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Fix flickering with new syntax highlighting

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This commit is contained in:
Aleksey Kladov 2020-02-27 10:19:56 +01:00
parent 7f7d96cffe
commit b49508ffe3
1 changed files with 9 additions and 1 deletions
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10
editors/code/src/client.ts
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@ -3,7 +3,7 @@ import * as vscode from 'vscode';
import { Config } from './config'; import { Config } from './config';
import { CallHierarchyFeature } from 'vscode-languageclient/lib/callHierarchy.proposed'; import { CallHierarchyFeature } from 'vscode-languageclient/lib/callHierarchy.proposed';
import { SemanticTokensFeature } from 'vscode-languageclient/lib/semanticTokens.proposed'; import { SemanticTokensFeature, DocumentSemanticsTokensSignature } from 'vscode-languageclient/lib/semanticTokens.proposed';
export async function createClient(config: Config, serverPath: string): Promise<lc.LanguageClient> { export async function createClient(config: Config, serverPath: string): Promise<lc.LanguageClient> {
// '.' Is the fallback if no folder is open // '.' Is the fallback if no folder is open
@ -42,6 +42,14 @@ export async function createClient(config: Config, serverPath: string): Promise<
rustfmtArgs: config.rustfmtArgs, rustfmtArgs: config.rustfmtArgs,
}, },
traceOutputChannel, traceOutputChannel,
middleware: {
// Workaround for https://github.com/microsoft/vscode-languageserver-node/issues/576
async provideDocumentSemanticTokens(document: vscode.TextDocument, token: vscode.CancellationToken, next: DocumentSemanticsTokensSignature) {
let res = await next(document, token);
if (res === undefined) throw new Error('busy');
return res;
}
} as any
}; };
const res = new lc.LanguageClient( const res = new lc.LanguageClient(