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patch 9.0.2182: Vim9: need a way to reserve future extension

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Problem:  Vim9: need a way to reserve future extension
Solution: reserve double underscore prefix for future use
          (Yegappan Lakshmanan)

related: #13238
closes: #13742

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Yegappan Lakshmanan
2023-12-21 16:46:18 +01:00
committed by Christian Brabandt
parent cc944b1452
commit ff6f0d5c38
5 changed files with 53 additions and 12 deletions
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9
src/vim9class.c
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@@ -1774,6 +1774,15 @@ early_ret:
break;
}
if (*p == '_' && *(p + 1) == '_')
{
// double underscore prefix for a method name is currently
// reserved. This could be used in the future to support
// object methods called by Vim builtin functions.
semsg(_(e_cannot_use_reserved_name_str), p);
break;
}
CLEAR_FIELD(ea);
ea.cmd = line;
ea.arg = p;