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
      
      /**
       * Author: Gautam Mehta
       * Branched from CodeMirror's Scheme mode
       */
      (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("cobol", function () {
       var BUILTIN = "builtin", COMMENT = "comment", STRING = "string",
           ATOM = "atom", NUMBER = "number", KEYWORD = "keyword", MODTAG = "header",
           COBOLLINENUM = "def", PERIOD = "link";
       function makeKeywords(str) {
         var obj = {}, words = str.split(" ");
         for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
         return obj;
       }
       var atoms = makeKeywords("TRUE FALSE ZEROES ZEROS ZERO SPACES SPACE LOW-VALUE LOW-VALUES ");
       var keywords = makeKeywords(
           "ACCEPT ACCESS ACQUIRE ADD ADDRESS " +
           "ADVANCING AFTER ALIAS ALL ALPHABET " +
           "ALPHABETIC ALPHABETIC-LOWER ALPHABETIC-UPPER ALPHANUMERIC ALPHANUMERIC-EDITED " +
           "ALSO ALTER ALTERNATE AND ANY " +
           "ARE AREA AREAS ARITHMETIC ASCENDING " +
           "ASSIGN AT ATTRIBUTE AUTHOR AUTO " +
           "AUTO-SKIP AUTOMATIC B-AND B-EXOR B-LESS " +
           "B-NOT B-OR BACKGROUND-COLOR BACKGROUND-COLOUR BEEP " +
           "BEFORE BELL BINARY BIT BITS " +
           "BLANK BLINK BLOCK BOOLEAN BOTTOM " +
           "BY CALL CANCEL CD CF " +
           "CH CHARACTER CHARACTERS CLASS CLOCK-UNITS " +
           "CLOSE COBOL CODE CODE-SET COL " +
           "COLLATING COLUMN COMMA COMMIT COMMITMENT " +
           "COMMON COMMUNICATION COMP COMP-0 COMP-1 " +
           "COMP-2 COMP-3 COMP-4 COMP-5 COMP-6 " +
           "COMP-7 COMP-8 COMP-9 COMPUTATIONAL COMPUTATIONAL-0 " +
           "COMPUTATIONAL-1 COMPUTATIONAL-2 COMPUTATIONAL-3 COMPUTATIONAL-4 COMPUTATIONAL-5 " +
           "COMPUTATIONAL-6 COMPUTATIONAL-7 COMPUTATIONAL-8 COMPUTATIONAL-9 COMPUTE " +
           "CONFIGURATION CONNECT CONSOLE CONTAINED CONTAINS " +
           "CONTENT CONTINUE CONTROL CONTROL-AREA CONTROLS " +
           "CONVERTING COPY CORR CORRESPONDING COUNT " +
           "CRT CRT-UNDER CURRENCY CURRENT CURSOR " +
           "DATA DATE DATE-COMPILED DATE-WRITTEN DAY " +
           "DAY-OF-WEEK DB DB-ACCESS-CONTROL-KEY DB-DATA-NAME DB-EXCEPTION " +
           "DB-FORMAT-NAME DB-RECORD-NAME DB-SET-NAME DB-STATUS DBCS " +
           "DBCS-EDITED DE DEBUG-CONTENTS DEBUG-ITEM DEBUG-LINE " +
           "DEBUG-NAME DEBUG-SUB-1 DEBUG-SUB-2 DEBUG-SUB-3 DEBUGGING " +
           "DECIMAL-POINT DECLARATIVES DEFAULT DELETE DELIMITED " +
           "DELIMITER DEPENDING DESCENDING DESCRIBED DESTINATION " +
           "DETAIL DISABLE DISCONNECT DISPLAY DISPLAY-1 " +
           "DISPLAY-2 DISPLAY-3 DISPLAY-4 DISPLAY-5 DISPLAY-6 " +
           "DISPLAY-7 DISPLAY-8 DISPLAY-9 DIVIDE DIVISION " +
           "DOWN DROP DUPLICATE DUPLICATES DYNAMIC " +
           "EBCDIC EGI EJECT ELSE EMI " +
           "EMPTY EMPTY-CHECK ENABLE END END. END-ACCEPT END-ACCEPT. " +
           "END-ADD END-CALL END-COMPUTE END-DELETE END-DISPLAY " +
           "END-DIVIDE END-EVALUATE END-IF END-INVOKE END-MULTIPLY " +
           "END-OF-PAGE END-PERFORM END-READ END-RECEIVE END-RETURN " +
           "END-REWRITE END-SEARCH END-START END-STRING END-SUBTRACT " +
           "END-UNSTRING END-WRITE END-XML ENTER ENTRY " +
           "ENVIRONMENT EOP EQUAL EQUALS ERASE " +
           "ERROR ESI EVALUATE EVERY EXCEEDS " +
           "EXCEPTION EXCLUSIVE EXIT EXTEND EXTERNAL " +
           "EXTERNALLY-DESCRIBED-KEY FD FETCH FILE FILE-CONTROL " +
           "FILE-STREAM FILES FILLER FINAL FIND " +
           "FINISH FIRST FOOTING FOR FOREGROUND-COLOR " +
           "FOREGROUND-COLOUR FORMAT FREE FROM FULL " +
           "FUNCTION GENERATE GET GIVING GLOBAL " +
           "GO GOBACK GREATER GROUP HEADING " +
           "HIGH-VALUE HIGH-VALUES HIGHLIGHT I-O I-O-CONTROL " +
           "ID IDENTIFICATION IF IN INDEX " +
           "INDEX-1 INDEX-2 INDEX-3 INDEX-4 INDEX-5 " +
           "INDEX-6 INDEX-7 INDEX-8 INDEX-9 INDEXED " +
           "INDIC INDICATE INDICATOR INDICATORS INITIAL " +
           "INITIALIZE INITIATE INPUT INPUT-OUTPUT INSPECT " +
           "INSTALLATION INTO INVALID INVOKE IS " +
           "JUST JUSTIFIED KANJI KEEP KEY " +
           "LABEL LAST LD LEADING LEFT " +
           "LEFT-JUSTIFY LENGTH LENGTH-CHECK LESS LIBRARY " +
           "LIKE LIMIT LIMITS LINAGE LINAGE-COUNTER " +
           "LINE LINE-COUNTER LINES LINKAGE LOCAL-STORAGE " +
           "LOCALE LOCALLY LOCK " +
           "MEMBER MEMORY MERGE MESSAGE METACLASS " +
           "MODE MODIFIED MODIFY MODULES MOVE " +
           "MULTIPLE MULTIPLY NATIONAL NATIVE NEGATIVE " +
           "NEXT NO NO-ECHO NONE NOT " +
           "NULL NULL-KEY-MAP NULL-MAP NULLS NUMBER " +
           "NUMERIC NUMERIC-EDITED OBJECT OBJECT-COMPUTER OCCURS " +
           "OF OFF OMITTED ON ONLY " +
           "OPEN OPTIONAL OR ORDER ORGANIZATION " +
          "OTHER OUTPUT OVERFLOW OWNER PACKED-DECIMAL " +
          "PADDING PAGE PAGE-COUNTER PARSE PERFORM " +
          "PF PH PIC PICTURE PLUS " +
          "POINTER POSITION POSITIVE PREFIX PRESENT " +
          "PRINTING PRIOR PROCEDURE PROCEDURE-POINTER PROCEDURES " +
          "PROCEED PROCESS PROCESSING PROGRAM PROGRAM-ID " +
          "PROMPT PROTECTED PURGE QUEUE QUOTE " +
          "QUOTES RANDOM RD READ READY " +
          "REALM RECEIVE RECONNECT RECORD RECORD-NAME " +
          "RECORDS RECURSIVE REDEFINES REEL REFERENCE " +
          "REFERENCE-MONITOR REFERENCES RELATION RELATIVE RELEASE " +
          "REMAINDER REMOVAL RENAMES REPEATED REPLACE " +
          "REPLACING REPORT REPORTING REPORTS REPOSITORY " +
          "REQUIRED RERUN RESERVE RESET RETAINING " +
          "RETRIEVAL RETURN RETURN-CODE RETURNING REVERSE-VIDEO " +
          "REVERSED REWIND REWRITE RF RH " +
          "RIGHT RIGHT-JUSTIFY ROLLBACK ROLLING ROUNDED " +
          "RUN SAME SCREEN SD SEARCH " +
          "SECTION SECURE SECURITY SEGMENT SEGMENT-LIMIT " +
          "SELECT SEND SENTENCE SEPARATE SEQUENCE " +
          "SEQUENTIAL SET SHARED SIGN SIZE " +
          "SKIP1 SKIP2 SKIP3 SORT SORT-MERGE " +
          "SORT-RETURN SOURCE SOURCE-COMPUTER SPACE-FILL " +
          "SPECIAL-NAMES STANDARD STANDARD-1 STANDARD-2 " +
          "START STARTING STATUS STOP STORE " +
          "STRING SUB-QUEUE-1 SUB-QUEUE-2 SUB-QUEUE-3 SUB-SCHEMA " +
          "SUBFILE SUBSTITUTE SUBTRACT SUM SUPPRESS " +
          "SYMBOLIC SYNC SYNCHRONIZED SYSIN SYSOUT " +
          "TABLE TALLYING TAPE TENANT TERMINAL " +
          "TERMINATE TEST TEXT THAN THEN " +
          "THROUGH THRU TIME TIMES TITLE " +
          "TO TOP TRAILING TRAILING-SIGN TRANSACTION " +
          "TYPE TYPEDEF UNDERLINE UNEQUAL UNIT " +
          "UNSTRING UNTIL UP UPDATE UPON " +
          "USAGE USAGE-MODE USE USING VALID " +
          "VALIDATE VALUE VALUES VARYING VLR " +
          "WAIT WHEN WHEN-COMPILED WITH WITHIN " +
          "WORDS WORKING-STORAGE WRITE XML XML-CODE " +
          "XML-EVENT XML-NTEXT XML-TEXT ZERO ZERO-FILL " );
    
      var builtins = makeKeywords("- * ** / + < <= = > >= ");
      var tests = {
        digit: /\d/,
        digit_or_colon: /[\d:]/,
        hex: /[0-9a-f]/i,
        sign: /[+-]/,
        exponent: /e/i,
        keyword_char: /[^\s\(\[\;\)\]]/,
        symbol: /[\w*+\-]/
      };
      function isNumber(ch, stream){
        // hex
        if ( ch === '0' && stream.eat(/x/i) ) {
          stream.eatWhile(tests.hex);
          return true;
        }
        // leading sign
        if ( ( ch == '+' || ch == '-' ) && ( tests.digit.test(stream.peek()) ) ) {
          stream.eat(tests.sign);
          ch = stream.next();
        }
        if ( tests.digit.test(ch) ) {
          stream.eat(ch);
          stream.eatWhile(tests.digit);
          if ( '.' == stream.peek()) {
            stream.eat('.');
            stream.eatWhile(tests.digit);
          }
          if ( stream.eat(tests.exponent) ) {
            stream.eat(tests.sign);
            stream.eatWhile(tests.digit);
          }
          return true;
        }
        return false;
      }
      return {
        startState: function () {
          return {
            indentStack: null,
            indentation: 0,
            mode: false
          };
        },
        token: function (stream, state) {
          if (state.indentStack == null && stream.sol()) {
            // update indentation, but only if indentStack is empty
            state.indentation = 6 ; //stream.indentation();
          }
          // skip spaces
          if (stream.eatSpace()) {
            return null;
          }
          var returnType = null;
          switch(state.mode){
          case "string": // multi-line string parsing mode
            var next = false;
            while ((next = stream.next()) != null) {
              if (next == "\"" || next == "\'") {
                state.mode = false;
                break;
              }
            }
            returnType = STRING; // continue on in string mode
            break;
          default: // default parsing mode
            var ch = stream.next();
            var col = stream.column();
            if (col >= 0 && col <= 5) {
              returnType = COBOLLINENUM;
            } else if (col >= 72 && col <= 79) {
              stream.skipToEnd();
              returnType = MODTAG;
            } else if (ch == "*" && col == 6) { // comment
              stream.skipToEnd(); // rest of the line is a comment
              returnType = COMMENT;
            } else if (ch == "\"" || ch == "\'") {
              state.mode = "string";
              returnType = STRING;
            } else if (ch == "'" && !( tests.digit_or_colon.test(stream.peek()) )) {
              returnType = ATOM;
            } else if (ch == ".") {
              returnType = PERIOD;
            } else if (isNumber(ch,stream)){
              returnType = NUMBER;
            } else {
              if (stream.current().match(tests.symbol)) {
                while (col < 71) {
                  if (stream.eat(tests.symbol) === undefined) {
                    break;
                  } else {
                    col++;
                  }
                }
              }
              if (keywords && keywords.propertyIsEnumerable(stream.current().toUpperCase())) {
                returnType = KEYWORD;
              } else if (builtins && builtins.propertyIsEnumerable(stream.current().toUpperCase())) {
                returnType = BUILTIN;
              } else if (atoms && atoms.propertyIsEnumerable(stream.current().toUpperCase())) {
                returnType = ATOM;
              } else returnType = null;
            }
          }
          return returnType;
        },
        indent: function (state) {
          if (state.indentStack == null) return state.indentation;
          return state.indentStack.indent;
        }
      };
    });
    
    CodeMirror.defineMIME("text/x-cobol", "cobol");
    
    });


Download modules/editor/codemirror/mode/cobol/cobol.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.