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• Vl-lexscopes

Vl-lexscopes-do-import

Extend the lexscopes with a package import.

Signature

(vl-lexscopes-do-import x scopes warnings design) 
  → 
(mv scopes warnings)

Arguments

x — Guard (vl-import-p x).

scopes — Guard (vl-lexscopes-p scopes).

warnings — Guard (vl-warninglist-p warnings).

design — Guard (vl-design-p design).

Returns

scopes — Type (vl-lexscopes-p scopes).

warnings — Type (vl-warninglist-p warnings).

Definitions and Theorems

Function: vl-lexscopes-do-import

(defun vl-lexscopes-do-import (x scopes warnings design)
 (declare (xargs :guard (and (vl-import-p x)
                             (vl-lexscopes-p scopes)
                             (vl-warninglist-p warnings)
                             (vl-design-p design))))
 (let ((__function__ 'vl-lexscopes-do-import))
  (declare (ignorable __function__))
  (b*
   (((vl-import x) (vl-import-fix x))
    (scopes (vl-lexscopes-fix scopes))
    (warnings (vl-warninglist-fix warnings))
    ((when (atom scopes))
     (raise "Expected at least one scope.")
     (mv scopes warnings))
    (pkg (vl-find-package x.pkg (vl-design->packages design)))
    (warnings
     (if pkg warnings
       (fatal
            :type :vl-bad-import
            :msg "~a0: trying to import from undefined package ~s1."
            :args (list x x.pkg))))
    (pkg-item-alist (and pkg
                         (vl-package-scope-item-alist-top pkg)))
    ((unless (eq x.part :vl-import*))
     (b*
      ((item (hons-get x.part pkg-item-alist))
       (warnings
          (if item warnings
            (fatal :type :vl-bad-import
                   :msg "~a0: no declaration of ~s1 in package ~s2."
                   :args (list x x.part x.pkg)))))
      (vl-lexscopes-direct-import-name
           x.pkg x.part scopes x warnings)))
    ((vl-lexscope scope1) (car scopes))
    ((when (hons-assoc-equal x.pkg scope1.wildpkgs))
     (mv scopes warnings)))
   (mv
    (cons
     (change-vl-lexscope scope1
                         :wildpkgs (cons (cons x.pkg pkg-item-alist)
                                         scope1.wildpkgs))
     (cdr scopes))
    warnings))))

Theorem: vl-lexscopes-p-of-vl-lexscopes-do-import.scopes

(defthm vl-lexscopes-p-of-vl-lexscopes-do-import.scopes
  (b* (((mv ?scopes ?warnings)
        (vl-lexscopes-do-import x scopes warnings design)))
    (vl-lexscopes-p scopes))
  :rule-classes :rewrite)

Theorem: vl-warninglist-p-of-vl-lexscopes-do-import.warnings

(defthm vl-warninglist-p-of-vl-lexscopes-do-import.warnings
  (b* (((mv ?scopes ?warnings)
        (vl-lexscopes-do-import x scopes warnings design)))
    (vl-warninglist-p warnings))
  :rule-classes :rewrite)

Theorem: vl-lexscopes-do-import-of-vl-import-fix-x

(defthm vl-lexscopes-do-import-of-vl-import-fix-x
  (equal (vl-lexscopes-do-import (vl-import-fix x)
                                 scopes warnings design)
         (vl-lexscopes-do-import x scopes warnings design)))

Theorem: vl-lexscopes-do-import-vl-import-equiv-congruence-on-x

(defthm vl-lexscopes-do-import-vl-import-equiv-congruence-on-x
 (implies
    (vl-import-equiv x x-equiv)
    (equal (vl-lexscopes-do-import x scopes warnings design)
           (vl-lexscopes-do-import x-equiv scopes warnings design)))
 :rule-classes :congruence)

Theorem: vl-lexscopes-do-import-of-vl-lexscopes-fix-scopes

(defthm vl-lexscopes-do-import-of-vl-lexscopes-fix-scopes
  (equal (vl-lexscopes-do-import x (vl-lexscopes-fix scopes)
                                 warnings design)
         (vl-lexscopes-do-import x scopes warnings design)))

Theorem: vl-lexscopes-do-import-vl-lexscopes-equiv-congruence-on-scopes

(defthm
     vl-lexscopes-do-import-vl-lexscopes-equiv-congruence-on-scopes
 (implies
    (vl-lexscopes-equiv scopes scopes-equiv)
    (equal (vl-lexscopes-do-import x scopes warnings design)
           (vl-lexscopes-do-import x scopes-equiv warnings design)))
 :rule-classes :congruence)

Theorem: vl-lexscopes-do-import-of-vl-warninglist-fix-warnings

(defthm vl-lexscopes-do-import-of-vl-warninglist-fix-warnings
 (equal
      (vl-lexscopes-do-import x scopes (vl-warninglist-fix warnings)
                              design)
      (vl-lexscopes-do-import x scopes warnings design)))

Theorem: vl-lexscopes-do-import-vl-warninglist-equiv-congruence-on-warnings

(defthm
 vl-lexscopes-do-import-vl-warninglist-equiv-congruence-on-warnings
 (implies
    (vl-warninglist-equiv warnings warnings-equiv)
    (equal (vl-lexscopes-do-import x scopes warnings design)
           (vl-lexscopes-do-import x scopes warnings-equiv design)))
 :rule-classes :congruence)

Theorem: vl-lexscopes-do-import-of-vl-design-fix-design

(defthm vl-lexscopes-do-import-of-vl-design-fix-design
 (equal
     (vl-lexscopes-do-import x
                             scopes warnings (vl-design-fix design))
     (vl-lexscopes-do-import x scopes warnings design)))

Theorem: vl-lexscopes-do-import-vl-design-equiv-congruence-on-design

(defthm vl-lexscopes-do-import-vl-design-equiv-congruence-on-design
 (implies
    (vl-design-equiv design design-equiv)
    (equal (vl-lexscopes-do-import x scopes warnings design)
           (vl-lexscopes-do-import x scopes warnings design-equiv)))
 :rule-classes :congruence)