debug: completions belong to process not stack frame

fixes #16139

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

@@ -105,6 +105,7 @@ export interface IProcess extends ITreeElement {
 	session: ISession;
 	getThread(threadId: number): IThread;
 	getAllThreads(): IThread[];
+	completions(frameId: number, text: string, position: Position, overwriteBefore: number): TPromise<ISuggestion[]>;
 }
 
 export interface IThread extends ITreeElement {
@@ -170,7 +171,6 @@ export interface IStackFrame extends ITreeElement {
 	source: Source;
 	getScopes(): TPromise<IScope[]>;
 	restart(): TPromise<any>;
-	completions(text: string, position: Position, overwriteBefore: number): TPromise<ISuggestion[]>;
 }
 
 export interface IEnablement extends ITreeElement {

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

@@ -348,26 +348,6 @@ export class StackFrame implements debug.IStackFrame {
 	public restart(): TPromise<any> {
 		return this.thread.process.session.restartFrame({ frameId: this.frameId });
 	}
-
-	public completions(text: string, position: Position, overwriteBefore: number): TPromise<ISuggestion[]> {
-		if (!this.thread.process.session.configuration.capabilities.supportsCompletionsRequest) {
-			return TPromise.as([]);
-		}
-
-		return this.thread.process.session.completions({
-			frameId: this.frameId,
-			text,
-			column: position.column,
-			line: position.lineNumber
-		}).then(response => {
-			return response && response.body && response.body.targets ? response.body.targets.map(item => (<ISuggestion>{
-				label: item.label,
-				insertText: item.text || item.label,
-				type: item.type,
-				overwriteBefore: item.length || overwriteBefore
-			})) : [];
-		}, err => []);
-	}
 }
 
 export class Thread implements debug.IThread {
@@ -566,6 +546,26 @@ export class Process implements debug.IProcess {
 			}
 		});
 	}
+
+	public completions(frameId: number, text: string, position: Position, overwriteBefore: number): TPromise<ISuggestion[]> {
+		if (!this.session.configuration.capabilities.supportsCompletionsRequest) {
+			return TPromise.as([]);
+		}
+
+		return this.session.completions({
+			frameId,
+			text,
+			column: position.column,
+			line: position.lineNumber
+		}).then(response => {
+			return response && response.body && response.body.targets ? response.body.targets.map(item => (<ISuggestion>{
+				label: item.label,
+				insertText: item.text || item.label,
+				type: item.type,
+				overwriteBefore: item.length || overwriteBefore
+			})) : [];
+		}, err => []);
+	}
 }
 
 export class Breakpoint implements debug.IBreakpoint {

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

@@ -177,7 +177,9 @@ export class Repl extends Panel implements IPrivateReplService {
 				const overwriteBefore = word ? word.word.length : 0;
 				const text = this.replInput.getModel().getLineContent(position.lineNumber);
 				const focusedStackFrame = this.debugService.getViewModel().focusedStackFrame;
-				const completions = focusedStackFrame ? focusedStackFrame.completions(text, position, overwriteBefore) : TPromise.as([]);
+				const frameId = focusedStackFrame ? focusedStackFrame.frameId : undefined;
+				const focusedProcess = this.debugService.getViewModel().focusedProcess;
+				const completions = focusedProcess ? focusedProcess.completions(frameId, text, position, overwriteBefore) : TPromise.as([]);
 				return wireCancellationToken(token, completions.then(suggestions => ({
 					suggestions: suggestions
 				})));