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// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import { Schedule, SourceResolver } from "../src/source-resolver";
import { TextView } from "../src/text-view";
export class ScheduleView extends TextView {
schedule: Schedule;
sourceResolver: SourceResolver;
createViewElement() {
const pane = document.createElement('div');
pane.setAttribute('id', "schedule");
return pane;
}
constructor(parentId, broker) {
super(parentId, broker);
this.sourceResolver = broker.sourceResolver;
}
attachSelection(s) {
const view = this;
if (!(s instanceof Set)) return;
view.selectionHandler.clear();
view.blockSelectionHandler.clear();
const selected = new Array();
for (const key of s) selected.push(key);
view.selectionHandler.select(selected, true);
}
detachSelection() {
this.blockSelection.clear();
return this.selection.detachSelection();
}
initializeContent(data, rememberedSelection) {
this.divNode.innerHTML = '';
this.schedule = data.schedule;
this.addBlocks(data.schedule.blocks);
this.attachSelection(rememberedSelection);
this.show();
}
createElementFromString(htmlString) {
const div = document.createElement('div');
div.innerHTML = htmlString.trim();
return div.firstChild;
}
elementForBlock(block) {
const view = this;
function createElement(tag: string, cls: string, content?: string) {
const el = document.createElement(tag);
el.className = cls;
if (content != undefined) el.innerHTML = content;
return el;
}
function mkNodeLinkHandler(nodeId) {
return function (e) {
e.stopPropagation();
if (!e.shiftKey) {
view.selectionHandler.clear();
}
view.selectionHandler.select([nodeId], true);
};
}
function getMarker(start, end) {
if (start != end) {
return ["⊙", `This node generated instructions in range [${start},${end}). ` +
`This is currently unreliable for constants.`];
}
if (start != -1) {
return ["·", `The instruction selector did not generate instructions ` +
`for this node, but processed the node at instruction ${start}. ` +
`This usually means that this node was folded into another node; ` +
`the highlighted machine code is a guess.`];
}
return ["", `This not is not in the final schedule.`];
}
function createElementForNode(node) {
const nodeEl = createElement("div", "node");
const [start, end] = view.sourceResolver.getInstruction(node.id);
const [marker, tooltip] = getMarker(start, end);
const instrMarker = createElement("div", "instr-marker com", marker);
instrMarker.setAttribute("title", tooltip);
instrMarker.onclick = mkNodeLinkHandler(node.id);
nodeEl.appendChild(instrMarker);
const nodeId = createElement("div", "node-id tag clickable", node.id);
nodeId.onclick = mkNodeLinkHandler(node.id);
view.addHtmlElementForNodeId(node.id, nodeId);
nodeEl.appendChild(nodeId);
const nodeLabel = createElement("div", "node-label", node.label);
nodeEl.appendChild(nodeLabel);
if (node.inputs.length > 0) {
const nodeParameters = createElement("div", "parameter-list comma-sep-list");
for (const param of node.inputs) {
const paramEl = createElement("div", "parameter tag clickable", param);
nodeParameters.appendChild(paramEl);
paramEl.onclick = mkNodeLinkHandler(param);
view.addHtmlElementForNodeId(param, paramEl);
}
nodeEl.appendChild(nodeParameters);
}
return nodeEl;
}
function mkBlockLinkHandler(blockId) {
return function (e) {
e.stopPropagation();
if (!e.shiftKey) {
view.blockSelectionHandler.clear();
}
view.blockSelectionHandler.select(["" + blockId], true);
};
}
const scheduleBlock = createElement("div", "schedule-block");
const [start, end] = view.sourceResolver.getInstructionRangeForBlock(block.id);
const instrMarker = createElement("div", "instr-marker com", "⊙");
instrMarker.setAttribute("title", `Instructions range for this block is [${start}, ${end})`);
instrMarker.onclick = mkBlockLinkHandler(block.id);
scheduleBlock.appendChild(instrMarker);
const blockId = createElement("div", "block-id com clickable", block.id);
blockId.onclick = mkBlockLinkHandler(block.id);
scheduleBlock.appendChild(blockId);
const blockPred = createElement("div", "predecessor-list block-list comma-sep-list");
for (const pred of block.pred) {
const predEl = createElement("div", "block-id com clickable", pred);
predEl.onclick = mkBlockLinkHandler(pred);
blockPred.appendChild(predEl);
}
if (block.pred.length) scheduleBlock.appendChild(blockPred);
const nodes = createElement("div", "nodes");
for (const node of block.nodes) {
nodes.appendChild(createElementForNode(node));
}
scheduleBlock.appendChild(nodes);
const blockSucc = createElement("div", "successor-list block-list comma-sep-list");
for (const succ of block.succ) {
const succEl = createElement("div", "block-id com clickable", succ);
succEl.onclick = mkBlockLinkHandler(succ);
blockSucc.appendChild(succEl);
}
if (block.succ.length) scheduleBlock.appendChild(blockSucc);
this.addHtmlElementForBlockId(block.id, scheduleBlock);
return scheduleBlock;
}
addBlocks(blocks) {
for (const block of blocks) {
const blockEl = this.elementForBlock(block);
this.divNode.appendChild(blockEl);
}
}
lineString(node) {
return `${node.id}: ${node.label}(${node.inputs.join(", ")})`;
}
searchInputAction(searchBar, e, onlyVisible) {
e.stopPropagation();
this.selectionHandler.clear();
const query = searchBar.value;
if (query.length == 0) return;
const select = [];
window.sessionStorage.setItem("lastSearch", query);
const reg = new RegExp(query);
for (const node of this.schedule.nodes) {
if (node === undefined) continue;
if (reg.exec(this.lineString(node)) != null) {
select.push(node.id);
}
}
this.selectionHandler.select(select, true);
}
}
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