3136 lines
117 KiB
Plaintext
3136 lines
117 KiB
Plaintext
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import { FontStyle } from './types.mjs';
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/*---------------------------------------------------------
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* Copyright (C) Microsoft Corporation. All rights reserved.
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*--------------------------------------------------------*/
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({
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InDebugMode: (typeof process !== 'undefined' && !!process.env['VSCODE_TEXTMATE_DEBUG'])
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});
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/*---------------------------------------------------------
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* Copyright (C) Microsoft Corporation. All rights reserved.
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*--------------------------------------------------------*/
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var EncodedTokenAttributes;
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(function (EncodedTokenAttributes) {
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function toBinaryStr(encodedTokenAttributes) {
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return encodedTokenAttributes.toString(2).padStart(32, "0");
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}
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EncodedTokenAttributes.toBinaryStr = toBinaryStr;
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function print(encodedTokenAttributes) {
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const languageId = EncodedTokenAttributes.getLanguageId(encodedTokenAttributes);
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const tokenType = EncodedTokenAttributes.getTokenType(encodedTokenAttributes);
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const fontStyle = EncodedTokenAttributes.getFontStyle(encodedTokenAttributes);
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const foreground = EncodedTokenAttributes.getForeground(encodedTokenAttributes);
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const background = EncodedTokenAttributes.getBackground(encodedTokenAttributes);
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console.log({
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languageId: languageId,
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tokenType: tokenType,
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fontStyle: fontStyle,
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foreground: foreground,
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background: background,
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});
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}
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EncodedTokenAttributes.print = print;
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function getLanguageId(encodedTokenAttributes) {
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return ((encodedTokenAttributes & 255 /* EncodedTokenDataConsts.LANGUAGEID_MASK */) >>>
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0 /* EncodedTokenDataConsts.LANGUAGEID_OFFSET */);
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}
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EncodedTokenAttributes.getLanguageId = getLanguageId;
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function getTokenType(encodedTokenAttributes) {
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return ((encodedTokenAttributes & 768 /* EncodedTokenDataConsts.TOKEN_TYPE_MASK */) >>>
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8 /* EncodedTokenDataConsts.TOKEN_TYPE_OFFSET */);
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}
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EncodedTokenAttributes.getTokenType = getTokenType;
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function containsBalancedBrackets(encodedTokenAttributes) {
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return (encodedTokenAttributes & 1024 /* EncodedTokenDataConsts.BALANCED_BRACKETS_MASK */) !== 0;
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}
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EncodedTokenAttributes.containsBalancedBrackets = containsBalancedBrackets;
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function getFontStyle(encodedTokenAttributes) {
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return ((encodedTokenAttributes & 30720 /* EncodedTokenDataConsts.FONT_STYLE_MASK */) >>>
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11 /* EncodedTokenDataConsts.FONT_STYLE_OFFSET */);
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}
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EncodedTokenAttributes.getFontStyle = getFontStyle;
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function getForeground(encodedTokenAttributes) {
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return ((encodedTokenAttributes & 16744448 /* EncodedTokenDataConsts.FOREGROUND_MASK */) >>>
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15 /* EncodedTokenDataConsts.FOREGROUND_OFFSET */);
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}
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EncodedTokenAttributes.getForeground = getForeground;
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function getBackground(encodedTokenAttributes) {
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return ((encodedTokenAttributes & 4278190080 /* EncodedTokenDataConsts.BACKGROUND_MASK */) >>>
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24 /* EncodedTokenDataConsts.BACKGROUND_OFFSET */);
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}
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EncodedTokenAttributes.getBackground = getBackground;
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/**
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* Updates the fields in `metadata`.
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* A value of `0`, `NotSet` or `null` indicates that the corresponding field should be left as is.
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*/
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function set(encodedTokenAttributes, languageId, tokenType, containsBalancedBrackets, fontStyle, foreground, background) {
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let _languageId = EncodedTokenAttributes.getLanguageId(encodedTokenAttributes);
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let _tokenType = EncodedTokenAttributes.getTokenType(encodedTokenAttributes);
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let _containsBalancedBracketsBit = EncodedTokenAttributes.containsBalancedBrackets(encodedTokenAttributes) ? 1 : 0;
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let _fontStyle = EncodedTokenAttributes.getFontStyle(encodedTokenAttributes);
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let _foreground = EncodedTokenAttributes.getForeground(encodedTokenAttributes);
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let _background = EncodedTokenAttributes.getBackground(encodedTokenAttributes);
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if (languageId !== 0) {
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_languageId = languageId;
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}
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if (tokenType !== 8 /* OptionalStandardTokenType.NotSet */) {
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_tokenType = fromOptionalTokenType(tokenType);
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}
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if (containsBalancedBrackets !== null) {
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_containsBalancedBracketsBit = containsBalancedBrackets ? 1 : 0;
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}
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if (fontStyle !== -1 /* FontStyle.NotSet */) {
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_fontStyle = fontStyle;
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}
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if (foreground !== 0) {
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_foreground = foreground;
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}
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if (background !== 0) {
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_background = background;
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}
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return (((_languageId << 0 /* EncodedTokenDataConsts.LANGUAGEID_OFFSET */) |
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(_tokenType << 8 /* EncodedTokenDataConsts.TOKEN_TYPE_OFFSET */) |
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(_containsBalancedBracketsBit <<
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10 /* EncodedTokenDataConsts.BALANCED_BRACKETS_OFFSET */) |
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(_fontStyle << 11 /* EncodedTokenDataConsts.FONT_STYLE_OFFSET */) |
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(_foreground << 15 /* EncodedTokenDataConsts.FOREGROUND_OFFSET */) |
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(_background << 24 /* EncodedTokenDataConsts.BACKGROUND_OFFSET */)) >>>
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0);
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}
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EncodedTokenAttributes.set = set;
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})(EncodedTokenAttributes || (EncodedTokenAttributes = {}));
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function toOptionalTokenType(standardType) {
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return standardType;
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}
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function fromOptionalTokenType(standardType) {
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return standardType;
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}
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/*---------------------------------------------------------
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* Copyright (C) Microsoft Corporation. All rights reserved.
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*--------------------------------------------------------*/
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function createMatchers(selector, matchesName) {
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const results = [];
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const tokenizer = newTokenizer(selector);
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let token = tokenizer.next();
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while (token !== null) {
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let priority = 0;
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if (token.length === 2 && token.charAt(1) === ':') {
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switch (token.charAt(0)) {
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case 'R':
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priority = 1;
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break;
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case 'L':
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priority = -1;
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break;
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default:
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console.log(`Unknown priority ${token} in scope selector`);
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}
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token = tokenizer.next();
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}
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let matcher = parseConjunction();
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results.push({ matcher, priority });
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if (token !== ',') {
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break;
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}
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token = tokenizer.next();
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}
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return results;
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function parseOperand() {
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if (token === '-') {
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token = tokenizer.next();
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const expressionToNegate = parseOperand();
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return matcherInput => !!expressionToNegate && !expressionToNegate(matcherInput);
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}
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if (token === '(') {
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token = tokenizer.next();
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const expressionInParents = parseInnerExpression();
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if (token === ')') {
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token = tokenizer.next();
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}
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return expressionInParents;
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}
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if (isIdentifier(token)) {
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const identifiers = [];
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do {
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identifiers.push(token);
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token = tokenizer.next();
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} while (isIdentifier(token));
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return matcherInput => matchesName(identifiers, matcherInput);
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}
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return null;
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}
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function parseConjunction() {
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const matchers = [];
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let matcher = parseOperand();
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while (matcher) {
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matchers.push(matcher);
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matcher = parseOperand();
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}
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return matcherInput => matchers.every(matcher => matcher(matcherInput)); // and
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}
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function parseInnerExpression() {
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const matchers = [];
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let matcher = parseConjunction();
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while (matcher) {
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matchers.push(matcher);
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if (token === '|' || token === ',') {
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do {
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token = tokenizer.next();
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} while (token === '|' || token === ','); // ignore subsequent commas
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}
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else {
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break;
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}
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matcher = parseConjunction();
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}
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return matcherInput => matchers.some(matcher => matcher(matcherInput)); // or
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}
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}
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function isIdentifier(token) {
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return !!token && !!token.match(/[\w\.:]+/);
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}
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function newTokenizer(input) {
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let regex = /([LR]:|[\w\.:][\w\.:\-]*|[\,\|\-\(\)])/g;
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let match = regex.exec(input);
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return {
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next: () => {
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if (!match) {
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return null;
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}
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const res = match[0];
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match = regex.exec(input);
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return res;
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}
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};
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}
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/*---------------------------------------------------------
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* Copyright (C) Microsoft Corporation. All rights reserved.
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*--------------------------------------------------------*/
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function disposeOnigString(str) {
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if (typeof str.dispose === 'function') {
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str.dispose();
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}
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}
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/*---------------------------------------------------------
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* Copyright (C) Microsoft Corporation. All rights reserved.
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*--------------------------------------------------------*/
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function clone(something) {
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return doClone(something);
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}
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function doClone(something) {
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if (Array.isArray(something)) {
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return cloneArray(something);
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}
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if (typeof something === 'object') {
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return cloneObj(something);
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}
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return something;
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}
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function cloneArray(arr) {
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let r = [];
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for (let i = 0, len = arr.length; i < len; i++) {
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r[i] = doClone(arr[i]);
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}
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return r;
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}
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function cloneObj(obj) {
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let r = {};
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for (let key in obj) {
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r[key] = doClone(obj[key]);
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}
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return r;
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}
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function mergeObjects(target, ...sources) {
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sources.forEach(source => {
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for (let key in source) {
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target[key] = source[key];
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}
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});
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return target;
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}
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function basename(path) {
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const idx = ~path.lastIndexOf('/') || ~path.lastIndexOf('\\');
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if (idx === 0) {
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return path;
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}
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else if (~idx === path.length - 1) {
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return basename(path.substring(0, path.length - 1));
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}
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else {
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return path.substr(~idx + 1);
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}
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}
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let CAPTURING_REGEX_SOURCE = /\$(\d+)|\${(\d+):\/(downcase|upcase)}/g;
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class RegexSource {
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static hasCaptures(regexSource) {
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if (regexSource === null) {
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return false;
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}
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CAPTURING_REGEX_SOURCE.lastIndex = 0;
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return CAPTURING_REGEX_SOURCE.test(regexSource);
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}
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static replaceCaptures(regexSource, captureSource, captureIndices) {
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return regexSource.replace(CAPTURING_REGEX_SOURCE, (match, index, commandIndex, command) => {
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let capture = captureIndices[parseInt(index || commandIndex, 10)];
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if (capture) {
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let result = captureSource.substring(capture.start, capture.end);
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// Remove leading dots that would make the selector invalid
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while (result[0] === '.') {
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result = result.substring(1);
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}
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switch (command) {
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case 'downcase':
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return result.toLowerCase();
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case 'upcase':
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return result.toUpperCase();
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default:
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return result;
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}
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}
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else {
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return match;
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}
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});
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}
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}
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function strcmp(a, b) {
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if (a < b) {
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return -1;
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}
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if (a > b) {
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return 1;
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}
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return 0;
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}
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function strArrCmp(a, b) {
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if (a === null && b === null) {
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return 0;
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}
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if (!a) {
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return -1;
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}
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if (!b) {
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return 1;
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}
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let len1 = a.length;
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let len2 = b.length;
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if (len1 === len2) {
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for (let i = 0; i < len1; i++) {
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let res = strcmp(a[i], b[i]);
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if (res !== 0) {
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return res;
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}
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}
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return 0;
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}
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return len1 - len2;
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}
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function isValidHexColor(hex) {
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if (/^#[0-9a-f]{6}$/i.test(hex)) {
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// #rrggbb
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return true;
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}
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if (/^#[0-9a-f]{8}$/i.test(hex)) {
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// #rrggbbaa
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return true;
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}
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if (/^#[0-9a-f]{3}$/i.test(hex)) {
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// #rgb
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return true;
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}
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if (/^#[0-9a-f]{4}$/i.test(hex)) {
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// #rgba
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return true;
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}
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return false;
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}
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/**
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* Escapes regular expression characters in a given string
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*/
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function escapeRegExpCharacters(value) {
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return value.replace(/[\-\\\{\}\*\+\?\|\^\$\.\,\[\]\(\)\#\s]/g, '\\$&');
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}
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class CachedFn {
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fn;
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cache = new Map();
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constructor(fn) {
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this.fn = fn;
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}
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get(key) {
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if (this.cache.has(key)) {
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return this.cache.get(key);
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}
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const value = this.fn(key);
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this.cache.set(key, value);
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return value;
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}
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}
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|
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|
|
/*---------------------------------------------------------
|
||
|
|
* Copyright (C) Microsoft Corporation. All rights reserved.
|
||
|
|
*--------------------------------------------------------*/
|
||
|
|
/**
|
||
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* References the top level rule of a grammar with the given scope name.
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||
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*/
|
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class TopLevelRuleReference {
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scopeName;
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|
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constructor(scopeName) {
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this.scopeName = scopeName;
|
||
|
|
}
|
||
|
|
toKey() {
|
||
|
|
return this.scopeName;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* References a rule of a grammar in the top level repository section with the given name.
|
||
|
|
*/
|
||
|
|
class TopLevelRepositoryRuleReference {
|
||
|
|
scopeName;
|
||
|
|
ruleName;
|
||
|
|
constructor(scopeName, ruleName) {
|
||
|
|
this.scopeName = scopeName;
|
||
|
|
this.ruleName = ruleName;
|
||
|
|
}
|
||
|
|
toKey() {
|
||
|
|
return `${this.scopeName}#${this.ruleName}`;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class ExternalReferenceCollector {
|
||
|
|
_references = [];
|
||
|
|
_seenReferenceKeys = new Set();
|
||
|
|
get references() {
|
||
|
|
return this._references;
|
||
|
|
}
|
||
|
|
visitedRule = new Set();
|
||
|
|
add(reference) {
|
||
|
|
const key = reference.toKey();
|
||
|
|
if (this._seenReferenceKeys.has(key)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this._seenReferenceKeys.add(key);
|
||
|
|
this._references.push(reference);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class ScopeDependencyProcessor {
|
||
|
|
repo;
|
||
|
|
initialScopeName;
|
||
|
|
seenFullScopeRequests = new Set();
|
||
|
|
seenPartialScopeRequests = new Set();
|
||
|
|
Q;
|
||
|
|
constructor(repo, initialScopeName) {
|
||
|
|
this.repo = repo;
|
||
|
|
this.initialScopeName = initialScopeName;
|
||
|
|
this.seenFullScopeRequests.add(this.initialScopeName);
|
||
|
|
this.Q = [new TopLevelRuleReference(this.initialScopeName)];
|
||
|
|
}
|
||
|
|
processQueue() {
|
||
|
|
const q = this.Q;
|
||
|
|
this.Q = [];
|
||
|
|
const deps = new ExternalReferenceCollector();
|
||
|
|
for (const dep of q) {
|
||
|
|
collectReferencesOfReference(dep, this.initialScopeName, this.repo, deps);
|
||
|
|
}
|
||
|
|
for (const dep of deps.references) {
|
||
|
|
if (dep instanceof TopLevelRuleReference) {
|
||
|
|
if (this.seenFullScopeRequests.has(dep.scopeName)) {
|
||
|
|
// already processed
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
this.seenFullScopeRequests.add(dep.scopeName);
|
||
|
|
this.Q.push(dep);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (this.seenFullScopeRequests.has(dep.scopeName)) {
|
||
|
|
// already processed in full
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (this.seenPartialScopeRequests.has(dep.toKey())) {
|
||
|
|
// already processed
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
this.seenPartialScopeRequests.add(dep.toKey());
|
||
|
|
this.Q.push(dep);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function collectReferencesOfReference(reference, baseGrammarScopeName, repo, result) {
|
||
|
|
const selfGrammar = repo.lookup(reference.scopeName);
|
||
|
|
if (!selfGrammar) {
|
||
|
|
if (reference.scopeName === baseGrammarScopeName) {
|
||
|
|
throw new Error(`No grammar provided for <${baseGrammarScopeName}>`);
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const baseGrammar = repo.lookup(baseGrammarScopeName);
|
||
|
|
if (reference instanceof TopLevelRuleReference) {
|
||
|
|
collectExternalReferencesInTopLevelRule({ baseGrammar, selfGrammar }, result);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
collectExternalReferencesInTopLevelRepositoryRule(reference.ruleName, { baseGrammar, selfGrammar, repository: selfGrammar.repository }, result);
|
||
|
|
}
|
||
|
|
const injections = repo.injections(reference.scopeName);
|
||
|
|
if (injections) {
|
||
|
|
for (const injection of injections) {
|
||
|
|
result.add(new TopLevelRuleReference(injection));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function collectExternalReferencesInTopLevelRepositoryRule(ruleName, context, result) {
|
||
|
|
if (context.repository && context.repository[ruleName]) {
|
||
|
|
const rule = context.repository[ruleName];
|
||
|
|
collectExternalReferencesInRules([rule], context, result);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function collectExternalReferencesInTopLevelRule(context, result) {
|
||
|
|
if (context.selfGrammar.patterns && Array.isArray(context.selfGrammar.patterns)) {
|
||
|
|
collectExternalReferencesInRules(context.selfGrammar.patterns, { ...context, repository: context.selfGrammar.repository }, result);
|
||
|
|
}
|
||
|
|
if (context.selfGrammar.injections) {
|
||
|
|
collectExternalReferencesInRules(Object.values(context.selfGrammar.injections), { ...context, repository: context.selfGrammar.repository }, result);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function collectExternalReferencesInRules(rules, context, result) {
|
||
|
|
for (const rule of rules) {
|
||
|
|
if (result.visitedRule.has(rule)) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
result.visitedRule.add(rule);
|
||
|
|
const patternRepository = rule.repository ? mergeObjects({}, context.repository, rule.repository) : context.repository;
|
||
|
|
if (Array.isArray(rule.patterns)) {
|
||
|
|
collectExternalReferencesInRules(rule.patterns, { ...context, repository: patternRepository }, result);
|
||
|
|
}
|
||
|
|
const include = rule.include;
|
||
|
|
if (!include) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
const reference = parseInclude(include);
|
||
|
|
switch (reference.kind) {
|
||
|
|
case 0 /* IncludeReferenceKind.Base */:
|
||
|
|
collectExternalReferencesInTopLevelRule({ ...context, selfGrammar: context.baseGrammar }, result);
|
||
|
|
break;
|
||
|
|
case 1 /* IncludeReferenceKind.Self */:
|
||
|
|
collectExternalReferencesInTopLevelRule(context, result);
|
||
|
|
break;
|
||
|
|
case 2 /* IncludeReferenceKind.RelativeReference */:
|
||
|
|
collectExternalReferencesInTopLevelRepositoryRule(reference.ruleName, { ...context, repository: patternRepository }, result);
|
||
|
|
break;
|
||
|
|
case 3 /* IncludeReferenceKind.TopLevelReference */:
|
||
|
|
case 4 /* IncludeReferenceKind.TopLevelRepositoryReference */:
|
||
|
|
const selfGrammar = reference.scopeName === context.selfGrammar.scopeName
|
||
|
|
? context.selfGrammar
|
||
|
|
: reference.scopeName === context.baseGrammar.scopeName
|
||
|
|
? context.baseGrammar
|
||
|
|
: undefined;
|
||
|
|
if (selfGrammar) {
|
||
|
|
const newContext = { baseGrammar: context.baseGrammar, selfGrammar, repository: patternRepository };
|
||
|
|
if (reference.kind === 4 /* IncludeReferenceKind.TopLevelRepositoryReference */) {
|
||
|
|
collectExternalReferencesInTopLevelRepositoryRule(reference.ruleName, newContext, result);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
collectExternalReferencesInTopLevelRule(newContext, result);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (reference.kind === 4 /* IncludeReferenceKind.TopLevelRepositoryReference */) {
|
||
|
|
result.add(new TopLevelRepositoryRuleReference(reference.scopeName, reference.ruleName));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
result.add(new TopLevelRuleReference(reference.scopeName));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class BaseReference {
|
||
|
|
kind = 0 /* IncludeReferenceKind.Base */;
|
||
|
|
}
|
||
|
|
class SelfReference {
|
||
|
|
kind = 1 /* IncludeReferenceKind.Self */;
|
||
|
|
}
|
||
|
|
class RelativeReference {
|
||
|
|
ruleName;
|
||
|
|
kind = 2 /* IncludeReferenceKind.RelativeReference */;
|
||
|
|
constructor(ruleName) {
|
||
|
|
this.ruleName = ruleName;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class TopLevelReference {
|
||
|
|
scopeName;
|
||
|
|
kind = 3 /* IncludeReferenceKind.TopLevelReference */;
|
||
|
|
constructor(scopeName) {
|
||
|
|
this.scopeName = scopeName;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class TopLevelRepositoryReference {
|
||
|
|
scopeName;
|
||
|
|
ruleName;
|
||
|
|
kind = 4 /* IncludeReferenceKind.TopLevelRepositoryReference */;
|
||
|
|
constructor(scopeName, ruleName) {
|
||
|
|
this.scopeName = scopeName;
|
||
|
|
this.ruleName = ruleName;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function parseInclude(include) {
|
||
|
|
if (include === '$base') {
|
||
|
|
return new BaseReference();
|
||
|
|
}
|
||
|
|
else if (include === '$self') {
|
||
|
|
return new SelfReference();
|
||
|
|
}
|
||
|
|
const indexOfSharp = include.indexOf("#");
|
||
|
|
if (indexOfSharp === -1) {
|
||
|
|
return new TopLevelReference(include);
|
||
|
|
}
|
||
|
|
else if (indexOfSharp === 0) {
|
||
|
|
return new RelativeReference(include.substring(1));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
const scopeName = include.substring(0, indexOfSharp);
|
||
|
|
const ruleName = include.substring(indexOfSharp + 1);
|
||
|
|
return new TopLevelRepositoryReference(scopeName, ruleName);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*---------------------------------------------------------
|
||
|
|
* Copyright (C) Microsoft Corporation. All rights reserved.
|
||
|
|
*--------------------------------------------------------*/
|
||
|
|
const HAS_BACK_REFERENCES = /\\(\d+)/;
|
||
|
|
const BACK_REFERENCING_END = /\\(\d+)/g;
|
||
|
|
// This is a special constant to indicate that the end regexp matched.
|
||
|
|
const endRuleId = -1;
|
||
|
|
// This is a special constant to indicate that the while regexp matched.
|
||
|
|
const whileRuleId = -2;
|
||
|
|
function ruleIdFromNumber(id) {
|
||
|
|
return id;
|
||
|
|
}
|
||
|
|
function ruleIdToNumber(id) {
|
||
|
|
return id;
|
||
|
|
}
|
||
|
|
class Rule {
|
||
|
|
$location;
|
||
|
|
id;
|
||
|
|
_nameIsCapturing;
|
||
|
|
_name;
|
||
|
|
_contentNameIsCapturing;
|
||
|
|
_contentName;
|
||
|
|
constructor($location, id, name, contentName) {
|
||
|
|
this.$location = $location;
|
||
|
|
this.id = id;
|
||
|
|
this._name = name || null;
|
||
|
|
this._nameIsCapturing = RegexSource.hasCaptures(this._name);
|
||
|
|
this._contentName = contentName || null;
|
||
|
|
this._contentNameIsCapturing = RegexSource.hasCaptures(this._contentName);
|
||
|
|
}
|
||
|
|
get debugName() {
|
||
|
|
const location = this.$location ? `${basename(this.$location.filename)}:${this.$location.line}` : 'unknown';
|
||
|
|
return `${this.constructor.name}#${this.id} @ ${location}`;
|
||
|
|
}
|
||
|
|
getName(lineText, captureIndices) {
|
||
|
|
if (!this._nameIsCapturing || this._name === null || lineText === null || captureIndices === null) {
|
||
|
|
return this._name;
|
||
|
|
}
|
||
|
|
return RegexSource.replaceCaptures(this._name, lineText, captureIndices);
|
||
|
|
}
|
||
|
|
getContentName(lineText, captureIndices) {
|
||
|
|
if (!this._contentNameIsCapturing || this._contentName === null) {
|
||
|
|
return this._contentName;
|
||
|
|
}
|
||
|
|
return RegexSource.replaceCaptures(this._contentName, lineText, captureIndices);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class CaptureRule extends Rule {
|
||
|
|
retokenizeCapturedWithRuleId;
|
||
|
|
constructor($location, id, name, contentName, retokenizeCapturedWithRuleId) {
|
||
|
|
super($location, id, name, contentName);
|
||
|
|
this.retokenizeCapturedWithRuleId = retokenizeCapturedWithRuleId;
|
||
|
|
}
|
||
|
|
dispose() {
|
||
|
|
// nothing to dispose
|
||
|
|
}
|
||
|
|
collectPatterns(grammar, out) {
|
||
|
|
throw new Error('Not supported!');
|
||
|
|
}
|
||
|
|
compile(grammar, endRegexSource) {
|
||
|
|
throw new Error('Not supported!');
|
||
|
|
}
|
||
|
|
compileAG(grammar, endRegexSource, allowA, allowG) {
|
||
|
|
throw new Error('Not supported!');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class MatchRule extends Rule {
|
||
|
|
_match;
|
||
|
|
captures;
|
||
|
|
_cachedCompiledPatterns;
|
||
|
|
constructor($location, id, name, match, captures) {
|
||
|
|
super($location, id, name, null);
|
||
|
|
this._match = new RegExpSource(match, this.id);
|
||
|
|
this.captures = captures;
|
||
|
|
this._cachedCompiledPatterns = null;
|
||
|
|
}
|
||
|
|
dispose() {
|
||
|
|
if (this._cachedCompiledPatterns) {
|
||
|
|
this._cachedCompiledPatterns.dispose();
|
||
|
|
this._cachedCompiledPatterns = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
get debugMatchRegExp() {
|
||
|
|
return `${this._match.source}`;
|
||
|
|
}
|
||
|
|
collectPatterns(grammar, out) {
|
||
|
|
out.push(this._match);
|
||
|
|
}
|
||
|
|
compile(grammar, endRegexSource) {
|
||
|
|
return this._getCachedCompiledPatterns(grammar).compile(grammar);
|
||
|
|
}
|
||
|
|
compileAG(grammar, endRegexSource, allowA, allowG) {
|
||
|
|
return this._getCachedCompiledPatterns(grammar).compileAG(grammar, allowA, allowG);
|
||
|
|
}
|
||
|
|
_getCachedCompiledPatterns(grammar) {
|
||
|
|
if (!this._cachedCompiledPatterns) {
|
||
|
|
this._cachedCompiledPatterns = new RegExpSourceList();
|
||
|
|
this.collectPatterns(grammar, this._cachedCompiledPatterns);
|
||
|
|
}
|
||
|
|
return this._cachedCompiledPatterns;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class IncludeOnlyRule extends Rule {
|
||
|
|
hasMissingPatterns;
|
||
|
|
patterns;
|
||
|
|
_cachedCompiledPatterns;
|
||
|
|
constructor($location, id, name, contentName, patterns) {
|
||
|
|
super($location, id, name, contentName);
|
||
|
|
this.patterns = patterns.patterns;
|
||
|
|
this.hasMissingPatterns = patterns.hasMissingPatterns;
|
||
|
|
this._cachedCompiledPatterns = null;
|
||
|
|
}
|
||
|
|
dispose() {
|
||
|
|
if (this._cachedCompiledPatterns) {
|
||
|
|
this._cachedCompiledPatterns.dispose();
|
||
|
|
this._cachedCompiledPatterns = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
collectPatterns(grammar, out) {
|
||
|
|
for (const pattern of this.patterns) {
|
||
|
|
const rule = grammar.getRule(pattern);
|
||
|
|
rule.collectPatterns(grammar, out);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
compile(grammar, endRegexSource) {
|
||
|
|
return this._getCachedCompiledPatterns(grammar).compile(grammar);
|
||
|
|
}
|
||
|
|
compileAG(grammar, endRegexSource, allowA, allowG) {
|
||
|
|
return this._getCachedCompiledPatterns(grammar).compileAG(grammar, allowA, allowG);
|
||
|
|
}
|
||
|
|
_getCachedCompiledPatterns(grammar) {
|
||
|
|
if (!this._cachedCompiledPatterns) {
|
||
|
|
this._cachedCompiledPatterns = new RegExpSourceList();
|
||
|
|
this.collectPatterns(grammar, this._cachedCompiledPatterns);
|
||
|
|
}
|
||
|
|
return this._cachedCompiledPatterns;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class BeginEndRule extends Rule {
|
||
|
|
_begin;
|
||
|
|
beginCaptures;
|
||
|
|
_end;
|
||
|
|
endHasBackReferences;
|
||
|
|
endCaptures;
|
||
|
|
applyEndPatternLast;
|
||
|
|
hasMissingPatterns;
|
||
|
|
patterns;
|
||
|
|
_cachedCompiledPatterns;
|
||
|
|
constructor($location, id, name, contentName, begin, beginCaptures, end, endCaptures, applyEndPatternLast, patterns) {
|
||
|
|
super($location, id, name, contentName);
|
||
|
|
this._begin = new RegExpSource(begin, this.id);
|
||
|
|
this.beginCaptures = beginCaptures;
|
||
|
|
this._end = new RegExpSource(end ? end : '\uFFFF', -1);
|
||
|
|
this.endHasBackReferences = this._end.hasBackReferences;
|
||
|
|
this.endCaptures = endCaptures;
|
||
|
|
this.applyEndPatternLast = applyEndPatternLast || false;
|
||
|
|
this.patterns = patterns.patterns;
|
||
|
|
this.hasMissingPatterns = patterns.hasMissingPatterns;
|
||
|
|
this._cachedCompiledPatterns = null;
|
||
|
|
}
|
||
|
|
dispose() {
|
||
|
|
if (this._cachedCompiledPatterns) {
|
||
|
|
this._cachedCompiledPatterns.dispose();
|
||
|
|
this._cachedCompiledPatterns = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
get debugBeginRegExp() {
|
||
|
|
return `${this._begin.source}`;
|
||
|
|
}
|
||
|
|
get debugEndRegExp() {
|
||
|
|
return `${this._end.source}`;
|
||
|
|
}
|
||
|
|
getEndWithResolvedBackReferences(lineText, captureIndices) {
|
||
|
|
return this._end.resolveBackReferences(lineText, captureIndices);
|
||
|
|
}
|
||
|
|
collectPatterns(grammar, out) {
|
||
|
|
out.push(this._begin);
|
||
|
|
}
|
||
|
|
compile(grammar, endRegexSource) {
|
||
|
|
return this._getCachedCompiledPatterns(grammar, endRegexSource).compile(grammar);
|
||
|
|
}
|
||
|
|
compileAG(grammar, endRegexSource, allowA, allowG) {
|
||
|
|
return this._getCachedCompiledPatterns(grammar, endRegexSource).compileAG(grammar, allowA, allowG);
|
||
|
|
}
|
||
|
|
_getCachedCompiledPatterns(grammar, endRegexSource) {
|
||
|
|
if (!this._cachedCompiledPatterns) {
|
||
|
|
this._cachedCompiledPatterns = new RegExpSourceList();
|
||
|
|
for (const pattern of this.patterns) {
|
||
|
|
const rule = grammar.getRule(pattern);
|
||
|
|
rule.collectPatterns(grammar, this._cachedCompiledPatterns);
|
||
|
|
}
|
||
|
|
if (this.applyEndPatternLast) {
|
||
|
|
this._cachedCompiledPatterns.push(this._end.hasBackReferences ? this._end.clone() : this._end);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this._cachedCompiledPatterns.unshift(this._end.hasBackReferences ? this._end.clone() : this._end);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (this._end.hasBackReferences) {
|
||
|
|
if (this.applyEndPatternLast) {
|
||
|
|
this._cachedCompiledPatterns.setSource(this._cachedCompiledPatterns.length() - 1, endRegexSource);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this._cachedCompiledPatterns.setSource(0, endRegexSource);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return this._cachedCompiledPatterns;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class BeginWhileRule extends Rule {
|
||
|
|
_begin;
|
||
|
|
beginCaptures;
|
||
|
|
whileCaptures;
|
||
|
|
_while;
|
||
|
|
whileHasBackReferences;
|
||
|
|
hasMissingPatterns;
|
||
|
|
patterns;
|
||
|
|
_cachedCompiledPatterns;
|
||
|
|
_cachedCompiledWhilePatterns;
|
||
|
|
constructor($location, id, name, contentName, begin, beginCaptures, _while, whileCaptures, patterns) {
|
||
|
|
super($location, id, name, contentName);
|
||
|
|
this._begin = new RegExpSource(begin, this.id);
|
||
|
|
this.beginCaptures = beginCaptures;
|
||
|
|
this.whileCaptures = whileCaptures;
|
||
|
|
this._while = new RegExpSource(_while, whileRuleId);
|
||
|
|
this.whileHasBackReferences = this._while.hasBackReferences;
|
||
|
|
this.patterns = patterns.patterns;
|
||
|
|
this.hasMissingPatterns = patterns.hasMissingPatterns;
|
||
|
|
this._cachedCompiledPatterns = null;
|
||
|
|
this._cachedCompiledWhilePatterns = null;
|
||
|
|
}
|
||
|
|
dispose() {
|
||
|
|
if (this._cachedCompiledPatterns) {
|
||
|
|
this._cachedCompiledPatterns.dispose();
|
||
|
|
this._cachedCompiledPatterns = null;
|
||
|
|
}
|
||
|
|
if (this._cachedCompiledWhilePatterns) {
|
||
|
|
this._cachedCompiledWhilePatterns.dispose();
|
||
|
|
this._cachedCompiledWhilePatterns = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
get debugBeginRegExp() {
|
||
|
|
return `${this._begin.source}`;
|
||
|
|
}
|
||
|
|
get debugWhileRegExp() {
|
||
|
|
return `${this._while.source}`;
|
||
|
|
}
|
||
|
|
getWhileWithResolvedBackReferences(lineText, captureIndices) {
|
||
|
|
return this._while.resolveBackReferences(lineText, captureIndices);
|
||
|
|
}
|
||
|
|
collectPatterns(grammar, out) {
|
||
|
|
out.push(this._begin);
|
||
|
|
}
|
||
|
|
compile(grammar, endRegexSource) {
|
||
|
|
return this._getCachedCompiledPatterns(grammar).compile(grammar);
|
||
|
|
}
|
||
|
|
compileAG(grammar, endRegexSource, allowA, allowG) {
|
||
|
|
return this._getCachedCompiledPatterns(grammar).compileAG(grammar, allowA, allowG);
|
||
|
|
}
|
||
|
|
_getCachedCompiledPatterns(grammar) {
|
||
|
|
if (!this._cachedCompiledPatterns) {
|
||
|
|
this._cachedCompiledPatterns = new RegExpSourceList();
|
||
|
|
for (const pattern of this.patterns) {
|
||
|
|
const rule = grammar.getRule(pattern);
|
||
|
|
rule.collectPatterns(grammar, this._cachedCompiledPatterns);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return this._cachedCompiledPatterns;
|
||
|
|
}
|
||
|
|
compileWhile(grammar, endRegexSource) {
|
||
|
|
return this._getCachedCompiledWhilePatterns(grammar, endRegexSource).compile(grammar);
|
||
|
|
}
|
||
|
|
compileWhileAG(grammar, endRegexSource, allowA, allowG) {
|
||
|
|
return this._getCachedCompiledWhilePatterns(grammar, endRegexSource).compileAG(grammar, allowA, allowG);
|
||
|
|
}
|
||
|
|
_getCachedCompiledWhilePatterns(grammar, endRegexSource) {
|
||
|
|
if (!this._cachedCompiledWhilePatterns) {
|
||
|
|
this._cachedCompiledWhilePatterns = new RegExpSourceList();
|
||
|
|
this._cachedCompiledWhilePatterns.push(this._while.hasBackReferences ? this._while.clone() : this._while);
|
||
|
|
}
|
||
|
|
if (this._while.hasBackReferences) {
|
||
|
|
this._cachedCompiledWhilePatterns.setSource(0, endRegexSource ? endRegexSource : '\uFFFF');
|
||
|
|
}
|
||
|
|
return this._cachedCompiledWhilePatterns;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class RuleFactory {
|
||
|
|
static createCaptureRule(helper, $location, name, contentName, retokenizeCapturedWithRuleId) {
|
||
|
|
return helper.registerRule((id) => {
|
||
|
|
return new CaptureRule($location, id, name, contentName, retokenizeCapturedWithRuleId);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
static getCompiledRuleId(desc, helper, repository) {
|
||
|
|
if (!desc.id) {
|
||
|
|
helper.registerRule((id) => {
|
||
|
|
desc.id = id;
|
||
|
|
if (desc.match) {
|
||
|
|
return new MatchRule(desc.$vscodeTextmateLocation, desc.id, desc.name, desc.match, RuleFactory._compileCaptures(desc.captures, helper, repository));
|
||
|
|
}
|
||
|
|
if (typeof desc.begin === 'undefined') {
|
||
|
|
if (desc.repository) {
|
||
|
|
repository = mergeObjects({}, repository, desc.repository);
|
||
|
|
}
|
||
|
|
let patterns = desc.patterns;
|
||
|
|
if (typeof patterns === 'undefined' && desc.include) {
|
||
|
|
patterns = [{ include: desc.include }];
|
||
|
|
}
|
||
|
|
return new IncludeOnlyRule(desc.$vscodeTextmateLocation, desc.id, desc.name, desc.contentName, RuleFactory._compilePatterns(patterns, helper, repository));
|
||
|
|
}
|
||
|
|
if (desc.while) {
|
||
|
|
return new BeginWhileRule(desc.$vscodeTextmateLocation, desc.id, desc.name, desc.contentName, desc.begin, RuleFactory._compileCaptures(desc.beginCaptures || desc.captures, helper, repository), desc.while, RuleFactory._compileCaptures(desc.whileCaptures || desc.captures, helper, repository), RuleFactory._compilePatterns(desc.patterns, helper, repository));
|
||
|
|
}
|
||
|
|
return new BeginEndRule(desc.$vscodeTextmateLocation, desc.id, desc.name, desc.contentName, desc.begin, RuleFactory._compileCaptures(desc.beginCaptures || desc.captures, helper, repository), desc.end, RuleFactory._compileCaptures(desc.endCaptures || desc.captures, helper, repository), desc.applyEndPatternLast, RuleFactory._compilePatterns(desc.patterns, helper, repository));
|
||
|
|
});
|
||
|
|
}
|
||
|
|
return desc.id;
|
||
|
|
}
|
||
|
|
static _compileCaptures(captures, helper, repository) {
|
||
|
|
let r = [];
|
||
|
|
if (captures) {
|
||
|
|
// Find the maximum capture id
|
||
|
|
let maximumCaptureId = 0;
|
||
|
|
for (const captureId in captures) {
|
||
|
|
if (captureId === '$vscodeTextmateLocation') {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
const numericCaptureId = parseInt(captureId, 10);
|
||
|
|
if (numericCaptureId > maximumCaptureId) {
|
||
|
|
maximumCaptureId = numericCaptureId;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// Initialize result
|
||
|
|
for (let i = 0; i <= maximumCaptureId; i++) {
|
||
|
|
r[i] = null;
|
||
|
|
}
|
||
|
|
// Fill out result
|
||
|
|
for (const captureId in captures) {
|
||
|
|
if (captureId === '$vscodeTextmateLocation') {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
const numericCaptureId = parseInt(captureId, 10);
|
||
|
|
let retokenizeCapturedWithRuleId = 0;
|
||
|
|
if (captures[captureId].patterns) {
|
||
|
|
retokenizeCapturedWithRuleId = RuleFactory.getCompiledRuleId(captures[captureId], helper, repository);
|
||
|
|
}
|
||
|
|
r[numericCaptureId] = RuleFactory.createCaptureRule(helper, captures[captureId].$vscodeTextmateLocation, captures[captureId].name, captures[captureId].contentName, retokenizeCapturedWithRuleId);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return r;
|
||
|
|
}
|
||
|
|
static _compilePatterns(patterns, helper, repository) {
|
||
|
|
let r = [];
|
||
|
|
if (patterns) {
|
||
|
|
for (let i = 0, len = patterns.length; i < len; i++) {
|
||
|
|
const pattern = patterns[i];
|
||
|
|
let ruleId = -1;
|
||
|
|
if (pattern.include) {
|
||
|
|
const reference = parseInclude(pattern.include);
|
||
|
|
switch (reference.kind) {
|
||
|
|
case 0 /* IncludeReferenceKind.Base */:
|
||
|
|
case 1 /* IncludeReferenceKind.Self */:
|
||
|
|
ruleId = RuleFactory.getCompiledRuleId(repository[pattern.include], helper, repository);
|
||
|
|
break;
|
||
|
|
case 2 /* IncludeReferenceKind.RelativeReference */:
|
||
|
|
// Local include found in `repository`
|
||
|
|
let localIncludedRule = repository[reference.ruleName];
|
||
|
|
if (localIncludedRule) {
|
||
|
|
ruleId = RuleFactory.getCompiledRuleId(localIncludedRule, helper, repository);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 3 /* IncludeReferenceKind.TopLevelReference */:
|
||
|
|
case 4 /* IncludeReferenceKind.TopLevelRepositoryReference */:
|
||
|
|
const externalGrammarName = reference.scopeName;
|
||
|
|
const externalGrammarInclude = reference.kind === 4 /* IncludeReferenceKind.TopLevelRepositoryReference */
|
||
|
|
? reference.ruleName
|
||
|
|
: null;
|
||
|
|
// External include
|
||
|
|
const externalGrammar = helper.getExternalGrammar(externalGrammarName, repository);
|
||
|
|
if (externalGrammar) {
|
||
|
|
if (externalGrammarInclude) {
|
||
|
|
let externalIncludedRule = externalGrammar.repository[externalGrammarInclude];
|
||
|
|
if (externalIncludedRule) {
|
||
|
|
ruleId = RuleFactory.getCompiledRuleId(externalIncludedRule, helper, externalGrammar.repository);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
ruleId = RuleFactory.getCompiledRuleId(externalGrammar.repository.$self, helper, externalGrammar.repository);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
ruleId = RuleFactory.getCompiledRuleId(pattern, helper, repository);
|
||
|
|
}
|
||
|
|
if (ruleId !== -1) {
|
||
|
|
const rule = helper.getRule(ruleId);
|
||
|
|
let skipRule = false;
|
||
|
|
if (rule instanceof IncludeOnlyRule || rule instanceof BeginEndRule || rule instanceof BeginWhileRule) {
|
||
|
|
if (rule.hasMissingPatterns && rule.patterns.length === 0) {
|
||
|
|
skipRule = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (skipRule) {
|
||
|
|
// console.log('REMOVING RULE ENTIRELY DUE TO EMPTY PATTERNS THAT ARE MISSING');
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
r.push(ruleId);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
patterns: r,
|
||
|
|
hasMissingPatterns: ((patterns ? patterns.length : 0) !== r.length)
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class RegExpSource {
|
||
|
|
source;
|
||
|
|
ruleId;
|
||
|
|
hasAnchor;
|
||
|
|
hasBackReferences;
|
||
|
|
_anchorCache;
|
||
|
|
constructor(regExpSource, ruleId) {
|
||
|
|
if (regExpSource) {
|
||
|
|
const len = regExpSource.length;
|
||
|
|
let lastPushedPos = 0;
|
||
|
|
let output = [];
|
||
|
|
let hasAnchor = false;
|
||
|
|
for (let pos = 0; pos < len; pos++) {
|
||
|
|
const ch = regExpSource.charAt(pos);
|
||
|
|
if (ch === '\\') {
|
||
|
|
if (pos + 1 < len) {
|
||
|
|
const nextCh = regExpSource.charAt(pos + 1);
|
||
|
|
if (nextCh === 'z') {
|
||
|
|
output.push(regExpSource.substring(lastPushedPos, pos));
|
||
|
|
output.push('$(?!\\n)(?<!\\n)');
|
||
|
|
lastPushedPos = pos + 2;
|
||
|
|
}
|
||
|
|
else if (nextCh === 'A' || nextCh === 'G') {
|
||
|
|
hasAnchor = true;
|
||
|
|
}
|
||
|
|
pos++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this.hasAnchor = hasAnchor;
|
||
|
|
if (lastPushedPos === 0) {
|
||
|
|
// No \z hit
|
||
|
|
this.source = regExpSource;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
output.push(regExpSource.substring(lastPushedPos, len));
|
||
|
|
this.source = output.join('');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.hasAnchor = false;
|
||
|
|
this.source = regExpSource;
|
||
|
|
}
|
||
|
|
if (this.hasAnchor) {
|
||
|
|
this._anchorCache = this._buildAnchorCache();
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this._anchorCache = null;
|
||
|
|
}
|
||
|
|
this.ruleId = ruleId;
|
||
|
|
this.hasBackReferences = HAS_BACK_REFERENCES.test(this.source);
|
||
|
|
// console.log('input: ' + regExpSource + ' => ' + this.source + ', ' + this.hasAnchor);
|
||
|
|
}
|
||
|
|
clone() {
|
||
|
|
return new RegExpSource(this.source, this.ruleId);
|
||
|
|
}
|
||
|
|
setSource(newSource) {
|
||
|
|
if (this.source === newSource) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.source = newSource;
|
||
|
|
if (this.hasAnchor) {
|
||
|
|
this._anchorCache = this._buildAnchorCache();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
resolveBackReferences(lineText, captureIndices) {
|
||
|
|
let capturedValues = captureIndices.map((capture) => {
|
||
|
|
return lineText.substring(capture.start, capture.end);
|
||
|
|
});
|
||
|
|
BACK_REFERENCING_END.lastIndex = 0;
|
||
|
|
return this.source.replace(BACK_REFERENCING_END, (match, g1) => {
|
||
|
|
return escapeRegExpCharacters(capturedValues[parseInt(g1, 10)] || '');
|
||
|
|
});
|
||
|
|
}
|
||
|
|
_buildAnchorCache() {
|
||
|
|
let A0_G0_result = [];
|
||
|
|
let A0_G1_result = [];
|
||
|
|
let A1_G0_result = [];
|
||
|
|
let A1_G1_result = [];
|
||
|
|
let pos, len, ch, nextCh;
|
||
|
|
for (pos = 0, len = this.source.length; pos < len; pos++) {
|
||
|
|
ch = this.source.charAt(pos);
|
||
|
|
A0_G0_result[pos] = ch;
|
||
|
|
A0_G1_result[pos] = ch;
|
||
|
|
A1_G0_result[pos] = ch;
|
||
|
|
A1_G1_result[pos] = ch;
|
||
|
|
if (ch === '\\') {
|
||
|
|
if (pos + 1 < len) {
|
||
|
|
nextCh = this.source.charAt(pos + 1);
|
||
|
|
if (nextCh === 'A') {
|
||
|
|
A0_G0_result[pos + 1] = '\uFFFF';
|
||
|
|
A0_G1_result[pos + 1] = '\uFFFF';
|
||
|
|
A1_G0_result[pos + 1] = 'A';
|
||
|
|
A1_G1_result[pos + 1] = 'A';
|
||
|
|
}
|
||
|
|
else if (nextCh === 'G') {
|
||
|
|
A0_G0_result[pos + 1] = '\uFFFF';
|
||
|
|
A0_G1_result[pos + 1] = 'G';
|
||
|
|
A1_G0_result[pos + 1] = '\uFFFF';
|
||
|
|
A1_G1_result[pos + 1] = 'G';
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
A0_G0_result[pos + 1] = nextCh;
|
||
|
|
A0_G1_result[pos + 1] = nextCh;
|
||
|
|
A1_G0_result[pos + 1] = nextCh;
|
||
|
|
A1_G1_result[pos + 1] = nextCh;
|
||
|
|
}
|
||
|
|
pos++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
A0_G0: A0_G0_result.join(''),
|
||
|
|
A0_G1: A0_G1_result.join(''),
|
||
|
|
A1_G0: A1_G0_result.join(''),
|
||
|
|
A1_G1: A1_G1_result.join('')
|
||
|
|
};
|
||
|
|
}
|
||
|
|
resolveAnchors(allowA, allowG) {
|
||
|
|
if (!this.hasAnchor || !this._anchorCache) {
|
||
|
|
return this.source;
|
||
|
|
}
|
||
|
|
if (allowA) {
|
||
|
|
if (allowG) {
|
||
|
|
return this._anchorCache.A1_G1;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
return this._anchorCache.A1_G0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (allowG) {
|
||
|
|
return this._anchorCache.A0_G1;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
return this._anchorCache.A0_G0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class RegExpSourceList {
|
||
|
|
_items;
|
||
|
|
_hasAnchors;
|
||
|
|
_cached;
|
||
|
|
_anchorCache;
|
||
|
|
constructor() {
|
||
|
|
this._items = [];
|
||
|
|
this._hasAnchors = false;
|
||
|
|
this._cached = null;
|
||
|
|
this._anchorCache = {
|
||
|
|
A0_G0: null,
|
||
|
|
A0_G1: null,
|
||
|
|
A1_G0: null,
|
||
|
|
A1_G1: null
|
||
|
|
};
|
||
|
|
}
|
||
|
|
dispose() {
|
||
|
|
this._disposeCaches();
|
||
|
|
}
|
||
|
|
_disposeCaches() {
|
||
|
|
if (this._cached) {
|
||
|
|
this._cached.dispose();
|
||
|
|
this._cached = null;
|
||
|
|
}
|
||
|
|
if (this._anchorCache.A0_G0) {
|
||
|
|
this._anchorCache.A0_G0.dispose();
|
||
|
|
this._anchorCache.A0_G0 = null;
|
||
|
|
}
|
||
|
|
if (this._anchorCache.A0_G1) {
|
||
|
|
this._anchorCache.A0_G1.dispose();
|
||
|
|
this._anchorCache.A0_G1 = null;
|
||
|
|
}
|
||
|
|
if (this._anchorCache.A1_G0) {
|
||
|
|
this._anchorCache.A1_G0.dispose();
|
||
|
|
this._anchorCache.A1_G0 = null;
|
||
|
|
}
|
||
|
|
if (this._anchorCache.A1_G1) {
|
||
|
|
this._anchorCache.A1_G1.dispose();
|
||
|
|
this._anchorCache.A1_G1 = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
push(item) {
|
||
|
|
this._items.push(item);
|
||
|
|
this._hasAnchors = this._hasAnchors || item.hasAnchor;
|
||
|
|
}
|
||
|
|
unshift(item) {
|
||
|
|
this._items.unshift(item);
|
||
|
|
this._hasAnchors = this._hasAnchors || item.hasAnchor;
|
||
|
|
}
|
||
|
|
length() {
|
||
|
|
return this._items.length;
|
||
|
|
}
|
||
|
|
setSource(index, newSource) {
|
||
|
|
if (this._items[index].source !== newSource) {
|
||
|
|
// bust the cache
|
||
|
|
this._disposeCaches();
|
||
|
|
this._items[index].setSource(newSource);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
compile(onigLib) {
|
||
|
|
if (!this._cached) {
|
||
|
|
let regExps = this._items.map(e => e.source);
|
||
|
|
this._cached = new CompiledRule(onigLib, regExps, this._items.map(e => e.ruleId));
|
||
|
|
}
|
||
|
|
return this._cached;
|
||
|
|
}
|
||
|
|
compileAG(onigLib, allowA, allowG) {
|
||
|
|
if (!this._hasAnchors) {
|
||
|
|
return this.compile(onigLib);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (allowA) {
|
||
|
|
if (allowG) {
|
||
|
|
if (!this._anchorCache.A1_G1) {
|
||
|
|
this._anchorCache.A1_G1 = this._resolveAnchors(onigLib, allowA, allowG);
|
||
|
|
}
|
||
|
|
return this._anchorCache.A1_G1;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (!this._anchorCache.A1_G0) {
|
||
|
|
this._anchorCache.A1_G0 = this._resolveAnchors(onigLib, allowA, allowG);
|
||
|
|
}
|
||
|
|
return this._anchorCache.A1_G0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (allowG) {
|
||
|
|
if (!this._anchorCache.A0_G1) {
|
||
|
|
this._anchorCache.A0_G1 = this._resolveAnchors(onigLib, allowA, allowG);
|
||
|
|
}
|
||
|
|
return this._anchorCache.A0_G1;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (!this._anchorCache.A0_G0) {
|
||
|
|
this._anchorCache.A0_G0 = this._resolveAnchors(onigLib, allowA, allowG);
|
||
|
|
}
|
||
|
|
return this._anchorCache.A0_G0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_resolveAnchors(onigLib, allowA, allowG) {
|
||
|
|
let regExps = this._items.map(e => e.resolveAnchors(allowA, allowG));
|
||
|
|
return new CompiledRule(onigLib, regExps, this._items.map(e => e.ruleId));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class CompiledRule {
|
||
|
|
regExps;
|
||
|
|
rules;
|
||
|
|
scanner;
|
||
|
|
constructor(onigLib, regExps, rules) {
|
||
|
|
this.regExps = regExps;
|
||
|
|
this.rules = rules;
|
||
|
|
this.scanner = onigLib.createOnigScanner(regExps);
|
||
|
|
}
|
||
|
|
dispose() {
|
||
|
|
if (typeof this.scanner.dispose === "function") {
|
||
|
|
this.scanner.dispose();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
toString() {
|
||
|
|
const r = [];
|
||
|
|
for (let i = 0, len = this.rules.length; i < len; i++) {
|
||
|
|
r.push(" - " + this.rules[i] + ": " + this.regExps[i]);
|
||
|
|
}
|
||
|
|
return r.join("\n");
|
||
|
|
}
|
||
|
|
findNextMatchSync(string, startPosition, options) {
|
||
|
|
const result = this.scanner.findNextMatchSync(string, startPosition, options);
|
||
|
|
if (!result) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
ruleId: this.rules[result.index],
|
||
|
|
captureIndices: result.captureIndices,
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*---------------------------------------------------------
|
||
|
|
* Copyright (C) Microsoft Corporation. All rights reserved.
|
||
|
|
*--------------------------------------------------------*/
|
||
|
|
class Theme {
|
||
|
|
_colorMap;
|
||
|
|
_defaults;
|
||
|
|
_root;
|
||
|
|
static createFromRawTheme(source, colorMap) {
|
||
|
|
return this.createFromParsedTheme(parseTheme(source), colorMap);
|
||
|
|
}
|
||
|
|
static createFromParsedTheme(source, colorMap) {
|
||
|
|
return resolveParsedThemeRules(source, colorMap);
|
||
|
|
}
|
||
|
|
_cachedMatchRoot = new CachedFn((scopeName) => this._root.match(scopeName));
|
||
|
|
constructor(_colorMap, _defaults, _root) {
|
||
|
|
this._colorMap = _colorMap;
|
||
|
|
this._defaults = _defaults;
|
||
|
|
this._root = _root;
|
||
|
|
}
|
||
|
|
getColorMap() {
|
||
|
|
return this._colorMap.getColorMap();
|
||
|
|
}
|
||
|
|
getDefaults() {
|
||
|
|
return this._defaults;
|
||
|
|
}
|
||
|
|
match(scopePath) {
|
||
|
|
if (scopePath === null) {
|
||
|
|
return this._defaults;
|
||
|
|
}
|
||
|
|
const scopeName = scopePath.scopeName;
|
||
|
|
const matchingTrieElements = this._cachedMatchRoot.get(scopeName);
|
||
|
|
const effectiveRule = matchingTrieElements.find((v) => _scopePathMatchesParentScopes(scopePath.parent, v.parentScopes));
|
||
|
|
if (!effectiveRule) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
return new StyleAttributes(effectiveRule.fontStyle, effectiveRule.foreground, effectiveRule.background);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class ScopeStack {
|
||
|
|
parent;
|
||
|
|
scopeName;
|
||
|
|
static push(path, scopeNames) {
|
||
|
|
for (const name of scopeNames) {
|
||
|
|
path = new ScopeStack(path, name);
|
||
|
|
}
|
||
|
|
return path;
|
||
|
|
}
|
||
|
|
static from(...segments) {
|
||
|
|
let result = null;
|
||
|
|
for (let i = 0; i < segments.length; i++) {
|
||
|
|
result = new ScopeStack(result, segments[i]);
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
constructor(parent, scopeName) {
|
||
|
|
this.parent = parent;
|
||
|
|
this.scopeName = scopeName;
|
||
|
|
}
|
||
|
|
push(scopeName) {
|
||
|
|
return new ScopeStack(this, scopeName);
|
||
|
|
}
|
||
|
|
getSegments() {
|
||
|
|
let item = this;
|
||
|
|
const result = [];
|
||
|
|
while (item) {
|
||
|
|
result.push(item.scopeName);
|
||
|
|
item = item.parent;
|
||
|
|
}
|
||
|
|
result.reverse();
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
toString() {
|
||
|
|
return this.getSegments().join(' ');
|
||
|
|
}
|
||
|
|
extends(other) {
|
||
|
|
if (this === other) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
if (this.parent === null) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return this.parent.extends(other);
|
||
|
|
}
|
||
|
|
getExtensionIfDefined(base) {
|
||
|
|
const result = [];
|
||
|
|
let item = this;
|
||
|
|
while (item && item !== base) {
|
||
|
|
result.push(item.scopeName);
|
||
|
|
item = item.parent;
|
||
|
|
}
|
||
|
|
return item === base ? result.reverse() : undefined;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function _scopePathMatchesParentScopes(scopePath, parentScopes) {
|
||
|
|
if (parentScopes === null) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
let index = 0;
|
||
|
|
let scopePattern = parentScopes[index];
|
||
|
|
while (scopePath) {
|
||
|
|
if (_matchesScope(scopePath.scopeName, scopePattern)) {
|
||
|
|
index++;
|
||
|
|
if (index === parentScopes.length) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
scopePattern = parentScopes[index];
|
||
|
|
}
|
||
|
|
scopePath = scopePath.parent;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
function _matchesScope(scopeName, scopePattern) {
|
||
|
|
return scopePattern === scopeName || (scopeName.startsWith(scopePattern) && scopeName[scopePattern.length] === '.');
|
||
|
|
}
|
||
|
|
class StyleAttributes {
|
||
|
|
fontStyle;
|
||
|
|
foregroundId;
|
||
|
|
backgroundId;
|
||
|
|
constructor(fontStyle, foregroundId, backgroundId) {
|
||
|
|
this.fontStyle = fontStyle;
|
||
|
|
this.foregroundId = foregroundId;
|
||
|
|
this.backgroundId = backgroundId;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Parse a raw theme into rules.
|
||
|
|
*/
|
||
|
|
function parseTheme(source) {
|
||
|
|
if (!source) {
|
||
|
|
return [];
|
||
|
|
}
|
||
|
|
if (!source.settings || !Array.isArray(source.settings)) {
|
||
|
|
return [];
|
||
|
|
}
|
||
|
|
let settings = source.settings;
|
||
|
|
let result = [], resultLen = 0;
|
||
|
|
for (let i = 0, len = settings.length; i < len; i++) {
|
||
|
|
let entry = settings[i];
|
||
|
|
if (!entry.settings) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
let scopes;
|
||
|
|
if (typeof entry.scope === 'string') {
|
||
|
|
let _scope = entry.scope;
|
||
|
|
// remove leading commas
|
||
|
|
_scope = _scope.replace(/^[,]+/, '');
|
||
|
|
// remove trailing commans
|
||
|
|
_scope = _scope.replace(/[,]+$/, '');
|
||
|
|
scopes = _scope.split(',');
|
||
|
|
}
|
||
|
|
else if (Array.isArray(entry.scope)) {
|
||
|
|
scopes = entry.scope;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
scopes = [''];
|
||
|
|
}
|
||
|
|
let fontStyle = -1 /* FontStyle.NotSet */;
|
||
|
|
if (typeof entry.settings.fontStyle === 'string') {
|
||
|
|
fontStyle = 0 /* FontStyle.None */;
|
||
|
|
let segments = entry.settings.fontStyle.split(' ');
|
||
|
|
for (let j = 0, lenJ = segments.length; j < lenJ; j++) {
|
||
|
|
let segment = segments[j];
|
||
|
|
switch (segment) {
|
||
|
|
case 'italic':
|
||
|
|
fontStyle = fontStyle | 1 /* FontStyle.Italic */;
|
||
|
|
break;
|
||
|
|
case 'bold':
|
||
|
|
fontStyle = fontStyle | 2 /* FontStyle.Bold */;
|
||
|
|
break;
|
||
|
|
case 'underline':
|
||
|
|
fontStyle = fontStyle | 4 /* FontStyle.Underline */;
|
||
|
|
break;
|
||
|
|
case 'strikethrough':
|
||
|
|
fontStyle = fontStyle | 8 /* FontStyle.Strikethrough */;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
let foreground = null;
|
||
|
|
if (typeof entry.settings.foreground === 'string' && isValidHexColor(entry.settings.foreground)) {
|
||
|
|
foreground = entry.settings.foreground;
|
||
|
|
}
|
||
|
|
let background = null;
|
||
|
|
if (typeof entry.settings.background === 'string' && isValidHexColor(entry.settings.background)) {
|
||
|
|
background = entry.settings.background;
|
||
|
|
}
|
||
|
|
for (let j = 0, lenJ = scopes.length; j < lenJ; j++) {
|
||
|
|
let _scope = scopes[j].trim();
|
||
|
|
let segments = _scope.split(' ');
|
||
|
|
let scope = segments[segments.length - 1];
|
||
|
|
let parentScopes = null;
|
||
|
|
if (segments.length > 1) {
|
||
|
|
parentScopes = segments.slice(0, segments.length - 1);
|
||
|
|
parentScopes.reverse();
|
||
|
|
}
|
||
|
|
result[resultLen++] = new ParsedThemeRule(scope, parentScopes, i, fontStyle, foreground, background);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
class ParsedThemeRule {
|
||
|
|
scope;
|
||
|
|
parentScopes;
|
||
|
|
index;
|
||
|
|
fontStyle;
|
||
|
|
foreground;
|
||
|
|
background;
|
||
|
|
constructor(scope, parentScopes, index, fontStyle, foreground, background) {
|
||
|
|
this.scope = scope;
|
||
|
|
this.parentScopes = parentScopes;
|
||
|
|
this.index = index;
|
||
|
|
this.fontStyle = fontStyle;
|
||
|
|
this.foreground = foreground;
|
||
|
|
this.background = background;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Resolve rules (i.e. inheritance).
|
||
|
|
*/
|
||
|
|
function resolveParsedThemeRules(parsedThemeRules, _colorMap) {
|
||
|
|
// Sort rules lexicographically, and then by index if necessary
|
||
|
|
parsedThemeRules.sort((a, b) => {
|
||
|
|
let r = strcmp(a.scope, b.scope);
|
||
|
|
if (r !== 0) {
|
||
|
|
return r;
|
||
|
|
}
|
||
|
|
r = strArrCmp(a.parentScopes, b.parentScopes);
|
||
|
|
if (r !== 0) {
|
||
|
|
return r;
|
||
|
|
}
|
||
|
|
return a.index - b.index;
|
||
|
|
});
|
||
|
|
// Determine defaults
|
||
|
|
let defaultFontStyle = 0 /* FontStyle.None */;
|
||
|
|
let defaultForeground = '#000000';
|
||
|
|
let defaultBackground = '#ffffff';
|
||
|
|
while (parsedThemeRules.length >= 1 && parsedThemeRules[0].scope === '') {
|
||
|
|
let incomingDefaults = parsedThemeRules.shift();
|
||
|
|
if (incomingDefaults.fontStyle !== -1 /* FontStyle.NotSet */) {
|
||
|
|
defaultFontStyle = incomingDefaults.fontStyle;
|
||
|
|
}
|
||
|
|
if (incomingDefaults.foreground !== null) {
|
||
|
|
defaultForeground = incomingDefaults.foreground;
|
||
|
|
}
|
||
|
|
if (incomingDefaults.background !== null) {
|
||
|
|
defaultBackground = incomingDefaults.background;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
let colorMap = new ColorMap(_colorMap);
|
||
|
|
let defaults = new StyleAttributes(defaultFontStyle, colorMap.getId(defaultForeground), colorMap.getId(defaultBackground));
|
||
|
|
let root = new ThemeTrieElement(new ThemeTrieElementRule(0, null, -1 /* FontStyle.NotSet */, 0, 0), []);
|
||
|
|
for (let i = 0, len = parsedThemeRules.length; i < len; i++) {
|
||
|
|
let rule = parsedThemeRules[i];
|
||
|
|
root.insert(0, rule.scope, rule.parentScopes, rule.fontStyle, colorMap.getId(rule.foreground), colorMap.getId(rule.background));
|
||
|
|
}
|
||
|
|
return new Theme(colorMap, defaults, root);
|
||
|
|
}
|
||
|
|
class ColorMap {
|
||
|
|
_isFrozen;
|
||
|
|
_lastColorId;
|
||
|
|
_id2color;
|
||
|
|
_color2id;
|
||
|
|
constructor(_colorMap) {
|
||
|
|
this._lastColorId = 0;
|
||
|
|
this._id2color = [];
|
||
|
|
this._color2id = Object.create(null);
|
||
|
|
if (Array.isArray(_colorMap)) {
|
||
|
|
this._isFrozen = true;
|
||
|
|
for (let i = 0, len = _colorMap.length; i < len; i++) {
|
||
|
|
this._color2id[_colorMap[i]] = i;
|
||
|
|
this._id2color[i] = _colorMap[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this._isFrozen = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
getId(color) {
|
||
|
|
if (color === null) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
color = color.toUpperCase();
|
||
|
|
let value = this._color2id[color];
|
||
|
|
if (value) {
|
||
|
|
return value;
|
||
|
|
}
|
||
|
|
if (this._isFrozen) {
|
||
|
|
throw new Error(`Missing color in color map - ${color}`);
|
||
|
|
}
|
||
|
|
value = ++this._lastColorId;
|
||
|
|
this._color2id[color] = value;
|
||
|
|
this._id2color[value] = color;
|
||
|
|
return value;
|
||
|
|
}
|
||
|
|
getColorMap() {
|
||
|
|
return this._id2color.slice(0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class ThemeTrieElementRule {
|
||
|
|
scopeDepth;
|
||
|
|
parentScopes;
|
||
|
|
fontStyle;
|
||
|
|
foreground;
|
||
|
|
background;
|
||
|
|
constructor(scopeDepth, parentScopes, fontStyle, foreground, background) {
|
||
|
|
this.scopeDepth = scopeDepth;
|
||
|
|
this.parentScopes = parentScopes;
|
||
|
|
this.fontStyle = fontStyle;
|
||
|
|
this.foreground = foreground;
|
||
|
|
this.background = background;
|
||
|
|
}
|
||
|
|
clone() {
|
||
|
|
return new ThemeTrieElementRule(this.scopeDepth, this.parentScopes, this.fontStyle, this.foreground, this.background);
|
||
|
|
}
|
||
|
|
static cloneArr(arr) {
|
||
|
|
let r = [];
|
||
|
|
for (let i = 0, len = arr.length; i < len; i++) {
|
||
|
|
r[i] = arr[i].clone();
|
||
|
|
}
|
||
|
|
return r;
|
||
|
|
}
|
||
|
|
acceptOverwrite(scopeDepth, fontStyle, foreground, background) {
|
||
|
|
if (this.scopeDepth > scopeDepth) {
|
||
|
|
console.log('how did this happen?');
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.scopeDepth = scopeDepth;
|
||
|
|
}
|
||
|
|
// console.log('TODO -> my depth: ' + this.scopeDepth + ', overwriting depth: ' + scopeDepth);
|
||
|
|
if (fontStyle !== -1 /* FontStyle.NotSet */) {
|
||
|
|
this.fontStyle = fontStyle;
|
||
|
|
}
|
||
|
|
if (foreground !== 0) {
|
||
|
|
this.foreground = foreground;
|
||
|
|
}
|
||
|
|
if (background !== 0) {
|
||
|
|
this.background = background;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class ThemeTrieElement {
|
||
|
|
_mainRule;
|
||
|
|
_children;
|
||
|
|
_rulesWithParentScopes;
|
||
|
|
constructor(_mainRule, rulesWithParentScopes = [], _children = {}) {
|
||
|
|
this._mainRule = _mainRule;
|
||
|
|
this._children = _children;
|
||
|
|
this._rulesWithParentScopes = rulesWithParentScopes;
|
||
|
|
}
|
||
|
|
static _sortBySpecificity(arr) {
|
||
|
|
if (arr.length === 1) {
|
||
|
|
return arr;
|
||
|
|
}
|
||
|
|
arr.sort(this._cmpBySpecificity);
|
||
|
|
return arr;
|
||
|
|
}
|
||
|
|
static _cmpBySpecificity(a, b) {
|
||
|
|
if (a.scopeDepth === b.scopeDepth) {
|
||
|
|
const aParentScopes = a.parentScopes;
|
||
|
|
const bParentScopes = b.parentScopes;
|
||
|
|
let aParentScopesLen = aParentScopes === null ? 0 : aParentScopes.length;
|
||
|
|
let bParentScopesLen = bParentScopes === null ? 0 : bParentScopes.length;
|
||
|
|
if (aParentScopesLen === bParentScopesLen) {
|
||
|
|
for (let i = 0; i < aParentScopesLen; i++) {
|
||
|
|
const aLen = aParentScopes[i].length;
|
||
|
|
const bLen = bParentScopes[i].length;
|
||
|
|
if (aLen !== bLen) {
|
||
|
|
return bLen - aLen;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return bParentScopesLen - aParentScopesLen;
|
||
|
|
}
|
||
|
|
return b.scopeDepth - a.scopeDepth;
|
||
|
|
}
|
||
|
|
match(scope) {
|
||
|
|
if (scope === '') {
|
||
|
|
return ThemeTrieElement._sortBySpecificity([].concat(this._mainRule).concat(this._rulesWithParentScopes));
|
||
|
|
}
|
||
|
|
let dotIndex = scope.indexOf('.');
|
||
|
|
let head;
|
||
|
|
let tail;
|
||
|
|
if (dotIndex === -1) {
|
||
|
|
head = scope;
|
||
|
|
tail = '';
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
head = scope.substring(0, dotIndex);
|
||
|
|
tail = scope.substring(dotIndex + 1);
|
||
|
|
}
|
||
|
|
if (this._children.hasOwnProperty(head)) {
|
||
|
|
return this._children[head].match(tail);
|
||
|
|
}
|
||
|
|
return ThemeTrieElement._sortBySpecificity([].concat(this._mainRule).concat(this._rulesWithParentScopes));
|
||
|
|
}
|
||
|
|
insert(scopeDepth, scope, parentScopes, fontStyle, foreground, background) {
|
||
|
|
if (scope === '') {
|
||
|
|
this._doInsertHere(scopeDepth, parentScopes, fontStyle, foreground, background);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
let dotIndex = scope.indexOf('.');
|
||
|
|
let head;
|
||
|
|
let tail;
|
||
|
|
if (dotIndex === -1) {
|
||
|
|
head = scope;
|
||
|
|
tail = '';
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
head = scope.substring(0, dotIndex);
|
||
|
|
tail = scope.substring(dotIndex + 1);
|
||
|
|
}
|
||
|
|
let child;
|
||
|
|
if (this._children.hasOwnProperty(head)) {
|
||
|
|
child = this._children[head];
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
child = new ThemeTrieElement(this._mainRule.clone(), ThemeTrieElementRule.cloneArr(this._rulesWithParentScopes));
|
||
|
|
this._children[head] = child;
|
||
|
|
}
|
||
|
|
child.insert(scopeDepth + 1, tail, parentScopes, fontStyle, foreground, background);
|
||
|
|
}
|
||
|
|
_doInsertHere(scopeDepth, parentScopes, fontStyle, foreground, background) {
|
||
|
|
if (parentScopes === null) {
|
||
|
|
// Merge into the main rule
|
||
|
|
this._mainRule.acceptOverwrite(scopeDepth, fontStyle, foreground, background);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
// Try to merge into existing rule
|
||
|
|
for (let i = 0, len = this._rulesWithParentScopes.length; i < len; i++) {
|
||
|
|
let rule = this._rulesWithParentScopes[i];
|
||
|
|
if (strArrCmp(rule.parentScopes, parentScopes) === 0) {
|
||
|
|
// bingo! => we get to merge this into an existing one
|
||
|
|
rule.acceptOverwrite(scopeDepth, fontStyle, foreground, background);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// Must add a new rule
|
||
|
|
// Inherit from main rule
|
||
|
|
if (fontStyle === -1 /* FontStyle.NotSet */) {
|
||
|
|
fontStyle = this._mainRule.fontStyle;
|
||
|
|
}
|
||
|
|
if (foreground === 0) {
|
||
|
|
foreground = this._mainRule.foreground;
|
||
|
|
}
|
||
|
|
if (background === 0) {
|
||
|
|
background = this._mainRule.background;
|
||
|
|
}
|
||
|
|
this._rulesWithParentScopes.push(new ThemeTrieElementRule(scopeDepth, parentScopes, fontStyle, foreground, background));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*---------------------------------------------------------
|
||
|
|
* Copyright (C) Microsoft Corporation. All rights reserved.
|
||
|
|
*--------------------------------------------------------*/
|
||
|
|
class BasicScopeAttributes {
|
||
|
|
languageId;
|
||
|
|
tokenType;
|
||
|
|
constructor(languageId, tokenType) {
|
||
|
|
this.languageId = languageId;
|
||
|
|
this.tokenType = tokenType;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class BasicScopeAttributesProvider {
|
||
|
|
_defaultAttributes;
|
||
|
|
_embeddedLanguagesMatcher;
|
||
|
|
constructor(initialLanguageId, embeddedLanguages) {
|
||
|
|
this._defaultAttributes = new BasicScopeAttributes(initialLanguageId, 8 /* OptionalStandardTokenType.NotSet */);
|
||
|
|
this._embeddedLanguagesMatcher = new ScopeMatcher(Object.entries(embeddedLanguages || {}));
|
||
|
|
}
|
||
|
|
getDefaultAttributes() {
|
||
|
|
return this._defaultAttributes;
|
||
|
|
}
|
||
|
|
getBasicScopeAttributes(scopeName) {
|
||
|
|
if (scopeName === null) {
|
||
|
|
return BasicScopeAttributesProvider._NULL_SCOPE_METADATA;
|
||
|
|
}
|
||
|
|
return this._getBasicScopeAttributes.get(scopeName);
|
||
|
|
}
|
||
|
|
static _NULL_SCOPE_METADATA = new BasicScopeAttributes(0, 0);
|
||
|
|
_getBasicScopeAttributes = new CachedFn((scopeName) => {
|
||
|
|
const languageId = this._scopeToLanguage(scopeName);
|
||
|
|
const standardTokenType = this._toStandardTokenType(scopeName);
|
||
|
|
return new BasicScopeAttributes(languageId, standardTokenType);
|
||
|
|
});
|
||
|
|
/**
|
||
|
|
* Given a produced TM scope, return the language that token describes or null if unknown.
|
||
|
|
* e.g. source.html => html, source.css.embedded.html => css, punctuation.definition.tag.html => null
|
||
|
|
*/
|
||
|
|
_scopeToLanguage(scope) {
|
||
|
|
return this._embeddedLanguagesMatcher.match(scope) || 0;
|
||
|
|
}
|
||
|
|
_toStandardTokenType(scopeName) {
|
||
|
|
const m = scopeName.match(BasicScopeAttributesProvider.STANDARD_TOKEN_TYPE_REGEXP);
|
||
|
|
if (!m) {
|
||
|
|
return 8 /* OptionalStandardTokenType.NotSet */;
|
||
|
|
}
|
||
|
|
switch (m[1]) {
|
||
|
|
case "comment":
|
||
|
|
return 1 /* OptionalStandardTokenType.Comment */;
|
||
|
|
case "string":
|
||
|
|
return 2 /* OptionalStandardTokenType.String */;
|
||
|
|
case "regex":
|
||
|
|
return 3 /* OptionalStandardTokenType.RegEx */;
|
||
|
|
case "meta.embedded":
|
||
|
|
return 0 /* OptionalStandardTokenType.Other */;
|
||
|
|
}
|
||
|
|
throw new Error("Unexpected match for standard token type!");
|
||
|
|
}
|
||
|
|
static STANDARD_TOKEN_TYPE_REGEXP = /\b(comment|string|regex|meta\.embedded)\b/;
|
||
|
|
}
|
||
|
|
class ScopeMatcher {
|
||
|
|
values;
|
||
|
|
scopesRegExp;
|
||
|
|
constructor(values) {
|
||
|
|
if (values.length === 0) {
|
||
|
|
this.values = null;
|
||
|
|
this.scopesRegExp = null;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.values = new Map(values);
|
||
|
|
// create the regex
|
||
|
|
const escapedScopes = values.map(([scopeName, value]) => escapeRegExpCharacters(scopeName));
|
||
|
|
escapedScopes.sort();
|
||
|
|
escapedScopes.reverse(); // Longest scope first
|
||
|
|
this.scopesRegExp = new RegExp(`^((${escapedScopes.join(")|(")}))($|\\.)`, "");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
match(scope) {
|
||
|
|
if (!this.scopesRegExp) {
|
||
|
|
return undefined;
|
||
|
|
}
|
||
|
|
const m = scope.match(this.scopesRegExp);
|
||
|
|
if (!m) {
|
||
|
|
// no scopes matched
|
||
|
|
return undefined;
|
||
|
|
}
|
||
|
|
return this.values.get(m[1]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*---------------------------------------------------------
|
||
|
|
* Copyright (C) Microsoft Corporation. All rights reserved.
|
||
|
|
*--------------------------------------------------------*/
|
||
|
|
class TokenizeStringResult {
|
||
|
|
stack;
|
||
|
|
stoppedEarly;
|
||
|
|
constructor(stack, stoppedEarly) {
|
||
|
|
this.stack = stack;
|
||
|
|
this.stoppedEarly = stoppedEarly;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Tokenize a string
|
||
|
|
* @param grammar
|
||
|
|
* @param lineText
|
||
|
|
* @param isFirstLine
|
||
|
|
* @param linePos
|
||
|
|
* @param stack
|
||
|
|
* @param lineTokens
|
||
|
|
* @param checkWhileConditions
|
||
|
|
* @param timeLimit Use `0` to indicate no time limit
|
||
|
|
* @returns the StackElement or StackElement.TIME_LIMIT_REACHED if the time limit has been reached
|
||
|
|
*/
|
||
|
|
function _tokenizeString(grammar, lineText, isFirstLine, linePos, stack, lineTokens, checkWhileConditions, timeLimit) {
|
||
|
|
const lineLength = lineText.content.length;
|
||
|
|
let STOP = false;
|
||
|
|
let anchorPosition = -1;
|
||
|
|
if (checkWhileConditions) {
|
||
|
|
const whileCheckResult = _checkWhileConditions(grammar, lineText, isFirstLine, linePos, stack, lineTokens);
|
||
|
|
stack = whileCheckResult.stack;
|
||
|
|
linePos = whileCheckResult.linePos;
|
||
|
|
isFirstLine = whileCheckResult.isFirstLine;
|
||
|
|
anchorPosition = whileCheckResult.anchorPosition;
|
||
|
|
}
|
||
|
|
const startTime = Date.now();
|
||
|
|
while (!STOP) {
|
||
|
|
if (timeLimit !== 0) {
|
||
|
|
const elapsedTime = Date.now() - startTime;
|
||
|
|
if (elapsedTime > timeLimit) {
|
||
|
|
return new TokenizeStringResult(stack, true);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
scanNext(); // potentially modifies linePos && anchorPosition
|
||
|
|
}
|
||
|
|
return new TokenizeStringResult(stack, false);
|
||
|
|
function scanNext() {
|
||
|
|
const r = matchRuleOrInjections(grammar, lineText, isFirstLine, linePos, stack, anchorPosition);
|
||
|
|
if (!r) {
|
||
|
|
// No match
|
||
|
|
lineTokens.produce(stack, lineLength);
|
||
|
|
STOP = true;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const captureIndices = r.captureIndices;
|
||
|
|
const matchedRuleId = r.matchedRuleId;
|
||
|
|
const hasAdvanced = captureIndices && captureIndices.length > 0
|
||
|
|
? captureIndices[0].end > linePos
|
||
|
|
: false;
|
||
|
|
if (matchedRuleId === endRuleId) {
|
||
|
|
// We matched the `end` for this rule => pop it
|
||
|
|
const poppedRule = stack.getRule(grammar);
|
||
|
|
lineTokens.produce(stack, captureIndices[0].start);
|
||
|
|
stack = stack.withContentNameScopesList(stack.nameScopesList);
|
||
|
|
handleCaptures(grammar, lineText, isFirstLine, stack, lineTokens, poppedRule.endCaptures, captureIndices);
|
||
|
|
lineTokens.produce(stack, captureIndices[0].end);
|
||
|
|
// pop
|
||
|
|
const popped = stack;
|
||
|
|
stack = stack.parent;
|
||
|
|
anchorPosition = popped.getAnchorPos();
|
||
|
|
if (!hasAdvanced && popped.getEnterPos() === linePos) {
|
||
|
|
// See https://github.com/Microsoft/vscode-textmate/issues/12
|
||
|
|
// Let's assume this was a mistake by the grammar author and the intent was to continue in this state
|
||
|
|
stack = popped;
|
||
|
|
lineTokens.produce(stack, lineLength);
|
||
|
|
STOP = true;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// We matched a rule!
|
||
|
|
const _rule = grammar.getRule(matchedRuleId);
|
||
|
|
lineTokens.produce(stack, captureIndices[0].start);
|
||
|
|
const beforePush = stack;
|
||
|
|
// push it on the stack rule
|
||
|
|
const scopeName = _rule.getName(lineText.content, captureIndices);
|
||
|
|
const nameScopesList = stack.contentNameScopesList.pushAttributed(scopeName, grammar);
|
||
|
|
stack = stack.push(matchedRuleId, linePos, anchorPosition, captureIndices[0].end === lineLength, null, nameScopesList, nameScopesList);
|
||
|
|
if (_rule instanceof BeginEndRule) {
|
||
|
|
const pushedRule = _rule;
|
||
|
|
handleCaptures(grammar, lineText, isFirstLine, stack, lineTokens, pushedRule.beginCaptures, captureIndices);
|
||
|
|
lineTokens.produce(stack, captureIndices[0].end);
|
||
|
|
anchorPosition = captureIndices[0].end;
|
||
|
|
const contentName = pushedRule.getContentName(lineText.content, captureIndices);
|
||
|
|
const contentNameScopesList = nameScopesList.pushAttributed(contentName, grammar);
|
||
|
|
stack = stack.withContentNameScopesList(contentNameScopesList);
|
||
|
|
if (pushedRule.endHasBackReferences) {
|
||
|
|
stack = stack.withEndRule(pushedRule.getEndWithResolvedBackReferences(lineText.content, captureIndices));
|
||
|
|
}
|
||
|
|
if (!hasAdvanced && beforePush.hasSameRuleAs(stack)) {
|
||
|
|
stack = stack.pop();
|
||
|
|
lineTokens.produce(stack, lineLength);
|
||
|
|
STOP = true;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (_rule instanceof BeginWhileRule) {
|
||
|
|
const pushedRule = _rule;
|
||
|
|
handleCaptures(grammar, lineText, isFirstLine, stack, lineTokens, pushedRule.beginCaptures, captureIndices);
|
||
|
|
lineTokens.produce(stack, captureIndices[0].end);
|
||
|
|
anchorPosition = captureIndices[0].end;
|
||
|
|
const contentName = pushedRule.getContentName(lineText.content, captureIndices);
|
||
|
|
const contentNameScopesList = nameScopesList.pushAttributed(contentName, grammar);
|
||
|
|
stack = stack.withContentNameScopesList(contentNameScopesList);
|
||
|
|
if (pushedRule.whileHasBackReferences) {
|
||
|
|
stack = stack.withEndRule(pushedRule.getWhileWithResolvedBackReferences(lineText.content, captureIndices));
|
||
|
|
}
|
||
|
|
if (!hasAdvanced && beforePush.hasSameRuleAs(stack)) {
|
||
|
|
stack = stack.pop();
|
||
|
|
lineTokens.produce(stack, lineLength);
|
||
|
|
STOP = true;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
const matchingRule = _rule;
|
||
|
|
handleCaptures(grammar, lineText, isFirstLine, stack, lineTokens, matchingRule.captures, captureIndices);
|
||
|
|
lineTokens.produce(stack, captureIndices[0].end);
|
||
|
|
// pop rule immediately since it is a MatchRule
|
||
|
|
stack = stack.pop();
|
||
|
|
if (!hasAdvanced) {
|
||
|
|
stack = stack.safePop();
|
||
|
|
lineTokens.produce(stack, lineLength);
|
||
|
|
STOP = true;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (captureIndices[0].end > linePos) {
|
||
|
|
// Advance stream
|
||
|
|
linePos = captureIndices[0].end;
|
||
|
|
isFirstLine = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Walk the stack from bottom to top, and check each while condition in this order.
|
||
|
|
* If any fails, cut off the entire stack above the failed while condition. While conditions
|
||
|
|
* may also advance the linePosition.
|
||
|
|
*/
|
||
|
|
function _checkWhileConditions(grammar, lineText, isFirstLine, linePos, stack, lineTokens) {
|
||
|
|
let anchorPosition = (stack.beginRuleCapturedEOL ? 0 : -1);
|
||
|
|
const whileRules = [];
|
||
|
|
for (let node = stack; node; node = node.pop()) {
|
||
|
|
const nodeRule = node.getRule(grammar);
|
||
|
|
if (nodeRule instanceof BeginWhileRule) {
|
||
|
|
whileRules.push({
|
||
|
|
rule: nodeRule,
|
||
|
|
stack: node
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
for (let whileRule = whileRules.pop(); whileRule; whileRule = whileRules.pop()) {
|
||
|
|
const { ruleScanner, findOptions } = prepareRuleWhileSearch(whileRule.rule, grammar, whileRule.stack.endRule, isFirstLine, linePos === anchorPosition);
|
||
|
|
const r = ruleScanner.findNextMatchSync(lineText, linePos, findOptions);
|
||
|
|
if (r) {
|
||
|
|
const matchedRuleId = r.ruleId;
|
||
|
|
if (matchedRuleId !== whileRuleId) {
|
||
|
|
// we shouldn't end up here
|
||
|
|
stack = whileRule.stack.pop();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (r.captureIndices && r.captureIndices.length) {
|
||
|
|
lineTokens.produce(whileRule.stack, r.captureIndices[0].start);
|
||
|
|
handleCaptures(grammar, lineText, isFirstLine, whileRule.stack, lineTokens, whileRule.rule.whileCaptures, r.captureIndices);
|
||
|
|
lineTokens.produce(whileRule.stack, r.captureIndices[0].end);
|
||
|
|
anchorPosition = r.captureIndices[0].end;
|
||
|
|
if (r.captureIndices[0].end > linePos) {
|
||
|
|
linePos = r.captureIndices[0].end;
|
||
|
|
isFirstLine = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
stack = whileRule.stack.pop();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return { stack: stack, linePos: linePos, anchorPosition: anchorPosition, isFirstLine: isFirstLine };
|
||
|
|
}
|
||
|
|
function matchRuleOrInjections(grammar, lineText, isFirstLine, linePos, stack, anchorPosition) {
|
||
|
|
// Look for normal grammar rule
|
||
|
|
const matchResult = matchRule(grammar, lineText, isFirstLine, linePos, stack, anchorPosition);
|
||
|
|
// Look for injected rules
|
||
|
|
const injections = grammar.getInjections();
|
||
|
|
if (injections.length === 0) {
|
||
|
|
// No injections whatsoever => early return
|
||
|
|
return matchResult;
|
||
|
|
}
|
||
|
|
const injectionResult = matchInjections(injections, grammar, lineText, isFirstLine, linePos, stack, anchorPosition);
|
||
|
|
if (!injectionResult) {
|
||
|
|
// No injections matched => early return
|
||
|
|
return matchResult;
|
||
|
|
}
|
||
|
|
if (!matchResult) {
|
||
|
|
// Only injections matched => early return
|
||
|
|
return injectionResult;
|
||
|
|
}
|
||
|
|
// Decide if `matchResult` or `injectionResult` should win
|
||
|
|
const matchResultScore = matchResult.captureIndices[0].start;
|
||
|
|
const injectionResultScore = injectionResult.captureIndices[0].start;
|
||
|
|
if (injectionResultScore < matchResultScore || (injectionResult.priorityMatch && injectionResultScore === matchResultScore)) {
|
||
|
|
// injection won!
|
||
|
|
return injectionResult;
|
||
|
|
}
|
||
|
|
return matchResult;
|
||
|
|
}
|
||
|
|
function matchRule(grammar, lineText, isFirstLine, linePos, stack, anchorPosition) {
|
||
|
|
const rule = stack.getRule(grammar);
|
||
|
|
const { ruleScanner, findOptions } = prepareRuleSearch(rule, grammar, stack.endRule, isFirstLine, linePos === anchorPosition);
|
||
|
|
const r = ruleScanner.findNextMatchSync(lineText, linePos, findOptions);
|
||
|
|
if (r) {
|
||
|
|
return {
|
||
|
|
captureIndices: r.captureIndices,
|
||
|
|
matchedRuleId: r.ruleId
|
||
|
|
};
|
||
|
|
}
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
function matchInjections(injections, grammar, lineText, isFirstLine, linePos, stack, anchorPosition) {
|
||
|
|
// The lower the better
|
||
|
|
let bestMatchRating = Number.MAX_VALUE;
|
||
|
|
let bestMatchCaptureIndices = null;
|
||
|
|
let bestMatchRuleId;
|
||
|
|
let bestMatchResultPriority = 0;
|
||
|
|
const scopes = stack.contentNameScopesList.getScopeNames();
|
||
|
|
for (let i = 0, len = injections.length; i < len; i++) {
|
||
|
|
const injection = injections[i];
|
||
|
|
if (!injection.matcher(scopes)) {
|
||
|
|
// injection selector doesn't match stack
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
const rule = grammar.getRule(injection.ruleId);
|
||
|
|
const { ruleScanner, findOptions } = prepareRuleSearch(rule, grammar, null, isFirstLine, linePos === anchorPosition);
|
||
|
|
const matchResult = ruleScanner.findNextMatchSync(lineText, linePos, findOptions);
|
||
|
|
if (!matchResult) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
const matchRating = matchResult.captureIndices[0].start;
|
||
|
|
if (matchRating >= bestMatchRating) {
|
||
|
|
// Injections are sorted by priority, so the previous injection had a better or equal priority
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
bestMatchRating = matchRating;
|
||
|
|
bestMatchCaptureIndices = matchResult.captureIndices;
|
||
|
|
bestMatchRuleId = matchResult.ruleId;
|
||
|
|
bestMatchResultPriority = injection.priority;
|
||
|
|
if (bestMatchRating === linePos) {
|
||
|
|
// No more need to look at the rest of the injections.
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (bestMatchCaptureIndices) {
|
||
|
|
return {
|
||
|
|
priorityMatch: bestMatchResultPriority === -1,
|
||
|
|
captureIndices: bestMatchCaptureIndices,
|
||
|
|
matchedRuleId: bestMatchRuleId
|
||
|
|
};
|
||
|
|
}
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
function prepareRuleSearch(rule, grammar, endRegexSource, allowA, allowG) {
|
||
|
|
const ruleScanner = rule.compileAG(grammar, endRegexSource, allowA, allowG);
|
||
|
|
return { ruleScanner, findOptions: 0 /* FindOption.None */ };
|
||
|
|
}
|
||
|
|
function prepareRuleWhileSearch(rule, grammar, endRegexSource, allowA, allowG) {
|
||
|
|
const ruleScanner = rule.compileWhileAG(grammar, endRegexSource, allowA, allowG);
|
||
|
|
return { ruleScanner, findOptions: 0 /* FindOption.None */ };
|
||
|
|
}
|
||
|
|
function handleCaptures(grammar, lineText, isFirstLine, stack, lineTokens, captures, captureIndices) {
|
||
|
|
if (captures.length === 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const lineTextContent = lineText.content;
|
||
|
|
const len = Math.min(captures.length, captureIndices.length);
|
||
|
|
const localStack = [];
|
||
|
|
const maxEnd = captureIndices[0].end;
|
||
|
|
for (let i = 0; i < len; i++) {
|
||
|
|
const captureRule = captures[i];
|
||
|
|
if (captureRule === null) {
|
||
|
|
// Not interested
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
const captureIndex = captureIndices[i];
|
||
|
|
if (captureIndex.length === 0) {
|
||
|
|
// Nothing really captured
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (captureIndex.start > maxEnd) {
|
||
|
|
// Capture going beyond consumed string
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
// pop captures while needed
|
||
|
|
while (localStack.length > 0 && localStack[localStack.length - 1].endPos <= captureIndex.start) {
|
||
|
|
// pop!
|
||
|
|
lineTokens.produceFromScopes(localStack[localStack.length - 1].scopes, localStack[localStack.length - 1].endPos);
|
||
|
|
localStack.pop();
|
||
|
|
}
|
||
|
|
if (localStack.length > 0) {
|
||
|
|
lineTokens.produceFromScopes(localStack[localStack.length - 1].scopes, captureIndex.start);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
lineTokens.produce(stack, captureIndex.start);
|
||
|
|
}
|
||
|
|
if (captureRule.retokenizeCapturedWithRuleId) {
|
||
|
|
// the capture requires additional matching
|
||
|
|
const scopeName = captureRule.getName(lineTextContent, captureIndices);
|
||
|
|
const nameScopesList = stack.contentNameScopesList.pushAttributed(scopeName, grammar);
|
||
|
|
const contentName = captureRule.getContentName(lineTextContent, captureIndices);
|
||
|
|
const contentNameScopesList = nameScopesList.pushAttributed(contentName, grammar);
|
||
|
|
const stackClone = stack.push(captureRule.retokenizeCapturedWithRuleId, captureIndex.start, -1, false, null, nameScopesList, contentNameScopesList);
|
||
|
|
const onigSubStr = grammar.createOnigString(lineTextContent.substring(0, captureIndex.end));
|
||
|
|
_tokenizeString(grammar, onigSubStr, (isFirstLine && captureIndex.start === 0), captureIndex.start, stackClone, lineTokens, false, /* no time limit */ 0);
|
||
|
|
disposeOnigString(onigSubStr);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
const captureRuleScopeName = captureRule.getName(lineTextContent, captureIndices);
|
||
|
|
if (captureRuleScopeName !== null) {
|
||
|
|
// push
|
||
|
|
const base = localStack.length > 0 ? localStack[localStack.length - 1].scopes : stack.contentNameScopesList;
|
||
|
|
const captureRuleScopesList = base.pushAttributed(captureRuleScopeName, grammar);
|
||
|
|
localStack.push(new LocalStackElement(captureRuleScopesList, captureIndex.end));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
while (localStack.length > 0) {
|
||
|
|
// pop!
|
||
|
|
lineTokens.produceFromScopes(localStack[localStack.length - 1].scopes, localStack[localStack.length - 1].endPos);
|
||
|
|
localStack.pop();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class LocalStackElement {
|
||
|
|
scopes;
|
||
|
|
endPos;
|
||
|
|
constructor(scopes, endPos) {
|
||
|
|
this.scopes = scopes;
|
||
|
|
this.endPos = endPos;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*---------------------------------------------------------
|
||
|
|
* Copyright (C) Microsoft Corporation. All rights reserved.
|
||
|
|
*--------------------------------------------------------*/
|
||
|
|
function createGrammar(scopeName, grammar, initialLanguage, embeddedLanguages, tokenTypes, balancedBracketSelectors, grammarRepository, onigLib) {
|
||
|
|
return new Grammar(scopeName, grammar, initialLanguage, embeddedLanguages, tokenTypes, balancedBracketSelectors, grammarRepository, onigLib); //TODO
|
||
|
|
}
|
||
|
|
function collectInjections(result, selector, rule, ruleFactoryHelper, grammar) {
|
||
|
|
const matchers = createMatchers(selector, nameMatcher);
|
||
|
|
const ruleId = RuleFactory.getCompiledRuleId(rule, ruleFactoryHelper, grammar.repository);
|
||
|
|
for (const matcher of matchers) {
|
||
|
|
result.push({
|
||
|
|
debugSelector: selector,
|
||
|
|
matcher: matcher.matcher,
|
||
|
|
ruleId: ruleId,
|
||
|
|
grammar: grammar,
|
||
|
|
priority: matcher.priority
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function nameMatcher(identifers, scopes) {
|
||
|
|
if (scopes.length < identifers.length) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
let lastIndex = 0;
|
||
|
|
return identifers.every(identifier => {
|
||
|
|
for (let i = lastIndex; i < scopes.length; i++) {
|
||
|
|
if (scopesAreMatching(scopes[i], identifier)) {
|
||
|
|
lastIndex = i + 1;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
});
|
||
|
|
}
|
||
|
|
function scopesAreMatching(thisScopeName, scopeName) {
|
||
|
|
if (!thisScopeName) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (thisScopeName === scopeName) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
const len = scopeName.length;
|
||
|
|
return thisScopeName.length > len && thisScopeName.substr(0, len) === scopeName && thisScopeName[len] === '.';
|
||
|
|
}
|
||
|
|
class Grammar {
|
||
|
|
_rootScopeName;
|
||
|
|
balancedBracketSelectors;
|
||
|
|
_onigLib;
|
||
|
|
_rootId;
|
||
|
|
_lastRuleId;
|
||
|
|
_ruleId2desc;
|
||
|
|
_includedGrammars;
|
||
|
|
_grammarRepository;
|
||
|
|
_grammar;
|
||
|
|
_injections;
|
||
|
|
_basicScopeAttributesProvider;
|
||
|
|
_tokenTypeMatchers;
|
||
|
|
get themeProvider() { return this._grammarRepository; }
|
||
|
|
constructor(_rootScopeName, grammar, initialLanguage, embeddedLanguages, tokenTypes, balancedBracketSelectors, grammarRepository, _onigLib) {
|
||
|
|
this._rootScopeName = _rootScopeName;
|
||
|
|
this.balancedBracketSelectors = balancedBracketSelectors;
|
||
|
|
this._onigLib = _onigLib;
|
||
|
|
this._basicScopeAttributesProvider = new BasicScopeAttributesProvider(initialLanguage, embeddedLanguages);
|
||
|
|
this._rootId = -1;
|
||
|
|
this._lastRuleId = 0;
|
||
|
|
this._ruleId2desc = [null];
|
||
|
|
this._includedGrammars = {};
|
||
|
|
this._grammarRepository = grammarRepository;
|
||
|
|
this._grammar = initGrammar(grammar, null);
|
||
|
|
this._injections = null;
|
||
|
|
this._tokenTypeMatchers = [];
|
||
|
|
if (tokenTypes) {
|
||
|
|
for (const selector of Object.keys(tokenTypes)) {
|
||
|
|
const matchers = createMatchers(selector, nameMatcher);
|
||
|
|
for (const matcher of matchers) {
|
||
|
|
this._tokenTypeMatchers.push({
|
||
|
|
matcher: matcher.matcher,
|
||
|
|
type: tokenTypes[selector],
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
dispose() {
|
||
|
|
for (const rule of this._ruleId2desc) {
|
||
|
|
if (rule) {
|
||
|
|
rule.dispose();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
createOnigScanner(sources) {
|
||
|
|
return this._onigLib.createOnigScanner(sources);
|
||
|
|
}
|
||
|
|
createOnigString(sources) {
|
||
|
|
return this._onigLib.createOnigString(sources);
|
||
|
|
}
|
||
|
|
getMetadataForScope(scope) {
|
||
|
|
return this._basicScopeAttributesProvider.getBasicScopeAttributes(scope);
|
||
|
|
}
|
||
|
|
_collectInjections() {
|
||
|
|
const grammarRepository = {
|
||
|
|
lookup: (scopeName) => {
|
||
|
|
if (scopeName === this._rootScopeName) {
|
||
|
|
return this._grammar;
|
||
|
|
}
|
||
|
|
return this.getExternalGrammar(scopeName);
|
||
|
|
},
|
||
|
|
injections: (scopeName) => {
|
||
|
|
return this._grammarRepository.injections(scopeName);
|
||
|
|
},
|
||
|
|
};
|
||
|
|
const result = [];
|
||
|
|
const scopeName = this._rootScopeName;
|
||
|
|
const grammar = grammarRepository.lookup(scopeName);
|
||
|
|
if (grammar) {
|
||
|
|
// add injections from the current grammar
|
||
|
|
const rawInjections = grammar.injections;
|
||
|
|
if (rawInjections) {
|
||
|
|
for (let expression in rawInjections) {
|
||
|
|
collectInjections(result, expression, rawInjections[expression], this, grammar);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// add injection grammars contributed for the current scope
|
||
|
|
const injectionScopeNames = this._grammarRepository.injections(scopeName);
|
||
|
|
if (injectionScopeNames) {
|
||
|
|
injectionScopeNames.forEach((injectionScopeName) => {
|
||
|
|
const injectionGrammar = this.getExternalGrammar(injectionScopeName);
|
||
|
|
if (injectionGrammar) {
|
||
|
|
const selector = injectionGrammar.injectionSelector;
|
||
|
|
if (selector) {
|
||
|
|
collectInjections(result, selector, injectionGrammar, this, injectionGrammar);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
result.sort((i1, i2) => i1.priority - i2.priority); // sort by priority
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
getInjections() {
|
||
|
|
if (this._injections === null) {
|
||
|
|
this._injections = this._collectInjections();
|
||
|
|
}
|
||
|
|
return this._injections;
|
||
|
|
}
|
||
|
|
registerRule(factory) {
|
||
|
|
const id = ++this._lastRuleId;
|
||
|
|
const result = factory(ruleIdFromNumber(id));
|
||
|
|
this._ruleId2desc[id] = result;
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
getRule(ruleId) {
|
||
|
|
return this._ruleId2desc[ruleIdToNumber(ruleId)];
|
||
|
|
}
|
||
|
|
getExternalGrammar(scopeName, repository) {
|
||
|
|
if (this._includedGrammars[scopeName]) {
|
||
|
|
return this._includedGrammars[scopeName];
|
||
|
|
}
|
||
|
|
else if (this._grammarRepository) {
|
||
|
|
const rawIncludedGrammar = this._grammarRepository.lookup(scopeName);
|
||
|
|
if (rawIncludedGrammar) {
|
||
|
|
// console.log('LOADED GRAMMAR ' + pattern.include);
|
||
|
|
this._includedGrammars[scopeName] = initGrammar(rawIncludedGrammar, repository && repository.$base);
|
||
|
|
return this._includedGrammars[scopeName];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return undefined;
|
||
|
|
}
|
||
|
|
tokenizeLine(lineText, prevState, timeLimit = 0) {
|
||
|
|
const r = this._tokenize(lineText, prevState, false, timeLimit);
|
||
|
|
return {
|
||
|
|
tokens: r.lineTokens.getResult(r.ruleStack, r.lineLength),
|
||
|
|
ruleStack: r.ruleStack,
|
||
|
|
stoppedEarly: r.stoppedEarly,
|
||
|
|
};
|
||
|
|
}
|
||
|
|
tokenizeLine2(lineText, prevState, timeLimit = 0) {
|
||
|
|
const r = this._tokenize(lineText, prevState, true, timeLimit);
|
||
|
|
return {
|
||
|
|
tokens: r.lineTokens.getBinaryResult(r.ruleStack, r.lineLength),
|
||
|
|
ruleStack: r.ruleStack,
|
||
|
|
stoppedEarly: r.stoppedEarly,
|
||
|
|
};
|
||
|
|
}
|
||
|
|
_tokenize(lineText, prevState, emitBinaryTokens, timeLimit) {
|
||
|
|
if (this._rootId === -1) {
|
||
|
|
this._rootId = RuleFactory.getCompiledRuleId(this._grammar.repository.$self, this, this._grammar.repository);
|
||
|
|
// This ensures ids are deterministic, and thus equal in renderer and webworker.
|
||
|
|
this.getInjections();
|
||
|
|
}
|
||
|
|
let isFirstLine;
|
||
|
|
if (!prevState || prevState === StateStackImpl.NULL) {
|
||
|
|
isFirstLine = true;
|
||
|
|
const rawDefaultMetadata = this._basicScopeAttributesProvider.getDefaultAttributes();
|
||
|
|
const defaultStyle = this.themeProvider.getDefaults();
|
||
|
|
const defaultMetadata = EncodedTokenAttributes.set(0, rawDefaultMetadata.languageId, rawDefaultMetadata.tokenType, null, defaultStyle.fontStyle, defaultStyle.foregroundId, defaultStyle.backgroundId);
|
||
|
|
const rootScopeName = this.getRule(this._rootId).getName(null, null);
|
||
|
|
let scopeList;
|
||
|
|
if (rootScopeName) {
|
||
|
|
scopeList = AttributedScopeStack.createRootAndLookUpScopeName(rootScopeName, defaultMetadata, this);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
scopeList = AttributedScopeStack.createRoot("unknown", defaultMetadata);
|
||
|
|
}
|
||
|
|
prevState = new StateStackImpl(null, this._rootId, -1, -1, false, null, scopeList, scopeList);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
isFirstLine = false;
|
||
|
|
prevState.reset();
|
||
|
|
}
|
||
|
|
lineText = lineText + "\n";
|
||
|
|
const onigLineText = this.createOnigString(lineText);
|
||
|
|
const lineLength = onigLineText.content.length;
|
||
|
|
const lineTokens = new LineTokens(emitBinaryTokens, lineText, this._tokenTypeMatchers, this.balancedBracketSelectors);
|
||
|
|
const r = _tokenizeString(this, onigLineText, isFirstLine, 0, prevState, lineTokens, true, timeLimit);
|
||
|
|
disposeOnigString(onigLineText);
|
||
|
|
return {
|
||
|
|
lineLength: lineLength,
|
||
|
|
lineTokens: lineTokens,
|
||
|
|
ruleStack: r.stack,
|
||
|
|
stoppedEarly: r.stoppedEarly,
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function initGrammar(grammar, base) {
|
||
|
|
grammar = clone(grammar);
|
||
|
|
grammar.repository = grammar.repository || {};
|
||
|
|
grammar.repository.$self = {
|
||
|
|
$vscodeTextmateLocation: grammar.$vscodeTextmateLocation,
|
||
|
|
patterns: grammar.patterns,
|
||
|
|
name: grammar.scopeName
|
||
|
|
};
|
||
|
|
grammar.repository.$base = base || grammar.repository.$self;
|
||
|
|
return grammar;
|
||
|
|
}
|
||
|
|
class AttributedScopeStack {
|
||
|
|
parent;
|
||
|
|
scopePath;
|
||
|
|
tokenAttributes;
|
||
|
|
static fromExtension(namesScopeList, contentNameScopesList) {
|
||
|
|
let current = namesScopeList;
|
||
|
|
let scopeNames = namesScopeList?.scopePath ?? null;
|
||
|
|
for (const frame of contentNameScopesList) {
|
||
|
|
scopeNames = ScopeStack.push(scopeNames, frame.scopeNames);
|
||
|
|
current = new AttributedScopeStack(current, scopeNames, frame.encodedTokenAttributes);
|
||
|
|
}
|
||
|
|
return current;
|
||
|
|
}
|
||
|
|
static createRoot(scopeName, tokenAttributes) {
|
||
|
|
return new AttributedScopeStack(null, new ScopeStack(null, scopeName), tokenAttributes);
|
||
|
|
}
|
||
|
|
static createRootAndLookUpScopeName(scopeName, tokenAttributes, grammar) {
|
||
|
|
const rawRootMetadata = grammar.getMetadataForScope(scopeName);
|
||
|
|
const scopePath = new ScopeStack(null, scopeName);
|
||
|
|
const rootStyle = grammar.themeProvider.themeMatch(scopePath);
|
||
|
|
const resolvedTokenAttributes = AttributedScopeStack.mergeAttributes(tokenAttributes, rawRootMetadata, rootStyle);
|
||
|
|
return new AttributedScopeStack(null, scopePath, resolvedTokenAttributes);
|
||
|
|
}
|
||
|
|
get scopeName() { return this.scopePath.scopeName; }
|
||
|
|
/**
|
||
|
|
* Invariant:
|
||
|
|
* ```
|
||
|
|
* if (parent && !scopePath.extends(parent.scopePath)) {
|
||
|
|
* throw new Error();
|
||
|
|
* }
|
||
|
|
* ```
|
||
|
|
*/
|
||
|
|
constructor(parent, scopePath, tokenAttributes) {
|
||
|
|
this.parent = parent;
|
||
|
|
this.scopePath = scopePath;
|
||
|
|
this.tokenAttributes = tokenAttributes;
|
||
|
|
}
|
||
|
|
toString() {
|
||
|
|
return this.getScopeNames().join(' ');
|
||
|
|
}
|
||
|
|
equals(other) {
|
||
|
|
return AttributedScopeStack.equals(this, other);
|
||
|
|
}
|
||
|
|
static equals(a, b) {
|
||
|
|
do {
|
||
|
|
if (a === b) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
if (!a && !b) {
|
||
|
|
// End of list reached for both
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
if (!a || !b) {
|
||
|
|
// End of list reached only for one
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (a.scopeName !== b.scopeName || a.tokenAttributes !== b.tokenAttributes) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
// Go to previous pair
|
||
|
|
a = a.parent;
|
||
|
|
b = b.parent;
|
||
|
|
} while (true);
|
||
|
|
}
|
||
|
|
static mergeAttributes(existingTokenAttributes, basicScopeAttributes, styleAttributes) {
|
||
|
|
let fontStyle = -1 /* FontStyle.NotSet */;
|
||
|
|
let foreground = 0;
|
||
|
|
let background = 0;
|
||
|
|
if (styleAttributes !== null) {
|
||
|
|
fontStyle = styleAttributes.fontStyle;
|
||
|
|
foreground = styleAttributes.foregroundId;
|
||
|
|
background = styleAttributes.backgroundId;
|
||
|
|
}
|
||
|
|
return EncodedTokenAttributes.set(existingTokenAttributes, basicScopeAttributes.languageId, basicScopeAttributes.tokenType, null, fontStyle, foreground, background);
|
||
|
|
}
|
||
|
|
pushAttributed(scopePath, grammar) {
|
||
|
|
if (scopePath === null) {
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
if (scopePath.indexOf(' ') === -1) {
|
||
|
|
// This is the common case and much faster
|
||
|
|
return AttributedScopeStack._pushAttributed(this, scopePath, grammar);
|
||
|
|
}
|
||
|
|
const scopes = scopePath.split(/ /g);
|
||
|
|
let result = this;
|
||
|
|
for (const scope of scopes) {
|
||
|
|
result = AttributedScopeStack._pushAttributed(result, scope, grammar);
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
static _pushAttributed(target, scopeName, grammar) {
|
||
|
|
const rawMetadata = grammar.getMetadataForScope(scopeName);
|
||
|
|
const newPath = target.scopePath.push(scopeName);
|
||
|
|
const scopeThemeMatchResult = grammar.themeProvider.themeMatch(newPath);
|
||
|
|
const metadata = AttributedScopeStack.mergeAttributes(target.tokenAttributes, rawMetadata, scopeThemeMatchResult);
|
||
|
|
return new AttributedScopeStack(target, newPath, metadata);
|
||
|
|
}
|
||
|
|
getScopeNames() {
|
||
|
|
return this.scopePath.getSegments();
|
||
|
|
}
|
||
|
|
getExtensionIfDefined(base) {
|
||
|
|
const result = [];
|
||
|
|
let self = this;
|
||
|
|
while (self && self !== base) {
|
||
|
|
result.push({
|
||
|
|
encodedTokenAttributes: self.tokenAttributes,
|
||
|
|
scopeNames: self.scopePath.getExtensionIfDefined(self.parent?.scopePath ?? null),
|
||
|
|
});
|
||
|
|
self = self.parent;
|
||
|
|
}
|
||
|
|
return self === base ? result.reverse() : undefined;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Represents a "pushed" state on the stack (as a linked list element).
|
||
|
|
*/
|
||
|
|
class StateStackImpl {
|
||
|
|
parent;
|
||
|
|
ruleId;
|
||
|
|
beginRuleCapturedEOL;
|
||
|
|
endRule;
|
||
|
|
nameScopesList;
|
||
|
|
contentNameScopesList;
|
||
|
|
_stackElementBrand = undefined;
|
||
|
|
// TODO remove me
|
||
|
|
static NULL = new StateStackImpl(null, 0, 0, 0, false, null, null, null);
|
||
|
|
/**
|
||
|
|
* The position on the current line where this state was pushed.
|
||
|
|
* This is relevant only while tokenizing a line, to detect endless loops.
|
||
|
|
* Its value is meaningless across lines.
|
||
|
|
*/
|
||
|
|
_enterPos;
|
||
|
|
/**
|
||
|
|
* The captured anchor position when this stack element was pushed.
|
||
|
|
* This is relevant only while tokenizing a line, to restore the anchor position when popping.
|
||
|
|
* Its value is meaningless across lines.
|
||
|
|
*/
|
||
|
|
_anchorPos;
|
||
|
|
/**
|
||
|
|
* The depth of the stack.
|
||
|
|
*/
|
||
|
|
depth;
|
||
|
|
/**
|
||
|
|
* Invariant:
|
||
|
|
* ```
|
||
|
|
* if (contentNameScopesList !== nameScopesList && contentNameScopesList?.parent !== nameScopesList) {
|
||
|
|
* throw new Error();
|
||
|
|
* }
|
||
|
|
* if (this.parent && !nameScopesList.extends(this.parent.contentNameScopesList)) {
|
||
|
|
* throw new Error();
|
||
|
|
* }
|
||
|
|
* ```
|
||
|
|
*/
|
||
|
|
constructor(
|
||
|
|
/**
|
||
|
|
* The previous state on the stack (or null for the root state).
|
||
|
|
*/
|
||
|
|
parent,
|
||
|
|
/**
|
||
|
|
* The state (rule) that this element represents.
|
||
|
|
*/
|
||
|
|
ruleId, enterPos, anchorPos,
|
||
|
|
/**
|
||
|
|
* The state has entered and captured \n. This means that the next line should have an anchorPosition of 0.
|
||
|
|
*/
|
||
|
|
beginRuleCapturedEOL,
|
||
|
|
/**
|
||
|
|
* The "pop" (end) condition for this state in case that it was dynamically generated through captured text.
|
||
|
|
*/
|
||
|
|
endRule,
|
||
|
|
/**
|
||
|
|
* The list of scopes containing the "name" for this state.
|
||
|
|
*/
|
||
|
|
nameScopesList,
|
||
|
|
/**
|
||
|
|
* The list of scopes containing the "contentName" (besides "name") for this state.
|
||
|
|
* This list **must** contain as an element `scopeName`.
|
||
|
|
*/
|
||
|
|
contentNameScopesList) {
|
||
|
|
this.parent = parent;
|
||
|
|
this.ruleId = ruleId;
|
||
|
|
this.beginRuleCapturedEOL = beginRuleCapturedEOL;
|
||
|
|
this.endRule = endRule;
|
||
|
|
this.nameScopesList = nameScopesList;
|
||
|
|
this.contentNameScopesList = contentNameScopesList;
|
||
|
|
this.depth = this.parent ? this.parent.depth + 1 : 1;
|
||
|
|
this._enterPos = enterPos;
|
||
|
|
this._anchorPos = anchorPos;
|
||
|
|
}
|
||
|
|
equals(other) {
|
||
|
|
if (other === null) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return StateStackImpl._equals(this, other);
|
||
|
|
}
|
||
|
|
static _equals(a, b) {
|
||
|
|
if (a === b) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
if (!this._structuralEquals(a, b)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return AttributedScopeStack.equals(a.contentNameScopesList, b.contentNameScopesList);
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* A structural equals check. Does not take into account `scopes`.
|
||
|
|
*/
|
||
|
|
static _structuralEquals(a, b) {
|
||
|
|
do {
|
||
|
|
if (a === b) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
if (!a && !b) {
|
||
|
|
// End of list reached for both
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
if (!a || !b) {
|
||
|
|
// End of list reached only for one
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (a.depth !== b.depth ||
|
||
|
|
a.ruleId !== b.ruleId ||
|
||
|
|
a.endRule !== b.endRule) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
// Go to previous pair
|
||
|
|
a = a.parent;
|
||
|
|
b = b.parent;
|
||
|
|
} while (true);
|
||
|
|
}
|
||
|
|
clone() {
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
static _reset(el) {
|
||
|
|
while (el) {
|
||
|
|
el._enterPos = -1;
|
||
|
|
el._anchorPos = -1;
|
||
|
|
el = el.parent;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
reset() {
|
||
|
|
StateStackImpl._reset(this);
|
||
|
|
}
|
||
|
|
pop() {
|
||
|
|
return this.parent;
|
||
|
|
}
|
||
|
|
safePop() {
|
||
|
|
if (this.parent) {
|
||
|
|
return this.parent;
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
push(ruleId, enterPos, anchorPos, beginRuleCapturedEOL, endRule, nameScopesList, contentNameScopesList) {
|
||
|
|
return new StateStackImpl(this, ruleId, enterPos, anchorPos, beginRuleCapturedEOL, endRule, nameScopesList, contentNameScopesList);
|
||
|
|
}
|
||
|
|
getEnterPos() {
|
||
|
|
return this._enterPos;
|
||
|
|
}
|
||
|
|
getAnchorPos() {
|
||
|
|
return this._anchorPos;
|
||
|
|
}
|
||
|
|
getRule(grammar) {
|
||
|
|
return grammar.getRule(this.ruleId);
|
||
|
|
}
|
||
|
|
toString() {
|
||
|
|
const r = [];
|
||
|
|
this._writeString(r, 0);
|
||
|
|
return "[" + r.join(",") + "]";
|
||
|
|
}
|
||
|
|
_writeString(res, outIndex) {
|
||
|
|
if (this.parent) {
|
||
|
|
outIndex = this.parent._writeString(res, outIndex);
|
||
|
|
}
|
||
|
|
res[outIndex++] = `(${this.ruleId}, ${this.nameScopesList?.toString()}, ${this.contentNameScopesList?.toString()})`;
|
||
|
|
return outIndex;
|
||
|
|
}
|
||
|
|
withContentNameScopesList(contentNameScopeStack) {
|
||
|
|
if (this.contentNameScopesList === contentNameScopeStack) {
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
return this.parent.push(this.ruleId, this._enterPos, this._anchorPos, this.beginRuleCapturedEOL, this.endRule, this.nameScopesList, contentNameScopeStack);
|
||
|
|
}
|
||
|
|
withEndRule(endRule) {
|
||
|
|
if (this.endRule === endRule) {
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
return new StateStackImpl(this.parent, this.ruleId, this._enterPos, this._anchorPos, this.beginRuleCapturedEOL, endRule, this.nameScopesList, this.contentNameScopesList);
|
||
|
|
}
|
||
|
|
// Used to warn of endless loops
|
||
|
|
hasSameRuleAs(other) {
|
||
|
|
let el = this;
|
||
|
|
while (el && el._enterPos === other._enterPos) {
|
||
|
|
if (el.ruleId === other.ruleId) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
el = el.parent;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
toStateStackFrame() {
|
||
|
|
return {
|
||
|
|
ruleId: ruleIdToNumber(this.ruleId),
|
||
|
|
beginRuleCapturedEOL: this.beginRuleCapturedEOL,
|
||
|
|
endRule: this.endRule,
|
||
|
|
nameScopesList: this.nameScopesList?.getExtensionIfDefined(this.parent?.nameScopesList ?? null) ?? [],
|
||
|
|
contentNameScopesList: this.contentNameScopesList?.getExtensionIfDefined(this.nameScopesList) ?? [],
|
||
|
|
};
|
||
|
|
}
|
||
|
|
static pushFrame(self, frame) {
|
||
|
|
const namesScopeList = AttributedScopeStack.fromExtension(self?.nameScopesList ?? null, frame.nameScopesList);
|
||
|
|
return new StateStackImpl(self, ruleIdFromNumber(frame.ruleId), frame.enterPos ?? -1, frame.anchorPos ?? -1, frame.beginRuleCapturedEOL, frame.endRule, namesScopeList, AttributedScopeStack.fromExtension(namesScopeList, frame.contentNameScopesList));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class BalancedBracketSelectors {
|
||
|
|
balancedBracketScopes;
|
||
|
|
unbalancedBracketScopes;
|
||
|
|
allowAny = false;
|
||
|
|
constructor(balancedBracketScopes, unbalancedBracketScopes) {
|
||
|
|
this.balancedBracketScopes = balancedBracketScopes.flatMap((selector) => {
|
||
|
|
if (selector === '*') {
|
||
|
|
this.allowAny = true;
|
||
|
|
return [];
|
||
|
|
}
|
||
|
|
return createMatchers(selector, nameMatcher).map((m) => m.matcher);
|
||
|
|
});
|
||
|
|
this.unbalancedBracketScopes = unbalancedBracketScopes.flatMap((selector) => createMatchers(selector, nameMatcher).map((m) => m.matcher));
|
||
|
|
}
|
||
|
|
get matchesAlways() {
|
||
|
|
return this.allowAny && this.unbalancedBracketScopes.length === 0;
|
||
|
|
}
|
||
|
|
get matchesNever() {
|
||
|
|
return this.balancedBracketScopes.length === 0 && !this.allowAny;
|
||
|
|
}
|
||
|
|
match(scopes) {
|
||
|
|
for (const excluder of this.unbalancedBracketScopes) {
|
||
|
|
if (excluder(scopes)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
for (const includer of this.balancedBracketScopes) {
|
||
|
|
if (includer(scopes)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return this.allowAny;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
class LineTokens {
|
||
|
|
balancedBracketSelectors;
|
||
|
|
_emitBinaryTokens;
|
||
|
|
/**
|
||
|
|
* defined only if `false`.
|
||
|
|
*/
|
||
|
|
_lineText;
|
||
|
|
/**
|
||
|
|
* used only if `_emitBinaryTokens` is false.
|
||
|
|
*/
|
||
|
|
_tokens;
|
||
|
|
/**
|
||
|
|
* used only if `_emitBinaryTokens` is true.
|
||
|
|
*/
|
||
|
|
_binaryTokens;
|
||
|
|
_lastTokenEndIndex;
|
||
|
|
_tokenTypeOverrides;
|
||
|
|
constructor(emitBinaryTokens, lineText, tokenTypeOverrides, balancedBracketSelectors) {
|
||
|
|
this.balancedBracketSelectors = balancedBracketSelectors;
|
||
|
|
this._emitBinaryTokens = emitBinaryTokens;
|
||
|
|
this._tokenTypeOverrides = tokenTypeOverrides;
|
||
|
|
{
|
||
|
|
this._lineText = null;
|
||
|
|
}
|
||
|
|
this._tokens = [];
|
||
|
|
this._binaryTokens = [];
|
||
|
|
this._lastTokenEndIndex = 0;
|
||
|
|
}
|
||
|
|
produce(stack, endIndex) {
|
||
|
|
this.produceFromScopes(stack.contentNameScopesList, endIndex);
|
||
|
|
}
|
||
|
|
produceFromScopes(scopesList, endIndex) {
|
||
|
|
if (this._lastTokenEndIndex >= endIndex) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (this._emitBinaryTokens) {
|
||
|
|
let metadata = scopesList?.tokenAttributes ?? 0;
|
||
|
|
let containsBalancedBrackets = false;
|
||
|
|
if (this.balancedBracketSelectors?.matchesAlways) {
|
||
|
|
containsBalancedBrackets = true;
|
||
|
|
}
|
||
|
|
if (this._tokenTypeOverrides.length > 0 || (this.balancedBracketSelectors && !this.balancedBracketSelectors.matchesAlways && !this.balancedBracketSelectors.matchesNever)) {
|
||
|
|
// Only generate scope array when required to improve performance
|
||
|
|
const scopes = scopesList?.getScopeNames() ?? [];
|
||
|
|
for (const tokenType of this._tokenTypeOverrides) {
|
||
|
|
if (tokenType.matcher(scopes)) {
|
||
|
|
metadata = EncodedTokenAttributes.set(metadata, 0, toOptionalTokenType(tokenType.type), null, -1 /* FontStyle.NotSet */, 0, 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (this.balancedBracketSelectors) {
|
||
|
|
containsBalancedBrackets = this.balancedBracketSelectors.match(scopes);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (containsBalancedBrackets) {
|
||
|
|
metadata = EncodedTokenAttributes.set(metadata, 0, 8 /* OptionalStandardTokenType.NotSet */, containsBalancedBrackets, -1 /* FontStyle.NotSet */, 0, 0);
|
||
|
|
}
|
||
|
|
if (this._binaryTokens.length > 0 && this._binaryTokens[this._binaryTokens.length - 1] === metadata) {
|
||
|
|
// no need to push a token with the same metadata
|
||
|
|
this._lastTokenEndIndex = endIndex;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this._binaryTokens.push(this._lastTokenEndIndex);
|
||
|
|
this._binaryTokens.push(metadata);
|
||
|
|
this._lastTokenEndIndex = endIndex;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const scopes = scopesList?.getScopeNames() ?? [];
|
||
|
|
this._tokens.push({
|
||
|
|
startIndex: this._lastTokenEndIndex,
|
||
|
|
endIndex: endIndex,
|
||
|
|
// value: lineText.substring(lastTokenEndIndex, endIndex),
|
||
|
|
scopes: scopes
|
||
|
|
});
|
||
|
|
this._lastTokenEndIndex = endIndex;
|
||
|
|
}
|
||
|
|
getResult(stack, lineLength) {
|
||
|
|
if (this._tokens.length > 0 && this._tokens[this._tokens.length - 1].startIndex === lineLength - 1) {
|
||
|
|
// pop produced token for newline
|
||
|
|
this._tokens.pop();
|
||
|
|
}
|
||
|
|
if (this._tokens.length === 0) {
|
||
|
|
this._lastTokenEndIndex = -1;
|
||
|
|
this.produce(stack, lineLength);
|
||
|
|
this._tokens[this._tokens.length - 1].startIndex = 0;
|
||
|
|
}
|
||
|
|
return this._tokens;
|
||
|
|
}
|
||
|
|
getBinaryResult(stack, lineLength) {
|
||
|
|
if (this._binaryTokens.length > 0 && this._binaryTokens[this._binaryTokens.length - 2] === lineLength - 1) {
|
||
|
|
// pop produced token for newline
|
||
|
|
this._binaryTokens.pop();
|
||
|
|
this._binaryTokens.pop();
|
||
|
|
}
|
||
|
|
if (this._binaryTokens.length === 0) {
|
||
|
|
this._lastTokenEndIndex = -1;
|
||
|
|
this.produce(stack, lineLength);
|
||
|
|
this._binaryTokens[this._binaryTokens.length - 2] = 0;
|
||
|
|
}
|
||
|
|
const result = new Uint32Array(this._binaryTokens.length);
|
||
|
|
for (let i = 0, len = this._binaryTokens.length; i < len; i++) {
|
||
|
|
result[i] = this._binaryTokens[i];
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*---------------------------------------------------------
|
||
|
|
* Copyright (C) Microsoft Corporation. All rights reserved.
|
||
|
|
*--------------------------------------------------------*/
|
||
|
|
class SyncRegistry {
|
||
|
|
_onigLibPromise;
|
||
|
|
_grammars = new Map();
|
||
|
|
_rawGrammars = new Map();
|
||
|
|
_injectionGrammars = new Map();
|
||
|
|
_theme;
|
||
|
|
constructor(theme, _onigLibPromise) {
|
||
|
|
this._onigLibPromise = _onigLibPromise;
|
||
|
|
this._theme = theme;
|
||
|
|
}
|
||
|
|
dispose() {
|
||
|
|
for (const grammar of this._grammars.values()) {
|
||
|
|
grammar.dispose();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
setTheme(theme) {
|
||
|
|
this._theme = theme;
|
||
|
|
}
|
||
|
|
getColorMap() {
|
||
|
|
return this._theme.getColorMap();
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Add `grammar` to registry and return a list of referenced scope names
|
||
|
|
*/
|
||
|
|
addGrammar(grammar, injectionScopeNames) {
|
||
|
|
this._rawGrammars.set(grammar.scopeName, grammar);
|
||
|
|
if (injectionScopeNames) {
|
||
|
|
this._injectionGrammars.set(grammar.scopeName, injectionScopeNames);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Lookup a raw grammar.
|
||
|
|
*/
|
||
|
|
lookup(scopeName) {
|
||
|
|
return this._rawGrammars.get(scopeName);
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Returns the injections for the given grammar
|
||
|
|
*/
|
||
|
|
injections(targetScope) {
|
||
|
|
return this._injectionGrammars.get(targetScope);
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Get the default theme settings
|
||
|
|
*/
|
||
|
|
getDefaults() {
|
||
|
|
return this._theme.getDefaults();
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Match a scope in the theme.
|
||
|
|
*/
|
||
|
|
themeMatch(scopePath) {
|
||
|
|
return this._theme.match(scopePath);
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Lookup a grammar.
|
||
|
|
*/
|
||
|
|
async grammarForScopeName(scopeName, initialLanguage, embeddedLanguages, tokenTypes, balancedBracketSelectors) {
|
||
|
|
if (!this._grammars.has(scopeName)) {
|
||
|
|
let rawGrammar = this._rawGrammars.get(scopeName);
|
||
|
|
if (!rawGrammar) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
this._grammars.set(scopeName, createGrammar(scopeName, rawGrammar, initialLanguage, embeddedLanguages, tokenTypes, balancedBracketSelectors, this, await this._onigLibPromise));
|
||
|
|
}
|
||
|
|
return this._grammars.get(scopeName);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*---------------------------------------------------------
|
||
|
|
* Copyright (C) Microsoft Corporation. All rights reserved.
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*--------------------------------------------------------*/
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/**
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* The registry that will hold all grammars.
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*/
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let Registry$1 = class Registry {
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_options;
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_syncRegistry;
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_ensureGrammarCache;
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constructor(options) {
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this._options = options;
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this._syncRegistry = new SyncRegistry(Theme.createFromRawTheme(options.theme, options.colorMap), options.onigLib);
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this._ensureGrammarCache = new Map();
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}
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dispose() {
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this._syncRegistry.dispose();
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}
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/**
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* Change the theme. Once called, no previous `ruleStack` should be used anymore.
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*/
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setTheme(theme, colorMap) {
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this._syncRegistry.setTheme(Theme.createFromRawTheme(theme, colorMap));
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}
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/**
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* Returns a lookup array for color ids.
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*/
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getColorMap() {
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return this._syncRegistry.getColorMap();
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}
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/**
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* Load the grammar for `scopeName` and all referenced included grammars asynchronously.
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* Please do not use language id 0.
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*/
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loadGrammarWithEmbeddedLanguages(initialScopeName, initialLanguage, embeddedLanguages) {
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return this.loadGrammarWithConfiguration(initialScopeName, initialLanguage, { embeddedLanguages });
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}
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/**
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* Load the grammar for `scopeName` and all referenced included grammars asynchronously.
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* Please do not use language id 0.
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*/
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loadGrammarWithConfiguration(initialScopeName, initialLanguage, configuration) {
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return this._loadGrammar(initialScopeName, initialLanguage, configuration.embeddedLanguages, configuration.tokenTypes, new BalancedBracketSelectors(configuration.balancedBracketSelectors || [], configuration.unbalancedBracketSelectors || []));
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}
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/**
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* Load the grammar for `scopeName` and all referenced included grammars asynchronously.
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*/
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loadGrammar(initialScopeName) {
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return this._loadGrammar(initialScopeName, 0, null, null, null);
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}
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async _loadGrammar(initialScopeName, initialLanguage, embeddedLanguages, tokenTypes, balancedBracketSelectors) {
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const dependencyProcessor = new ScopeDependencyProcessor(this._syncRegistry, initialScopeName);
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while (dependencyProcessor.Q.length > 0) {
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await Promise.all(dependencyProcessor.Q.map((request) => this._loadSingleGrammar(request.scopeName)));
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dependencyProcessor.processQueue();
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}
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return this._grammarForScopeName(initialScopeName, initialLanguage, embeddedLanguages, tokenTypes, balancedBracketSelectors);
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}
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async _loadSingleGrammar(scopeName) {
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if (!this._ensureGrammarCache.has(scopeName)) {
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this._ensureGrammarCache.set(scopeName, this._doLoadSingleGrammar(scopeName));
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}
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return this._ensureGrammarCache.get(scopeName);
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}
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async _doLoadSingleGrammar(scopeName) {
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const grammar = await this._options.loadGrammar(scopeName);
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if (grammar) {
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const injections = typeof this._options.getInjections === "function" ? this._options.getInjections(scopeName) : undefined;
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this._syncRegistry.addGrammar(grammar, injections);
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}
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}
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/**
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* Adds a rawGrammar.
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*/
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async addGrammar(rawGrammar, injections = [], initialLanguage = 0, embeddedLanguages = null) {
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this._syncRegistry.addGrammar(rawGrammar, injections);
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return (await this._grammarForScopeName(rawGrammar.scopeName, initialLanguage, embeddedLanguages));
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}
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/**
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* Get the grammar for `scopeName`. The grammar must first be created via `loadGrammar` or `addGrammar`.
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*/
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_grammarForScopeName(scopeName, initialLanguage = 0, embeddedLanguages = null, tokenTypes = null, balancedBracketSelectors = null) {
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return this._syncRegistry.grammarForScopeName(scopeName, initialLanguage, embeddedLanguages, tokenTypes, balancedBracketSelectors);
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}
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};
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const INITIAL = StateStackImpl.NULL;
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/**
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* Helpers to manage the "collapsed" metadata of an entire StackElement stack.
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* The following assumptions have been made:
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* - languageId < 256 => needs 8 bits
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* - unique color count < 512 => needs 9 bits
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*
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* The binary format is:
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* - -------------------------------------------
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* 3322 2222 2222 1111 1111 1100 0000 0000
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* 1098 7654 3210 9876 5432 1098 7654 3210
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* - -------------------------------------------
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* xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx
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* bbbb bbbb bfff ffff ffFF FTTT LLLL LLLL
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* - -------------------------------------------
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* - L = LanguageId (8 bits)
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* - T = StandardTokenType (3 bits)
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* - F = FontStyle (3 bits)
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* - f = foreground color (9 bits)
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* - b = background color (9 bits)
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*/
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const MetadataConsts = {
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LANGUAGEID_MASK: 0b00000000000000000000000011111111,
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TOKEN_TYPE_MASK: 0b00000000000000000000001100000000,
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BALANCED_BRACKETS_MASK: 0b00000000000000000000010000000000,
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FONT_STYLE_MASK: 0b00000000000000000011100000000000,
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FOREGROUND_MASK: 0b00000000011111111100000000000000,
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BACKGROUND_MASK: 0b11111111100000000000000000000000,
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LANGUAGEID_OFFSET: 0,
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TOKEN_TYPE_OFFSET: 8,
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BALANCED_BRACKETS_OFFSET: 10,
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FONT_STYLE_OFFSET: 11,
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FOREGROUND_OFFSET: 15,
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BACKGROUND_OFFSET: 24,
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};
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class StackElementMetadata {
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static toBinaryStr(metadata) {
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let r = metadata.toString(2);
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while (r.length < 32)
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r = `0${r}`;
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return r;
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}
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// public static printMetadata(metadata: number): void {
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// const languageId = StackElementMetadata.getLanguageId(metadata)
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// const tokenType = StackElementMetadata.getTokenType(metadata)
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// const fontStyle = StackElementMetadata.getFontStyle(metadata)
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// const foreground = StackElementMetadata.getForeground(metadata)
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// const background = StackElementMetadata.getBackground(metadata)
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// console.log({
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// languageId,
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// tokenType,
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// fontStyle,
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// foreground,
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// background,
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// })
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// }
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static getLanguageId(metadata) {
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return (metadata & MetadataConsts.LANGUAGEID_MASK) >>> MetadataConsts.LANGUAGEID_OFFSET;
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}
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static getTokenType(metadata) {
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return (metadata & MetadataConsts.TOKEN_TYPE_MASK) >>> MetadataConsts.TOKEN_TYPE_OFFSET;
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}
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static getFontStyle(metadata) {
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return (metadata & MetadataConsts.FONT_STYLE_MASK) >>> MetadataConsts.FONT_STYLE_OFFSET;
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}
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static getForeground(metadata) {
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return (metadata & MetadataConsts.FOREGROUND_MASK) >>> MetadataConsts.FOREGROUND_OFFSET;
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}
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static getBackground(metadata) {
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return (metadata & MetadataConsts.BACKGROUND_MASK) >>> MetadataConsts.BACKGROUND_OFFSET;
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}
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static containsBalancedBrackets(metadata) {
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return (metadata & MetadataConsts.BALANCED_BRACKETS_MASK) !== 0;
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}
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static set(metadata, languageId, tokenType, fontStyle, foreground, background) {
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let _languageId = StackElementMetadata.getLanguageId(metadata);
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let _tokenType = StackElementMetadata.getTokenType(metadata);
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let _fontStyle = StackElementMetadata.getFontStyle(metadata);
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let _foreground = StackElementMetadata.getForeground(metadata);
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let _background = StackElementMetadata.getBackground(metadata);
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const _containsBalancedBracketsBit = StackElementMetadata.containsBalancedBrackets(metadata)
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? 1
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: 0;
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if (languageId !== 0)
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_languageId = languageId;
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if (tokenType !== 0 /* TemporaryStandardTokenType.Other */) {
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_tokenType
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= tokenType === 8 /* TemporaryStandardTokenType.MetaEmbedded */ ? 0 /* StandardTokenType.Other */ : tokenType;
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}
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if (fontStyle !== FontStyle.NotSet)
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_fontStyle = fontStyle;
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if (foreground !== 0)
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_foreground = foreground;
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if (background !== 0)
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_background = background;
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return (((_languageId << MetadataConsts.LANGUAGEID_OFFSET)
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| (_tokenType << MetadataConsts.TOKEN_TYPE_OFFSET)
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| (_fontStyle << MetadataConsts.FONT_STYLE_OFFSET)
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| (_containsBalancedBracketsBit << MetadataConsts.BALANCED_BRACKETS_OFFSET)
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| (_foreground << MetadataConsts.FOREGROUND_OFFSET)
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| (_background << MetadataConsts.BACKGROUND_OFFSET))
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>>> 0);
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}
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}
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export { INITIAL, Registry$1 as Registry, StackElementMetadata };
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