From 3c29f50292a7f185508f0069f3b4b836b672ffff Mon Sep 17 00:00:00 2001
From: Jan Pokorný <jpokorny@redhat.com>
Date: Mon, 19 Nov 2012 15:35:45 +0100
Subject: No more pain with backtraces in bugzilla.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
---
 gdb-bt-reformat | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100755 gdb-bt-reformat

diff --git a/gdb-bt-reformat b/gdb-bt-reformat
new file mode 100755
index 0000000..6b3fb84
--- /dev/null
+++ b/gdb-bt-reformat
@@ -0,0 +1,43 @@
+#!/usr/bin/env python
+
+__author__ = "Jan Pokorny <jpokorny at redhat dot com>"
+__license__ = "GPLv2"
+
+from sys import stdin, stderr
+import re
+import textwrap
+
+DEF_IDENT = '[A-Za-z_][A-Za-z0-9_]*'
+DEF_HEX = '0x[0-9A-Za-z]+'
+DEF_MSG = '[<][ A-Za-z0-9_]+[>]'
+DEF_PATH = '[A-Za-z0-9._/]+'
+RE_BT = re.compile(\
+    '(?P<init>^\#[0-9]+\s+)'\
+    '(?:(?P<hex>%(DEF_HEX)s) in )?'\
+    '(?P<where>%(DEF_IDENT)s(?:(?: |::)%(DEF_IDENT)s)*)'\
+    ' (?P<args>[(](?:(?<=[( ])%(DEF_IDENT)s=(?:%(DEF_IDENT)s|%(DEF_MSG)s|%(DEF_HEX)s)(?:, )?)*[)])'\
+    ' at (?P<path>%(DEF_PATH)s):(?P<line>[1-9][0-9]*)'
+    % locals())
+
+
+def main():
+    space = None
+    line = '__init__'
+    while line:
+        line = stdin.readline()
+        found = RE_BT.search(line)
+        if found:
+            found = found.groupdict()
+            if not space:
+                space = '\n' + ' ' * len(found['init'])
+            args = textwrap.wrap(found['args'], subsequent_indent=space[1:])
+            res = found['init'] + found['where']
+            res += (args[0] == '()' and '()' or space + '\n'.join(args))
+            res += space + 'at ' + found['path'] + ':' + found['line'] + '\n'
+            print res
+        else:
+            space = None
+            print >>stderr, "bad line:", line
+
+if __name__ == '__main__':
+    main()
-- 
cgit