mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
91 lines
3.3 KiB
C++
91 lines
3.3 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/>.
|
|
*/
|
|
/**
|
|
* Component that verifies overloads, abstract contracts, function clashes and others
|
|
* checks at contract or function level.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <libsolidity/ast/ASTForward.h>
|
|
#include <libsolidity/analysis/OverrideChecker.h>
|
|
#include <liblangutil/SourceLocation.h>
|
|
#include <map>
|
|
#include <functional>
|
|
#include <set>
|
|
|
|
namespace solidity::langutil
|
|
{
|
|
class ErrorReporter;
|
|
}
|
|
|
|
namespace solidity::frontend
|
|
{
|
|
|
|
/**
|
|
* Component that verifies overloads, abstract contracts, function clashes and others
|
|
* checks at contract or function level.
|
|
*/
|
|
class ContractLevelChecker
|
|
{
|
|
public:
|
|
|
|
/// @param _errorReporter provides the error logging functionality.
|
|
explicit ContractLevelChecker(langutil::ErrorReporter& _errorReporter):
|
|
m_overrideChecker{_errorReporter},
|
|
m_errorReporter(_errorReporter)
|
|
{}
|
|
|
|
/// Performs checks on the given contract.
|
|
/// @returns true iff all checks passed. Note even if all checks passed, errors() can still contain warnings
|
|
bool check(ContractDefinition const& _contract);
|
|
|
|
private:
|
|
/// Checks that two functions defined in this contract with the same name have different
|
|
/// arguments and that there is at most one constructor.
|
|
void checkDuplicateFunctions(ContractDefinition const& _contract);
|
|
void checkDuplicateEvents(ContractDefinition const& _contract);
|
|
template <class T>
|
|
void findDuplicateDefinitions(std::map<std::string, std::vector<T>> const& _definitions, std::string _message);
|
|
void checkAbstractFunctions(ContractDefinition const& _contract);
|
|
/// Checks that the base constructor arguments are properly provided.
|
|
/// Fills the list of unimplemented functions in _contract's annotations.
|
|
void checkBaseConstructorArguments(ContractDefinition const& _contract);
|
|
void annotateBaseConstructorArguments(
|
|
ContractDefinition const& _currentContract,
|
|
FunctionDefinition const* _baseConstructor,
|
|
ASTNode const* _argumentNode
|
|
);
|
|
/// Checks that different functions with external visibility end up having different
|
|
/// external argument types (i.e. different signature).
|
|
void checkExternalTypeClashes(ContractDefinition const& _contract);
|
|
/// Checks for hash collisions in external function signatures.
|
|
void checkHashCollisions(ContractDefinition const& _contract);
|
|
/// Checks that all requirements for a library are fulfilled if this is a library.
|
|
void checkLibraryRequirements(ContractDefinition const& _contract);
|
|
/// Checks base contracts for ABI compatibility
|
|
void checkBaseABICompatibility(ContractDefinition const& _contract);
|
|
|
|
/// Warns if the contract has a payable fallback, but no receive ether function.
|
|
void checkPayableFallbackWithoutReceive(ContractDefinition const& _contract);
|
|
|
|
OverrideChecker m_overrideChecker;
|
|
langutil::ErrorReporter& m_errorReporter;
|
|
};
|
|
|
|
}
|