Add support for elp.debugSingle command

Summary: * Add a `elp.debugSingle` command, which will eventually be used by the ELP "debug" code lens to start a debugging session for a given testcase.

Reviewed By: alanz

Differential Revision: D68159114

fbshipit-source-id: f0c2396f40518b1dd590eea49c6b300265899d7a

editors/code/client/src/commands.ts

@@ -9,6 +9,7 @@
 
 import * as vscode from 'vscode';
 import * as dapConfig from './dapConfig';
+import * as edbDebugger from './debugger';
 
 export type Runnable = {
     label: string;
@@ -39,6 +40,15 @@ export function registerCommands(context: vscode.ExtensionContext) {
             },
         ),
     );
+    // elp.debugSingle
+    context.subscriptions.push(
+        vscode.commands.registerCommand(
+            'elp.debugSingle',
+            async (runnable: Runnable) => {
+                await debugSingle(runnable);
+            },
+        ),
+    );
 }
 
 export function runSingle(runnable: Runnable): Thenable<vscode.TaskExecution> {
@@ -90,3 +100,23 @@ export function buildTask(
     const exec = new vscode.ProcessExecution(command, args, definition);
     return new vscode.Task(definition, vscode.TaskScope.Workspace, name, task_source, exec, []);
 }
+
+export async function debugSingle(runnable: Runnable): Promise<void> {
+    const debugConfiguration = {
+        type: edbDebugger.DEBUG_TYPE,
+        name: 'Erlang EDB',
+        request: 'launch',
+        launchCommand: {
+            cwd: "${workspaceFolder}",
+            command: "rebar3",
+            arguments: [
+                "ct",
+                "--sname",
+                "debuggee",
+                runnable.args.args
+            ]
+        },
+        targetNode: 'debuggee'
+    };
+    await vscode.debug.startDebugging(undefined, debugConfiguration);
+}

editors/code/client/src/dapConfig.ts

@@ -26,4 +26,4 @@ export function withErlangInstallationPath(): string {
 export function command(): string {
     const dapConfig = vscode.workspace.getConfiguration(DAP_CONFIG);
     return dapConfig.get<string>('command') || '';
-}
+}

editors/code/client/src/debugger.ts

@@ -10,9 +10,9 @@
 import * as vscode from 'vscode';
 import * as dapConfig from './dapConfig';
 
-const DEBUG_TYPE = 'erlang-edb';
+export const DEBUG_TYPE = 'erlang-edb';
 
-interface EdbDebugConfiguration extends vscode.DebugConfiguration {
+export interface EdbDebugConfiguration extends vscode.DebugConfiguration {
     launchCommand: {
         command: string;
         arguments?: Array<string>;