+ (frob weakend-type-restrictions lexenv-weakend-type-restrictions)
+ lambda cleanup policy)))
+
+;;; Makes a LEXENV, suitable for using in a MACROLET introduced
+;;; macroexpander
+(defun make-restricted-lexenv (lexenv)
+ (flet ((fun-good-p (fun)
+ (destructuring-bind (name . thing) fun
+ (declare (ignore name))
+ (etypecase thing
+ (functional nil)
+ (global-var t)
+ (cons (aver (eq (car thing) 'macro))
+ t))))
+ (var-good-p (var)
+ (destructuring-bind (name . thing) var
+ (declare (ignore name))
+ (etypecase thing
+ (leaf nil)
+ (cons (aver (eq (car thing) 'macro))
+ t)
+ (heap-alien-info nil)))))
+ (internal-make-lexenv
+ (remove-if-not #'fun-good-p (lexenv-funs lexenv))
+ (remove-if-not #'var-good-p (lexenv-vars lexenv))
+ nil
+ nil
+ (lexenv-type-restrictions lexenv) ; XXX
+ (lexenv-weakend-type-restrictions lexenv)
+ nil
+ nil
+ (lexenv-policy lexenv))))