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Vl-gencase-match

Signature

(vl-gencase-match x y ss scopes warnings) 
  → 
(mv errmsg warnings equalp)

Arguments

x — Guard (vl-expr-p x).

y — Guard (vl-expr-p y).

ss — Guard (vl-scopestack-p ss).

scopes — Guard (vl-elabscopes-p scopes).

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

Returns

errmsg — Type (iff (vl-msg-p errmsg) errmsg).

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

Definitions and Theorems

Function: vl-gencase-match

(defun vl-gencase-match (x y ss scopes warnings)
 (declare (xargs :guard (and (vl-expr-p x)
                             (vl-expr-p y)
                             (vl-scopestack-p ss)
                             (vl-elabscopes-p scopes)
                             (vl-warninglist-p warnings))))
 (let ((__function__ 'vl-gencase-match))
  (declare (ignorable __function__))
  (b*
   ((eq-expr (make-vl-binary :op :vl-binary-ceq
                             :left x
                             :right y))
    (warnings (ok))
    ((wmv warnings res)
     (vl-consteval eq-expr ss scopes))
    ((mv ok result)
     (vl-expr-case
      res
      :vl-literal
      (vl-value-case res.val
                     :vl-constint (mv t (not (eql 0 res.val.value)))
                     :otherwise (mv nil nil))
      :otherwise (mv nil nil))))
   (if ok (mv nil warnings result)
     (mv (vmsg "Failed to evaluate: ~a0." eq-expr)
         warnings nil)))))

Theorem: return-type-of-vl-gencase-match.errmsg

(defthm return-type-of-vl-gencase-match.errmsg
  (b* (((mv ?errmsg ?warnings common-lisp::?equalp)
        (vl-gencase-match x y ss scopes warnings)))
    (iff (vl-msg-p errmsg) errmsg))
  :rule-classes :rewrite)

Theorem: vl-warninglist-p-of-vl-gencase-match.warnings

(defthm vl-warninglist-p-of-vl-gencase-match.warnings
  (b* (((mv ?errmsg ?warnings common-lisp::?equalp)
        (vl-gencase-match x y ss scopes warnings)))
    (vl-warninglist-p warnings))
  :rule-classes :rewrite)

Theorem: vl-gencase-match-of-vl-expr-fix-x

(defthm vl-gencase-match-of-vl-expr-fix-x
  (equal (vl-gencase-match (vl-expr-fix x)
                           y ss scopes warnings)
         (vl-gencase-match x y ss scopes warnings)))

Theorem: vl-gencase-match-vl-expr-equiv-congruence-on-x

(defthm vl-gencase-match-vl-expr-equiv-congruence-on-x
  (implies (vl-expr-equiv x x-equiv)
           (equal (vl-gencase-match x y ss scopes warnings)
                  (vl-gencase-match x-equiv y ss scopes warnings)))
  :rule-classes :congruence)

Theorem: vl-gencase-match-of-vl-expr-fix-y

(defthm vl-gencase-match-of-vl-expr-fix-y
  (equal (vl-gencase-match x (vl-expr-fix y)
                           ss scopes warnings)
         (vl-gencase-match x y ss scopes warnings)))

Theorem: vl-gencase-match-vl-expr-equiv-congruence-on-y

(defthm vl-gencase-match-vl-expr-equiv-congruence-on-y
  (implies (vl-expr-equiv y y-equiv)
           (equal (vl-gencase-match x y ss scopes warnings)
                  (vl-gencase-match x y-equiv ss scopes warnings)))
  :rule-classes :congruence)

Theorem: vl-gencase-match-of-vl-scopestack-fix-ss

(defthm vl-gencase-match-of-vl-scopestack-fix-ss
  (equal (vl-gencase-match x y (vl-scopestack-fix ss)
                           scopes warnings)
         (vl-gencase-match x y ss scopes warnings)))

Theorem: vl-gencase-match-vl-scopestack-equiv-congruence-on-ss

(defthm vl-gencase-match-vl-scopestack-equiv-congruence-on-ss
  (implies (vl-scopestack-equiv ss ss-equiv)
           (equal (vl-gencase-match x y ss scopes warnings)
                  (vl-gencase-match x y ss-equiv scopes warnings)))
  :rule-classes :congruence)

Theorem: vl-gencase-match-of-vl-elabscopes-fix-scopes

(defthm vl-gencase-match-of-vl-elabscopes-fix-scopes
  (equal (vl-gencase-match x y ss (vl-elabscopes-fix scopes)
                           warnings)
         (vl-gencase-match x y ss scopes warnings)))

Theorem: vl-gencase-match-vl-elabscopes-equiv-congruence-on-scopes

(defthm vl-gencase-match-vl-elabscopes-equiv-congruence-on-scopes
  (implies (vl-elabscopes-equiv scopes scopes-equiv)
           (equal (vl-gencase-match x y ss scopes warnings)
                  (vl-gencase-match x y ss scopes-equiv warnings)))
  :rule-classes :congruence)

Theorem: vl-gencase-match-of-vl-warninglist-fix-warnings

(defthm vl-gencase-match-of-vl-warninglist-fix-warnings
  (equal (vl-gencase-match x y
                           ss scopes (vl-warninglist-fix warnings))
         (vl-gencase-match x y ss scopes warnings)))

Theorem: vl-gencase-match-vl-warninglist-equiv-congruence-on-warnings

(defthm vl-gencase-match-vl-warninglist-equiv-congruence-on-warnings
  (implies (vl-warninglist-equiv warnings warnings-equiv)
           (equal (vl-gencase-match x y ss scopes warnings)
                  (vl-gencase-match x y ss scopes warnings-equiv)))
  :rule-classes :congruence)