1 /* 2 +----------------------------------------------------------------------+ 3 | Zend Engine | 4 +----------------------------------------------------------------------+ 5 | Copyright (c) 1998-2016 Zend Technologies Ltd. (http://www.zend.com) | 6 +----------------------------------------------------------------------+ 7 | This source file is subject to version 2.00 of the Zend license, | 8 | that is bundled with this package in the file LICENSE, and is | 9 | available through the world-wide-web at the following url: | 10 | http://www.zend.com/license/2_00.txt. | 11 | If you did not receive a copy of the Zend license and are unable to | 12 | obtain it through the world-wide-web, please send a note to | 13 | license@zend.com so we can mail you a copy immediately. | 14 +----------------------------------------------------------------------+ 15 | Authors: Bob Weinand <bwoebi@php.net> | 16 | Dmitry Stogov <dmitry@zend.com> | 17 +----------------------------------------------------------------------+ 18 */ 19 20 /* $Id$ */ 21 22 #ifndef ZEND_AST_H 23 #define ZEND_AST_H 24 25 typedef struct _zend_ast zend_ast; 26 27 #include "zend.h" 28 29 typedef enum _zend_ast_kind { 30 /* first 256 kinds are reserved for opcodes */ 31 ZEND_CONST = 256, 32 ZEND_BOOL_AND, 33 ZEND_BOOL_OR, 34 ZEND_SELECT, 35 ZEND_UNARY_PLUS, 36 ZEND_UNARY_MINUS, 37 } zend_ast_kind; 38 39 struct _zend_ast { 40 unsigned short kind; 41 unsigned short children; 42 union { 43 zval *val; 44 zend_ast *child; 45 } u; 46 }; 47 48 ZEND_API zend_ast *zend_ast_create_constant(zval *zv); 49 50 ZEND_API zend_ast *zend_ast_create_unary(uint kind, zend_ast *op0); 51 ZEND_API zend_ast *zend_ast_create_binary(uint kind, zend_ast *op0, zend_ast *op1); 52 ZEND_API zend_ast *zend_ast_create_ternary(uint kind, zend_ast *op0, zend_ast *op1, zend_ast *op2); 53 ZEND_API zend_ast* zend_ast_create_dynamic(uint kind); 54 ZEND_API void zend_ast_dynamic_add(zend_ast **ast, zend_ast *op); 55 ZEND_API void zend_ast_dynamic_shrink(zend_ast **ast); 56 57 ZEND_API int zend_ast_is_ct_constant(zend_ast *ast); 58 59 ZEND_API void zend_ast_evaluate(zval *result, zend_ast *ast, zend_class_entry *scope TSRMLS_DC); 60 61 ZEND_API zend_ast *zend_ast_copy(zend_ast *ast); 62 ZEND_API void zend_ast_destroy(zend_ast *ast); 63 64 #endif 65
