Fix Debugger Restart Bug (#158184)

* VS Code pre-release does not reload code on restart of the debugger
Fixes #157655

Author: andreamah

src/vs/workbench/api/browser/mainThreadDebugService.ts

@@ -232,10 +232,10 @@ export class MainThreadDebugService implements MainThreadDebugServiceShape, IDeb
 			compact: options.compact,
 			debugUI: options.debugUI,
 			compoundRoot: parentSession?.compoundRoot,
-			saveBeforeStart: saveBeforeStart
+			saveBeforeRestart: saveBeforeStart
 		};
 		try {
-			return this.debugService.startDebugging(launch, nameOrConfig, debugOptions);
+			return this.debugService.startDebugging(launch, nameOrConfig, debugOptions, saveBeforeStart);
 		} catch (err) {
 			throw new ErrorNoTelemetry(err && err.message ? err.message : 'cannot start debugging');
 		}

src/vs/workbench/contrib/debug/browser/debugCommands.ts

@@ -731,7 +731,7 @@ KeybindingsRegistry.registerCommandAndKeybindingRule({
 		const { launch, name, getConfig } = debugService.getConfigurationManager().selectedConfiguration;
 		const config = await getConfig();
 		const configOrName = config ? Object.assign(deepClone(config), debugStartOptions?.config) : name;
-		await debugService.startDebugging(launch, configOrName, { noDebug: debugStartOptions?.noDebug, startedByUser: true, saveBeforeStart: false });
+		await debugService.startDebugging(launch, configOrName, { noDebug: debugStartOptions?.noDebug, startedByUser: true }, false);
 	}
 });
 

src/vs/workbench/contrib/debug/browser/debugService.ts

@@ -312,10 +312,7 @@ export class DebugService implements IDebugService {
 	 * main entry point
 	 * properly manages compounds, checks for errors and handles the initializing state.
 	 */
-	async startDebugging(launch: ILaunch | undefined, configOrName?: IConfig | string, options?: IDebugSessionOptions): Promise<boolean> {
-
-		const saveBeforeStart = options?.saveBeforeStart ?? !options?.parentSession;
-
+	async startDebugging(launch: ILaunch | undefined, configOrName?: IConfig | string, options?: IDebugSessionOptions, saveBeforeStart = !options?.parentSession): Promise<boolean> {
 		const message = options && options.noDebug ? nls.localize('runTrust', "Running executes build tasks and program code from your workspace.") : nls.localize('debugTrust', "Debugging executes build tasks and program code from your workspace.");
 		const trust = await this.workspaceTrustRequestService.requestWorkspaceTrust({ message });
 		if (!trust) {
@@ -704,7 +701,7 @@ export class DebugService implements IDebugService {
 	}
 
 	async restartSession(session: IDebugSession, restartData?: any): Promise<any> {
-		if (session.saveBeforeStart) {
+		if (session.saveBeforeRestart) {
 			await saveAllBeforeDebugStart(this.configurationService, this.editorService);
 		}
 

src/vs/workbench/contrib/debug/browser/debugSession.ts

@@ -164,8 +164,8 @@ export class DebugSession implements IDebugSession {
 		return !!this._options.compact;
 	}
 
-	get saveBeforeStart(): boolean {
-		return this._options.saveBeforeStart ?? !this._options?.parentSession;
+	get saveBeforeRestart(): boolean {
+		return this._options.saveBeforeRestart ?? !this._options?.parentSession;
 	}
 
 	get compoundRoot(): DebugCompoundRoot | undefined {

src/vs/workbench/contrib/debug/common/debug.ts

@@ -206,7 +206,7 @@ export interface IDebugSessionOptions {
 		simple?: boolean;
 	};
 	startedByUser?: boolean;
-	saveBeforeStart?: boolean;
+	saveBeforeRestart?: boolean;
 }
 
 export interface IDataBreakpointInfoResponse {
@@ -297,7 +297,7 @@ export interface IDebugSession extends ITreeElement {
 	readonly subId: string | undefined;
 	readonly compact: boolean;
 	readonly compoundRoot: DebugCompoundRoot | undefined;
-	readonly saveBeforeStart: boolean;
+	readonly saveBeforeRestart: boolean;
 	readonly name: string;
 	readonly isSimpleUI: boolean;
 	readonly autoExpandLazyVariables: boolean;
@@ -1090,7 +1090,7 @@ export interface IDebugService {
 	 * Returns true if the start debugging was successful. For compound launches, all configurations have to start successfully for it to return success.
 	 * On errors the startDebugging will throw an error, however some error and cancelations are handled and in that case will simply return false.
 	 */
-	startDebugging(launch: ILaunch | undefined, configOrName?: IConfig | string, options?: IDebugSessionOptions): Promise<boolean>;
+	startDebugging(launch: ILaunch | undefined, configOrName?: IConfig | string, options?: IDebugSessionOptions, saveBeforeStart?: boolean): Promise<boolean>;
 
 	/**
 	 * Restarts a session or creates a new one if there is no active session.

src/vs/workbench/contrib/debug/test/browser/mockDebug.ts

@@ -190,7 +190,7 @@ export class MockSession implements IDebugSession {
 		return undefined;
 	}
 
-	get saveBeforeStart(): boolean {
+	get saveBeforeRestart(): boolean {
 		return true;
 	}