Support toggling escape sequence logging

Fixes #54949

src/typings/vscode-xterm.d.ts

@@ -680,6 +680,8 @@ declare module 'vscode-xterm' {
 // Modifications to official .d.ts below
 declare module 'vscode-xterm' {
 	interface TerminalCore {
+		debug: boolean;
+
 		buffer: {
 			y: number;
 			ybase: number;

src/vs/workbench/parts/terminal/common/terminal.ts

@@ -542,6 +542,8 @@ export interface ITerminalInstance {
 	setDimensions(dimensions: ITerminalDimensions): void;
 
 	addDisposable(disposable: IDisposable): void;
+
+	toggleEscapeSequenceLogging(): void;
 }
 
 export interface ITerminalCommandTracker {

src/vs/workbench/parts/terminal/common/terminalCommands.ts

@@ -54,6 +54,7 @@ export const enum TERMINAL_COMMAND_ID {
 	SELECT_TO_NEXT_COMMAND = 'workbench.action.terminal.selectToNextCommand',
 	SELECT_TO_PREVIOUS_LINE = 'workbench.action.terminal.selectToPreviousLine',
 	SELECT_TO_NEXT_LINE = 'workbench.action.terminal.selectToNextLine',
+	TOGGLE_ESCAPE_SEQUENCE_LOGGING = 'toggleEscapeSequenceLogging'
 }
 
 

src/vs/workbench/parts/terminal/electron-browser/terminal.contribution.ts

@@ -17,7 +17,7 @@ import { getTerminalDefaultShellUnixLike, getTerminalDefaultShellWindows } from
 import { IWorkbenchActionRegistry, Extensions as ActionExtensions } from 'vs/workbench/common/actions';
 import { KeyCode, KeyMod } from 'vs/base/common/keyCodes';
 import { ContextKeyExpr } from 'vs/platform/contextkey/common/contextkey';
-import { KillTerminalAction, ClearSelectionTerminalAction, CopyTerminalSelectionAction, CreateNewTerminalAction, CreateNewInActiveWorkspaceTerminalAction, FocusActiveTerminalAction, FocusNextTerminalAction, FocusPreviousTerminalAction, SelectDefaultShellWindowsTerminalAction, RunSelectedTextInTerminalAction, RunActiveFileInTerminalAction, ScrollDownTerminalAction, ScrollDownPageTerminalAction, ScrollToBottomTerminalAction, ScrollUpTerminalAction, ScrollUpPageTerminalAction, ScrollToTopTerminalAction, TerminalPasteAction, ToggleTerminalAction, ClearTerminalAction, AllowWorkspaceShellTerminalCommand, DisallowWorkspaceShellTerminalCommand, RenameTerminalAction, SelectAllTerminalAction, FocusTerminalFindWidgetAction, HideTerminalFindWidgetAction, DeleteWordLeftTerminalAction, DeleteWordRightTerminalAction, QuickOpenActionTermContributor, QuickOpenTermAction, TERMINAL_PICKER_PREFIX, MoveToLineStartTerminalAction, MoveToLineEndTerminalAction, SplitTerminalAction, SplitInActiveWorkspaceTerminalAction, FocusPreviousPaneTerminalAction, FocusNextPaneTerminalAction, ResizePaneLeftTerminalAction, ResizePaneRightTerminalAction, ResizePaneUpTerminalAction, ResizePaneDownTerminalAction, ScrollToPreviousCommandAction, ScrollToNextCommandAction, SelectToPreviousCommandAction, SelectToNextCommandAction, SelectToPreviousLineAction, SelectToNextLineAction } from 'vs/workbench/parts/terminal/electron-browser/terminalActions';
+import { KillTerminalAction, ClearSelectionTerminalAction, CopyTerminalSelectionAction, CreateNewTerminalAction, CreateNewInActiveWorkspaceTerminalAction, FocusActiveTerminalAction, FocusNextTerminalAction, FocusPreviousTerminalAction, SelectDefaultShellWindowsTerminalAction, RunSelectedTextInTerminalAction, RunActiveFileInTerminalAction, ScrollDownTerminalAction, ScrollDownPageTerminalAction, ScrollToBottomTerminalAction, ScrollUpTerminalAction, ScrollUpPageTerminalAction, ScrollToTopTerminalAction, TerminalPasteAction, ToggleTerminalAction, ClearTerminalAction, AllowWorkspaceShellTerminalCommand, DisallowWorkspaceShellTerminalCommand, RenameTerminalAction, SelectAllTerminalAction, FocusTerminalFindWidgetAction, HideTerminalFindWidgetAction, DeleteWordLeftTerminalAction, DeleteWordRightTerminalAction, QuickOpenActionTermContributor, QuickOpenTermAction, TERMINAL_PICKER_PREFIX, MoveToLineStartTerminalAction, MoveToLineEndTerminalAction, SplitTerminalAction, SplitInActiveWorkspaceTerminalAction, FocusPreviousPaneTerminalAction, FocusNextPaneTerminalAction, ResizePaneLeftTerminalAction, ResizePaneRightTerminalAction, ResizePaneUpTerminalAction, ResizePaneDownTerminalAction, ScrollToPreviousCommandAction, ScrollToNextCommandAction, SelectToPreviousCommandAction, SelectToNextCommandAction, SelectToPreviousLineAction, SelectToNextLineAction, ToggleEscapeSequenceLoggingAction } from 'vs/workbench/parts/terminal/electron-browser/terminalActions';
 import { Registry } from 'vs/platform/registry/common/platform';
 import { ShowAllCommandsAction } from 'vs/workbench/parts/quickopen/browser/commandsHandler';
 import { SyncActionDescriptor } from 'vs/platform/actions/common/actions';
@@ -544,6 +544,7 @@ actionRegistry.registerWorkbenchAction(new SyncActionDescriptor(SelectToNextComm
 }, KEYBINDING_CONTEXT_TERMINAL_FOCUS), 'Terminal: Select To Next Command', category);
 actionRegistry.registerWorkbenchAction(new SyncActionDescriptor(SelectToPreviousLineAction, SelectToPreviousLineAction.ID, SelectToPreviousLineAction.LABEL), 'Terminal: Select To Previous Line', category);
 actionRegistry.registerWorkbenchAction(new SyncActionDescriptor(SelectToNextLineAction, SelectToNextLineAction.ID, SelectToNextLineAction.LABEL), 'Terminal: Select To Next Line', category);
+actionRegistry.registerWorkbenchAction(new SyncActionDescriptor(ToggleEscapeSequenceLoggingAction, ToggleEscapeSequenceLoggingAction.ID, ToggleEscapeSequenceLoggingAction.LABEL), 'Terminal: Toggle Escape Sequence Logging', category);
 
 setupTerminalCommands();
 setupTerminalMenu();

src/vs/workbench/parts/terminal/electron-browser/terminalActions.ts

@@ -1141,3 +1141,24 @@ export class SelectToNextLineAction extends Action {
 		return TPromise.as(void 0);
 	}
 }
+
+
+export class ToggleEscapeSequenceLoggingAction extends Action {
+	public static readonly ID = TERMINAL_COMMAND_ID.TOGGLE_ESCAPE_SEQUENCE_LOGGING;
+	public static readonly LABEL = nls.localize('workbench.action.terminal.toggleEscapeSequenceLogging', "Toggle Escape Sequence Logging");
+
+	constructor(
+		id: string, label: string,
+		@ITerminalService private terminalService: ITerminalService
+	) {
+		super(id, label);
+	}
+
+	public run(): TPromise<any> {
+		const instance = this.terminalService.getActiveInstance();
+		if (instance) {
+			instance.toggleEscapeSequenceLogging();
+		}
+		return TPromise.as(void 0);
+	}
+}

src/vs/workbench/parts/terminal/electron-browser/terminalInstance.ts

@@ -1068,6 +1068,11 @@ export class TerminalInstance implements ITerminalInstance {
 	private _updateTheme(theme?: ITheme): void {
 		this._xterm.setOption('theme', this._getXtermTheme(theme));
 	}
+
+	public toggleEscapeSequenceLogging(): void {
+		this._xterm._core.debug = !this._xterm._core.debug;
+		this._xterm.setOption('debug', this._xterm._core.debug);
+	}
 }
 
 registerThemingParticipant((theme: ITheme, collector: ICssStyleCollector) => {