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;; Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
;; All rights reserved.
;; Copyright (C) 2007, Gabriel Dos Reis.
;; All rights reserved.
;;
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions are
;; met:
;;
;; - Redistributions of source code must retain the above copyright
;; notice, this list of conditions and the following disclaimer.
;;
;; - Redistributions in binary form must reproduce the above copyright
;; notice, this list of conditions and the following disclaimer in
;; the documentation and/or other materials provided with the
;; distribution.
;;
;; - Neither the name of The Numerical ALgorithms Group Ltd. nor the
;; names of its contributors may be used to endorse or promote products
;; derived from this software without specific prior written permission.
;;
;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
;; IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
;; TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
;; PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
;; OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
;; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
;; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
;; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
;; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;; lisp support for creating domain stubs
(in-package "BOOT")
;;(SETQ |$optimizableConstructorNames| nil)
(defstruct domain constructor args
(dollar (check-dollar-fields constructor args)))
(defstruct (old-compiler-domain (:include domain) (:conc-name oldom-))
(devaluate (if dollar (|devaluate| dollar)
(CONS constructor (MAPCAR #'|devaluate| args))))
(vector nil))
(defun check-dollar-fields (constructor arglist)
(if (some #'(lambda (x) (and (domain-p x) (domain-dollar x))) arglist)
(apply constructor (mapcar #'(lambda (x) (if (domain-p x)
(or (domain-dollar x) x)
x)) arglist))
nil))
(defun |domain?| (x) (domain-p x))
(defun |Mapping| (&rest args)
(make-old-compiler-domain :constructor '|Mapping| :args args
:vector '|Mapping0|))
(defun |Record| (&rest args)
(make-old-compiler-domain :constructor '|Record| :args args
:vector '|Record0|))
(defun |Union| (&rest args)
(make-old-compiler-domain :constructor '|Union| :args args
:vector '|Union0|))
(defun |devaluate| (x &aux tag dom)
(cond ((REFVECP x)
(if (> (QVSIZE x) 5)
(cond ((equal (qvelt x 3) '(|Category|))
(qvelt x 0))
;; next line will become obsolete
((|isFunctor| (qvelt x 0)) (qvelt x 0))
((domain-p (qvelt x 0)) (|devaluate| (qvelt x 0)))
(t x))
x))
((and (pairp x) (eq (car x) '|:|) (dcq (tag dom) (cdr x)))
(list (car x) tag (|devaluate| dom)))
; 20030527 note that domain-p does not exist
((not (domain-p x)) x)
; 20030527 note that old-compiler-domain-p does not exist
((old-compiler-domain-p x) (oldom-devaluate x))
(t (error "devaluate of new compiler domain"))))
(defun |domainEqual| (x y)
(cond ((old-compiler-domain-p x)
(if (old-compiler-domain-p y)
(equalp (oldom-devaluate x) (oldom-devaluate y))
nil))
((old-compiler-domain-p y) nil)
(t (error "no new compiler domains yet"))))
(defun |domainSelectDollar| (dom)
(or (domain-dollar dom) dom))
(defun |domainSetDollar| (dom dollar)
(setf (domain-dollar dom) dollar)
(if (old-compiler-domain-p dom)
(setf (oldom-devaluate dom) (|devaluate| dollar))))
(defun |domainSelectVector| (dom)
(let ((vec (oldom-vector dom)))
(cond ((vectorp vec) vec)
((null vec) nil)
((symbolp vec) ;; case for Records and Unions
(setq vec (funcall vec (domain-args dom)))
(setf (elt vec 0) dom)
(setf (oldom-vector dom) vec))
((or (fboundp (car vec))
(|loadLib| (cdr vec)) t)
(instantiate (car vec) dom)))))
;;(defun instantiate (innername dom)
;; (let ((vec (apply innername (domain-args dom))))
;; (setelt vec 0 dom)
;; (setf (oldom-vector dom) vec)
;; vec))
(defun instantiate (innername dom)
(let* ((infovec (get (domain-constructor dom) '|infovec|))
(|$dollarVec| (getrefv (size (car infovec )))))
(declare (special |$dollarVec|))
(setf (elt |$dollarVec| 0) dom)
(setf (elt |$dollarVec| 1)
(list (symbol-function (|getLookupFun| infovec))
|$dollarVec|
(elt infovec 1)))
(setf (elt |$dollarVec| 2) (elt infovec 2))
(setf (oldom-vector dom) |$dollarVec|)
(apply innername (domain-args dom))
|$dollarVec|))
(defun universal-domain-constructor (&rest args-env)
(let* ((args (fix-domain-args (butlast args-env)))
(env (car (last args-env))))
(check-constructor-cache env args)))
(defun fix-domain-args (args)
(mapcar #'(lambda (x) (if (and (vectorp x) (domain-p (elt x 0)))
(elt x 0) x)) args))
(defun universal-nocache-domain-constructor (&rest args-env)
(let* ((args (butlast args-env))
(env (car (last args-env))))
(make-old-compiler-domain :constructor (car env)
:args args
:vector (cdr env))))
(defun universal-category-defaults-constructor (&rest args-env)
(let* ((args (butlast args-env))
(env (car (last args-env))))
(make-old-compiler-domain :constructor (car env)
:args args
:dollar (car args)
:vector (cdr env))))
(defun cached-constructor (cname)
(if (or (|isCategoryPackageName| cname)
(and (boundp '|$mutableDomains|)
(memq cname |$mutableDomains|)))
nil
t))
(defun |makeDomainStub| (con)
(|systemDependentMkAutoload| (|constructor?| con) con))
(defun |mkAutoLoad| (fn cname)
(cond ((or (memq cname |$CategoryNames|)
(eq (GETDATABSE cname 'CONSTRUCTORKIND) '|category|))
(function (lambda (&rest args)
(|autoLoad| fn cname)
(apply cname args))))
(t (|systemDependentMkAutoload| fn cname)
(symbol-function cname))))
(defun |systemDependentMkAutoload| (fn cname)
(let* ((cnameInner (intern (strconc cname ";")))
(env (list* cname cnameInner fn))
(spadfun
(cond ((|isCategoryPackageName| cname)
(cons #'universal-category-defaults-constructor env))
((and (boundp '|$mutableDomains|)
(memq cname |$mutableDomains|))
(cons #'universal-nocache-domain-constructor env))
(t (cons #'universal-domain-constructor env)))))
(setf (symbol-function cname) (mkConstructor spadfun))
(set cname spadfun)))
(defun mkConstructor (spadfun)
(function (lambda (&rest args)
(apply (car spadfun) (append args (list (cdr spadfun)))))))
(defun |makeAddDomain| (add-domain dollar)
(cond ((old-compiler-domain-p add-domain)
(make-old-compiler-domain :constructor (domain-constructor add-domain)
:args (domain-args add-domain)
:dollar dollar
:vector (cddr (eval (domain-constructor add-domain)))))
(t (error "no new compiler adds supported yet"))))
(defun check-constructor-cache (env arglist)
(let ((dollar (check-dollar-fields (car env) arglist)))
(if dollar (make-old-compiler-domain :constructor (car env)
:args arglist
:dollar dollar
:vector (cdr env))
(let* ((constructor (car env))
(devargs (mapcar #'|devaluate| arglist))
(cacheddom
(|lassocShiftWithFunction| devargs
(HGET |$ConstructorCache| constructor)
#'|domainEqualList|)))
(if cacheddom (|CDRwithIncrement| cacheddom)
(cdr (|haddProp| |$ConstructorCache| constructor devargs
(cons 1 (make-old-compiler-domain :constructor constructor
:args arglist
:devaluate
(cons constructor devargs)
:vector (cdr env))))))))))
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