[antlr-interest] Re: Anyone tried this ANTLR-inspired CC?

[Terence Parr]

On Sunday, November 9, 2003, at 05:37 PM, leung13512c wrote:

> The thing that caused me to switch away from ANTLR syntax
> is because I prefer the tree building syntax of JJTree that always
> create imaginary nodes instead of a mix of both.  And it mostly
> avoid having to create nodes within actions.

Howdy.  This is the old AST versus parse tree argument...Parse trees 
are easy to generate (i.e., no cost to developer) but have way too much 
noise for tree transformation and also are sensitive to grammar 
construction whereas ASTs are the canonical repr for a particular 
language.

Ter
--
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