jerryscript/jerry-core/ecma/builtin-objects/ecma-builtin-regexp.c
Mátyás Mustoha 63ce292173 Reduce code duplication between RegExp.construct and [[Call]] (#2287)
JerryScript-DCO-1.0-Signed-off-by: Mátyás Mustoha mmatyas@inf.u-szeged.hu
2018-04-20 15:27:33 +02:00

139 lines
3.8 KiB
C

/* Copyright JS Foundation and other contributors, http://js.foundation
*
* 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.
*/
#include "ecma-alloc.h"
#include "ecma-builtins.h"
#include "ecma-conversion.h"
#include "ecma-exceptions.h"
#include "ecma-helpers.h"
#include "ecma-objects.h"
#include "ecma-regexp-object.h"
#include "ecma-try-catch-macro.h"
#ifndef CONFIG_DISABLE_REGEXP_BUILTIN
#define ECMA_BUILTINS_INTERNAL
#include "ecma-builtins-internal.h"
#define BUILTIN_INC_HEADER_NAME "ecma-builtin-regexp.inc.h"
#define BUILTIN_UNDERSCORED_ID regexp
#include "ecma-builtin-internal-routines-template.inc.h"
/** \addtogroup ecma ECMA
* @{
*
* \addtogroup ecmabuiltins
* @{
*
* \addtogroup regexp ECMA RegExp object built-in
* @{
*/
/**
* Handle calling [[Call]] of built-in RegExp object
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
ecma_value_t
ecma_builtin_regexp_dispatch_call (const ecma_value_t *arguments_list_p, /**< arguments list */
ecma_length_t arguments_list_len) /**< number of arguments */
{
return ecma_builtin_regexp_dispatch_construct (arguments_list_p, arguments_list_len);
} /* ecma_builtin_regexp_dispatch_call */
/**
* Handle calling [[Construct]] of built-in RegExp object
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
ecma_value_t
ecma_builtin_regexp_dispatch_construct (const ecma_value_t *arguments_list_p, /**< arguments list */
ecma_length_t arguments_list_len) /**< number of arguments */
{
ecma_value_t ret_value = ECMA_VALUE_EMPTY;
ecma_value_t pattern_value = ECMA_VALUE_UNDEFINED;
ecma_value_t flags_value = ECMA_VALUE_UNDEFINED;
if (arguments_list_len > 0)
{
/* pattern string or RegExp object */
pattern_value = arguments_list_p[0];
if (arguments_list_len > 1)
{
flags_value = arguments_list_p[1];
}
}
if (ecma_is_value_object (pattern_value)
&& ecma_object_class_is (ecma_get_object_from_value (pattern_value), LIT_MAGIC_STRING_REGEXP_UL))
{
if (ecma_is_value_undefined (flags_value))
{
ret_value = ecma_copy_value (pattern_value);
}
else
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Invalid argument of RegExp call."));
}
}
else
{
ecma_string_t *pattern_string_p = NULL;
ecma_string_t *flags_string_p = NULL;
ret_value = ecma_regexp_read_pattern_str_helper (pattern_value, &pattern_string_p);
if (ecma_is_value_empty (ret_value) && !ecma_is_value_undefined (flags_value))
{
ECMA_TRY_CATCH (flags_str_value,
ecma_op_to_string (flags_value),
ret_value);
flags_string_p = ecma_get_string_from_value (flags_str_value);
ecma_ref_ecma_string (flags_string_p);
ECMA_FINALIZE (flags_str_value);
}
if (ecma_is_value_empty (ret_value))
{
ret_value = ecma_op_create_regexp_object (pattern_string_p, flags_string_p);
}
if (pattern_string_p != NULL)
{
ecma_deref_ecma_string (pattern_string_p);
}
if (flags_string_p != NULL)
{
ecma_deref_ecma_string (flags_string_p);
}
}
return ret_value;
} /* ecma_builtin_regexp_dispatch_construct */
/**
* @}
* @}
* @}
*/
#endif /* !CONFIG_DISABLE_REGEXP_BUILTIN */