github.com/elliott5/community@v0.14.1-0.20160709191136-823126fb026a/app/public/codemirror/mode/cobol/cobol.js (about)

     1  // CodeMirror, copyright (c) by Marijn Haverbeke and others
     2  // Distributed under an MIT license: http://codemirror.net/LICENSE
     3  
     4  /**
     5   * Author: Gautam Mehta
     6   * Branched from CodeMirror's Scheme mode
     7   */
     8  (function(mod) {
     9    if (typeof exports == "object" && typeof module == "object") // CommonJS
    10      mod(require("../../lib/codemirror"));
    11    else if (typeof define == "function" && define.amd) // AMD
    12      define(["../../lib/codemirror"], mod);
    13    else // Plain browser env
    14      mod(CodeMirror);
    15  })(function(CodeMirror) {
    16  "use strict";
    17  
    18  CodeMirror.defineMode("cobol", function () {
    19    var BUILTIN = "builtin", COMMENT = "comment", STRING = "string",
    20        ATOM = "atom", NUMBER = "number", KEYWORD = "keyword", MODTAG = "header",
    21        COBOLLINENUM = "def", PERIOD = "link";
    22    function makeKeywords(str) {
    23      var obj = {}, words = str.split(" ");
    24      for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
    25      return obj;
    26    }
    27    var atoms = makeKeywords("TRUE FALSE ZEROES ZEROS ZERO SPACES SPACE LOW-VALUE LOW-VALUES ");
    28    var keywords = makeKeywords(
    29        "ACCEPT ACCESS ACQUIRE ADD ADDRESS " +
    30        "ADVANCING AFTER ALIAS ALL ALPHABET " +
    31        "ALPHABETIC ALPHABETIC-LOWER ALPHABETIC-UPPER ALPHANUMERIC ALPHANUMERIC-EDITED " +
    32        "ALSO ALTER ALTERNATE AND ANY " +
    33        "ARE AREA AREAS ARITHMETIC ASCENDING " +
    34        "ASSIGN AT ATTRIBUTE AUTHOR AUTO " +
    35        "AUTO-SKIP AUTOMATIC B-AND B-EXOR B-LESS " +
    36        "B-NOT B-OR BACKGROUND-COLOR BACKGROUND-COLOUR BEEP " +
    37        "BEFORE BELL BINARY BIT BITS " +
    38        "BLANK BLINK BLOCK BOOLEAN BOTTOM " +
    39        "BY CALL CANCEL CD CF " +
    40        "CH CHARACTER CHARACTERS CLASS CLOCK-UNITS " +
    41        "CLOSE COBOL CODE CODE-SET COL " +
    42        "COLLATING COLUMN COMMA COMMIT COMMITMENT " +
    43        "COMMON COMMUNICATION COMP COMP-0 COMP-1 " +
    44        "COMP-2 COMP-3 COMP-4 COMP-5 COMP-6 " +
    45        "COMP-7 COMP-8 COMP-9 COMPUTATIONAL COMPUTATIONAL-0 " +
    46        "COMPUTATIONAL-1 COMPUTATIONAL-2 COMPUTATIONAL-3 COMPUTATIONAL-4 COMPUTATIONAL-5 " +
    47        "COMPUTATIONAL-6 COMPUTATIONAL-7 COMPUTATIONAL-8 COMPUTATIONAL-9 COMPUTE " +
    48        "CONFIGURATION CONNECT CONSOLE CONTAINED CONTAINS " +
    49        "CONTENT CONTINUE CONTROL CONTROL-AREA CONTROLS " +
    50        "CONVERTING COPY CORR CORRESPONDING COUNT " +
    51        "CRT CRT-UNDER CURRENCY CURRENT CURSOR " +
    52        "DATA DATE DATE-COMPILED DATE-WRITTEN DAY " +
    53        "DAY-OF-WEEK DB DB-ACCESS-CONTROL-KEY DB-DATA-NAME DB-EXCEPTION " +
    54        "DB-FORMAT-NAME DB-RECORD-NAME DB-SET-NAME DB-STATUS DBCS " +
    55        "DBCS-EDITED DE DEBUG-CONTENTS DEBUG-ITEM DEBUG-LINE " +
    56        "DEBUG-NAME DEBUG-SUB-1 DEBUG-SUB-2 DEBUG-SUB-3 DEBUGGING " +
    57        "DECIMAL-POINT DECLARATIVES DEFAULT DELETE DELIMITED " +
    58        "DELIMITER DEPENDING DESCENDING DESCRIBED DESTINATION " +
    59        "DETAIL DISABLE DISCONNECT DISPLAY DISPLAY-1 " +
    60        "DISPLAY-2 DISPLAY-3 DISPLAY-4 DISPLAY-5 DISPLAY-6 " +
    61        "DISPLAY-7 DISPLAY-8 DISPLAY-9 DIVIDE DIVISION " +
    62        "DOWN DROP DUPLICATE DUPLICATES DYNAMIC " +
    63        "EBCDIC EGI EJECT ELSE EMI " +
    64        "EMPTY EMPTY-CHECK ENABLE END END. END-ACCEPT END-ACCEPT. " +
    65        "END-ADD END-CALL END-COMPUTE END-DELETE END-DISPLAY " +
    66        "END-DIVIDE END-EVALUATE END-IF END-INVOKE END-MULTIPLY " +
    67        "END-OF-PAGE END-PERFORM END-READ END-RECEIVE END-RETURN " +
    68        "END-REWRITE END-SEARCH END-START END-STRING END-SUBTRACT " +
    69        "END-UNSTRING END-WRITE END-XML ENTER ENTRY " +
    70        "ENVIRONMENT EOP EQUAL EQUALS ERASE " +
    71        "ERROR ESI EVALUATE EVERY EXCEEDS " +
    72        "EXCEPTION EXCLUSIVE EXIT EXTEND EXTERNAL " +
    73        "EXTERNALLY-DESCRIBED-KEY FD FETCH FILE FILE-CONTROL " +
    74        "FILE-STREAM FILES FILLER FINAL FIND " +
    75        "FINISH FIRST FOOTING FOR FOREGROUND-COLOR " +
    76        "FOREGROUND-COLOUR FORMAT FREE FROM FULL " +
    77        "FUNCTION GENERATE GET GIVING GLOBAL " +
    78        "GO GOBACK GREATER GROUP HEADING " +
    79        "HIGH-VALUE HIGH-VALUES HIGHLIGHT I-O I-O-CONTROL " +
    80        "ID IDENTIFICATION IF IN INDEX " +
    81        "INDEX-1 INDEX-2 INDEX-3 INDEX-4 INDEX-5 " +
    82        "INDEX-6 INDEX-7 INDEX-8 INDEX-9 INDEXED " +
    83        "INDIC INDICATE INDICATOR INDICATORS INITIAL " +
    84        "INITIALIZE INITIATE INPUT INPUT-OUTPUT INSPECT " +
    85        "INSTALLATION INTO INVALID INVOKE IS " +
    86        "JUST JUSTIFIED KANJI KEEP KEY " +
    87        "LABEL LAST LD LEADING LEFT " +
    88        "LEFT-JUSTIFY LENGTH LENGTH-CHECK LESS LIBRARY " +
    89        "LIKE LIMIT LIMITS LINAGE LINAGE-COUNTER " +
    90        "LINE LINE-COUNTER LINES LINKAGE LOCAL-STORAGE " +
    91        "LOCALE LOCALLY LOCK " +
    92        "MEMBER MEMORY MERGE MESSAGE METACLASS " +
    93        "MODE MODIFIED MODIFY MODULES MOVE " +
    94        "MULTIPLE MULTIPLY NATIONAL NATIVE NEGATIVE " +
    95        "NEXT NO NO-ECHO NONE NOT " +
    96        "NULL NULL-KEY-MAP NULL-MAP NULLS NUMBER " +
    97        "NUMERIC NUMERIC-EDITED OBJECT OBJECT-COMPUTER OCCURS " +
    98        "OF OFF OMITTED ON ONLY " +
    99        "OPEN OPTIONAL OR ORDER ORGANIZATION " +
   100        "OTHER OUTPUT OVERFLOW OWNER PACKED-DECIMAL " +
   101        "PADDING PAGE PAGE-COUNTER PARSE PERFORM " +
   102        "PF PH PIC PICTURE PLUS " +
   103        "POINTER POSITION POSITIVE PREFIX PRESENT " +
   104        "PRINTING PRIOR PROCEDURE PROCEDURE-POINTER PROCEDURES " +
   105        "PROCEED PROCESS PROCESSING PROGRAM PROGRAM-ID " +
   106        "PROMPT PROTECTED PURGE QUEUE QUOTE " +
   107        "QUOTES RANDOM RD READ READY " +
   108        "REALM RECEIVE RECONNECT RECORD RECORD-NAME " +
   109        "RECORDS RECURSIVE REDEFINES REEL REFERENCE " +
   110        "REFERENCE-MONITOR REFERENCES RELATION RELATIVE RELEASE " +
   111        "REMAINDER REMOVAL RENAMES REPEATED REPLACE " +
   112        "REPLACING REPORT REPORTING REPORTS REPOSITORY " +
   113        "REQUIRED RERUN RESERVE RESET RETAINING " +
   114        "RETRIEVAL RETURN RETURN-CODE RETURNING REVERSE-VIDEO " +
   115        "REVERSED REWIND REWRITE RF RH " +
   116        "RIGHT RIGHT-JUSTIFY ROLLBACK ROLLING ROUNDED " +
   117        "RUN SAME SCREEN SD SEARCH " +
   118        "SECTION SECURE SECURITY SEGMENT SEGMENT-LIMIT " +
   119        "SELECT SEND SENTENCE SEPARATE SEQUENCE " +
   120        "SEQUENTIAL SET SHARED SIGN SIZE " +
   121        "SKIP1 SKIP2 SKIP3 SORT SORT-MERGE " +
   122        "SORT-RETURN SOURCE SOURCE-COMPUTER SPACE-FILL " +
   123        "SPECIAL-NAMES STANDARD STANDARD-1 STANDARD-2 " +
   124        "START STARTING STATUS STOP STORE " +
   125        "STRING SUB-QUEUE-1 SUB-QUEUE-2 SUB-QUEUE-3 SUB-SCHEMA " +
   126        "SUBFILE SUBSTITUTE SUBTRACT SUM SUPPRESS " +
   127        "SYMBOLIC SYNC SYNCHRONIZED SYSIN SYSOUT " +
   128        "TABLE TALLYING TAPE TENANT TERMINAL " +
   129        "TERMINATE TEST TEXT THAN THEN " +
   130        "THROUGH THRU TIME TIMES TITLE " +
   131        "TO TOP TRAILING TRAILING-SIGN TRANSACTION " +
   132        "TYPE TYPEDEF UNDERLINE UNEQUAL UNIT " +
   133        "UNSTRING UNTIL UP UPDATE UPON " +
   134        "USAGE USAGE-MODE USE USING VALID " +
   135        "VALIDATE VALUE VALUES VARYING VLR " +
   136        "WAIT WHEN WHEN-COMPILED WITH WITHIN " +
   137        "WORDS WORKING-STORAGE WRITE XML XML-CODE " +
   138        "XML-EVENT XML-NTEXT XML-TEXT ZERO ZERO-FILL " );
   139  
   140    var builtins = makeKeywords("- * ** / + < <= = > >= ");
   141    var tests = {
   142      digit: /\d/,
   143      digit_or_colon: /[\d:]/,
   144      hex: /[0-9a-f]/i,
   145      sign: /[+-]/,
   146      exponent: /e/i,
   147      keyword_char: /[^\s\(\[\;\)\]]/,
   148      symbol: /[\w*+\-]/
   149    };
   150    function isNumber(ch, stream){
   151      // hex
   152      if ( ch === '0' && stream.eat(/x/i) ) {
   153        stream.eatWhile(tests.hex);
   154        return true;
   155      }
   156      // leading sign
   157      if ( ( ch == '+' || ch == '-' ) && ( tests.digit.test(stream.peek()) ) ) {
   158        stream.eat(tests.sign);
   159        ch = stream.next();
   160      }
   161      if ( tests.digit.test(ch) ) {
   162        stream.eat(ch);
   163        stream.eatWhile(tests.digit);
   164        if ( '.' == stream.peek()) {
   165          stream.eat('.');
   166          stream.eatWhile(tests.digit);
   167        }
   168        if ( stream.eat(tests.exponent) ) {
   169          stream.eat(tests.sign);
   170          stream.eatWhile(tests.digit);
   171        }
   172        return true;
   173      }
   174      return false;
   175    }
   176    return {
   177      startState: function () {
   178        return {
   179          indentStack: null,
   180          indentation: 0,
   181          mode: false
   182        };
   183      },
   184      token: function (stream, state) {
   185        if (state.indentStack == null && stream.sol()) {
   186          // update indentation, but only if indentStack is empty
   187          state.indentation = 6 ; //stream.indentation();
   188        }
   189        // skip spaces
   190        if (stream.eatSpace()) {
   191          return null;
   192        }
   193        var returnType = null;
   194        switch(state.mode){
   195        case "string": // multi-line string parsing mode
   196          var next = false;
   197          while ((next = stream.next()) != null) {
   198            if (next == "\"" || next == "\'") {
   199              state.mode = false;
   200              break;
   201            }
   202          }
   203          returnType = STRING; // continue on in string mode
   204          break;
   205        default: // default parsing mode
   206          var ch = stream.next();
   207          var col = stream.column();
   208          if (col >= 0 && col <= 5) {
   209            returnType = COBOLLINENUM;
   210          } else if (col >= 72 && col <= 79) {
   211            stream.skipToEnd();
   212            returnType = MODTAG;
   213          } else if (ch == "*" && col == 6) { // comment
   214            stream.skipToEnd(); // rest of the line is a comment
   215            returnType = COMMENT;
   216          } else if (ch == "\"" || ch == "\'") {
   217            state.mode = "string";
   218            returnType = STRING;
   219          } else if (ch == "'" && !( tests.digit_or_colon.test(stream.peek()) )) {
   220            returnType = ATOM;
   221          } else if (ch == ".") {
   222            returnType = PERIOD;
   223          } else if (isNumber(ch,stream)){
   224            returnType = NUMBER;
   225          } else {
   226            if (stream.current().match(tests.symbol)) {
   227              while (col < 71) {
   228                if (stream.eat(tests.symbol) === undefined) {
   229                  break;
   230                } else {
   231                  col++;
   232                }
   233              }
   234            }
   235            if (keywords && keywords.propertyIsEnumerable(stream.current().toUpperCase())) {
   236              returnType = KEYWORD;
   237            } else if (builtins && builtins.propertyIsEnumerable(stream.current().toUpperCase())) {
   238              returnType = BUILTIN;
   239            } else if (atoms && atoms.propertyIsEnumerable(stream.current().toUpperCase())) {
   240              returnType = ATOM;
   241            } else returnType = null;
   242          }
   243        }
   244        return returnType;
   245      },
   246      indent: function (state) {
   247        if (state.indentStack == null) return state.indentation;
   248        return state.indentStack.indent;
   249      }
   250    };
   251  });
   252  
   253  CodeMirror.defineMIME("text/x-cobol", "cobol");
   254  
   255  });