f03bebc77d
R=jgruber@chromium.org, mstarzinger@chromium.org BUG=v8:5265 Review-Url: https://codereview.chromium.org/2246483002 Cr-Commit-Position: refs/heads/master@{#38621}
54 lines
1.3 KiB
JavaScript
54 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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// Flags: --expose-debug-as debug --allow-natives-syntax
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Debug = debug.Debug
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var exception = null;
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var frame_depth = 11;
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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(frame_depth, exec_state.frameCount());
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assertTrue(/\/\/ Break$/.test(exec_state.frame(0).sourceLineText()));
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assertEquals(12 - frame_depth, exec_state.frame(0).evaluate("x").value());
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if (frame_depth > 2) exec_state.prepareStep(Debug.StepAction.StepOut);
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frame_depth--;
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} catch (e) {
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exception = e;
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print(e + e.stack);
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}
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}
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function ChooseCode(f, x) {
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switch (x % 2) {
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case 0:
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%BaselineFunctionOnNextCall(f);
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break;
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case 1:
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%InterpretFunctionOnNextCall(f);
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break;
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}
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}
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function factorial(x) {
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ChooseCode(factorial, x);
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if (x == 1) {
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debugger; // Break
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return 1;
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}
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var factor = factorial(x - 1);
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return x * factor; // Break
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}
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Debug.setListener(listener);
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assertEquals(3628800, factorial(10));
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Debug.setListener(null);
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assertNull(exception);
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assertEquals(1, frame_depth);
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