46 lines
914 B
C
46 lines
914 B
C
#include "factor.h"
|
|
|
|
F_SBUF* sbuf(F_FIXNUM capacity)
|
|
{
|
|
F_SBUF* sbuf;
|
|
if(capacity < 0)
|
|
general_error(ERROR_NEGATIVE_ARRAY_SIZE,tag_fixnum(capacity));
|
|
sbuf = allot_object(SBUF_TYPE,sizeof(F_SBUF));
|
|
sbuf->top = tag_fixnum(0);
|
|
sbuf->string = tag_object(string(capacity,'\0'));
|
|
return sbuf;
|
|
}
|
|
|
|
void primitive_sbuf(void)
|
|
{
|
|
CELL size = to_fixnum(dpeek());
|
|
maybe_gc(sizeof(F_SBUF) + string_size(size));
|
|
drepl(tag_object(sbuf(size)));
|
|
}
|
|
|
|
void primitive_sbuf_to_string(void)
|
|
{
|
|
F_STRING* result;
|
|
F_SBUF* sbuf = untag_sbuf(dpeek());
|
|
F_STRING* string = untag_string(sbuf->string);
|
|
CELL length = untag_fixnum_fast(sbuf->top);
|
|
|
|
result = allot_string(length);
|
|
memcpy(result + 1,
|
|
(void*)((CELL)(string + 1)),
|
|
CHARS * length);
|
|
rehash_string(result);
|
|
|
|
drepl(tag_object(result));
|
|
}
|
|
|
|
void fixup_sbuf(F_SBUF* sbuf)
|
|
{
|
|
data_fixup(&sbuf->string);
|
|
}
|
|
|
|
void collect_sbuf(F_SBUF* sbuf)
|
|
{
|
|
copy_handle(&sbuf->string);
|
|
}
|