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[elpa] externals/cl-lib fb8701d 04/10: * cl-lib.el (cl-labels): Demote e
From: |
Stefan Monnier |
Subject: |
[elpa] externals/cl-lib fb8701d 04/10: * cl-lib.el (cl-labels): Demote error to message and improve it. |
Date: |
Tue, 1 Dec 2020 15:28:43 -0500 (EST) |
branch: externals/cl-lib
commit fb8701dbac0942936db661e72573ea0eace97149
Author: Stefan Monnier <monnier@iro.umontreal.ca>
Commit: Stefan Monnier <monnier@iro.umontreal.ca>
* cl-lib.el (cl-labels): Demote error to message and improve it.
---
cl-lib.el | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/cl-lib.el b/cl-lib.el
index e4719fc..0720afe 100644
--- a/cl-lib.el
+++ b/cl-lib.el
@@ -1,10 +1,10 @@
;;; cl-lib.el --- Properly prefixed CL functions and macros -*- coding: utf-8
-*-
-;; Copyright (C) 2012 Free Software Foundation, Inc.
+;; Copyright (C) 2012, 2013 Free Software Foundation, Inc.
;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
;; vcomment: Emacs-24.3's version is 1.0 so this has to stay below.
-;; Version: 0.2
+;; Version: 0.3
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
@@ -309,9 +309,14 @@
(unless (fboundp 'cl-labels)
(defmacro cl-labels (&rest args)
- (if (and (boundp 'lexical-binding) lexical-binding)
- `(labels ,@args)
- (error "`cl-labels' with dynamic scoping is not implemented"))))
+ (unless (and (boundp 'lexical-binding) lexical-binding)
+ ;; We used to signal an error rather than a message, but in many uses of
+ ;; cl-labels, the value of lexical-binding doesn't actually matter.
+ ;; More importantly, the value of `lexical-binding' here is unreliable
+ ;; (it does not necessarily reflect faithfully whether the output of this
+ ;; macro will be interpreted as lexically bound code or not).
+ (message "This `cl-labels' requires `lexical-binding' to be non-nil"))
+ `(labels ,@args)))
(provide 'cl-lib)
;;; cl-lib.el ends here
- [elpa] branch externals/cl-lib created (now 2cd9e37), Stefan Monnier, 2020/12/01
- [elpa] externals/cl-lib 455a801 01/10: * packages/cl-lib: New package., Stefan Monnier, 2020/12/01
- [elpa] externals/cl-lib 6f4af5f 02/10: Add cl-letf and cl-labels., Stefan Monnier, 2020/12/01
- [elpa] externals/cl-lib cad1a4c 03/10: * cl-lib.el: Try and patch things up in case we're hiding the real cl-lib., Stefan Monnier, 2020/12/01
- [elpa] externals/cl-lib cf5c963 05/10: * cl-lib.el: Resolve conflicts with old internal definitions (bug#16353)., Stefan Monnier, 2020/12/01
- [elpa] externals/cl-lib 2cd9e37 10/10: * .gitignore: New file, Stefan Monnier, 2020/12/01
- [elpa] externals/cl-lib 9062b27 08/10: * cl-lib/cl-lib.el: Don't use `emacs` package for Emacs<24, Stefan Monnier, 2020/12/01
- [elpa] externals/cl-lib fb8701d 04/10: * cl-lib.el (cl-labels): Demote error to message and improve it.,
Stefan Monnier <=
- [elpa] externals/cl-lib fbed770 06/10: Fixes: debbugs:16671, Stefan Monnier, 2020/12/01
- [elpa] externals/cl-lib 67a7371 07/10: * cl-lib/cl-lib.el: Make it work for Emacs-21. Bump version to 0.6, Stefan Monnier, 2020/12/01
- [elpa] externals/cl-lib 59e400f 09/10: * cl-lib.el: Clarify that it's a forward compatibility version, Stefan Monnier, 2020/12/01