|
|
|
|
/*
|
|
|
|
|
This file is part of cpp-ethereum.
|
|
|
|
|
|
|
|
|
|
cpp-ethereum 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.
|
|
|
|
|
|
|
|
|
|
cpp-ethereum 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 cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
|
*/
|
|
|
|
|
/**
|
|
|
|
|
* @author Christian <c@ethdev.com>
|
|
|
|
|
* @date 2015
|
|
|
|
|
* Utilities to work with the AST.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#pragma once
|
|
|
|
|
|
|
|
|
|
#include <libevmasm/SourceLocation.h>
|
|
|
|
|
#include <libsolidity/ASTVisitor.h>
|
|
|
|
|
|
|
|
|
|
namespace dev
|
|
|
|
|
{
|
|
|
|
|
namespace solidity
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
class LocationFinder: private ASTConstVisitor
|
|
|
|
|
{
|
|
|
|
|
public:
|
|
|
|
|
LocationFinder(SourceLocation const& _location, std::vector<ASTNode const*> _rootNodes):
|
|
|
|
|
m_rootNodes(_rootNodes), m_location(_location)
|
|
|
|
|
{
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// @returns the "closest" (in the sense of most-leafward) AST node which is a descendant of
|
|
|
|
|
/// _node and whose source location contains _location.
|
|
|
|
|
ASTNode const* leastUpperBound();
|
|
|
|
|
|
|
|
|
|
private:
|
|
|
|
|
bool visitNode(ASTNode const& _node);
|
|
|
|
|
|
|
|
|
|
std::vector<ASTNode const*> m_rootNodes;
|
|
|
|
|
SourceLocation m_location;
|
|
|
|
|
ASTNode const* m_bestMatch = nullptr;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
}
|
