" Vim syntax file
" Language: LOTOS (Language Of Temporal Ordering Specifications, IS8807)
" Maintainer: Daniel Amyot <damyot@csi.uottawa.ca>
" Last Change: Wed Aug 19 1998
" URL: http://lotos.csi.uottawa.ca/~damyot/vim/lotos.vim
" This file is an adaptation of pascal.vim by Mario Eusebio
" I'm not sure I understand all of the syntax highlight language,
" but this file seems to do the job for standard LOTOS.
" quit when a syntax file was already loaded
if exists("b:current_syntax")
finish
endif
syn case ignore
"Comments in LOTOS are between (* and *)
syn region lotosComment start="(\*" end="\*)" contains=lotosTodo
"Operators [], [...], >>, ->, |||, |[...]|, ||, ;, !, ?, :, =, ,, :=
syn match lotosDelimiter "[][]"
syn match lotosDelimiter ">>"
syn match lotosDelimiter "->"
syn match lotosDelimiter "\[>"
syn match lotosDelimiter "[|;!?:=,]"
"Regular keywords
syn keyword lotosStatement specification endspec process endproc
syn keyword lotosStatement where behaviour behavior
syn keyword lotosStatement any let par accept choice hide of in
syn keyword lotosStatement i stop exit noexit
"Operators from the Abstract Data Types in IS8807
syn keyword lotosOperator eq ne succ and or xor implies iff
syn keyword lotosOperator not true false
syn keyword lotosOperator Insert Remove IsIn NotIn Union Ints
syn keyword lotosOperator Minus Includes IsSubsetOf
syn keyword lotosOperator lt le ge gt 0
"Sorts in IS8807
syn keyword lotosSort Boolean Bool FBoolean FBool Element
syn keyword lotosSort Set String NaturalNumber Nat HexString
syn keyword lotosSort HexDigit DecString DecDigit
syn keyword lotosSort OctString OctDigit BitString Bit
syn keyword lotosSort Octet OctetString
"Keywords for ADTs
syn keyword lotosType type endtype library endlib sorts formalsorts
syn keyword lotosType eqns formaleqns opns formalopns forall ofsort is
syn keyword lotosType for renamedby actualizedby sortnames opnnames
syn keyword lotosType using
syn sync lines=250
" Define the default highlighting.
" Only when an item doesn't have highlighting yet
hi def link lotosStatement Statement
hi def link lotosProcess Label
hi def link lotosOperator Operator
hi def link lotosSort Function
hi def link lotosType Type
hi def link lotosComment Comment
hi def link lotosDelimiter String
let b:current_syntax = "lotos"
" vim: ts=8
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