37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
#ifndef _fencer_message_receiver_h
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#define _fencer_message_receiver_h
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#include "stdint.h"
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#include "typeclass_helpers.h"
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typedef uint32_t MessageID;
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typedef struct IMessageReceiver {
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void* (*const handle_message)(void*, MessageID, uintptr_t);
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} IMessageReceiver;
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typedef struct MessageReceiver {
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void* data;
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IMessageReceiver const* tc;
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} MessageReceiver;
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extern void* message_receiver_refuse(void* self, MessageID id, uintptr_t);
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extern MessageReceiver message_receiver_no_implementation(void* x);
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#define impl_no_MessageReceiver_for(T)\
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static inline MessageReceiver T##_as_MessageReceiver(T* x) {\
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return message_receiver_no_implementation(x);\
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}
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#define impl_MessageReceiver_for(T, handle_message_f)\
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static inline MessageReceiver T##_as_MessageReceiver(T* x) {\
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TC_FN_TYPECHECK(void*, handle_message_f, T*, MessageID, uintptr_t);\
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static IMessageReceiver const tc = {\
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.handle_message = (void*(*const)(void*,MessageID,uintptr_t)) handle_message_f,\
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};\
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return (MessageReceiver){.data = x, .tc = &tc};\
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}
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#endif // !_fencer_message_receiver_h
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