mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
93 lines
3.0 KiB
C++
93 lines
3.0 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 Christian <c@ethdev.com>
|
|
* @date 2014
|
|
* Component that resolves type names to types and annotates the AST accordingly.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <map>
|
|
#include <list>
|
|
#include <boost/noncopyable.hpp>
|
|
#include <libsolidity/ast/ASTVisitor.h>
|
|
#include <libsolidity/ast/ASTAnnotations.h>
|
|
|
|
namespace dev
|
|
{
|
|
namespace solidity
|
|
{
|
|
|
|
class NameAndTypeResolver;
|
|
|
|
/**
|
|
* Resolves references to declarations (of variables and types) and also establishes the link
|
|
* between a return statement and the return parameter list.
|
|
*/
|
|
class ReferencesResolver: private ASTConstVisitor
|
|
{
|
|
public:
|
|
ReferencesResolver(
|
|
ErrorList& _errors,
|
|
NameAndTypeResolver& _resolver,
|
|
ParameterList const* _returnParameters,
|
|
bool _resolveInsideCode = false
|
|
):
|
|
m_errors(_errors),
|
|
m_resolver(_resolver),
|
|
m_returnParameters(_returnParameters),
|
|
m_resolveInsideCode(_resolveInsideCode)
|
|
{}
|
|
|
|
/// @returns true if no errors during resolving
|
|
bool resolve(ASTNode const& _root);
|
|
|
|
private:
|
|
virtual bool visit(Block const&) override { return m_resolveInsideCode; }
|
|
virtual bool visit(Identifier const& _identifier) override;
|
|
virtual bool visit(ElementaryTypeName const& _typeName) override;
|
|
virtual void endVisit(UserDefinedTypeName const& _typeName) override;
|
|
virtual void endVisit(FunctionTypeName const& _typeName) override;
|
|
virtual void endVisit(Mapping const& _typeName) override;
|
|
virtual void endVisit(ArrayTypeName const& _typeName) override;
|
|
virtual bool visit(InlineAssembly const& _inlineAssembly) override;
|
|
virtual bool visit(Return const& _return) override;
|
|
virtual void endVisit(VariableDeclaration const& _variable) override;
|
|
|
|
/// Adds a new error to the list of errors.
|
|
void typeError(SourceLocation const& _location, std::string const& _description);
|
|
|
|
/// Adds a new error to the list of errors and throws to abort type checking.
|
|
void fatalTypeError(SourceLocation const& _location, std::string const& _description);
|
|
|
|
/// Adds a new error to the list of errors.
|
|
void declarationError(const SourceLocation& _location, std::string const& _description);
|
|
|
|
/// Adds a new error to the list of errors and throws to abort type checking.
|
|
void fatalDeclarationError(const SourceLocation& _location, std::string const& _description);
|
|
|
|
ErrorList& m_errors;
|
|
NameAndTypeResolver& m_resolver;
|
|
ParameterList const* m_returnParameters;
|
|
bool const m_resolveInsideCode;
|
|
bool m_errorOccurred = false;
|
|
};
|
|
|
|
}
|
|
}
|