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83 lines
1.9 KiB
Mathematica
83 lines
1.9 KiB
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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%
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% The mercury compiler from 2003-12-01 generated uncompilable il code for this
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% test case.
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:- module external_unification_pred.
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:- interface.
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:- import_module io.
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:- pred main(io::di, io::uo) is det.
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:- implementation.
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:- module external_unification_pred.sub.
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:- interface.
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:- type ft.
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:- func create_ft(int) = ft.
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:- implementation.
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:- pragma foreign_type(c, ft, "int") where equality is unify_ft.
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:- pragma foreign_type("C#", ft, "int") where equality is unify_ft.
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:- pragma foreign_type(java, ft, "Integer") where equality is unify_ft.
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:- pred unify_ft(ft::in, ft::in) is semidet.
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:- pragma foreign_proc("C",
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unify_ft(X::in, Y::in),
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[promise_pure],
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"
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SUCCESS_INDICATOR = (X == Y);
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").
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:- pragma foreign_proc("C#",
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unify_ft(X::in, Y::in),
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[promise_pure],
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"
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SUCCESS_INDICATOR = (X == Y);
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").
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:- pragma foreign_proc("Java",
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unify_ft(X::in, Y::in),
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[promise_pure],
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"
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SUCCESS_INDICATOR = (X == Y);
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").
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:- pragma foreign_proc("C",
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create_ft(X::in) = (Y::out),
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[promise_pure],
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"
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Y = X;
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").
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:- pragma foreign_proc("C#",
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create_ft(X::in) = (Y::out),
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[promise_pure],
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"
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Y = X;
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").
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:- pragma foreign_proc("Java",
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create_ft(X::in) = (Y::out),
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[promise_pure],
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"
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Y = X;
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").
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:- end_module external_unification_pred.sub.
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:- import_module external_unification_pred.sub.
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main(!IO) :-
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X = create_ft(1),
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Y = create_ft(2),
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( if X = Y then
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io.write_string("true.\n", !IO)
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else
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io.write_string("false.\n", !IO)
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).
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:- end_module external_unification_pred.
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