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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.
43 lines
1.0 KiB
Mathematica
43 lines
1.0 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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% This module is a regression test;
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% it tests that we do correct tail recursion optimization
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% for procedures with output arguments and determinism
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% of `erroneous' or `failure', such as loop//1 below.
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%
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% This test is designed so that if the compiler doesn't do tail recursion
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% optimization, then the program will overflow the limit on stack size.
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:- module looptest.
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:- interface.
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:- import_module io.
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:- pred main(io::di, io::uo) is cc_multi.
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:- implementation.
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:- import_module exception.
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:- import_module int.
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:- import_module string.
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main(!IO) :-
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try(do_loop, R),
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io.print_line(R, !IO).
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% No type declaration for do_loop.
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:- mode do_loop(out) is det.
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do_loop(X) :-
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loop(100000000, 42, X).
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% No type or mode declaration for do_loop.
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loop(N, !X) :-
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( if N = 0 then
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throw("finished")
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else
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loop(N - 1, !X)
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).
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