Add :array-type option to json-parse-string

* src/json.c (enum json_array_type): New type.
(struct json_configuration): New field array_type.
(json_parse_args): Rename the last argument.  Handle the
:array-type keyword argument (bug#32793).
(Fjson_parse_string): Update the docstring accordingly.
(json_to_lisp): Handle the case of :array-type being `list'.  Add
a call to 'rarely_quit' inside the loop.
(syms_of_json): Define new symbols.
(Fjson_serialize, Fjson_insert, Fjson_parse_string)
(Fjson_parse_buffer): Update the config struct initializers.

1 files changed, 5 insertions, 0 deletions

diff --git a/doc/lispref/text.texi b/doc/lispref/text.texi
index 1ef836b8f94..b46ee647862 100644
--- a/doc/lispref/text.texi
+++ b/doc/lispref/text.texi
@@ -5167,6 +5167,11 @@ key-value mappings of a JSON object.  It can be either
 keys; @code{alist} to use alists with symbols as keys; or @code{plist}
 to use plists with keyword symbols as keys.
 
+@item :array-type
+The value decides which Lisp object to use for representing a JSON
+array.  It can be either @code{array}, the default, to use Lisp
+arrays; or @code{list} to use lists.
+
 @item :null-object
 The value decides which Lisp object to use to represent the JSON
 keyword @code{null}.  It defaults to the symbol @code{:null}.