A
2010/8/4 Andy Wokula <[email protected]>
> Am 04.08.2010 13:20, schrieb Bram Moolenaar:
>
> Ted cecinemapasderange wrote:
>>
>> I asked [this question] a while back on stackoverflow.com: how to get
>>> the source code for an anonymous VimL function.
>>>
>>> The response that I got explained that doing e.g.
>>>
>>> :function {42}
>>>
>>> would display the source code for anonymous function #42.
>>>
>>> This is particularly useful when debugging errors or exceptions in
>>> anonymous functions, as the function number is the only way to
>>> identify the function.
>>>
>>> However neither I nor the responder seem to be able to find the
>>> documentation for this feature. Is vim intended to work this way?
>>> Can this command be expected to continue to function in subsequent
>>> versions of vim?
>>>
>>> [this question]: http://stackoverflow.com/questions/2626137
>>>
>>
> I'd like to say it's a cool workaround, thanks for sharing!
>
>
> You are not supposed to use the function number. Use the name under
>> which it is stored. E.g. for the example:
>>
>> :let mydict = {'data': [0, 1, 2, 3]}
>> :function mydict.len() dict
>> : return len(self.data)
>> :endfunction
>> :echo mydict.len()
>>
>> You can use
>> :function mydict.len
>>
>
> The obvious question is: If all you get from the error message is a
> number, how do you know this number represents mydict.len()?
>
> The topic has come up before:
>
> getting more information about numbered functions in traces?
>
> http://groups.google.com/group/vim_use/browse_thread/thread/63f4de4d7afd900/b8357da9088ad333
>
> And there is an item in the todo list (:h todo):
>
> It's difficult to debug numbered functions (function in a Dictionary).
> Print
> the function name before resolving it to a number?
> let d = {}
> fun! d.foo()
> echo "here"
> endfun
> call d.foo(9)
>
> --
> Andy
>
>
> --
> You received this message from the "vim_use" maillist.
> Do not top-post! Type your reply below the text you are replying to.
> For more information, visit http://www.vim.org/maillist.php
>
--
You received this message from the "vim_use" maillist.
Do not top-post! Type your reply below the text you are replying to.
For more information, visit http://www.vim.org/maillist.php
