e518a2b203
There are cases where DeclareEvalVar can fail to create a variable, in particular when the declaration scope is not extensible. Throw an error in such cases. Fixed: chromium:1145119 Change-Id: I6260f570570c4d7801231bdb5f6724f3734444fd Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3295348 Commit-Queue: Leszek Swirski <leszeks@chromium.org> Auto-Submit: Leszek Swirski <leszeks@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/main@{#78017}
32 lines
703 B
JavaScript
32 lines
703 B
JavaScript
// Copyright 2021 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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var Debug = debug.Debug;
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let exception = null;
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function listener(event, execState, eventData, data) {
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if (event != Debug.DebugEvent.Break) return;
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try {
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execState.frame().evaluate("var a = 1").value();
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} catch (e) {
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exception = e;
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}
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}
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Debug.setListener(listener);
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function foo(arg) {
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return function() {
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// Context allocate arg.
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arg;
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debugger;
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}
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}
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foo()();
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assertNotNull(exception);
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assertContains(
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"Identifier 'a' cannot be declared with 'var' in current evaluation scope",
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exception.message);
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