2011-12-20 Hristian Kirtchev <kirtchev@adacore.com>

2011-12-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch4.adb (Operator_Check): Update the call to
	Is_Dimensioned_Type.
	* sem_dim.adb: Remove with and use clause for Namet.Sp. Reorganize
	all type declarations and datastructures involved. Propagate
	all changes involving data structures and types throughout
	the pakage. Alphabetize all subprograms. Add ??? comments.
	(AD_Hash): Removed.
	(Analyze_Aspect_Dimension): Rewritten. This
	routine now does all its checks in one pass rather than
	two. Refactor code. The error message are now in a more GNAT-ish style.
	(Create_Rational_From_Expr): This is now a function.
	(Get_Dimensions): Removed.
	(Get_Dimensions_String_Id): Removed.
	(Dimensions_Of): New rouitne.
	(Exists): New routines.
	(Is_Invalid): New routine.
	(Permits_Dimensions): Removed.
	(Present): Removed.
	(Set_Symbol): New routine.
	(System_Of): New routine.
	* sem_dim.ads: Rewrite the top level description of the
	package. Alphabetize subprograms. Add various comments on
	subprogram usage. Add ??? comments.
	(Is_Dimensioned_Type):
	Renamed to Has_Dimension_System.
	* sem_res.adb (Resolve_Op_Expon): Update the call to Is_Dimensioned_Type

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@182537 138bc75d-0d04-0410-961f-82ee72b054a4