feat: support impala (#83)

* feat: support impala in languages

* feat: add complexOperators and string_double

* feat: support impala in website

* fix: ICreateData import path

* fix: test error

* fix(impala): remove nonReservedKeywords in keywords

* fix(impala): update review comment

src/common/constants.ts

@@ -38,5 +38,6 @@ export enum LanguageIdEnum {
 	PL = 'plsql',
 	SPARK = 'sparksql',
 	SQL = 'sql',
-	TRINO = 'trinosql'
+	TRINO = 'trinosql',
+	IMPALA = 'impalasql'
 }

src/impalasql/impalaSQLWorker.ts

@@ -0,0 +1,18 @@
+import { worker } from '../fillers/monaco-editor-core';
+import ImpalaSQL from 'dt-sql-parser/dist/parser/impala';
+import { BaseSQLWorker } from '../baseSQLWorker';
+import { ICreateData } from '../_.contribution';
+
+export class ImpalaSQLWorker extends BaseSQLWorker {
+	protected _ctx: worker.IWorkerContext;
+	protected parser: ImpalaSQL;
+	constructor(ctx: worker.IWorkerContext, createData: ICreateData) {
+		super();
+		this._ctx = ctx;
+		this.parser = new ImpalaSQL();
+	}
+}
+
+export function create(ctx: worker.IWorkerContext, createData: ICreateData): ImpalaSQLWorker {
+	return new ImpalaSQLWorker(ctx, createData);
+}

src/impalasql/impalasql.contribution.ts

@@ -0,0 +1,23 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { loadLanguage, registerLanguage } from '../_.contribution';
+import { setupLanguageFeatures } from '../setupLanguageFeatures';
+import { LanguageIdEnum } from '../common/constants';
+
+registerLanguage({
+	id: LanguageIdEnum.IMPALA,
+	extensions: ['.impalasql'],
+	aliases: ['impalaSQL', 'impala', 'Impala'],
+	loader: () => import('./impalasql')
+});
+
+loadLanguage(LanguageIdEnum.IMPALA);
+
+setupLanguageFeatures({
+	languageId: LanguageIdEnum.IMPALA,
+	completionItems: true,
+	diagnostics: true
+});