-- --
-- B o d y --
-- --
--- Copyright (C) 2001-2004 Free Software Foundation, Inc. --
+-- Copyright (C) 2001-2007, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
+-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
+-- Boston, MA 02110-1301, USA. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-with Ada.Characters.Handling; use Ada.Characters.Handling;
-with Namet; use Namet;
-with Osint; use Osint;
-with Output; use Output;
+with Osint;
+with Prj.Com; use Prj.Com;
+with System.Case_Util; use System.Case_Util;
package body Prj.Attr is
+ -- Data for predefined attributes and packages
+
-- Names end with '#'
-- Package names are preceded by 'P'
- -- Attribute names are preceded by two letters
+ -- Attribute names are preceded by two letters:
-- The first letter is one of
-- 'S' for Single
-- insensitive
-- 'c' same as 'b', with optional index
- -- End is indicated by two consecutive '#'.
+ -- End is indicated by two consecutive '#'
Initialization_Data : constant String :=
"SVlibrary_auto_init#" &
"LVlibrary_options#" &
"SVlibrary_src_dir#" &
+ "SVlibrary_ali_dir#" &
"SVlibrary_gcc#" &
"SVlibrary_symbol_file#" &
"SVlibrary_symbol_policy#" &
"lVmain#" &
"LVlanguages#" &
"SVmain_language#" &
+ "LVada_roots#" &
+ "SVexternally_built#" &
-- package Naming
"Ladefault_switches#" &
"Lbswitches#" &
+ -- package Check
+
+ "Pcheck#" &
+ "Ladefault_switches#" &
+ "Lbswitches#" &
+
-- package Eliminate
"Peliminate#" &
"SVvcs_file_check#" &
"SVvcs_log_check#" &
+ -- package Stack
+
+ "Pstack#" &
+ "LVswitches#" &
+
+ -- package Language_Processing
+
+ "Planguage_processing#" &
+ "Lacompiler_driver#" &
+ "Sacompiler_kind#" &
+ "Ladependency_option#" &
+ "Lacompute_dependency#" &
+ "Lainclude_option#" &
+ "Sabinder_driver#" &
+ "SVdefault_linker#" &
+
"#";
+ Initialized : Boolean := False;
+ -- A flag to avoid multiple initialization
+
+ function Name_Id_Of (Name : String) return Name_Id;
+ -- Returns the Name_Id for Name in lower case
+
+ -----------------------
+ -- Attribute_Kind_Of --
+ -----------------------
+
+ function Attribute_Kind_Of
+ (Attribute : Attribute_Node_Id) return Attribute_Kind
+ is
+ begin
+ if Attribute = Empty_Attribute then
+ return Unknown;
+ else
+ return Attrs.Table (Attribute.Value).Attr_Kind;
+ end if;
+ end Attribute_Kind_Of;
+
+ -----------------------
+ -- Attribute_Name_Of --
+ -----------------------
+
+ function Attribute_Name_Of (Attribute : Attribute_Node_Id) return Name_Id is
+ begin
+ if Attribute = Empty_Attribute then
+ return No_Name;
+ else
+ return Attrs.Table (Attribute.Value).Name;
+ end if;
+ end Attribute_Name_Of;
+
+ --------------------------
+ -- Attribute_Node_Id_Of --
+ --------------------------
+
+ function Attribute_Node_Id_Of
+ (Name : Name_Id;
+ Starting_At : Attribute_Node_Id) return Attribute_Node_Id
+ is
+ Id : Attr_Node_Id := Starting_At.Value;
+
+ begin
+ while Id /= Empty_Attr
+ and then Attrs.Table (Id).Name /= Name
+ loop
+ Id := Attrs.Table (Id).Next;
+ end loop;
+
+ return (Value => Id);
+ end Attribute_Node_Id_Of;
+
----------------
-- Initialize --
----------------
procedure Initialize is
- Start : Positive := Initialization_Data'First;
- Finish : Positive := Start;
- Current_Package : Package_Node_Id := Empty_Package;
- Current_Attribute : Attribute_Node_Id := Empty_Attribute;
- Is_An_Attribute : Boolean := False;
- Kind_1 : Variable_Kind := Undefined;
- Optional_Index : Boolean := False;
- Kind_2 : Attribute_Kind := Single;
- Package_Name : Name_Id := No_Name;
- Attribute_Name : Name_Id := No_Name;
- First_Attribute : Attribute_Node_Id := Attribute_First;
+ Start : Positive := Initialization_Data'First;
+ Finish : Positive := Start;
+ Current_Package : Pkg_Node_Id := Empty_Pkg;
+ Current_Attribute : Attr_Node_Id := Empty_Attr;
+ Is_An_Attribute : Boolean := False;
+ Var_Kind : Variable_Kind := Undefined;
+ Optional_Index : Boolean := False;
+ Attr_Kind : Attribute_Kind := Single;
+ Package_Name : Name_Id := No_Name;
+ Attribute_Name : Name_Id := No_Name;
+ First_Attribute : Attr_Node_Id := Attr.First_Attribute;
+
+ function Attribute_Location return String;
+ -- Returns a string depending if we are in the project level attributes
+ -- or in the attributes of a package.
+
+ ------------------------
+ -- Attribute_Location --
+ ------------------------
+
+ function Attribute_Location return String is
+ begin
+ if Package_Name = No_Name then
+ return "project level attributes";
+
+ else
+ return "attribute of package """ &
+ Get_Name_String (Package_Name) & """";
+ end if;
+ end Attribute_Location;
+
+ -- Start of processing for Initialize
begin
+ -- Don't allow Initialize action to be repeated
+
+ if Initialized then
+ return;
+ end if;
+
-- Make sure the two tables are empty
- Attributes.Init;
+ Attrs.Init;
Package_Attributes.Init;
while Initialization_Data (Start) /= '#' loop
Finish := Finish + 1;
end loop;
- Name_Len := Finish - Start;
- Name_Buffer (1 .. Name_Len) :=
- To_Lower (Initialization_Data (Start .. Finish - 1));
- Package_Name := Name_Find;
+ Package_Name :=
+ Name_Id_Of (Initialization_Data (Start .. Finish - 1));
- for Index in Package_First .. Package_Attributes.Last loop
+ for Index in First_Package .. Package_Attributes.Last loop
if Package_Name = Package_Attributes.Table (Index).Name then
- Write_Line ("Duplicate package name """ &
- Initialization_Data (Start .. Finish - 1) &
- """ in Prj.Attr body.");
- raise Program_Error;
+ Osint.Fail ("duplicate name """,
+ Initialization_Data (Start .. Finish - 1),
+ """ in predefined packages.");
end if;
end loop;
Is_An_Attribute := False;
- Current_Attribute := Empty_Attribute;
+ Current_Attribute := Empty_Attr;
Package_Attributes.Increment_Last;
Current_Package := Package_Attributes.Last;
- Package_Attributes.Table (Current_Package).Name :=
- Package_Name;
+ Package_Attributes.Table (Current_Package) :=
+ (Name => Package_Name,
+ Known => True,
+ First_Attribute => Empty_Attr);
Start := Finish + 1;
when 'S' =>
- Kind_1 := Single;
+ Var_Kind := Single;
Optional_Index := False;
when 's' =>
- Kind_1 := Single;
+ Var_Kind := Single;
Optional_Index := True;
when 'L' =>
- Kind_1 := List;
+ Var_Kind := List;
Optional_Index := False;
when 'l' =>
- Kind_1 := List;
+ Var_Kind := List;
Optional_Index := True;
when others =>
Start := Start + 1;
case Initialization_Data (Start) is
when 'V' =>
- Kind_2 := Single;
+ Attr_Kind := Single;
when 'A' =>
- Kind_2 := Associative_Array;
+ Attr_Kind := Associative_Array;
when 'a' =>
- Kind_2 := Case_Insensitive_Associative_Array;
+ Attr_Kind := Case_Insensitive_Associative_Array;
when 'b' =>
- if File_Names_Case_Sensitive then
- Kind_2 := Associative_Array;
+ if Osint.File_Names_Case_Sensitive then
+ Attr_Kind := Associative_Array;
else
- Kind_2 := Case_Insensitive_Associative_Array;
+ Attr_Kind := Case_Insensitive_Associative_Array;
end if;
when 'c' =>
- if File_Names_Case_Sensitive then
- Kind_2 := Optional_Index_Associative_Array;
+ if Osint.File_Names_Case_Sensitive then
+ Attr_Kind := Optional_Index_Associative_Array;
else
- Kind_2 :=
+ Attr_Kind :=
Optional_Index_Case_Insensitive_Associative_Array;
end if;
Finish := Finish + 1;
end loop;
- Name_Len := Finish - Start;
- Name_Buffer (1 .. Name_Len) :=
- To_Lower (Initialization_Data (Start .. Finish - 1));
- Attribute_Name := Name_Find;
- Attributes.Increment_Last;
+ Attribute_Name :=
+ Name_Id_Of (Initialization_Data (Start .. Finish - 1));
+ Attrs.Increment_Last;
- if Current_Attribute = Empty_Attribute then
- First_Attribute := Attributes.Last;
+ if Current_Attribute = Empty_Attr then
+ First_Attribute := Attrs.Last;
- if Current_Package /= Empty_Package then
+ if Current_Package /= Empty_Pkg then
Package_Attributes.Table (Current_Package).First_Attribute
- := Attributes.Last;
+ := Attrs.Last;
end if;
else
-- Check that there are no duplicate attributes
- for Index in First_Attribute .. Attributes.Last - 1 loop
- if Attribute_Name =
- Attributes.Table (Index).Name then
- Write_Line ("Duplicate attribute name """ &
- Initialization_Data (Start .. Finish - 1) &
- """ in Prj.Attr body.");
- raise Program_Error;
+ for Index in First_Attribute .. Attrs.Last - 1 loop
+ if Attribute_Name = Attrs.Table (Index).Name then
+ Osint.Fail ("duplicate attribute """,
+ Initialization_Data (Start .. Finish - 1),
+ """ in " & Attribute_Location);
end if;
end loop;
- Attributes.Table (Current_Attribute).Next :=
- Attributes.Last;
+ Attrs.Table (Current_Attribute).Next :=
+ Attrs.Last;
end if;
- Current_Attribute := Attributes.Last;
- Attributes.Table (Current_Attribute) :=
+ Current_Attribute := Attrs.Last;
+ Attrs.Table (Current_Attribute) :=
(Name => Attribute_Name,
- Kind_1 => Kind_1,
+ Var_Kind => Var_Kind,
Optional_Index => Optional_Index,
- Kind_2 => Kind_2,
- Next => Empty_Attribute);
+ Attr_Kind => Attr_Kind,
+ Next => Empty_Attr);
Start := Finish + 1;
end if;
end loop;
+
+ Initialized := True;
end Initialize;
+ ----------------
+ -- Name_Id_Of --
+ ----------------
+
+ function Name_Id_Of (Name : String) return Name_Id is
+ begin
+ Name_Len := 0;
+ Add_Str_To_Name_Buffer (Name);
+ To_Lower (Name_Buffer (1 .. Name_Len));
+ return Name_Find;
+ end Name_Id_Of;
+
+ --------------------
+ -- Next_Attribute --
+ --------------------
+
+ function Next_Attribute
+ (After : Attribute_Node_Id) return Attribute_Node_Id
+ is
+ begin
+ if After = Empty_Attribute then
+ return Empty_Attribute;
+ else
+ return (Value => Attrs.Table (After.Value).Next);
+ end if;
+ end Next_Attribute;
+
+ -----------------------
+ -- Optional_Index_Of --
+ -----------------------
+
+ function Optional_Index_Of (Attribute : Attribute_Node_Id) return Boolean is
+ begin
+ if Attribute = Empty_Attribute then
+ return False;
+ else
+ return Attrs.Table (Attribute.Value).Optional_Index;
+ end if;
+ end Optional_Index_Of;
+
+ ------------------------
+ -- Package_Node_Id_Of --
+ ------------------------
+
+ function Package_Node_Id_Of (Name : Name_Id) return Package_Node_Id is
+ begin
+ for Index in Package_Attributes.First .. Package_Attributes.Last loop
+ if Package_Attributes.Table (Index).Name = Name then
+ return (Value => Index);
+ end if;
+ end loop;
+
+ -- If there is no package with this name, return Empty_Package
+
+ return Empty_Package;
+ end Package_Node_Id_Of;
+
+ ----------------------------
+ -- Register_New_Attribute --
+ ----------------------------
+
+ procedure Register_New_Attribute
+ (Name : String;
+ In_Package : Package_Node_Id;
+ Attr_Kind : Defined_Attribute_Kind;
+ Var_Kind : Defined_Variable_Kind;
+ Index_Is_File_Name : Boolean := False;
+ Opt_Index : Boolean := False)
+ is
+ Attr_Name : Name_Id;
+ First_Attr : Attr_Node_Id := Empty_Attr;
+ Curr_Attr : Attr_Node_Id;
+ Real_Attr_Kind : Attribute_Kind;
+
+ begin
+ if Name'Length = 0 then
+ Fail ("cannot register an attribute with no name");
+ raise Project_Error;
+ end if;
+
+ if In_Package = Empty_Package then
+ Fail ("attempt to add attribute """, Name,
+ """ to an undefined package");
+ raise Project_Error;
+ end if;
+
+ Attr_Name := Name_Id_Of (Name);
+
+ First_Attr :=
+ Package_Attributes.Table (In_Package.Value).First_Attribute;
+
+ -- Check if attribute name is a duplicate
+
+ Curr_Attr := First_Attr;
+ while Curr_Attr /= Empty_Attr loop
+ if Attrs.Table (Curr_Attr).Name = Attr_Name then
+ Fail ("duplicate attribute name """, Name,
+ """ in package """ &
+ Get_Name_String
+ (Package_Attributes.Table (In_Package.Value).Name) &
+ """");
+ raise Project_Error;
+ end if;
+
+ Curr_Attr := Attrs.Table (Curr_Attr).Next;
+ end loop;
+
+ Real_Attr_Kind := Attr_Kind;
+
+ -- If Index_Is_File_Name, change the attribute kind if necessary
+
+ if Index_Is_File_Name and then not Osint.File_Names_Case_Sensitive then
+ case Attr_Kind is
+ when Associative_Array =>
+ Real_Attr_Kind := Case_Insensitive_Associative_Array;
+
+ when Optional_Index_Associative_Array =>
+ Real_Attr_Kind :=
+ Optional_Index_Case_Insensitive_Associative_Array;
+
+ when others =>
+ null;
+ end case;
+ end if;
+
+ -- Add the new attribute
+
+ Attrs.Increment_Last;
+ Attrs.Table (Attrs.Last) :=
+ (Name => Attr_Name,
+ Var_Kind => Var_Kind,
+ Optional_Index => Opt_Index,
+ Attr_Kind => Real_Attr_Kind,
+ Next => First_Attr);
+ Package_Attributes.Table (In_Package.Value).First_Attribute :=
+ Attrs.Last;
+ end Register_New_Attribute;
+
+ --------------------------
+ -- Register_New_Package --
+ --------------------------
+
+ procedure Register_New_Package (Name : String; Id : out Package_Node_Id) is
+ Pkg_Name : Name_Id;
+
+ begin
+ if Name'Length = 0 then
+ Fail ("cannot register a package with no name");
+ Id := Empty_Package;
+ return;
+ end if;
+
+ Pkg_Name := Name_Id_Of (Name);
+
+ for Index in Package_Attributes.First .. Package_Attributes.Last loop
+ if Package_Attributes.Table (Index).Name = Pkg_Name then
+ Fail ("cannot register a package with a non unique name""",
+ Name, """");
+ Id := Empty_Package;
+ return;
+ end if;
+ end loop;
+
+ Package_Attributes.Increment_Last;
+ Id := (Value => Package_Attributes.Last);
+ Package_Attributes.Table (Package_Attributes.Last) :=
+ (Name => Pkg_Name, Known => True, First_Attribute => Empty_Attr);
+ end Register_New_Package;
+
+ procedure Register_New_Package
+ (Name : String;
+ Attributes : Attribute_Data_Array)
+ is
+ Pkg_Name : Name_Id;
+ Attr_Name : Name_Id;
+ First_Attr : Attr_Node_Id := Empty_Attr;
+ Curr_Attr : Attr_Node_Id;
+ Attr_Kind : Attribute_Kind;
+
+ begin
+ if Name'Length = 0 then
+ Fail ("cannot register a package with no name");
+ raise Project_Error;
+ end if;
+
+ Pkg_Name := Name_Id_Of (Name);
+
+ for Index in Package_Attributes.First .. Package_Attributes.Last loop
+ if Package_Attributes.Table (Index).Name = Pkg_Name then
+ Fail ("cannot register a package with a non unique name""",
+ Name, """");
+ raise Project_Error;
+ end if;
+ end loop;
+
+ for Index in Attributes'Range loop
+ Attr_Name := Name_Id_Of (Attributes (Index).Name);
+
+ Curr_Attr := First_Attr;
+ while Curr_Attr /= Empty_Attr loop
+ if Attrs.Table (Curr_Attr).Name = Attr_Name then
+ Fail ("duplicate attribute name """, Attributes (Index).Name,
+ """ in new package """ & Name & """");
+ raise Project_Error;
+ end if;
+
+ Curr_Attr := Attrs.Table (Curr_Attr).Next;
+ end loop;
+
+ Attr_Kind := Attributes (Index).Attr_Kind;
+
+ if Attributes (Index).Index_Is_File_Name
+ and then not Osint.File_Names_Case_Sensitive
+ then
+ case Attr_Kind is
+ when Associative_Array =>
+ Attr_Kind := Case_Insensitive_Associative_Array;
+
+ when Optional_Index_Associative_Array =>
+ Attr_Kind :=
+ Optional_Index_Case_Insensitive_Associative_Array;
+
+ when others =>
+ null;
+ end case;
+ end if;
+
+ Attrs.Increment_Last;
+ Attrs.Table (Attrs.Last) :=
+ (Name => Attr_Name,
+ Var_Kind => Attributes (Index).Var_Kind,
+ Optional_Index => Attributes (Index).Opt_Index,
+ Attr_Kind => Attr_Kind,
+ Next => First_Attr);
+ First_Attr := Attrs.Last;
+ end loop;
+
+ Package_Attributes.Increment_Last;
+ Package_Attributes.Table (Package_Attributes.Last) :=
+ (Name => Pkg_Name, Known => True, First_Attribute => First_Attr);
+ end Register_New_Package;
+
+ ---------------------------
+ -- Set_Attribute_Kind_Of --
+ ---------------------------
+
+ procedure Set_Attribute_Kind_Of
+ (Attribute : Attribute_Node_Id;
+ To : Attribute_Kind)
+ is
+ begin
+ if Attribute /= Empty_Attribute then
+ Attrs.Table (Attribute.Value).Attr_Kind := To;
+ end if;
+ end Set_Attribute_Kind_Of;
+
+ --------------------------
+ -- Set_Variable_Kind_Of --
+ --------------------------
+
+ procedure Set_Variable_Kind_Of
+ (Attribute : Attribute_Node_Id;
+ To : Variable_Kind)
+ is
+ begin
+ if Attribute /= Empty_Attribute then
+ Attrs.Table (Attribute.Value).Var_Kind := To;
+ end if;
+ end Set_Variable_Kind_Of;
+
+ ----------------------
+ -- Variable_Kind_Of --
+ ----------------------
+
+ function Variable_Kind_Of
+ (Attribute : Attribute_Node_Id) return Variable_Kind
+ is
+ begin
+ if Attribute = Empty_Attribute then
+ return Undefined;
+ else
+ return Attrs.Table (Attribute.Value).Var_Kind;
+ end if;
+ end Variable_Kind_Of;
+
+ ------------------------
+ -- First_Attribute_Of --
+ ------------------------
+
+ function First_Attribute_Of
+ (Pkg : Package_Node_Id) return Attribute_Node_Id
+ is
+ begin
+ if Pkg = Empty_Package then
+ return Empty_Attribute;
+ else
+ return
+ (Value => Package_Attributes.Table (Pkg.Value).First_Attribute);
+ end if;
+ end First_Attribute_Of;
+
end Prj.Attr;
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