1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1998-2007, 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 ------------------------------------------------------------------------------
28 with Osint; use Osint;
29 with Switch; use Switch;
30 with Types; use Types;
31 with Xr_Tabls; use Xr_Tabls;
32 with Xref_Lib; use Xref_Lib;
34 with Ada.Strings.Fixed; use Ada.Strings.Fixed;
35 with Ada.Text_IO; use Ada.Text_IO;
37 with GNAT.Command_Line; use GNAT.Command_Line;
39 with System.Strings; use System.Strings;
46 Output_Ref : Boolean := False;
47 Pattern : Xref_Lib.Search_Pattern;
48 Local_Symbols : Boolean := True;
49 Prj_File : File_Name_String;
50 Prj_File_Length : Natural := 0;
51 Nb_File : Natural := 0;
52 Usage_Error : exception;
53 Full_Path_Name : Boolean := False;
54 Have_Entity : Boolean := False;
55 Wide_Search : Boolean := True;
56 Glob_Mode : Boolean := True;
57 Der_Info : Boolean := False;
58 Type_Tree : Boolean := False;
59 Read_Only : Boolean := False;
60 Source_Lines : Boolean := False;
62 Has_File_In_Entity : Boolean := False;
63 -- Will be true if a file name was specified in the entity
65 RTS_Specified : String_Access := null;
66 -- Used to detect multiple use of --RTS= switch
68 procedure Parse_Cmd_Line;
69 -- Parse every switch on the command line
74 procedure Write_Usage;
75 -- Print a small help page for program usage and exit program
81 procedure Parse_Cmd_Line is
83 -- First check for --version or --help
85 Check_Version_And_Help ("GNATFIND", "1998", Usage'Unrestricted_Access);
87 -- Now scan the other switches
89 GNAT.Command_Line.Initialize_Option_Scan;
93 GNAT.Command_Line.Getopt
94 ("a aI: aO: d e f g h I: nostdinc nostdlib p: r s t -RTS=")
100 if GNAT.Command_Line.Full_Switch = "a" then
102 elsif GNAT.Command_Line.Full_Switch = "aI" then
103 Osint.Add_Src_Search_Dir (GNAT.Command_Line.Parameter);
105 Osint.Add_Lib_Search_Dir (GNAT.Command_Line.Parameter);
115 Full_Path_Name := True;
118 Local_Symbols := False;
124 Osint.Add_Src_Search_Dir (GNAT.Command_Line.Parameter);
125 Osint.Add_Lib_Search_Dir (GNAT.Command_Line.Parameter);
128 if GNAT.Command_Line.Full_Switch = "nostdinc" then
129 Opt.No_Stdinc := True;
130 elsif GNAT.Command_Line.Full_Switch = "nostlib" then
131 Opt.No_Stdlib := True;
136 S : constant String := GNAT.Command_Line.Parameter;
138 Prj_File_Length := S'Length;
139 Prj_File (1 .. Prj_File_Length) := S;
146 Source_Lines := True;
151 -- Only switch starting with -- recognized is --RTS
154 -- Check that it is the first time we see this switch
156 if RTS_Specified = null then
157 RTS_Specified := new String'(GNAT.Command_Line.Parameter);
159 elsif RTS_Specified.all /= GNAT.Command_Line.Parameter then
160 Osint.Fail ("--RTS cannot be specified multiple times");
163 Opt.No_Stdinc := True;
164 Opt.RTS_Switch := True;
167 Src_Path_Name : constant String_Ptr :=
169 (GNAT.Command_Line.Parameter, Include);
170 Lib_Path_Name : constant String_Ptr :=
172 (GNAT.Command_Line.Parameter, Objects);
175 if Src_Path_Name /= null and then Lib_Path_Name /= null then
176 Add_Search_Dirs (Src_Path_Name, Include);
177 Add_Search_Dirs (Lib_Path_Name, Objects);
179 elsif Src_Path_Name = null and then Lib_Path_Name = null then
180 Osint.Fail ("RTS path not valid: missing " &
181 "adainclude and adalib directories");
183 elsif Src_Path_Name = null then
184 Osint.Fail ("RTS path not valid: missing " &
185 "adainclude directory");
187 elsif Lib_Path_Name = null then
188 Osint.Fail ("RTS path not valid: missing " &
198 -- Get the other arguments
202 S : constant String := GNAT.Command_Line.Get_Argument;
205 exit when S'Length = 0;
207 -- First argument is the pattern
209 if not Have_Entity then
210 Add_Entity (Pattern, S, Glob_Mode);
213 if not Has_File_In_Entity
214 and then Index (S, ":") /= 0
216 Has_File_In_Entity := True;
219 -- Next arguments are the files to search
223 Wide_Search := False;
224 Nb_File := Nb_File + 1;
230 when GNAT.Command_Line.Invalid_Switch =>
231 Ada.Text_IO.Put_Line ("Invalid switch : "
232 & GNAT.Command_Line.Full_Switch);
235 when GNAT.Command_Line.Invalid_Parameter =>
236 Ada.Text_IO.Put_Line ("Parameter missing for : "
237 & GNAT.Command_Line.Full_Switch);
240 when Xref_Lib.Invalid_Argument =>
241 Ada.Text_IO.Put_Line ("Invalid line or column in the pattern");
251 Put_Line ("Usage: gnatfind pattern[:sourcefile[:line[:column]]] "
252 & "[file1 file2 ...]");
254 Put_Line (" pattern Name of the entity to look for (can have "
256 Put_Line (" sourcefile Only find entities referenced from this "
258 Put_Line (" line Only find entities referenced from this line "
260 Put_Line (" column Only find entities referenced from this columns"
262 Put_Line (" file ... Set of Ada source files to search for "
263 & "references. This parameters are optional");
265 Put_Line ("gnatfind switches:");
266 Put_Line (" -a Consider all files, even when the ali file is "
268 Put_Line (" -aIdir Specify source files search path");
269 Put_Line (" -aOdir Specify library/object files search path");
270 Put_Line (" -d Output derived type information");
271 Put_Line (" -e Use the full regular expression set for "
273 Put_Line (" -f Output full path name");
274 Put_Line (" -g Output information only for global symbols");
275 Put_Line (" -Idir Like -aIdir -aOdir");
276 Put_Line (" -nostdinc Don't look for sources in the system default"
278 Put_Line (" -nostdlib Don't look for library files in the system"
279 & " default directory");
280 Put_Line (" --RTS=dir specify the default source and object search"
282 Put_Line (" -p file Use file as the default project file");
283 Put_Line (" -r Find all references (default to find declaration"
285 Put_Line (" -s Print source line");
286 Put_Line (" -t Print type hierarchy");
293 procedure Write_Usage is
295 Display_Version ("GNATFIND", "1998");
303 -- Start of processing for Gnatfind
308 if not Have_Entity then
312 -- Special case to speed things up: if the user has a command line of the
313 -- form 'gnatfind entity:file', ie has specified a file and only wants the
314 -- bodies and specs, then we can restrict the search to the .ali file
315 -- associated with 'file'.
317 if Has_File_In_Entity
318 and then not Output_Ref
320 Wide_Search := False;
323 -- Find the project file
325 if Prj_File_Length = 0 then
326 Xr_Tabls.Create_Project_File (Default_Project_File ("."));
328 Xr_Tabls.Create_Project_File (Prj_File (1 .. Prj_File_Length));
333 if Type_Tree and then Nb_File > 1 then
334 Ada.Text_IO.Put_Line ("Error: for type hierarchy output you must "
335 & "specify only one file.");
336 Ada.Text_IO.New_Line;
340 Search (Pattern, Local_Symbols, Wide_Search, Read_Only,
341 Der_Info, Type_Tree);
344 Xr_Tabls.Grep_Source_Files;
347 Print_Gnatfind (Output_Ref, Full_Path_Name);