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" Language: ampl (A Mathematical Programming Language)
" Maintainer: Krief David <david.krief@etu.enseeiht.fr> or <david_krief@hotmail.com>
" Last Change: 2003 May 11
" quit when a syntax file was already loaded
if exists("b:current_syntax")
finish
endif
"--
syn match amplEntityKeyword "\(subject to\)\|\(subj to\)\|\(s\.t\.\)"
syn keyword amplEntityKeyword minimize maximize objective
syn keyword amplEntityKeyword coeff coef cover obj default
syn keyword amplEntityKeyword from to to_come net_in net_out
syn keyword amplEntityKeyword dimen dimension
"--
syn keyword amplType integer binary set param var
syn keyword amplType node ordered circular reversed symbolic
syn keyword amplType arc
"--
syn keyword amplStatement check close \display drop include
syn keyword amplStatement print printf quit reset restore
syn keyword amplStatement solve update write shell model
syn keyword amplStatement data option let solution fix
syn keyword amplStatement unfix end function pipe format
"--
syn keyword amplConditional if then else and or
syn keyword amplConditional exists forall in not within
"--
syn keyword amplRepeat while repeat for
"--
syn keyword amplOperators union diff difference symdiff sum
syn keyword amplOperators inter intersect intersection cross setof
syn keyword amplOperators by less mod div product
"syn keyword amplOperators min max
"conflict between functions max, min and operators max, min
syn match amplBasicOperators "||\|<=\|==\|\^\|<\|=\|!\|-\|\.\.\|:="
syn match amplBasicOperators "&&\|>=\|!=\|\*\|>\|:\|/\|+\|\*\*"
"--
syn match amplComment "\#.*"
syn region amplComment start=+\/\*+ end=+\*\/+
syn region amplStrings start=+\'+ skip=+\\'+ end=+\'+
syn region amplStrings start=+\"+ skip=+\\"+ end=+\"+
syn match amplNumerics "[+-]\=\<\d\+\(\.\d\+\)\=\([dDeE][-+]\=\d\+\)\=\>"
syn match amplNumerics "[+-]\=Infinity"
"--
syn keyword amplSetFunction card next nextw prev prevw
syn keyword amplSetFunction first last member ord ord0
syn keyword amplBuiltInFunction abs acos acosh alias asin
syn keyword amplBuiltInFunction asinh atan atan2 atanh ceil
syn keyword amplBuiltInFunction cos exp floor log log10
syn keyword amplBuiltInFunction max min precision round sin
syn keyword amplBuiltInFunction sinh sqrt tan tanh trunc
syn keyword amplRandomGenerator Beta Cauchy Exponential Gamma Irand224
syn keyword amplRandomGenerator Normal Poisson Uniform Uniform01
"-- to highlight the 'dot-suffixes'
syn match amplDotSuffix "\h\w*\.\(lb\|ub\)"hs=e-2
syn match amplDotSuffix "\h\w*\.\(lb0\|lb1\|lb2\|lrc\|ub0\)"hs=e-3
syn match amplDotSuffix "\h\w*\.\(ub1\|ub2\|urc\|val\|lbs\|ubs\)"hs=e-3
syn match amplDotSuffix "\h\w*\.\(init\|body\|dinit\|dual\)"hs=e-4
syn match amplDotSuffix "\h\w*\.\(init0\|ldual\|slack\|udual\)"hs=e-5
syn match amplDotSuffix "\h\w*\.\(lslack\|uslack\|dinit0\)"hs=e-6
"--
syn match amplPiecewise "<<\|>>"
"-- Todo.
syn keyword amplTodo contained TODO FIXME XXX
" The default methods for highlighting. Can be overridden later.
hi def link amplEntityKeyword Keyword
hi def link amplType Type
hi def link amplStatement Statement
hi def link amplOperators Operator
hi def link amplBasicOperators Operator
hi def link amplConditional Conditional
hi def link amplRepeat Repeat
hi def link amplStrings String
hi def link amplNumerics Number
hi def link amplSetFunction Function
hi def link amplBuiltInFunction Function
hi def link amplRandomGenerator Function
hi def link amplComment Comment
hi def link amplDotSuffix Special
hi def link amplPiecewise Special
let b:current_syntax = "ampl"
" vim: ts=8
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