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1 " Vim syntax file
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2 " Language: COBOL
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3 " Maintainers: Davyd Ondrejko <vondraco@columbus.rr.com>
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4 " (formerly Sitaram Chamarty <sitaram@diac.com> and
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5 " James Mitchell <james_mitchell@acm.org>)
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6 " Last change: 2001 Sep 02
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7
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8 " For version 5.x: Clear all syntax items
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9 " For version 6.x: Quit when a syntax file was already loaded
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10 if version < 600
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11 syntax clear
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12 elseif exists("b:current_syntax")
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13 finish
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14 endif
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15
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16 " MOST important - else most of the keywords wont work!
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17 if version < 600
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18 set isk=@,48-57,-
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19 else
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20 setlocal isk=@,48-57,-
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21 endif
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22
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23 syn case ignore
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24
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25 syn match cobolKeys "^\a\{1,6\}" contains=cobolReserved
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26 syn keyword cobolReserved contained ACCEPT ACCESS ADD ADDRESS ADVANCING AFTER ALPHABET ALPHABETIC
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27 syn keyword cobolReserved contained ALPHABETIC-LOWER ALPHABETIC-UPPER ALPHANUMERIC ALPHANUMERIC-EDITED ALS
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28 syn keyword cobolReserved contained ALTERNATE AND ANY ARE AREA AREAS ASCENDING ASSIGN AT AUTHOR BEFORE BINARY
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29 syn keyword cobolReserved contained BLANK BLOCK BOTTOM BY CANCEL CBLL CD CF CH CHARACTER CHARACTERS CLASS
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30 syn keyword cobolReserved contained CLOCK-UNITS CLOSE COBOL CODE CODE-SET COLLATING COLUMN COMMA COMMON
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31 syn keyword cobolReserved contained COMMUNICATIONS COMPUTATIONAL COMPUTE CONFIGURATION CONTENT CONTINUE
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32 syn keyword cobolReserved contained CONTROL CONVERTING CORR CORRESPONDING COUNT CURRENCY DATA DATE DATE-COMPILED
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33 syn keyword cobolReserved contained DATE-WRITTEN DAY DAY-OF-WEEK DE DEBUG-CONTENTS DEBUG-ITEM DEBUG-LINE
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34 syn keyword cobolReserved contained DEBUG-NAME DEBUG-SUB-1 DEBUG-SUB-2 DEBUG-SUB-3 DEBUGGING DECIMAL-POINT
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35 syn keyword cobolReserved contained DELARATIVES DELETE DELIMITED DELIMITER DEPENDING DESCENDING DESTINATION
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36 syn keyword cobolReserved contained DETAIL DISABLE DISPLAY DIVIDE DIVISION DOWN DUPLICATES DYNAMIC EGI ELSE EMI
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37 syn keyword cobolReserved contained ENABLE END-ADD END-COMPUTE END-DELETE END-DIVIDE END-EVALUATE END-IF
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38 syn keyword cobolReserved contained END-MULTIPLY END-OF-PAGE END-PERFORM END-READ END-RECEIVE END-RETURN
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39 syn keyword cobolReserved contained END-REWRITE END-SEARCH END-START END-STRING END-SUBTRACT END-UNSTRING
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40 syn keyword cobolReserved contained END-WRITE ENVIRONMENT EQUAL ERROR ESI EVALUATE EVERY EXCEPTION EXIT
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41 syn keyword cobolReserved contained EXTEND EXTERNAL FALSE FD FILE FILE-CONTROL FILLER FINAL FIRST FOOTING FOR FROM
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42 syn keyword cobolReserved contained GENERATE GIVING GLOBAL GREATER GROUP HEADING HIGH-VALUE HIGH-VALUES I-O
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43 syn keyword cobolReserved contained I-O-CONTROL IDENTIFICATION IN INDEX INDEXED INDICATE INITIAL INITIALIZE
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44 syn keyword cobolReserved contained INITIATE INPUT INPUT-OUTPUT INSPECT INSTALLATION INTO IS JUST
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45 syn keyword cobolReserved contained JUSTIFIED KEY LABEL LAST LEADING LEFT LENGTH LOCK MEMORY
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46 syn keyword cobolReserved contained MERGE MESSAGE MODE MODULES MOVE MULTIPLE MULTIPLY NATIVE NEGATIVE NEXT NO NOT
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47 syn keyword cobolReserved contained NUMBER NUMERIC NUMERIC-EDITED OBJECT-COMPUTER OCCURS OF OFF OMITTED ON OPEN
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48 syn keyword cobolReserved contained OPTIONAL OR ORDER ORGANIZATION OTHER OUTPUT OVERFLOW PACKED-DECIMAL PADDING
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49 syn keyword cobolReserved contained PAGE PAGE-COUNTER PERFORM PF PH PIC PICTURE PLUS POINTER POSITION POSITIVE
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50 syn keyword cobolReserved contained PRINTING PROCEDURE PROCEDURES PROCEDD PROGRAM PROGRAM-ID PURGE QUEUE QUOTES
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51 syn keyword cobolReserved contained RANDOM RD READ RECEIVE RECORD RECORDS REDEFINES REEL REFERENCE REFERENCES
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52 syn keyword cobolReserved contained RELATIVE RELEASE REMAINDER REMOVAL REPLACE REPLACING REPORT REPORTING
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53 syn keyword cobolReserved contained REPORTS RERUN RESERVE RESET RETURN RETURNING REVERSED REWIND REWRITE RF RH
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54 syn keyword cobolReserved contained RIGHT ROUNDED RUN SAME SD SEARCH SECTION SECURITY SEGMENT SEGMENT-LIMITED
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55 syn keyword cobolReserved contained SELECT SEND SENTENCE SEPARATE SEQUENCE SEQUENTIAL SET SIGN SIZE SORT
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56 syn keyword cobolReserved contained SORT-MERGE SOURCE SOURCE-COMPUTER SPECIAL-NAMES STANDARD
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57 syn keyword cobolReserved contained STANDARD-1 STANDARD-2 START STATUS STOP STRING SUB-QUEUE-1 SUB-QUEUE-2
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58 syn keyword cobolReserved contained SUB-QUEUE-3 SUBTRACT SUM SUPPRESS SYMBOLIC SYNC SYNCHRONIZED TABLE TALLYING
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59 syn keyword cobolReserved contained TAPE TERMINAL TERMINATE TEST TEXT THAN THEN THROUGH THRU TIME TIMES TO TOP
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60 syn keyword cobolReserved contained TRAILING TRUE TYPE UNIT UNSTRING UNTIL UP UPON USAGE USE USING VALUE VALUES
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61 syn keyword cobolReserved contained VARYING WHEN WITH WORDS WORKING-STORAGE WRITE
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62 syn match cobolReserved contained "\<CONTAINS\>"
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63 syn match cobolReserved contained "\<\(IF\|INVALID\|END\|EOP\)\>"
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64 syn match cobolReserved contained "\<ALL\>"
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65
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66 syn keyword cobolConstant SPACE SPACES NULL ZERO ZEROES ZEROS LOW-VALUE LOW-VALUES
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67
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68 syn match cobolMarker "^.\{6\}"
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69 syn match cobolBadLine "^.\{6\}[^ D\-*$/].*"hs=s+6
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70
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71 " If comment mark somehow gets into column past Column 7.
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72 syn match cobolBadLine "^.\{6\}\s\+\*.*"
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73
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74 syn match cobolNumber "\<-\=\d*\.\=\d\+\>" contains=cobolMarker,cobolComment
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75 syn match cobolPic "\<S*9\+\>" contains=cobolMarker,cobolComment
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76 syn match cobolPic "\<$*\.\=9\+\>" contains=cobolMarker,cobolComment
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77 syn match cobolPic "\<Z*\.\=9\+\>" contains=cobolMarker,cobolComment
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78 syn match cobolPic "\<V9\+\>" contains=cobolMarker,cobolComment
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79 syn match cobolPic "\<9\+V\>" contains=cobolMarker,cobolComment
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80 syn match cobolPic "\<-\+[Z9]\+\>" contains=cobolMarker,cobolComment
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81 syn match cobolTodo "todo" contained
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82 syn match cobolComment "^.\{6\}\*.*"hs=s+6 contains=cobolTodo,cobolMarker
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83 syn match cobolComment "^.\{6\}/.*"hs=s+6 contains=cobolTodo,cobolMarker
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84 syn match cobolComment "^.\{6\}C.*"hs=s+6 contains=cobolTodo,cobolMarker
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85 syn match cobolCompiler "^.\{6\}$.*"hs=s+6
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86
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87 " For MicroFocus or other inline comments, include this line.
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88 " syn region cobolComment start="*>" end="$" contains=cobolTodo,cobolMarker
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89
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90 syn keyword cobolGoTo GO GOTO
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91 syn keyword cobolCopy COPY
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92
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93 " cobolBAD: things that are BAD NEWS!
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94 syn keyword cobolBAD ALTER ENTER RENAMES
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95
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96 " cobolWatch: things that are important when trying to understand a program
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97 syn keyword cobolWatch OCCURS DEPENDING VARYING BINARY COMP REDEFINES
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98 syn keyword cobolWatch REPLACING RUN
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99 syn match cobolWatch "COMP-[123456XN]"
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100
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101 syn keyword cobolEXECs EXEC END-EXEC
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102
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103
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104 syn match cobolDecl "^.\{6} \{1,4}\(0\=1\|77\|78\) "hs=s+7,he=e-1 contains=cobolMarker
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105 syn match cobolDecl "^.\{6} \+[1-4]\d "hs=s+7,he=e-1 contains=cobolMarker
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106 syn match cobolDecl "^.\{6} \+0\=[2-9] "hs=s+7,he=e-1 contains=cobolMarker
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107 syn match cobolDecl "^.\{6} \+66 "hs=s+7,he=e-1 contains=cobolMarker
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108
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109 syn match cobolWatch "^.\{6} \+88 "hs=s+7,he=e-1 contains=cobolMarker
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110
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111 syn match cobolBadID "\k\+-\($\|[^-A-Z0-9]\)"
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112
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113 syn keyword cobolCALLs CALL CANCEL GOBACK PERFORM INVOKE
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114 syn match cobolCALLs "EXIT \+PROGRAM"
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115 syn match cobolExtras /\<VALUE \+\d\+\./hs=s+6,he=e-1
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116
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117 syn match cobolString /"[^"]*\("\|$\)/
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118 syn match cobolString /'[^']*\('\|$\)/
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119
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120 syn region cobolLine start="^.\{6} " end="$" contains=ALL
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121
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122 if exists("cobol_legacy_code")
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123 syn region cobolCondFlow contains=ALLBUT,cobolLine start="\<\(IF\|INVALID\|END\|EOP\)\>" skip=/\('\|"\)[^"]\{-}\("\|'\|$\)/ end="\." keepend
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124 endif
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125
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126 if ! exists("cobol_legacy_code")
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127 " catch junk in columns 1-6 for modern code
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128 syn match cobolBAD "^ \{0,5\}[^ ].*"
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129 endif
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130
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131 " many legacy sources have junk in columns 1-6: must be before others
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132 " Stuff after column 72 is in error - must be after all other "match" entries
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133 if exists("cobol_legacy_code")
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134 syn match cobolBadLine "^.\{6}[^*/].\{66,\}"
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135 else
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136 syn match cobolBadLine "^.\{6}.\{67,\}"
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137 endif
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138
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139 " Define the default highlighting.
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140 " For version 5.7 and earlier: only when not done already
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141 " For version 5.8 and later: only when an item doesn't have highlighting yet
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142 if version >= 508 || !exists("did_cobol_syntax_inits")
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143 if version < 508
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144 let did_cobol_syntax_inits = 1
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145 command -nargs=+ HiLink hi link <args>
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146 else
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147 command -nargs=+ HiLink hi def link <args>
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148 endif
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149
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150 HiLink cobolBAD Error
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151 HiLink cobolBadID Error
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152 HiLink cobolBadLine Error
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153 HiLink cobolMarker Comment
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154 HiLink cobolCALLs Function
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155 HiLink cobolComment Comment
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156 HiLink cobolKeys Comment
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157 HiLink cobolAreaB Special
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158 HiLink cobolCompiler PreProc
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159 HiLink cobolCondFlow Special
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160 HiLink cobolCopy PreProc
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161 HiLink cobolDecl Type
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162 HiLink cobolExtras Special
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163 HiLink cobolGoTo Special
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164 HiLink cobolConstant Constant
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165 HiLink cobolNumber Constant
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166 HiLink cobolPic Constant
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167 HiLink cobolReserved Statement
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168 HiLink cobolString Constant
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169 HiLink cobolTodo Todo
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170 HiLink cobolWatch Special
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171
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172 delcommand HiLink
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173 endif
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174
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175 let b:current_syntax = "cobol"
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176
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177 " vim: ts=6 nowrap
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