Edit File: awk.vim
" Vim syntax file " Language: awk, nawk, gawk, mawk " Maintainer: Antonio Colombo <azc10@yahoo.com> " Last Change: 2005 Mar 16 " AWK ref. is: Alfred V. Aho, Brian W. Kernighan, Peter J. Weinberger " The AWK Programming Language, Addison-Wesley, 1988 " GAWK ref. is: Arnold D. Robbins " Effective AWK Programming, Third Edition, O'Reilly, 2001 " MAWK is a "new awk" meaning it implements AWK ref. " mawk conforms to the Posix 1003.2 (draft 11.3) " definition of the AWK language which contains a few features " not described in the AWK book, and mawk provides a small number of extensions. " TODO: " Dig into the commented out syntax expressions below. " For version 5.x: Clear all syntax items " For version 6.x: Quit when a syntax file was already loaded if version < 600 syn clear elseif exists("b:current_syntax") finish endif " A bunch of useful Awk keywords " AWK ref. p. 188 syn keyword awkStatement break continue delete exit syn keyword awkStatement function getline next syn keyword awkStatement print printf return " GAWK ref. p. 117 syn keyword awkStatement nextfile " AWK ref. p. 42, GAWK ref. p. 142-166 syn keyword awkFunction atan2 close cos exp fflush int log rand sin sqrt srand syn keyword awkFunction gsub index length match split sprintf sub syn keyword awkFunction substr system " GAWK ref. p. 142-166 syn keyword awkFunction asort gensub mktime strftime strtonum systime syn keyword awkFunction tolower toupper syn keyword awkFunction and or xor compl lshift rshift syn keyword awkFunction dcgettext bindtextdomain syn keyword awkConditional if else syn keyword awkRepeat while for syn keyword awkTodo contained TODO syn keyword awkPatterns BEGIN END " AWK ref. p. 36 syn keyword awkVariables ARGC ARGV FILENAME FNR FS NF NR syn keyword awkVariables OFMT OFS ORS RLENGTH RS RSTART SUBSEP " GAWK ref. p. 120-126 syn keyword awkVariables ARGIND BINMODE CONVFMT ENVIRON ERRNO syn keyword awkVariables FIELDWIDTHS IGNORECASE LINT PROCINFO syn keyword awkVariables RT RLENGTH TEXTDOMAIN syn keyword awkRepeat do " Octal format character. syn match awkSpecialCharacter display contained "\\[0-7]\{1,3\}" syn keyword awkStatement func nextfile " Hex format character. syn match awkSpecialCharacter display contained "\\x[0-9A-Fa-f]\+" syn match awkFieldVars "\$\d\+" "catch errors caused by wrong parenthesis syn region awkParen transparent start="(" end=")" contains=ALLBUT,awkParenError,awkSpecialCharacter,awkArrayElement,awkArrayArray,awkTodo,awkRegExp,awkBrktRegExp,awkBrackets,awkCharClass syn match awkParenError display ")" syn match awkInParen display contained "[{}]" " 64 lines for complex &&'s, and ||'s in a big "if" syn sync ccomment awkParen maxlines=64 " Search strings & Regular Expressions therein. syn region awkSearch oneline start="^[ \t]*/"ms=e start="\(,\|!\=\~\)[ \t]*/"ms=e skip="\\\\\|\\/" end="/" contains=awkBrackets,awkRegExp,awkSpecialCharacter syn region awkBrackets contained start="\[\^\]\="ms=s+2 start="\[[^\^]"ms=s+1 end="\]"me=e-1 contains=awkBrktRegExp,awkCharClass syn region awkSearch oneline start="[ \t]*/"hs=e skip="\\\\\|\\/" end="/" contains=awkBrackets,awkRegExp,awkSpecialCharacter syn match awkCharClass contained "\[:[^:\]]*:\]" syn match awkBrktRegExp contained "\\.\|.\-[^]]" syn match awkRegExp contained "/\^"ms=s+1 syn match awkRegExp contained "\$/"me=e-1 syn match awkRegExp contained "[?.*{}|+]" " String and Character constants " Highlight special characters (those which have a backslash) differently syn region awkString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=awkSpecialCharacter,awkSpecialPrintf syn match awkSpecialCharacter contained "\\." " Some of these combinations may seem weird, but they work. syn match awkSpecialPrintf contained "%[-+ #]*\d*\.\=\d*[cdefgiosuxEGX%]" " Numbers, allowing signs (both -, and +) " Integer number. syn match awkNumber display "[+-]\=\<\d\+\>" " Floating point number. syn match awkFloat display "[+-]\=\<\d\+\.\d+\>" " Floating point number, starting with a dot. syn match awkFloat display "[+-]\=\<.\d+\>" syn case ignore "floating point number, with dot, optional exponent syn match awkFloat display "\<\d\+\.\d*\(e[-+]\=\d\+\)\=\>" "floating point number, starting with a dot, optional exponent syn match awkFloat display "\.\d\+\(e[-+]\=\d\+\)\=\>" "floating point number, without dot, with exponent syn match awkFloat display "\<\d\+e[-+]\=\d\+\>" syn case match "syn match awkIdentifier "\<[a-zA-Z_][a-zA-Z0-9_]*\>" " Arithmetic operators: +, and - take care of ++, and -- "syn match awkOperator "+\|-\|\*\|/\|%\|=" "syn match awkOperator "+=\|-=\|\*=\|/=\|%=" "syn match awkOperator "^\|^=" " Comparison expressions. "syn match awkExpression "==\|>=\|=>\|<=\|=<\|\!=" "syn match awkExpression "\~\|\!\~" "syn match awkExpression "?\|:" "syn keyword awkExpression in " Boolean Logic (OR, AND, NOT) "syn match awkBoolLogic "||\|&&\|\!" " This is overridden by less-than & greater-than. " Put this above those to override them. " Put this in a 'match "\<printf\=\>.*;\="' to make it not override " less/greater than (most of the time), but it won't work yet because " keywords allways have precedence over match & region. " File I/O: (print foo, bar > "filename") & for nawk (getline < "filename") "syn match awkFileIO contained ">" "syn match awkFileIO contained "<" " Expression separators: ';' and ',' syn match awkSemicolon ";" syn match awkComma "," syn match awkComment "#.*" contains=awkTodo syn match awkLineSkip "\\$" " Highlight array element's (recursive arrays allowed). " Keeps nested array names' separate from normal array elements. " Keeps numbers separate from normal array elements (variables). syn match awkArrayArray contained "[^][, \t]\+\["me=e-1 syn match awkArrayElement contained "[^][, \t]\+" syn region awkArray transparent start="\[" end="\]" contains=awkArray,awkArrayElement,awkArrayArray,awkNumber,awkFloat " 10 should be enough. " (for the few instances where it would be more than "oneline") syn sync ccomment awkArray maxlines=10 " define the default highlighting " For version 5.7 and earlier: only when not done already " For version 5.8 and later: only when an item doesn't have highlightling yet if version >= 508 || !exists("did_awk_syn_inits") if version < 508 let did_awk_syn_inits = 1 command -nargs=+ HiLink hi link <args> else command -nargs=+ HiLink hi def link <args> endif HiLink awkConditional Conditional HiLink awkFunction Function HiLink awkRepeat Repeat HiLink awkStatement Statement HiLink awkString String HiLink awkSpecialPrintf Special HiLink awkSpecialCharacter Special HiLink awkSearch String HiLink awkBrackets awkRegExp HiLink awkBrktRegExp awkNestRegExp HiLink awkCharClass awkNestRegExp HiLink awkNestRegExp Keyword HiLink awkRegExp Special HiLink awkNumber Number HiLink awkFloat Float HiLink awkFileIO Special "HiLink awkOperator Special "HiLink awkExpression Special HiLink awkBoolLogic Special HiLink awkPatterns Special HiLink awkVariables Special HiLink awkFieldVars Special HiLink awkLineSkip Special HiLink awkSemicolon Special HiLink awkComma Special "HiLink awkIdentifier Identifier HiLink awkComment Comment HiLink awkTodo Todo " Change this if you want nested array names to be highlighted. HiLink awkArrayArray awkArray HiLink awkArrayElement Special HiLink awkParenError awkError HiLink awkInParen awkError HiLink awkError Error delcommand HiLink endif let b:current_syntax = "awk" " vim: ts=8
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