Files
evol-headers/ev_types.h

86 lines
3.0 KiB
C

#ifndef EV_HEADERS_TYPES_H
#define EV_HEADERS_TYPES_H
#include "ev_macros.h"
#include "ev_internal.h"
typedef void(*ev_copy_fn)(void *dst, void *src);
typedef void(*ev_free_fn)(void *self);
typedef __ev_uint64_t(*ev_hash_fn)(void *self);
typedef struct {
EV_DEBUG(const char *name;)
__ev_uint32_t size;
__ev_uint32_t alignment;
ev_copy_fn copy_fn;
ev_free_fn free_fn;
ev_hash_fn hash_fn;
void *default_val;
void *invalid_val;
} EvTypeData;
#define COPY_FUNCTION(T,name) EV_CAT(EV_CAT(EV_CAT(EV_COPY_FUNCTION_,T),_),name)
#define FREE_FUNCTION(T,name) EV_CAT(EV_CAT(EV_CAT(EV_FREE_FUNCTION_,T),_),name)
#define HASH_FUNCTION(T,name) EV_CAT(EV_CAT(EV_CAT(EV_HASH_FUNCTION_,T),_),name)
#define DEFINE_COPY_FUNCTION(T,name) void COPY_FUNCTION(T,name)(T *dst, T *src)
#define DEFINE_DEFAULT_COPY_FUNCTION(T) \
DEFINE_COPY_FUNCTION(T,DEFAULT) { *dst = *src; }
#define DEFINE_FREE_FUNCTION(T,name) void FREE_FUNCTION(T,name)(T *self)
#define DEFINE_DEFAULT_FREE_FUNCTION(T) \
DEFINE_FREE_FUNCTION(T,DEFAULT) { (void)self; }
#define DEFINE_HASH_FUNCTION(T,name) void HASH_FUNCTION(T,name)(T *self)
#define DEFINE_DEFAULT_HASH_FUNCTION(T) \
DEFINE_HASH_FUNCTION(T,DEFAULT) { (void)self; EV_UNIMPLEMENTED(); } // TODO: Add a default hash function
#define DECLARE_COPY_FUNCTION(T,name) DEFINE_COPY_FUNCTION(T,name);
#define DECLARE_FREE_FUNCTION(T,name) DEFINE_FREE_FUNCTION(T,name);
#define DECLARE_HASH_FUNCTION(T,name) DEFINE_HASH_FUNCTION(T,name);
#define EV_TYPEDEF(T, ...) \
typedef __VA_ARGS__ T; \
DEFINE_DEFAULT_COPY_FUNCTION(T) \
DEFINE_DEFAULT_FREE_FUNCTION(T) \
DEFINE_DEFAULT_HASH_FUNCTION(T)
#define TypeData(T) EV_CAT(EV_TYPEDATA_,T)
#define TYPEDATA_GEN(T, ...) \
static const EvTypeData TypeData(T) = { \
EV_DEBUG(.name = EV_STRINGIZE(T),) \
.size = sizeof(T), \
.alignment = EV_ALIGNOF(T), \
.copy_fn = (ev_copy_fn)COPY_FUNCTION(T, DEFAULT), \
.hash_fn = (ev_hash_fn)HASH_FUNCTION(T, DEFAULT), \
.free_fn = (ev_free_fn)HASH_FUNCTION(T, DEFAULT), \
.default_val = (void*)&(T){}, \
.invalid_val = default_val, \
__VA_OPT__(EV_FOREACH_UDATA(__EV_STRUCT_METHOD_DEF, T, __VA_ARGS__)) \
}
#define __EV_STRUCT_METHOD_DEF(T, ...) EV_CAT(__EV_,EV_CAT(EV_HEAD __VA_ARGS__,_FN))(T, EV_TAIL __VA_ARGS__)
#define COPY(...) (COPY, __VA_ARGS__)
#define FREE(...) (FREE, __VA_ARGS__)
#define HASH(...) (HASH, __VA_ARGS__)
#define DEFAULT(...) (DEFAULT, __VA_ARGS__)
#define INVALID(...) (INVALID, __VA_ARGS__)
#define __EV_COPY_FN(T,name) .copy_fn = (ev_copy_fn)COPY_FUNCTION(T,name),
#define __EV_FREE_FN(T,name) .free_fn = (ev_free_fn)FREE_FUNCTION(T,name),
#define __EV_HASH_FN(T,name) .hash_fn = (ev_hash_fn)HASH_FUNCTION(T,name),
#define __EV_DEFAULT_FN(T, ...) .default_val = (void*)&(T){ __VA_ARGS__ },
#define __EV_INVALID_FN(T, ...) .invalid_val = (void*)&(T){ __VA_ARGS__ },
#define EV_COPY(T) TypeData(T).copy_fn
#define EV_FREE(T) TypeData(T).free_fn
#define EV_HASH(T) TypeData(T).hash_fn
#define EV_DEFAULT(T) *TypeData(T).default_val
#define EV_INVALID(T) *TypeData(T).invalid_val
#endif // EV_HEADERS_TYPES_H