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|
(in-package "JVM")
(include-book "misc/records" :dir :system)
(include-book "../M6-DJVM-shared/jvm-class-table")
(include-book "../M6-DJVM-shared/jvm-env")
(include-book "../M6-DJVM-shared/jvm-internal-primitives")
(acl2::set-verify-guards-eagerness 2)
; The following originally is from djvm-state.lisp. Guard verified.
;----------------------------------------------------------------------
(defun make-state (ip cur javaheap thread-table internal-class-table env
error-flag aux)
(list 'state
ip
cur
(cons 'heap javaheap)
(cons 'thread-table thread-table)
internal-class-table
env error-flag
aux))
;;;;
;;;; really want to have the following property.
;;;;
;;;; so modified!!
(defun wff-state (s)
(declare (xargs :verify-guards t))
(and (equal (len s) 9)
(equal (car s) 'state)
(true-listp s)
(integerp (nth 1 s)) ;; updated. Sat May 7 21:17:15 2005
(consp (nth 3 s))
(equal (car (nth 3 s)) 'heap)
(consp (nth 4 s))
(equal (car (nth 4 s)) 'thread-table)))
;; (defun wff-state (s)
;; (declare (xargs :verify-guards t))
;; (and (equal (len s) 9)
;; (true-listp s)
;; (integerp (nth 1 s)) ;; updated. Sat May 7 21:17:15 2005
;; (consp (nth 3 s))
;; (consp (nth 4 s))
;; (equal (car s) 'state)))
;; (skip-proofs
;; (defthm wff-state-implies-make-state-equal-state
;; (implies (wff-state s)
;; (equal (make-state (pc s)
;; (current-thread s)
;; (heap s)
;; (thread-table s)
;; (class-table s)
;; (env s)
;; (error-flag s)
;; (aux s))
;; s))))
(defun pc (s)
(declare (xargs :guard (wff-state s)))
(nth 1 s)) ;; global register : a number
(defun current-thread (s)
(declare (xargs :guard (wff-state s)))
(nth 2 s)) ;; global register : a number
(defun heap (s)
(declare (xargs :guard (wff-state s)))
(cdr (nth 3 s))) ;; java heap : a list of java Objects
(defun thread-table (s)
(declare (xargs :guard (wff-state s)))
(cdr (nth 4 s))) ;; a list of internal rep of threads
(defun class-table (s)
(declare (xargs :guard (wff-state s)))
(nth 5 s)) ;; a list of internal rep of classes
(defun env (s)
(declare (xargs :guard (wff-state s)))
(nth 6 s)) ;; only loader read from env
(defun error-flag (s)
(declare (xargs :guard (wff-state s)))
(nth 7 s)) ;; only loader read from env
(defun aux (s)
(declare (xargs :guard (wff-state s)))
(nth 8 s))
(defun wff-aux (aux)
(declare (ignore aux))
t)
(defun heap-init-map (aux)
(declare (xargs :guard (wff-aux aux)))
(acl2::g 'heap-init-map aux))
;;(i-am-here) ;; Sun Jun 12 23:42:44 2005
(encapsulate ()
(local
(encapsulate ()
(defthm len-equal-0-implies-equal
(implies (and l
(equal (len l) 0))
(not (true-listp l))))
(defthm len-equal-1-implies-equal
(implies (and (true-listp l)
(equal (len l) 1))
(equal (list (car l))
l)))
(defthm len-equal-2-implies-equal
(implies (and (true-listp l)
(equal (len l) 2))
(equal (list (car l)
(nth 1 l))
l)))
(defthm len-equal-3-implies-equal
(implies (and (true-listp l)
(equal (len l) 3))
(equal (list (car l)
(nth 1 l)
(nth 2 l))
l)))
(defthm len-equal-4-implies-equal
(implies (and (true-listp l)
(equal (len l) 4))
(equal (list (car l)
(nth 1 l)
(nth 2 l)
(nth 3 l))
l)))
(defthm len-equal-5-implies-equal
(implies (and (true-listp l)
(equal (len l) 5))
(equal (list (car l)
(nth 1 l)
(nth 2 l)
(nth 3 l)
(nth 4 l))
l)))
(defthm len-equal-6-implies-equal
(implies (and (true-listp l)
(equal (len l) 6))
(equal (list (car l)
(nth 1 l)
(nth 2 l)
(nth 3 l)
(nth 4 l)
(nth 5 l))
l)))
(defthm len-equal-7-implies-equal
(implies (and (true-listp l)
(equal (len l) 7))
(equal (list (car l)
(nth 1 l)
(nth 2 l)
(nth 3 l)
(nth 4 l)
(nth 5 l)
(nth 6 l))
l)))
(defthm len-equal-8-implies-equal
(implies (and (true-listp l)
(equal (len l) 8))
(equal (list (car l)
(nth 1 l)
(nth 2 l)
(nth 3 l)
(nth 4 l)
(nth 5 l)
(nth 6 l)
(nth 7 l))
l)))
(defthm len-equal-8-implies-equal-general
(implies (and (true-listp l)
(equal (len l) 8)
(equal (nth 2 l) nth2)
(equal (nth 3 l) nth3))
(equal (list (car l)
(nth 1 l)
nth2
nth3
(nth 4 l)
(nth 5 l)
(nth 6 l)
(nth 7 l))
l)))))
(defthm wff-state-implies-make-state-equal-state
(implies (wff-state s)
(equal (make-state (pc s)
(current-thread s)
(heap s)
(thread-table s)
(class-table s)
(env s)
(error-flag s)
(aux s))
s))
:hints (("Goal"
:in-theory (enable wff-state
make-state)
:expand
((make-state (pc s)
(current-thread s)
(heap s)
(thread-table s)
(class-table s)
(env s)
(error-flag s)
(aux s))
(pc s)
(current-thread s)
(heap s)
(thread-table s)
(class-table s)
(env s)
(error-flag s)
(aux s))))))
;;;
;;; Sun Jun 12 21:07:50 2005
;;; Should not affect much of the old proof!!
;;;
;; generic functions to modify the state. hide the internal structures.
(defun state-set-pc (pc s)
(declare (xargs :guard (wff-state s)))
(make-state pc
(current-thread s)
(heap s)
(thread-table s)
(class-table s)
(env s)
(error-flag s)
(aux s)))
(defun state-set-current-thread (id s)
(declare (xargs :guard (wff-state s)))
(make-state (pc s)
id
(heap s)
(thread-table s)
(class-table s)
(env s)
(error-flag s)
(aux s)))
(defun state-set-heap (heap s)
(declare (xargs :guard (wff-state s)))
(make-state (pc s)
(current-thread s)
heap
(thread-table s)
(class-table s)
(env s)
(error-flag s)
(aux s)))
(defun state-set-thread-table (tt s)
(declare (xargs :guard (wff-state s)))
(make-state (pc s)
(current-thread s)
(heap s)
tt
(class-table s)
(env s)
(error-flag s)
(aux s)))
(defun state-set-class-table (ct s)
(declare (xargs :guard (wff-state s)))
(make-state (pc s)
(current-thread s)
(heap s)
(thread-table s)
ct
(env s)
(error-flag s)
(aux s)))
(defun state-set-env (env s)
(declare (xargs :guard (wff-state s)))
(make-state (pc s)
(current-thread s)
(heap s)
(thread-table s)
(class-table s)
env
(error-flag s)
(aux s)))
(defun state-set-error-flag (ef s)
(declare (xargs :guard (wff-state s)))
(make-state (pc s)
(current-thread s)
(heap s)
(thread-table s)
(class-table s)
(env s)
ef
(aux s)))
(defun state-set-aux (aux s)
(declare (xargs :guard (wff-state s)))
(make-state (pc s)
(current-thread s)
(heap s)
(thread-table s)
(class-table s)
(env s)
(error-flag s)
aux))
(defthm state-accessor
(mylet* ((s (make-state pc th hp tt cl env ef aux)))
(and (equal (pc s) pc)
(equal (current-thread s) th)
(equal (thread-table s) tt)
(equal (heap s) hp)
(equal (class-table s) cl)
(equal (env s) env)
(equal (error-flag s) ef)
(equal (aux s) aux))))
;----------------------------------------------------------------------
(defun instance-class-table (S)
(declare (xargs :guard (and (wff-state s)
(wff-class-table (class-table s)))))
(cdr (nth 1 (class-table s))))
(defun array-class-table (s)
(declare (xargs :guard (and (wff-state s)
(wff-class-table (class-table s)))))
(cdr (nth 2 (class-table s))))
;----------------------------------------------------------------------
;(acl2::set-verify-guards-eagerness 0) ;; temp Wed Mar 31 11:43:45 2004
; The following comes from m6-state.lisp. There is no need to do guard
; verificaiton.??
; ADD guard verification for DJVM primitives is a big task!! Wed Mar 31
; 11:42:56 2004 and lots of work.
;
;----------------------------------------------------------------------
;
; Eventually we still need to do guard verification...
; Because quite a few functions are neeeded in defining the class loader...
(defun trace-aux (aux)
(acl2::g 'trace aux))
(defun aux-set-trace (trace aux)
(acl2::s 'trace trace aux))
(defun ptable-aux (aux)
(acl2::g 'ptable aux))
(defun set-ptable-aux (ptable aux)
(acl2::s 'ptable ptable aux))
(defun mtrace (s)
(declare (xargs :guard (wff-state s)))
(trace-aux (aux s)))
;; this is used for package!!
(defun pname (n s)
(declare (xargs :guard (and (wff-state s)
(alistp (ptable-aux (aux s))))))
(if (consp (assoc-equal n (ptable-aux (aux s))))
(cdr (assoc-equal n (ptable-aux (aux s))))
nil))
(defun state-set-trace (trace s)
(declare (xargs :guard (wff-state s)))
(state-set-aux (aux-set-trace trace (aux s)) s))
(defun pending-exception-aux (aux)
(acl2::g 'pending-exception aux))
(defun set-pending-exception-aux-safe (pending aux)
(if (not (pending-exception-aux aux))
(acl2::s 'pending-exception pending aux)
aux))
(defun set-pending-exception-aux (pending aux)
(acl2::s 'pending-exception pending aux))
;; (defun state-set-pending-exception-safe (pending s)
;; (state-set-aux (set-pending-exception-aux-safe pending (aux s)) s))
(defun pending-exception (s)
(declare (xargs :guard (wff-state s)))
(pending-exception-aux (aux s)))
(defun state-set-pending-exception-safe (pending s)
(declare (xargs :guard (wff-state s)))
(state-set-aux (set-pending-exception-aux-safe pending (aux s)) s))
(defun state-set-instance-class-table (instance-class-table s)
(declare (xargs :guard (and (wff-state s)
(wff-class-table (class-table s)))))
(state-set-class-table
(make-class-table instance-class-table
(array-class-table s)) s))
(defun state-set-array-class-table (array-class-table s)
(declare (xargs :guard (and (wff-state s)
(wff-class-table (class-table s)))))
(state-set-class-table
(make-class-table (instance-class-table s)
array-class-table) s))
(defun add-instance-class-entry (class-rep class-table)
(cons class-rep class-table))
;----------------------------------------------------------------------
(defun setClassInitialThread (classname init-tid s)
(declare (xargs :guard (and (wff-state s)
(wff-class-table (class-table s))
(wff-instance-class-table (instance-class-table
s))
(wff-class-rep (class-by-name classname
(instance-class-table s))))))
(mylet* ((old-instance-class-table (instance-class-table s))
(old-class-rep (class-by-name classname old-instance-class-table))
(new-class-rep (make-runtime-class-rep
(classname old-class-rep)
(super old-class-rep)
(constantpool old-class-rep)
(fields old-class-rep)
(methods old-class-rep)
(interfaces old-class-rep)
(static-fields old-class-rep)
(class-status old-class-rep)
(class-accessflags old-class-rep)
init-tid
(class-ref old-class-rep)))
(new-instance-class-table
(replace-class-table-entry old-class-rep new-class-rep
old-instance-class-table)))
(state-set-class-table (make-class-table new-instance-class-table
(array-class-table s))
s)))
(defun setClassStatus (classname new-status s)
(declare (xargs :guard (and (wff-state s)
(wff-class-table (class-table s))
(wff-instance-class-table (instance-class-table
s))
(wff-class-rep (class-by-name classname
(instance-class-table s))))))
(let* ((old-instance-class-table (instance-class-table s))
(old-class-rep (class-by-name classname old-instance-class-table))
(new-class-rep (make-runtime-class-rep
(classname old-class-rep)
(super old-class-rep)
(constantpool old-class-rep)
(fields old-class-rep)
(methods old-class-rep)
(interfaces old-class-rep)
(static-fields old-class-rep)
new-status
(class-accessflags old-class-rep)
(init-thread-id old-class-rep)
(class-ref old-class-rep)))
(new-instance-class-table
(replace-class-table-entry old-class-rep new-class-rep
old-instance-class-table)))
(state-set-class-table (make-class-table new-instance-class-table
(array-class-table s))
s)))
;;these belongs to M6/jvm-state.lisp
(defun class-initialized? (classname s)
(declare (xargs :guard (and (wff-state s)
(wff-class-table (class-table s))
(wff-instance-class-table (instance-class-table
s))
(wff-class-rep (class-by-name classname
(instance-class-table s))))))
(mylet* ((class-rep (class-by-name classname (instance-class-table s)))
(status (class-status class-rep))
(init-thread-id (init-thread-id class-rep)))
(or (equal status 'class_ready)
(equal init-thread-id (current-thread s)))))
;----------------------------------------------------------------------
(acl2::set-verify-guards-eagerness 2)
(defun external-class-table (s)
(declare (xargs :guard (and (wff-state s)
(wff-env (env s)))))
(env-class-table (env s)))
;; (acl2::set-verify-guards-eagerness 0)
;; Tue Dec 23 17:13:46 2003 from jvm-env
;; Wed Mar 31 12:13:50 2004. add
;----------------------------------------------------------------------
;;; (acl2::set-verify-guards-eagerness 0)
;;; Wed Mar 31 12:14:46 2004
;;; Wed Mar 31 12:17:13 2004
(defun update-trace (obj-ref s)
(declare (xargs :guard (wff-state s)))
(state-set-trace
(add-obj-th-count obj-ref (current-thread s) (mtrace s))
s))
;----------------------------------------------------------------------
; Thu Dec 25 11:41:10 2003
(acl2::set-verify-guards-eagerness 2)
(defun m6-internal-error (msg s)
(declare (xargs :guard (wff-state s)))
(prog2$
(acl2::cw msg)
(state-set-error-flag msg s)))
(defun fatalError (msg s)
(declare (xargs :guard (wff-state s)))
(m6-internal-error msg s))
(defun no-fatal-error? (s)
(declare (xargs :guard (wff-state s)))
(equal (error-flag s) nil))
;; should stop abruptly. could implment it set a flag in the state
;; so the interpreter will detect.
(defun alertUser (msg s)
(prog2$ (acl2::cw "~p0~%" msg)
s))
;----------------------------------------------------------------------
(defun class-ref-by-name (classname s)
(declare (xargs :guard (and (wff-state s)
(wff-class-table (class-table s))
(wff-instance-class-table (instance-class-table
s))
(wff-class-rep (class-by-name classname
(instance-class-table s))))))
(class-ref (class-by-name classname (instance-class-table s))))
;----------------------------------------------------------------------
;; (defun make-state (ip cur javaheap thread-table internal-classble env
;; error-flag aux)
;; (list 'state
;; ip
;; cur
;; (cons 'heap javaheap)
;; (cons 'thread-table thread-table)
;; internal-class-table
;; env error-flag
;; aux))
;(in-theory (disable make-state current-thread heap thread-table current-thread
; class-table instance-class-table array-class-table env
; error-flag aux pc) )
(defthm state-accessor-set-pc
(let ((s1 (state-set-pc pc s0)))
(and (equal (pc s1) pc)
(equal (current-thread s1) (current-thread s0))
(equal (heap s1) (heap s0))
(equal (thread-table s1) (thread-table s0))
(equal (class-table s1) (class-table s0))
(equal (instance-class-table s1) (instance-class-table s0))
(equal (array-class-table s1) (array-class-table s0))
(equal (env s1) (env s0))
(equal (error-flag s1) (error-flag s0))
(equal (aux s1) (aux s0)))))
(defthm state-accessor-set-current-thread
(let ((s1 (state-set-current-thread tid s0)))
(and (equal (pc s1) (pc s0))
(equal (current-thread s1) tid)
(equal (heap s1) (heap s0))
(equal (thread-table s1) (thread-table s0))
(equal (class-table s1) (class-table s0))
(equal (instance-class-table s1) (instance-class-table s0))
(equal (array-class-table s1) (array-class-table s0))
(equal (env s1) (env s0))
(equal (error-flag s1) (error-flag s0))
(equal (aux s1) (aux s0)))))
(defthm state-accessor-set-heap
(let ((s1 (state-set-heap hp s0)))
(and (equal (pc s1) (pc s0))
(equal (current-thread s1) (current-thread s0))
(equal (heap s1) hp)
(equal (thread-table s1) (thread-table s0))
(equal (class-table s1) (class-table s0))
(equal (instance-class-table s1) (instance-class-table s0))
(equal (array-class-table s1) (array-class-table s0))
(equal (env s1) (env s0))
(equal (error-flag s1) (error-flag s0))
(equal (aux s1) (aux s0)))))
(defthm state-accessor-set-thread-table
(let ((s1 (state-set-thread-table tt s0)))
(and (equal (pc s1) (pc s0))
(equal (current-thread s1) (current-thread s0))
(equal (heap s1) (heap s0))
(equal (thread-table s1) tt)
(equal (class-table s1) (class-table s0))
(equal (instance-class-table s1) (instance-class-table s0))
(equal (array-class-table s1) (array-class-table s0))
(equal (env s1) (env s0))
(equal (error-flag s1) (error-flag s0))
(equal (aux s1) (aux s0)))))
(defthm state-accessor-set-class-table
(let ((s1 (state-set-class-table cl s0)))
(and (equal (pc s1) (pc s0))
(equal (current-thread s1) (current-thread s0))
(equal (heap s1) (heap s0))
(equal (thread-table s1) (thread-table s0))
(equal (class-table s1) cl)
;; (equal (instance-class-table s1) (
;; (equal (array-class-table s1) (array-class-table s0))
;; Mon Dec 29 16:14:33 2003 leave it here now
(equal (env s1) (env s0))
(equal (error-flag s1) (error-flag s0))
(equal (aux s1) (aux s0)))))
(defthm state-accessor-set-env
(let ((s1 (state-set-env env s0)))
(and (equal (pc s1) (pc s0))
(equal (current-thread s1) (current-thread s0))
(equal (heap s1) (heap s0))
(equal (thread-table s1) (thread-table s0))
(equal (class-table s1) (class-table s0))
(equal (instance-class-table s1) (instance-class-table s0))
(equal (array-class-table s1) (array-class-table s0))
(equal (env s1) env)
(equal (error-flag s1) (error-flag s0))
(equal (aux s1) (aux s0)))))
(defthm state-accessor-set-error-flag
(let ((s1 (state-set-error-flag ef s0)))
(and (equal (pc s1) (pc s0))
(equal (current-thread s1) (current-thread s0))
(equal (heap s1) (heap s0))
(equal (thread-table s1) (thread-table s0))
(equal (class-table s1) (class-table s0))
(equal (instance-class-table s1) (instance-class-table s0))
(equal (array-class-table s1) (array-class-table s0))
(equal (env s1) (env s0))
(equal (error-flag s1) ef)
(equal (aux s1) (aux s0)))))
(defthm state-accessor-set-aux
(let ((s1 (state-set-aux aux s0)))
(and (equal (pc s1) (pc s0))
(equal (current-thread s1) (current-thread s0))
(equal (heap s1) (heap s0))
(equal (thread-table s1) (thread-table s0))
(equal (class-table s1) (class-table s0))
(equal (instance-class-table s1) (instance-class-table s0))
(equal (array-class-table s1) (array-class-table s0))
(equal (env s1) (env s0))
(equal (error-flag s1) (error-flag s0))
(equal (aux s1) aux))))
;; (in-theory (disable make-state current-thread heap thread-table current-thread
;; class-table instance-class-table array-class-table env
;; error-flag aux pc) )
(in-theory (disable make-state env pc current-thread thread-table heap class-table
env error-flag))
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