shithub: plan9front

ref: 5f7a6b7ea3c4ae1b51beffe3309e9b6b0491e71f
dir: /sys/src/cmd/postscript/psfiles/unbind.ps/

%
% Unbind the operators in an executable array or packedarray. Leaves the
% unbound array or the original object on the stack.
%

/unbind {
	0 index xcheck
	1 index type /arraytype eq
	2 index type /packedarraytype eq or and {
		dup length array copy cvx
		dup 0 exch {
			dup type /operatortype eq {
				(                          ) cvs cvn cvx
			} if

			0 index xcheck
			1 index type /arraytype eq
			2 index type /packedarraytype eq or and {
				unbind
			} if

			3 copy put pop
			1 add
		} forall
		pop
	} if
} def