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• Sv::vl-expr.lisp

Vl-funname-lookup

Signature

(vl-funname-lookup x ss) → (mv err decl decl-ss elabpath)

Arguments

x — Guard (vl-scopeexpr-p x).

ss — Guard (vl-scopestack-p ss).

Returns

err — Type (iff (vl-msg-p err) err).

decl — Type (implies (not err) (vl-fundecl-p decl)).

decl-ss — Type (implies (not err) (vl-scopestack-p decl-ss)).

elabpath — Type (vl-elabtraversal-p elabpath).

Definitions and Theorems

Function: vl-funname-lookup

(defun vl-funname-lookup (x ss)
 (declare (xargs :guard (and (vl-scopeexpr-p x)
                             (vl-scopestack-p ss))))
 (let ((__function__ 'vl-funname-lookup))
  (declare (ignorable __function__))
  (b*
   (((mv err trace ?context ?tail)
     (vl-follow-scopeexpr x ss))
    ((when err) (mv err nil nil nil))
    ((unless (vl-hidtrace-resolved-p trace))
     (mv (vmsg "Function ~a0 has unresolved indices??"
               :args (list (vl-scopeexpr-fix x)))
         nil nil nil))
    ((vl-hidstep lookup) (car trace))
    ((unless (eq (tag lookup.item) :vl-fundecl))
     (mv
      (vmsg
       "Function name ~a0 does not refer to a fundecl but instead ~
                   ~a1"
       :args (list (vl-scopeexpr-fix x) lookup.item))
      nil nil nil)))
   (mv nil lookup.item
       lookup.ss lookup.elabpath))))

Theorem: return-type-of-vl-funname-lookup.err

(defthm return-type-of-vl-funname-lookup.err
  (b* (((mv ?err ?decl ?decl-ss ?elabpath)
        (vl-funname-lookup x ss)))
    (iff (vl-msg-p err) err))
  :rule-classes :rewrite)

Theorem: return-type-of-vl-funname-lookup.decl

(defthm return-type-of-vl-funname-lookup.decl
  (b* (((mv ?err ?decl ?decl-ss ?elabpath)
        (vl-funname-lookup x ss)))
    (implies (not err) (vl-fundecl-p decl)))
  :rule-classes :rewrite)

Theorem: return-type-of-vl-funname-lookup.decl-ss

(defthm return-type-of-vl-funname-lookup.decl-ss
  (b* (((mv ?err ?decl ?decl-ss ?elabpath)
        (vl-funname-lookup x ss)))
    (implies (not err)
             (vl-scopestack-p decl-ss)))
  :rule-classes :rewrite)

Theorem: vl-elabtraversal-p-of-vl-funname-lookup.elabpath

(defthm vl-elabtraversal-p-of-vl-funname-lookup.elabpath
  (b* (((mv ?err ?decl ?decl-ss ?elabpath)
        (vl-funname-lookup x ss)))
    (vl-elabtraversal-p elabpath))
  :rule-classes :rewrite)

Theorem: vl-funname-lookup-of-vl-scopeexpr-fix-x

(defthm vl-funname-lookup-of-vl-scopeexpr-fix-x
  (equal (vl-funname-lookup (vl-scopeexpr-fix x)
                            ss)
         (vl-funname-lookup x ss)))

Theorem: vl-funname-lookup-vl-scopeexpr-equiv-congruence-on-x

(defthm vl-funname-lookup-vl-scopeexpr-equiv-congruence-on-x
  (implies (vl-scopeexpr-equiv x x-equiv)
           (equal (vl-funname-lookup x ss)
                  (vl-funname-lookup x-equiv ss)))
  :rule-classes :congruence)

Theorem: vl-funname-lookup-of-vl-scopestack-fix-ss

(defthm vl-funname-lookup-of-vl-scopestack-fix-ss
  (equal (vl-funname-lookup x (vl-scopestack-fix ss))
         (vl-funname-lookup x ss)))

Theorem: vl-funname-lookup-vl-scopestack-equiv-congruence-on-ss

(defthm vl-funname-lookup-vl-scopestack-equiv-congruence-on-ss
  (implies (vl-scopestack-equiv ss ss-equiv)
           (equal (vl-funname-lookup x ss)
                  (vl-funname-lookup x ss-equiv)))
  :rule-classes :congruence)