solidity/libsolidity/analysis/ControlFlowGraph.cpp

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/*
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/>.
*/
#include <libsolidity/analysis/ControlFlowGraph.h>
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#include <libsolidity/analysis/ControlFlowBuilder.h>
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#include <boost/range/adaptor/reversed.hpp>
#include <algorithm>
using namespace std;
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using namespace solidity::langutil;
using namespace solidity::frontend;
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bool CFG::constructFlow(ASTNode const& _astRoot)
{
_astRoot.accept(*this);
return Error::containsOnlyWarnings(m_errorReporter.errors());
}
bool CFG::visit(FunctionDefinition const& _function)
{
if (_function.isImplemented())
m_functionControlFlow[&_function] = ControlFlowBuilder::createFunctionFlow(m_nodeContainer, _function);
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return false;
}
FunctionFlow const& CFG::functionFlow(FunctionDefinition const& _function) const
{
solAssert(m_functionControlFlow.count(&_function), "");
return *m_functionControlFlow.find(&_function)->second;
}
CFGNode* CFG::NodeContainer::newNode()
{
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m_nodes.emplace_back(std::make_unique<CFGNode>());
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return m_nodes.back().get();
}