added Type specification (part 1)

git-svn-id: http://haxe.googlecode.com/svn/trunk@5809 f16182fa-f095-11de-8f43-4547254af6c6
allow macro in patterns (by ignoring pos)

git-svn-id: http://haxe.googlecode.com/svn/trunk@5810 f16182fa-f095-11de-8f43-4547254af6c6