Zoltan Herczeg
fd98d649b6
Class and value internal properties are always exists for primitive types (e.g. Boolean, Regex) so they can be stored right after the object. This improve property access (since internal properties are searched by a slow linear algorithm) and reduces memory consumption, since only 8 byte is allocated for these two properties instead of 16 which is the size of a property pair. JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
259 lines
7.1 KiB
C
259 lines
7.1 KiB
C
/* Copyright 2014-2016 Samsung Electronics Co., Ltd.
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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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#include "ecma-builtins.h"
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#include "ecma-exceptions.h"
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#include "ecma-gc.h"
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#include "ecma-globals.h"
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#include "ecma-helpers.h"
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#include "ecma-objects.h"
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#include "jrt.h"
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/** \addtogroup ecma ECMA
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* @{
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*
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* \addtogroup exceptions Exceptions
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* @{
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*/
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/**
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* Standard ecma-error object constructor.
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*
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* @return pointer to ecma-object representing specified error
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* with reference counter set to one.
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*/
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ecma_object_t *
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ecma_new_standard_error (ecma_standard_error_t error_type) /**< native error type */
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{
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#ifndef CONFIG_DISABLE_ERROR_BUILTINS
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ecma_builtin_id_t prototype_id = ECMA_BUILTIN_ID__COUNT;
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switch (error_type)
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{
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case ECMA_ERROR_COMMON:
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{
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prototype_id = ECMA_BUILTIN_ID_ERROR_PROTOTYPE;
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break;
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}
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case ECMA_ERROR_EVAL:
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{
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prototype_id = ECMA_BUILTIN_ID_EVAL_ERROR_PROTOTYPE;
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break;
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}
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case ECMA_ERROR_RANGE:
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{
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prototype_id = ECMA_BUILTIN_ID_RANGE_ERROR_PROTOTYPE;
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break;
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}
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case ECMA_ERROR_REFERENCE:
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{
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prototype_id = ECMA_BUILTIN_ID_REFERENCE_ERROR_PROTOTYPE;
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break;
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}
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case ECMA_ERROR_TYPE:
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{
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prototype_id = ECMA_BUILTIN_ID_TYPE_ERROR_PROTOTYPE;
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break;
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}
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case ECMA_ERROR_URI:
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{
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prototype_id = ECMA_BUILTIN_ID_URI_ERROR_PROTOTYPE;
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break;
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}
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case ECMA_ERROR_SYNTAX:
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{
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prototype_id = ECMA_BUILTIN_ID_SYNTAX_ERROR_PROTOTYPE;
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break;
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}
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}
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#else
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JERRY_UNUSED (error_type);
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ecma_builtin_id_t prototype_id = ECMA_BUILTIN_ID_ERROR_PROTOTYPE;
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#endif /* !CONFIG_DISABLE_ERROR_BUILTINS */
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ecma_object_t *prototype_obj_p = ecma_builtin_get (prototype_id);
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ecma_object_t *new_error_obj_p = ecma_create_object (prototype_obj_p,
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sizeof (ecma_extended_object_t),
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ECMA_OBJECT_TYPE_CLASS);
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ecma_deref_object (prototype_obj_p);
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((ecma_extended_object_t *) new_error_obj_p)->u.class_prop.class_id = LIT_MAGIC_STRING_ERROR_UL;
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return new_error_obj_p;
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} /* ecma_new_standard_error */
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/**
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* Standard ecma-error object constructor.
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*
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* @return pointer to ecma-object representing specified error
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* with reference counter set to one.
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*/
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ecma_object_t *
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ecma_new_standard_error_with_message (ecma_standard_error_t error_type, /**< native error type */
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ecma_string_t *message_string_p) /**< message string */
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{
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ecma_object_t *new_error_obj_p = ecma_new_standard_error (error_type);
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ecma_string_t *message_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_MESSAGE);
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ecma_property_value_t *prop_value_p;
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prop_value_p = ecma_create_named_data_property (new_error_obj_p,
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message_magic_string_p,
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ECMA_PROPERTY_CONFIGURABLE_WRITABLE,
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NULL);
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ecma_deref_ecma_string (message_magic_string_p);
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ecma_ref_ecma_string (message_string_p);
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prop_value_p->value = ecma_make_string_value (message_string_p);
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return new_error_obj_p;
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} /* ecma_new_standard_error_with_message */
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/**
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* Raise a standard ecma-error with the given type and message.
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*
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* @return ecma value
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* Returned value must be freed with ecma_free_value
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*/
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ecma_value_t
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ecma_raise_standard_error (ecma_standard_error_t error_type, /**< error type */
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const lit_utf8_byte_t *msg_p) /**< error message */
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{
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ecma_object_t *error_obj_p;
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if (msg_p != NULL)
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{
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ecma_string_t *error_msg_p = ecma_new_ecma_string_from_utf8 (msg_p,
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lit_zt_utf8_string_size (msg_p));
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error_obj_p = ecma_new_standard_error_with_message (error_type, error_msg_p);
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ecma_deref_ecma_string (error_msg_p);
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}
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else
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{
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error_obj_p = ecma_new_standard_error (error_type);
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}
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return ecma_make_error_obj_value (error_obj_p);
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} /* ecma_raise_standard_error */
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/**
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* Raise a common error with the given message.
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*
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* @return ecma value
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* Returned value must be freed with ecma_free_value
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*/
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ecma_value_t
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ecma_raise_common_error (const char *msg_p) /**< error message */
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{
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return ecma_raise_standard_error (ECMA_ERROR_COMMON, (const lit_utf8_byte_t *) msg_p);
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} /* ecma_raise_common_error */
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/**
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* Raise an EvalError with the given message.
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*
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* See also: ECMA-262 v5, 15.11.6.1
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*
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* @return ecma value
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* Returned value must be freed with ecma_free_value
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*/
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ecma_value_t
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ecma_raise_eval_error (const char *msg_p) /**< error message */
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{
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return ecma_raise_standard_error (ECMA_ERROR_EVAL, (const lit_utf8_byte_t *) msg_p);
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} /* ecma_raise_eval_error */
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/**
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* Raise a RangeError with the given message.
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*
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* See also: ECMA-262 v5, 15.11.6.2
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*
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* @return ecma value
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* Returned value must be freed with ecma_free_value
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*/
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ecma_value_t
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ecma_raise_range_error (const char *msg_p) /**< error message */
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{
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return ecma_raise_standard_error (ECMA_ERROR_RANGE, (const lit_utf8_byte_t *) msg_p);
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} /* ecma_raise_range_error */
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/**
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* Raise a ReferenceError with the given message.
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*
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* See also: ECMA-262 v5, 15.11.6.3
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*
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* @return ecma value
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* Returned value must be freed with ecma_free_value
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*/
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ecma_value_t
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ecma_raise_reference_error (const char *msg_p) /**< error message */
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{
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return ecma_raise_standard_error (ECMA_ERROR_REFERENCE, (const lit_utf8_byte_t *) msg_p);
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} /* ecma_raise_reference_error */
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/**
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* Raise a SyntaxError with the given message.
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*
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* See also: ECMA-262 v5, 15.11.6.4
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*
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* @return ecma value
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* Returned value must be freed with ecma_free_value
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*/
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ecma_value_t
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ecma_raise_syntax_error (const char *msg_p) /**< error message */
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{
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return ecma_raise_standard_error (ECMA_ERROR_SYNTAX, (const lit_utf8_byte_t *) msg_p);
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} /* ecma_raise_syntax_error */
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/**
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* Raise a TypeError with the given message.
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*
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* See also: ECMA-262 v5, 15.11.6.5
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*
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* @return ecma value
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* Returned value must be freed with ecma_free_value
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*/
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ecma_value_t
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ecma_raise_type_error (const char *msg_p) /**< error message */
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{
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return ecma_raise_standard_error (ECMA_ERROR_TYPE, (const lit_utf8_byte_t *) msg_p);
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} /* ecma_raise_type_error */
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/**
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* Raise a URIError with the given message.
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*
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* See also: ECMA-262 v5, 15.11.6.6
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*
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* @return ecma value
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* Returned value must be freed with ecma_free_value
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*/
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ecma_value_t
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ecma_raise_uri_error (const char *msg_p) /**< error message */
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{
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return ecma_raise_standard_error (ECMA_ERROR_URI, (const lit_utf8_byte_t *) msg_p);
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} /* ecma_raise_uri_error */
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/**
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* @}
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* @}
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*/
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