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

[Philip Kaludercic <philipk@posteo.net>]

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:
>   shell-dirtrack-mode: t
>   comint-fontify-input-mode: t
>   tooltip-mode: t
>   global-eldoc-mode: t
>   eldoc-mode: t
>   show-paren-mode: t
>   electric-indent-mode: t
>   mouse-wheel-mode: t
>   tool-bar-mode: t
>   menu-bar-mode: t
>   file-name-shadow-mode: t
>   global-font-lock-mode: t
>   font-lock-mode: t
>   blink-cursor-mode: t
>   column-number-mode: t
>   line-number-mode: t
>   indent-tabs-mode: t
>   transient-mark-mode: t
>   auto-composition-mode: t
>   auto-encryption-mode: t
>   auto-compression-mode: t
>
> Load-path shadows:
> /Users/marcoxa/.emacs.d/elpa/jsonrpc-1.0.24/jsonrpc hides /Applications/Emacs.app/Contents/Resources/lisp/jsonrpc
> /Users/marcoxa/.emacs.d/elpa/use-package-20230426.2324/use-package-jump hides /Applications/Emacs.app/Contents/Resources/lisp/use-package/use-package-jump
> /Users/marcoxa/.emacs.d/elpa/use-package-20230426.2324/use-package-ensure hides /Applications/Emacs.app/Contents/Resources/lisp/use-package/use-package-ensure
> /Users/marcoxa/.emacs.d/elpa/use-package-20230426.2324/use-package-core hides /Applications/Emacs.app/Contents/Resources/lisp/use-package/use-package-core
> /Users/marcoxa/.emacs.d/elpa/use-package-20230426.2324/use-package-delight hides /Applications/Emacs.app/Contents/Resources/lisp/use-package/use-package-delight
> /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:
> (shadow sort mail-extr emacsbug message yank-media puny rfc822 mml
> mml-sec epa epg rfc6068 epg-config gnus-util mm-decode mm-bodies
> mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail
> rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils shell pcomplete
> thingatpt files-x grep help-fns radix-tree inspector cl-print edebug
> debug backtrace find-func misearch multi-isearch ielm pp pcase compile
> text-property-search comint ansi-osc ansi-color ring magicel dired-aux
> dired dired-loaddefs time-date wheatgrass-theme iron-main pl1-mode
> hlasm-mode jcl-poly-mode use-package-ensure use-package-core polymode
> poly-lock polymode-base polymode-weave polymode-export polymode-compat
> advice polymode-methods polymode-core format-spec polymode-classes
> eieio-custom eieio-base color jcl-mode iron-main-mode easy-mmode
> iron-main-epf derived iron-main-hercules-cmds iron-main-jcl-templates
> cl-extra help-mode iron-main-utils iron-main-session
> iron-main-ruler-function iron-main-widgets iron-main-vars wid-edit
> desktop frameset ruler-mode sgml-mode facemenu dom erlang-start
> fortress-mode scala-mode-auto finder-inf ada-mode-autoloads
> ada-ref-man-autoloads auctex-autoloads tex-site auto-complete-autoloads
> cmake-font-lock-autoloads cmake-ide-autoloads cmake-mode-autoloads
> cmake-project-autoloads csv-mode-autoloads eglot-autoloads
> eldoc-autoloads ess-autoloads evil-autoloads flycheck-autoloads
> gnat-compiler-autoloads haskell-mode-autoloads inspector-autoloads
> jsonrpc-autoloads julia-mode-autoloads julia-repl-autoloads
> julia-vterm-autoloads levenshtein-autoloads markdown-mode-autoloads
> mimetypes-autoloads popup-autoloads project-autoloads
> rust-mode-autoloads slime-repl-ansi-color-autoloads slime-autoloads
> macrostep-autoloads slime-theme-autoloads sml-basis-autoloads
> mode-icons-autoloads toml-autoloads toml-mode-autoloads
> treemacs-all-the-icons-autoloads all-the-icons-autoloads
> treemacs-tab-bar-autoloads treemacs-autoloads cfrs-autoloads
> posframe-autoloads ht-autoloads hydra-autoloads lv-autoloads
> pfuture-autoloads ace-window-autoloads avy-autoloads dash-autoloads
> tuareg-autoloads rx caml-autoloads uniquify-files-autoloads
> vterm-autoloads info wisi-autoloads package browse-url url url-proxy
> url-privacy url-expand url-methods url-history url-cookie
> generate-lisp-file url-domsuf url-util mailcap url-handlers url-parse
> auth-source cl-seq eieio eieio-core cl-macs password-cache json subr-x
> map byte-opt gv bytecomp byte-compile url-vars cl-loaddefs cl-lib rmc
> iso-transl tooltip cconv eldoc paren electric uniquify ediff-hook
> vc-hooks lisp-float-type elisp-mode mwheel term/ns-win ns-win
> ucs-normalize mule-util term/common-win tool-bar dnd fontset image
> regexp-opt fringe tabulated-list replace newcomment text-mode lisp-mode
> prog-mode register page tab-bar menu-bar rfn-eshadow isearch easymenu
> timer select scroll-bar mouse jit-lock font-lock syntax font-core
> term/tty-colors frame minibuffer nadvice seq simple cl-generic
> indonesian philippine cham georgian utf-8-lang misc-lang vietnamese
> tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek
> romanian slovak czech european ethiopic indian cyrillic chinese
> composite emoji-zwj charscript charprop case-table epa-hook
> jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs
> theme-loaddefs faces cus-face macroexp files window text-properties
> overlay sha1 md5 base64 format env code-pages mule custom widget keymap
> hashtable-print-readable backquote threads kqueue cocoa ns multi-tty
> make-network-process emacs)
>
> Memory information:
> ((conses 16 301666 14568)
> (symbols 48 15035 0)
> (strings 32 52828 3003)
> (string-bytes 1 1630319)
> (vectors 16 27760)
> (vector-slots 8 373494 19019)
> (floats 8 155 266)
> (intervals 56 13475 301)
> (buffers 984 22))
>
>
>
>

-- 
Philip Kaludercic