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/* low level interface to the type descriptor mechanism. */
#include "Types.h"
#include "__StdTypes.h"
#include "__Descr.h"
#include "__config.h"
#include "__libc.h"
/* number of bytes between start of memory block and start of user defined
data: */
#define OFFSET_PTR 8
static _ModId _mid;
/* module descriptor */
static const struct {
int length;
void* pad;
const char name[6];
} _n0 = {6, NULL, {"Types"}};
static struct _MD Types_md = {
NULL,
&Kernel__ModuleDesc_td.td,
{
NULL,
(const unsigned char*)_n0.name,
-1,
NULL
}
};
Types__Type Types_BaseOf (Types__Type t, INTEGER level) {
if ((0 <= level) && (level <= t->level)) {
return t->btypes[level];
} else {
return NULL;
}
}
INTEGER Types_LevelOf (Types__Type t) {
return t->level;
}
void Types_NewObj (PTR (* o), Types__Type t) {
char* mem = GC_malloc(t->size+OFFSET_PTR);
char* var = mem+OFFSET_PTR;
#if !USE_GC
(void)memset((void*)mem, 0, t->size+OFFSET_PTR);
#endif
((Types__Type*)var)[-1] = t;
*o = var;
}
Types__Type Types_This (Kernel__Module mod, const CHAR *name) {
Types__Type td = (Types__Type)mod->tdescs;
while (td) {
if (!strcmp((const char*)name, (const char*)td->name)) {
return td;
}
td = td->next;
};
return NULL;
}
Types__Type Types_TypeOf (PTR o) {
return ((Types__Type*)o)[-1];
}
void Types_init (void) {
_mid = _register_module (&Types_md.md, NULL);
}
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