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Vl-parse-net-lvalue-2012

Parse a net_lvalue for SystemVerilog-2012.

Signature

(vl-parse-net-lvalue-2012 &key (tokstream 'tokstream) 
                          (config 'config)) 
 
  → 
(mv errmsg? value new-tokstream)

Arguments

config — Guard (vl-loadconfig-p config).

Definitions and Theorems

Function: vl-parse-net-lvalue-2012-fn

(defun vl-parse-net-lvalue-2012-fn (tokstream config)
 (declare (xargs :stobjs (tokstream)))
 (declare (xargs :guard (vl-loadconfig-p config)))
 (declare (ignorable config))
 (let ((__function__ 'vl-parse-net-lvalue-2012))
  (declare (ignorable __function__))
  (seq
   tokstream (loc := (vl-current-loc))
   (expr := (vl-parse-net-lvalue-2012-aux))
   (when (vl-expr-net-lvalue-p expr)
         (return expr))
   (return-raw
    (mv
     (make-vl-warning
        :type :vl-parse-error
        :msg
        "Parse error at ~a0: not a valid net_lvalue expression: ~a1"
        :args (list loc expr)
        :fn __function__
        :fatalp t)
     nil tokstream)))))

Theorem: vl-parse-net-lvalue-2012-fails-gracefully

(defthm vl-parse-net-lvalue-2012-fails-gracefully
  (implies (mv-nth 0 (vl-parse-net-lvalue-2012))
           (not (mv-nth 1 (vl-parse-net-lvalue-2012)))))

Theorem: vl-warning-p-of-vl-parse-net-lvalue-2012

(defthm vl-warning-p-of-vl-parse-net-lvalue-2012
  (iff (vl-warning-p (mv-nth 0 (vl-parse-net-lvalue-2012)))
       (mv-nth 0 (vl-parse-net-lvalue-2012))))

Theorem: vl-parse-net-lvalue-2012-result

(defthm vl-parse-net-lvalue-2012-result
  (implies (and t)
           (equal (vl-expr-p (mv-nth 1 (vl-parse-net-lvalue-2012)))
                  (not (mv-nth 0 (vl-parse-net-lvalue-2012))))))

Theorem: vl-parse-net-lvalue-2012-count-strong

(defthm vl-parse-net-lvalue-2012-count-strong
 (and
  (<= (vl-tokstream-measure
           :tokstream (mv-nth 2 (vl-parse-net-lvalue-2012)))
      (vl-tokstream-measure))
  (implies (not (mv-nth 0 (vl-parse-net-lvalue-2012)))
           (< (vl-tokstream-measure
                   :tokstream (mv-nth 2 (vl-parse-net-lvalue-2012)))
              (vl-tokstream-measure))))
 :rule-classes ((:rewrite) (:linear)))

Subtopics

Vl-expr-net-lvalue-p

Recognizer an expression that is OK for a SystemVerilog-2012 net_lvalue.