fd781bcc84
The parser reads one character beyond EOF to have an additional source position that the rewriter can use to insert the implicit return statement at the end of a script. If we break at that return statement, we need to be able to translate the source position to line and column number. R=jkummerow@chromium.org BUG=chromium:569514 LOG=N Committed: https://crrev.com/0b1076a68e1eadba260cec8afc5acec618561c28 Cr-Commit-Position: refs/heads/master@{#32825} Review URL: https://codereview.chromium.org/1521953003 Cr-Commit-Position: refs/heads/master@{#32835}
22 lines
639 B
JavaScript
22 lines
639 B
JavaScript
// Copyright 2015 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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// Flags: --expose-debug-as debug --allow-natives-syntax
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var Debug = debug.Debug;
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var expected = ["debugger;", "", "debugger;"];
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function listener(event, exec_state, event_data, data) {
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if (event != Debug.DebugEvent.Break) return;
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try {
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assertEquals(expected.shift(), exec_state.frame(0).sourceLineText());
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exec_state.prepareStep(Debug.StepAction.StepNext, 1);
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} catch (e) {
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%AbortJS(e + "\n" + e.stack);
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}
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}
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Debug.setListener(listener);
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debugger;
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