path_trace.h

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  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
  more contributor license agreements.  See the NOTICE file distributed
  with this work for additional information regarding copyright ownership.
  Accellera licenses this file to you under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with the
  License.  You may obtain a copy of the License at
    http://www.apache.org/licenses/LICENSE-2.0
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  implied.  See the License for the specific language governing
  permissions and limitations under the License.
 ****************************************************************************/
 
#ifndef _SCP_PATHTRACE_EXTENSION_H
#define _SCP_PATHTRACE_EXTENSION_H
 
#include <sstream>
#include <systemc>
#include <tlm>
 
namespace scp {
namespace tlm_extensions {
 
class path_trace : public tlm::tlm_extension<path_trace> {
    std::vector<sc_core::sc_object*> m_path;
 
public:
    path_trace() = default;
    path_trace(const path_trace&) = default;
 
    virtual tlm_extension_base* clone() const override { return new path_trace(*this); }
 
    virtual void copy_from(const tlm_extension_base& ext) override {
        const path_trace& other = static_cast<const path_trace&>(ext);
        *this = other;
    }
 
    void stamp(sc_core::sc_object* obj) { m_path.push_back(obj); }
 
    void reset() { m_path.clear(); }
    std::string to_string(std::string separator = "->") {
        std::stringstream info;
        std::string s;
        for(auto o : m_path) {
            info << s << o->name();
            s = separator;
        }
        return info.str();
    }
};
} // namespace tlm_extensions
} // namespace scp
#endif