summaryrefslogtreecommitdiff
path: root/object.c
diff options
context:
space:
mode:
Diffstat (limited to 'object.c')
-rw-r--r--object.c47
1 files changed, 28 insertions, 19 deletions
diff --git a/object.c b/object.c
index 3885d9bf70..34eac51a1d 100644
--- a/object.c
+++ b/object.c
@@ -252,6 +252,33 @@ rb_obj_singleton_class(VALUE obj)
return rb_singleton_class(obj);
}
+void
+rb_obj_copy_ivar(VALUE dest, VALUE obj)
+{
+ if (!(RBASIC(dest)->flags & ROBJECT_EMBED) && ROBJECT_IVPTR(dest)) {
+ xfree(ROBJECT_IVPTR(dest));
+ ROBJECT(dest)->as.heap.ivptr = 0;
+ ROBJECT(dest)->as.heap.numiv = 0;
+ ROBJECT(dest)->as.heap.iv_index_tbl = 0;
+ }
+ if (RBASIC(obj)->flags & ROBJECT_EMBED) {
+ MEMCPY(ROBJECT(dest)->as.ary, ROBJECT(obj)->as.ary, VALUE, ROBJECT_EMBED_LEN_MAX);
+ RBASIC(dest)->flags |= ROBJECT_EMBED;
+ }
+ else {
+ long len = ROBJECT(obj)->as.heap.numiv;
+ VALUE *ptr = 0;
+ if (len > 0) {
+ ptr = ALLOC_N(VALUE, len);
+ MEMCPY(ptr, ROBJECT(obj)->as.heap.ivptr, VALUE, len);
+ }
+ ROBJECT(dest)->as.heap.ivptr = ptr;
+ ROBJECT(dest)->as.heap.numiv = len;
+ ROBJECT(dest)->as.heap.iv_index_tbl = ROBJECT(obj)->as.heap.iv_index_tbl;
+ RBASIC(dest)->flags &= ~ROBJECT_EMBED;
+ }
+}
+
static void
init_copy(VALUE dest, VALUE obj)
{
@@ -264,25 +291,7 @@ init_copy(VALUE dest, VALUE obj)
rb_gc_copy_finalizer(dest, obj);
switch (TYPE(obj)) {
case T_OBJECT:
- if (!(RBASIC(dest)->flags & ROBJECT_EMBED) && ROBJECT_IVPTR(dest)) {
- xfree(ROBJECT_IVPTR(dest));
- ROBJECT(dest)->as.heap.ivptr = 0;
- ROBJECT(dest)->as.heap.numiv = 0;
- ROBJECT(dest)->as.heap.iv_index_tbl = 0;
- }
- if (RBASIC(obj)->flags & ROBJECT_EMBED) {
- MEMCPY(ROBJECT(dest)->as.ary, ROBJECT(obj)->as.ary, VALUE, ROBJECT_EMBED_LEN_MAX);
- RBASIC(dest)->flags |= ROBJECT_EMBED;
- }
- else {
- long len = ROBJECT(obj)->as.heap.numiv;
- VALUE *ptr = ALLOC_N(VALUE, len);
- MEMCPY(ptr, ROBJECT(obj)->as.heap.ivptr, VALUE, len);
- ROBJECT(dest)->as.heap.ivptr = ptr;
- ROBJECT(dest)->as.heap.numiv = len;
- ROBJECT(dest)->as.heap.iv_index_tbl = ROBJECT(obj)->as.heap.iv_index_tbl;
- RBASIC(dest)->flags &= ~ROBJECT_EMBED;
- }
+ rb_obj_copy_ivar(dest, obj);
break;
case T_CLASS:
case T_MODULE: