. . . . . "stack-based processor" . "stack-based abstract machine" . . "stack-based" . "Stack machine" . . . . . . "stack-based machines" . "stack" . "stack machine" . . "accumulator stack" . . "stack based" . . . . . . . . . . . . . "two-stack machine" . . "virtual stack machines" . . "Stack machine" . . "machine" . . . . "Stack" . . "push down stack" . . . . . . . . . . .