Modify config

package.json

@@ -39,12 +39,29 @@
   "contributes": {
     "configuration": {
       "type": "object",
-      "title": "R",
+      "title": "R LSP Client",
       "properties": {
+        "r.rpath.windows": {
+          "type": "string",
+          "default": "",
+          "description": "Path to an R executable for Windows. Must be \"vanilla\" R, not radian etc.!"
+        },
+        "r.rpath.mac": {
+          "type": "string",
+          "default": "",
+          "description": "Path to an R executable for macOS. Must be \"vanilla\" R, not radian etc.!"
+        },
+        "r.rpath.linux": {
+          "type": "string",
+          "default": "",
+          "description": "Path to an R executable for Linux. Must be \"vanilla\" R, not radian etc.!"
+        },
         "r.lsp.path": {
           "type": "string",
           "default": "",
-          "description": "Path to R binary for launching Language Server"
+          "description": "Path to R binary for launching Language Server",
+          "markdownDeprecationMessage": "Will be deprecated. Use `#r.rpath.windows#`, `#r.rpath.mac#`, or `#r.rpath.linux#` instead.",
+          "deprecationMessage": "Will be deprecated. Use r.rpath.windows, r.rpath.mac, or r.rpath.linux instead."
         },
         "r.lsp.args": {
           "type": "array",

src/util.ts

@@ -3,11 +3,25 @@ import { WorkspaceConfiguration } from 'vscode';
 import { existsSync } from "fs";
 
 export async function getRPath(config: WorkspaceConfiguration) {
+
+  // use "old" setting to get path:
   let path = config.get<string>("lsp.path");
+
+  // use "new" setting to get path:
+  if(!path){
+    const configEntry = (
+      process.platform === 'win32' ? 'rpath.windows' :
+      process.platform === 'darwin' ? 'rpath.mac' :
+      'rpath.linux'
+    );
+    path = config.get<string>(configEntry);
+  }
+
   if (path && existsSync(path)) {
     return path;
   }
 
+  // get path from system if neither setting works:
   if (process.platform === "win32") {
     try {
       const key = new winreg({