653a9e2bd3
If protocol client needs to make step-into async call: - pause before async call using any Debugger agent capabilities, - call Debugger.stepInto with breakOnAsyncCall flag, - wait for Debugger.paused event, this event will contain asyncCallStackTrace if async call is scheduled, - call Debugger.pauseOnAsyncCall on each known target, - resume execution in current debugger by Debugger.resume. Bug: chromium:778796 Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel Change-Id: I40c56278e7b1ceafc3bf81608b8ca6716c2b3168 Reviewed-on: https://chromium-review.googlesource.com/773573 Commit-Queue: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org> Reviewed-by: Dmitry Gozman <dgozman@chromium.org> Cr-Commit-Position: refs/heads/master@{#49594}
108 lines
3.7 KiB
JavaScript
108 lines
3.7 KiB
JavaScript
// Copyright 2017 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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InspectorTest.log('Test for step-into remote async task');
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let contextGroup1 = new InspectorTest.ContextGroup();
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let session1 = contextGroup1.connect();
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let Protocol1 = session1.Protocol;
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let contextGroup2 = new InspectorTest.ContextGroup();
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let session2 = contextGroup2.connect();
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let Protocol2 = session2.Protocol;
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let utilsScript = `
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function store(description) {
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let buffer = inspector.storeCurrentStackTrace(description);
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return '[' + new Int32Array(buffer).join(',') + ']';
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}
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//# sourceURL=utils.js`;
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contextGroup1.addScript(utilsScript);
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contextGroup2.addScript(utilsScript);
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let frameworkScript = `
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function call(id, f) {
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inspector.externalAsyncTaskStarted(Int32Array.from(JSON.parse(id)).buffer);
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f();
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inspector.externalAsyncTaskFinished(Int32Array.from(JSON.parse(id)).buffer);
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}
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//# sourceURL=framework.js`;
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contextGroup1.addScript(frameworkScript);
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contextGroup2.addScript(frameworkScript);
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session1.setupScriptMap();
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session2.setupScriptMap();
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(async function test() {
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InspectorTest.log('Setup debugger agents..');
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let debuggerId1 = (await Protocol1.Debugger.enable()).result.debuggerId;
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let debuggerId2 = (await Protocol2.Debugger.enable()).result.debuggerId;
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Protocol1.Debugger.setAsyncCallStackDepth({maxDepth: 128});
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Protocol2.Debugger.setAsyncCallStackDepth({maxDepth: 128});
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Protocol1.Debugger.setBlackboxPatterns({patterns: ['framework\.js']});
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Protocol2.Debugger.setBlackboxPatterns({patterns: ['framework\.js']});
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InspectorTest.log('Pause before stack trace is captured..');
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Protocol1.Debugger.setBreakpointByUrl(
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{lineNumber: 2, columnNumber: 25, url: 'utils.js'});
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let evaluatePromise = Protocol1.Runtime.evaluate({
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expression: `(function foo() {
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return store('remote-task');
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})()
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//# sourceURL=source.js`
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});
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await Protocol1.Debugger.oncePaused();
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InspectorTest.log('Run stepInto with breakOnAsyncCall flag');
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Protocol1.Debugger.stepInto({breakOnAsyncCall: true});
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let {params: {asyncCallStackTraceId}} = await Protocol1.Debugger.oncePaused();
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InspectorTest.log('Call pauseOnAsyncCall');
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Protocol2.Debugger.pauseOnAsyncCall({
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parentStackTraceId: asyncCallStackTraceId,
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});
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Protocol1.Debugger.resume();
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InspectorTest.log('Trigger external async task on another context group');
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let stackTraceId = (await evaluatePromise).result.result.value;
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Protocol2.Runtime.evaluate({
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expression: `call('${stackTraceId}',
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function boo() {})
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//# sourceURL=target.js`
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});
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InspectorTest.log('Dump stack trace');
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let {params: {callFrames, asyncStackTraceId}} =
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await Protocol2.Debugger.oncePaused();
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let debuggers = new Map(
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[[debuggerId1, Protocol1.Debugger], [debuggerId2, Protocol2.Debugger]]);
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let sessions = new Map([[debuggerId1, session1], [debuggerId2, session2]]);
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let currentDebuggerId = debuggerId1;
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while (true) {
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sessions.get(currentDebuggerId).logCallFrames(callFrames);
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if (asyncStackTraceId) {
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currentDebuggerId = asyncStackTraceId.debuggerId;
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let {result: {stackTrace}} =
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await debuggers.get(currentDebuggerId).getStackTrace({
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stackTraceId: asyncStackTraceId
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});
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InspectorTest.log(`-- ${stackTrace.description} --`);
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callFrames = stackTrace.callFrames;
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asyncStackTraceId = stackTrace.parentId;
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} else {
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break;
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}
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}
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Protocol1.Debugger.setAsyncCallStackDepth({maxDepth: 0});
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Protocol2.Debugger.setAsyncCallStackDepth({maxDepth: 0});
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await Protocol1.Debugger.disable();
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await Protocol2.Debugger.disable();
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InspectorTest.completeTest();
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})()
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