#!/usr/bin/env perl

use warnings;
use strict;

# usage:
# ./<program-name> 2>&1 | tsan-decoder

while(<STDIN>) {
    if (/<null> \((.+)\+(0x[0-9a-fA-F]+)\)$/) {
        my $lineNum = `addr2line -e $1 $2 2>/dev/null`;
        chomp $lineNum;
        if ($? == 0) {
            s/<null> \($1\+0x[0-9a-fA-F]+\)$/$lineNum/;
        }
    }
    print;
}