ZyX -
> Try the following code:
>
> let d={'0d': 1}
> if 0 && (d.0d)
> endif
>
> . This code is completely correct if you replace `if 0` with `if 1`, but with
> `if 0` it throws
>
>
> Error detected while processing /home/zyx/tmp/vim/subscript-bug.vim:
> line 2:
> E110: Missing ')'
> E15: Invalid expression: 0 && (d.0d)
>
> . Reason is the following: when `evaluate` argument is set to FALSE in
> eval7() handle_subscript does not take .0d as dictionary key (because it
> checks for variable type which is VAR_UNKNOWN if evaluate is FALSE). Thus
> `.0d` is handled in eval5() like string concatenation and when it tries to
> evaluate second argument “0d” in eval7() it is handled like number in that
> big switch(**arg) statement. As a number it can consume only leading zero,
> which means when eval7() *that is handling top “(d.0d)” expression* sees that
> in place of getting **arg equal to ')' it gets **arg equal to 'd' and errors
> out.
Right. Overloading "." for string concatenation has its disadvantages.
For Zimbu I decided to use ".." instead.
I'll add the bug to the todo list, hopefully someone can fix it.
- Bram
--
"Never be afraid to tell the world who you are."
-- Anonymous
/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\ an exciting new programming language -- http://www.Zimbu.org ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
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