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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [gcc/] [ada/] [gnatkr.adb] - Rev 593
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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- G N A T K R -- -- -- -- 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 Ada.Characters.Handling; use Ada.Characters.Handling; with Ada.Command_Line; use Ada.Command_Line; with Gnatvsn; with Krunch; with System.IO; use System.IO; procedure Gnatkr is pragma Ident (Gnatvsn.Gnat_Static_Version_String); Count : Natural; Maxlen : Integer; Exit_Program : exception; function Get_Maximum_File_Name_Length return Integer; pragma Import (C, Get_Maximum_File_Name_Length, "__gnat_get_maximum_file_name_length"); begin Count := Argument_Count; if Count < 1 or else Count > 2 then Put_Line ("Usage: gnatkr filename[.extension] [krunch-count]"); raise Exit_Program; else -- If the length (krunch-count) argument is omitted use the system -- default if there is one, otherwise use 8. if Count = 1 then Maxlen := Get_Maximum_File_Name_Length; if Maxlen = -1 then Maxlen := 8; end if; else Maxlen := 0; for J in Argument (2)'Range loop if Argument (2) (J) /= ' ' then if Argument (2) (J) not in '0' .. '9' then Put_Line ("Illegal argument for krunch-count"); raise Exit_Program; else Maxlen := Maxlen * 10 + Character'Pos (Argument (2) (J)) - Character'Pos ('0'); end if; end if; end loop; -- Zero means crunch only system files if Maxlen = 0 then Maxlen := Natural'Last; end if; end if; declare Fname : String := Argument (1); Klen : Natural := Fname'Length; Extp : Boolean := False; -- True if extension is present Ext : Natural := 0; -- If extension is present, points to it (init to prevent warning) begin -- Remove extension if present (an extension is defined as the -- section of the file name after the last dot in the name. If -- there is no dot in the name, then -- name is all lower case and contains no other instances of dots) for J in reverse 1 .. Klen loop if Fname (J) = '.' then Extp := True; Ext := J; Klen := J - 1; exit; end if; end loop; -- Fold to lower case and replace dots by dashes for J in 1 .. Klen loop Fname (J) := To_Lower (Fname (J)); if Fname (J) = '.' then Fname (J) := '-'; end if; end loop; Krunch (Fname, Klen, Maxlen, False); Put (Fname (1 .. Klen)); if Extp then Put (Fname (Ext .. Fname'Length)); end if; New_Line; end; end if; Set_Exit_Status (Success); exception when Exit_Program => Set_Exit_Status (Failure); end Gnatkr;
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