+2004-04-06 Pascal Obry <obry@gnat.com>
+
+ * adaint.c (DIR_SEPARATOR): Properly set DIR_SEPARATOR on Win32.
+
+ * osint.adb (Program_Name): Do not look past a directory separator.
+
+2004-04-06 Thomas Quinot <quinot@act-europe.fr>
+
+ * atree.adb: Update comment (Rewrite_Substitute_Node no longer exists).
+
+ * exp_ch6.adb (Rewrite_Function_Call): Clarify documentation of
+ requirement for preserving a copy of the original assignment node.
+
+ * sinfo.ads: Update comment (Original_Tree -> Original_Node).
+
+2004-04-06 Olivier Hainque <hainque@act-europe.fr>
+
+ (__gnat_initialize [Vxworks]): Enable references to the crtstuff bits
+ when supported.
+
+2004-04-06 Ed Schonberg <schonberg@gnat.com>
+
+ * sem_ch4.adb (Remove_Abstract_Operations): Extend previous changes to
+ operator calls in functional notation, and apply
+ Universal_Interpretation to operands, not to their type.
+
+2004-04-06 Robert Dewar <dewar@gnat.com>
+
+ * 5wdirval.adb: Minor reformatting
+
+2004-04-06 Ed Falis <falis@gnat.com>
+
+ * gnat_rm.texi: Improve a reference to the GCC manual
+
+2004-04-05 Vincent Celier <celier@gnat.com>
+
+ * adaint.h, adaint.c: Add function __gnat_named_file_length
+
+ * impunit.adb: Add Ada.Directories to the list
+
+ * Makefile.in: Add VMS and Windows versions of
+ Ada.Directories.Validity package body.
+
+ * Makefile.rtl: Add a-direct and a-dirval
+
+ * mlib-tgt.ads: Minor comment update.
+
+ * a-dirval.ads, a-dirval.adb, 5vdirval.adb, 5wdirval.adb,
+ a-direct.ads, a-direct.adb: New files.
+
+2004-04-05 Vincent Celier <celier@gnat.com>
+
+ PR ada/13620
+ * make.adb (Scan_Make_Arg): Pass any -fxxx switches to gnatlink, not
+ just to the compiler.
+
+2004-04-05 Robert Dewar <dewar@gnat.com>
+
+ * a-except.adb (Exception_Name_Simple): Make sure lower bound of
+ returned string is 1.
+
+ * ali-util.adb: Use proper specific form for Warnings (Off, entity)
+
+ * eval_fat.ads: Minor reformatting
+
+ * g-curexc.ads: Document that lower bound of returned string values
+ is always one.
+
+ * gnatlink.adb: Add ??? comment for previous change
+ (need to document why this is VMS specific)
+
+ * s-stoele.ads: Minor reformatting
+
+ * tbuild.ads: Minor reformatting throughout (new function specs)
+
+ * par-ch10.adb (P_Context_Clause): Handle comma instead of semicolon
+ after WITH.
+
+ * scng.adb: Minor reformatting
+
+2004-04-05 Geert Bosch <bosch@gnat.com>
+
+ * eval_fat.adb (Machine): Remove unnecessary suppression of warning.
+ (Leading_Part): Still perform truncation to machine number if the
+ specified radix_digits is greater or equal to machine_mantissa.
+
+2004-04-05 Javier Miranda <miranda@gnat.com>
+
+ * par-ch3.adb: Complete documentation of previous change
+ Correct wrong syntax documentation of the OBJECT_DECLARATION rule
+ (aliased must appear before constant).
+
+ * par-ch4.adb: Complete documentation of previous change.
+
+ * par-ch6.adb: Complete documentation of previous change.
+
+ * sinfo.ads: Fix typo in commment.
+
+2004-04-05 Ed Schonberg <schonberg@gnat.com>
+
+ * sem_ch3.adb (Inherit_Components): If derived type is private and has
+ stored discriminants, use its discriminants to constrain parent type,
+ as is done for non-private derived record types.
+
+ * sem_ch4.adb (Remove_Abstract_Operations): New subprogram to implement
+ Ada 2005 AI-310: an abstract non-dispatching operation is not a
+ candidate interpretation in an overloaded call.
+
+ * tbuild.adb (Unchecked_Convert_To): Preserve conversion node if
+ expression is Null and target type is not an access type (e.g. a
+ non-private address type).
+
+2004-04-05 Thomas Quinot <quinot@act-europe.fr>
+
+ * exp_ch6.adb (Rewrite_Function_Call): When rewriting an assignment
+ statement whose right-hand side is an inlined call, save a copy of the
+ original assignment subtree to preserve enough consistency for
+ Analyze_Assignment to proceed.
+
+ * sem_ch5.adb (Analyze_Assignment): Remove a costly copy of the
+ complete assignment subtree which is now unnecessary, as the expansion
+ of inlined call has been improved to preserve a consistent assignment
+ tree. Note_Possible_Modification must be called only
+ after checks have been applied, or else unnecessary checks will
+ be generated.
+
+ * sem_util.adb (Note_Possible_Modification): Reorganise the handling
+ of explicit dereferences that do not Come_From_Source:
+ - be selective on cases where we must go back to the dereferenced
+ pointer (an assignment to an implicit dereference must not be
+ recorded as modifying the pointer);
+ - do not rely on Original_Node being present (Analyze_Assignment
+ calls Note_Possible_Modification on a copied tree).
+
+ * sem_warn.adb (Check_References): When an unset reference to a pointer
+ that is never assigned is encountered, prefer '<pointer> may be null'
+ warning over '<pointer> is never assigned a value'.
+
+2004-04-05 Ramon Fernandez <fernandez@gnat.com>
+
+ * tracebak.c: Change STOP_FRAME in ppc vxworks to be compliant with
+ the ABI.
+
+2004-04-05 Olivier Hainque <hainque@act-europe.fr>
+
+ * 5gmastop.adb (Pop_Frame): Comment out the pragma Linker_Option for
+ libexc. We currently don't reference anything in this library and
+ linking it in triggers linker warnings we don't want to see.
+
+ * init.c: Update comments.
+
+2004-04-05 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * decl.c (gnat_to_gnu_entity): Use TYPE_READONLY.
+ * utils.c (create_field_decl): Likewise.
+ * utils2.c (build_unary_op, gnat_build_constructor): Likewise.
+
+2004-04-02 Arnaud Charlet <charlet@act-europe.fr>
+
+ * gnat-style.texi, gnat_rm.texi, gnat_ugn.texi: Remove RCS tags.
+ Replace ifinfo by ifnottex, to make makeinfo --html happy again.
+ Add info directory entry and category.
+
+2004-04-02 Jan Hubicka <jh@suse.cz>
+
+ * utils.c: Include function.h
+ (end_subprog_body): Clear DECL_STRUCT_FUNCTION.
+
+2004-04-01 Arnaud Charlet <charlet@act-europe.fr>
+
+ PR ada/14150
+ * Make-lang.in: Clean up generation of documentation
+
+ * gnat-style.texi, gnat_rm.texi, ug_words: Resync with AdaCore version
+
+ * xgnatug.adb: Removed, replaced by xgnatugn.adb
+
+ * xgnatugn.adb: Replaces xgnatug.adb
+
+ * gnat_ug.texi: Removed, replaced by gnat_ugn.texi
+
+ * gnat_ugn.texi: Replaces gnat_ug.texi. Resync with AdaCore version
+
+ * gnat_ug_unx.texi, gnat_ug_vms.texi, gnat_ug_vxw.texi,
+ gnat_ug_wnt.texi: Removed.
+
+2004-04-01 Arnaud Charlet <charlet@act-europe.fr>
+
+ * utils2.c: Update copyright notice.
+
+2004-04-01 Robert Dewar <dewar@gnat.com>
+
+ * checks.adb: Minor reformatting throughout
+ Note that prev checkin added RM reference to alignment warning
+
+2004-04-01 Ed Schonberg <schonberg@gnat.com>
+
+ * exp_aggr.adb (Get_Component_Val): Treat a string literal as
+ non-static when building aggregate for bit-packed array.
+
+ * exp_ch4.adb (Expand_N_Slice): If a packed slice is an actual of a
+ function call that is itself the actual in a procedure call, build
+ temporary for it.
+
+ * exp_pakd.adb (Expand_Bit_Packed_Element_Set): If right-hand side is
+ a string literal, create a temporary for it, constant folding only
+ handles scalars here.
+
+2004-04-01 Vincent Celier <celier@gnat.com>
+
+ * ali-util.adb (Post_Scan, Error_Msg, Error_Msg_S, Error_Msg_SC,
+ Error_Msg_SP): New empty procedures to instantiate the Scanner.
+ (Style, Scanner): Instantiations of Styleg and Scng to be able to scan
+ tokens.
+ (Accumulate_Checksum, Initialize_Checksum): Remove procedures.
+ (Get_File_Checksum): Use the instantiated scanner to scan all the tokens
+ and get the checksum.
+
+ * make.adb (Gnatmake): Do not insert into Q the Main_Source if it is
+ already in the Q.
+ Increase the Marking_Label at the end of the Multiple_Main_Loop,
+ instead of at the beginning.
+
+ * osint.adb (Lib_File_Name): Use Multi_Unit_Index_Character, not '~'
+ directly.
+ (Osint package elaboration): Change Multi_Unit_Index_Character to '$' if
+ on VMS.
+
+ * osint.ads (Multi_Unit_Index_Character): New Character global variable
+
+ * osint-c.adb (Set_Library_Info_Name): Use Multi_Unit_Index_Character,
+ not '~' directly.
+
+ * par.adb: Remove test on file name to detect language defined units.
+ Add test on unit name, after parsing, to detect language defined units
+ that are not compiled with -gnatg (except System.RPC and its children)
+
+ * par-ch10.adb (P_Compilation_Unit): In multi-unit sources, scan the
+ following units without style checking.
+
+ * switch-c.adb: Change -gnatC to -gnateI
+
+ * usage.adb: Document new switch -gnateInnn
+
+ * scng.adb (Accumulate_Token_Checksum): New procedure
+ (Scan): Call Accumulate_Token_Checksum after each identifier, reserved
+ word or literal number.
+ (Scan.Nlit.Scan_Integer): Do not accumulate internal '_' in litteral
+ numbers.
+
+2004-04-01 Thomas Quinot <quinot@act-europe.fr>
+
+ * a-tasatt.adb,
+ g-comlin.adb, sinput-c.adb, s-secsta.adb, s-tpobop.adb,
+ switch-m.adb, 56taprop.adb, 5ginterr.adb, 5gmastop.adb,
+ 5staprop.adb, 5vinterr.adb, 5vtaprop.adb, 5vtpopde.adb,
+ 5vtpopde.adb: Add missing 'constant' keywords.
+
+2004-04-01 Javier Miranda <miranda@gnat.com>
+
+ * par-ch4.adb: (P_Allocator): Code cleanup
+
+ * sem_ch3.adb (Access_Definition): Properly set the null-excluding
+ attribute.
+
+ * sinfo.ads: Complete documentation of previous change
+
+2004-04-01 Pascal Obry <obry@gnat.com>
+
+ * gnatlink.adb (Process_Binder_File): Remove duplicate linker options
+ only on VMS. This special handling was done because an old GNU/ld bug
+ on Windows which has been fixed.
+
+2004-04-01 GNAT Script <nobody@gnat.com>
+
+ * Make-lang.in: Makefile automatically updated
+
+2004-03-31 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * decl.c (gnat_to_gnu_entity, make_type_from_size):
+ Use TYPE_UNSIGNED, not TREE_UNSIGNED.
+ * trans.c (tree_transform, convert_with_check): Likewise.
+ * utils.c (gnat_signed_or_unsigned_type): Likewise.
+ (build_vms_descriptor, unchecked_convert): Likewise.
+ * utils2.c (nonbinary_modular_operation): Likewise.
+
+2004-03-29 Javier Miranda <miranda@gnat.com>
+
+ * checks.adb (Null_Exclusion_Static_Checks): New subprogram
+ (Install_Null_Excluding_Check): Local subprogram that determines whether
+ an access node requires a runtime access check and if so inserts the
+ appropriate run-time check.
+ (Apply_Access_Check): Call Install_Null_Excluding check if required
+ (Apply_Constraint_Check): Call Install_Null_Excluding check if required
+
+ * checks.ads: (Null_Exclusion_Static_Checks): New subprogram
+
+ * einfo.ads: Fix typo in comment
+
+ * exp_ch3.adb (Build_Assignment): Generate conversion to the
+ null-excluding type to force the corresponding run-time check.
+ (Expand_N_Object_Declaration): Generate conversion to the null-excluding
+ type to force the corresponding run-time check.
+
+ * exp_ch5.adb (Expand_N_Assignment_Statement): Generate conversion to
+ the null-excluding type to force the corresponding run-time check.
+
+ * exp_ch6.adb (Expand_Call): Do not generate the run-time check in
+ case of access types unless they have the null-excluding attribute.
+
+ * sprint.adb (Sprint_Node_Actual): Give support to the null-exclusing
+ part.
+
+ * exp_util.ads: Fix typo in comment
+
+ * par.adb (P_Null_Exclusion): New subprogram
+ (P_Subtype_Indication): New formal that indicates if the null-excluding
+ part has been scanned-out and it was present
+
+ * par-ch3.adb, par-ch4.adb, par-ch6.adb: Give support to AI-231
+
+ * sem_aggr.adb: (Check_Can_Never_Be_Null): New subprogram
+ (Aggregate_Constraint_Checks): Generate conversion to the null-excluding
+ type to force the corresponding run-time check
+ (Resolve_Aggregate): Propagate the null-excluding attribute to the array
+ components
+ (Resolve_Array_Aggregate): Carry out some static checks
+ (Resolve_Record_Aggregate.Get_Value): Carry out some static check
+
+ * sem_ch3.adb (Access_Definition): In Ada 0Y the Can_Never_Be_Null
+ attribute must be set only if specified by means of the null-excluding
+ part. In addition, we must also propagate the access-constant attribute
+ if present.
+ (Access_Subprogram_Declaration, Access_Type_Declaration,
+ Analyze_Component_Declaration, Analyze_Object_Declaration,
+ Array_Type_Declaration, Process_Discriminants,
+ Analyze_Subtype_Declaration): Propagate the null-excluding attribute
+ and carry out some static checks.
+ (Build_Derived_Access_Type): Set the null-excluding attribute
+ (Derived_Type_Declaration, Process_Subtype): Carry out some static
+ checks.
+
+ * sem_ch4.adb (Analyze_Allocator): Carry out some static checks
+
+ * sem_ch5.adb (Analyze_Assignment): Carry out some static checks
+
+ * sem_ch6.adb (Process_Formals): Carry out some static checks.
+ (Set_Actual_Subtypes): Generate null-excluding subtype if the
+ null-excluding part was present; it is not required to be done here in
+ case of anonymous access types.
+ (Set_Formal_Mode): Ada 0Y allows anonymous access to have the null
+ value.
+
+ * sem_res.adb (Resolve_Actuals): Carry out some static check
+ (Resolve_Null): Allow null in anonymous access
+
+ * sinfo.adb: New subprogram Null_Exclusion_Present
+ All_Present and Constant_Present available on access_definition nodes
+
+ * sinfo.ads: New flag Null_Exclusion_Present on subtype_declaration,
+ object_declaration, derived_type_definition, component_definition,
+ discriminant_specification, access_to_object_definition,
+ access_function_definition, allocator, access_procedure_definition,
+ access_definition, parameter_specification, All_Present and
+ Constant_Present flags available on access_definition nodes.
+
+2004-03-29 Robert Dewar <dewar@gnat.com>
+
+ * fname.adb, fname.ads, fname-sf.adb, fname-uf.adb, fname-uf.ads,
+ gnat1drv.adb, lib.adb, lib.ads, lib-load.adb, lib-writ.adb,
+ opt.ads, osint.adb, osint.ads, osint-c.adb, par.adb,
+ par-ch10.adb, par-load.adb, par-prag.adb, sfn_scan.adb,
+ sfn_scan.ads, sinput-l.adb, sinput-l.ads, switch-c.adb,
+ sem_prag.adb: Updates to handle multiple units/file
+
+ * par.adb: Change test for s-rpc to s-rp for detecting rpc and children
+
+ * par.adb, memtrack.adb, prj-makr.adb, prj-part.adb,
+ sem_util.adb: Minor reformatting
+
+ * sem_ch12.adb: Add comment for previous change
+
+2004-03-29 Laurent Pautet <pautet@act-europe.fr>
+
+ * osint.adb (Executable_Prefix): Set Exec_Name to the current
+ executable name when not initialized. Otherwise, use its current value.
+
+ * osint.ads (Exec_Name): Move Exec_Name from body to spec in order to
+ initialize it to another executable name than the current one. This
+ allows to configure paths for an executable name (gnatmake) different
+ from the current one (gnatdist).
+
+2004-03-29 Ed Schonberg <schonberg@gnat.com>
+
+ * exp_ch6.adb (Expand_Call): A call to a function declared in the
+ current unit cannot be inlined if it appears in the body of a withed
+ unit, to avoid order of elaboration problems in gigi.
+
+ * exp_ch9.adb (Build_Protected_Sub_Specification): Generate debugging
+ information for protected (wrapper) operation as well, to simplify gdb
+ use.
+
+ * sem_ch6.adb (Analyze_Subprogram_Body): For a private operation in a
+ protected body, indicate that the entity for the generated spec comes
+ from source, to ensure that references are properly generated for it.
+ (Build_Body_To_Inline): Do not inline a function that returns a
+ controlled type.
+
+ * sem_prag.adb (Process_Convention): If subprogram is overloaded, only
+ apply convention to homonyms that are declared explicitly.
+
+ * sem_res.adb (Make_Call_Into_Operator): If the operation is a function
+ that renames an equality operator and the operands are overloaded,
+ resolve them with the declared formal types, before rewriting as an
+ operator.
+
+2004-03-29 GNAT Script <nobody@gnat.com>
+
+ * Make-lang.in: Makefile automatically updated
+
+2004-03-25 Vasiliy Fofanov <fofanov@act-europe.fr>
+
+ * memtrack.adb: Log realloc calls, which are treated as free followed
+ by alloc.
+
+2004-03-25 Vincent Celier <celier@gnat.com>
+
+ * prj-makr.adb (Process_Directories): Detect when a file contains
+ several units. Do not include such files in the config pragmas or
+ in the naming scheme.
+
+ * prj-nmsc.adb (Record_Source): New parameter Trusted_Mode.
+ Resolve links only when not in Trusted_Mode.
+ (Find_Sources, Recursive_Find_Dirs, Find_Source_Dirs, Locate_Directory):
+ Do not resolve links for the display names.
+
+ * prj-part.adb (Parse_Single_Project, Project_Path_Name_Of): Do not
+ resolve links when computing the display names.
+
+2004-03-25 Thomas Quinot <quinot@act-europe.fr>
+
+ * sem_attr.adb (Check_Dereference): When the prefix of a 'Tag
+ attribute reference does not denote a subtype, it can be any
+ expression that has a classwide type, potentially after an implicit
+ dereference. In particular, the prefix can be a view conversion for
+ a classwide type (for which Is_Object_Reference holds), but it can
+ also be a value conversion for an access-to-classwide type. In the
+ latter case, there is an implicit dereference, and the original node
+ for the prefix does not verify Is_Object_Reference.
+
+ * sem_util.adb (Is_Dependent_Component_Of_Mutable_Object): A view
+ conversion of a discriminant-dependent component of a mutable object
+ is one itself.
+
+2004-03-25 Ed Schonberg <schonberg@gnat.com>
+
+ * freeze.adb (Freeze_Entity): When an inherited subprogram is
+ inherited, has convention C, and has unconstrained array parameters,
+ place the corresponding warning on the derived type declaration rather
+ than the original subprogram.
+
+ * sem_ch12.adb (Instantiate_Formal_Subprogram): Set From_Default
+ indication on renaming declaration, if formal has a box and actual
+ is absent.
+
+ * sem_ch8.adb (Analyze_Subprogram_Renaming): Use From_Default flag to
+ determine whether to generate an implicit or explicit reference to
+ the renamed entity.
+
+ * sinfo.ads, sinfo.adb: New flag From_Default, to indicate that a
+ subprogram renaming comes from a defaulted formal subprogram in an
+ instance.
+
+2004-03-25 Gary Dismukes <dismukes@gnat.com>
+
+ * sem_elab.adb (Check_Elab_Call): Refine loop that checks for default
+ value expressions to ensure that calls within a component definition
+ will be checked (since those are evaluated during the record type's
+ elaboration).
+
+2004-03-25 Arnaud Charlet <charlet@act-europe.fr>
+
+ * s-tpobop.adb: Code clean up:
+ (Requeue_Call): Extract from PO_Service_Entries to remove duplicated
+ code.
+ (PO_Do_Or_Queue): Remove duplicated code and use Requeue_Call.
+
+2004-03-25 Jose Ruiz <ruiz@act-europe.fr>
+
+ * Makefile.in: Clean up in the ravenscar run time.
+
2004-03-23 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* decl.c (gnat_to_gnu_entity, case E_Access_Type): Pass value
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