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      • Defequal-input-processing

      Defequal-process-inputs

      Process all the inputs.

      Signature
      (defequal-process-inputs name left left-present right 
                               right-present vars enable verify-guards 
                               left-to-right-name left-to-right-enable 
                               right-to-left-name right-to-left-enable 
                               print show-only ctx state) 
       
        → 
      (mv erp result state)
      Arguments
      left-present — Guard (booleanp left-present).
      right-present — Guard (booleanp right-present).
      Returns
      result — A tuple (x1...xn left-to-right right-to-left updated-names-to-avoid) satisfying (typed-tuplep symbol-listp symbol-listp symbolp symbolp symbol-listp result).

      Definitions and Theorems

      Function: defequal-process-inputs

      (defun defequal-process-inputs
             (name left left-present right
                   right-present vars enable verify-guards
                   left-to-right-name left-to-right-enable
                   right-to-left-name right-to-left-enable
                   print show-only ctx state)
       (declare (xargs :stobjs (state)))
       (declare (xargs :guard (and (booleanp left-present)
                                   (booleanp right-present))))
       (let ((__function__ 'defequal-process-inputs))
        (declare (ignorable __function__))
        (b*
         ((names-to-avoid nil)
          ((er names-to-avoid)
           (defequal-process-name name names-to-avoid ctx state))
          ((er n)
           (defequal-process-left-and-right
                left left-present right
                right-present verify-guards ctx state))
          ((er x1...xn)
           (defequal-process-vars vars name left right n ctx state))
          ((er &)
           (ensure-value-is-boolean$ enable "The :ENABLE input" t nil))
          ((er &)
           (ensure-value-is-boolean$ verify-guards
                                     "The :VERIFY-GUARDS input" t nil))
          ((er (list left-to-right names-to-avoid))
           (defequal-process-left-to-right-name
                left-to-right-name name
                left right names-to-avoid ctx state))
          ((er &)
           (ensure-value-is-boolean$ left-to-right-enable
                                     "The :LEFT-TO-RIGHT-ENABLE input"
                                     t nil))
          ((er (list right-to-left names-to-avoid))
           (defequal-process-right-to-left-name
                right-to-left-name name
                left right names-to-avoid ctx state))
          ((er &)
           (ensure-value-is-boolean$ right-to-left-enable
                                     "The :RIGHT-TO-LEFT-ENABLE input"
                                     t nil))
          ((when (and left-to-right-enable
                      right-to-left-enable))
           (er-soft+
            ctx t nil
            "The :LEFT-TO-RIGHT-ENABLE and :RIGHT-TO-LEFT-ENABLE inputs ~
                         are both T; this is disallowed."))
          ((er &)
           (evmac-process-input-print print ctx state))
          ((er &)
           (evmac-process-input-show-only show-only ctx state)))
         (value (list x1...xn left-to-right
                      right-to-left names-to-avoid)))))