/*
 * 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
 */

#ifndef UNUSED_FUNCS__FUNCINFO_HPP__
#define UNUSED_FUNCS__FUNCINFO_HPP__

#include <iosfwd>
#include <string>
#include <vector>

#include "RefInfo.hpp"

namespace clang
{
    class FunctionDecl;
    class DeclRefExpr;
    class SourceManager;
}

class FuncInfo
{
    friend std::ostream & operator<<(std::ostream &os, const FuncInfo &fi);

public:
    FuncInfo(const clang::FunctionDecl *func, const clang::SourceManager *sm);

public:
    void processDeclaration(const clang::FunctionDecl *func,
                            const clang::SourceManager *sm);

    bool isFullyDeclared() const;

    void registerRef(const clang::DeclRefExpr *ref,
                     const clang::SourceManager *sm);

    bool isUnused() const;

    bool canBeMadeStatic() const;

private:
    const std::string name;

    std::string fileName;
    unsigned int lineNum;

    typedef std::vector<RefInfo> Refs;
    Refs calls;
};

std::ostream & operator<<(std::ostream &os, const FuncInfo &fi);

#endif // UNUSED_FUNCS__FUNCINFO_HPP__