phase.hh

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#ifndef __SYSTEMC_EXT_TLM_CORE_2_GENERIC_PAYLOAD_PHASE_HH__
#define __SYSTEMC_EXT_TLM_CORE_2_GENERIC_PAYLOAD_PHASE_HH__

#include <iostream>
#include <typeinfo>
#include <vector>

#define SC_CONCAT_HELPER_(a, b) SC_CONCAT_HELPER_DEFERRED_(a, b)
#define SC_CONCAT_HELPER_DEFERRED_(a, b) SC_CONCAT_HELPER_MORE_DEFERRED_(a, b)
#define SC_CONCAT_HELPER_MORE_DEFERRED_(a, b) a ## b

#define SC_STRINGIFY_HELPER_(a) SC_STRINGIFY_HELPER_DEFERRED_(a)
#define SC_STRINGIFY_HELPER_DEFERRED_(a) SC_STRINGIFY_HELPER_MORE_DEFERRED_(a)
#define SC_STRINGIFY_HELPER_MORE_DEFERRED_(a) #a

namespace tlm
{

enum tlm_phase_enum
{
    UNINITIALIZED_PHASE = 0,
    BEGIN_REQ = 1,
    END_REQ,
    BEGIN_RESP,
    END_RESP
};

class tlm_phase
{
  public:
    tlm_phase();
    tlm_phase(unsigned int id);

    tlm_phase(tlm_phase_enum standard);
    tlm_phase &operator = (tlm_phase_enum standard);

    operator unsigned int() const { return m_id; }
    const char *get_name() const;

  protected:
    // Register extended phase.
    tlm_phase(const std::type_info &type, const char *name);

  private:
    unsigned int m_id;
};

inline tlm_phase::tlm_phase() : m_id(UNINITIALIZED_PHASE) {}

inline tlm_phase::tlm_phase(tlm_phase_enum standard) : m_id(standard) {}

inline tlm_phase &
tlm_phase::operator = (tlm_phase_enum standard)
{
    m_id = standard;
    return *this;
}

inline std::ostream &
operator << (std::ostream &s, const tlm_phase &p)
{
    s << p.get_name();
    return s;
}

#define TLM_DECLARE_EXTENDED_PHASE(name_arg) \
static class SC_CONCAT_HELPER_(tlm_phase_, name_arg) : \
    public ::tlm::tlm_phase \
{ \
    typedef SC_CONCAT_HELPER_(tlm_phase_, name_arg) this_type; \
  public: \
    SC_CONCAT_HELPER_(tlm_phase_, name_arg)() : \
        /* register extended phase */ \
        ::tlm::tlm_phase(typeid(*this), SC_STRINGIFY_HELPER_(name_arg)) \
    {} \
    \
    static const this_type &get_phase() \
        /* needed only for IEEE 1666-2011 */ \
    { \
        static this_type this_; \
        return this_; \
    } \
} const name_arg

// for backwards-compatibility
#define DECLARE_EXTENDED_PHASE(NameArg) TLM_DECLARE_EXTENDED_PHASE(NameArg)

} // namespace tlm

#endif /* __SYSTEMC_EXT_TLM_CORE_2_GENERIC_PAYLOAD_PHASE_HH__ */