X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fcondition.lisp;h=99375b46e782b4d322a74fba1cd70c2e473d723f;hb=2db3b6b4cb740d5b6512459c223859f747807b09;hp=1e5c7c7bb3bb57934e74dd59bff0619401ae879c;hpb=93ba859423ec6e035a7b22a76a2ac70038691d65;p=sbcl.git

diff --git a/src/code/condition.lisp b/src/code/condition.lisp
index 1e5c7c7..99375b4 100644
--- a/src/code/condition.lisp
+++ b/src/code/condition.lisp
@@ -604,6 +604,13 @@
 	     "The function ~S is undefined."
 	     (cell-error-name condition)))))
 
+(define-condition special-form-function (undefined-function) ()
+  (:report
+   (lambda (condition stream)
+     (format stream
+	     "Cannot FUNCALL the SYMBOL-FUNCTION of special operator ~S."
+	     (cell-error-name condition)))))
+
 (define-condition arithmetic-error (error)
   ((operation :reader arithmetic-error-operation
 	      :initarg :operation
@@ -689,15 +696,31 @@
 	     "The index ~S is too large."
 	     (type-error-datum condition)))))
 
-;;; Out-of-range &KEY END arguments are similar to, but off by one
-;;; from out-of-range indices into the sequence.
-(define-condition index-too-large-error (type-error)
-  ()
+(define-condition bounding-indices-bad-error (type-error)
+  ((object :reader bounding-indices-bad-object :initarg :object))
   (:report
    (lambda (condition stream)
-     (format stream
-	     "The end-of-sequence specifier ~S is too large."
-	     (type-error-datum condition)))))
+     (let* ((datum (type-error-datum condition))
+	    (start (car datum))
+	    (end (cdr datum))
+	    (object (bounding-indices-bad-object condition)))
+       (etypecase object
+	 (sequence
+	  (format stream
+		  "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)
+  ()
+  (:report (lambda (condition stream)
+	     (format stream
+		     "An attempt to access an array of element-type ~
+                      NIL was made.  Congratulations!"))))
 
 (define-condition io-timeout (stream-error)
   ((direction :reader io-timeout-direction :initarg :direction))