debug: show stoppedEvent.text on hover

fixes #3101

src/vs/workbench/parts/debug/browser/debugEditorModelManager.ts

@@ -151,7 +151,7 @@ export class DebugEditorModelManager implements IWorkbenchContribution {
 					range: createRange(sf.lineNumber, sf.column, sf.lineNumber, sf.column + 1)
 				});
 
-				if (thread.stoppedReason === 'exception') {
+				if (thread.stoppedDetails.reason === 'exception') {
 					result.push({
 						options: DebugEditorModelManager.TOP_STACK_FRAME_EXCEPTION_DECORATION,
 						range: wholeLineRange

src/vs/workbench/parts/debug/browser/debugViewlet.ts

@@ -252,11 +252,15 @@ class CallStackView extends viewlet.CollapsibleViewletView {
 		this.toDispose.push(debugModel.addListener2(debug.ModelEvents.CALLSTACK_UPDATED, () => {
 			this.tree.refresh().done(null, errors.onUnexpectedError);
 		}));
+
 		this.toDispose.push(this.debugService.getViewModel().addListener2(debug.ViewModelEvents.FOCUSED_STACK_FRAME_UPDATED, () => {
 			const focussedThread = this.debugService.getModel().getThreads()[this.debugService.getViewModel().getFocusedThreadId()];
-			if (focussedThread && focussedThread.stoppedReason && focussedThread.stoppedReason !== 'step') {
-				this.pauseMessageLabel.text(nls.localize('debugStopped', "Paused on {0}", focussedThread.stoppedReason));
-				focussedThread.stoppedReason === 'exception' ? this.pauseMessageLabel.addClass('exception') : this.pauseMessageLabel.removeClass('exception');
+			if (focussedThread && focussedThread.stoppedDetails && focussedThread.stoppedDetails.reason !== 'step') {
+				this.pauseMessageLabel.text(nls.localize('debugStopped', "Paused on {0}", focussedThread.stoppedDetails.reason));
+				if (focussedThread.stoppedDetails.text) {
+					this.pauseMessageLabel.title(focussedThread.stoppedDetails.text);
+				}
+				focussedThread.stoppedDetails.reason === 'exception' ? this.pauseMessageLabel.addClass('exception') : this.pauseMessageLabel.removeClass('exception');
 				this.pauseMessage.show();
 			} else {
 				this.pauseMessage.hide();

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

@@ -24,7 +24,13 @@ export interface IRawModelUpdate {
 	threadId: number;
 	thread?: DebugProtocol.Thread;
 	callStack?: DebugProtocol.StackFrame[];
-	stoppedReason?: string;
+	stoppedDetails?: IRawStoppedDetails;
+}
+
+export interface IRawStoppedDetails {
+	reason: string;
+	threadId?: number;
+	text?: string;
 }
 
 // model
@@ -48,7 +54,7 @@ export interface IThread extends ITreeElement {
 	threadId: number;
 	name: string;
 	callStack: IStackFrame[];
-	stoppedReason: string;
+	stoppedDetails: IRawStoppedDetails;
 }
 
 export interface IScope extends IExpressionContainer {

src/vs/workbench/parts/debug/common/debugModel.ts

@@ -90,10 +90,10 @@ export function getFullExpressionName(expression: debug.IExpression, sessionType
 
 export class Thread implements debug.IThread {
 
-	public stoppedReason: string;
+	public stoppedDetails: debug.IRawStoppedDetails;
 
 	constructor(public name: string, public threadId, public callStack: debug.IStackFrame[]) {
-		this.stoppedReason = undefined;
+		this.stoppedDetails = undefined;
 	}
 
 	public getId(): string {
@@ -358,7 +358,7 @@ export class Model extends ee.EventEmitter implements debug.IModel {
 				delete this.threads[reference];
 			} else {
 				this.threads[reference].callStack = [];
-				this.threads[reference].stoppedReason = undefined;
+				this.threads[reference].stoppedDetails = undefined;
 			}
 		} else {
 			if (removeThreads) {
@@ -368,7 +368,7 @@ export class Model extends ee.EventEmitter implements debug.IModel {
 				for (let ref in this.threads) {
 					if (this.threads.hasOwnProperty(ref)) {
 						this.threads[ref].callStack = [];
-						this.threads[ref].stoppedReason = undefined;
+						this.threads[ref].stoppedDetails = undefined;
 					}
 				}
 			}
@@ -636,7 +636,7 @@ export class Model extends ee.EventEmitter implements debug.IModel {
 					return new StackFrame(data.threadId, rsf.id, rsf.source ? new Source(rsf.source) : new Source({ name: 'unknown' }), rsf.name, rsf.line, rsf.column);
 				});
 
-			this.threads[data.threadId].stoppedReason = data.stoppedReason;
+			this.threads[data.threadId].stoppedDetails = data.stoppedDetails;
 		}
 
 		this.emit(debug.ModelEvents.CALLSTACK_UPDATED);

src/vs/workbench/parts/debug/electron-browser/debugService.ts

@@ -240,7 +240,7 @@ export class DebugService extends ee.EventEmitter implements debug.IDebugService
 			this.getThreadData(threadId).then(() => {
 				this.session.stackTrace({ threadId: threadId, levels: 20 }).done((result) => {
 
-					this.model.rawUpdate({ threadId: threadId, callStack: result.body.stackFrames, stoppedReason: event.body.reason });
+					this.model.rawUpdate({ threadId: threadId, callStack: result.body.stackFrames, stoppedDetails: event.body });
 					this.windowService.getWindow().focus();
 					const callStack = this.model.getThreads()[threadId].callStack;
 					if (callStack.length > 0) {