1// CodeMirror, copyright (c) by Marijn Haverbeke and others
  2// Distributed under an MIT license: https://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
 14CodeMirror.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
113CodeMirror.defineMIME("text/x-z80", "z80");
114CodeMirror.defineMIME("text/x-ez80", { name: "z80", ez80: true });
115
116});