+
+(define-condition reader-impossible-number-error (reader-error)
+ ((error :reader reader-impossible-number-error-error :initarg :error))
+ (:report
+ (lambda (condition stream)
+ (let ((error-stream (stream-error-stream condition)))
+ (format stream "READER-ERROR ~@[at ~W ~]on ~S:~%~?~%Original error: ~A"
+ (file-position error-stream) error-stream
+ (reader-error-format-control condition)
+ (reader-error-format-arguments condition)
+ (reader-impossible-number-error-error condition))))))
+
+(define-condition sb!ext::timeout (serious-condition) ())
+
+(define-condition defconstant-uneql (error)
+ ((name :initarg :name :reader defconstant-uneql-name)
+ (old-value :initarg :old-value :reader defconstant-uneql-old-value)
+ (new-value :initarg :new-value :reader defconstant-uneql-new-value))
+ (:report
+ (lambda (condition stream)
+ (format stream
+ "~@<The constant ~S is being redefined (from ~S to ~S)~@:>"
+ (defconstant-uneql-name condition)
+ (defconstant-uneql-old-value condition)
+ (defconstant-uneql-new-value condition)))))