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https://github.com/Mercury-Language/mercury.git
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ecb5e4a9e6
tests/declarative_debugger/*.m:
tests/exceptions/*.m:
tests/general/*.m:
tests/grade_subdirs/*.m:
tests/purity/*.m:
tests/submodules/*.m:
tests/typeclasses/*.m:
Update programming style.
tests/declarative_debugger/*.inp:
Update line numbers in breakpoint commands.
tests/declarative_debugger/*.exp:
Update expected line numbers.
tests/exceptions/Mercury.options:
tests/general/Mercury.options:
Disable some warnings that are irrelevant to the test.
92 lines
1.8 KiB
Mathematica
92 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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%
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% Test for bugs in the handling of purity by the optimization passes.
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:- module purity_opt.
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:- interface.
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:- import_module io.
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:- impure 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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:- import_module std_util.
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main(!IO) :-
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( if impure test1(1), impure test1(2), impure test1(3) then
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semipure get(C1),
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io.write_int(C1, !IO),
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io.nl(!IO)
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else
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error("test1 failed")
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).
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:- impure pred test1(int::in) is semidet.
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:- pragma no_inline(test1/1).
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test1(X) :-
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(
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impure incr(_),
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fail
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;
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true
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),
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( if X > 1 then
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Z = X - 1
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else
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Z = 3
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),
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Z < 4.
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:- pragma foreign_decl("C", "int counter;").
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:- pragma foreign_code("C", "int counter = 1;").
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:- pragma foreign_code("C#", "static int counter = 1;").
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:- pragma foreign_code("Java", "static int counter = 1;").
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:- impure pred incr(int::out) is det.
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:- pragma foreign_proc("C",
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incr(Val::out),
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[will_not_call_mercury],
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"
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counter++; Val = counter;
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").
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:- pragma foreign_proc("C#",
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incr(Val::out),
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[will_not_call_mercury],
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"
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counter++; Val = counter;
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").
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:- pragma foreign_proc("Java",
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incr(Val::out),
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[will_not_call_mercury],
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"
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counter++; Val = counter;
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").
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:- semipure pred get(int::out) is det.
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:- pragma foreign_proc("C",
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get(Val::out),
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[will_not_call_mercury, promise_semipure],
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"
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Val = counter
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").
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:- pragma foreign_proc("C#",
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get(Val::out),
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[will_not_call_mercury, promise_semipure],
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"
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Val = counter;
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").
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:- pragma foreign_proc("Java",
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get(Val::out),
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[will_not_call_mercury, promise_semipure],
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"
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Val = counter;
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").
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