9 function load(ast, options) {  argument
10   options = getOptions(options);
22           path = options.resolve(file.path, file.filename, options);
24           str = options.read(path, options);
31           file.ast = load.string(str, assign({}, options, {
40 load.string = function loadString(src, options) {  argument
41   options = assign(getOptions(options), {
44   var tokens = options.lex(src, options);
45   var ast = options.parse(tokens, options);
46   return load(ast, options);
48 load.file = function loadFile(filename, options) {  argument
49   options = assign(getOptions(options), {
52   var str = options.read(filename);
53   return load.string(str, options);
56 load.resolve = function resolve(filename, source, options) {  argument
61   if (filename[0] === '/' && !options.basedir)
64 …filename = path.join(filename[0] === '/' ? options.basedir : path.dirname(source.trim()), filename…
68 load.read = function read(filename, options) {  argument
72 load.validateOptions = function validateOptions(options) {  argument
74   if (typeof options !== 'object') {
78   if (typeof options.lex !== 'function') {
82   if (typeof options.parse !== 'function') {
86   if (options.resolve && typeof options.resolve !== 'function') {
90   if (options.read && typeof options.read !== 'function') {
95 function getOptions(options) {  argument
96   load.validateOptions(options);
100   }, options);