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Refactor RedundantAssignEliminator.

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chriseth
2021-08-13 14:25:14 +02:00
parent d7a802e4bf
commit 3622b30a1d
6 changed files with 359 additions and 265 deletions
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libsolutil/CommonData.h
+25
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@@ -295,6 +295,31 @@ decltype(auto) mapTuple(Callable&& _callable)
return detail::MapTuple<Callable>{std::forward<Callable>(_callable)};
}
/// Merges map @a _b into map @a _a. If the same key exists in both maps,
/// calls @a _conflictSolver to combine the two values.
template <class K, class V, class F>
void joinMap(std::map<K, V>& _a, std::map<K, V>&& _b, F _conflictSolver)
{
auto ita = _a.begin();
auto aend = _a.end();
auto itb = _b.begin();
auto bend = _b.end();
for (; itb != bend; ++ita)
{
if (ita == aend)
ita = _a.insert(ita, std::move(*itb++));
else if (ita->first < itb->first)
continue;
else if (itb->first < ita->first)
ita = _a.insert(ita, std::move(*itb++));
else
{
_conflictSolver(ita->second, std::move(itb->second));
++itb;
}
}
}
// String conversion functions, mainly to/from hex/nibble/byte representations.