Hi,
On Sat, Oct 21, 2023 at 7:09 AM Lifepillar <lifepil...@lifepillar.me> wrote:
> I have a function that pipes a buffer into an external program, then
> parses its output in a callback and adds the parsed results to
> a location list. Simplified code for the callback:
>
> def Callback(channel: job, msg: string, winid: number, efm: string,
> cwd: string)
> silent execute "lcd" cwd
> var what = getqflist({"lines": [msg], "efm": efm})
> silent lcd -
> setloclist(winid, what.items, "a")
> enddef
>
> The lines to be parsed have a pretty standard format:
>
> filename:line:col message
>
> The program reads from stdin, hence `filename` is passed as an argument
> to the program. The program simply puts whatever filename it gets into
> its output messages.
>
> This works fine for buffers backed up by a file: I pass the buffer's
> name as the filename argument. My problem is that I don't know how to
> create an entry in the location list for an unsaved buffer. Passing
> something like '[No Name]', 'unnamed', or similar does not work. The
> location list ends up having entries that look like this:
>
> unnamed|1 col 8 E123| some message
>
> If the unsaved buffer ia buffer 1, then the message above is parsed as:
>
> {'items': [{'bufnr': 2, 'lnum': 1, 'col': 8, 'text': 'some message',
> ...}]}
>
> Therefore, selecting such entries causes a new buffer 2 to be created.
>
> How do I generate location list entries that refer to the proper unsaved
> buffer?
>
>
There is a item in the todo list for more than 20 years now for this:
- Add %b to 'errorformat': buffer number. (Yegappan Lakshmanan / Suresh
Govindachar)
- Yegappan
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