X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fcompiler-error.lisp;h=41a1d3b919912941534307d51196fbd634d2929b;hb=19319c931fc1636835dbef71808cc10e252bcf45;hp=ac0a366b7a264e293c130ca6e5ecc7d98b6cc342;hpb=04a651e749befd65ffd8bf49f689b6e7d55607e2;p=sbcl.git

diff --git a/src/compiler/compiler-error.lisp b/src/compiler/compiler-error.lisp
index ac0a366..41a1d3b 100644
--- a/src/compiler/compiler-error.lisp
+++ b/src/compiler/compiler-error.lisp
@@ -99,6 +99,20 @@
     (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)
   (values))