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https://github.com/jerryscript-project/jerryscript.git
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106 lines
3.5 KiB
C
106 lines
3.5 KiB
C
/* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ECMA_REGEXP_OBJECT_H
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#define ECMA_REGEXP_OBJECT_H
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#if ENABLED (JERRY_BUILTIN_REGEXP)
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#include "ecma-globals.h"
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#include "re-compiler.h"
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/** \addtogroup ecma ECMA
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* @{
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*
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* \addtogroup ecmaregexpobject ECMA RegExp object related routines
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* @{
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*/
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/**
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* RegExp flags
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* Note:
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* This enum has to be kept in sync with jerry_regexp_flags_t.
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*/
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typedef enum
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{
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RE_FLAG_EMPTY = 0u, /* Empty RegExp flags */
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RE_FLAG_GLOBAL = (1u << 1), /**< ECMA-262 v5, 15.10.7.2 */
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RE_FLAG_IGNORE_CASE = (1u << 2), /**< ECMA-262 v5, 15.10.7.3 */
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RE_FLAG_MULTILINE = (1u << 3) /**< ECMA-262 v5, 15.10.7.4 */
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} ecma_regexp_flags_t;
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/**
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* Structure for storing capturing group results
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*/
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typedef struct
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{
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const lit_utf8_byte_t *begin_p; /**< substring start pointer */
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const lit_utf8_byte_t *end_p; /**< substring end pointer */
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} ecma_regexp_capture_t;
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/**
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* Structure for storing non-capturing group results
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*/
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typedef struct
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{
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const lit_utf8_byte_t *str_p; /**< string pointer */
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} ecma_regexp_non_capture_t;
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#if (JERRY_STACK_LIMIT != 0)
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/**
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* Value used ase result when stack limit is reached
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*/
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#define ECMA_RE_OUT_OF_STACK ((const lit_utf8_byte_t *) UINTPTR_MAX)
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/**
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* Checks if the stack limit has been reached during regexp matching
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*/
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#define ECMA_RE_STACK_LIMIT_REACHED(p) (JERRY_UNLIKELY (p == ECMA_RE_OUT_OF_STACK))
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#else /* JERRY_STACK_LIMIT == 0 */
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#define ECMA_RE_STACK_LIMIT_REACHED(p) (false)
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#endif /* JERRY_STACK_LIMIT != 0 */
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/**
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* RegExp executor context
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*/
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typedef struct
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{
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const lit_utf8_byte_t *input_end_p; /**< end of input string */
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const lit_utf8_byte_t *input_start_p; /**< start of input string */
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uint32_t captures_count; /**< number of capture groups */
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ecma_regexp_capture_t *captures_p; /**< capturing groups */
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uint32_t non_captures_count; /**< number of non-capture groups */
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ecma_regexp_non_capture_t *non_captures_p; /**< non-capturing groups */
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uint32_t *iterations_p; /**< number of iterations */
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uint16_t flags; /**< RegExp flags */
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} ecma_regexp_ctx_t;
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ecma_value_t ecma_op_create_regexp_object_from_bytecode (re_compiled_code_t *bytecode_p);
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ecma_value_t ecma_op_create_regexp_object (ecma_string_t *pattern_p, uint16_t flags);
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ecma_value_t ecma_regexp_exec_helper (ecma_value_t regexp_value, ecma_value_t input_string, bool ignore_global);
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ecma_value_t ecma_regexp_read_pattern_str_helper (ecma_value_t pattern_arg, ecma_string_t **pattern_string_p);
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ecma_char_t ecma_regexp_canonicalize (ecma_char_t ch, bool is_ignorecase);
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ecma_char_t ecma_regexp_canonicalize_char (ecma_char_t ch);
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ecma_value_t ecma_regexp_parse_flags (ecma_string_t *flags_str_p, uint16_t *flags_p);
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void ecma_regexp_initialize_props (ecma_object_t *re_obj_p, ecma_string_t *source_p, uint16_t flags);
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/**
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* @}
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* @}
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*/
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#endif /* ENABLED (JERRY_BUILTIN_REGEXP) */
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#endif /* !ECMA_REGEXP_OBJECT_H */
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