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(in-package "ACL2")
(include-book "djvm-model")
(include-book "bcv-simple-model")
(include-book "generic")
(include-book "consistent-state-properties")
(include-book "bcv-method-properties")
;--- EXPORT ----
(encapsulate ()
(local (include-book "djvm-IFEQ"))
(defthm consistent-state-preserved-by-DJVM-IFEQ
(implies (and (consistent-state st)
(equal (next-inst st) inst)
(equal (op-code inst) 'IFEQ)
(djvm-check-IFEQ inst st))
(consistent-state
(djvm-execute-IFEQ inst st)))))
;;(i-am-here) ;; Mon Nov 21 10:57:11 2005
(defthm bcv-simple-inst-implies-next-pc-bounded-IFEQ
(implies (and (bcv-simple-inst pc inst sig-vector)
(equal (g 'pc (cdr (assoc-equal pc sig-vector))) pc)
(equal (op-code inst) 'IFEQ))
(assoc-equal (+ 1 pc) sig-vector)))
(defthm bcv-simple-inst-implies-next-pc-bounded-IFEQ-2
(implies (and (bcv-simple-inst pc inst sig-vector)
(equal (op-code inst) 'IFEQ))
(assoc-equal (cadr inst) sig-vector)))
(local (in-theory (disable collect-witness-bcv-method)))
(defthm bcv-simple-inst-implies-next-pc-bounded-IFEQ-specific
(implies (and (bcv-simple-inst pc (next-inst st)
(collect-witness-bcv-method
(current-method st)
(g 'method-table st)))
(equal (g 'pc (cdr (assoc-equal pc
(collect-witness-bcv-method
(current-method st)
(g 'method-table st)))))
pc)
(equal (op-code (next-inst st)) 'IFEQ))
(assoc-equal (+ 1 pc) (collect-witness-bcv-method
(current-method st)
(g 'method-table st)))))
(defthm bcv-simple-inst-implies-next-pc-bounded-IFEQ-specific-2
(implies (and (bcv-simple-inst pc (next-inst st)
(collect-witness-bcv-method
(current-method st)
(g 'method-table st)))
(equal (op-code (next-inst st)) 'IFEQ))
(assoc-equal (cadr (next-inst st))
(collect-witness-bcv-method
(current-method st)
(g 'method-table st)))))
;; (defthm consistent-state-implies-bcv-simple-inst
;; (implies (consistent-state st)
;; (bcv-simple-inst (g 'pc (car (g 'call-stack st)))
;; (next-inst st)
;; (collect-witness-bcv-method
;; (current-method st)
;; (g 'method-table st)))))
(defthm bcv-simple-inst-implies-next-pc-bounded-IFEQ-specific-2-futher
(implies (and (consistent-state st)
(equal (op-code (next-inst st)) 'IFEQ))
(assoc-equal (cadr (next-inst st))
(collect-witness-bcv-method
(current-method st)
(g 'method-table st))))
:hints (("Goal" :use ((:instance
bcv-simple-inst-implies-next-pc-bounded-IFEQ-specific-2
(pc (g 'pc (car (g 'call-stack st)))))
(:instance consistent-state-implies-bcv-simple-inst))
:in-theory (disable consistent-state
bcv-simple-inst
consistent-state-implies-bcv-simple-inst
collect-witness-bcv-method))))
(local (in-theory (disable current-method consistent-state
collect-witness-bcv-method
bcv-simple-inst next-inst)))
;; (defthm bcv-method-implies-integerp-if-bound
;; (implies (and (bcv-method method method-table)
;; (assoc-equal pc (collect-witness-bcv-method method method-table)))
;; (integerp pc))
;; :hints (("Goal" :in-theory (disable merged-code-safe
;; ;;collect-witness-bcv-method
;; extract-code
;; sig-method-init-frame
;; wff-code1)
;; :cases ((member pc (collect-pc-merged-code
;; (MERGESTACKMAPANDCODE (G 'STACKMAPS METHOD)
;; (PARSECODE1 0 (G 'CODE METHOD))
;; (G 'METHOD-NAME METHOD)
;; METHOD-TABLE))))))
;; :rule-classes :forward-chaining)
(defthm bcv-simple-check-ifeq-implies-djvm-check
(IMPLIES (AND (CONSISTENT-STATE DJVM-S)
(equal (op-code (next-inst djvm-s)) 'IFEQ)
(BCV-SIMPLE-CHECK-IFEQ (next-inst djvm-s)
(EXTRACT-SIG-FRAME (CAR (G 'CALL-STACK DJVM-S))
(G 'METHOD-TABLE DJVM-S))))
(DJVM-CHECK-IFEQ (next-inst djvm-s) djvm-s))
:hints (("Goal" :in-theory (disable consistent-state)
:use ((:instance bcv-method-implies-integerp-if-bound
(method (current-method djvm-s))
(method-table (g 'method-table djvm-s))
(pc (cadr (next-inst djvm-s))))))))
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