1 files changed, 140 insertions, 0 deletions

diff --git a/imports/codemirror/mode/lua/lua.js b/imports/codemirror/mode/lua/lua.js
new file mode 100755
index 00000000..60e84a92
--- /dev/null
+++ b/imports/codemirror/mode/lua/lua.js
@@ -0,0 +1,140 @@
+// LUA mode. Ported to CodeMirror 2 from Franciszek Wawrzak's
+// CodeMirror 1 mode.
+// highlights keywords, strings, comments (no leveling supported! ("[==[")), tokens, basic indenting
+ 
+CodeMirror.defineMode("lua", function(config, parserConfig) {
+  var indentUnit = config.indentUnit;
+
+  function prefixRE(words) {
+    return new RegExp("^(?:" + words.join("|") + ")", "i");
+  }
+  function wordRE(words) {
+    return new RegExp("^(?:" + words.join("|") + ")$", "i");
+  }
+  var specials = wordRE(parserConfig.specials || []);
+ 
+  // long list of standard functions from lua manual
+  var builtins = wordRE([
+    "_G","_VERSION","assert","collectgarbage","dofile","error","getfenv","getmetatable","ipairs","load",
+    "loadfile","loadstring","module","next","pairs","pcall","print","rawequal","rawget","rawset","require",
+    "select","setfenv","setmetatable","tonumber","tostring","type","unpack","xpcall",
+
+    "coroutine.create","coroutine.resume","coroutine.running","coroutine.status","coroutine.wrap","coroutine.yield",
+
+    "debug.debug","debug.getfenv","debug.gethook","debug.getinfo","debug.getlocal","debug.getmetatable",
+    "debug.getregistry","debug.getupvalue","debug.setfenv","debug.sethook","debug.setlocal","debug.setmetatable",
+    "debug.setupvalue","debug.traceback",
+
+    "close","flush","lines","read","seek","setvbuf","write",
+
+    "io.close","io.flush","io.input","io.lines","io.open","io.output","io.popen","io.read","io.stderr","io.stdin",
+    "io.stdout","io.tmpfile","io.type","io.write",
+
+    "math.abs","math.acos","math.asin","math.atan","math.atan2","math.ceil","math.cos","math.cosh","math.deg",
+    "math.exp","math.floor","math.fmod","math.frexp","math.huge","math.ldexp","math.log","math.log10","math.max",
+    "math.min","math.modf","math.pi","math.pow","math.rad","math.random","math.randomseed","math.sin","math.sinh",
+    "math.sqrt","math.tan","math.tanh",
+
+    "os.clock","os.date","os.difftime","os.execute","os.exit","os.getenv","os.remove","os.rename","os.setlocale",
+    "os.time","os.tmpname",
+
+    "package.cpath","package.loaded","package.loaders","package.loadlib","package.path","package.preload",
+    "package.seeall",
+
+    "string.byte","string.char","string.dump","string.find","string.format","string.gmatch","string.gsub",
+    "string.len","string.lower","string.match","string.rep","string.reverse","string.sub","string.upper",
+
+    "table.concat","table.insert","table.maxn","table.remove","table.sort"
+  ]);
+  var keywords = wordRE(["and","break","elseif","false","nil","not","or","return",
+                         "true","function", "end", "if", "then", "else", "do", 
+                         "while", "repeat", "until", "for", "in", "local" ]);
+
+  var indentTokens = wordRE(["function", "if","repeat","do", "\\(", "{"]);
+  var dedentTokens = wordRE(["end", "until", "\\)", "}"]);
+  var dedentPartial = prefixRE(["end", "until", "\\)", "}", "else", "elseif"]);
+
+  function readBracket(stream) {
+    var level = 0;
+    while (stream.eat("=")) ++level;
+    stream.eat("[");
+    return level;
+  }
+
+  function normal(stream, state) {
+    var ch = stream.next();
+    if (ch == "-" && stream.eat("-")) {
+      if (stream.eat("["))
+        return (state.cur = bracketed(readBracket(stream), "comment"))(stream, state);
+      stream.skipToEnd();
+      return "comment";
+    } 
+    if (ch == "\"" || ch == "'")
+      return (state.cur = string(ch))(stream, state);
+    if (ch == "[" && /[\[=]/.test(stream.peek()))
+      return (state.cur = bracketed(readBracket(stream), "string"))(stream, state);
+    if (/\d/.test(ch)) {
+      stream.eatWhile(/[\w.%]/);
+      return "number";
+    }
+    if (/[\w_]/.test(ch)) {
+      stream.eatWhile(/[\w\\\-_.]/);
+      return "variable";
+    }
+    return null;
+  }
+
+  function bracketed(level, style) {
+    return function(stream, state) {
+      var curlev = null, ch;
+      while ((ch = stream.next()) != null) {
+        if (curlev == null) {if (ch == "]") curlev = 0;}
+        else if (ch == "=") ++curlev;
+        else if (ch == "]" && curlev == level) { state.cur = normal; break; }
+        else curlev = null;
+      }
+      return style;
+    };
+  }
+
+  function string(quote) {
+    return function(stream, state) {
+      var escaped = false, ch;
+      while ((ch = stream.next()) != null) {
+        if (ch == quote && !escaped) break;
+        escaped = !escaped && ch == "\\";
+      }
+      if (!escaped) state.cur = normal;
+      return "string";
+    };
+  }
+    
+  return {
+    startState: function(basecol) {
+      return {basecol: basecol || 0, indentDepth: 0, cur: normal};
+    },
+
+    token: function(stream, state) {
+      if (stream.eatSpace()) return null;
+      var style = state.cur(stream, state);
+      var word = stream.current();
+      if (style == "variable") {
+        if (keywords.test(word)) style = "keyword";
+        else if (builtins.test(word)) style = "builtin";
+        else if (specials.test(word)) style = "variable-2";
+      }
+      if ((style != "comment") && (style != "string")){
+        if (indentTokens.test(word)) ++state.indentDepth;
+        else if (dedentTokens.test(word)) --state.indentDepth;
+      }
+      return style;
+    },
+
+    indent: function(state, textAfter) {
+      var closing = dedentPartial.test(textAfter);
+      return state.basecol + indentUnit * (state.indentDepth - (closing ? 1 : 0));
+    }
+  };
+});
+
+CodeMirror.defineMIME("text/x-lua", "lua");