1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1992-2003 Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 2, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
22 -- GNAT was originally developed by the GNAT team at New York University. --
23 -- Extensive contributions were provided by Ada Core Technologies Inc. --
25 ------------------------------------------------------------------------------
27 with Ada.Characters.Handling; use Ada.Characters.Handling;
28 with Ada.Command_Line; use Ada.Command_Line;
31 with System.IO; use System.IO;
34 pragma Ident (Gnatvsn.Gnat_Static_Version_String);
38 Exit_Program : exception;
40 function Get_Maximum_File_Name_Length return Integer;
41 pragma Import (C, Get_Maximum_File_Name_Length,
42 "__gnat_get_maximum_file_name_length");
45 Count := Argument_Count;
47 if Count < 1 or else Count > 2 then
48 Put_Line ("Usage: gnatkr filename[.extension] [krunch-count]");
52 -- If the length (krunch-count) argument is omitted use the system
53 -- default if there is one, otherwise use 8.
56 Maxlen := Get_Maximum_File_Name_Length;
65 for J in Argument (2)'Range loop
66 if Argument (2) (J) /= ' ' then
67 if Argument (2) (J) not in '0' .. '9' then
68 Put_Line ("Illegal argument for krunch-count");
71 Maxlen := Maxlen * 10 +
72 Character'Pos (Argument (2) (J)) - Character'Pos ('0');
77 -- Zero means crunch only system files
80 Maxlen := Natural'Last;
86 Fname : String := Argument (1);
87 Klen : Natural := Fname'Length;
89 Extp : Boolean := False;
90 -- True if extension is present
93 -- If extension is present, points to it (init to prevent warning)
96 -- Remove extension if present (an extension is defined as the
97 -- section of the file name after the last dot in the name. If
98 -- there is no dot in the name, then
99 -- name is all lower case and contains no other instances of dots)
101 for J in reverse 1 .. Klen loop
102 if Fname (J) = '.' then
110 -- Fold to lower case and replace dots by dashes
112 for J in 1 .. Klen loop
113 Fname (J) := To_Lower (Fname (J));
115 if Fname (J) = '.' then
120 Krunch (Fname, Klen, Maxlen, False);
122 Put (Fname (1 .. Klen));
125 Put (Fname (Ext .. Fname'Length));
132 Set_Exit_Status (Success);
136 Set_Exit_Status (Failure);