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• Basic-printing

Vl-col-after-printing-string

Figure out where we'll be after printing a string.

Signature

(vl-col-after-printing-string col string) → new-col

Arguments

col — Current column we're at.
    Guard (natp col).

string — String we're about to print, not yet reversed.
    Guard (stringp string).

Returns

new-col — Type (natp new-col).

Definitions and Theorems

Function: vl-col-after-printing-string$inline

(defun vl-col-after-printing-string$inline (col string)
  (declare (xargs :guard (and (natp col) (stringp string))))
  (declare (type unsigned-byte col)
           (type string string))
  (declare (xargs :split-types t))
  (let ((__function__ 'vl-col-after-printing-string))
    (declare (ignorable __function__))
    (mbe :logic (vl-col-after-printing-chars col (explode string))
         :exec (vl-col-after-printing-string-aux
                    col string 0 (length string)))))

Theorem: natp-of-vl-col-after-printing-string

(defthm natp-of-vl-col-after-printing-string
  (b* ((new-col (vl-col-after-printing-string$inline col string)))
    (natp new-col))
  :rule-classes :type-prescription)

Theorem: vl-col-after-printing-string$inline-of-nfix-col

(defthm vl-col-after-printing-string$inline-of-nfix-col
  (equal (vl-col-after-printing-string$inline (nfix col)
                                              string)
         (vl-col-after-printing-string$inline col string)))

Theorem: vl-col-after-printing-string$inline-nat-equiv-congruence-on-col

(defthm
    vl-col-after-printing-string$inline-nat-equiv-congruence-on-col
 (implies
     (acl2::nat-equiv col col-equiv)
     (equal (vl-col-after-printing-string$inline col string)
            (vl-col-after-printing-string$inline col-equiv string)))
 :rule-classes :congruence)

Theorem: vl-col-after-printing-string$inline-of-str-fix-string

(defthm vl-col-after-printing-string$inline-of-str-fix-string
  (equal (vl-col-after-printing-string$inline col (str-fix string))
         (vl-col-after-printing-string$inline col string)))

Theorem: vl-col-after-printing-string$inline-streqv-congruence-on-string

(defthm
    vl-col-after-printing-string$inline-streqv-congruence-on-string
 (implies
     (streqv string string-equiv)
     (equal (vl-col-after-printing-string$inline col string)
            (vl-col-after-printing-string$inline col string-equiv)))
 :rule-classes :congruence)

Subtopics

Vl-col-after-printing-string-aux