Hmm, it's better to run eval0 without evaluate.
diff -r 94694351f592 src/eval.c
--- a/src/eval.c Fri Oct 15 20:20:05 2010 +0200
+++ b/src/eval.c Thu Oct 21 10:31:56 2010 +0900
@@ -3337,6 +3337,14 @@
int failed = FALSE;
funcdict_T fudi;
+ if (eap->skip) {
+ typval_T *tv = (typval_T *)alloc(sizeof(typval_T));
+ if (tv != NULL)
+ eval0(eap->arg, tv, &eap->nextcmd, FALSE);
+ vim_free(tv);
+ return;
+ }
+
tofree = trans_function_name(&arg, eap->skip, TFN_INT, &fudi);
if (fudi.fd_newkey != NULL)
{
On Oct 20, 10:18 pm, Bram Moolenaar <[email protected]> wrote:
> Yasuhiro Matsumoto wrote:
> > My friends found weird behavior of vimscript.
> > Try following code.
> > ---------------------------------------------------------
> > let dict = {}
> > function! dict.func()
> > echo "fooooo"
> > return self
> > endfunction
>
> > echo "=========== test1"
> > if 1 | echo dict.func().func() | endif
> > echo "=========== test2"
> > if 1 | let a = dict.func().func() | endif
> > echo "=========== test3"
> > if 1 | call dict.func().func() | endif
> > echo "=========== test4"
> > if 0 | call dict.func().func() | endif
> > ---------------------------------------------------------
>
> > You'll get following errors.
> > ---------------------------------------------------------
> > =========== test1
> > fooooo
> > fooooo
> > {'func': function('18')}
> > =========== test2
> > fooooo
> > fooooo
> > =========== test3
> > fooooo
> > fooooo
> > =========== test4
> > Error detected while processing C:\temp\test.vim:
> > line 14:
> > E488: Trailing characters
> > line 15:
> > E171: Missing :endif
> > Press ENTER or type command to continue
> > ---------------------------------------------------------
>
> > Vimscript is treating letter '.' as two meanings.
> > One of them is 'concat string'. Another is 'reference dictionary
> > item'.
> > Vim don't know that '.' is either one without evaluating script.
>
> > Thus, CURRENTLY, vim is evaluating subscript gracefully and doing no-
> > performs.
> > For example, When the code that blocked like 'if 0 | call dict.foo() |
> > endif',
> > 'foo()' return 1 instead of 'self'.
> > i.e. Second time of calling func() is treating 'concat string'.
> > If it is broked in 'if 1', then the result should be 'self' of course.
>
> > And, this problem happen only by 'call' command.
> > This dont happend by 'echo', 'let'.
>
> > I think that 'if 0 / endif block' can be possible to skip until eol or
> > '|'.
> > Below is a patch to skip until that. And success to run above test
> > code.
> > Please check this way.
> > If you accept this way, vim may have another commands turn of this
> > case.
>
> > Thanks.
> > - Yasuhiro Matsumoto
>
> > diff -r 94694351f592 src/eval.c
> > --- a/src/eval.c Fri Oct 15 20:20:05 2010 +0200
> > +++ b/src/eval.c Wed Oct 20 21:12:58 2010 +0900
> > @@ -3337,6 +3337,11 @@
> > int failed = FALSE;
> > funcdict_T fudi;
>
> > + if (eap->skip) {
> > + eap->nextcmd = find_nextcmd(eap->arg);
> > + return;
> > + }
> > +
> > tofree = trans_function_name(&arg, eap->skip, TFN_INT, &fudi);
> > if (fudi.fd_newkey != NULL)
> > {
>
> Quickly skipping over the :call argument appears to work. However,
> find_nextcmd() does not understand expressions, it may fail. E.g. for
> this:
>
> let dict = {}
> function! dict.func(a)
> echo "fooooo"
> return self
> endfunction
>
> if 0 | call dict.func('|').func('|') | endif
>
> --
> Luxury. We used to have to get out of the lake at three o'clock in the
> morning, clean the lake, eat a handful of hot gravel, go to work at the
> mill every day for tuppence a month, come home, and Dad would beat us
> around the head and neck with a broken bottle, if we were LUCKY!
>
> /// Bram Moolenaar -- [email protected] --http://www.Moolenaar.net \\\
> /// sponsor Vim, vote for features --http://www.Vim.org/sponsor/\\\
> \\\ download, build and distribute --http://www.A-A-P.org ///
> \\\ help me help AIDS victims --http://ICCF-Holland.org ///
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