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(*
Copyright (c) 2000
Cambridge University Technical Services Limited
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*)
(**********************************************************************
*
* Functor Application
*
**********************************************************************)
functor STRUCT_CONVERSIONALS (
structure CallWithConv : CallWithConvSig
structure Struct : StructSig
structure ForeignException : ForeignExceptionSig
structure LowerLevel : LowerLevelSig
sharing type CallWithConv.vol = Struct.vol = LowerLevel.vol
sharing Struct.Ctype = CallWithConv.Ctype = LowerLevel.Ctype
) : StructConversionalsSig =
struct
open Struct;
open CallWithConv;
open Ctype;
open ForeignException;
open LowerLevel;
exception Zip;
fun zip [] [] = []
| zip (x::xs) (y::ys) = (x,y) :: zip xs ys
| zip _ _ = raise Zip;
exception Break
fun break2 ts v = case break_struct ts v of [a,b] => (a,b) | _ => raise Break
fun break3 ts v = case break_struct ts v of [a,b,c] => (a,b,c) | _ => raise Break
fun break4 ts v = case break_struct ts v of [a,b,c,d] => (a,b,c,d) | _ => raise Break
fun break5 ts v = case break_struct ts v of [a,b,c,d,e] => (a,b,c,d,e) | _ => raise Break
fun break6 ts v = case break_struct ts v of [a,b,c,d,e,f] => (a,b,c,d,e,f) | _ => raise Break
fun break7 ts v = case break_struct ts v of [a,b,c,d,e,f,g] => (a,b,c,d,e,f,g) | _ => raise Break
fun break8 ts v = case break_struct ts v of [a,b,c,d,e,f,g,h] => (a,b,c,d,e,f,g,h) | _ => raise Break
fun break9 ts v = case break_struct ts v of [a,b,c,d,e,f,g,h,i] => (a,b,c,d,e,f,g,h,i) | _ => raise Break
fun STRUCT2 (c1,c2) =
let
val (from1,to1,ctype1) = breakConversion c1
val (from2,to2,ctype2) = breakConversion c2
val ctypes = [ctype1,ctype2]
fun from v =
let val (v1,v2) = break2 ctypes v
in (from1 v1,from2 v2)
end
fun to (a,b) = make_struct (zip ctypes [to1 a,to2 b])
in
mkConversion from to (Cstruct ctypes)
end
fun STRUCT3 (c1,c2,c3) =
let
val (from1,to1,ctype1) = breakConversion c1
val (from2,to2,ctype2) = breakConversion c2
val (from3,to3,ctype3) = breakConversion c3
val ctypes = [ctype1,ctype2,ctype3]
fun from v =
let val (v1,v2,v3) = break3 ctypes v
in (from1 v1,from2 v2,from3 v3)
end
fun to (a,b,c) = make_struct (zip ctypes [to1 a,to2 b,to3 c])
in
mkConversion from to (Cstruct ctypes)
end
fun STRUCT4 (c1,c2,c3,c4) =
let
val (from1,to1,ctype1) = breakConversion c1
val (from2,to2,ctype2) = breakConversion c2
val (from3,to3,ctype3) = breakConversion c3
val (from4,to4,ctype4) = breakConversion c4
val ctypes = [ctype1,ctype2,ctype3,ctype4]
fun from v =
let val (v1,v2,v3,v4) = break4 ctypes v
in (from1 v1,from2 v2,from3 v3,from4 v4)
end
fun to (a,b,c,d) = make_struct (zip ctypes [to1 a,to2 b,to3 c,to4 d])
in
mkConversion from to (Cstruct ctypes)
end
fun STRUCT5 (c1,c2,c3,c4,c5) =
let
val (from1,to1,ctype1) = breakConversion c1
val (from2,to2,ctype2) = breakConversion c2
val (from3,to3,ctype3) = breakConversion c3
val (from4,to4,ctype4) = breakConversion c4
val (from5,to5,ctype5) = breakConversion c5
val ctypes = [ctype1,ctype2,ctype3,ctype4,ctype5]
fun from v =
let val (v1,v2,v3,v4,v5) = break5 ctypes v
in (from1 v1,from2 v2,from3 v3,from4 v4,from5 v5)
end
fun to (a,b,c,d,e) = make_struct (zip ctypes [to1 a,to2 b,to3 c,to4 d,to5 e])
in
mkConversion from to (Cstruct ctypes)
end
fun STRUCT6 (c1,c2,c3,c4,c5,c6) =
let
val (from1,to1,ctype1) = breakConversion c1
val (from2,to2,ctype2) = breakConversion c2
val (from3,to3,ctype3) = breakConversion c3
val (from4,to4,ctype4) = breakConversion c4
val (from5,to5,ctype5) = breakConversion c5
val (from6,to6,ctype6) = breakConversion c6
val ctypes = [ctype1,ctype2,ctype3,ctype4,ctype5,ctype6]
fun from v =
let val (v1,v2,v3,v4,v5,v6) = break6 ctypes v
in (from1 v1,from2 v2,from3 v3,from4 v4,from5 v5,from6 v6)
end
fun to (a,b,c,d,e,f) = make_struct (zip ctypes [to1 a,to2 b,to3 c,to4 d,to5 e,to6 f])
in
mkConversion from to (Cstruct ctypes)
end
fun STRUCT7 (c1,c2,c3,c4,c5,c6,c7) =
let
val (from1,to1,ctype1) = breakConversion c1
val (from2,to2,ctype2) = breakConversion c2
val (from3,to3,ctype3) = breakConversion c3
val (from4,to4,ctype4) = breakConversion c4
val (from5,to5,ctype5) = breakConversion c5
val (from6,to6,ctype6) = breakConversion c6
val (from7,to7,ctype7) = breakConversion c7
val ctypes = [ctype1,ctype2,ctype3,ctype4,ctype5,ctype6,ctype7]
fun from v =
let val (v1,v2,v3,v4,v5,v6,v7) = break7 ctypes v
in (from1 v1,from2 v2,from3 v3,from4 v4,from5 v5,from6 v6,from7 v7)
end
fun to (a,b,c,d,e,f,g) = make_struct (zip ctypes [to1 a,to2 b,to3 c,to4 d,to5 e,to6 f,to7 g])
in
mkConversion from to (Cstruct ctypes)
end
fun STRUCT8 (c1,c2,c3,c4,c5,c6,c7,c8) =
let
val (from1,to1,ctype1) = breakConversion c1
val (from2,to2,ctype2) = breakConversion c2
val (from3,to3,ctype3) = breakConversion c3
val (from4,to4,ctype4) = breakConversion c4
val (from5,to5,ctype5) = breakConversion c5
val (from6,to6,ctype6) = breakConversion c6
val (from7,to7,ctype7) = breakConversion c7
val (from8,to8,ctype8) = breakConversion c8
val ctypes = [ctype1,ctype2,ctype3,ctype4,ctype5,ctype6,ctype7,ctype8]
fun from v =
let val (v1,v2,v3,v4,v5,v6,v7,v8) = break8 ctypes v
in (from1 v1,from2 v2,from3 v3,from4 v4,from5 v5,from6 v6,from7 v7,from8 v8)
end
fun to (a,b,c,d,e,f,g,h) = make_struct (zip ctypes [to1 a,to2 b,to3 c,to4 d,to5 e,to6 f,to7 g,to8 h])
in
mkConversion from to (Cstruct ctypes)
end
fun STRUCT9 (c1,c2,c3,c4,c5,c6,c7,c8,c9) =
let
val (from1,to1,ctype1) = breakConversion c1
val (from2,to2,ctype2) = breakConversion c2
val (from3,to3,ctype3) = breakConversion c3
val (from4,to4,ctype4) = breakConversion c4
val (from5,to5,ctype5) = breakConversion c5
val (from6,to6,ctype6) = breakConversion c6
val (from7,to7,ctype7) = breakConversion c7
val (from8,to8,ctype8) = breakConversion c8
val (from9,to9,ctype9) = breakConversion c9
val ctypes = [ctype1,ctype2,ctype3,ctype4,ctype5,ctype6,ctype7,ctype8,ctype9]
fun from v =
let val (v1,v2,v3,v4,v5,v6,v7,v8,v9) = break9 ctypes v
in (from1 v1,from2 v2,from3 v3,from4 v4,from5 v5,from6 v6,from7 v7,from8 v8,from9 v9)
end
fun to (a,b,c,d,e,f,g,h,i) = make_struct (zip ctypes [to1 a,to2 b,to3 c,to4 d,to5 e,to6 f,to7 g,to8 h,to9 i])
in
mkConversion from to (Cstruct ctypes)
end
fun FUNCTION0 () (cr: 'a Conversion) =
let
val (_, tor, ctyper) = breakConversion cr (* Convert the result type. *)
fun from _ = raise Foreign "Conversion from C function to ML function is not implemented"
(* Construct a wrapper function. The argument is ignored and the result is converted into a vol.*)
fun convF f _ = tor(f())
fun to (f: unit->'a) : vol = toCfunction [] ctyper (convF f)
in
mkConversion from to (Cfunction ([], ctyper))
end;
fun PASCALFUNCTION0 () cr =
let
val (_, tor, ctyper) = breakConversion cr (* Convert the result type. *)
fun from _ = raise Foreign "Conversion from C function to ML function is not implemented"
fun convF f _ = tor(f())
fun to f = toPascalfunction [] ctyper (convF f)
in
mkConversion from to (Cfunction ([], ctyper))
end;
fun FUNCTION1 c1 cr =
let
val (from1,_,ctype1) = breakConversion c1
val (_,tor,ctyper) = breakConversion cr
fun from _ = raise Foreign "Conversion from C function to ML function is not implemented"
(* The wrapper function. We need a single argument. *)
fun convF f [a] = tor(f(from1 a))
| convF _ _ = raise Union.Never "arg mismatch"
fun to f : vol = toCfunction [ctype1] ctyper (convF f)
in
mkConversion from to (Cfunction ([ctype1], ctyper))
end;
fun PASCALFUNCTION1 c1 cr =
let
val (from1,_,ctype1) = breakConversion c1
val (_,tor,ctyper) = breakConversion cr
fun from _ = raise Foreign "Conversion from C function to ML function is not implemented"
fun convF f [a] = tor(f(from1 a))
| convF _ _ = raise Union.Never "arg mismatch"
fun to f : vol = toPascalfunction [ctype1] ctyper (convF f)
in
mkConversion from to (Cfunction ([ctype1], ctyper))
end;
fun FUNCTION2 (c1, c2) cr =
let
val (from1,_,ctype1) = breakConversion c1
val (from2,_,ctype2) = breakConversion c2
val (_,tor,ctyper) = breakConversion cr
fun from _ = raise Foreign "Conversion from C function to ML function is not implemented"
fun convF f [a,b] = tor(f(from1 a, from2 b))
| convF _ _ = raise Union.Never "arg mismatch"
fun to f = toCfunction [ctype1, ctype2] ctyper (convF f)
in
mkConversion from to (Cfunction ([ctype1, ctype2], ctyper))
end;
fun PASCALFUNCTION2 (c1, c2) cr =
let
val (from1,_,ctype1) = breakConversion c1
val (from2,_,ctype2) = breakConversion c2
val (_,tor,ctyper) = breakConversion cr
fun from _ = raise Foreign "Conversion from C function to ML function is not implemented"
fun convF f [a,b] = tor(f(from1 a, from2 b))
| convF _ _ = raise Union.Never "arg mismatch"
fun to f = toPascalfunction [ctype1, ctype2] ctyper (convF f)
in
mkConversion from to (Cfunction ([ctype1, ctype2], ctyper))
end;
fun FUNCTION3 (c1, c2, c3) cr =
let
val (from1,_,ctype1) = breakConversion c1
val (from2,_,ctype2) = breakConversion c2
val (from3,_,ctype3) = breakConversion c3
val (_,tor,ctyper) = breakConversion cr
fun from _ = raise Foreign "Conversion from C function to ML function is not implemented"
fun convF f [a,b,c] = tor(f(from1 a, from2 b, from3 c))
| convF _ _ = raise Union.Never "arg mismatch"
fun to f = toCfunction [ctype1, ctype2, ctype3] ctyper (convF f)
in
mkConversion from to (Cfunction ([ctype1, ctype2, ctype3], ctyper))
end;
fun PASCALFUNCTION3 (c1, c2, c3) cr =
let
val (from1,_,ctype1) = breakConversion c1
val (from2,_,ctype2) = breakConversion c2
val (from3,_,ctype3) = breakConversion c3
val (_,tor,ctyper) = breakConversion cr
fun from _ = raise Foreign "Conversion from C function to ML function is not implemented"
fun convF f [a,b,c] = tor(f(from1 a, from2 b, from3 c))
| convF _ _ = raise Union.Never "arg mismatch"
fun to f = toPascalfunction [ctype1, ctype2, ctype3] ctyper (convF f)
in
mkConversion from to (Cfunction ([ctype1, ctype2, ctype3], ctyper))
end;
fun FUNCTION4 (c1, c2, c3, c4) cr =
let
val (from1,_,ctype1) = breakConversion c1
val (from2,_,ctype2) = breakConversion c2
val (from3,_,ctype3) = breakConversion c3
val (from4,_,ctype4) = breakConversion c4
val (_,tor,ctyper) = breakConversion cr
fun from _ = raise Foreign "Conversion from C function to ML function is not implemented"
fun convF f [a,b,c,d] = tor(f(from1 a, from2 b, from3 c, from4 d))
| convF _ _ = raise Union.Never "arg mismatch"
fun to f = toCfunction [ctype1, ctype2, ctype3, ctype4] ctyper (convF f)
in
mkConversion from to (Cfunction ([ctype1, ctype2, ctype3, ctype4], ctyper))
end;
fun PASCALFUNCTION4 (c1, c2, c3, c4) cr =
let
val (from1,_,ctype1) = breakConversion c1
val (from2,_,ctype2) = breakConversion c2
val (from3,_,ctype3) = breakConversion c3
val (from4,_,ctype4) = breakConversion c4
val (_,tor,ctyper) = breakConversion cr
fun from _ = raise Foreign "Conversion from C function to ML function is not implemented"
fun convF f [a,b,c,d] = tor(f(from1 a, from2 b, from3 c, from4 d))
| convF _ _ = raise Union.Never "arg mismatch"
fun to f = toPascalfunction [ctype1, ctype2, ctype3, ctype4] ctyper (convF f)
in
mkConversion from to (Cfunction ([ctype1, ctype2, ctype3, ctype4], ctyper))
end;
(*
val FUNCTION : 'a Conversion * 'b Conversion -> ( 'a -> 'b ) Conversion
val PASCALFUNCTION : 'a Conversion * 'b Conversion -> ( 'a -> 'b ) Conversion *)
end (* struct *)
|
