256 lines
10 KiB
JavaScript
256 lines
10 KiB
JavaScript
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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/**
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* Author: Gautam Mehta
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* Branched from CodeMirror's Scheme mode
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*/
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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CodeMirror.defineMode("cobol", function () {
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var BUILTIN = "builtin", COMMENT = "comment", STRING = "string",
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ATOM = "atom", NUMBER = "number", KEYWORD = "keyword", MODTAG = "header",
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COBOLLINENUM = "def", PERIOD = "link";
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function makeKeywords(str) {
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var obj = {}, words = str.split(" ");
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for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
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return obj;
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}
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var atoms = makeKeywords("TRUE FALSE ZEROES ZEROS ZERO SPACES SPACE LOW-VALUE LOW-VALUES ");
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var keywords = makeKeywords(
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"ACCEPT ACCESS ACQUIRE ADD ADDRESS " +
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"ADVANCING AFTER ALIAS ALL ALPHABET " +
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"ALPHABETIC ALPHABETIC-LOWER ALPHABETIC-UPPER ALPHANUMERIC ALPHANUMERIC-EDITED " +
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"ALSO ALTER ALTERNATE AND ANY " +
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"ARE AREA AREAS ARITHMETIC ASCENDING " +
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"ASSIGN AT ATTRIBUTE AUTHOR AUTO " +
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"AUTO-SKIP AUTOMATIC B-AND B-EXOR B-LESS " +
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"B-NOT B-OR BACKGROUND-COLOR BACKGROUND-COLOUR BEEP " +
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"BEFORE BELL BINARY BIT BITS " +
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"BLANK BLINK BLOCK BOOLEAN BOTTOM " +
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"BY CALL CANCEL CD CF " +
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"CH CHARACTER CHARACTERS CLASS CLOCK-UNITS " +
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"CLOSE COBOL CODE CODE-SET COL " +
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"COLLATING COLUMN COMMA COMMIT COMMITMENT " +
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"COMMON COMMUNICATION COMP COMP-0 COMP-1 " +
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"COMP-2 COMP-3 COMP-4 COMP-5 COMP-6 " +
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"COMP-7 COMP-8 COMP-9 COMPUTATIONAL COMPUTATIONAL-0 " +
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"COMPUTATIONAL-1 COMPUTATIONAL-2 COMPUTATIONAL-3 COMPUTATIONAL-4 COMPUTATIONAL-5 " +
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"COMPUTATIONAL-6 COMPUTATIONAL-7 COMPUTATIONAL-8 COMPUTATIONAL-9 COMPUTE " +
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"CONFIGURATION CONNECT CONSOLE CONTAINED CONTAINS " +
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"CONTENT CONTINUE CONTROL CONTROL-AREA CONTROLS " +
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"CONVERTING COPY CORR CORRESPONDING COUNT " +
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"CRT CRT-UNDER CURRENCY CURRENT CURSOR " +
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"DATA DATE DATE-COMPILED DATE-WRITTEN DAY " +
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"DAY-OF-WEEK DB DB-ACCESS-CONTROL-KEY DB-DATA-NAME DB-EXCEPTION " +
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"DB-FORMAT-NAME DB-RECORD-NAME DB-SET-NAME DB-STATUS DBCS " +
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"DBCS-EDITED DE DEBUG-CONTENTS DEBUG-ITEM DEBUG-LINE " +
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"DEBUG-NAME DEBUG-SUB-1 DEBUG-SUB-2 DEBUG-SUB-3 DEBUGGING " +
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"DECIMAL-POINT DECLARATIVES DEFAULT DELETE DELIMITED " +
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"DELIMITER DEPENDING DESCENDING DESCRIBED DESTINATION " +
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"DETAIL DISABLE DISCONNECT DISPLAY DISPLAY-1 " +
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"DISPLAY-2 DISPLAY-3 DISPLAY-4 DISPLAY-5 DISPLAY-6 " +
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"DISPLAY-7 DISPLAY-8 DISPLAY-9 DIVIDE DIVISION " +
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"DOWN DROP DUPLICATE DUPLICATES DYNAMIC " +
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"EBCDIC EGI EJECT ELSE EMI " +
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"EMPTY EMPTY-CHECK ENABLE END END. END-ACCEPT END-ACCEPT. " +
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"END-ADD END-CALL END-COMPUTE END-DELETE END-DISPLAY " +
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"END-DIVIDE END-EVALUATE END-IF END-INVOKE END-MULTIPLY " +
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"END-OF-PAGE END-PERFORM END-READ END-RECEIVE END-RETURN " +
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"END-REWRITE END-SEARCH END-START END-STRING END-SUBTRACT " +
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"END-UNSTRING END-WRITE END-XML ENTER ENTRY " +
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"ENVIRONMENT EOP EQUAL EQUALS ERASE " +
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"ERROR ESI EVALUATE EVERY EXCEEDS " +
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"EXCEPTION EXCLUSIVE EXIT EXTEND EXTERNAL " +
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"EXTERNALLY-DESCRIBED-KEY FD FETCH FILE FILE-CONTROL " +
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"FILE-STREAM FILES FILLER FINAL FIND " +
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"FINISH FIRST FOOTING FOR FOREGROUND-COLOR " +
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"FOREGROUND-COLOUR FORMAT FREE FROM FULL " +
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"FUNCTION GENERATE GET GIVING GLOBAL " +
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"GO GOBACK GREATER GROUP HEADING " +
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"HIGH-VALUE HIGH-VALUES HIGHLIGHT I-O I-O-CONTROL " +
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"ID IDENTIFICATION IF IN INDEX " +
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"INDEX-1 INDEX-2 INDEX-3 INDEX-4 INDEX-5 " +
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"INDEX-6 INDEX-7 INDEX-8 INDEX-9 INDEXED " +
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"INDIC INDICATE INDICATOR INDICATORS INITIAL " +
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"INITIALIZE INITIATE INPUT INPUT-OUTPUT INSPECT " +
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"INSTALLATION INTO INVALID INVOKE IS " +
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"JUST JUSTIFIED KANJI KEEP KEY " +
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"LABEL LAST LD LEADING LEFT " +
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"LEFT-JUSTIFY LENGTH LENGTH-CHECK LESS LIBRARY " +
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"LIKE LIMIT LIMITS LINAGE LINAGE-COUNTER " +
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"LINE LINE-COUNTER LINES LINKAGE LOCAL-STORAGE " +
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"LOCALE LOCALLY LOCK " +
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"MEMBER MEMORY MERGE MESSAGE METACLASS " +
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"MODE MODIFIED MODIFY MODULES MOVE " +
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"MULTIPLE MULTIPLY NATIONAL NATIVE NEGATIVE " +
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"NEXT NO NO-ECHO NONE NOT " +
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"NULL NULL-KEY-MAP NULL-MAP NULLS NUMBER " +
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"NUMERIC NUMERIC-EDITED OBJECT OBJECT-COMPUTER OCCURS " +
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"OF OFF OMITTED ON ONLY " +
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"OPEN OPTIONAL OR ORDER ORGANIZATION " +
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"OTHER OUTPUT OVERFLOW OWNER PACKED-DECIMAL " +
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"PADDING PAGE PAGE-COUNTER PARSE PERFORM " +
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"PF PH PIC PICTURE PLUS " +
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"POINTER POSITION POSITIVE PREFIX PRESENT " +
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"PRINTING PRIOR PROCEDURE PROCEDURE-POINTER PROCEDURES " +
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"PROCEED PROCESS PROCESSING PROGRAM PROGRAM-ID " +
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"PROMPT PROTECTED PURGE QUEUE QUOTE " +
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"QUOTES RANDOM RD READ READY " +
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"REALM RECEIVE RECONNECT RECORD RECORD-NAME " +
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"RECORDS RECURSIVE REDEFINES REEL REFERENCE " +
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"REFERENCE-MONITOR REFERENCES RELATION RELATIVE RELEASE " +
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"REMAINDER REMOVAL RENAMES REPEATED REPLACE " +
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"REPLACING REPORT REPORTING REPORTS REPOSITORY " +
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"REQUIRED RERUN RESERVE RESET RETAINING " +
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"RETRIEVAL RETURN RETURN-CODE RETURNING REVERSE-VIDEO " +
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"REVERSED REWIND REWRITE RF RH " +
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"RIGHT RIGHT-JUSTIFY ROLLBACK ROLLING ROUNDED " +
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"RUN SAME SCREEN SD SEARCH " +
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"SECTION SECURE SECURITY SEGMENT SEGMENT-LIMIT " +
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"SELECT SEND SENTENCE SEPARATE SEQUENCE " +
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"SEQUENTIAL SET SHARED SIGN SIZE " +
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"SKIP1 SKIP2 SKIP3 SORT SORT-MERGE " +
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"SORT-RETURN SOURCE SOURCE-COMPUTER SPACE-FILL " +
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"SPECIAL-NAMES STANDARD STANDARD-1 STANDARD-2 " +
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"START STARTING STATUS STOP STORE " +
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"STRING SUB-QUEUE-1 SUB-QUEUE-2 SUB-QUEUE-3 SUB-SCHEMA " +
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"SUBFILE SUBSTITUTE SUBTRACT SUM SUPPRESS " +
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"SYMBOLIC SYNC SYNCHRONIZED SYSIN SYSOUT " +
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"TABLE TALLYING TAPE TENANT TERMINAL " +
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"TERMINATE TEST TEXT THAN THEN " +
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"THROUGH THRU TIME TIMES TITLE " +
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"TO TOP TRAILING TRAILING-SIGN TRANSACTION " +
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"TYPE TYPEDEF UNDERLINE UNEQUAL UNIT " +
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"UNSTRING UNTIL UP UPDATE UPON " +
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"USAGE USAGE-MODE USE USING VALID " +
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"VALIDATE VALUE VALUES VARYING VLR " +
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"WAIT WHEN WHEN-COMPILED WITH WITHIN " +
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"WORDS WORKING-STORAGE WRITE XML XML-CODE " +
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"XML-EVENT XML-NTEXT XML-TEXT ZERO ZERO-FILL " );
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var builtins = makeKeywords("- * ** / + < <= = > >= ");
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var tests = {
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digit: /\d/,
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digit_or_colon: /[\d:]/,
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hex: /[0-9a-f]/i,
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sign: /[+-]/,
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exponent: /e/i,
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keyword_char: /[^\s\(\[\;\)\]]/,
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symbol: /[\w*+\-]/
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};
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function isNumber(ch, stream){
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// hex
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if ( ch === '0' && stream.eat(/x/i) ) {
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stream.eatWhile(tests.hex);
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return true;
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}
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// leading sign
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if ( ( ch == '+' || ch == '-' ) && ( tests.digit.test(stream.peek()) ) ) {
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stream.eat(tests.sign);
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ch = stream.next();
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}
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if ( tests.digit.test(ch) ) {
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stream.eat(ch);
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stream.eatWhile(tests.digit);
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if ( '.' == stream.peek()) {
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stream.eat('.');
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stream.eatWhile(tests.digit);
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}
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if ( stream.eat(tests.exponent) ) {
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stream.eat(tests.sign);
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stream.eatWhile(tests.digit);
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}
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return true;
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}
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return false;
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}
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return {
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startState: function () {
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return {
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indentStack: null,
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indentation: 0,
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mode: false
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};
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},
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token: function (stream, state) {
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if (state.indentStack == null && stream.sol()) {
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// update indentation, but only if indentStack is empty
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state.indentation = 6 ; //stream.indentation();
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}
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// skip spaces
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if (stream.eatSpace()) {
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return null;
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}
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var returnType = null;
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switch(state.mode){
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case "string": // multi-line string parsing mode
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var next = false;
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while ((next = stream.next()) != null) {
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if ((next == "\"" || next == "\'") && !stream.match(/['"]/, false)) {
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state.mode = false;
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break;
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}
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}
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returnType = STRING; // continue on in string mode
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break;
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default: // default parsing mode
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var ch = stream.next();
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var col = stream.column();
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if (col >= 0 && col <= 5) {
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returnType = COBOLLINENUM;
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} else if (col >= 72 && col <= 79) {
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stream.skipToEnd();
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returnType = MODTAG;
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} else if (ch == "*" && col == 6) { // comment
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stream.skipToEnd(); // rest of the line is a comment
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returnType = COMMENT;
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} else if (ch == "\"" || ch == "\'") {
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state.mode = "string";
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returnType = STRING;
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} else if (ch == "'" && !( tests.digit_or_colon.test(stream.peek()) )) {
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returnType = ATOM;
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} else if (ch == ".") {
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returnType = PERIOD;
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} else if (isNumber(ch,stream)){
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returnType = NUMBER;
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} else {
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if (stream.current().match(tests.symbol)) {
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while (col < 71) {
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if (stream.eat(tests.symbol) === undefined) {
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break;
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} else {
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col++;
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}
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}
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}
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if (keywords && keywords.propertyIsEnumerable(stream.current().toUpperCase())) {
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returnType = KEYWORD;
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} else if (builtins && builtins.propertyIsEnumerable(stream.current().toUpperCase())) {
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returnType = BUILTIN;
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} else if (atoms && atoms.propertyIsEnumerable(stream.current().toUpperCase())) {
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returnType = ATOM;
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} else returnType = null;
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}
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}
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return returnType;
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},
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indent: function (state) {
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if (state.indentStack == null) return state.indentation;
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return state.indentStack.indent;
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}
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};
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});
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CodeMirror.defineMIME("text/x-cobol", "cobol");
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});
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