(defstruct (function-info #-sb-xc-host (:pure t))
;; Boolean attributes of this function.
- (attributes (required-argument) :type attributes)
+ (attributes (missing-arg) :type attributes)
;; A list of Transform structures describing transforms for this function.
(transforms () :type list)
;; A function which computes the derived type for a call to this function by
(predicate-type nil :type (or ctype null))
;; If non-null, use this function to annotate the known call for the byte
;; compiler. If it returns NIL, then change the call to :full.
- (byte-annotate nil :type (or function null))
- ;; If non-null, use this function to generate the byte code for this known
- ;; call. This function can only give up if there is a byte-annotate function
- ;; that arranged for the functional to be pushed onto the stack.
- (byte-compile nil :type (or function null)))
+ (byte-annotate nil :type (or function null)))
(defprinter (function-info)
(transforms :test transforms)
(ir2-convert :test ir2-convert)
(templates :test templates)
(predicate-type :test predicate-type)
- (byte-annotate :test byte-annotate)
- (byte-compile :test byte-compile))
+ (byte-annotate :test byte-annotate))
\f
;;;; interfaces to defining macros
;;; an IR1 transform
(defstruct (transform (:copier nil))
- ;; the function-type which enables this transform
- (type (required-argument) :type ctype)
+ ;; the function type which enables this transform.
+ ;;
+ ;; (Note that declaring this :TYPE FUN-TYPE probably wouldn't
+ ;; work because some function types, like (SPECIFIER-TYPE 'FUNCTION0
+ ;; itself, are represented as BUILT-IN-TYPE, and at least as of
+ ;; sbcl-0.pre7.54 or so, that's inconsistent with being a
+ ;; FUN-TYPE.)
+ (type (missing-arg) :type ctype)
;; the transformation function. Takes the COMBINATION node and returns a
;; lambda, or throws out.
- (function (required-argument) :type function)
- ;; string used in efficency notes
- (note (required-argument) :type string)
+ (function (missing-arg) :type function)
+ ;; string used in efficiency notes
+ (note (missing-arg) :type string)
;; T if we should emit a failure note even if SPEED=INHIBIT-WARNINGS.
(important nil :type (member t nil))
- ;; usable for byte code, native code, or both
+ ;; usable for byte code, native code, or both?
+ ;;
+ ;; FIXME: Now that there's no byte compiler, this is stale and could
+ ;; all go away.
(when :native :type (member :byte :native :both)))
(defprinter (transform) type note important when)
(eq (transform-when x) when)))
(function-info-transforms info))))
(if old
- (setf (transform-function old) fun (transform-note old) note)
+ (setf (transform-function old) fun
+ (transform-note old) note)
(push (make-transform :type ctype :function fun :note note
:important important :when when)
(function-info-transforms info)))
(info (make-function-info :attributes attributes
:derive-type derive-type
:optimizer optimizer))
- (target-env (or *backend-info-environment* *info-environment*)))
+ (target-env *info-environment*))
(dolist (name names)
(let ((old-function-info (info :function :info name)))
(when old-function-info
;;; through here.
(declaim (ftype (function (t) function-info) function-info-or-lose))
(defun function-info-or-lose (name)
- (let ((*info-environment* (or *backend-info-environment*
- *info-environment*)))
+ (let (;; FIXME: Do we need this rebinding here? It's a literal
+ ;; translation of the old CMU CL rebinding to
+ ;; (OR *BACKEND-INFO-ENVIRONMENT* *INFO-ENVIRONMENT*),
+ ;; and it's not obvious whether the rebinding to itself is
+ ;; needed that SBCL doesn't need *BACKEND-INFO-ENVIRONMENT*.
+ (*info-environment* *info-environment*))
(let ((old (info :function :info name)))
(unless old (error "~S is not a known function." name))
(setf (info :function :info name) (copy-function-info old)))))
;;; argument. If arg is a list, result is a list. If arg is a vector, result
;;; is a vector with the same element type.
(defun sequence-result-nth-arg (n)
- #'(lambda (call)
- (declare (type combination call))
- (let ((cont (nth (1- n) (combination-args call))))
- (when cont
- (let ((type (continuation-type cont)))
- (if (array-type-p type)
- (specifier-type
- `(vector ,(type-specifier (array-type-element-type type))))
- (let ((ltype (specifier-type 'list)))
- (when (csubtypep type ltype)
- ltype))))))))
+ (lambda (call)
+ (declare (type combination call))
+ (let ((cont (nth (1- n) (combination-args call))))
+ (when cont
+ (let ((type (continuation-type cont)))
+ (if (array-type-p type)
+ (specifier-type
+ `(vector ,(type-specifier (array-type-element-type type))))
+ (let ((ltype (specifier-type 'list)))
+ (when (csubtypep type ltype)
+ ltype))))))))
;;; Derive the type to be the type specifier which is the N'th arg.
(defun result-type-specifier-nth-arg (n)