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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [ada/] [casing.ads] - Blame information for rev 281

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1 281 jeremybenn
------------------------------------------------------------------------------
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--                                                                          --
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--                         GNAT COMPILER COMPONENTS                         --
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--                                                                          --
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--                               C A S I N G                                --
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--                                                                          --
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--                                 S p e c                                  --
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--                                                                          --
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--         Copyright (C) 1992-2009  Free Software Foundation, Inc.          --
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--                                                                          --
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-- GNAT is free software;  you can  redistribute it  and/or modify it under --
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-- terms of the  GNU General Public License as published  by the Free Soft- --
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-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
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-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
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--                                                                          --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception,   --
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-- version 3.1, as published by the Free Software Foundation.               --
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--                                                                          --
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-- You should have received a copy of the GNU General Public License and    --
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-- a copy of the GCC Runtime Library Exception along with this program;     --
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-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
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-- <http://www.gnu.org/licenses/>.                                          --
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--                                                                          --
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-- GNAT was originally developed  by the GNAT team at  New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc.      --
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--                                                                          --
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------------------------------------------------------------------------------
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with Types; use Types;
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package Casing is
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   --  This package contains data and subprograms to support the feature that
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   --  recognizes the letter case styles used in the source program being
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   --  compiled, and uses this information for error message formatting, and
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   --  for recognizing reserved words that are misused as identifiers.
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   -------------------------------
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   -- Case Control Declarations --
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   -------------------------------
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   --  Declaration of type for describing casing convention
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   type Casing_Type is (
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      All_Upper_Case,
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      --  All letters are upper case
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      All_Lower_Case,
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      --  All letters are lower case
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      Mixed_Case,
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      --  The initial letter, and any letters after underlines are upper case.
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      --  All other letters are lower case
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      Unknown
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      --  Used if an identifier does not distinguish between the above cases,
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      --  (e.g. X, Y_3, M4, A_B, or if it is inconsistent ABC_def).
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   );
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   ------------------------------
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   -- Case Control Subprograms --
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   ------------------------------
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   procedure Set_Casing (C : Casing_Type; D : Casing_Type := Mixed_Case);
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   --  Takes the name stored in the first Name_Len positions of Name_Buffer
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   --  and modifies it to be consistent with the casing given by C, or if
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   --  C = Unknown, then with the casing given by D. The name is basically
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   --  treated as an identifier, except that special separator characters
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   --  other than underline are permitted and treated like underlines (this
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   --  handles cases like minus and period in unit names, apostrophes in error
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   --  messages, angle brackets in names like <any_type>, etc).
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   procedure Set_All_Upper_Case;
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   pragma Inline (Set_All_Upper_Case);
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   --  This procedure is called with an identifier name stored in Name_Buffer.
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   --  On return, the identifier is converted to all upper case. The call is
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   --  equivalent to Set_Casing (All_Upper_Case).
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   function Determine_Casing (Ident : Text_Buffer) return Casing_Type;
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   --  Determines the casing of the identifier/keyword string Ident
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end Casing;

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