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errors: show carets

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* src/locations.c (caret_info): New, persistant information useful
for...
(location_caret): New, print a caret.
(cleanup_caret): Release caret_info cleanly, call it...
* src/main.c (main): Here.
* src/complain.c (error_message): Call location_caret here.
This commit is contained in:
Theophile Ranquet
2012-11-30 14:34:56 +01:00
parent 0db2648930
commit 3f5d1b2c67
6 changed files with 110 additions and 9 deletions
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12
src/complain.c
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@@ -74,11 +74,15 @@ error_message (location *loc,
vfprintf (stderr, message, args);
{
size_t l = strlen (message);
if (l < 2 || message[l-2] != ':' || message[l-1] != ' ') {
putc ('\n', stderr);
fflush (stderr);
}
if (l < 2 || message[l - 2] != ':' || message[l - 1] != ' ')
{
putc ('\n', stderr);
fflush (stderr);
if (loc && feature_flag & feature_caret)
location_caret (stderr, *loc);
}
}
fflush (stderr);
}
/** Wrap error_message() with varargs handling. */