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85 lines
2.1 KiB
85 lines
2.1 KiB
// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: http://codemirror.net/LICENSE
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// Brainfuck mode created by Michael Kaminsky https://github.com/mkaminsky11
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object")
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mod(require("../../lib/codemirror"))
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else if (typeof define == "function" && define.amd)
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define(["../../lib/codemirror"], mod)
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else
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mod(CodeMirror)
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})(function(CodeMirror) {
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"use strict"
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var reserve = "><+-.,[]".split("");
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/*
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comments can be either:
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placed behind lines
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+++ this is a comment
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where reserved characters cannot be used
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or in a loop
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[
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this is ok to use [ ] and stuff
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]
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or preceded by #
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*/
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CodeMirror.defineMode("brainfuck", function() {
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return {
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startState: function() {
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return {
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commentLine: false,
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left: 0,
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right: 0,
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commentLoop: false
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}
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},
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token: function(stream, state) {
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if (stream.eatSpace()) return null
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if(stream.sol()){
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state.commentLine = false;
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}
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var ch = stream.next().toString();
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if(reserve.indexOf(ch) !== -1){
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if(state.commentLine === true){
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if(stream.eol()){
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state.commentLine = false;
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}
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return "comment";
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}
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if(ch === "]" || ch === "["){
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if(ch === "["){
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state.left++;
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}
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else{
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state.right++;
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}
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return "bracket";
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}
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else if(ch === "+" || ch === "-"){
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return "keyword";
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}
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else if(ch === "<" || ch === ">"){
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return "atom";
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}
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else if(ch === "." || ch === ","){
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return "def";
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}
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}
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else{
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state.commentLine = true;
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if(stream.eol()){
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state.commentLine = false;
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}
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return "comment";
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}
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if(stream.eol()){
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state.commentLine = false;
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}
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}
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};
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});
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CodeMirror.defineMIME("text/x-brainfuck","brainfuck")
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});
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