Switch to upstream protocol for resolving code action

Note that we have to maintain custom implementation on the client
side: I don't see how to marry bulitin resolve support with groups and
snippets.

1 files changed, 12 insertions, 9 deletions

diff --git a/editors/code/src/client.ts b/editors/code/src/client.ts
index d032b45b7..c9d032ead 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 { DocumentSemanticsTokensSignature, DocumentSemanticsTokensEditsSignature, DocumentRangeSemanticTokensSignature } from 'vscode-languageclient/lib/common/semanticTokens';
 import { assert } from './util';
+import { WorkspaceEdit } from 'vscode';
 
 function renderCommand(cmd: ra.CommandLink) {
     return `[${cmd.title}](command:${cmd.command}?${encodeURIComponent(JSON.stringify(cmd.arguments))} '${cmd.tooltip!}')`;
@@ -75,8 +76,8 @@ export function createClient(serverPath: string, cwd: string): lc.LanguageClient
                         return Promise.resolve(null);
                     });
             },
-            // Using custom handling of CodeActions where each code action is resolved lazily
-            // That's why we are not waiting for any command or edits
+            // Using custom handling of CodeActions to support action groups and snippet edits.
+            // Note that this means we have to re-implement lazy edit resolving ourselves as well.
             async provideCodeActions(document: vscode.TextDocument, range: vscode.Range, context: vscode.CodeActionContext, token: vscode.CancellationToken, _next: lc.ProvideCodeActionsSignature) {
                 const params: lc.CodeActionParams = {
                     textDocument: client.code2ProtocolConverter.asTextDocumentIdentifier(document),
@@ -99,16 +100,15 @@ export function createClient(serverPath: string, cwd: string): lc.LanguageClient
                         const kind = client.protocol2CodeConverter.asCodeActionKind((item as any).kind);
                         const action = new vscode.CodeAction(item.title, kind);
                         const group = (item as any).group;
-                        const id = (item as any).id;
-                        const resolveParams: ra.ResolveCodeActionParams = {
-                            id: id,
-                            codeActionParams: params
-                        };
                         action.command = {
                             command: "rust-analyzer.resolveCodeAction",
                             title: item.title,
-                            arguments: [resolveParams],
+                            arguments: [item],
                         };
+
+                        // Set a dummy edit, so that VS Code doesn't try to resolve this.
+                        action.edit = new WorkspaceEdit();
+
                         if (group) {
                             let entry = groups.get(group);
                             if (!entry) {
@@ -134,6 +134,10 @@ export function createClient(serverPath: string, cwd: string): lc.LanguageClient
                                     return { label: item.title, arguments: item.command!!.arguments!![0] };
                                 })],
                             };
+
+                            // Set a dummy edit, so that VS Code doesn't try to resolve this.
+                            action.edit = new WorkspaceEdit();
+
                             result[index] = action;
                         }
                     }
@@ -164,7 +168,6 @@ class ExperimentalFeatures implements lc.StaticFeature {
         const caps: any = capabilities.experimental ?? {};
         caps.snippetTextEdit = true;
         caps.codeActionGroup = true;
-        caps.resolveCodeAction = true;
         caps.hoverActions = true;
         caps.statusNotification = true;
         capabilities.experimental = caps;