--- /dev/null
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ * See LICENSE file in root directory for full license.
+ */
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
+
+var path = require('path');
+var path__default = _interopDefault(path);
+var Evk = _interopDefault(require('eslint-visitor-keys'));
+var sortedLastIndex = _interopDefault(require('lodash/sortedLastIndex'));
+var assert = _interopDefault(require('assert'));
+var last = _interopDefault(require('lodash/last'));
+var findLastIndex = _interopDefault(require('lodash/findLastIndex'));
+var debugFactory = _interopDefault(require('debug'));
+var sortedIndexBy = _interopDefault(require('lodash/sortedIndexBy'));
+var sortedLastIndexBy = _interopDefault(require('lodash/sortedLastIndexBy'));
+var first = _interopDefault(require('lodash/first'));
+var escope = _interopDefault(require('eslint-scope'));
+var Module = _interopDefault(require('module'));
+var EventEmitter = _interopDefault(require('events'));
+var esquery = _interopDefault(require('esquery'));
+var union = _interopDefault(require('lodash/union'));
+var intersection = _interopDefault(require('lodash/intersection'));
+var memoize = _interopDefault(require('lodash/memoize'));
+
+function isAcornStyleParseError(x) {
+ return (typeof x.message === "string" &&
+ typeof x.pos === "number" &&
+ typeof x.loc === "object" &&
+ x.loc !== null &&
+ typeof x.loc.line === "number" &&
+ typeof x.loc.column === "number");
+}
+class ParseError extends SyntaxError {
+ static fromCode(code, offset, line, column) {
+ return new ParseError(code, code, offset, line, column);
+ }
+ static normalize(x) {
+ if (ParseError.isParseError(x)) {
+ return x;
+ }
+ if (isAcornStyleParseError(x)) {
+ return new ParseError(x.message, undefined, x.pos, x.loc.line, x.loc.column);
+ }
+ return null;
+ }
+ constructor(message, code, offset, line, column) {
+ super(message);
+ this.code = code;
+ this.index = offset;
+ this.lineNumber = line;
+ this.column = column;
+ }
+ static isParseError(x) {
+ return (x instanceof ParseError ||
+ (typeof x.message === "string" &&
+ typeof x.index === "number" &&
+ typeof x.lineNumber === "number" &&
+ typeof x.column === "number"));
+ }
+}
+
+const NS = Object.freeze({
+ HTML: "http://www.w3.org/1999/xhtml",
+ MathML: "http://www.w3.org/1998/Math/MathML",
+ SVG: "http://www.w3.org/2000/svg",
+ XLink: "http://www.w3.org/1999/xlink",
+ XML: "http://www.w3.org/XML/1998/namespace",
+ XMLNS: "http://www.w3.org/2000/xmlns/",
+});
+
+const KEYS = Evk.unionWith({
+ VAttribute: ["key", "value"],
+ VDirectiveKey: ["name", "argument", "modifiers"],
+ VDocumentFragment: ["children"],
+ VElement: ["startTag", "children", "endTag"],
+ VEndTag: [],
+ VExpressionContainer: ["expression"],
+ VFilter: ["callee", "arguments"],
+ VFilterSequenceExpression: ["expression", "filters"],
+ VForExpression: ["left", "right"],
+ VIdentifier: [],
+ VLiteral: [],
+ VOnExpression: ["body"],
+ VSlotScopeExpression: ["params"],
+ VStartTag: ["attributes"],
+ VText: [],
+});
+function fallbackKeysFilter(key) {
+ let value = null;
+ return (key !== "comments" &&
+ key !== "leadingComments" &&
+ key !== "loc" &&
+ key !== "parent" &&
+ key !== "range" &&
+ key !== "tokens" &&
+ key !== "trailingComments" &&
+ (value = this[key]) !== null &&
+ typeof value === "object" &&
+ (typeof value.type === "string" || Array.isArray(value)));
+}
+function getFallbackKeys(node) {
+ return Object.keys(node).filter(fallbackKeysFilter, node);
+}
+function isNode(x) {
+ return x !== null && typeof x === "object" && typeof x.type === "string";
+}
+function traverse(node, parent, visitor) {
+ let i = 0;
+ let j = 0;
+ visitor.enterNode(node, parent);
+ const keys = (visitor.visitorKeys || KEYS)[node.type] || getFallbackKeys(node);
+ for (i = 0; i < keys.length; ++i) {
+ const child = node[keys[i]];
+ if (Array.isArray(child)) {
+ for (j = 0; j < child.length; ++j) {
+ if (isNode(child[j])) {
+ traverse(child[j], node, visitor);
+ }
+ }
+ }
+ else if (isNode(child)) {
+ traverse(child, node, visitor);
+ }
+ }
+ visitor.leaveNode(node, parent);
+}
+function traverseNodes(node, visitor) {
+ traverse(node, null, visitor);
+}
+
+
+
+var index = /*#__PURE__*/Object.freeze({
+ __proto__: null,
+ ParseError: ParseError,
+ NS: NS,
+ traverseNodes: traverseNodes,
+ getFallbackKeys: getFallbackKeys
+});
+
+class LocationCalculator {
+ constructor(gapOffsets, ltOffsets, baseOffset) {
+ this.gapOffsets = gapOffsets;
+ this.ltOffsets = ltOffsets;
+ this.baseOffset = baseOffset || 0;
+ this.baseIndexOfGap =
+ this.baseOffset === 0
+ ? 0
+ : sortedLastIndex(gapOffsets, this.baseOffset);
+ }
+ getSubCalculatorAfter(offset) {
+ return new LocationCalculator(this.gapOffsets, this.ltOffsets, this.baseOffset + offset);
+ }
+ _getLocation(offset) {
+ const line = sortedLastIndex(this.ltOffsets, offset) + 1;
+ const column = offset - (line === 1 ? 0 : this.ltOffsets[line - 2]);
+ return { line, column };
+ }
+ _getGap(index) {
+ const offsets = this.gapOffsets;
+ let g0 = sortedLastIndex(offsets, index + this.baseOffset);
+ let pos = index + this.baseOffset + g0 - this.baseIndexOfGap;
+ while (g0 < offsets.length && offsets[g0] <= pos) {
+ g0 += 1;
+ pos += 1;
+ }
+ return g0 - this.baseIndexOfGap;
+ }
+ getLocation(index) {
+ return this._getLocation(this.baseOffset + index);
+ }
+ getOffsetWithGap(index) {
+ return this.baseOffset + index + this._getGap(index);
+ }
+ fixLocation(node) {
+ const range = node.range;
+ const loc = node.loc;
+ const gap0 = this._getGap(range[0]);
+ const gap1 = this._getGap(range[1]);
+ const d0 = this.baseOffset + Math.max(0, gap0);
+ const d1 = this.baseOffset + Math.max(0, gap1);
+ if (d0 !== 0) {
+ range[0] += d0;
+ if (node.start != null) {
+ node.start += d0;
+ }
+ loc.start = this._getLocation(range[0]);
+ }
+ if (d1 !== 0) {
+ range[1] += d1;
+ if (node.end != null) {
+ node.end += d0;
+ }
+ loc.end = this._getLocation(range[1]);
+ }
+ return node;
+ }
+ fixErrorLocation(error) {
+ const gap = this._getGap(error.index);
+ const diff = this.baseOffset + Math.max(0, gap);
+ error.index += diff;
+ const loc = this._getLocation(error.index);
+ error.lineNumber = loc.line;
+ error.column = loc.column;
+ }
+}
+
+const debug = debugFactory("vue-eslint-parser");
+
+function isUnique(reference, index, references) {
+ return (index === 0 || reference.identifier !== references[index - 1].identifier);
+}
+function hasDefinition(variable) {
+ return variable.defs.length >= 1;
+}
+function transformReference(reference) {
+ const ret = {
+ id: reference.identifier,
+ mode: reference.isReadOnly()
+ ? "r"
+ : reference.isWriteOnly()
+ ? "w"
+ : "rw",
+ variable: null,
+ };
+ Object.defineProperty(ret, "variable", { enumerable: false });
+ return ret;
+}
+function transformVariable(variable) {
+ const ret = {
+ id: variable.defs[0].name,
+ kind: variable.scope.type === "for" ? "v-for" : "scope",
+ references: [],
+ };
+ Object.defineProperty(ret, "references", { enumerable: false });
+ return ret;
+}
+function getForScope(scope) {
+ const child = scope.childScopes[0];
+ return child.block === scope.block ? child.childScopes[0] : child;
+}
+function analyze(ast, parserOptions) {
+ const ecmaVersion = parserOptions.ecmaVersion || 2017;
+ const ecmaFeatures = parserOptions.ecmaFeatures || {};
+ const sourceType = parserOptions.sourceType || "script";
+ const result = escope.analyze(ast, {
+ ignoreEval: true,
+ nodejsScope: false,
+ impliedStrict: ecmaFeatures.impliedStrict,
+ ecmaVersion,
+ sourceType,
+ fallback: getFallbackKeys,
+ });
+ return result.globalScope;
+}
+function analyzeExternalReferences(ast, parserOptions) {
+ const scope = analyze(ast, parserOptions);
+ return scope.through.filter(isUnique).map(transformReference);
+}
+function analyzeVariablesAndExternalReferences(ast, parserOptions) {
+ const scope = analyze(ast, parserOptions);
+ return {
+ variables: getForScope(scope)
+ .variables.filter(hasDefinition)
+ .map(transformVariable),
+ references: scope.through.filter(isUnique).map(transformReference),
+ };
+}
+
+const createRequire = Module.createRequire ||
+ Module.createRequireFromPath ||
+ (filename => {
+ const mod = new Module(filename);
+ mod.filename = filename;
+ mod.paths = Module._nodeModulePaths(path__default.dirname(filename));
+ mod._compile("module.exports = require;", filename);
+ return mod.exports;
+ });
+let espreeCache = null;
+function isLinterPath(p) {
+ return (p.includes(`eslint${path__default.sep}lib${path__default.sep}linter${path__default.sep}linter.js`) ||
+ p.includes(`eslint${path__default.sep}lib${path__default.sep}linter.js`));
+}
+function getEspree() {
+ if (!espreeCache) {
+ const linterPath = Object.keys(require.cache).find(isLinterPath);
+ if (linterPath) {
+ try {
+ espreeCache = createRequire(linterPath)("espree");
+ }
+ catch (_a) {
+ }
+ }
+ if (!espreeCache) {
+ espreeCache = require("espree");
+ }
+ }
+ return espreeCache;
+}
+
+const ALIAS_PARENS = /^(\s*)\(([\s\S]+)\)(\s*(?:in|of)\b[\s\S]+)$/u;
+const DUMMY_PARENT = {};
+const IS_FUNCTION_EXPRESSION = /^\s*([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/u;
+const IS_SIMPLE_PATH = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?'\]|\["[^"]*?"\]|\[\d+\]|\[[A-Za-z_$][\w$]*\])*$/u;
+function postprocess(result, locationCalculator) {
+ const traversed = new Set();
+ traverseNodes(result.ast, {
+ visitorKeys: result.visitorKeys,
+ enterNode(node, parent) {
+ if (!traversed.has(node)) {
+ traversed.add(node);
+ node.parent = parent;
+ if (!traversed.has(node.range)) {
+ traversed.add(node.range);
+ locationCalculator.fixLocation(node);
+ }
+ }
+ },
+ leaveNode() {
+ },
+ });
+ for (const token of result.ast.tokens || []) {
+ locationCalculator.fixLocation(token);
+ }
+ for (const comment of result.ast.comments || []) {
+ locationCalculator.fixLocation(comment);
+ }
+}
+function replaceAliasParens(code) {
+ const match = ALIAS_PARENS.exec(code);
+ if (match != null) {
+ return `${match[1]}[${match[2]}]${match[3]}`;
+ }
+ return code;
+}
+function normalizeLeft(left, replaced) {
+ if (left.type !== "VariableDeclaration") {
+ throw new Error("unreachable");
+ }
+ const id = left.declarations[0].id;
+ if (replaced) {
+ return id.elements;
+ }
+ return [id];
+}
+function getCommaTokenBeforeNode(tokens, node) {
+ let tokenIndex = sortedIndexBy(tokens, { range: node.range }, t => t.range[0]);
+ while (tokenIndex >= 0) {
+ const token = tokens[tokenIndex];
+ if (token.type === "Punctuator" && token.value === ",") {
+ return token;
+ }
+ tokenIndex -= 1;
+ }
+ return null;
+}
+function throwEmptyError(locationCalculator, expected) {
+ const loc = locationCalculator.getLocation(0);
+ const err = new ParseError(`Expected to be ${expected}, but got empty.`, undefined, 0, loc.line, loc.column);
+ locationCalculator.fixErrorLocation(err);
+ throw err;
+}
+function throwUnexpectedTokenError(name, token) {
+ const err = new ParseError(`Unexpected token '${name}'.`, undefined, token.range[0], token.loc.start.line, token.loc.start.column);
+ throw err;
+}
+function throwErrorAsAdjustingOutsideOfCode(err, code, locationCalculator) {
+ if (ParseError.isParseError(err)) {
+ const endOffset = locationCalculator.getOffsetWithGap(code.length);
+ if (err.index >= endOffset) {
+ err.message = "Unexpected end of expression.";
+ }
+ }
+ throw err;
+}
+function parseScriptFragment(code, locationCalculator, parserOptions) {
+ try {
+ const result = parseScript(code, parserOptions);
+ postprocess(result, locationCalculator);
+ return result;
+ }
+ catch (err) {
+ const perr = ParseError.normalize(err);
+ if (perr) {
+ locationCalculator.fixErrorLocation(perr);
+ throw perr;
+ }
+ throw err;
+ }
+}
+const validDivisionCharRE = /[\w).+\-_$\]]/u;
+function splitFilters(exp) {
+ const result = [];
+ let inSingle = false;
+ let inDouble = false;
+ let inTemplateString = false;
+ let inRegex = false;
+ let curly = 0;
+ let square = 0;
+ let paren = 0;
+ let lastFilterIndex = 0;
+ let c = 0;
+ let prev = 0;
+ for (let i = 0; i < exp.length; i++) {
+ prev = c;
+ c = exp.charCodeAt(i);
+ if (inSingle) {
+ if (c === 0x27 && prev !== 0x5c) {
+ inSingle = false;
+ }
+ }
+ else if (inDouble) {
+ if (c === 0x22 && prev !== 0x5c) {
+ inDouble = false;
+ }
+ }
+ else if (inTemplateString) {
+ if (c === 0x60 && prev !== 0x5c) {
+ inTemplateString = false;
+ }
+ }
+ else if (inRegex) {
+ if (c === 0x2f && prev !== 0x5c) {
+ inRegex = false;
+ }
+ }
+ else if (c === 0x7c &&
+ exp.charCodeAt(i + 1) !== 0x7c &&
+ exp.charCodeAt(i - 1) !== 0x7c &&
+ !curly &&
+ !square &&
+ !paren) {
+ result.push(exp.slice(lastFilterIndex, i));
+ lastFilterIndex = i + 1;
+ }
+ else {
+ switch (c) {
+ case 0x22:
+ inDouble = true;
+ break;
+ case 0x27:
+ inSingle = true;
+ break;
+ case 0x60:
+ inTemplateString = true;
+ break;
+ case 0x28:
+ paren++;
+ break;
+ case 0x29:
+ paren--;
+ break;
+ case 0x5b:
+ square++;
+ break;
+ case 0x5d:
+ square--;
+ break;
+ case 0x7b:
+ curly++;
+ break;
+ case 0x7d:
+ curly--;
+ break;
+ }
+ if (c === 0x2f) {
+ let j = i - 1;
+ let p;
+ for (; j >= 0; j--) {
+ p = exp.charAt(j);
+ if (p !== " ") {
+ break;
+ }
+ }
+ if (!p || !validDivisionCharRE.test(p)) {
+ inRegex = true;
+ }
+ }
+ }
+ }
+ result.push(exp.slice(lastFilterIndex));
+ return result;
+}
+function parseExpressionBody(code, locationCalculator, parserOptions, allowEmpty = false) {
+ debug('[script] parse expression: "0(%s)"', code);
+ try {
+ const ast = parseScriptFragment(`0(${code})`, locationCalculator.getSubCalculatorAfter(-2), parserOptions).ast;
+ const tokens = ast.tokens || [];
+ const comments = ast.comments || [];
+ const references = analyzeExternalReferences(ast, parserOptions);
+ const statement = ast.body[0];
+ const callExpression = statement.expression;
+ const expression = callExpression.arguments[0];
+ if (!allowEmpty && !expression) {
+ return throwEmptyError(locationCalculator, "an expression");
+ }
+ if (expression && expression.type === "SpreadElement") {
+ return throwUnexpectedTokenError("...", expression);
+ }
+ if (callExpression.arguments[1]) {
+ const node = callExpression.arguments[1];
+ return throwUnexpectedTokenError(",", getCommaTokenBeforeNode(tokens, node) || node);
+ }
+ tokens.shift();
+ tokens.shift();
+ tokens.pop();
+ return { expression, tokens, comments, references, variables: [] };
+ }
+ catch (err) {
+ return throwErrorAsAdjustingOutsideOfCode(err, code, locationCalculator);
+ }
+}
+function parseFilter(code, locationCalculator, parserOptions) {
+ debug('[script] parse filter: "%s"', code);
+ try {
+ const expression = {
+ type: "VFilter",
+ parent: null,
+ range: [0, 0],
+ loc: {},
+ callee: null,
+ arguments: [],
+ };
+ const tokens = [];
+ const comments = [];
+ const references = [];
+ const paren = code.indexOf("(");
+ const calleeCode = paren === -1 ? code : code.slice(0, paren);
+ const argsCode = paren === -1 ? null : code.slice(paren);
+ if (calleeCode.trim()) {
+ const spaces = /^\s*/u.exec(calleeCode)[0];
+ const { ast } = parseScriptFragment(`${spaces}"${calleeCode.trim()}"`, locationCalculator, parserOptions);
+ const statement = ast.body[0];
+ const callee = statement.expression;
+ if (callee.type !== "Literal") {
+ const { loc, range } = ast.tokens[0];
+ return throwUnexpectedTokenError('"', {
+ range: [range[1] - 1, range[1]],
+ loc: {
+ start: {
+ line: loc.end.line,
+ column: loc.end.column - 1,
+ },
+ end: loc.end,
+ },
+ });
+ }
+ expression.callee = {
+ type: "Identifier",
+ parent: expression,
+ range: [callee.range[0], callee.range[1] - 2],
+ loc: {
+ start: callee.loc.start,
+ end: locationCalculator.getLocation(callee.range[1] - callee.range[0] - 1),
+ },
+ name: String(callee.value),
+ };
+ tokens.push({
+ type: "Identifier",
+ value: calleeCode.trim(),
+ range: expression.callee.range,
+ loc: expression.callee.loc,
+ });
+ }
+ else {
+ return throwEmptyError(locationCalculator, "a filter name");
+ }
+ if (argsCode != null) {
+ const { ast } = parseScriptFragment(`0${argsCode}`, locationCalculator.getSubCalculatorAfter(paren - 1), parserOptions);
+ const statement = ast.body[0];
+ const callExpression = statement.expression;
+ ast.tokens.shift();
+ if (callExpression.type !== "CallExpression" ||
+ callExpression.callee.type !== "Literal") {
+ let nestCount = 1;
+ for (const token of ast.tokens.slice(1)) {
+ if (nestCount === 0) {
+ return throwUnexpectedTokenError(token.value, token);
+ }
+ if (token.type === "Punctuator" && token.value === "(") {
+ nestCount += 1;
+ }
+ if (token.type === "Punctuator" && token.value === ")") {
+ nestCount -= 1;
+ }
+ }
+ const token = last(ast.tokens);
+ return throwUnexpectedTokenError(token.value, token);
+ }
+ for (const argument of callExpression.arguments) {
+ argument.parent = expression;
+ expression.arguments.push(argument);
+ }
+ tokens.push(...ast.tokens);
+ comments.push(...ast.comments);
+ references.push(...analyzeExternalReferences(ast, parserOptions));
+ }
+ const firstToken = tokens[0];
+ const lastToken = last(tokens);
+ expression.range = [firstToken.range[0], lastToken.range[1]];
+ expression.loc = { start: firstToken.loc.start, end: lastToken.loc.end };
+ return { expression, tokens, comments, references, variables: [] };
+ }
+ catch (err) {
+ return throwErrorAsAdjustingOutsideOfCode(err, code, locationCalculator);
+ }
+}
+function parseScript(code, parserOptions) {
+ const parser = typeof parserOptions.parser === "string"
+ ?
+ require(parserOptions.parser)
+ : getEspree();
+ const result = typeof parser.parseForESLint === "function"
+ ? parser.parseForESLint(code, parserOptions)
+ : parser.parse(code, parserOptions);
+ if (result.ast != null) {
+ return result;
+ }
+ return { ast: result };
+}
+function parseScriptElement(node, globalLocationCalculator, parserOptions) {
+ const text = node.children[0];
+ const offset = text != null && text.type === "VText"
+ ? text.range[0]
+ : node.startTag.range[1];
+ const code = text != null && text.type === "VText" ? text.value : "";
+ const locationCalculator = globalLocationCalculator.getSubCalculatorAfter(offset);
+ const result = parseScriptFragment(code, locationCalculator, parserOptions);
+ if (result.ast.tokens != null) {
+ const startTag = node.startTag;
+ const endTag = node.endTag;
+ if (startTag != null) {
+ result.ast.tokens.unshift({
+ type: "Punctuator",
+ range: startTag.range,
+ loc: startTag.loc,
+ value: "<script>",
+ });
+ }
+ if (endTag != null) {
+ result.ast.tokens.push({
+ type: "Punctuator",
+ range: endTag.range,
+ loc: endTag.loc,
+ value: "</script>",
+ });
+ }
+ }
+ return result;
+}
+function parseExpression(code, locationCalculator, parserOptions, { allowEmpty = false, allowFilters = false } = {}) {
+ debug('[script] parse expression: "%s"', code);
+ const [mainCode, ...filterCodes] = allowFilters
+ ? splitFilters(code)
+ : [code];
+ if (filterCodes.length === 0) {
+ return parseExpressionBody(code, locationCalculator, parserOptions, allowEmpty);
+ }
+ const retB = parseExpressionBody(mainCode, locationCalculator, parserOptions);
+ if (!retB.expression) {
+ return retB;
+ }
+ const ret = retB;
+ ret.expression = {
+ type: "VFilterSequenceExpression",
+ parent: null,
+ expression: retB.expression,
+ filters: [],
+ range: retB.expression.range.slice(0),
+ loc: Object.assign({}, retB.expression.loc),
+ };
+ ret.expression.expression.parent = ret.expression;
+ let prevLoc = mainCode.length;
+ for (const filterCode of filterCodes) {
+ ret.tokens.push(locationCalculator.fixLocation({
+ type: "Punctuator",
+ value: "|",
+ range: [prevLoc, prevLoc + 1],
+ loc: {},
+ }));
+ const retF = parseFilter(filterCode, locationCalculator.getSubCalculatorAfter(prevLoc + 1), parserOptions);
+ if (retF) {
+ if (retF.expression) {
+ ret.expression.filters.push(retF.expression);
+ retF.expression.parent = ret.expression;
+ }
+ ret.tokens.push(...retF.tokens);
+ ret.comments.push(...retF.comments);
+ ret.references.push(...retF.references);
+ }
+ prevLoc += 1 + filterCode.length;
+ }
+ const lastToken = last(ret.tokens);
+ ret.expression.range[1] = lastToken.range[1];
+ ret.expression.loc.end = lastToken.loc.end;
+ return ret;
+}
+function parseVForExpression(code, locationCalculator, parserOptions) {
+ const processedCode = replaceAliasParens(code);
+ debug('[script] parse v-for expression: "for(%s);"', processedCode);
+ if (code.trim() === "") {
+ throwEmptyError(locationCalculator, "'<alias> in <expression>'");
+ }
+ try {
+ const replaced = processedCode !== code;
+ const ast = parseScriptFragment(`for(let ${processedCode});`, locationCalculator.getSubCalculatorAfter(-8), parserOptions).ast;
+ const tokens = ast.tokens || [];
+ const comments = ast.comments || [];
+ const scope = analyzeVariablesAndExternalReferences(ast, parserOptions);
+ const references = scope.references;
+ const variables = scope.variables;
+ const statement = ast.body[0];
+ const left = normalizeLeft(statement.left, replaced);
+ const right = statement.right;
+ const firstToken = tokens[3] || statement.left;
+ const lastToken = tokens[tokens.length - 3] || statement.right;
+ const expression = {
+ type: "VForExpression",
+ range: [firstToken.range[0], lastToken.range[1]],
+ loc: { start: firstToken.loc.start, end: lastToken.loc.end },
+ parent: DUMMY_PARENT,
+ left,
+ right,
+ };
+ for (const l of left) {
+ if (l != null) {
+ l.parent = expression;
+ }
+ }
+ right.parent = expression;
+ tokens.shift();
+ tokens.shift();
+ tokens.shift();
+ tokens.pop();
+ tokens.pop();
+ if (replaced) {
+ const closeOffset = statement.left.range[1] - 1;
+ const open = tokens[0];
+ const close = tokens.find(t => t.range[0] === closeOffset);
+ if (open != null) {
+ open.value = "(";
+ }
+ if (close != null) {
+ close.value = ")";
+ }
+ }
+ return { expression, tokens, comments, references, variables };
+ }
+ catch (err) {
+ return throwErrorAsAdjustingOutsideOfCode(err, code, locationCalculator);
+ }
+}
+function parseVOnExpression(code, locationCalculator, parserOptions) {
+ if (IS_FUNCTION_EXPRESSION.test(code) || IS_SIMPLE_PATH.test(code)) {
+ return parseExpressionBody(code, locationCalculator, parserOptions);
+ }
+ return parseVOnExpressionBody(code, locationCalculator, parserOptions);
+}
+function parseVOnExpressionBody(code, locationCalculator, parserOptions) {
+ debug('[script] parse v-on expression: "void function($event){%s}"', code);
+ if (code.trim() === "") {
+ throwEmptyError(locationCalculator, "statements");
+ }
+ try {
+ const ast = parseScriptFragment(`void function($event){${code}}`, locationCalculator.getSubCalculatorAfter(-22), parserOptions).ast;
+ const references = analyzeExternalReferences(ast, parserOptions);
+ const outermostStatement = ast.body[0];
+ const functionDecl = outermostStatement.expression
+ .argument;
+ const block = functionDecl.body;
+ const body = block.body;
+ const firstStatement = first(body);
+ const lastStatement = last(body);
+ const expression = {
+ type: "VOnExpression",
+ range: [
+ firstStatement != null
+ ? firstStatement.range[0]
+ : block.range[0] + 1,
+ lastStatement != null
+ ? lastStatement.range[1]
+ : block.range[1] - 1,
+ ],
+ loc: {
+ start: firstStatement != null
+ ? firstStatement.loc.start
+ : locationCalculator.getLocation(1),
+ end: lastStatement != null
+ ? lastStatement.loc.end
+ : locationCalculator.getLocation(code.length + 1),
+ },
+ parent: DUMMY_PARENT,
+ body,
+ };
+ const tokens = ast.tokens || [];
+ const comments = ast.comments || [];
+ for (const b of body) {
+ b.parent = expression;
+ }
+ tokens.splice(0, 6);
+ tokens.pop();
+ return { expression, tokens, comments, references, variables: [] };
+ }
+ catch (err) {
+ return throwErrorAsAdjustingOutsideOfCode(err, code, locationCalculator);
+ }
+}
+function parseSlotScopeExpression(code, locationCalculator, parserOptions) {
+ debug('[script] parse slot-scope expression: "void function(%s) {}"', code);
+ if (code.trim() === "") {
+ throwEmptyError(locationCalculator, "an identifier or an array/object pattern");
+ }
+ try {
+ const ast = parseScriptFragment(`void function(${code}) {}`, locationCalculator.getSubCalculatorAfter(-14), parserOptions).ast;
+ const statement = ast.body[0];
+ const rawExpression = statement.expression;
+ const functionDecl = rawExpression.argument;
+ const params = functionDecl.params;
+ if (params.length === 0) {
+ return {
+ expression: null,
+ tokens: [],
+ comments: [],
+ references: [],
+ variables: [],
+ };
+ }
+ const tokens = ast.tokens || [];
+ const comments = ast.comments || [];
+ const scope = analyzeVariablesAndExternalReferences(ast, parserOptions);
+ const references = scope.references;
+ const variables = scope.variables;
+ const firstParam = first(params);
+ const lastParam = last(params);
+ const expression = {
+ type: "VSlotScopeExpression",
+ range: [firstParam.range[0], lastParam.range[1]],
+ loc: { start: firstParam.loc.start, end: lastParam.loc.end },
+ parent: DUMMY_PARENT,
+ params: functionDecl.params,
+ };
+ for (const param of params) {
+ param.parent = expression;
+ }
+ tokens.shift();
+ tokens.shift();
+ tokens.shift();
+ tokens.pop();
+ tokens.pop();
+ tokens.pop();
+ return { expression, tokens, comments, references, variables };
+ }
+ catch (err) {
+ return throwErrorAsAdjustingOutsideOfCode(err, code, locationCalculator);
+ }
+}
+
+const shorthandSign = /^[.:@#]/u;
+const shorthandNameMap = { ":": "bind", ".": "bind", "@": "on", "#": "slot" };
+const invalidDynamicArgumentNextChar = /^[\s\r\n=/>]$/u;
+function getOwnerDocument(leafNode) {
+ let node = leafNode;
+ while (node != null && node.type !== "VDocumentFragment") {
+ node = node.parent;
+ }
+ return node;
+}
+function createSimpleToken(type, start, end, value, globalLocationCalculator) {
+ return {
+ type,
+ range: [start, end],
+ loc: {
+ start: globalLocationCalculator.getLocation(start),
+ end: globalLocationCalculator.getLocation(end),
+ },
+ value,
+ };
+}
+function parseDirectiveKeyStatically(node, document) {
+ const { name: text, rawName: rawText, range: [offset], loc: { start: { column, line }, }, } = node;
+ const directiveKey = {
+ type: "VDirectiveKey",
+ range: node.range,
+ loc: node.loc,
+ parent: node.parent,
+ name: null,
+ argument: null,
+ modifiers: [],
+ };
+ let i = 0;
+ function createIdentifier(start, end, name) {
+ return {
+ type: "VIdentifier",
+ parent: directiveKey,
+ range: [offset + start, offset + end],
+ loc: {
+ start: { column: column + start, line },
+ end: { column: column + end, line },
+ },
+ name: name || text.slice(start, end),
+ rawName: rawText.slice(start, end),
+ };
+ }
+ if (shorthandSign.test(text)) {
+ const sign = text[0];
+ directiveKey.name = createIdentifier(0, 1, shorthandNameMap[sign]);
+ i = 1;
+ }
+ else {
+ const colon = text.indexOf(":");
+ if (colon !== -1) {
+ directiveKey.name = createIdentifier(0, colon);
+ i = colon + 1;
+ }
+ }
+ if (directiveKey.name != null && text[i] === "[") {
+ const len = text.slice(i).lastIndexOf("]");
+ if (len !== -1) {
+ directiveKey.argument = createIdentifier(i, i + len + 1);
+ i = i + len + 1 + (text[i + len + 1] === "." ? 1 : 0);
+ }
+ }
+ const modifiers = text
+ .slice(i)
+ .split(".")
+ .map(modifierName => {
+ const modifier = createIdentifier(i, i + modifierName.length);
+ if (modifierName === "" && i < text.length) {
+ insertError(document, new ParseError(`Unexpected token '${text[i]}'`, undefined, offset + i, line, column + i));
+ }
+ i += modifierName.length + 1;
+ return modifier;
+ });
+ if (directiveKey.name == null) {
+ directiveKey.name = modifiers.shift();
+ }
+ else if (directiveKey.argument == null && modifiers[0].name !== "") {
+ directiveKey.argument = modifiers.shift() || null;
+ }
+ directiveKey.modifiers = modifiers.filter(isNotEmptyModifier);
+ if (directiveKey.name.name === "v-") {
+ insertError(document, new ParseError(`Unexpected token '${text[directiveKey.name.range[1] - offset]}'`, undefined, directiveKey.name.range[1], directiveKey.name.loc.end.line, directiveKey.name.loc.end.column));
+ }
+ if (directiveKey.name.rawName === "." &&
+ !directiveKey.modifiers.some(isPropModifier)) {
+ const pos = (directiveKey.argument || directiveKey.name).range[1] - offset;
+ const propModifier = createIdentifier(pos, pos, "prop");
+ directiveKey.modifiers.unshift(propModifier);
+ }
+ return directiveKey;
+}
+function isPropModifier(node) {
+ return node.name === "prop";
+}
+function isNotEmptyModifier(node) {
+ return node.name !== "";
+}
+function parseDirectiveKeyTokens(node) {
+ const { name, argument, modifiers } = node;
+ const shorthand = name.range[1] - name.range[0] === 1;
+ const tokens = [];
+ if (shorthand) {
+ tokens.push({
+ type: "Punctuator",
+ range: name.range,
+ loc: name.loc,
+ value: name.rawName,
+ });
+ }
+ else {
+ tokens.push({
+ type: "HTMLIdentifier",
+ range: name.range,
+ loc: name.loc,
+ value: name.rawName,
+ });
+ if (argument) {
+ tokens.push({
+ type: "Punctuator",
+ range: [name.range[1], argument.range[0]],
+ loc: { start: name.loc.end, end: argument.loc.start },
+ value: ":",
+ });
+ }
+ }
+ if (argument) {
+ tokens.push({
+ type: "HTMLIdentifier",
+ range: argument.range,
+ loc: argument.loc,
+ value: argument.rawName,
+ });
+ }
+ let lastNode = argument || name;
+ for (const modifier of modifiers) {
+ if (modifier.rawName === "") {
+ continue;
+ }
+ tokens.push({
+ type: "Punctuator",
+ range: [lastNode.range[1], modifier.range[0]],
+ loc: { start: lastNode.loc.end, end: modifier.loc.start },
+ value: ".",
+ }, {
+ type: "HTMLIdentifier",
+ range: modifier.range,
+ loc: modifier.loc,
+ value: modifier.rawName,
+ });
+ lastNode = modifier;
+ }
+ return tokens;
+}
+function convertDynamicArgument(node, document, parserOptions, locationCalculator) {
+ const { argument } = node;
+ if (!(argument != null &&
+ argument.type === "VIdentifier" &&
+ argument.name.startsWith("[") &&
+ argument.name.endsWith("]"))) {
+ return;
+ }
+ const { rawName, range, loc } = argument;
+ try {
+ const { comments, expression, references, tokens } = parseExpression(rawName.slice(1, -1), locationCalculator.getSubCalculatorAfter(range[0] + 1), parserOptions);
+ node.argument = {
+ type: "VExpressionContainer",
+ range,
+ loc,
+ parent: node,
+ expression,
+ references,
+ };
+ if (expression != null) {
+ expression.parent = node.argument;
+ }
+ tokens.unshift(createSimpleToken("Punctuator", range[0], range[0] + 1, "[", locationCalculator));
+ tokens.push(createSimpleToken("Punctuator", range[1] - 1, range[1], "]", locationCalculator));
+ replaceTokens(document, node.argument, tokens);
+ insertComments(document, comments);
+ }
+ catch (error) {
+ debug("[template] Parse error: %s", error);
+ if (ParseError.isParseError(error)) {
+ node.argument = {
+ type: "VExpressionContainer",
+ range,
+ loc,
+ parent: node,
+ expression: null,
+ references: [],
+ };
+ insertError(document, error);
+ }
+ else {
+ throw error;
+ }
+ }
+}
+function createDirectiveKey(node, document, parserOptions, locationCalculator) {
+ const directiveKey = parseDirectiveKeyStatically(node, document);
+ const tokens = parseDirectiveKeyTokens(directiveKey);
+ replaceTokens(document, directiveKey, tokens);
+ if (directiveKey.name.name.startsWith("v-")) {
+ directiveKey.name.name = directiveKey.name.name.slice(2);
+ }
+ if (directiveKey.name.rawName.startsWith("v-")) {
+ directiveKey.name.rawName = directiveKey.name.rawName.slice(2);
+ }
+ convertDynamicArgument(directiveKey, document, parserOptions, locationCalculator);
+ return directiveKey;
+}
+function byRange0(x) {
+ return x.range[0];
+}
+function byRange1(x) {
+ return x.range[1];
+}
+function byIndex(x) {
+ return x.index;
+}
+function replaceTokens(document, node, newTokens) {
+ if (document == null) {
+ return;
+ }
+ const index = sortedIndexBy(document.tokens, node, byRange0);
+ const count = sortedLastIndexBy(document.tokens, node, byRange1) - index;
+ document.tokens.splice(index, count, ...newTokens);
+}
+function insertComments(document, newComments) {
+ if (document == null || newComments.length === 0) {
+ return;
+ }
+ const index = sortedIndexBy(document.comments, newComments[0], byRange0);
+ document.comments.splice(index, 0, ...newComments);
+}
+function insertError(document, error) {
+ if (document == null) {
+ return;
+ }
+ const index = sortedIndexBy(document.errors, error, byIndex);
+ document.errors.splice(index, 0, error);
+}
+function parseAttributeValue(code, parserOptions, globalLocationCalculator, node, tagName, directiveKey) {
+ const firstChar = code[node.range[0]];
+ const quoted = firstChar === '"' || firstChar === "'";
+ const locationCalculator = globalLocationCalculator.getSubCalculatorAfter(node.range[0] + (quoted ? 1 : 0));
+ const directiveName = directiveKey.name.name;
+ let result;
+ if (quoted && node.value === "") {
+ result = {
+ expression: null,
+ tokens: [],
+ comments: [],
+ variables: [],
+ references: [],
+ };
+ }
+ else if (directiveName === "for") {
+ result = parseVForExpression(node.value, locationCalculator, parserOptions);
+ }
+ else if (directiveName === "on" && directiveKey.argument != null) {
+ result = parseVOnExpression(node.value, locationCalculator, parserOptions);
+ }
+ else if (directiveName === "slot" ||
+ directiveName === "slot-scope" ||
+ (tagName === "template" && directiveName === "scope")) {
+ result = parseSlotScopeExpression(node.value, locationCalculator, parserOptions);
+ }
+ else if (directiveName === "bind") {
+ result = parseExpression(node.value, locationCalculator, parserOptions, { allowFilters: true });
+ }
+ else {
+ result = parseExpression(node.value, locationCalculator, parserOptions);
+ }
+ if (quoted) {
+ result.tokens.unshift(createSimpleToken("Punctuator", node.range[0], node.range[0] + 1, firstChar, globalLocationCalculator));
+ result.tokens.push(createSimpleToken("Punctuator", node.range[1] - 1, node.range[1], firstChar, globalLocationCalculator));
+ }
+ return result;
+}
+function resolveReference(referene, element) {
+ let node = element;
+ while (node != null && node.type === "VElement") {
+ for (const variable of node.variables) {
+ if (variable.id.name === referene.id.name) {
+ referene.variable = variable;
+ variable.references.push(referene);
+ return;
+ }
+ }
+ node = node.parent;
+ }
+}
+function convertToDirective(code, parserOptions, locationCalculator, node) {
+ debug('[template] convert to directive: %s="%s" %j', node.key.name, node.value && node.value.value, node.range);
+ const document = getOwnerDocument(node);
+ const directive = node;
+ directive.directive = true;
+ directive.key = createDirectiveKey(node.key, document, parserOptions, locationCalculator);
+ const { argument } = directive.key;
+ if (argument &&
+ argument.type === "VIdentifier" &&
+ argument.name.startsWith("[")) {
+ const nextChar = code[argument.range[1]];
+ if (nextChar == null || invalidDynamicArgumentNextChar.test(nextChar)) {
+ const char = nextChar == null ? "EOF" : JSON.stringify(nextChar).slice(1, -1);
+ insertError(document, new ParseError(`Dynamic argument cannot contain the '${char}' character.`, undefined, argument.range[1], argument.loc.end.line, argument.loc.end.column));
+ }
+ }
+ if (node.value == null) {
+ return;
+ }
+ try {
+ const ret = parseAttributeValue(code, parserOptions, locationCalculator, node.value, node.parent.parent.name, directive.key);
+ directive.value = {
+ type: "VExpressionContainer",
+ range: node.value.range,
+ loc: node.value.loc,
+ parent: directive,
+ expression: ret.expression,
+ references: ret.references,
+ };
+ if (ret.expression != null) {
+ ret.expression.parent = directive.value;
+ }
+ for (const variable of ret.variables) {
+ node.parent.parent.variables.push(variable);
+ }
+ replaceTokens(document, node.value, ret.tokens);
+ insertComments(document, ret.comments);
+ }
+ catch (err) {
+ debug("[template] Parse error: %s", err);
+ if (ParseError.isParseError(err)) {
+ directive.value = {
+ type: "VExpressionContainer",
+ range: node.value.range,
+ loc: node.value.loc,
+ parent: directive,
+ expression: null,
+ references: [],
+ };
+ insertError(document, err);
+ }
+ else {
+ throw err;
+ }
+ }
+}
+function processMustache(parserOptions, globalLocationCalculator, node, mustache) {
+ const range = [
+ mustache.startToken.range[1],
+ mustache.endToken.range[0],
+ ];
+ debug("[template] convert mustache {{%s}} %j", mustache.value, range);
+ const document = getOwnerDocument(node);
+ try {
+ const locationCalculator = globalLocationCalculator.getSubCalculatorAfter(range[0]);
+ const ret = parseExpression(mustache.value, locationCalculator, parserOptions, { allowEmpty: true, allowFilters: true });
+ node.expression = ret.expression || null;
+ node.references = ret.references;
+ if (ret.expression != null) {
+ ret.expression.parent = node;
+ }
+ replaceTokens(document, { range }, ret.tokens);
+ insertComments(document, ret.comments);
+ }
+ catch (err) {
+ debug("[template] Parse error: %s", err);
+ if (ParseError.isParseError(err)) {
+ insertError(document, err);
+ }
+ else {
+ throw err;
+ }
+ }
+}
+function resolveReferences(container) {
+ let element = container.parent;
+ while (element != null && element.type !== "VElement") {
+ element = element.parent;
+ }
+ if (element != null) {
+ for (const reference of container.references) {
+ resolveReference(reference, element);
+ }
+ }
+}
+
+const SVG_ATTRIBUTE_NAME_MAP = new Map([
+ ["attributename", "attributeName"],
+ ["attributetype", "attributeType"],
+ ["basefrequency", "baseFrequency"],
+ ["baseprofile", "baseProfile"],
+ ["calcmode", "calcMode"],
+ ["clippathunits", "clipPathUnits"],
+ ["diffuseconstant", "diffuseConstant"],
+ ["edgemode", "edgeMode"],
+ ["filterunits", "filterUnits"],
+ ["glyphref", "glyphRef"],
+ ["gradienttransform", "gradientTransform"],
+ ["gradientunits", "gradientUnits"],
+ ["kernelmatrix", "kernelMatrix"],
+ ["kernelunitlength", "kernelUnitLength"],
+ ["keypoints", "keyPoints"],
+ ["keysplines", "keySplines"],
+ ["keytimes", "keyTimes"],
+ ["lengthadjust", "lengthAdjust"],
+ ["limitingconeangle", "limitingConeAngle"],
+ ["markerheight", "markerHeight"],
+ ["markerunits", "markerUnits"],
+ ["markerwidth", "markerWidth"],
+ ["maskcontentunits", "maskContentUnits"],
+ ["maskunits", "maskUnits"],
+ ["numoctaves", "numOctaves"],
+ ["pathlength", "pathLength"],
+ ["patterncontentunits", "patternContentUnits"],
+ ["patterntransform", "patternTransform"],
+ ["patternunits", "patternUnits"],
+ ["pointsatx", "pointsAtX"],
+ ["pointsaty", "pointsAtY"],
+ ["pointsatz", "pointsAtZ"],
+ ["preservealpha", "preserveAlpha"],
+ ["preserveaspectratio", "preserveAspectRatio"],
+ ["primitiveunits", "primitiveUnits"],
+ ["refx", "refX"],
+ ["refy", "refY"],
+ ["repeatcount", "repeatCount"],
+ ["repeatdur", "repeatDur"],
+ ["requiredextensions", "requiredExtensions"],
+ ["requiredfeatures", "requiredFeatures"],
+ ["specularconstant", "specularConstant"],
+ ["specularexponent", "specularExponent"],
+ ["spreadmethod", "spreadMethod"],
+ ["startoffset", "startOffset"],
+ ["stddeviation", "stdDeviation"],
+ ["stitchtiles", "stitchTiles"],
+ ["surfacescale", "surfaceScale"],
+ ["systemlanguage", "systemLanguage"],
+ ["tablevalues", "tableValues"],
+ ["targetx", "targetX"],
+ ["targety", "targetY"],
+ ["textlength", "textLength"],
+ ["viewbox", "viewBox"],
+ ["viewtarget", "viewTarget"],
+ ["xchannelselector", "xChannelSelector"],
+ ["ychannelselector", "yChannelSelector"],
+ ["zoomandpan", "zoomAndPan"],
+]);
+const MATHML_ATTRIBUTE_NAME_MAP = new Map([
+ ["definitionurl", "definitionUrl"]
+]);
+
+const HTML_VOID_ELEMENT_TAGS = new Set([
+ "area", "base", "br", "col", "embed", "hr", "img", "input", "link", "meta",
+ "param", "source", "track", "wbr",
+]);
+const HTML_CAN_BE_LEFT_OPEN_TAGS = new Set([
+ "colgroup", "li", "options", "p", "td", "tfoot", "th", "thead",
+ "tr", "source",
+]);
+const HTML_NON_FHRASING_TAGS = new Set([
+ "address", "article", "aside", "base", "blockquote", "body", "caption",
+ "col", "colgroup", "dd", "details", "dialog", "div", "dl", "dt", "fieldset",
+ "figcaption", "figure", "footer", "form", "h1", "h2", "h3", "h4", "h5",
+ "h6", "head", "header", "hgroup", "hr", "html", "legend", "li", "menuitem",
+ "meta", "optgroup", "option", "param", "rp", "rt", "source", "style",
+ "summary", "tbody", "td", "tfoot", "th", "thead", "title", "tr", "track",
+]);
+const HTML_RCDATA_TAGS = new Set([
+ "title", "textarea",
+]);
+const HTML_RAWTEXT_TAGS = new Set([
+ "style", "xmp", "iframe", "noembed", "noframes", "noscript", "script",
+]);
+const SVG_TAGS = new Set([
+ "a", "altGlyph", "altGlyphDef", "altGlyphItem", "animate", "animateColor",
+ "animateMotion", "animateTransform", "animation", "audio", "canvas",
+ "circle", "clipPath", "color-profile", "cursor", "defs", "desc", "discard",
+ "ellipse", "feBlend", "feColorMatrix", "feComponentTransfer", "feComposite",
+ "feConvolveMatrix", "feDiffuseLighting", "feDisplacementMap",
+ "feDistantLight", "feDropShadow", "feFlood", "feFuncA", "feFuncB",
+ "feFuncG", "feFuncR", "feGaussianBlur", "feImage", "feMerge", "feMergeNode",
+ "feMorphology", "feOffset", "fePointLight", "feSpecularLighting",
+ "feSpotLight", "feTile", "feTurbulence", "filter", "font", "font-face",
+ "font-face-format", "font-face-name", "font-face-src", "font-face-uri",
+ "foreignObject", "g", "glyph", "glyphRef", "handler", "hatch", "hatchpath",
+ "hkern", "iframe", "image", "line", "linearGradient", "listener", "marker",
+ "mask", "mesh", "meshgradient", "meshpatch", "meshrow", "metadata",
+ "missing-glyph", "mpath", "path", "pattern", "polygon", "polyline",
+ "prefetch", "radialGradient", "rect", "script", "set", "solidColor",
+ "solidcolor", "stop", "style", "svg", "switch", "symbol", "tbreak", "text",
+ "textArea", "textPath", "title", "tref", "tspan", "unknown", "use", "video",
+ "view", "vkern",
+]);
+const SVG_ELEMENT_NAME_MAP = new Map();
+for (const name of SVG_TAGS) {
+ if (/[A-Z]/.test(name)) {
+ SVG_ELEMENT_NAME_MAP.set(name.toLowerCase(), name);
+ }
+}
+
+const DUMMY_PARENT$1 = Object.freeze({});
+function concat(text, token) {
+ return text + token.value;
+}
+class IntermediateTokenizer {
+ get text() {
+ return this.tokenizer.text;
+ }
+ get errors() {
+ return this.tokenizer.errors;
+ }
+ get state() {
+ return this.tokenizer.state;
+ }
+ set state(value) {
+ this.tokenizer.state = value;
+ }
+ get namespace() {
+ return this.tokenizer.namespace;
+ }
+ set namespace(value) {
+ this.tokenizer.namespace = value;
+ }
+ get expressionEnabled() {
+ return this.tokenizer.expressionEnabled;
+ }
+ set expressionEnabled(value) {
+ this.tokenizer.expressionEnabled = value;
+ }
+ constructor(tokenizer) {
+ this.tokenizer = tokenizer;
+ this.currentToken = null;
+ this.attribute = null;
+ this.attributeNames = new Set();
+ this.expressionStartToken = null;
+ this.expressionTokens = [];
+ this.tokens = [];
+ this.comments = [];
+ }
+ nextToken() {
+ let token = null;
+ let result = null;
+ while (result == null && (token = this.tokenizer.nextToken()) != null) {
+ result = this[token.type](token);
+ }
+ if (result == null && token == null && this.currentToken != null) {
+ result = this.commit();
+ }
+ return result;
+ }
+ commit() {
+ assert(this.currentToken != null || this.expressionStartToken != null);
+ let token = this.currentToken;
+ this.currentToken = null;
+ this.attribute = null;
+ if (this.expressionStartToken != null) {
+ const start = this.expressionStartToken;
+ const end = last(this.expressionTokens) || start;
+ const value = this.expressionTokens.reduce(concat, start.value);
+ this.expressionStartToken = null;
+ this.expressionTokens = [];
+ if (token == null) {
+ token = {
+ type: "Text",
+ range: [start.range[0], end.range[1]],
+ loc: { start: start.loc.start, end: end.loc.end },
+ value,
+ };
+ }
+ else if (token.type === "Text") {
+ token.range[1] = end.range[1];
+ token.loc.end = end.loc.end;
+ token.value += value;
+ }
+ else {
+ throw new Error("unreachable");
+ }
+ }
+ return token;
+ }
+ reportParseError(token, code) {
+ const error = ParseError.fromCode(code, token.range[0], token.loc.start.line, token.loc.start.column);
+ this.errors.push(error);
+ debug("[html] syntax error:", error.message);
+ }
+ processComment(token) {
+ this.comments.push(token);
+ if (this.currentToken != null && this.currentToken.type === "Text") {
+ return this.commit();
+ }
+ return null;
+ }
+ processText(token) {
+ this.tokens.push(token);
+ let result = null;
+ if (this.expressionStartToken != null) {
+ const lastToken = last(this.expressionTokens) || this.expressionStartToken;
+ if (lastToken.range[1] === token.range[0]) {
+ this.expressionTokens.push(token);
+ return null;
+ }
+ result = this.commit();
+ }
+ else if (this.currentToken != null) {
+ if (this.currentToken.type === "Text" &&
+ this.currentToken.range[1] === token.range[0]) {
+ this.currentToken.value += token.value;
+ this.currentToken.range[1] = token.range[1];
+ this.currentToken.loc.end = token.loc.end;
+ return null;
+ }
+ result = this.commit();
+ }
+ assert(this.currentToken == null);
+ this.currentToken = {
+ type: "Text",
+ range: [token.range[0], token.range[1]],
+ loc: { start: token.loc.start, end: token.loc.end },
+ value: token.value,
+ };
+ return result;
+ }
+ HTMLAssociation(token) {
+ this.tokens.push(token);
+ if (this.attribute != null) {
+ this.attribute.range[1] = token.range[1];
+ this.attribute.loc.end = token.loc.end;
+ if (this.currentToken == null ||
+ this.currentToken.type !== "StartTag") {
+ throw new Error("unreachable");
+ }
+ this.currentToken.range[1] = token.range[1];
+ this.currentToken.loc.end = token.loc.end;
+ }
+ return null;
+ }
+ HTMLBogusComment(token) {
+ return this.processComment(token);
+ }
+ HTMLCDataText(token) {
+ return this.processText(token);
+ }
+ HTMLComment(token) {
+ return this.processComment(token);
+ }
+ HTMLEndTagOpen(token) {
+ this.tokens.push(token);
+ let result = null;
+ if (this.currentToken != null || this.expressionStartToken != null) {
+ result = this.commit();
+ }
+ this.currentToken = {
+ type: "EndTag",
+ range: [token.range[0], token.range[1]],
+ loc: { start: token.loc.start, end: token.loc.end },
+ name: token.value,
+ };
+ return result;
+ }
+ HTMLIdentifier(token) {
+ this.tokens.push(token);
+ if (this.currentToken == null ||
+ this.currentToken.type === "Text" ||
+ this.currentToken.type === "Mustache") {
+ throw new Error("unreachable");
+ }
+ if (this.currentToken.type === "EndTag") {
+ this.reportParseError(token, "end-tag-with-attributes");
+ return null;
+ }
+ if (this.attributeNames.has(token.value)) {
+ this.reportParseError(token, "duplicate-attribute");
+ }
+ this.attributeNames.add(token.value);
+ this.attribute = {
+ type: "VAttribute",
+ range: [token.range[0], token.range[1]],
+ loc: { start: token.loc.start, end: token.loc.end },
+ parent: DUMMY_PARENT$1,
+ directive: false,
+ key: {
+ type: "VIdentifier",
+ range: [token.range[0], token.range[1]],
+ loc: { start: token.loc.start, end: token.loc.end },
+ parent: DUMMY_PARENT$1,
+ name: token.value,
+ rawName: this.text.slice(token.range[0], token.range[1]),
+ },
+ value: null,
+ };
+ this.attribute.key.parent = this.attribute;
+ this.currentToken.range[1] = token.range[1];
+ this.currentToken.loc.end = token.loc.end;
+ this.currentToken.attributes.push(this.attribute);
+ return null;
+ }
+ HTMLLiteral(token) {
+ this.tokens.push(token);
+ if (this.attribute != null) {
+ this.attribute.range[1] = token.range[1];
+ this.attribute.loc.end = token.loc.end;
+ this.attribute.value = {
+ type: "VLiteral",
+ range: [token.range[0], token.range[1]],
+ loc: { start: token.loc.start, end: token.loc.end },
+ parent: this.attribute,
+ value: token.value,
+ };
+ if (this.currentToken == null ||
+ this.currentToken.type !== "StartTag") {
+ throw new Error("unreachable");
+ }
+ this.currentToken.range[1] = token.range[1];
+ this.currentToken.loc.end = token.loc.end;
+ }
+ return null;
+ }
+ HTMLRCDataText(token) {
+ return this.processText(token);
+ }
+ HTMLRawText(token) {
+ return this.processText(token);
+ }
+ HTMLSelfClosingTagClose(token) {
+ this.tokens.push(token);
+ if (this.currentToken == null || this.currentToken.type === "Text") {
+ throw new Error("unreachable");
+ }
+ if (this.currentToken.type === "StartTag") {
+ this.currentToken.selfClosing = true;
+ }
+ else {
+ this.reportParseError(token, "end-tag-with-trailing-solidus");
+ }
+ this.currentToken.range[1] = token.range[1];
+ this.currentToken.loc.end = token.loc.end;
+ return this.commit();
+ }
+ HTMLTagClose(token) {
+ this.tokens.push(token);
+ if (this.currentToken == null || this.currentToken.type === "Text") {
+ throw new Error("unreachable");
+ }
+ this.currentToken.range[1] = token.range[1];
+ this.currentToken.loc.end = token.loc.end;
+ return this.commit();
+ }
+ HTMLTagOpen(token) {
+ this.tokens.push(token);
+ let result = null;
+ if (this.currentToken != null || this.expressionStartToken != null) {
+ result = this.commit();
+ }
+ this.currentToken = {
+ type: "StartTag",
+ range: [token.range[0], token.range[1]],
+ loc: { start: token.loc.start, end: token.loc.end },
+ name: token.value,
+ rawName: this.text.slice(token.range[0] + 1, token.range[1]),
+ selfClosing: false,
+ attributes: [],
+ };
+ this.attribute = null;
+ this.attributeNames.clear();
+ return result;
+ }
+ HTMLText(token) {
+ return this.processText(token);
+ }
+ HTMLWhitespace(token) {
+ return this.processText(token);
+ }
+ VExpressionStart(token) {
+ if (this.expressionStartToken != null) {
+ return this.processText(token);
+ }
+ const separated = this.currentToken != null &&
+ this.currentToken.range[1] !== token.range[0];
+ const result = separated ? this.commit() : null;
+ this.tokens.push(token);
+ this.expressionStartToken = token;
+ return result;
+ }
+ VExpressionEnd(token) {
+ if (this.expressionStartToken == null) {
+ return this.processText(token);
+ }
+ const start = this.expressionStartToken;
+ const end = last(this.expressionTokens) || start;
+ if (token.range[0] === start.range[1]) {
+ this.tokens.pop();
+ this.expressionStartToken = null;
+ const result = this.processText(start);
+ this.processText(token);
+ return result;
+ }
+ if (end.range[1] !== token.range[0]) {
+ const result = this.commit();
+ this.processText(token);
+ return result;
+ }
+ const value = this.expressionTokens.reduce(concat, "");
+ this.tokens.push(token);
+ this.expressionStartToken = null;
+ this.expressionTokens = [];
+ const result = this.currentToken != null ? this.commit() : null;
+ this.currentToken = {
+ type: "Mustache",
+ range: [start.range[0], token.range[1]],
+ loc: { start: start.loc.start, end: token.loc.end },
+ value,
+ startToken: start,
+ endToken: token,
+ };
+ return result || this.commit();
+ }
+}
+
+const DIRECTIVE_NAME = /^(?:v-|[.:@#]).*[^.:@#]$/u;
+const DT_DD = /^d[dt]$/u;
+const DUMMY_PARENT$2 = Object.freeze({});
+function isMathMLIntegrationPoint(element) {
+ if (element.namespace === NS.MathML) {
+ const name = element.name;
+ return (name === "mi" ||
+ name === "mo" ||
+ name === "mn" ||
+ name === "ms" ||
+ name === "mtext");
+ }
+ return false;
+}
+function isHTMLIntegrationPoint(element) {
+ if (element.namespace === NS.MathML) {
+ return (element.name === "annotation-xml" &&
+ element.startTag.attributes.some(a => a.directive === false &&
+ a.key.name === "encoding" &&
+ a.value != null &&
+ (a.value.value === "text/html" ||
+ a.value.value === "application/xhtml+xml")));
+ }
+ if (element.namespace === NS.SVG) {
+ const name = element.name;
+ return name === "foreignObject" || name === "desc" || name === "title";
+ }
+ return false;
+}
+function adjustElementName(name, namespace) {
+ if (namespace === NS.SVG) {
+ return SVG_ELEMENT_NAME_MAP.get(name) || name;
+ }
+ return name;
+}
+function adjustAttributeName(name, namespace) {
+ if (namespace === NS.SVG) {
+ return SVG_ATTRIBUTE_NAME_MAP.get(name) || name;
+ }
+ if (namespace === NS.MathML) {
+ return MATHML_ATTRIBUTE_NAME_MAP.get(name) || name;
+ }
+ return name;
+}
+function propagateEndLocation(node) {
+ const lastChild = (node.type === "VElement" ? node.endTag : null) || last(node.children);
+ if (lastChild != null) {
+ node.range[1] = lastChild.range[1];
+ node.loc.end = lastChild.loc.end;
+ }
+}
+class Parser {
+ get text() {
+ return this.tokenizer.text;
+ }
+ get tokens() {
+ return this.tokenizer.tokens;
+ }
+ get comments() {
+ return this.tokenizer.comments;
+ }
+ get errors() {
+ return this.tokenizer.errors;
+ }
+ get namespace() {
+ return this.tokenizer.namespace;
+ }
+ set namespace(value) {
+ this.tokenizer.namespace = value;
+ }
+ get expressionEnabled() {
+ return this.tokenizer.expressionEnabled;
+ }
+ set expressionEnabled(value) {
+ this.tokenizer.expressionEnabled = value;
+ }
+ get currentNode() {
+ return last(this.elementStack) || this.document;
+ }
+ get isInVPreElement() {
+ return this.vPreElement != null;
+ }
+ constructor(tokenizer, parserOptions) {
+ this.tokenizer = new IntermediateTokenizer(tokenizer);
+ this.locationCalculator = new LocationCalculator(tokenizer.gaps, tokenizer.lineTerminators);
+ this.parserOptions = parserOptions;
+ this.document = {
+ type: "VDocumentFragment",
+ range: [0, 0],
+ loc: {
+ start: { line: 1, column: 0 },
+ end: { line: 1, column: 0 },
+ },
+ parent: null,
+ children: [],
+ tokens: this.tokens,
+ comments: this.comments,
+ errors: this.errors,
+ };
+ this.elementStack = [];
+ this.vPreElement = null;
+ }
+ parse() {
+ let token = null;
+ while ((token = this.tokenizer.nextToken()) != null) {
+ this[token.type](token);
+ }
+ this.popElementStackUntil(0);
+ propagateEndLocation(this.document);
+ return this.document;
+ }
+ reportParseError(token, code) {
+ const error = ParseError.fromCode(code, token.range[0], token.loc.start.line, token.loc.start.column);
+ this.errors.push(error);
+ debug("[html] syntax error:", error.message);
+ }
+ popElementStack() {
+ assert(this.elementStack.length >= 1);
+ const element = this.elementStack.pop();
+ propagateEndLocation(element);
+ const current = this.currentNode;
+ this.namespace =
+ current.type === "VElement" ? current.namespace : NS.HTML;
+ if (this.vPreElement === element) {
+ this.vPreElement = null;
+ this.expressionEnabled = true;
+ }
+ if (this.elementStack.length === 0) {
+ this.expressionEnabled = false;
+ }
+ }
+ popElementStackUntil(index) {
+ while (this.elementStack.length > index) {
+ this.popElementStack();
+ }
+ }
+ detectNamespace(token) {
+ const name = token.name;
+ let ns = this.namespace;
+ if (ns === NS.MathML || ns === NS.SVG) {
+ const element = this.currentNode;
+ if (element.type === "VElement") {
+ if (element.namespace === NS.MathML &&
+ element.name === "annotation-xml" &&
+ name === "svg") {
+ return NS.SVG;
+ }
+ if (isHTMLIntegrationPoint(element) ||
+ (isMathMLIntegrationPoint(element) &&
+ name !== "mglyph" &&
+ name !== "malignmark")) {
+ ns = NS.HTML;
+ }
+ }
+ }
+ if (ns === NS.HTML) {
+ if (name === "svg") {
+ return NS.SVG;
+ }
+ if (name === "math") {
+ return NS.MathML;
+ }
+ }
+ if (name === "template") {
+ const xmlns = token.attributes.find(a => a.key.name === "xmlns");
+ const value = xmlns && xmlns.value && xmlns.value.value;
+ if (value === NS.HTML || value === NS.MathML || value === NS.SVG) {
+ return value;
+ }
+ }
+ return ns;
+ }
+ closeCurrentElementIfNecessary(name) {
+ const element = this.currentNode;
+ if (element.type !== "VElement") {
+ return;
+ }
+ if (element.name === "p" && HTML_NON_FHRASING_TAGS.has(name)) {
+ this.popElementStack();
+ }
+ if (element.name === name && HTML_CAN_BE_LEFT_OPEN_TAGS.has(name)) {
+ this.popElementStack();
+ }
+ if (DT_DD.test(element.name) && DT_DD.test(name)) {
+ this.popElementStack();
+ }
+ }
+ processAttribute(node, namespace) {
+ const tagName = node.parent.parent.name;
+ const attrName = node.key.name;
+ if ((this.expressionEnabled ||
+ (attrName === "v-pre" && !this.isInVPreElement)) &&
+ (DIRECTIVE_NAME.test(attrName) ||
+ attrName === "slot-scope" ||
+ (tagName === "template" && attrName === "scope"))) {
+ convertToDirective(this.text, this.parserOptions, this.locationCalculator, node);
+ return;
+ }
+ const key = (node.key.name = adjustAttributeName(node.key.name, namespace));
+ const value = node.value && node.value.value;
+ if (key === "xmlns" && value !== namespace) {
+ this.reportParseError(node, "x-invalid-namespace");
+ }
+ else if (key === "xmlns:xlink" && value !== NS.XLink) {
+ this.reportParseError(node, "x-invalid-namespace");
+ }
+ }
+ StartTag(token) {
+ debug("[html] StartTag %j", token);
+ this.closeCurrentElementIfNecessary(token.name);
+ const parent = this.currentNode;
+ const namespace = this.detectNamespace(token);
+ const element = {
+ type: "VElement",
+ range: [token.range[0], token.range[1]],
+ loc: { start: token.loc.start, end: token.loc.end },
+ parent,
+ name: adjustElementName(token.name, namespace),
+ rawName: token.rawName,
+ namespace,
+ startTag: {
+ type: "VStartTag",
+ range: token.range,
+ loc: token.loc,
+ parent: DUMMY_PARENT$2,
+ selfClosing: token.selfClosing,
+ attributes: token.attributes,
+ },
+ children: [],
+ endTag: null,
+ variables: [],
+ };
+ const hasVPre = !this.isInVPreElement &&
+ token.attributes.some(a => a.key.name === "v-pre");
+ if (hasVPre) {
+ this.expressionEnabled = false;
+ }
+ parent.children.push(element);
+ element.startTag.parent = element;
+ for (const attribute of token.attributes) {
+ attribute.parent = element.startTag;
+ this.processAttribute(attribute, namespace);
+ }
+ for (const attribute of element.startTag.attributes) {
+ if (attribute.directive) {
+ if (attribute.key.argument != null &&
+ attribute.key.argument.type === "VExpressionContainer") {
+ resolveReferences(attribute.key.argument);
+ }
+ if (attribute.value != null) {
+ resolveReferences(attribute.value);
+ }
+ }
+ }
+ const isVoid = namespace === NS.HTML && HTML_VOID_ELEMENT_TAGS.has(element.name);
+ if (token.selfClosing && !isVoid && namespace === NS.HTML) {
+ this.reportParseError(token, "non-void-html-element-start-tag-with-trailing-solidus");
+ }
+ if (token.selfClosing || isVoid) {
+ this.expressionEnabled = !this.isInVPreElement;
+ return;
+ }
+ this.elementStack.push(element);
+ if (hasVPre) {
+ assert(this.vPreElement === null);
+ this.vPreElement = element;
+ }
+ this.namespace = namespace;
+ if (namespace === NS.HTML) {
+ if (element.name === "template" &&
+ element.parent.type === "VDocumentFragment") {
+ const langAttr = element.startTag.attributes.find(a => !a.directive && a.key.name === "lang");
+ const lang = (langAttr && langAttr.value && langAttr.value.value) ||
+ "html";
+ if (lang !== "html") {
+ this.tokenizer.state = "RAWTEXT";
+ }
+ this.expressionEnabled = true;
+ }
+ if (HTML_RCDATA_TAGS.has(element.name)) {
+ this.tokenizer.state = "RCDATA";
+ }
+ if (HTML_RAWTEXT_TAGS.has(element.name)) {
+ this.tokenizer.state = "RAWTEXT";
+ }
+ }
+ }
+ EndTag(token) {
+ debug("[html] EndTag %j", token);
+ const i = findLastIndex(this.elementStack, el => el.name.toLowerCase() === token.name);
+ if (i === -1) {
+ this.reportParseError(token, "x-invalid-end-tag");
+ return;
+ }
+ const element = this.elementStack[i];
+ element.endTag = {
+ type: "VEndTag",
+ range: token.range,
+ loc: token.loc,
+ parent: element,
+ };
+ this.popElementStackUntil(i);
+ }
+ Text(token) {
+ debug("[html] Text %j", token);
+ const parent = this.currentNode;
+ parent.children.push({
+ type: "VText",
+ range: token.range,
+ loc: token.loc,
+ parent,
+ value: token.value,
+ });
+ }
+ Mustache(token) {
+ debug("[html] Mustache %j", token);
+ const parent = this.currentNode;
+ const container = {
+ type: "VExpressionContainer",
+ range: token.range,
+ loc: token.loc,
+ parent,
+ expression: null,
+ references: [],
+ };
+ processMustache(this.parserOptions, this.locationCalculator, container, token);
+ parent.children.push(container);
+ resolveReferences(container);
+ }
+}
+
+const alternativeCR = new Map([[128, 8364], [130, 8218], [131, 402], [132, 8222], [133, 8230], [134, 8224], [135, 8225], [136, 710], [137, 8240], [138, 352], [139, 8249], [140, 338], [142, 381], [145, 8216], [146, 8217], [147, 8220], [148, 8221], [149, 8226], [150, 8211], [151, 8212], [152, 732], [153, 8482], [154, 353], [155, 8250], [156, 339], [158, 382], [159, 376]]);
+
+const entitySets = [{ "length": 32, "entities": { "CounterClockwiseContourIntegral;": [8755] } }, { "length": 25, "entities": { "ClockwiseContourIntegral;": [8754], "DoubleLongLeftRightArrow;": [10234] } }, { "length": 24, "entities": { "NotNestedGreaterGreater;": [10914, 824] } }, { "length": 23, "entities": { "DiacriticalDoubleAcute;": [733], "NotSquareSupersetEqual;": [8931] } }, { "length": 22, "entities": { "CloseCurlyDoubleQuote;": [8221], "DoubleContourIntegral;": [8751], "FilledVerySmallSquare;": [9642], "NegativeVeryThinSpace;": [8203], "NotPrecedesSlantEqual;": [8928], "NotRightTriangleEqual;": [8941], "NotSucceedsSlantEqual;": [8929] } }, { "length": 21, "entities": { "CapitalDifferentialD;": [8517], "DoubleLeftRightArrow;": [8660], "DoubleLongRightArrow;": [10233], "EmptyVerySmallSquare;": [9643], "NestedGreaterGreater;": [8811], "NotDoubleVerticalBar;": [8742], "NotGreaterSlantEqual;": [10878, 824], "NotLeftTriangleEqual;": [8940], "NotSquareSubsetEqual;": [8930], "OpenCurlyDoubleQuote;": [8220], "ReverseUpEquilibrium;": [10607] } }, { "length": 20, "entities": { "DoubleLongLeftArrow;": [10232], "DownLeftRightVector;": [10576], "LeftArrowRightArrow;": [8646], "NegativeMediumSpace;": [8203], "NotGreaterFullEqual;": [8807, 824], "NotRightTriangleBar;": [10704, 824], "RightArrowLeftArrow;": [8644], "SquareSupersetEqual;": [8850], "leftrightsquigarrow;": [8621] } }, { "length": 19, "entities": { "DownRightTeeVector;": [10591], "DownRightVectorBar;": [10583], "LongLeftRightArrow;": [10231], "Longleftrightarrow;": [10234], "NegativeThickSpace;": [8203], "NotLeftTriangleBar;": [10703, 824], "PrecedesSlantEqual;": [8828], "ReverseEquilibrium;": [8651], "RightDoubleBracket;": [10215], "RightDownTeeVector;": [10589], "RightDownVectorBar;": [10581], "RightTriangleEqual;": [8885], "SquareIntersection;": [8851], "SucceedsSlantEqual;": [8829], "blacktriangleright;": [9656], "longleftrightarrow;": [10231] } }, { "length": 18, "entities": { "DoubleUpDownArrow;": [8661], "DoubleVerticalBar;": [8741], "DownLeftTeeVector;": [10590], "DownLeftVectorBar;": [10582], "FilledSmallSquare;": [9724], "GreaterSlantEqual;": [10878], "LeftDoubleBracket;": [10214], "LeftDownTeeVector;": [10593], "LeftDownVectorBar;": [10585], "LeftTriangleEqual;": [8884], "NegativeThinSpace;": [8203], "NotGreaterGreater;": [8811, 824], "NotLessSlantEqual;": [10877, 824], "NotNestedLessLess;": [10913, 824], "NotReverseElement;": [8716], "NotSquareSuperset;": [8848, 824], "NotTildeFullEqual;": [8775], "RightAngleBracket;": [10217], "RightUpDownVector;": [10575], "SquareSubsetEqual;": [8849], "VerticalSeparator;": [10072], "blacktriangledown;": [9662], "blacktriangleleft;": [9666], "leftrightharpoons;": [8651], "rightleftharpoons;": [8652], "twoheadrightarrow;": [8608] } }, { "length": 17, "entities": { "DiacriticalAcute;": [180], "DiacriticalGrave;": [96], "DiacriticalTilde;": [732], "DoubleRightArrow;": [8658], "DownArrowUpArrow;": [8693], "EmptySmallSquare;": [9723], "GreaterEqualLess;": [8923], "GreaterFullEqual;": [8807], "LeftAngleBracket;": [10216], "LeftUpDownVector;": [10577], "LessEqualGreater;": [8922], "NonBreakingSpace;": [160], "NotPrecedesEqual;": [10927, 824], "NotRightTriangle;": [8939], "NotSucceedsEqual;": [10928, 824], "NotSucceedsTilde;": [8831, 824], "NotSupersetEqual;": [8841], "RightTriangleBar;": [10704], "RightUpTeeVector;": [10588], "RightUpVectorBar;": [10580], "UnderParenthesis;": [9181], "UpArrowDownArrow;": [8645], "circlearrowright;": [8635], "downharpoonright;": [8642], "ntrianglerighteq;": [8941], "rightharpoondown;": [8641], "rightrightarrows;": [8649], "twoheadleftarrow;": [8606], "vartriangleright;": [8883] } }, { "length": 16, "entities": { "CloseCurlyQuote;": [8217], "ContourIntegral;": [8750], "DoubleDownArrow;": [8659], "DoubleLeftArrow;": [8656], "DownRightVector;": [8641], "LeftRightVector;": [10574], "LeftTriangleBar;": [10703], "LeftUpTeeVector;": [10592], "LeftUpVectorBar;": [10584], "LowerRightArrow;": [8600], "NotGreaterEqual;": [8817], "NotGreaterTilde;": [8821], "NotHumpDownHump;": [8782, 824], "NotLeftTriangle;": [8938], "NotSquareSubset;": [8847, 824], "OverParenthesis;": [9180], "RightDownVector;": [8642], "ShortRightArrow;": [8594], "UpperRightArrow;": [8599], "bigtriangledown;": [9661], "circlearrowleft;": [8634], "curvearrowright;": [8631], "downharpoonleft;": [8643], "leftharpoondown;": [8637], "leftrightarrows;": [8646], "nLeftrightarrow;": [8654], "nleftrightarrow;": [8622], "ntrianglelefteq;": [8940], "rightleftarrows;": [8644], "rightsquigarrow;": [8605], "rightthreetimes;": [8908], "straightepsilon;": [1013], "trianglerighteq;": [8885], "vartriangleleft;": [8882] } }, { "length": 15, "entities": { "DiacriticalDot;": [729], "DoubleRightTee;": [8872], "DownLeftVector;": [8637], "GreaterGreater;": [10914], "HorizontalLine;": [9472], "InvisibleComma;": [8291], "InvisibleTimes;": [8290], "LeftDownVector;": [8643], "LeftRightArrow;": [8596], "Leftrightarrow;": [8660], "LessSlantEqual;": [10877], "LongRightArrow;": [10230], "Longrightarrow;": [10233], "LowerLeftArrow;": [8601], "NestedLessLess;": [8810], "NotGreaterLess;": [8825], "NotLessGreater;": [8824], "NotSubsetEqual;": [8840], "NotVerticalBar;": [8740], "OpenCurlyQuote;": [8216], "ReverseElement;": [8715], "RightTeeVector;": [10587], "RightVectorBar;": [10579], "ShortDownArrow;": [8595], "ShortLeftArrow;": [8592], "SquareSuperset;": [8848], "TildeFullEqual;": [8773], "UpperLeftArrow;": [8598], "ZeroWidthSpace;": [8203], "curvearrowleft;": [8630], "doublebarwedge;": [8966], "downdownarrows;": [8650], "hookrightarrow;": [8618], "leftleftarrows;": [8647], "leftrightarrow;": [8596], "leftthreetimes;": [8907], "longrightarrow;": [10230], "looparrowright;": [8620], "nshortparallel;": [8742], "ntriangleright;": [8939], "rightarrowtail;": [8611], "rightharpoonup;": [8640], "trianglelefteq;": [8884], "upharpoonright;": [8638] } }, { "length": 14, "entities": { "ApplyFunction;": [8289], "DifferentialD;": [8518], "DoubleLeftTee;": [10980], "DoubleUpArrow;": [8657], "LeftTeeVector;": [10586], "LeftVectorBar;": [10578], "LessFullEqual;": [8806], "LongLeftArrow;": [10229], "Longleftarrow;": [10232], "NotEqualTilde;": [8770, 824], "NotTildeEqual;": [8772], "NotTildeTilde;": [8777], "Poincareplane;": [8460], "PrecedesEqual;": [10927], "PrecedesTilde;": [8830], "RightArrowBar;": [8677], "RightTeeArrow;": [8614], "RightTriangle;": [8883], "RightUpVector;": [8638], "SucceedsEqual;": [10928], "SucceedsTilde;": [8831], "SupersetEqual;": [8839], "UpEquilibrium;": [10606], "VerticalTilde;": [8768], "VeryThinSpace;": [8202], "bigtriangleup;": [9651], "blacktriangle;": [9652], "divideontimes;": [8903], "fallingdotseq;": [8786], "hookleftarrow;": [8617], "leftarrowtail;": [8610], "leftharpoonup;": [8636], "longleftarrow;": [10229], "looparrowleft;": [8619], "measuredangle;": [8737], "ntriangleleft;": [8938], "shortparallel;": [8741], "smallsetminus;": [8726], "triangleright;": [9657], "upharpoonleft;": [8639], "varsubsetneqq;": [10955, 65024], "varsupsetneqq;": [10956, 65024] } }, { "length": 13, "entities": { "DownArrowBar;": [10515], "DownTeeArrow;": [8615], "ExponentialE;": [8519], "GreaterEqual;": [8805], "GreaterTilde;": [8819], "HilbertSpace;": [8459], "HumpDownHump;": [8782], "Intersection;": [8898], "LeftArrowBar;": [8676], "LeftTeeArrow;": [8612], "LeftTriangle;": [8882], "LeftUpVector;": [8639], "NotCongruent;": [8802], "NotHumpEqual;": [8783, 824], "NotLessEqual;": [8816], "NotLessTilde;": [8820], "Proportional;": [8733], "RightCeiling;": [8969], "RoundImplies;": [10608], "ShortUpArrow;": [8593], "SquareSubset;": [8847], "UnderBracket;": [9141], "VerticalLine;": [124], "blacklozenge;": [10731], "exponentiale;": [8519], "risingdotseq;": [8787], "triangledown;": [9663], "triangleleft;": [9667], "varsubsetneq;": [8842, 65024], "varsupsetneq;": [8843, 65024] } }, { "length": 12, "entities": { "CircleMinus;": [8854], "CircleTimes;": [8855], "Equilibrium;": [8652], "GreaterLess;": [8823], "LeftCeiling;": [8968], "LessGreater;": [8822], "MediumSpace;": [8287], "NotLessLess;": [8810, 824], "NotPrecedes;": [8832], "NotSucceeds;": [8833], "NotSuperset;": [8835, 8402], "OverBracket;": [9140], "RightVector;": [8640], "Rrightarrow;": [8667], "RuleDelayed;": [10740], "SmallCircle;": [8728], "SquareUnion;": [8852], "SubsetEqual;": [8838], "UpDownArrow;": [8597], "Updownarrow;": [8661], "VerticalBar;": [8739], "backepsilon;": [1014], "blacksquare;": [9642], "circledcirc;": [8858], "circleddash;": [8861], "curlyeqprec;": [8926], "curlyeqsucc;": [8927], "diamondsuit;": [9830], "eqslantless;": [10901], "expectation;": [8496], "nRightarrow;": [8655], "nrightarrow;": [8603], "preccurlyeq;": [8828], "precnapprox;": [10937], "quaternions;": [8461], "straightphi;": [981], "succcurlyeq;": [8829], "succnapprox;": [10938], "thickapprox;": [8776], "updownarrow;": [8597] } }, { "length": 11, "entities": { "Bernoullis;": [8492], "CirclePlus;": [8853], "EqualTilde;": [8770], "Fouriertrf;": [8497], "ImaginaryI;": [8520], "Laplacetrf;": [8466], "LeftVector;": [8636], "Lleftarrow;": [8666], "NotElement;": [8713], "NotGreater;": [8815], "Proportion;": [8759], "RightArrow;": [8594], "RightFloor;": [8971], "Rightarrow;": [8658], "ThickSpace;": [8287, 8202], "TildeEqual;": [8771], "TildeTilde;": [8776], "UnderBrace;": [9183], "UpArrowBar;": [10514], "UpTeeArrow;": [8613], "circledast;": [8859], "complement;": [8705], "curlywedge;": [8911], "eqslantgtr;": [10902], "gtreqqless;": [10892], "lessapprox;": [10885], "lesseqqgtr;": [10891], "lmoustache;": [9136], "longmapsto;": [10236], "mapstodown;": [8615], "mapstoleft;": [8612], "nLeftarrow;": [8653], "nleftarrow;": [8602], "nsubseteqq;": [10949, 824], "nsupseteqq;": [10950, 824], "precapprox;": [10935], "rightarrow;": [8594], "rmoustache;": [9137], "sqsubseteq;": [8849], "sqsupseteq;": [8850], "subsetneqq;": [10955], "succapprox;": [10936], "supsetneqq;": [10956], "upuparrows;": [8648], "varepsilon;": [1013], "varnothing;": [8709] } }, { "length": 10, "entities": { "Backslash;": [8726], "CenterDot;": [183], "CircleDot;": [8857], "Congruent;": [8801], "Coproduct;": [8720], "DoubleDot;": [168], "DownArrow;": [8595], "DownBreve;": [785], "Downarrow;": [8659], "HumpEqual;": [8783], "LeftArrow;": [8592], "LeftFloor;": [8970], "Leftarrow;": [8656], "LessTilde;": [8818], "Mellintrf;": [8499], "MinusPlus;": [8723], "NotCupCap;": [8813], "NotExists;": [8708], "NotSubset;": [8834, 8402], "OverBrace;": [9182], "PlusMinus;": [177], "Therefore;": [8756], "ThinSpace;": [8201], "TripleDot;": [8411], "UnionPlus;": [8846], "backprime;": [8245], "backsimeq;": [8909], "bigotimes;": [10754], "centerdot;": [183], "checkmark;": [10003], "complexes;": [8450], "dotsquare;": [8865], "downarrow;": [8595], "gtrapprox;": [10886], "gtreqless;": [8923], "gvertneqq;": [8809, 65024], "heartsuit;": [9829], "leftarrow;": [8592], "lesseqgtr;": [8922], "lvertneqq;": [8808, 65024], "ngeqslant;": [10878, 824], "nleqslant;": [10877, 824], "nparallel;": [8742], "nshortmid;": [8740], "nsubseteq;": [8840], "nsupseteq;": [8841], "pitchfork;": [8916], "rationals;": [8474], "spadesuit;": [9824], "subseteqq;": [10949], "subsetneq;": [8842], "supseteqq;": [10950], "supsetneq;": [8843], "therefore;": [8756], "triangleq;": [8796], "varpropto;": [8733] } }, { "length": 9, "entities": { "DDotrahd;": [10513], "DotEqual;": [8784], "Integral;": [8747], "LessLess;": [10913], "NotEqual;": [8800], "NotTilde;": [8769], "PartialD;": [8706], "Precedes;": [8826], "RightTee;": [8866], "Succeeds;": [8827], "SuchThat;": [8715], "Superset;": [8835], "Uarrocir;": [10569], "UnderBar;": [95], "andslope;": [10840], "angmsdaa;": [10664], "angmsdab;": [10665], "angmsdac;": [10666], "angmsdad;": [10667], "angmsdae;": [10668], "angmsdaf;": [10669], "angmsdag;": [10670], "angmsdah;": [10671], "angrtvbd;": [10653], "approxeq;": [8778], "awconint;": [8755], "backcong;": [8780], "barwedge;": [8965], "bbrktbrk;": [9142], "bigoplus;": [10753], "bigsqcup;": [10758], "biguplus;": [10756], "bigwedge;": [8896], "boxminus;": [8863], "boxtimes;": [8864], "bsolhsub;": [10184], "capbrcup;": [10825], "circledR;": [174], "circledS;": [9416], "cirfnint;": [10768], "clubsuit;": [9827], "cupbrcap;": [10824], "curlyvee;": [8910], "cwconint;": [8754], "doteqdot;": [8785], "dotminus;": [8760], "drbkarow;": [10512], "dzigrarr;": [10239], "elinters;": [9191], "emptyset;": [8709], "eqvparsl;": [10725], "fpartint;": [10765], "geqslant;": [10878], "gesdotol;": [10884], "gnapprox;": [10890], "hksearow;": [10533], "hkswarow;": [10534], "imagline;": [8464], "imagpart;": [8465], "infintie;": [10717], "integers;": [8484], "intercal;": [8890], "intlarhk;": [10775], "laemptyv;": [10676], "ldrushar;": [10571], "leqslant;": [10877], "lesdotor;": [10883], "llcorner;": [8990], "lnapprox;": [10889], "lrcorner;": [8991], "lurdshar;": [10570], "mapstoup;": [8613], "multimap;": [8888], "naturals;": [8469], "ncongdot;": [10861, 824], "notindot;": [8949, 824], "otimesas;": [10806], "parallel;": [8741], "plusacir;": [10787], "pointint;": [10773], "precneqq;": [10933], "precnsim;": [8936], "profalar;": [9006], "profline;": [8978], "profsurf;": [8979], "raemptyv;": [10675], "realpart;": [8476], "rppolint;": [10770], "rtriltri;": [10702], "scpolint;": [10771], "setminus;": [8726], "shortmid;": [8739], "smeparsl;": [10724], "sqsubset;": [8847], "sqsupset;": [8848], "subseteq;": [8838], "succneqq;": [10934], "succnsim;": [8937], "supseteq;": [8839], "thetasym;": [977], "thicksim;": [8764], "timesbar;": [10801], "triangle;": [9653], "triminus;": [10810], "trpezium;": [9186], "ulcorner;": [8988], "urcorner;": [8989], "varkappa;": [1008], "varsigma;": [962], "vartheta;": [977] } }, { "length": 8, "entities": { "Because;": [8757], "Cayleys;": [8493], "Cconint;": [8752], "Cedilla;": [184], "Diamond;": [8900], "DownTee;": [8868], "Element;": [8712], "Epsilon;": [917], "Implies;": [8658], "LeftTee;": [8867], "NewLine;": [10], "NoBreak;": [8288], "NotLess;": [8814], "Omicron;": [927], "OverBar;": [8254], "Product;": [8719], "UpArrow;": [8593], "Uparrow;": [8657], "Upsilon;": [933], "alefsym;": [8501], "angrtvb;": [8894], "angzarr;": [9084], "asympeq;": [8781], "backsim;": [8765], "because;": [8757], "bemptyv;": [10672], "between;": [8812], "bigcirc;": [9711], "bigodot;": [10752], "bigstar;": [9733], "bnequiv;": [8801, 8421], "boxplus;": [8862], "ccupssm;": [10832], "cemptyv;": [10674], "cirscir;": [10690], "coloneq;": [8788], "congdot;": [10861], "cudarrl;": [10552], "cudarrr;": [10549], "cularrp;": [10557], "curarrm;": [10556], "dbkarow;": [10511], "ddagger;": [8225], "ddotseq;": [10871], "demptyv;": [10673], "diamond;": [8900], "digamma;": [989], "dotplus;": [8724], "dwangle;": [10662], "epsilon;": [949], "eqcolon;": [8789], "equivDD;": [10872], "gesdoto;": [10882], "gtquest;": [10876], "gtrless;": [8823], "harrcir;": [10568], "intprod;": [10812], "isindot;": [8949], "larrbfs;": [10527], "larrsim;": [10611], "lbrksld;": [10639], "lbrkslu;": [10637], "ldrdhar;": [10599], "lesdoto;": [10881], "lessdot;": [8918], "lessgtr;": [8822], "lesssim;": [8818], "lotimes;": [10804], "lozenge;": [9674], "ltquest;": [10875], "luruhar;": [10598], "maltese;": [10016], "minusdu;": [10794], "napprox;": [8777], "natural;": [9838], "nearrow;": [8599], "nexists;": [8708], "notinva;": [8713], "notinvb;": [8951], "notinvc;": [8950], "notniva;": [8716], "notnivb;": [8958], "notnivc;": [8957], "npolint;": [10772], "npreceq;": [10927, 824], "nsqsube;": [8930], "nsqsupe;": [8931], "nsubset;": [8834, 8402], "nsucceq;": [10928, 824], "nsupset;": [8835, 8402], "nvinfin;": [10718], "nvltrie;": [8884, 8402], "nvrtrie;": [8885, 8402], "nwarrow;": [8598], "olcross;": [10683], "omicron;": [959], "orderof;": [8500], "orslope;": [10839], "pertenk;": [8241], "planckh;": [8462], "pluscir;": [10786], "plussim;": [10790], "plustwo;": [10791], "precsim;": [8830], "quatint;": [10774], "questeq;": [8799], "rarrbfs;": [10528], "rarrsim;": [10612], "rbrksld;": [10638], "rbrkslu;": [10640], "rdldhar;": [10601], "realine;": [8475], "rotimes;": [10805], "ruluhar;": [10600], "searrow;": [8600], "simplus;": [10788], "simrarr;": [10610], "subedot;": [10947], "submult;": [10945], "subplus;": [10943], "subrarr;": [10617], "succsim;": [8831], "supdsub;": [10968], "supedot;": [10948], "suphsol;": [10185], "suphsub;": [10967], "suplarr;": [10619], "supmult;": [10946], "supplus;": [10944], "swarrow;": [8601], "topfork;": [10970], "triplus;": [10809], "tritime;": [10811], "uparrow;": [8593], "upsilon;": [965], "uwangle;": [10663], "vzigzag;": [10650], "zigrarr;": [8669] } }, { "length": 7, "entities": { "Aacute;": [193], "Abreve;": [258], "Agrave;": [192], "Assign;": [8788], "Atilde;": [195], "Barwed;": [8966], "Bumpeq;": [8782], "Cacute;": [262], "Ccaron;": [268], "Ccedil;": [199], "Colone;": [10868], "Conint;": [8751], "CupCap;": [8781], "Dagger;": [8225], "Dcaron;": [270], "DotDot;": [8412], "Dstrok;": [272], "Eacute;": [201], "Ecaron;": [282], "Egrave;": [200], "Exists;": [8707], "ForAll;": [8704], "Gammad;": [988], "Gbreve;": [286], "Gcedil;": [290], "HARDcy;": [1066], "Hstrok;": [294], "Iacute;": [205], "Igrave;": [204], "Itilde;": [296], "Jsercy;": [1032], "Kcedil;": [310], "Lacute;": [313], "Lambda;": [923], "Lcaron;": [317], "Lcedil;": [315], "Lmidot;": [319], "Lstrok;": [321], "Nacute;": [323], "Ncaron;": [327], "Ncedil;": [325], "Ntilde;": [209], "Oacute;": [211], "Odblac;": [336], "Ograve;": [210], "Oslash;": [216], "Otilde;": [213], "Otimes;": [10807], "Racute;": [340], "Rarrtl;": [10518], "Rcaron;": [344], "Rcedil;": [342], "SHCHcy;": [1065], "SOFTcy;": [1068], "Sacute;": [346], "Scaron;": [352], "Scedil;": [350], "Square;": [9633], "Subset;": [8912], "Supset;": [8913], "Tcaron;": [356], "Tcedil;": [354], "Tstrok;": [358], "Uacute;": [218], "Ubreve;": [364], "Udblac;": [368], "Ugrave;": [217], "Utilde;": [360], "Vdashl;": [10982], 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[95], "lparlt;": [10643], "lrhard;": [10605], "lsaquo;": [8249], "lsquor;": [8218], "lstrok;": [322], "lthree;": [8907], "ltimes;": [8905], "ltlarr;": [10614], "ltrPar;": [10646], "mapsto;": [8614], "marker;": [9646], "mcomma;": [10793], "midast;": [42], "midcir;": [10992], "middot;": [183], "minusb;": [8863], "minusd;": [8760], "mnplus;": [8723], "models;": [8871], "mstpos;": [8766], "nVDash;": [8879], "nVdash;": [8878], "nacute;": [324], "nbumpe;": [8783, 824], "ncaron;": [328], "ncedil;": [326], "nearhk;": [10532], "nequiv;": [8802], "nesear;": [10536], "nexist;": [8708], "nltrie;": [8940], "notinE;": [8953, 824], "nparsl;": [11005, 8421], "nprcue;": [8928], "nrarrc;": [10547, 824], "nrarrw;": [8605, 824], "nrtrie;": [8941], "nsccue;": [8929], "nsimeq;": [8772], "ntilde;": [241], "numero;": [8470], "nvDash;": [8877], "nvHarr;": [10500], "nvdash;": [8876], "nvlArr;": [10498], "nvrArr;": [10499], "nwarhk;": [10531], "nwnear;": [10535], "oacute;": [243], "odblac;": [337], "odsold;": 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"searhk;": [10533], "seswar;": [10537], "sfrown;": [8994], "shchcy;": [1097], "sigmaf;": [962], "sigmav;": [962], "simdot;": [10858], "smashp;": [10803], "softcy;": [1100], "solbar;": [9023], "spades;": [9824], "sqcaps;": [8851, 65024], "sqcups;": [8852, 65024], "sqsube;": [8849], "sqsupe;": [8850], "square;": [9633], "squarf;": [9642], "ssetmn;": [8726], "ssmile;": [8995], "sstarf;": [8902], "subdot;": [10941], "subset;": [8834], "subsim;": [10951], "subsub;": [10965], "subsup;": [10963], "succeq;": [10928], "supdot;": [10942], "supset;": [8835], "supsim;": [10952], "supsub;": [10964], "supsup;": [10966], "swarhk;": [10534], "swnwar;": [10538], "target;": [8982], "tcaron;": [357], "tcedil;": [355], "telrec;": [8981], "there4;": [8756], "thetav;": [977], "thinsp;": [8201], "thksim;": [8764], "timesb;": [8864], "timesd;": [10800], "topbot;": [9014], "topcir;": [10993], "tprime;": [8244], "tridot;": [9708], "tstrok;": [359], "uacute;": [250], "ubreve;": [365], "udblac;": [369], "ufisht;": [10622], "ugrave;": [249], "ulcorn;": [8988], "ulcrop;": [8975], "urcorn;": [8989], "urcrop;": [8974], "utilde;": [361], "vangrt;": [10652], "varphi;": [981], "varrho;": [1009], "veebar;": [8891], "vellip;": [8942], "verbar;": [124], "vsubnE;": [10955, 65024], "vsubne;": [8842, 65024], "vsupnE;": [10956, 65024], "vsupne;": [8843, 65024], "wedbar;": [10847], "wedgeq;": [8793], "weierp;": [8472], "wreath;": [8768], "xoplus;": [10753], "xotime;": [10754], "xsqcup;": [10758], "xuplus;": [10756], "xwedge;": [8896], "yacute;": [253], "zacute;": [378], "zcaron;": [382], "zeetrf;": [8488] } }, { "length": 6, "entities": { "AElig;": [198], "Aacute": [193], "Acirc;": [194], "Agrave": [192], "Alpha;": [913], "Amacr;": [256], "Aogon;": [260], "Aring;": [197], "Atilde": [195], "Breve;": [728], "Ccedil": [199], "Ccirc;": [264], "Colon;": [8759], "Cross;": [10799], "Dashv;": [10980], "Delta;": [916], "Eacute": [201], "Ecirc;": [202], "Egrave": [200], "Emacr;": [274], "Eogon;": [280], "Equal;": [10869], "Gamma;": [915], "Gcirc;": [284], "Hacek;": [711], "Hcirc;": [292], "IJlig;": [306], "Iacute": [205], "Icirc;": [206], "Igrave": [204], "Imacr;": [298], "Iogon;": [302], "Iukcy;": [1030], "Jcirc;": [308], "Jukcy;": [1028], "Kappa;": [922], "Ntilde": [209], "OElig;": [338], "Oacute": [211], "Ocirc;": [212], "Ograve": [210], "Omacr;": [332], "Omega;": [937], "Oslash": [216], "Otilde": [213], "Prime;": [8243], "RBarr;": [10512], "Scirc;": [348], "Sigma;": [931], "THORN;": [222], "TRADE;": [8482], "TSHcy;": [1035], "Theta;": [920], "Tilde;": [8764], "Uacute": [218], "Ubrcy;": [1038], "Ucirc;": [219], "Ugrave": [217], "Umacr;": [362], "Union;": [8899], "Uogon;": [370], "UpTee;": [8869], "Uring;": [366], "VDash;": [8875], "Vdash;": [8873], "Wcirc;": [372], "Wedge;": [8896], "Yacute": [221], "Ycirc;": [374], "aacute": [225], "acirc;": [226], "acute;": [180], "aelig;": [230], "agrave": [224], "aleph;": [8501], "alpha;": [945], "amacr;": [257], "amalg;": [10815], "angle;": [8736], "angrt;": [8735], "angst;": [197], "aogon;": [261], "aring;": [229], "asymp;": [8776], "atilde": [227], "awint;": [10769], "bcong;": [8780], "bdquo;": [8222], "bepsi;": [1014], "blank;": [9251], "blk12;": [9618], "blk14;": [9617], "blk34;": [9619], "block;": [9608], "boxDL;": [9559], "boxDR;": [9556], "boxDl;": [9558], "boxDr;": [9555], "boxHD;": [9574], "boxHU;": [9577], "boxHd;": [9572], "boxHu;": [9575], "boxUL;": [9565], "boxUR;": [9562], "boxUl;": [9564], "boxUr;": [9561], "boxVH;": [9580], "boxVL;": [9571], "boxVR;": [9568], "boxVh;": [9579], "boxVl;": [9570], "boxVr;": [9567], "boxdL;": [9557], "boxdR;": [9554], "boxdl;": [9488], "boxdr;": [9484], "boxhD;": [9573], "boxhU;": [9576], "boxhd;": [9516], "boxhu;": [9524], "boxuL;": [9563], "boxuR;": [9560], "boxul;": [9496], "boxur;": [9492], "boxvH;": [9578], "boxvL;": [9569], "boxvR;": [9566], "boxvh;": [9532], "boxvl;": [9508], "boxvr;": [9500], "breve;": [728], "brvbar": [166], "bsemi;": [8271], "bsime;": [8909], "bsolb;": [10693], "bumpE;": [10926], "bumpe;": [8783], "caret;": [8257], "caron;": [711], "ccaps;": [10829], "ccedil": [231], "ccirc;": [265], "ccups;": [10828], "cedil;": [184], "check;": [10003], "clubs;": [9827], "colon;": [58], "comma;": [44], "crarr;": [8629], "cross;": [10007], "csube;": [10961], "csupe;": [10962], "ctdot;": [8943], "cuepr;": [8926], "cuesc;": [8927], "cupor;": [10821], "curren": [164], "cuvee;": [8910], "cuwed;": [8911], "cwint;": [8753], "dashv;": [8867], "dblac;": [733], "ddarr;": [8650], "delta;": [948], "dharl;": [8643], "dharr;": [8642], "diams;": [9830], "disin;": [8946], "divide": [247], "doteq;": [8784], "dtdot;": [8945], "dtrif;": [9662], "duarr;": [8693], "duhar;": [10607], "eDDot;": [10871], "eacute": [233], "ecirc;": [234], "efDot;": [8786], "egrave": [232], "emacr;": [275], "empty;": [8709], "eogon;": [281], "eplus;": [10865], "epsiv;": [1013], "eqsim;": [8770], "equiv;": [8801], "erDot;": [8787], "erarr;": [10609], "esdot;": [8784], "exist;": 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"lbbrk;": [10098], "lbrke;": [10635], "lceil;": [8968], "ldquo;": [8220], "lescc;": [10920], "lhard;": [8637], "lharu;": [8636], "lhblk;": [9604], "llarr;": [8647], "lltri;": [9722], "lneqq;": [8808], "lnsim;": [8934], "loang;": [10220], "loarr;": [8701], "lobrk;": [10214], "lopar;": [10629], "lrarr;": [8646], "lrhar;": [8651], "lrtri;": [8895], "lsime;": [10893], "lsimg;": [10895], "lsquo;": [8216], "ltcir;": [10873], "ltdot;": [8918], "ltrie;": [8884], "ltrif;": [9666], "mDDot;": [8762], "mdash;": [8212], "micro;": [181], "middot": [183], "minus;": [8722], "mumap;": [8888], "nabla;": [8711], "napid;": [8779, 824], "napos;": [329], "natur;": [9838], "nbump;": [8782, 824], "ncong;": [8775], "ndash;": [8211], "neArr;": [8663], "nearr;": [8599], "nedot;": [8784, 824], "nesim;": [8770, 824], "ngeqq;": [8807, 824], "ngsim;": [8821], "nhArr;": [8654], "nharr;": [8622], "nhpar;": [10994], "nlArr;": [8653], "nlarr;": [8602], "nleqq;": [8806, 824], "nless;": [8814], "nlsim;": [8820], "nltri;": [8938], "notin;": [8713], "notni;": [8716], "npart;": [8706, 824], "nprec;": [8832], "nrArr;": [8655], "nrarr;": [8603], "nrtri;": [8939], "nsime;": [8772], "nsmid;": [8740], "nspar;": [8742], "nsubE;": [10949, 824], "nsube;": [8840], "nsucc;": [8833], "nsupE;": [10950, 824], "nsupe;": [8841], "ntilde": [241], "numsp;": [8199], "nvsim;": [8764, 8402], "nwArr;": [8662], "nwarr;": [8598], "oacute": [243], "ocirc;": [244], "odash;": [8861], "oelig;": [339], "ofcir;": [10687], "ograve": [242], "ohbar;": [10677], "olarr;": [8634], "olcir;": [10686], "oline;": [8254], "omacr;": [333], "omega;": [969], "operp;": [10681], "oplus;": [8853], "orarr;": [8635], "order;": [8500], "oslash": [248], "otilde": [245], "ovbar;": [9021], "parsl;": [11005], "phone;": [9742], "plusb;": [8862], "pluse;": [10866], "plusmn": [177], "pound;": [163], "prcue;": [8828], "prime;": [8242], "prnap;": [10937], "prsim;": [8830], "quest;": [63], "rAarr;": [8667], "rBarr;": [10511], "radic;": [8730], "rangd;": [10642], "range;": [10661], "raquo;": [187], "rarrb;": [8677], "rarrc;": [10547], "rarrw;": [8605], "ratio;": [8758], "rbarr;": [10509], "rbbrk;": [10099], "rbrke;": [10636], "rceil;": [8969], "rdquo;": [8221], "reals;": [8477], "rhard;": [8641], "rharu;": [8640], "rlarr;": [8644], "rlhar;": [8652], "rnmid;": [10990], "roang;": [10221], "roarr;": [8702], "robrk;": [10215], "ropar;": [10630], "rrarr;": [8649], "rsquo;": [8217], "rtrie;": [8885], "rtrif;": [9656], "sbquo;": [8218], "sccue;": [8829], "scirc;": [349], "scnap;": [10938], "scsim;": [8831], "sdotb;": [8865], "sdote;": [10854], "seArr;": [8664], "searr;": [8600], "setmn;": [8726], "sharp;": [9839], "sigma;": [963], "simeq;": [8771], "simgE;": [10912], "simlE;": [10911], "simne;": [8774], "slarr;": [8592], "smile;": [8995], "smtes;": [10924, 65024], "sqcap;": [8851], "sqcup;": [8852], "sqsub;": [8847], "sqsup;": [8848], "srarr;": [8594], "starf;": [9733], "strns;": [175], "subnE;": [10955], "subne;": [8842], "supnE;": [10956], "supne;": [8843], "swArr;": [8665], "swarr;": [8601], "szlig;": [223], "theta;": [952], "thkap;": [8776], "thorn;": [254], "tilde;": [732], "times;": [215], "trade;": [8482], "trisb;": [10701], "tshcy;": [1115], "twixt;": [8812], "uacute": [250], "ubrcy;": [1118], "ucirc;": [251], "udarr;": [8645], "udhar;": [10606], "ugrave": [249], "uharl;": [8639], "uharr;": [8638], "uhblk;": [9600], "ultri;": [9720], "umacr;": [363], "uogon;": [371], "uplus;": [8846], "upsih;": [978], "uring;": [367], "urtri;": [9721], "utdot;": [8944], "utrif;": [9652], "uuarr;": [8648], "vBarv;": [10985], "vDash;": [8872], "varpi;": [982], "vdash;": [8866], "veeeq;": [8794], "vltri;": [8882], "vnsub;": [8834, 8402], "vnsup;": [8835, 8402], "vprop;": [8733], "vrtri;": [8883], "wcirc;": [373], "wedge;": [8743], "xcirc;": [9711], "xdtri;": [9661], "xhArr;": [10234], "xharr;": [10231], "xlArr;": [10232], "xlarr;": [10229], "xodot;": [10752], "xrArr;": [10233], "xrarr;": [10230], "xutri;": [9651], "yacute": [253], "ycirc;": [375] } }, { "length": 5, "entities": { "AElig": [198], "Acirc": [194], "Aopf;": [120120], "Aring": [197], "Ascr;": [119964], "Auml;": [196], "Barv;": [10983], "Beta;": [914], "Bopf;": [120121], "Bscr;": [8492], "CHcy;": [1063], "COPY;": [169], "Cdot;": [266], "Copf;": [8450], "Cscr;": [119966], "DJcy;": [1026], "DScy;": [1029], "DZcy;": [1039], "Darr;": [8609], "Dopf;": [120123], "Dscr;": [119967], "Ecirc": [202], "Edot;": [278], "Eopf;": [120124], "Escr;": [8496], "Esim;": [10867], "Euml;": [203], "Fopf;": [120125], "Fscr;": [8497], "GJcy;": [1027], "Gdot;": [288], "Gopf;": [120126], "Gscr;": [119970], "Hopf;": [8461], "Hscr;": [8459], "IEcy;": [1045], "IOcy;": [1025], "Icirc": [206], "Idot;": [304], "Iopf;": [120128], "Iota;": [921], "Iscr;": [8464], "Iuml;": [207], "Jopf;": [120129], "Jscr;": [119973], "KHcy;": [1061], "KJcy;": [1036], "Kopf;": [120130], "Kscr;": [119974], "LJcy;": [1033], "Lang;": [10218], "Larr;": [8606], "Lopf;": [120131], "Lscr;": [8466], "Mopf;": [120132], "Mscr;": [8499], "NJcy;": [1034], "Nopf;": [8469], "Nscr;": [119977], "Ocirc": [212], "Oopf;": [120134], "Oscr;": [119978], "Ouml;": [214], "Popf;": [8473], "Pscr;": [119979], "QUOT;": [34], "Qopf;": [8474], "Qscr;": [119980], "Rang;": [10219], "Rarr;": [8608], "Ropf;": [8477], "Rscr;": [8475], "SHcy;": [1064], "Sopf;": [120138], "Sqrt;": [8730], "Sscr;": [119982], "Star;": [8902], "THORN": [222], "TScy;": [1062], "Topf;": [120139], "Tscr;": [119983], "Uarr;": [8607], "Ucirc": [219], "Uopf;": [120140], "Upsi;": [978], "Uscr;": [119984], "Uuml;": [220], "Vbar;": [10987], "Vert;": [8214], "Vopf;": [120141], "Vscr;": [119985], "Wopf;": [120142], "Wscr;": [119986], "Xopf;": [120143], "Xscr;": [119987], "YAcy;": [1071], "YIcy;": [1031], "YUcy;": [1070], "Yopf;": [120144], "Yscr;": [119988], "Yuml;": [376], "ZHcy;": [1046], "Zdot;": [379], "Zeta;": [918], "Zopf;": [8484], "Zscr;": [119989], "acirc": [226], "acute": [180], "aelig": [230], "andd;": [10844], "andv;": [10842], "ange;": [10660], "aopf;": [120146], "apid;": [8779], "apos;": [39], "aring": [229], "ascr;": [119990], "auml;": [228], "bNot;": [10989], "bbrk;": [9141], "beta;": [946], "beth;": [8502], "bnot;": [8976], "bopf;": [120147], "boxH;": [9552], "boxV;": [9553], "boxh;": [9472], "boxv;": [9474], "bscr;": [119991], "bsim;": [8765], "bsol;": [92], "bull;": [8226], "bump;": [8782], "caps;": [8745, 65024], "cdot;": [267], "cedil": [184], "cent;": [162], "chcy;": [1095], "cirE;": [10691], "circ;": [710], "cire;": [8791], "comp;": [8705], "cong;": [8773], "copf;": [120148], "copy;": [169], "cscr;": [119992], "csub;": [10959], "csup;": [10960], "cups;": [8746, 65024], "dArr;": [8659], "dHar;": [10597], "darr;": [8595], "dash;": [8208], "diam;": [8900], "djcy;": [1106], "dopf;": [120149], "dscr;": [119993], "dscy;": [1109], "dsol;": [10742], "dtri;": [9663], "dzcy;": [1119], "eDot;": [8785], "ecir;": [8790], "ecirc": [234], "edot;": [279], "emsp;": [8195], "ensp;": [8194], "eopf;": [120150], "epar;": [8917], "epsi;": [949], "escr;": [8495], "esim;": [8770], "euml;": [235], "euro;": [8364], "excl;": [33], "flat;": [9837], "fnof;": [402], "fopf;": [120151], "fork;": [8916], "fscr;": [119995], "gdot;": [289], "geqq;": [8807], "gesl;": [8923, 65024], "gjcy;": [1107], "gnap;": [10890], "gneq;": [10888], "gopf;": [120152], "gscr;": [8458], "gsim;": [8819], "gtcc;": [10919], "gvnE;": [8809, 65024], "hArr;": [8660], "half;": [189], "harr;": [8596], "hbar;": [8463], "hopf;": [120153], "hscr;": [119997], "icirc": [238], "iecy;": [1077], "iexcl": [161], "imof;": [8887], "iocy;": [1105], "iopf;": [120154], "iota;": [953], "iscr;": [119998], "isin;": [8712], "iuml;": [239], "jopf;": [120155], "jscr;": [119999], "khcy;": [1093], "kjcy;": [1116], "kopf;": [120156], "kscr;": [120000], "lArr;": [8656], "lHar;": [10594], "lang;": [10216], "laquo": [171], "larr;": [8592], "late;": [10925], "lcub;": [123], "ldca;": [10550], "ldsh;": [8626], "leqq;": [8806], "lesg;": [8922, 65024], "ljcy;": [1113], "lnap;": [10889], "lneq;": [10887], "lopf;": [120157], "lozf;": [10731], "lpar;": [40], "lscr;": [120001], "lsim;": [8818], "lsqb;": [91], "ltcc;": [10918], "ltri;": [9667], "lvnE;": [8808, 65024], "macr;": [175], "male;": [9794], "malt;": [10016], "micro": [181], "mlcp;": [10971], "mldr;": [8230], "mopf;": [120158], "mscr;": [120002], "nGtv;": [8811, 824], "nLtv;": [8810, 824], "nang;": [8736, 8402], "napE;": [10864, 824], "nbsp;": [160], "ncap;": [10819], "ncup;": [10818], "ngeq;": [8817], "nges;": [10878, 824], "ngtr;": [8815], "nisd;": [8954], "njcy;": [1114], "nldr;": [8229], "nleq;": [8816], "nles;": [10877, 824], "nmid;": [8740], "nopf;": [120159], "npar;": [8742], "npre;": [10927, 824], "nsce;": [10928, 824], "nscr;": [120003], "nsim;": [8769], "nsub;": [8836], "nsup;": [8837], "ntgl;": [8825], "ntlg;": [8824], "nvap;": [8781, 8402], "nvge;": [8805, 8402], "nvgt;": [62, 8402], "nvle;": [8804, 8402], "nvlt;": [60, 8402], "oast;": [8859], "ocir;": [8858], "ocirc": [244], "odiv;": [10808], "odot;": [8857], "ogon;": [731], "oint;": [8750], "omid;": [10678], "oopf;": [120160], "opar;": [10679], "ordf;": [170], "ordm;": [186], "oror;": [10838], "oscr;": [8500], "osol;": [8856], "ouml;": [246], "para;": [182], "part;": [8706], "perp;": [8869], "phiv;": [981], "plus;": [43], "popf;": [120161], "pound": [163], "prap;": [10935], "prec;": [8826], "prnE;": [10933], "prod;": [8719], "prop;": [8733], "pscr;": [120005], "qint;": [10764], "qopf;": [120162], "qscr;": [120006], "quot;": [34], "rArr;": [8658], "rHar;": [10596], "race;": [8765, 817], "rang;": [10217], "raquo": [187], "rarr;": [8594], "rcub;": [125], "rdca;": [10551], "rdsh;": [8627], "real;": [8476], "rect;": [9645], "rhov;": [1009], "ring;": [730], "ropf;": [120163], "rpar;": [41], "rscr;": [120007], "rsqb;": [93], "rtri;": [9657], "scap;": [10936], "scnE;": [10934], "sdot;": [8901], "sect;": [167], "semi;": [59], "sext;": [10038], "shcy;": [1096], "sime;": [8771], "simg;": [10910], "siml;": [10909], "smid;": [8739], "smte;": [10924], "solb;": [10692], "sopf;": [120164], "spar;": [8741], "squf;": [9642], "sscr;": [120008], "star;": [9734], "subE;": [10949], "sube;": [8838], "succ;": [8827], "sung;": [9834], "sup1;": [185], "sup2;": [178], "sup3;": [179], "supE;": [10950], "supe;": [8839], "szlig": [223], "tbrk;": [9140], "tdot;": [8411], "thorn": [254], "times": [215], "tint;": [8749], "toea;": [10536], "topf;": [120165], "tosa;": [10537], "trie;": [8796], "tscr;": [120009], "tscy;": [1094], "uArr;": [8657], "uHar;": [10595], "uarr;": [8593], "ucirc": [251], "uopf;": [120166], "upsi;": [965], "uscr;": [120010], "utri;": [9653], "uuml;": [252], "vArr;": [8661], "vBar;": [10984], "varr;": [8597], "vert;": [124], "vopf;": [120167], "vscr;": [120011], "wopf;": [120168], "wscr;": [120012], "xcap;": [8898], "xcup;": [8899], "xmap;": [10236], "xnis;": [8955], "xopf;": [120169], "xscr;": [120013], "xvee;": [8897], "yacy;": [1103], "yicy;": [1111], "yopf;": [120170], "yscr;": [120014], "yucy;": [1102], "yuml;": [255], "zdot;": [380], "zeta;": [950], "zhcy;": [1078], "zopf;": [120171], "zscr;": [120015], "zwnj;": [8204] } }, { "length": 4, "entities": { "AMP;": [38], "Acy;": [1040], "Afr;": [120068], "And;": [10835], "Auml": [196], "Bcy;": [1041], "Bfr;": [120069], "COPY": [169], "Cap;": [8914], "Cfr;": [8493], "Chi;": [935], "Cup;": [8915], "Dcy;": [1044], "Del;": [8711], "Dfr;": [120071], "Dot;": [168], "ENG;": [330], "ETH;": [208], "Ecy;": [1069], "Efr;": [120072], "Eta;": [919], "Euml": [203], "Fcy;": [1060], "Ffr;": [120073], "Gcy;": [1043], "Gfr;": [120074], "Hat;": [94], "Hfr;": [8460], "Icy;": [1048], "Ifr;": [8465], "Int;": [8748], "Iuml": [207], "Jcy;": [1049], "Jfr;": [120077], "Kcy;": [1050], "Kfr;": [120078], "Lcy;": [1051], "Lfr;": [120079], "Lsh;": [8624], "Map;": [10501], "Mcy;": [1052], "Mfr;": [120080], "Ncy;": [1053], "Nfr;": [120081], "Not;": [10988], "Ocy;": [1054], "Ofr;": [120082], "Ouml": [214], "Pcy;": [1055], "Pfr;": [120083], "Phi;": [934], "Psi;": [936], "QUOT": [34], "Qfr;": [120084], "REG;": [174], "Rcy;": [1056], "Rfr;": [8476], "Rho;": [929], "Rsh;": [8625], "Scy;": [1057], "Sfr;": [120086], "Sub;": [8912], "Sum;": [8721], "Sup;": [8913], "Tab;": [9], "Tau;": [932], "Tcy;": [1058], "Tfr;": [120087], "Ucy;": [1059], "Ufr;": [120088], "Uuml": [220], "Vcy;": [1042], "Vee;": [8897], "Vfr;": [120089], "Wfr;": [120090], "Xfr;": [120091], "Ycy;": [1067], "Yfr;": [120092], "Zcy;": [1047], "Zfr;": [8488], "acE;": [8766, 819], "acd;": [8767], "acy;": [1072], "afr;": [120094], "amp;": [38], "and;": [8743], "ang;": [8736], "apE;": [10864], "ape;": [8778], "ast;": [42], "auml": [228], "bcy;": [1073], "bfr;": [120095], "bne;": [61, 8421], "bot;": [8869], "cap;": [8745], "cent": [162], "cfr;": [120096], "chi;": [967], "cir;": [9675], "copy": [169], "cup;": [8746], "dcy;": [1076], "deg;": [176], "dfr;": [120097], "die;": [168], "div;": [247], "dot;": [729], "ecy;": [1101], "efr;": [120098], "egs;": [10902], "ell;": [8467], "els;": [10901], "eng;": [331], "eta;": [951], "eth;": [240], "euml": [235], "fcy;": [1092], "ffr;": [120099], "gEl;": [10892], "gap;": [10886], "gcy;": [1075], "gel;": [8923], "geq;": [8805], "ges;": [10878], "gfr;": [120100], "ggg;": [8921], "glE;": [10898], "gla;": [10917], "glj;": [10916], "gnE;": [8809], "gne;": [10888], "hfr;": [120101], "icy;": [1080], "iff;": [8660], "ifr;": [120102], "int;": [8747], "iuml": [239], "jcy;": [1081], "jfr;": [120103], "kcy;": [1082], "kfr;": [120104], "lEg;": [10891], "lap;": [10885], "lat;": [10923], "lcy;": [1083], "leg;": [8922], "leq;": [8804], "les;": [10877], "lfr;": [120105], "lgE;": [10897], "lnE;": [8808], "lne;": [10887], "loz;": [9674], "lrm;": [8206], "lsh;": [8624], "macr": [175], "map;": [8614], "mcy;": [1084], "mfr;": [120106], "mho;": [8487], "mid;": [8739], "nGg;": [8921, 824], "nGt;": [8811, 8402], "nLl;": [8920, 824], "nLt;": [8810, 8402], "nap;": [8777], "nbsp": [160], "ncy;": [1085], "nfr;": [120107], "ngE;": [8807, 824], "nge;": [8817], "ngt;": [8815], "nis;": [8956], "niv;": [8715], "nlE;": [8806, 824], "nle;": [8816], "nlt;": [8814], "not;": [172], "npr;": [8832], "nsc;": [8833], "num;": [35], "ocy;": [1086], "ofr;": [120108], "ogt;": [10689], "ohm;": [937], "olt;": [10688], "ord;": [10845], "ordf": [170], "ordm": [186], "orv;": [10843], "ouml": [246], "par;": [8741], "para": [182], "pcy;": [1087], "pfr;": [120109], "phi;": [966], "piv;": [982], "prE;": [10931], "pre;": [10927], "psi;": [968], "qfr;": [120110], "quot": [34], "rcy;": [1088], "reg;": [174], "rfr;": [120111], "rho;": [961], "rlm;": [8207], "rsh;": [8625], "scE;": [10932], "sce;": [10928], "scy;": [1089], "sect": [167], "sfr;": [120112], "shy;": [173], "sim;": [8764], "smt;": [10922], "sol;": [47], "squ;": [9633], "sub;": [8834], "sum;": [8721], "sup1": [185], "sup2": [178], "sup3": [179], "sup;": [8835], "tau;": [964], "tcy;": [1090], "tfr;": [120113], "top;": [8868], "ucy;": [1091], "ufr;": [120114], "uml;": [168], "uuml": [252], "vcy;": [1074], "vee;": [8744], "vfr;": [120115], "wfr;": [120116], "xfr;": [120117], "ycy;": [1099], "yen;": [165], "yfr;": [120118], "yuml": [255], "zcy;": [1079], "zfr;": [120119], "zwj;": [8205] } }, { "length": 3, "entities": { "AMP": [38], "DD;": [8517], "ETH": [208], "GT;": [62], "Gg;": [8921], "Gt;": [8811], "Im;": [8465], "LT;": [60], "Ll;": [8920], "Lt;": [8810], "Mu;": [924], "Nu;": [925], "Or;": [10836], "Pi;": [928], "Pr;": [10939], "REG": [174], "Re;": [8476], "Sc;": [10940], "Xi;": [926], "ac;": [8766], "af;": [8289], "amp": [38], "ap;": [8776], "dd;": [8518], "deg": [176], "ee;": [8519], "eg;": [10906], "el;": [10905], "eth": [240], "gE;": [8807], "ge;": [8805], "gg;": [8811], "gl;": [8823], "gt;": [62], "ic;": [8291], "ii;": [8520], "in;": [8712], "it;": [8290], "lE;": [8806], "le;": [8804], "lg;": [8822], "ll;": [8810], "lt;": [60], "mp;": [8723], "mu;": [956], "ne;": [8800], "ni;": [8715], "not": [172], "nu;": [957], "oS;": [9416], "or;": [8744], "pi;": [960], "pm;": [177], "pr;": [8826], "reg": [174], "rx;": [8478], "sc;": [8827], "shy": [173], "uml": [168], "wp;": [8472], "wr;": [8768], "xi;": [958], "yen": [165] } }, { "length": 2, "entities": { "GT": [62], "LT": [60], "gt": [62], "lt": [60] } }];
+
+const EOF = -1;
+const NULL = 0x00;
+const TABULATION = 0x09;
+const CARRIAGE_RETURN = 0x0D;
+const LINE_FEED = 0x0A;
+const FORM_FEED = 0x0C;
+const SPACE = 0x20;
+const EXCLAMATION_MARK = 0x21;
+const QUOTATION_MARK = 0x22;
+const NUMBER_SIGN = 0x23;
+const AMPERSAND = 0x26;
+const APOSTROPHE = 0x27;
+const HYPHEN_MINUS = 0x2D;
+const SOLIDUS = 0x2F;
+const DIGIT_0 = 0x30;
+const DIGIT_9 = 0x39;
+const SEMICOLON = 0x3B;
+const LESS_THAN_SIGN = 0x3C;
+const EQUALS_SIGN = 0x3D;
+const GREATER_THAN_SIGN = 0x3E;
+const QUESTION_MARK = 0x3F;
+const LATIN_CAPITAL_A = 0x41;
+const LATIN_CAPITAL_D = 0x44;
+const LATIN_CAPITAL_F = 0x46;
+const LATIN_CAPITAL_X = 0x58;
+const LATIN_CAPITAL_Z = 0x5A;
+const LEFT_SQUARE_BRACKET = 0x5B;
+const RIGHT_SQUARE_BRACKET = 0x5D;
+const GRAVE_ACCENT = 0x60;
+const LATIN_SMALL_A = 0x61;
+const LATIN_SMALL_F = 0x66;
+const LATIN_SMALL_X = 0x78;
+const LATIN_SMALL_Z = 0x7A;
+const LEFT_CURLY_BRACKET = 0x7B;
+const RIGHT_CURLY_BRACKET = 0x7D;
+const NULL_REPLACEMENT = 0xFFFD;
+function isWhitespace(cp) {
+ return cp === TABULATION || cp === LINE_FEED || cp === FORM_FEED || cp === CARRIAGE_RETURN || cp === SPACE;
+}
+function isUpperLetter(cp) {
+ return cp >= LATIN_CAPITAL_A && cp <= LATIN_CAPITAL_Z;
+}
+function isLowerLetter(cp) {
+ return cp >= LATIN_SMALL_A && cp <= LATIN_SMALL_Z;
+}
+function isLetter(cp) {
+ return isLowerLetter(cp) || isUpperLetter(cp);
+}
+function isDigit(cp) {
+ return cp >= DIGIT_0 && cp <= DIGIT_9;
+}
+function isUpperHexDigit(cp) {
+ return cp >= LATIN_CAPITAL_A && cp <= LATIN_CAPITAL_F;
+}
+function isLowerHexDigit(cp) {
+ return cp >= LATIN_SMALL_A && cp <= LATIN_SMALL_F;
+}
+function isHexDigit(cp) {
+ return isDigit(cp) || isUpperHexDigit(cp) || isLowerHexDigit(cp);
+}
+function isControl(cp) {
+ return (cp >= 0 && cp <= 0x1F) || (cp >= 0x7F && cp <= 0x9F);
+}
+function isSurrogate(cp) {
+ return cp >= 0xD800 && cp <= 0xDFFF;
+}
+function isSurrogatePair(cp) {
+ return cp >= 0xDC00 && cp <= 0xDFFF;
+}
+function isNonCharacter(cp) {
+ return ((cp >= 0xFDD0 && cp <= 0xFDEF) ||
+ ((cp & 0xFFFE) === 0xFFFE && cp <= 0x10FFFF));
+}
+function toLowerCodePoint(cp) {
+ return cp + 0x0020;
+}
+
+class Tokenizer {
+ constructor(text) {
+ debug("[html] the source code length: %d", text.length);
+ this.text = text;
+ this.gaps = [];
+ this.lineTerminators = [];
+ this.lastCodePoint = NULL;
+ this.offset = -1;
+ this.column = -1;
+ this.line = 1;
+ this.state = "DATA";
+ this.returnState = "DATA";
+ this.reconsuming = false;
+ this.buffer = [];
+ this.crStartOffset = -1;
+ this.crCode = 0;
+ this.errors = [];
+ this.committedToken = null;
+ this.provisionalToken = null;
+ this.currentToken = null;
+ this.lastTagOpenToken = null;
+ this.tokenStartOffset = -1;
+ this.tokenStartColumn = -1;
+ this.tokenStartLine = 1;
+ this.namespace = NS.HTML;
+ this.expressionEnabled = false;
+ }
+ nextToken() {
+ let cp = this.lastCodePoint;
+ while (this.committedToken == null &&
+ (cp !== EOF || this.reconsuming)) {
+ if (this.provisionalToken != null && !this.isProvisionalState()) {
+ this.commitProvisionalToken();
+ if (this.committedToken != null) {
+ break;
+ }
+ }
+ if (this.reconsuming) {
+ this.reconsuming = false;
+ cp = this.lastCodePoint;
+ }
+ else {
+ cp = this.consumeNextCodePoint();
+ }
+ debug("[html] parse", cp, this.state);
+ this.state = this[this.state](cp);
+ }
+ {
+ const token = this.consumeCommittedToken();
+ if (token != null) {
+ return token;
+ }
+ }
+ assert(cp === EOF);
+ if (this.currentToken != null) {
+ this.endToken();
+ const token = this.consumeCommittedToken();
+ if (token != null) {
+ return token;
+ }
+ }
+ return this.currentToken;
+ }
+ consumeCommittedToken() {
+ const token = this.committedToken;
+ this.committedToken = null;
+ return token;
+ }
+ consumeNextCodePoint() {
+ if (this.offset >= this.text.length) {
+ this.lastCodePoint = EOF;
+ return EOF;
+ }
+ this.offset += this.lastCodePoint >= 0x10000 ? 2 : 1;
+ if (this.offset >= this.text.length) {
+ this.advanceLocation();
+ this.lastCodePoint = EOF;
+ return EOF;
+ }
+ const cp = this.text.codePointAt(this.offset);
+ if (isSurrogate(this.text.charCodeAt(this.offset)) &&
+ !isSurrogatePair(this.text.charCodeAt(this.offset + 1))) {
+ this.reportParseError("surrogate-in-input-stream");
+ }
+ if (isNonCharacter(cp)) {
+ this.reportParseError("noncharacter-in-input-stream");
+ }
+ if (isControl(cp) && !isWhitespace(cp) && cp !== NULL) {
+ this.reportParseError("control-character-in-input-stream");
+ }
+ if (this.lastCodePoint === CARRIAGE_RETURN && cp === LINE_FEED) {
+ this.lastCodePoint = LINE_FEED;
+ this.gaps.push(this.offset);
+ return this.consumeNextCodePoint();
+ }
+ this.advanceLocation();
+ this.lastCodePoint = cp;
+ if (cp === CARRIAGE_RETURN) {
+ return LINE_FEED;
+ }
+ return cp;
+ }
+ advanceLocation() {
+ if (this.lastCodePoint === LINE_FEED) {
+ this.lineTerminators.push(this.offset);
+ this.line += 1;
+ this.column = 0;
+ }
+ else {
+ this.column += this.lastCodePoint >= 0x10000 ? 2 : 1;
+ }
+ }
+ reconsumeAs(state) {
+ this.reconsuming = true;
+ return state;
+ }
+ reportParseError(code) {
+ const error = ParseError.fromCode(code, this.offset, this.line, this.column);
+ this.errors.push(error);
+ debug("[html] syntax error:", error.message);
+ }
+ setStartTokenMark() {
+ this.tokenStartOffset = this.offset;
+ this.tokenStartLine = this.line;
+ this.tokenStartColumn = this.column;
+ }
+ clearStartTokenMark() {
+ this.tokenStartOffset = -1;
+ }
+ startToken(type) {
+ if (this.tokenStartOffset === -1) {
+ this.setStartTokenMark();
+ }
+ const offset = this.tokenStartOffset;
+ const line = this.tokenStartLine;
+ const column = this.tokenStartColumn;
+ if (this.currentToken != null) {
+ this.endToken();
+ }
+ this.tokenStartOffset = -1;
+ const token = (this.currentToken = {
+ type,
+ range: [offset, -1],
+ loc: {
+ start: { line, column },
+ end: { line: -1, column: -1 },
+ },
+ value: "",
+ });
+ debug("[html] start token: %d %s", offset, token.type);
+ return this.currentToken;
+ }
+ endToken() {
+ if (this.currentToken == null) {
+ throw new Error("Invalid state");
+ }
+ if (this.tokenStartOffset === -1) {
+ this.setStartTokenMark();
+ }
+ const token = this.currentToken;
+ const offset = this.tokenStartOffset;
+ const line = this.tokenStartLine;
+ const column = this.tokenStartColumn;
+ const provisional = this.isProvisionalState();
+ this.currentToken = null;
+ this.tokenStartOffset = -1;
+ token.range[1] = offset;
+ token.loc.end.line = line;
+ token.loc.end.column = column;
+ if (token.range[0] === offset && !provisional) {
+ debug("[html] abandon token: %j %s %j", token.range, token.type, token.value);
+ return null;
+ }
+ if (provisional) {
+ if (this.provisionalToken != null) {
+ this.commitProvisionalToken();
+ }
+ this.provisionalToken = token;
+ debug("[html] provisional-commit token: %j %s %j", token.range, token.type, token.value);
+ }
+ else {
+ this.commitToken(token);
+ }
+ return token;
+ }
+ commitToken(token) {
+ assert(this.committedToken == null, "Invalid state: the commited token existed already.");
+ debug("[html] commit token: %j %j %s %j", token.range, token.loc, token.type, token.value);
+ this.committedToken = token;
+ if (token.type === "HTMLTagOpen") {
+ this.lastTagOpenToken = token;
+ }
+ }
+ isProvisionalState() {
+ return (this.state.startsWith("RCDATA_") ||
+ this.state.startsWith("RAWTEXT_"));
+ }
+ commitProvisionalToken() {
+ assert(this.provisionalToken != null, "Invalid state: the provisional token was not found.");
+ const token = this.provisionalToken;
+ this.provisionalToken = null;
+ if (token.range[0] < token.range[1]) {
+ this.commitToken(token);
+ }
+ }
+ rollbackProvisionalToken() {
+ assert(this.currentToken != null);
+ assert(this.provisionalToken != null);
+ const token = this.currentToken;
+ debug("[html] rollback token: %d %s", token.range[0], token.type);
+ this.currentToken = this.provisionalToken;
+ this.provisionalToken = null;
+ }
+ appendTokenValue(cp, expected) {
+ const token = this.currentToken;
+ if (token == null || (expected != null && token.type !== expected)) {
+ const msg1 = expected ? `"${expected}" type` : "any token";
+ const msg2 = token ? `"${token.type}" type` : "no token";
+ throw new Error(`Tokenizer: Invalid state. Expected ${msg1}, but got ${msg2}.`);
+ }
+ token.value += String.fromCodePoint(cp);
+ }
+ isAppropriateEndTagOpen() {
+ return (this.currentToken != null &&
+ this.lastTagOpenToken != null &&
+ this.currentToken.type === "HTMLEndTagOpen" &&
+ this.currentToken.value === this.lastTagOpenToken.value);
+ }
+ DATA(cp) {
+ this.clearStartTokenMark();
+ while (true) {
+ const type = isWhitespace(cp) ? "HTMLWhitespace" : "HTMLText";
+ if (this.currentToken != null && this.currentToken.type !== type) {
+ this.endToken();
+ return this.reconsumeAs(this.state);
+ }
+ if (this.currentToken == null) {
+ this.startToken(type);
+ }
+ if (cp === AMPERSAND) {
+ this.returnState = "DATA";
+ return "CHARACTER_REFERENCE";
+ }
+ if (cp === LESS_THAN_SIGN) {
+ this.setStartTokenMark();
+ return "TAG_OPEN";
+ }
+ if (cp === LEFT_CURLY_BRACKET && this.expressionEnabled) {
+ this.setStartTokenMark();
+ this.returnState = "DATA";
+ return "V_EXPRESSION_START";
+ }
+ if (cp === RIGHT_CURLY_BRACKET && this.expressionEnabled) {
+ this.setStartTokenMark();
+ this.returnState = "DATA";
+ return "V_EXPRESSION_END";
+ }
+ if (cp === EOF) {
+ return "DATA";
+ }
+ if (cp === NULL) {
+ this.reportParseError("unexpected-null-character");
+ }
+ this.appendTokenValue(cp, type);
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ RCDATA(cp) {
+ this.clearStartTokenMark();
+ while (true) {
+ const type = isWhitespace(cp) ? "HTMLWhitespace" : "HTMLRCDataText";
+ if (this.currentToken != null && this.currentToken.type !== type) {
+ this.endToken();
+ return this.reconsumeAs(this.state);
+ }
+ if (this.currentToken == null) {
+ this.startToken(type);
+ }
+ if (cp === AMPERSAND) {
+ this.returnState = "RCDATA";
+ return "CHARACTER_REFERENCE";
+ }
+ if (cp === LESS_THAN_SIGN) {
+ this.setStartTokenMark();
+ return "RCDATA_LESS_THAN_SIGN";
+ }
+ if (cp === LEFT_CURLY_BRACKET && this.expressionEnabled) {
+ this.setStartTokenMark();
+ this.returnState = "RCDATA";
+ return "V_EXPRESSION_START";
+ }
+ if (cp === RIGHT_CURLY_BRACKET && this.expressionEnabled) {
+ this.setStartTokenMark();
+ this.returnState = "RCDATA";
+ return "V_EXPRESSION_END";
+ }
+ if (cp === EOF) {
+ return "DATA";
+ }
+ if (cp === NULL) {
+ this.reportParseError("unexpected-null-character");
+ cp = NULL_REPLACEMENT;
+ }
+ this.appendTokenValue(cp, type);
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ RAWTEXT(cp) {
+ this.clearStartTokenMark();
+ while (true) {
+ const type = isWhitespace(cp) ? "HTMLWhitespace" : "HTMLRawText";
+ if (this.currentToken != null && this.currentToken.type !== type) {
+ this.endToken();
+ return this.reconsumeAs(this.state);
+ }
+ if (this.currentToken == null) {
+ this.startToken(type);
+ }
+ if (cp === LESS_THAN_SIGN) {
+ this.setStartTokenMark();
+ return "RAWTEXT_LESS_THAN_SIGN";
+ }
+ if (cp === LEFT_CURLY_BRACKET && this.expressionEnabled) {
+ this.setStartTokenMark();
+ this.returnState = "RAWTEXT";
+ return "V_EXPRESSION_START";
+ }
+ if (cp === RIGHT_CURLY_BRACKET && this.expressionEnabled) {
+ this.setStartTokenMark();
+ this.returnState = "RAWTEXT";
+ return "V_EXPRESSION_END";
+ }
+ if (cp === EOF) {
+ return "DATA";
+ }
+ if (cp === NULL) {
+ this.reportParseError("unexpected-null-character");
+ cp = NULL_REPLACEMENT;
+ }
+ this.appendTokenValue(cp, type);
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ TAG_OPEN(cp) {
+ if (cp === EXCLAMATION_MARK) {
+ return "MARKUP_DECLARATION_OPEN";
+ }
+ if (cp === SOLIDUS) {
+ return "END_TAG_OPEN";
+ }
+ if (isLetter(cp)) {
+ this.startToken("HTMLTagOpen");
+ return this.reconsumeAs("TAG_NAME");
+ }
+ if (cp === QUESTION_MARK) {
+ this.reportParseError("unexpected-question-mark-instead-of-tag-name");
+ this.startToken("HTMLBogusComment");
+ return this.reconsumeAs("BOGUS_COMMENT");
+ }
+ if (cp === EOF) {
+ this.clearStartTokenMark();
+ this.reportParseError("eof-before-tag-name");
+ this.appendTokenValue(LESS_THAN_SIGN, "HTMLText");
+ return "DATA";
+ }
+ this.reportParseError("invalid-first-character-of-tag-name");
+ this.appendTokenValue(LESS_THAN_SIGN, "HTMLText");
+ return this.reconsumeAs("DATA");
+ }
+ END_TAG_OPEN(cp) {
+ if (isLetter(cp)) {
+ this.startToken("HTMLEndTagOpen");
+ return this.reconsumeAs("TAG_NAME");
+ }
+ if (cp === GREATER_THAN_SIGN) {
+ this.endToken();
+ this.reportParseError("missing-end-tag-name");
+ return "DATA";
+ }
+ if (cp === EOF) {
+ this.clearStartTokenMark();
+ this.reportParseError("eof-before-tag-name");
+ this.appendTokenValue(LESS_THAN_SIGN, "HTMLText");
+ this.appendTokenValue(SOLIDUS, "HTMLText");
+ return "DATA";
+ }
+ this.reportParseError("invalid-first-character-of-tag-name");
+ this.startToken("HTMLBogusComment");
+ return this.reconsumeAs("BOGUS_COMMENT");
+ }
+ TAG_NAME(cp) {
+ while (true) {
+ if (isWhitespace(cp)) {
+ this.endToken();
+ return "BEFORE_ATTRIBUTE_NAME";
+ }
+ if (cp === SOLIDUS) {
+ this.endToken();
+ this.setStartTokenMark();
+ return "SELF_CLOSING_START_TAG";
+ }
+ if (cp === GREATER_THAN_SIGN) {
+ this.startToken("HTMLTagClose");
+ return "DATA";
+ }
+ if (cp === EOF) {
+ this.reportParseError("eof-in-tag");
+ return "DATA";
+ }
+ if (cp === NULL) {
+ this.reportParseError("unexpected-null-character");
+ cp = NULL_REPLACEMENT;
+ }
+ this.appendTokenValue(isUpperLetter(cp) ? toLowerCodePoint(cp) : cp, null);
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ RCDATA_LESS_THAN_SIGN(cp) {
+ if (cp === SOLIDUS) {
+ this.buffer = [];
+ return "RCDATA_END_TAG_OPEN";
+ }
+ this.appendTokenValue(LESS_THAN_SIGN, "HTMLRCDataText");
+ return this.reconsumeAs("RCDATA");
+ }
+ RCDATA_END_TAG_OPEN(cp) {
+ if (isLetter(cp)) {
+ this.startToken("HTMLEndTagOpen");
+ return this.reconsumeAs("RCDATA_END_TAG_NAME");
+ }
+ this.appendTokenValue(LESS_THAN_SIGN, "HTMLRCDataText");
+ this.appendTokenValue(SOLIDUS, "HTMLRCDataText");
+ return this.reconsumeAs("RCDATA");
+ }
+ RCDATA_END_TAG_NAME(cp) {
+ while (true) {
+ if (isWhitespace(cp) && this.isAppropriateEndTagOpen()) {
+ this.endToken();
+ return "BEFORE_ATTRIBUTE_NAME";
+ }
+ if (cp === SOLIDUS && this.isAppropriateEndTagOpen()) {
+ this.endToken();
+ this.setStartTokenMark();
+ return "SELF_CLOSING_START_TAG";
+ }
+ if (cp === GREATER_THAN_SIGN && this.isAppropriateEndTagOpen()) {
+ this.startToken("HTMLTagClose");
+ return "DATA";
+ }
+ if (!isLetter(cp)) {
+ this.rollbackProvisionalToken();
+ this.appendTokenValue(LESS_THAN_SIGN, "HTMLRCDataText");
+ this.appendTokenValue(SOLIDUS, "HTMLRCDataText");
+ for (const cp1 of this.buffer) {
+ this.appendTokenValue(cp1, "HTMLRCDataText");
+ }
+ return this.reconsumeAs("RCDATA");
+ }
+ this.appendTokenValue(isUpperLetter(cp) ? toLowerCodePoint(cp) : cp, "HTMLEndTagOpen");
+ this.buffer.push(cp);
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ RAWTEXT_LESS_THAN_SIGN(cp) {
+ if (cp === SOLIDUS) {
+ this.buffer = [];
+ return "RAWTEXT_END_TAG_OPEN";
+ }
+ this.appendTokenValue(LESS_THAN_SIGN, "HTMLRawText");
+ return this.reconsumeAs("RAWTEXT");
+ }
+ RAWTEXT_END_TAG_OPEN(cp) {
+ if (isLetter(cp)) {
+ this.startToken("HTMLEndTagOpen");
+ return this.reconsumeAs("RAWTEXT_END_TAG_NAME");
+ }
+ this.appendTokenValue(LESS_THAN_SIGN, "HTMLRawText");
+ this.appendTokenValue(SOLIDUS, "HTMLRawText");
+ return this.reconsumeAs("RAWTEXT");
+ }
+ RAWTEXT_END_TAG_NAME(cp) {
+ while (true) {
+ if (cp === SOLIDUS && this.isAppropriateEndTagOpen()) {
+ this.endToken();
+ this.setStartTokenMark();
+ return "SELF_CLOSING_START_TAG";
+ }
+ if (cp === GREATER_THAN_SIGN && this.isAppropriateEndTagOpen()) {
+ this.startToken("HTMLTagClose");
+ return "DATA";
+ }
+ if (isWhitespace(cp) && this.isAppropriateEndTagOpen()) {
+ this.endToken();
+ return "BEFORE_ATTRIBUTE_NAME";
+ }
+ if (!isLetter(cp)) {
+ this.rollbackProvisionalToken();
+ this.appendTokenValue(LESS_THAN_SIGN, "HTMLRawText");
+ this.appendTokenValue(SOLIDUS, "HTMLRawText");
+ for (const cp1 of this.buffer) {
+ this.appendTokenValue(cp1, "HTMLRawText");
+ }
+ return this.reconsumeAs("RAWTEXT");
+ }
+ this.appendTokenValue(isUpperLetter(cp) ? toLowerCodePoint(cp) : cp, "HTMLEndTagOpen");
+ this.buffer.push(cp);
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ BEFORE_ATTRIBUTE_NAME(cp) {
+ while (isWhitespace(cp)) {
+ cp = this.consumeNextCodePoint();
+ }
+ if (cp === SOLIDUS || cp === GREATER_THAN_SIGN || cp === EOF) {
+ return this.reconsumeAs("AFTER_ATTRIBUTE_NAME");
+ }
+ if (cp === EQUALS_SIGN) {
+ this.reportParseError("unexpected-equals-sign-before-attribute-name");
+ this.startToken("HTMLIdentifier");
+ this.appendTokenValue(cp, "HTMLIdentifier");
+ return "ATTRIBUTE_NAME";
+ }
+ this.startToken("HTMLIdentifier");
+ return this.reconsumeAs("ATTRIBUTE_NAME");
+ }
+ ATTRIBUTE_NAME(cp) {
+ while (true) {
+ if (isWhitespace(cp) ||
+ cp === SOLIDUS ||
+ cp === GREATER_THAN_SIGN ||
+ cp === EOF) {
+ this.endToken();
+ return this.reconsumeAs("AFTER_ATTRIBUTE_NAME");
+ }
+ if (cp === EQUALS_SIGN) {
+ this.startToken("HTMLAssociation");
+ return "BEFORE_ATTRIBUTE_VALUE";
+ }
+ if (cp === NULL) {
+ this.reportParseError("unexpected-null-character");
+ cp = NULL_REPLACEMENT;
+ }
+ if (cp === QUOTATION_MARK ||
+ cp === APOSTROPHE ||
+ cp === LESS_THAN_SIGN) {
+ this.reportParseError("unexpected-character-in-attribute-name");
+ }
+ this.appendTokenValue(isUpperLetter(cp) ? toLowerCodePoint(cp) : cp, "HTMLIdentifier");
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ AFTER_ATTRIBUTE_NAME(cp) {
+ while (isWhitespace(cp)) {
+ cp = this.consumeNextCodePoint();
+ }
+ if (cp === SOLIDUS) {
+ this.setStartTokenMark();
+ return "SELF_CLOSING_START_TAG";
+ }
+ if (cp === EQUALS_SIGN) {
+ this.startToken("HTMLAssociation");
+ return "BEFORE_ATTRIBUTE_VALUE";
+ }
+ if (cp === GREATER_THAN_SIGN) {
+ this.startToken("HTMLTagClose");
+ return "DATA";
+ }
+ if (cp === EOF) {
+ this.reportParseError("eof-in-tag");
+ return "DATA";
+ }
+ this.startToken("HTMLIdentifier");
+ return this.reconsumeAs("ATTRIBUTE_NAME");
+ }
+ BEFORE_ATTRIBUTE_VALUE(cp) {
+ this.endToken();
+ while (isWhitespace(cp)) {
+ cp = this.consumeNextCodePoint();
+ }
+ if (cp === GREATER_THAN_SIGN) {
+ this.reportParseError("missing-attribute-value");
+ this.startToken("HTMLTagClose");
+ return "DATA";
+ }
+ this.startToken("HTMLLiteral");
+ if (cp === QUOTATION_MARK) {
+ return "ATTRIBUTE_VALUE_DOUBLE_QUOTED";
+ }
+ if (cp === APOSTROPHE) {
+ return "ATTRIBUTE_VALUE_SINGLE_QUOTED";
+ }
+ return this.reconsumeAs("ATTRIBUTE_VALUE_UNQUOTED");
+ }
+ ATTRIBUTE_VALUE_DOUBLE_QUOTED(cp) {
+ while (true) {
+ if (cp === QUOTATION_MARK) {
+ return "AFTER_ATTRIBUTE_VALUE_QUOTED";
+ }
+ if (cp === AMPERSAND) {
+ this.returnState = "ATTRIBUTE_VALUE_DOUBLE_QUOTED";
+ return "CHARACTER_REFERENCE";
+ }
+ if (cp === NULL) {
+ this.reportParseError("unexpected-null-character");
+ cp = NULL_REPLACEMENT;
+ }
+ if (cp === EOF) {
+ this.reportParseError("eof-in-tag");
+ return "DATA";
+ }
+ this.appendTokenValue(cp, "HTMLLiteral");
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ ATTRIBUTE_VALUE_SINGLE_QUOTED(cp) {
+ while (true) {
+ if (cp === APOSTROPHE) {
+ return "AFTER_ATTRIBUTE_VALUE_QUOTED";
+ }
+ if (cp === AMPERSAND) {
+ this.returnState = "ATTRIBUTE_VALUE_SINGLE_QUOTED";
+ return "CHARACTER_REFERENCE";
+ }
+ if (cp === NULL) {
+ this.reportParseError("unexpected-null-character");
+ cp = NULL_REPLACEMENT;
+ }
+ if (cp === EOF) {
+ this.reportParseError("eof-in-tag");
+ return "DATA";
+ }
+ this.appendTokenValue(cp, "HTMLLiteral");
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ ATTRIBUTE_VALUE_UNQUOTED(cp) {
+ while (true) {
+ if (isWhitespace(cp)) {
+ this.endToken();
+ return "BEFORE_ATTRIBUTE_NAME";
+ }
+ if (cp === AMPERSAND) {
+ this.returnState = "ATTRIBUTE_VALUE_UNQUOTED";
+ return "CHARACTER_REFERENCE";
+ }
+ if (cp === GREATER_THAN_SIGN) {
+ this.startToken("HTMLTagClose");
+ return "DATA";
+ }
+ if (cp === NULL) {
+ this.reportParseError("unexpected-null-character");
+ cp = NULL_REPLACEMENT;
+ }
+ if (cp === QUOTATION_MARK ||
+ cp === APOSTROPHE ||
+ cp === LESS_THAN_SIGN ||
+ cp === EQUALS_SIGN ||
+ cp === GRAVE_ACCENT) {
+ this.reportParseError("unexpected-character-in-unquoted-attribute-value");
+ }
+ if (cp === EOF) {
+ this.reportParseError("eof-in-tag");
+ return "DATA";
+ }
+ this.appendTokenValue(cp, "HTMLLiteral");
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ AFTER_ATTRIBUTE_VALUE_QUOTED(cp) {
+ this.endToken();
+ if (isWhitespace(cp)) {
+ return "BEFORE_ATTRIBUTE_NAME";
+ }
+ if (cp === SOLIDUS) {
+ this.setStartTokenMark();
+ return "SELF_CLOSING_START_TAG";
+ }
+ if (cp === GREATER_THAN_SIGN) {
+ this.startToken("HTMLTagClose");
+ return "DATA";
+ }
+ if (cp === EOF) {
+ this.reportParseError("eof-in-tag");
+ return "DATA";
+ }
+ this.reportParseError("missing-whitespace-between-attributes");
+ return this.reconsumeAs("BEFORE_ATTRIBUTE_NAME");
+ }
+ SELF_CLOSING_START_TAG(cp) {
+ if (cp === GREATER_THAN_SIGN) {
+ this.startToken("HTMLSelfClosingTagClose");
+ return "DATA";
+ }
+ if (cp === EOF) {
+ this.reportParseError("eof-in-tag");
+ return "DATA";
+ }
+ this.reportParseError("unexpected-solidus-in-tag");
+ this.clearStartTokenMark();
+ return this.reconsumeAs("BEFORE_ATTRIBUTE_NAME");
+ }
+ BOGUS_COMMENT(cp) {
+ while (true) {
+ if (cp === GREATER_THAN_SIGN) {
+ return "DATA";
+ }
+ if (cp === EOF) {
+ return "DATA";
+ }
+ if (cp === NULL) {
+ cp = NULL_REPLACEMENT;
+ }
+ this.appendTokenValue(cp, null);
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ MARKUP_DECLARATION_OPEN(cp) {
+ if (cp === HYPHEN_MINUS && this.text[this.offset + 1] === "-") {
+ this.offset += 1;
+ this.column += 1;
+ this.startToken("HTMLComment");
+ return "COMMENT_START";
+ }
+ if (cp === LATIN_CAPITAL_D &&
+ this.text.slice(this.offset + 1, this.offset + 7) === "OCTYPE") {
+ this.startToken("HTMLBogusComment");
+ this.appendTokenValue(cp, "HTMLBogusComment");
+ return "BOGUS_COMMENT";
+ }
+ if (cp === LEFT_SQUARE_BRACKET &&
+ this.text.slice(this.offset + 1, this.offset + 7) === "CDATA[") {
+ this.offset += 6;
+ this.column += 6;
+ if (this.namespace === NS.HTML) {
+ this.reportParseError("cdata-in-html-content");
+ this.startToken("HTMLBogusComment").value = "[CDATA[";
+ return "BOGUS_COMMENT";
+ }
+ this.startToken("HTMLCDataText");
+ return "CDATA_SECTION";
+ }
+ this.reportParseError("incorrectly-opened-comment");
+ this.startToken("HTMLBogusComment");
+ return this.reconsumeAs("BOGUS_COMMENT");
+ }
+ COMMENT_START(cp) {
+ if (cp === HYPHEN_MINUS) {
+ return "COMMENT_START_DASH";
+ }
+ if (cp === GREATER_THAN_SIGN) {
+ this.reportParseError("abrupt-closing-of-empty-comment");
+ return "DATA";
+ }
+ return this.reconsumeAs("COMMENT");
+ }
+ COMMENT_START_DASH(cp) {
+ if (cp === HYPHEN_MINUS) {
+ return "COMMENT_END";
+ }
+ if (cp === GREATER_THAN_SIGN) {
+ this.reportParseError("abrupt-closing-of-empty-comment");
+ return "DATA";
+ }
+ if (cp === EOF) {
+ this.reportParseError("eof-in-comment");
+ return "DATA";
+ }
+ this.appendTokenValue(HYPHEN_MINUS, "HTMLComment");
+ return this.reconsumeAs("COMMENT");
+ }
+ COMMENT(cp) {
+ while (true) {
+ if (cp === LESS_THAN_SIGN) {
+ this.appendTokenValue(LESS_THAN_SIGN, "HTMLComment");
+ return "COMMENT_LESS_THAN_SIGN";
+ }
+ if (cp === HYPHEN_MINUS) {
+ return "COMMENT_END_DASH";
+ }
+ if (cp === NULL) {
+ this.reportParseError("unexpected-null-character");
+ cp = NULL_REPLACEMENT;
+ }
+ if (cp === EOF) {
+ this.reportParseError("eof-in-comment");
+ return "DATA";
+ }
+ this.appendTokenValue(cp, "HTMLComment");
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ COMMENT_LESS_THAN_SIGN(cp) {
+ while (true) {
+ if (cp === EXCLAMATION_MARK) {
+ this.appendTokenValue(cp, "HTMLComment");
+ return "COMMENT_LESS_THAN_SIGN_BANG";
+ }
+ if (cp !== LESS_THAN_SIGN) {
+ return this.reconsumeAs("COMMENT");
+ }
+ this.appendTokenValue(cp, "HTMLComment");
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ COMMENT_LESS_THAN_SIGN_BANG(cp) {
+ if (cp === HYPHEN_MINUS) {
+ return "COMMENT_LESS_THAN_SIGN_BANG_DASH";
+ }
+ return this.reconsumeAs("COMMENT");
+ }
+ COMMENT_LESS_THAN_SIGN_BANG_DASH(cp) {
+ if (cp === HYPHEN_MINUS) {
+ return "COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH";
+ }
+ return this.reconsumeAs("COMMENT_END_DASH");
+ }
+ COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH(cp) {
+ if (cp !== GREATER_THAN_SIGN && cp !== EOF) {
+ this.reportParseError("nested-comment");
+ }
+ return this.reconsumeAs("COMMENT_END");
+ }
+ COMMENT_END_DASH(cp) {
+ if (cp === HYPHEN_MINUS) {
+ return "COMMENT_END";
+ }
+ if (cp === EOF) {
+ this.reportParseError("eof-in-comment");
+ return "DATA";
+ }
+ this.appendTokenValue(HYPHEN_MINUS, "HTMLComment");
+ return this.reconsumeAs("COMMENT");
+ }
+ COMMENT_END(cp) {
+ while (true) {
+ if (cp === GREATER_THAN_SIGN) {
+ return "DATA";
+ }
+ if (cp === EXCLAMATION_MARK) {
+ return "COMMENT_END_BANG";
+ }
+ if (cp === EOF) {
+ this.reportParseError("eof-in-comment");
+ return "DATA";
+ }
+ this.appendTokenValue(HYPHEN_MINUS, "HTMLComment");
+ if (cp !== HYPHEN_MINUS) {
+ this.appendTokenValue(HYPHEN_MINUS, "HTMLComment");
+ return this.reconsumeAs("COMMENT");
+ }
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ COMMENT_END_BANG(cp) {
+ if (cp === HYPHEN_MINUS) {
+ this.appendTokenValue(HYPHEN_MINUS, "HTMLComment");
+ this.appendTokenValue(EXCLAMATION_MARK, "HTMLComment");
+ return "COMMENT_END_DASH";
+ }
+ if (cp === GREATER_THAN_SIGN) {
+ this.reportParseError("incorrectly-closed-comment");
+ return "DATA";
+ }
+ if (cp === EOF) {
+ this.reportParseError("eof-in-comment");
+ return "DATA";
+ }
+ this.appendTokenValue(HYPHEN_MINUS, "HTMLComment");
+ this.appendTokenValue(EXCLAMATION_MARK, "HTMLComment");
+ return this.reconsumeAs("COMMENT");
+ }
+ CDATA_SECTION(cp) {
+ while (true) {
+ if (cp === RIGHT_SQUARE_BRACKET) {
+ return "CDATA_SECTION_BRACKET";
+ }
+ if (cp === EOF) {
+ this.reportParseError("eof-in-cdata");
+ return "DATA";
+ }
+ this.appendTokenValue(cp, "HTMLCDataText");
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ CDATA_SECTION_BRACKET(cp) {
+ if (cp === RIGHT_SQUARE_BRACKET) {
+ return "CDATA_SECTION_END";
+ }
+ this.appendTokenValue(RIGHT_SQUARE_BRACKET, "HTMLCDataText");
+ return this.reconsumeAs("CDATA_SECTION");
+ }
+ CDATA_SECTION_END(cp) {
+ while (true) {
+ if (cp === GREATER_THAN_SIGN) {
+ return "DATA";
+ }
+ if (cp !== RIGHT_SQUARE_BRACKET) {
+ this.appendTokenValue(RIGHT_SQUARE_BRACKET, "HTMLCDataText");
+ this.appendTokenValue(RIGHT_SQUARE_BRACKET, "HTMLCDataText");
+ return this.reconsumeAs("CDATA_SECTION");
+ }
+ this.appendTokenValue(RIGHT_SQUARE_BRACKET, "HTMLCDataText");
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ CHARACTER_REFERENCE(cp) {
+ this.crStartOffset = this.offset - 1;
+ this.buffer = [AMPERSAND];
+ if (isWhitespace(cp) || cp === LESS_THAN_SIGN || cp === EOF) {
+ return this.reconsumeAs("CHARACTER_REFERENCE_END");
+ }
+ if (cp === NUMBER_SIGN) {
+ this.buffer.push(cp);
+ return "NUMERIC_CHARACTER_REFERENCE";
+ }
+ return this.reconsumeAs("NAMED_CHARACTER_REFERENCE");
+ }
+ NAMED_CHARACTER_REFERENCE(cp) {
+ for (const entitySet of entitySets) {
+ const length = entitySet.length;
+ const entities = entitySet.entities;
+ const text = this.text.slice(this.offset, this.offset + length);
+ const codepoints = entities[text];
+ if (codepoints == null) {
+ continue;
+ }
+ const semi = text.endsWith(";");
+ const next = this.text.codePointAt(this.offset + 1);
+ this.offset += length - 1;
+ this.column += length - 1;
+ if (this.returnState.startsWith("ATTR") &&
+ !semi &&
+ next != null &&
+ (next === EQUALS_SIGN || isLetter(next) || isDigit(next))) {
+ for (const cp1 of text) {
+ this.buffer.push(cp1.codePointAt(0));
+ }
+ }
+ else {
+ if (!semi) {
+ this.reportParseError("missing-semicolon-after-character-reference");
+ }
+ this.buffer = codepoints;
+ }
+ return "CHARACTER_REFERENCE_END";
+ }
+ for (const cp0 of this.buffer) {
+ this.appendTokenValue(cp0, null);
+ }
+ this.appendTokenValue(cp, null);
+ return "AMBIGUOUS_AMPERSAND";
+ }
+ AMBIGUOUS_AMPERSAND(cp) {
+ while (isDigit(cp) || isLetter(cp)) {
+ this.appendTokenValue(cp, null);
+ cp = this.consumeNextCodePoint();
+ }
+ if (cp === SEMICOLON) {
+ this.reportParseError("unknown-named-character-reference");
+ }
+ return this.reconsumeAs(this.returnState);
+ }
+ NUMERIC_CHARACTER_REFERENCE(cp) {
+ this.crCode = 0;
+ if (cp === LATIN_SMALL_X || cp === LATIN_CAPITAL_X) {
+ this.buffer.push(cp);
+ return "HEXADEMICAL_CHARACTER_REFERENCE_START";
+ }
+ return this.reconsumeAs("DECIMAL_CHARACTER_REFERENCE_START");
+ }
+ HEXADEMICAL_CHARACTER_REFERENCE_START(cp) {
+ if (isHexDigit(cp)) {
+ return this.reconsumeAs("HEXADEMICAL_CHARACTER_REFERENCE");
+ }
+ this.reportParseError("absence-of-digits-in-numeric-character-reference");
+ return this.reconsumeAs("CHARACTER_REFERENCE_END");
+ }
+ DECIMAL_CHARACTER_REFERENCE_START(cp) {
+ if (isDigit(cp)) {
+ return this.reconsumeAs("DECIMAL_CHARACTER_REFERENCE");
+ }
+ this.reportParseError("absence-of-digits-in-numeric-character-reference");
+ return this.reconsumeAs("CHARACTER_REFERENCE_END");
+ }
+ HEXADEMICAL_CHARACTER_REFERENCE(cp) {
+ while (true) {
+ if (isDigit(cp)) {
+ this.crCode = 16 * this.crCode + (cp - 0x30);
+ }
+ else if (isUpperHexDigit(cp)) {
+ this.crCode = 16 * this.crCode + (cp - 0x37);
+ }
+ else if (isLowerHexDigit(cp)) {
+ this.crCode = 16 * this.crCode + (cp - 0x57);
+ }
+ else {
+ if (cp === SEMICOLON) {
+ return "NUMERIC_CHARACTER_REFERENCE_END";
+ }
+ this.reportParseError("missing-semicolon-after-character-reference");
+ return this.reconsumeAs("NUMERIC_CHARACTER_REFERENCE_END");
+ }
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ DECIMAL_CHARACTER_REFERENCE(cp) {
+ while (true) {
+ if (isDigit(cp)) {
+ this.crCode = 10 * this.crCode + (cp - 0x30);
+ }
+ else {
+ if (cp === SEMICOLON) {
+ return "NUMERIC_CHARACTER_REFERENCE_END";
+ }
+ this.reportParseError("missing-semicolon-after-character-reference");
+ return this.reconsumeAs("NUMERIC_CHARACTER_REFERENCE_END");
+ }
+ cp = this.consumeNextCodePoint();
+ }
+ }
+ NUMERIC_CHARACTER_REFERENCE_END(_cp) {
+ let code = this.crCode;
+ if (code === 0) {
+ this.reportParseError("null-character-reference");
+ code = NULL_REPLACEMENT;
+ }
+ else if (code > 0x10ffff) {
+ this.reportParseError("character-reference-outside-unicode-range");
+ code = NULL_REPLACEMENT;
+ }
+ else if (isSurrogate(code)) {
+ this.reportParseError("surrogate-character-reference");
+ code = NULL_REPLACEMENT;
+ }
+ else if (isNonCharacter(code)) {
+ this.reportParseError("noncharacter-character-reference");
+ }
+ else if (code === 0x0d || (isControl(code) && !isWhitespace(code))) {
+ this.reportParseError("control-character-reference");
+ code = alternativeCR.get(code) || code;
+ }
+ this.buffer = [code];
+ return this.reconsumeAs("CHARACTER_REFERENCE_END");
+ }
+ CHARACTER_REFERENCE_END(_cp) {
+ assert(this.currentToken != null);
+ const token = this.currentToken;
+ const len0 = token.value.length;
+ for (const cp1 of this.buffer) {
+ this.appendTokenValue(cp1, null);
+ }
+ const newLength = token.value.length - len0;
+ for (let i = this.crStartOffset + newLength; i < this.offset; ++i) {
+ this.gaps.push(i);
+ }
+ return this.reconsumeAs(this.returnState);
+ }
+ V_EXPRESSION_START(cp) {
+ if (cp === LEFT_CURLY_BRACKET) {
+ this.startToken("VExpressionStart");
+ this.appendTokenValue(LEFT_CURLY_BRACKET, null);
+ this.appendTokenValue(LEFT_CURLY_BRACKET, null);
+ return this.returnState;
+ }
+ this.appendTokenValue(LEFT_CURLY_BRACKET, null);
+ return this.reconsumeAs(this.returnState);
+ }
+ V_EXPRESSION_END(cp) {
+ if (cp === RIGHT_CURLY_BRACKET) {
+ this.startToken("VExpressionEnd");
+ this.appendTokenValue(RIGHT_CURLY_BRACKET, null);
+ this.appendTokenValue(RIGHT_CURLY_BRACKET, null);
+ return this.returnState;
+ }
+ this.appendTokenValue(RIGHT_CURLY_BRACKET, null);
+ return this.reconsumeAs(this.returnState);
+ }
+}
+
+function getPossibleTypes(parsedSelector) {
+ switch (parsedSelector.type) {
+ case "identifier":
+ return [parsedSelector.value];
+ case "matches": {
+ const typesForComponents = parsedSelector.selectors.map(getPossibleTypes);
+ if (typesForComponents.every(Boolean)) {
+ return union(...typesForComponents);
+ }
+ return null;
+ }
+ case "compound": {
+ const typesForComponents = parsedSelector.selectors.map(getPossibleTypes).filter(Boolean);
+ if (!typesForComponents.length) {
+ return null;
+ }
+ return intersection(...typesForComponents);
+ }
+ case "child":
+ case "descendant":
+ case "sibling":
+ case "adjacent":
+ return getPossibleTypes(parsedSelector.right);
+ default:
+ return null;
+ }
+}
+function countClassAttributes(parsedSelector) {
+ switch (parsedSelector.type) {
+ case "child":
+ case "descendant":
+ case "sibling":
+ case "adjacent":
+ return countClassAttributes(parsedSelector.left) + countClassAttributes(parsedSelector.right);
+ case "compound":
+ case "not":
+ case "matches":
+ return parsedSelector.selectors.reduce((sum, childSelector) => sum + countClassAttributes(childSelector), 0);
+ case "attribute":
+ case "field":
+ case "nth-child":
+ case "nth-last-child":
+ return 1;
+ default:
+ return 0;
+ }
+}
+function countIdentifiers(parsedSelector) {
+ switch (parsedSelector.type) {
+ case "child":
+ case "descendant":
+ case "sibling":
+ case "adjacent":
+ return countIdentifiers(parsedSelector.left) + countIdentifiers(parsedSelector.right);
+ case "compound":
+ case "not":
+ case "matches":
+ return parsedSelector.selectors.reduce((sum, childSelector) => sum + countIdentifiers(childSelector), 0);
+ case "identifier":
+ return 1;
+ default:
+ return 0;
+ }
+}
+function compareSpecificity(selectorA, selectorB) {
+ return selectorA.attributeCount - selectorB.attributeCount ||
+ selectorA.identifierCount - selectorB.identifierCount ||
+ (selectorA.rawSelector <= selectorB.rawSelector ? -1 : 1);
+}
+function tryParseSelector(rawSelector) {
+ try {
+ return esquery.parse(rawSelector.replace(/:exit$/, ""));
+ }
+ catch (err) {
+ if (typeof err.offset === "number") {
+ throw new Error(`Syntax error in selector "${rawSelector}" at position ${err.offset}: ${err.message}`);
+ }
+ throw err;
+ }
+}
+const parseSelector = memoize(rawSelector => {
+ const parsedSelector = tryParseSelector(rawSelector);
+ return {
+ rawSelector,
+ isExit: rawSelector.endsWith(":exit"),
+ parsedSelector,
+ listenerTypes: getPossibleTypes(parsedSelector),
+ attributeCount: countClassAttributes(parsedSelector),
+ identifierCount: countIdentifiers(parsedSelector),
+ };
+});
+class NodeEventGenerator {
+ constructor(emitter) {
+ this.emitter = emitter;
+ this.currentAncestry = [];
+ this.enterSelectorsByNodeType = new Map();
+ this.exitSelectorsByNodeType = new Map();
+ this.anyTypeEnterSelectors = [];
+ this.anyTypeExitSelectors = [];
+ const eventNames = typeof emitter.eventNames === "function"
+ ? emitter.eventNames()
+ : Object.keys(emitter._events);
+ for (const rawSelector of eventNames) {
+ if (typeof rawSelector === "symbol") {
+ continue;
+ }
+ const selector = parseSelector(rawSelector);
+ if (selector.listenerTypes) {
+ for (const nodeType of selector.listenerTypes) {
+ const typeMap = selector.isExit ? this.exitSelectorsByNodeType : this.enterSelectorsByNodeType;
+ let selectors = typeMap.get(nodeType);
+ if (selectors == null) {
+ typeMap.set(nodeType, (selectors = []));
+ }
+ selectors.push(selector);
+ }
+ }
+ else {
+ (selector.isExit ? this.anyTypeExitSelectors : this.anyTypeEnterSelectors).push(selector);
+ }
+ }
+ this.anyTypeEnterSelectors.sort(compareSpecificity);
+ this.anyTypeExitSelectors.sort(compareSpecificity);
+ for (const selectorList of this.enterSelectorsByNodeType.values()) {
+ selectorList.sort(compareSpecificity);
+ }
+ for (const selectorList of this.exitSelectorsByNodeType.values()) {
+ selectorList.sort(compareSpecificity);
+ }
+ }
+ applySelector(node, selector) {
+ if (esquery.matches(node, selector.parsedSelector, this.currentAncestry)) {
+ this.emitter.emit(selector.rawSelector, node);
+ }
+ }
+ applySelectors(node, isExit) {
+ const selectorsByNodeType = (isExit ? this.exitSelectorsByNodeType : this.enterSelectorsByNodeType).get(node.type) || [];
+ const anyTypeSelectors = isExit ? this.anyTypeExitSelectors : this.anyTypeEnterSelectors;
+ let selectorsByTypeIndex = 0;
+ let anyTypeSelectorsIndex = 0;
+ while (selectorsByTypeIndex < selectorsByNodeType.length || anyTypeSelectorsIndex < anyTypeSelectors.length) {
+ if (selectorsByTypeIndex >= selectorsByNodeType.length ||
+ (anyTypeSelectorsIndex < anyTypeSelectors.length && compareSpecificity(anyTypeSelectors[anyTypeSelectorsIndex], selectorsByNodeType[selectorsByTypeIndex]) < 0)) {
+ this.applySelector(node, anyTypeSelectors[anyTypeSelectorsIndex++]);
+ }
+ else {
+ this.applySelector(node, selectorsByNodeType[selectorsByTypeIndex++]);
+ }
+ }
+ }
+ enterNode(node) {
+ if (node.parent) {
+ this.currentAncestry.unshift(node.parent);
+ }
+ this.applySelectors(node, false);
+ }
+ leaveNode(node) {
+ this.applySelectors(node, true);
+ this.currentAncestry.shift();
+ }
+}
+
+function getStartLocation(token) {
+ return token.range[0];
+}
+function search(tokens, location) {
+ return sortedIndexBy(tokens, { range: [location] }, getStartLocation);
+}
+function getFirstIndex(tokens, indexMap, startLoc) {
+ if (startLoc in indexMap) {
+ return indexMap[startLoc];
+ }
+ if ((startLoc - 1) in indexMap) {
+ const index = indexMap[startLoc - 1];
+ const token = (index >= 0 && index < tokens.length) ? tokens[index] : null;
+ if (token && token.range[0] >= startLoc) {
+ return index;
+ }
+ return index + 1;
+ }
+ return 0;
+}
+function getLastIndex(tokens, indexMap, endLoc) {
+ if (endLoc in indexMap) {
+ return indexMap[endLoc] - 1;
+ }
+ if ((endLoc - 1) in indexMap) {
+ const index = indexMap[endLoc - 1];
+ const token = (index >= 0 && index < tokens.length) ? tokens[index] : null;
+ if (token && token.range[1] > endLoc) {
+ return index - 1;
+ }
+ return index;
+ }
+ return tokens.length - 1;
+}
+
+class Cursor {
+ constructor() {
+ this.current = null;
+ }
+ getOneToken() {
+ return this.moveNext() ? this.current : null;
+ }
+ getAllTokens() {
+ const tokens = [];
+ while (this.moveNext()) {
+ tokens.push(this.current);
+ }
+ return tokens;
+ }
+}
+
+class BackwardTokenCommentCursor extends Cursor {
+ constructor(tokens, comments, indexMap, startLoc, endLoc) {
+ super();
+ this.tokens = tokens;
+ this.comments = comments;
+ this.tokenIndex = getLastIndex(tokens, indexMap, endLoc);
+ this.commentIndex = search(comments, endLoc) - 1;
+ this.border = startLoc;
+ }
+ moveNext() {
+ const token = (this.tokenIndex >= 0) ? this.tokens[this.tokenIndex] : null;
+ const comment = (this.commentIndex >= 0) ? this.comments[this.commentIndex] : null;
+ if (token && (!comment || token.range[1] > comment.range[1])) {
+ this.current = token;
+ this.tokenIndex -= 1;
+ }
+ else if (comment) {
+ this.current = comment;
+ this.commentIndex -= 1;
+ }
+ else {
+ this.current = null;
+ }
+ return this.current != null && (this.border === -1 || this.current.range[0] >= this.border);
+ }
+}
+
+class BackwardTokenCursor extends Cursor {
+ constructor(tokens, _comments, indexMap, startLoc, endLoc) {
+ super();
+ this.tokens = tokens;
+ this.index = getLastIndex(tokens, indexMap, endLoc);
+ this.indexEnd = getFirstIndex(tokens, indexMap, startLoc);
+ }
+ moveNext() {
+ if (this.index >= this.indexEnd) {
+ this.current = this.tokens[this.index];
+ this.index -= 1;
+ return true;
+ }
+ return false;
+ }
+ getOneToken() {
+ return (this.index >= this.indexEnd) ? this.tokens[this.index] : null;
+ }
+}
+
+class DecorativeCursor extends Cursor {
+ constructor(cursor) {
+ super();
+ this.cursor = cursor;
+ }
+ moveNext() {
+ const retv = this.cursor.moveNext();
+ this.current = this.cursor.current;
+ return retv;
+ }
+}
+
+class FilterCursor extends DecorativeCursor {
+ constructor(cursor, predicate) {
+ super(cursor);
+ this.predicate = predicate;
+ }
+ moveNext() {
+ const predicate = this.predicate;
+ while (super.moveNext()) {
+ if (predicate(this.current)) {
+ return true;
+ }
+ }
+ return false;
+ }
+}
+
+class ForwardTokenCommentCursor extends Cursor {
+ constructor(tokens, comments, indexMap, startLoc, endLoc) {
+ super();
+ this.tokens = tokens;
+ this.comments = comments;
+ this.tokenIndex = getFirstIndex(tokens, indexMap, startLoc);
+ this.commentIndex = search(comments, startLoc);
+ this.border = endLoc;
+ }
+ moveNext() {
+ const token = (this.tokenIndex < this.tokens.length) ? this.tokens[this.tokenIndex] : null;
+ const comment = (this.commentIndex < this.comments.length) ? this.comments[this.commentIndex] : null;
+ if (token && (!comment || token.range[0] < comment.range[0])) {
+ this.current = token;
+ this.tokenIndex += 1;
+ }
+ else if (comment) {
+ this.current = comment;
+ this.commentIndex += 1;
+ }
+ else {
+ this.current = null;
+ }
+ return this.current != null && (this.border === -1 || this.current.range[1] <= this.border);
+ }
+}
+
+class ForwardTokenCursor extends Cursor {
+ constructor(tokens, _comments, indexMap, startLoc, endLoc) {
+ super();
+ this.tokens = tokens;
+ this.index = getFirstIndex(tokens, indexMap, startLoc);
+ this.indexEnd = getLastIndex(tokens, indexMap, endLoc);
+ }
+ moveNext() {
+ if (this.index <= this.indexEnd) {
+ this.current = this.tokens[this.index];
+ this.index += 1;
+ return true;
+ }
+ return false;
+ }
+ getOneToken() {
+ return (this.index <= this.indexEnd) ? this.tokens[this.index] : null;
+ }
+ getAllTokens() {
+ return this.tokens.slice(this.index, this.indexEnd + 1);
+ }
+}
+
+class LimitCursor extends DecorativeCursor {
+ constructor(cursor, count) {
+ super(cursor);
+ this.count = count;
+ }
+ moveNext() {
+ if (this.count > 0) {
+ this.count -= 1;
+ return super.moveNext();
+ }
+ return false;
+ }
+}
+
+class SkipCursor extends DecorativeCursor {
+ constructor(cursor, count) {
+ super(cursor);
+ this.count = count;
+ }
+ moveNext() {
+ while (this.count > 0) {
+ this.count -= 1;
+ if (!super.moveNext()) {
+ return false;
+ }
+ }
+ return super.moveNext();
+ }
+}
+
+class CursorFactory {
+ constructor(TokenCursor, TokenCommentCursor) {
+ this.TokenCursor = TokenCursor;
+ this.TokenCommentCursor = TokenCommentCursor;
+ }
+ createBaseCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments) {
+ const TokenCursor = includeComments ? this.TokenCommentCursor : this.TokenCursor;
+ return new TokenCursor(tokens, comments, indexMap, startLoc, endLoc);
+ }
+ createCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments, filter, skip, count) {
+ let cursor = this.createBaseCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments);
+ if (filter) {
+ cursor = new FilterCursor(cursor, filter);
+ }
+ if (skip >= 1) {
+ cursor = new SkipCursor(cursor, skip);
+ }
+ if (count >= 0) {
+ cursor = new LimitCursor(cursor, count);
+ }
+ return cursor;
+ }
+}
+const forward = new CursorFactory(ForwardTokenCursor, ForwardTokenCommentCursor);
+const backward = new CursorFactory(BackwardTokenCursor, BackwardTokenCommentCursor);
+
+class PaddedTokenCursor extends ForwardTokenCursor {
+ constructor(tokens, comments, indexMap, startLoc, endLoc, beforeCount, afterCount) {
+ super(tokens, comments, indexMap, startLoc, endLoc);
+ this.index = Math.max(0, this.index - beforeCount);
+ this.indexEnd = Math.min(tokens.length - 1, this.indexEnd + afterCount);
+ }
+}
+
+function isCommentToken(token) {
+ return token.type === "Line" || token.type === "Block" || token.type === "Shebang";
+}
+function createIndexMap(tokens, comments) {
+ const map = Object.create(null);
+ let tokenIndex = 0;
+ let commentIndex = 0;
+ let nextStart = 0;
+ let range = null;
+ while (tokenIndex < tokens.length || commentIndex < comments.length) {
+ nextStart = (commentIndex < comments.length) ? comments[commentIndex].range[0] : Number.MAX_SAFE_INTEGER;
+ while (tokenIndex < tokens.length && (range = tokens[tokenIndex].range)[0] < nextStart) {
+ map[range[0]] = tokenIndex;
+ map[range[1] - 1] = tokenIndex;
+ tokenIndex += 1;
+ }
+ nextStart = (tokenIndex < tokens.length) ? tokens[tokenIndex].range[0] : Number.MAX_SAFE_INTEGER;
+ while (commentIndex < comments.length && (range = comments[commentIndex].range)[0] < nextStart) {
+ map[range[0]] = tokenIndex;
+ map[range[1] - 1] = tokenIndex;
+ commentIndex += 1;
+ }
+ }
+ return map;
+}
+function createCursorWithSkip(factory, tokens, comments, indexMap, startLoc, endLoc, opts) {
+ let includeComments = false;
+ let skip = 0;
+ let filter = null;
+ if (typeof opts === "number") {
+ skip = opts | 0;
+ }
+ else if (typeof opts === "function") {
+ filter = opts;
+ }
+ else if (opts) {
+ includeComments = Boolean(opts.includeComments);
+ skip = opts.skip || 0;
+ filter = opts.filter || null;
+ }
+ assert(skip >= 0, "options.skip should be zero or a positive integer.");
+ assert(!filter || typeof filter === "function", "options.filter should be a function.");
+ return factory.createCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments, filter, skip, -1);
+}
+function createCursorWithCount(factory, tokens, comments, indexMap, startLoc, endLoc, opts) {
+ let includeComments = false;
+ let count = 0;
+ let countExists = false;
+ let filter = null;
+ if (typeof opts === "number") {
+ count = opts | 0;
+ countExists = true;
+ }
+ else if (typeof opts === "function") {
+ filter = opts;
+ }
+ else if (opts) {
+ includeComments = Boolean(opts.includeComments);
+ count = opts.count || 0;
+ countExists = typeof opts.count === "number";
+ filter = opts.filter || null;
+ }
+ assert(count >= 0, "options.count should be zero or a positive integer.");
+ assert(!filter || typeof filter === "function", "options.filter should be a function.");
+ return factory.createCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments, filter, 0, countExists ? count : -1);
+}
+function createCursorWithPadding(tokens, comments, indexMap, startLoc, endLoc, beforeCount, afterCount) {
+ if (typeof beforeCount === "undefined" && typeof afterCount === "undefined") {
+ return new ForwardTokenCursor(tokens, comments, indexMap, startLoc, endLoc);
+ }
+ if (typeof beforeCount === "number" || typeof beforeCount === "undefined") {
+ return new PaddedTokenCursor(tokens, comments, indexMap, startLoc, endLoc, beforeCount || 0, afterCount || 0);
+ }
+ return createCursorWithCount(forward, tokens, comments, indexMap, startLoc, endLoc, beforeCount);
+}
+function getAdjacentCommentTokensFromCursor(cursor) {
+ const tokens = [];
+ let currentToken = cursor.getOneToken();
+ while (currentToken && isCommentToken(currentToken)) {
+ tokens.push(currentToken);
+ currentToken = cursor.getOneToken();
+ }
+ return tokens;
+}
+class TokenStore {
+ constructor(tokens, comments) {
+ this._tokens = tokens;
+ this._comments = comments;
+ this._indexMap = createIndexMap(tokens, comments);
+ }
+ getTokenByRangeStart(offset, options) {
+ const includeComments = Boolean(options && options.includeComments);
+ const token = forward.createBaseCursor(this._tokens, this._comments, this._indexMap, offset, -1, includeComments).getOneToken();
+ if (token && token.range[0] === offset) {
+ return token;
+ }
+ return null;
+ }
+ getFirstToken(node, options) {
+ return createCursorWithSkip(forward, this._tokens, this._comments, this._indexMap, node.range[0], node.range[1], options).getOneToken();
+ }
+ getLastToken(node, options) {
+ return createCursorWithSkip(backward, this._tokens, this._comments, this._indexMap, node.range[0], node.range[1], options).getOneToken();
+ }
+ getTokenBefore(node, options) {
+ return createCursorWithSkip(backward, this._tokens, this._comments, this._indexMap, -1, node.range[0], options).getOneToken();
+ }
+ getTokenAfter(node, options) {
+ return createCursorWithSkip(forward, this._tokens, this._comments, this._indexMap, node.range[1], -1, options).getOneToken();
+ }
+ getFirstTokenBetween(left, right, options) {
+ return createCursorWithSkip(forward, this._tokens, this._comments, this._indexMap, left.range[1], right.range[0], options).getOneToken();
+ }
+ getLastTokenBetween(left, right, options) {
+ return createCursorWithSkip(backward, this._tokens, this._comments, this._indexMap, left.range[1], right.range[0], options).getOneToken();
+ }
+ getTokenOrCommentBefore(node, skip) {
+ return this.getTokenBefore(node, { includeComments: true, skip });
+ }
+ getTokenOrCommentAfter(node, skip) {
+ return this.getTokenAfter(node, { includeComments: true, skip });
+ }
+ getFirstTokens(node, options) {
+ return createCursorWithCount(forward, this._tokens, this._comments, this._indexMap, node.range[0], node.range[1], options).getAllTokens();
+ }
+ getLastTokens(node, options) {
+ return createCursorWithCount(backward, this._tokens, this._comments, this._indexMap, node.range[0], node.range[1], options).getAllTokens().reverse();
+ }
+ getTokensBefore(node, options) {
+ return createCursorWithCount(backward, this._tokens, this._comments, this._indexMap, -1, node.range[0], options).getAllTokens().reverse();
+ }
+ getTokensAfter(node, options) {
+ return createCursorWithCount(forward, this._tokens, this._comments, this._indexMap, node.range[1], -1, options).getAllTokens();
+ }
+ getFirstTokensBetween(left, right, options) {
+ return createCursorWithCount(forward, this._tokens, this._comments, this._indexMap, left.range[1], right.range[0], options).getAllTokens();
+ }
+ getLastTokensBetween(left, right, options) {
+ return createCursorWithCount(backward, this._tokens, this._comments, this._indexMap, left.range[1], right.range[0], options).getAllTokens().reverse();
+ }
+ getTokens(node, beforeCount, afterCount) {
+ return createCursorWithPadding(this._tokens, this._comments, this._indexMap, node.range[0], node.range[1], beforeCount, afterCount).getAllTokens();
+ }
+ getTokensBetween(left, right, padding) {
+ return createCursorWithPadding(this._tokens, this._comments, this._indexMap, left.range[1], right.range[0], padding, typeof padding === "number" ? padding : undefined).getAllTokens();
+ }
+ commentsExistBetween(left, right) {
+ const index = search(this._comments, left.range[1]);
+ return (index < this._comments.length &&
+ this._comments[index].range[1] <= right.range[0]);
+ }
+ getCommentsBefore(nodeOrToken) {
+ const cursor = createCursorWithCount(backward, this._tokens, this._comments, this._indexMap, -1, nodeOrToken.range[0], { includeComments: true });
+ return getAdjacentCommentTokensFromCursor(cursor).reverse();
+ }
+ getCommentsAfter(nodeOrToken) {
+ const cursor = createCursorWithCount(forward, this._tokens, this._comments, this._indexMap, nodeOrToken.range[1], -1, { includeComments: true });
+ return getAdjacentCommentTokensFromCursor(cursor);
+ }
+ getCommentsInside(node) {
+ return this.getTokens(node, {
+ includeComments: true,
+ filter: isCommentToken,
+ });
+ }
+}
+
+const emitters = new WeakMap();
+const stores = new WeakMap();
+function define(rootAST, document) {
+ return {
+ defineTemplateBodyVisitor(templateBodyVisitor, scriptVisitor) {
+ if (scriptVisitor == null) {
+ scriptVisitor = {};
+ }
+ if (rootAST.templateBody == null) {
+ return scriptVisitor;
+ }
+ let emitter = emitters.get(rootAST);
+ if (emitter == null) {
+ emitter = new EventEmitter();
+ emitter.setMaxListeners(0);
+ emitters.set(rootAST, emitter);
+ const programExitHandler = scriptVisitor["Program:exit"];
+ scriptVisitor["Program:exit"] = node => {
+ try {
+ if (typeof programExitHandler === "function") {
+ programExitHandler(node);
+ }
+ const generator = new NodeEventGenerator(emitter);
+ traverseNodes(rootAST.templateBody, generator);
+ }
+ finally {
+ scriptVisitor["Program:exit"] = programExitHandler;
+ emitters.delete(rootAST);
+ }
+ };
+ }
+ for (const selector of Object.keys(templateBodyVisitor)) {
+ emitter.on(selector, templateBodyVisitor[selector]);
+ }
+ return scriptVisitor;
+ },
+ getTemplateBodyTokenStore() {
+ const ast = rootAST.templateBody;
+ const key = ast || stores;
+ let store = stores.get(key);
+ if (!store) {
+ store =
+ ast != null
+ ? new TokenStore(ast.tokens, ast.comments)
+ : new TokenStore([], []);
+ stores.set(key, store);
+ }
+ return store;
+ },
+ getDocumentFragment() {
+ return document;
+ },
+ };
+}
+
+const STARTS_WITH_LT = /^\s*</u;
+function isVueFile(code, options) {
+ const filePath = options.filePath || "unknown.js";
+ return path.extname(filePath) === ".vue" || STARTS_WITH_LT.test(code);
+}
+function isTemplateElement(node) {
+ return node.type === "VElement" && node.name === "template";
+}
+function isScriptElement(node) {
+ return node.type === "VElement" && node.name === "script";
+}
+function isLang(attribute) {
+ return attribute.directive === false && attribute.key.name === "lang";
+}
+function getLang(element, defaultLang) {
+ const langAttr = element && element.startTag.attributes.find(isLang);
+ const lang = langAttr && langAttr.value && langAttr.value.value;
+ return lang || defaultLang;
+}
+function parseForESLint(code, options) {
+ options = Object.assign({
+ comment: true,
+ ecmaVersion: 2015,
+ loc: true,
+ range: true,
+ tokens: true,
+ }, options || {});
+ let result;
+ let document;
+ if (!isVueFile(code, options)) {
+ result = parseScript(code, options);
+ document = null;
+ }
+ else {
+ const skipParsingScript = options.parser === false;
+ const tokenizer = new Tokenizer(code);
+ const rootAST = new Parser(tokenizer, options).parse();
+ const locationCalcurator = new LocationCalculator(tokenizer.gaps, tokenizer.lineTerminators);
+ const script = rootAST.children.find(isScriptElement);
+ const template = rootAST.children.find(isTemplateElement);
+ const templateLang = getLang(template, "html");
+ const concreteInfo = {
+ tokens: rootAST.tokens,
+ comments: rootAST.comments,
+ errors: rootAST.errors,
+ };
+ const templateBody = template != null && templateLang === "html"
+ ? Object.assign(template, concreteInfo)
+ : undefined;
+ if (skipParsingScript || script == null) {
+ result = parseScript("", options);
+ }
+ else {
+ result = parseScriptElement(script, locationCalcurator, options);
+ }
+ result.ast.templateBody = templateBody;
+ document = rootAST;
+ }
+ result.services = Object.assign(result.services || {}, define(result.ast, document));
+ return result;
+}
+function parse(code, options) {
+ return parseForESLint(code, options).ast;
+}
+
+exports.AST = index;
+exports.parse = parse;
+exports.parseForESLint = parseForESLint;
+//# sourceMappingURL=index.js.map
projects / dotfiles / .git / blobdiff