1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1998-2004 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 -- 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 Xr_Tabls; use Xr_Tabls;
28 with Xref_Lib; use Xref_Lib;
29 with Osint; use Osint;
30 with Types; use Types;
35 with Ada.Strings.Fixed; use Ada.Strings.Fixed;
36 with Ada.Text_IO; use Ada.Text_IO;
37 with GNAT.Command_Line; use GNAT.Command_Line;
38 with GNAT.Strings; use GNAT.Strings;
45 Output_Ref : Boolean := False;
46 Pattern : Xref_Lib.Search_Pattern;
47 Local_Symbols : Boolean := True;
48 Prj_File : File_Name_String;
49 Prj_File_Length : Natural := 0;
50 Nb_File : Natural := 0;
51 Usage_Error : exception;
52 Full_Path_Name : Boolean := False;
53 Have_Entity : Boolean := False;
54 Wide_Search : Boolean := True;
55 Glob_Mode : Boolean := True;
56 Der_Info : Boolean := False;
57 Type_Tree : Boolean := False;
58 Read_Only : Boolean := False;
59 Source_Lines : Boolean := False;
61 Has_File_In_Entity : Boolean := False;
62 -- Will be true if a file name was specified in the entity
64 RTS_Specified : String_Access := null;
65 -- Used to detect multiple use of --RTS= switch
67 procedure Parse_Cmd_Line;
68 -- Parse every switch on the command line
70 procedure Write_Usage;
71 -- Print a small help page for program usage
77 procedure Parse_Cmd_Line is
81 GNAT.Command_Line.Getopt
82 ("a aI: aO: d e f g h I: nostdinc nostdlib p: r s t -RTS=")
88 if GNAT.Command_Line.Full_Switch = "a" then
91 elsif GNAT.Command_Line.Full_Switch = "aI" then
92 Osint.Add_Src_Search_Dir (GNAT.Command_Line.Parameter);
95 Osint.Add_Lib_Search_Dir (GNAT.Command_Line.Parameter);
105 Full_Path_Name := True;
108 Local_Symbols := False;
114 Osint.Add_Src_Search_Dir (GNAT.Command_Line.Parameter);
115 Osint.Add_Lib_Search_Dir (GNAT.Command_Line.Parameter);
118 if GNAT.Command_Line.Full_Switch = "nostdinc" then
119 Opt.No_Stdinc := True;
121 elsif GNAT.Command_Line.Full_Switch = "nostlib" then
122 Opt.No_Stdlib := True;
127 S : constant String := GNAT.Command_Line.Parameter;
130 Prj_File_Length := S'Length;
131 Prj_File (1 .. Prj_File_Length) := S;
138 Source_Lines := True;
143 -- Only switch starting with -- recognized is --RTS
146 -- Check that it is the first time we see this switch
148 if RTS_Specified = null then
149 RTS_Specified := new String'(GNAT.Command_Line.Parameter);
151 elsif RTS_Specified.all /= GNAT.Command_Line.Parameter then
152 Osint.Fail ("--RTS cannot be specified multiple times");
155 Opt.No_Stdinc := True;
156 Opt.RTS_Switch := True;
159 Src_Path_Name : constant String_Ptr :=
161 (GNAT.Command_Line.Parameter, Include);
162 Lib_Path_Name : constant String_Ptr :=
164 (GNAT.Command_Line.Parameter, Objects);
167 if Src_Path_Name /= null and then Lib_Path_Name /= null then
168 Add_Search_Dirs (Src_Path_Name, Include);
169 Add_Search_Dirs (Lib_Path_Name, Objects);
171 elsif Src_Path_Name = null and then Lib_Path_Name = null then
172 Osint.Fail ("RTS path not valid: missing " &
173 "adainclude and adalib directories");
175 elsif Src_Path_Name = null then
176 Osint.Fail ("RTS path not valid: missing " &
177 "adainclude directory");
179 elsif Lib_Path_Name = null then
180 Osint.Fail ("RTS path not valid: missing " &
190 -- Get the other arguments
194 S : constant String := GNAT.Command_Line.Get_Argument;
197 exit when S'Length = 0;
199 -- First argument is the pattern
201 if not Have_Entity then
202 Add_Entity (Pattern, S, Glob_Mode);
205 if not Has_File_In_Entity
206 and then Index (S, ":") /= 0
208 Has_File_In_Entity := True;
211 -- Next arguments are the files to search
215 Wide_Search := False;
216 Nb_File := Nb_File + 1;
222 when GNAT.Command_Line.Invalid_Switch =>
223 Ada.Text_IO.Put_Line ("Invalid switch : "
224 & GNAT.Command_Line.Full_Switch);
227 when GNAT.Command_Line.Invalid_Parameter =>
228 Ada.Text_IO.Put_Line ("Parameter missing for : "
229 & GNAT.Command_Line.Full_Switch);
232 when Xref_Lib.Invalid_Argument =>
233 Ada.Text_IO.Put_Line ("Invalid line or column in the pattern");
241 procedure Write_Usage is
243 Put_Line ("GNATFIND " & Gnatvsn.Gnat_Version_String);
244 Put_Line ("Copyright 1998-2004, Ada Core Technologies Inc.");
245 Put_Line ("Usage: gnatfind pattern[:sourcefile[:line[:column]]] "
246 & "[file1 file2 ...]");
248 Put_Line (" pattern Name of the entity to look for (can have "
250 Put_Line (" sourcefile Only find entities referenced from this "
252 Put_Line (" line Only find entities referenced from this line "
254 Put_Line (" column Only find entities referenced from this columns"
256 Put_Line (" file ... Set of Ada source files to search for "
257 & "references. This parameters are optional");
259 Put_Line ("gnatfind switches:");
260 Put_Line (" -a Consider all files, even when the ali file is "
262 Put_Line (" -aIdir Specify source files search path");
263 Put_Line (" -aOdir Specify library/object files search path");
264 Put_Line (" -d Output derived type information");
265 Put_Line (" -e Use the full regular expression set for "
267 Put_Line (" -f Output full path name");
268 Put_Line (" -g Output information only for global symbols");
269 Put_Line (" -Idir Like -aIdir -aOdir");
270 Put_Line (" -nostdinc Don't look for sources in the system default"
272 Put_Line (" -nostdlib Don't look for library files in the system"
273 & " default directory");
274 Put_Line (" --RTS=dir specify the default source and object search"
276 Put_Line (" -p file Use file as the default project file");
277 Put_Line (" -r Find all references (default to find declaration"
279 Put_Line (" -s Print source line");
280 Put_Line (" -t Print type hierarchy");
286 -- Start of processing for Gnatfind
291 if not Have_Entity then
295 -- Special case to speed things up: if the user has a command line of the
296 -- form 'gnatfind entity:file', ie has specified a file and only wants the
297 -- bodies and specs, then we can restrict the search to the .ali file
298 -- associated with 'file'.
300 if Has_File_In_Entity
301 and then not Output_Ref
303 Wide_Search := False;
306 -- Find the project file
308 if Prj_File_Length = 0 then
309 Xr_Tabls.Create_Project_File (Default_Project_File ("."));
311 Xr_Tabls.Create_Project_File (Prj_File (1 .. Prj_File_Length));
316 if Type_Tree and then Nb_File > 1 then
317 Ada.Text_IO.Put_Line ("Error: for type hierarchy output you must "
318 & "specify only one file.");
319 Ada.Text_IO.New_Line;
323 Search (Pattern, Local_Symbols, Wide_Search, Read_Only,
324 Der_Info, Type_Tree);
327 Xr_Tabls.Grep_Source_Files;
330 Print_Gnatfind (Output_Ref, Full_Path_Name);