RootUtils::ClingCallWrapper< T_ReturnValue, T_MethodArgs > Class Template Reference

Helper class to wrap a cling method call of an object's method with defined return type and argument list. More...

#include <ClingCallWrapper.h>

Inheritance diagram for RootUtils::ClingCallWrapper< T_ReturnValue, T_MethodArgs >:

Collaboration diagram for RootUtils::ClingCallWrapper< T_ReturnValue, T_MethodArgs >:

Public Member Functions
T_ReturnValue	operator() (const void *object, T_MethodArgs...args) const
	call the wrapped cling method.

Protected Member Functions
	ClingCallWrapper (ClingCallWrapperUncheckedReturnValue< T_MethodArgs... > &&call_wrapper)
	create a cling method wrapper for a method with defined argument list and return type (move).
	ClingCallWrapper (const ClingCallWrapperUncheckedReturnValue< T_MethodArgs... > &call_wrapper)
	create a cling method wrapper for a method with defined argument list and return type (copy).

Private Types
using	TClingCallFuncWrapper_t

Private Member Functions
T_ReturnType	call (const void *object, T_MethodArgs...args) const
bool	isReturnTypeMatching () const
	Test whether the function return type and the template parameter are the same.
std::string	getReturnTypeNormalizedName () const
	the normalized name of the function return type.

Private Attributes
TClingCallFuncWrapper_t	m_methodWrapper
const TMethod *	m_method
TMethodCall::EReturnType	m_returnType

Friends
template<typename T_ReturnValueFunc, typename ... T_MethodArgsFunc>
ClingCallWrapper< T_ReturnValueFunc, T_MethodArgsFunc... >	getClingCallWrapperChecked (ClingCallWrapperUncheckedReturnValue< T_MethodArgsFunc... > &&call_wrapper)

Detailed Description

template<typename T_ReturnValue, typename ... T_MethodArgs>
class RootUtils::ClingCallWrapper< T_ReturnValue, T_MethodArgs >

Helper class to wrap a cling method call of an object's method with defined return type and argument list.

Template Parameters

T_ReturnValue	the type of the return value
..T_MethofArgs	the types of the method argument (excluding the this pointer)

Definition at line 103 of file ClingCallWrapper.h.

Member Typedef Documentation

TClingCallFuncWrapper_t

using RootUtils::ClingCallWrapperUncheckedReturnValue< T_MethodArgs >::TClingCallFuncWrapper_t

protectedinherited

Definition at line 63 of file ClingCallWrapper.h.

Constructor & Destructor Documentation

ClingCallWrapper() [1/2]

template<typename T_ReturnValue, typename ... T_MethodArgs>

RootUtils::ClingCallWrapper< T_ReturnValue, T_MethodArgs >::ClingCallWrapper ( ClingCallWrapperUncheckedReturnValue< T_MethodArgs... > && call_wrapper )

inlineprotected

create a cling method wrapper for a method with defined argument list and return type (move).

Definition at line 110 of file ClingCallWrapper.h.

      : ClingCallWrapperUncheckedReturnValue<T_MethodArgs...>(std::move(call_wrapper))
   {}

ClingCallWrapper() [2/2]

template<typename T_ReturnValue, typename ... T_MethodArgs>

RootUtils::ClingCallWrapper< T_ReturnValue, T_MethodArgs >::ClingCallWrapper ( const ClingCallWrapperUncheckedReturnValue< T_MethodArgs... > & call_wrapper )

inlineprotected

create a cling method wrapper for a method with defined argument list and return type (copy).

Definition at line 114 of file ClingCallWrapper.h.

      : ClingCallWrapperUncheckedReturnValue<T_MethodArgs...>(call_wrapper)
   {}

Member Function Documentation

call()

T_ReturnType RootUtils::ClingCallWrapperUncheckedReturnValue< T_MethodArgs >::call ( const void * object, T_MethodArgs... args ) const

inlineprotectedinherited

Definition at line 70 of file ClingCallWrapper.h.

                                                                    {
      T_ReturnType return_value;
      std::array<void *, sizeof...(args)> arg_list{getPtr<T_MethodArgs>(args)...};
 
      // it was already checked that the method is declared const
      // the interface however requires a non const void pointer to the object independent of
      // of the method being const or non-const.
      void *non_const_obj ATLAS_THREAD_SAFE=const_cast<void *>(object);
      m_methodWrapper(non_const_obj, arg_list.size(),arg_list.data(),&return_value);
      return return_value;
   }

getReturnTypeNormalizedName()

std::string RootUtils::ClingCallWrapperUncheckedReturnValue< T_MethodArgs >::getReturnTypeNormalizedName ( ) const

inlineinherited

the normalized name of the function return type.

Definition at line 90 of file ClingCallWrapper.h.

                                                 {
      return m_method->GetReturnTypeNormalizedName();
   }

isReturnTypeMatching()

bool RootUtils::ClingCallWrapperUncheckedReturnValue< T_MethodArgs >::isReturnTypeMatching ( ) const

inlineinherited

Test whether the function return type and the template parameter are the same.

Returns

true if the template parameter and the return type are the same.

Definition at line 85 of file ClingCallWrapper.h.

                                     {
      return ROOT::Internal::GetDemangledTypeName(typeid(T_ReturnType)) == m_method->GetReturnTypeNormalizedName();
   }

operator()()

template<typename T_ReturnValue, typename ... T_MethodArgs>

T_ReturnValue RootUtils::ClingCallWrapper< T_ReturnValue, T_MethodArgs >::operator() ( const void * object, T_MethodArgs... args ) const

inline

call the wrapped cling method.

Parameters

object	the this pointer to an object which matches the TClass used to create the call_wrapper.
...args	the arguments pass to the method call.

Returns

the return value of the called method.

Note

the object type is unchecked. If the pointer does not match the TClass that

Definition at line 124 of file ClingCallWrapper.h.

                                                                           {
      return this->template call<T_ReturnValue>(object, args...);
   }

Friends And Related Symbol Documentation

getClingCallWrapperChecked

template<typename T_ReturnValue, typename ... T_MethodArgs>

template<typename T_ReturnValueFunc, typename ... T_MethodArgsFunc>

ClingCallWrapper< T_ReturnValueFunc, T_MethodArgsFunc... > getClingCallWrapperChecked ( ClingCallWrapperUncheckedReturnValue< T_MethodArgsFunc... > && call_wrapper )

friend

Member Data Documentation

m_method

const TMethod* RootUtils::ClingCallWrapperUncheckedReturnValue< T_MethodArgs >::m_method

privateinherited

Definition at line 95 of file ClingCallWrapper.h.

m_methodWrapper

TClingCallFuncWrapper_t RootUtils::ClingCallWrapperUncheckedReturnValue< T_MethodArgs >::m_methodWrapper

privateinherited

Definition at line 94 of file ClingCallWrapper.h.

m_returnType

TMethodCall::EReturnType RootUtils::ClingCallWrapperUncheckedReturnValue< T_MethodArgs >::m_returnType

privateinherited

Definition at line 96 of file ClingCallWrapper.h.

{};

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The documentation for this class was generated from the following file:

• ClingCallWrapper.h