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• Parse-utils

Vl-is-token?

Check whether the current token has a particular type.

Signature

(vl-is-token? type &key (tokstream 'tokstream)) → bool

Arguments

type — Type of token to match.

Definitions and Theorems

Function: vl-is-token?$inline

(defun vl-is-token?$inline (type tokstream)
  (declare (xargs :stobjs (tokstream)))
  (declare (xargs :guard t))
  (let ((__function__ 'vl-is-token?))
    (declare (ignorable __function__))
    (b* ((tokens (vl-tokstream->tokens)))
      (and (consp tokens)
           (eq (vl-token->type (car tokens))
               type)))))

Theorem: vl-is-token?-fn-when-atom-of-tokens

(defthm vl-is-token?-fn-when-atom-of-tokens
  (implies (atom (vl-tokstream->tokens))
           (equal (vl-is-token? type) nil))
  :rule-classes :type-prescription)