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1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
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2 // Distributed under an MIT license: https://codemirror.net/5/LICENSE
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3
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4 // Brainfuck mode created by Michael Kaminsky https://github.com/mkaminsky11
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5
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6 (function(mod) {
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7 if (typeof exports == "object" && typeof module == "object")
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8 mod(require("../../lib/codemirror"))
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9 else if (typeof define == "function" && define.amd)
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10 define(["../../lib/codemirror"], mod)
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11 else
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12 mod(CodeMirror)
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13 })(function(CodeMirror) {
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14 "use strict"
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15 var reserve = "><+-.,[]".split("");
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16 /*
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17 comments can be either:
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18 placed behind lines
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19
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20 +++ this is a comment
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21
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22 where reserved characters cannot be used
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23 or in a loop
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24 [
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25 this is ok to use [ ] and stuff
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26 ]
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27 or preceded by #
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28 */
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29 CodeMirror.defineMode("brainfuck", function() {
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30 return {
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31 startState: function() {
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32 return {
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33 commentLine: false,
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34 left: 0,
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35 right: 0,
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36 commentLoop: false
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37 }
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38 },
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39 token: function(stream, state) {
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40 if (stream.eatSpace()) return null
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41 if(stream.sol()){
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42 state.commentLine = false;
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43 }
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44 var ch = stream.next().toString();
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45 if(reserve.indexOf(ch) !== -1){
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46 if(state.commentLine === true){
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47 if(stream.eol()){
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48 state.commentLine = false;
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49 }
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50 return "comment";
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51 }
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52 if(ch === "]" || ch === "["){
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53 if(ch === "["){
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54 state.left++;
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55 }
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56 else{
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57 state.right++;
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58 }
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59 return "bracket";
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60 }
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61 else if(ch === "+" || ch === "-"){
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62 return "keyword";
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63 }
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64 else if(ch === "<" || ch === ">"){
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65 return "atom";
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66 }
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67 else if(ch === "." || ch === ","){
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68 return "def";
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69 }
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70 }
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71 else{
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72 state.commentLine = true;
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73 if(stream.eol()){
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74 state.commentLine = false;
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75 }
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76 return "comment";
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77 }
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78 if(stream.eol()){
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79 state.commentLine = false;
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80 }
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81 }
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82 };
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83 });
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84 CodeMirror.defineMIME("text/x-brainfuck","brainfuck")
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85 });
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