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Syntax

Vl-alwaystype-p

Indicates the kind of an always statement.

In Verilog-2005 there are only always statements. SystemVerilog-2012 adds always_comb, always_latch, and always_ff.

This is an ordinary defenum.

Function: vl-alwaystype-p

(defun vl-alwaystype-p (x)
  (declare (xargs :guard t))
  (or (eq x ':vl-always)
      (eq x ':vl-always-comb)
      (eq x ':vl-always-latch)
      (eq x ':vl-always-ff)))

Theorem: type-when-vl-alwaystype-p

(defthm type-when-vl-alwaystype-p
  (implies (vl-alwaystype-p x)
           (if (symbolp x)
               (if (not (equal x 't))
                   (not (equal x 'nil))
                 'nil)
             'nil))
  :rule-classes :compound-recognizer)