2004-03-05 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>

	* trans.c: Reflect GCC changes to fix bootstrap problem.
	Add warning for suspicious aliasing unchecked conversion.

2004-03-05  Robert Dewar  <dewar@gnat.com>

	* 56taprop.adb, 5ataprop.adb: Remove unneeded unchecked conversions

	* a-tags.adb, a-tags.ads, s-finimp.adb, s-finroo.ads,
	i-cpoint.ads, i-cpoint.adb, i-cstrin.adb, i-cstrin.ads,
	5iosinte.ads, 5sosinte.ads, 5staspri.ads, 5itaprop.adb,
	5staprop.adb, 5wtaprop.adb, s-tataat.ads, s-tataat.adb: Move
	unchecked conversion to spec to avoid warnings.

	* s-tasini.adb, s-taskin.ads, 5atpopsp.adb: Correct spelling Task_Id
	to Task_ID

	* 7stpopsp.adb: Correct casing in To_Task_ID call

	* a-strsea.ads, a-strsea.adb: Minor reformatting

	* einfo.ads, einfo.adb: Define new flag No_Strict_Aliasing

	* errout.ads: Switch for VMS is now NO_STRICT_ALIASING.
	Adjust Max_Msg_Length to be clearly large enough.

	* fe.h: Define In_Same_Source_Unit

	* osint.adb: Add pragma Warnings Off to suppress warnings
	* g-dyntab.adb, g-table.adb, g-thread.adb: Add Warnings (Off) to kill
	aliasing warnings.

	* opt.ads: Put entries in alpha order. Add entry for No_Strict_Aliasing

	* par-prag.adb: Add dummy entry for No_Strict_Aliasing pragma

	* sem_ch13.adb: Generate validate unchecked conversion nodes for gcc.

	* sem_ch3.adb: Set No_Strict_Aliasing flag if config pragma set.

	* sem_prag.adb: Implement pragma No_Strict_Aliasing.

	* sinfo.ads: Remove obsolete comment on validate unchecked conversion
	node. We now do generate them for gcc back end.

	* table.adb, sinput.adb: Add pragma Warnings Off to suppress aliasing
	warning.

	* sinput-c.adb: Fix bad name in header.
	Add pragma Warnings Off to suppress aliasing warning.

	* sinput-l.adb: Add pragma Warnings Off to suppress aliasing warning.

	* snames.h, snames.ads, snames.adb: Add entry for pragma
	No_Strict_Aliasing.

2004-03-05  Vincent Celier  <celier@gnat.com>

	* prj-com.ads: Add hash table Files_Htable to check when a file name
	is already a source of another project.

	* prj-nmsc.adb (Record_Source): Before recording a new source, check
	if its file name is not already a source of another project. Report an
	error if it is.

	* gnatcmd.adb: When GNAT PRETTY is invoked with a project file and no
	source file name, call gnatpp with all the sources of the main project.

	* vms_conv.adb (Initialize): GNAT PRETTY may be called with any number
	of file names.

	* vms_data.ads: Correct documentation of new /OPTIMIZE keyword
	NO_STRICT_ALIASING. Add new qualifier for GNAT PRETTY:
	/RUNTIME_SYSTEM=, converted to --RTS=
	/NOTABS, converted to -notabs

2004-03-05  Pascal Obry  <obry@gnat.com>

	* make.adb: Minor reformatting.

2004-03-05  Ed Schonberg  <schonberg@gnat.com>

	Part of implemention of AI-262.
	* par-ch10.adb (P_Context_Clause): Recognize private with_clauses.

	* sem_ch10.ads, sem_ch10.adb: (Install_Private_With_Clauses): New
	procedure.

	* sem_ch3.adb (Analyze_Component_Declaration): Improve error message
	when component type is a partially constrained class-wide subtype.
	(Constrain_Discriminated_Type): If parent type has unknown
	discriminants, a constraint is illegal, even if full view has
	discriminants.
	(Build_Derived_Record_Type): Inherit discriminants when deriving a type
	with unknown discriminants whose full view is a discriminated record.

	* sem_ch7.adb (Preserve_Full_Attributes): Preserve Has_Discriminants
	flag, to handle properly derivations of tagged types with unknown
	discriminants.
	(Analyze_Package_Spec, Analyze_Package_Body): Install
	Private_With_Clauses before analyzing private part or body.

	* einfo.ads: Indicate that both Has_Unknown_Discriminants and
	Has_Discriminants can be true for a given type (documentation).

2004-03-05  Arnaud Charlet  <charlet@act-europe.fr>

	* s-restri.ads: Fix license (GPL->GMGPL).

	* s-tassta.adb: Minor reformatting.

	* s-tasren.adb: Replace manual handling of Self_Id.ATC_Nesting_Level
	by calls to Exit_One_ATC_Level, since additional clean up is performed
	by this function.

	* s-tpobop.adb: Replace manual handling of Self_Id.ATC_Nesting_Level
	by calls to Exit_One_ATC_Level, since additional clean up is performed
	by this function.

2004-03-05  GNAT Script  <nobody@gnat.com>

	* Make-lang.in: Makefile automatically updated


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@78964 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 36 insertions, 2 deletions

diff --git a/gcc/ada/par-ch10.adb b/gcc/ada/par-ch10.adb
index 017030e05d3..475f0c35509 100644
--- a/gcc/ada/par-ch10.adb
+++ b/gcc/ada/par-ch10.adb
@@ -748,16 +748,20 @@ package body Ch10 is
    --  CONTEXT_ITEM ::= WITH_CLAUSE | USE_CLAUSE | WITH_TYPE_CLAUSE
 
    --  WITH_CLAUSE ::=
-   --    with library_unit_NAME {,library_unit_NAME};
+   --  [LIMITED] [PRIVATE]  with library_unit_NAME {,library_unit_NAME};
+   --  Note: the two qualifiers are ADA0Y extensions.
 
    --  WITH_TYPE_CLAUSE ::=
    --    with type type_NAME is access; | with type type_NAME is tagged;
+   --  Note: this form is obsolete (old GNAT extension).
 
    --  Error recovery: Cannot raise Error_Resync
 
    function P_Context_Clause return List_Id is
       Item_List   : List_Id;
       Has_Limited : Boolean := False;
+      Has_Private : Boolean := False;
+      Scan_State  : Saved_Scan_State;
       With_Node   : Node_Id;
       First_Flag  : Boolean;
 
@@ -781,14 +785,21 @@ package body Ch10 is
 
          --  Processing for WITH clause
 
-         --  Ada0Y (AI-50217): First check for LIMITED WITH
+         --  Ada0Y (AI-50217): First check for LIMITED WITH, PRIVATE WITH,
+         --  or both.
 
          if Token = Tok_Limited then
             Has_Limited := True;
+            Has_Private := False;
             Scan; -- past LIMITED
 
             --  In the context, LIMITED can only appear in a with_clause
 
+            if Token = Tok_Private then
+               Has_Private := True;
+               Scan;  -- past PRIVATE
+            end if;
+
             if Token /= Tok_With then
                Error_Msg_SC ("unexpected LIMITED ignored");
             end if;
@@ -797,9 +808,31 @@ package body Ch10 is
                Error_Msg_SP ("`LIMITED WITH` is an Ada0X extension");
                Error_Msg_SP
                  ("\unit must be compiled with -gnatX switch");
+
             end if;
+
+         elsif Token = Tok_Private then
+            Has_Limited := False;
+            Has_Private := True;
+            Save_Scan_State (Scan_State);
+            Scan;  -- past PRIVATE
+
+            if Token /= Tok_With then
+
+               --  Keyword is beginning of private child unit.
+
+               Restore_Scan_State (Scan_State); -- to PRIVATE
+               return Item_List;
+
+            elsif not Extensions_Allowed then
+               Error_Msg_SP ("`PRIVATE WITH` is an Ada0X extension");
+               Error_Msg_SP
+                 ("\unit must be compiled with -gnatX switch");
+            end if;
+
          else
             Has_Limited := False;
+            Has_Private := False;
          end if;
 
          if Token = Tok_With then
@@ -852,6 +885,7 @@ package body Ch10 is
                   Set_Name (With_Node, P_Qualified_Simple_Name);
                   Set_First_Name (With_Node, First_Flag);
                   Set_Limited_Present (With_Node, Has_Limited);
+                  Set_Private_Present (With_Node, Has_Private);
                   First_Flag := False;
                   exit when Token /= Tok_Comma;
                   Scan; -- past comma