[antlr-interest] Custom AST Node
Scott Amort
jsamort at gmail.com
Fri Aug 4 10:04:33 PDT 2006
Hi Henry,
Henry Butowsky wrote:
> What about if I wrote my own versions of
> getFirstChild(),getNextChild(),getNextSibling(),
> but changed the names slightly e.g in my derived class thus
> avoiding the
> "virtual contract" with the base class ?
>
> gFirstChild(), gNextChild() gNextSibling()
Yes, that would work, but it is a bit messy. You would need something like:
RefncoAST
ncoAST::getNcoFirstChild() const
{
return static_cast<RefncoAST>(antlr::BaseAST::getFirstChild());
}
You can't really avoid the cast, but you can limit the number of times
you have to write it!
Best,
Scott
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