GNU bug report logs - #66615
30.0.50; Inconsistent 'number-or-marker' type definition in the cl- machinery

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Andrea Corallo <acorallo <at> gnu.org>
To: <bug-gnu-emacs <at> gnu.org>
Cc: Mattias Engdegård <mattias.engdegard <at> gmail.com>, Stefan
 Monnier <monnier <at> iro.umontreal.ca>
Subject: 30.0.50; Inconsistent 'number-or-marker' type definition in the cl-
 machinery
Date: Wed, 18 Oct 2023 13:59:21 -0400

[Message part 1 (text/plain, inline)]

Hello all,

while performing some development I noticed that 'number-or-marker' is
mentioned as a type in 'cl--typeof-types'.

Unfortunatelly its entry is missing in 'cl-deftype-satisfies' (see
cl-macs.el:3469).

My question is, why do we consider 'number-or-marker' in the first place
a type if we support the or syntax in `cl-typep' like
(cl-typep 3 '(or marker number)) ?

I'd like to fix this inconsistency in order to progress with my
development, originally I worked out the attached patch but I now
suspect that (unless there's a specific reason) we should just remove
'number-or-marker' as a type entirely instead.

WDYT? Thanks

  Andrea

PS also I think we have a similar issue/question with
'integer-or-marker'.

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[0001-Add-two-missing-number-or-marker-entries-to-the-cl-m.patch (text/x-diff, inline)]

From 05d85f19e51c15df8824df8e8608784ec79b37cf Mon Sep 17 00:00:00 2001
From: Andrea Corallo <acorallo <at> gnu.org>
Date: Wed, 18 Oct 2023 16:10:08 +0200
Subject: [PATCH] Add two missing 'number-or-marker' entries to the cl
 machinery.

Assuming 'number-or-marker' is a type (as present multiple times in
cl--typeof-types) adding some missing entries for coherency.

* lisp/emacs-lisp/cl-preloaded.el (cl--typeof-types): Add
'number-or-marker' as supertype of 'number' in the 'float' branch.

* lisp/emacs-lisp/cl-macs.el (cl-deftype-satisfies): Add
'number-or-marker'.

* test/lisp/emacs-lisp/comp-cstr-tests.el (comp-cstr-typespec-tests-alist):
Update test.

* test/src/comp-tests.el (comp-tests-type-spec-tests): Update two testes.
---
 lisp/emacs-lisp/cl-macs.el              | 3 ++-
 lisp/emacs-lisp/cl-preloaded.el         | 4 ++--
 test/lisp/emacs-lisp/comp-cstr-tests.el | 2 +-
 test/src/comp-tests.el                  | 4 ++--
 4 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/lisp/emacs-lisp/cl-macs.el b/lisp/emacs-lisp/cl-macs.el
index 8025a64f1bf..722d561b9f4 100644
--- a/lisp/emacs-lisp/cl-macs.el
+++ b/lisp/emacs-lisp/cl-macs.el
@@ -3502,7 +3502,8 @@ cl--macroexp-fboundp
                  (symbol	. symbolp)
                  (vector	. vectorp)
                  (window	. windowp)
-                 ;; FIXME: Do we really want to consider this a type?
+                 ;; FIXME: Do we really want to consider these types?
+                 (number-or-marker . number-or-marker-p)
                  (integer-or-marker . integer-or-marker-p)
                  ))
   (put type 'cl-deftype-satisfies pred))
diff --git a/lisp/emacs-lisp/cl-preloaded.el b/lisp/emacs-lisp/cl-preloaded.el
index 676326980aa..96e288db7d5 100644
--- a/lisp/emacs-lisp/cl-preloaded.el
+++ b/lisp/emacs-lisp/cl-preloaded.el
@@ -58,8 +58,8 @@ cl--typeof-types
     ;; Markers aren't `numberp', yet they are accepted wherever integers are
     ;; accepted, pretty much.
     (marker number-or-marker atom)
-    (overlay atom) (float number atom) (window-configuration atom)
-    (process atom) (window atom)
+    (overlay atom) (float number number-or-marker atom)
+    (window-configuration atom) (process atom) (window atom)
     ;; FIXME: We'd want to put `function' here, but that's only true
     ;; for those `subr's which aren't special forms!
     (subr atom)
diff --git a/test/lisp/emacs-lisp/comp-cstr-tests.el b/test/lisp/emacs-lisp/comp-cstr-tests.el
index a4f282fcfef..d2f552af6fa 100644
--- a/test/lisp/emacs-lisp/comp-cstr-tests.el
+++ b/test/lisp/emacs-lisp/comp-cstr-tests.el
@@ -191,7 +191,7 @@
       ;; 74
       ((and boolean (or number marker)) . nil)
       ;; 75
-      ((and atom (or number marker)) . (or marker number))
+      ((and atom (or number marker)) . number-or-marker)
       ;; 76
       ((and symbol (or number marker)) . nil)
       ;; 77
diff --git a/test/src/comp-tests.el b/test/src/comp-tests.el
index 4444ab61219..31871bb2eec 100644
--- a/test/src/comp-tests.el
+++ b/test/src/comp-tests.el
@@ -977,7 +977,7 @@ comp-tests-check-ret-type-spec
          (if (= x y)
              x
            'foo))
-       '(or (member foo) marker number))
+       '(or (member foo) marker-or-number))
 
       ;; 14
       ((defun comp-tests-ret-type-spec-f (x)
@@ -1117,7 +1117,7 @@ comp-tests-check-ret-type-spec
       ((defun comp-tests-ret-type-spec-f (x)
 	 (when (> x 1.0)
 	   x))
-       '(or null marker number))
+       '(or null number-or-marker))
 
       ;; 36
       ((defun comp-tests-ret-type-spec-f (x y)
-- 
2.25.1

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