5 commits

Author	SHA1	Message	Date
Daniel Kang	de70f7c40d	trying to optimize VM by cutting some repeated codes	2019-01-13 15:21:19 -08:00
Daniel Kang	ca128af33b	reduce number of memory allocation in object binary operators	2019-01-13 14:24:39 -08:00
Daniel Kang	967ed03ccc	fix a bug in tail-call optimization code	2019-01-13 02:24:32 -08:00
Daniel Kang	b802132c94	remove VM.Stack() function	2019-01-11 21:50:23 -08:00
Daniel Kang	27438eea6f	update directory package structure	2019-01-11 02:27:28 -08:00