448 lines
16 KiB
JavaScript
448 lines
16 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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function Context(indented, column, type, info, align, prev) {
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this.indented = indented;
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this.column = column;
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this.type = type;
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this.info = info;
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this.align = align;
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this.prev = prev;
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}
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function pushContext(state, col, type, info) {
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var indent = state.indented;
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if (state.context && state.context.type == "statement" && type != "statement")
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indent = state.context.indented;
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return state.context = new Context(indent, col, type, info, null, state.context);
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}
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function popContext(state) {
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var t = state.context.type;
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if (t == ")" || t == "]" || t == "}")
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state.indented = state.context.indented;
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return state.context = state.context.prev;
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}
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function typeBefore(stream, state, pos) {
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if (state.prevToken == "variable" || state.prevToken == "type") return true;
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if (/\S(?:[^- ]>|[*\]])\s*$|\*$/.test(stream.string.slice(0, pos))) return true;
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if (state.typeAtEndOfLine && stream.column() == stream.indentation()) return true;
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}
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function isTopScope(context) {
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for (;;) {
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if (!context || context.type == "top") return true;
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if (context.type == "}" && context.prev.info != "namespace") return false;
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context = context.prev;
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}
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}
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CodeMirror.defineMode("clike", function(config, parserConfig) {
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var indentUnit = config.indentUnit,
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statementIndentUnit = parserConfig.statementIndentUnit || indentUnit,
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dontAlignCalls = parserConfig.dontAlignCalls,
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keywords = parserConfig.keywords || {},
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types = parserConfig.types || {},
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builtin = parserConfig.builtin || {},
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blockKeywords = parserConfig.blockKeywords || {},
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defKeywords = parserConfig.defKeywords || {},
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atoms = parserConfig.atoms || {},
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hooks = parserConfig.hooks || {},
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multiLineStrings = parserConfig.multiLineStrings,
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indentStatements = parserConfig.indentStatements !== false,
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indentSwitch = parserConfig.indentSwitch !== false,
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namespaceSeparator = parserConfig.namespaceSeparator,
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isPunctuationChar = parserConfig.isPunctuationChar || /[\[\]{}\(\),;\:\.]/,
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numberStart = parserConfig.numberStart || /[\d\.]/,
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number = parserConfig.number || /^(?:0x[a-f\d]+|0b[01]+|(?:\d+\.?\d*|\.\d+)(?:e[-+]?\d+)?)(u|ll?|l|f)?/i,
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isOperatorChar = parserConfig.isOperatorChar || /[+\-*&%=<>!?|\/]/,
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isIdentifierChar = parserConfig.isIdentifierChar || /[\w\$_\xa1-\uffff]/,
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// An optional function that takes a {string} token and returns true if it
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// should be treated as a builtin.
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isReservedIdentifier = parserConfig.isReservedIdentifier || false;
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var curPunc, isDefKeyword;
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function tokenBase(stream, state) {
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var ch = stream.next();
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if (hooks[ch]) {
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var result = hooks[ch](stream, state);
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if (result !== false) return result;
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}
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if (ch == '"' || ch == "'") {
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state.tokenize = tokenString(ch);
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return state.tokenize(stream, state);
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}
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if (isPunctuationChar.test(ch)) {
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curPunc = ch;
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return null;
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}
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if (numberStart.test(ch)) {
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stream.backUp(1)
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if (stream.match(number)) return "number"
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stream.next()
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}
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if (ch == "/") {
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if (stream.eat("*")) {
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state.tokenize = tokenComment;
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return tokenComment(stream, state);
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}
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if (stream.eat("/")) {
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stream.skipToEnd();
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return "comment";
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}
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}
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if (isOperatorChar.test(ch)) {
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while (!stream.match(/^\/[\/*]/, false) && stream.eat(isOperatorChar)) {}
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return "operator";
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}
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stream.eatWhile(isIdentifierChar);
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if (namespaceSeparator) while (stream.match(namespaceSeparator))
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stream.eatWhile(isIdentifierChar);
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var cur = stream.current();
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if (contains(keywords, cur)) {
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if (contains(blockKeywords, cur)) curPunc = "newstatement";
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if (contains(defKeywords, cur)) isDefKeyword = true;
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return "keyword";
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}
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if (contains(types, cur)) return "type";
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if (contains(builtin, cur)
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|| (isReservedIdentifier && isReservedIdentifier(cur))) {
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if (contains(blockKeywords, cur)) curPunc = "newstatement";
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return "builtin";
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}
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if (contains(atoms, cur)) return "atom";
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return "variable";
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}
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function tokenString(quote) {
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return function(stream, state) {
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var escaped = false, next, end = false;
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while ((next = stream.next()) != null) {
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if (next == quote && !escaped) {end = true; break;}
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escaped = !escaped && next == "\\";
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}
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if (end || !(escaped || multiLineStrings))
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state.tokenize = null;
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return "string";
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};
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}
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function tokenComment(stream, state) {
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var maybeEnd = false, ch;
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while (ch = stream.next()) {
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if (ch == "/" && maybeEnd) {
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state.tokenize = null;
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break;
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}
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maybeEnd = (ch == "*");
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}
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return "comment";
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}
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function maybeEOL(stream, state) {
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if (parserConfig.typeFirstDefinitions && stream.eol() && isTopScope(state.context))
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state.typeAtEndOfLine = typeBefore(stream, state, stream.pos)
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}
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// Interface
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return {
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startState: function(basecolumn) {
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return {
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tokenize: null,
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context: new Context((basecolumn || 0) - indentUnit, 0, "top", null, false),
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indented: 0,
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startOfLine: true,
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prevToken: null
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};
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},
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token: function(stream, state) {
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var ctx = state.context;
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if (stream.sol()) {
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if (ctx.align == null) ctx.align = false;
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state.indented = stream.indentation();
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state.startOfLine = true;
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}
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if (stream.eatSpace()) { maybeEOL(stream, state); return null; }
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curPunc = isDefKeyword = null;
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var style = (state.tokenize || tokenBase)(stream, state);
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if (style == "comment" || style == "meta") return style;
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if (ctx.align == null) ctx.align = true;
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if (curPunc == ";" || curPunc == ":" || (curPunc == "," && stream.match(/^\s*(?:\/\/.*)?$/, false)))
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while (state.context.type == "statement") popContext(state);
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else if (curPunc == "{") pushContext(state, stream.column(), "}");
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else if (curPunc == "[") pushContext(state, stream.column(), "]");
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else if (curPunc == "(") pushContext(state, stream.column(), ")");
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else if (curPunc == "}") {
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while (ctx.type == "statement") ctx = popContext(state);
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if (ctx.type == "}") ctx = popContext(state);
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while (ctx.type == "statement") ctx = popContext(state);
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}
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else if (curPunc == ctx.type) popContext(state);
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else if (indentStatements &&
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(((ctx.type == "}" || ctx.type == "top") && curPunc != ";") ||
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(ctx.type == "statement" && curPunc == "newstatement"))) {
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pushContext(state, stream.column(), "statement", stream.current());
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}
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if (style == "variable" &&
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((state.prevToken == "def" ||
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(parserConfig.typeFirstDefinitions && typeBefore(stream, state, stream.start) &&
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isTopScope(state.context) && stream.match(/^\s*\(/, false)))))
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style = "def";
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if (hooks.token) {
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var result = hooks.token(stream, state, style);
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if (result !== undefined) style = result;
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}
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if (style == "def" && parserConfig.styleDefs === false) style = "variable";
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state.startOfLine = false;
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state.prevToken = isDefKeyword ? "def" : style || curPunc;
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maybeEOL(stream, state);
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return style;
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},
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indent: function(state, textAfter) {
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if (state.tokenize != tokenBase && state.tokenize != null || state.typeAtEndOfLine) return CodeMirror.Pass;
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var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
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var closing = firstChar == ctx.type;
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if (ctx.type == "statement" && firstChar == "}") ctx = ctx.prev;
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if (parserConfig.dontIndentStatements)
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while (ctx.type == "statement" && parserConfig.dontIndentStatements.test(ctx.info))
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ctx = ctx.prev
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if (hooks.indent) {
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var hook = hooks.indent(state, ctx, textAfter, indentUnit);
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if (typeof hook == "number") return hook
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}
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var switchBlock = ctx.prev && ctx.prev.info == "switch";
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if (parserConfig.allmanIndentation && /[{(]/.test(firstChar)) {
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while (ctx.type != "top" && ctx.type != "}") ctx = ctx.prev
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return ctx.indented
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}
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if (ctx.type == "statement")
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return ctx.indented + (firstChar == "{" ? 0 : statementIndentUnit);
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if (ctx.align && (!dontAlignCalls || ctx.type != ")"))
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return ctx.column + (closing ? 0 : 1);
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if (ctx.type == ")" && !closing)
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return ctx.indented + statementIndentUnit;
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return ctx.indented + (closing ? 0 : indentUnit) +
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(!closing && switchBlock && !/^(?:case|default)\b/.test(textAfter) ? indentUnit : 0);
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},
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electricInput: indentSwitch ? /^\s*(?:case .*?:|default:|\{\}?|\})$/ : /^\s*[{}]$/,
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blockCommentStart: "/*",
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blockCommentEnd: "*/",
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blockCommentContinue: " * ",
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lineComment: "//",
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fold: "brace"
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};
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});
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function words(str) {
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var obj = {}, words = str.split(" ");
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for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
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return obj;
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}
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function contains(words, word) {
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if (typeof words === "function") {
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return words(word);
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} else {
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return words.propertyIsEnumerable(word);
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}
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}
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var cKeywords = "auto if break case register continue return default do sizeof " +
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"static else struct switch extern typedef union for goto while enum const " +
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"volatile inline restrict asm fortran";
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// Keywords from https://en.cppreference.com/w/cpp/keyword includes C++20.
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var cppKeywords = "alignas alignof and and_eq audit axiom bitand bitor catch " +
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"class compl concept constexpr const_cast decltype delete dynamic_cast " +
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"explicit export final friend import module mutable namespace new noexcept " +
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"not not_eq operator or or_eq override private protected public " +
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"reinterpret_cast requires static_assert static_cast template this " +
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"thread_local throw try typeid typename using virtual xor xor_eq";
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var objCKeywords = "bycopy byref in inout oneway out self super atomic nonatomic retain copy " +
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"readwrite readonly strong weak assign typeof nullable nonnull null_resettable _cmd " +
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"@interface @implementation @end @protocol @encode @property @synthesize @dynamic @class " +
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"@public @package @private @protected @required @optional @try @catch @finally @import " +
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"@selector @encode @defs @synchronized @autoreleasepool @compatibility_alias @available";
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var objCBuiltins = "FOUNDATION_EXPORT FOUNDATION_EXTERN NS_INLINE NS_FORMAT_FUNCTION " +
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" NS_RETURNS_RETAINEDNS_ERROR_ENUM NS_RETURNS_NOT_RETAINED NS_RETURNS_INNER_POINTER " +
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"NS_DESIGNATED_INITIALIZER NS_ENUM NS_OPTIONS NS_REQUIRES_NIL_TERMINATION " +
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"NS_ASSUME_NONNULL_BEGIN NS_ASSUME_NONNULL_END NS_SWIFT_NAME NS_REFINED_FOR_SWIFT"
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// Do not use this. Use the cTypes function below. This is global just to avoid
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// excessive calls when cTypes is being called multiple times during a parse.
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var basicCTypes = words("int long char short double float unsigned signed " +
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"void bool");
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// Do not use this. Use the objCTypes function below. This is global just to avoid
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// excessive calls when objCTypes is being called multiple times during a parse.
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var basicObjCTypes = words("SEL instancetype id Class Protocol BOOL");
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// Returns true if identifier is a "C" type.
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// C type is defined as those that are reserved by the compiler (basicTypes),
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// and those that end in _t (Reserved by POSIX for types)
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// http://www.gnu.org/software/libc/manual/html_node/Reserved-Names.html
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function cTypes(identifier) {
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return contains(basicCTypes, identifier) || /.+_t$/.test(identifier);
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}
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// Returns true if identifier is a "Objective C" type.
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function objCTypes(identifier) {
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return cTypes(identifier) || contains(basicObjCTypes, identifier);
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}
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var cBlockKeywords = "case do else for if switch while struct enum union";
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var cDefKeywords = "struct enum union";
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function cppHook(stream, state) {
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if (!state.startOfLine) return false
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for (var ch, next = null; ch = stream.peek();) {
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if (ch == "\\" && stream.match(/^.$/)) {
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next = cppHook
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break
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} else if (ch == "/" && stream.match(/^\/[\/\*]/, false)) {
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break
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}
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stream.next()
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}
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state.tokenize = next
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return "meta"
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}
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function pointerHook(_stream, state) {
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if (state.prevToken == "type") return "type";
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return false;
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}
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// For C and C++ (and ObjC): identifiers starting with __
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// or _ followed by a capital letter are reserved for the compiler.
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function cIsReservedIdentifier(token) {
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if (!token || token.length < 2) return false;
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if (token[0] != '_') return false;
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return (token[1] == '_') || (token[1] !== token[1].toLowerCase());
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}
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function cpp14Literal(stream) {
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stream.eatWhile(/[\w\.']/);
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return "number";
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}
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function cpp11StringHook(stream, state) {
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stream.backUp(1);
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// Raw strings.
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if (stream.match(/(R|u8R|uR|UR|LR)/)) {
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var match = stream.match(/"([^\s\\()]{0,16})\(/);
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if (!match) {
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return false;
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}
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state.cpp11RawStringDelim = match[1];
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state.tokenize = tokenRawString;
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return tokenRawString(stream, state);
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}
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// Unicode strings/chars.
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if (stream.match(/(u8|u|U|L)/)) {
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if (stream.match(/["']/, /* eat */ false)) {
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return "string";
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}
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return false;
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}
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// Ignore this hook.
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stream.next();
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return false;
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}
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function cppLooksLikeConstructor(word) {
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var lastTwo = /(\w+)::~?(\w+)$/.exec(word);
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return lastTwo && lastTwo[1] == lastTwo[2];
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}
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// C#-style strings where "" escapes a quote.
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function tokenAtString(stream, state) {
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var next;
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while ((next = stream.next()) != null) {
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if (next == '"' && !stream.eat('"')) {
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state.tokenize = null;
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break;
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}
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}
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return "string";
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}
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// C++11 raw string literal is <prefix>"<delim>( anything )<delim>", where
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// <delim> can be a string up to 16 characters long.
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function tokenRawString(stream, state) {
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// Escape characters that have special regex meanings.
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var delim = state.cpp11RawStringDelim.replace(/[^\w\s]/g, '\\$&');
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var match = stream.match(new RegExp(".*?\\)" + delim + '"'));
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if (match)
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state.tokenize = null;
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else
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stream.skipToEnd();
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return "string";
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}
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function def(mimes, mode) {
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if (typeof mimes == "string") mimes = [mimes];
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var words = [];
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function add(obj) {
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if (obj) for (var prop in obj) if (obj.hasOwnProperty(prop))
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words.push(prop);
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}
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add(mode.keywords);
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add(mode.types);
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add(mode.builtin);
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add(mode.atoms);
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if (words.length) {
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mode.helperType = mimes[0];
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CodeMirror.registerHelper("hintWords", mimes[0], words);
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}
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for (var i = 0; i < mimes.length; ++i)
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CodeMirror.defineMIME(mimes[i], mode);
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}
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def("text/x-wiz", {
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name: "clike",
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keywords: words("u8 u16 u24 u32 u64 i8 i16 i24 i32 i64 bool iexpr " +
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"vardata prgdata constdata chrdata varinitdata " +
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"do else for if switch while in import embed bank config goto return by break continue " +
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"zero carry negative overflow decimal nointerrupt push pop nop halt stop bit cmp " +
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"var let const namespace func inline struct union enum typealias " +
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"sizeof as compile_if"),
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types: words("u8 u16 u24 u32 u64 i8 i16 i24 i32 i64 bool iexpr"),
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blockKeywords: words("do else for if switch while"),
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defKeywords: words("bank func namespace in const struct union enum typealias"),
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typeFirstDefinitions: true,
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atoms: words("true false null"),
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number: /^(?:0x[a-f\d_]+|0b[01_]+|(?:[\d_]+\.?\d*|\.\d+)(?:e[-+]?[\d_]+)?)(u|ll?|l|f)?/i,
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hooks: {
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"#": function(stream) {
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stream.eatWhile(/\S/);
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return "meta";
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}
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},
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modeProps: {fold: ["brace", "import"]}
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});
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});
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