0.9.5.62: trivial PCL cleanups

[sbcl.git] / src / code / error.lisp

diff --git a/src/code/error.lisp b/src/code/error.lisp
index 9a0e47d..522df87 100644 (file)
--- a/src/code/error.lisp
+++ b/src/code/error.lisp
@@ -13,26 +13,52 @@
 
 (in-package "SB!KERNEL")
 
 
 (in-package "SB!KERNEL")
 

-(define-condition simple-style-warning (simple-condition style-warning) ())
-

 ;;; not sure this is the right place, but where else?
 (defun style-warn (format-control &rest format-arguments)
   (/show0 "entering STYLE-WARN")
   (/show format-control format-arguments)
 ;;; not sure this is the right place, but where else?
 (defun style-warn (format-control &rest format-arguments)
   (/show0 "entering STYLE-WARN")
   (/show format-control format-arguments)

-  (warn 'simple-style-warning
-       :format-control format-control
-       :format-arguments format-arguments))
+  (with-sane-io-syntax
+      (warn 'simple-style-warning
+            :format-control format-control
+            :format-arguments format-arguments)))
+
+;;; 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)
+                :format-control "bad argument to ~S: ~S"
+                :format-arguments (list fun-name datum)))))

 
 (define-condition layout-invalid (type-error)
   ()
   (:report
    (lambda (condition stream)
      (format stream
 
 (define-condition layout-invalid (type-error)
   ()
   (:report
    (lambda (condition stream)
      (format stream

-            "~@<invalid structure layout: ~
+             "~@<invalid structure layout: ~

               ~2I~_A test for class ~4I~_~S ~
               ~2I~_was passed the obsolete instance ~4I~_~S~:>"
               ~2I~_A test for class ~4I~_~S ~
               ~2I~_was passed the obsolete instance ~4I~_~S~:>"

-            (classoid-proper-name (type-error-expected-type condition))
-            (type-error-datum condition)))))
+             (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)
 
 (define-condition case-failure (type-error)
   ((name :reader case-failure-name :initarg :name)

@@ -41,9 +67,19 @@
     (lambda (condition stream)
       (format stream "~@<~S fell through ~S expression. ~
                       ~:_Wanted one of ~:S.~:>"
     (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)))))
+              (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 simple-control-error (simple-condition control-error) ())
 (define-condition simple-file-error    (simple-condition file-error)    ())
 
 (define-condition simple-control-error (simple-condition control-error) ())
 (define-condition simple-file-error    (simple-condition file-error)    ())

@@ -51,10 +87,31 @@
 (define-condition simple-stream-error  (simple-condition stream-error)  ())
 (define-condition simple-parse-error   (simple-condition parse-error)   ())
 
 (define-condition simple-stream-error  (simple-condition stream-error)  ())
 (define-condition simple-parse-error   (simple-condition parse-error)   ())
 

-;;; 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 character-coding-error (error) ())
+(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 "~@<encoding error on stream ~S (~S ~S): ~2I~_~
+                  the character with code ~D cannot be encoded.~@:>"
+               stream ':external-format (stream-external-format 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 "~@<decoding error on stream ~S (~S ~S): ~2I~_~
+                  the octet sequence ~S cannot be decoded.~@:>"
+               stream ':external-format (stream-external-format stream)
+               octets)))))

 
 (define-condition control-stack-exhausted (storage-condition)
   ()
 
 (define-condition control-stack-exhausted (storage-condition)
   ()

@@ -64,3 +121,9 @@
       (format stream
              "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."))))
 
       (format stream
              "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."))))
 

+(define-condition memory-fault-error (error)
+  ()
+  (:report
+   (lambda (condition stream)
+     (declare (ignore condition))
+     (format stream "memory fault"))))
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