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• Vl-find-file

Vl-slow-find-file-aux

Look for a file in a list of search directories (without using the cache).

Signature

(vl-slow-find-file-aux filename searchcache state) 
  → 
(mv foundpath state)

Arguments

filename — Guard (stringp filename).

searchcache — Guard (vl-dirlist-cache-p searchcache).

Returns

foundpath — Type (maybe-stringp foundpath).

state — Type (state-p1 state), given (force (state-p1 state)).

Definitions and Theorems

Function: vl-slow-find-file-aux

(defun vl-slow-find-file-aux (filename searchcache state)
 (declare (xargs :stobjs (state)))
 (declare (xargs :guard (and (stringp filename)
                             (vl-dirlist-cache-p searchcache))))
 (let ((__function__ 'vl-slow-find-file-aux))
  (declare (ignorable __function__))
  (b*
   ((searchcache (vl-dirlist-cache-fix searchcache))
    ((when (atom searchcache))
     (mv nil state))
    ((cons dir ?cache) (car searchcache))
    (attempt (vl-extend-pathname dir filename))
    ((mv exists-p state)
     (time$
      (vl-file-exists-p attempt state)
      :mintime 1/10
      :msg
      ";; vl-slow-find-file-aux file-exists-p: ~st sec, ~sa bytes for ~f0~%"
      :args (list attempt)))
    ((when exists-p) (mv attempt state)))
   (vl-slow-find-file-aux filename (cdr searchcache)
                          state))))

Theorem: maybe-stringp-of-vl-slow-find-file-aux.foundpath

(defthm maybe-stringp-of-vl-slow-find-file-aux.foundpath
  (b* (((mv ?foundpath acl2::?state)
        (vl-slow-find-file-aux filename searchcache state)))
    (maybe-stringp foundpath))
  :rule-classes :type-prescription)

Theorem: state-p1-of-vl-slow-find-file-aux.state

(defthm state-p1-of-vl-slow-find-file-aux.state
 (implies (force (state-p1 state))
          (b* (((mv ?foundpath acl2::?state)
                (vl-slow-find-file-aux filename searchcache state)))
            (state-p1 state)))
 :rule-classes :rewrite)

Theorem: vl-slow-find-file-aux-of-str-fix-filename

(defthm vl-slow-find-file-aux-of-str-fix-filename
  (equal (vl-slow-find-file-aux (str-fix filename)
                                searchcache state)
         (vl-slow-find-file-aux filename searchcache state)))

Theorem: vl-slow-find-file-aux-streqv-congruence-on-filename

(defthm vl-slow-find-file-aux-streqv-congruence-on-filename
 (implies
   (streqv filename filename-equiv)
   (equal (vl-slow-find-file-aux filename searchcache state)
          (vl-slow-find-file-aux filename-equiv searchcache state)))
 :rule-classes :congruence)

Theorem: vl-slow-find-file-aux-of-vl-dirlist-cache-fix-searchcache

(defthm vl-slow-find-file-aux-of-vl-dirlist-cache-fix-searchcache
  (equal (vl-slow-find-file-aux filename
                                (vl-dirlist-cache-fix searchcache)
                                state)
         (vl-slow-find-file-aux filename searchcache state)))

Theorem: vl-slow-find-file-aux-vl-dirlist-cache-equiv-congruence-on-searchcache

(defthm
 vl-slow-find-file-aux-vl-dirlist-cache-equiv-congruence-on-searchcache
 (implies
   (vl-dirlist-cache-equiv searchcache searchcache-equiv)
   (equal (vl-slow-find-file-aux filename searchcache state)
          (vl-slow-find-file-aux filename searchcache-equiv state)))
 :rule-classes :congruence)