mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
68 lines
1.9 KiB
C++
68 lines
1.9 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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// SPDX-License-Identifier: GPL-3.0
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/**
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* Stack layout generator for Yul to EVM code generation.
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*/
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#pragma once
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#include <libyul/backends/evm/ControlFlowGraph.h>
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#include <libyul/optimiser/ASTWalker.h>
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namespace solidity::yul
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{
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struct StackLayout
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{
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struct StackInfo
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{
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Stack entry;
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Stack exit;
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};
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std::map<Block const*, StackInfo> blockInfos;
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std::map<Statement const*, StackInfo> statementInfos;
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};
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class DirectStackLayoutGenerator: public ASTWalker
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{
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public:
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static void run(Block const& _ast);
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virtual void operator()(Literal const&) {}
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virtual void operator()(Identifier const&) {}
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virtual void operator()(FunctionCall const& _funCall);
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virtual void operator()(ExpressionStatement const& _statement);
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virtual void operator()(Assignment const& _assignment);
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virtual void operator()(VariableDeclaration const& _varDecl);
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virtual void operator()(If const& _if);
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virtual void operator()(Switch const& _switch);
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virtual void operator()(ForLoop const&);
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virtual void operator()(FunctionDefinition const&);
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virtual void operator()(Break const&);
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virtual void operator()(Continue const&);
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virtual void operator()(Leave const&);
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virtual void operator()(Block const& _block);
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private:
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DirectStackLayoutGenerator() {}
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Stack m_stack;
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};
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}
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