mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
65 lines
1.6 KiB
C++
65 lines
1.6 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/>.
|
|
*/
|
|
/**
|
|
* Helper class that keeps track of the types while performing optimizations.
|
|
*/
|
|
#pragma once
|
|
|
|
#include <libyul/AsmDataForward.h>
|
|
#include <libyul/YulString.h>
|
|
|
|
#include <vector>
|
|
#include <map>
|
|
|
|
namespace solidity::yul
|
|
{
|
|
struct Dialect;
|
|
|
|
/**
|
|
* Helper class that keeps track of the types while performing optimizations.
|
|
*
|
|
* Only works on disambiguated sources!
|
|
*/
|
|
class TypeInfo
|
|
{
|
|
public:
|
|
TypeInfo(Dialect const& _dialect, Block const& _ast);
|
|
|
|
void setVariableType(YulString _name, YulString _type) { m_variableTypes[_name] = _type; }
|
|
|
|
/// @returns the type of an expression that is assumed to return exactly one value.
|
|
YulString typeOf(Expression const& _expression) const;
|
|
|
|
/// \returns the type of variable
|
|
YulString typeOfVariable(YulString _name) const;
|
|
|
|
private:
|
|
class TypeCollector;
|
|
|
|
struct FunctionType
|
|
{
|
|
std::vector<YulString> parameters;
|
|
std::vector<YulString> returns;
|
|
};
|
|
|
|
Dialect const& m_dialect;
|
|
std::map<YulString, YulString> m_variableTypes;
|
|
std::map<YulString, FunctionType> m_functionTypes;
|
|
};
|
|
|
|
}
|