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434 lines
13 KiB
JavaScript
434 lines
13 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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CodeMirror.defineMode("julia", function(config, parserConf) {
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function wordRegexp(words, end) {
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if (typeof end === "undefined") { end = "\\b"; }
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return new RegExp("^((" + words.join(")|(") + "))" + end);
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}
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var octChar = "\\\\[0-7]{1,3}";
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var hexChar = "\\\\x[A-Fa-f0-9]{1,2}";
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var sChar = "\\\\[abefnrtv0%?'\"\\\\]";
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var uChar = "([^\\u0027\\u005C\\uD800-\\uDFFF]|[\\uD800-\\uDFFF][\\uDC00-\\uDFFF])";
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var operators = parserConf.operators || wordRegexp([
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"[<>]:", "[<>=]=", "<<=?", ">>>?=?", "=>", "->", "\\/\\/",
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"[\\\\%*+\\-<>!=\\/^|&\\u00F7\\u22BB]=?", "\\?", "\\$", "~", ":",
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"\\u00D7", "\\u2208", "\\u2209", "\\u220B", "\\u220C", "\\u2218",
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"\\u221A", "\\u221B", "\\u2229", "\\u222A", "\\u2260", "\\u2264",
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"\\u2265", "\\u2286", "\\u2288", "\\u228A", "\\u22C5",
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"\\b(in|isa)\\b(?!\.?\\()"], "");
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var delimiters = parserConf.delimiters || /^[;,()[\]{}]/;
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var identifiers = parserConf.identifiers ||
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/^[_A-Za-z\u00A1-\u2217\u2219-\uFFFF][\w\u00A1-\u2217\u2219-\uFFFF]*!*/;
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var chars = wordRegexp([octChar, hexChar, sChar, uChar], "'");
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var commonOpeners = ["begin", "function", "type", "struct", "immutable",
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"let", "macro", "for", "while", "quote", "if", "else", "elseif", "try",
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"finally", "catch", "do"];
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var commonClosers = ["end", "else", "elseif", "catch", "finally"];
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var commonKeywords = ["if", "else", "elseif", "while", "for", "begin",
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"let", "end", "do", "try", "catch", "finally", "return", "break",
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"continue", "global", "local", "const", "export", "import", "importall",
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"using", "function", "where", "macro", "module", "baremodule", "struct",
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"type", "mutable", "immutable", "quote", "typealias", "abstract",
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"primitive", "bitstype"];
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var commonBuiltins = ["true", "false", "nothing", "NaN", "Inf"];
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CodeMirror.registerHelper("hintWords", "julia", commonKeywords.concat(commonBuiltins));
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var openers = wordRegexp(commonOpeners);
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var closers = wordRegexp(commonClosers);
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var keywords = wordRegexp(commonKeywords);
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var builtins = wordRegexp(commonBuiltins);
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var macro = /^@[_A-Za-z][\w]*/;
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var symbol = /^:[_A-Za-z\u00A1-\uFFFF][\w\u00A1-\uFFFF]*!*/;
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var stringPrefixes = /^(`|([_A-Za-z\u00A1-\uFFFF]*"("")?))/;
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function inArray(state) {
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return inGenerator(state, '[')
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}
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function inGenerator(state, bracket, depth) {
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if (typeof(bracket) === "undefined") { bracket = '('; }
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if (typeof(depth) === "undefined") { depth = 0; }
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var scope = currentScope(state, depth);
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if ((depth == 0 && scope === "if" && inGenerator(state, bracket, depth + 1)) ||
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(scope === "for" && inGenerator(state, bracket, depth + 1)) ||
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(scope === bracket)) {
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return true;
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}
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return false;
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}
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function currentScope(state, n) {
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if (typeof(n) === "undefined") { n = 0; }
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if (state.scopes.length <= n) {
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return null;
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}
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return state.scopes[state.scopes.length - (n + 1)];
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}
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// tokenizers
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function tokenBase(stream, state) {
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// Handle multiline comments
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if (stream.match(/^#=/, false)) {
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state.tokenize = tokenComment;
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return state.tokenize(stream, state);
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}
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// Handle scope changes
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var leavingExpr = state.leavingExpr;
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if (stream.sol()) {
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leavingExpr = false;
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}
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state.leavingExpr = false;
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if (leavingExpr) {
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if (stream.match(/^'+/)) {
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return "operator";
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}
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}
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if (stream.match(/\.{4,}/)) {
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return "error";
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} else if (stream.match(/\.{1,3}/)) {
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return "operator";
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}
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if (stream.eatSpace()) {
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return null;
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}
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var ch = stream.peek();
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// Handle single line comments
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if (ch === '#') {
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stream.skipToEnd();
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return "comment";
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}
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if (ch === '[') {
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state.scopes.push('[');
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}
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if (ch === '(') {
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state.scopes.push('(');
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}
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if (inArray(state) && ch === ']') {
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if (currentScope(state) === "if") { state.scopes.pop(); }
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while (currentScope(state) === "for") { state.scopes.pop(); }
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state.scopes.pop();
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state.leavingExpr = true;
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}
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if (inGenerator(state) && ch === ')') {
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if (currentScope(state) === "if") { state.scopes.pop(); }
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while (currentScope(state) === "for") { state.scopes.pop(); }
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state.scopes.pop();
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state.leavingExpr = true;
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}
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if (inArray(state)) {
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if (state.lastToken == "end" && stream.match(/^:/)) {
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return "operator";
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}
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if (stream.match(/^end/)) {
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return "number";
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}
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}
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var match;
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if (match = stream.match(openers)) {
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state.scopes.push(match[0]);
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return "keyword";
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}
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if (stream.match(closers)) {
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state.scopes.pop();
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return "keyword";
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}
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// Handle type annotations
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if (stream.match(/^::(?![:\$])/)) {
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state.tokenize = tokenAnnotation;
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return state.tokenize(stream, state);
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}
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// Handle symbols
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if (!leavingExpr && stream.match(symbol) ||
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stream.match(/:([<>]:|<<=?|>>>?=?|->|\/\/|\.{2,3}|[\.\\%*+\-<>!\/^|&]=?|[~\?\$])/)) {
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return "builtin";
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}
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// Handle parametric types
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//if (stream.match(/^{[^}]*}(?=\()/)) {
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// return "builtin";
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//}
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// Handle operators and Delimiters
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if (stream.match(operators)) {
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return "operator";
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}
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// Handle Number Literals
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if (stream.match(/^\.?\d/, false)) {
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var imMatcher = RegExp(/^im\b/);
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var numberLiteral = false;
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// Floats
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if (stream.match(/^\d*\.(?!\.)\d*([Eef][\+\-]?\d+)?/i)) { numberLiteral = true; }
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if (stream.match(/^\d+\.(?!\.)\d*/)) { numberLiteral = true; }
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if (stream.match(/^\.\d+/)) { numberLiteral = true; }
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if (stream.match(/^0x\.[0-9a-f]+p[\+\-]?\d+/i)) { numberLiteral = true; }
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// Integers
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if (stream.match(/^0x[0-9a-f]+/i)) { numberLiteral = true; } // Hex
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if (stream.match(/^0b[01]+/i)) { numberLiteral = true; } // Binary
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if (stream.match(/^0o[0-7]+/i)) { numberLiteral = true; } // Octal
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if (stream.match(/^[1-9]\d*(e[\+\-]?\d+)?/)) { numberLiteral = true; } // Decimal
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// Zero by itself with no other piece of number.
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if (stream.match(/^0(?![\dx])/i)) { numberLiteral = true; }
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if (numberLiteral) {
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// Integer literals may be "long"
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stream.match(imMatcher);
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state.leavingExpr = true;
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return "number";
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}
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}
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// Handle Chars
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if (stream.match(/^'/)) {
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state.tokenize = tokenChar;
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return state.tokenize(stream, state);
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}
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// Handle Strings
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if (stream.match(stringPrefixes)) {
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state.tokenize = tokenStringFactory(stream.current());
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return state.tokenize(stream, state);
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}
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if (stream.match(macro)) {
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return "meta";
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}
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if (stream.match(delimiters)) {
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return null;
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}
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if (stream.match(keywords)) {
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return "keyword";
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}
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if (stream.match(builtins)) {
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return "builtin";
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}
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var isDefinition = state.isDefinition || state.lastToken == "function" ||
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state.lastToken == "macro" || state.lastToken == "type" ||
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state.lastToken == "struct" || state.lastToken == "immutable";
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if (stream.match(identifiers)) {
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if (isDefinition) {
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if (stream.peek() === '.') {
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state.isDefinition = true;
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return "variable";
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}
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state.isDefinition = false;
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return "def";
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}
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if (stream.match(/^({[^}]*})*\(/, false)) {
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state.tokenize = tokenCallOrDef;
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return state.tokenize(stream, state);
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}
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state.leavingExpr = true;
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return "variable";
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}
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// Handle non-detected items
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stream.next();
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return "error";
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}
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function tokenCallOrDef(stream, state) {
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var match = stream.match(/^(\(\s*)/);
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if (match) {
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if (state.firstParenPos < 0)
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state.firstParenPos = state.scopes.length;
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state.scopes.push('(');
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state.charsAdvanced += match[1].length;
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}
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if (currentScope(state) == '(' && stream.match(/^\)/)) {
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state.scopes.pop();
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state.charsAdvanced += 1;
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if (state.scopes.length <= state.firstParenPos) {
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var isDefinition = stream.match(/^(\s*where\s+[^\s=]+)*\s*?=(?!=)/, false);
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stream.backUp(state.charsAdvanced);
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state.firstParenPos = -1;
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state.charsAdvanced = 0;
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state.tokenize = tokenBase;
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if (isDefinition)
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return "def";
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return "builtin";
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}
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}
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// Unfortunately javascript does not support multiline strings, so we have
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// to undo anything done upto here if a function call or definition splits
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// over two or more lines.
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if (stream.match(/^$/g, false)) {
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stream.backUp(state.charsAdvanced);
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while (state.scopes.length > state.firstParenPos)
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state.scopes.pop();
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state.firstParenPos = -1;
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state.charsAdvanced = 0;
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state.tokenize = tokenBase;
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return "builtin";
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}
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state.charsAdvanced += stream.match(/^([^()]*)/)[1].length;
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return state.tokenize(stream, state);
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}
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function tokenAnnotation(stream, state) {
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stream.match(/.*?(?=,|;|{|}|\(|\)|=|$|\s)/);
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if (stream.match(/^{/)) {
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state.nestedLevels++;
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} else if (stream.match(/^}/)) {
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state.nestedLevels--;
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}
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if (state.nestedLevels > 0) {
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stream.match(/.*?(?={|})/) || stream.next();
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} else if (state.nestedLevels == 0) {
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state.tokenize = tokenBase;
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}
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return "builtin";
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}
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function tokenComment(stream, state) {
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if (stream.match(/^#=/)) {
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state.nestedLevels++;
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}
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if (!stream.match(/.*?(?=(#=|=#))/)) {
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stream.skipToEnd();
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}
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if (stream.match(/^=#/)) {
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state.nestedLevels--;
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if (state.nestedLevels == 0)
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state.tokenize = tokenBase;
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}
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return "comment";
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}
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function tokenChar(stream, state) {
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var isChar = false, match;
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if (stream.match(chars)) {
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isChar = true;
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} else if (match = stream.match(/\\u([a-f0-9]{1,4})(?=')/i)) {
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var value = parseInt(match[1], 16);
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if (value <= 55295 || value >= 57344) { // (U+0,U+D7FF), (U+E000,U+FFFF)
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isChar = true;
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stream.next();
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}
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} else if (match = stream.match(/\\U([A-Fa-f0-9]{5,8})(?=')/)) {
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var value = parseInt(match[1], 16);
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if (value <= 1114111) { // U+10FFFF
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isChar = true;
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stream.next();
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}
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}
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if (isChar) {
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state.leavingExpr = true;
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state.tokenize = tokenBase;
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return "string";
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}
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if (!stream.match(/^[^']+(?=')/)) { stream.skipToEnd(); }
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if (stream.match(/^'/)) { state.tokenize = tokenBase; }
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return "error";
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}
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function tokenStringFactory(delimiter) {
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if (delimiter.substr(-3) === '"""') {
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delimiter = '"""';
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} else if (delimiter.substr(-1) === '"') {
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delimiter = '"';
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}
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function tokenString(stream, state) {
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if (stream.eat('\\')) {
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stream.next();
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} else if (stream.match(delimiter)) {
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state.tokenize = tokenBase;
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state.leavingExpr = true;
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return "string";
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} else {
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stream.eat(/[`"]/);
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}
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stream.eatWhile(/[^\\`"]/);
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return "string";
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}
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return tokenString;
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}
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var external = {
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startState: function() {
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return {
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tokenize: tokenBase,
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scopes: [],
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lastToken: null,
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leavingExpr: false,
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isDefinition: false,
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nestedLevels: 0,
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charsAdvanced: 0,
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firstParenPos: -1
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};
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},
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token: function(stream, state) {
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var style = state.tokenize(stream, state);
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var current = stream.current();
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if (current && style) {
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state.lastToken = current;
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}
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return style;
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},
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indent: function(state, textAfter) {
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var delta = 0;
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if ( textAfter === ']' || textAfter === ')' || textAfter === "end" ||
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textAfter === "else" || textAfter === "catch" || textAfter === "elseif" ||
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textAfter === "finally" ) {
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delta = -1;
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}
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return (state.scopes.length + delta) * config.indentUnit;
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},
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electricInput: /\b(end|else|catch|finally)\b/,
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blockCommentStart: "#=",
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blockCommentEnd: "=#",
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lineComment: "#",
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fold: "indent"
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};
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return external;
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});
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CodeMirror.defineMIME("text/x-julia", "julia");
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});
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