" Vim syntax file
" Language: Makeindex style file, *.ist
" Maintainer: Peter Meszaros <[email protected]>
" Last Change: 2012 Jan 08 by Thilo Six

" 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

let s:cpo_save = &cpo
set cpo&vim

if version >= 600
setlocal iskeyword=$,@,48-57,_
else
set iskeyword=$,@,48-57,_
endif

syn case ignore
syn keyword IstInpSpec actual arg_close arg_open encap escape
syn keyword IstInpSpec keyword level quote range_close range_open
syn keyword IstInpSpec page_compositor

syn keyword IstOutSpec preamble postamble setpage_prefix setpage_suffix group_skip
syn keyword IstOutSpec headings_flag heading_prefix heading_suffix
syn keyword IstOutSpec lethead_flag lethead_prefix lethead_suffix
syn keyword IstOutSpec symhead_positive symhead_negative numhead_positive numhead_negative
syn keyword IstOutSpec item_0 item_1 item_2 item_01
syn keyword IstOutSpec item_x1 item_12 item_x2
syn keyword IstOutSpec delim_0 delim_1 delim_2
syn keyword IstOutSpec delim_n delim_r delim_t
syn keyword IstOutSpec encap_prefix encap_infix encap_suffix
syn keyword IstOutSpec line_max indent_space indent_length
syn keyword IstOutSpec suffix_2p suffix_3p suffix_mp

syn region IstString matchgroup=IstDoubleQuote start=+"+ skip=+\\"+ end=+"+ contains=IstSpecial
syn match IstCharacter "'.'"
syn match IstNumber "\d\+"
syn match IstComment "^[\t ]*%.*$" contains=IstTodo
syn match IstSpecial "\\\\\|{\|}\|#\|\\n" contained
syn match IstTodo "DEBUG\|TODO" contained

" 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_dummy_syn_inits")
if version < 508
let did_dummy_syn_inits = 1
command -nargs=+ HiLink hi link <args>
else
command -nargs=+ HiLink hi def link <args>
endif

HiLink IstInpSpec Type
HiLink IstOutSpec Identifier
HiLink IstString String
HiLink IstNumber Number
HiLink IstComment Comment
HiLink IstTodo Todo
HiLink IstSpecial Special
HiLink IstDoubleQuote Label
HiLink IstCharacter Label

delcommand HiLink
endif

let b:current_syntax = "ist"

let &cpo = s:cpo_save
unlet s:cpo_save
" vim: ts=8 sw=2