path: root/gcc/ada/ChangeLog

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* checks.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* exp_ch4.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* opt.adb (SPARK_Mode_Config): Handled like other config flags
	* opt.ads (SPARK_Mode_Type): Moved here from types (renamed from
	SPARK_Mode_Id) (SPARK_Mode_Type): Add pragma Ordered, remove
	SPARK_ from names (SPARK_Mode): New flag (SPARK_Mode_Config):
	New flag (Config_Switches_Type): Add SPARK_Mode field
	* sem.adb: Minor code reorganization (remove unnecessary with)
	* sem.ads (Scope_Stack_Entry): Add Save_SPARK_Mode field
	* sem_aggr.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* sem_attr.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* sem_ch3.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* sem_ch4.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* sem_ch6.adb (Analyze_Subprogram_Body_Helper): Reset SPARK_Mode
	from spec if needed
	* sem_ch7.adb (Analyze_Package_Body_Helper): Reset SPARK_Mode
	from spec if needed
	* sem_ch8.adb (Push_Scope): Save SPARK_Mode (Pop_Scope):
	Restore SPARK_Mode
	* sem_elab.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* sem_prag.adb (Get_SPARK_Mode_From_Pragma): New function
	(Get_SPARK_Mode_Id): Removed (Get_SPARK_Mode_Type): New name
	of Get_SPARK_Mode_Id
	* sem_prag.ads (Get_SPARK_Mode_From_Pragma): New function
	* sem_res.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* sem_util.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* types.ads (SPARK_Mode_Id): Moved to opt.ads and renamed
	SPARK_Mode_Type

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch13.adb: Add semantic information to rewritten type
	reference.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch5.adb (Expand_N_Assignment_Statement): If both sides
	are of a type with unknown discriminants, convert both to the
	underlying view of the type, so that the proper constraint check
	can be applied to the right-hand side.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* atree.adb (Copy_Node): Fix failure to copy last component
	(Exchange_Entities): Fix failure to exchange last entity

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch12.adb: Code clean up.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi, sem_ch4.adb: Minor reformatting.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch4.adb (Analyze_Quantified_Expression): If after
	pre-analysis  the loop parameter specification has been
	rewritten as a iterator specification, propagate the change to
	the quantified expression, for ASIS navigtion needs.

2014-01-20  Vincent Celier  <celier@adacore.com>

	* par-ch10.adb: Minor error message change: escape [ and ].

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* checks.adb: Make warnings on exceptions into errors in GNATprove mode.
	* errout.adb: Implement [ and ] insertion characters.
	* errout.ads: Document new [ and ] insertion characters.
	* sem_ch12.adb, restrict.adb, frontend.adb, exp_ch7.adb: Minor
	addition of ??? comment.
	* lib-xref.adb, exp_util.adb, gnat1drv.adb: Minor reformatting
	* exp_ch4.adb, sem_ch3.adb, sem_ch4.adb, sem_ch6.adb, sem_elab.adb,
	sem_eval.adb, sem_res.adb, sem_util.adb, sem_attr.adb, sem_aggr.adb:
	Make warnings on exceptions into errors in GNATprove mode.
	* sem_dim.adb: Minor reformatting throughout Quote [ and ]
	in error messages.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch13.adb: Code clean up.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* errout.ads, errout.adb: Implement >? >x? >X? sequences in error
	messages.
	* sem_ch6.adb (Check_Statement_Sequence): Missing return is an
	error in GNATprove mode.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* par-ch4.adb (Is_Parameterless_Attribute): The Ada2012 attribute
	reference 'Old takes no parameters, and thus can appear as a
	prefix of a slice.

2014-01-20  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_aggr.adb: Fix minor typos.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_attr.adb (Analyze_Attribute, case 'Constrained): In an
	instance the attribute is legal, and its value is determined
	statically if the type has no discriminants. This choice is
	more useful than rechecking the legality rule in the instance,
	is consistent with older usage, and is also consistent with all
	existing tests.

2014-01-20  Arnaud Charlet  <charlet@adacore.com>

	* sem_cat.adb (Validate_Static_Object_Name): Change error into
	warning in Relaxed_Semantic_Mode.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_attr.adb: Code and comments cleanup.

2014-01-20  Yannick Moy  <moy@adacore.com>

	* debug.adb Free debug flags -gnatd.D, -gnatd.G and -gnatd.V *
	* errout.adb (Compilation_Errors): Remove special handling in
	GNATprove mode.
	* gnat1drv.adb (Adjust_Global_Switches): Remove handling of the
	removed debug flags.
	* gnat_rm.texi: Initial documentation for Abstract_State, Depends,
	Global, Initial_Condition, Initializes and Refined_State pragmas and
	aspects.
	* opt.ads (Frame_Condition_Mode, Formal_Extensions,
	SPARK_Strict_Mode): Remove global flags.
	* sem_ch3.adb (Analyze_Object_Declaration): Check of no hidden state
	always performed now, on packages declaring a null state.
	(Signed_Integer_Type_Declaration): Remove ill-designed attempt
	at providing pedantic mode for bounds of integer types.
	* sem_ch4.adb (Analyze_Quantified_Expression): Warning on suspicious
	"some" quantified expression now issued under control of -gnatw.t,
	like the other warning on unused bound variable.
	* sem_prag.adb (Check_Precondition_Postcondition): Remove useless test
	on removed flag.
	(Analyze_Pragma): Remove tests for SPARK 2014
	pragmas, not officially allowed by GNAT.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_prag.adb (Analyze_Pragma): Ensure that
	the sole argument of pragmas Abstract_State, Contract_Cases,
	Depends, Global and Initializes in in aggregate form.
	(Analyze_Refined_Pragma): Ensure that the sole argument of
	pragmas Refined_Depends, Refined_Global and Refined_State is in
	aggregate form.
	(Ensure_Aggregate_Form): New routine.

2014-01-20  Doug Rupp  <rupp@adacore.com>

	* sem_attr.adb (Analyze_Attribute): case
	Attribute_Constrained => treat all prefixes as legal for Declib
	compatibility.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_prag.adb (Check_Mode): Reimplement the routine.
	(Find_Mode): New routine.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* sem_ch4.adb (Operator_Check): Handle additional
	Allow_Integer_Address cases.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi (Allow_Integer_Address): Remove note about not
	allowed if address is non-private, no longer true.
	* sem_prag.adb (Analyze_Pragma, case Allow_Integer_Address):
	Remove check for address being private, causes difficulty when
	pragma used in gnat.adc file and is not needed, since we guard
	this in Address_Integer_Convert_OK.
	* exp_ch7.adb: Minor reformatting.
	* sem_ch4.adb: Handle operator operands in Allow_Integer_Address mode.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* checks.adb (Apply_Range_Check): Remove gnatprove special
	casing of exponentiation.
	* sem_res.adb (Resolve_Op_Expon): Apply range check to right
	operand for integer case to check range against Natural.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* s-tataat.adb: Minor reformatting.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* einfo.adb (Is_Descendent_Of_Address): Now applies to all
	entities, and also fix documentation to remove mention of visible
	integer type, since this is not what the implementation does.
	* einfo.ads (Is_Descendent_Of_Address): Now applies to all
	entities, and also fix documentation to remove mention of visible
	integer type, since this is not what the implementation does.
	* gnat_rm.texi: Minor clarification of Allow_Integer_Address
	function.
	* sem_ch4.adb (Analyze_One_Call): Handle Allow_Integer_Address
	case for parameter type check.
	* sem_res.adb (Resolve): Use new function
	Address_Integer_Convert_OK.
	* sem_type.adb: Minor code reorganization (use Ekind_In) Minor
	reformatting throughout.
	* sem_util.adb (Address_Integer_Convert_OK): New function.
	* sem_util.ads: Minor reformatting (put specs in alpha order)
	(Address_Integer_Convert_OK): New function.

2014-01-20  Thomas Quinot  <quinot@adacore.com>

	* exp_ch7.adb (Wrap_Transient_Expression):
	Insertion extra conditional expression only if
	Opt.Suppress_Control_Flow_Optimizations is set.

2014-01-20  Arnaud Charlet  <charlet@adacore.com>

	* s-tataat.adb (Initialize_Attributes): Abort might already be
	deferred in Create_Task.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* checks.adb (Apply_Scalar_Range_Check): Flag
	the exponent as requiring a range check when the expression is
	an exponentiation.

2014-01-20  Fedor Rybin  <frybin@adacore.com>

	* gnat_ugn.texi: Documenting --passed-tests option for gnattest.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_util.adb (Default_Initialization): New routine.
	* sem_util.ads: Add new type Default_Initialization_Kind.
	(Default_Initialization): New routine.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_prag.adb (Check_Mode): Correct all error
	message logic dealing with in/in out parameters that may appear
	as inputs or have a self reference.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* exp_ch9.adb, checks.adb, exp_intr.adb: Minor reformatting.
	* sem_res.adb (Resolve): Fix error causing infinite loop for
	integer used as address. Allow addresses as integers.

2014-01-20  Arnaud Charlet  <charlet@adacore.com>

	* s-osinte-linux.ads (struct_sigaction): Fix rep clause.

2014-01-20  Bob Duff  <duff@adacore.com>

	* par-ch8.adb (P_Use_Type_Clause): Detect syntax
	error when "use all" is not followed by "type".

2014-01-20  Bob Duff  <duff@adacore.com>

	* exp_intr.adb (Expand_Unc_Deallocation): Remove warning on abort
	followed by free.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* checks.adb (Apply_Address_Clause_Check): If there is an
	alignment check on the expression in an address clause, and there
	is no local exception propagation, add an additional explanatory
	message to clarify the cause of previous warning.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* exp_ch7.adb: Minor reformatting.
	* opt.ads: Minor comment updates.
	* sem.adb: Minor name change Is_Main_Unit =>
	Is_Main_Unit_Or_Main_Unit_Spec.
	* sem_ch6.adb: Minor reformatting and code reorganization.

2014-01-20  Bob Duff  <duff@adacore.com>

	* gnat_ugn.texi: Update gnatpp switches.

2014-01-20  Thomas Quinot  <quinot@adacore.com>

	* exp_ch9.adb: Minor comment edit.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Document that Allow_Integer_Address is permitted
	only if System.Address is a private type.
	* opt.ads (Allow_Integer_Address): No longer set by -gnates.
	* sem_prag.adb (Analyze_Pragma, case Allow_Integer_Address):
	Allowed only if type System.Address is private, since otherwise
	it makes no sense.
	* sem_res.adb: Fix failure to properly Analyze unchecked
	conversions that were introduced by Allow_Integer_Address.
	* switch-c.adb: Remove -gnates switch.
	* usage.adb: Remove -gnates switch.
	* gnat_ugn.texi: Remove documentation of -gnates flag.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (Analyze_Expression_Function): Pre-analyze and
	resolve expression to perform proper name capture.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem.adb (Semantics): When saving/restoring configuration
	switches, the spec of a pre- defined unit that is the main unit
	must be treated as a predefined unit as well.

2014-01-20  Thomas Quinot  <quinot@adacore.com>

	* exp_ch7.adb (Wrap_Transient_Expression): For a Boolean
	expression, insert an extra conditional expression when saving
	the value of the expression, for the benefit of control flow
	graph based coverage analysis.
	* exp_ch3.adb: Minor reformatting.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* gnat1drv.adb: Set Allow_Integer_Address in relaxed semantics mode.
	* gnat_rm.texi: Document pragma Allow_Integer_Address.
	* gnat_ugn.texi: Document pragma Allow_Integer_Address, -gnates.
	* opt.ads: New flag Allow_Integer_Address.
	* par-prag.adb: Dummy entry for pragma Allow_Integer_Address.
	* sem_ch5.adb: Minor reformatting.
	* sem_prag.adb: Implement pragma Allow_Integer_Address.
	* sem_res.adb (Resolve): Allow integer address value if
	switch set.
	* sem_util.adb: Minor reformatting.
	* snames.ads-tmpl: Add entry for pragma Allow_Integer_Address.
	* switch-c.adb: Recognize flag -gnates.
	* usage.adb: Document flag -gnates.

2014-01-20  Thomas Quinot  <quinot@adacore.com>

	* s-tadeca.adb: Fix minor typos in comment.

2014-01-20  Pascal Obry  <obry@adacore.com>

	* s-win32.ads (FreeLibrary): New import.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* sem_res.adb, sem_cat.adb: Minor reformatting.
	* sem_ch11.adb (Analyze_Raise_Statement): Only give warning about
	assigning to OUT parameters for the current subprogram scope.
	* exp_ch4.adb: Minor reformatting.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch4.adb (Process_Transient_Object,
	Find_Enclosing_Contexts): If the top-level if-expression that
	generated the transient object is an actual in a call, the proper
	Hook_Context is a construct enclosing the call.
	* einfo.ads: Indicate that Related_Expression is used to link a
	loop variable to the container expression over which the loop
	takes place.
	(Analyze_Iterator_Specification): Set the Related_Expression of
	the loop variable in a container element iterator.
	(Note_Possible_Modification): If the variable is the loop
	variable in a container element iterator, indicate that the
	enclosing container is also modified.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* aspects.adb (Move_Or_Merge_Aspects): Reimplemented.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* s-taasde.ads, gnat_ugn.texi, s-tadeca.adb, sem_res.adb, s-tadeca.ads:
	Minor reformatting and code clean up.

2014-01-20  Arnaud Charlet  <charlet@adacore.com>

	* sem_cat.adb (Validate_Object_Declaration): Relax semantics
	of objects of private type if Relaxed_RM_Semantics.

2014-01-20  Claire Dross  <dross@adacore.com>

	* a-cofove.ads (Vector): Capacity discriminant
	should be in range of the index.

2014-01-20  Thomas Quinot  <quinot@adacore.com>

	* a-caldel.ads(To_Duration), s-taasde.ads(Time_Enqueue):
	Clarify specs s-tadeca.adb(Enqueue_Calendar): Compensate for
	possible difference between epoch of Ada.Calendar clock and Ada
	real-time/tasking clock.
	* s-taprop-posix.adb: Minor comment fix.

2014-01-20  Doug Rupp  <rupp@adacore.com>

	* sysdep.c [vxworks]: Remove Vxworks version noise for RTP.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_attr.adb (Expand_N_Attribute_Reference): Generate validity
	checks on the prefix of attribute 'Old.
	* sem_ch3.adb (Process_Range_Expr_In_Decl): Suppress the
	generation of validity checks on a range that belongs to the
	iteration scheme of a quantified expression.
	* sem_ch5.adb (One_Bound): Suppress the generation of validity
	checks on a bound that belongs to the iteration scheme of a
	quantified expression, generate the check in all other cases.

2014-01-20  Bob Duff  <duff@adacore.com>

	* gnat_ugn.texi: Enable --pp-new by default. Minor reorganization.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_res.adb (Resolve): When compiling a predefined unit, ignore
	interpretations that do not come from other predefined units,
	to prevent spurious ambiguities in the presence of user-defined
	operators in the context of (an instance of) a predefined unit.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Document that Loop_Variant is included in
	Statement_Assertions.
	* sem_prag.adb (Check_Kind): Add Loop_Variant to
	Statement_Assertions (Check_Applicable_Policy): Add Loop_Variant
	to Statement_Assertions.

2014-01-20  Doug Rupp  <rupp@adacore.com>

	* sysdep.c (__gnat_is_file_not_found_error) [vxworks6]: Add case
	for errno ENOENT from RTP on NFS mounted file system.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_util.adb (Check_Function_Writable_Actuals): 1) Do not
	examine code that does not come from source. The check does not
	apply to code generated for constraint checks, and such code may
	generate spurious error messages when compiled with expansion
	disabled (as in a generic unit) because side effects may not
	have been removed.
	2) Make error messages more explicit: indicate the component
	of the	construct whose value is indeterminate because of a
	call to a function with in-out parameter in another component,
	when there is no mandated order of execution between the two
	components (actuals, aggregate components, alternatives).

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Minor cleanup.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_attr.adb (Analyze_Attribute): Attributes 'Old and 'Result
	can now apply to a refined postcondition.
	* sem_ch6.adb (Analyze_Subprogram_Contract): Remove local
	variable Result_Seen. Add variables Case_Prag, Post_Prag,
	Seen_In_Case and Seen_In_Post. Update the mechanism that detects
	whether postconditions and/or constract-cases mention attribute
	'Result and introduce a post-state when applied to functions.
	(Check_Result_And_Post_State): Removed.
	* sem_prag.adb (Analyze_Pragma): Add local variable
	Result_Seen. Verify that the expression of pragma Refined_Post
	mentions attribute 'Result and introduces a post-state.
	* sem_util.ads, sem_util.adb (Check_Result_And_Post_State): New routine.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch7.adb (Is_Subprogram_Call): New routine.
	(Process_Transient_Objects): Make variable Must_Hook global with
	respect to all locally declared subprograms. Search the context
	for at least one subprogram call.
	(Requires_Hooking): Removed.

2014-01-20  Claire Dross  <dross@adacore.com>

	* a-cfdlli.ads a-cfhama.ads a-cfhase.ads a-cforma.ads
	* a-cforse.ads a-cofove.ads: Add pragma Annotate (GNATprove,
	External_Axiomatization);

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* sem_attr.adb (Analyze_Attribute, case Loop_Entry): Allow
	Loop_Entry in Assert, Assert_And_Cut, and Assume pragmas.
	* sem_prag.adb (Analyze_Pragma, case Assert[_And_Cut], Assume):
	Allow Loop_Entry to be used in these pragmas if they appear in
	an appropriate context.
	(Placement_Error): Specialize error
	message for pragma Assert[_And_Cut] or pragma Assume containing
	Loop_Entry attribute.
	* a-exexpr-gcc.adb, sinput.adb: Minor reformatting.
	* s-excmac-arm.ads, s-except.ads, s-excmac-gcc.ads: Minor reformatting
	and code clean ups.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* gnat1drv.adb: Minor comment update.

2014-01-20  Tristan Gingold  <gingold@adacore.com>

	* raise-gcc.c (PERSONALITY_FUNCTION/arm): Remove unused
	variables, comment out unused code.
	* a-exexpr-gcc.adb: Move declarations to s-excmac-gcc.ads
	* s-excmac-gcc.ads: New file, extracted from a-exexpr-gcc.adb
	* s-excmac-arm.ads: New file.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch4.adb (Expand_N_Slice): Remove constant D and variables
	Drange and Index_Typ. Remove the circuitry which creates a
	range check to compare the index type of the array against the
	discrete_range.
	* sem_res.adb (Resolve_Slice): Add local variable Dexpr. Update
	the circuitry which creates a range check to handle a
	discrete_range denoted by a subtype indication.

2014-01-20  Pierre-Marie Derodat  <derodat@adacore.com>

	* sinput.adb, sinput.ads (Sloc_Range): Traverse the tree of original
	nodes to get the original sloc range.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_prag.adb (Analyze_Pragma): Use Defining_Entity to obtain the
	entity of a [library level] package.

2014-01-20  Tristan Gingold  <gingold@adacore.com>

	* raise-gcc.c (exception_class_eq): New function.
	(is_handled_by): Use it to compare exception classes.
	(PERSONALITY_STORAGE): Define.	(continue_unwind): New function to
	be called to return URC_CONTINUE_UNWIND.
	(personality_body): New function, extracted from PERSONALITY_ROUTINE.
	(PERSONALITY_ROUTINE): Add an implementation for the ARM unwinder.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* opt.ads: Minor comment update.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch4.adb (Expand_N_Slice): Relocate some variables and
	constants to the "Local variables" area. Add new constant D. Add
	new variables Drange and Index_Typ.  Rename Pfx to Rep and Ptp
	to Pref_Typ and update all occurrences. Add circuitry to extract
	the discrete_range and the index type and build a range check.

2014-01-20  Arnaud Charlet  <charlet@adacore.com>

	* gnat1drv.adb (Adjust_Global_Switches): Enable
	Treat_Categorization_Errors_As_Warnings when Relaxed_RM_Semantics
	is set.

2014-01-20  Thomas Quinot  <quinot@adacore.com>

	* sem_ch5.adb, sem_ch4.adb: Minor reformatting.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch13.adb (Analyze_Aspect_Specifications):
	When aspect SPARK_Mode appears on a package body, insert the
	generated pragma at the top of the body declarations.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* sem_aggr.adb, exp_prag.adb, sem_aux.adb, sinfo.ads, sem_ch10.adb,
	checks.adb, sem_prag.adb, sem_ch12.adb, freeze.adb, g-arrspl.adb,
	expander.adb, gnat1drv.adb, exp_ch4.adb, sem_ch6.adb,
	sem_ch8.adb, exp_dist.adb: Minor reformatting.

2014-01-20  Yannick Moy  <moy@adacore.com>

	* gnat1drv.adb (Gnat1drv): Call Write_ALI with Object=True in GNATprove
	mode.

2014-01-20  Pascal Obry  <obry@adacore.com>

	* g-arrspl.ads (Slice_Set): New definition (will use a copy on
	write scheme).
	* g-arrspl.adb: Adapt all routine to this new implementation.
	(Set): Copy the Slice_Set definition before reusing it.

2014-01-20  Arnaud Charlet  <charlet@adacore.com>

	* sem_prag.adb (Process_Import_Or_Interface): In
	Relaxed_RM_Semantics, support old Ada 83 style of pragma Import.
	(Analyze_Pragma): Ditto for pragma Export.
	* exp_prag.adb (Expand_Pragma_Import_Or_Interface): Handle old pragma
	Import style.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* einfo.ads: E_Abstract_State is now part of the entities that
	can be overloaded. Update type Overloadable_Kind to reflect the
	inclusion of abstract states.
	* sem_ch6.adb (New_Overloaded_Entity): A function can now
	overload an abstract state.
	* sem_prag.adb (Analyze_Constituent): Handle the overloading
	of states by functions. Use Entity_Of to obtain the entity of
	a constituent.	(Analyze_Global_Item): Handle the overloading of
	states by functions.
	(Analyze_Initialization_Item): Handle the
	overloading of states by functions.  Use Entity_Of to obtain the
	entity of an item.
	(Analyze_Input_Item): Handle the overloading
	of states by functions. Use Entity_Of to obtain the entity of an item.
	(Analyze_Input_Output): Handle the overloading of states by functions.
	(Analyze_Refinement_Clause): Handle the overloading
	of states by functions.  Use Entity_Of to obtain the entity of an item.
	(Appears_In): Use Entity_Of to obtain the entity of an element.
	(Check_Usage): Use Entity_Of to obtain the entity of
	an item. Add a guard to prevent a crash due to a previous error.
	(Resolve_State): New routine.

2014-01-20  Yannick Moy  <moy@adacore.com>

	* spark_xrefs.ads, debug.adb, gnat1drv.adb, errout.adb, errout.ads,
	opt.ads: Minor comments updates.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* einfo.adb (Non_Limited_View): Applies to abstract states.
	(Set_From_Limited_With): Applies to abstract states.
	(Set_Non_Limited_View): Applies to abstract states.
	(Write_Field17): Output the non-limited view of an abstract state.
	* einfo.ads: Update the comment on usage and occurrences in
	nodes for attributes From_Limited_With and Non_Limited_View.
	* sem_aux.adb (Available_View): This routine can now handle
	abstract states.
	* sem_aux.ads (Available_View): This routine can now handle
	abstract states. Update the comment on usage.
	* sem_ch8.adb (Find_Expanded_Name): Handle abstract views
	of states and variables.
	(In_Pragmas_Depends_Or_Global): New routine.
	* sem_ch10.adb (Build_Limited_Views): Implement
	abstract (limited) views of variables and states.
	(Build_Shadow_Entity): This routine is now a procedure. Add
	formal parameter Shadow. Update the comment on usage. Add
	context-specific decoration for states and variables.
	(Decorate_State): New routine.	(Decorate_Variable): New routine.
	(Find_And_Process_States): New routine.
	(Process_Declarations): Renamed to Process_Declarations_And_States.
	(Process_Declarations_And_States): Add formal parameters
	Pack and Create_Abstract_Views. Update the comment on usage.
	(Process_States): New routine.
	* sem_prag.adb (Check_Dependency_Clause): Handle abstract
	views of states and variables. Match the abstract view of a state
	against its corresponding non-abstract view.
	(Is_Matching_Input):
	Handle abstract views of states and variables. Match the abstract
	view of a state against its corresponding non-abstract view.
	(Process_Global_Item): Handle abstract views of states and
	variables.

2014-01-20  Bob Duff  <duff@adacore.com>

	* sem_ch10.adb (Expand_With_Clause): Don't
	recurse on the prefix if the current with-ed name refers to a
	package that renames its own parent, eg "package P.Q renames P;".

2014-01-20  Yannick Moy  <moy@adacore.com>

	* exp_spark.adb (Expand_SPARK_Call): Remove procedure.
	* opt.adb, opt.ads (Full_Expander_Active): Remove function.
	* checks.adb, exp_ch6.adb, exp_ch9.adb, exp_disp.adb, sem_aggr.adb,
	* sem_ch10.adb, sem_ch5.adb, sem_ch6.adb, sem_ch8.adb, sem_ch9.adb,
	* sem_disp.adb, sem_res.adb Replace Full_Expander_Active by
	Expander_Active.

2014-01-20  Yannick Moy  <moy@adacore.com>

	* sinfo.ads Update documentation of GNATprove mode.

2014-01-20  Yannick Moy  <moy@adacore.com>

	* adabkend.adb, ali-util.adb, errout.adb, exp_ch7.adb,
	* exp_dbug.adb, freeze.adb, lib-xref.adb, restrict.adb,
	* sem_attr.adb, sem_ch4.adb, sem_ch5.adb, sem_ch6.adb, sem_ch8.adb,
	* sem_prag.adb, sem_res.adb, sem_util.adb Rename SPARK_Mode into
	GNATprove_Mode.
	* sem_ch13.adb: Remove blank.
	* exp_spark.adb, exp_spark.ads (Expand_SPARK_Call): Only replace
	subprograms by alias for renamings, not for inherited primitive
	operations.
	* exp_util.adb (Expand_Subtype_From_Expr): Apply the expansion
	in GNATprove mode.
	(Remove_Side_Effects): Apply the removal in
	GNATprove mode, for the full analysis of expressions.
	* expander.adb (Expand): Call the light SPARK expansion in GNATprove
	mode.
	(Expander_Mode_Restore, Expander_Mode_Save_And_Set): Ignore
	save/restore actions for Expander_Active flag in GNATprove mode,
	similar to what is done in ASIS mode.
	* frontend.adb (Frontend): Generic bodies are instantiated in
	GNATprove mode.
	* gnat1drv.adb (Adjust_Global_Switches): Set operating
	mode to Check_Semantics in GNATprove mode, although a light
	expansion is still performed.
	(Gnat1drv): Set Back_End_Mode to
	Declarations_Only in GNATprove mode, and later on special case
	the GNATprove mode to continue analysis anyway.
	* lib-writ.adb (Write_ALI): Always generate ALI files in
	GNATprove mode.
	* opt.adb, opt.ads (Full_Expander_Active): Make it equivalent to
	Expander_Active.
	(SPARK_Mode): Renamed as GNATprove_Mode.
	* sem_aggr.adb (Aggregate_Constraint_Checks): Add checks in the
	tree in GNATprove_Mode.
	* sem_ch12.adb (Analyze_Package_Instantiation): Always instantiate
	body in GNATprove mode.
	(Need_Subprogram_Instance_Body): Always instantiate body in GNATprove
	mode.
	* sem_ch3.adb (Constrain_Index, Process_Range_Expr_In_Decl):
	Make sure side effects are removed in GNATprove mode.

2014-01-20  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Robustify tests
	for aliased objects with an unconstrained nominal subtype.
	* gcc-interface/trans.c (Call_to_gnu): Likewise.
	(gnat_to_gnu) <case N_Op_Not>: Robustify test for private type.
	<case N_Op_Minus>: Remove useless code.
	(Exception_Handler_to_gnu_zcx): Minor tweaks.

2014-01-20  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <case E_Record_Subtype>:
	Tidy up.  For a subtype with discriminants and variant part, if a
	variant is statically selected and the fields all have a constant
	position, put them in order of increasing position.  Likewise if
	no variant part but representation clause is present.
	* gcc-interface/utils.c (make_packable_type): Robustify.
	(maybe_pad_type): Use local variable and tidy up condition.  If no
	alignment is specified, use the original one.
	(create_type_stub_decl): Minor tweak.
	(convert) <case VECTOR_CST>: Fix typo.
	<case CONSTRUCTOR>: Deal with padding types around the same type.
	Do not punt on missing fields.
	(unchecked_convert): Call finish_record_type to lay out the special
	record types made for conversions from/to problematic integer types.
	Bump the alignment of CONSTRUCTORs before converting them to a more
	aligned type.

2014-01-20  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <case E_Component>: Remove
	obsolete code for type_annotate_only mode, simplify code and slightly
	improve wording of comments.

2014-01-12  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/59772
	* gcc-interface/cuintp.c (build_cst_from_int): Use 32-bit integer type
	as intermediate type.
	(UI_To_gnu): Likewise.

2014-01-03  Eric Botcazou  <ebotcazou@adacore.com>

	* gnatvsn.ads (Current_Year): Bump to 2014.

2014-01-02  Tobias Burnus  <burnus@net-b.de>

	* gnat_ugn.texi: Bump @copying's copyright year.

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