/* Copyright 2015 Samsung Electronics Co., Ltd.
 * Copyright 2015 University of Szeged.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef ECMA_REGEXP_OBJECT_H
#define ECMA_REGEXP_OBJECT_H

#ifndef CONFIG_ECMA_COMPACT_PROFILE_DISABLE_REGEXP_BUILTIN

#include "ecma-globals.h"
#include "re-compiler.h"

/** \addtogroup ecma ECMA
 * @{
 *
 * \addtogroup ecmaregexpobject ECMA RegExp object related routines
 * @{
 */

/**
 * Limit of RegExp executor recursion depth
 */
#define RE_EXECUTE_RECURSION_LIMIT  1000

/**
 * Limit of RegExp execetur matching steps
 */
#define RE_EXECUTE_MATCH_LIMIT      10000

/**
 * RegExp flags
 */
#define RE_FLAG_GLOBAL              (1 << 0) /* ECMA-262 v5, 15.10.7.2 */
#define RE_FLAG_IGNORE_CASE         (1 << 1) /* ECMA-262 v5, 15.10.7.3 */
#define RE_FLAG_MULTILINE           (1 << 2) /* ECMA-262 v5, 15.10.7.4 */

/**
 * RegExp executor context
 */
typedef struct
{
  lit_utf8_iterator_t *saved_p; /**< saved result string pointers, ECMA 262 v5, 15.10.2.1, State */
  const lit_utf8_byte_t *input_start_p; /**< start of input pattern string */
  const lit_utf8_byte_t *input_end_p; /**< end of input pattern string */
  uint32_t match_limit; /**< matching limit counter */
  uint32_t recursion_depth; /**< recursion depth counter */
  uint32_t num_of_captures; /**< number of capture groups */
  uint32_t num_of_non_captures; /**< number of non-capture groups */
  uint32_t *num_of_iterations_p; /**< number of iterations */
  uint8_t flags; /**< RegExp flags */
} re_matcher_ctx_t;

extern ecma_completion_value_t
ecma_op_create_regexp_object (ecma_string_t *pattern_p, ecma_string_t *flags_str_p);

extern ecma_completion_value_t
ecma_regexp_exec_helper (ecma_value_t, ecma_value_t, bool);

extern ecma_char_t
re_canonicalize (ecma_char_t ch,
                 bool is_ignorecase);

/**
 * @}
 * @}
 */

#endif /* CONFIG_ECMA_COMPACT_PROFILE_DISABLE_REGEXP_BUILTIN */
#endif /* !ECMA_REGEXP_OBJECT_H */