" Vim syntax file
" Language:	Renderman Interface Bytestream
" Maintainer:	Andrew Bromage <ajb@spamcop.net>
" Last Change:	2003 May 11
"

" quit when a syntax file was already loaded
if 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


hi def link ribStructure		Structure
hi def link ribCommand		Statement

hi def link ribStructureComment	SpecialComment
hi def link ribLineComment		Comment

hi def link ribString		String
hi def link ribNumber		Number
hi def link ribFloat		Float


let b:current_syntax = "rib"

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