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* bug#46486: 28.0.50; json-parse-string missing support for key-less json strings
@ 2021-02-13 12:04 Thomas Hisch
  2021-02-13 12:08 ` bug#46486: (no subject) Thomas Hisch
                   ` (2 more replies)
  0 siblings, 3 replies; 8+ messages in thread
From: Thomas Hisch @ 2021-02-13 12:04 UTC (permalink / raw)
  To: 46486


The `json-read-from-string' function doesn't support json strings that
only contain a single value, which is neither a list nor a dict, e.g.

"123"

or

"\"abc\""

However, `json-read-from-string' doesn't have this issue:

(require 'json)
(json-read-from-string "\"abc\"")
-> "abc"

(json-parse-string "\"abc\"")
-> progn: could not parse JSON stream: "'[' or '{' expected near '\"abc\"'", "<string>", 1, 5, 5

Note that strings that neither start with [ nor { are valid JSON objects
according to the JSON schema.

Since the docstring of `json-parse-string' mentions `json-serialize' as
essentially being the reverse operation of `json-parse-string', I've
tried to serialize a lisp string:

(json-serialize "abc")
-> progn: Wrong type argument: json-value-p, "abc"

I would also expect this `json-serialize' call to work.



In GNU Emacs 28.0.50 (build 1, x86_64-pc-linux-gnu, X toolkit, cairo version 1.16.0, Xaw scroll bars)
 of 2021-02-12 built on thomas-XPS-13-9360
Repository revision: db237850abc240e2c3e765e9cc7e15ee5681dcaf
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12009000
System Description: Ubuntu 20.10

Configured using:
 'configure 'CFLAGS=-march=native -O3' --prefix=/opt/emacs
 --with-x-toolkit=lucid --with-xpm --without-jpeg --without-gif
 --without-tiff --with-modules --with-json'

Configured features:
CAIRO DBUS FREETYPE GLIB GMP GNUTLS GSETTINGS HARFBUZZ JSON LIBSELINUX
LIBXML2 MODULES NOTIFY INOTIFY PDUMPER PNG SOUND THREADS
TOOLKIT_SCROLL_BARS X11 XDBE XIM XPM LUCID ZLIB

Important settings:
  value of $LC_MONETARY: en_US.UTF-8
  value of $LC_NUMERIC: en_US.UTF-8
  value of $LC_TIME: en_US.UTF-8
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
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Load-path shadows:
/home/thomas/.emacs.d/elpa/magit-20210209.1110/magit-section hides /home/thomas/.emacs.d/elpa/magit-section-20210124.1824/magit-section
/home/thomas/.emacs.d/user-lisp/custom hides /opt/emacs/share/emacs/28.0.50/lisp/custom

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ivy-overlay colir ethan-wspace hideshow url-tramp ims-jira saveplace
ffap paren delsel savehist hi-lock thi-projects winner window-numbering
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loaddefs faces cus-face macroexp files window text-properties overlay
sha1 md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote threads dbusbind inotify
dynamic-setting system-font-setting font-render-setting cairo x-toolkit
x multi-tty make-network-process emacs)

Memory information:
((conses 16 860745 303250)
 (symbols 48 75095 48)
 (strings 32 356592 50903)
 (string-bytes 1 8345016)
 (vectors 16 98242)
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 (floats 8 587 674)
 (intervals 56 18840 12630)
 (buffers 984 29))
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^ permalink raw reply	[flat|nested] 8+ messages in thread
end of thread, other threads:[~2021-02-13 23:22 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-02-13 12:04 bug#46486: 28.0.50; json-parse-string missing support for key-less json strings Thomas Hisch
2021-02-13 12:08 ` bug#46486: (no subject) Thomas Hisch
2021-02-13 12:24 ` bug#46486: 28.0.50; json-parse-string missing support for key-less json strings Philipp
2021-02-13 12:33   ` Philipp
2021-02-13 23:22     ` bug#46486: [External] : " Drew Adams
2021-02-13 12:35   ` Basil L. Contovounesios
2021-02-13 23:20   ` bug#46486: [External] : " Drew Adams
2021-02-13 12:30 ` Basil L. Contovounesios

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