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https://github.com/jerryscript-project/jerryscript.git
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918eb22a01
Aborts are similar to exceptions except they are not caught by catch and finally blocks. Callbacks should honor aborts as well and return them without processing them. Aborts are never thrown by JavaScript code. In the future certain events such as out-of-memory condition may also throw aborts. JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
353 lines
10 KiB
C
353 lines
10 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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#include <stdarg.h>
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#include "ecma-builtins.h"
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#include "ecma-conversion.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 "jcontext.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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JERRY_CONTEXT (error_value) = ecma_make_object_value (error_obj_p);
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JERRY_CONTEXT (status_flags) |= ECMA_STATUS_EXCEPTION;
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return ECMA_VALUE_ERROR;
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} /* ecma_raise_standard_error */
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#ifdef JERRY_ENABLE_ERROR_MESSAGES
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/**
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* Raise a standard ecma-error with the given format string and arguments.
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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_with_format (ecma_standard_error_t error_type, /**< error type */
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const char *format, /**< format string */
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...) /**< ecma-values */
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{
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JERRY_ASSERT (format != NULL);
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ecma_string_t *error_msg_p = ecma_get_magic_string (LIT_MAGIC_STRING__EMPTY);
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const char *start_p = format;
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const char *end_p = format;
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va_list args;
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va_start (args, format);
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while (*end_p)
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{
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if (*end_p == '%')
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{
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/* Concat template string. */
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if (end_p > start_p)
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{
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const lit_utf8_byte_t *chars_p = (const lit_utf8_byte_t *) start_p;
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lit_utf8_size_t chars_size = (lit_utf8_size_t) (end_p - start_p);
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error_msg_p = ecma_append_chars_to_string (error_msg_p,
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chars_p,
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chars_size,
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lit_utf8_string_length (chars_p, chars_size));
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}
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/* Convert an argument to string without side effects. */
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ecma_string_t *arg_string_p;
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const ecma_value_t arg_val = va_arg (args, ecma_value_t);
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if (unlikely (ecma_is_value_object (arg_val)))
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{
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ecma_object_t *arg_object_p = ecma_get_object_from_value (arg_val);
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lit_magic_string_id_t class_name = ecma_object_get_class_name (arg_object_p);
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arg_string_p = ecma_get_magic_string (class_name);
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}
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else
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{
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ecma_value_t str_val = ecma_op_to_string (arg_val);
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arg_string_p = ecma_get_string_from_value (str_val);
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}
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/* Concat argument. */
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error_msg_p = ecma_concat_ecma_strings (error_msg_p, arg_string_p);
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ecma_deref_ecma_string (arg_string_p);
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start_p = end_p + 1;
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}
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end_p++;
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}
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va_end (args);
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/* Concat reset of template string. */
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if (start_p < end_p)
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{
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const lit_utf8_byte_t *chars_p = (const lit_utf8_byte_t *) start_p;
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lit_utf8_size_t chars_size = (lit_utf8_size_t) (end_p - start_p);
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error_msg_p = ecma_append_chars_to_string (error_msg_p,
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chars_p,
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chars_size,
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lit_utf8_string_length (chars_p, chars_size));
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}
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ecma_object_t *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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JERRY_CONTEXT (error_value) = ecma_make_object_value (error_obj_p);
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JERRY_CONTEXT (status_flags) |= ECMA_STATUS_EXCEPTION;
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return ECMA_VALUE_ERROR;
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} /* ecma_raise_standard_error_with_format */
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#endif /* JERRY_ENABLE_ERROR_MESSAGES */
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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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