[antlr-interest] Tree Walker in 2.7.7 -- Breadth first vs. depth first

[Johnson, Janeen]

I am walking a tree in 2.7.7, but the default seems to be breadth first
and, of course, I need depth first.  Is there a simple way to handle
this?  An option or use of a different AST?

TIA,
Janeen
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