mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
71 lines
1.7 KiB
C++
71 lines
1.7 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/>.
|
|
*/
|
|
// SPDX-License-Identifier: GPL-3.0
|
|
/**
|
|
* Classes that store locations of lvalues.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <libsolidity/codegen/ir/IRVariable.h>
|
|
#include <variant>
|
|
|
|
namespace solidity::frontend
|
|
{
|
|
|
|
class Type;
|
|
|
|
struct IRLValue
|
|
{
|
|
Type const& type;
|
|
struct Stack
|
|
{
|
|
IRVariable variable;
|
|
};
|
|
struct Immutable
|
|
{
|
|
VariableDeclaration const* variable = nullptr;
|
|
};
|
|
struct Storage
|
|
{
|
|
std::string const slot;
|
|
/// unsigned: Used when the offset is known at compile time, uses optimized
|
|
/// functions
|
|
/// string: Used when the offset is determined at run time
|
|
std::variant<std::string, unsigned> const offset;
|
|
std::string offsetString() const
|
|
{
|
|
if (std::holds_alternative<unsigned>(offset))
|
|
return std::to_string(std::get<unsigned>(offset));
|
|
else
|
|
return std::get<std::string>(offset);
|
|
}
|
|
};
|
|
struct Memory
|
|
{
|
|
std::string const address;
|
|
bool byteArrayElement = false;
|
|
};
|
|
struct Tuple
|
|
{
|
|
std::vector<std::optional<IRLValue>> components;
|
|
};
|
|
std::variant<Stack, Immutable, Storage, Memory, Tuple> kind;
|
|
};
|
|
|
|
}
|