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• Parse-utils

Vl-lookahead-is-token?

Check whether the current token has a particular type.

Signature

(vl-lookahead-is-token? type tokens) → bool

Arguments

type — Type of token to match.

tokens — Guard (vl-tokenlist-p tokens).

Definitions and Theorems

Function: vl-lookahead-is-token?$inline

(defun vl-lookahead-is-token?$inline (type tokens)
  (declare (xargs :guard (vl-tokenlist-p tokens)))
  (let ((__function__ 'vl-lookahead-is-token?))
    (declare (ignorable __function__))
    (and (consp tokens)
         (eq (vl-token->type (car tokens))
             type))))

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

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