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- // CodeMirror, copyright (c) by Marijn Haverbeke and others
- // Distributed under an MIT license: https://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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