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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.
227 lines
3.5 KiB
Mathematica
227 lines
3.5 KiB
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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:- module output_term_dep.
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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 list.
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main -->
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% Test cases which track an output subterm.
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test1, % basic det conjunction
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test2, % construction unification
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test3, % if-then-else
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test4, % switch and disjunction
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test5. % negation
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%---------------------------------------------------------------------------%
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:- pred test1(io::di, io::uo) is det.
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test1(!IO) :-
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p(A, B, C),
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io.write_int(A, !IO),
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io.nl(!IO),
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io.write_int(B, !IO),
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io.nl(!IO),
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io.write_int(C, !IO),
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io.nl(!IO).
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:- pred p(int::out, int::out, int::out) is det.
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p(A, B, C) :- % tracking subterm B
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pa(A),
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pb(B),
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pc(C).
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:- pred pa(int::out) is det.
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pa(5).
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:- pred pb(int::out) is det.
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pb(8).
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:- pred pc(int::out) is det.
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pc(13).
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%---------------------------------------------------------------------------%
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:- pred test2(io::di, io::uo) is det.
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test2(!IO) :-
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q(X),
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io.write_line(X, !IO).
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:- pred q(list(list(int))::out) is det.
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q([A, B, C]) :- % tracking subterm B
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qa(A),
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qb(B),
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qc(C).
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:- pred qa(list(int)::out) is det.
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qa([1, 2, 3]).
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:- pred qb(list(int)::out) is det.
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qb([]).
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:- pred qc(list(int)::out) is det.
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qc([99]).
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%---------------------------------------------------------------------------%
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:- pred test3(io::di, io::uo) is det.
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test3(!IO) :-
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r(1, W),
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io.write_line(W, !IO),
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r(2, X),
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io.write_line(X, !IO),
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r(3, Y),
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io.write_line(Y, !IO),
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r(4, Z),
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io.write_line(Z, !IO).
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:- pred r(int, int).
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:- mode r(in, out) is det.
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r(N, P) :-
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(
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N = 1
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->
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P = 999
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;
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ra(N)
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->
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(
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rb(N)
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->
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rc(P)
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;
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P = 43
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)
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;
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rd(P)
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).
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:- pred ra(int::in) is semidet.
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ra(2).
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ra(3).
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:- pred rb(int::in) is semidet.
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rb(3).
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:- pred rc(int::out) is det.
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rc(57).
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:- pred rd(int::out) is det.
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rd(-1).
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%---------------------------------------------------------------------------%
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:- pred test4(io::di, io::uo) is det.
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test4(!IO) :-
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( if
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s(1, _, X),
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sd(X)
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then
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io.write_string("yes\n", !IO)
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else
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io.write_string("no\n", !IO)
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),
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( if
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s(2, _, Y),
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sd(Y)
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then
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io.write_string("yes\n", !IO)
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else
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io.write_string("no\n", !IO)
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).
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:- pred s(int, int, int).
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:- mode s(in, out, out) is nondet.
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s(1, J, K) :-
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(
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sa(J)
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;
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sb(J)
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),
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(
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sa(K)
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;
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sc(K)
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).
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s(2, J, K) :-
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(
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sa(J),
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sb(K)
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;
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sb(J),
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sc(K)
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).
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:- pred sa(int::out) is det.
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sa(7).
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:- pred sb(int::out) is det.
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sb(38).
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:- pred sc(int::out) is det.
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sc(155).
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:- pred sd(int::in) is semidet.
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sd(-3).
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%---------------------------------------------------------------------------%
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:- pred test5(io::di, io::uo) is det.
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test5(!IO) :-
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( if t(1, K) then
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io.write_int(K, !IO),
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io.nl(!IO)
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else
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io.write_string("no\n", !IO)
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).
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:- pred t(int::in, int::out) is semidet.
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t(J, K) :-
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not ta(J),
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tb(K),
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not tc(K).
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:- pred ta(int::in) is semidet.
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ta(0).
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:- pred tb(int::out) is det.
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tb(77).
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:- pred tc(int::in) is semidet.
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tc(-654).
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%---------------------------------------------------------------------------%
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