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• Token-punctuator

Token-punctuator->unwrap

Get the unwrap field from a token-punctuator.

Signature

(token-punctuator->unwrap x) → unwrap

Arguments

x — Guard (tokenp x).

Returns

unwrap — Type (stringp unwrap).

This is an ordinary field accessor created by fty::defprod.

Definitions and Theorems

Function: token-punctuator->unwrap$inline

(defun token-punctuator->unwrap$inline (x)
  (declare (xargs :guard (tokenp x)))
  (declare (xargs :guard (equal (token-kind x) :punctuator)))
  (let ((__function__ 'token-punctuator->unwrap))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and (equal (token-kind x) :punctuator)
                      x)))
           (acl2::str-fix (std::da-nth 0 (cdr x))))
         :exec (std::da-nth 0 (cdr x)))))

Theorem: stringp-of-token-punctuator->unwrap

(defthm stringp-of-token-punctuator->unwrap
  (b* ((unwrap (token-punctuator->unwrap$inline x)))
    (stringp unwrap))
  :rule-classes :rewrite)

Theorem: token-punctuator->unwrap$inline-of-token-fix-x

(defthm token-punctuator->unwrap$inline-of-token-fix-x
  (equal (token-punctuator->unwrap$inline (token-fix x))
         (token-punctuator->unwrap$inline x)))

Theorem: token-punctuator->unwrap$inline-token-equiv-congruence-on-x

(defthm token-punctuator->unwrap$inline-token-equiv-congruence-on-x
  (implies (token-equiv x x-equiv)
           (equal (token-punctuator->unwrap$inline x)
                  (token-punctuator->unwrap$inline x-equiv)))
  :rule-classes :congruence)

Theorem: token-punctuator->unwrap-when-wrong-kind

(defthm token-punctuator->unwrap-when-wrong-kind
  (implies (not (equal (token-kind x) :punctuator))
           (equal (token-punctuator->unwrap x)
                  (acl2::str-fix nil))))