Add additional debug options

Author: vsrs

editors/code/package.json

@@ -418,6 +418,16 @@
                     "default": {
                         "/rustc/<id>": "${env:USERPROFILE}/.rustup/toolchains/<toolchain-id>/lib/rustlib/src/rust"
                     }
+                },
+                "rust-analyzer.debug.openUpDebugPane": {
+                    "description": "Whether to open up the Debug Pane on debugging start.",
+                    "type": "boolean",
+                    "default": false
+                },
+                "rust-analyzer.debug.engineSettings": {
+                    "type": "object",
+                    "default": {},
+                    "description": "Optional settings passed to the debug engine."
                 }
             }
         },

editors/code/src/commands/runnables.ts

@@ -91,8 +91,6 @@ function getCppvsDebugConfig(config: ra.Runnable, executable: string, sourceFile
 const debugOutput = vscode.window.createOutputChannel("Debug");
 
 async function getDebugExecutable(config: ra.Runnable): Promise<string> {
-    debugOutput.clear();
-
     const cargo = new Cargo(config.cwd || '.', debugOutput);
     const executable = await cargo.executableFromArgs(config.args);
 
@@ -130,8 +128,16 @@ export function debugSingle(ctx: Ctx): Cmd {
             return;
         }
 
+        debugOutput.clear();
+        if (ctx.config.debug.openUpDebugPane) {
+            debugOutput.show(true);
+        }
+
         const executable = await getDebugExecutable(config);
-        const debugConfig = knownEngines[debugEngine.id](config, executable, debugOptions.sourceFileMap);
+        let debugConfig = knownEngines[debugEngine.id](config, executable, debugOptions.sourceFileMap);
+        for (var key in debugOptions.engineSettings) {
+            debugConfig[key] = (debugOptions.engineSettings as any)[key];
+        }
 
         debugOutput.appendLine("Launching debug configuration:");
         debugOutput.appendLine(JSON.stringify(debugConfig, null, 2));

editors/code/src/config.ts

@@ -113,6 +113,8 @@ export class Config {
 
         return {
             engine: this.get<string>("debug.engine"),
+            engineSettings: this.get<object>("debug.engineSettings"),
+            openUpDebugPane: this.get<boolean>("debug.openUpDebugPane"),
             sourceFileMap: sourceFileMap,
         };
     }