A few lines of code to clean the trace.log produced by DMD

[bobef]

Demangles the names. Needs tangobos.

------------------------------

import tango.io.File;
import tango.io.FileConduit;
import tango.text.Util;
import tango.io.Stdout;
import tango.io.Print;
import tango.text.convert.Layout;
import Regex;
import std.demangle;

pragma(lib,"tangobos.lib");

void main(char[][] argv)
{
	char[] filein="trace.log";
	char[] fileout="trace.fixed.txt";
	if(argv.length>1) filein=argv[0];
	if(argv.length>2) filein=argv[1];

	auto buf=cast(char[])File(filein).read;
	buf=buf[locatePattern(buf,"======== Timer Is")..$];
	uint nl=0;
	for(uint c=0;c<buf.length;)
	{
		if(buf[c++]=='\n')
		{
			if(++nl==5)
			{
				auto print = new Print!(char)(new Layout!(char),new FileConduit(fileout,FileConduit.WriteCreate));
				print(buf[0..c]);
				foreach(line;lines(buf[c..$]))
				{
					 foreach(m; Regex.Regex(r"(\s*\d+)(\s*\d+)(\s*\d+)(\s*\d+)(\s*)([^$]+)").search(line))
					 {
						 print(m.match(1))(m.match(2))(m.match(3))(m.match(4))(m.match(5))(demangle(m.match(6))).newline;
					 }
				}
				break;
			}
		}
	}
}