Taro Muraoka wrote:
> Hi vim-dev list and Bram.
>
>
> I found a problem and a future concern on if_lua. And I wrote an
> attached patch to fix those. Please check it.
>
>
> Procedure to reproduce the problem is like this:
>
> > let x = { 'v': 123 }
> > echo x
> > => {'v': 123 }
> >
> > lua x1 = vim.eval('x')
> > lua print(x1.v)
> > => 123
> >
> > lua x1.v = 999
> >
> > echo x
> > => {'v': 123}
> >
> > lua x2 = vim.eval('x')
> > lua print(x2.v)
> > => 999
>
> Last printed '999' is not expected, it must be '123'.
>
>
> A future concern is LUA_ENVIRONINDEX. LUA_ENVIRONINDEX is removed from
> Lua 5.2 entirely. To support Lua 5.2 we must stop to use
> LUA_ENVIRONINDEX.
>
>
> Fortunately, a cause of the problem is confused references in
> LUA_ENVIRONINDEX. So in my patch, I subsititute LUA_REGISTRYINDEX for
> LUA_ENVIRONINDEX, and separate some tables depend on its usage in
> LUA_REGISTRYINDEX.
I have no clue if this is the right solution. I'll wait a few days and
if there are no comments I'll include the patch.
Would be good to have a few tests for the Lua interface.
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/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
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