1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1998-2002 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, 59 Temple Place - Suite 330, Boston, --
20 -- MA 02111-1307, USA. --
22 ------------------------------------------------------------------------------
24 with Xr_Tabls; use Xr_Tabls;
25 with Xref_Lib; use Xref_Lib;
26 with Osint; use Osint;
27 with Types; use Types;
32 with Ada.Strings.Fixed; use Ada.Strings.Fixed;
33 with Ada.Text_IO; use Ada.Text_IO;
34 with GNAT.Command_Line; use GNAT.Command_Line;
38 Search_Unused : Boolean := False;
39 Local_Symbols : Boolean := True;
40 Prj_File : File_Name_String;
41 Prj_File_Length : Natural := 0;
42 Usage_Error : exception;
43 Full_Path_Name : Boolean := False;
44 Vi_Mode : Boolean := False;
45 Read_Only : Boolean := False;
46 Have_File : Boolean := False;
47 Der_Info : Boolean := False;
49 procedure Parse_Cmd_Line;
50 -- Parse every switch on the command line
52 procedure Write_Usage;
53 -- Print a small help page for program usage
59 procedure Parse_Cmd_Line is
63 GNAT.Command_Line.Getopt
64 ("a aI: aO: d f g h I: nostdinc nostdlib p: u v -RTS=")
70 if GNAT.Command_Line.Full_Switch = "a" then
73 elsif GNAT.Command_Line.Full_Switch = "aI" then
74 Osint.Add_Src_Search_Dir (GNAT.Command_Line.Parameter);
77 Osint.Add_Lib_Search_Dir (GNAT.Command_Line.Parameter);
84 Full_Path_Name := True;
87 Local_Symbols := False;
93 Osint.Add_Src_Search_Dir (GNAT.Command_Line.Parameter);
94 Osint.Add_Lib_Search_Dir (GNAT.Command_Line.Parameter);
97 if GNAT.Command_Line.Full_Switch = "nostdinc" then
98 Opt.No_Stdinc := True;
99 elsif GNAT.Command_Line.Full_Switch = "nostlib" then
100 Opt.No_Stdlib := True;
105 S : constant String := GNAT.Command_Line.Parameter;
108 Prj_File_Length := S'Length;
109 Prj_File (1 .. Prj_File_Length) := S;
113 Search_Unused := True;
118 Search_Unused := False;
120 -- The only switch starting with -- recognized is --RTS
123 Opt.No_Stdinc := True;
124 Opt.RTS_Switch := True;
127 Src_Path_Name : String_Ptr :=
129 (GNAT.Command_Line.Parameter, Include);
131 Lib_Path_Name : String_Ptr :=
133 (GNAT.Command_Line.Parameter, Objects);
136 if Src_Path_Name /= null and then Lib_Path_Name /= null then
137 Add_Search_Dirs (Src_Path_Name, Include);
138 Add_Search_Dirs (Lib_Path_Name, Objects);
140 elsif Src_Path_Name = null and then Lib_Path_Name = null then
141 Osint.Fail ("RTS path not valid: missing " &
142 "adainclude and adalib directories");
144 elsif Src_Path_Name = null then
145 Osint.Fail ("RTS path not valid: missing " &
146 "adainclude directory");
148 elsif Lib_Path_Name = null then
149 Osint.Fail ("RTS path not valid: missing " &
159 -- Get the other arguments
163 S : constant String := GNAT.Command_Line.Get_Argument;
166 exit when S'Length = 0;
168 if Ada.Strings.Fixed.Index (S, ":") /= 0 then
170 ("Only file names are allowed on the command line");
180 when GNAT.Command_Line.Invalid_Switch =>
181 Ada.Text_IO.Put_Line ("Invalid switch : "
182 & GNAT.Command_Line.Full_Switch);
185 when GNAT.Command_Line.Invalid_Parameter =>
186 Ada.Text_IO.Put_Line ("Parameter missing for : "
187 & GNAT.Command_Line.Full_Switch);
195 procedure Write_Usage is
199 Put_Line ("GNATXREF " & Gnatvsn.Gnat_Version_String
200 & " Copyright 1998-2002, Ada Core Technologies Inc.");
201 Put_Line ("Usage: gnatxref [switches] file1 file2 ...");
203 Put_Line (" file ... list of source files to xref, " &
204 "including with'ed units");
206 Put_Line ("gnatxref switches:");
207 Put_Line (" -a Consider all files, even when the ali file is"
209 Put_Line (" -aIdir Specify source files search path");
210 Put_Line (" -aOdir Specify library/object files search path");
211 Put_Line (" -d Output derived type information");
212 Put_Line (" -f Output full path name");
213 Put_Line (" -g Output information only for global symbols");
214 Put_Line (" -Idir Like -aIdir -aOdir");
215 Put_Line (" -nostdinc Don't look for sources in the system default"
217 Put_Line (" -nostdlib Don't look for library files in the system"
218 & " default directory");
219 Put_Line (" --RTS=dir specify the default source and object search"
221 Put_Line (" -p file Use file as the default project file");
222 Put_Line (" -u List unused entities");
223 Put_Line (" -v Print a 'tags' file for vi");
232 if not Have_File then
236 Xr_Tabls.Set_Default_Match (True);
238 -- Find the project file
240 if Prj_File_Length = 0 then
241 Xr_Tabls.Create_Project_File
242 (Default_Project_File (Osint.To_Host_Dir_Spec (".", False).all));
244 Xr_Tabls.Create_Project_File (Prj_File (1 .. Prj_File_Length));
249 Search_Xref (Local_Symbols, Read_Only, Der_Info);
251 if Search_Unused then
252 Print_Unused (Full_Path_Name);
254 Print_Vi (Full_Path_Name);
256 Print_Xref (Full_Path_Name);