X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fcondition.lisp;h=2169ccdb922e02b86f8762e60c879e246d13d616;hb=8eee0d3a30bf39d9f201acff28c92059fe6c3e4e;hp=ace650cf790205e1fdca02d0c96ad200f9c9392b;hpb=ee8c58af0f59d9e5b4307efcbf944f88b850343b;p=sbcl.git

diff --git a/src/code/condition.lisp b/src/code/condition.lisp
index ace650c..2169ccd 100644
--- a/src/code/condition.lisp
+++ b/src/code/condition.lisp
@@ -648,6 +648,11 @@
              "end of file on ~S"
              (stream-error-stream condition)))))
 
+(define-condition closed-stream-error (stream-error) ()
+  (:report
+   (lambda (condition stream)
+     (format stream "~S is closed" (stream-error-stream condition)))))
+
 (define-condition file-error (error)
   ((pathname :reader file-error-pathname :initarg :pathname))
   (:report
@@ -903,6 +908,9 @@
 (define-condition simple-reference-error (reference-condition simple-error)
   ())
 
+(define-condition simple-reference-warning (reference-condition simple-warning)
+  ())
+
 (define-condition duplicate-definition (reference-condition warning)
   ((name :initarg :name :reader duplicate-definition-name))
   (:report (lambda (c s)
@@ -1177,6 +1185,14 @@ SB-EXT:PACKAGE-LOCKED-ERROR-SYMBOL."))
                (simple-condition-format-arguments condition)
                (reader-impossible-number-error-error condition))))))
 
+(define-condition standard-readtable-modified-error (reference-condition error)
+  ((operation :initarg :operation :reader standard-readtable-modified-operation))
+  (:report (lambda (condition stream)
+             (format stream "~S would modify the standard readtable."
+                     (standard-readtable-modified-operation condition))))
+  (:default-initargs :references `((:ansi-cl :section (2 1 1 2))
+                                   (:ansi-cl :glossary "standard readtable"))))
+
 (define-condition timeout (serious-condition)
   ((seconds :initarg :seconds :initform nil :reader timeout-seconds))
   (:report (lambda (condition stream)
@@ -1276,8 +1292,9 @@ the values returned by the form as a list. No associated restarts."))
 
 ;;; A knob for muffling warnings, mostly for use while loading files.
 (defvar *muffled-warnings* 'uninteresting-redefinition
-  "A type that ought to specify a subtype of WARNING.  Whenever a warning
-is signaled, if the warning if of this type, it will be muffled.")
+  "A type that ought to specify a subtype of WARNING.  Whenever a
+warning is signaled, if the warning if of this type and is not
+handled by any other handler, it will be muffled.")
 
 ;;; Various STYLE-WARNING signaled in the system.
 ;; For the moment, we're only getting into the details for function
@@ -1398,11 +1415,10 @@ is signaled, if the warning if of this type, it will be muffled.")
        ;; clearly uninteresting, and we'll say arbitrarily that
        ;; replacing an interpreted function with an interpreted
        ;; function is uninteresting, too, but leave out the
-       ;; compiled-to-interpreted and interpreted-to-compiled cases.
-       (when (or (and (typep old-fdefn
-                             '(or #!+sb-eval sb!eval:interpreted-function))
-                      (typep new-fdefn
-                             '(or #!+sb-eval sb!eval:interpreted-function)))
+       ;; compiled-to-interpreted case.
+       (when (or (typep
+                  old-fdefn
+                  '(or #!+sb-eval sb!eval:interpreted-function))
                  (and (typep old-fdefn
                              '(and compiled-function
                                (not funcallable-instance)))