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diff --git a/public/vendor/codemirror/mode/yacas/yacas.js b/public/vendor/codemirror/mode/yacas/yacas.js
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+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+// Yacas mode copyright (c) 2015 by Grzegorz Mazur
+// Loosely based on mathematica mode by Calin Barbat
+
+(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('yacas', function(_config, _parserConfig) {
+
+ // patterns
+ var pFloatForm = "(?:(?:\\.\\d+|\\d+\\.\\d*|\\d+)(?:[eE][+-]?\\d+)?)";
+ var pIdentifier = "(?:[a-zA-Z\\$'][a-zA-Z0-9\\$']*)";
+
+ // regular expressions
+ var reFloatForm = new RegExp(pFloatForm);
+ var reIdentifier = new RegExp(pIdentifier);
+ var rePattern = new RegExp(pIdentifier + "?_" + pIdentifier);
+ var reFunctionLike = new RegExp(pIdentifier + "\\s*\\(");
+
+ 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.tokenize = tokenComment;
+ return state.tokenize(stream, state);
+ }
+ if (stream.eat("/")) {
+ stream.skipToEnd();
+ return "comment";
+ }
+ }
+
+ // go back one character
+ stream.backUp(1);
+
+ // look for ordered rules
+ if (stream.match(/\d+ *#/, true, false)) {
+ return 'qualifier';
+ }
+
+ // look for numbers
+ if (stream.match(reFloatForm, true, false)) {
+ return 'number';
+ }
+
+ // look for placeholders
+ if (stream.match(rePattern, true, false)) {
+ return 'variable-3';
+ }
+
+ // match all braces separately
+ if (stream.match(/(?:\[|\]|{|}|\(|\))/, true, false)) {
+ return 'bracket';
+ }
+
+ // literals looking like function calls
+ if (stream.match(reFunctionLike, true, false)) {
+ stream.backUp(1);
+ return 'variable';
+ }
+
+ // all other identifiers
+ if (stream.match(reIdentifier, true, false)) {
+ return 'variable-2';
+ }
+
+ // 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((next = stream.next()) != null) {
+ if (prev === '*' && next === '/')
+ break;
+ prev = next;
+ }
+ 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: "*/",
+ lineComment: "//"
+ };
+});
+
+CodeMirror.defineMIME('text/x-yacas', {
+ name: 'yacas'
+});
+
+});