Hi gang,
Here's a question for you. (Apologies if this is explained somewhere; I
haven't found it yet.) Suppose I have a language where I have procedures and
functions (Oh! Pascal!), such as this:
procedure a() { ... }
function x() { ... }
procedure b() { ... }
function y() { ... }
procedure c() { ... }
function z() { ... }
Now suppose, when I'm emitting the final representation, I want to group the
procs and funcs together--I'm thinking I should somehow rewrite the tree to get
it looking like this simplified version:
^( CODE ^( PROCS a b c ) ^( FUNCS x y z ) )
Is there a clever way, in tree-rewriting syntax, to attach a subtree as a child
of a completely unrelated node?
Thanks,
Stephen
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