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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2003 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> |
+----------------------------------------------------------------------+
*/
#ifndef ZEND_EXECUTE_H
#define ZEND_EXECUTE_H
#include "zend_compile.h"
#include "zend_hash.h"
#include "zend_variables.h"
#include "zend_operators.h"
#include "zend_execute_globals.h"
BEGIN_EXTERN_C()
ZEND_API extern void (*zend_execute)(zend_op_array *op_array TSRMLS_DC);
ZEND_API extern void (*zend_execute_internal)(zend_execute_data *execute_data_ptr, int return_value_used TSRMLS_DC);
void init_executor(TSRMLS_D);
void shutdown_executor(TSRMLS_D);
ZEND_API void execute(zend_op_array *op_array TSRMLS_DC);
ZEND_API int zend_is_true(zval *op);
ZEND_API void execute_internal(zend_execute_data *execute_data_ptr, int return_value_used TSRMLS_DC);
static inline void safe_free_zval_ptr(zval *p)
{
TSRMLS_FETCH();
if (p!=EG(uninitialized_zval_ptr)) {
FREE_ZVAL(p);
}
}
ZEND_API int zend_eval_string(char *str, zval *retval_ptr, char *string_name TSRMLS_DC);
static inline int i_zend_is_true(zval *op)
{
int result;
switch (op->type) {
case IS_NULL:
result = 0;
break;
case IS_LONG:
case IS_BOOL:
case IS_RESOURCE:
result = (op->value.lval?1:0);
break;
case IS_DOUBLE:
result = (op->value.dval ? 1 : 0);
break;
case IS_STRING:
if (op->value.str.len == 0
|| (op->value.str.len==1 && op->value.str.val[0]=='0')) {
result = 0;
} else {
result = 1;
}
break;
case IS_ARRAY:
result = (zend_hash_num_elements(op->value.ht)?1:0);
break;
case IS_OBJECT:
result = (zend_hash_num_elements(Z_OBJPROP_P(op))?1:0);
break;
default:
result = 0;
break;
}
return result;
}
ZEND_API int zval_update_constant(zval **pp, void *arg TSRMLS_DC);
/* dedicated Zend executor functions - do not use! */
static inline void zend_ptr_stack_clear_multiple(TSRMLS_D)
{
void **p = EG(argument_stack).top_element-2;
int delete_count = (ulong) *p;
EG(argument_stack).top -= (delete_count+2);
while (--delete_count>=0) {
zval_ptr_dtor((zval **) --p);
}
EG(argument_stack).top_element = p;
}
static inline int zend_ptr_stack_get_arg(int requested_arg, void **data TSRMLS_DC)
{
void **p = EG(argument_stack).top_element-2;
int arg_count = (ulong) *p;
if (requested_arg>arg_count) {
return FAILURE;
}
*data = (p-arg_count+requested_arg-1);
return SUCCESS;
}
void execute_new_code(TSRMLS_D);
/* services */
ZEND_API char *get_active_function_name(TSRMLS_D);
ZEND_API char *zend_get_executed_filename(TSRMLS_D);
ZEND_API uint zend_get_executed_lineno(TSRMLS_D);
ZEND_API zend_bool zend_is_executing(TSRMLS_D);
ZEND_API void zend_set_timeout(long seconds);
ZEND_API void zend_unset_timeout(TSRMLS_D);
ZEND_API void zend_timeout(int dummy);
#ifdef ZEND_WIN32
void zend_init_timeout_thread();
void zend_shutdown_timeout_thread();
#define WM_REGISTER_ZEND_TIMEOUT (WM_USER+1)
#define WM_UNREGISTER_ZEND_TIMEOUT (WM_USER+2)
#endif
#define zendi_zval_copy_ctor(p) zval_copy_ctor(&(p))
#define zendi_zval_dtor(p) zval_dtor(&(p))
#define active_opline (*EG(opline_ptr))
void zend_assign_to_variable_reference(znode *result, zval **variable_ptr_ptr, zval **value_ptr_ptr, temp_variable *Ts TSRMLS_DC);
#define IS_OVERLOADED_OBJECT 1
#define IS_STRING_OFFSET 2
END_EXTERN_C()
#endif /* ZEND_EXECUTE_H */
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