;;;; DEFINE-CONDITION
(eval-when (:compile-toplevel :load-toplevel :execute)
-(defun %compiler-define-condition (name direct-supers layout)
+(defun %compiler-define-condition (name direct-supers layout
+ all-readers all-writers)
+ (sb!xc:proclaim `(ftype (function (t) t) ,@all-readers))
+ (sb!xc:proclaim `(ftype (function (t t) t) ,@all-writers))
(multiple-value-bind (class old-layout)
(insured-find-classoid name
#'condition-classoid-p
(remove-if-not #'condition-classoid-p
(std-compute-class-precedence-list class))))
(values))
-
) ; EVAL-WHEN
;;; Compute the effective slots of CLASS, copying inherited slots and
(lambda (new-value condition)
(condition-writer-function condition new-value slot-name))))
-(defun %define-condition (name slots documentation report default-initargs)
+(defun %define-condition (name parent-types layout slots documentation
+ report default-initargs all-readers all-writers)
+ (%compiler-define-condition name parent-types layout all-readers all-writers)
(let ((class (find-classoid name)))
(setf (condition-classoid-slots class) slots)
(setf (condition-classoid-report class) report)
(error "unknown option: ~S" (first option)))))
`(progn
- (eval-when (:compile-toplevel :load-toplevel :execute)
- (%compiler-define-condition ',name ',parent-types ',layout))
-
- (declaim (ftype (function (t) t) ,@(all-readers)))
- (declaim (ftype (function (t t) t) ,@(all-writers)))
-
- (%define-condition ',name
- (list ,@(slots))
- ,documentation
- ,report
- (list ,@default-initargs))))))
+ (eval-when (:compile-toplevel)
+ (%compiler-define-condition ',name ',parent-types ',layout
+ ',(all-readers) ',(all-writers)))
+ (eval-when (:load-toplevel :execute)
+ (%define-condition ',name
+ ',parent-types
+ ',layout
+ (list ,@(slots))
+ ,documentation
+ ,report
+ (list ,@default-initargs)
+ ',(all-readers)
+ ',(all-writers)))))))
\f
;;;; DESCRIBE on CONDITIONs
(define-condition simple-condition ()
((format-control :reader simple-condition-format-control
- :initarg :format-control)
+ :initarg :format-control
+ :type format-control)
(format-arguments :reader simple-condition-format-arguments
:initarg :format-arguments
- :initform '()))
+ :initform '()
+ :type list))
(:report simple-condition-printer))
(define-condition simple-warning (simple-condition warning) ())
(define-condition simple-error (simple-condition error) ())
+;;; not specified by ANSI, but too useful not to have around.
+(define-condition simple-style-warning (simple-condition style-warning) ())
+
(define-condition storage-condition (serious-condition) ())
(define-condition type-error (error)
:initform '()))
(:report
(lambda (condition stream)
- (let ((error-stream (stream-error-stream condition)))
- (format stream "READER-ERROR ~@[at ~W ~]on ~S:~%~?"
- (file-position error-stream) error-stream
- (reader-error-format-control condition)
- (reader-error-format-arguments condition))))))
+ (let* ((error-stream (stream-error-stream condition))
+ (pos (file-position error-stream)))
+ (let (lineno colno)
+ (when (and pos
+ (< pos sb!xc:array-dimension-limit)
+ ;; KLUDGE: lseek() (which is what FILE-POSITION
+ ;; reduces to on file-streams) is undefined on
+ ;; "some devices", which in practice means that it
+ ;; can claim to succeed on /dev/stdin on Darwin
+ ;; and Solaris. This is obviously bad news,
+ ;; because the READ-SEQUENCE below will then
+ ;; block, not complete, and the report will never
+ ;; be printed. As a workaround, we exclude
+ ;; interactive streams from this attempt to report
+ ;; positions. -- CSR, 2003-08-21
+ (not (interactive-stream-p error-stream))
+ (file-position error-stream :start))
+ (let ((string
+ (make-string pos
+ :element-type (stream-element-type error-stream))))
+ (when (= pos (read-sequence string error-stream))
+ (setq lineno (1+ (count #\Newline string))
+ colno (- pos
+ (or (position #\Newline string :from-end t) -1)
+ 1))))
+ (file-position error-stream pos))
+ (format stream
+ "READER-ERROR ~@[at ~W ~]~
+ ~@[(line ~W~]~@[, column ~W) ~]~
+ on ~S:~%~?"
+ pos lineno colno error-stream
+ (reader-error-format-control condition)
+ (reader-error-format-arguments condition)))))))
+\f
+;;;; special SBCL extension conditions
+
+;;; an error apparently caused by a bug in SBCL itself
+;;;
+;;; Note that we don't make any serious effort to use this condition
+;;; for *all* errors in SBCL itself. E.g. type errors and array
+;;; indexing errors can occur in functions called from SBCL code, and
+;;; will just end up as ordinary TYPE-ERROR or invalid index error,
+;;; because the signalling code has no good way to know that the
+;;; underlying problem is a bug in SBCL. But in the fairly common case
+;;; that the signalling code does know that it's found a bug in SBCL,
+;;; this condition is appropriate, reusing boilerplate and helping
+;;; users to recognize it as an SBCL bug.
+(define-condition bug (simple-error)
+ ()
+ (:report
+ (lambda (condition stream)
+ (format stream
+ "~@< ~? ~:@_~?~:>"
+ (simple-condition-format-control condition)
+ (simple-condition-format-arguments condition)
+ "~@<This is probably a bug in SBCL itself. (Alternatively, ~
+ SBCL might have been corrupted by bad user code, e.g. by an ~
+ undefined Lisp operation like ~S, or by stray pointers from ~
+ alien code or from unsafe Lisp code; or there might be a bug ~
+ in the OS or hardware that SBCL is running on.) If it seems to ~
+ be a bug in SBCL itself, the maintainers would like to know ~
+ about it. Bug reports are welcome on the SBCL ~
+ mailing lists, which you can find at ~
+ <http://sbcl.sourceforge.net/>.~:@>"
+ '((fmakunbound 'compile))))))
+
+;;; a condition for use in stubs for operations which aren't supported
+;;; on some platforms
+;;;
+;;; E.g. in sbcl-0.7.0.5, it might be appropriate to do something like
+;;; #-(or freebsd linux)
+;;; (defun load-foreign (&rest rest)
+;;; (error 'unsupported-operator :name 'load-foreign))
+;;; #+(or freebsd linux)
+;;; (defun load-foreign ... actual definition ...)
+;;; By signalling a standard condition in this case, we make it
+;;; possible for test code to distinguish between (1) intentionally
+;;; unimplemented and (2) unintentionally just screwed up somehow.
+;;; (Before this condition was defined, test code tried to deal with
+;;; this by checking for FBOUNDP, but that didn't work reliably. In
+;;; sbcl-0.7.0, a a package screwup left the definition of
+;;; LOAD-FOREIGN in the wrong package, so it was unFBOUNDP even on
+;;; architectures where it was supposed to be supported, and the
+;;; regression tests cheerfully passed because they assumed that
+;;; unFBOUNDPness meant they were running on an system which didn't
+;;; support the extension.)
+(define-condition unsupported-operator (cell-error) ()
+ (:report
+ (lambda (condition stream)
+ (format stream
+ "unsupported on this platform (OS, CPU, whatever): ~S"
+ (cell-error-name condition)))))
+\f
+;;; (:ansi-cl :function remove)
+;;; (:ansi-cl :section (a b c))
+;;; (:ansi-cl :glossary "similar")
+;;;
+;;; (:sbcl :node "...")
+;;; (:sbcl :variable *ed-functions*)
+;;;
+;;; FIXME: this is not the right place for this.
+(defun print-reference (reference stream)
+ (ecase (car reference)
+ (:ansi-cl
+ (format stream "The ANSI Standard")
+ (format stream ", ")
+ (destructuring-bind (type data) (cdr reference)
+ (ecase type
+ (:function (format stream "Function ~S" data))
+ (:special-operator (format stream "Special Operator ~S" data))
+ (:macro (format stream "Macro ~S" data))
+ (:section (format stream "Section ~{~D~^.~}" data))
+ (:glossary (format stream "Glossary entry for ~S" data))
+ (:issue (format stream "writeup for Issue ~A" data)))))
+ (:sbcl
+ (format stream "The SBCL Manual")
+ (format stream ", ")
+ (destructuring-bind (type data) (cdr reference)
+ (ecase type
+ (:node (format stream "Node ~S" data))
+ (:variable (format stream "Variable ~S" data)))))
+ ;; FIXME: other documents (e.g. AMOP, Franz documentation :-)
+ ))
+(define-condition reference-condition ()
+ ((references :initarg :references :reader reference-condition-references)))
+(defvar *print-condition-references* t)
+(def!method print-object :around ((o reference-condition) s)
+ (call-next-method)
+ (unless (or *print-escape* *print-readably*)
+ (when *print-condition-references*
+ (format s "~&See also:~%")
+ (pprint-logical-block (s nil :per-line-prefix " ")
+ (do* ((rs (reference-condition-references o) (cdr rs))
+ (r (car rs) (car rs)))
+ ((null rs))
+ (print-reference r s)
+ (unless (null (cdr rs))
+ (terpri s)))))))
+
+(define-condition duplicate-definition (reference-condition warning)
+ ((name :initarg :name :reader duplicate-definition-name))
+ (:report (lambda (c s)
+ (format s "~@<Duplicate definition for ~S found in ~
+ one file.~@:>"
+ (duplicate-definition-name c))))
+ (:default-initargs :references (list '(:ansi-cl :section (3 2 2 3)))))
+
+(define-condition package-at-variance (reference-condition simple-warning)
+ ()
+ (:default-initargs :references (list '(:ansi-cl :macro defpackage))))
+
+(define-condition defconstant-uneql (reference-condition 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))))
+ (:default-initargs :references (list '(:ansi-cl :macro defconstant)
+ '(:sbcl :node "Idiosyncrasies"))))
+
+(define-condition array-initial-element-mismatch
+ (reference-condition simple-warning)
+ ()
+ (:default-initargs
+ :references (list
+ '(:ansi-cl :function make-array)
+ '(:ansi-cl :function sb!xc:upgraded-array-element-type))))
+
+(define-condition displaced-to-array-too-small-error
+ (reference-condition simple-error)
+ ()
+ (:default-initargs
+ :references (list '(:ansi-cl :function adjust-array))))
+
+(define-condition type-warning (reference-condition simple-warning)
+ ()
+ (:default-initargs :references (list '(:sbcl :node "Handling of Types"))))
+
+(define-condition local-argument-mismatch (reference-condition simple-warning)
+ ()
+ (:default-initargs :references (list '(:ansi-cl :section (3 2 2 3)))))
+
+(define-condition format-args-mismatch (reference-condition)
+ ()
+ (:default-initargs :references (list '(:ansi-cl :section (22 3 10 2)))))
+
+(define-condition format-too-few-args-warning
+ (format-args-mismatch simple-warning)
+ ())
+(define-condition format-too-many-args-warning
+ (format-args-mismatch simple-style-warning)
+ ())
+
+(define-condition extension-failure (reference-condition simple-error)
+ ())
\f
;;;; various other (not specified by ANSI) CONDITIONs
;;;;
"The index ~S is too large."
(type-error-datum condition)))))
-(define-condition bounding-indices-bad-error (type-error)
+(define-condition bounding-indices-bad-error (reference-condition type-error)
((object :reader bounding-indices-bad-object :initarg :object))
(:report
(lambda (condition stream)
(etypecase object
(sequence
(format stream
- "The bounding indices ~S and ~S are bad for a sequence of length ~S."
+ "The bounding indices ~S and ~S are bad ~
+ for a sequence of length ~S."
start end (length object)))
(array
;; from WITH-ARRAY-DATA
(format stream
- "The START and END parameters ~S and ~S are bad for an array of total size ~S."
- start end (array-total-size object))))))))
-
-(define-condition nil-array-accessed-error (type-error)
+ "The START and END parameters ~S and ~S are ~
+ bad for an array of total size ~S."
+ start end (array-total-size object)))))))
+ (:default-initargs
+ :references
+ (list '(:ansi-cl :glossary "bounding index designator")
+ '(:ansi-cl :issue "SUBSEQ-OUT-OF-BOUNDS:IS-AN-ERROR"))))
+
+(define-condition nil-array-accessed-error (reference-condition type-error)
()
(:report (lambda (condition stream)
+ (declare (ignore condition))
(format stream
"An attempt to access an array of element-type ~
- NIL was made. Congratulations!"))))
+ NIL was made. Congratulations!")))
+ (:default-initargs
+ :references (list '(:ansi-cl :function sb!xc:upgraded-array-element-type)
+ '(:ansi-cl :section (15 1 2 1))
+ '(:ansi-cl :section (15 1 2 2)))))
(define-condition io-timeout (stream-error)
((direction :reader io-timeout-direction :initarg :direction))
(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)))))
-\f
-;;;; special SBCL extension conditions
-
-;;; an error apparently caused by a bug in SBCL itself
-;;;
-;;; Note that we don't make any serious effort to use this condition
-;;; for *all* errors in SBCL itself. E.g. type errors and array
-;;; indexing errors can occur in functions called from SBCL code, and
-;;; will just end up as ordinary TYPE-ERROR or invalid index error,
-;;; because the signalling code has no good way to know that the
-;;; underlying problem is a bug in SBCL. But in the fairly common case
-;;; that the signalling code does know that it's found a bug in SBCL,
-;;; this condition is appropriate, reusing boilerplate and helping
-;;; users to recognize it as an SBCL bug.
-(define-condition bug (simple-error)
- ()
- (:report
- (lambda (condition stream)
- (format stream
- "~@< ~? ~:@_~?~:>"
- (simple-condition-format-control condition)
- (simple-condition-format-arguments condition)
- "~@<This is probably a bug in SBCL itself. (Alternatively, ~
- SBCL might have been corrupted by bad user code, e.g. by an ~
- undefined Lisp operation like ~S, or by stray pointers from ~
- alien code or from unsafe Lisp code; or there might be a bug ~
- in the OS or hardware that SBCL is running on.) If it seems to ~
- be a bug in SBCL itself, the maintainers would like to know ~
- about it. Bug reports are welcome on the SBCL ~
- mailing lists, which you can find at ~
- <http://sbcl.sourceforge.net/>.~:@>"
- '((fmakunbound 'compile))))))
-(defun bug (format-control &rest format-arguments)
- (error 'bug
- :format-control format-control
- :format-arguments format-arguments))
-
-;;; a condition for use in stubs for operations which aren't supported
-;;; on some platforms
-;;;
-;;; E.g. in sbcl-0.7.0.5, it might be appropriate to do something like
-;;; #-(or freebsd linux)
-;;; (defun load-foreign (&rest rest)
-;;; (error 'unsupported-operator :name 'load-foreign))
-;;; #+(or freebsd linux)
-;;; (defun load-foreign ... actual definition ...)
-;;; By signalling a standard condition in this case, we make it
-;;; possible for test code to distinguish between (1) intentionally
-;;; unimplemented and (2) unintentionally just screwed up somehow.
-;;; (Before this condition was defined, test code tried to deal with
-;;; this by checking for FBOUNDP, but that didn't work reliably. In
-;;; sbcl-0.7.0, a a package screwup left the definition of
-;;; LOAD-FOREIGN in the wrong package, so it was unFBOUNDP even on
-;;; architectures where it was supposed to be supported, and the
-;;; regression tests cheerfully passed because they assumed that
-;;; unFBOUNDPness meant they were running on an system which didn't
-;;; support the extension.)
-(define-condition unsupported-operator (cell-error) ()
- (:report
- (lambda (condition stream)
- (format stream
- "unsupported on this platform (OS, CPU, whatever): ~S"
- (cell-error-name condition)))))
+(define-condition timeout (serious-condition) ())
\f
;;;; restart definitions