(in-package "SB!KERNEL")
\f
-;;;; miscellaneous support utilities
-
-;;; Signalling an error when trying to print an error condition is
-;;; generally a PITA, so whatever the failure encountered when
-;;; wondering about FILE-POSITION within a condition printer, 'tis
-;;; better silently to give up than to try to complain.
-(defun file-position-or-nil-for-error (stream &optional (pos nil posp))
- ;; Arguably FILE-POSITION shouldn't be signalling errors at all; but
- ;; "NIL if this cannot be determined" in the ANSI spec doesn't seem
- ;; absolutely unambiguously to prohibit errors when, e.g., STREAM
- ;; has been closed so that FILE-POSITION is a nonsense question. So
- ;; my (WHN) impression is that the conservative approach is to
- ;; IGNORE-ERRORS. (I encountered this failure from within a homebrew
- ;; defsystemish operation where the ERROR-STREAM had been CL:CLOSEd,
- ;; I think by nonlocally exiting through a WITH-OPEN-FILE, by the
- ;; time an error was reported.)
- (if posp
- (ignore-errors (file-position stream pos))
- (ignore-errors (file-position stream))))
-\f
;;;; the CONDITION class
(/show0 "condition.lisp 20")
;; is a lambda referring to condition slot accessors:
;; they're not proclaimed as functions before it has run if
;; we're under EVAL or loaded as source.
- (%set-condition-report ',name ,report))))))
+ (%set-condition-report ',name ,report)
+ ',name)))))
\f
;;;; various CONDITIONs specified by ANSI
(:report (lambda (condition stream)
(%report-reader-error condition stream :simple t))))
-(defun stream-error-position-info (stream &optional position)
- (unless (interactive-stream-p stream)
- (let ((now (file-position-or-nil-for-error stream))
- (pos position))
- (when (and (not pos) now (plusp now))
- ;; FILE-POSITION is the next character -- error is at the previous one.
- (setf pos (1- now)))
- (let (lineno colno)
- (when (and pos
- (< pos sb!xc:array-dimension-limit)
- (file-position stream :start))
- (let ((string
- (make-string pos :element-type (stream-element-type stream))))
- (when (= pos (read-sequence string stream))
- ;; Lines count from 1, columns from 0. It's stupid and traditional.
- (setq lineno (1+ (count #\Newline string))
- colno (- pos (or (position #\Newline string :from-end t) 0)))))
- (file-position-or-nil-for-error stream now))
- (remove-if-not #'second
- (list (list :line lineno)
- (list :column colno)
- (list :file-position pos)))))))
-
;;; base REPORTing of a READER-ERROR
;;;
;;; When SIMPLE, we expect and use SIMPLE-CONDITION-ish FORMAT-CONTROL
(define-condition package-at-variance (reference-condition simple-warning)
()
+ (:default-initargs :references (list '(:ansi-cl :macro defpackage)
+ '(:sbcl :variable *on-package-variance*))))
+
+(define-condition package-at-variance-error (reference-condition simple-condition
+ package-error)
+ ()
(:default-initargs :references (list '(:ansi-cl :macro defpackage))))
(define-condition defconstant-uneql (reference-condition error)
((name :initarg :name :reader implicit-generic-function-name))
(:report
(lambda (condition stream)
- (format stream "~@<Implicitly creating new generic function ~S.~:@>"
- (implicit-generic-function-name condition)))))
+ (let ((*package* (find-package :keyword)))
+ (format stream "~@<Implicitly creating new generic function ~S.~:@>"
+ (implicit-generic-function-name condition))))))
(define-condition extension-failure (reference-condition simple-error)
())
(define-condition deprecation-condition ()
((name :initarg :name :reader deprecated-name)
- (replacement :initarg :replacement :reader deprecated-name-replacement)
+ (replacements :initarg :replacements :reader deprecated-name-replacements)
(since :initarg :since :reader deprecated-since)
(runtime-error :initarg :runtime-error :reader deprecated-name-runtime-error)))
(let ((*package* (find-package :keyword)))
(if *print-escape*
(print-unreadable-object (condition stream :type t)
- (format stream "~S is deprecated~@[, use ~S~]"
+ (apply #'format
+ stream "~S is deprecated.~
+ ~#[~; Use ~S instead.~; ~
+ Use ~S or ~S instead.~:; ~
+ Use~@{~#[~; or~] ~S~^,~} instead.~]"
(deprecated-name condition)
- (deprecated-name-replacement condition)))
- (format stream "~@<~S has been deprecated as of SBCL ~A~
- ~@[, use ~S instead~].~:@>"
+ (deprecated-name-replacements condition)))
+ (apply #'format
+ stream "~@<~S has been deprecated as of SBCL ~A.~
+ ~#[~; Use ~S instead.~; ~
+ Use ~S or ~S instead.~:; ~
+ Use~@{~#[~; or~] ~S~^,~:_~} instead.~]~:@>"
(deprecated-name condition)
(deprecated-since condition)
- (deprecated-name-replacement condition)))))
+ (deprecated-name-replacements condition)))))
(define-condition early-deprecation-warning (style-warning deprecation-condition)
())
condition, stepping into the current form. Signals a CONTROL-ERROR is
the restart does not exist."))
-(/show0 "condition.lisp end of file")
+;;; Compiler macro magic
+
+(define-condition compiler-macro-keyword-problem ()
+ ((argument :initarg :argument :reader compiler-macro-keyword-argument))
+ (:report (lambda (condition stream)
+ (format stream "~@<Argument ~S in keyword position is not ~
+ a self-evaluating symbol, preventing compiler-macro ~
+ expansion.~@:>"
+ (compiler-macro-keyword-argument condition)))))
+(/show0 "condition.lisp end of file")
projects / sbcl.git / blobdiff