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// CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: https://codemirror.net/LICENSE // Mathematica mode copyright (c) 2015 by Calin Barbat // Based on code by Patrick Scheibe (halirutan) // See: https://github.com/halirutan/Mathematica-Source-Highlighting/tree/master/src/lang-mma.js (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../../lib/codemirror")); else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { "use strict"; CodeMirror.defineMode('mathematica', function(_config, _parserConfig) { // used pattern building blocks var Identifier = '[a-zA-Z\\$][a-zA-Z0-9\\$]'; var pBase = "(?:\\d+)"; var pFloat = "(?:\\.\\d+\|\\d+\\.\\d\|\\d+)"; var pFloatBase = "(?:\\.\\w+\|\\w+\\.\\w\|\\w+)"; var pPrecision = "(?:`(?:`?"+pFloat+")?)"; // regular expressions var reBaseForm = new RegExp('(?:'+pBase+'(?:\\^\\^'+pFloatBase+pPrecision+'?(?:\\\\^[+-]?\\d+)?))'); var reFloatForm = new RegExp('(?:' + pFloat + pPrecision + '?(?:\\\\^[+-]?\\d+)?)'); var reIdInContext = new RegExp('(?:`?)(?:' + Identifier + ')(?:`(?:' + Identifier + '))(?:`?)'); function tokenBase(stream, state) { var ch; // get next character ch = stream.next(); // string if (ch === '"') { state.tokenize = tokenString; return state.tokenize(stream, state); } // comment if (ch === '(') { if (stream.eat('')) { state.commentLevel++; state.tokenize = tokenComment; return state.tokenize(stream, state); } } // go back one character stream.backUp(1); // look for numbers // Numbers in a baseform if (stream.match(reBaseForm, true, false)) { return 'number'; } // Mathematica numbers. Floats (1.2, .2, 1.) can have optionally a precision (`float) or an accuracy definition // (``float). Note: while 1.2` is possible 1.2`` is not. At the end an exponent (float^+12) can follow. if (stream.match(reFloatForm, true, false)) { return 'number'; } /* In[23] and Out[34] / if (stream.match(/(?:In\|Out)\[[0-9]\]/, true, false)) { return 'atom'; } // usage if (stream.match(/([a-zA-Z\$][a-zA-Z0-9\$](?:`[a-zA-Z0-9\$]+)::usage)/, true, false)) { return 'meta'; } // message if (stream.match(/([a-zA-Z\$][a-zA-Z0-9\$](?:`[a-zA-Z0-9\$]+)::[a-zA-Z\$][a-zA-Z0-9\$]):?/, true, false)) { return 'string-2'; } // this makes a look-ahead match for something like variable:{_Integer} // the match is then forwarded to the mma-patterns tokenizer. if (stream.match(/([a-zA-Z\$][a-zA-Z0-9\$]\s:)(?:(?:[a-zA-Z\$][a-zA-Z0-9\$])\|(?:[^:=>~@\^\&\\)\[\]'\?,\\|]))./, true, false)) { return 'variable-2'; } // catch variables which are used together with Blank (_), BlankSequence (__) or BlankNullSequence (___) // Cannot start with a number, but can have numbers at any other position. Examples // blub__Integer, a1_, b34_Integer32 if (stream.match(/[a-zA-Z\$][a-zA-Z0-9\$]_+[a-zA-Z\$][a-zA-Z0-9\$]/, true, false)) { return 'variable-2'; } if (stream.match(/[a-zA-Z\$][a-zA-Z0-9\$]_+/, true, false)) { return 'variable-2'; } if (stream.match(/_+[a-zA-Z\$][a-zA-Z0-9\$]/, true, false)) { return 'variable-2'; } // Named characters in Mathematica, like \[Gamma]. if (stream.match(/\\\[[a-zA-Z\$][a-zA-Z0-9\$]\]/, true, false)) { return 'variable-3'; } // Match all braces separately if (stream.match(/(?:\[\|\]\|{\|}\|$\|$)/, true, false)) { return 'bracket'; } // Catch Slots (#, ##, #3, ##9 and the V10 named slots #name). I have never seen someone using more than one digit after #, so we match // only one. if (stream.match(/(?:#[a-zA-Z\$][a-zA-Z0-9\$]\|#+[0-9]?)/, true, false)) { return 'variable-2'; } // Literals like variables, keywords, functions if (stream.match(reIdInContext, true, false)) { return 'keyword'; } // operators. Note that operators like @@ or /; are matched separately for each symbol. if (stream.match(/(?:\\\|\+\|\-\|\\|\/\|,\|;\|\.\|:\|@\|~\|=\|>\|<\|&\|\\|\|_\|`\|'\|\^\|\?\|!\|%)/, true, false)) { return 'operator'; } // everything else is an error stream.next(); // advance the stream. return 'error'; } function tokenString(stream, state) { var next, end = false, escaped = false; while ((next = stream.next()) != null) { if (next === '"' && !escaped) { end = true; break; } escaped = !escaped && next === '\\'; } if (end && !escaped) { state.tokenize = tokenBase; } return 'string'; }; function tokenComment(stream, state) { var prev, next; while(state.commentLevel > 0 && (next = stream.next()) != null) { if (prev === '(' && next === '') state.commentLevel++; if (prev === '' && next === ')') state.commentLevel--; prev = next; } if (state.commentLevel <= 0) { state.tokenize = tokenBase; } return 'comment'; } return { startState: function() {return {tokenize: tokenBase, commentLevel: 0};}, token: function(stream, state) { if (stream.eatSpace()) return null; return state.tokenize(stream, state); }, blockCommentStart: "(", blockCommentEnd: "*)" }; }); CodeMirror.defineMIME('text/x-mathematica', { name: 'mathematica' }); });

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