format method
Implementation
String format(List<RetracedLine> trace){
var output = new StringBuffer();
for(var line in trace) {
if(!line.parsed){
output.writeln(line.raw);
continue;
}
if(!line.located){
output.writeln(yellow(line.raw));
}
output.write(' at ');
output.write("${line.source}:${line.line}".padRight(40));
output.write(' ');
output.write(red(line.raw));
output.write(' (col ${line.col})');
output.writeln();
};
return output.toString();
}