GPQAPP

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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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(function(mod) {
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  if (typeof exports == "object" && typeof module == "object") // CommonJS
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  mod(require("../../lib/codemirror"));
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  else if (typeof define == "function" && define.amd) // AMD
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  define(["../../lib/codemirror"], mod);
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  else // Plain browser env
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  mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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CodeMirror.defineMode('z80', function(_config, parserConfig) {
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  var ez80 = parserConfig.ez80;
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  var keywords1, keywords2;
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  if (ez80) {
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    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;
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    keywords2 = /^(((call|j[pr]|rst|ret[in]?)(\.([sl]?i)?[sl])?)|(rs|st)mix)\b/i;
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  } else {
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    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;
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    keywords2 = /^(call|j[pr]|ret[in]?|b_?(call|jump))\b/i;
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  }
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  var variables1 = /^(af?|bc?|c|de?|e|hl?|l|i[xy]?|r|sp)\b/i;
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  var variables2 = /^(n?[zc]|p[oe]?|m)\b/i;
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  var errors = /^([hl][xy]|i[xy][hl]|slia|sll)\b/i;
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  var numbers = /^([\da-f]+h|[0-7]+o|[01]+b|\d+d?)\b/i;
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  return {
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    startState: function() {
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      return {
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        context: 0
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      };
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    },
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    token: function(stream, state) {
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      if (!stream.column())
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        state.context = 0;
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      if (stream.eatSpace())
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        return null;
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      var w;
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      if (stream.eatWhile(/\w/)) {
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        if (ez80 && stream.eat('.')) {
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          stream.eatWhile(/\w/);
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        }
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        w = stream.current();
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        if (stream.indentation()) {
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          if ((state.context == 1 || state.context == 4) && variables1.test(w)) {
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            state.context = 4;
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            return 'var2';
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          }
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          if (state.context == 2 && variables2.test(w)) {
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            state.context = 4;
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            return 'var3';
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          }
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          if (keywords1.test(w)) {
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            state.context = 1;
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            return 'keyword';
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          } else if (keywords2.test(w)) {
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            state.context = 2;
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            return 'keyword';
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          } else if (state.context == 4 && numbers.test(w)) {
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            return 'number';
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          }
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          if (errors.test(w))
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            return 'error';
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        } else if (stream.match(numbers)) {
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          return 'number';
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        } else {
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          return null;
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        }
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      } else if (stream.eat(';')) {
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        stream.skipToEnd();
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        return 'comment';
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      } else if (stream.eat('"')) {
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        while (w = stream.next()) {
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          if (w == '"')
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            break;
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          if (w == '\\')
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            stream.next();
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        }
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        return 'string';
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      } else if (stream.eat('\'')) {
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        if (stream.match(/\\?.'/))
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          return 'number';
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      } else if (stream.eat('.') || stream.sol() && stream.eat('#')) {
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        state.context = 5;
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        if (stream.eatWhile(/\w/))
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          return 'def';
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      } else if (stream.eat('$')) {
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        if (stream.eatWhile(/[\da-f]/i))
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          return 'number';
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      } else if (stream.eat('%')) {
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        if (stream.eatWhile(/[01]/))
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          return 'number';
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      } else {
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        stream.next();
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      }
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      return null;
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    }
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  };
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});
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CodeMirror.defineMIME("text/x-z80", "z80");
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CodeMirror.defineMIME("text/x-ez80", { name: "z80", ez80: true });
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});
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