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r118304 - in /trunk/gcc/ada: sem_ch6.adb sem_ch...

Author: charlet
Date: Tue Oct 31 18:07:52 2006
New Revision: 118304

2006-10-31  Ed Schonberg  <>
	    Hristian Kirtchev  <>
	    Bob Duff  <>
	*, sem_ch6.adb (Analyze_Subprogram_Declaration): A null
	procedure cannot be a protected operation (it is a basic_declaration,
	not a subprogram_declaration).
	(Check_Overriding_Indicator): Rename formal Does_Override to Overridden_
	Subp. Add logic for entry processing.
	(Check_Synchronized_Overriding): New procedure in New_Overloaded_Entity.
	Determine whether an entry or subprogram of a protected or task type
	override an inherited primitive of an implemented interface.
	(New_Overloaded_Entity): Add calls to Check_Synchronized_Overriding.
	Update the actual used in calls to Check_Overriding_Indicator.
	(Analyze_Generic_Subprogram_Body): If the subprogram is a child unit,
	generate the proper reference to the parent unit, for cross-reference.
	(Analyze_Subprogram_Declaration): Protect Is_Controlling_Formal with
	Add -gnatd.l --Use Ada 95 semantics for limited function returns,
	(Add_Extra_Formal): Revise procedure to allow passing in associated
	entity, scope, and name suffix, and handle setting of the new
	Extra_Formals field.
	(Create_Extra_Formals): Change existing calls to Add_Extra_Formal to
	pass new parameters. Add support for adding the new extra access formal
	for functions whose calls are treated as build-in-place.
	(Analyze_A_Return_Statement): Correct casing in error message.
	Move Pop_Scope to after Analyze_Function_Return, because an extended
	return statement really is a full-fledged scope. Otherwise, visibility
	doesn't work right. Correct use of "\" for continuation messages.
	(Analyze_Function_Return): Call Analyze on the Obj_Decl, rather than
	evilly trying to call Analyze_Object_Declaration directly. Otherwise,
	the node doesn't get properly marked as analyzed.
	(Analyze_Subprogram_Body): If subprogram is a function that returns
	an anonymous access type that denotes a task, build a Master Entity
	for it.
	(Analyze_Return_Type): Add call to Null_Exclusion_Static_Checks. Verify
	proper usage of null exclusion in a result definition.
	(Process_Formals): Code cleanup and new error message.
	(Process_Formals): Detect incorrect application of null exclusion to
	non-access types.
	(Conforming_Types): Handle conformance between [sub]types and itypes
	 generated for entities that have null exclusions applied to them.
	(Maybe_Primitive_Operation): Add an additional type retrieval when the
	 base type is an access subtype. This case arrises with null exclusions.
	(New_Overloaded_Entity): Do not remove the overriden entity from the
	homonym chain if it corresponds with an abstract interface primitive.
	(Process_Formals): Replace membership test agains Incomplete_Kind with a
	call to the synthesized predicate Is_Incomplete_Type.
	(Analyze_Subprogram_Body): Check wrong placement of abstract interface
	(Analyze_Subprogram_Declaration): Check that abstract interface
	primitives are abstract or null.
	(Analyze_Subprogram_Specification): Remove previous check for abstract
	interfaces because it was not complete.
	(Has_Interface_Formals): Removed.


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