Last commit: Sun Dec 17 01:14:09 2017 +0100	Jan Dankert	Integration eines weiteren Code-Editors: Codemirror. Demnächst müssen wir hier mal aufräumen und andere Editoren rauswerfen.


      // CodeMirror, copyright (c) by Marijn Haverbeke and others
      // Distributed under an MIT license: http://codemirror.net/LICENSE
      
      /*
       *      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.
       */
     (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("pig", function(_config, parserConfig) {
       var 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);
       }
     
       function tokenComment(stream, state) {
         var isEnd = false;
         var ch;
         while(ch = stream.next()) {
           if(ch == "/" && isEnd) {
             state.tokenize = tokenBase;
             break;
           }
           isEnd = (ch == "*");
         }
         return "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 "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 null;
         // is it a number?
         else if(/\d/.test(ch)) {
           stream.eatWhile(/[\w\.]/);
           return "number";
         }
         // multi line comment or operator
         else if (ch == "/") {
           if (stream.eat("*")) {
             return chain(stream, state, tokenComment);
           }
           else {
             stream.eatWhile(isOperatorChar);
             return "operator";
           }
         }
         // single line comment or operator
         else if (ch=="-") {
           if(stream.eat("-")){
             stream.skipToEnd();
             return "comment";
           }
           else {
             stream.eatWhile(isOperatorChar);
             return "operator";
           }
         }
         // is it an operator
         else if (isOperatorChar.test(ch)) {
           stream.eatWhile(isOperatorChar);
          return "operator";
        }
        else {
          // get the while word
          stream.eatWhile(/[\w\$_]/);
          // is it one of the listed keywords?
          if (keywords && keywords.propertyIsEnumerable(stream.current().toUpperCase())) {
            //keywords can be used as variables like flatten(group), group.$0 etc..
            if (!stream.eat(")") && !stream.eat("."))
              return "keyword";
          }
          // is it one of the builtin functions?
          if (builtins && builtins.propertyIsEnumerable(stream.current().toUpperCase()))
            return "variable-2";
          // is it one of the listed types?
          if (types && types.propertyIsEnumerable(stream.current().toUpperCase()))
            return "variable-3";
          // default is a 'variable'
          return "variable";
        }
      }
    
      // Interface
      return {
        startState: function() {
          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 DUMP";
    
      // 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)
      });
    
      CodeMirror.registerHelper("hintWords", "pig", (pBuiltins + pTypes + pKeywords).split(" "));
    }());
    
    });


Download modules/editor/codemirror/mode/pig/pig.js

History
Sun, 17 Dec 2017 01:14:09 +0100	Jan Dankert	Integration eines weiteren Code-Editors: Codemirror. Demnächst müssen wir hier mal aufräumen und andere Editoren rauswerfen.