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master
Rohit Grover 2015-11-03 10:52:43 +00:00
parent 9d92facf33
commit 3cd2c31e10
1 changed files with 11 additions and 13 deletions
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24
ble/FunctionPointerWithContext.h
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@ -19,8 +19,6 @@
#include <string.h>
/** A class for storing and calling a pointer to a static or member void function
* which takes a context.
*/
@ -107,10 +105,10 @@ private:
template<typename T>
static void membercaller(pFunctionPointerWithContext_t self, ContextType context) {
if (self->_memberFunctionAndPointer._object) {
T *o = static_cast<T *>(self->_memberFunctionAndPointer._object);
T *o = static_cast<T *>(self->_memberFunctionAndPointer._object);
void (T::*m)(ContextType);
memcpy((char*) &m, self->_memberFunctionAndPointer._memberFunction, sizeof(m));
(o->*m)(context);
(o->*m)(context);
}
}
@ -122,9 +120,9 @@ private:
struct MemberFunctionAndPtr {
/*
* forward declaration of a class and a member function to this class.
* Because the compiler doesn't know anything about the forwarded member
* function, it will always use the biggest size and the biggest alignment
* forward declaration of a class and a member function to this class.
* Because the compiler doesn't know anything about the forwarded member
* function, it will always use the biggest size and the biggest alignment
* that a member function can take for objects of type UndefinedMemberFunction.
*/
class UndefinedClass;
@ -133,17 +131,17 @@ private:
void* _object;
union {
char _memberFunction[sizeof(UndefinedMemberFunction)];
UndefinedMemberFunction _alignment;
UndefinedMemberFunction _alignment;
};
};
union {
pvoidfcontext_t _function; /**< static function pointer - NULL if none attached */
/**
* object this pointer and pointer to member -
* _memberFunctionAndPointer._object will be NULL if none attached
*/
MemberFunctionAndPtr _memberFunctionAndPointer;
/**
* object this pointer and pointer to member -
* _memberFunctionAndPointer._object will be NULL if none attached
*/
MemberFunctionAndPtr _memberFunctionAndPointer;
};
void (*_caller)(FunctionPointerWithContext*, ContextType);