From fee0a9fa5a3dd84400108b33a1e8225dc364a9fa Mon Sep 17 00:00:00 2001
From: vsrs <vit@conrlab.com>
Date: Mon, 11 May 2020 18:00:15 +0300
Subject: "rust-analyzer.newDebugConfig" command

---
 editors/code/package.json              |  5 +++++
 editors/code/src/commands/runnables.ts | 30 +++++++++++++++++++++++++++++-
 editors/code/src/debug.ts              |  3 +--
 editors/code/src/main.ts               |  1 +
 4 files changed, 36 insertions(+), 3 deletions(-)

(limited to 'editors')

diff --git a/editors/code/package.json b/editors/code/package.json
index 2f90d3baf..ec325ad3f 100644
--- a/editors/code/package.json
+++ b/editors/code/package.json
@@ -125,6 +125,11 @@
                 "title": "Debug",
                 "category": "Rust Analyzer"
             },
+            {
+                "command": "rust-analyzer.newDebugConfig",
+                "title": "Generate launch configuration",
+                "category": "Rust Analyzer"
+            },
             {
                 "command": "rust-analyzer.analyzerStatus",
                 "title": "Status",
diff --git a/editors/code/src/commands/runnables.ts b/editors/code/src/commands/runnables.ts
index c1b872bce..5e88eeae0 100644
--- a/editors/code/src/commands/runnables.ts
+++ b/editors/code/src/commands/runnables.ts
@@ -3,7 +3,7 @@ import * as lc from 'vscode-languageclient';
 import * as ra from '../rust-analyzer-api';
 
 import { Ctx, Cmd } from '../ctx';
-import { startDebugSession } from '../debug';
+import { startDebugSession, getDebugConfiguration } from '../debug';
 
 async function selectRunnable(ctx: Ctx, prevRunnable: RunnableQuickPick | undefined): Promise<RunnableQuickPick | undefined> {
     const editor = ctx.activeRustEditor;
@@ -86,6 +86,34 @@ export function debugSingle(ctx: Ctx): Cmd {
     };
 }
 
+export function newDebugConfig(ctx: Ctx): Cmd {
+    return async () => {
+        const scope = ctx.activeRustEditor?.document.uri;
+        if (!scope) return;
+
+        const item = await selectRunnable(ctx, undefined);
+        if (!item) return;
+
+        const debugConfig = await getDebugConfiguration(ctx, item.runnable);
+        if (!debugConfig) return;
+
+        const wsLaunchSection = vscode.workspace.getConfiguration("launch", scope);
+        const configurations = wsLaunchSection.get<any[]>("configurations") || [];
+
+        const index = configurations.findIndex(c => c.name === debugConfig.name);
+        if (index !== -1) {
+            const answer = await vscode.window.showErrorMessage(`Launch configuration '${debugConfig.name}' already exists!`, 'Cancel', 'Update');
+            if (answer === "Cancel") return;
+
+            configurations[index] = debugConfig;
+        } else {
+            configurations.push(debugConfig);
+        }
+
+        await wsLaunchSection.update("configurations", configurations);
+    };
+}
+
 class RunnableQuickPick implements vscode.QuickPickItem {
     public label: string;
     public description?: string | undefined;
diff --git a/editors/code/src/debug.ts b/editors/code/src/debug.ts
index 4f4b88adf..228a7ab75 100644
--- a/editors/code/src/debug.ts
+++ b/editors/code/src/debug.ts
@@ -57,8 +57,7 @@ export async function getDebugConfiguration(ctx: Ctx, config: ra.Runnable): Prom
             debugEngine = vscode.extensions.getExtension(engineId);
             if (debugEngine) break;
         }
-    }
-    else {
+    } else {
         debugEngine = vscode.extensions.getExtension(debugOptions.engine);
     }
 
diff --git a/editors/code/src/main.ts b/editors/code/src/main.ts
index 5fdeebd68..c015460b8 100644
--- a/editors/code/src/main.ts
+++ b/editors/code/src/main.ts
@@ -78,6 +78,7 @@ export async function activate(context: vscode.ExtensionContext) {
     ctx.registerCommand('expandMacro', commands.expandMacro);
     ctx.registerCommand('run', commands.run);
     ctx.registerCommand('debug', commands.debug);
+    ctx.registerCommand('newDebugConfig', commands.newDebugConfig);
 
     defaultOnEnter.dispose();
     ctx.registerCommand('onEnter', commands.onEnter);
-- 
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