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7 |
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8 | (function(mod) {
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9 | if (typeof exports == "object" && typeof module == "object")
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10 | mod(require("../../lib/codemirror"));
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11 | else if (typeof define == "function" && define.amd)
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12 | define(["../../lib/codemirror"], mod);
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13 | else
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14 | mod(CodeMirror);
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15 | })(function(CodeMirror) {
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16 | "use strict";
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17 |
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18 | CodeMirror.defineMode("lua", function(config, parserConfig) {
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19 | var indentUnit = config.indentUnit;
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20 |
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21 | function prefixRE(words) {
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22 | return new RegExp("^(?:" + words.join("|") + ")", "i");
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23 | }
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24 | function wordRE(words) {
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25 | return new RegExp("^(?:" + words.join("|") + ")$", "i");
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26 | }
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27 | var specials = wordRE(parserConfig.specials || []);
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28 |
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29 |
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30 | var builtins = wordRE([
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31 | "_G","_VERSION","assert","collectgarbage","dofile","error","getfenv","getmetatable","ipairs","load",
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32 | "loadfile","loadstring","module","next","pairs","pcall","print","rawequal","rawget","rawset","require",
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33 | "select","setfenv","setmetatable","tonumber","tostring","type","unpack","xpcall",
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34 |
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35 | "coroutine.create","coroutine.resume","coroutine.running","coroutine.status","coroutine.wrap","coroutine.yield",
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36 |
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37 | "debug.debug","debug.getfenv","debug.gethook","debug.getinfo","debug.getlocal","debug.getmetatable",
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38 | "debug.getregistry","debug.getupvalue","debug.setfenv","debug.sethook","debug.setlocal","debug.setmetatable",
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39 | "debug.setupvalue","debug.traceback",
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40 |
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41 | "close","flush","lines","read","seek","setvbuf","write",
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42 |
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43 | "io.close","io.flush","io.input","io.lines","io.open","io.output","io.popen","io.read","io.stderr","io.stdin",
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44 | "io.stdout","io.tmpfile","io.type","io.write",
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45 |
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46 | "math.abs","math.acos","math.asin","math.atan","math.atan2","math.ceil","math.cos","math.cosh","math.deg",
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47 | "math.exp","math.floor","math.fmod","math.frexp","math.huge","math.ldexp","math.log","math.log10","math.max",
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48 | "math.min","math.modf","math.pi","math.pow","math.rad","math.random","math.randomseed","math.sin","math.sinh",
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49 | "math.sqrt","math.tan","math.tanh",
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50 |
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51 | "os.clock","os.date","os.difftime","os.execute","os.exit","os.getenv","os.remove","os.rename","os.setlocale",
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52 | "os.time","os.tmpname",
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53 |
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54 | "package.cpath","package.loaded","package.loaders","package.loadlib","package.path","package.preload",
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55 | "package.seeall",
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56 |
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57 | "string.byte","string.char","string.dump","string.find","string.format","string.gmatch","string.gsub",
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58 | "string.len","string.lower","string.match","string.rep","string.reverse","string.sub","string.upper",
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59 |
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60 | "table.concat","table.insert","table.maxn","table.remove","table.sort"
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61 | ]);
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62 | var keywords = wordRE(["and","break","elseif","false","nil","not","or","return",
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63 | "true","function", "end", "if", "then", "else", "do",
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64 | "while", "repeat", "until", "for", "in", "local" ]);
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65 |
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66 | var indentTokens = wordRE(["function", "if","repeat","do", "\\(", "{"]);
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67 | var dedentTokens = wordRE(["end", "until", "\\)", "}"]);
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68 | var dedentPartial = prefixRE(["end", "until", "\\)", "}", "else", "elseif"]);
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69 |
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70 | function readBracket(stream) {
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71 | var level = 0;
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72 | while (stream.eat("=")) ++level;
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73 | stream.eat("[");
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74 | return level;
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75 | }
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76 |
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77 | function normal(stream, state) {
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78 | var ch = stream.next();
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79 | if (ch == "-" && stream.eat("-")) {
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80 | if (stream.eat("[") && stream.eat("["))
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81 | return (state.cur = bracketed(readBracket(stream), "comment"))(stream, state);
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82 | stream.skipToEnd();
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83 | return "comment";
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84 | }
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85 | if (ch == "\"" || ch == "'")
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86 | return (state.cur = string(ch))(stream, state);
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87 | if (ch == "[" && /[\[=]/.test(stream.peek()))
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88 | return (state.cur = bracketed(readBracket(stream), "string"))(stream, state);
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89 | if (/\d/.test(ch)) {
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90 | stream.eatWhile(/[\w.%]/);
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91 | return "number";
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92 | }
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93 | if (/[\w_]/.test(ch)) {
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94 | stream.eatWhile(/[\w\\\-_.]/);
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95 | return "variable";
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96 | }
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97 | return null;
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98 | }
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99 |
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100 | function bracketed(level, style) {
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101 | return function(stream, state) {
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102 | var curlev = null, ch;
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103 | while ((ch = stream.next()) != null) {
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104 | if (curlev == null) {if (ch == "]") curlev = 0;}
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105 | else if (ch == "=") ++curlev;
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106 | else if (ch == "]" && curlev == level) { state.cur = normal; break; }
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107 | else curlev = null;
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108 | }
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109 | return style;
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110 | };
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111 | }
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112 |
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113 | function string(quote) {
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114 | return function(stream, state) {
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115 | var escaped = false, ch;
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116 | while ((ch = stream.next()) != null) {
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117 | if (ch == quote && !escaped) break;
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118 | escaped = !escaped && ch == "\\";
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119 | }
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120 | if (!escaped) state.cur = normal;
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121 | return "string";
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122 | };
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123 | }
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124 |
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125 | return {
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126 | startState: function(basecol) {
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127 | return {basecol: basecol || 0, indentDepth: 0, cur: normal};
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128 | },
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129 |
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130 | token: function(stream, state) {
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131 | if (stream.eatSpace()) return null;
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132 | var style = state.cur(stream, state);
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133 | var word = stream.current();
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134 | if (style == "variable") {
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135 | if (keywords.test(word)) style = "keyword";
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136 | else if (builtins.test(word)) style = "builtin";
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137 | else if (specials.test(word)) style = "variable-2";
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138 | }
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139 | if ((style != "comment") && (style != "string")){
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140 | if (indentTokens.test(word)) ++state.indentDepth;
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141 | else if (dedentTokens.test(word)) --state.indentDepth;
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142 | }
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143 | return style;
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144 | },
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145 |
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146 | indent: function(state, textAfter) {
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147 | var closing = dedentPartial.test(textAfter);
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148 | return state.basecol + indentUnit * (state.indentDepth - (closing ? 1 : 0));
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149 | },
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150 |
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151 | lineComment: "--",
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152 | blockCommentStart: "--[[",
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153 | blockCommentEnd: "]]"
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154 | };
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155 | });
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156 |
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157 | CodeMirror.defineMIME("text/x-lua", "lua");
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158 |
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159 | });
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