struct mapaccess_ret
mapaccess (struct __go_map_type *mt, uintptr_t m, uintptr_t key_i)
{
struct __go_map *map = (struct __go_map *) m;
void *key;
const struct __go_type_descriptor *key_descriptor;
void *p;
const struct __go_type_descriptor *val_descriptor;
struct mapaccess_ret ret;
void *val;
void *pv;
__go_assert (mt->__common.__code == GO_MAP);
key_descriptor = mt->__key_type;
if (__go_is_pointer_type (key_descriptor))
key = &key_i;
else
key = (void *) key_i;
if (map == NULL)
p = NULL;
else
p = __go_map_index (map, key, 0);
val_descriptor = mt->__val_type;
if (__go_is_pointer_type (val_descriptor))
{
val = NULL;
pv = &val;
}
else
{
val = __go_alloc (val_descriptor->__size);
pv = val;
}
if (p == NULL)
ret.pres = 0;
else
{
__builtin_memcpy (pv, p, val_descriptor->__size);
ret.pres = 1;
}
ret.val = (uintptr_t) val;
return ret;
}
struct __go_map *
__go_construct_map (const struct __go_map_descriptor *descriptor,
size_t count, size_t entry_size, size_t val_offset,
size_t val_size, const void *ventries)
{
struct __go_map *ret;
const unsigned char *entries;
size_t i;
ret = __go_new_map (descriptor, count);
entries = (const unsigned char *) ventries;
for (i = 0; i < count; ++i)
{
void *val = __go_map_index (ret, entries, 1);
__builtin_memcpy (val, entries + val_offset, val_size);
entries += entry_size;
}
return ret;
}
void
mapassign (struct __go_map_type *mt, uintptr_t m, uintptr_t key_i,
uintptr_t val_i, _Bool pres)
{
struct __go_map *map = (struct __go_map *) m;
const struct __go_type_descriptor *key_descriptor;
void *key;
__go_assert (mt->__common.__code == GO_MAP);
if (map == NULL)
__go_panic_msg ("assignment to entry in nil map");
key_descriptor = mt->__key_type;
if (__go_is_pointer_type (key_descriptor))
key = &key_i;
else
key = (void *) key_i;
if (!pres)
__go_map_delete (map, key);
else
{
void *p;
const struct __go_type_descriptor *val_descriptor;
void *pv;
p = __go_map_index (map, key, 1);
val_descriptor = mt->__val_type;
if (__go_is_pointer_type (val_descriptor))
pv = &val_i;
else
pv = (void *) val_i;
__builtin_memcpy (p, pv, val_descriptor->__size);
}
}
