Dispatcher< TAR, TOOL > Class Template Reference

Description

template<class TAR, class TOOL>
class lumiera::visitor_concept_draft::Dispatcher< TAR, TOOL >

For each possible call entry point via some subclass of the visitable hierarchy, we maintain a dispatcher table to keep track of all concrete tool implementations able to receive and process calls on objects of this subclass.

Definition at line 153 of file visitingtool-concept.cpp.

Static Public Attributes
static lib::Depend< Dispatcher< TAR, TOOL > >	instance
	storage for the dispatcher table(s)

Public Member Functions
ReturnType	forwardCall (TAR &target, TOOL &tool)
template<class TOOLImpl >
void	enrol (TOOLImpl *typeKey)

Private Types
using	ReturnType = TOOL::ReturnType
typedef ReturnType(*	Trampoline) (TAR &, TOOL &)

Private Member Functions
bool	is_known (size_t id)
void	storePtr (size_t id, Trampoline func)
Trampoline	storedTrampoline (size_t id)

Static Private Member Functions
template<class TOOLImpl >
static ReturnType	callTrampoline (TAR &obj, TOOL &tool)
	generator for Trampoline functions, used to dispatch calls down to the right "treat"-Function on the correct concrete tool implementation class
static ReturnType	errorHandler (TAR &, TOOL &)

Private Attributes
std::vector< Trampoline >	table_
	custom VTable for storing the Trampoline pointers

Member Typedef Documentation

ReturnType

template<class TAR , class TOOL >

using ReturnType = TOOL::ReturnType

private

Definition at line 155 of file visitingtool-concept.cpp.

Trampoline

template<class TAR , class TOOL >

typedef ReturnType(* Trampoline) (TAR &, TOOL &)

private

Definition at line 176 of file visitingtool-concept.cpp.

Member Function Documentation

callTrampoline()

template<class TAR , class TOOL >

template<class TOOLImpl >

static ReturnType callTrampoline ( TAR &  obj, TOOL &  tool  )

inlinestaticprivate

generator for Trampoline functions, used to dispatch calls down to the right "treat"-Function on the correct concrete tool implementation class

Definition at line 164 of file visitingtool-concept.cpp.

References INSTANCEOF.

is_known()

template<class TAR , class TOOL >

bool is_known ( size_t  id )

inlineprivate

Definition at line 184 of file visitingtool-concept.cpp.

References Dispatcher< TAR, TOOL >::table_.

Referenced by Dispatcher< TAR, TOOL >::enrol().

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storePtr()

template<class TAR , class TOOL >

void storePtr ( size_t  id, Trampoline  func  )

inlineprivate

Definition at line 190 of file visitingtool-concept.cpp.

References Dispatcher< TAR, TOOL >::table_.

Referenced by Dispatcher< TAR, TOOL >::enrol().

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storedTrampoline()

template<class TAR , class TOOL >

Trampoline storedTrampoline ( size_t  id )

inlineprivate

Definition at line 199 of file visitingtool-concept.cpp.

References Dispatcher< TAR, TOOL >::errorHandler(), and Dispatcher< TAR, TOOL >::table_.

Referenced by Dispatcher< TAR, TOOL >::forwardCall().

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errorHandler()

template<class TAR , class TOOL >

static ReturnType errorHandler ( TAR &  , TOOL &    )

inlinestaticprivate

Definition at line 208 of file visitingtool-concept.cpp.

Referenced by Dispatcher< TAR, TOOL >::storedTrampoline().

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forwardCall()

template<class TAR , class TOOL >

ReturnType forwardCall ( TAR &  target, TOOL &  tool  )

inline

Definition at line 218 of file visitingtool-concept.cpp.

References Dispatcher< TAR, TOOL >::storedTrampoline().

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enrol()

template<class TAR , class TOOL >

template<class TOOLImpl >

void enrol ( TOOLImpl *  typeKey )

inline

Definition at line 227 of file visitingtool-concept.cpp.

References Tag< TOOL >::get(), Dispatcher< TAR, TOOL >::is_known(), and Dispatcher< TAR, TOOL >::storePtr().

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Member Data Documentation

table_

template<class TAR , class TOOL >

std::vector<Trampoline> table_

private

custom VTable for storing the Trampoline pointers

Definition at line 180 of file visitingtool-concept.cpp.

Referenced by Dispatcher< TAR, TOOL >::is_known(), Dispatcher< TAR, TOOL >::storedTrampoline(), and Dispatcher< TAR, TOOL >::storePtr().

instance

template<class TAR , class TOOL >

lib::Depend< Dispatcher< TAR, TOOL > > instance

static

storage for the dispatcher table(s)

Definition at line 215 of file visitingtool-concept.cpp.

Referenced by Applicable< TAR, TOOLImpl, BASE >::Applicable(), and Visitable< TOOL >::dispatchOp().

Collaboration diagram for Dispatcher< TAR, TOOL >:

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

• visitingtool-concept.cpp