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60 lines
2.1 KiB
C
60 lines
2.1 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998-2014 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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| Dmitry Stogov <dmitry@zend.com> |
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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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#include "zend.h"
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typedef enum _zend_ast_kind {
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/* first 256 kinds are reserved for opcodes */
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ZEND_CONST = 256,
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ZEND_BOOL_AND,
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ZEND_BOOL_OR,
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ZEND_SELECT,
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ZEND_UNARY_PLUS,
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ZEND_UNARY_MINUS,
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} zend_ast_kind;
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struct _zend_ast {
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unsigned short kind;
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unsigned short children;
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union {
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zval val;
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zend_ast *child;
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} u;
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};
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ZEND_API zend_ast *zend_ast_create_constant(zval *zv);
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ZEND_API zend_ast *zend_ast_create_unary(uint kind, zend_ast *op0);
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ZEND_API zend_ast *zend_ast_create_binary(uint kind, zend_ast *op0, zend_ast *op1);
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ZEND_API zend_ast *zend_ast_create_ternary(uint kind, zend_ast *op0, zend_ast *op1, zend_ast *op2);
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ZEND_API int zend_ast_is_ct_constant(zend_ast *ast);
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ZEND_API void zend_ast_evaluate(zval *result, zend_ast *ast, zend_class_entry *scope TSRMLS_DC);
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ZEND_API zend_ast *zend_ast_copy(zend_ast *ast);
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ZEND_API void zend_ast_destroy(zend_ast *ast);
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#endif
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