[vim/vim] Vim9: cannot call global function with `call()` in `:def` function without quotes (Issue #9826)

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lacygoill

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Feb 22, 2022, 1:25:24 PM2/22/22

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Steps to reproduce

Run this shell command:

vim -Nu NONE -S <(tee <<'EOF'
    vim9script
    def Outer()
        def g:Inner()
            echomsg 'from g:Inner()'
        enddef
        call(g:Inner, [])
    enddef
    Outer()
EOF
)

E121 is given:

E121: Undefined variable: g:Inner

Expected behavior

No error is given. from g:Inner() is echo'ed.

Version of Vim

8.2 Included patches: 1-4442

Environment

Operating system: Ubuntu 20.04.4 LTS
Terminal: xterm
Value of $TERM: xterm-256color
Shell: zsh 5.8

Additional context

We don't need quotes if Inner() is turned into a function-local function:

vim9script
def Outer()
    def Inner()
        echomsg 'from Inner()'
    enddef
    call(Inner, [])
enddef
Outer()

from Inner()

And we don't need quotes if g:Inner() is called at the script level:

vim9script
def g:Inner()
    echomsg 'from g:Inner()'
enddef
call(g:Inner, [])

from g:Inner()

This is inconsistent. If we don't need quotes in these snippets, why should we need them in the first one?

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Bram Moolenaar

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Feb 22, 2022, 2:40:01 PM2/22/22

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Closed #9826 via fe73255.

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