From b3383b06614e5f302a3afa2fc2c177303b5b6ca8 Mon Sep 17 00:00:00 2001
From: Kirill Bulatov <mail4score@gmail.com>
Date: Sun, 23 May 2021 16:22:13 +0300
Subject: Send detached files info to server via init params

---
 editors/code/src/client.ts | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

(limited to 'editors/code/src/client.ts')

diff --git a/editors/code/src/client.ts b/editors/code/src/client.ts
index 131a2f19a..cb8beb343 100644
--- a/editors/code/src/client.ts
+++ b/editors/code/src/client.ts
@@ -4,6 +4,7 @@ import * as ra from '../src/lsp_ext';
 import * as Is from 'vscode-languageclient/lib/common/utils/is';
 import { assert } from './util';
 import { WorkspaceEdit } from 'vscode';
+import { Workspace } from './ctx';
 
 export interface Env {
     [name: string]: string;
@@ -23,7 +24,7 @@ function renderHoverActions(actions: ra.CommandLinkGroup[]): vscode.MarkdownStri
     return result;
 }
 
-export function createClient(serverPath: string, cwd: string | undefined, extraEnv: Env): lc.LanguageClient {
+export function createClient(serverPath: string, workspace: Workspace, extraEnv: Env): lc.LanguageClient {
     // '.' Is the fallback if no folder is open
     // TODO?: Workspace folders support Uri's (eg: file://test.txt).
     // It might be a good idea to test if the uri points to a file.
@@ -31,6 +32,11 @@ export function createClient(serverPath: string, cwd: string | undefined, extraE
     const newEnv = Object.assign({}, process.env);
     Object.assign(newEnv, extraEnv);
 
+    let cwd = undefined;
+    if (workspace.kind == "Workspace Folder") {
+        cwd = workspace.folder.fsPath;
+    };
+
     const run: lc.Executable = {
         command: serverPath,
         options: { cwd, env: newEnv },
@@ -43,9 +49,14 @@ export function createClient(serverPath: string, cwd: string | undefined, extraE
         'Rust Analyzer Language Server Trace',
     );
 
+    let initializationOptions = vscode.workspace.getConfiguration("rust-analyzer");
+    if (workspace.kind == "Detached files") {
+        initializationOptions = { "detachedFiles": workspace.files.map(file => file.uri.fsPath), ...initializationOptions };
+    }
+
     const clientOptions: lc.LanguageClientOptions = {
         documentSelector: [{ scheme: 'file', language: 'rust' }],
-        initializationOptions: vscode.workspace.getConfiguration("rust-analyzer"),
+        initializationOptions,
         diagnosticCollectionName: "rustc",
         traceOutputChannel,
         middleware: {
-- 
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