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1c8eece402
tests/hard_coded/backend_external.m:
tests/hard_coded/backend_external_pred.m:
tests/hard_coded/c_write_string.m:
tests/hard_coded/ee_dummy.m:
tests/hard_coded/pragma_c_code.m:
tests/hard_coded/pragma_foreign_export.m:
tests/hard_coded/target_mlobjs.m:
tests/hard_coded/type_tables.m:
tests/submodules/sm_exp_bug.m:
Use don't-care variables to handle the I/O state in foreign procs.
Assigning the I/O state at the end of the foreign_proc body results
in spurious warnings about uninitialized variables from MSVC.
91 lines
2.8 KiB
Mathematica
91 lines
2.8 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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% Check that foreign_export_enum for dummy types works.
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%
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:- module ee_dummy.
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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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:- import_module bool.
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:- type dummy_type
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---> dummy_type.
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:- type poly_dummy_type(T)
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---> poly_dummy_type.
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:- pragma foreign_export_enum("C", dummy_type/0, [prefix("FOO_")]).
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:- pragma foreign_export_enum("C", poly_dummy_type/1, [prefix("BAR_")]).
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:- pragma foreign_export_enum("C#", dummy_type/0, [prefix("FOO_")]).
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:- pragma foreign_export_enum("C#", poly_dummy_type/1, [prefix("BAR_")]).
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:- pragma foreign_export_enum("Java", dummy_type/0, [prefix("FOO_")]).
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:- pragma foreign_export_enum("Java", poly_dummy_type/1, [prefix("BAR_")]).
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main(!IO) :-
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check_dummy_type(dummy_type, DummyTypeSucceeded, !IO),
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(
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DummyTypeSucceeded = yes,
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io.write_string("FOO_dummy_type exists.\n", !IO)
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;
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DummyTypeSucceeded = no,
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io.write_string("FOO_dummy_type does not exist\n", !IO)
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),
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check_poly_dummy_type(poly_dummy_type, PolyDummyTypeSucceeded, !IO),
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(
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PolyDummyTypeSucceeded = yes,
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io.write_string("BAR_poly_dummy_type exists.\n", !IO)
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;
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PolyDummyTypeSucceeded = no,
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io.write_string("BAR_poly_dummy_type does not exist\n", !IO)
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).
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:- pred check_dummy_type(dummy_type::in, bool::out, io::di, io::uo) is det.
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:- pragma foreign_proc("C",
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check_dummy_type(X::in, Result::out, _IO0::di, _IO::uo),
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[will_not_call_mercury, promise_pure],
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"
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Result = (X == FOO_dummy_type) ? MR_YES : MR_NO;
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").
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:- pragma foreign_proc("C#",
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check_dummy_type(X::in, Result::out, _IO0::di, _IO::uo),
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[will_not_call_mercury, promise_pure],
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"
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Result = (X == FOO_dummy_type) ? mr_bool.YES : mr_bool.NO;
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").
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:- pragma foreign_proc("Java",
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check_dummy_type(X::in, Result::out, _IO0::di, _IO::uo),
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[will_not_call_mercury, promise_pure],
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"
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Result = (X == FOO_dummy_type) ? bool.YES : bool.NO;
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").
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:- pred check_poly_dummy_type(poly_dummy_type(dummy_type)::in, bool::out,
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io::di, io::uo) is det.
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:- pragma foreign_proc("C",
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check_poly_dummy_type(X::in, Result::out, _IO0::di, _IO::uo),
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[will_not_call_mercury, promise_pure],
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"
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Result = (X == BAR_poly_dummy_type) ? MR_YES : MR_NO;
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").
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:- pragma foreign_proc("C#",
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check_poly_dummy_type(X::in, Result::out, _IO0::di, _IO::uo),
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[will_not_call_mercury, promise_pure],
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"
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Result = (X == BAR_poly_dummy_type) ? mr_bool.YES : mr_bool.NO;
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").
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:- pragma foreign_proc("Java",
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check_poly_dummy_type(X::in, Result::out, _IO0::di, _IO::uo),
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[will_not_call_mercury, promise_pure],
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"
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Result = (X == BAR_poly_dummy_type) ? bool.YES : bool.NO;
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").
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