in lib/refactor.dart [48:89]
NestedPrinter commit() {
var printer = NestedPrinter();
if (_edits.isEmpty) {
return printer..add(original, location: _loc(0), isOriginal: true);
}
// Sort edits by start location.
_edits.sort();
var consumed = 0;
for (var edit in _edits) {
if (consumed > edit.begin) {
var sb = StringBuffer();
sb
..write(file?.location(edit.begin).toolString)
..write(': overlapping edits. Insert at offset ')
..write(edit.begin)
..write(' but have consumed ')
..write(consumed)
..write(' input characters. List of edits:');
for (var e in _edits) {
sb
..write('\n ')
..write(e);
}
throw UnsupportedError(sb.toString());
}
// Add characters from the original string between this edit and the last
// one, if any.
var betweenEdits = original.substring(consumed, edit.begin);
printer
..add(betweenEdits, location: _loc(consumed), isOriginal: true)
..add(edit.replace, location: _loc(edit.begin));
consumed = edit.end;
}
// Add any text from the end of the original string that was not replaced.
printer.add(original.substring(consumed),
location: _loc(consumed), isOriginal: true);
return printer;
}