Updated codemirror to 5.4.0

public/vendor/codemirror/mode/mathematica/mathematica.js

@@ -0,0 +1,175 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://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\$])*::usage)/, true, false)) {
+      return 'meta';
+    }
+
+    // message
+    if (stream.match(/([a-zA-Z\$]+(?:`?[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
+    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'
+});
+
+});