2008-08-01 Vincent Celier <celier@adacore.com>

	* prj-attr.adb: New attribute Compiler'Name_Syntax (<lang>)
	
	* prj-nmsc.adb (Process_Compiler): Recognize attribute Name_Syntax
	
	* prj.adb (Object_Exist_For): Use Object_Generated, not
	Objects_Generated that is removed and was never modified anyway.

	* prj.ads:
	(Path_Syntax_Kind): New enumeration type
	(Language_Config): New component Path_Syntax, defaulted to Host.
	Components PIC_Option and Objects_Generated removed, as they are not
	used.

	* snames.adb: New standard name Path_Syntax
	
	* snames.ads: New standard name Path_Syntax



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@138487 138bc75d-0d04-0410-961f-82ee72b054a4

6 files changed, 65 insertions, 45 deletions

diff --git a/gcc/ada/prj-attr.adb b/gcc/ada/prj-attr.adb
index 6f6c888b4e6..3421ac1cd70 100644
--- a/gcc/ada/prj-attr.adb
+++ b/gcc/ada/prj-attr.adb
@@ -168,6 +168,7 @@ package body Prj.Attr is
    "Sadriver#" &
    "Larequired_switches#" &
    "Lapic_option#" &
+   "Sapath_syntax#" &
 
    --  Configuration - Mapping files
 
diff --git a/gcc/ada/prj-nmsc.adb b/gcc/ada/prj-nmsc.adb
index 3aa90ddfbd1..1742caf08ab 100644
--- a/gcc/ada/prj-nmsc.adb
+++ b/gcc/ada/prj-nmsc.adb
@@ -1509,6 +1509,22 @@ package body Prj.Nmsc is
                                 From_List => Element.Value.Values,
                                 In_Tree   => In_Tree);
 
+                        when Name_Path_Syntax =>
+                           begin
+                              In_Tree.Languages_Data.Table
+                                (Lang_Index).Config.Path_Syntax :=
+                                Path_Syntax_Kind'Value
+                                  (Get_Name_String (Element.Value.Value));
+
+                           exception
+                              when Constraint_Error =>
+                                 Error_Msg
+                                   (Project,
+                                    In_Tree,
+                                    "invalid value for Path_Syntax",
+                                    Element.Value.Location);
+                           end;
+
                         when Name_Pic_Option =>
 
                            --  Attribute Compiler_Pic_Option (<language>)
diff --git a/gcc/ada/prj.adb b/gcc/ada/prj.adb
index 23623f5feda..505e2dad3d1 100644
--- a/gcc/ada/prj.adb
+++ b/gcc/ada/prj.adb
@@ -690,7 +690,7 @@ package body Prj is
             if In_Tree.Languages_Data.Table (Lang).Name = Language_Id then
                return
                  In_Tree.Languages_Data.Table
-                   (Lang).Config.Objects_Generated;
+                   (Lang).Config.Object_Generated;
             end if;
 
             Lang := In_Tree.Languages_Data.Table (Lang).Next;
diff --git a/gcc/ada/prj.ads b/gcc/ada/prj.ads
index 9af43b388ce..29da0e7d322 100644
--- a/gcc/ada/prj.ads
+++ b/gcc/ada/prj.ads
@@ -399,6 +399,10 @@ package Prj is
 
    No_Source : constant Source_Id := 0;
 
+   type Path_Syntax_Kind is (Canonical, Host);
+   --  Canonical = Unix style
+   --  Host = host specific syntax, for example on VMS (the default)
+
    type Language_Config is record
       Kind : Language_Kind := File_Based;
       --  Kind of language. All languages are file based, except Ada which is
@@ -423,6 +427,10 @@ package Prj is
       --  The list of switches that are required as a minimum to invoke the
       --  compiler driver.
 
+      Path_Syntax                  : Path_Syntax_Kind := Host;
+      --  Value may be Canonical (Unix style) or Host (host syntax, for example
+      --  on VMS for DEC C).
+
       Compilation_PIC_Option : Name_List_Index := No_Name_List;
       --  The option(s) to compile a source in Position Independent Code for
       --  shared libraries. Specified in the configuration. When not specified,
@@ -525,12 +533,6 @@ package Prj is
       Toolchain_Description      : Name_Id         := No_Name;
       --  Hold the value of attribute Toolchain_Description for the language
 
-      PIC_Option                 : Name_Id         := No_Name;
-      --  Hold the value of attribute Compiler'PIC_Option for the language
-
-      Objects_Generated          : Boolean         := True;
-      --  Indicates if objects are generated for the language
-
    end record;
    --  Record describing the configuration of a language
 
@@ -541,6 +543,7 @@ package Prj is
                            Compiler_Driver              => No_File,
                            Compiler_Driver_Path         => null,
                            Compiler_Required_Switches   => No_Name_List,
+                           Path_Syntax                  => Canonical,
                            Compilation_PIC_Option       => No_Name_List,
                            Object_Generated             => True,
                            Objects_Linked               => True,
@@ -567,9 +570,7 @@ package Prj is
                            Binder_Required_Switches     => No_Name_List,
                            Binder_Prefix                => No_Name,
                            Toolchain_Version            => No_Name,
-                           Toolchain_Description        => No_Name,
-                           PIC_Option                   => No_Name,
-                           Objects_Generated            => True);
+                           Toolchain_Description        => No_Name);
 
    type Language_Data is record
       Name          : Name_Id         := No_Name;
diff --git a/gcc/ada/snames.adb b/gcc/ada/snames.adb
index d23edf9ad6b..ea14cf116df 100644
--- a/gcc/ada/snames.adb
+++ b/gcc/ada/snames.adb
@@ -780,6 +780,7 @@ package body Snames is
      "objects_path#" &
      "objects_path_file#" &
      "object_dir#" &
+     "path_syntax#" &
      "pic_option#" &
      "pretty_printer#" &
      "prefix#" &
diff --git a/gcc/ada/snames.ads b/gcc/ada/snames.ads
index 5a47de55c89..da6c9a5a800 100644
--- a/gcc/ada/snames.ads
+++ b/gcc/ada/snames.ads
@@ -1107,53 +1107,54 @@ package Snames is
    Name_Objects_Path                   : constant Name_Id := N + 719;
    Name_Objects_Path_File              : constant Name_Id := N + 720;
    Name_Object_Dir                     : constant Name_Id := N + 721;
-   Name_Pic_Option                     : constant Name_Id := N + 722;
-   Name_Pretty_Printer                 : constant Name_Id := N + 723;
-   Name_Prefix                         : constant Name_Id := N + 724;
-   Name_Project                        : constant Name_Id := N + 725;
-   Name_Roots                          : constant Name_Id := N + 726;
-   Name_Required_Switches              : constant Name_Id := N + 727;
-   Name_Run_Path_Option                : constant Name_Id := N + 728;
-   Name_Runtime_Project                : constant Name_Id := N + 729;
-   Name_Shared_Library_Minimum_Switches : constant Name_Id := N + 730;
-   Name_Shared_Library_Prefix          : constant Name_Id := N + 731;
-   Name_Shared_Library_Suffix          : constant Name_Id := N + 732;
-   Name_Separate_Suffix                : constant Name_Id := N + 733;
-   Name_Source_Dirs                    : constant Name_Id := N + 734;
-   Name_Source_Files                   : constant Name_Id := N + 735;
-   Name_Source_List_File               : constant Name_Id := N + 736;
-   Name_Spec                           : constant Name_Id := N + 737;
-   Name_Spec_Suffix                    : constant Name_Id := N + 738;
-   Name_Specification                  : constant Name_Id := N + 739;
-   Name_Specification_Exceptions       : constant Name_Id := N + 740;
-   Name_Specification_Suffix           : constant Name_Id := N + 741;
-   Name_Stack                          : constant Name_Id := N + 742;
-   Name_Switches                       : constant Name_Id := N + 743;
-   Name_Symbolic_Link_Supported        : constant Name_Id := N + 744;
-   Name_Sync                           : constant Name_Id := N + 745;
-   Name_Synchronize                    : constant Name_Id := N + 746;
-   Name_Toolchain_Description          : constant Name_Id := N + 747;
-   Name_Toolchain_Version              : constant Name_Id := N + 748;
-   Name_Runtime_Library_Dir            : constant Name_Id := N + 749;
+   Name_Path_Syntax                    : constant Name_Id := N + 722;
+   Name_Pic_Option                     : constant Name_Id := N + 723;
+   Name_Pretty_Printer                 : constant Name_Id := N + 724;
+   Name_Prefix                         : constant Name_Id := N + 725;
+   Name_Project                        : constant Name_Id := N + 726;
+   Name_Roots                          : constant Name_Id := N + 727;
+   Name_Required_Switches              : constant Name_Id := N + 728;
+   Name_Run_Path_Option                : constant Name_Id := N + 729;
+   Name_Runtime_Project                : constant Name_Id := N + 730;
+   Name_Shared_Library_Minimum_Switches : constant Name_Id := N + 731;
+   Name_Shared_Library_Prefix          : constant Name_Id := N + 732;
+   Name_Shared_Library_Suffix          : constant Name_Id := N + 733;
+   Name_Separate_Suffix                : constant Name_Id := N + 734;
+   Name_Source_Dirs                    : constant Name_Id := N + 735;
+   Name_Source_Files                   : constant Name_Id := N + 736;
+   Name_Source_List_File               : constant Name_Id := N + 737;
+   Name_Spec                           : constant Name_Id := N + 738;
+   Name_Spec_Suffix                    : constant Name_Id := N + 739;
+   Name_Specification                  : constant Name_Id := N + 740;
+   Name_Specification_Exceptions       : constant Name_Id := N + 741;
+   Name_Specification_Suffix           : constant Name_Id := N + 742;
+   Name_Stack                          : constant Name_Id := N + 743;
+   Name_Switches                       : constant Name_Id := N + 744;
+   Name_Symbolic_Link_Supported        : constant Name_Id := N + 745;
+   Name_Sync                           : constant Name_Id := N + 746;
+   Name_Synchronize                    : constant Name_Id := N + 747;
+   Name_Toolchain_Description          : constant Name_Id := N + 748;
+   Name_Toolchain_Version              : constant Name_Id := N + 749;
+   Name_Runtime_Library_Dir            : constant Name_Id := N + 750;
 
    --  Other miscellaneous names used in front end
 
-   Name_Unaligned_Valid                : constant Name_Id := N + 750;
+   Name_Unaligned_Valid                : constant Name_Id := N + 751;
 
    --  Ada 2005 reserved words
 
-   First_2005_Reserved_Word            : constant Name_Id := N + 751;
-   Name_Interface                      : constant Name_Id := N + 751;
-   Name_Overriding                     : constant Name_Id := N + 752;
-   Name_Synchronized                   : constant Name_Id := N + 753;
-   Last_2005_Reserved_Word             : constant Name_Id := N + 753;
+   First_2005_Reserved_Word            : constant Name_Id := N + 752;
+   Name_Interface                      : constant Name_Id := N + 752;
+   Name_Overriding                     : constant Name_Id := N + 753;
+   Name_Synchronized                   : constant Name_Id := N + 754;
+   Last_2005_Reserved_Word             : constant Name_Id := N + 754;
 
    subtype Ada_2005_Reserved_Words is
      Name_Id range First_2005_Reserved_Word .. Last_2005_Reserved_Word;
 
    --  Mark last defined name for consistency check in Snames body
 
-   Last_Predefined_Name                : constant Name_Id := N + 753;
+   Last_Predefined_Name                : constant Name_Id := N + 754;
 
    ---------------------------------------
    -- Subtypes Defining Name Categories --