mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
112 lines
2.9 KiB
C++
112 lines
2.9 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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#include <libsolidity/codegen/ir/IRVariable.h>
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#include <libsolidity/ast/AST.h>
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#include <boost/range/adaptor/transformed.hpp>
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#include <libsolutil/StringUtils.h>
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using namespace std;
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using namespace solidity;
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using namespace solidity::frontend;
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using namespace solidity::util;
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IRVariable::IRVariable(std::string _baseName, Type const& _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(VariableDeclaration const& _declaration):
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IRVariable(
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"vloc_" + _declaration.name() + '_' + std::to_string(_declaration.id()),
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*_declaration.annotation().type
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)
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{
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solAssert(!_declaration.isStateVariable(), "");
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}
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IRVariable::IRVariable(Expression const& _expression):
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IRVariable(
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"expr_" + to_string(_expression.id()),
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*_expression.annotation().type
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)
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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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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("component_" + std::to_string(_i + 1));
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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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