[PATCH v8 0/1] MR10333: vbscript: Fix ElseIf and Else handling for inline and multi-line forms.

[Francis De Brabandere (＠francisdb)]

Split ElseIf into multi-line (requires statement separator after Then)
and inline (allows trailing End If) forms, and split Else into separator
and inline forms so that "Else End If" without a body is naturally
rejected by the grammar instead of requiring a semantic check.

This is achieved by introducing StatementsBody, InlineStatements and
InlineStatements_opt non-terminals whose FIRST sets do not overlap
with StSep, replacing the previous StSep_opt usage that caused
reduce/reduce conflicts.

No new parser conflicts are introduced.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55196

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  v8: vbscript: Fix ElseIf and Else handling for inline and multi-line forms.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/10333