" Vim syntax file
" Language: Renderman Interface Bytestream
" Maintainer: Andrew Bromage <[email protected]>
" Last Change: 2003 May 11
"

" Remove any old syntax stuff hanging around
if version < 600
syn clear
elseif exists("b:current_syntax")
finish
endif

syn case match

" Comments
syn match ribLineComment "#.*$"
syn match ribStructureComment "##.*$"

syn case ignore
syn match ribCommand /[A-Z][a-zA-Z]*/
syn case match

syn region ribString start=/"/ skip=/\\"/ end=/"/

syn match ribStructure "[A-Z][a-zA-Z]*Begin\>\|[A-Z][a-zA-Z]*End"
syn region ribSectionFold start="FrameBegin" end="FrameEnd" fold transparent keepend extend
syn region ribSectionFold start="WorldBegin" end="WorldEnd" fold transparent keepend extend
syn region ribSectionFold start="TransformBegin" end="TransformEnd" fold transparent keepend extend
syn region ribSectionFold start="AttributeBegin" end="AttributeEnd" fold transparent keepend extend
syn region ribSectionFold start="MotionBegin" end="MotionEnd" fold transparent keepend extend
syn region ribSectionFold start="SolidBegin" end="SolidEnd" fold transparent keepend extend
syn region ribSectionFold start="ObjectBegin" end="ObjectEnd" fold transparent keepend extend

syn sync fromstart

"integer number, or floating point number without a dot and with "f".
syn case ignore
syn match ribNumbers display transparent "[-]\=\<\d\|\.\d" contains=ribNumber,ribFloat
syn match ribNumber display contained "[-]\=\d\+\>"
"floating point number, with dot, optional exponent
syn match ribFloat display contained "[-]\=\d\+\.\d*\(e[-+]\=\d\+\)\="
"floating point number, starting with a dot, optional exponent
syn match ribFloat display contained "[-]\=\.\d\+\(e[-+]\=\d\+\)\=\>"
"floating point number, without dot, with exponent
syn match ribFloat display contained "[-]\=\d\+e[-+]\d\+\>"
syn case match

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

HiLink ribStructure Structure
HiLink ribCommand Statement

HiLink ribStructureComment SpecialComment
HiLink ribLineComment Comment

HiLink ribString String
HiLink ribNumber Number
HiLink ribFloat Float

delcommand HiLink
end


let b:current_syntax = "rib"

" Options for vi: ts=8 sw=2 sts=2 nowrap noexpandtab ft=vim