/*
 * unused-funcs
 *
 * Copyright (C) 2014 xaizek.
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "RefInfo.hpp"

#include <clang/AST/Expr.h>
#include <clang/Basic/SourceLocation.h>
#include <clang/Basic/SourceManager.h>

namespace {
std::string getFilename(const clang::DeclRefExpr &ref,
                        const clang::SourceManager &sm) {
  clang::FullSourceLoc fullLoc(ref.getExprLoc(), sm);
  return sm.getFilename(fullLoc);
}
} // namespace

RefInfo::RefInfo(const clang::DeclRefExpr &ref, const clang::SourceManager &sm)
    : fileName(getFilename(ref, sm)) {}

bool RefInfo::isInThisUnit(const std::string &other) const {
  return other == fileName;
}