dbug/remove_function_from_trace.pl

dbug/remove_function_from_trace.pl:
  New BitKeeper file ``dbug/remove_function_from_trace.pl''

1 files changed, 26 insertions, 0 deletions

diff --git a/dbug/remove_function_from_trace.pl b/dbug/remove_function_from_trace.pl
new file mode 100755
index 00000000000..1da9e25f9ba
--- /dev/null
+++ b/dbug/remove_function_from_trace.pl
@@ -0,0 +1,26 @@
+#!/usr/bin/perl
+
+
+die <<EEE unless @ARGV;
+Usage: $0 func1 [func2 [ ...] ]
+
+This filter (stdin->stdout) removes lines from dbug trace that were generated
+by specified functions and all functions down the call stack. Produces the
+same effect as if the original source had DBUG_PUSH(""); right after
+DBUG_ENTER() and DBUG_POP(); right before DBUG_RETURN in every such a function.
+EEE
+
+$re=join('|', @ARGV);
+$skip='';
+
+while(<STDIN>) {
+  print unless $skip;
+  next unless /^(?:.*: )*((?:\| )*)([<>])($re)\n/o;
+  if ($2 eq '>') {
+    $skip=$1.$3 unless $skip;
+    next;
+  }
+  next if $skip ne $1.$3;
+  $skip='';
+  print;
+}