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| 1 | +// CodeMirror, copyright (c) by Marijn Haverbeke and others |
| 2 | +// Distributed under an MIT license: https://codemirror.net/LICENSE |
| 3 | + |
| 4 | +// Brainfuck mode created by Michael Kaminsky https://github.com/mkaminsky11 |
| 5 | + |
| 6 | +(function(mod) { |
| 7 | + if (typeof exports == "object" && typeof module == "object") |
| 8 | + mod(require("../../lib/codemirror")) |
| 9 | + else if (typeof define == "function" && define.amd) |
| 10 | + define(["../../lib/codemirror"], mod) |
| 11 | + else |
| 12 | + mod(CodeMirror) |
| 13 | +})(function(CodeMirror) { |
| 14 | + "use strict" |
| 15 | + var reserve = "><+-.,[]".split(""); |
| 16 | + /* |
| 17 | + comments can be either: |
| 18 | + placed behind lines |
| 19 | +
|
| 20 | + +++ this is a comment |
| 21 | +
|
| 22 | + where reserved characters cannot be used |
| 23 | + or in a loop |
| 24 | + [ |
| 25 | + this is ok to use [ ] and stuff |
| 26 | + ] |
| 27 | + or preceded by # |
| 28 | + */ |
| 29 | + CodeMirror.defineMode("brainfuck", function() { |
| 30 | + return { |
| 31 | + startState: function() { |
| 32 | + return { |
| 33 | + commentLine: false, |
| 34 | + left: 0, |
| 35 | + right: 0, |
| 36 | + commentLoop: false |
| 37 | + } |
| 38 | + }, |
| 39 | + token: function(stream, state) { |
| 40 | + if (stream.eatSpace()) return null |
| 41 | + if(stream.sol()){ |
| 42 | + state.commentLine = false; |
| 43 | + } |
| 44 | + var ch = stream.next().toString(); |
| 45 | + if(reserve.indexOf(ch) !== -1){ |
| 46 | + if(state.commentLine === true){ |
| 47 | + if(stream.eol()){ |
| 48 | + state.commentLine = false; |
| 49 | + } |
| 50 | + return "comment"; |
| 51 | + } |
| 52 | + if(ch === "]" || ch === "["){ |
| 53 | + if(ch === "["){ |
| 54 | + state.left++; |
| 55 | + } |
| 56 | + else{ |
| 57 | + state.right++; |
| 58 | + } |
| 59 | + return "bracket"; |
| 60 | + } |
| 61 | + else if(ch === "+" || ch === "-"){ |
| 62 | + return "keyword"; |
| 63 | + } |
| 64 | + else if(ch === "<" || ch === ">"){ |
| 65 | + return "atom"; |
| 66 | + } |
| 67 | + else if(ch === "." || ch === ","){ |
| 68 | + return "def"; |
| 69 | + } |
| 70 | + } |
| 71 | + else{ |
| 72 | + return "comment"; |
| 73 | + } |
| 74 | + } |
| 75 | + }; |
| 76 | + }); |
| 77 | +CodeMirror.defineMIME("text/x-brainfuck","brainfuck") |
| 78 | +}); |
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