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make Object.clone() work for arrays

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This commit is contained in:
Joel Dice 2007-09-26 13:45:52 -06:00
parent 1207989f72
commit 770e48c197
1 changed files with 14 additions and 4 deletions
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18
src/builtin.cpp
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@ -101,10 +101,20 @@ Java_java_lang_Object_clone(Thread* t, jclass, jobject o)
{
ENTER(t, Thread::ActiveState);
object clone = make(t, objectClass(t, *o));
memcpy(reinterpret_cast<void**>(clone) + 1,
reinterpret_cast<void**>(*o) + 1,
(baseSize(t, *o, objectClass(t, *o)) - 1) * BytesPerWord);
object class_ = objectClass(t, *o);
unsigned size = baseSize(t, *o, class_) * BytesPerWord;
object clone;
if (classArrayElementSize(t, class_)) {
clone = static_cast<object>(allocate(t, size));
memcpy(clone, *o, size);
} else {
clone = make(t, objectClass(t, *o));
memcpy(reinterpret_cast<void**>(clone) + 1,
reinterpret_cast<void**>(*o) + 1,
size - BytesPerWord);
}
return makeLocalReference(t, clone);
}