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------------------------------------------------------------------------------
--                                                                          --
--                         GNAT COMPILER COMPONENTS                         --
--                                                                          --
--                              S E M _ C H 2                               --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--          Copyright (C) 1992-2007, 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- --
-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
-- 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 COPYING3.  If not, go to --
-- http://www.gnu.org/licenses for a complete copy of the license.          --
--                                                                          --
-- GNAT was originally developed  by the GNAT team at  New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc.      --
--                                                                          --
------------------------------------------------------------------------------
 
with Atree;    use Atree;
with Errout;   use Errout;
with Namet;    use Namet;
with Opt;      use Opt;
with Restrict; use Restrict;
with Rident;   use Rident;
with Sem_Ch8;  use Sem_Ch8;
with Sinfo;    use Sinfo;
with Stand;    use Stand;
with Uintp;    use Uintp;
 
package body Sem_Ch2 is
 
   -------------------------------
   -- Analyze_Character_Literal --
   -------------------------------
 
   procedure Analyze_Character_Literal (N : Node_Id) is
   begin
      --  The type is eventually inherited from the context. If expansion
      --  has already established the proper type, do not modify it.
 
      if No (Etype (N)) then
         Set_Etype (N, Any_Character);
      end if;
 
      Set_Is_Static_Expression (N);
 
      if Comes_From_Source (N)
        and then not In_Character_Range (UI_To_CC (Char_Literal_Value (N)))
      then
         Check_Restriction (No_Wide_Characters, N);
      end if;
   end Analyze_Character_Literal;
 
   ------------------------
   -- Analyze_Identifier --
   ------------------------
 
   procedure Analyze_Identifier (N : Node_Id) is
   begin
      --  Ignore call if prior errors, and identifier has no name, since
      --  this is the result of some kind of previous error generating a
      --  junk identifier.
 
      if Chars (N) in Error_Name_Or_No_Name
        and then Total_Errors_Detected /= 0
      then
         return;
      else
         Find_Direct_Name (N);
      end if;
   end Analyze_Identifier;
 
   -----------------------------
   -- Analyze_Integer_Literal --
   -----------------------------
 
   procedure Analyze_Integer_Literal (N : Node_Id) is
   begin
      Set_Etype (N, Universal_Integer);
      Set_Is_Static_Expression (N);
   end Analyze_Integer_Literal;
 
   --------------------------
   -- Analyze_Real_Literal --
   --------------------------
 
   procedure Analyze_Real_Literal (N : Node_Id) is
   begin
      Set_Etype (N, Universal_Real);
      Set_Is_Static_Expression (N);
   end Analyze_Real_Literal;
 
   ----------------------------
   -- Analyze_String_Literal --
   ----------------------------
 
   procedure Analyze_String_Literal (N : Node_Id) is
   begin
      --  The type is eventually inherited from the context. If expansion
      --  has already established the proper type, do not modify it.
 
      if No (Etype (N)) then
         Set_Etype (N, Any_String);
      end if;
 
      --  String literals are static in Ada 95. Note that if the subtype
      --  turns out to be non-static, then the Is_Static_Expression flag
      --  will be reset in Eval_String_Literal.
 
      if Ada_Version >= Ada_95 then
         Set_Is_Static_Expression (N);
      end if;
 
      if Comes_From_Source (N) and then Has_Wide_Character (N) then
         Check_Restriction (No_Wide_Characters, N);
      end if;
   end Analyze_String_Literal;
 
end Sem_Ch2;