" Vim syntax file
" Language:	TXL
" Author: Adrian Thurston <adriant@ragel.ca>
"
" Based on sytax file written by Jim Cordy <cordy@cs.queensu.ca>

syn clear

" Anything preprocessor
syntax match txlPreprocessor "^[\t ]*#.*$"

" Comments
syn match txlComment		"%.*$"

" Keywords
syn keyword txlKeyword 		assert end keys define redefine repeat list opt rule function 
syn keyword txlKeyword		external replace by match skipping construct deconstruct 
syn keyword txlKeyword		where not include comments compounds tokens all attr
syn keyword txlKeyword		import export each 

" New Keywords
syn keyword txlKeyword		type if then else forward must module public using case alt do

" Formatting tokens
syn match txlFormat			"\[NL\]" 
syn match txlFormat			"\[IN\]" 
syn match txlFormat			"\[IN_[1-9][0-9]*\]" 
syn match txlFormat			"\[EX\]" 
syn match txlFormat			"\[EX_[1-9][0-9]*\]" 
syn match txlFormat			"\[SP\]" 
syn match txlFormat			"\[SP_[1-9][0-9]*\]" 
syn match txlFormat			"\[TAB\]" 
syn match txlFormat			"\[TAB_[1-9][0-9]*\]" 
syn match txlFormat			"\[SPOFF\]" 
syn match txlFormat			"\[SPON\]" 
syn match txlFormat			"\[KEEP\]" 


" Literal values
syn match txlLiteral		"'[^ \t"'][^ \t"'\[\]]*"	" quoted literal symbol
syn match txlLiteral		"''\(\\.\|[^']\)*'"			" quoted charlit
syn match txlLiteral		"'\"\(\\.\|[^"]\)*\""		" quoted stringlit
syn match txlLiteral		"\"\(\\.\|[^"]\)*\""		" unquoted stringlit
syn match txlLiteral		"\<\d\+\(.\d\+\)\=\([Ee][+-]\=\d\+\)\=\>"	" unquoted number

hi link txlKeyword Keyword
hi link txlComment Comment
hi txlFormat ctermfg=DarkGreen guifg=DarkGreen
hi link txlLiteral String
hi link txlPreprocessor Macro