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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>
116 lines
8.0 KiB
JavaScript
116 lines
8.0 KiB
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
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// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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//
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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
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// are met:
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// 1. 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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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY 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 OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --harmony-sloppy
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description('Tests for ES6 class name semantics in class statements and expressions');
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function runTestShouldBe(statement, result) {
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shouldBe(statement, result);
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shouldBe("'use strict'; " + statement, result);
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}
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function runTestShouldBeTrue(statement) {
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shouldBeTrue(statement);
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shouldBeTrue("'use strict'; " + statement);
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}
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function runTestShouldThrow(statement) {
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shouldThrow(statement);
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shouldThrow("'use strict'; " + statement);
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}
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function runTestShouldNotThrow(statement) {
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shouldNotThrow(statement);
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shouldNotThrow("'use strict'; " + statement);
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}
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// Class statement. Class name added to global scope. Class name is available inside class scope and in global scope.
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debug('Class statement');
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runTestShouldThrow("A");
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runTestShouldThrow("class {}");
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runTestShouldThrow("class { constructor() {} }");
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runTestShouldNotThrow("class A { constructor() {} }");
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runTestShouldBe("class A { constructor() {} }; A.toString()", "'class A { constructor() {} }'");
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runTestShouldBeTrue("class A { constructor() {} }; (new A) instanceof A");
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runTestShouldBe("class A { constructor() { this.base = A; } }; (new A).base.toString()", "'class A { constructor() { this.base = A; } }'");
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runTestShouldNotThrow("class A { constructor() {} }; class B extends A {};");
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runTestShouldBe("class A { constructor() {} }; class B extends A { constructor() {} }; B.toString()", "'class B extends A { constructor() {} }'");
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runTestShouldBeTrue("class A { constructor() {} }; class B extends A {}; (new B) instanceof A");
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runTestShouldBeTrue("class A { constructor() {} }; class B extends A {}; (new B) instanceof B");
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runTestShouldBe("class A { constructor() {} }; class B extends A { constructor() { super(); this.base = A; this.derived = B; } }; (new B).base.toString()", "'class A { constructor() {} }'");
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runTestShouldBe("class A { constructor() {} }; class B extends A { constructor() { super(); this.base = A; this.derived = B; } }; (new B).derived.toString()", "'class B extends A { constructor() { super(); this.base = A; this.derived = B; } }'");
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// Class expression. Class name not added to scope. Class name is available inside class scope.
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debug(''); debug('Class expression');
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runTestShouldThrow("A");
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runTestShouldNotThrow("(class {})");
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runTestShouldNotThrow("(class { constructor(){} })");
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runTestShouldBe("typeof (class {})", '"function"');
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runTestShouldNotThrow("(class A {})");
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runTestShouldBe("typeof (class A {})", '"function"');
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runTestShouldThrow("(class A {}); A");
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runTestShouldNotThrow("new (class A {})");
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runTestShouldBe("typeof (new (class A {}))", '"object"');
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runTestShouldNotThrow("(new (class A { constructor() { this.base = A; } })).base");
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runTestShouldBe("(new (class A { constructor() { this.base = A; } })).base.toString()", '"class A { constructor() { this.base = A; } }"');
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runTestShouldNotThrow("class A {}; (class B extends A {})");
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runTestShouldThrow("class A {}; (class B extends A {}); B");
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runTestShouldNotThrow("class A {}; new (class B extends A {})");
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runTestShouldNotThrow("class A {}; new (class B extends A { constructor() { super(); this.base = A; this.derived = B; } })");
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runTestShouldBeTrue("class A {}; (new (class B extends A { constructor() { super(); this.base = A; this.derived = B; } })) instanceof A");
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runTestShouldBe("class A { constructor() {} }; (new (class B extends A { constructor() { super(); this.base = A; this.derived = B; } })).base.toString()", "'class A { constructor() {} }'");
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runTestShouldBe("class A { constructor() {} }; (new (class B extends A { constructor() { super(); this.base = A; this.derived = B; } })).derived.toString()", "'class B extends A { constructor() { super(); this.base = A; this.derived = B; } }'");
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// Assignment of a class expression to a variable. Variable name available in scope, class name is not. Class name is available inside class scope.
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debug(''); debug('Class expression assignment to variable');
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runTestShouldThrow("A");
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runTestShouldNotThrow("var VarA = class {}");
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runTestShouldBe("var VarA = class { constructor() {} }; VarA.toString()", "'class { constructor() {} }'");
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runTestShouldThrow("VarA");
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runTestShouldNotThrow("var VarA = class A { constructor() {} }");
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runTestShouldBe("var VarA = class A { constructor() {} }; VarA.toString()", "'class A { constructor() {} }'");
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runTestShouldThrow("var VarA = class A { constructor() {} }; A.toString()");
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runTestShouldBeTrue("var VarA = class A { constructor() {} }; (new VarA) instanceof VarA");
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runTestShouldBe("var VarA = class A { constructor() { this.base = A; } }; (new VarA).base.toString()", "'class A { constructor() { this.base = A; } }'");
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runTestShouldNotThrow("var VarA = class A { constructor() {} }; var VarB = class B extends VarA { constructor() {} };");
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runTestShouldThrow("var VarA = class A { constructor() {} }; var VarB = class B extends VarA { constructor() {} }; B");
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runTestShouldBe("var VarA = class A { constructor() {} }; var VarB = class B extends VarA { constructor() {} }; VarB.toString()", "'class B extends VarA { constructor() {} }'");
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runTestShouldBeTrue("var VarA = class A { constructor() {} }; var VarB = class B extends VarA { }; (new VarB) instanceof VarA");
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runTestShouldBeTrue("var VarA = class A { constructor() {} }; var VarB = class B extends VarA { }; (new VarB) instanceof VarB");
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runTestShouldBeTrue("var VarA = class A { constructor() {} }; var VarB = class B extends VarA { constructor() { super(); this.base = VarA; this.derived = B; this.derivedVar = VarB; } }; (new VarB).base === VarA");
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runTestShouldBeTrue("var VarA = class A { constructor() {} }; var VarB = class B extends VarA { constructor() { super(); this.base = VarA; this.derived = B; this.derivedVar = VarB; } }; (new VarB).derived === VarB");
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runTestShouldBeTrue("var VarA = class A { constructor() {} }; var VarB = class B extends VarA { constructor() { super(); this.base = VarA; this.derived = B; this.derivedVar = VarB; } }; (new VarB).derivedVar === VarB");
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// FIXME: Class statement binding should be like `let`, not `var`.
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debug(''); debug('Class statement binding in other circumstances');
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runTestShouldThrow("var result = A; result");
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runTestShouldThrow("var result = A; class A {}; result");
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runTestShouldThrow("class A { constructor() { A = 1; } }; new A");
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runTestShouldBe("class A { constructor() { } }; A = 1; A", "1");
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runTestShouldNotThrow("class A {}; var result = A; result");
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shouldBe("eval('var Foo = 10'); Foo", "10");
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shouldThrow("'use strict'; eval('var Foo = 10'); Foo");
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shouldBe("eval('class Bar { constructor() {} }'); Bar.toString()", "'class Bar { constructor() {} }'");
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shouldThrow("'use strict'; eval('class Bar { constructor() {} }'); Bar.toString()");
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