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61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998-2013 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 through the world-wide-web at the following url: |
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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: Bob Weinand <bwoebi@php.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#ifndef ZEND_AST_H
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#define ZEND_AST_H
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typedef struct _zend_ast zend_ast;
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#include "zend.h"
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typedef void(*intermediary_ast_function_type)(zval *, ...);
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typedef int(*unary_ast_func)(zval *result, zval *op0);
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typedef int(*binary_ast_func)(zval *result, zval *op0, zval *op1);
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typedef int(*ternary_ast_func)(zval *result, zval *op0, zval *op1, zval *op2);
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struct _zend_ast {
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char op_count;
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zval **ops;
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intermediary_ast_function_type func;
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int refcount;
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};
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void zend_ast_add_unary(zval *result, unary_ast_func func, zval *op0);
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void zend_ast_add_binary(zval *result, binary_ast_func func, zval *op0, zval *op1);
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void zend_ast_add_ternary(zval *result, ternary_ast_func func, zval *op0, zval *op1, zval *op2);
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void zend_ast_evaluate(zval *result, zend_ast *ast TSRMLS_DC);
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void zend_ast_destroy(zend_ast *ast TSRMLS_DC);
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#define ZEND_AST_ADD_REF(ast) ++ast->refcount
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static inline int ZEND_AST_DEL_REF(zend_ast *ast) {
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if (ast->refcount == 1) {
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TSRMLS_FETCH();
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zend_ast_destroy(ast TSRMLS_CC);
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return 0;
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}
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return --ast->refcount;
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}
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#endif
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