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• Scopestack

Vl-scopestack->path-aux

Signature

(vl-scopestack->path-aux x rchars) → rchars

Arguments

x — Guard (vl-scopestack-p x).

Returns

rchars — Type (character-listp rchars), given (character-listp rchars).

Definitions and Theorems

Function: vl-scopestack->path-aux

(defun vl-scopestack->path-aux (x rchars)
 (declare (xargs :guard (vl-scopestack-p x)))
 (let ((__function__ 'vl-scopestack->path-aux))
  (declare (ignorable __function__))
  (vl-scopestack-case
     x :null
     (str::revappend-chars ":null" rchars)
     :global
     (str::revappend-chars "$root" rchars)
     :local
     (b* ((rchars (vl-scopestack->path-aux x.super rchars))
          (id (vl-scope->id x.top)))
       (cond ((stringp id)
              (b* ((rchars (cons #\. rchars)))
                (str::revappend-chars id rchars)))
             ((integerp id)
              (b* ((rchars (cons #\[ rchars))
                   (rchars (if (< id 0) (cons #\- rchars) rchars))
                   (rchars (str::revappend-nat-to-dec-chars (abs id)
                                                            rchars))
                   (rchars (cons #\] rchars)))
                rchars))
             (t (str::revappend-chars
                     (cat "<unnamed-"
                          (symbol-name (vl-scope->scopetype x.top))
                          ">")
                     rchars)))))))

Theorem: character-listp-of-vl-scopestack->path-aux

(defthm character-listp-of-vl-scopestack->path-aux
  (implies (character-listp rchars)
           (b* ((rchars (vl-scopestack->path-aux x rchars)))
             (character-listp rchars)))
  :rule-classes :rewrite)

Theorem: vl-scopestack->path-aux-of-vl-scopestack-fix-x

(defthm vl-scopestack->path-aux-of-vl-scopestack-fix-x
  (equal (vl-scopestack->path-aux (vl-scopestack-fix x)
                                  rchars)
         (vl-scopestack->path-aux x rchars)))

Theorem: vl-scopestack->path-aux-vl-scopestack-equiv-congruence-on-x

(defthm vl-scopestack->path-aux-vl-scopestack-equiv-congruence-on-x
  (implies (vl-scopestack-equiv x x-equiv)
           (equal (vl-scopestack->path-aux x rchars)
                  (vl-scopestack->path-aux x-equiv rchars)))
  :rule-classes :congruence)