return nil, err
		}
		if info.IsDir() {
			return parseDir(path)
		}
	}

	// list of files
	return parseFiles("", args)
}

func checkPkgFiles(files []*ast.File) {
	type bailout struct{}

	// if checkPkgFiles is called multiple times, set up conf only once
	conf := types.Config{
		FakeImportC: true,
		Error: func(err error) {
			if !*allErrors && errorCount >= 10 {