X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fcompiler-error.lisp;h=41a1d3b919912941534307d51196fbd634d2929b;hb=69e6aef5e6fb3bd682c7a2cbf774034d2ea58ee8;hp=f3b542636766c7e954fb38dfeae8cbe4fc4e9f89;hpb=ac93aa515b197d751dad85d70432ebc87fac420a;p=sbcl.git

diff --git a/src/compiler/compiler-error.lisp b/src/compiler/compiler-error.lisp
index f3b5426..41a1d3b 100644
--- a/src/compiler/compiler-error.lisp
+++ b/src/compiler/compiler-error.lisp
@@ -91,14 +91,27 @@
   (let ((condition (coerce-to-condition datum arguments
                                         'simple-program-error 'compiler-error)))
     (restart-case
-        (progn
-          (cerror "Replace form with call to ERROR."
-                  'compiler-error
-                  :condition condition)
-          (funcall *compiler-error-bailout* condition)
-          (bug "Control returned from *COMPILER-ERROR-BAILOUT*."))
+        (cerror "Replace form with call to ERROR."
+                'compiler-error
+                :condition condition)
       (signal-error ()
-        (error condition)))))
+        (error condition)))
+    (funcall *compiler-error-bailout* condition)
+    (bug "Control returned from *COMPILER-ERROR-BAILOUT*.")))
+
+(defmacro with-compiler-error-resignalling (&body body)
+  `(handler-bind
+       ((compiler-error
+          (lambda (c)
+            (if (boundp '*compiler-error-bailout*)
+                ;; if we're in the compiler, delegate either to a higher
+                ;; authority or, if that's us, back down to the
+                ;; outermost compiler handler...
+                (signal c)
+                ;; ... if we're not in the compiler, better signal the
+                ;; error straight away.
+                (invoke-restart 'signal-error)))))
+     ,@body))
 
 (defun compiler-warn (datum &rest arguments)
   (apply #'warn datum arguments)
@@ -108,10 +121,15 @@
   (apply #'style-warn datum arguments)
   (values))
 
+(defun source-to-string (source)
+  (write-to-string source
+                   :escape t :readably nil :pretty t
+                   :circle t :array nil))
+
 (defun make-compiler-error-form (condition source)
   `(error 'compiled-program-error
           :message ,(princ-to-string condition)
-          :source ,(princ-to-string source)))
+          :source ,(source-to-string source)))
 
 ;;; Fatal compiler errors. We export FATAL-COMPILER-ERROR as an
 ;;; interface for errors that kill the compiler dead