LS: expose view analyzed crates command (#6266)

vscode-cairo/package.json

@@ -73,6 +73,11 @@
         "command": "cairo.expandMacro",
         "title": "Recursively expand macros for item at caret",
         "category": "Cairo"
+      },
+      {
+        "command": "cairo.viewAnalyzedCrates",
+        "title": "View currently analyzed crates",
+        "category": "Cairo"
       }
     ],
     "configuration": [

vscode-cairo/src/cairols.ts

@@ -6,7 +6,11 @@ import { Context } from "./context";
 import { Scarb } from "./scarb";
 import { isScarbProject } from "./scarbProject";
 import { StandaloneLS } from "./standalonels";
-import { registerMacroExpandProvider, registerVfsProvider } from "./textDocumentProviders";
+import {
+  registerMacroExpandProvider,
+  registerVfsProvider,
+  registerViewAnalyzedCratesProvider,
+} from "./textDocumentProviders";
 
 export interface LanguageServerExecutableProvider {
   languageServerExecutable(): lc.Executable;
@@ -67,6 +71,7 @@ export async function setupLanguageServer(ctx: Context): Promise<lc.LanguageClie
 
   registerVfsProvider(client, ctx);
   registerMacroExpandProvider(client, ctx);
+  registerViewAnalyzedCratesProvider(client, ctx);
 
   client.onNotification("scarb/could-not-find-scarb-executable", () => notifyScarbMissing(ctx));
 

vscode-cairo/src/lspRequests.ts

@@ -20,3 +20,8 @@ export const vfsProvide = new lc.RequestType<
   ProvideVirtualFileResponse,
   void
 >("vfs/provide");
+
+export type ViewAnalyzedCratesResponse = string;
+export const viewAnalyzedCrates = new lc.RequestType0<ViewAnalyzedCratesResponse, void>(
+  "cairo/viewAnalyzedCrates",
+);

vscode-cairo/src/textDocumentProviders.ts

@@ -1,7 +1,7 @@
 import * as lc from "vscode-languageclient/node";
 import * as vscode from "vscode";
 import { Context } from "./context";
-import { expandMacro, vfsProvide } from "./lspRequests";
+import { expandMacro, vfsProvide, viewAnalyzedCrates } from "./lspRequests";
 
 export const registerVfsProvider = (client: lc.LanguageClient, ctx: Context) => {
   const eventEmitter = new vscode.EventEmitter<vscode.Uri>();
@@ -61,3 +61,43 @@ export const registerMacroExpandProvider = (client: lc.LanguageClient, ctx: Cont
     }),
   );
 };
+
+export const registerViewAnalyzedCratesProvider = (client: lc.LanguageClient, ctx: Context) => {
+  const uri = vscode.Uri.parse(
+    "cairo-view-analyzed-crates://viewAnalyzedCrates/[ANALYZED_CRATES].txt",
+  );
+  const eventEmitter = new vscode.EventEmitter<vscode.Uri>();
+
+  const tdcp: vscode.TextDocumentContentProvider = {
+    provideTextDocumentContent: () => client.sendRequest(viewAnalyzedCrates),
+    onDidChange: eventEmitter.event,
+  };
+
+  ctx.extension.subscriptions.push(
+    vscode.workspace.registerTextDocumentContentProvider("cairo-view-analyzed-crates", tdcp),
+  );
+
+  ctx.extension.subscriptions.push(
+    vscode.commands.registerCommand("cairo.viewAnalyzedCrates", async () => {
+      const document = await vscode.workspace.openTextDocument(uri);
+
+      eventEmitter.fire(uri);
+
+      return vscode.window.showTextDocument(document, vscode.ViewColumn.Two, true);
+    }),
+  );
+
+  ctx.extension.subscriptions.push(
+    vscode.workspace.onDidChangeTextDocument((e) => {
+      const path = e.document.uri.path;
+      const relevant_suffixes = [".cairo", "Scarb.toml", "Scarb.lock", "cairo_project.toml"];
+
+      for (const suffix of relevant_suffixes) {
+        if (path.endsWith(suffix)) {
+          eventEmitter.fire(uri);
+          break;
+        }
+      }
+    }),
+  );
+};