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String-literal-char

String-literal-char-kind

Get the kind (tag) of a string-literal-char structure.

Signature
(string-literal-char-kind x) → kind
Arguments: x — Guard (string-literal-char-p x).

Definitions and Theorems

Function: string-literal-char-kind$inline

(defun string-literal-char-kind$inline (x)
  (declare (xargs :guard (string-literal-char-p x)))
  (let ((__function__ 'string-literal-char-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :char)) :char)
                      (t :escape))
         :exec (car x))))

Theorem: string-literal-char-kind-possibilities

(defthm string-literal-char-kind-possibilities
  (or (equal (string-literal-char-kind x)
             :char)
      (equal (string-literal-char-kind x)
             :escape))
  :rule-classes
  ((:forward-chaining
        :trigger-terms ((string-literal-char-kind x)))))