X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Ferror.lisp;h=9086a9416d37acd7a7da466cc314999d5d34afa2;hb=18dc0069cd514c976042766ab9a785c970fe1603;hp=27be4e5bb18cee62fb3fb1eb6c41107e6916a2c0;hpb=a530bbe337109d898d5b4a001fc8f1afa3b5dc39;p=sbcl.git diff --git a/src/code/error.lisp b/src/code/error.lisp index 27be4e5..9086a94 100644 --- a/src/code/error.lisp +++ b/src/code/error.lisp @@ -11,47 +11,223 @@ ;;;; provided with absolutely no warranty. See the COPYING and CREDITS ;;;; files for more information. -(in-package "SB!CONDITIONS") - -(sb!int:file-comment - "$Header$") - -(define-condition simple-style-warning (simple-condition style-warning) ()) +(in-package "SB!KERNEL") ;;; not sure this is the right place, but where else? -(defun style-warn (format-control &rest format-arguments) - (warn 'simple-style-warning - :format-control format-control - :format-arguments format-arguments)) +(defun style-warn (datum &rest arguments) + (/show0 "entering STYLE-WARN") + (/show datum arguments) + (if (stringp datum) + (with-sane-io-syntax + (warn 'simple-style-warning + :format-control datum + :format-arguments arguments)) + ;; Maybe FIXME: check that the DATUM is a STYLE-WARNING or a + ;; specifier for a subtype of STYLE-WARNING? (I had trouble + ;; getting through cold-init with that check enabled, though.) + ;; -- RMK, 20080701. + (apply #'warn datum arguments))) -(define-condition simple-type-error (simple-condition type-error) ()) +;;; a utility for SIGNAL, ERROR, CERROR, WARN, COMPILER-NOTIFY and +;;; INVOKE-DEBUGGER: Parse the hairy argument conventions into a +;;; single argument that's directly usable by all the other routines. +(defun coerce-to-condition (datum arguments default-type fun-name) + (cond ((typep datum 'condition) + (when (and arguments (not (eq fun-name 'cerror))) + (cerror "Ignore the additional arguments." + 'simple-type-error + :datum arguments + :expected-type 'null + :format-control "You may not supply additional arguments ~ + when giving ~S to ~S." + :format-arguments (list datum fun-name))) + datum) + ((symbolp datum) ; roughly, (SUBTYPEP DATUM 'CONDITION) + (apply #'make-condition datum arguments)) + ((or (stringp datum) (functionp datum)) + (make-condition default-type + :format-control datum + :format-arguments arguments)) + (t + (error 'simple-type-error + :datum datum + :expected-type '(or symbol string function) + :format-control "Condition designator ~s is not of type ~s." + :format-arguments (list datum + '(or symbol string function)))))) -(define-condition sb!kernel:layout-invalid (type-error) +(define-condition layout-invalid (type-error) () (:report (lambda (condition stream) - (format stream "Layout-invalid error in ~S:~@ - Type test of class ~S was passed obsolete instance:~% ~S" - (condition-function-name condition) - (sb!kernel:class-proper-name (type-error-expected-type condition)) - (type-error-datum condition))))) + (format stream + "~@" + (classoid-proper-name (type-error-expected-type condition)) + (type-error-datum condition))))) (define-condition case-failure (type-error) ((name :reader case-failure-name :initarg :name) (possibilities :reader case-failure-possibilities :initarg :possibilities)) (:report (lambda (condition stream) - (format stream "~@<~S fell through ~S expression. ~:_Wanted one of ~:S.~:>" - (type-error-datum condition) - (case-failure-name condition) - (case-failure-possibilities condition))))) + (format stream "~@<~S fell through ~S expression. ~ + ~:_Wanted one of ~:S.~:>" + (type-error-datum condition) + (case-failure-name condition) + (case-failure-possibilities condition))))) + +(define-condition compiled-program-error (program-error) + ((message :initarg :message :reader program-error-message) + (source :initarg :source :reader program-error-source)) + (:report (lambda (condition stream) + (format stream "Execution of a form compiled with errors.~%~ + Form:~% ~A~%~ + Compile-time error:~% ~A" + (program-error-source condition) + (program-error-message condition))))) + +(define-condition interpreted-program-error + (program-error encapsulated-condition) + ;; Unlike COMPILED-PROGRAM-ERROR, we don't need to dump these, so + ;; storing the original condition and form is OK. + ((form :initarg :form :reader program-error-form)) + (:report (lambda (condition stream) + (format stream "~&Evaluation of~% ~S~%~ + caused error:~% ~A~%" + (program-error-form condition) + (encapsulated-condition condition))))) + +(define-condition simple-control-error (simple-condition control-error) ()) +(define-condition simple-file-error (simple-condition file-error) ()) +(define-condition simple-program-error (simple-condition program-error) ()) +(define-condition simple-stream-error (simple-condition stream-error) ()) +(define-condition simple-parse-error (simple-condition parse-error) ()) + +(define-condition character-coding-error (error) + ((external-format :initarg :external-format :reader character-coding-error-external-format))) +(define-condition character-encoding-error (character-coding-error) + ((code :initarg :code :reader character-encoding-error-code))) +(define-condition character-decoding-error (character-coding-error) + ((octets :initarg :octets :reader character-decoding-error-octets))) +(define-condition stream-encoding-error (stream-error character-encoding-error) + () + (:report + (lambda (c s) + (let ((stream (stream-error-stream c)) + (code (character-encoding-error-code c))) + (format s "~@<~S stream encoding error on ~S: ~2I~_~ + the character with code ~D cannot be encoded.~@:>" + (character-coding-error-external-format c) + stream + code))))) +(define-condition stream-decoding-error (stream-error character-decoding-error) + () + (:report + (lambda (c s) + (let ((stream (stream-error-stream c)) + (octets (character-decoding-error-octets c))) + (format s "~@<~S stream decoding error on ~S: ~2I~_~ + the octet sequence ~S cannot be decoded.~@:>" + (character-coding-error-external-format c) + stream + octets))))) + +(define-condition c-string-encoding-error (character-encoding-error) + () + (:report + (lambda (c s) + (format s "~@<~S c-string encoding error: ~2I~_~ + the character with code ~D cannot be encoded.~@:>" + (character-coding-error-external-format c) + (character-encoding-error-code c))))) -(define-condition simple-file-error (simple-condition file-error)()) -(define-condition simple-program-error (simple-condition program-error)()) -(define-condition simple-control-error (simple-condition control-error)()) +(define-condition c-string-decoding-error (character-decoding-error) + () + (:report + (lambda (c s) + (format s "~@<~S c-string decoding error: ~2I~_~ + the octet sequence ~S cannot be decoded.~@:>" + (character-coding-error-external-format c) + (character-decoding-error-octets c))))) -;;; This condition is signalled whenever we make a UNKNOWN-TYPE so that -;;; compiler warnings can be emitted as appropriate. -(define-condition parse-unknown-type (condition) - ((specifier :reader parse-unknown-type-specifier :initarg :specifier))) +(define-condition control-stack-exhausted (storage-condition) + () + (:report + (lambda (condition stream) + (declare (ignore condition)) + (format stream + ;; no pretty-printing, because that would use a lot of stack. + "Control stack exhausted (no more space for function call frames). +This is probably due to heavily nested or infinitely recursive function +calls, or a tail call that SBCL cannot or has not optimized away. + +PROCEED WITH CAUTION.")))) +(define-condition binding-stack-exhausted (storage-condition) + () + (:report + (lambda (condition stream) + (declare (ignore condition)) + (format stream + ;; no pretty-printing, because that would use a lot of stack. + "Binding stack exhausted. + +PROCEED WITH CAUTION.")))) + +(define-condition alien-stack-exhausted (storage-condition) + () + (:report + (lambda (condition stream) + (declare (ignore condition)) + (format stream + ;; no pretty-printing, because that would use a lot of stack. + "Alien stack exhausted. + +PROCEED WITH CAUTION.")))) + +(define-condition heap-exhausted-error (storage-condition) + () + (:report + (lambda (condition stream) + (declare (ignore condition)) + (declare (special *heap-exhausted-error-available-bytes* + *heap-exhausted-error-requested-bytes*)) + ;; See comments in interr.lisp -- there is a method to this madness. + (if (and (boundp '*heap-exhausted-error-available-bytes*) + (boundp '*heap-exhausted-error-requested-bytes*)) + (format stream + ;; no pretty-printing, because that will use a lot of heap. + "Heap exhausted (no more space for allocation). +There are still ~D bytes available; the request was for ~D bytes. + +PROCEED WITH CAUTION." + *heap-exhausted-error-available-bytes* + *heap-exhausted-error-requested-bytes*) + (format stream + "A ~S condition without bindings for heap statistics. (If +you did not expect to see this message, please report it." + 'heap-exhausted-error))))) + +(define-condition system-condition (condition) + ((address :initarg :address :reader system-condition-address :initform nil) + (context :initarg :context :reader system-condition-context :initform nil))) + +(define-condition memory-fault-error (system-condition error) () + (:report + (lambda (condition stream) + (format stream "Unhandled memory fault at #x~X." + (system-condition-address condition))))) + +(define-condition breakpoint-error (system-condition error) () + (:report + (lambda (condition stream) + (format stream "Unhandled breakpoint/trap at #x~X." + (system-condition-address condition))))) + +(define-condition interactive-interrupt (system-condition serious-condition) () + (:report + (lambda (condition stream) + (format stream "Interactive interrupt at #x~X." + (system-condition-address condition)))))