diff options
Diffstat (limited to 'utils/narwhal.js')
| -rwxr-xr-x | utils/narwhal.js | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/utils/narwhal.js b/utils/narwhal.js deleted file mode 100755 index 4967afb..0000000 --- a/utils/narwhal.js +++ /dev/null @@ -1,208 +0,0 @@ -(function (system) { - -// global reference -global = system.global; -global.global = global; -global.system = system; -global.print = system.print; - -// logger shim -var logFake = function () { - if (system.debug) { - system.print(Array.prototype.join.apply(arguments, [" "])); - } -}; -var log = {fatal:logFake, error:logFake, warn:logFake, info:logFake, debug:logFake}; -system.log = log; - -// this only works for modules with no dependencies and a known absolute path -var requireFake = function(id, path, modules) { - modules = modules || {}; - var exports = {}; - var module = {id: id, path: path}; - - var factory = system.evaluate(system.fs.read(path), path, 1); - factory( - function(id) { return modules[id]; }, // require - exports, // exports - module, // module - system, // system - system.print // print - ); - - return exports; -} - -// bootstrap sandbox module -var sandbox = requireFake("sandbox", system.prefix + "/lib/sandbox.js"); - -// bootstrap file module -var fs = {}; -requireFake("sandbox", system.prefix + "/lib/file-bootstrap.js", { "file" : fs }); -for (var name in system.fs) { - if (Object.prototype.hasOwnProperty.call(system.fs, name)) { - fs[name] = system.fs[name]; - } -} -system.fs = fs; - -// construct the initial paths -var paths = []; -for (var i = 0; i < system.platforms.length; i++) { - var platform = system.platforms[i]; - paths.push(system.prefix + '/platforms/' + platform + '/lib'); -} -paths.push(system.prefix + '/lib'); - -// create the primary Loader and Sandbox: -var loader = sandbox.MultiLoader({ - paths: paths, - debug: system.verbose -}); -if (system.loaders) { - loader.loaders.unshift.apply(loader.loaders, system.loaders); - delete system.loaders; -} -var modules = {system: system, sandbox: sandbox}; -global.require = sandbox.Sandbox({ - loader: loader, - modules: modules, - debug: system.verbose -}); - -// patch the primordials (or: save the whales) -// to bring them up to at least the neighborhood of ES5 compliance. -try { - require("global"); -} catch (e) { - system.log.error("Couldn't load global/primordial patches ("+e+")"); -} - -// load the complete system module -global.require.force("system"); - -// augment the path search array with those provided in -// environment variables -paths.push([ - system.env.JS_PATH || '', - system.env.NARWHAL_PATH || '' -].join(':').split(':').filter(function (path) { - return !!path; -})); - -// parse command line options -var parser = require("narwhal").parser; -var options = parser.parse(system.args); -system.packagePrefixes = system.packagePrefixes || - [system.prefix]; -if (options.debug !== undefined) - system.debug = options.debug; -var wasVerbose = system.verbose; -if (options.verbose !== undefined) { - system.verbose = options.verbose; - require.verbose = system.verbose; -} - -// enable loader tracing -global.require.debug = options.verbose; -// in verbose mode, list all the modules that are -// already loaded -if (!wasVerbose && system.verbose) { - Object.keys(modules).forEach(function (name) { - print('@ ' + name); - }); -} - -// find the program module and its prefix -var program; -if (system.args.length && !options.interactive && !options.main) { - if (!program) - program = system.fs.path(system.args[0]).canonical(); - - // add package prefixes for all of the packages - // containing the program, from specific to general - var parts = system.fs.split(program); - for (var i = 0; i < parts.length; i++) { - var path = system.fs.join.apply(null, parts.slice(0, i)); - var packageJson = system.fs.join(path, 'package.json'); - if (system.fs.isFile(packageJson)) - system.packagePrefixes.unshift(path); - } - - if (program.isDirectory()) { - if (!program.join('package.json').isFile()) - throw new Error("Program directory does not contain a package.json"); - system.packagePrefixes.unshift(program); - } -} - -// user package prefixes -if (system.env.PACKAGE_HOME) - system.packagePrefixes.unshift(system.env.PACKAGE_HOME); -system.packagePrefixes.unshift.apply(system.packagePrefixes, options.packagePrefixes); - -// load packages -var packages; -if (!options.noPackages) { - try { - packages = require("packages"); - packages.main(); - } catch (e) { - system.log.error("Warning: Couldn't load packages. Packages won't be available. ("+e+")"); - } -} else { - packages = { - catalog: {}, - packageOrder: [] - } -} - -// run command options -// -I, --include lib -// -r, --require module -// -e, -c , --command command -// -:, --path delimiter -options.todo.forEach(function (item) { - var action = item[0]; - var value = item[1]; - if (action == "include") { - require.paths.unshift(value); - } else if (action == "require") { - require(value); - } else if (action == "eval") { - system.evalGlobal(value); - } else if (action == "path") { - var paths = packages.packageOrder.map(function (pkg) { - return pkg.directory.join('bin'); - }).filter(function (path) { - return path.isDirectory(); - }); - var oldPaths = system.env.PATH.split(value); - while (oldPaths.length) { - var path = oldPaths.shift(); - if (paths.indexOf(path) < 0) - paths.push(path); - } - print(paths.join(value)); - } -}); - -// load the program module -if (options.interactive) { - require('narwhal/repl'); -} else if (options.main) { - require.main(options.main); -} else if (program) { - if (program.isDirectory()) { - require.main(packages.root.directory.resolve(packages.root.main || 'main').toString()); - } else { - require.main(program.toString()); - } -} - -// send an unload event if that module has been required -if (require.loader.isLoaded('unload')) { - require('unload').send(); -} - -}) |