1 files changed, 172 insertions, 0 deletions
diff --git a/codemirror_ui/lib/CodeMirror-2.3/mode/pig/pig.js b/codemirror_ui/lib/CodeMirror-2.3/mode/pig/pig.js
new file mode 100644
index 0000000..b7399b4
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+++ b/codemirror_ui/lib/CodeMirror-2.3/mode/pig/pig.js
@@ -0,0 +1,172 @@
+/*
+ *	Pig Latin Mode for CodeMirror 2 
+ *	@author Prasanth Jayachandran
+ *	@link 	https://github.com/prasanthj/pig-codemirror-2
+ *  This implementation is adapted from PL/SQL mode in CodeMirror 2.
+*/
+CodeMirror.defineMode("pig", function(config, parserConfig) {
+	var indentUnit = config.indentUnit,
+		keywords = parserConfig.keywords,
+		builtins = parserConfig.builtins,
+		types = parserConfig.types,
+		multiLineStrings = parserConfig.multiLineStrings;
+	
+	var isOperatorChar = /[*+\-%<>=&?:\/!|]/;
+	
+	function chain(stream, state, f) {
+		state.tokenize = f;
+		return f(stream, state);
+	}
+	
+	var type;
+	function ret(tp, style) {
+		type = tp;
+		return style;
+	}
+	
+	function tokenComment(stream, state) {
+		var isEnd = false;
+		var ch;
+		while(ch = stream.next()) {
+			if(ch == "/" && isEnd) {
+				state.tokenize = tokenBase;
+				break;
+			}
+			isEnd = (ch == "*");
+		}
+		return ret("comment", "comment");
+	}
+	
+	function tokenString(quote) {
+		return function(stream, state) {
+			var escaped = false, next, end = false;
+			while((next = stream.next()) != null) {
+				if (next == quote && !escaped) {
+					end = true; break;
+				}
+				escaped = !escaped && next == "\\";
+			}
+			if (end || !(escaped || multiLineStrings))
+				state.tokenize = tokenBase;
+			return ret("string", "error");
+		};
+	}
+	
+	function tokenBase(stream, state) {
+		var ch = stream.next();
+		
+		// is a start of string?
+		if (ch == '"' || ch == "'")
+			return chain(stream, state, tokenString(ch));
+		// is it one of the special chars
+		else if(/[\[\]{}\(\),;\.]/.test(ch))
+			return ret(ch);
+		// is it a number?
+		else if(/\d/.test(ch)) {
+			stream.eatWhile(/[\w\.]/);
+			return ret("number", "number");
+		}
+		// multi line comment or operator
+		else if (ch == "/") {
+			if (stream.eat("*")) {
+				return chain(stream, state, tokenComment);
+			}
+			else {
+				stream.eatWhile(isOperatorChar);
+				return ret("operator", "operator");
+			}
+		}
+		// single line comment or operator
+		else if (ch=="-") {
+			if(stream.eat("-")){
+				stream.skipToEnd();
+				return ret("comment", "comment");
+			}
+			else {
+				stream.eatWhile(isOperatorChar);
+				return ret("operator", "operator");
+			}
+		}
+		// is it an operator
+		else if (isOperatorChar.test(ch)) {
+			stream.eatWhile(isOperatorChar);
+			return ret("operator", "operator");
+		}
+		else {
+			// get the while word
+			stream.eatWhile(/[\w\$_]/);
+			// is it one of the listed keywords?
+			if (keywords && keywords.propertyIsEnumerable(stream.current().toUpperCase())) {
+				if (stream.eat(")") || stream.eat(".")) {
+					//keywords can be used as variables like flatten(group), group.$0 etc..
+				}
+				else {
+					return ("keyword", "keyword");
+				}
+			}
+			// is it one of the builtin functions?
+			if (builtins && builtins.propertyIsEnumerable(stream.current().toUpperCase()))
+			{
+				return ("keyword", "variable-2")
+			}
+			// is it one of the listed types?
+			if (types && types.propertyIsEnumerable(stream.current().toUpperCase()))
+				return ("keyword", "variable-3")
+			// default is a 'word'
+			return ret("word", "pig-word");
+		}
+	}
+	
+	// Interface
+	return {
+		startState: function(basecolumn) {
+			return {
+				tokenize: tokenBase,
+				startOfLine: true
+			};
+		},
+		
+		token: function(stream, state) {
+			if(stream.eatSpace()) return null;
+			var style = state.tokenize(stream, state);
+			return style;
+		}
+	};
+});
+
+(function() {
+	function keywords(str) {
+		var obj = {}, words = str.split(" ");
+		for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
+ 		return obj;
+ 	}
+
+	// builtin funcs taken from trunk revision 1303237
+	var pBuiltins = "ABS ACOS ARITY ASIN ATAN AVG BAGSIZE BINSTORAGE BLOOM BUILDBLOOM CBRT CEIL " 
+	+ "CONCAT COR COS COSH COUNT COUNT_STAR COV CONSTANTSIZE CUBEDIMENSIONS DIFF DISTINCT DOUBLEABS "
+	+ "DOUBLEAVG DOUBLEBASE DOUBLEMAX DOUBLEMIN DOUBLEROUND DOUBLESUM EXP FLOOR FLOATABS FLOATAVG "
+	+ "FLOATMAX FLOATMIN FLOATROUND FLOATSUM GENERICINVOKER INDEXOF INTABS INTAVG INTMAX INTMIN "
+	+ "INTSUM INVOKEFORDOUBLE INVOKEFORFLOAT INVOKEFORINT INVOKEFORLONG INVOKEFORSTRING INVOKER "
+	+ "ISEMPTY JSONLOADER JSONMETADATA JSONSTORAGE LAST_INDEX_OF LCFIRST LOG LOG10 LOWER LONGABS "
+	+ "LONGAVG LONGMAX LONGMIN LONGSUM MAX MIN MAPSIZE MONITOREDUDF NONDETERMINISTIC OUTPUTSCHEMA  "
+	+ "PIGSTORAGE PIGSTREAMING RANDOM REGEX_EXTRACT REGEX_EXTRACT_ALL REPLACE ROUND SIN SINH SIZE "
+	+ "SQRT STRSPLIT SUBSTRING SUM STRINGCONCAT STRINGMAX STRINGMIN STRINGSIZE TAN TANH TOBAG "
+	+ "TOKENIZE TOMAP TOP TOTUPLE TRIM TEXTLOADER TUPLESIZE UCFIRST UPPER UTF8STORAGECONVERTER "; 
+	
+	// taken from QueryLexer.g
+	var pKeywords = "VOID IMPORT RETURNS DEFINE LOAD FILTER FOREACH ORDER CUBE DISTINCT COGROUP "
+	+ "JOIN CROSS UNION SPLIT INTO IF OTHERWISE ALL AS BY USING INNER OUTER ONSCHEMA PARALLEL "
+	+ "PARTITION GROUP AND OR NOT GENERATE FLATTEN ASC DESC IS STREAM THROUGH STORE MAPREDUCE "
+	+ "SHIP CACHE INPUT OUTPUT STDERROR STDIN STDOUT LIMIT SAMPLE LEFT RIGHT FULL EQ GT LT GTE LTE " 
+	+ "NEQ MATCHES TRUE FALSE "; 
+	
+	// data types
+	var pTypes = "BOOLEAN INT LONG FLOAT DOUBLE CHARARRAY BYTEARRAY BAG TUPLE MAP "
+	
+	CodeMirror.defineMIME("text/x-pig", {
+	 name: "pig",
+	 builtins: keywords(pBuiltins),
+	 keywords: keywords(pKeywords),
+	 types: keywords(pTypes)
+	 });
+}());