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• Defmake-self-event-generation

Defmake-self-gen-option

Generate the ``make-self'' function for an option type.

Signature

(defmake-self-gen-option sum mutrecp fty-table) → event

Arguments

sum — Guard (flexsum-p sum).

mutrecp — Guard (booleanp mutrecp).

fty-table — Guard (alistp fty-table).

Returns

event — Type (acl2::pseudo-event-formp event).

Definitions and Theorems

Function: defmake-self-gen-option

(defun defmake-self-gen-option (sum mutrecp fty-table)
 (declare (xargs :guard (and (flexsum-p sum)
                             (booleanp mutrecp)
                             (alistp fty-table))))
 (declare (xargs :guard (eq (flexsum->typemacro sum)
                            'defoption)))
 (let ((__function__ 'defmake-self-gen-option))
  (declare (ignorable __function__))
  (b*
   ((type (flexsum->name sum))
    ((unless (symbolp type))
     (raise "Internal error: malformed type name ~x0."
            type)
     '(_))
    (type-make-self (defmake-self-gen-name type))
    (type-count (flexsum->count sum))
    (recog (flexsum->pred sum))
    (recp (flexsum->recp sum))
    (type-case (flexsum->case sum))
    ((mv base-type accessor)
     (components-of-flexoption-with-name type fty-table))
    (base-flextype (flextype-with-name base-type fty-table))
    ((unless base-flextype)
     (raise "Internal error: malformed type ~x0."
            base-type)
     '(_))
    (base-type-make-self (defmake-self-gen-name base-type))
    (body
     (cons
      type-case
      (cons type
            (cons ':some
                  (cons (cons base-type-make-self
                              (cons (cons accessor (cons type 'nil))
                                    'nil))
                        '(:none nil)))))))
   (cons
    'define
    (cons
     type-make-self
     (cons
      (cons (cons type (cons recog 'nil))
            'nil)
      (cons
       ':parents
       (cons
        (cons (defmake-self-gen-topic-name type)
              'nil)
        (cons
         body
         (append
          (cond
           (mutrecp
            (cons
             ':measure
             (cons
              (cons
                'acl2::nat-list-measure
                (cons (cons 'list
                            (cons (cons type-count (cons type 'nil))
                                  '(1)))
                      'nil))
              'nil)))
           (recp (cons ':measure
                       (cons (cons type-count (cons type 'nil))
                             'nil)))
           (t nil))
          (and (not mutrecp)
               '(:hooks (:fix)))))))))))))

Theorem: pseudo-event-formp-of-defmake-self-gen-option

(defthm pseudo-event-formp-of-defmake-self-gen-option
  (b* ((event (defmake-self-gen-option sum mutrecp fty-table)))
    (acl2::pseudo-event-formp event))
  :rule-classes :rewrite)