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70d1f32f56
Upgrade the bundled V8 and update code in src/ and lib/ to the new API. Notable backwards incompatible changes are the removal of the smalloc module and dropped support for CESU-8 decoding. CESU-8 support can be brought back if necessary by doing UTF-8 decoding ourselves. This commit includes https://codereview.chromium.org/1192973004 to fix a build error on python 2.6 systems. The original commit log follows: Use optparse in js2c.py for python compatibility Without this change, V8 won't build on RHEL/CentOS 6 because the distro python is too old to know about the argparse module. PR-URL: https://github.com/nodejs/io.js/pull/2022 Reviewed-By: Rod Vagg <rod@vagg.org> Reviewed-By: Trevor Norris <trev.norris@gmail.com>
96 lines
3.7 KiB
JavaScript
96 lines
3.7 KiB
JavaScript
// Copyright 2013 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --allow-natives-syntax --harmony-tostring
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// Test instantations of generators.
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// Generators shouldn't allocate stack slots. This test will abort in debug
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// mode if generators have stack slots.
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function TestContextAllocation() {
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function* g1(a, b, c) { yield 1; return [a, b, c]; }
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function* g2() { yield 1; return arguments; }
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function* g3() { yield 1; return this; }
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function* g4() { var x = 10; yield 1; return x; }
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// Temporary variable context allocation
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function* g5(l) { "use strict"; yield 1; for (let x in l) { yield x; } }
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g1();
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g2();
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g3();
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g4();
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g5(["foo"]);
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}
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TestContextAllocation();
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// Test the properties and prototype of a generator object.
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function TestGeneratorObject() {
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function* g() { yield 1; }
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var iter = g();
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assertSame(g.prototype, Object.getPrototypeOf(iter));
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assertTrue(iter instanceof g);
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assertEquals("Generator", %_ClassOf(iter));
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assertEquals("[object Generator]", String(iter));
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assertEquals([], Object.getOwnPropertyNames(iter));
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assertTrue(iter !== g());
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// g() is the same as new g().
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iter = new g();
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assertSame(g.prototype, Object.getPrototypeOf(iter));
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assertTrue(iter instanceof g);
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assertEquals("Generator", %_ClassOf(iter));
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assertEquals("[object Generator]", String(iter));
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assertEquals("[object Generator]", Object.prototype.toString.call(iter));
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var gf = iter.__proto__.constructor;
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assertEquals("[object GeneratorFunction]", Object.prototype.toString.call(gf));
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assertEquals([], Object.getOwnPropertyNames(iter));
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assertTrue(iter !== new g());
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}
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TestGeneratorObject();
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// Test the methods of generator objects.
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function TestGeneratorObjectMethods() {
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function* g() { yield 1; }
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var iter = g();
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function TestNonGenerator(non_generator) {
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assertThrows(function() { iter.next.call(non_generator); }, TypeError);
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assertThrows(function() { iter.next.call(non_generator, 1); }, TypeError);
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assertThrows(function() { iter.throw.call(non_generator, 1); }, TypeError);
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}
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TestNonGenerator(1);
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TestNonGenerator({});
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TestNonGenerator(function(){});
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TestNonGenerator(g);
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TestNonGenerator(g.prototype);
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}
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TestGeneratorObjectMethods();
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