bug#69049: 29.2; Buglet in `read-from-string' (and, likely, `read') with defstructs.

[Philip Kaludercic]

Marco Antoniotti <marco.antoniotti@unimib.it> writes:

> Hi
>
> Here is the problem.  This is in IELM.
>
> ELISP> (cl-defstruct foo (msg "bar"))
> foo
> ELISP> (make-foo)
> #s(foo :msg "bar")
>
> ELISP> (make-foo :msg "baz")
> #s(foo :msg "baz")
>
> ELISP> (read-from-string "#s(foo :msg \"baz\")")
> (#s(foo :msg :msg)
>    . 18)

FWIW on Emacs 30.0.50 I get

(read-from-string "#s(foo :msg \"baz\")") ;=> (#s(foo :msg "baz") . 18)

> As you see, the structure is not read in correctly.
>
> All the best
>
> Marco Antoniotti
>
>
>
>
>
>
>
>
> In GNU Emacs 29.2 (build 1, x86_64-apple-darwin18.7.0, NS appkit-1671.60
> Version 10.14.6 (Build 18G9323)) of 2024-01-18 built on
> builder10-14.lan
> Windowing system distributor 'Apple', version 10.3.2487
> System Description:  macOS 14.3.1
>
> Configured using:
> 'configure --with-ns '--enable-locallisppath=/Library/Application
> Support/Emacs/${version}/site-lisp:/Library/Application
> Support/Emacs/site-lisp' --with-modules 'CFLAGS=-DFD_SETSIZE=10000
> -DDARWIN_UNLIMITED_SELECT' --with-x-toolkit=no'
>
> Configured features:
> ACL GLIB GMP GNUTLS JPEG JSON LIBXML2 MODULES NOTIFY KQUEUE NS PDUMPER
> PNG RSVG SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS TREE_SITTER ZLIB
>
> Important settings:
>   value of $LANG: en_US.UTF-8
>   locale-coding-system: utf-8-unix
>
> Major mode: IELM
>
> Minor modes in effect:
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>   tool-bar-mode: t
>   menu-bar-mode: t
>   file-name-shadow-mode: t
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>   transient-mark-mode: t
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>   auto-encryption-mode: t
>   auto-compression-mode: t
>
> Load-path shadows:
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> /Users/marcoxa/.emacs.d/elpa/use-package-20230426.2324/use-package-diminish 
> hides 
> /Applications/Emacs.app/Contents/Resources/lisp/use-package/use-package-diminish
> /Users/marcoxa/.emacs.d/elpa/use-package-20230426.2324/use-package hides 
> /Applications/Emacs.app/Contents/Resources/lisp/use-package/use-package
> /Users/marcoxa/.emacs.d/elpa/use-package-20230426.2324/use-package-bind-key 
> hides 
> /Applications/Emacs.app/Contents/Resources/lisp/use-package/use-package-bind-key
> /Users/marcoxa/.emacs.d/elpa/bind-key-20230203.2004/bind-key hides 
> /Applications/Emacs.app/Contents/Resources/lisp/use-package/bind-key
> /Users/marcoxa/.emacs.d/elpa/use-package-20230426.2324/use-package-lint hides 
> /Applications/Emacs.app/Contents/Resources/lisp/use-package/use-package-lint
> /Users/marcoxa/.emacs.d/elpa/project-0.10.0/project hides 
> /Applications/Emacs.app/Contents/Resources/lisp/progmodes/project
> /Users/marcoxa/.emacs.d/elpa/eglot-1.17/eglot hides 
> /Applications/Emacs.app/Contents/Resources/lisp/progmodes/eglot
> /Users/marcoxa/.emacs.d/elpa/eldoc-1.15.0/eldoc hides 
> /Applications/Emacs.app/Contents/Resources/lisp/emacs-lisp/eldoc
>
> Features:
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> mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail
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>
> Memory information:
> ((conses 16 301666 14568)
> (symbols 48 15035 0)
> (strings 32 52828 3003)
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>
>
>
>

-- 
Philip Kaludercic