solidity/libsolidity/interface/StorageLayout.h
2020-01-07 15:51:50 +01:00

56 lines
1.5 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/>.
*/
/**
* Generates the storage layout of a contract.
*/
#pragma once
#include <libsolidity/ast/AST.h>
#include <libsolidity/ast/Types.h>
#include <json/json.h>
namespace solidity::frontend
{
class StorageLayout
{
public:
/// Generates the storage layout of the contract
/// @param _contractDef The contract definition
/// @return A JSON representation of the contract's storage layout.
Json::Value generate(ContractDefinition const& _contractDef);
private:
/// Generates the JSON information for a variable and its storage location.
Json::Value generate(VariableDeclaration const& _var, u256 const& _slot, unsigned _offset);
/// Generates the JSON information for @param _type
void generate(TypePointer _type);
/// The key for the JSON object describing a type.
std::string typeKeyName(TypePointer _type);
Json::Value m_types;
/// Current analyzed contract
ContractDefinition const* m_contract = nullptr;
};
}