2026-03-12 20:23:15

tpt/stack_helper.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+
+# Copyright 2022 Tanel Poder. All rights reserved. More info at https://tanelpoder.com
+# Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
+
+from __future__ import print_function
+import sys, os
+
+full_stringlist = []
+
+# parse stacks
+for l in sys.stdin:
+    l = l.rstrip().split('<-')
+    l.reverse()
+    
+    x = []
+    for f in l:
+        if f.startswith("__sighandler()"):
+            break
+        else:
+            x.append(f.split('+')[0])
+
+    s = ""
+    for f in x:
+        s += "%s/" % f
+
+    full_stringlist.append(s) 
+
+prefixlength = len(os.path.commonpath(full_stringlist))
+common_funclist = os.path.commonpath(full_stringlist).split("/")
+
+# report
+if sys.argv[1] == "prefix":
+    for (i,f) in enumerate(common_funclist):
+        print("#%3d %s %s" % (len(common_funclist)-i, " "*i, f))
+else:
+    for suffix_funcs in full_stringlist:
+        print(" ", suffix_funcs[prefixlength:-1].replace('/','->'))
+