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Diffstat (limited to 'Zend/zend_ast.h')
| -rw-r--r-- | Zend/zend_ast.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/Zend/zend_ast.h b/Zend/zend_ast.h new file mode 100644 index 0000000000..49908cebbe --- /dev/null +++ b/Zend/zend_ast.h @@ -0,0 +1,61 @@ +/* + +----------------------------------------------------------------------+ + | Zend Engine | + +----------------------------------------------------------------------+ + | Copyright (c) 1998-2013 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: Bob Weinand <bwoebi@php.net> | + | Dmitry Stogov <dmitry@zend.com> | + +----------------------------------------------------------------------+ +*/ + +/* $Id$ */ + +#ifndef ZEND_AST_H +#define ZEND_AST_H + +typedef struct _zend_ast zend_ast; + +#include "zend.h" + +typedef enum _zend_ast_kind { + /* first 256 kinds are reserved for opcodes */ + ZEND_CONST = 256, + ZEND_BOOL_AND, + ZEND_BOOL_OR, + ZEND_SELECT, + ZEND_UNARY_PLUS, + ZEND_UNARY_MINUS, +} zend_ast_kind; + +struct _zend_ast { + unsigned short kind; + unsigned short children; + union { + zval *val; + zend_ast *child; + } u; +}; + +ZEND_API zend_ast *zend_ast_create_constant(zval *zv); + +ZEND_API zend_ast *zend_ast_create_unary(uint kind, zend_ast *op0); +ZEND_API zend_ast *zend_ast_create_binary(uint kind, zend_ast *op0, zend_ast *op1); +ZEND_API zend_ast *zend_ast_create_ternary(uint kind, zend_ast *op0, zend_ast *op1, zend_ast *op2); + +ZEND_API int zend_ast_is_ct_constant(zend_ast *ast); + +ZEND_API void zend_ast_evaluate(zval *result, zend_ast *ast, zend_class_entry *scope TSRMLS_DC); + +ZEND_API zend_ast *zend_ast_copy(zend_ast *ast); +ZEND_API void zend_ast_destroy(zend_ast *ast); + +#endif |