if err != nil {
		fmt.Fprintln(os.Stderr, "ERROR(syntax)", logPrefix, err)
		a.failed = true
		return
	}

	for _, p := range fs {
		// returns first error, but a.handleError deals with it
		files := a.filterFiles(p.Files)
		for _, file := range files {
			replacements := make(map[string]string)
			pathToFile := a.fset.File(file.Pos()).Name()
			for _, imp := range file.Imports {