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• Shadowcheck

Vl-shadowcheck-aux

Main function for checking for name shadowing.

Signature

(vl-shadowcheck-aux x st warnings) → (mv st warnings)

Arguments

x — Module elements to process, should be in the same order in which they were parsed.
    Guard (vl-genelementlist-p x).

st — Guard (vl-shadowcheck-state-p st).

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

Returns

st — Type (vl-shadowcheck-state-p st).

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

Definitions and Theorems

Function: vl-shadowcheck-aux

(defun vl-shadowcheck-aux (x st warnings)
 (declare (xargs :guard (and (vl-genelementlist-p x)
                             (vl-shadowcheck-state-p st)
                             (vl-warninglist-p warnings))))
 (let ((__function__ 'vl-shadowcheck-aux))
   (declare (ignorable __function__))
   (b* ((x (vl-genelementlist-fix x))
        (st (vl-shadowcheck-state-fix st))
        (warnings (vl-warninglist-fix warnings))
        ((when (atom x)) (mv st warnings))
        ((unless (eq (vl-genelement-kind (car x))
                     :vl-genbase))
         (vl-shadowcheck-aux (cdr x)
                             st warnings))
        (elem (vl-genelement-fix (car x)))
        (item (vl-genbase->item elem))
        (tag (tag item))
        (- (vl-shadowcheck-debug "  ---- ~a0 ---- ~%" item))
        ((when (or (eq tag :vl-interfaceport)
                   (eq tag :vl-regularport)))
         (raise "We shouldn't see ports here.")
         (vl-shadowcheck-aux (cdr x)
                             st warnings))
        ((when (eq tag :vl-portdecl))
         (b* (((mv st warnings)
               (vl-shadowcheck-portdecl item st warnings)))
           (vl-shadowcheck-aux (cdr x)
                               st warnings)))
        ((when (eq tag :vl-vardecl))
         (b* (((mv st warnings)
               (vl-shadowcheck-vardecl item st warnings)))
           (vl-shadowcheck-aux (cdr x)
                               st warnings)))
        ((when (eq tag :vl-paramdecl))
         (b* (((mv st warnings)
               (vl-shadowcheck-paramdecl item st warnings)))
           (vl-shadowcheck-aux (cdr x)
                               st warnings)))
        ((when (eq tag :vl-assign))
         (b* (((mv st warnings)
               (vl-shadowcheck-assign item st warnings)))
           (vl-shadowcheck-aux (cdr x)
                               st warnings)))
        ((when (eq tag :vl-gateinst))
         (b* (((mv st warnings)
               (vl-shadowcheck-gateinst item st warnings)))
           (vl-shadowcheck-aux (cdr x)
                               st warnings)))
        ((when (eq tag :vl-modinst))
         (b* (((mv st warnings)
               (vl-shadowcheck-modinst item st warnings)))
           (vl-shadowcheck-aux (cdr x)
                               st warnings)))
        ((when (eq tag :vl-always))
         (b* (((mv st warnings)
               (vl-shadowcheck-always item st warnings)))
           (vl-shadowcheck-aux (cdr x)
                               st warnings)))
        ((when (eq tag :vl-initial))
         (b* (((mv st warnings)
               (vl-shadowcheck-initial item st warnings)))
           (vl-shadowcheck-aux (cdr x)
                               st warnings)))
        ((when (eq tag :vl-fundecl))
         (b* (((mv st warnings)
               (vl-shadowcheck-fundecl item st warnings)))
           (vl-shadowcheck-aux (cdr x)
                               st warnings)))
        ((when (eq tag :vl-taskdecl))
         (b* (((mv st warnings)
               (vl-shadowcheck-taskdecl item st warnings)))
           (vl-shadowcheck-aux (cdr x)
                               st warnings)))
        ((when (eq tag :vl-import))
         (b* (((mv st warnings)
               (vl-shadowcheck-import item st warnings)))
           (vl-shadowcheck-aux (cdr x)
                               st warnings)))
        (warnings (fatal :type :vl-unexpected-modelement
                         :msg "~a0: unexpected kind of module item."
                         :args (list item))))
     (vl-shadowcheck-aux (cdr x)
                         st warnings))))

Theorem: vl-shadowcheck-state-p-of-vl-shadowcheck-aux.st

(defthm vl-shadowcheck-state-p-of-vl-shadowcheck-aux.st
  (b* (((mv ?st ?warnings)
        (vl-shadowcheck-aux x st warnings)))
    (vl-shadowcheck-state-p st))
  :rule-classes :rewrite)

Theorem: vl-warninglist-p-of-vl-shadowcheck-aux.warnings

(defthm vl-warninglist-p-of-vl-shadowcheck-aux.warnings
  (b* (((mv ?st ?warnings)
        (vl-shadowcheck-aux x st warnings)))
    (vl-warninglist-p warnings))
  :rule-classes :rewrite)

Theorem: vl-shadowcheck-aux-of-vl-genelementlist-fix-x

(defthm vl-shadowcheck-aux-of-vl-genelementlist-fix-x
  (equal (vl-shadowcheck-aux (vl-genelementlist-fix x)
                             st warnings)
         (vl-shadowcheck-aux x st warnings)))

Theorem: vl-shadowcheck-aux-vl-genelementlist-equiv-congruence-on-x

(defthm vl-shadowcheck-aux-vl-genelementlist-equiv-congruence-on-x
  (implies (vl-genelementlist-equiv x x-equiv)
           (equal (vl-shadowcheck-aux x st warnings)
                  (vl-shadowcheck-aux x-equiv st warnings)))
  :rule-classes :congruence)

Theorem: vl-shadowcheck-aux-of-vl-shadowcheck-state-fix-st

(defthm vl-shadowcheck-aux-of-vl-shadowcheck-state-fix-st
  (equal (vl-shadowcheck-aux x (vl-shadowcheck-state-fix st)
                             warnings)
         (vl-shadowcheck-aux x st warnings)))

Theorem: vl-shadowcheck-aux-vl-shadowcheck-state-equiv-congruence-on-st

(defthm
     vl-shadowcheck-aux-vl-shadowcheck-state-equiv-congruence-on-st
  (implies (vl-shadowcheck-state-equiv st st-equiv)
           (equal (vl-shadowcheck-aux x st warnings)
                  (vl-shadowcheck-aux x st-equiv warnings)))
  :rule-classes :congruence)

Theorem: vl-shadowcheck-aux-of-vl-warninglist-fix-warnings

(defthm vl-shadowcheck-aux-of-vl-warninglist-fix-warnings
  (equal (vl-shadowcheck-aux x st (vl-warninglist-fix warnings))
         (vl-shadowcheck-aux x st warnings)))

Theorem: vl-shadowcheck-aux-vl-warninglist-equiv-congruence-on-warnings

(defthm
     vl-shadowcheck-aux-vl-warninglist-equiv-congruence-on-warnings
  (implies (vl-warninglist-equiv warnings warnings-equiv)
           (equal (vl-shadowcheck-aux x st warnings)
                  (vl-shadowcheck-aux x st warnings-equiv)))
  :rule-classes :congruence)