Personalblog/wwwroot/editor.md-ext/lib/codemirror/mode/z80/z80.js

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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"));
  else if (typeof define == "function" && define.amd) // AMD
    define(["../../lib/codemirror"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
"use strict";

CodeMirror.defineMode('z80', function() {
  var 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;
  var keywords2 = /^(call|j[pr]|ret[in]?)\b/i;
  var keywords3 = /^b_?(call|jump)\b/i;
  var variables1 = /^(af?|bc?|c|de?|e|hl?|l|i[xy]?|r|sp)\b/i;
  var variables2 = /^(n?[zc]|p[oe]?|m)\b/i;
  var errors = /^([hl][xy]|i[xy][hl]|slia|sll)\b/i;
  var numbers = /^([\da-f]+h|[0-7]+o|[01]+b|\d+)\b/i;

  return {
    startState: function() {
      return {context: 0};
    },
    token: function(stream, state) {
      if (!stream.column())
        state.context = 0;

      if (stream.eatSpace())
        return null;

      var w;

      if (stream.eatWhile(/\w/)) {
        w = stream.current();

        if (stream.indentation()) {
          if (state.context == 1 && variables1.test(w))
            return 'variable-2';

          if (state.context == 2 && variables2.test(w))
            return 'variable-3';

          if (keywords1.test(w)) {
            state.context = 1;
            return 'keyword';
          } else if (keywords2.test(w)) {
            state.context = 2;
            return 'keyword';
          } else if (keywords3.test(w)) {
            state.context = 3;
            return 'keyword';
          }

          if (errors.test(w))
            return 'error';
        } else if (numbers.test(w)) {
          return 'number';