forked from jashkenas/coffeescript
/
coffee-script.js
148 lines (148 loc) · 4.76 KB
/
coffee-script.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
(function() {
var EventEmitter, Lexer, RESERVED, compile, fs, helpers, lexer, parser, path, _ref;
var __hasProp = Object.prototype.hasOwnProperty;
fs = require('fs');
path = require('path');
_ref = require('./lexer'), Lexer = _ref.Lexer, RESERVED = _ref.RESERVED;
parser = require('./parser').parser;
EventEmitter = require('events').EventEmitter;
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 = '1.1.3-pre';
exports.RESERVED = RESERVED;
exports.helpers = helpers = require('./helpers');
helpers.extend(exports, new EventEmitter);
exports.listeners();
exports.compile = compile = function(input, options) {
var output;
if (options == null) options = {};
exports.emit('compile', {
input: input,
options: options
});
try {
output = (parser.parse(lexer.tokenize(input))).compile(options);
exports.emit('success', {
input: input,
options: options
});
return output;
} catch (err) {
if (options.filename) {
err.message = "In " + options.filename + ", " + err.message;
}
exports.emit('failure', {
input: input,
options: options,
err: err
});
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 Module, mainModule;
mainModule = require.main;
mainModule.filename = process.argv[1] = options.filename ? fs.realpathSync(options.filename) : '.';
mainModule.moduleCache && (mainModule.moduleCache = {});
if (process.binding('natives').module) {
Module = require('module').Module;
mainModule.paths = 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 = require('vm').Script;
if (Script) {
sandbox = Script.createContext();
sandbox.global = sandbox.root = sandbox.GLOBAL = sandbox;
if (options.sandbox != null) {
if (options.sandbox instanceof sandbox.constructor) {
sandbox = options.sandbox;
} else {
_ref2 = options.sandbox;
for (k in _ref2) {
if (!__hasProp.call(_ref2, k)) continue;
v = _ref2[k];
sandbox[k] = v;
}
}
}
sandbox.__filename = options.filename || 'eval';
sandbox.__dirname = path.dirname(sandbox.__filename);
if (!(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);
};
_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 (Script) {
return Script.runInContext(js, sandbox);
} else {
return eval(js);
}
};
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);