compilers/pirc/new/pir.l: * add support for .constant definitions and expansions * start support for macros, but not working yet.
compilers/pirc/new/pir.l:
* add support for .constant definitions and expansions
* start support for macros, but not working yet.

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@22203 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot