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Structure files and bootstrapping logic to be much cleaner
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| // Keep locals out of global scope | ||
| (function () { | ||
|
|
||
| // Copy the interesting bits from alpha to where we want them | ||
| var bindings = alpha.bindings; | ||
| var executeFile = alpha.executeFile; | ||
| (function() { | ||
| var global = this; | ||
| global.global = global; | ||
| global.args = alpha.args; | ||
| global.print = alpha.print; | ||
| global.exit = alpha.exit; | ||
| global.printErr = alpha.printErr; | ||
| delete global.alpha; | ||
| }()); | ||
|
|
||
| // This is needed before we can require anything | ||
| var moduleCache = {}; | ||
|
|
||
| var uv = realRequire('uv'); | ||
|
|
||
| function loadBuiltin(name) { | ||
| if (!bindings.hasOwnProperty(name)) return false; | ||
| if (moduleCache.hasOwnProperty(name)) { | ||
| return moduleCache[name]; | ||
| } | ||
| return moduleCache[name] = bindings[name](); | ||
| } | ||
| function loadModule(filename) { | ||
| var dirname = filename.substr(0, filename.lastIndexOf("/")); | ||
| var require = function require(name) { | ||
| return realRequire(name, dirname); | ||
| } | ||
| require.resolve = function resolve(name) { | ||
| return realResolve(name, dirname); | ||
| } | ||
| var exports = moduleCache[filename]; | ||
| var module = { exports: exports }; | ||
| var sandbox = Object.create(this, { | ||
| exports: { value: exports }, | ||
| module: { value: module }, | ||
| __filename: { value: filename }, | ||
| __dirname: { value: dirname }, | ||
| require: { value: require } | ||
| }); | ||
| executeFile(filename, sandbox); | ||
| return module.exports; | ||
| } | ||
|
|
||
| function realResolve(name, base) { | ||
| // TODO: put prefix here once makefile puts binary in bin folder | ||
| // var prefix = uv.exepath().match(/^(.*)\/[^\/]+\/[^\/]+$/)[1] + "/"; | ||
| return "lib/luvmonkey/" + name + ".js"; | ||
| } | ||
|
|
||
| function realRequire(name, base) { | ||
| var module = loadBuiltin(name); | ||
| if (module) return module; | ||
| var filename = realResolve(name, base); | ||
| if (moduleCache.hasOwnProperty(filename)) { | ||
| return moduleCache[filename]; | ||
| } | ||
| moduleCache[filename] = {}; | ||
| return moduleCache[filename] = loadModule(filename); | ||
| } | ||
|
|
||
| if (args.length < 2) { | ||
| print("Usage\n\t" + args[0] + " filename.js\n") | ||
| exit(1); | ||
| } | ||
|
|
||
| // Execute the first arg as a luvmonkey script. | ||
| var path = args[1]; | ||
| if (path[0] !== "/") path = uv.cwd() + "/" + path; | ||
| loadModule(path); | ||
|
|
||
| // Start the event loop. | ||
| uv.run(); | ||
|
|
||
| }()); |
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