ex(EX_T(EX(opline)->result.u.var).var.ptr, EX_T(EX(opline)->op1.u.var).class_entry);
EX_T(EX(opline)->result.u.var).var.ptr->refcount=1;
EX_T(EX(opline)->result.u.var).var.ptr->is_ref=1;
NEXT_OPCODE();
}
int zend_clone_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval *obj = get_obj_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R TSRMLS_CC);
zend_class_entry *ce;
zend_function *clone;
zend_object_clone_obj_t clone_call;
if (!obj || Z_TYPE_P(obj) != IS_OBJECT) {
zend_error(E_WARNING, "__clone method called on non-object");
EX_T(EX(opline)->result.u.var).var.ptr = EG(error_zval_ptr);
EX_T(EX(opline)->result.u.var).var.ptr->refcount++;
NEXT_OPCODE();
}
ce = Z_OBJCE_P(obj);
clone = ce ? ce->clone : NULL;
clone_call = Z_OBJ_HT_P(obj)->clone_obj;
if (!clone_call) {
zend_error(E_ERROR, "Trying to clone an uncloneable object of class %s", ce->name);
EX_T(EX(opline)->result.u.var).var.ptr = EG(error_zval_ptr);
EX_T(EX(opline)->result.u.var).var.ptr->refcount++;
}
if (ce && clone) {
if (clone->op_array.fn_flags & ZEND_ACC_PRIVATE) {
/* Ensure that if we're calling a private function, we're allowed to do so.
*/
if (ce != EG(scope)) {
zend_error(E_ERROR, "Call to private %s::__clone() from context '%s'", ce->name, EG(scope) ? EG(scope)->name : "");
}
} else if ((clone->common.fn_flags & ZEND_ACC_PROTECTED)) {
/* Ensure that if we're calling a protected function, we're allowed to do so.
*/
if (!zend_check_protected(clone->common.scope, EG(scope))) {
zend_error(E_ERROR, "Call to protected %s::__clone() from context '%s'", ce->name, EG(scope) ? EG(scope)->name : "");
}
}
}
EX_T(EX(opline)->result.u.var).var.ptr_ptr = &EX_T(EX(opline)->result.u.var).var.ptr;
ALLOC_ZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
EX_T(EX(opline)->result.u.var).var.ptr->value.obj = clone_call(obj TSRMLS_CC);
if (EG(exception)) {
FREE_ZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
if (EX(opline)->op2.u.opline_num == -1) {
RETURN_FROM_EXECUTE_LOOP(execute_data);
} else {
EX(opline) = &op_array->opcodes[EX(opline)->op2.u.opline_num];
return 0; /* CHECK_ME */
}
}
EX_T(EX(opline)->result.u.var).var.ptr->type = IS_OBJECT;
EX_T(EX(opline)->result.u.var).var.ptr->refcount=1;
EX_T(EX(opline)->result.u.var).var.ptr->is_ref=1;
NEXT_OPCODE();
}
int zend_fetch_constant_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_class_entry *ce = NULL;
zval **value;
if (EX(opline)->op1.op_type == IS_UNUSED) {
if (EG(scope)) {
ce = EG(scope);
if (zend_hash_find(&ce->constants_table, EX(opline)->op2.u.constant.value.str.val, EX(opline)->op2.u.constant.value.str.len+1, (void **) &value) == SUCCESS) {
zval_update_constant(value, (void *) 1 TSRMLS_CC);
EX_T(EX(opline)->result.u.var).tmp_var = **value;
zval_copy_ctor(&EX_T(EX(opline)->result.u.var).tmp_var);
NEXT_OPCODE();
}
}
if (!zend_get_constant(EX(opline)->op2.u.constant.value.str.val, EX(opline)->op2.u.constant.value.str.len, &EX_T(EX(opline)->result.u.var).tmp_var TSRMLS_CC)) {
zend_error(E_NOTICE, "Use of undefined constant %s - assumed '%s'",
EX(opline)->op2.u.constant.value.str.val,
EX(opline)->op2.u.constant.value.str.val);
EX_T(EX(opline)->result.u.var).tmp_var = EX(opline)->op2.u.constant;
zval_copy_ctor(&EX_T(EX(opline)->result.u.var).tmp_var);
}
NEXT_OPCODE();
}
ce = EX_T(EX(opline)->op1.u.var).class_entry;
if (zend_hash_find(&ce->constants_table, EX(opline)->op2.u.constant.value.str.val, EX(opline)->op2.u.constant.value.str.len+1, (void **) &value) == SUCCESS) {
zval_update_constant(value, (void *) 1 TSRMLS_CC);
EX_T(EX(opline)->result.u.var).tmp_var = **value;
zval_copy_ctor(&EX_T(EX(opline)->result.u.var).tmp_var);
} else {
zend_error(E_ERROR, "Undefined class constant '%s'", EX(opline)->op2.u.constant.value.str.val);
}
NEXT_OPCODE();
}
static inline int zend_init_add_array_helper(ZEND_OPCODE_HANDLER_ARGS)
{
zval *array_ptr = &EX_T(EX(opline)->result.u.var).tmp_var;
zval *expr_ptr, **expr_ptr_ptr = NULL;
zval *offset=get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
if (EX(opline)->extended_value) {
expr_ptr_ptr=get_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_R);
expr_ptr = *expr_ptr_ptr;
} else {
expr_ptr=get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
}
if (EX(opline)->opcode == ZEND_INIT_ARRAY) {
array_init(array_ptr);
if (!expr_ptr) {
NEXT_OPCODE();
}
}
if (!EX(opline)->extended_value && EG(free_op1)) { /* temporary variable */
zval *new_expr;
ALLOC_ZVAL(new_expr);
*new_expr = *expr_ptr;
expr_ptr = new_expr;
INIT_PZVAL(expr_ptr);
} else {
if (EX(opline)->extended_value) {
SEPARATE_ZVAL_TO_MAKE_IS_REF(expr_ptr_ptr);
expr_ptr = *expr_ptr_ptr;
expr_ptr->refcount++;
} else if (PZVAL_IS_REF(expr_ptr)) {
zval *new_expr;
ALLOC_ZVAL(new_expr);
*new_expr = *expr_ptr;
expr_ptr = new_expr;
zendi_zval_copy_ctor(*expr_ptr);
INIT_PZVAL(expr_ptr);
} else {
expr_ptr->refcount++;
}
}
if (offset) {
switch (offset->type) {
case IS_DOUBLE:
zend_hash_index_update(array_ptr->value.ht, (long) offset->value.dval, &expr_ptr, sizeof(zval *), NULL);
break;
case IS_LONG:
case IS_BOOL:
zend_hash_index_update(array_ptr->value.ht, offset->value.lval, &expr_ptr, sizeof(zval *), NULL);
break;
case IS_STRING:
zend_symtable_update(array_ptr->value.ht, offset->value.str.val, offset->value.str.len+1, &expr_ptr, sizeof(zval *), NULL);
break;
case IS_NULL:
zend_hash_update(array_ptr->value.ht, "", sizeof(""), &expr_ptr, sizeof(zval *), NULL);
break;
default:
zval_ptr_dtor(&expr_ptr);
/* do nothing */
break;
}
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
} else {
zend_hash_next_index_insert(array_ptr->value.ht, &expr_ptr, sizeof(zval *), NULL);
}
NEXT_OPCODE();
}
int zend_init_array_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_init_add_array_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_add_array_element_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_init_add_array_helper(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_cast_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval *expr = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
zval *result = &EX_T(EX(opline)->result.u.var).tmp_var;
*result = *expr;
if (!EG(free_op1)) {
zendi_zval_copy_ctor(*result);
}
switch (EX(opline)->extended_value) {
case IS_NULL:
convert_to_null(result);
break;
case IS_BOOL:
convert_to_boolean(result);
break;
case IS_LONG:
convert_to_long(result);
break;
case IS_DOUBLE:
convert_to_double(result);
break;
case IS_STRING: {
zval var_copy;
int use_copy;
zend_make_printable_zval(result, &var_copy, &use_copy);
if (use_copy) {
zval_dtor(result);
*result = var_copy;
}
break;
}
case IS_ARRAY:
convert_to_array(result);
break;
case IS_OBJECT:
convert_to_object(result);
break;
}
NEXT_OPCODE();
}
int zend_include_or_eval_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_op_array *new_op_array=NULL;
zval **original_return_value = EG(return_value_ptr_ptr);
int return_value_used;
zval *inc_filename = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
zval tmp_inc_filename;
zend_bool failure_retval=0;
if (inc_filename->type!=IS_STRING) {
tmp_inc_filename = *inc_filename;
zval_copy_ctor(&tmp_inc_filename);
convert_to_string(&tmp_inc_filename);
inc_filename = &tmp_inc_filename;
}
return_value_used = RETURN_VALUE_USED(EX(opline));
switch (EX(opline)->op2.u.constant.value.lval) {
case ZEND_INCLUDE_ONCE:
case ZEND_REQUIRE_ONCE: {
int dummy = 1;
zend_file_handle file_handle;
if (SUCCESS == zend_stream_open(inc_filename->value.str.val, &file_handle TSRMLS_CC)) {
if (!file_handle.opened_path) {
file_handle.opened_path = estrndup(inc_filename->value.str.val, inc_filename->value.str.len);
}
if (zend_hash_add(&EG(included_files), file_handle.opened_path, strlen(file_handle.opened_path)+1, (void *)&dummy, sizeof(int), NULL)==SUCCESS) {
new_op_array = zend_compile_file(&file_handle, (EX(opline)->op2.u.constant.value.lval==ZEND_INCLUDE_ONCE?ZEND_INCLUDE:ZEND_REQUIRE) TSRMLS_CC);
zend_destroy_file_handle(&file_handle TSRMLS_CC);
} else {
zend_file_handle_dtor(&file_handle);
failure_retval=1;
}
} else {
if (EX(opline)->op2.u.constant.value.lval==ZEND_INCLUDE_ONCE) {
zend_message_dispatcher(ZMSG_FAILED_INCLUDE_FOPEN, inc_filename->value.str.val);
} else {
zend_message_dispatcher(ZMSG_FAILED_REQUIRE_FOPEN, inc_filename->value.str.val);
}
}
break;
}
break;
case ZEND_INCLUDE:
case ZEND_REQUIRE:
new_op_array = compile_filename(EX(opline)->op2.u.constant.value.lval, inc_filename TSRMLS_CC);
break;
case ZEND_EVAL: {
char *eval_desc = zend_make_compiled_string_description("eval()'d code" TSRMLS_CC);
new_op_array = compile_string(inc_filename, eval_desc TSRMLS_CC);
efree(eval_desc);
}
break;
EMPTY_SWITCH_DEFAULT_CASE()
}
if (inc_filename==&tmp_inc_filename) {
zval_dtor(&tmp_inc_filename);
}
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
EX_T(EX(opline)->result.u.var).var.ptr_ptr = &EX_T(EX(opline)->result.u.var).var.ptr;
if (new_op_array) {
zval *saved_object;
zend_function *saved_function;
EG(return_value_ptr_ptr) = EX_T(EX(opline)->result.u.var).var.ptr_ptr;
EG(active_op_array) = new_op_array;
EX_T(EX(opline)->result.u.var).var.ptr = NULL;
saved_object = EX(object);
saved_function = EX(function_state).function;
EX(function_state).function = (zend_function *) new_op_array;
EX(object) = NULL;
zend_execute(new_op_array TSRMLS_CC);
EX(function_state).function = saved_function;
EX(object) = saved_object;
if (!return_value_used) {
if (EX_T(EX(opline)->result.u.var).var.ptr) {
zval_ptr_dtor(&EX_T(EX(opline)->result.u.var).var.ptr);
}
} else { /* return value is used */
if (!EX_T(EX(opline)->result.u.var).var.ptr) { /* there was no return statement */
ALLOC_ZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
INIT_PZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
EX_T(EX(opline)->result.u.var).var.ptr->value.lval = 1;
EX_T(EX(opline)->result.u.var).var.ptr->type = IS_BOOL;
}
}
EG(opline_ptr) = &EX(opline);
EG(active_op_array) = op_array;
EG(function_state_ptr) = &EX(function_state);
destroy_op_array(new_op_array TSRMLS_CC);
efree(new_op_array);
} else {
if (return_value_used) {
ALLOC_ZVAL(EX_T(EX(opline)->result.u.var).var.ptr);
INIT_ZVAL(*EX_T(EX(opline)->result.u.var).var.ptr);
EX_T(EX(opline)->result.u.var).var.ptr->value.lval = failure_retval;
EX_T(EX(opline)->result.u.var).var.ptr->type = IS_BOOL;
}
}
EG(return_value_ptr_ptr) = original_return_value;
NEXT_OPCODE();
}
int zend_unset_var_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval tmp, *varname;
HashTable *target_symbol_table;
varname = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
if (varname->type != IS_STRING) {
tmp = *varname;
zval_copy_ctor(&tmp);
convert_to_string(&tmp);
varname = &tmp;
}
if (EX(opline)->op2.u.EA.type == ZEND_FETCH_STATIC_MEMBER) {
zend_std_unset_static_property(EX_T(EX(opline)->op2.u.var).class_entry, Z_STRVAL_P(varname), Z_STRLEN_P(varname) TSRMLS_CC);
} else {
target_symbol_table = zend_get_target_symbol_table(EX(opline), EX(Ts), BP_VAR_IS, varname TSRMLS_CC);
zend_hash_del(target_symbol_table, varname->value.str.val, varname->value.str.len+1);
}
if (varname == &tmp) {
zval_dtor(&tmp);
}
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
NEXT_OPCODE();
}
int zend_unset_dim_obj_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval **container = get_obj_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_R TSRMLS_CC);
zval *offset = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
long index;
if (container) {
HashTable *ht;
if (EX(opline)->extended_value == ZEND_UNSET_DIM) {
switch (Z_TYPE_PP(container)) {
case IS_ARRAY:
ht = Z_ARRVAL_PP(container);
break;
case IS_OBJECT:
ht = NULL;
if (!Z_OBJ_HT_P(*container)->unset_dimension) {
zend_error(E_ERROR, "Cannot use object as array");
}
Z_OBJ_HT_P(*container)->unset_dimension(*container, offset TSRMLS_CC);
break;
case IS_STRING:
zend_error(E_ERROR, "Cannot unset string offsets");
return 0; /* bailed out before */
default:
ht = NULL;
break;
}
} else { /* ZEND_UNSET_OBJ */
ht = NULL;
if (Z_TYPE_PP(container) == IS_OBJECT) {
Z_OBJ_HT_P(*container)->unset_property(*container, offset TSRMLS_CC);
}
}
if (ht) {
switch (offset->type) {
case IS_DOUBLE:
case IS_RESOURCE:
case IS_BOOL:
case IS_LONG:
if (offset->type == IS_DOUBLE) {
index = (long) offset->value.lval;
} else {
index = offset->value.lval;
}
zend_hash_index_del(ht, index);
break;
case IS_STRING:
zend_symtable_del(ht, offset->value.str.val, offset->value.str.len+1);
break;
case IS_NULL:
zend_hash_del(ht, "", sizeof(""));
break;
default:
zend_error(E_WARNING, "Illegal offset type in unset");
break;
}
}
} else {
/* overloaded element */
}
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_fe_reset_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval *array_ptr, **array_ptr_ptr;
HashTable *fe_ht;
zend_object_iterator *iter = NULL;
zend_class_entry *ce = NULL;
if (EX(opline)->extended_value) {
array_ptr_ptr = get_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_R);
if (array_ptr_ptr == NULL) {
MAKE_STD_ZVAL(array_ptr);
} else if (Z_TYPE_PP(array_ptr_ptr) == IS_OBJECT) {
ce = Z_OBJCE_PP(array_ptr_ptr);
if (!ce || ce->get_iterator == NULL) {
SEPARATE_ZVAL_IF_NOT_REF(array_ptr_ptr);
(*array_ptr_ptr)->refcount++;
}
array_ptr = *array_ptr_ptr;
} else {
SEPARATE_ZVAL_IF_NOT_REF(array_ptr_ptr);
array_ptr = *array_ptr_ptr;
array_ptr->refcount++;
}
} else {
array_ptr = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
if (EG(free_op1)) { /* IS_TMP_VAR */
zval *tmp;
ALLOC_ZVAL(tmp);
*tmp = *array_ptr;
INIT_PZVAL(tmp);
array_ptr = tmp;
} else if (Z_TYPE_P(array_ptr) == IS_OBJECT) {
ce = Z_OBJCE_P(array_ptr);
} else {
array_ptr->refcount++;
}
}
if (ce && ce->get_iterator) {
iter = ce->get_iterator(ce, array_ptr TSRMLS_CC);
if (iter) {
array_ptr = zend_iterator_wrap(iter TSRMLS_CC);
} else {
array_ptr->refcount++;
}
}
PZVAL_LOCK(array_ptr);
EX_T(EX(opline)->result.u.var).var.ptr = array_ptr;
EX_T(EX(opline)->result.u.var).var.ptr_ptr = &EX_T(EX(opline)->result.u.var).var.ptr;
if (iter) {
iter->index = 0;
if (iter->funcs->rewind) {
iter->funcs->rewind(iter TSRMLS_CC);
}
} else if ((fe_ht = HASH_OF(array_ptr)) != NULL) {
/* probably redundant */
zend_hash_internal_pointer_reset(fe_ht);
} else {
zend_error(E_WARNING, "Invalid argument supplied for foreach()");
EX(opline)++;
EX(opline) = op_array->opcodes+EX(opline)->op2.u.opline_num;
return 0;
}
NEXT_OPCODE();
}
int zend_fe_fetch_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval *array = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
zval *result = &EX_T(EX(opline)->result.u.var).tmp_var;
zval **value, *key;
char *str_key;
uint str_key_len;
ulong int_key;
HashTable *fe_ht;
zend_object_iterator *iter = NULL;
int key_type;
PZVAL_LOCK(array);
switch (zend_iterator_unwrap(array, &iter TSRMLS_CC)) {
default:
case ZEND_ITER_INVALID:
zend_error(E_WARNING, "Invalid argument supplied for foreach()");
EX(opline) = op_array->opcodes+EX(opline)->op2.u.opline_num;
return 0; /* CHECK_ME */
case ZEND_ITER_PLAIN_ARRAY:
/* good old fashioned foreach on an array */
fe_ht = HASH_OF(array);
if (Z_TYPE_P(array) == IS_OBJECT) {
char *class_name, *prop_name;
zend_object *zobj = zend_objects_get_address(array TSRMLS_CC);
do {
if (zend_hash_get_current_data(fe_ht, (void **) &value)==FAILURE) {
/* reached end of iteration */
EX(opline) = op_array->opcodes+EX(opline)->op2.u.opline_num;
return 0; /* CHECK_ME */
}
key_type = zend_hash_get_current_key_ex(fe_ht, &str_key, &str_key_len, &int_key, 0, NULL);
zend_hash_move_forward(fe_ht);
} while (zend_check_property_access(zobj, str_key TSRMLS_CC) != SUCCESS);
zend_unmangle_property_name(str_key, &class_name, &prop_name);
str_key_len = strlen(prop_name);
str_key = estrndup(prop_name, str_key_len);
str_key_len++;
} else {
if (zend_hash_get_current_data(fe_ht, (void **) &value)==FAILURE) {
/* reached end of iteration */
EX(opline) = op_array->opcodes+EX(opline)->op2.u.opline_num;
return 0; /* CHECK_ME */
}
key_type = zend_hash_get_current_key_ex(fe_ht, &str_key, &str_key_len, &int_key, 1, NULL);
zend_hash_move_forward(fe_ht);
}
break;
case ZEND_ITER_OBJECT:
/* !iter happens from exception */
if (iter && iter->index++) {
/* This could cause an endless loop if index becomes zero again.
* In case that ever happens we need an additional flag. */
iter->funcs->move_forward(iter TSRMLS_CC);
}
if (!iter || iter->funcs->has_more(iter TSRMLS_CC) == FAILURE) {
/* reached end of iteration */
EX(opline) = op_array->opcodes+EX(opline)->op2.u.opline_num;
return 0; /* CHECK_ME */
}
iter->funcs->get_current_data(iter, &value TSRMLS_CC);
if (iter->funcs->get_current_key) {
key_type = iter->funcs->get_current_key(iter, &str_key, &str_key_len, &int_key TSRMLS_CC);
} else {
key_type = HASH_KEY_IS_LONG;
int_key = iter->index;
}
break;
}
array_init(result);
if (EX(opline)->extended_value) {
SEPARATE_ZVAL_IF_NOT_REF(value);
(*value)->is_ref = 1;
}
(*value)->refcount++;
zend_hash_index_update(result->value.ht, 0, value, sizeof(zval *), NULL);
ALLOC_ZVAL(key);
INIT_PZVAL(key);
switch (key_type) {
case HASH_KEY_IS_STRING:
key->value.str.val = str_key;
key->value.str.len = str_key_len-1;
key->type = IS_STRING;
break;
case HASH_KEY_IS_LONG:
key->value.lval = int_key;
key->type = IS_LONG;
break;
EMPTY_SWITCH_DEFAULT_CASE()
}
zend_hash_index_update(result->value.ht, 1, &key, sizeof(zval *), NULL);
NEXT_OPCODE();
}
int zend_jmp_no_ctor_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval *object_zval;
zend_function *constructor;
if (EX(opline)->op1.op_type == IS_VAR) {
PZVAL_LOCK(*EX_T(EX(opline)->op1.u.var).var.ptr_ptr);
}
object_zval = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
constructor = Z_OBJ_HT_P(object_zval)->get_constructor(object_zval TSRMLS_CC);
EX(fbc_constructor) = NULL;
if (constructor == NULL) {
if(EX(opline)->op1.u.EA.type & EXT_TYPE_UNUSED) {
zval_ptr_dtor(EX_T(EX(opline)->op1.u.var).var.ptr_ptr);
}
EX(opline) = op_array->opcodes + EX(opline)->op2.u.opline_num;
return 0; /* CHECK_ME */
} else {
EX(fbc_constructor) = constructor;
}
NEXT_OPCODE();
}
int zend_isset_isempty_var_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval tmp, *varname = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
zval **value;
zend_bool isset = 1;
HashTable *target_symbol_table;
if (varname->type != IS_STRING) {
tmp = *varname;
zval_copy_ctor(&tmp);
convert_to_string(&tmp);
varname = &tmp;
}
if (EX(opline)->op2.u.EA.type == ZEND_FETCH_STATIC_MEMBER) {
value = zend_std_get_static_property(EX_T(EX(opline)->op2.u.var).class_entry, Z_STRVAL_P(varname), Z_STRLEN_P(varname), 1 TSRMLS_CC);
if (!value) {
isset = 0;
}
} else {
target_symbol_table = zend_get_target_symbol_table(EX(opline), EX(Ts), BP_VAR_IS, varname TSRMLS_CC);
if (zend_hash_find(target_symbol_table, varname->value.str.val, varname->value.str.len+1, (void **) &value) == FAILURE) {
isset = 0;
}
}
EX_T(EX(opline)->result.u.var).tmp_var.type = IS_BOOL;
switch (EX(opline)->extended_value) {
case ZEND_ISSET:
if (isset && Z_TYPE_PP(value) == IS_NULL) {
EX_T(EX(opline)->result.u.var).tmp_var.value.lval = 0;
} else {
EX_T(EX(opline)->result.u.var).tmp_var.value.lval = isset;
}
break;
case ZEND_ISEMPTY:
if (!isset || !zend_is_true(*value)) {
EX_T(EX(opline)->result.u.var).tmp_var.value.lval = 1;
} else {
EX_T(EX(opline)->result.u.var).tmp_var.value.lval = 0;
}
break;
}
if (varname == &tmp) {
zval_dtor(&tmp);
}
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
NEXT_OPCODE();
}
static int zend_isset_isempty_dim_prop_obj_handler(int prop_dim, ZEND_OPCODE_HANDLER_ARGS)
{
zval **container = get_obj_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), BP_VAR_R TSRMLS_CC);
zval *offset = get_zval_ptr(&EX(opline)->op2, EX(Ts), &EG(free_op2), BP_VAR_R);
zval **value = NULL;
int result = 0;
long index;
if (container) {
if ((*container)->type == IS_ARRAY) {
HashTable *ht;
int isset = 0;
ht = (*container)->value.ht;
switch (offset->type) {
case IS_DOUBLE:
case IS_RESOURCE:
case IS_BOOL:
case IS_LONG:
if (offset->type == IS_DOUBLE) {
index = (long) offset->value.lval;
} else {
index = offset->value.lval;
}
if (zend_hash_index_find(ht, index, (void **) &value) == SUCCESS) {
isset = 1;
}
break;
case IS_STRING:
if (zend_symtable_find(ht, offset->value.str.val, offset->value.str.len+1, (void **) &value) == SUCCESS) {
isset = 1;
}
break;
case IS_NULL:
if (zend_hash_find(ht, "", sizeof(""), (void **) &value) == SUCCESS) {
isset = 1;
}
break;
default:
zend_error(E_WARNING, "Illegal offset type in unset");
break;
}
switch (EX(opline)->extended_value) {
case ZEND_ISSET:
if (isset && Z_TYPE_PP(value) == IS_NULL) {
result = 0;
} else {
result = isset;
}
break;
case ZEND_ISEMPTY:
if (!isset || !zend_is_true(*value)) {
result = 0;
} else {
result = 1;
}
break;
}
} else if ((*container)->type == IS_OBJECT) {
if (prop_dim) {
result = Z_OBJ_HT_P(*container)->has_property(*container, offset, (EX(opline)->extended_value == ZEND_ISEMPTY) TSRMLS_CC);
} else {
result = Z_OBJ_HT_P(*container)->has_dimension(*container, offset, (EX(opline)->extended_value == ZEND_ISEMPTY) TSRMLS_CC);
}
} else if ((*container)->type == IS_STRING) { /* string offsets */
switch (EX(opline)->extended_value) {
case ZEND_ISSET:
if (offset->value.lval <= Z_STRLEN_PP(container)) {
result = 1;
}
break;
case ZEND_ISEMPTY:
if (offset->value.lval <= Z_STRLEN_PP(container) && Z_STRVAL_PP(container)[offset->value.lval] != '0') {
result = 1;
}
break;
}
}
}
EX_T(EX(opline)->result.u.var).tmp_var.type = IS_BOOL;
switch (EX(opline)->extended_value) {
case ZEND_ISSET:
EX_T(EX(opline)->result.u.var).tmp_var.value.lval = result;
break;
case ZEND_ISEMPTY:
EX_T(EX(opline)->result.u.var).tmp_var.value.lval = !result;
break;
}
FREE_OP(EX(Ts), &EX(opline)->op2, EG(free_op2));
NEXT_OPCODE();
}
int zend_isset_isempty_dim_obj_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_isset_isempty_dim_prop_obj_handler(0, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_isset_isempty_prop_obj_handler(ZEND_OPCODE_HANDLER_ARGS)
{
return zend_isset_isempty_dim_prop_obj_handler(1, ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
int zend_exit_handler(ZEND_OPCODE_HANDLER_ARGS)
{
if (EX(opline)->op1.op_type != IS_UNUSED) {
zval *ptr;
ptr = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
if (Z_TYPE_P(ptr) == IS_LONG) {
EG(exit_status) = Z_LVAL_P(ptr);
} else {
zend_print_variable(ptr);
}
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
}
zend_bailout();
NEXT_OPCODE();
}
int zend_begin_silence_handler(ZEND_OPCODE_HANDLER_ARGS)
{
EX_T(EX(opline)->result.u.var).tmp_var.value.lval = EG(error_reporting);
EX_T(EX(opline)->result.u.var).tmp_var.type = IS_LONG; /* shouldn't be necessary */
zend_alter_ini_entry("error_reporting", sizeof("error_reporting"), "0", 1, ZEND_INI_USER, ZEND_INI_STAGE_RUNTIME);
NEXT_OPCODE();
}
int zend_raise_abstract_error_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_error(E_ERROR, "Cannot call abstract method %s::%s()", EG(scope)->name, op_array->function_name);
NEXT_OPCODE(); /* Never reached */
}
int zend_end_silence_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval restored_error_reporting;
restored_error_reporting.type = IS_LONG;
restored_error_reporting.value.lval = EX_T(EX(opline)->op1.u.var).tmp_var.value.lval;
convert_to_string(&restored_error_reporting);
zend_alter_ini_entry("error_reporting", sizeof("error_reporting"), Z_STRVAL(restored_error_reporting), Z_STRLEN(restored_error_reporting), ZEND_INI_USER, ZEND_INI_STAGE_RUNTIME);
zendi_zval_dtor(restored_error_reporting);
NEXT_OPCODE();
}
int zend_qm_assign_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval *value = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
EX_T(EX(opline)->result.u.var).tmp_var = *value;
if (!EG(free_op1)) {
zval_copy_ctor(&EX_T(EX(opline)->result.u.var).tmp_var);
}
NEXT_OPCODE();
}
int zend_ext_stmt_handler(ZEND_OPCODE_HANDLER_ARGS)
{
if (!EG(no_extensions)) {
zend_llist_apply_with_argument(&zend_extensions, (llist_apply_with_arg_func_t) zend_extension_statement_handler, op_array TSRMLS_CC);
}
NEXT_OPCODE();
}
int zend_ext_fcall_begin_handler(ZEND_OPCODE_HANDLER_ARGS)
{
if (!EG(no_extensions)) {
zend_llist_apply_with_argument(&zend_extensions, (llist_apply_with_arg_func_t) zend_extension_fcall_begin_handler, op_array TSRMLS_CC);
}
NEXT_OPCODE();
}
int zend_ext_fcall_end_handler(ZEND_OPCODE_HANDLER_ARGS)
{
if (!EG(no_extensions)) {
zend_llist_apply_with_argument(&zend_extensions, (llist_apply_with_arg_func_t) zend_extension_fcall_end_handler, op_array TSRMLS_CC);
}
NEXT_OPCODE();
}
int zend_declare_class_handler(ZEND_OPCODE_HANDLER_ARGS)
{
EX_T(EX(opline)->result.u.var).class_entry = do_bind_class(EX(opline), EG(function_table), EG(class_table) TSRMLS_CC);
NEXT_OPCODE();
}
int zend_declare_inherited_class_handler(ZEND_OPCODE_HANDLER_ARGS)
{
EX_T(EX(opline)->result.u.var).class_entry = do_bind_inherited_class(EX(opline), EG(function_table), EG(class_table), EX_T(EX(opline)->extended_value).class_entry TSRMLS_CC);
NEXT_OPCODE();
}
int zend_declare_function_handler(ZEND_OPCODE_HANDLER_ARGS)
{
do_bind_function(EX(opline), EG(function_table), EG(class_table), 0);
NEXT_OPCODE();
}
int zend_ticks_handler(ZEND_OPCODE_HANDLER_ARGS)
{
if (++EG(ticks_count)>=EX(opline)->op1.u.constant.value.lval) {
EG(ticks_count)=0;
if (zend_ticks_function) {
zend_ticks_function(EX(opline)->op1.u.constant.value.lval);
}
}
NEXT_OPCODE();
}
int zend_instanceof_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zval *expr = get_zval_ptr(&EX(opline)->op1, EX(Ts), &EG(free_op1), BP_VAR_R);
zend_bool result;
if (Z_TYPE_P(expr) == IS_OBJECT) {
result = instanceof_function(Z_OBJCE_P(expr), EX_T(EX(opline)->op2.u.var).class_entry TSRMLS_CC);
} else {
result = 0;
}
ZVAL_BOOL(&EX_T(EX(opline)->result.u.var).tmp_var, result);
FREE_OP(EX(Ts), &EX(opline)->op1, EG(free_op1));
NEXT_OPCODE();
}
int zend_ext_nop_handler(ZEND_OPCODE_HANDLER_ARGS)
{
NEXT_OPCODE();
}
int zend_nop_handler(ZEND_OPCODE_HANDLER_ARGS)
{
NEXT_OPCODE();
}
int zend_add_interface_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_class_entry *ce = EX_T(EX(opline)->op1.u.var).class_entry;
zend_class_entry *iface = EX_T(EX(opline)->op2.u.var).class_entry;
if (!(iface->ce_flags & ZEND_ACC_INTERFACE)) {
zend_error(E_ERROR, "%s cannot implement %s - it is not an interface", ce->name, iface->name);
}
ce->interfaces[EX(opline)->extended_value] = iface;
zend_do_implement_interface(ce, iface TSRMLS_CC);
NEXT_OPCODE();
}
#define MAX_ABSTRACT_INFO_CNT 3
#define MAX_ABSTRACT_INFO_FMT "%s%s%s%s"
#define DISPLAY_ABSTRACT_FN(idx) \
ai.afn[idx] ? ZEND_FN_SCOPE_NAME(ai.afn[idx]) : "", \
ai.afn[idx] ? "::" : "", \
ai.afn[idx] ? ai.afn[idx]->common.function_name : "", \
ai.afn[idx] && ai.afn[idx+1] ? ", " : (ai.afn[idx] && ai.cnt >= MAX_ABSTRACT_INFO_CNT ? ", ..." : "")
typedef struct _zend_abstract_info {
zend_function *afn[MAX_ABSTRACT_INFO_CNT+1];
int cnt;
} zend_abstract_info;
int zend_verify_abstract_class_function(zend_function *fn, zend_abstract_info *ai TSRMLS_DC)
{
if (fn->common.fn_flags & ZEND_ACC_ABSTRACT) {
if (ai->cnt < MAX_ABSTRACT_INFO_CNT) {
ai->afn[ai->cnt] = fn;
}
ai->cnt++;
}
return 0;
}
int zend_verify_abstract_class_handler(ZEND_OPCODE_HANDLER_ARGS)
{
zend_class_entry *ce = EX_T(EX(opline)->op1.u.var).class_entry;
zend_abstract_info ai;
if ((ce->ce_flags & ZEND_ACC_ABSTRACT) && !(ce->ce_flags & ZEND_ACC_ABSTRACT_CLASS)) {
memset(&ai, 0, sizeof(ai));
zend_hash_apply_with_argument(&ce->function_table, (apply_func_arg_t) zend_verify_abstract_class_function, &ai TSRMLS_CC);
zend_error(E_ERROR, "Class %s contains %d abstract methods and must therefore be declared abstract (" MAX_ABSTRACT_INFO_FMT MAX_ABSTRACT_INFO_FMT MAX_ABSTRACT_INFO_FMT ")",
ce->name, ai.cnt,
DISPLAY_ABSTRACT_FN(0),
DISPLAY_ABSTRACT_FN(1),
DISPLAY_ABSTRACT_FN(2)
);
}
NEXT_OPCODE();
}
void zend_init_opcodes_handlers()
{
zend_opcode_handlers[ZEND_NOP] = zend_nop_handler;
zend_opcode_handlers[ZEND_ADD] = zend_add_handler;
zend_opcode_handlers[ZEND_SUB] = zend_sub_handler;
zend_opcode_handlers[ZEND_MUL] = zend_mul_handler;
zend_opcode_handlers[ZEND_DIV] = zend_div_handler;
zend_opcode_handlers[ZEND_MOD] = zend_mod_handler;
zend_opcode_handlers[ZEND_SL] = zend_sl_handler;
zend_opcode_handlers[ZEND_SR] = zend_sr_handler;
zend_opcode_handlers[ZEND_CONCAT] = zend_concat_handler;
zend_opcode_handlers[ZEND_BW_OR] = zend_bw_or_handler;
zend_opcode_handlers[ZEND_BW_AND] = zend_bw_and_handler;
zend_opcode_handlers[ZEND_BW_XOR] = zend_bw_xor_handler;
zend_opcode_handlers[ZEND_BW_NOT] = zend_bw_not_handler;
zend_opcode_handlers[ZEND_BOOL_NOT] = zend_bool_not_handler;
zend_opcode_handlers[ZEND_BOOL_XOR] = zend_bool_xor_handler;
zend_opcode_handlers[ZEND_IS_IDENTICAL] = zend_is_identical_handler;
zend_opcode_handlers[ZEND_IS_NOT_IDENTICAL] = zend_is_not_identical_handler;
zend_opcode_handlers[ZEND_IS_EQUAL] = zend_is_equal_handler;
zend_opcode_handlers[ZEND_IS_NOT_EQUAL] = zend_is_not_equal_handler;
zend_opcode_handlers[ZEND_IS_SMALLER] = zend_is_smaller_handler;
zend_opcode_handlers[ZEND_IS_SMALLER_OR_EQUAL] = zend_is_smaller_or_equal_handler;
zend_opcode_handlers[ZEND_CAST] = zend_cast_handler;
zend_opcode_handlers[ZEND_QM_ASSIGN] = zend_qm_assign_handler;
zend_opcode_handlers[ZEND_ASSIGN_ADD] = zend_assign_add_handler;
zend_opcode_handlers[ZEND_ASSIGN_SUB] = zend_assign_sub_handler;
zend_opcode_handlers[ZEND_ASSIGN_MUL] = zend_assign_mul_handler;
zend_opcode_handlers[ZEND_ASSIGN_DIV] = zend_assign_div_handler;
zend_opcode_handlers[ZEND_ASSIGN_MOD] = zend_assign_mod_handler;
zend_opcode_handlers[ZEND_ASSIGN_SL] = zend_assign_sl_handler;
zend_opcode_handlers[ZEND_ASSIGN_SR] = zend_assign_sr_handler;
zend_opcode_handlers[ZEND_ASSIGN_CONCAT] = zend_assign_concat_handler;
zend_opcode_handlers[ZEND_ASSIGN_BW_OR] = zend_assign_bw_or_handler;
zend_opcode_handlers[ZEND_ASSIGN_BW_AND] = zend_assign_bw_and_handler;
zend_opcode_handlers[ZEND_ASSIGN_BW_XOR] = zend_assign_bw_xor_handler;
zend_opcode_handlers[ZEND_PRE_INC] = zend_pre_inc_handler;
zend_opcode_handlers[ZEND_PRE_DEC] = zend_pre_dec_handler;
zend_opcode_handlers[ZEND_POST_INC] = zend_post_inc_handler;
zend_opcode_handlers[ZEND_POST_DEC] = zend_post_dec_handler;
zend_opcode_handlers[ZEND_ASSIGN] = zend_assign_handler;
zend_opcode_handlers[ZEND_ASSIGN_REF] = zend_assign_ref_handler;
zend_opcode_handlers[ZEND_ECHO] = zend_echo_handler;
zend_opcode_handlers[ZEND_PRINT] = zend_print_handler;
zend_opcode_handlers[ZEND_JMP] = zend_jmp_handler;
zend_opcode_handlers[ZEND_JMPZ] = zend_jmpz_handler;
zend_opcode_handlers[ZEND_JMPNZ] = zend_jmpnz_handler;
zend_opcode_handlers[ZEND_JMPZNZ] = zend_jmpznz_handler;
zend_opcode_handlers[ZEND_JMPZ_EX] = zend_jmpz_ex_handler;
zend_opcode_handlers[ZEND_JMPNZ_EX] = zend_jmpnz_ex_handler;
zend_opcode_handlers[ZEND_CASE] = zend_case_handler;
zend_opcode_handlers[ZEND_SWITCH_FREE] = zend_switch_free_handler;
zend_opcode_handlers[ZEND_BRK] = zend_brk_handler;
zend_opcode_handlers[ZEND_CONT] = zend_cont_handler;
zend_opcode_handlers[ZEND_BOOL] = zend_bool_handler;
zend_opcode_handlers[ZEND_INIT_STRING] = zend_init_string_handler;
zend_opcode_handlers[ZEND_ADD_CHAR] = zend_add_char_handler;
zend_opcode_handlers[ZEND_ADD_STRING] = zend_add_string_handler;
zend_opcode_handlers[ZEND_ADD_VAR] = zend_add_var_handler;
zend_opcode_handlers[ZEND_BEGIN_SILENCE] = zend_begin_silence_handler;
zend_opcode_handlers[ZEND_END_SILENCE] = zend_end_silence_handler;
zend_opcode_handlers[ZEND_INIT_FCALL_BY_NAME] = zend_init_fcall_by_name_handler;
zend_opcode_handlers[ZEND_DO_FCALL] = zend_do_fcall_handler;
zend_opcode_handlers[ZEND_DO_FCALL_BY_NAME] = zend_do_fcall_by_name_handler;
zend_opcode_handlers[ZEND_RETURN] = zend_return_handler;
zend_opcode_handlers[ZEND_RECV] = zend_recv_handler;
zend_opcode_handlers[ZEND_RECV_INIT] = zend_recv_init_handler;
zend_opcode_handlers[ZEND_SEND_VAL] = zend_send_val_handler;
zend_opcode_handlers[ZEND_SEND_VAR] = zend_send_var_handler;
zend_opcode_handlers[ZEND_SEND_REF] = zend_send_ref_handler;
zend_opcode_handlers[ZEND_NEW] = zend_new_handler;
zend_opcode_handlers[ZEND_JMP_NO_CTOR] = zend_jmp_no_ctor_handler;
zend_opcode_handlers[ZEND_FREE] = zend_free_handler;
zend_opcode_handlers[ZEND_INIT_ARRAY] = zend_init_array_handler;
zend_opcode_handlers[ZEND_ADD_ARRAY_ELEMENT] = zend_add_array_element_handler;
zend_opcode_handlers[ZEND_INCLUDE_OR_EVAL] = zend_include_or_eval_handler;
zend_opcode_handlers[ZEND_UNSET_VAR] = zend_unset_var_handler;
zend_opcode_handlers[ZEND_UNSET_DIM_OBJ] = zend_unset_dim_obj_handler;
zend_opcode_handlers[ZEND_FE_RESET] = zend_fe_reset_handler;
zend_opcode_handlers[ZEND_FE_FETCH] = zend_fe_fetch_handler;
zend_opcode_handlers[ZEND_EXIT] = zend_exit_handler;
zend_opcode_handlers[ZEND_FETCH_R] = zend_fetch_r_handler;
zend_opcode_handlers[ZEND_FETCH_DIM_R] = zend_fetch_dim_r_handler;
zend_opcode_handlers[ZEND_FETCH_OBJ_R] = zend_fetch_obj_r_handler;
zend_opcode_handlers[ZEND_FETCH_W] = zend_fetch_w_handler;
zend_opcode_handlers[ZEND_FETCH_DIM_W] = zend_fetch_dim_w_handler;
zend_opcode_handlers[ZEND_FETCH_OBJ_W] = zend_fetch_obj_w_handler;
zend_opcode_handlers[ZEND_FETCH_RW] = zend_fetch_rw_handler;
zend_opcode_handlers[ZEND_FETCH_DIM_RW] = zend_fetch_dim_rw_handler;
zend_opcode_handlers[ZEND_FETCH_OBJ_RW] = zend_fetch_obj_rw_handler;
zend_opcode_handlers[ZEND_FETCH_IS] = zend_fetch_is_handler;
zend_opcode_handlers[ZEND_FETCH_DIM_IS] = zend_fetch_dim_is_handler;
zend_opcode_handlers[ZEND_FETCH_OBJ_IS] = zend_fetch_obj_is_handler;
zend_opcode_handlers[ZEND_FETCH_FUNC_ARG] = zend_fetch_func_arg_handler;
zend_opcode_handlers[ZEND_FETCH_DIM_FUNC_ARG] = zend_fetch_dim_func_arg_handler;
zend_opcode_handlers[ZEND_FETCH_OBJ_FUNC_ARG] = zend_fetch_obj_func_arg_handler;
zend_opcode_handlers[ZEND_FETCH_UNSET] = zend_fetch_unset_handler;
zend_opcode_handlers[ZEND_FETCH_DIM_UNSET] = zend_fetch_dim_unset_handler;
zend_opcode_handlers[ZEND_FETCH_OBJ_UNSET] = zend_fetch_obj_unset_handler;
zend_opcode_handlers[ZEND_FETCH_DIM_TMP_VAR] = zend_fetch_dim_tmp_var_handler;
zend_opcode_handlers[ZEND_FETCH_CONSTANT] = zend_fetch_constant_handler;
zend_opcode_handlers[ZEND_EXT_STMT] = zend_ext_stmt_handler;
zend_opcode_handlers[ZEND_EXT_FCALL_BEGIN] = zend_ext_fcall_begin_handler;
zend_opcode_handlers[ZEND_EXT_FCALL_END] = zend_ext_fcall_end_handler;
zend_opcode_handlers[ZEND_EXT_NOP] = zend_ext_nop_handler;
zend_opcode_handlers[ZEND_TICKS] = zend_ticks_handler;
zend_opcode_handlers[ZEND_SEND_VAR_NO_REF] = zend_send_var_no_ref_handler;
zend_opcode_handlers[ZEND_CATCH] = zend_catch_handler;
zend_opcode_handlers[ZEND_THROW] = zend_throw_handler;
zend_opcode_handlers[ZEND_FETCH_CLASS] = zend_fetch_class_handler;
zend_opcode_handlers[ZEND_CLONE] = zend_clone_handler;
zend_opcode_handlers[ZEND_INIT_CTOR_CALL] = zend_init_ctor_call_handler;
zend_opcode_handlers[ZEND_INIT_METHOD_CALL] = zend_init_method_call_handler;
zend_opcode_handlers[ZEND_INIT_STATIC_METHOD_CALL] = zend_init_static_method_call_handler;
zend_opcode_handlers[ZEND_ISSET_ISEMPTY_VAR] = zend_isset_isempty_var_handler;
zend_opcode_handlers[ZEND_ISSET_ISEMPTY_DIM_OBJ] = zend_isset_isempty_dim_obj_handler;
zend_opcode_handlers[ZEND_ISSET_ISEMPTY_PROP_OBJ] = zend_isset_isempty_prop_obj_handler;
zend_opcode_handlers[ZEND_PRE_INC_OBJ] = zend_pre_inc_obj_handler;
zend_opcode_handlers[ZEND_PRE_DEC_OBJ] = zend_pre_dec_obj_handler;
zend_opcode_handlers[ZEND_POST_INC_OBJ] = zend_post_inc_obj_handler;
zend_opcode_handlers[ZEND_POST_DEC_OBJ] = zend_post_dec_obj_handler;
zend_opcode_handlers[ZEND_ASSIGN_OBJ] = zend_assign_obj_handler;
zend_opcode_handlers[ZEND_OP_DATA] = NULL;
zend_opcode_handlers[ZEND_INSTANCEOF] = zend_instanceof_handler;
zend_opcode_handlers[ZEND_DECLARE_CLASS] = zend_declare_class_handler;
zend_opcode_handlers[ZEND_DECLARE_INHERITED_CLASS] = zend_declare_inherited_class_handler;
zend_opcode_handlers[ZEND_DECLARE_FUNCTION] = zend_declare_function_handler;
zend_opcode_handlers[ZEND_RAISE_ABSTRACT_ERROR] = zend_raise_abstract_error_handler;
zend_opcode_handlers[ZEND_ADD_INTERFACE] = zend_add_interface_handler;
zend_opcode_handlers[ZEND_VERIFY_ABSTRACT_CLASS] = zend_verify_abstract_class_handler;
zend_opcode_handlers[ZEND_ASSIGN_DIM] = zend_assign_dim_handler;
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/
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