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• Tokens

Vl-token->loc

Get the starting location for a token.

Signature

(vl-token->loc x) → loc

Arguments

x — Guard (vl-token-p x).

Returns

loc — Type (vl-location-p loc), given the guard.

Because etext is always required to be a non-empty, we can say that each token has a location, namely the location of its first character.

Definitions and Theorems

Function: vl-token->loc$inline

(defun vl-token->loc$inline (x)
  (declare (xargs :guard (vl-token-p x)))
  (let ((__function__ 'vl-token->loc))
    (declare (ignorable __function__))
    (vl-echar->loc (car (vl-token->etext x)))))

Theorem: vl-location-p-of-vl-token->loc

(defthm vl-location-p-of-vl-token->loc
  (implies (and (force (vl-token-p x)))
           (b* ((loc (vl-token->loc$inline x)))
             (vl-location-p loc)))
  :rule-classes :rewrite)