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2cc2951796
Pick up the latest branch-head for V8 5.1. This branch brings in improved language support and performance improvements. For full details: http://v8project.blogspot.com/2016/04/v8-release-51.html * Picks up the latest branch head for 5.1 [1] * Edit v8 gitignore to allow trace_event copy * Update V8 DEP trace_event as per deps/v8/DEPS [2] [1] https://chromium.googlesource.com/v8/v8.git/+/dc81244 [2] https://chromium.googlesource.com/chromium/src/base/trace_event/common/+/c8c8665 PR-URL: https://github.com/nodejs/node/pull/7016 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
47 lines
1.0 KiB
JavaScript
47 lines
1.0 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 --harmony-tailcalls
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"use strict";
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var Debug = debug.Debug
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var exception = null;
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var breaks = 0;
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function f(x) {
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if (x > 0) { // B3 B5 B7 B9
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return f(x - 1); // B4 B6 B8
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}
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} // B10
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function g(x) {
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return f(x); // B2
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}
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function h(x) {
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debugger; // B0
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g(x); // B1
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} // B11
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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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print(event_data.sourceLineText());
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assertTrue(event_data.sourceLineText().indexOf(`B${breaks++}`) > 0);
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exec_state.prepareStep(Debug.StepAction.StepIn);
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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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h(3);
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Debug.setListener(null); // B12
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assertNull(exception);
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assertEquals(13, breaks);
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