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From: "Ludovic Courtès" <ludo@gnu.org>
To: 48089@debbugs.gnu.org
Subject: bug#48089: Guile 3.0.6 returns zero-indexed locations for ‘read-error’
Date: Thu, 29 Apr 2021 11:33:27 +0200	[thread overview]
Message-ID: <87o8dxmo48.fsf@gnu.org> (raw)
In-Reply-To: <877dkmox7x.fsf@inria.fr> ("Ludovic Courtès"'s message of "Thu, 29 Apr 2021 00:33:54 +0200")

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Ludovic Courtès <ludo@gnu.org> skribis:

> Guile 3.0.6 returns zero-indexed (instead of one-indexed) source code
> locations for ‘read-error’.  Here’s a 3.0.6/3.0.5 comparison:
>
> $ /gnu/store/r2nr74rwhpqg16y1lyi6l0jn3lwx4yyz-guile-3.0.6/bin/guile  <(echo '(')
> ice-9/read.scm:126:4: In procedure lp:
> /dev/fd/63:1:0: unexpected end of input while searching for: )
> $ guile  <(echo '(')
> ERROR: In procedure primitive-load:
> In procedure scm_i_lreadparen: /dev/fd/63:2:1: end of file

Here’s a test case waiting to succeed!  :-)


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diff --git a/test-suite/tests/reader.test b/test-suite/tests/reader.test
index fad531b39..231e69553 100644
--- a/test-suite/tests/reader.test
+++ b/test-suite/tests/reader.test
@@ -212,6 +212,18 @@
 
 \f
 (with-test-prefix "mismatching parentheses"
+  (pass-if-equal "read-error location"
+      '("foo.scm:3:1: unexpected end of input while searching for: ~A" #\))
+    (catch 'read-error
+      (lambda ()
+        ;; The missing closing paren error should be located on line 3,
+        ;; column 1 (one-indexed).
+        (call-with-input-string "\n    (hi there!\n"
+          (lambda (port)
+            (set-port-filename! port "foo.scm")
+            (read port))))
+      (lambda (key proc message args . _)
+        (cons message args))))
   (pass-if-exception "opening parenthesis"
     exception:eof
     (read-string "("))

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Ludo’.

  reply	other threads:[~2021-04-29  9:33 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-28 22:33 bug#48089: Guile 3.0.6 returns zero-indexed locations for ‘read-error’ Ludovic Courtès
2021-04-29  9:33 ` Ludovic Courtès [this message]
2021-04-29 20:04   ` Andy Wingo

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