9113402b53
R=rossberg@chromium.org BUG=v8:4807 LOG=N Committed: https://crrev.com/ee98147ea0d994bcfb0d14d43f490ee828d2426f Cr-Commit-Position: refs/heads/master@{#34531} Review URL: https://codereview.chromium.org/1768973002 Cr-Commit-Position: refs/heads/master@{#34540}
75 lines
1.8 KiB
JavaScript
75 lines
1.8 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
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// Test we break at every assignment in a var-statement with multiple
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// variable declarations.
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var exception = null;
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var log = []
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function f() {
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var l1 = 1, // l
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l2, // m
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l3 = 3; // n
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let l4, // o
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l5 = 5, // p
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l6 = 6; // q
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const l7 = 7, // r
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l8 = 8, // s
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l9 = 9; // t
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return 0; // u
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} // v
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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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var line = exec_state.frame(0).sourceLineText();
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var col = exec_state.frame(0).sourceColumn();
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print(line);
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var match = line.match(/\/\/ (\w)$/);
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assertEquals(2, match.length);
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log.push(match[1] + col);
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if (match[1] != "v") {
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exec_state.prepareStep(Debug.StepAction.StepIn);
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}
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} catch (e) {
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exception = e;
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}
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}
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var Debug = debug.Debug;
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Debug.setListener(listener);
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debugger; // a
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var g1 = 1, // b
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g2 = 2, // c
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g3; // d
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let g4 = 4, // e
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g5, // f
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g6 = 6; // g
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const g7 = 7, // h
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g8 = 8, // i
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g9 = f(); // j
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Debug.setListener(null);
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assertNull(exception);
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// Note that let declarations, if not explicitly initialized, implicitly
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// initialize to undefined.
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var expected = [
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"a0", // debugger statement
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"b9","c9", // global var
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"e9","f4","g9", // global let
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"h11","i11","j11", // global const
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"l11","n11", // local var
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"o6","p11","q11", // local let
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"r13","s13","t13", // local const
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"u2","v0", // return
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];
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assertEquals(expected, log);
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