mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
76 lines
2.5 KiB
C++
76 lines
2.5 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/>.
|
|
*/
|
|
/**
|
|
* @author Federico Bond <federicobond@gmail.com>
|
|
* @date 2016
|
|
* Static analyzer and checker.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <libsolidity/analysis/TypeChecker.h>
|
|
#include <libsolidity/ast/Types.h>
|
|
#include <libsolidity/ast/ASTAnnotations.h>
|
|
#include <libsolidity/ast/ASTForward.h>
|
|
#include <libsolidity/ast/ASTVisitor.h>
|
|
|
|
namespace dev
|
|
{
|
|
namespace solidity
|
|
{
|
|
|
|
|
|
/**
|
|
* The module that performs static analysis on the AST.
|
|
* In this context, static analysis is anything that can produce warnings which can help
|
|
* programmers write cleaner code. For every warning generated eher, it has to be possible to write
|
|
* equivalent code that does generate the warning.
|
|
*/
|
|
class StaticAnalyzer: private ASTConstVisitor
|
|
{
|
|
public:
|
|
/// @param _errors the reference to the list of errors and warnings to add them found during static analysis.
|
|
explicit StaticAnalyzer(ErrorList& _errors): m_errors(_errors) {}
|
|
|
|
/// Performs static analysis on the given source unit and all of its sub-nodes.
|
|
/// @returns true iff all checks passed. Note even if all checks passed, errors() can still contain warnings
|
|
bool analyze(SourceUnit const& _sourceUnit);
|
|
|
|
private:
|
|
/// Adds a new warning to the list of errors.
|
|
void warning(SourceLocation const& _location, std::string const& _description);
|
|
|
|
virtual bool visit(ContractDefinition const& _contract) override;
|
|
virtual void endVisit(ContractDefinition const& _contract) override;
|
|
|
|
virtual bool visit(FunctionDefinition const& _function) override;
|
|
virtual void endVisit(FunctionDefinition const& _function) override;
|
|
|
|
virtual bool visit(MemberAccess const& _memberAccess) override;
|
|
|
|
ErrorList& m_errors;
|
|
|
|
/// Flag that indicates whether the current contract definition is a library.
|
|
bool m_library = false;
|
|
|
|
/// Flag that indicates whether a public function does not contain the "payable" modifier.
|
|
bool m_nonPayablePublic = false;
|
|
};
|
|
|
|
}
|
|
}
|