" Language:    tags
" Maintainer:  Dr. Charles E. Campbell, Jr. <Charles.E.Campbell.1@gsfc.nasa.gov>
" Last Change: January 28, 1999

" For version 5.x: Clear all syntax items
" For version 6.x: Quit when a syntax file was already loaded
if version < 600
  syntax clear
elseif exists("b:current_syntax")
  finish
endif

syn match	tagName	"^[^\t]\+"		skipwhite	nextgroup=tagPath
syn match	tagPath	"[^\t]\+"	contained	skipwhite	nextgroup=tagAddr	contains=tagBaseFile
syn match	tagBaseFile	"[a-zA-Z_]\+[\.a-zA-Z_0-9]*\t"me=e-1		contained
syn match	tagAddr	"\d*"	contained skipwhite nextgroup=tagComment
syn region	tagAddr	matchgroup=tagDelim start="/" skip="\(\\\\\)*\\/" matchgroup=tagDelim end="$\|/" oneline contained skipwhite nextgroup=tagComment
syn match	tagComment	";.*$"	contained contains=tagField
syn match	tagComment	"^!_TAG_.*$"
syn match	tagField	contained "[a-z]*:"

" 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 highlighting yet
if version >= 508 || !exists("did_drchip_tags_inits")
  if version < 508
    let did_drchip_tags_inits = 1
    command -nargs=+ HiLink hi link <args>
  else
    command -nargs=+ HiLink hi def link <args>
  endif

  HiLink tagBaseFile	PreProc
  HiLink tagComment	Comment
  HiLink tagDelim	Delimiter
  HiLink tagField	Number
  HiLink tagName	Identifier
  HiLink tagPath	PreProc

  delcommand HiLink
endif

let b:current_syntax = "tags"

" vim: ts=12
