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gf-core/next-lib/src/api/Symbolic.gf
2008-10-06 12:49:13 +00:00

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--1 Symbolic: Noun Phrases with mathematical symbols
incomplete resource Symbolic = open Symbol, Grammar in {
oper
symb : overload {
symb : Str -> NP ; -- x
symb : Integer -> NP ; -- 23
symb : Float -> NP ; -- 0.99
symb : N -> Digits -> NP ; -- level 4
symb : N -> Card -> NP ; -- level four
symb : CN -> Card -> NP ; -- advanced level four
symb : Det -> N -> Card -> NP ; -- the number four
symb : Det -> CN -> Card -> NP ; -- the even number four
symb : Det -> N -> Str -> Str -> NP ; -- the levels i and j
symb : Det -> CN -> [Symb] -> NP -- the basic levels i, j, and k
} ;
mkSymb : Str -> Symb ;
mkInteger : Predef.Int -> Integer ;
mkFloating : Predef.Float -> Floating ;
--.
symb = overload {
symb : Str -> NP
= \s -> UsePN (SymbPN (mkSymb s)) ;
symb : Integer -> NP
= \i -> UsePN (IntPN i) ;
symb : Floating -> NP
= \i -> UsePN (FloatPN i) ;
symb : N -> Digits -> NP
= \c,i -> CNNumNP (UseN c) (NumDigits i) ;
symb : N -> Card -> NP
= \c,n -> CNNumNP (UseN c) n ;
symb : CN -> Card -> NP
= \c,n -> CNNumNP c n ;
symb : Det -> N -> Card -> NP
= \d,n,x -> DetCN d (ApposCN (UseN n) (UsePN (NumPN x))) ;
symb : Det -> CN -> Card -> NP
= \d,n,x -> DetCN d (ApposCN n (UsePN (NumPN x))) ;
symb : Det -> N -> Str -> Str -> NP
= \c,n,x,y -> CNSymbNP c (UseN n) (BaseSymb (mkSymb x) (mkSymb y)) ;
symb : Det -> CN -> [Symb] -> NP
= CNSymbNP
} ;
mkSymb : Str -> Symb = \s -> {s = s ; lock_Symb = <>} ;
mkInteger i = {s = Predef.show Predef.Int i ; lock_Int = <>} ;
mkFloating f = {s = Predef.show Predef.Float f ; lock_Float = <>} ;
Integer : Type = {s : Str ; lock_Int : {}} ;
Floating : Type = {s : Str ; lock_Float : {}} ;
}