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83dc913329
tests/warnings/*.m:
Bring the programming style of these modules up to date,
except where the problem being tested for seems to be related
to the old programming style
In the infinite_recursion test case, add code that we *should*
warn about, but currently don't.
tests/warnings/*.m:
Update the expected outputs to account for the changes in line
numbers, and the fact that the compiler computes the contexts
of (if C then T else E) if-then-elses differently from (C -> T; E)
if-then-else (it takes the context of the "then" vs the context
of the ";").
Delete arg_order_rearrangment.exp2. It was long unused, but
deleting it in CVS would not have allowed us to put it back later.
45 lines
1.4 KiB
Mathematica
45 lines
1.4 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 test case tests whether we generate warnings such as this:
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%
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% bad_singleton_warning.m:031: In clause for predicate
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% bad_singleton_warning.m:031: `bad_singleton_warning.is_it_there_str'/3:
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% bad_singleton_warning.m:031: warning: variable `Value' occurs only once in
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% bad_singleton_warning.m:031: this scope.
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%
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%---------------------------------------------------------------------------%
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:- module missing_singleton_warning.
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:- interface.
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:- import_module map.
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:- pred is_it_there_test(map(int, string)::in, int::in) is semidet.
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:- pred is_it_there_str(map(int, string)::in, int::in, string::out) is det.
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:- implementation.
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is_it_there_test(Map, Key) :-
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% Test whether we get a warning on an ordinary quantification.
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some [Value] (
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map.search(Map, Key, _Result)
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).
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is_it_there_str(Map, Key, Str) :-
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% Test whether we get a warning on a special quantification
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% on the condition of an if-then-else. (This is treated separately
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% by the compiler because it quantifies over not a single goal, but
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% over the "conjunction" formed by the condition and the then-part.)
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( if
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some [Value] (
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map.search(Map, Key, _Result)
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)
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then
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Str = "there"
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else
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Str = "not there"
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).
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