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// 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"); });
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