mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
/*
|
|
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
|
|
|
|
#include <libsolidity/experimental/analysis/Analysis.h>
|
|
#include <libsolidity/experimental/analysis/FunctionCallGraph.h>
|
|
|
|
using namespace solidity::frontend::experimental;
|
|
using namespace solidity::util;
|
|
|
|
FunctionCallGraph::FunctionCallGraph(solidity::frontend::experimental::Analysis& _analysis):
|
|
m_analysis(_analysis),
|
|
m_errorReporter(_analysis.errorReporter())
|
|
{
|
|
}
|
|
|
|
bool FunctionCallGraph::analyze(SourceUnit const& _sourceUnit)
|
|
{
|
|
_sourceUnit.accept(*this);
|
|
// TODO remove debug output before merge
|
|
//std::cout << annotation().functionCallGraph << std::endl;
|
|
return !m_errorReporter.hasErrors();
|
|
}
|
|
|
|
bool FunctionCallGraph::visit(FunctionDefinition const& _functionDefinition)
|
|
{
|
|
solAssert(!m_currentFunction);
|
|
m_currentFunction = &_functionDefinition;
|
|
return true;
|
|
}
|
|
|
|
void FunctionCallGraph::endVisit(FunctionDefinition const&)
|
|
{
|
|
// If we're done visiting a function declaration without said function referencing/calling
|
|
// another function in its body - insert it into the graph without child nodes.
|
|
if (!annotation().functionCallGraph.edges.count(m_currentFunction))
|
|
annotation().functionCallGraph.edges.insert({m_currentFunction, {}});
|
|
m_currentFunction = nullptr;
|
|
}
|
|
|
|
bool FunctionCallGraph::visit(Identifier const& _identifier)
|
|
{
|
|
auto callee = dynamic_cast<FunctionDefinition const*>(_identifier.annotation().referencedDeclaration);
|
|
// Check that the identifier is within a function body and is a function, and add it to the graph
|
|
// as an ``m_currentFunction`` -> ``callee`` edge.
|
|
if (m_currentFunction && callee)
|
|
add(m_currentFunction, callee);
|
|
return true;
|
|
}
|
|
|
|
void FunctionCallGraph::add(FunctionDefinition const* _caller, FunctionDefinition const* _callee)
|
|
{
|
|
annotation().functionCallGraph.edges[_caller].insert(_callee);
|
|
}
|
|
|
|
FunctionCallGraph::GlobalAnnotation& FunctionCallGraph::annotation()
|
|
{
|
|
return m_analysis.annotation<FunctionCallGraph>();
|
|
}
|