2013-04-12  Hristian Kirtchev  <kirtchev@adacore.com>

	* aspects.adb (Find_Aspect): New routine.
	(Find_Value_Of_Aspect): New routine.
	(Has_Aspect): Reimplemented.
	* aspects.ads (Find_Aspect): New routine.
	(Find_Value_Of_Aspect): New routine, previously known as Find_Aspect.
	* exp_ch5.adb (Expand_Iterator_Loop): Update the call to Find_Aspect.
	* exp_util.adb (Is_Iterated_Container): Update the call to Find_Aspect.
	* sem_ch4.adb (Try_Container_Indexing): Update calls to Find_Aspect.
	* sem_ch5.adb (Analyze_Iterator_Specification): Update
	the call to Find_Aspect. Use function Has_Aspect for better
	readability.
	(Preanalyze_Range): Use function Has_Aspect for better readability.
	* sem_ch13.adb (Check_One_Function): Update the call to Find_Aspect.
	* sem_prag.adb (Analyze_Pragma): There is no longer need to
	look at the parent to extract the corresponding pragma for
	aspect Global.

From-SVN: r197911