Add syntax files from upstream vim repository

syntax/sl.vim

@@ -0,0 +1,111 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1
+  
+" Vim syntax file
+" Language:	Renderman shader language
+" Maintainer:	Dan Piponi <dan@tanelorn.demon.co.uk>
+" Last Change:	2001 May 09
+
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+  finish
+endif
+
+" A bunch of useful Renderman keywords including special
+" RenderMan control structures
+syn keyword slStatement	break return continue
+syn keyword slConditional	if else
+syn keyword slRepeat		while for
+syn keyword slRepeat		illuminance illuminate solar
+
+syn keyword slTodo contained	TODO FIXME XXX
+
+" String and Character constants
+" Highlight special characters (those which have a backslash) differently
+syn match slSpecial contained	"\\[0-9][0-9][0-9]\|\\."
+syn region slString		start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=slSpecial
+syn match slCharacter		"'[^\\]'"
+syn match slSpecialCharacter	"'\\.'"
+syn match slSpecialCharacter	"'\\[0-9][0-9]'"
+syn match slSpecialCharacter	"'\\[0-9][0-9][0-9]'"
+
+"catch errors caused by wrong parenthesis
+syn region slParen		transparent start='(' end=')' contains=ALLBUT,slParenError,slIncluded,slSpecial,slTodo,slUserLabel
+syn match slParenError		")"
+syn match slInParen contained	"[{}]"
+
+"integer number, or floating point number without a dot and with "f".
+syn case ignore
+syn match slNumber		"\<[0-9]\+\(u\=l\=\|lu\|f\)\>"
+"floating point number, with dot, optional exponent
+syn match slFloat		"\<[0-9]\+\.[0-9]*\(e[-+]\=[0-9]\+\)\=[fl]\=\>"
+"floating point number, starting with a dot, optional exponent
+syn match slFloat		"\.[0-9]\+\(e[-+]\=[0-9]\+\)\=[fl]\=\>"
+"floating point number, without dot, with exponent
+syn match slFloat		"\<[0-9]\+e[-+]\=[0-9]\+[fl]\=\>"
+"hex number
+syn match slNumber		"\<0x[0-9a-f]\+\(u\=l\=\|lu\)\>"
+"syn match slIdentifier	"\<[a-z_][a-z0-9_]*\>"
+syn case match
+
+if exists("sl_comment_strings")
+  " A comment can contain slString, slCharacter and slNumber.
+  " But a "*/" inside a slString in a slComment DOES end the comment!  So we
+  " need to use a special type of slString: slCommentString, which also ends on
+  " "*/", and sees a "*" at the start of the line as comment again.
+  " Unfortunately this doesn't very well work for // type of comments :-(
+  syntax match slCommentSkip	contained "^\s*\*\($\|\s\+\)"
+  syntax region slCommentString	contained start=+"+ skip=+\\\\\|\\"+ end=+"+ end=+\*/+me=s-1 contains=slSpecial,slCommentSkip
+  syntax region slComment2String	contained start=+"+ skip=+\\\\\|\\"+ end=+"+ end="$" contains=slSpecial
+  syntax region slComment	start="/\*" end="\*/" contains=slTodo,slCommentString,slCharacter,slNumber
+else
+  syn region slComment		start="/\*" end="\*/" contains=slTodo
+endif
+syntax match slCommentError	"\*/"
+
+syn keyword slOperator	sizeof
+syn keyword slType		float point color string vector normal matrix void
+syn keyword slStorageClass	varying uniform extern
+syn keyword slStorageClass	light surface volume displacement transformation imager
+syn keyword slVariable	Cs Os P dPdu dPdv N Ng u v du dv s t
+syn keyword slVariable L Cl Ol E I ncomps time Ci Oi
+syn keyword slVariable Ps alpha
+syn keyword slVariable dtime dPdtime
+
+syn sync ccomment slComment minlines=10
+
+" Define the default highlighting.
+" Only when an item doesn't have highlighting yet
+
+hi def link slLabel	Label
+hi def link slUserLabel	Label
+hi def link slConditional	Conditional
+hi def link slRepeat	Repeat
+hi def link slCharacter	Character
+hi def link slSpecialCharacter slSpecial
+hi def link slNumber	Number
+hi def link slFloat	Float
+hi def link slParenError	slError
+hi def link slInParen	slError
+hi def link slCommentError	slError
+hi def link slOperator	Operator
+hi def link slStorageClass	StorageClass
+hi def link slError	Error
+hi def link slStatement	Statement
+hi def link slType		Type
+hi def link slCommentError	slError
+hi def link slCommentString slString
+hi def link slComment2String slString
+hi def link slCommentSkip	slComment
+hi def link slString	String
+hi def link slComment	Comment
+hi def link slSpecial	SpecialChar
+hi def link slTodo	Todo
+hi def link slVariable	Identifier
+"hi def link slIdentifier	Identifier
+
+
+let b:current_syntax = "sl"
+
+" vim: ts=8
+
+endif