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z80.js (3577B)

      1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
      2 // Distributed under an MIT license: http://codemirror.net/LICENSE
      3 
      4 (function(mod) {
      5   if (typeof exports == "object" && typeof module == "object") // CommonJS
      6   mod(require("../../lib/codemirror"));
      7   else if (typeof define == "function" && define.amd) // AMD
      8   define(["../../lib/codemirror"], mod);
      9   else // Plain browser env
     10   mod(CodeMirror);
     11 })(function(CodeMirror) {
     12 "use strict";
     13 
     14 CodeMirror.defineMode('z80', function(_config, parserConfig) {
     15   var ez80 = parserConfig.ez80;
     16   var keywords1, keywords2;
     17   if (ez80) {
     18     keywords1 = /^(exx?|(ld|cp)([di]r?)?|[lp]ea|pop|push|ad[cd]|cpl|daa|dec|inc|neg|sbc|sub|and|bit|[cs]cf|x?or|res|set|r[lr]c?a?|r[lr]d|s[lr]a|srl|djnz|nop|[de]i|halt|im|in([di]mr?|ir?|irx|2r?)|ot(dmr?|[id]rx|imr?)|out(0?|[di]r?|[di]2r?)|tst(io)?|slp)(\.([sl]?i)?[sl])?\b/i;
     19     keywords2 = /^(((call|j[pr]|rst|ret[in]?)(\.([sl]?i)?[sl])?)|(rs|st)mix)\b/i;
     20   } else {
     21     keywords1 = /^(exx?|(ld|cp|in)([di]r?)?|pop|push|ad[cd]|cpl|daa|dec|inc|neg|sbc|sub|and|bit|[cs]cf|x?or|res|set|r[lr]c?a?|r[lr]d|s[lr]a|srl|djnz|nop|rst|[de]i|halt|im|ot[di]r|out[di]?)\b/i;
     22     keywords2 = /^(call|j[pr]|ret[in]?|b_?(call|jump))\b/i;
     23   }
     24 
     25   var variables1 = /^(af?|bc?|c|de?|e|hl?|l|i[xy]?|r|sp)\b/i;
     26   var variables2 = /^(n?[zc]|p[oe]?|m)\b/i;
     27   var errors = /^([hl][xy]|i[xy][hl]|slia|sll)\b/i;
     28   var numbers = /^([\da-f]+h|[0-7]+o|[01]+b|\d+d?)\b/i;
     29 
     30   return {
     31     startState: function() {
     32       return {
     33         context: 0
     34       };
     35     },
     36     token: function(stream, state) {
     37       if (!stream.column())
     38         state.context = 0;
     39 
     40       if (stream.eatSpace())
     41         return null;
     42 
     43       var w;
     44 
     45       if (stream.eatWhile(/\w/)) {
     46         if (ez80 && stream.eat('.')) {
     47           stream.eatWhile(/\w/);
     48         }
     49         w = stream.current();
     50 
     51         if (stream.indentation()) {
     52           if ((state.context == 1 || state.context == 4) && variables1.test(w)) {
     53             state.context = 4;
     54             return 'var2';
     55           }
     56 
     57           if (state.context == 2 && variables2.test(w)) {
     58             state.context = 4;
     59             return 'var3';
     60           }
     61 
     62           if (keywords1.test(w)) {
     63             state.context = 1;
     64             return 'keyword';
     65           } else if (keywords2.test(w)) {
     66             state.context = 2;
     67             return 'keyword';
     68           } else if (state.context == 4 && numbers.test(w)) {
     69             return 'number';
     70           }
     71 
     72           if (errors.test(w))
     73             return 'error';
     74         } else if (stream.match(numbers)) {
     75           return 'number';
     76         } else {
     77           return null;
     78         }
     79       } else if (stream.eat(';')) {
     80         stream.skipToEnd();
     81         return 'comment';
     82       } else if (stream.eat('"')) {
     83         while (w = stream.next()) {
     84           if (w == '"')
     85             break;
     86 
     87           if (w == '\\')
     88             stream.next();
     89         }
     90         return 'string';
     91       } else if (stream.eat('\'')) {
     92         if (stream.match(/\\?.'/))
     93           return 'number';
     94       } else if (stream.eat('.') || stream.sol() && stream.eat('#')) {
     95         state.context = 5;
     96 
     97         if (stream.eatWhile(/\w/))
     98           return 'def';
     99       } else if (stream.eat('$')) {
    100         if (stream.eatWhile(/[\da-f]/i))
    101           return 'number';
    102       } else if (stream.eat('%')) {
    103         if (stream.eatWhile(/[01]/))
    104           return 'number';
    105       } else {
    106         stream.next();
    107       }
    108       return null;
    109     }
    110   };
    111 });
    112 
    113 CodeMirror.defineMIME("text/x-z80", "z80");
    114 CodeMirror.defineMIME("text/x-ez80", { name: "z80", ez80: true });
    115 
    116 });