Hi Bram!
On Sa, 23 Mär 2013, Bram Moolenaar wrote:
>
> Christian Brabandt wrote:
>
> > On Fr, 22 Mär 2013, Jim Stewart wrote:
> >
> > > This is an old post, but I'm glad I ran into it.
> > >
> > > I'm fairly sure you're right about this, and that it's a bug in Vim
> > > rather than intentional behavior. I think it's a side-effect of the
> > > intended behavior that references a variable won't trigger an autoload.
> > >
> > > I've been going nuts trying to debug something, and this is the exact
> > > behavior I see. I'm not going to dive into the yak shaving hole and
> > > check the Vim source tonight, but this warrants some investigation. If
> > > it's intentional, I'm not sure why; powerful things could be done with
> > > this working.
> > >
> > > If I fix it I'll try to remember to update here. This is the only
> > > comment on the net about it that I've run across so far.
> >
> > What Vim version does that happen. I don't see the error with vim
> > 7.3.854
>
> It's actually in the todo list:
>
> Using ":call foo#d.f()" doesn't autoload the "foo.vim" file.
> That is, calling a dictionary function on an autoloaded dict.
> Works OK for echo, just not for ":call" and ":call call()". (Ted, 2011 Mar
> 17)
I see the problem:
get_lval() calls find_var() with the hashtab argument set. find_var()
then calls find_var_in_ht() with the third argument being not null (e.g.
writing flag is true). But autoloading only happens, when writing flag
is false.
This simple patch fixes it, but I don't know if this is correct (but at
least the testsuite runs successfully)
diff --git a/src/eval.c b/src/eval.c
--- a/src/eval.c
+++ b/src/eval.c
@@ -2551,7 +2551,6 @@
listitem_T *ni;
char_u *key = NULL;
int len;
- hashtab_T *ht;
/* Clear everything in "lp". */
vim_memset(lp, 0, sizeof(lval_T));
@@ -2599,7 +2598,7 @@
cc = *p;
*p = NUL;
- v = find_var(lp->ll_name, &ht);
+ v = find_var(lp->ll_name, NULL);
if (v == NULL && !quiet)
EMSG2(_(e_undefvar), lp->ll_name);
*p = cc;
It could be possible, that this patch makes vim always source an autoload
script, even if it did before. I am not 100 percent sure on that.
regards,
Christian
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