error handling

Author: tangzx

src/debugger/AttachDebugSession.ts

@@ -106,6 +106,10 @@ export class AttachDebugSession extends EmmyDebugSession implements ExprEvaluato
 		const ls = cp.exec(cmd).on("error", e => {
 			this.sendEvent(new OutputEvent(e.message));
 			this.sendEvent(new TerminatedEvent());
+		}).on("exit", code => {
+			if (code !== 0) {
+				this.sendEvent(new TerminatedEvent());
+			}
 		});
 		ls.stdout.on("data", (stdout:string) => {
 			this.sendEvent(new OutputEvent(stdout));

src/debugger/AttachDebuggerProvider.ts

@@ -39,7 +39,10 @@ export class AttachDebuggerProvider implements vscode.DebugConfigurationProvider
         debugConfiguration.sourcePaths = this.getSourceRoots();
         if (debugConfiguration.type === "emmylua_launch") {
             if (this.isNullOrEmpty(debugConfiguration.workingDir)) {
-                debugConfiguration.workingDir = "%workspaceRoot%";
+                var list = vscode.workspace.workspaceFolders!.map(f => { return f.uri.fsPath; });
+                if (list.length > 0) {
+                    debugConfiguration.workingDir = list[0];
+                }
             }
             if (!debugConfiguration.arguments) {
                 debugConfiguration.arguments = [];