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// Copyright 2013 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"use strict";
// This file relies on the fact that the following declarations have been made
// in runtime.js:
// var $Function = global.Function;
// ----------------------------------------------------------------------------
// TODO(wingo): Give link to specification. For now, the following diagram is
// the spec:
// http://wiki.ecmascript.org/lib/exe/fetch.php?cache=cache&media=harmony:es6_generator_object_model_3-29-13.png
function GeneratorObjectNext() {
if (!IS_GENERATOR(this)) {
throw MakeTypeError('incompatible_method_receiver',
['[Generator].prototype.next', this]);
}
return %_GeneratorSend(this, void 0);
}
function GeneratorObjectSend(value) {
if (!IS_GENERATOR(this)) {
throw MakeTypeError('incompatible_method_receiver',
['[Generator].prototype.send', this]);
}
return %_GeneratorSend(this, value);
}
function GeneratorObjectThrow(exn) {
if (!IS_GENERATOR(this)) {
throw MakeTypeError('incompatible_method_receiver',
['[Generator].prototype.throw', this]);
}
return %_GeneratorThrow(this, exn);
}
function SetUpGenerators() {
%CheckIsBootstrapping();
var GeneratorObjectPrototype = GeneratorFunctionPrototype.prototype;
InstallFunctions(GeneratorObjectPrototype,
DONT_ENUM | DONT_DELETE | READ_ONLY,
["next", GeneratorObjectNext,
"send", GeneratorObjectSend,
"throw", GeneratorObjectThrow]);
%SetProperty(GeneratorObjectPrototype, "constructor",
GeneratorFunctionPrototype, DONT_ENUM | DONT_DELETE | READ_ONLY);
%SetPrototype(GeneratorFunctionPrototype, $Function.prototype);
%SetProperty(GeneratorFunctionPrototype, "constructor",
GeneratorFunction, DONT_ENUM | DONT_DELETE | READ_ONLY);
%SetPrototype(GeneratorFunction, $Function);
}
SetUpGenerators();
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