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excludedCallersUI.ts
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excludedCallersUI.ts
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/*---------------------------------------------------------
* Copyright (C) Microsoft Corporation. All rights reserved.
*--------------------------------------------------------*/
import { createHash } from 'crypto';
import { inject, injectable } from 'inversify';
import { basename } from 'path';
import * as vscode from 'vscode';
import { Commands, CustomViews, registerCommand } from '../common/contributionUtils';
import { forceForwardSlashes } from '../common/pathUtils';
import type Dap from '../dap/api';
import { IExtensionContribution } from '../ioc-extras';
import { DebugSessionTracker } from './debugSessionTracker';
const uriLabel = (source: Dap.Source) => {
if (source.sourceReference !== 0 || !source.path) {
return basename(String(source.path));
}
const uri = vscode.Uri.file(source.path);
const parent = vscode.workspace.getWorkspaceFolder(uri);
if (!parent) {
return basename(uri.fsPath);
}
return forceForwardSlashes(uri.fsPath.slice(parent.uri.fsPath.length + 1));
};
const locationLabel = ({ line, column, source }: Dap.CallerLocation) =>
`${uriLabel(source)}:${line}:${column}`;
const fullLabel = ({ line, column, source }: Dap.CallerLocation) =>
`${source.path}:${line}:${column}`;
const revealLocation = async ({ line, column, source }: Dap.CallerLocation) => {
if (source.sourceReference !== 0 || !source.path) {
return;
}
const uri = vscode.Uri.file(source.path);
const doc = await vscode.workspace.openTextDocument(uri);
const editor = await vscode.window.showTextDocument(doc);
const position = new vscode.Position(line - 1, column - 1);
editor.revealRange(new vscode.Range(position, position));
editor.selection = new vscode.Selection(position, position);
};
export class ExcludedCaller {
public readonly treeItem: vscode.TreeItem;
public readonly id: string;
constructor(
public readonly caller: Dap.CallerLocation,
public readonly target: Dap.CallerLocation,
) {
this.treeItem = new vscode.TreeItem(
`${locationLabel(caller)} → ${locationLabel(target)}`,
vscode.TreeItemCollapsibleState.None,
);
this.treeItem.tooltip = `Breaks at ${fullLabel(target)} containing ${fullLabel(
caller,
)} will be skipped`;
this.id = this.treeItem.id = createHash('sha1')
.update(JSON.stringify([caller, target]))
.digest('base64');
}
public toDap(): Dap.ExcludedCaller {
return {
caller: this.caller,
target: this.target,
};
}
}
@injectable()
export class ExcludedCallersUI
implements vscode.TreeDataProvider<ExcludedCaller>, IExtensionContribution
{
private readonly _onDidChangeTreeData = new vscode.EventEmitter<ExcludedCaller | undefined>();
private allCallers = new Map<string, ExcludedCaller>();
private lastHadCallers = false;
constructor(@inject(DebugSessionTracker) private readonly sessionTracker: DebugSessionTracker) {}
/** @inheritdoc */
register(context: vscode.ExtensionContext): void {
context.subscriptions.push(
vscode.window.createTreeView(CustomViews.ExcludedCallers, {
treeDataProvider: this,
}),
registerCommand(vscode.commands, Commands.CallersAdd, async (_uri, context) => {
const stack = await this.sessionTracker
.getById(context.sessionId)
?.customRequest('stackTrace', {
threadId: 0, // js-debug doesn't do threads, so ID is always 0
startFrame: 0,
levels: 1,
});
if (!stack?.stackFrames.length) {
return;
}
const topOfStack = stack.stackFrames[0];
const caller = new ExcludedCaller(
{
column: context.frameLocation.range.startColumn,
line: context.frameLocation.range.startLineNumber,
source: context.frameLocation.source,
},
{
column: topOfStack.column,
line: topOfStack.line,
source: topOfStack.source,
},
);
this.allCallers.set(caller.id, caller);
this.triggerUpdate();
}),
registerCommand(vscode.commands, Commands.CallersGoToCaller, c => revealLocation(c.caller)),
registerCommand(vscode.commands, Commands.CallersGoToTarget, c => revealLocation(c.target)),
registerCommand(vscode.commands, Commands.CallersRemove, async c => {
this.allCallers.delete(c.id);
this.triggerUpdate();
}),
registerCommand(vscode.commands, Commands.CallersRemoveAll, async () => {
this.allCallers.clear();
this.triggerUpdate();
}),
this.sessionTracker.onSessionAdded(e => {
if (this.allCallers.size > 0) {
e.customRequest('setExcludedCallers', {
callers: [...this.allCallers.values()].map(c => c.toDap()),
});
}
}),
);
}
/** @inheritdoc */
public readonly onDidChangeTreeData = this._onDidChangeTreeData.event;
/** @inheritdoc */
getTreeItem(element: ExcludedCaller): vscode.TreeItem {
return element.treeItem;
}
/** @inheritdoc */
getChildren(element?: ExcludedCaller): ExcludedCaller[] {
return element ? [] : [...this.allCallers.values()];
}
private triggerUpdate() {
this._onDidChangeTreeData.fire(undefined);
const hasCallers = this.allCallers.size > 0;
if (hasCallers !== this.lastHadCallers) {
vscode.commands.executeCommand('setContext', 'jsDebugHasExcludedCallers', hasCallers);
this.lastHadCallers = hasCallers;
}
}
}