Upgrade the infrastructure to support future extensions-pyasc-AtomGit

Star361

Star361

已合并

Upgrade the infrastructure to support future extensions #157

Maksim Vlasov创建于 8月11日从compiler-team/pyasc： mv/upstreamasc 合入到 cann/pyasc： master

Upgrade the infrastructure to support future extensions #157

已合并

Maksim Vlasov创建于 8月11日

从compiler-team/pyasc mv/upstreamasc合入到cann/pyasc master