(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)