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Scopestack

Vl-scopestack-find-item

Look up a plain identifier in the current scope stack.

Signature
(vl-scopestack-find-item name ss) → item
Arguments: name — Guard (stringp name).; ss — Guard (vl-scopestack-p ss).
Returns: item — The item declaration, if found.
Type (iff (vl-scopeitem-p item) item).

Definitions and Theorems

Function: vl-scopestack-find-item

(defun vl-scopestack-find-item (name ss)
  (declare (xargs :guard (and (stringp name)
                              (vl-scopestack-p ss))))
  (let ((__function__ 'vl-scopestack-find-item))
    (declare (ignorable __function__))
    (b* (((mv item & &)
          (vl-scopestack-find-item/context name ss)))
      item)))

Theorem: return-type-of-vl-scopestack-find-item

(defthm return-type-of-vl-scopestack-find-item
  (b* ((item (vl-scopestack-find-item name ss)))
    (iff (vl-scopeitem-p item) item))
  :rule-classes :rewrite)

Theorem: vl-scopestack-find-item-of-str-fix-name

(defthm vl-scopestack-find-item-of-str-fix-name
  (equal (vl-scopestack-find-item (str-fix name)
                                  ss)
         (vl-scopestack-find-item name ss)))

Theorem: vl-scopestack-find-item-streqv-congruence-on-name

(defthm vl-scopestack-find-item-streqv-congruence-on-name
  (implies (streqv name name-equiv)
           (equal (vl-scopestack-find-item name ss)
                  (vl-scopestack-find-item name-equiv ss)))
  :rule-classes :congruence)

Theorem: vl-scopestack-find-item-of-vl-scopestack-fix-ss

(defthm vl-scopestack-find-item-of-vl-scopestack-fix-ss
  (equal (vl-scopestack-find-item name (vl-scopestack-fix ss))
         (vl-scopestack-find-item name ss)))

Theorem: vl-scopestack-find-item-vl-scopestack-equiv-congruence-on-ss

(defthm vl-scopestack-find-item-vl-scopestack-equiv-congruence-on-ss
  (implies (vl-scopestack-equiv ss ss-equiv)
           (equal (vl-scopestack-find-item name ss)
                  (vl-scopestack-find-item name ss-equiv)))
  :rule-classes :congruence)