Re: Error message in Vim 9 script

Salman Halim wrote:

> I'm getting this error in my Vim 9 script in Windows GVim 8.2.2912:
>
> Error detected while compiling
> C:/vim/Vimfiles/plugin/Test.vim[17]..function TestBrokenCall:
> line 8:
> E1013: Argument 3: type mismatch, expected string but got bool
>
> Here is a simple duplication script:
>
> vim9script
>
> export def g:BrokenCall( lineNumber: number, insertMode: bool,
> templateToUse: string = 'defaultValue' ): void
> echo lineNumber
> echo insertMode
> echo templateToUse
> enddef
>
> export def g:TestBrokenCall( line1: number, line2: number, templateName:
> string ): void
> # This works
> # call BrokenCall( line1, 0 )
>
> # This results in
> # Error detected while compiling
> C:/vim/Vimfiles/plugin/Test.vim[17]..function TestBrokenCall:
> # line 8:
> # E1013: Argument 3: type mismatch, expected string but got bool
> call BrokenCall( line1, 0, templateName )
> enddef
>
> call TestBrokenCall(3, 5, 'ab')
>
> Calling BrokenCall with just two arguments works, but passing in the third
> argument doesn't. The third argument can be a hard-coded string or the
> variable. Similarly, having BrokenCall contain a default value for the
> third parameter doesn't seem to matter, either.

I can reproduce it. The "export" and "g:" are not needed.
The problem is that converting the number zero to a bool is done at the
wrong stack offset. I'll make a patch.

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