if err != nil {
				// Not valid Go source code - not our job to diagnose, so ignore.
				return nil, nil
			}
			checkGoFile(pass, f)
		} else {
			if err := checkOtherFile(pass, name); err != nil {
				return nil, err
			}
		}
	}
	return nil, nil
}

func checkGoFile(pass *analysis.Pass, f *ast.File) {
	pastCutoff := false
	for _, group := range f.Comments {

			if err != nil {
				// Not valid Go source code - not our job to diagnose, so ignore.
				continue
			}
			checkGoFile(pass, f)
		} else {
			if err := checkOtherFile(pass, name); err != nil {
				return nil, err
			}
		}
	}
	return nil, nil
}

func checkGoFile(pass *analysis.Pass, f *ast.File) {
	check := newChecker(pass, pass.Fset.File(f.Package).Name(), f)

	for _, group := range f.Comments {

			if err != nil {
				// Not valid Go source code - not our job to diagnose, so ignore.
				return nil, nil
			}
			checkGoFile(pass, f)
		} else {
			if err := checkOtherFile(pass, name); err != nil {
				return nil, err
			}
		}
	}
	return nil, nil
}

func checkGoFile(pass *analysis.Pass, f *ast.File) {
	var check checker
	check.init(pass)
	defer check.finish()

	for _, group := range f.Comments {