mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
73 lines
2.2 KiB
C++
73 lines
2.2 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/>.
|
|
*/
|
|
/**
|
|
* Specific AST walker that generates the call graph.
|
|
*/
|
|
|
|
#include <libyul/AsmData.h>
|
|
#include <libyul/optimiser/CallGraphGenerator.h>
|
|
|
|
#include <libevmasm/Instruction.h>
|
|
|
|
#include <stack>
|
|
|
|
using namespace std;
|
|
using namespace dev;
|
|
using namespace yul;
|
|
|
|
CallGraph CallGraphGenerator::callGraph(Block const& _ast)
|
|
{
|
|
CallGraphGenerator gen;
|
|
gen(_ast);
|
|
return std::move(gen.m_callGraph);
|
|
}
|
|
|
|
void CallGraphGenerator::operator()(FunctionalInstruction const& _functionalInstruction)
|
|
{
|
|
string name = dev::eth::instructionInfo(_functionalInstruction.instruction).name;
|
|
std::transform(name.begin(), name.end(), name.begin(), [](unsigned char _c) { return tolower(_c); });
|
|
m_callGraph.functionCalls[m_currentFunction].insert(YulString{name});
|
|
ASTWalker::operator()(_functionalInstruction);
|
|
}
|
|
|
|
void CallGraphGenerator::operator()(FunctionCall const& _functionCall)
|
|
{
|
|
m_callGraph.functionCalls[m_currentFunction].insert(_functionCall.functionName.name);
|
|
ASTWalker::operator()(_functionCall);
|
|
}
|
|
|
|
void CallGraphGenerator::operator()(ForLoop const&)
|
|
{
|
|
m_callGraph.functionsWithLoops.insert(m_currentFunction);
|
|
}
|
|
|
|
void CallGraphGenerator::operator()(FunctionDefinition const& _functionDefinition)
|
|
{
|
|
YulString previousFunction = m_currentFunction;
|
|
m_currentFunction = _functionDefinition.name;
|
|
yulAssert(m_callGraph.functionCalls.count(m_currentFunction) == 0, "");
|
|
m_callGraph.functionCalls[m_currentFunction] = {};
|
|
ASTWalker::operator()(_functionDefinition);
|
|
m_currentFunction = previousFunction;
|
|
}
|
|
|
|
CallGraphGenerator::CallGraphGenerator()
|
|
{
|
|
m_callGraph.functionCalls[YulString{}] = {};
|
|
}
|
|
|