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Dereference.

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This commit is contained in:
chriseth 2021-01-12 12:08:43 +01:00
parent 7487a7d927
commit 24aded266e
3 changed files with 42 additions and 2 deletions
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4
libsolidity/analysis/TypeChecker.cpp
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@ -34,6 +34,7 @@
#include <libsolutil/Algorithms.h>
#include <libsolutil/StringUtils.h>
#include <libsolutil/Views.h>
#include <boost/algorithm/string/join.hpp>
#include <boost/algorithm/string/predicate.hpp>
@ -1002,9 +1003,8 @@ void TypeChecker::endVisit(TryStatement const& _tryStatement)
TryCatchClause const* panicClause = nullptr;
TryCatchClause const* errorClause = nullptr;
TryCatchClause const* lowLevelClause = nullptr;
for (auto const& clausePointer: _tryStatement.clauses() | ranges::views::drop_exactly(1))
for (auto const& clause: _tryStatement.clauses() | ranges::views::drop_exactly(1) | views::dereferenceChecked)
{
TryCatchClause const& clause = *clausePointer;
if (clause.errorName() == "")
{
if (lowLevelClause)

1
libsolutil/CMakeLists.txt
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@ -34,6 +34,7 @@ set(sources
UTF8.cpp
UTF8.h
vector_ref.h
Views.h
Visitor.h
Whiskers.cpp
Whiskers.h

39
libsolutil/Views.h Normal file
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@ -0,0 +1,39 @@
/*
This file is part of solidity.
solidity is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
solidity is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with solidity. If not, see <http://www.gnu.org/licenses/>.
*/
// SPDX-License-Identifier: GPL-3.0
#pragma once
#include <range/v3/view/transform.hpp>
#include <liblangutil/Exceptions.h>
namespace solidity::util::views
{
static constexpr auto dereference = ranges::views::transform([](auto&& x) -> decltype(auto) { return *x; });
static constexpr auto dereferenceChecked = ranges::views::transform(
[](auto&& x) -> decltype(auto)
{
solAssert(x, "");
return *x;
}
);
}