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            • Make-vl-echar-fast
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            • Vl-echar
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• Vl-echar-p

Vl-echar

High-level constructor for an vl-echar-p.

Signature

(vl-echar char loc) → echar

Arguments

char — Guard (characterp char).

loc — Guard (vl-location-p loc).

Returns

echar — Type (vl-echar-p echar).

See make-vl-echar-fast for a faster alternative.

Definitions and Theorems

Function: vl-echar

(defun vl-echar (char loc)
  (declare (xargs :guard (and (characterp char)
                              (vl-location-p loc))))
  (let ((__function__ 'vl-echar))
    (declare (ignorable __function__))
    (b* (((vl-location loc) loc))
      (vl-echar-raw
           loc.filename
           (vl-echarpack (the (unsigned-byte 8) (char-code char))
                         loc.line loc.col)))))

Theorem: vl-echar-p-of-vl-echar

(defthm vl-echar-p-of-vl-echar
  (b* ((echar (vl-echar char loc)))
    (vl-echar-p echar))
  :rule-classes :rewrite)

Theorem: vl-echar-of-char-fix-char

(defthm vl-echar-of-char-fix-char
  (equal (vl-echar (char-fix char) loc)
         (vl-echar char loc)))

Theorem: vl-echar-chareqv-congruence-on-char

(defthm vl-echar-chareqv-congruence-on-char
  (implies (chareqv char char-equiv)
           (equal (vl-echar char loc)
                  (vl-echar char-equiv loc)))
  :rule-classes :congruence)

Theorem: vl-echar-of-vl-location-fix-loc

(defthm vl-echar-of-vl-location-fix-loc
  (equal (vl-echar char (vl-location-fix loc))
         (vl-echar char loc)))

Theorem: vl-echar-vl-location-equiv-congruence-on-loc

(defthm vl-echar-vl-location-equiv-congruence-on-loc
  (implies (vl-location-equiv loc loc-equiv)
           (equal (vl-echar char loc)
                  (vl-echar char loc-equiv)))
  :rule-classes :congruence)