introduced 'utils/cancellation.ts' doing only "export * from 'vscode-…

…jsonrpc/lib/common/cancellation.js';"; updated related imports

aims at providing cancellation related types and symbols with smallest possible overhead while avoiding code clones

examples/domainmodel/src/language-server/domain-model-scope.ts

@@ -8,8 +8,7 @@ import type { AstNode, AstNodeDescription, LangiumDocument, PrecomputedScopes }
 import type { DomainModelServices } from './domain-model-module.js';
 import type { QualifiedNameProvider } from './domain-model-naming.js';
 import type { Domainmodel, PackageDeclaration } from './generated/ast.js';
-import { AstUtils, DefaultScopeComputation, interruptAndCheck, MultiMap } from 'langium';
-import { CancellationToken } from 'vscode-jsonrpc';
+import { AstUtils, Cancellation, DefaultScopeComputation, interruptAndCheck, MultiMap } from 'langium';
 import { isType, isPackageDeclaration } from './generated/ast.js';
 
 export class DomainModelScopeComputation extends DefaultScopeComputation {
@@ -24,7 +23,7 @@ export class DomainModelScopeComputation extends DefaultScopeComputation {
     /**
      * Exports only types (`DataType or `Entity`) with their qualified names.
      */
-    override async computeExports(document: LangiumDocument, cancelToken = CancellationToken.None): Promise<AstNodeDescription[]> {
+    override async computeExports(document: LangiumDocument, cancelToken = Cancellation.CancellationToken.None): Promise<AstNodeDescription[]> {
         const descr: AstNodeDescription[] = [];
         for (const modelNode of AstUtils.streamAllContents(document.parseResult.value)) {
             await interruptAndCheck(cancelToken);
@@ -41,14 +40,14 @@ export class DomainModelScopeComputation extends DefaultScopeComputation {
         return descr;
     }
 
-    override async computeLocalScopes(document: LangiumDocument, cancelToken = CancellationToken.None): Promise<PrecomputedScopes> {
+    override async computeLocalScopes(document: LangiumDocument, cancelToken = Cancellation.CancellationToken.None): Promise<PrecomputedScopes> {
         const model = document.parseResult.value as Domainmodel;
         const scopes = new MultiMap<AstNode, AstNodeDescription>();
         await this.processContainer(model, scopes, document, cancelToken);
         return scopes;
     }
 
-    protected async processContainer(container: Domainmodel | PackageDeclaration, scopes: PrecomputedScopes, document: LangiumDocument, cancelToken: CancellationToken): Promise<AstNodeDescription[]> {
+    protected async processContainer(container: Domainmodel | PackageDeclaration, scopes: PrecomputedScopes, document: LangiumDocument, cancelToken: Cancellation.CancellationToken): Promise<AstNodeDescription[]> {
         const localDescriptions: AstNodeDescription[] = [];
         for (const element of container.elements) {
             await interruptAndCheck(cancelToken);

packages/langium/src/lsp/call-hierarchy-provider.ts

@@ -4,7 +4,8 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { CallHierarchyIncomingCall, CallHierarchyIncomingCallsParams, CallHierarchyItem, CallHierarchyOutgoingCall, CallHierarchyOutgoingCallsParams, CallHierarchyPrepareParams, CancellationToken } from 'vscode-languageserver';
+import type { CallHierarchyIncomingCall, CallHierarchyIncomingCallsParams, CallHierarchyItem, CallHierarchyOutgoingCall, CallHierarchyOutgoingCallsParams, CallHierarchyPrepareParams,  } from 'vscode-languageserver';
+import type { CancellationToken } from '../utils/cancellation.js';
 import type { GrammarConfig } from '../languages/grammar-config.js';
 import type { NameProvider } from '../references/name-provider.js';
 import type { References } from '../references/references.js';

packages/langium/src/lsp/code-action.ts

@@ -4,7 +4,8 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { CancellationToken, CodeAction, CodeActionParams, Command } from 'vscode-languageserver';
+import type { CodeAction, CodeActionParams, Command } from 'vscode-languageserver';
+import type { CancellationToken } from '../utils/cancellation.js';
 import type { MaybePromise } from '../utils/promise-utils.js';
 import type { LangiumDocument } from '../workspace/documents.js';
 

packages/langium/src/lsp/code-lens-provider.ts

@@ -4,7 +4,8 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { CancellationToken, CodeLens, CodeLensParams } from 'vscode-languageserver';
+import type { CodeLens, CodeLensParams } from 'vscode-languageserver';
+import type { CancellationToken } from '../utils/cancellation.js';
 import type { MaybePromise } from '../utils/promise-utils.js';
 import type { LangiumDocument } from '../workspace/documents.js';
 

packages/langium/src/lsp/completion/completion-provider.ts

@@ -4,12 +4,13 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { CancellationToken, CompletionItem, CompletionParams } from 'vscode-languageserver';
+import type { CompletionItem, CompletionParams } from 'vscode-languageserver';
 import type { LangiumCompletionParser } from '../../parser/langium-parser.js';
 import type { NameProvider } from '../../references/name-provider.js';
 import type { ScopeProvider } from '../../references/scope-provider.js';
 import type { LangiumServices } from '../lsp-services.js';
 import type { AstNode, AstNodeDescription, AstReflection, CstNode, ReferenceInfo } from '../../syntax-tree.js';
+import type { CancellationToken } from '../../utils/cancellation.js';
 import type { MaybePromise } from '../../utils/promise-utils.js';
 import type { LangiumDocument, TextDocument, TextEdit } from '../../workspace/documents.js';
 import type { NextFeature } from './follow-element-computation.js';

packages/langium/src/lsp/declaration-provider.ts

@@ -4,7 +4,8 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { CancellationToken, DeclarationParams, LocationLink } from 'vscode-languageserver';
+import type { DeclarationParams, LocationLink } from 'vscode-languageserver';
+import type { CancellationToken } from '../utils/cancellation.js';
 import type { MaybePromise } from '../utils/promise-utils.js';
 import type { LangiumDocument } from '../workspace/documents.js';
 

packages/langium/src/lsp/definition-provider.ts

@@ -4,7 +4,8 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { CancellationToken, DefinitionParams } from 'vscode-languageserver';
+import type { DefinitionParams } from 'vscode-languageserver';
+import type { CancellationToken } from '../utils/cancellation.js';
 import type { GrammarConfig } from '../languages/grammar-config.js';
 import type { NameProvider } from '../references/name-provider.js';
 import type { References } from '../references/references.js';

packages/langium/src/lsp/document-highlight-provider.ts

@@ -4,7 +4,8 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { CancellationToken, DocumentHighlightParams } from 'vscode-languageserver';
+import type { DocumentHighlightParams } from 'vscode-languageserver';
+import type { CancellationToken } from '../utils/cancellation.js';
 import type { GrammarConfig } from '../languages/grammar-config.js';
 import type { NameProvider } from '../references/name-provider.js';
 import type { FindReferencesOptions, References } from '../references/references.js';

packages/langium/src/lsp/document-link-provider.ts

@@ -4,7 +4,8 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { CancellationToken, DocumentLink, DocumentLinkParams } from 'vscode-languageserver';
+import type { DocumentLink, DocumentLinkParams } from 'vscode-languageserver';
+import type { CancellationToken } from '../utils/cancellation.js';
 import type { MaybePromise } from '../utils/promise-utils.js';
 import type { LangiumDocument } from '../workspace/documents.js';
 

packages/langium/src/lsp/document-symbol-provider.ts

@@ -4,7 +4,8 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { CancellationToken, DocumentSymbol, DocumentSymbolParams} from 'vscode-languageserver';
+import type { DocumentSymbol, DocumentSymbolParams } from 'vscode-languageserver';
+import type { CancellationToken } from '../utils/cancellation.js';
 import type { NameProvider } from '../references/name-provider.js';
 import type { LangiumServices } from './lsp-services.js';
 import type { AstNode } from '../syntax-tree.js';

packages/langium/src/lsp/execute-command-handler.ts

@@ -7,7 +7,7 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
 import type { MaybePromise } from '../utils/promise-utils.js';
-import { CancellationToken } from 'vscode-languageserver';
+import { CancellationToken } from '../utils/cancellation.js';
 
 export interface ExecuteCommandHandler {
     get commands(): string[]

packages/langium/src/lsp/folding-range-provider.ts

@@ -4,7 +4,8 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { CancellationToken, FoldingRangeParams } from 'vscode-languageserver';
+import type { FoldingRangeParams } from 'vscode-languageserver';
+import type { CancellationToken } from '../utils/cancellation.js';
 import type { LangiumServices } from './lsp-services.js';
 import type { AstNode, CstNode } from '../syntax-tree.js';
 import type { MaybePromise } from '../utils/promise-utils.js';

packages/langium/src/lsp/formatter.ts

@@ -4,7 +4,8 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { CancellationToken, DocumentFormattingParams, DocumentOnTypeFormattingOptions, DocumentOnTypeFormattingParams, DocumentRangeFormattingParams, FormattingOptions, Range, TextEdit } from 'vscode-languageserver-protocol';
+import type { DocumentFormattingParams, DocumentOnTypeFormattingOptions, DocumentOnTypeFormattingParams, DocumentRangeFormattingParams, FormattingOptions, Range, TextEdit } from 'vscode-languageserver-protocol';
+import type { CancellationToken } from '../utils/cancellation.js';
 import type { AstNode, CstNode, Properties } from '../syntax-tree.js';
 import type { MaybePromise } from '../utils/promise-utils.js';
 import type { Stream } from '../utils/stream.js';

packages/langium/src/lsp/hover-provider.ts

@@ -4,7 +4,8 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { CancellationToken, Hover, HoverParams } from 'vscode-languageserver';
+import type { Hover, HoverParams } from 'vscode-languageserver';
+import type { CancellationToken } from '../utils/cancellation.js';
 import type { GrammarConfig } from '../languages/grammar-config.js';
 import type { References } from '../references/references.js';
 import type { LangiumServices } from './lsp-services.js';

packages/langium/src/lsp/implementation-provider.ts

@@ -11,7 +11,7 @@ import type { LangiumServices } from './lsp-services.js';
 import type { AstNode } from '../syntax-tree.js';
 import type { MaybePromise } from '../utils/promise-utils.js';
 import type { LangiumDocument } from '../workspace/documents.js';
-import { CancellationToken } from 'vscode-languageserver';
+import { CancellationToken } from '../utils/cancellation.js';
 import { findDeclarationNodeAtOffset } from '../utils/cst-utils.js';
 
 /**

packages/langium/src/lsp/inlay-hint-provider.ts

@@ -6,7 +6,7 @@
 
 import type { InlayHint, InlayHintParams } from 'vscode-languageserver';
 import type { AstNode } from '../syntax-tree.js';
-import { CancellationToken } from 'vscode-languageserver';
+import { CancellationToken } from '../utils/cancellation.js';
 import type { MaybePromise } from '../utils/promise-utils.js';
 import type { LangiumDocument } from '../workspace/documents.js';
 import { streamAst } from '../utils/ast-utils.js';

packages/langium/src/lsp/references-provider.ts

@@ -4,7 +4,8 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { CancellationToken, ReferenceParams } from 'vscode-languageserver';
+import type { ReferenceParams } from 'vscode-languageserver';
+import type { CancellationToken } from '../utils/cancellation.js';
 import type { NameProvider } from '../references/name-provider.js';
 import type { References } from '../references/references.js';
 import type { LeafCstNode } from '../syntax-tree.js';

packages/langium/src/lsp/rename-provider.ts

@@ -4,7 +4,8 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { CancellationToken, Position, Range, RenameParams, TextDocumentPositionParams, WorkspaceEdit } from 'vscode-languageserver-protocol';
+import type { Position, Range, RenameParams, TextDocumentPositionParams, WorkspaceEdit } from 'vscode-languageserver-protocol';
+import type { CancellationToken } from '../utils/cancellation.js';
 import type { GrammarConfig } from '../languages/grammar-config.js';
 import type { NameProvider } from '../references/name-provider.js';
 import type { References } from '../references/references.js';

packages/langium/src/lsp/semantic-token-provider.ts

@@ -7,7 +7,8 @@
 /* eslint-disable no-bitwise */
 
 import type { Range, SemanticTokens, SemanticTokensClientCapabilities, SemanticTokensDelta, SemanticTokensDeltaParams, SemanticTokensOptions, SemanticTokensParams, SemanticTokensRangeParams } from 'vscode-languageserver';
-import { SemanticTokensBuilder as BaseSemanticTokensBuilder, CancellationToken, SemanticTokenModifiers, SemanticTokenTypes } from 'vscode-languageserver';
+import { SemanticTokensBuilder as BaseSemanticTokensBuilder, SemanticTokenModifiers, SemanticTokenTypes } from 'vscode-languageserver';
+import { CancellationToken } from '../utils/cancellation.js';
 import type { AstNode, CstNode, Properties } from '../syntax-tree.js';
 import { streamAst } from '../utils/ast-utils.js';
 import { inRange } from '../utils/cst-utils.js';

packages/langium/src/lsp/signature-help-provider.ts

@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 import type { SignatureHelp, SignatureHelpOptions, SignatureHelpParams } from 'vscode-languageserver';
-import { CancellationToken } from 'vscode-languageserver';
+import { CancellationToken } from '../utils/cancellation.js';
 import type { AstNode } from '../syntax-tree.js';
 import { findLeafNodeAtOffset } from '../utils/cst-utils.js';
 import type { MaybePromise } from '../utils/promise-utils.js';

packages/langium/src/lsp/type-provider.ts

@@ -10,7 +10,7 @@ import type { LangiumServices } from './lsp-services.js';
 import type { AstNode } from '../syntax-tree.js';
 import type { MaybePromise } from '../utils/promise-utils.js';
 import type { LangiumDocument } from '../workspace/documents.js';
-import { CancellationToken } from 'vscode-languageserver';
+import { CancellationToken } from '../utils/cancellation.js';
 import { findDeclarationNodeAtOffset } from '../utils/cst-utils.js';
 
 /**

packages/langium/src/lsp/workspace-symbol-provider.ts

@@ -11,7 +11,7 @@ import type { MaybePromise} from '../utils/promise-utils.js';
 import type { AstNodeDescription } from '../syntax-tree.js';
 import type { NodeKindProvider } from './node-kind-provider.js';
 import type { FuzzyMatcher } from './fuzzy-matcher.js';
-import { CancellationToken } from 'vscode-languageserver';
+import { CancellationToken } from '../utils/cancellation.js';
 import { interruptAndCheck } from '../utils/promise-utils.js';
 
 /**

packages/langium/src/parser/async-parser.ts

@@ -4,7 +4,7 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { CancellationToken } from 'vscode-languageserver';
+import type { CancellationToken } from '../utils/cancellation.js';
 import type { LangiumCoreServices } from '../services.js';
 import type { AstNode } from '../syntax-tree.js';
 import type { LangiumParser, ParseResult } from './langium-parser.js';

packages/langium/src/references/linker.ts

@@ -9,7 +9,7 @@ import type { AstNode, AstNodeDescription, AstReflection, CstNode, LinkingError,
 import type { AstNodeLocator } from '../workspace/ast-node-locator.js';
 import type { LangiumDocument, LangiumDocuments } from '../workspace/documents.js';
 import type { ScopeProvider } from './scope-provider.js';
-import { CancellationToken } from 'vscode-languageserver';
+import { CancellationToken } from '../utils/cancellation.js';
 import { isAstNode, isAstNodeDescription, isLinkingError } from '../syntax-tree.js';
 import { getDocument, streamAst, streamReferences } from '../utils/ast-utils.js';
 import { interruptAndCheck } from '../utils/promise-utils.js';

packages/langium/src/references/scope-computation.ts

@@ -9,7 +9,7 @@ import type { AstNode, AstNodeDescription } from '../syntax-tree.js';
 import type { AstNodeDescriptionProvider } from '../workspace/ast-descriptions.js';
 import type { LangiumDocument, PrecomputedScopes } from '../workspace/documents.js';
 import type { NameProvider } from './name-provider.js';
-import { CancellationToken } from 'vscode-jsonrpc';
+import { CancellationToken } from '../utils/cancellation.js';
 import { streamAllContents, streamContents } from '../utils/ast-utils.js';
 import { MultiMap } from '../utils/collections.js';
 import { interruptAndCheck } from '../utils/promise-utils.js';

packages/langium/src/utils/cancellation.ts

@@ -0,0 +1,7 @@
+/******************************************************************************
+ * Copyright 2024 TypeFox GmbH
+ * This program and the accompanying materials are made available under the
+ * terms of the MIT License, which is available in the project root.
+ ******************************************************************************/
+
+export * from 'vscode-jsonrpc/lib/common/cancellation.js';

packages/langium/src/utils/index.ts

@@ -14,7 +14,8 @@ export * from './stream.js';
 export * from './uri-utils.js';
 
 import * as AstUtils from './ast-utils.js';
+import * as Cancellation from './cancellation.js';
 import * as CstUtils from './cst-utils.js';
 import * as GrammarUtils from './grammar-utils.js';
 import * as RegExpUtils from './regexp-utils.js';
-export { AstUtils, CstUtils, GrammarUtils, RegExpUtils };
+export { AstUtils, Cancellation, CstUtils, GrammarUtils, RegExpUtils };

packages/langium/src/utils/promise-utils.ts

@@ -4,8 +4,7 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { AbstractCancellationTokenSource } from 'vscode-jsonrpc';
-import { CancellationToken, CancellationTokenSource } from 'vscode-jsonrpc';
+import { CancellationToken, CancellationTokenSource, type AbstractCancellationTokenSource } from '../utils/cancellation.js';
 
 export type MaybePromise<T> = T | Promise<T>
 

packages/langium/src/validation/document-validator.ts

@@ -12,7 +12,8 @@ import type { LangiumCoreServices } from '../services.js';
 import type { AstNode, CstNode } from '../syntax-tree.js';
 import type { LangiumDocument } from '../workspace/documents.js';
 import type { DiagnosticData, DiagnosticInfo, ValidationAcceptor, ValidationCategory, ValidationRegistry } from './validation-registry.js';
-import { CancellationToken, DiagnosticSeverity, Position, Range } from 'vscode-languageserver';
+import { DiagnosticSeverity, Position, Range } from 'vscode-languageserver';
+import { CancellationToken } from '../utils/cancellation.js';
 import { findNodeForKeyword, findNodeForProperty } from '../utils/grammar-utils.js';
 import { streamAst } from '../utils/ast-utils.js';
 import { tokenToRange } from '../utils/cst-utils.js';

packages/langium/src/validation/validation-registry.ts

@@ -4,7 +4,8 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { CancellationToken, CodeDescription, DiagnosticRelatedInformation, DiagnosticTag, integer, Range } from 'vscode-languageserver';
+import type { CodeDescription, DiagnosticRelatedInformation, DiagnosticTag, integer, Range } from 'vscode-languageserver';
+import type { CancellationToken } from '../utils/cancellation.js';
 import type { LangiumCoreServices } from '../services.js';
 import type { AstNode, AstReflection, Properties } from '../syntax-tree.js';
 import type { MaybePromise } from '../utils/promise-utils.js';