mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
135 lines
3.7 KiB
C++
135 lines
3.7 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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#include <libsolidity/experimental/codegen/Common.h>
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#include <libsolidity/experimental/codegen/IRGenerationContext.h>
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#include <libsolidity/experimental/codegen/IRVariable.h>
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#include <libsolidity/experimental/analysis/Analysis.h>
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#include <libsolidity/experimental/analysis/TypeInference.h>
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#include <libsolidity/ast/AST.h>
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#include <libsolutil/StringUtils.h>
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using namespace solidity;
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using namespace solidity::frontend::experimental;
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using namespace solidity::util;
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template<typename Node>
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Type getType(IRGenerationContext const& _context, Node const& _node)
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{
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auto& annotation = _context.analysis.annotation<TypeInference>(_node);
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solAssert(annotation.type);
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return _context.env->resolve(*annotation.type);
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}
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namespace
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{
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size_t getTypeStackSlots(IRGenerationContext const& _context, Type _type)
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{
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}
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}
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IRVariable::IRVariable(IRGenerationContext const& _context, std::string _baseName, Type _type):
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m_baseName(std::move(_baseName)), m_type(_type)
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{
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}
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IRVariable::IRVariable(IRGenerationContext const& _context, VariableDeclaration const& _declaration):
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IRVariable(_context, IRNames::localVariable(_declaration), getType(_context, _declaration))
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{
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}
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IRVariable::IRVariable(IRGenerationContext const& _context, Expression const& _expression):
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IRVariable(_context, IRNames::localVariable(_expression), getType(_context, _expression))
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{
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}
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IRVariable IRVariable::part(string const& _name) const
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{
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for (auto const& [itemName, itemType]: m_type.stackItems())
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if (itemName == _name)
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{
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solAssert(itemName.empty() || itemType, "");
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return IRVariable{suffixedName(itemName), itemType ? *itemType : m_type};
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}
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solAssert(false, "Invalid stack item name: " + _name);
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}
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bool IRVariable::hasPart(std::string const& _name) const
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{
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for (auto const& [itemName, itemType]: m_type.stackItems())
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if (itemName == _name)
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{
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solAssert(itemName.empty() || itemType, "");
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return true;
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}
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return false;
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}
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vector<string> IRVariable::stackSlots() const
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{
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vector<string> result;
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for (auto const& [itemName, itemType]: m_type.stackItems())
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if (itemType)
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{
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solAssert(!itemName.empty(), "");
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solAssert(m_type != *itemType, "");
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result += IRVariable{suffixedName(itemName), *itemType}.stackSlots();
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}
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else
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{
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solAssert(itemName.empty(), "");
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result.emplace_back(m_baseName);
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}
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return result;
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}
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string IRVariable::commaSeparatedList() const
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{
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return joinHumanReadable(stackSlots());
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}
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string IRVariable::commaSeparatedListPrefixed() const
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{
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return joinHumanReadablePrefixed(stackSlots());
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}
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string IRVariable::name() const
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{
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solAssert(m_type.sizeOnStack() == 1, "");
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auto const& [itemName, type] = m_type.stackItems().front();
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solAssert(!type, "Expected null type for name " + itemName);
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return suffixedName(itemName);
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}
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IRVariable IRVariable::tupleComponent(size_t _i) const
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{
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solAssert(
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m_type.category() == Type::Category::Tuple,
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"Requested tuple component of non-tuple IR variable."
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);
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return part(IRNames::tupleComponent(_i));
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}
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string IRVariable::suffixedName(string const& _suffix) const
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{
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if (_suffix.empty())
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return m_baseName;
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else
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return m_baseName + '_' + _suffix;
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}
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