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------------------------------------------------------------------------------

--                                                                          --

--                         GNAT COMPILER COMPONENTS                         --

--                                                                          --

--                              S E M _ C H 2                               --

--                                                                          --

--                                 B o d y                                  --

--                                                                          --

--          Copyright (C) 1992-2011, 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 Sem_Dim;  use Sem_Dim;

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;

      Analyze_Dimension (N);

   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;