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nodejs/lib/vm.js
Ben Noordhuis 21130c7d6f lib: turn on strict mode
Turn on strict mode for the files in the lib/ directory.  It helps
catch bugs and can have a positive effect on performance.

PR-URL: https://github.com/node-forward/node/pull/64
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Fedor Indutny <fedor@indutny.com>
2014-11-22 17:23:30 +01:00

80 lines
2.7 KiB
JavaScript

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
var binding = process.binding('contextify');
var Script = binding.ContextifyScript;
var util = require('util');
// The binding provides a few useful primitives:
// - ContextifyScript(code, { filename = "evalmachine.anonymous",
// displayErrors = true } = {})
// with methods:
// - runInThisContext({ displayErrors = true } = {})
// - runInContext(sandbox, { displayErrors = true, timeout = undefined } = {})
// - makeContext(sandbox)
// - isContext(sandbox)
// From this we build the entire documented API.
Script.prototype.runInNewContext = function(sandbox, options) {
var context = exports.createContext(sandbox);
return this.runInContext(context, options);
};
exports.Script = Script;
exports.createScript = function(code, options) {
return new Script(code, options);
};
exports.createContext = function(sandbox) {
if (util.isUndefined(sandbox)) {
sandbox = {};
} else if (binding.isContext(sandbox)) {
return sandbox;
}
binding.makeContext(sandbox);
return sandbox;
};
exports.runInDebugContext = function(code) {
return binding.runInDebugContext(code);
};
exports.runInContext = function(code, contextifiedSandbox, options) {
var script = new Script(code, options);
return script.runInContext(contextifiedSandbox, options);
};
exports.runInNewContext = function(code, sandbox, options) {
var script = new Script(code, options);
return script.runInNewContext(sandbox, options);
};
exports.runInThisContext = function(code, options) {
var script = new Script(code, options);
return script.runInThisContext(options);
};
exports.isContext = binding.isContext;