}
	slices.Sort(fs)
	return
}

var parsedFileCache = make(map[string]*ast.File)

func (w *Walker) parseFile(dir, file string) (*ast.File, error) {
	filename := filepath.Join(dir, file)
	if f := parsedFileCache[filename]; f != nil {
		return f, nil
	}

	f, err := parser.ParseFile(fset, filename, nil, parser.ParseComments)
	if err != nil {
		return nil, err
	}
	parsedFileCache[filename] = f

"ringDecodeAndDecompr": "ringDecodeAndDecompr", "ringDecodeAndDecompr": "ringDecodeAndDecompr", } func main() { inputFile := flag.String("input", "", "") outputFile := flag.String("output", "", "") flag.Parse() fset := token.NewFileSet() f, err := parser.ParseFile(fset, *inputFile, nil, parser.SkipObjectResolution|parser.ParseComments) if err != nil { log.Fatal(err) } cmap := ast.NewCommentMap(fset, f, f.Comments) // Drop header comments. cmap[ast.Node(f)] = nil // Remove top-level consts used across the main...