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• Remove-toohard

Vl-initiallist-remove-toohard

Signature

(vl-initiallist-remove-toohard x warnings) 
  → 
(mv warnings new-x)

Arguments

x — Guard (vl-initiallist-p x).

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

Returns

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

new-x — Type (vl-initiallist-p new-x).

Definitions and Theorems

Function: vl-initiallist-remove-toohard

(defun vl-initiallist-remove-toohard (x warnings)
 (declare (xargs :guard (and (vl-initiallist-p x)
                             (vl-warninglist-p warnings))))
 (let ((__function__ 'vl-initiallist-remove-toohard))
  (declare (ignorable __function__))
  (b*
   (((when (atom x)) (mv (ok) nil))
    ((mv warnings cdr-prime)
     (vl-initiallist-remove-toohard (cdr x)
                                    warnings))
    (x1 (vl-initial-fix (car x)))
    (car-exprs (vl-initial-allexprs x1))
    (car-hard (vl-exprlist-toohard-subexpr car-exprs))
    ((when car-hard)
     (mv
      (fatal
       :type :vl-dropped-initial
       :msg
       "Deleting ~a0 because it has unsupported ~
                         subexpression ~a1. This deletion may cause our ~
                         analysis to be flawed."
       :args (list x1 car-hard))
      cdr-prime))
    (x-prime (cons x1 cdr-prime)))
   (mv warnings x-prime))))

Theorem: vl-warninglist-p-of-vl-initiallist-remove-toohard.warnings

(defthm vl-warninglist-p-of-vl-initiallist-remove-toohard.warnings
  (b* (((mv ?warnings ?new-x)
        (vl-initiallist-remove-toohard x warnings)))
    (vl-warninglist-p warnings))
  :rule-classes :rewrite)

Theorem: vl-initiallist-p-of-vl-initiallist-remove-toohard.new-x

(defthm vl-initiallist-p-of-vl-initiallist-remove-toohard.new-x
  (b* (((mv ?warnings ?new-x)
        (vl-initiallist-remove-toohard x warnings)))
    (vl-initiallist-p new-x))
  :rule-classes :rewrite)

Theorem: vl-initiallist-remove-toohard-of-vl-initiallist-fix-x

(defthm vl-initiallist-remove-toohard-of-vl-initiallist-fix-x
  (equal (vl-initiallist-remove-toohard (vl-initiallist-fix x)
                                        warnings)
         (vl-initiallist-remove-toohard x warnings)))

Theorem: vl-initiallist-remove-toohard-vl-initiallist-equiv-congruence-on-x

(defthm
 vl-initiallist-remove-toohard-vl-initiallist-equiv-congruence-on-x
 (implies (vl-initiallist-equiv x x-equiv)
          (equal (vl-initiallist-remove-toohard x warnings)
                 (vl-initiallist-remove-toohard x-equiv warnings)))
 :rule-classes :congruence)

Theorem: vl-initiallist-remove-toohard-of-vl-warninglist-fix-warnings

(defthm vl-initiallist-remove-toohard-of-vl-warninglist-fix-warnings
 (equal
     (vl-initiallist-remove-toohard x (vl-warninglist-fix warnings))
     (vl-initiallist-remove-toohard x warnings)))

Theorem: vl-initiallist-remove-toohard-vl-warninglist-equiv-congruence-on-warnings

(defthm
 vl-initiallist-remove-toohard-vl-warninglist-equiv-congruence-on-warnings
 (implies (vl-warninglist-equiv warnings warnings-equiv)
          (equal (vl-initiallist-remove-toohard x warnings)
                 (vl-initiallist-remove-toohard x warnings-equiv)))
 :rule-classes :congruence)