toSource method
Implementation
String toSource() {
var lines = _lines;
if (identical(lines[lines.length - 1].parts.length, 0)) {
lines = lines.sublist(0, lines.length - 1);
}
return lines
.map((line) => line.parts.isNotEmpty
? _createIndent(line.indent) + line.parts.join('')
: '')
.toList()
.join('\n');
}