forked from xuos/xiuos
135 lines
5.2 KiB
C
135 lines
5.2 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 "jerryscript-ext/handler.h"
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#include "jerryscript-port.h"
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#include <inttypes.h>
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/**
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* Hard assert for scripts. The routine calls jerry_port_fatal on assertion failure.
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*
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* Notes:
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* * If the `JERRY_FEATURE_LINE_INFO` runtime feature is enabled (build option: `JERRY_LINE_INFO`)
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* a backtrace is also printed out.
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*
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* @return true - if only one argument was passed and that argument was a boolean true.
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* Note that the function does not return otherwise.
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*/
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jerry_value_t
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jerryx_handler_assert_fatal (const jerry_value_t func_obj_val, /**< function object */
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const jerry_value_t this_p, /**< this arg */
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const jerry_value_t args_p[], /**< function arguments */
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const jerry_length_t args_cnt) /**< number of function arguments */
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{
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(void) func_obj_val; /* unused */
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(void) this_p; /* unused */
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if (args_cnt == 1
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&& jerry_value_is_boolean (args_p[0])
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&& jerry_get_boolean_value (args_p[0]))
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{
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return jerry_create_boolean (true);
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}
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/* Assert failed, print a bit of JS backtrace */
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jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Script Error: assertion failed\n");
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if (jerry_is_feature_enabled (JERRY_FEATURE_LINE_INFO))
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{
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jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Script backtrace (top 5):\n");
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/* If the line info feature is disabled an empty array will be returned. */
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jerry_value_t backtrace_array = jerry_get_backtrace (5);
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uint32_t array_length = jerry_get_array_length (backtrace_array);
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for (uint32_t idx = 0; idx < array_length; idx++)
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{
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jerry_value_t property = jerry_get_property_by_index (backtrace_array, idx);
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jerry_length_t total_size = jerry_get_utf8_string_size (property);
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jerry_length_t current_size = 0;
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jerry_char_t string_buffer[64];
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const jerry_length_t copy_size = (jerry_length_t) (sizeof (string_buffer) - 1);
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/* On some systems the uint32_t values can't be printed with "%u" and
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* on some systems it can be printed. To avoid differences in the uint32_t typdef
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* The "PRIu32" macro is used to correctly add the formatter.
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*/
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jerry_port_log (JERRY_LOG_LEVEL_ERROR, " %"PRIu32": ", idx);
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do
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{
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jerry_size_t copied_bytes = jerry_substring_to_utf8_char_buffer (property,
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current_size,
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current_size + copy_size,
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string_buffer,
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copy_size);
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string_buffer[copied_bytes] = '\0';
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jerry_port_log (JERRY_LOG_LEVEL_ERROR, "%s", string_buffer);
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current_size += copied_bytes;
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}
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while (total_size != current_size);
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jerry_port_log (JERRY_LOG_LEVEL_ERROR, "\n");
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jerry_release_value (property);
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}
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jerry_release_value (backtrace_array);
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}
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jerry_port_fatal (ERR_FAILED_INTERNAL_ASSERTION);
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} /* jerryx_handler_assert_fatal */
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/**
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* Soft assert for scripts. The routine throws an error on assertion failure.
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*
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* @return true - if only one argument was passed and that argument was a boolean true.
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* error - otherwise.
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*/
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jerry_value_t
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jerryx_handler_assert_throw (const jerry_value_t func_obj_val, /**< function object */
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const jerry_value_t this_p, /**< this arg */
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const jerry_value_t args_p[], /**< function arguments */
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const jerry_length_t args_cnt) /**< number of function arguments */
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{
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(void) func_obj_val; /* unused */
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(void) this_p; /* unused */
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if (args_cnt == 1
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&& jerry_value_is_boolean (args_p[0])
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&& jerry_get_boolean_value (args_p[0]))
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{
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return jerry_create_boolean (true);
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}
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return jerry_create_error (JERRY_ERROR_COMMON, (jerry_char_t *) "assertion failed");
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} /* jerryx_handler_assert_throw */
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/**
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* An alias to `jerryx_handler_assert_fatal`.
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*
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* @return true - if only one argument was passed and that argument was a boolean true.
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* Note that the function does not return otherwise.
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*/
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jerry_value_t
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jerryx_handler_assert (const jerry_value_t func_obj_val, /**< function object */
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const jerry_value_t this_p, /**< this arg */
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const jerry_value_t args_p[], /**< function arguments */
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const jerry_length_t args_cnt) /**< number of function arguments */
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{
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return jerryx_handler_assert_fatal (func_obj_val, this_p, args_p, args_cnt);
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} /* jerryx_handler_assert */
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