YourWishes/jerryscript
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add line info support. (#2286)

Browse Source 
Add line info data to byte, which allows getting a backtrace info directly
from the engine. Snapshots are not supported.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2018-04-19 02:12:54 +02:00
committed by yichoi
parent 095b730f9d
commit 5e097dc354
24 changed files with 773 additions and 52 deletions
Download Patch File Download Diff File Expand all files Collapse all files
jerry-main/main-unix.c
+50 -1
View File
@@ -89,9 +89,58 @@ print_unhandled_exception (jerry_value_t error_value) /**< error value */
{
assert (!jerry_value_has_error_flag (error_value));
jerry_char_t err_str_buf[256];
if (jerry_value_is_object (error_value))
{
jerry_value_t stack_str = jerry_create_string ((const jerry_char_t *) "stack");
jerry_value_t backtrace_val = jerry_get_property (error_value, stack_str);
jerry_release_value (stack_str);
if (!jerry_value_has_error_flag (backtrace_val)
&& jerry_value_is_array (backtrace_val))
{
printf ("Exception backtrace:\n");
uint32_t length = jerry_get_array_length (backtrace_val);
/* This length should be enough. */
if (length > 32)
{
length = 32;
}
for (uint32_t i = 0; i < length; i++)
{
jerry_value_t item_val = jerry_get_property_by_index (backtrace_val, i);
if (!jerry_value_has_error_flag (item_val)
&& jerry_value_is_string (item_val))
{
jerry_size_t str_size = jerry_get_string_size (item_val);
if (str_size >= 256)
{
printf ("%3d: [Backtrace string too long]\n", i);
}
else
{
jerry_size_t string_end = jerry_string_to_char_buffer (item_val, err_str_buf, str_size);
assert (string_end == str_size);
err_str_buf[string_end] = 0;
printf ("%3d: %s\n", i, err_str_buf);
}
}
jerry_release_value (item_val);
}
}
jerry_release_value (backtrace_val);
}
jerry_value_t err_str_val = jerry_value_to_string (error_value);
jerry_size_t err_str_size = jerry_get_string_size (err_str_val);
jerry_char_t err_str_buf[256];
if (err_str_size >= 256)
{