site/node_modules/@shikijs/core/dist/textmate.mjs

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2024-10-14 06:09:33 +00:00
import { FontStyle } from './types.mjs';
/*---------------------------------------------------------
* Copyright (C) Microsoft Corporation. All rights reserved.
*--------------------------------------------------------*/
({
InDebugMode: (typeof process !== 'undefined' && !!process.env['VSCODE_TEXTMATE_DEBUG'])
});
/*---------------------------------------------------------
* Copyright (C) Microsoft Corporation. All rights reserved.
*--------------------------------------------------------*/
var EncodedTokenAttributes;
(function (EncodedTokenAttributes) {
function toBinaryStr(encodedTokenAttributes) {
return encodedTokenAttributes.toString(2).padStart(32, "0");
}
EncodedTokenAttributes.toBinaryStr = toBinaryStr;
function print(encodedTokenAttributes) {
const languageId = EncodedTokenAttributes.getLanguageId(encodedTokenAttributes);
const tokenType = EncodedTokenAttributes.getTokenType(encodedTokenAttributes);
const fontStyle = EncodedTokenAttributes.getFontStyle(encodedTokenAttributes);
const foreground = EncodedTokenAttributes.getForeground(encodedTokenAttributes);
const background = EncodedTokenAttributes.getBackground(encodedTokenAttributes);
console.log({
languageId: languageId,
tokenType: tokenType,
fontStyle: fontStyle,
foreground: foreground,
background: background,
});
}
EncodedTokenAttributes.print = print;
function getLanguageId(encodedTokenAttributes) {
return ((encodedTokenAttributes & 255 /* EncodedTokenDataConsts.LANGUAGEID_MASK */) >>>
0 /* EncodedTokenDataConsts.LANGUAGEID_OFFSET */);
}
EncodedTokenAttributes.getLanguageId = getLanguageId;
function getTokenType(encodedTokenAttributes) {
return ((encodedTokenAttributes & 768 /* EncodedTokenDataConsts.TOKEN_TYPE_MASK */) >>>
8 /* EncodedTokenDataConsts.TOKEN_TYPE_OFFSET */);
}
EncodedTokenAttributes.getTokenType = getTokenType;
function containsBalancedBrackets(encodedTokenAttributes) {
return (encodedTokenAttributes & 1024 /* EncodedTokenDataConsts.BALANCED_BRACKETS_MASK */) !== 0;
}
EncodedTokenAttributes.containsBalancedBrackets = containsBalancedBrackets;
function getFontStyle(encodedTokenAttributes) {
return ((encodedTokenAttributes & 30720 /* EncodedTokenDataConsts.FONT_STYLE_MASK */) >>>
11 /* EncodedTokenDataConsts.FONT_STYLE_OFFSET */);
}
EncodedTokenAttributes.getFontStyle = getFontStyle;
function getForeground(encodedTokenAttributes) {
return ((encodedTokenAttributes & 16744448 /* EncodedTokenDataConsts.FOREGROUND_MASK */) >>>
15 /* EncodedTokenDataConsts.FOREGROUND_OFFSET */);
}
EncodedTokenAttributes.getForeground = getForeground;
function getBackground(encodedTokenAttributes) {
return ((encodedTokenAttributes & 4278190080 /* EncodedTokenDataConsts.BACKGROUND_MASK */) >>>
24 /* EncodedTokenDataConsts.BACKGROUND_OFFSET */);
}
EncodedTokenAttributes.getBackground = getBackground;
/**
* Updates the fields in `metadata`.
* A value of `0`, `NotSet` or `null` indicates that the corresponding field should be left as is.
*/
function set(encodedTokenAttributes, languageId, tokenType, containsBalancedBrackets, fontStyle, foreground, background) {
let _languageId = EncodedTokenAttributes.getLanguageId(encodedTokenAttributes);
let _tokenType = EncodedTokenAttributes.getTokenType(encodedTokenAttributes);
let _containsBalancedBracketsBit = EncodedTokenAttributes.containsBalancedBrackets(encodedTokenAttributes) ? 1 : 0;
let _fontStyle = EncodedTokenAttributes.getFontStyle(encodedTokenAttributes);
let _foreground = EncodedTokenAttributes.getForeground(encodedTokenAttributes);
let _background = EncodedTokenAttributes.getBackground(encodedTokenAttributes);
if (languageId !== 0) {
_languageId = languageId;
}
if (tokenType !== 8 /* OptionalStandardTokenType.NotSet */) {
_tokenType = fromOptionalTokenType(tokenType);
}
if (containsBalancedBrackets !== null) {
_containsBalancedBracketsBit = containsBalancedBrackets ? 1 : 0;
}
if (fontStyle !== -1 /* FontStyle.NotSet */) {
_fontStyle = fontStyle;
}
if (foreground !== 0) {
_foreground = foreground;
}
if (background !== 0) {
_background = background;
}
return (((_languageId << 0 /* EncodedTokenDataConsts.LANGUAGEID_OFFSET */) |
(_tokenType << 8 /* EncodedTokenDataConsts.TOKEN_TYPE_OFFSET */) |
(_containsBalancedBracketsBit <<
10 /* EncodedTokenDataConsts.BALANCED_BRACKETS_OFFSET */) |
(_fontStyle << 11 /* EncodedTokenDataConsts.FONT_STYLE_OFFSET */) |
(_foreground << 15 /* EncodedTokenDataConsts.FOREGROUND_OFFSET */) |
(_background << 24 /* EncodedTokenDataConsts.BACKGROUND_OFFSET */)) >>>
0);
}
EncodedTokenAttributes.set = set;
})(EncodedTokenAttributes || (EncodedTokenAttributes = {}));
function toOptionalTokenType(standardType) {
return standardType;
}
function fromOptionalTokenType(standardType) {
return standardType;
}
/*---------------------------------------------------------
* Copyright (C) Microsoft Corporation. All rights reserved.
*--------------------------------------------------------*/
function createMatchers(selector, matchesName) {
const results = [];
const tokenizer = newTokenizer(selector);
let token = tokenizer.next();
while (token !== null) {
let priority = 0;
if (token.length === 2 && token.charAt(1) === ':') {
switch (token.charAt(0)) {
case 'R':
priority = 1;
break;
case 'L':
priority = -1;
break;
default:
console.log(`Unknown priority ${token} in scope selector`);
}
token = tokenizer.next();
}
let matcher = parseConjunction();
results.push({ matcher, priority });
if (token !== ',') {
break;
}
token = tokenizer.next();
}
return results;
function parseOperand() {
if (token === '-') {
token = tokenizer.next();
const expressionToNegate = parseOperand();
return matcherInput => !!expressionToNegate && !expressionToNegate(matcherInput);
}
if (token === '(') {
token = tokenizer.next();
const expressionInParents = parseInnerExpression();
if (token === ')') {
token = tokenizer.next();
}
return expressionInParents;
}
if (isIdentifier(token)) {
const identifiers = [];
do {
identifiers.push(token);
token = tokenizer.next();
} while (isIdentifier(token));
return matcherInput => matchesName(identifiers, matcherInput);
}
return null;
}
function parseConjunction() {
const matchers = [];
let matcher = parseOperand();
while (matcher) {
matchers.push(matcher);
matcher = parseOperand();
}
return matcherInput => matchers.every(matcher => matcher(matcherInput)); // and
}
function parseInnerExpression() {
const matchers = [];
let matcher = parseConjunction();
while (matcher) {
matchers.push(matcher);
if (token === '|' || token === ',') {
do {
token = tokenizer.next();
} while (token === '|' || token === ','); // ignore subsequent commas
}
else {
break;
}
matcher = parseConjunction();
}
return matcherInput => matchers.some(matcher => matcher(matcherInput)); // or
}
}
function isIdentifier(token) {
return !!token && !!token.match(/[\w\.:]+/);
}
function newTokenizer(input) {
let regex = /([LR]:|[\w\.:][\w\.:\-]*|[\,\|\-\(\)])/g;
let match = regex.exec(input);
return {
next: () => {
if (!match) {
return null;
}
const res = match[0];
match = regex.exec(input);
return res;
}
};
}
/*---------------------------------------------------------
* Copyright (C) Microsoft Corporation. All rights reserved.
*--------------------------------------------------------*/
function disposeOnigString(str) {
if (typeof str.dispose === 'function') {
str.dispose();
}
}
/*---------------------------------------------------------
* Copyright (C) Microsoft Corporation. All rights reserved.
*--------------------------------------------------------*/
function clone(something) {
return doClone(something);
}
function doClone(something) {
if (Array.isArray(something)) {
return cloneArray(something);
}
if (typeof something === 'object') {
return cloneObj(something);
}
return something;
}
function cloneArray(arr) {
let r = [];
for (let i = 0, len = arr.length; i < len; i++) {
r[i] = doClone(arr[i]);
}
return r;
}
function cloneObj(obj) {
let r = {};
for (let key in obj) {
r[key] = doClone(obj[key]);
}
return r;
}
function mergeObjects(target, ...sources) {
sources.forEach(source => {
for (let key in source) {
target[key] = source[key];
}
});
return target;
}
function basename(path) {
const idx = ~path.lastIndexOf('/') || ~path.lastIndexOf('\\');
if (idx === 0) {
return path;
}
else if (~idx === path.length - 1) {
return basename(path.substring(0, path.length - 1));
}
else {
return path.substr(~idx + 1);
}
}
let CAPTURING_REGEX_SOURCE = /\$(\d+)|\${(\d+):\/(downcase|upcase)}/g;
class RegexSource {
static hasCaptures(regexSource) {
if (regexSource === null) {
return false;
}
CAPTURING_REGEX_SOURCE.lastIndex = 0;
return CAPTURING_REGEX_SOURCE.test(regexSource);
}
static replaceCaptures(regexSource, captureSource, captureIndices) {
return regexSource.replace(CAPTURING_REGEX_SOURCE, (match, index, commandIndex, command) => {
let capture = captureIndices[parseInt(index || commandIndex, 10)];
if (capture) {
let result = captureSource.substring(capture.start, capture.end);
// Remove leading dots that would make the selector invalid
while (result[0] === '.') {
result = result.substring(1);
}
switch (command) {
case 'downcase':
return result.toLowerCase();
case 'upcase':
return result.toUpperCase();
default:
return result;
}
}
else {
return match;
}
});
}
}
function strcmp(a, b) {
if (a < b) {
return -1;
}
if (a > b) {
return 1;
}
return 0;
}
function strArrCmp(a, b) {
if (a === null && b === null) {
return 0;
}
if (!a) {
return -1;
}
if (!b) {
return 1;
}
let len1 = a.length;
let len2 = b.length;
if (len1 === len2) {
for (let i = 0; i < len1; i++) {
let res = strcmp(a[i], b[i]);
if (res !== 0) {
return res;
}
}
return 0;
}
return len1 - len2;
}
function isValidHexColor(hex) {
if (/^#[0-9a-f]{6}$/i.test(hex)) {
// #rrggbb
return true;
}
if (/^#[0-9a-f]{8}$/i.test(hex)) {
// #rrggbbaa
return true;
}
if (/^#[0-9a-f]{3}$/i.test(hex)) {
// #rgb
return true;
}
if (/^#[0-9a-f]{4}$/i.test(hex)) {
// #rgba
return true;
}
return false;
}
/**
* Escapes regular expression characters in a given string
*/
function escapeRegExpCharacters(value) {
return value.replace(/[\-\\\{\}\*\+\?\|\^\$\.\,\[\]\(\)\#\s]/g, '\\$&');
}
class CachedFn {
fn;
cache = new Map();
constructor(fn) {
this.fn = fn;
}
get(key) {
if (this.cache.has(key)) {
return this.cache.get(key);
}
const value = this.fn(key);
this.cache.set(key, value);
return value;
}
}
/*---------------------------------------------------------
* Copyright (C) Microsoft Corporation. All rights reserved.
*--------------------------------------------------------*/
/**
* References the top level rule of a grammar with the given scope name.
*/
class TopLevelRuleReference {
scopeName;
constructor(scopeName) {
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.
*--------------------------------------------------------*/
/**
* The registry that will hold all grammars.
*/
let Registry$1 = class Registry {
_options;
_syncRegistry;
_ensureGrammarCache;
constructor(options) {
this._options = options;
this._syncRegistry = new SyncRegistry(Theme.createFromRawTheme(options.theme, options.colorMap), options.onigLib);
this._ensureGrammarCache = new Map();
}
dispose() {
this._syncRegistry.dispose();
}
/**
* Change the theme. Once called, no previous `ruleStack` should be used anymore.
*/
setTheme(theme, colorMap) {
this._syncRegistry.setTheme(Theme.createFromRawTheme(theme, colorMap));
}
/**
* Returns a lookup array for color ids.
*/
getColorMap() {
return this._syncRegistry.getColorMap();
}
/**
* Load the grammar for `scopeName` and all referenced included grammars asynchronously.
* Please do not use language id 0.
*/
loadGrammarWithEmbeddedLanguages(initialScopeName, initialLanguage, embeddedLanguages) {
return this.loadGrammarWithConfiguration(initialScopeName, initialLanguage, { embeddedLanguages });
}
/**
* Load the grammar for `scopeName` and all referenced included grammars asynchronously.
* Please do not use language id 0.
*/
loadGrammarWithConfiguration(initialScopeName, initialLanguage, configuration) {
return this._loadGrammar(initialScopeName, initialLanguage, configuration.embeddedLanguages, configuration.tokenTypes, new BalancedBracketSelectors(configuration.balancedBracketSelectors || [], configuration.unbalancedBracketSelectors || []));
}
/**
* Load the grammar for `scopeName` and all referenced included grammars asynchronously.
*/
loadGrammar(initialScopeName) {
return this._loadGrammar(initialScopeName, 0, null, null, null);
}
async _loadGrammar(initialScopeName, initialLanguage, embeddedLanguages, tokenTypes, balancedBracketSelectors) {
const dependencyProcessor = new ScopeDependencyProcessor(this._syncRegistry, initialScopeName);
while (dependencyProcessor.Q.length > 0) {
await Promise.all(dependencyProcessor.Q.map((request) => this._loadSingleGrammar(request.scopeName)));
dependencyProcessor.processQueue();
}
return this._grammarForScopeName(initialScopeName, initialLanguage, embeddedLanguages, tokenTypes, balancedBracketSelectors);
}
async _loadSingleGrammar(scopeName) {
if (!this._ensureGrammarCache.has(scopeName)) {
this._ensureGrammarCache.set(scopeName, this._doLoadSingleGrammar(scopeName));
}
return this._ensureGrammarCache.get(scopeName);
}
async _doLoadSingleGrammar(scopeName) {
const grammar = await this._options.loadGrammar(scopeName);
if (grammar) {
const injections = typeof this._options.getInjections === "function" ? this._options.getInjections(scopeName) : undefined;
this._syncRegistry.addGrammar(grammar, injections);
}
}
/**
* Adds a rawGrammar.
*/
async addGrammar(rawGrammar, injections = [], initialLanguage = 0, embeddedLanguages = null) {
this._syncRegistry.addGrammar(rawGrammar, injections);
return (await this._grammarForScopeName(rawGrammar.scopeName, initialLanguage, embeddedLanguages));
}
/**
* Get the grammar for `scopeName`. The grammar must first be created via `loadGrammar` or `addGrammar`.
*/
_grammarForScopeName(scopeName, initialLanguage = 0, embeddedLanguages = null, tokenTypes = null, balancedBracketSelectors = null) {
return this._syncRegistry.grammarForScopeName(scopeName, initialLanguage, embeddedLanguages, tokenTypes, balancedBracketSelectors);
}
};
const INITIAL = StateStackImpl.NULL;
/**
* Helpers to manage the "collapsed" metadata of an entire StackElement stack.
* The following assumptions have been made:
* - languageId < 256 => needs 8 bits
* - unique color count < 512 => needs 9 bits
*
* The binary format is:
* - -------------------------------------------
* 3322 2222 2222 1111 1111 1100 0000 0000
* 1098 7654 3210 9876 5432 1098 7654 3210
* - -------------------------------------------
* xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx
* bbbb bbbb bfff ffff ffFF FTTT LLLL LLLL
* - -------------------------------------------
* - L = LanguageId (8 bits)
* - T = StandardTokenType (3 bits)
* - F = FontStyle (3 bits)
* - f = foreground color (9 bits)
* - b = background color (9 bits)
*/
const MetadataConsts = {
LANGUAGEID_MASK: 0b00000000000000000000000011111111,
TOKEN_TYPE_MASK: 0b00000000000000000000001100000000,
BALANCED_BRACKETS_MASK: 0b00000000000000000000010000000000,
FONT_STYLE_MASK: 0b00000000000000000011100000000000,
FOREGROUND_MASK: 0b00000000011111111100000000000000,
BACKGROUND_MASK: 0b11111111100000000000000000000000,
LANGUAGEID_OFFSET: 0,
TOKEN_TYPE_OFFSET: 8,
BALANCED_BRACKETS_OFFSET: 10,
FONT_STYLE_OFFSET: 11,
FOREGROUND_OFFSET: 15,
BACKGROUND_OFFSET: 24,
};
class StackElementMetadata {
static toBinaryStr(metadata) {
let r = metadata.toString(2);
while (r.length < 32)
r = `0${r}`;
return r;
}
// public static printMetadata(metadata: number): void {
// const languageId = StackElementMetadata.getLanguageId(metadata)
// const tokenType = StackElementMetadata.getTokenType(metadata)
// const fontStyle = StackElementMetadata.getFontStyle(metadata)
// const foreground = StackElementMetadata.getForeground(metadata)
// const background = StackElementMetadata.getBackground(metadata)
// console.log({
// languageId,
// tokenType,
// fontStyle,
// foreground,
// background,
// })
// }
static getLanguageId(metadata) {
return (metadata & MetadataConsts.LANGUAGEID_MASK) >>> MetadataConsts.LANGUAGEID_OFFSET;
}
static getTokenType(metadata) {
return (metadata & MetadataConsts.TOKEN_TYPE_MASK) >>> MetadataConsts.TOKEN_TYPE_OFFSET;
}
static getFontStyle(metadata) {
return (metadata & MetadataConsts.FONT_STYLE_MASK) >>> MetadataConsts.FONT_STYLE_OFFSET;
}
static getForeground(metadata) {
return (metadata & MetadataConsts.FOREGROUND_MASK) >>> MetadataConsts.FOREGROUND_OFFSET;
}
static getBackground(metadata) {
return (metadata & MetadataConsts.BACKGROUND_MASK) >>> MetadataConsts.BACKGROUND_OFFSET;
}
static containsBalancedBrackets(metadata) {
return (metadata & MetadataConsts.BALANCED_BRACKETS_MASK) !== 0;
}
static set(metadata, languageId, tokenType, fontStyle, foreground, background) {
let _languageId = StackElementMetadata.getLanguageId(metadata);
let _tokenType = StackElementMetadata.getTokenType(metadata);
let _fontStyle = StackElementMetadata.getFontStyle(metadata);
let _foreground = StackElementMetadata.getForeground(metadata);
let _background = StackElementMetadata.getBackground(metadata);
const _containsBalancedBracketsBit = StackElementMetadata.containsBalancedBrackets(metadata)
? 1
: 0;
if (languageId !== 0)
_languageId = languageId;
if (tokenType !== 0 /* TemporaryStandardTokenType.Other */) {
_tokenType
= tokenType === 8 /* TemporaryStandardTokenType.MetaEmbedded */ ? 0 /* StandardTokenType.Other */ : tokenType;
}
if (fontStyle !== FontStyle.NotSet)
_fontStyle = fontStyle;
if (foreground !== 0)
_foreground = foreground;
if (background !== 0)
_background = background;
return (((_languageId << MetadataConsts.LANGUAGEID_OFFSET)
| (_tokenType << MetadataConsts.TOKEN_TYPE_OFFSET)
| (_fontStyle << MetadataConsts.FONT_STYLE_OFFSET)
| (_containsBalancedBracketsBit << MetadataConsts.BALANCED_BRACKETS_OFFSET)
| (_foreground << MetadataConsts.FOREGROUND_OFFSET)
| (_background << MetadataConsts.BACKGROUND_OFFSET))
>>> 0);
}
}
export { INITIAL, Registry$1 as Registry, StackElementMetadata, Theme };