cobol.js (10288B)
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 });