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• Basic-printing

Vl-string-needs-html-encoding-p

Signature

(vl-string-needs-html-encoding-p x n xl) → *

Arguments

x — Guard (stringp x).

n — Guard (natp n).

xl — Guard (eql xl (length x)).

Definitions and Theorems

Function: vl-string-needs-html-encoding-p

(defun
     vl-string-needs-html-encoding-p (x n xl)
     (declare (xargs :guard (and (stringp x)
                                 (natp n)
                                 (eql xl (length x)))))
     (declare (type string x)
              (type unsigned-byte n xl))
     (declare (xargs :split-types t :guard (<= n xl)))
     (let ((__function__ 'vl-string-needs-html-encoding-p))
          (declare (ignorable __function__))
          (b* (((when (mbe :logic (zp (- (nfix xl) (nfix n)))
                           :exec (eql xl n)))
                nil)
               ((the character char) (char x n)))
              (or (eql char #\Space)
                  (eql char #\Newline)
                  (eql char #\<)
                  (eql char #\>)
                  (eql char #\&)
                  (eql char #\")
                  (eql char #\Tab)
                  (vl-string-needs-html-encoding-p x (+ 1 (lnfix n))
                                                   xl)))))

Theorem: vl-string-needs-html-encoding-p-of-str-fix-x

(defthm vl-string-needs-html-encoding-p-of-str-fix-x
        (equal (vl-string-needs-html-encoding-p (str-fix x)
                                                n xl)
               (vl-string-needs-html-encoding-p x n xl)))

Theorem: vl-string-needs-html-encoding-p-streqv-congruence-on-x

(defthm
    vl-string-needs-html-encoding-p-streqv-congruence-on-x
    (implies (streqv x x-equiv)
             (equal (vl-string-needs-html-encoding-p x n xl)
                    (vl-string-needs-html-encoding-p x-equiv n xl)))
    :rule-classes :congruence)

Theorem: vl-string-needs-html-encoding-p-of-nfix-n

(defthm vl-string-needs-html-encoding-p-of-nfix-n
        (equal (vl-string-needs-html-encoding-p x (nfix n)
                                                xl)
               (vl-string-needs-html-encoding-p x n xl)))

Theorem: vl-string-needs-html-encoding-p-nat-equiv-congruence-on-n

(defthm
    vl-string-needs-html-encoding-p-nat-equiv-congruence-on-n
    (implies (acl2::nat-equiv n n-equiv)
             (equal (vl-string-needs-html-encoding-p x n xl)
                    (vl-string-needs-html-encoding-p x n-equiv xl)))
    :rule-classes :congruence)