mirror of
https://github.com/Mercury-Language/mercury.git
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88047bbb45
tests/general/float_test.exp3:
tests/general/float_test.m:
tests/general/read_dir_regression.exp4:
tests/general/read_dir_regression.m:
tests/hard_coded/remove_file.exp2:
tests/hard_coded/remove_file.m:
Delete Erlang backend specific expected outputs.
tests/hard_coded/Mmakefile:
tests/hard_coded/erlang_deconstruct.exp:
tests/hard_coded/erlang_deconstruct.m:
tests/hard_coded/existential_list.exp:
tests/hard_coded/existential_list.m:
tests/valid/Mmakefile:
tests/valid/erl_ite_vars.m:
tests/valid/zf_erlang_bug.m:
Delete erlang target specific tests.
tests/*:
Delete Erlang foreign procs and foreign types.
73 lines
1.8 KiB
Mathematica
73 lines
1.8 KiB
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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:- module impure_prune.
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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 int.
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:- import_module require.
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:- pragma promise_pure(main/2).
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main(!IO) :-
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( if impure do_impure_stuff, fail then
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error("not reached")
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else
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semipure get_counter(X),
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print("X = ", !IO), print(X, !IO), nl(!IO)
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).
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:- impure pred do_impure_stuff is multi.
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do_impure_stuff :-
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impure bump_counter.
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do_impure_stuff :-
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impure bump_counter.
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do_impure_stuff :-
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impure bump_counter.
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:- impure pred bump_counter is det.
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bump_counter :-
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semipure get_counter(X),
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impure set_counter(X + 1).
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:- semipure pred get_counter(int::out) is det.
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:- impure pred set_counter(int::in) is det.
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:- pragma foreign_decl("C", "extern MR_Integer counter;").
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:- pragma foreign_code("C", "MR_Integer counter = 0;").
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:- pragma foreign_proc("C",
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get_counter(X::out),
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[will_not_call_mercury, promise_semipure],
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"
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X = counter;
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").
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:- pragma foreign_proc("C",
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set_counter(X::in),
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[will_not_call_mercury],
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"
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counter = X;
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").
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:- pragma foreign_code("C#", "static int counter = 0;").
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:- pragma foreign_proc("C#",
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get_counter(X::out),
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[will_not_call_mercury, promise_semipure],
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"
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X = counter;
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").
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:- pragma foreign_proc("C#", set_counter(X::in), [], "counter = X;").
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:- pragma foreign_code("Java", "static int counter = 0;").
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:- pragma foreign_proc("Java",
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get_counter(X::out),
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[will_not_call_mercury, promise_semipure],
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"
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X = counter;
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").
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:- pragma foreign_proc("Java", set_counter(X::in), [], "counter = X;").
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