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 */ 34 typedef 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 */ 56 typedef 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