Hi,
On Sun, Jul 17, 2016 at 5:27 PM, Yegappan Lakshmanan
<[email protected]> wrote:
> Hi,
>
> On Mon, Apr 13, 2015 at 5:04 AM, <[email protected]> wrote:
>> Hello,
>>
>> I did not expect that many reactions. This is nice.
>> Thank you all for your interest in the matter.
>>
>>> > Ah, but as long as you are OK with that information showing up in
>>> > the title, if you can set w:quickfix_title to an arbitrary string,
>>> > then you *can* store arbitrary data associated with a given
>>> > quickfix list.
>>>
>>> Being able to save "ancillary" data in quickfix lists / loclists
>>> as the OP suggests would be quite useful too. Then w:quickfix_title
>>> could be saved there, and that would be easier to implement than
>>> keeping track of updates to w:quickfix_title.
>>
>> Indeed, having "ancillary" data would be much more easier to use. Storing
>> several variables in the w:quickfix_title wouldn't very practical. Actually,
>> I want to export several buffer-local variables to the quickfix buffer. I use
>> some of them to conceal part of the generated error messages, other like
>> &l:tags are required to be able to jump on definition/declaration from
>> identifiers found in the error messages, &l:makeprg will be needed in order
>> to have :make compile the same thing, others variables (like project and
>> compilation mode) will be displayed in the status(air)line, etc.
>>
>> Moreover, I've experienced some odd behaviours regarding the w:quickfix_title
>> -- as it's automatically set to things like "setqflist()".
>>
>> [I can't really comment on the other internal ways of handling quickfix data]
>>
>> Thus, I take notice so far that there is no neat way to store variables along
>> with a quickfix list. An optional data field would do the trick. I guess it
>> would be more expensive than what I need, but it would do the trick.
>>
>> Thank you all anyway.
>>
>> I'll try to override the meaning of "nr" field for my needs.
>>
>
> I am attaching a patch to add the following functions to store and retrieve
> a context from a location/quickfix list:
>
> setqflistctx()
> getqflistctx()
> setloclistctx()
> getloclistctx()
>
> The context can be any Vim variable type.
>
> The patch also adds the following functions to set/get the title string:
>
> setqflisttitle()
> getqflisttitle()
> setloclisttitle()
> getloclisttitle()
>
> Let me know if you have any comments/suggestions on these functions.
>
The documentation for these new functions is below:
setqflistctx({val})
Sets the quickfix list context to {val}. {val} can be any Vim
variable type (Number, String, List, Dict, etc.). Returns 0 on
success and -1 on error.
getqflistctx()
Returns the quickfix list context. The quickfix list context is
set using |setqflistctx()|. Returns 0 if the context is not
set.
setloclistctx({nr}, {val})
Sets the location list context for window {nr} to {val}. {val}
can be any Vim variable type (Number, String, List, Dict, etc.)
Returns 0 on success and -1 if the window {nr} is not present.
If the location list is not present for window {nr}, then it
will be created.
getloclistctx({nr})
Returns the location list context for window {nr}. For the use
of {nr}, see |getloclist()| above. The location list context is
set using |setloclistctx()|. Returns 0 if the context is not
set or the location list is not present.
setqflisttitle({string})
Sets the quickfix list title to {string}. By default, the title
is set to the command that created the quickfix list. Returns 0
on success and -1 on error.
getqflisttitle()
Returns the quickfix list title string. The quickfix list title
is set using |setqflisttitle()|. Returns an empty string if the
title is not set.
setloclisttitle({nr}, {string})
Sets the location list title for window {nr} to {string}. By
default, the title is set to the command that created the
location list. Returns 0 on success and -1 if the window {nr}
is not present. If the location list is not present for window
{nr}, then it will be created.
getloclisttitle({nr})
Returns the location list title string for window {nr}. For
the use of {nr}, see |getloclist()| above. The location list
title is set using |setloclisttitle()|. Returns an empty string
if the title is not set or the location list is not present.
- Yegappan
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