8012518: Reengineer Parser.java to make it play well with the copy-on-write IR. Summary: Remove the kludges introduced to make the parser work with the copy on write IR. Now everything is done bottom up, finshing node children completely before node parents. The repeated non-functional pattern 'node = node.setSomething(something);' is gone. Resulting code is much more readable, and extensible for future work. The parser is now also consistent with the rest of the stateless copy-on-write world in code generation. Reviewed-by: lagergren, attila, hannesw, shade Contributed-by: andreas.gabrielsson@oracle.com

README:
  This file should be located at the top of the corba Mercurial repository.

  See http://openjdk.java.net/ for more information about the OpenJDK.

  See ../README-builds.html for complete details on build machine requirements.

Simple Build Instructions:

    cd make && gnumake
     
  The files that will be imported into the jdk build will be in the "dist"
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