• Top
    • Documentation
    • Books
    • Boolean-reasoning
    • Projects
    • Debugging
    • Std
    • Proof-automation
    • Macro-libraries
    • ACL2
    • Interfacing-tools
    • Hardware-verification
      • Gl
      • Esim
      • Vl2014
        • Warnings
        • Primitives
        • Use-set
        • Syntax
        • Getting-started
        • Utilities
        • Loader
          • Preprocessor
            • Vl-iframe-p
            • Preprocessor-ifdef-minutia
            • Vl-preprocess-loop
            • Vl-read-until-end-of-define
            • Vl-expand-define
            • Vl-read-include
            • Vl-process-ifdef
            • Vl-substitute-into-macro-text
            • Vl-preprocess
            • Vl-define
              • Vl-define-formallist->defaults
              • Vl-define-formallist->names
              • Vl-define-fix
                • Vl-define-formal
                • Vl-define-equiv
                • Make-vl-define
                • Vl-add-define
                • Vl-define->formals
                • Vl-define-p
                • Change-vl-define
                • Vl-define->name
                • Vl-define->loc
                • Vl-define->body
                • Vl-pp-define
                • Vl-define-formallist
              • Vl-process-define
              • Vl-process-undef
              • Preprocessor-include-minutia
              • Vl-split-define-text
              • Vl-read-timescale
              • Vl-line-up-define-formals-and-actuals
              • Vl-process-else
              • Vl-process-endif
              • Vl-istack-p
              • Vl-is-compiler-directive-p
              • Vl-check-remaining-formals-all-have-defaults
              • Vl-safe-previous-n
              • Vl-safe-next-n
              • Vl-defines
              • *vl-preprocess-clock*
            • Vl-loadconfig
            • Lexer
            • Vl-loadstate
            • Parser
            • Vl-load-merge-descriptions
            • Scope-of-defines
            • Vl-load-file
            • Vl-flush-out-descriptions
            • Vl-description
            • Vl-loadresult
            • Vl-read-file
            • Vl-find-basename/extension
            • Vl-find-file
            • Vl-read-files
            • Extended-characters
            • Vl-load
            • Vl-load-main
            • Vl-load-description
            • Vl-descriptions-left-to-load
            • Inject-warnings
            • Vl-load-descriptions
            • Vl-load-files
            • Vl-load-summary
            • Vl-collect-modules-from-descriptions
            • Vl-descriptionlist
          • Transforms
          • Lint
          • Mlib
          • Server
          • Kit
          • Printer
          • Esim-vl
          • Well-formedness
        • Sv
        • Fgl
        • Vwsim
        • Vl
        • X86isa
        • Svl
        • Rtl
      • Software-verification
      • Math
      • Testing-utilities
    • Vl-define

    Vl-define-fix

    Fixing function for vl-define structures.

    Signature
    (vl-define-fix x) → new-x
    Arguments
    x — Guard (vl-define-p x).
    Returns
    new-x — Type (vl-define-p new-x).

    Definitions and Theorems

    Function: vl-define-fix$inline

    (defun vl-define-fix$inline (x)
     (declare (xargs :guard (vl-define-p x)))
     (let ((__function__ 'vl-define-fix))
      (declare (ignorable __function__))
      (mbe
       :logic
       (b* ((name (str-fix (cdr (std::da-nth 0 x))))
            (formals (vl-define-formallist-fix (cdr (std::da-nth 1 x))))
            (body (str-fix (cdr (std::da-nth 2 x))))
            (loc (vl-location-fix (cdr (std::da-nth 3 x)))))
         (list (cons 'name name)
               (cons 'formals formals)
               (cons 'body body)
               (cons 'loc loc)))
       :exec x)))

    Theorem: vl-define-p-of-vl-define-fix

    (defthm vl-define-p-of-vl-define-fix
      (b* ((new-x (vl-define-fix$inline x)))
        (vl-define-p new-x))
      :rule-classes :rewrite)

    Theorem: vl-define-fix-when-vl-define-p

    (defthm vl-define-fix-when-vl-define-p
      (implies (vl-define-p x)
               (equal (vl-define-fix x) x)))

    Function: vl-define-equiv$inline

    (defun vl-define-equiv$inline (acl2::x acl2::y)
      (declare (xargs :guard (and (vl-define-p acl2::x)
                                  (vl-define-p acl2::y))))
      (equal (vl-define-fix acl2::x)
             (vl-define-fix acl2::y)))

    Theorem: vl-define-equiv-is-an-equivalence

    (defthm vl-define-equiv-is-an-equivalence
      (and (booleanp (vl-define-equiv x y))
           (vl-define-equiv x x)
           (implies (vl-define-equiv x y)
                    (vl-define-equiv y x))
           (implies (and (vl-define-equiv x y)
                         (vl-define-equiv y z))
                    (vl-define-equiv x z)))
      :rule-classes (:equivalence))

    Theorem: vl-define-equiv-implies-equal-vl-define-fix-1

    (defthm vl-define-equiv-implies-equal-vl-define-fix-1
      (implies (vl-define-equiv acl2::x x-equiv)
               (equal (vl-define-fix acl2::x)
                      (vl-define-fix x-equiv)))
      :rule-classes (:congruence))

    Theorem: vl-define-fix-under-vl-define-equiv

    (defthm vl-define-fix-under-vl-define-equiv
      (vl-define-equiv (vl-define-fix acl2::x)
                       acl2::x)
      :rule-classes (:rewrite :rewrite-quoted-constant))

    Theorem: equal-of-vl-define-fix-1-forward-to-vl-define-equiv

    (defthm equal-of-vl-define-fix-1-forward-to-vl-define-equiv
      (implies (equal (vl-define-fix acl2::x) acl2::y)
               (vl-define-equiv acl2::x acl2::y))
      :rule-classes :forward-chaining)

    Theorem: equal-of-vl-define-fix-2-forward-to-vl-define-equiv

    (defthm equal-of-vl-define-fix-2-forward-to-vl-define-equiv
      (implies (equal acl2::x (vl-define-fix acl2::y))
               (vl-define-equiv acl2::x acl2::y))
      :rule-classes :forward-chaining)

    Theorem: vl-define-equiv-of-vl-define-fix-1-forward

    (defthm vl-define-equiv-of-vl-define-fix-1-forward
      (implies (vl-define-equiv (vl-define-fix acl2::x)
                                acl2::y)
               (vl-define-equiv acl2::x acl2::y))
      :rule-classes :forward-chaining)

    Theorem: vl-define-equiv-of-vl-define-fix-2-forward

    (defthm vl-define-equiv-of-vl-define-fix-2-forward
      (implies (vl-define-equiv acl2::x (vl-define-fix acl2::y))
               (vl-define-equiv acl2::x acl2::y))
      :rule-classes :forward-chaining)