21cb110547
This adds partial support of exports to the runtime system and to the interpreter. It introduces a new HeapObject JSModule that maps each of the module's export names to a Cell containing the exported value. Several aspects of this implementation are subject to change in follow-up CLs. BUG=v8:1569 Committed: https://crrev.com/241a0412eed919395a2e163b30b9b66071ce5c17 Review-Url: https://codereview.chromium.org/2302783002 Cr-Original-Commit-Position: refs/heads/master@{#39341} Cr-Commit-Position: refs/heads/master@{#39352}
56 lines
1.3 KiB
JavaScript
56 lines
1.3 KiB
JavaScript
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// MODULE
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export var myvar = "VAR";
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assertEquals("VAR", myvar);
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assertEquals("VAR", eval("myvar"));
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(() => assertEquals("VAR", myvar))();
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export let mylet = "LET";
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assertEquals("LET", mylet);
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assertEquals("LET", eval("mylet"));
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(() => assertEquals("LET", mylet))();
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export const myconst = "CONST";
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assertEquals("CONST", myconst);
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assertEquals("CONST", eval("myconst"));
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(() => assertEquals("CONST", myconst))();
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myvar = 1;
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assertEquals(1, myvar);
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assertEquals(1, eval("myvar"));
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(() => assertEquals(1, myvar))();
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(() => myvar = 2)();
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assertEquals(2, myvar);
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(() => assertEquals(2, myvar))();
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{
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let f = () => assertEquals(2, myvar);
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f();
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}
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mylet = 1;
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assertEquals(1, mylet);
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assertEquals(1, eval("mylet"));
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(() => assertEquals(1, mylet))();
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(() => mylet = 2)();
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assertEquals(2, mylet);
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assertEquals(2, eval("mylet"));
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(() => assertEquals(2, mylet))();
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{
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let f = () => assertEquals(2, mylet);
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f();
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}
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assertThrows(() => myconst = 1, TypeError);
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assertEquals("CONST", myconst);
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assertEquals("CONST", eval("myconst"));
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(() => assertEquals("CONST", myconst))();
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{
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let f = () => assertEquals("CONST", myconst);
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f();
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}
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