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-rw-r--r--src/guile/skribilo/condition.scm29
1 files changed, 25 insertions, 4 deletions
diff --git a/src/guile/skribilo/condition.scm b/src/guile/skribilo/condition.scm
index 2accab2..2fc0e33 100644
--- a/src/guile/skribilo/condition.scm
+++ b/src/guile/skribilo/condition.scm
@@ -20,7 +20,7 @@
(define-module (skribilo condition)
:autoload (srfi srfi-1) (find)
- :autoload (srfi srfi-34) (guard)
+ :autoload (srfi srfi-34) (with-exception-handler)
:use-module (srfi srfi-35)
:use-module (srfi srfi-39)
:autoload (skribilo utils syntax) (_ N_)
@@ -118,12 +118,26 @@
;;; Convenience functions.
;;;
+(define (show-stack-trace)
+ ;; Display a backtrace to stderr if possible.
+ (let ((stack (make-stack #t)))
+ (if stack
+ (begin
+ (format (current-error-port) "~%Call stack:~%")
+ (display-backtrace stack (current-error-port)))
+ (begin
+ (format (current-error-port) (_ "Call stack trace not available.~%"))
+ (format (current-error-port) (_ "Use `GUILE=\"guile --debug\" skribilo ...' for a detailed stack trace."))))))
+
(define (%call-with-skribilo-error-catch thunk exit exit-val)
- (guard (c ((invalid-argument-error? c)
+ (with-exception-handler
+ (lambda (c)
+ (cond ((invalid-argument-error? c)
(format (current-error-port)
(_ "in `~a': invalid argument: ~S~%")
(invalid-argument-error:proc-name c)
(invalid-argument-error:argument c))
+ (show-stack-trace)
(exit exit-val))
((too-few-arguments-error? c)
@@ -131,6 +145,7 @@
(_ "in `~a': too few arguments: ~S~%")
(too-few-arguments-error:proc-name c)
(too-few-arguments-error:arguments c))
+ (show-stack-trace)
(exit exit-val))
((file-search-error? c)
@@ -138,24 +153,28 @@
(_ "~a: not found in path `~S'~%")
(file-error:file-name c)
(file-search-error:path c))
+ (show-stack-trace)
(exit exit-val))
((file-open-error? c)
(format (current-error-port)
(_ "~a: cannot open file~%")
(file-error:file-name c))
+ (show-stack-trace)
(exit exit-val))
((file-write-error? c)
(format (current-error-port)
(_ "~a: cannot write to file~%")
(file-error:file-name c))
+ (show-stack-trace)
(exit exit-val))
((file-error? c)
(format (current-error-port)
(_ "file error: ~a~%")
(file-error:file-name c))
+ (show-stack-trace)
(exit exit-val))
((skribilo-error? c)
@@ -165,13 +184,15 @@
(format (current-error-port)
(_ "undefined skribilo error: ~S~%")
c)))
+ (show-stack-trace)
(exit exit-val))
((message-condition? c)
(format (current-error-port) (condition-message c))
- (exit exit-val)))
+ (show-stack-trace)
+ (exit exit-val))))
- (thunk)))
+ thunk))
(define-macro (call-with-skribilo-error-catch thunk)
`(call/cc (lambda (cont)