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/*---------------------------------------------------------------------------------------------
semanticTokensProviderStyling.ts
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import { SemanticTokensLegend, SemanticTokens } from '../languages.js';
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import { FontStyle, MetadataConsts, TokenMetadata } from '../encodedTokenAttributes.js';
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import { IThemeService } from '../../../platform/theme/common/themeService.js';
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import { ILogService, LogLevel } from '../../../platform/log/common/log.js';
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import { SparseMultilineTokens } from '../tokens/sparseMultilineTokens.js';
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import { ILanguageService } from '../languages/language.js';
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const enum SemanticTokensProviderStylingConstants {
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NO_STYLING = 0b01111111111111111111111111111111
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}
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const ENABLE_TRACE = false;
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export class SemanticTokensProviderStyling {
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private readonly _hashTable: HashTable;
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private _hasWarnedOverlappingTokens = false;
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private _hasWarnedInvalidLengthTokens = false;
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private _hasWarnedInvalidEditStart = false;
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constructor(
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private readonly _legend: SemanticTokensLegend,
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@IThemeService private readonly _themeService: IThemeService,
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@ILanguageService private readonly _languageService: ILanguageService,
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@ILogService private readonly _logService: ILogService
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) {
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this._hashTable = new HashTable();
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}
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public getMetadata(tokenTypeIndex: number, tokenModifierSet: number, languageId: string): number {
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const encodedLanguageId = this._languageService.languageIdCodec.encodeLanguageId(languageId);
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const entry = this._hashTable.get(tokenTypeIndex, tokenModifierSet, encodedLanguageId);
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let metadata: number;
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if (entry) {
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metadata = entry.metadata;
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if (ENABLE_TRACE && this._logService.getLevel() === LogLevel.Trace) {
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this._logService.trace(`SemanticTokensProviderStyling [CACHED] ${tokenTypeIndex} / ${tokenModifierSet}: foreground ${TokenMetadata.getForeground(metadata)}, fontStyle ${TokenMetadata.getFontStyle(metadata).toString(2)}`);
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}
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let tokenType = this._legend.tokenTypes[tokenTypeIndex];
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const tokenModifiers: string[] = [];
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if (tokenType) {
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let modifierSet = tokenModifierSet;
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for (let modifierIndex = 0; modifierSet > 0 && modifierIndex < this._legend.tokenModifiers.length; modifierIndex++) {
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if (modifierSet & 1) {
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tokenModifiers.push(this._legend.tokenModifiers[modifierIndex]);