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simple source language for compiler experiment
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31
devel/compiler/ex.src
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31
devel/compiler/ex.src
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param Num = Sg | Pl ;
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param Gen = Masc | Fem ;
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oper Agr = {g : Gen ; n : Num} ;
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oper CN = {s : Num -> Str ; g : Gen} ;
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oper NP = {s : Str ; a : Agr} ;
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oper artDef : Gen -> Str = \g -> table {
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(Masc) => "le" ;
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(Fem) => "la"
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} ! g ;
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lin Voiture : CN = {
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s = table {
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(Sg) => "voiture" ;
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(Pl) => "voitures"
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} ;
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g = Fem
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} ;
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lin Bus : CN = {
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s = table {$x => "bus"} ;
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g = Masc
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} ;
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lin Def : CN -> NP = \cn -> {
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s = artDef cn.g ++ cn.s ! Sg ;
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a = {g = cn.g ; n = Sg}
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} ;
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