1/* Copyright JS Foundation and other contributors, http://js.foundation
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#ifndef RE_TOKEN_H
17#define RE_TOKEN_H
18
19#if ENABLED (JERRY_BUILTIN_REGEXP)
20
21/** \addtogroup parser Parser
22 * @{
23 *
24 * \addtogroup regexparser Regular expression
25 * @{
26 *
27 * \addtogroup regexparser_parser Parser
28 * @{
29 */
30
31/**
32 * RegExp token type definitions
33 */
34typedef enum
35{
36  RE_TOK_EOF,                        /**< EOF */
37  RE_TOK_BACKREFERENCE,              /**< "\[0..9]" */
38  RE_TOK_ALTERNATIVE,                /**< "|" */
39  RE_TOK_ASSERT_START,               /**< "^" */
40  RE_TOK_ASSERT_END,                 /**< "$" */
41  RE_TOK_PERIOD,                     /**< "." */
42  RE_TOK_START_CAPTURE_GROUP,        /**< "(" */
43  RE_TOK_START_NON_CAPTURE_GROUP,    /**< "(?:" */
44  RE_TOK_END_GROUP,                  /**< ")" */
45  RE_TOK_ASSERT_LOOKAHEAD,           /**< "(?=" */
46  RE_TOK_ASSERT_WORD_BOUNDARY,       /**< "\b" */
47  RE_TOK_ASSERT_NOT_WORD_BOUNDARY,   /**< "\B" */
48  RE_TOK_CLASS_ESCAPE,               /**< "\d \D \w \W \s \S" */
49  RE_TOK_CHAR_CLASS,                 /**< "[ ]" */
50  RE_TOK_CHAR,                       /**< any character */
51} re_token_type_t;
52
53/**
54 * RegExp token
55 */
56typedef struct
57{
58  uint32_t value;         /**< value of the token */
59  uint32_t qmin;          /**< minimum number of token iterations */
60  uint32_t qmax;          /**< maximum number of token iterations */
61  re_token_type_t type;   /**< type of the token */
62  bool greedy;            /**< type of iteration */
63} re_token_t;
64
65/**
66 * @}
67 * @}
68 * @}
69 */
70
71#endif /* ENABLED (JERRY_BUILTIN_REGEXP) */
72#endif /* !RE_TOKEN_H */
73