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jashkenas--coffeescript/lib/coffee-script/coffee-script.js
2011-12-18 13:21:00 -05:00

150 lines
4.4 KiB
JavaScript

(function() {
var Lexer, RESERVED, compile, fs, lexer, parser, path, vm, _ref,
__hasProp = Object.prototype.hasOwnProperty;
fs = require('fs');
path = require('path');
_ref = require('./lexer'), Lexer = _ref.Lexer, RESERVED = _ref.RESERVED;
parser = require('./parser').parser;
vm = require('vm');
if (require.extensions) {
require.extensions['.coffee'] = function(module, filename) {
var content;
content = compile(fs.readFileSync(filename, 'utf8'), {
filename: filename
});
return module._compile(content, filename);
};
} else if (require.registerExtension) {
require.registerExtension('.coffee', function(content) {
return compile(content);
});
}
exports.VERSION = '1.2.0';
exports.RESERVED = RESERVED;
exports.helpers = require('./helpers');
exports.compile = compile = function(code, options) {
var merge;
if (options == null) options = {};
merge = exports.helpers.merge;
try {
return (parser.parse(lexer.tokenize(code))).compile(merge({}, options));
} catch (err) {
if (options.filename) {
err.message = "In " + options.filename + ", " + err.message;
}
throw err;
}
};
exports.tokens = function(code, options) {
return lexer.tokenize(code, options);
};
exports.nodes = function(source, options) {
if (typeof source === 'string') {
return parser.parse(lexer.tokenize(source, options));
} else {
return parser.parse(source);
}
};
exports.run = function(code, options) {
var mainModule;
mainModule = require.main;
mainModule.filename = process.argv[1] = options.filename ? fs.realpathSync(options.filename) : '.';
mainModule.moduleCache && (mainModule.moduleCache = {});
mainModule.paths = require('module')._nodeModulePaths(path.dirname(options.filename));
if (path.extname(mainModule.filename) !== '.coffee' || require.extensions) {
return mainModule._compile(compile(code, options), mainModule.filename);
} else {
return mainModule._compile(code, mainModule.filename);
}
};
exports.eval = function(code, options) {
var Module, Script, js, k, o, r, sandbox, v, _i, _len, _module, _ref2, _ref3, _require;
if (options == null) options = {};
if (!(code = code.trim())) return;
Script = vm.Script;
if (Script) {
if (options.sandbox != null) {
if (options.sandbox instanceof Script.createContext().constructor) {
sandbox = options.sandbox;
} else {
sandbox = Script.createContext();
_ref2 = options.sandbox;
for (k in _ref2) {
if (!__hasProp.call(_ref2, k)) continue;
v = _ref2[k];
sandbox[k] = v;
}
}
sandbox.global = sandbox.root = sandbox.GLOBAL = sandbox;
} else {
sandbox = global;
}
sandbox.__filename = options.filename || 'eval';
sandbox.__dirname = path.dirname(sandbox.__filename);
if (!(sandbox !== global || sandbox.module || sandbox.require)) {
Module = require('module');
sandbox.module = _module = new Module(options.modulename || 'eval');
sandbox.require = _require = function(path) {
return Module._load(path, _module, true);
};
_module.filename = sandbox.__filename;
_ref3 = Object.getOwnPropertyNames(require);
for (_i = 0, _len = _ref3.length; _i < _len; _i++) {
r = _ref3[_i];
if (r !== 'paths') _require[r] = require[r];
}
_require.paths = _module.paths = Module._nodeModulePaths(process.cwd());
_require.resolve = function(request) {
return Module._resolveFilename(request, _module);
};
}
}
o = {};
for (k in options) {
if (!__hasProp.call(options, k)) continue;
v = options[k];
o[k] = v;
}
o.bare = true;
js = compile(code, o);
if (sandbox === global) {
return vm.runInThisContext(js);
} else {
return vm.runInContext(js, sandbox);
}
};
lexer = new Lexer;
parser.lexer = {
lex: function() {
var tag, _ref2;
_ref2 = this.tokens[this.pos++] || [''], tag = _ref2[0], this.yytext = _ref2[1], this.yylineno = _ref2[2];
return tag;
},
setInput: function(tokens) {
this.tokens = tokens;
return this.pos = 0;
},
upcomingInput: function() {
return "";
}
};
parser.yy = require('./nodes');
}).call(this);