// 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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(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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