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+" Vim syntax file
+" Language: COBOL
+" Maintainer: Ankit Jain <ajatkj@yahoo.co.in>
+" (formerly Tim Pope <vimNOSPAM@tpope.info>)
+" (formerly Davyd Ondrejko <vondraco@columbus.rr.com>)
+" (formerly Sitaram Chamarty <sitaram@diac.com> and
+" James Mitchell <james_mitchell@acm.org>)
+" Last Change: 2019 Mar 22
+" Ankit Jain 22.03.2019 Changes & fixes:
+" 1. Include inline comments
+" 2. Use comment highlight for bad lines
+" 3. Change certain 'keywords' to 'matches'
+" for additional highlighting
+" 4. Different highlighting for COPY, GO TO &
+" CALL lines
+" 5. Fix for COMP keyword
+" 6. Fix for PROCEDURE DIVISION highlighting
+" 7. Highlight EXIT PROGRAM like STOP RUN
+" 8. Highlight X & A in PIC clause
+" Tag: #C22032019
+
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+ finish
+endif
+
+" MOST important - else most of the keywords wont work!
+setlocal isk=@,48-57,-,_
+
+if !exists('g:cobol_inline_comment')
+ let g:cobol_inline_comment=0
+endif
+
+syn case ignore
+
+syn cluster cobolStart contains=cobolAreaA,cobolAreaB,cobolComment,cobolCompiler
+syn cluster cobolAreaA contains=cobolParagraph,cobolSection,cobolDivision
+"syn cluster cobolAreaB contains=
+syn cluster cobolAreaAB contains=cobolLine
+syn cluster cobolLine contains=cobolReserved
+syn match cobolMarker "^\%( \{,5\}[^ ]\)\@=.\{,6}" nextgroup=@cobolStart
+syn match cobolSpace "^ \{6\}" nextgroup=@cobolStart
+syn match cobolAreaA " \{1,4\}" contained nextgroup=@cobolAreaA,@cobolAreaAB
+syn match cobolAreaB " \{5,\}\|- *" contained nextgroup=@cobolAreaB,@cobolAreaAB
+syn match cobolComment "[/*C].*$" contained
+syn match cobolCompiler "$.*$" contained
+syn match cobolLine ".*$" contained contains=cobolReserved,@cobolLine
+
+"#C22032019: Fix for PROCEDURE DIVISION USING highlighting, removed . from the
+"end of the regex
+"syn match cobolDivision \"[A-Z][A-Z0-9-]*[A-Z0-9]\s\+DIVISION\."he=e-1 contained contains=cobolDivisionName
+syn match cobolDivision "[A-Z][A-Z0-9-]*[A-Z0-9]\s\+DIVISION" contained contains=cobolDivisionName
+syn keyword cobolDivisionName contained IDENTIFICATION ENVIRONMENT DATA PROCEDURE
+syn match cobolSection "[A-Z][A-Z0-9-]*[A-Z0-9]\s\+SECTION\."he=e-1 contained contains=cobolSectionName
+syn keyword cobolSectionName contained CONFIGURATION INPUT-OUTPUT FILE WORKING-STORAGE LOCAL-STORAGE LINKAGE
+syn match cobolParagraph "\a[A-Z0-9-]*[A-Z0-9]\.\|\d[A-Z0-9-]*[A-Z]\."he=e-1 contained contains=cobolParagraphName
+syn keyword cobolParagraphName contained PROGRAM-ID SOURCE-COMPUTER OBJECT-COMPUTER SPECIAL-NAMES FILE-CONTROL I-O-CONTROL
+
+
+"syn match cobolKeys "^\a\{1,6\}" contains=cobolReserved
+"#C22032019: Remove BY, REPLACING, PROGRAM, TO, IN from 'keyword' group and add
+"to 'match' group or other 'keyword' group
+syn keyword cobolReserved contained ACCEPT ACCESS ADD ADDRESS ADVANCING AFTER ALPHABET ALPHABETIC
+syn keyword cobolReserved contained ALPHABETIC-LOWER ALPHABETIC-UPPER ALPHANUMERIC ALPHANUMERIC-EDITED ALS
+syn keyword cobolReserved contained ALTERNATE AND ANY ARE AREA AREAS ASCENDING ASSIGN AT AUTHOR BEFORE BINARY
+syn keyword cobolReserved contained BLANK BLOCK BOTTOM CANCEL CBLL CD CF CH CHARACTER CHARACTERS CLASS
+syn keyword cobolReserved contained CLOCK-UNITS CLOSE COBOL CODE CODE-SET COLLATING COLUMN COMMA COMMON
+syn keyword cobolReserved contained COMMUNICATIONS COMPUTATIONAL COMPUTE CONTENT CONTINUE
+syn keyword cobolReserved contained CONTROL CONVERTING CORR CORRESPONDING COUNT CURRENCY DATE DATE-COMPILED
+syn keyword cobolReserved contained DATE-WRITTEN DAY DAY-OF-WEEK DE DEBUG-CONTENTS DEBUG-ITEM DEBUG-LINE
+syn keyword cobolReserved contained DEBUG-NAME DEBUG-SUB-1 DEBUG-SUB-2 DEBUG-SUB-3 DEBUGGING DECIMAL-POINT
+syn keyword cobolReserved contained DELARATIVES DELETE DELIMITED DELIMITER DEPENDING DESCENDING DESTINATION
+syn keyword cobolReserved contained DETAIL DISABLE DISPLAY DIVIDE DIVISION DOWN DUPLICATES DYNAMIC EGI ELSE EMI
+syn keyword cobolReserved contained ENABLE END-ADD END-COMPUTE END-DELETE END-DIVIDE END-EVALUATE END-IF
+syn keyword cobolReserved contained END-MULTIPLY END-OF-PAGE END-READ END-RECEIVE END-RETURN
+syn keyword cobolReserved contained END-REWRITE END-SEARCH END-START END-STRING END-SUBTRACT END-UNSTRING
+syn keyword cobolReserved contained END-WRITE EQUAL ERROR ESI EVALUATE EVERY EXCEPTION EXIT
+syn keyword cobolReserved contained EXTEND EXTERNAL FALSE FD FILLER FINAL FIRST FOOTING FOR FROM
+syn keyword cobolReserved contained GENERATE GIVING GLOBAL GREATER GROUP HEADING HIGH-VALUE HIGH-VALUES I-O
+syn keyword cobolReserved contained INDEX INDEXED INDICATE INITIAL INITIALIZE
+syn keyword cobolReserved contained INITIATE INPUT INSPECT INSTALLATION INTO IS JUST
+syn keyword cobolReserved contained JUSTIFIED KEY LABEL LAST LEADING LEFT LENGTH LOCK MEMORY
+syn keyword cobolReserved contained MERGE MESSAGE MODE MODULES MOVE MULTIPLE MULTIPLY NATIVE NEGATIVE NEXT NO NOT
+syn keyword cobolReserved contained NUMBER NUMERIC NUMERIC-EDITED OCCURS OF OFF OMITTED ON OPEN
+syn keyword cobolReserved contained OPTIONAL OR ORDER ORGANIZATION OTHER OUTPUT OVERFLOW PACKED-DECIMAL PADDING
+syn keyword cobolReserved contained PAGE PAGE-COUNTER PERFORM PF PH PIC PICTURE PLUS POINTER POSITION POSITIVE
+syn keyword cobolReserved contained PRINTING PROCEDURES PROCEDD PURGE QUEUE QUOTES
+syn keyword cobolReserved contained RANDOM RD READ RECEIVE RECORD RECORDS REDEFINES REEL REFERENCE REFERENCES
+syn keyword cobolReserved contained RELATIVE RELEASE REMAINDER REMOVAL REPLACE REPORT REPORTING
+syn keyword cobolReserved contained REPORTS RERUN RESERVE RESET RETURN RETURNING REVERSED REWIND REWRITE RF RH
+syn keyword cobolReserved contained RIGHT ROUNDED RUN SAME SD SEARCH SECTION SECURITY SEGMENT SEGMENT-LIMITED
+syn keyword cobolReserved contained SELECT SEND SENTENCE SEPARATE SEQUENCE SEQUENTIAL SET SIGN SIZE SORT
+syn keyword cobolReserved contained SORT-MERGE SOURCE STANDARD
+syn keyword cobolReserved contained STANDARD-1 STANDARD-2 START STATUS STOP STRING SUB-QUEUE-1 SUB-QUEUE-2
+syn keyword cobolReserved contained SUB-QUEUE-3 SUBTRACT SUM SUPPRESS SYMBOLIC SYNC SYNCHRONIZED TABLE TALLYING
+syn keyword cobolReserved contained TAPE TERMINAL TERMINATE TEST TEXT THAN THEN THROUGH THRU TIME TIMES TOP
+syn keyword cobolReserved contained TRAILING TRUE TYPE UNIT UNSTRING UNTIL UP UPON USAGE USE USING VALUE VALUES
+syn keyword cobolReserved contained VARYING WHEN WITH WORDS WRITE
+syn match cobolReserved contained "\<CONTAINS\>"
+syn match cobolReserved contained "\<\(IF\|INVALID\|END\|EOP\)\>"
+syn match cobolReserved contained "\<ALL\>"
+" #C22032019: Add BY as match instead of keyword: BY not followed by ==
+syn match cobolReserved contained "\<BY\>\s\+\(==\)\@!"
+syn match cobolReserved contained "\<TO\>"
+
+syn cluster cobolLine add=cobolConstant,cobolNumber,cobolPic
+syn keyword cobolConstant SPACE SPACES NULL ZERO ZEROES ZEROS LOW-VALUE LOW-VALUES
+
+" #C22032019: Fix for many pic clauses
+syn match cobolNumber "\<-\=\d*\.\=\d\+\>" contained
+" syn match cobolPic \"\<S*9\+\>" contained
+syn match cobolPic "\<S*9\+V*9*\>" contained
+syn match cobolPic "\<$*\.\=9\+\>" contained
+syn match cobolPic "\<Z*\.\=9\+\>" contained
+syn match cobolPic "\<V9\+\>" contained
+syn match cobolPic "\<9\+V\>" contained
+" syn match cobolPic \"\<-\+[Z9]\+\>" contained
+syn match cobolPic "\<-*[Z9]\+-*\>" contained
+" #C22032019: Add Z,X and A to cobolPic
+syn match cobolPic "\<[ZXA]\+\>" contained
+syn match cobolTodo "todo" contained containedin=cobolInlineComment,cobolComment
+
+" For MicroFocus or other inline comments, include this line.
+if g:cobol_inline_comment == 1
+ syn region cobolInlineComment start="*>" end="$" contains=cobolTodo,cobolMarker
+ syn cluster cobolLine add=cobolInlineComment
+endif
+
+syn match cobolBadLine "[^ D\*$/-].*" contained
+
+" If comment mark somehow gets into column past Column 7.
+if g:cobol_inline_comment == 1
+ " #C22032019: It is a bad line only if * is not followed by > when inline
+ " comments enabled
+ syn match cobolBadLine "\s\+\*\(>\)\@!.*" contained
+else
+ syn match cobolBadLine "\s\+\*.*" contained
+endif
+syn cluster cobolStart add=cobolBadLine
+
+" #C22032019: Different highlighting for GO TO statements
+" syn keyword cobolGoTo GO GOTO
+syn keyword cobolGoTo GOTO
+syn match cobolGoTo /\<GO\>\s\+\<TO\>/
+syn match cobolGoToPara /\<GO\>\s\+\<TO\>\s\+[A-Z0-9-]\+/ contains=cobolGoTo
+" #C22032019: Highlight copybook name and location in using different group
+" syn keyword cobolCopy COPY
+syn match cobolCopy "\<COPY\>\|\<IN\>"
+syn match cobolCopy "\<REPLACING\>\s\+\(==\)\@="
+syn match cobolCopy "\<BY\>\s\+\(==\)\@="
+syn match cobolCopyName "\<COPY\>\s\+[A-Z0-9]\+\(\s\+\<IN\>\s\+[A-Z0-9]\+\)\?" contains=cobolCopy
+syn cluster cobolLine add=cobolGoToPara,cobolCopyName
+
+" cobolBAD: things that are BAD NEWS!
+syn keyword cobolBAD ALTER ENTER RENAMES
+
+syn cluster cobolLine add=cobolGoTo,cobolCopy,cobolBAD,cobolWatch,cobolEXECs
+
+" cobolWatch: things that are important when trying to understand a program
+syn keyword cobolWatch OCCURS DEPENDING VARYING BINARY COMP REDEFINES
+" #C22032019: Remove REPLACING from cobolWatch 'keyword' group and add to cobolCopy &
+" cobolWatch 'match' group
+" syn keyword cobolWatch REPLACING RUN
+syn keyword cobolWatch RUN PROGRAM
+syn match cobolWatch contained "\<REPLACING\>\s\+\(==\)\@!"
+" #C22032019: Look for word starting with COMP
+" syn match cobolWatch \"COMP-[123456XN]"
+syn match cobolWatch "\<COMP-[123456XN]"
+
+syn keyword cobolEXECs EXEC END-EXEC
+
+
+syn cluster cobolAreaA add=cobolDeclA
+syn cluster cobolAreaAB add=cobolDecl
+syn match cobolDeclA "\(0\=1\|77\|78\) " contained nextgroup=cobolLine
+syn match cobolDecl "[1-4]\d " contained nextgroup=cobolLine
+syn match cobolDecl "0\=[2-9] " contained nextgroup=cobolLine
+syn match cobolDecl "66 " contained nextgroup=cobolLine
+
+syn match cobolWatch "88 " contained nextgroup=cobolLine
+
+"syn match cobolBadID "\k\+-\($\|[^-A-Z0-9]\)" contained
+
+syn cluster cobolLine add=cobolCALLs,cobolString,cobolCondFlow
+" #C22032019: Changes for cobolCALLs group to include thru
+" syn keyword cobolCALLs CALL END-CALL CANCEL GOBACK PERFORM END-PERFORM INVOKE
+syn keyword cobolCALLs END-CALL CANCEL GOBACK PERFORM END-PERFORM INVOKE THRU
+" #C22032019: Highlight called program
+" syn match cobolCALLs \"EXIT \+PROGRAM"
+syn match cobolCALLs "\<CALL\>"
+syn match cobolCALLProg /\<CALL\>\s\+"\{0,1\}[A-Z0-9]\+"\{0,1\}/ contains=cobolCALLs
+syn match cobolExtras /\<VALUE \+\d\+\./hs=s+6,he=e-1
+syn cluster cobolLine add=cobolCALLProg
+
+syn match cobolString /"[^"]*\("\|$\)/
+syn match cobolString /'[^']*\('\|$\)/
+
+"syn region cobolLine start="^.\{6}[ D-]" end="$" contains=ALL
+syn match cobolIndicator "\%7c[D-]" contained
+
+if exists("cobol_legacy_code")
+ syn region cobolCondFlow contains=ALLBUT,cobolLine start="\<\(IF\|INVALID\|END\|EOP\)\>" skip=/\('\|"\)[^"]\{-}\("\|'\|$\)/ end="\." keepend
+endif
+
+" many legacy sources have junk in columns 1-6: must be before others
+" Stuff after column 72 is in error - must be after all other "match" entries
+if exists("cobol_legacy_code")
+ syn match cobolBadLine "\%73c.*" containedin=ALLBUT,cobolComment
+else
+ " #C22032019: Use comment highlighting for bad lines
+ " syn match cobolBadLine \"\%73c.*" containedin=ALL
+ syn match cobolBadLine "\%73c.*" containedin=ALL,cobolInlineComment,cobolComment
+endif
+
+" Define the default highlighting.
+" Only when an item doesn't have highlighting yet
+
+hi def link cobolBAD Error
+hi def link cobolBadID Error
+hi def link cobolBadLine Error
+if exists("g:cobol_legacy_code")
+ hi def link cobolMarker Comment
+else
+ hi def link cobolMarker Error
+endif
+hi def link cobolCALLs Function
+hi def link cobolCALLProg Special
+hi def link cobolComment Comment
+hi def link cobolInlineComment Comment
+hi def link cobolKeys Comment
+hi def link cobolAreaB Special
+hi def link cobolCompiler PreProc
+hi def link cobolCondFlow Special
+hi def link cobolCopy PreProc
+hi def link cobolCopyName Special
+hi def link cobolDeclA cobolDecl
+hi def link cobolDecl Type
+hi def link cobolExtras Special
+hi def link cobolGoTo Special
+hi def link cobolGoToPara Function
+hi def link cobolConstant Constant
+hi def link cobolNumber Constant
+hi def link cobolPic Constant
+hi def link cobolReserved Statement
+hi def link cobolDivision Label
+hi def link cobolSection Label
+hi def link cobolParagraph Label
+hi def link cobolDivisionName Keyword
+hi def link cobolSectionName Keyword
+hi def link cobolParagraphName Keyword
+hi def link cobolString Constant
+hi def link cobolTodo Todo
+hi def link cobolWatch Special
+hi def link cobolIndicator Special
+hi def link cobolStart Comment
+
+
+let b:current_syntax = "cobol"
+
+" vim: ts=6 nowrap