mirror of
https://github.com/php/php-src.git
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163 lines
4.4 KiB
C
163 lines
4.4 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998-2002 Zend Technologies Ltd. (http://www.zend.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.00 of the Zend license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available at through the world-wide-web at |
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| http://www.zend.com/license/2_00.txt. |
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| If you did not receive a copy of the Zend license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@zend.com so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Andi Gutmans <andi@zend.com> |
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| Zeev Suraski <zeev@zend.com> |
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+----------------------------------------------------------------------+
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*/
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#ifndef ZEND_EXECUTE_H
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#define ZEND_EXECUTE_H
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#include "zend_compile.h"
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#include "zend_hash.h"
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#include "zend_variables.h"
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#include "zend_operators.h"
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typedef union _temp_variable {
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zval tmp_var;
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struct {
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zval **ptr_ptr;
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zval *ptr;
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} var;
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struct {
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zval tmp_var; /* a dummy */
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union {
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struct {
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zval *str;
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int offset;
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} str_offset;
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zend_property_reference overloaded_element;
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} data;
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unsigned char type;
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zend_class_entry *class_entry;
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} EA;
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} temp_variable;
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ZEND_API extern void (*zend_execute)(zend_op_array *op_array TSRMLS_DC);
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void init_executor(TSRMLS_D);
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void shutdown_executor(TSRMLS_D);
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ZEND_API void execute(zend_op_array *op_array TSRMLS_DC);
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ZEND_API int zend_is_true(zval *op);
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static inline void safe_free_zval_ptr(zval *p)
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{
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TSRMLS_FETCH();
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if (p!=EG(uninitialized_zval_ptr)) {
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FREE_ZVAL(p);
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}
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}
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ZEND_API int zend_eval_string(char *str, zval *retval_ptr, char *string_name TSRMLS_DC);
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static inline int i_zend_is_true(zval *op)
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{
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int result;
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switch (op->type) {
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case IS_NULL:
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result = 0;
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break;
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case IS_LONG:
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case IS_BOOL:
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case IS_RESOURCE:
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result = (op->value.lval?1:0);
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break;
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case IS_DOUBLE:
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result = (op->value.dval ? 1 : 0);
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break;
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case IS_STRING:
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if (op->value.str.len == 0
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|| (op->value.str.len==1 && op->value.str.val[0]=='0')) {
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result = 0;
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} else {
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result = 1;
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}
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break;
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case IS_ARRAY:
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result = (zend_hash_num_elements(op->value.ht)?1:0);
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break;
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case IS_OBJECT:
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result = (zend_hash_num_elements(Z_OBJPROP_P(op))?1:0);
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break;
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default:
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result = 0;
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break;
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}
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return result;
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}
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ZEND_API int zval_update_constant(zval **pp, void *arg TSRMLS_DC);
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/* dedicated Zend executor functions - do not use! */
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static inline void zend_ptr_stack_clear_multiple(TSRMLS_D)
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{
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void **p = EG(argument_stack).top_element-2;
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int delete_count = (ulong) *p;
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EG(argument_stack).top -= (delete_count+2);
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while (--delete_count>=0) {
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zval_ptr_dtor((zval **) --p);
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}
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EG(argument_stack).top_element = p;
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}
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static inline int zend_ptr_stack_get_arg(int requested_arg, void **data TSRMLS_DC)
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{
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void **p = EG(argument_stack).top_element-2;
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int arg_count = (ulong) *p;
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if (requested_arg>arg_count) {
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return FAILURE;
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}
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*data = (p-arg_count+requested_arg-1);
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return SUCCESS;
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}
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void execute_new_code(TSRMLS_D);
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/* services */
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ZEND_API char *get_active_function_name(TSRMLS_D);
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ZEND_API char *zend_get_executed_filename(TSRMLS_D);
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ZEND_API uint zend_get_executed_lineno(TSRMLS_D);
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ZEND_API zend_bool zend_is_executing(TSRMLS_D);
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ZEND_API void zend_set_timeout(long seconds);
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ZEND_API void zend_unset_timeout(TSRMLS_D);
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ZEND_API void zend_timeout(int dummy);
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#ifdef ZEND_WIN32
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void zend_init_timeout_thread();
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void zend_shutdown_timeout_thread();
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#define WM_REGISTER_ZEND_TIMEOUT (WM_USER+1)
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#define WM_UNREGISTER_ZEND_TIMEOUT (WM_USER+2)
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#endif
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#define zendi_zval_copy_ctor(p) zval_copy_ctor(&(p))
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#define zendi_zval_dtor(p) zval_dtor(&(p))
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#define active_opline (*EG(opline_ptr))
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void zend_assign_to_variable_reference(znode *result, zval **variable_ptr_ptr, zval **value_ptr_ptr, temp_variable *Ts TSRMLS_DC);
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#define IS_OVERLOADED_OBJECT 1
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#define IS_STRING_OFFSET 2
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#endif /* ZEND_EXECUTE_H */
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