chore(ctx): reload clangd when compile_commands.json changed

clangd/vscode-clangd#33
clangd · May 28, 2020 · 372af93 · 372af93
1 parent bebd730
commit 372af93
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Showing 3 changed files with 26 additions and 11 deletions.
diff --git a/src/ctx.ts b/src/ctx.ts
@@ -1,4 +1,5 @@
-import { Executable, ExtensionContext, LanguageClient, LanguageClientOptions, ServerOptions, services, StaticFeature, workspace } from 'coc.nvim';
+import { Executable, ExtensionContext, extensions, LanguageClient, LanguageClientOptions, ServerOptions, services, StaticFeature, workspace } from 'coc.nvim';
+import { basename } from 'path';
 import { TextDocumentClientCapabilities } from 'vscode-languageserver-protocol';
 import { Config } from './config';
 import { SemanticHighlightingFeature } from './semantic-highlighting';
@@ -71,4 +72,13 @@ export class Ctx {
 
     this.client = client;
   }
+
+  watch(url: string) {
+    const msg = `${basename(url)} has changed, reload clangd now?`;
+    workspace.showPrompt(msg).then(async (prompt) => {
+      if (prompt) {
+        await extensions.reloadExtension('coc-clangd');
+      }
+    });
+  }
 }
diff --git a/src/file_status.ts b/src/file_status.ts
@@ -9,8 +9,8 @@ export class FileStatus implements Disposable {
 
   private statuses = new Map<string, any>();
 
-  onFileUpdated(fileStatus: any) {
-    this.statuses.set(fileStatus.uri, fileStatus);
+  onFileUpdated(status: any) {
+    this.statuses.set(status.uri, status);
     this.updateStatus();
   }
 

diff --git a/src/index.ts b/src/index.ts
@@ -28,29 +28,34 @@ export async function activate(context: ExtensionContext): Promise<void> {
     return;
   }
 
-  const status = new FileStatus();
+  const fileStatus = new FileStatus();
+  const fileWatcher = workspace.createFileSystemWatcher('**/{compile_commands.json,compile_flags.txt,.clang-tidy}');
+  fileWatcher.onDidChange((e) => ctx.watch(e.fsPath));
+  fileWatcher.onDidCreate((e) => ctx.watch(e.fsPath));
+
   context.subscriptions.push(
-    status,
+    fileWatcher,
+    fileStatus,
 
     commands.registerCommand('clangd.switchSourceHeader', cmds.switchSourceHeader(ctx)),
     commands.registerCommand('clangd.symbolInfo', cmds.symbolInfo(ctx)),
 
     ctx.client!.onDidChangeState((e) => {
       if (e.newState === State.Running) {
-        ctx.client?.onNotification('textDocument/clangd.fileStatus', (fileStatus) => {
-          status.onFileUpdated(fileStatus);
+        ctx.client?.onNotification('textDocument/clangd.fileStatus', (status) => {
+          status.onFileUpdated(status);
         });
       } else if (e.newState === State.Stopped) {
-        status.clear();
+        fileStatus.clear();
       }
     }),
 
     workspace.onDidOpenTextDocument(() => {
-      status.updateStatus();
+      fileStatus.updateStatus();
     })
   );
 
-  ctx.client?.onNotification('textDocument/clangd.fileStatus', (fileStatus) => {
-    status.onFileUpdated(fileStatus);
+  ctx.client?.onNotification('textDocument/clangd.fileStatus', (status) => {
+    fileStatus.onFileUpdated(status);
   });
 }