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Vl-interface-check-modinst-is-subinterface

Signature

(vl-interface-check-modinst-is-subinterface x ss warnings) 
  → 
new-warnings

Arguments

x — Modinst to check, occurs within an interface.
    Guard (vl-modinst-p x).

ss — Guard (vl-scopestack-p ss).

warnings — Guard (vl-warninglist-p warnings).

Returns

new-warnings — Type (vl-warninglist-p new-warnings).

Definitions and Theorems

Function: vl-interface-check-modinst-is-subinterface

(defun vl-interface-check-modinst-is-subinterface (x ss warnings)
 (declare (xargs :guard (and (vl-modinst-p x)
                             (vl-scopestack-p ss)
                             (vl-warninglist-p warnings))))
 (let ((__function__ 'vl-interface-check-modinst-is-subinterface))
  (declare (ignorable __function__))
  (b*
   (((vl-modinst x) (vl-modinst-fix x))
    (def (vl-scopestack-find-definition x.modname ss))
    ((unless def)
     (fatal :type :vl-interface-instance-undefined
            :msg "~a0 refers to undefined interface ~m1."
            :args (list x x.modname)))
    ((unless (mbe :logic (vl-interface-p def)
                  :exec (eq (tag def) :vl-interface)))
     (fatal
      :type :vl-interface-instantiates-noninterface
      :msg
      "~a0: can't instantiate ~s1 within an interface ~
                     (interfaces can instantiate other interfaces, but can't ~
                     have ~s2 instances.)"
      :args (list x x.modname
                  (case (tag def)
                        (:vl-module "submodule")
                        (:vl-udp "primitive")
                        (:vl-program "program")
                        (:vl-class "class")
                        (otherwise (impossible)))))))
   (ok))))

Theorem: vl-warninglist-p-of-vl-interface-check-modinst-is-subinterface

(defthm
     vl-warninglist-p-of-vl-interface-check-modinst-is-subinterface
 (b*
  ((new-warnings
        (vl-interface-check-modinst-is-subinterface x ss warnings)))
  (vl-warninglist-p new-warnings))
 :rule-classes :rewrite)

Theorem: vl-interface-check-modinst-is-subinterface-of-vl-modinst-fix-x

(defthm
     vl-interface-check-modinst-is-subinterface-of-vl-modinst-fix-x
 (equal
      (vl-interface-check-modinst-is-subinterface (vl-modinst-fix x)
                                                  ss warnings)
      (vl-interface-check-modinst-is-subinterface x ss warnings)))

Theorem: vl-interface-check-modinst-is-subinterface-vl-modinst-equiv-congruence-on-x

(defthm
 vl-interface-check-modinst-is-subinterface-vl-modinst-equiv-congruence-on-x
 (implies
   (vl-modinst-equiv x x-equiv)
   (equal (vl-interface-check-modinst-is-subinterface x ss warnings)
          (vl-interface-check-modinst-is-subinterface
               x-equiv ss warnings)))
 :rule-classes :congruence)

Theorem: vl-interface-check-modinst-is-subinterface-of-vl-scopestack-fix-ss

(defthm
 vl-interface-check-modinst-is-subinterface-of-vl-scopestack-fix-ss
 (equal (vl-interface-check-modinst-is-subinterface
             x (vl-scopestack-fix ss)
             warnings)
        (vl-interface-check-modinst-is-subinterface x ss warnings)))

Theorem: vl-interface-check-modinst-is-subinterface-vl-scopestack-equiv-congruence-on-ss

(defthm
 vl-interface-check-modinst-is-subinterface-vl-scopestack-equiv-congruence-on-ss
 (implies
   (vl-scopestack-equiv ss ss-equiv)
   (equal (vl-interface-check-modinst-is-subinterface x ss warnings)
          (vl-interface-check-modinst-is-subinterface
               x ss-equiv warnings)))
 :rule-classes :congruence)

Theorem: vl-interface-check-modinst-is-subinterface-of-vl-warninglist-fix-warnings

(defthm
 vl-interface-check-modinst-is-subinterface-of-vl-warninglist-fix-warnings
 (equal (vl-interface-check-modinst-is-subinterface
             x ss (vl-warninglist-fix warnings))
        (vl-interface-check-modinst-is-subinterface x ss warnings)))

Theorem: vl-interface-check-modinst-is-subinterface-vl-warninglist-equiv-congruence-on-warnings

(defthm
 vl-interface-check-modinst-is-subinterface-vl-warninglist-equiv-congruence-on-warnings
 (implies
   (vl-warninglist-equiv warnings warnings-equiv)
   (equal (vl-interface-check-modinst-is-subinterface x ss warnings)
          (vl-interface-check-modinst-is-subinterface
               x ss warnings-equiv)))
 :rule-classes :congruence)