		Search-engine friendly clone of the ACL2 documentation.

Expr-alignof

Expr-alignof->uscores

Get the uscores field from a expr-alignof.

Signature
(expr-alignof->uscores x) → uscores
Arguments: x — Guard (exprp x).
Returns: uscores — Type (keyword-uscores-p uscores).

This is an ordinary field accessor created by fty::defprod.

Definitions and Theorems

Function: expr-alignof->uscores$inline

(defun expr-alignof->uscores$inline (x)
  (declare (xargs :guard (exprp x)))
  (declare (xargs :guard (equal (expr-kind x) :alignof)))
  (mbe :logic
       (b* ((x (and (equal (expr-kind x) :alignof) x)))
         (keyword-uscores-fix (cdr (cdr x))))
       :exec (cdr (cdr x))))

Theorem: keyword-uscores-p-of-expr-alignof->uscores

(defthm keyword-uscores-p-of-expr-alignof->uscores
  (b* ((uscores (expr-alignof->uscores$inline x)))
    (keyword-uscores-p uscores))
  :rule-classes :rewrite)

Theorem: expr-alignof->uscores$inline-of-expr-fix-x

(defthm expr-alignof->uscores$inline-of-expr-fix-x
  (equal (expr-alignof->uscores$inline (expr-fix x))
         (expr-alignof->uscores$inline x)))

Theorem: expr-alignof->uscores$inline-expr-equiv-congruence-on-x

(defthm expr-alignof->uscores$inline-expr-equiv-congruence-on-x
  (implies (expr-equiv x x-equiv)
           (equal (expr-alignof->uscores$inline x)
                  (expr-alignof->uscores$inline x-equiv)))
  :rule-classes :congruence)

Theorem: expr-alignof->uscores-when-wrong-kind

(defthm expr-alignof->uscores-when-wrong-kind
  (implies (not (equal (expr-kind x) :alignof))
           (equal (expr-alignof->uscores x)
                  (keyword-uscores-fix nil))))