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• Printer

Print-unop

Print a unary operator.

Signature

(print-unop op pstate) → new-pstate

Arguments

op — Guard (unopp op).

pstate — Guard (pristatep pstate).

Returns

new-pstate — Type (pristatep new-pstate).

Definitions and Theorems

Function: print-unop

(defun print-unop (op pstate)
  (declare (xargs :guard (and (unopp op) (pristatep pstate))))
  (let ((__function__ 'print-unop))
    (declare (ignorable __function__))
    (unop-case op
               :address (print-astring "&" pstate)
               :indir (print-astring "*" pstate)
               :plus (print-astring "+" pstate)
               :minus (print-astring "-" pstate)
               :bitnot (print-astring "~" pstate)
               :lognot (print-astring "!" pstate)
               :preinc (print-astring "++" pstate)
               :predec (print-astring "--" pstate)
               :postinc (print-astring "++" pstate)
               :postdec (print-astring "--" pstate)
               :sizeof (print-astring "sizeof" pstate))))

Theorem: pristatep-of-print-unop

(defthm pristatep-of-print-unop
  (b* ((new-pstate (print-unop op pstate)))
    (pristatep new-pstate))
  :rule-classes :rewrite)

Theorem: print-unop-of-unop-fix-op

(defthm print-unop-of-unop-fix-op
  (equal (print-unop (unop-fix op) pstate)
         (print-unop op pstate)))

Theorem: print-unop-unop-equiv-congruence-on-op

(defthm print-unop-unop-equiv-congruence-on-op
  (implies (unop-equiv op op-equiv)
           (equal (print-unop op pstate)
                  (print-unop op-equiv pstate)))
  :rule-classes :congruence)

Theorem: print-unop-of-pristate-fix-pstate

(defthm print-unop-of-pristate-fix-pstate
  (equal (print-unop op (pristate-fix pstate))
         (print-unop op pstate)))

Theorem: print-unop-pristate-equiv-congruence-on-pstate

(defthm print-unop-pristate-equiv-congruence-on-pstate
  (implies (pristate-equiv pstate pstate-equiv)
           (equal (print-unop op pstate)
                  (print-unop op pstate-equiv)))
  :rule-classes :congruence)