X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcode%2Ftarget-defstruct.lisp;h=810ebce8e2e20aac65129ace8cf3fa6f633a8d56;hb=51e63f301624e39febdd85b5feba19b7c980f307;hp=31501ff3a16aac48a9c448d068f600ef699858d5;hpb=0aecc2b20142e08068c3434273500131cb13fe2d;p=sbcl.git diff --git a/src/code/target-defstruct.lisp b/src/code/target-defstruct.lisp index 31501ff..810ebce 100644 --- a/src/code/target-defstruct.lisp +++ b/src/code/target-defstruct.lisp @@ -71,8 +71,11 @@ (defun %raw-instance-set/complex-double (instance index new-value) (declare (type index index) (type (complex double-float) new-value)) - (%raw-instance-set/complex-double instance index new-value))) + (%raw-instance-set/complex-double instance index new-value)) +) ; #!-HPPA +#!+hppa +(progn (defun %raw-ref-single (vec index) (declare (type index index)) (%raw-ref-single vec index)) @@ -124,6 +127,7 @@ (defun %raw-set-complex-long (vec index val) (declare (type index index)) (%raw-set-complex-long vec index val)) +) ; #!+HPPA (defun %instance-layout (instance) (%instance-layout instance)) @@ -143,37 +147,10 @@ (%set-funcallable-instance-info fin i new-value)) (defun funcallable-instance-fun (fin) - (%funcallable-instance-lexenv fin)) - -;;; The heart of the magic of funcallable instances ("FINs"). When -;;; called (as with any other function), we grab the code pointer, and -;;; call it, leaving the original function object in LEXENV (in case -;;; it was a closure). If it is actually a FIN, then we need to do an -;;; extra indirection with funcallable-instance-lexenv to get at any -;;; closure environment. This extra indirection is set up when -;;; accessing the closure environment of an INSTANCE-LAMBDA. Note that -;;; the original FIN pointer is lost, so if the called function wants -;;; to get at the original object to do some slot accesses, it must -;;; close over the FIN object. -;;; -;;; If we set the FIN function to be a FIN, we directly copy across -;;; both the code pointer and the lexenv, since that code pointer (for -;;; an instance-lambda) is expecting that lexenv to be accessed. This -;;; effectively pre-flattens what would otherwise be a chain of -;;; indirections. (That used to happen when PCL dispatch functions -;;; were byte-compiled; now that the byte compiler is gone, I can't -;;; think of another example offhand. -- WHN 2001-10-06) -;;; -;;; The only loss is that if someone accesses the -;;; FUNCALLABLE-INSTANCE-FUN, then won't get a FIN back. This -;;; probably doesn't matter, since PCL only sets the FIN function. + (%funcallable-instance-function fin)) + (defun (setf funcallable-instance-fun) (new-value fin) - (setf (%funcallable-instance-fun fin) - (%closure-fun new-value)) - (setf (%funcallable-instance-lexenv fin) - (if (funcallable-instance-p new-value) - (%funcallable-instance-lexenv new-value) - new-value))) + (setf (%funcallable-instance-function fin) new-value)) ;;; service function for structure constructors (defun %make-instance-with-layout (layout)