v8/tools/system-analyzer/view/code-panel.mjs
Camillo Bruni a6c474fecc [tools][system-analyzer] Add ToolTip API
Enable more complex tooltips with clickable links and references.

- Use short filename for Script.name if they are unique
- Use shared App.isClickable method
- Remove various toStringLong methods
- Rename CodeLogEntry.disassemble to .code
- Add DOM.button helper

Bug: v8:10644
Change-Id: I5d46ffd560b37278dc46b8347cb9ff0a7fdfa2ef
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2916373
Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74746}
2021-05-25 12:43:52 +00:00

80 lines
2.2 KiB
JavaScript

// Copyright 2020 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 {SelectRelatedEvent} from './events.mjs';
import {CollapsableElement, DOM, formatBytes, formatMicroSeconds} from './helper.mjs';
DOM.defineCustomElement('view/code-panel',
(templateText) =>
class CodePanel extends CollapsableElement {
_timeline;
_selectedEntries;
_entry;
constructor() {
super(templateText);
this._codeSelectNode.onchange = this._handleSelectCode.bind(this);
this.$('#selectedRelatedButton').onclick =
this._handleSelectRelated.bind(this)
}
set timeline(timeline) {
this._timeline = timeline;
this.$('.panel').style.display = timeline.isEmpty() ? 'none' : 'inherit';
this.requestUpdate();
}
set selectedEntries(entries) {
this._selectedEntries = entries;
this.entry = entries.first();
}
set entry(entry) {
this._entry = entry;
this.requestUpdate();
}
get _disassemblyNode() {
return this.$('#disassembly');
}
get _sourceNode() {
return this.$('#sourceCode');
}
get _codeSelectNode() {
return this.$('#codeSelect');
}
_update() {
this._updateSelect();
this._disassemblyNode.innerText = this._entry?.code ?? '';
this._sourceNode.innerText = this._entry?.source ?? '';
}
_updateSelect() {
const select = this._codeSelectNode;
if (select.data === this._selectedEntries) return;
select.data = this._selectedEntries;
select.options.length = 0;
const sorted =
this._selectedEntries.slice().sort((a, b) => a.time - b.time);
for (const code of this._selectedEntries) {
const option = DOM.element('option');
option.text =
`${code.name}(...) t=${formatMicroSeconds(code.time)} size=${
formatBytes(code.size)} script=${code.script?.toString()}`;
option.data = code;
select.add(option);
}
}
_handleSelectCode() {
this.entry = this._codeSelectNode.selectedOptions[0].data;
}
_handleSelectRelated(e) {
if (!this._entry) return;
this.dispatchEvent(new SelectRelatedEvent(this._entry));
}
});