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• Make-implicit-wires

Vl-remove-declared-wires

Filter names to remove wires that are already declared. We remove the names of any port declarations, ordinary declarations, global names, and imported names.

Signature

(vl-remove-declared-wires names st) → implicit

Arguments

names — Guard (string-listp names).

st — Guard (vl-implicitst-p st).

Returns

implicit — Subset of names that don't have declarations already, e.g., names that we want to add implicit declarations for.
    Type (string-listp implicit).

Definitions and Theorems

Function: vl-remove-declared-wires

(defun vl-remove-declared-wires (names st)
  (declare (xargs :guard (and (string-listp names)
                              (vl-implicitst-p st))))
  (let ((__function__ 'vl-remove-declared-wires))
    (declare (ignorable __function__))
    (b* (((when (atom names)) nil)
         ((vl-implicitst st))
         (name1 (string-fix (car names)))
         ((when (or (hons-get name1 st.decls)
                    (hons-get name1 st.portdecls)
                    (vl-packagemap-find-name name1 st.wildpkgs)
                    (vl-scopestack-find-item name1 st.ss)))
          (vl-remove-declared-wires (cdr names)
                                    st)))
      (cons name1
            (vl-remove-declared-wires (cdr names)
                                      st)))))

Theorem: string-listp-of-vl-remove-declared-wires

(defthm string-listp-of-vl-remove-declared-wires
  (b* ((implicit (vl-remove-declared-wires names st)))
    (string-listp implicit))
  :rule-classes :rewrite)

Theorem: vl-remove-declared-wires-of-string-list-fix-names

(defthm vl-remove-declared-wires-of-string-list-fix-names
  (equal (vl-remove-declared-wires (string-list-fix names)
                                   st)
         (vl-remove-declared-wires names st)))

Theorem: vl-remove-declared-wires-string-list-equiv-congruence-on-names

(defthm
     vl-remove-declared-wires-string-list-equiv-congruence-on-names
  (implies (str::string-list-equiv names names-equiv)
           (equal (vl-remove-declared-wires names st)
                  (vl-remove-declared-wires names-equiv st)))
  :rule-classes :congruence)

Theorem: vl-remove-declared-wires-of-vl-implicitst-fix-st

(defthm vl-remove-declared-wires-of-vl-implicitst-fix-st
  (equal (vl-remove-declared-wires names (vl-implicitst-fix st))
         (vl-remove-declared-wires names st)))

Theorem: vl-remove-declared-wires-vl-implicitst-equiv-congruence-on-st

(defthm
      vl-remove-declared-wires-vl-implicitst-equiv-congruence-on-st
  (implies (vl-implicitst-equiv st st-equiv)
           (equal (vl-remove-declared-wires names st)
                  (vl-remove-declared-wires names st-equiv)))
  :rule-classes :congruence)