Add syntax files from upstream vim repository

syntax/st.vim

@@ -0,0 +1,99 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1
+  
+" Vim syntax file
+" Language:	Smalltalk
+" Maintainer:	Arndt Hesse <hesse@self.de>
+" Last Change:	2012 Feb 12 by Thilo Six
+
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+  finish
+endif
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+" some Smalltalk keywords and standard methods
+syn keyword	stKeyword	super self class true false new not
+syn keyword	stKeyword	notNil isNil inspect out nil
+syn match	stMethod	"\<do\>:"
+syn match	stMethod	"\<whileTrue\>:"
+syn match	stMethod	"\<whileFalse\>:"
+syn match	stMethod	"\<ifTrue\>:"
+syn match	stMethod	"\<ifFalse\>:"
+syn match	stMethod	"\<put\>:"
+syn match	stMethod	"\<to\>:"
+syn match	stMethod	"\<at\>:"
+syn match	stMethod	"\<add\>:"
+syn match	stMethod	"\<new\>:"
+syn match	stMethod	"\<for\>:"
+syn match	stMethod	"\<methods\>:"
+syn match	stMethod	"\<methodsFor\>:"
+syn match	stMethod	"\<instanceVariableNames\>:"
+syn match	stMethod	"\<classVariableNames\>:"
+syn match	stMethod	"\<poolDictionaries\>:"
+syn match	stMethod	"\<subclass\>:"
+
+" the block of local variables of a method
+syn region stLocalVariables	start="^[ \t]*|" end="|"
+
+" the Smalltalk comment
+syn region stComment	start="\"" end="\""
+
+" the Smalltalk strings and single characters
+syn region stString	start='\'' skip="''" end='\''
+syn match  stCharacter	"$."
+
+syn case ignore
+
+" the symols prefixed by a '#'
+syn match  stSymbol	"\(#\<[a-z_][a-z0-9_]*\>\)"
+syn match  stSymbol	"\(#'[^']*'\)"
+
+" the variables in a statement block for loops
+syn match  stBlockVariable "\(:[ \t]*\<[a-z_][a-z0-9_]*\>[ \t]*\)\+|" contained
+
+" some representations of numbers
+syn match  stNumber	"\<\d\+\(u\=l\=\|lu\|f\)\>"
+syn match  stFloat	"\<\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\=\>"
+syn match  stFloat	"\<\d\+e[-+]\=\d\+[fl]\=\>"
+
+syn case match
+
+" a try to higlight paren mismatches
+syn region stParen	transparent start='(' end=')' contains=ALLBUT,stParenError
+syn match  stParenError	")"
+syn region stBlock	transparent start='\[' end='\]' contains=ALLBUT,stBlockError
+syn match  stBlockError	"\]"
+syn region stSet	transparent start='{' end='}' contains=ALLBUT,stSetError
+syn match  stSetError	"}"
+
+hi link stParenError stError
+hi link stSetError stError
+hi link stBlockError stError
+
+" synchronization for syntax analysis
+syn sync minlines=50
+
+" Define the default highlighting.
+" Only when an item doesn't have highlighting yet
+
+hi def link stKeyword		Statement
+hi def link stMethod		Statement
+hi def link stComment		Comment
+hi def link stCharacter		Constant
+hi def link stString		Constant
+hi def link stSymbol		Special
+hi def link stNumber		Type
+hi def link stFloat		Type
+hi def link stError		Error
+hi def link stLocalVariables	Identifier
+hi def link stBlockVariable	Identifier
+
+
+let b:current_syntax = "st"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+endif