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-------------------------------------------------------------------------------
--
-- Copyright (C) 1999 Jim Hopper & Ted Dennison
--
-- This file uses the OpenToken package and is based upon one of its examples.
--
-- The Ada_Count program is free software; you can redistribute it and/or
-- modify it under the terms of the GNU General Public License as published
-- by the Free Software Foundation; either version 3, or (at your option)
-- any later version. The Ada_Count program is distributed in the hope that
-- it will be useful, but WITHOUT 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 the OpenToken
-- package; see file GPL.txt. 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.
-------------------------------------------------------------------------------
with Ada.Text_IO;
with Ada.Integer_Text_IO;
with Ada.Command_Line;
with Ada.Strings.Fixed;
with Ada_Lexer; use Ada_Lexer;
procedure Ada_Count is
-- The revision keyword automaticly gets the current CVS revision
-- of this package when we check it out of clearcase. The revision
-- string itself is the slice from the ':' to the '$'.
Revision_Keyword : constant String := "$Revision: 1.4 $";
Revision : constant String := Revision_Keyword (12 .. Revision_Keyword'Length - 2);
SLOC : Integer := 0;
Comment_Count : Integer := 0;
Line_Count : Integer := 0;
----------------------------------------------------------------------------
-- Print a description of the proper usage of this program
----------------------------------------------------------------------------
procedure Print_Usage is
begin
Ada.Text_IO.Put_Line
("usage: " & Ada.Command_Line.Command_Name & " [-f]filename [[-f]filename ...]");
Ada.Text_IO.Put_Line
(" Count the Software Lines Of Code in the listed source files.");
Ada.Text_IO.Put_Line (" Options: -ffilename");
Ada.Text_IO.Put_Line (" filename contains a return-separated list of source files.");
Ada.Text_IO.New_Line;
Ada.Text_IO.Put_Line
("usage: " & Ada.Command_Line.Command_Name & " [--help]");
Ada.Text_IO.Put_Line
(" Print out this message");
Ada.Text_IO.New_Line;
Ada.Text_IO.Put_Line (" For each source file counted, this program reports the number of lines of");
Ada.Text_IO.Put_Line ("code, lines of text, and comments. A grand total for each of the above is");
Ada.Text_IO.Put_Line ("reported at the end. A SLOC is considered an occurance of a semicolon (';')");
Ada.Text_IO.Put_Line ("that is not part of another token (eg: not in a comment or string or character");
Ada.Text_IO.Put_Line ("literal), and is not part of a parameter list. It is *not* able to automaticly");
Ada.Text_IO.Put_Line ("count entire directories, as there is currently no portable way to get a");
Ada.Text_IO.Put_Line ("directory listing. To use it in this way on Unix you can pipe it the output of");
Ada.Text_IO.Put_Line ("a ""find"" command.");
Ada.Text_IO.New_Line;
Ada.Text_IO.Put_Line ("This program is copyright (C) 1999 Jim Hopper & Ted Dennison. It is distributed");
Ada.Text_IO.Put_Line ("under the terms of the GMGPL as part of the OpenToken package. See the source");
Ada.Text_IO.Put_Line ("header for full distribution and (un)warranty terms.");
end Print_Usage;
----------------------------------------------------------------------------
-- Parse the source file.
-- This produces a count of all semicolon tokens that are not between a
-- set of parentheses (and are not part of another Ada token like a
-- string, of course). It also keeps track of the number of comment
-- lines encountered.
----------------------------------------------------------------------------
procedure Count (Filename : String) is
Local_SLOC : Integer := 0;
Local_Comment_Count : Integer := 0;
Paren_Count : Integer := 0;
-- Text file for reading parse data
File : Ada.Text_IO.File_Type;
begin
-- Open the file for reading
Ada.Text_IO.Open
(File => File,
Mode => Ada.Text_IO.In_File,
Name => Filename);
Set_Input_Feeder (File);
Bad_Token_on_Syntax_Error;
-- Count statements and comments
loop
begin
Find_Next;
case Token_ID is
when Semicolon_T =>
if Paren_Count = 0 then
Local_SLOC := Local_SLOC + 1;
end if;
when Left_Parenthesis_T =>
Paren_Count := Paren_Count + 1;
when Right_Parenthesis_T =>
Paren_Count := Paren_Count - 1;
when Comment_T =>
Local_Comment_Count := Local_Comment_Count + 1;
when others =>
null;
end case;
end;
exit when Token_ID = End_of_File_T;
end loop;
-- Print the local results
Ada.Text_IO.Put (Filename);
Ada.Text_IO.Set_Col (43);
Ada.Integer_Text_IO.Put (Item => Local_SLOC, Width => 10);
Ada.Text_IO.Set_Col (56);
Ada.Integer_Text_IO.Put (Item => Line - Line_Count, Width => 10);
Line_Count := Line;
Ada.Text_IO.Set_Col (67);
Ada.Integer_Text_IO.Put (Item => Local_Comment_Count, Width => 10);
Ada.Text_IO.New_Line;
Ada.Text_IO.Close (File => File);
-- Update the global results
SLOC := SLOC + Local_SLOC;
Comment_Count := Comment_Count + Local_Comment_Count;
end Count;
procedure Count_From_File (File_Of_Filenames : in String) is
File_List : Ada.Text_IO.File_Type;
File_Name : String (1 .. 1024);
Name_Size : Natural;
begin
-- Open the file for reading
Ada.Text_IO.Open
(File => File_List,
Mode => Ada.Text_IO.In_File,
Name => File_Of_Filenames);
while not Ada.Text_IO.End_Of_File (File_List) loop
Ada.Text_IO.Get_Line
(File => File_List,
Item => File_Name,
Last => Name_Size
);
Count (File_Name (1 .. Name_Size));
end loop;
Ada.Text_IO.Close (File_List);
exception
when Ada.Text_IO.End_Error =>
Ada.Text_IO.Close (File_List);
end Count_From_File;
begin
-- Verify the arguments
if
Ada.Command_Line.Argument_Count = 0 or else
Ada.Command_Line.Argument (1) = "--help"
then
Print_Usage;
return;
end if;
-- Modify the Ada syntax to report comments
Set_Comments_Reportable (True);
-- Print out a header line
Ada.Text_IO.New_Line;
Ada.Text_IO.Put_Line ("Open_Token Ada SLOC Counter " & Revision);
Ada.Text_IO.New_Line;
Ada.Text_IO.Put ("Filename");
Ada.Text_IO.Set_Col (49);
Ada.Text_IO.Put ("SLOC");
Ada.Text_IO.Set_Col (55);
Ada.Text_IO.Put ("Total Lines");
Ada.Text_IO.Set_Col (69);
Ada.Text_IO.Put ("Comments");
Ada.Text_IO.New_Line;
Ada.Text_IO.Put_Line ("----------------------------------------------------------------------------");
-- Count from all the files listed on the command line
for Arg_Num in 1 .. Ada.Command_Line.Argument_Count loop
if Ada.Strings.Fixed.Head
(Source => Ada.Command_Line.Argument (Arg_Num),
Count => 2) = "-f"
then
Count_From_File
(Ada.Strings.Fixed.Tail
(Source => Ada.Command_Line.Argument (Arg_Num),
Count => Ada.Command_Line.Argument (Arg_Num)'Length - 2)
);
else
Count (Ada.Command_Line.Argument (Arg_Num));
end if;
end loop;
-- Print out a trailer, and the accumulated totals
Ada.Text_IO.Put_Line ("----------------------------------------------------------------------------");
Ada.Text_IO.Set_Col (43);
Ada.Integer_Text_IO.Put (Item => SLOC, Width => 10);
Ada.Text_IO.Set_Col (56);
Ada.Integer_Text_IO.Put (Item => Line, Width => 10);
Ada.Text_IO.Set_Col (67);
Ada.Integer_Text_IO.Put (Item => Comment_Count, Width => 10);
Ada.Text_IO.New_Line;
end Ada_Count;
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