jashkenas--coffeescript/lib/coffee-script/coffee-script.js

(function() {
  var Lexer, compile, ext, extensions, fs, lexer, loadFile, parser, path, vm, _i, _len,
    __indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; },
    __hasProp = {}.hasOwnProperty;

  fs = require('fs');

  path = require('path');

  Lexer = require('./lexer').Lexer;

  parser = require('./parser').parser;

  vm = require('vm');

  extensions = ['.coffee', '.litcoffee'];

  loadFile = function(module, filename) {
    var raw, stripped;
    raw = fs.readFileSync(filename, 'utf8');
    stripped = raw.charCodeAt(0) === 0xFEFF ? raw.substring(1) : raw;
    return module._compile(compile(stripped, {
      filename: filename
    }), filename);
  };

  if (require.extensions) {
    for (_i = 0, _len = extensions.length; _i < _len; _i++) {
      ext = extensions[_i];
      require.extensions[ext] = loadFile;
    }
  }

  exports.VERSION = '1.5.0-pre';

  exports.helpers = require('./helpers');

  exports.compile = compile = function(code, options) {
    var footer, js, merge;
    if (options == null) {
      options = {};
    }
    merge = exports.helpers.merge;
    try {
      js = (parser.parse(lexer.tokenize(code, options))).compile(options);
      if (!options.header) {
        return js;
      }
    } catch (err) {
      if (options.filename) {
        err.message = "In " + options.filename + ", " + err.message;
      }
      throw err;
    }
    footer = "Generated by CoffeeScript " + this.VERSION;
    return "" + js + "\n// " + footer + "\n";
  };

  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, _ref;
    if (options == null) {
      options = {};
    }
    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(fs.realpathSync(options.filename)));
    if ((_ref = path.extname(mainModule.filename), __indexOf.call(extensions, _ref) < 0) || 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, _j, _len1, _module, _ref, _ref1, _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();
          _ref = options.sandbox;
          for (k in _ref) {
            if (!__hasProp.call(_ref, k)) continue;
            v = _ref[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;
        _ref1 = Object.getOwnPropertyNames(require);
        for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
          r = _ref1[_j];
          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, token;
      token = this.tokens[this.pos++];
      if (token) {
        tag = token[0], this.yytext = token[1], this.yylloc = token[2];
        this.yylineno = this.yylloc.first_line;
      } else {
        tag = '';
      }
      return tag;
    },
    setInput: function(tokens) {
      this.tokens = tokens;
      return this.pos = 0;
    },
    upcomingInput: function() {
      return "";
    }
  };

  parser.yy = require('./nodes');

}).call(this);

// Generated by CoffeeScript 1.5.0-pre