[apparmor] [RFC/patch] parser: reduce virtual_cast<> calls when normalizing tree

[Steve Beattie]

On Tue, Apr 05, 2011 at 05:36:48PM -0700, Steve Beattie wrote:
> This is a prototype patch tries to reduce the number of
> dynamic_cast<>s needed during normalization by pushing the operations
> of normalize_tree() into the expr-tree classes themselves rather
> than perform it as an external function. This eliminates the need
> for dynamic_cast<> checks on the current object under inspection and
> reduces the number of checks needing to be performed on child Nodes
> as well.
<
> Index: b/parser/libapparmor_re/expr-tree.cc
> ===================================================================
> --- a/parser/libapparmor_re/expr-tree.cc
> +++ b/parser/libapparmor_re/expr-tree.cc

> +extern iostream cerr;

Whoops, that leaked in from attempting to add debugging points. Removed
locally.

-- 
Steve Beattie
<sbeattie at ubuntu.com>
http://NxNW.org/~steve/
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