path: root/libsolidity/ast/ASTUtils.cpp

/*
    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 2015
 * Utilities to work with the AST.
 */

#include <libsolidity/ast/ASTUtils.h>

using namespace std;
using namespace dev;
using namespace dev::solidity;



ASTNode const* LocationFinder::leastUpperBound()
{
    m_bestMatch = nullptr;
    for (ASTNode const* rootNode: m_rootNodes)
        rootNode->accept(*this);

    return m_bestMatch;
}

bool LocationFinder::visitNode(const ASTNode& _node)
{
    if (_node.location().contains(m_location))
    {
        m_bestMatch = &_node;
        return true;
    }
    return false;
}