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|
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2003 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.0 of the PHP 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.php.net/license/3_0.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Marcus Boerger <helly@php.net> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "zend_compile.h"
#include "zend_execute_locks.h"
#include "php_spl.h"
#include "spl_functions.h"
#include "spl_engine.h"
#include "spl_array.h"
#define DELETE_ZVAL(z) \
if ((z)->refcount < 2) { \
zval_dtor(z); \
FREE_ZVAL(z); /* maybe safe_free_zval_ptr is needed for the uninitialised things */ \
}
#define DELETE_RET_ZVAL(z) \
if ((z)->refcount < 3) { \
zval_dtor(z); \
FREE_ZVAL(z); /* maybe safe_free_zval_ptr is needed for the uninitialised things */ \
}
#define AI_PTR_2_PTR_PTR(ai) \
(ai).ptr_ptr = &((ai).ptr)
/* {{{ spl_fetch_dimension_address */
int spl_fetch_dimension_address(znode *result, znode *op1, znode *op2, temp_variable *Ts, int type TSRMLS_DC)
{
zval **obj;
zend_class_entry *obj_ce;
spl_is_a is_a;
obj = spl_get_zval_ptr_ptr(op1, Ts TSRMLS_CC);
if (!obj || (obj_ce = spl_get_class_entry(*obj TSRMLS_CC)) == NULL) {
return 1;
}
is_a = spl_implements(obj_ce);
if (is_a & SPL_IS_A_ARRAY_READ) {
zval **retval = &(T(result->u.var).var.ptr);
zval *dim = spl_get_zval_ptr(op2, Ts, &EG(free_op2) TSRMLS_CC);
zval *exists;
spl_begin_method_call_arg_ex1(obj, obj_ce, NULL, "exists", sizeof("exists")-1, &exists, dim TSRMLS_CC);
if (!i_zend_is_true(exists)) {
if (type == BP_VAR_R || type == BP_VAR_RW) {
SEPARATE_ZVAL(&dim);
convert_to_string_ex(&dim);
zend_error(E_NOTICE, "Undefined index: %s", Z_STRVAL_P(dim));
DELETE_ZVAL(dim);
}
if (type == BP_VAR_R || type == BP_VAR_IS) {
DELETE_RET_ZVAL(exists);
*retval = &EG(error_zval);
(*retval)->refcount++;
FREE_OP(Ts, op2, EG(free_op2));
SELECTIVE_PZVAL_LOCK(*retval, result);
return 0;
}
}
DELETE_RET_ZVAL(exists);
if (type == BP_VAR_R || type == BP_VAR_IS) {
spl_begin_method_call_arg_ex1(obj, obj_ce, NULL, "get", sizeof("get")-1, retval, dim TSRMLS_CC);
}
FREE_OP(Ts, op2, EG(free_op2));
return 0;
}
return 1;
}
/* }}} */
/* {{{ ZEND_EXECUTE_HOOK_FUNCTION(ZEND_FETCH_DIM_R) */
#ifdef SPL_ARRAY_READ
ZEND_EXECUTE_HOOK_FUNCTION(ZEND_FETCH_DIM_R)
{
if (!spl_fetch_dimension_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_R TSRMLS_CC))
{
if (EX(opline)->extended_value == ZEND_FETCH_ADD_LOCK) {
PZVAL_LOCK(*EX_T(EX(opline)->op1.u.var).var.ptr_ptr);
}
spl_unlock_zval_ptr_ptr(&EX(opline)->op1, EX(Ts) TSRMLS_CC);
AI_PTR_2_PTR_PTR(EX_T(EX(opline)->result.u.var).var);
NEXT_OPCODE();
}
ZEND_EXECUTE_HOOK_ORIGINAL(ZEND_FETCH_DIM_R);
}
#endif
/* }}} */
/* {{{ ZEND_EXECUTE_HOOK_FUNCTION(ZEND_FETCH_DIM_W) */
#ifdef SPL_ARRAY_READ
ZEND_EXECUTE_HOOK_FUNCTION(ZEND_FETCH_DIM_W)
{
if (!spl_fetch_dimension_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_W TSRMLS_CC))
{
spl_unlock_zval_ptr_ptr(&EX(opline)->op1, EX(Ts) TSRMLS_CC);
NEXT_OPCODE();
}
ZEND_EXECUTE_HOOK_ORIGINAL(ZEND_FETCH_DIM_W);
}
#endif
/* }}} */
/* {{{ ZEND_EXECUTE_HOOK_FUNCTION(ZEND_FETCH_DIM_RW) */
#ifdef SPL_ARRAY_READ
ZEND_EXECUTE_HOOK_FUNCTION(ZEND_FETCH_DIM_RW)
{
if (!spl_fetch_dimension_address(&EX(opline)->result, &EX(opline)->op1, &EX(opline)->op2, EX(Ts), BP_VAR_RW TSRMLS_CC))
{
spl_unlock_zval_ptr_ptr(&EX(opline)->op1, EX(Ts) TSRMLS_CC);
NEXT_OPCODE();
}
ZEND_EXECUTE_HOOK_ORIGINAL(ZEND_FETCH_DIM_RW);
}
#endif
/* }}} */
static inline zval **spl_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 spl_get_zval_ptr_ptr(op, Ts TSRMLS_CC);
}
/* {{{ ZEND_EXECUTE_HOOK_FUNCTION(ZEND_ASSIGN_DIM) */
#ifdef SPL_ARRAY_WRITE
ZEND_EXECUTE_HOOK_FUNCTION(ZEND_ASSIGN_DIM)
{
zval **obj;
zend_class_entry *obj_ce;
spl_is_a is_a;
obj = spl_get_obj_zval_ptr_ptr(&EX(opline)->op1, EX(Ts), 0 TSRMLS_CC);
if (!obj || (obj_ce = spl_get_class_entry(*obj TSRMLS_CC)) == NULL) {
ZEND_EXECUTE_HOOK_ORIGINAL(ZEND_ASSIGN_DIM);
}
is_a = spl_implements(obj_ce);
if (is_a & SPL_IS_A_ARRAY_ACCESS) {
znode *op2 = &EX(opline)->op2;
zval *index = spl_get_zval_ptr(op2, EX(Ts), &EG(free_op2), BP_VAR_R);
zval *free_value;
zend_op *value_op = EX(opline)+1;
zval *value = spl_get_zval_ptr(&value_op->op1, EX(Ts), &free_value, BP_VAR_R);
zval tmp;
zval *retval;
spl_unlock_zval_ptr_ptr(&EX(opline)->op1, EX(Ts) TSRMLS_CC);
/* 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 = *index;
zval_copy_ctor(&tmp);
convert_to_string(&tmp);
index = &tmp;
break;
case IS_TMP_VAR:
convert_to_string(index);
break;
}
/* separate our value if necessary */
if (value_op->op1.op_type == IS_TMP_VAR) {
zval *orig_value = value;
ALLOC_ZVAL(value);
*value = *orig_value;
value->is_ref = 0;
value->refcount = 0;
}
spl_begin_method_call_arg_ex2(obj, obj_ce, NULL, "set", sizeof("set")-1, &retval, index, value TSRMLS_CC);
if (index == &tmp) {
zval_dtor(index);
}
FREE_OP(Ts, op2, EG(free_op2));
if (&EX(opline)->result) {
EX_T(EX(opline)->result.u.var).var.ptr = retval;
EX_T(EX(opline)->result.u.var).var.ptr_ptr = NULL;/*&EX_T(EX(opline)->result.u.var).var.ptr;*/
SELECTIVE_PZVAL_LOCK(retval, &EX(opline)->result);
}
EX(opline)++;
NEXT_OPCODE();
}
ZEND_EXECUTE_HOOK_ORIGINAL(ZEND_ASSIGN_DIM);
}
#endif
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: fdm=marker
* vim: noet sw=4 ts=4
*/
|
