geant4/source/global/management/include/G4TiMemory.hh

//
// ********************************************************************
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//
//
//
//
// ----------------------------------------------------------------------
// G4TiMemory
//
// Provides empty macros when Geant4 is compiled with TiMemory disabled
// ----------------------------------------------------------------------

#ifndef g4timemory_hh_
#define g4timemory_hh_

// Fundamental definitions
#ifndef G4GMAKE
#    include "G4GlobalConfig.hh"
#endif

#include "globals.hh"

//----------------------------------------------------------------------------//
#ifdef GEANT4_USE_TIMEMORY

#    include <timemory/timemory.hpp>

using G4AutoTimer = tim::auto_timer;

#else

#    include <ostream>
#    include <string>

namespace tim
{
template <typename... _Args>
void timemory_init(_Args...)
{
}
inline void timemory_finalize() {}
inline void print_env() {}

/// this provides "functionality" for *_HANDLE macros
/// and can be omitted if these macros are not utilized
struct dummy
{
    template <typename... _Args>
    dummy(_Args&&...)
    {
    }
    ~dummy()            = default;
    dummy(const dummy&) = default;
    dummy(dummy&&)      = default;
    dummy& operator=(const dummy&) = default;
    dummy& operator=(dummy&&) = default;

    void start() {}
    void stop() {}
    void conditional_start() {}
    void conditional_stop() {}
    void report_at_exit(bool) {}
    template <typename... _Args>
    void mark_begin(_Args&&...)
    {
    }
    template <typename... _Args>
    void mark_end(_Args&&...)
    {
    }
    friend std::ostream& operator<<(std::ostream& os, const dummy&) { return os; }
};

}  // namespace tim

// startup/shutdown/configure
#    define TIMEMORY_INIT(...)
#    define TIMEMORY_FINALIZE()
#    define TIMEMORY_CONFIGURE(...)

// label creation
#    define TIMEMORY_BASIC_LABEL(...) std::string("")
#    define TIMEMORY_LABEL(...) std::string("")
#    define TIMEMORY_JOIN(...) std::string("")

// define an object
#    define TIMEMORY_BLANK_MARKER(...)
#    define TIMEMORY_BASIC_MARKER(...)
#    define TIMEMORY_MARKER(...)

// define an unique pointer object
#    define TIMEMORY_BLANK_POINTER(...)
#    define TIMEMORY_BASIC_POINTER(...)
#    define TIMEMORY_POINTER(...)

// define an object with a caliper reference
#    define TIMEMORY_BLANK_CALIPER(...)
#    define TIMEMORY_BASIC_CALIPER(...)
#    define TIMEMORY_CALIPER(...)

// define a static object with a caliper reference
#    define TIMEMORY_STATIC_BLANK_CALIPER(...)
#    define TIMEMORY_STATIC_BASIC_CALIPER(...)
#    define TIMEMORY_STATIC_CALIPER(...)

// invoke member function on caliper reference or type within reference
#    define TIMEMORY_CALIPER_APPLY(...)
#    define TIMEMORY_CALIPER_TYPE_APPLY(...)

// get an object
#    define TIMEMORY_BLANK_HANDLE(...) tim::dummy()
#    define TIMEMORY_BASIC_HANDLE(...) tim::dummy()
#    define TIMEMORY_HANDLE(...) tim::dummy()

// get a pointer to an object
#    define TIMEMORY_BLANK_POINTER_HANDLE(...) nullptr
#    define TIMEMORY_BASIC_POINTER_HANDLE(...) nullptr
#    define TIMEMORY_POINTER_HANDLE(...) nullptr

// debug only
#    define TIMEMORY_DEBUG_BLANK_MARKER(...)
#    define TIMEMORY_DEBUG_BASIC_MARKER(...)
#    define TIMEMORY_DEBUG_MARKER(...)

// auto-timers
#    define TIMEMORY_BLANK_AUTO_TIMER(...)
#    define TIMEMORY_BASIC_AUTO_TIMER(...)
#    define TIMEMORY_AUTO_TIMER(...)
#    define TIMEMORY_BLANK_AUTO_TIMER_HANDLE(...)
#    define TIMEMORY_BASIC_AUTO_TIMER_HANDLE(...)
#    define TIMEMORY_AUTO_TIMER_HANDLE(...)
#    define TIMEMORY_DEBUG_BASIC_AUTO_TIMER(...)
#    define TIMEMORY_DEBUG_AUTO_TIMER(...)

using G4AutoTimer = tim::dummy;

#endif

//----------------------------------------------------------------------------//

#endif