GPQAPP

1
// CodeMirror, copyright (c) by Marijn Haverbeke and others
2
// Distributed under an MIT license: https://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 == "\'") && !stream.match(/['"]/, false)) {
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
});
256