aac25548c2
This cl extends profview to 1. Show Turboprop ticks in a different color in timeline panel 2. In summary panel, show Turboprop optimizations and TurboFan optimizations as two different entries 3. Fix deopts in summary panel after the rename to deopts 4. Also show information about bailouts (happen only with Turboprop) Bug: v8:9684 Change-Id: I028b12a55741c789ecc1d212d1517a57496379dc Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2573477 Commit-Queue: Mythri Alle <mythria@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Camillo Bruni <cbruni@chromium.org> Cr-Commit-Position: refs/heads/master@{#71638}
1538 lines
47 KiB
JavaScript
1538 lines
47 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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"use strict"
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function $(id) {
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return document.getElementById(id);
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}
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function removeAllChildren(element) {
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while (element.firstChild) {
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element.removeChild(element.firstChild);
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}
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}
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let components;
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function createViews() {
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components = [
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new CallTreeView(),
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new TimelineView(),
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new HelpView(),
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new SummaryView(),
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new ModeBarView(),
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new ScriptSourceView(),
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];
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}
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function emptyState() {
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return {
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file : null,
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mode : null,
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currentCodeId : null,
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viewingSource: false,
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start : 0,
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end : Infinity,
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timelineSize : {
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width : 0,
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height : 0
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},
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callTree : {
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attribution : "js-exclude-bc",
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categories : "code-type",
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sort : "time"
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},
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sourceData: null
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};
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}
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function setCallTreeState(state, callTreeState) {
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state = Object.assign({}, state);
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state.callTree = callTreeState;
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return state;
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}
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let main = {
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currentState : emptyState(),
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renderPending : false,
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setMode(mode) {
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if (mode !== main.currentState.mode) {
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function setCallTreeModifiers(attribution, categories, sort) {
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let callTreeState = Object.assign({}, main.currentState.callTree);
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callTreeState.attribution = attribution;
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callTreeState.categories = categories;
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callTreeState.sort = sort;
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return callTreeState;
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}
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let state = Object.assign({}, main.currentState);
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switch (mode) {
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case "bottom-up":
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state.callTree =
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setCallTreeModifiers("js-exclude-bc", "code-type", "time");
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break;
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case "top-down":
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state.callTree =
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setCallTreeModifiers("js-exclude-bc", "none", "time");
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break;
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case "function-list":
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state.callTree =
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setCallTreeModifiers("js-exclude-bc", "code-type", "own-time");
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break;
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}
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state.mode = mode;
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main.currentState = state;
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main.delayRender();
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}
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},
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setCallTreeAttribution(attribution) {
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if (attribution !== main.currentState.attribution) {
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let callTreeState = Object.assign({}, main.currentState.callTree);
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callTreeState.attribution = attribution;
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main.currentState = setCallTreeState(main.currentState, callTreeState);
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main.delayRender();
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}
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},
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setCallTreeSort(sort) {
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if (sort !== main.currentState.sort) {
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let callTreeState = Object.assign({}, main.currentState.callTree);
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callTreeState.sort = sort;
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main.currentState = setCallTreeState(main.currentState, callTreeState);
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main.delayRender();
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}
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},
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setCallTreeCategories(categories) {
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if (categories !== main.currentState.categories) {
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let callTreeState = Object.assign({}, main.currentState.callTree);
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callTreeState.categories = categories;
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main.currentState = setCallTreeState(main.currentState, callTreeState);
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main.delayRender();
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}
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},
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setViewInterval(start, end) {
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if (start !== main.currentState.start ||
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end !== main.currentState.end) {
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main.currentState = Object.assign({}, main.currentState);
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main.currentState.start = start;
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main.currentState.end = end;
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main.delayRender();
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}
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},
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updateSources(file) {
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let statusDiv = $("source-status");
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if (!file) {
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statusDiv.textContent = "";
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return;
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}
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if (!file.scripts || file.scripts.length === 0) {
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statusDiv.textContent =
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"Script source not available. Run profiler with --log-source-code.";
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return;
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}
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statusDiv.textContent = "Script source is available.";
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main.currentState.sourceData = new SourceData(file);
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},
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setFile(file) {
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if (file !== main.currentState.file) {
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let lastMode = main.currentState.mode || "summary";
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main.currentState = emptyState();
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main.currentState.file = file;
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main.updateSources(file);
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main.setMode(lastMode);
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main.delayRender();
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}
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},
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setCurrentCode(codeId) {
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if (codeId !== main.currentState.currentCodeId) {
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main.currentState = Object.assign({}, main.currentState);
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main.currentState.currentCodeId = codeId;
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main.delayRender();
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}
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},
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setViewingSource(value) {
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if (main.currentState.viewingSource !== value) {
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main.currentState = Object.assign({}, main.currentState);
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main.currentState.viewingSource = value;
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main.delayRender();
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}
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},
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onResize() {
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main.delayRender();
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},
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onLoad() {
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function loadHandler(evt) {
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let f = evt.target.files[0];
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if (f) {
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let reader = new FileReader();
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reader.onload = function(event) {
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main.setFile(JSON.parse(event.target.result));
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};
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reader.onerror = function(event) {
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console.error(
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"File could not be read! Code " + event.target.error.code);
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};
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reader.readAsText(f);
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} else {
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main.setFile(null);
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}
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}
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$("fileinput").addEventListener(
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"change", loadHandler, false);
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createViews();
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},
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delayRender() {
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if (main.renderPending) return;
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main.renderPending = true;
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window.requestAnimationFrame(() => {
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main.renderPending = false;
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for (let c of components) {
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c.render(main.currentState);
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}
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});
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}
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};
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const CATEGORY_COLOR = "#f5f5f5";
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const bucketDescriptors =
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[ { kinds : [ "JSOPT" ],
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color : "#64dd17",
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backgroundColor : "#80e27e",
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text : "JS Optimized" },
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{ kinds : [ "JSNCI" ],
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color : "#3289a8",
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backgroundColor : "#3289a8",
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text : "JS NCI" },
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{ kinds : [ "JSTURBOPROP" ],
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color : "#693eb8",
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backgroundColor : "#a6c452",
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text : "JS Turboprop" },
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{ kinds : [ "JSUNOPT", "BC" ],
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color : "#dd2c00",
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backgroundColor : "#ff9e80",
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text : "JS Unoptimized" },
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{ kinds : [ "IC" ],
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color : "#ff6d00",
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backgroundColor : "#ffab40",
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text : "IC" },
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{ kinds : [ "STUB", "BUILTIN", "REGEXP" ],
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color : "#ffd600",
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backgroundColor : "#ffea00",
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text : "Other generated" },
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{ kinds : [ "CPP", "LIB" ],
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color : "#304ffe",
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backgroundColor : "#6ab7ff",
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text : "C++" },
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{ kinds : [ "CPPEXT" ],
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color : "#003c8f",
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backgroundColor : "#c0cfff",
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text : "C++/external" },
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{ kinds : [ "CPPPARSE" ],
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color : "#aa00ff",
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backgroundColor : "#ffb2ff",
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text : "C++/Parser" },
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{ kinds : [ "CPPCOMPBC" ],
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color : "#43a047",
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backgroundColor : "#88c399",
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text : "C++/Bytecode compiler" },
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{ kinds : [ "CPPCOMP" ],
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color : "#00e5ff",
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backgroundColor : "#6effff",
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text : "C++/Compiler" },
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{ kinds : [ "CPPGC" ],
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color : "#6200ea",
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backgroundColor : "#e1bee7",
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text : "C++/GC" },
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{ kinds : [ "UNKNOWN" ],
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color : "#bdbdbd",
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backgroundColor : "#efefef",
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text : "Unknown" }
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];
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let kindToBucketDescriptor = {};
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for (let i = 0; i < bucketDescriptors.length; i++) {
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let bucket = bucketDescriptors[i];
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for (let j = 0; j < bucket.kinds.length; j++) {
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kindToBucketDescriptor[bucket.kinds[j]] = bucket;
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}
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}
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function bucketFromKind(kind) {
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for (let i = 0; i < bucketDescriptors.length; i++) {
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let bucket = bucketDescriptors[i];
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for (let j = 0; j < bucket.kinds.length; j++) {
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if (bucket.kinds[j] === kind) {
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return bucket;
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}
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}
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}
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return null;
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}
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function codeTypeToText(type) {
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switch (type) {
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case "UNKNOWN":
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return "Unknown";
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case "CPPPARSE":
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return "C++ Parser";
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case "CPPCOMPBC":
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return "C++ Bytecode Compiler)";
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case "CPPCOMP":
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return "C++ Compiler";
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case "CPPGC":
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return "C++ GC";
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case "CPPEXT":
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return "C++ External";
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case "CPP":
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return "C++";
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case "LIB":
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return "Library";
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case "IC":
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return "IC";
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case "BC":
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return "Bytecode";
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case "STUB":
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return "Stub";
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case "BUILTIN":
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return "Builtin";
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case "REGEXP":
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return "RegExp";
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case "JSOPT":
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return "JS opt";
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case "JSNCI":
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return "JS NCI";
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case "JSTURBOPROP":
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return "JS Turboprop";
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case "JSUNOPT":
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return "JS unopt";
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}
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console.error("Unknown type: " + type);
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}
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function createTypeNode(type) {
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if (type === "CAT") {
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return document.createTextNode("");
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}
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let span = document.createElement("span");
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span.classList.add("code-type-chip");
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span.textContent = codeTypeToText(type);
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return span;
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}
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function filterFromFilterId(id) {
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switch (id) {
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case "full-tree":
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return (type, kind) => true;
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case "js-funs":
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return (type, kind) => type !== 'CODE';
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case "js-exclude-bc":
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return (type, kind) =>
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type !== 'CODE' || kind !== "BytecodeHandler";
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}
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}
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function createIndentNode(indent) {
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let div = document.createElement("div");
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div.style.display = "inline-block";
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div.style.width = (indent + 0.5) + "em";
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return div;
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}
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function createArrowNode() {
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let span = document.createElement("span");
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span.classList.add("tree-row-arrow");
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return span;
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}
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function createFunctionNode(name, codeId) {
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let nameElement = document.createElement("span");
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nameElement.appendChild(document.createTextNode(name));
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nameElement.classList.add("tree-row-name");
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if (codeId !== -1) {
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nameElement.classList.add("codeid-link");
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nameElement.onclick = (event) => {
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main.setCurrentCode(codeId);
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// Prevent the click from bubbling to the row and causing it to
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// collapse/expand.
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event.stopPropagation();
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};
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}
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return nameElement;
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}
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function createViewSourceNode(codeId) {
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let linkElement = document.createElement("span");
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linkElement.appendChild(document.createTextNode("View source"));
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linkElement.classList.add("view-source-link");
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linkElement.onclick = (event) => {
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main.setCurrentCode(codeId);
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main.setViewingSource(true);
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// Prevent the click from bubbling to the row and causing it to
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// collapse/expand.
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event.stopPropagation();
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};
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return linkElement;
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}
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const COLLAPSED_ARROW = "\u25B6";
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const EXPANDED_ARROW = "\u25BC";
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class CallTreeView {
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constructor() {
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this.element = $("calltree");
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this.treeElement = $("calltree-table");
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this.selectAttribution = $("calltree-attribution");
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this.selectCategories = $("calltree-categories");
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this.selectSort = $("calltree-sort");
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this.selectAttribution.onchange = () => {
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main.setCallTreeAttribution(this.selectAttribution.value);
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};
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this.selectCategories.onchange = () => {
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main.setCallTreeCategories(this.selectCategories.value);
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};
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this.selectSort.onchange = () => {
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main.setCallTreeSort(this.selectSort.value);
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};
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this.currentState = null;
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}
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sortFromId(id) {
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switch (id) {
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case "time":
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return (c1, c2) => {
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if (c1.ticks < c2.ticks) return 1;
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else if (c1.ticks > c2.ticks) return -1;
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return c2.ownTicks - c1.ownTicks;
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};
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case "own-time":
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return (c1, c2) => {
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if (c1.ownTicks < c2.ownTicks) return 1;
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else if (c1.ownTicks > c2.ownTicks) return -1;
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return c2.ticks - c1.ticks;
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};
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case "category-time":
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return (c1, c2) => {
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if (c1.type === c2.type) return c2.ticks - c1.ticks;
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if (c1.type < c2.type) return 1;
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return -1;
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};
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case "category-own-time":
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return (c1, c2) => {
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if (c1.type === c2.type) return c2.ownTicks - c1.ownTicks;
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if (c1.type < c2.type) return 1;
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return -1;
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};
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}
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}
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expandTree(tree, indent) {
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let index = 0;
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let id = "R/";
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let row = tree.row;
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if (row) {
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index = row.rowIndex;
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id = row.id;
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tree.arrow.textContent = EXPANDED_ARROW;
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// Collapse the children when the row is clicked again.
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let expandHandler = row.onclick;
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row.onclick = () => {
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this.collapseRow(tree, expandHandler);
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}
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}
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// Collect the children, and sort them by ticks.
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let children = [];
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let filter =
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filterFromFilterId(this.currentState.callTree.attribution);
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for (let childId in tree.children) {
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let child = tree.children[childId];
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if (child.ticks > 0) {
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children.push(child);
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if (child.delayedExpansion) {
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expandTreeNode(this.currentState.file, child, filter);
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}
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}
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}
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children.sort(this.sortFromId(this.currentState.callTree.sort));
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for (let i = 0; i < children.length; i++) {
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let node = children[i];
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let row = this.rows.insertRow(index);
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row.id = id + i + "/";
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if (node.type === "CAT") {
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row.style.backgroundColor = CATEGORY_COLOR;
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} else {
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row.style.backgroundColor = bucketFromKind(node.type).backgroundColor;
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}
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// Inclusive time % cell.
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let c = row.insertCell();
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c.textContent = (node.ticks * 100 / this.tickCount).toFixed(2) + "%";
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c.style.textAlign = "right";
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// Percent-of-parent cell.
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c = row.insertCell();
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c.textContent = (node.ticks * 100 / tree.ticks).toFixed(2) + "%";
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c.style.textAlign = "right";
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// Exclusive time % cell.
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if (this.currentState.mode !== "bottom-up") {
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c = row.insertCell(-1);
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c.textContent = (node.ownTicks * 100 / this.tickCount).toFixed(2) + "%";
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c.style.textAlign = "right";
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}
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// Create the name cell.
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let nameCell = row.insertCell();
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nameCell.appendChild(createIndentNode(indent + 1));
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let arrow = createArrowNode();
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nameCell.appendChild(arrow);
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nameCell.appendChild(createTypeNode(node.type));
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nameCell.appendChild(createFunctionNode(node.name, node.codeId));
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if (main.currentState.sourceData &&
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node.codeId >= 0 &&
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main.currentState.sourceData.hasSource(
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this.currentState.file.code[node.codeId].func)) {
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nameCell.appendChild(createViewSourceNode(node.codeId));
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}
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// Inclusive ticks cell.
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c = row.insertCell();
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c.textContent = node.ticks;
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c.style.textAlign = "right";
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if (this.currentState.mode !== "bottom-up") {
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// Exclusive ticks cell.
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c = row.insertCell(-1);
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c.textContent = node.ownTicks;
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c.style.textAlign = "right";
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}
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if (node.children.length > 0) {
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arrow.textContent = COLLAPSED_ARROW;
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row.onclick = () => { this.expandTree(node, indent + 1); };
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}
|
|
|
|
node.row = row;
|
|
node.arrow = arrow;
|
|
|
|
index++;
|
|
}
|
|
}
|
|
|
|
collapseRow(tree, expandHandler) {
|
|
let row = tree.row;
|
|
let id = row.id;
|
|
let index = row.rowIndex;
|
|
while (row.rowIndex < this.rows.rows.length &&
|
|
this.rows.rows[index].id.startsWith(id)) {
|
|
this.rows.deleteRow(index);
|
|
}
|
|
|
|
tree.arrow.textContent = COLLAPSED_ARROW;
|
|
row.onclick = expandHandler;
|
|
}
|
|
|
|
fillSelects(mode, calltree) {
|
|
function addOptions(e, values, current) {
|
|
while (e.options.length > 0) {
|
|
e.remove(0);
|
|
}
|
|
for (let i = 0; i < values.length; i++) {
|
|
let option = document.createElement("option");
|
|
option.value = values[i].value;
|
|
option.textContent = values[i].text;
|
|
e.appendChild(option);
|
|
}
|
|
e.value = current;
|
|
}
|
|
|
|
let attributions = [
|
|
{ value : "js-exclude-bc",
|
|
text : "Attribute bytecode handlers to caller" },
|
|
{ value : "full-tree",
|
|
text : "Count each code object separately" },
|
|
{ value : "js-funs",
|
|
text : "Attribute non-functions to JS functions" }
|
|
];
|
|
|
|
switch (mode) {
|
|
case "bottom-up":
|
|
addOptions(this.selectAttribution, attributions, calltree.attribution);
|
|
addOptions(this.selectCategories, [
|
|
{ value : "code-type", text : "Code type" },
|
|
{ value : "none", text : "None" }
|
|
], calltree.categories);
|
|
addOptions(this.selectSort, [
|
|
{ value : "time", text : "Time (including children)" },
|
|
{ value : "category-time", text : "Code category, time" },
|
|
], calltree.sort);
|
|
return;
|
|
case "top-down":
|
|
addOptions(this.selectAttribution, attributions, calltree.attribution);
|
|
addOptions(this.selectCategories, [
|
|
{ value : "none", text : "None" },
|
|
{ value : "rt-entry", text : "Runtime entries" }
|
|
], calltree.categories);
|
|
addOptions(this.selectSort, [
|
|
{ value : "time", text : "Time (including children)" },
|
|
{ value : "own-time", text : "Own time" },
|
|
{ value : "category-time", text : "Code category, time" },
|
|
{ value : "category-own-time", text : "Code category, own time"}
|
|
], calltree.sort);
|
|
return;
|
|
case "function-list":
|
|
addOptions(this.selectAttribution, attributions, calltree.attribution);
|
|
addOptions(this.selectCategories, [
|
|
{ value : "code-type", text : "Code type" },
|
|
{ value : "none", text : "None" }
|
|
], calltree.categories);
|
|
addOptions(this.selectSort, [
|
|
{ value : "own-time", text : "Own time" },
|
|
{ value : "time", text : "Time (including children)" },
|
|
{ value : "category-own-time", text : "Code category, own time"},
|
|
{ value : "category-time", text : "Code category, time" },
|
|
], calltree.sort);
|
|
return;
|
|
}
|
|
console.error("Unexpected mode");
|
|
}
|
|
|
|
static isCallTreeMode(mode) {
|
|
switch (mode) {
|
|
case "bottom-up":
|
|
case "top-down":
|
|
case "function-list":
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
render(newState) {
|
|
let oldState = this.currentState;
|
|
if (!newState.file || !CallTreeView.isCallTreeMode(newState.mode)) {
|
|
this.element.style.display = "none";
|
|
this.currentState = null;
|
|
return;
|
|
}
|
|
|
|
this.currentState = newState;
|
|
if (oldState) {
|
|
if (newState.file === oldState.file &&
|
|
newState.start === oldState.start &&
|
|
newState.end === oldState.end &&
|
|
newState.mode === oldState.mode &&
|
|
newState.callTree.attribution === oldState.callTree.attribution &&
|
|
newState.callTree.categories === oldState.callTree.categories &&
|
|
newState.callTree.sort === oldState.callTree.sort) {
|
|
// No change => just return.
|
|
return;
|
|
}
|
|
}
|
|
|
|
this.element.style.display = "inherit";
|
|
|
|
let mode = this.currentState.mode;
|
|
if (!oldState || mode !== oldState.mode) {
|
|
// Technically, we should also call this if attribution, categories or
|
|
// sort change, but the selection is already highlighted by the combobox
|
|
// itself, so we do need to do anything here.
|
|
this.fillSelects(newState.mode, newState.callTree);
|
|
}
|
|
|
|
let ownTimeClass = (mode === "bottom-up") ? "numeric-hidden" : "numeric";
|
|
let ownTimeTh = $(this.treeElement.id + "-own-time-header");
|
|
ownTimeTh.classList = ownTimeClass;
|
|
let ownTicksTh = $(this.treeElement.id + "-own-ticks-header");
|
|
ownTicksTh.classList = ownTimeClass;
|
|
|
|
// Build the tree.
|
|
let stackProcessor;
|
|
let filter = filterFromFilterId(this.currentState.callTree.attribution);
|
|
if (mode === "top-down") {
|
|
if (this.currentState.callTree.categories === "rt-entry") {
|
|
stackProcessor =
|
|
new RuntimeCallTreeProcessor();
|
|
} else {
|
|
stackProcessor =
|
|
new PlainCallTreeProcessor(filter, false);
|
|
}
|
|
} else if (mode === "function-list") {
|
|
stackProcessor = new FunctionListTree(
|
|
filter, this.currentState.callTree.categories === "code-type");
|
|
|
|
} else {
|
|
console.assert(mode === "bottom-up");
|
|
if (this.currentState.callTree.categories === "none") {
|
|
stackProcessor =
|
|
new PlainCallTreeProcessor(filter, true);
|
|
} else {
|
|
console.assert(this.currentState.callTree.categories === "code-type");
|
|
stackProcessor =
|
|
new CategorizedCallTreeProcessor(filter, true);
|
|
}
|
|
}
|
|
this.tickCount =
|
|
generateTree(this.currentState.file,
|
|
this.currentState.start,
|
|
this.currentState.end,
|
|
stackProcessor);
|
|
// TODO(jarin) Handle the case when tick count is negative.
|
|
|
|
this.tree = stackProcessor.tree;
|
|
|
|
// Remove old content of the table, replace with new one.
|
|
let oldRows = this.treeElement.getElementsByTagName("tbody");
|
|
let newRows = document.createElement("tbody");
|
|
this.rows = newRows;
|
|
|
|
// Populate the table.
|
|
this.expandTree(this.tree, 0);
|
|
|
|
// Swap in the new rows.
|
|
this.treeElement.replaceChild(newRows, oldRows[0]);
|
|
}
|
|
}
|
|
|
|
class TimelineView {
|
|
constructor() {
|
|
this.element = $("timeline");
|
|
this.canvas = $("timeline-canvas");
|
|
this.legend = $("timeline-legend");
|
|
this.currentCode = $("timeline-currentCode");
|
|
|
|
this.canvas.onmousedown = this.onMouseDown.bind(this);
|
|
this.canvas.onmouseup = this.onMouseUp.bind(this);
|
|
this.canvas.onmousemove = this.onMouseMove.bind(this);
|
|
|
|
this.selectionStart = null;
|
|
this.selectionEnd = null;
|
|
this.selecting = false;
|
|
|
|
this.fontSize = 12;
|
|
this.imageOffset = Math.round(this.fontSize * 1.2);
|
|
this.functionTimelineHeight = 24;
|
|
this.functionTimelineTickHeight = 16;
|
|
|
|
this.currentState = null;
|
|
}
|
|
|
|
onMouseDown(e) {
|
|
this.selectionStart =
|
|
e.clientX - this.canvas.getBoundingClientRect().left;
|
|
this.selectionEnd = this.selectionStart + 1;
|
|
this.selecting = true;
|
|
}
|
|
|
|
onMouseMove(e) {
|
|
if (this.selecting) {
|
|
this.selectionEnd =
|
|
e.clientX - this.canvas.getBoundingClientRect().left;
|
|
this.drawSelection();
|
|
}
|
|
}
|
|
|
|
onMouseUp(e) {
|
|
if (this.selectionStart !== null) {
|
|
let x = e.clientX - this.canvas.getBoundingClientRect().left;
|
|
if (Math.abs(x - this.selectionStart) < 10) {
|
|
this.selectionStart = null;
|
|
this.selectionEnd = null;
|
|
let ctx = this.canvas.getContext("2d");
|
|
ctx.drawImage(this.buffer, 0, this.imageOffset);
|
|
} else {
|
|
this.selectionEnd = x;
|
|
this.drawSelection();
|
|
}
|
|
let file = this.currentState.file;
|
|
if (file) {
|
|
let start = this.selectionStart === null ? 0 : this.selectionStart;
|
|
let end = this.selectionEnd === null ? Infinity : this.selectionEnd;
|
|
let firstTime = file.ticks[0].tm;
|
|
let lastTime = file.ticks[file.ticks.length - 1].tm;
|
|
|
|
let width = this.buffer.width;
|
|
|
|
start = (start / width) * (lastTime - firstTime) + firstTime;
|
|
end = (end / width) * (lastTime - firstTime) + firstTime;
|
|
|
|
if (end < start) {
|
|
let temp = start;
|
|
start = end;
|
|
end = temp;
|
|
}
|
|
|
|
main.setViewInterval(start, end);
|
|
}
|
|
}
|
|
this.selecting = false;
|
|
}
|
|
|
|
drawSelection() {
|
|
let ctx = this.canvas.getContext("2d");
|
|
|
|
// Draw the timeline image.
|
|
ctx.drawImage(this.buffer, 0, this.imageOffset);
|
|
|
|
// Draw the current interval highlight.
|
|
let left;
|
|
let right;
|
|
if (this.selectionStart !== null && this.selectionEnd !== null) {
|
|
ctx.fillStyle = "rgba(0, 0, 0, 0.3)";
|
|
left = Math.min(this.selectionStart, this.selectionEnd);
|
|
right = Math.max(this.selectionStart, this.selectionEnd);
|
|
let height = this.buffer.height - this.functionTimelineHeight;
|
|
ctx.fillRect(0, this.imageOffset, left, height);
|
|
ctx.fillRect(right, this.imageOffset, this.buffer.width - right, height);
|
|
} else {
|
|
left = 0;
|
|
right = this.buffer.width;
|
|
}
|
|
|
|
// Draw the scale text.
|
|
let file = this.currentState.file;
|
|
ctx.fillStyle = "white";
|
|
ctx.fillRect(0, 0, this.canvas.width, this.imageOffset);
|
|
if (file && file.ticks.length > 0) {
|
|
let firstTime = file.ticks[0].tm;
|
|
let lastTime = file.ticks[file.ticks.length - 1].tm;
|
|
|
|
let leftTime =
|
|
firstTime + left / this.canvas.width * (lastTime - firstTime);
|
|
let rightTime =
|
|
firstTime + right / this.canvas.width * (lastTime - firstTime);
|
|
|
|
let leftText = (leftTime / 1000000).toFixed(3) + "s";
|
|
let rightText = (rightTime / 1000000).toFixed(3) + "s";
|
|
|
|
ctx.textBaseline = 'top';
|
|
ctx.font = this.fontSize + "px Arial";
|
|
ctx.fillStyle = "black";
|
|
|
|
let leftWidth = ctx.measureText(leftText).width;
|
|
let rightWidth = ctx.measureText(rightText).width;
|
|
|
|
let leftStart = left - leftWidth / 2;
|
|
let rightStart = right - rightWidth / 2;
|
|
|
|
if (leftStart < 0) leftStart = 0;
|
|
if (rightStart + rightWidth > this.canvas.width) {
|
|
rightStart = this.canvas.width - rightWidth;
|
|
}
|
|
if (leftStart + leftWidth > rightStart) {
|
|
if (leftStart > this.canvas.width - (rightStart - rightWidth)) {
|
|
rightStart = leftStart + leftWidth;
|
|
|
|
} else {
|
|
leftStart = rightStart - leftWidth;
|
|
}
|
|
}
|
|
|
|
ctx.fillText(leftText, leftStart, 0);
|
|
ctx.fillText(rightText, rightStart, 0);
|
|
}
|
|
}
|
|
|
|
render(newState) {
|
|
let oldState = this.currentState;
|
|
|
|
if (!newState.file) {
|
|
this.element.style.display = "none";
|
|
return;
|
|
}
|
|
|
|
let width = Math.round(document.documentElement.clientWidth - 20);
|
|
let height = Math.round(document.documentElement.clientHeight / 5);
|
|
|
|
if (oldState) {
|
|
if (width === oldState.timelineSize.width &&
|
|
height === oldState.timelineSize.height &&
|
|
newState.file === oldState.file &&
|
|
newState.currentCodeId === oldState.currentCodeId &&
|
|
newState.start === oldState.start &&
|
|
newState.end === oldState.end) {
|
|
// No change, nothing to do.
|
|
return;
|
|
}
|
|
}
|
|
this.currentState = newState;
|
|
this.currentState.timelineSize.width = width;
|
|
this.currentState.timelineSize.height = height;
|
|
|
|
this.element.style.display = "inherit";
|
|
|
|
let file = this.currentState.file;
|
|
|
|
const minPixelsPerBucket = 10;
|
|
const minTicksPerBucket = 8;
|
|
let maxBuckets = Math.round(file.ticks.length / minTicksPerBucket);
|
|
let bucketCount = Math.min(
|
|
Math.round(width / minPixelsPerBucket), maxBuckets);
|
|
|
|
// Make sure the canvas has the right dimensions.
|
|
this.canvas.width = width;
|
|
this.canvas.height = height;
|
|
|
|
// Make space for the selection text.
|
|
height -= this.imageOffset;
|
|
|
|
let currentCodeId = this.currentState.currentCodeId;
|
|
|
|
let firstTime = file.ticks[0].tm;
|
|
let lastTime = file.ticks[file.ticks.length - 1].tm;
|
|
let start = Math.max(this.currentState.start, firstTime);
|
|
let end = Math.min(this.currentState.end, lastTime);
|
|
|
|
this.selectionStart = (start - firstTime) / (lastTime - firstTime) * width;
|
|
this.selectionEnd = (end - firstTime) / (lastTime - firstTime) * width;
|
|
|
|
let stackProcessor = new CategorySampler(file, bucketCount);
|
|
generateTree(file, 0, Infinity, stackProcessor);
|
|
let codeIdProcessor = new FunctionTimelineProcessor(
|
|
currentCodeId,
|
|
filterFromFilterId(this.currentState.callTree.attribution));
|
|
generateTree(file, 0, Infinity, codeIdProcessor);
|
|
|
|
let buffer = document.createElement("canvas");
|
|
|
|
buffer.width = width;
|
|
buffer.height = height;
|
|
|
|
// Calculate the bar heights for each bucket.
|
|
let graphHeight = height - this.functionTimelineHeight;
|
|
let buckets = stackProcessor.buckets;
|
|
let bucketsGraph = [];
|
|
for (let i = 0; i < buckets.length; i++) {
|
|
let sum = 0;
|
|
let bucketData = [];
|
|
let total = buckets[i].total;
|
|
if (total > 0) {
|
|
for (let j = 0; j < bucketDescriptors.length; j++) {
|
|
let desc = bucketDescriptors[j];
|
|
for (let k = 0; k < desc.kinds.length; k++) {
|
|
sum += buckets[i][desc.kinds[k]];
|
|
}
|
|
bucketData.push(Math.round(graphHeight * sum / total));
|
|
}
|
|
} else {
|
|
// No ticks fell into this bucket. Fill with "Unknown."
|
|
for (let j = 0; j < bucketDescriptors.length; j++) {
|
|
let desc = bucketDescriptors[j];
|
|
bucketData.push(desc.text === "Unknown" ? graphHeight : 0);
|
|
}
|
|
}
|
|
bucketsGraph.push(bucketData);
|
|
}
|
|
|
|
// Draw the category graph into the buffer.
|
|
let bucketWidth = width / (bucketsGraph.length - 1);
|
|
let ctx = buffer.getContext('2d');
|
|
for (let i = 0; i < bucketsGraph.length - 1; i++) {
|
|
let bucketData = bucketsGraph[i];
|
|
let nextBucketData = bucketsGraph[i + 1];
|
|
let x1 = Math.round(i * bucketWidth);
|
|
let x2 = Math.round((i + 1) * bucketWidth);
|
|
for (let j = 0; j < bucketData.length; j++) {
|
|
ctx.beginPath();
|
|
ctx.moveTo(x1, j > 0 ? bucketData[j - 1] : 0);
|
|
ctx.lineTo(x2, j > 0 ? nextBucketData[j - 1] : 0);
|
|
ctx.lineTo(x2, nextBucketData[j]);
|
|
ctx.lineTo(x1, bucketData[j]);
|
|
ctx.closePath();
|
|
ctx.fillStyle = bucketDescriptors[j].color;
|
|
ctx.fill();
|
|
}
|
|
}
|
|
|
|
// Draw the function ticks.
|
|
let functionTimelineYOffset = graphHeight;
|
|
let functionTimelineTickHeight = this.functionTimelineTickHeight;
|
|
let functionTimelineHalfHeight =
|
|
Math.round(functionTimelineTickHeight / 2);
|
|
let timestampScaler = width / (lastTime - firstTime);
|
|
let timestampToX = (t) => Math.round((t - firstTime) * timestampScaler);
|
|
ctx.fillStyle = "white";
|
|
ctx.fillRect(
|
|
0,
|
|
functionTimelineYOffset,
|
|
buffer.width,
|
|
this.functionTimelineHeight);
|
|
for (let i = 0; i < codeIdProcessor.blocks.length; i++) {
|
|
let block = codeIdProcessor.blocks[i];
|
|
let bucket = kindToBucketDescriptor[block.kind];
|
|
ctx.fillStyle = bucket.color;
|
|
ctx.fillRect(
|
|
timestampToX(block.start),
|
|
functionTimelineYOffset,
|
|
Math.max(1, Math.round((block.end - block.start) * timestampScaler)),
|
|
block.topOfStack ?
|
|
functionTimelineTickHeight : functionTimelineHalfHeight);
|
|
}
|
|
ctx.strokeStyle = "black";
|
|
ctx.lineWidth = "1";
|
|
ctx.beginPath();
|
|
ctx.moveTo(0, functionTimelineYOffset + 0.5);
|
|
ctx.lineTo(buffer.width, functionTimelineYOffset + 0.5);
|
|
ctx.stroke();
|
|
ctx.strokeStyle = "rgba(0,0,0,0.2)";
|
|
ctx.lineWidth = "1";
|
|
ctx.beginPath();
|
|
ctx.moveTo(0, functionTimelineYOffset + functionTimelineHalfHeight - 0.5);
|
|
ctx.lineTo(buffer.width,
|
|
functionTimelineYOffset + functionTimelineHalfHeight - 0.5);
|
|
ctx.stroke();
|
|
|
|
// Draw marks for optimizations and deoptimizations in the function
|
|
// timeline.
|
|
if (currentCodeId && currentCodeId >= 0 &&
|
|
file.code[currentCodeId].func) {
|
|
let y = Math.round(functionTimelineYOffset + functionTimelineTickHeight +
|
|
(this.functionTimelineHeight - functionTimelineTickHeight) / 2);
|
|
let func = file.functions[file.code[currentCodeId].func];
|
|
for (let i = 0; i < func.codes.length; i++) {
|
|
let code = file.code[func.codes[i]];
|
|
if (code.kind === "Opt") {
|
|
if (code.deopt) {
|
|
// Draw deoptimization mark.
|
|
let x = timestampToX(code.deopt.tm);
|
|
ctx.lineWidth = 0.7;
|
|
ctx.strokeStyle = "red";
|
|
ctx.beginPath();
|
|
ctx.moveTo(x - 3, y - 3);
|
|
ctx.lineTo(x + 3, y + 3);
|
|
ctx.stroke();
|
|
ctx.beginPath();
|
|
ctx.moveTo(x - 3, y + 3);
|
|
ctx.lineTo(x + 3, y - 3);
|
|
ctx.stroke();
|
|
}
|
|
// Draw optimization mark.
|
|
let x = timestampToX(code.tm);
|
|
ctx.lineWidth = 0.7;
|
|
ctx.strokeStyle = "blue";
|
|
ctx.beginPath();
|
|
ctx.moveTo(x - 3, y - 3);
|
|
ctx.lineTo(x, y);
|
|
ctx.stroke();
|
|
ctx.beginPath();
|
|
ctx.moveTo(x - 3, y + 3);
|
|
ctx.lineTo(x, y);
|
|
ctx.stroke();
|
|
} else {
|
|
// Draw code creation mark.
|
|
let x = Math.round(timestampToX(code.tm));
|
|
ctx.beginPath();
|
|
ctx.fillStyle = "black";
|
|
ctx.arc(x, y, 3, 0, 2 * Math.PI);
|
|
ctx.fill();
|
|
}
|
|
}
|
|
}
|
|
|
|
// Remember stuff for later.
|
|
this.buffer = buffer;
|
|
|
|
// Draw the buffer.
|
|
this.drawSelection();
|
|
|
|
// (Re-)Populate the graph legend.
|
|
while (this.legend.cells.length > 0) {
|
|
this.legend.deleteCell(0);
|
|
}
|
|
let cell = this.legend.insertCell(-1);
|
|
cell.textContent = "Legend: ";
|
|
cell.style.padding = "1ex";
|
|
for (let i = 0; i < bucketDescriptors.length; i++) {
|
|
let cell = this.legend.insertCell(-1);
|
|
cell.style.padding = "1ex";
|
|
let desc = bucketDescriptors[i];
|
|
let div = document.createElement("div");
|
|
div.style.display = "inline-block";
|
|
div.style.width = "0.6em";
|
|
div.style.height = "1.2ex";
|
|
div.style.backgroundColor = desc.color;
|
|
div.style.borderStyle = "solid";
|
|
div.style.borderWidth = "1px";
|
|
div.style.borderColor = "Black";
|
|
cell.appendChild(div);
|
|
cell.appendChild(document.createTextNode(" " + desc.text));
|
|
}
|
|
|
|
removeAllChildren(this.currentCode);
|
|
if (currentCodeId) {
|
|
let currentCode = file.code[currentCodeId];
|
|
this.currentCode.appendChild(document.createTextNode(currentCode.name));
|
|
} else {
|
|
this.currentCode.appendChild(document.createTextNode("<none>"));
|
|
}
|
|
}
|
|
}
|
|
|
|
class ModeBarView {
|
|
constructor() {
|
|
let modeBar = this.element = $("mode-bar");
|
|
|
|
function addMode(id, text, active) {
|
|
let div = document.createElement("div");
|
|
div.classList = "mode-button" + (active ? " active-mode-button" : "");
|
|
div.id = "mode-" + id;
|
|
div.textContent = text;
|
|
div.onclick = () => {
|
|
if (main.currentState.mode === id) return;
|
|
let old = $("mode-" + main.currentState.mode);
|
|
old.classList = "mode-button";
|
|
div.classList = "mode-button active-mode-button";
|
|
main.setMode(id);
|
|
};
|
|
modeBar.appendChild(div);
|
|
}
|
|
|
|
addMode("summary", "Summary", true);
|
|
addMode("bottom-up", "Bottom up");
|
|
addMode("top-down", "Top down");
|
|
addMode("function-list", "Functions");
|
|
}
|
|
|
|
render(newState) {
|
|
if (!newState.file) {
|
|
this.element.style.display = "none";
|
|
return;
|
|
}
|
|
|
|
this.element.style.display = "inherit";
|
|
}
|
|
}
|
|
|
|
class SummaryView {
|
|
constructor() {
|
|
this.element = $("summary");
|
|
this.currentState = null;
|
|
}
|
|
|
|
render(newState) {
|
|
let oldState = this.currentState;
|
|
|
|
if (!newState.file || newState.mode !== "summary") {
|
|
this.element.style.display = "none";
|
|
this.currentState = null;
|
|
return;
|
|
}
|
|
|
|
this.currentState = newState;
|
|
if (oldState) {
|
|
if (newState.file === oldState.file &&
|
|
newState.start === oldState.start &&
|
|
newState.end === oldState.end) {
|
|
// No change, nothing to do.
|
|
return;
|
|
}
|
|
}
|
|
|
|
this.element.style.display = "inherit";
|
|
removeAllChildren(this.element);
|
|
|
|
let stats = computeOptimizationStats(
|
|
this.currentState.file, newState.start, newState.end);
|
|
|
|
let table = document.createElement("table");
|
|
let rows = document.createElement("tbody");
|
|
|
|
function addRow(text, number, indent) {
|
|
let row = rows.insertRow(-1);
|
|
let textCell = row.insertCell(-1);
|
|
textCell.textContent = text;
|
|
let numberCell = row.insertCell(-1);
|
|
numberCell.textContent = number;
|
|
if (indent) {
|
|
textCell.style.textIndent = indent + "em";
|
|
numberCell.style.textIndent = indent + "em";
|
|
}
|
|
return row;
|
|
}
|
|
|
|
function makeCollapsible(row, arrow) {
|
|
arrow.textContent = EXPANDED_ARROW;
|
|
let expandHandler = row.onclick;
|
|
row.onclick = () => {
|
|
let id = row.id;
|
|
let index = row.rowIndex + 1;
|
|
while (index < rows.rows.length &&
|
|
rows.rows[index].id.startsWith(id)) {
|
|
rows.deleteRow(index);
|
|
}
|
|
arrow.textContent = COLLAPSED_ARROW;
|
|
row.onclick = expandHandler;
|
|
}
|
|
}
|
|
|
|
function expandDeoptInstances(row, arrow, instances, indent, kind) {
|
|
let index = row.rowIndex;
|
|
for (let i = 0; i < instances.length; i++) {
|
|
let childRow = rows.insertRow(index + 1);
|
|
childRow.id = row.id + i + "/";
|
|
|
|
let deopt = instances[i].deopt;
|
|
|
|
let textCell = childRow.insertCell(-1);
|
|
textCell.appendChild(document.createTextNode(deopt.posText));
|
|
textCell.style.textIndent = indent + "em";
|
|
let reasonCell = childRow.insertCell(-1);
|
|
reasonCell.appendChild(
|
|
document.createTextNode("Reason: " + deopt.reason));
|
|
reasonCell.style.textIndent = indent + "em";
|
|
}
|
|
makeCollapsible(row, arrow);
|
|
}
|
|
|
|
function expandDeoptFunctionList(row, arrow, list, indent, kind) {
|
|
let index = row.rowIndex;
|
|
for (let i = 0; i < list.length; i++) {
|
|
let childRow = rows.insertRow(index + 1);
|
|
childRow.id = row.id + i + "/";
|
|
|
|
let textCell = childRow.insertCell(-1);
|
|
textCell.appendChild(createIndentNode(indent));
|
|
let childArrow = createArrowNode();
|
|
textCell.appendChild(childArrow);
|
|
textCell.appendChild(
|
|
createFunctionNode(list[i].f.name, list[i].f.codes[0]));
|
|
|
|
let numberCell = childRow.insertCell(-1);
|
|
numberCell.textContent = list[i].instances.length;
|
|
numberCell.style.textIndent = indent + "em";
|
|
|
|
childArrow.textContent = COLLAPSED_ARROW;
|
|
childRow.onclick = () => {
|
|
expandDeoptInstances(
|
|
childRow, childArrow, list[i].instances, indent + 1);
|
|
};
|
|
}
|
|
makeCollapsible(row, arrow);
|
|
}
|
|
|
|
function expandOptimizedFunctionList(row, arrow, list, indent, kind) {
|
|
let index = row.rowIndex;
|
|
for (let i = 0; i < list.length; i++) {
|
|
let childRow = rows.insertRow(index + 1);
|
|
childRow.id = row.id + i + "/";
|
|
|
|
let textCell = childRow.insertCell(-1);
|
|
textCell.appendChild(
|
|
createFunctionNode(list[i].f.name, list[i].f.codes[0]));
|
|
textCell.style.textIndent = indent + "em";
|
|
|
|
let numberCell = childRow.insertCell(-1);
|
|
numberCell.textContent = list[i].instances.length;
|
|
numberCell.style.textIndent = indent + "em";
|
|
}
|
|
makeCollapsible(row, arrow);
|
|
}
|
|
|
|
function addExpandableRow(text, list, indent, kind) {
|
|
let row = rows.insertRow(-1);
|
|
|
|
row.id = "opt-table/" + kind + "/";
|
|
row.style.backgroundColor = CATEGORY_COLOR;
|
|
|
|
let textCell = row.insertCell(-1);
|
|
textCell.appendChild(createIndentNode(indent));
|
|
let arrow = createArrowNode();
|
|
textCell.appendChild(arrow);
|
|
textCell.appendChild(document.createTextNode(text));
|
|
|
|
let numberCell = row.insertCell(-1);
|
|
numberCell.textContent = list.count;
|
|
if (indent) {
|
|
numberCell.style.textIndent = indent + "em";
|
|
}
|
|
|
|
if (list.count > 0) {
|
|
arrow.textContent = COLLAPSED_ARROW;
|
|
if (kind === "opt") {
|
|
row.onclick = () => {
|
|
expandOptimizedFunctionList(
|
|
row, arrow, list.functions, indent + 1, kind);
|
|
};
|
|
} else {
|
|
row.onclick = () => {
|
|
expandDeoptFunctionList(
|
|
row, arrow, list.functions, indent + 1, kind);
|
|
};
|
|
}
|
|
}
|
|
return row;
|
|
}
|
|
|
|
addRow("Total function count:", stats.functionCount);
|
|
addRow("Optimized function count:", stats.optimizedFunctionCount, 1);
|
|
if (stats.turbopropOptimizedFunctionCount != 0) {
|
|
addRow("Turboprop optimized function count:", stats.turbopropOptimizedFunctionCount, 1);
|
|
}
|
|
addRow("Deoptimized function count:", stats.deoptimizedFunctionCount, 2);
|
|
|
|
addExpandableRow("Optimization count:", stats.optimizations, 0, "opt");
|
|
if (stats.turbopropOptimizedFunctionCount != 0) {
|
|
addExpandableRow("Turboprop Optimization count:", stats.turbopropOptimizations, 0, "tp");
|
|
}
|
|
let deoptCount = stats.eagerDeoptimizations.count +
|
|
stats.softDeoptimizations.count + stats.lazyDeoptimizations.count;
|
|
addRow("Deoptimization count:", deoptCount);
|
|
addExpandableRow("Eager:", stats.eagerDeoptimizations, 1, "eager");
|
|
addExpandableRow("Lazy:", stats.lazyDeoptimizations, 1, "lazy");
|
|
addExpandableRow("Soft:", stats.softDeoptimizations, 1, "soft");
|
|
if (stats.softBailouts.count != 0) {
|
|
addExpandableRow("SoftBailout:", stats.softBailouts, 1, "softbailout");
|
|
}
|
|
if (stats.eagerBailouts.count != 0) {
|
|
addExpandableRow("EagerBailout:", stats.eagerBailouts, 1, "eagerbailout");
|
|
}
|
|
|
|
table.appendChild(rows);
|
|
this.element.appendChild(table);
|
|
}
|
|
}
|
|
|
|
class ScriptSourceView {
|
|
constructor() {
|
|
this.table = $("source-viewer");
|
|
this.hideButton = $("source-viewer-hide-button");
|
|
this.hideButton.onclick = () => {
|
|
main.setViewingSource(false);
|
|
};
|
|
}
|
|
|
|
render(newState) {
|
|
let oldState = this.currentState;
|
|
if (!newState.file || !newState.viewingSource) {
|
|
this.table.style.display = "none";
|
|
this.hideButton.style.display = "none";
|
|
this.currentState = null;
|
|
return;
|
|
}
|
|
if (oldState) {
|
|
if (newState.file === oldState.file &&
|
|
newState.currentCodeId === oldState.currentCodeId &&
|
|
newState.viewingSource === oldState.viewingSource) {
|
|
// No change, nothing to do.
|
|
return;
|
|
}
|
|
}
|
|
this.currentState = newState;
|
|
|
|
this.table.style.display = "inline-block";
|
|
this.hideButton.style.display = "inline";
|
|
removeAllChildren(this.table);
|
|
|
|
let functionId =
|
|
this.currentState.file.code[this.currentState.currentCodeId].func;
|
|
let sourceView =
|
|
this.currentState.sourceData.generateSourceView(functionId);
|
|
for (let i = 0; i < sourceView.source.length; i++) {
|
|
let sampleCount = sourceView.lineSampleCounts[i] || 0;
|
|
let sampleProportion = sourceView.samplesTotal > 0 ?
|
|
sampleCount / sourceView.samplesTotal : 0;
|
|
let heatBucket;
|
|
if (sampleProportion === 0) {
|
|
heatBucket = "line-none";
|
|
} else if (sampleProportion < 0.2) {
|
|
heatBucket = "line-cold";
|
|
} else if (sampleProportion < 0.4) {
|
|
heatBucket = "line-mediumcold";
|
|
} else if (sampleProportion < 0.6) {
|
|
heatBucket = "line-mediumhot";
|
|
} else if (sampleProportion < 0.8) {
|
|
heatBucket = "line-hot";
|
|
} else {
|
|
heatBucket = "line-superhot";
|
|
}
|
|
|
|
let row = this.table.insertRow(-1);
|
|
|
|
let lineNumberCell = row.insertCell(-1);
|
|
lineNumberCell.classList.add("source-line-number");
|
|
lineNumberCell.textContent = i + sourceView.firstLineNumber;
|
|
|
|
let sampleCountCell = row.insertCell(-1);
|
|
sampleCountCell.classList.add(heatBucket);
|
|
sampleCountCell.textContent = sampleCount;
|
|
|
|
let sourceLineCell = row.insertCell(-1);
|
|
sourceLineCell.classList.add(heatBucket);
|
|
sourceLineCell.textContent = sourceView.source[i];
|
|
}
|
|
|
|
$("timeline-currentCode").scrollIntoView();
|
|
}
|
|
}
|
|
|
|
class SourceData {
|
|
constructor(file) {
|
|
this.scripts = new Map();
|
|
for (let i = 0; i < file.scripts.length; i++) {
|
|
const scriptBlock = file.scripts[i];
|
|
if (scriptBlock === null) continue; // Array may be sparse.
|
|
if (scriptBlock.source === undefined) continue;
|
|
let source = scriptBlock.source.split("\n");
|
|
this.scripts.set(i, source);
|
|
}
|
|
|
|
this.functions = new Map();
|
|
for (let codeId = 0; codeId < file.code.length; ++codeId) {
|
|
let codeBlock = file.code[codeId];
|
|
if (codeBlock.source && codeBlock.func !== undefined) {
|
|
let data = this.functions.get(codeBlock.func);
|
|
if (!data) {
|
|
data = new FunctionSourceData(codeBlock.source.script,
|
|
codeBlock.source.start,
|
|
codeBlock.source.end);
|
|
this.functions.set(codeBlock.func, data);
|
|
}
|
|
data.addSourceBlock(codeId, codeBlock.source);
|
|
}
|
|
}
|
|
|
|
for (let tick of file.ticks) {
|
|
let stack = tick.s;
|
|
for (let i = 0; i < stack.length; i += 2) {
|
|
let codeId = stack[i];
|
|
if (codeId < 0) continue;
|
|
let functionId = file.code[codeId].func;
|
|
if (this.functions.has(functionId)) {
|
|
let codeOffset = stack[i + 1];
|
|
this.functions.get(functionId).addOffsetSample(codeId, codeOffset);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
getScript(scriptId) {
|
|
return this.scripts.get(scriptId);
|
|
}
|
|
|
|
getLineForScriptOffset(script, scriptOffset) {
|
|
let line = 0;
|
|
let charsConsumed = 0;
|
|
for (; line < script.length; ++line) {
|
|
charsConsumed += script[line].length + 1; // Add 1 for newline.
|
|
if (charsConsumed > scriptOffset) break;
|
|
}
|
|
return line;
|
|
}
|
|
|
|
hasSource(functionId) {
|
|
return this.functions.has(functionId);
|
|
}
|
|
|
|
generateSourceView(functionId) {
|
|
console.assert(this.hasSource(functionId));
|
|
let data = this.functions.get(functionId);
|
|
let scriptId = data.scriptId;
|
|
let script = this.getScript(scriptId);
|
|
let firstLineNumber =
|
|
this.getLineForScriptOffset(script, data.startScriptOffset);
|
|
let lastLineNumber =
|
|
this.getLineForScriptOffset(script, data.endScriptOffset);
|
|
let lines = script.slice(firstLineNumber, lastLineNumber + 1);
|
|
normalizeLeadingWhitespace(lines);
|
|
|
|
let samplesTotal = 0;
|
|
let lineSampleCounts = [];
|
|
for (let [codeId, block] of data.codes) {
|
|
block.offsets.forEach((sampleCount, codeOffset) => {
|
|
let sourceOffset = block.positionTable.getScriptOffset(codeOffset);
|
|
let lineNumber =
|
|
this.getLineForScriptOffset(script, sourceOffset) - firstLineNumber;
|
|
samplesTotal += sampleCount;
|
|
lineSampleCounts[lineNumber] =
|
|
(lineSampleCounts[lineNumber] || 0) + sampleCount;
|
|
});
|
|
}
|
|
|
|
return {
|
|
source: lines,
|
|
lineSampleCounts: lineSampleCounts,
|
|
samplesTotal: samplesTotal,
|
|
firstLineNumber: firstLineNumber + 1 // Source code is 1-indexed.
|
|
};
|
|
}
|
|
}
|
|
|
|
class FunctionSourceData {
|
|
constructor(scriptId, startScriptOffset, endScriptOffset) {
|
|
this.scriptId = scriptId;
|
|
this.startScriptOffset = startScriptOffset;
|
|
this.endScriptOffset = endScriptOffset;
|
|
|
|
this.codes = new Map();
|
|
}
|
|
|
|
addSourceBlock(codeId, source) {
|
|
this.codes.set(codeId, {
|
|
positionTable: new SourcePositionTable(source.positions),
|
|
offsets: []
|
|
});
|
|
}
|
|
|
|
addOffsetSample(codeId, codeOffset) {
|
|
let codeIdOffsets = this.codes.get(codeId).offsets;
|
|
codeIdOffsets[codeOffset] = (codeIdOffsets[codeOffset] || 0) + 1;
|
|
}
|
|
}
|
|
|
|
class SourcePositionTable {
|
|
constructor(encodedTable) {
|
|
this.offsetTable = [];
|
|
let offsetPairRegex = /C([0-9]+)O([0-9]+)/g;
|
|
while (true) {
|
|
let regexResult = offsetPairRegex.exec(encodedTable);
|
|
if (!regexResult) break;
|
|
let codeOffset = parseInt(regexResult[1]);
|
|
let scriptOffset = parseInt(regexResult[2]);
|
|
if (isNaN(codeOffset) || isNaN(scriptOffset)) continue;
|
|
this.offsetTable.push(codeOffset, scriptOffset);
|
|
}
|
|
}
|
|
|
|
getScriptOffset(codeOffset) {
|
|
console.assert(codeOffset >= 0);
|
|
for (let i = this.offsetTable.length - 2; i >= 0; i -= 2) {
|
|
if (this.offsetTable[i] <= codeOffset) {
|
|
return this.offsetTable[i + 1];
|
|
}
|
|
}
|
|
return this.offsetTable[1];
|
|
}
|
|
}
|
|
|
|
class HelpView {
|
|
constructor() {
|
|
this.element = $("help");
|
|
}
|
|
|
|
render(newState) {
|
|
this.element.style.display = newState.file ? "none" : "inherit";
|
|
}
|
|
}
|