Dániel Bátyai
9860d66a56
Related to #4186. Some notable changes: - The term 'Error' now strictly refers to native Error objects defined in the ECMA standard, which are ordinary objects. All other uses of 'error' or 'error reference' where the term refers to a thrown value is now called 'exception'. - Simplified the naming scheme of many String API functions. These functions will now also take an 'encoding' argument to specify the desired encoding in which to operate. - Removed the substring-copy-to-buffer functions. These functions behaved awkwardly, as they use character index to specify the start/end positions, and were mostly used incorrectly with byte offsets instead. The functionality can still be replicated with other functions if necessary. - String-to-buffer functions will no longer fail if the buffer is not sufficiently large, the string will instead be cropped. - Fixed the usage of the '_sz' prefix in many API functions. The term 'sz' means zero-terminated string in hungarian notation, this was used incorrectly in many cases. - Renamed most of the public API functions to have shorter, more on-point names, rather than the often too long descriptive names. Functions are now also grouped by the type of value they operate on, where this makes sense. JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai@inf.u-szeged.hu
570 lines
17 KiB
C
570 lines
17 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.h"
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#include "config.h"
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#include "test-common.h"
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static jerry_value_t
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backtrace_handler (const jerry_call_info_t *call_info_p, /**< call information */
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const jerry_value_t args_p[], /**< argument list */
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const jerry_length_t args_count) /**< argument count */
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{
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JERRY_UNUSED (call_info_p);
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uint32_t max_depth = 0;
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if (args_count >= 1 && jerry_value_is_number (args_p[0]))
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{
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max_depth = (uint32_t) jerry_value_as_number (args_p[0]);
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}
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return jerry_backtrace (max_depth);
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} /* backtrace_handler */
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static void
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compare_string (jerry_value_t left_value, /* string value */
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const char *right_p) /* string to compare */
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{
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jerry_char_t buffer[64];
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size_t length = strlen (right_p);
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TEST_ASSERT (length <= sizeof (buffer));
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TEST_ASSERT (jerry_value_is_string (left_value));
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TEST_ASSERT (jerry_string_size (left_value, JERRY_ENCODING_CESU8) == length);
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TEST_ASSERT (jerry_string_to_buffer (left_value, JERRY_ENCODING_CESU8, buffer, sizeof (buffer)) == length);
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TEST_ASSERT (memcmp (buffer, right_p, length) == 0);
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} /* compare_string */
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static const jerry_value_t *handler_args_p;
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static int frame_index;
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static bool
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backtrace_callback (jerry_frame_t *frame_p, /* frame information */
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void *user_p) /* user data */
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{
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TEST_ASSERT ((void *) handler_args_p == user_p);
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TEST_ASSERT (jerry_frame_type (frame_p) == JERRY_BACKTRACE_FRAME_JS);
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const jerry_frame_location_t *location_p = jerry_frame_location (frame_p);
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const jerry_value_t *function_p = jerry_frame_callee (frame_p);
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const jerry_value_t *this_p = jerry_frame_this (frame_p);
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TEST_ASSERT (location_p != NULL);
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TEST_ASSERT (function_p != NULL);
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TEST_ASSERT (this_p != NULL);
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compare_string (location_p->source_name, "capture_test.js");
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++frame_index;
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if (frame_index == 1)
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{
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TEST_ASSERT (!jerry_frame_is_strict (frame_p));
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TEST_ASSERT (location_p->line == 2);
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TEST_ASSERT (location_p->column == 3);
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TEST_ASSERT (handler_args_p[0] == *function_p);
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TEST_ASSERT (handler_args_p[1] == *this_p);
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return true;
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}
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if (frame_index == 2)
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{
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TEST_ASSERT (jerry_frame_is_strict (frame_p));
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TEST_ASSERT (location_p->line == 7);
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TEST_ASSERT (location_p->column == 6);
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TEST_ASSERT (handler_args_p[2] == *function_p);
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TEST_ASSERT (jerry_value_is_undefined (*this_p));
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return true;
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}
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jerry_value_t global = jerry_current_realm ();
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TEST_ASSERT (frame_index == 3);
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TEST_ASSERT (!jerry_frame_is_strict (frame_p));
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TEST_ASSERT (location_p->line == 11);
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TEST_ASSERT (location_p->column == 3);
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TEST_ASSERT (handler_args_p[3] == *function_p);
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TEST_ASSERT (global == *this_p);
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jerry_value_free (global);
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return false;
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} /* backtrace_callback */
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static bool
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async_backtrace_callback (jerry_frame_t *frame_p, /* frame information */
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void *user_p) /* user data */
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{
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TEST_ASSERT ((void *) handler_args_p == user_p);
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TEST_ASSERT (jerry_frame_type (frame_p) == JERRY_BACKTRACE_FRAME_JS);
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const jerry_frame_location_t *location_p = jerry_frame_location (frame_p);
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const jerry_value_t *function_p = jerry_frame_callee (frame_p);
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TEST_ASSERT (location_p != NULL);
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TEST_ASSERT (function_p != NULL);
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compare_string (location_p->source_name, "async_capture_test.js");
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++frame_index;
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if (frame_index == 1)
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{
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TEST_ASSERT (jerry_frame_is_strict (frame_p));
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TEST_ASSERT (location_p->line == 3);
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TEST_ASSERT (location_p->column == 3);
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TEST_ASSERT (handler_args_p[0] == *function_p);
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return true;
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}
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TEST_ASSERT (frame_index == 2);
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TEST_ASSERT (!jerry_frame_is_strict (frame_p));
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TEST_ASSERT (location_p->line == 8);
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TEST_ASSERT (location_p->column == 3);
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TEST_ASSERT (handler_args_p[1] == *function_p);
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return true;
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} /* async_backtrace_callback */
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static bool
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class_backtrace_callback (jerry_frame_t *frame_p, /* frame information */
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void *user_p) /* user data */
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{
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TEST_ASSERT ((void *) handler_args_p == user_p);
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TEST_ASSERT (jerry_frame_type (frame_p) == JERRY_BACKTRACE_FRAME_JS);
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const jerry_frame_location_t *location_p = jerry_frame_location (frame_p);
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const jerry_value_t *function_p = jerry_frame_callee (frame_p);
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TEST_ASSERT (location_p != NULL);
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TEST_ASSERT (function_p != NULL);
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compare_string (location_p->source_name, "class_capture_test.js");
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++frame_index;
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if (frame_index == 1)
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{
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TEST_ASSERT (jerry_frame_is_strict (frame_p));
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TEST_ASSERT (location_p->line == 3);
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TEST_ASSERT (location_p->column == 14);
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return false;
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}
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TEST_ASSERT (frame_index == 2);
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TEST_ASSERT (jerry_frame_is_strict (frame_p));
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TEST_ASSERT (location_p->line == 2);
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TEST_ASSERT (location_p->column == 7);
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return false;
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} /* class_backtrace_callback */
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static jerry_value_t
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capture_handler (const jerry_call_info_t *call_info_p, /**< call information */
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const jerry_value_t args_p[], /**< argument list */
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const jerry_length_t args_count) /**< argument count */
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{
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JERRY_UNUSED (call_info_p);
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TEST_ASSERT (args_count == 0 || args_count == 2 || args_count == 4);
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TEST_ASSERT (args_count == 0 || frame_index == 0);
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jerry_backtrace_cb_t callback = backtrace_callback;
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if (args_count == 0)
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{
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callback = class_backtrace_callback;
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}
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else if (args_count == 2)
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{
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callback = async_backtrace_callback;
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}
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handler_args_p = args_p;
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jerry_backtrace_capture (callback, (void *) args_p);
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TEST_ASSERT (args_count == 0 || frame_index == (args_count == 4 ? 3 : 2));
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return jerry_undefined ();
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} /* capture_handler */
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static bool
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global_backtrace_callback (jerry_frame_t *frame_p, /* frame information */
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void *user_p) /* user data */
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{
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TEST_ASSERT (user_p != NULL && frame_index == 0);
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frame_index++;
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const jerry_value_t *function_p = jerry_frame_callee (frame_p);
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jerry_value_t *result_p = ((jerry_value_t *) user_p);
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TEST_ASSERT (function_p != NULL);
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jerry_value_free (*result_p);
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*result_p = jerry_value_copy (*function_p);
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return true;
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} /* global_backtrace_callback */
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static jerry_value_t
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global_capture_handler (const jerry_call_info_t *call_info_p, /**< call information */
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const jerry_value_t args_p[], /**< argument list */
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const jerry_length_t args_count) /**< argument count */
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{
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JERRY_UNUSED (call_info_p);
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JERRY_UNUSED (args_p);
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JERRY_UNUSED (args_count);
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jerry_value_t result = jerry_undefined ();
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jerry_backtrace_capture (global_backtrace_callback, &result);
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TEST_ASSERT (jerry_value_is_object (result));
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return result;
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} /* global_capture_handler */
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static void
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register_callback (jerry_external_handler_t handler_p, /**< callback function */
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char *name_p) /**< name of the function */
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{
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jerry_value_t global = jerry_current_realm ();
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jerry_value_t func = jerry_function_external (handler_p);
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jerry_value_t name = jerry_string_sz (name_p);
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jerry_value_t result = jerry_object_set (global, name, func);
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TEST_ASSERT (!jerry_value_is_exception (result));
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jerry_value_free (result);
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jerry_value_free (name);
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jerry_value_free (func);
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jerry_value_free (global);
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} /* register_callback */
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static jerry_value_t
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run (const char *source_name_p, /**< resource name */
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const char *source_p) /**< source code */
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{
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jerry_parse_options_t parse_options;
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parse_options.options = JERRY_PARSE_HAS_SOURCE_NAME;
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parse_options.source_name = jerry_string_sz (source_name_p);
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jerry_value_t code = jerry_parse ((const jerry_char_t *) source_p, strlen (source_p), &parse_options);
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jerry_value_free (parse_options.source_name);
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TEST_ASSERT (!jerry_value_is_exception (code));
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jerry_value_t result = jerry_run (code);
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jerry_value_free (code);
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return result;
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} /* run */
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static void
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compare (jerry_value_t array, /**< array */
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uint32_t index, /**< item index */
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const char *str) /**< string to compare */
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{
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jerry_char_t buf[64];
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size_t len = strlen (str);
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TEST_ASSERT (len < sizeof (buf));
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jerry_value_t value = jerry_object_get_index (array, index);
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TEST_ASSERT (!jerry_value_is_exception (value) && jerry_value_is_string (value));
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TEST_ASSERT (jerry_string_size (value, JERRY_ENCODING_CESU8) == len);
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jerry_size_t str_len = jerry_string_to_buffer (value, JERRY_ENCODING_CESU8, buf, (jerry_size_t) len);
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TEST_ASSERT (str_len == len);
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jerry_value_free (value);
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TEST_ASSERT (memcmp (buf, str, len) == 0);
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} /* compare */
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static void
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test_get_backtrace_api_call (void)
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{
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jerry_init (JERRY_INIT_EMPTY);
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register_callback (backtrace_handler, "backtrace");
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register_callback (capture_handler, "capture");
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const char *source_p = ("function f() {\n"
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" return backtrace(0);\n"
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"}\n"
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"\n"
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"function g() {\n"
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" return f();\n"
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"}\n"
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"\n"
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"function h() {\n"
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" return g();\n"
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"}\n"
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"\n"
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"h();\n");
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jerry_value_t backtrace = run ("something.js", source_p);
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TEST_ASSERT (!jerry_value_is_exception (backtrace) && jerry_value_is_array (backtrace));
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TEST_ASSERT (jerry_array_length (backtrace) == 4);
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compare (backtrace, 0, "something.js:2:3");
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compare (backtrace, 1, "something.js:6:3");
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compare (backtrace, 2, "something.js:10:3");
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compare (backtrace, 3, "something.js:13:1");
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jerry_value_free (backtrace);
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/* Depth set to 2 this time. */
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source_p = ("function f() {\n"
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" 1; return backtrace(2);\n"
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"}\n"
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"\n"
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"function g() {\n"
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" return f();\n"
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"}\n"
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"\n"
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"function h() {\n"
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" return g();\n"
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"}\n"
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"\n"
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"h();\n");
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backtrace = run ("something_else.js", source_p);
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TEST_ASSERT (!jerry_value_is_exception (backtrace) && jerry_value_is_array (backtrace));
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TEST_ASSERT (jerry_array_length (backtrace) == 2);
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compare (backtrace, 0, "something_else.js:2:6");
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compare (backtrace, 1, "something_else.js:6:3");
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jerry_value_free (backtrace);
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/* Test frame capturing. */
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frame_index = 0;
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source_p = ("var o = { f:function() {\n"
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" return capture(o.f, o, g, h);\n"
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"} }\n"
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"\n"
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"function g() {\n"
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" 'use strict';\n"
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" 1; return o.f();\n"
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"}\n"
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"\n"
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"function h() {\n"
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" return g();\n"
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"}\n"
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"\n"
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"h();\n");
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jerry_value_t result = run ("capture_test.js", source_p);
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TEST_ASSERT (jerry_value_is_undefined (result));
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jerry_value_free (result);
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TEST_ASSERT (frame_index == 3);
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/* Test async frame capturing. */
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source_p = "async function f() {}";
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result = jerry_eval ((const jerry_char_t *) source_p, strlen (source_p), JERRY_PARSE_NO_OPTS);
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if (!jerry_value_is_exception (result))
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{
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jerry_value_free (result);
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frame_index = 0;
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source_p = ("function f() {\n"
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" 'use strict';\n"
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" return capture(f, g);\n"
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"}\n"
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"\n"
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"async function g() {\n"
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" await 0;\n"
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" return f();\n"
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"}\n"
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"\n"
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"g();\n");
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result = run ("async_capture_test.js", source_p);
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TEST_ASSERT (jerry_value_is_promise (result));
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jerry_value_free (result);
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TEST_ASSERT (frame_index == 0);
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result = jerry_run_jobs ();
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TEST_ASSERT (!jerry_value_is_exception (result));
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TEST_ASSERT (frame_index == 2);
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}
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else
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{
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TEST_ASSERT (jerry_error_type (result) == JERRY_ERROR_SYNTAX);
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}
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jerry_value_free (result);
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/* Test class initializer frame capturing. */
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source_p = "class C {}";
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result = jerry_eval ((const jerry_char_t *) source_p, strlen (source_p), JERRY_PARSE_NO_OPTS);
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if (!jerry_value_is_exception (result))
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{
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jerry_value_free (result);
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frame_index = 0;
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source_p = ("class C {\n"
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" a = capture();\n"
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" static b = capture();\n"
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"}\n"
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"new C;\n");
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result = run ("class_capture_test.js", source_p);
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TEST_ASSERT (!jerry_value_is_exception (result));
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TEST_ASSERT (frame_index == 2);
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}
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else
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{
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TEST_ASSERT (jerry_error_type (result) == JERRY_ERROR_SYNTAX);
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}
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jerry_value_free (result);
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register_callback (global_capture_handler, "global_capture");
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frame_index = 0;
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source_p = "global_capture()";
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jerry_value_t code = jerry_parse ((const jerry_char_t *) source_p, strlen (source_p), NULL);
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TEST_ASSERT (!jerry_value_is_exception (code));
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result = jerry_run (code);
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jerry_value_t compare_value = jerry_binary_op (JERRY_BIN_OP_STRICT_EQUAL, result, code);
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TEST_ASSERT (jerry_value_is_true (compare_value));
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jerry_value_free (compare_value);
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jerry_value_free (result);
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jerry_value_free (code);
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jerry_cleanup ();
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} /* test_get_backtrace_api_call */
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static void
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test_exception_backtrace (void)
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{
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jerry_init (JERRY_INIT_EMPTY);
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const char *source = ("function f() {\n"
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" undef_reference;\n"
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"}\n"
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"\n"
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"function g() {\n"
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" return f();\n"
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"}\n"
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"\n"
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"g();\n");
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jerry_value_t error = run ("bad.js", source);
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TEST_ASSERT (jerry_value_is_exception (error));
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error = jerry_exception_value (error, true);
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TEST_ASSERT (jerry_value_is_object (error));
|
|
|
|
jerry_value_t name = jerry_string_sz ("stack");
|
|
jerry_value_t backtrace = jerry_object_get (error, name);
|
|
|
|
jerry_value_free (name);
|
|
jerry_value_free (error);
|
|
|
|
TEST_ASSERT (!jerry_value_is_exception (backtrace) && jerry_value_is_array (backtrace));
|
|
|
|
TEST_ASSERT (jerry_array_length (backtrace) == 3);
|
|
|
|
compare (backtrace, 0, "bad.js:2:3");
|
|
compare (backtrace, 1, "bad.js:6:3");
|
|
compare (backtrace, 2, "bad.js:9:1");
|
|
|
|
jerry_value_free (backtrace);
|
|
|
|
jerry_cleanup ();
|
|
} /* test_exception_backtrace */
|
|
|
|
static void
|
|
test_large_line_count (void)
|
|
{
|
|
jerry_init (JERRY_INIT_EMPTY);
|
|
|
|
const char *source = ("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
|
|
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
|
|
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
|
|
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
|
|
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
|
|
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
|
|
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
|
|
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
|
|
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
|
|
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
|
|
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
|
|
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
|
|
"g();\n");
|
|
|
|
jerry_value_t error = run ("bad.js", source);
|
|
|
|
TEST_ASSERT (jerry_value_is_exception (error));
|
|
|
|
error = jerry_exception_value (error, true);
|
|
|
|
TEST_ASSERT (jerry_value_is_object (error));
|
|
|
|
jerry_value_t name = jerry_string_sz ("stack");
|
|
jerry_value_t backtrace = jerry_object_get (error, name);
|
|
|
|
jerry_value_free (name);
|
|
jerry_value_free (error);
|
|
|
|
TEST_ASSERT (!jerry_value_is_exception (backtrace) && jerry_value_is_array (backtrace));
|
|
|
|
TEST_ASSERT (jerry_array_length (backtrace) == 1);
|
|
|
|
compare (backtrace, 0, "bad.js:385:1");
|
|
|
|
jerry_value_free (backtrace);
|
|
|
|
jerry_cleanup ();
|
|
} /* test_large_line_count */
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
TEST_INIT ();
|
|
|
|
TEST_ASSERT (jerry_feature_enabled (JERRY_FEATURE_LINE_INFO));
|
|
|
|
test_get_backtrace_api_call ();
|
|
test_exception_backtrace ();
|
|
test_large_line_count ();
|
|
|
|
return 0;
|
|
} /* main */
|