+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- C A S I N G --
--- --
--- B o d y --
--- --
--- $Revision: 1.1.16.1 $
--- --
--- Copyright (C) 1992-2001 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 2, 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 COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
-with Csets; use Csets;
-with Namet; use Namet;
-with Opt; use Opt;
-with Types; use Types;
-with Widechar; use Widechar;
-
-package body Casing is
-
- ----------------------
- -- Determine_Casing --
- ----------------------
-
- function Determine_Casing (Ident : Text_Buffer) return Casing_Type is
-
- All_Lower : Boolean := True;
- -- Set False if upper case letter found
-
- All_Upper : Boolean := True;
- -- Set False if lower case letter found
-
- Mixed : Boolean := True;
- -- Set False if exception to mixed case rule found (lower case letter
- -- at start or after underline, or upper case letter elsewhere).
-
- Decisive : Boolean := False;
- -- Set True if at least one instance of letter not after underline
-
- After_Und : Boolean := True;
- -- True at start of string, and after an underline character
-
- begin
- for S in Ident'Range loop
- if Ident (S) = '_' or else Ident (S) = '.' then
- After_Und := True;
-
- elsif Is_Lower_Case_Letter (Ident (S)) then
- All_Upper := False;
-
- if not After_Und then
- Decisive := True;
- else
- After_Und := False;
- Mixed := False;
- end if;
-
- elsif Is_Upper_Case_Letter (Ident (S)) then
- All_Lower := False;
-
- if not After_Und then
- Decisive := True;
- Mixed := False;
- else
- After_Und := False;
- end if;
- end if;
- end loop;
-
- -- Now we can figure out the result from the flags we set in that loop
-
- if All_Lower then
- return All_Lower_Case;
-
- elsif not Decisive then
- return Unknown;
-
- elsif All_Upper then
- return All_Upper_Case;
-
- elsif Mixed then
- return Mixed_Case;
-
- else
- return Unknown;
- end if;
- end Determine_Casing;
-
- ------------------------
- -- Set_All_Upper_Case --
- ------------------------
-
- procedure Set_All_Upper_Case is
- begin
- Set_Casing (All_Upper_Case);
- end Set_All_Upper_Case;
-
- ----------------
- -- Set_Casing --
- ----------------
-
- procedure Set_Casing (C : Casing_Type; D : Casing_Type := Mixed_Case) is
- Ptr : Natural;
-
- Actual_Casing : Casing_Type;
- -- Set from C or D as appropriate
-
- After_Und : Boolean := True;
- -- True at start of string, and after an underline character or after
- -- any other special character that is not a normal identifier char).
-
- begin
- if C /= Unknown then
- Actual_Casing := C;
- else
- Actual_Casing := D;
- end if;
-
- Ptr := 1;
-
- while Ptr <= Name_Len loop
- if Name_Buffer (Ptr) = ASCII.ESC
- or else Name_Buffer (Ptr) = '['
- or else (Upper_Half_Encoding
- and then Name_Buffer (Ptr) in Upper_Half_Character)
- then
- Skip_Wide (Name_Buffer, Ptr);
- After_Und := False;
-
- elsif Name_Buffer (Ptr) = '_'
- or else not Identifier_Char (Name_Buffer (Ptr))
- then
- After_Und := True;
- Ptr := Ptr + 1;
-
- elsif Is_Lower_Case_Letter (Name_Buffer (Ptr)) then
- if Actual_Casing = All_Upper_Case
- or else (After_Und and then Actual_Casing = Mixed_Case)
- then
- Name_Buffer (Ptr) := Fold_Upper (Name_Buffer (Ptr));
- end if;
-
- After_Und := False;
- Ptr := Ptr + 1;
-
- elsif Is_Upper_Case_Letter (Name_Buffer (Ptr)) then
- if Actual_Casing = All_Lower_Case
- or else (not After_Und and then Actual_Casing = Mixed_Case)
- then
- Name_Buffer (Ptr) := Fold_Lower (Name_Buffer (Ptr));
- end if;
-
- After_Und := False;
- Ptr := Ptr + 1;
-
- else -- all other characters
- After_Und := False;
- Ptr := Ptr + 1;
- end if;
- end loop;
- end Set_Casing;
-
-end Casing;
projects / msp430-gcc.git / blobdiff