|
111
|
1 ------------------------------------------------------------------------------
|
|
|
2 -- --
|
|
|
3 -- GNAT COMPILER COMPONENTS --
|
|
|
4 -- --
|
|
|
5 -- G N A T F I N D --
|
|
|
6 -- --
|
|
|
7 -- B o d y --
|
|
|
8 -- --
|
|
131
|
9 -- Copyright (C) 1998-2018, Free Software Foundation, Inc. --
|
|
111
|
10 -- --
|
|
|
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 3, 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 COPYING3. If not, go to --
|
|
|
19 -- http://www.gnu.org/licenses for a complete copy of the license. --
|
|
|
20 -- --
|
|
|
21 -- GNAT was originally developed by the GNAT team at New York University. --
|
|
|
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
|
|
|
23 -- --
|
|
|
24 ------------------------------------------------------------------------------
|
|
|
25
|
|
|
26 with Opt;
|
|
|
27 with Osint; use Osint;
|
|
|
28 with Switch; use Switch;
|
|
|
29 with Types; use Types;
|
|
|
30 with Xr_Tabls;
|
|
|
31 with Xref_Lib; use Xref_Lib;
|
|
|
32
|
|
|
33 with Ada.Command_Line; use Ada.Command_Line;
|
|
|
34 with Ada.Strings.Fixed; use Ada.Strings.Fixed;
|
|
|
35 with Ada.Text_IO; use Ada.Text_IO;
|
|
|
36
|
|
|
37 with GNAT.Command_Line; use GNAT.Command_Line;
|
|
|
38
|
|
|
39 with System.Strings; use System.Strings;
|
|
|
40
|
|
|
41 --------------
|
|
|
42 -- Gnatfind --
|
|
|
43 --------------
|
|
|
44
|
|
|
45 procedure Gnatfind is
|
|
|
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;
|
|
|
61
|
|
|
62 Has_File_In_Entity : Boolean := False;
|
|
|
63 -- Will be true if a file name was specified in the entity
|
|
|
64
|
|
|
65 RTS_Specified : String_Access := null;
|
|
|
66 -- Used to detect multiple use of --RTS= switch
|
|
|
67
|
|
|
68 EXT_Specified : String_Access := null;
|
|
|
69 -- Used to detect multiple use of --ext= switch
|
|
|
70
|
|
|
71 procedure Parse_Cmd_Line;
|
|
|
72 -- Parse every switch on the command line
|
|
|
73
|
|
|
74 procedure Usage;
|
|
|
75 -- Display the usage
|
|
|
76
|
|
|
77 procedure Write_Usage;
|
|
131
|
78 pragma No_Return (Write_Usage);
|
|
111
|
79 -- Print a small help page for program usage and exit program
|
|
|
80
|
|
|
81 --------------------
|
|
|
82 -- Parse_Cmd_Line --
|
|
|
83 --------------------
|
|
|
84
|
|
|
85 procedure Parse_Cmd_Line is
|
|
|
86
|
|
|
87 procedure Check_Version_And_Help is new Check_Version_And_Help_G (Usage);
|
|
|
88
|
|
|
89 -- Start of processing for Parse_Cmd_Line
|
|
|
90
|
|
|
91 begin
|
|
|
92 -- First check for --version or --help
|
|
|
93
|
|
|
94 Check_Version_And_Help ("GNATFIND", "1998");
|
|
|
95
|
|
|
96 -- Now scan the other switches
|
|
|
97
|
|
|
98 GNAT.Command_Line.Initialize_Option_Scan;
|
|
|
99
|
|
|
100 loop
|
|
|
101 case
|
|
|
102 GNAT.Command_Line.Getopt
|
|
|
103 ("a aI: aO: d e f g h I: nostdinc nostdlib p: r s t -RTS= -ext=")
|
|
|
104 is
|
|
|
105 when ASCII.NUL =>
|
|
|
106 exit;
|
|
|
107
|
|
|
108 when 'a' =>
|
|
|
109 if GNAT.Command_Line.Full_Switch = "a" then
|
|
|
110 Read_Only := True;
|
|
|
111 elsif GNAT.Command_Line.Full_Switch = "aI" then
|
|
|
112 Osint.Add_Src_Search_Dir (GNAT.Command_Line.Parameter);
|
|
|
113 else
|
|
|
114 Osint.Add_Lib_Search_Dir (GNAT.Command_Line.Parameter);
|
|
|
115 end if;
|
|
|
116
|
|
|
117 when 'd' =>
|
|
|
118 Der_Info := True;
|
|
|
119
|
|
|
120 when 'e' =>
|
|
|
121 Glob_Mode := False;
|
|
|
122
|
|
|
123 when 'f' =>
|
|
|
124 Full_Path_Name := True;
|
|
|
125
|
|
|
126 when 'g' =>
|
|
|
127 Local_Symbols := False;
|
|
|
128
|
|
|
129 when 'h' =>
|
|
|
130 Write_Usage;
|
|
|
131
|
|
|
132 when 'I' =>
|
|
|
133 Osint.Add_Src_Search_Dir (GNAT.Command_Line.Parameter);
|
|
|
134 Osint.Add_Lib_Search_Dir (GNAT.Command_Line.Parameter);
|
|
|
135
|
|
|
136 when 'n' =>
|
|
|
137 if GNAT.Command_Line.Full_Switch = "nostdinc" then
|
|
|
138 Opt.No_Stdinc := True;
|
|
|
139 elsif GNAT.Command_Line.Full_Switch = "nostdlib" then
|
|
|
140 Opt.No_Stdlib := True;
|
|
|
141 end if;
|
|
|
142
|
|
|
143 when 'p' =>
|
|
|
144 declare
|
|
|
145 S : constant String := GNAT.Command_Line.Parameter;
|
|
|
146 begin
|
|
|
147 Prj_File_Length := S'Length;
|
|
|
148 Prj_File (1 .. Prj_File_Length) := S;
|
|
|
149 end;
|
|
|
150
|
|
|
151 when 'r' =>
|
|
|
152 Output_Ref := True;
|
|
|
153
|
|
|
154 when 's' =>
|
|
|
155 Source_Lines := True;
|
|
|
156
|
|
|
157 when 't' =>
|
|
|
158 Type_Tree := True;
|
|
|
159
|
|
|
160 -- Only switch starting with -- recognized is --RTS
|
|
|
161
|
|
|
162 when '-' =>
|
|
|
163 if GNAT.Command_Line.Full_Switch = "-RTS" then
|
|
|
164
|
|
|
165 -- Check that it is the first time we see this switch
|
|
|
166
|
|
|
167 if RTS_Specified = null then
|
|
|
168 RTS_Specified := new String'(GNAT.Command_Line.Parameter);
|
|
|
169 elsif RTS_Specified.all /= GNAT.Command_Line.Parameter then
|
|
|
170 Osint.Fail ("--RTS cannot be specified multiple times");
|
|
|
171 end if;
|
|
|
172
|
|
|
173 Opt.No_Stdinc := True;
|
|
|
174 Opt.RTS_Switch := True;
|
|
|
175
|
|
|
176 declare
|
|
|
177 Src_Path_Name : constant String_Ptr :=
|
|
|
178 Get_RTS_Search_Dir
|
|
|
179 (GNAT.Command_Line.Parameter,
|
|
|
180 Include);
|
|
|
181 Lib_Path_Name : constant String_Ptr :=
|
|
|
182 Get_RTS_Search_Dir
|
|
|
183 (GNAT.Command_Line.Parameter,
|
|
|
184 Objects);
|
|
|
185
|
|
|
186 begin
|
|
|
187 if Src_Path_Name /= null
|
|
|
188 and then Lib_Path_Name /= null
|
|
|
189 then
|
|
|
190 Add_Search_Dirs (Src_Path_Name, Include);
|
|
|
191 Add_Search_Dirs (Lib_Path_Name, Objects);
|
|
|
192
|
|
|
193 elsif Src_Path_Name = null
|
|
|
194 and then Lib_Path_Name = null
|
|
|
195 then
|
|
|
196 Osint.Fail ("RTS path not valid: missing " &
|
|
|
197 "adainclude and adalib directories");
|
|
|
198
|
|
|
199 elsif Src_Path_Name = null then
|
|
|
200 Osint.Fail ("RTS path not valid: missing " &
|
|
|
201 "adainclude directory");
|
|
|
202
|
|
|
203 elsif Lib_Path_Name = null then
|
|
|
204 Osint.Fail ("RTS path not valid: missing " &
|
|
|
205 "adalib directory");
|
|
|
206 end if;
|
|
|
207 end;
|
|
|
208
|
|
|
209 -- Process -ext switch
|
|
|
210
|
|
|
211 elsif GNAT.Command_Line.Full_Switch = "-ext" then
|
|
|
212
|
|
|
213 -- Check that it is the first time we see this switch
|
|
|
214
|
|
|
215 if EXT_Specified = null then
|
|
|
216 EXT_Specified := new String'(GNAT.Command_Line.Parameter);
|
|
|
217 elsif EXT_Specified.all /= GNAT.Command_Line.Parameter then
|
|
|
218 Osint.Fail ("--ext cannot be specified multiple times");
|
|
|
219 end if;
|
|
|
220
|
|
|
221 if
|
|
|
222 EXT_Specified'Length = Osint.ALI_Default_Suffix'Length
|
|
|
223 then
|
|
|
224 Osint.ALI_Suffix := EXT_Specified.all'Access;
|
|
|
225 else
|
|
|
226 Osint.Fail ("--ext argument must have 3 characters");
|
|
|
227 end if;
|
|
|
228
|
|
|
229 end if;
|
|
|
230
|
|
|
231 when others =>
|
|
|
232 Try_Help;
|
|
|
233 raise Usage_Error;
|
|
|
234 end case;
|
|
|
235 end loop;
|
|
|
236
|
|
|
237 -- Get the other arguments
|
|
|
238
|
|
|
239 loop
|
|
|
240 declare
|
|
|
241 S : constant String := GNAT.Command_Line.Get_Argument;
|
|
|
242
|
|
|
243 begin
|
|
|
244 exit when S'Length = 0;
|
|
|
245
|
|
|
246 -- First argument is the pattern
|
|
|
247
|
|
|
248 if not Have_Entity then
|
|
|
249 Add_Entity (Pattern, S, Glob_Mode);
|
|
|
250 Have_Entity := True;
|
|
|
251
|
|
|
252 if not Has_File_In_Entity
|
|
|
253 and then Index (S, ":") /= 0
|
|
|
254 then
|
|
|
255 Has_File_In_Entity := True;
|
|
|
256 end if;
|
|
|
257
|
|
|
258 -- Next arguments are the files to search
|
|
|
259
|
|
|
260 else
|
|
|
261 Add_Xref_File (S);
|
|
|
262 Wide_Search := False;
|
|
|
263 Nb_File := Nb_File + 1;
|
|
|
264 end if;
|
|
|
265 end;
|
|
|
266 end loop;
|
|
|
267
|
|
|
268 exception
|
|
|
269 when GNAT.Command_Line.Invalid_Switch =>
|
|
|
270 Ada.Text_IO.Put_Line ("Invalid switch : "
|
|
|
271 & GNAT.Command_Line.Full_Switch);
|
|
|
272 Try_Help;
|
|
|
273 raise Usage_Error;
|
|
|
274
|
|
|
275 when GNAT.Command_Line.Invalid_Parameter =>
|
|
|
276 Ada.Text_IO.Put_Line ("Parameter missing for : "
|
|
|
277 & GNAT.Command_Line.Full_Switch);
|
|
|
278 Try_Help;
|
|
|
279 raise Usage_Error;
|
|
|
280
|
|
|
281 when Xref_Lib.Invalid_Argument =>
|
|
|
282 Ada.Text_IO.Put_Line ("Invalid line or column in the pattern");
|
|
|
283 Try_Help;
|
|
|
284 raise Usage_Error;
|
|
|
285 end Parse_Cmd_Line;
|
|
|
286
|
|
|
287 -----------
|
|
|
288 -- Usage --
|
|
|
289 -----------
|
|
|
290
|
|
|
291 procedure Usage is
|
|
|
292 begin
|
|
|
293 Put_Line ("Usage: gnatfind pattern[:sourcefile[:line[:column]]] "
|
|
|
294 & "[file1 file2 ...]");
|
|
|
295 New_Line;
|
|
|
296 Put_Line (" pattern Name of the entity to look for (can have "
|
|
|
297 & "wildcards)");
|
|
|
298 Put_Line (" sourcefile Only find entities referenced from this "
|
|
|
299 & "file");
|
|
|
300 Put_Line (" line Only find entities referenced from this line "
|
|
|
301 & "of file");
|
|
|
302 Put_Line (" column Only find entities referenced from this columns"
|
|
|
303 & " of file");
|
|
|
304 Put_Line (" file ... Set of Ada source files to search for "
|
|
|
305 & "references. This parameters are optional");
|
|
|
306 New_Line;
|
|
|
307 Put_Line ("gnatfind switches:");
|
|
|
308 Display_Usage_Version_And_Help;
|
|
|
309 Put_Line (" -a Consider all files, even when the ali file is "
|
|
|
310 & "readonly");
|
|
|
311 Put_Line (" -aIdir Specify source files search path");
|
|
|
312 Put_Line (" -aOdir Specify library/object files search path");
|
|
|
313 Put_Line (" -d Output derived type information");
|
|
|
314 Put_Line (" -e Use the full regular expression set for "
|
|
|
315 & "pattern");
|
|
|
316 Put_Line (" -f Output full path name");
|
|
|
317 Put_Line (" -g Output information only for global symbols");
|
|
|
318 Put_Line (" -Idir Like -aIdir -aOdir");
|
|
|
319 Put_Line (" -nostdinc Don't look for sources in the system default"
|
|
|
320 & " directory");
|
|
|
321 Put_Line (" -nostdlib Don't look for library files in the system"
|
|
|
322 & " default directory");
|
|
|
323 Put_Line (" --ext=xxx Specify alternate ali file extension");
|
|
|
324 Put_Line (" --RTS=dir specify the default source and object search"
|
|
|
325 & " path");
|
|
|
326 Put_Line (" -p file Use file as the configuration file");
|
|
|
327 Put_Line (" -r Find all references (default to find declaration"
|
|
|
328 & " only)");
|
|
|
329 Put_Line (" -s Print source line");
|
|
|
330 Put_Line (" -t Print type hierarchy");
|
|
|
331 end Usage;
|
|
|
332
|
|
|
333 -----------------
|
|
|
334 -- Write_Usage --
|
|
|
335 -----------------
|
|
|
336
|
|
|
337 procedure Write_Usage is
|
|
|
338 begin
|
|
|
339 Display_Version ("GNATFIND", "1998");
|
|
|
340 New_Line;
|
|
|
341
|
|
|
342 Usage;
|
|
|
343
|
|
|
344 raise Usage_Error;
|
|
|
345 end Write_Usage;
|
|
|
346
|
|
|
347 -- Start of processing for Gnatfind
|
|
|
348
|
|
|
349 begin
|
|
|
350 Parse_Cmd_Line;
|
|
|
351
|
|
|
352 if not Have_Entity then
|
|
|
353 if Argument_Count = 0 then
|
|
|
354 Write_Usage;
|
|
|
355 else
|
|
|
356 Try_Help;
|
|
|
357 raise Usage_Error;
|
|
|
358 end if;
|
|
|
359 end if;
|
|
|
360
|
|
|
361 -- Special case to speed things up: if the user has a command line of the
|
|
|
362 -- form 'gnatfind entity:file', i.e. has specified a file and only wants
|
|
|
363 -- the bodies and specs, then we can restrict the search to the .ali file
|
|
|
364 -- associated with 'file'.
|
|
|
365
|
|
|
366 if Has_File_In_Entity
|
|
|
367 and then not Output_Ref
|
|
|
368 then
|
|
|
369 Wide_Search := False;
|
|
|
370 end if;
|
|
|
371
|
|
|
372 -- Find the project file
|
|
|
373
|
|
|
374 if Prj_File_Length = 0 then
|
|
|
375 Xr_Tabls.Create_Project_File (Default_Project_File ("."));
|
|
|
376 else
|
|
|
377 Xr_Tabls.Create_Project_File (Prj_File (1 .. Prj_File_Length));
|
|
|
378 end if;
|
|
|
379
|
|
|
380 -- Fill up the table
|
|
|
381
|
|
|
382 if Type_Tree and then Nb_File > 1 then
|
|
|
383 Ada.Text_IO.Put_Line ("Error: for type hierarchy output you must "
|
|
|
384 & "specify only one file.");
|
|
|
385 Ada.Text_IO.New_Line;
|
|
|
386 Try_Help;
|
|
|
387 raise Usage_Error;
|
|
|
388 end if;
|
|
|
389
|
|
|
390 Search (Pattern, Local_Symbols, Wide_Search, Read_Only,
|
|
|
391 Der_Info, Type_Tree);
|
|
|
392
|
|
|
393 if Source_Lines then
|
|
|
394 Xr_Tabls.Grep_Source_Files;
|
|
|
395 end if;
|
|
|
396
|
|
|
397 Print_Gnatfind (Output_Ref, Full_Path_Name);
|
|
|
398
|
|
|
399 exception
|
|
|
400 when Usage_Error =>
|
|
|
401 null;
|
|
|
402 end Gnatfind;
|
