mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* Specific AST walker that generates the call graph.
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*/
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#include <libyul/AsmData.h>
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#include <libyul/optimiser/CallGraphGenerator.h>
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#include <libevmasm/Instruction.h>
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#include <stack>
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using namespace std;
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using namespace dev;
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using namespace yul;
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CallGraph CallGraphGenerator::callGraph(Block const& _ast)
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{
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CallGraphGenerator gen;
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gen(_ast);
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return std::move(gen.m_callGraph);
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}
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void CallGraphGenerator::operator()(FunctionCall const& _functionCall)
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{
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m_callGraph.functionCalls[m_currentFunction].insert(_functionCall.functionName.name);
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ASTWalker::operator()(_functionCall);
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}
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void CallGraphGenerator::operator()(ForLoop const&)
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{
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m_callGraph.functionsWithLoops.insert(m_currentFunction);
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}
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void CallGraphGenerator::operator()(FunctionDefinition const& _functionDefinition)
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{
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YulString previousFunction = m_currentFunction;
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m_currentFunction = _functionDefinition.name;
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yulAssert(m_callGraph.functionCalls.count(m_currentFunction) == 0, "");
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m_callGraph.functionCalls[m_currentFunction] = {};
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ASTWalker::operator()(_functionDefinition);
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m_currentFunction = previousFunction;
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}
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CallGraphGenerator::CallGraphGenerator()
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{
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m_callGraph.functionCalls[YulString{}] = {};
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}
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