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Vl-read-time-unit

time_unit ::= s | ms | us | ns | ps | fs.

Signature

(vl-read-time-unit echars) → (mv prefix remainder)

Arguments

echars — Guard (vl-echarlist-p echars).

Definitions and Theorems

Function: vl-read-time-unit$inline

(defun vl-read-time-unit$inline (echars)
  (declare (xargs :guard (vl-echarlist-p echars)))
  (let ((__function__ 'vl-read-time-unit))
    (declare (ignorable __function__))
    (vl-read-some-literal '("s" "ms" "us" "ns" "ps" "fs")
                          echars)))

Theorem: prefix-of-vl-read-time-unit

(defthm prefix-of-vl-read-time-unit
 (and
   (true-listp (mv-nth 0 (vl-read-time-unit echars)))
   (implies (force (vl-echarlist-p echars))
            (vl-echarlist-p (mv-nth 0 (vl-read-time-unit echars)))))
 :rule-classes
 ((:rewrite)
  (:type-prescription
    :corollary (true-listp (mv-nth 0 (vl-read-time-unit echars))))))

Theorem: remainder-of-vl-read-time-unit

(defthm remainder-of-vl-read-time-unit
 (and
   (equal (true-listp (mv-nth 1 (vl-read-time-unit echars)))
          (true-listp echars))
   (implies (force (vl-echarlist-p echars))
            (vl-echarlist-p (mv-nth 1 (vl-read-time-unit echars)))))
 :rule-classes
 ((:rewrite)
  (:type-prescription
     :corollary
     (implies (true-listp echars)
              (true-listp (mv-nth 1 (vl-read-time-unit echars)))))))

Theorem: append-of-vl-read-time-unit

(defthm append-of-vl-read-time-unit
  (equal (append (mv-nth 0 (vl-read-time-unit echars))
                 (mv-nth 1 (vl-read-time-unit echars)))
         echars))

Theorem: no-change-loser-of-vl-read-time-unit

(defthm no-change-loser-of-vl-read-time-unit
  (implies (not (mv-nth 0 (vl-read-time-unit echars)))
           (equal (mv-nth 1 (vl-read-time-unit echars))
                  echars)))

Theorem: acl2-count-of-vl-read-time-unit-weak

(defthm acl2-count-of-vl-read-time-unit-weak
  (<= (acl2-count (mv-nth 1 (vl-read-time-unit echars)))
      (acl2-count echars))
  :rule-classes ((:rewrite) (:linear)))

Theorem: acl2-count-of-vl-read-time-unit-strong

(defthm acl2-count-of-vl-read-time-unit-strong
  (implies (mv-nth 0 (vl-read-time-unit echars))
           (< (acl2-count (mv-nth 1 (vl-read-time-unit echars)))
              (acl2-count echars)))
  :rule-classes ((:rewrite) (:linear)))

Theorem: vl-timeunit-lookup-of-vl-read-time-unit

(defthm vl-timeunit-lookup-of-vl-read-time-unit
 (b* (((mv prefix ?remainder)
       (vl-read-time-unit echars)))
  (implies
      prefix
      (vl-timeunit-lookup (implode (vl-echarlist->chars prefix))))))

Subtopics

Vl-read-time-unit-prefix/remainder-thms

Prefix and remainder theorems for vl-read-time-unit, automatically generated by def-prefix/remainder-thms.