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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- C A S I N G -- -- -- -- S p e c -- -- -- -- Copyright (C) 1992-2009 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. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are granted -- -- additional permissions described in the GCC Runtime Library Exception, -- -- version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- <http://www.gnu.org/licenses/>. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ with Types; use Types; package Casing is -- This package contains data and subprograms to support the feature that -- recognizes the letter case styles used in the source program being -- compiled, and uses this information for error message formatting, and -- for recognizing reserved words that are misused as identifiers. ------------------------------- -- Case Control Declarations -- ------------------------------- -- Declaration of type for describing casing convention type Casing_Type is ( All_Upper_Case, -- All letters are upper case All_Lower_Case, -- All letters are lower case Mixed_Case, -- The initial letter, and any letters after underlines are upper case. -- All other letters are lower case Unknown -- Used if an identifier does not distinguish between the above cases, -- (e.g. X, Y_3, M4, A_B, or if it is inconsistent ABC_def). ); ------------------------------ -- Case Control Subprograms -- ------------------------------ procedure Set_Casing (C : Casing_Type; D : Casing_Type := Mixed_Case); -- Takes the name stored in the first Name_Len positions of Name_Buffer -- and modifies it to be consistent with the casing given by C, or if -- C = Unknown, then with the casing given by D. The name is basically -- treated as an identifier, except that special separator characters -- other than underline are permitted and treated like underlines (this -- handles cases like minus and period in unit names, apostrophes in error -- messages, angle brackets in names like <any_type>, etc). procedure Set_All_Upper_Case; pragma Inline (Set_All_Upper_Case); -- This procedure is called with an identifier name stored in Name_Buffer. -- On return, the identifier is converted to all upper case. The call is -- equivalent to Set_Casing (All_Upper_Case). function Determine_Casing (Ident : Text_Buffer) return Casing_Type; -- Determines the casing of the identifier/keyword string Ident end Casing;