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bug#60122: 29.0.60; c-ts-mode breaks with '"' separated macros
From: |
Theodor Thornhill |
Subject: |
bug#60122: 29.0.60; c-ts-mode breaks with '"' separated macros |
Date: |
Fri, 16 Dec 2022 20:30:39 +0100 |
Mohammed Sadiq <sadiq@sadiqpk.org> writes:
> The following code is parsed wrong with c-ts-mode:
>
>
> #include <gio/gio.h>
>
> int
> main (void)
> {
> GFileInfo *info;
> GFile *file;
>
> file = g_file_new_for_path ("some/path");
> info = g_file_query_info (file,
> G_FILE_ATTRIBUTE_THUMBNAIL_IS_VALID ","
> G_FILE_ATTRIBUTE_THUMBNAILING_FAILED ","
> G_FILE_ATTRIBUTE_TIME_MODIFIED ","
> G_FILE_ATTRIBUTE_STANDARD_FAST_CONTENT_TYPE,
> G_FILE_QUERY_INFO_NONE,
> NULL, NULL);
> }
>
>
> c-ts-mode doesn't assume G_FILE_ATTRIBUTE_THUMBNAIL_IS_VALID (and
> others) to be a string (or some function/macro call that results in a
> string) resulting in broken font locking and tab indentation.
>
> The same code seems to work fine with c-mode
>
Hi!
If you use treesit-explore-mode, you can see that the tree-sitter parser
returns this ast:
(expression_statement
(assignment_expression left: (identifier) operator: =
right:
(call_expression function: (identifier)
arguments:
(argument_list ( (identifier) , (identifier)
(ERROR ")
,
(string_literal "
(ERROR (identifier))
")
,
(string_literal "
(ERROR (identifier))
")
,
(ERROR ")
(identifier) , (identifier) , (null) , (null) ))))
;)
Because tree-sitter fails to parse this there's only so much we can do.
I think you should file this as a bug at the parser issue tracker over
at github[0]. Maybe it's a known problem already?
Theo
[0]: https://github.com/tree-sitter/tree-sitter-c/issues