1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1992-2007, 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 ALI.Util; use ALI.Util;
29 with Binderr; use Binderr;
30 with Butil; use Butil;
31 with Csets; use Csets;
32 with Fname; use Fname;
33 with Gnatvsn; use Gnatvsn;
34 with GNAT.OS_Lib; use GNAT.OS_Lib;
35 with Namet; use Namet;
37 with Osint; use Osint;
38 with Osint.L; use Osint.L;
39 with Output; use Output;
40 with Rident; use Rident;
43 with Targparm; use Targparm;
44 with Types; use Types;
46 with GNAT.Case_Util; use GNAT.Case_Util;
49 pragma Ident (Gnat_Static_Version_String);
51 Gpr_Project_Path : constant String := "GPR_PROJECT_PATH";
52 Ada_Project_Path : constant String := "ADA_PROJECT_PATH";
53 -- Names of the env. variables that contains path name(s) of directories
54 -- where project files may reside. If GPR_PROJECT_PATH is defined, its
55 -- value is used, otherwise ADA_PROJECT_PATH is used, if defined.
57 -- NOTE : The following string may be used by other tools, such as GPS. So
58 -- it can only be modified if these other uses are checked and coordinated.
60 Project_Search_Path : constant String := "Project Search Path:";
61 -- Label displayed in verbose mode before the directories in the project
62 -- search path. Do not modify without checking NOTE above.
64 No_Project_Default_Dir : constant String := "-";
66 Max_Column : constant := 80;
68 No_Obj : aliased String := "<no_obj>";
71 OK, -- matching timestamp
72 Checksum_OK, -- only matching checksum
73 Not_Found, -- file not found on source PATH
74 Not_Same, -- neither checksum nor timestamp matching
75 Not_First_On_PATH); -- matching file hidden by Not_Same file on path
78 type Dir_Ref is access Dir_Data;
80 type Dir_Data is record
81 Value : String_Access;
86 First_Source_Dir : Dir_Ref;
87 Last_Source_Dir : Dir_Ref;
88 -- The list of source directories from the command line.
89 -- These directories are added using Osint.Add_Src_Search_Dir
90 -- after those of the GNAT Project File, if any.
92 First_Lib_Dir : Dir_Ref;
93 Last_Lib_Dir : Dir_Ref;
94 -- The list of object directories from the command line.
95 -- These directories are added using Osint.Add_Lib_Search_Dir
96 -- after those of the GNAT Project File, if any.
98 Main_File : File_Name_Type;
99 Ali_File : File_Name_Type;
100 Text : Text_Buffer_Ptr;
103 Too_Long : Boolean := False;
104 -- When True, lines are too long for multi-column output and each
105 -- item of information is on a different line.
107 Selective_Output : Boolean := False;
108 Print_Usage : Boolean := False;
109 Print_Unit : Boolean := True;
110 Print_Source : Boolean := True;
111 Print_Object : Boolean := True;
112 -- Flags controlling the form of the output
114 Also_Predef : Boolean := False; -- -a
115 Dependable : Boolean := False; -- -d
116 License : Boolean := False; -- -l
117 Very_Verbose_Mode : Boolean := False; -- -V
118 -- Command line flags
120 Unit_Start : Integer;
122 Source_Start : Integer;
123 Source_End : Integer;
124 Object_Start : Integer;
125 Object_End : Integer;
126 -- Various column starts and ends
128 Spaces : constant String (1 .. Max_Column) := (others => ' ');
130 RTS_Specified : String_Access := null;
131 -- Used to detect multiple use of --RTS= switch
133 -----------------------
134 -- Local Subprograms --
135 -----------------------
137 procedure Add_Lib_Dir (Dir : String);
138 -- Add an object directory in the list First_Lib_Dir-Last_Lib_Dir
140 procedure Add_Source_Dir (Dir : String);
141 -- Add a source directory in the list First_Source_Dir-Last_Source_Dir
143 procedure Find_General_Layout;
144 -- Determine the structure of the output (multi columns or not, etc)
146 procedure Find_Status
147 (FS : in out File_Name_Type;
148 Stamp : Time_Stamp_Type;
150 Status : out File_Status);
151 -- Determine the file status (Status) of the file represented by FS
152 -- with the expected Stamp and checksum given as argument. FS will be
153 -- updated to the full file name if available.
155 function Corresponding_Sdep_Entry (A : ALI_Id; U : Unit_Id) return Sdep_Id;
156 -- Give the Sdep entry corresponding to the unit U in ali record A
158 procedure Output_Object (O : File_Name_Type);
159 -- Print out the name of the object when requested
161 procedure Output_Source (Sdep_I : Sdep_Id);
162 -- Print out the name and status of the source corresponding to this
165 procedure Output_Status (FS : File_Status; Verbose : Boolean);
166 -- Print out FS either in a coded form if verbose is false or in an
167 -- expanded form otherwise.
169 procedure Output_Unit (ALI : ALI_Id; U_Id : Unit_Id);
170 -- Print out information on the unit when requested
172 procedure Reset_Print;
173 -- Reset Print flags properly when selective output is chosen
175 procedure Scan_Ls_Arg (Argv : String);
176 -- Scan and process lser specific arguments. Argv is a single argument
179 -- Print usage message
181 procedure Output_License_Information;
182 -- Output license statement, and if not found, output reference to
185 function Image (Restriction : Restriction_Id) return String;
186 -- Returns the capitalized image of Restriction
188 ---------------------------------------
189 -- GLADE specific output subprograms --
190 ---------------------------------------
194 -- Any modification to this subunit requires a synchronization
195 -- with the GLADE implementation.
197 procedure Output_ALI (A : ALI_Id);
198 procedure Output_No_ALI (Afile : File_Name_Type);
206 procedure Add_Lib_Dir (Dir : String) is
208 if First_Lib_Dir = null then
211 (Value => new String'(Dir),
213 Last_Lib_Dir := First_Lib_Dir;
218 (Value => new String'(Dir),
220 Last_Lib_Dir := Last_Lib_Dir.Next;
228 procedure Add_Source_Dir (Dir : String) is
230 if First_Source_Dir = null then
233 (Value => new String'(Dir),
235 Last_Source_Dir := First_Source_Dir;
238 Last_Source_Dir.Next :=
240 (Value => new String'(Dir),
242 Last_Source_Dir := Last_Source_Dir.Next;
246 ------------------------------
247 -- Corresponding_Sdep_Entry --
248 ------------------------------
250 function Corresponding_Sdep_Entry
252 U : Unit_Id) return Sdep_Id
255 for D in ALIs.Table (A).First_Sdep .. ALIs.Table (A).Last_Sdep loop
256 if Sdep.Table (D).Sfile = Units.Table (U).Sfile then
261 Error_Msg_Unit_1 := Units.Table (U).Uname;
262 Error_Msg_File_1 := ALIs.Table (A).Afile;
264 Error_Msg ("wrong ALI format, can't find dependency line for $ in {");
265 Exit_Program (E_Fatal);
266 end Corresponding_Sdep_Entry;
268 -------------------------
269 -- Find_General_Layout --
270 -------------------------
272 procedure Find_General_Layout is
273 Max_Unit_Length : Integer := 11;
274 Max_Src_Length : Integer := 11;
275 Max_Obj_Length : Integer := 11;
281 -- Compute maximum of each column
283 for Id in ALIs.First .. ALIs.Last loop
284 Get_Name_String (Units.Table (ALIs.Table (Id).First_Unit).Uname);
285 if Also_Predef or else not Is_Internal_Unit then
289 Max_Unit_Length := Integer'Max (Max_Unit_Length, Len);
293 FS := Full_Source_Name (ALIs.Table (Id).Sfile);
296 Get_Name_String (ALIs.Table (Id).Sfile);
297 Name_Len := Name_Len + 13;
299 Get_Name_String (FS);
302 Max_Src_Length := Integer'Max (Max_Src_Length, Name_Len + 1);
306 if ALIs.Table (Id).No_Object then
308 Integer'Max (Max_Obj_Length, No_Obj'Length);
310 Get_Name_String (ALIs.Table (Id).Ofile_Full_Name);
311 Max_Obj_Length := Integer'Max (Max_Obj_Length, Name_Len + 1);
317 -- Verify is output is not wider than maximum number of columns
322 (Max_Unit_Length + Max_Src_Length + Max_Obj_Length) > Max_Column;
324 -- Set start and end of columns
327 Object_End := Object_Start - 1;
330 Object_End := Object_Start + Max_Obj_Length;
333 Unit_Start := Object_End + 1;
334 Unit_End := Unit_Start - 1;
337 Unit_End := Unit_Start + Max_Unit_Length;
340 Source_Start := Unit_End + 1;
342 if Source_Start > Spaces'Last then
343 Source_Start := Spaces'Last;
346 Source_End := Source_Start - 1;
349 Source_End := Source_Start + Max_Src_Length;
351 end Find_General_Layout;
357 procedure Find_Status
358 (FS : in out File_Name_Type;
359 Stamp : Time_Stamp_Type;
361 Status : out File_Status)
363 Tmp1 : File_Name_Type;
364 Tmp2 : File_Name_Type;
367 Tmp1 := Full_Source_Name (FS);
369 if Tmp1 = No_File then
372 elsif File_Stamp (Tmp1) = Stamp then
376 elsif Checksums_Match (Get_File_Checksum (FS), Checksum) then
378 Status := Checksum_OK;
381 Tmp2 := Matching_Full_Source_Name (FS, Stamp);
383 if Tmp2 = No_File then
388 Status := Not_First_On_PATH;
398 package body GLADE is
401 N_Indents : Natural := 0;
432 Image : constant array (Token_Type) of String_Access :=
433 (T_No_ALI => new String'("No_ALI"),
434 T_ALI => new String'("ALI"),
435 T_Unit => new String'("Unit"),
436 T_With => new String'("With"),
437 T_Source => new String'("Source"),
438 T_Afile => new String'("Afile"),
439 T_Ofile => new String'("Ofile"),
440 T_Sfile => new String'("Sfile"),
441 T_Name => new String'("Name"),
442 T_Main => new String'("Main"),
443 T_Kind => new String'("Kind"),
444 T_Flags => new String'("Flags"),
445 T_Preelaborated => new String'("Preelaborated"),
446 T_Pure => new String'("Pure"),
447 T_Has_RACW => new String'("Has_RACW"),
448 T_Remote_Types => new String'("Remote_Types"),
449 T_Shared_Passive => new String'("Shared_Passive"),
450 T_RCI => new String'("RCI"),
451 T_Predefined => new String'("Predefined"),
452 T_Internal => new String'("Internal"),
453 T_Is_Generic => new String'("Is_Generic"),
454 T_Procedure => new String'("procedure"),
455 T_Function => new String'("function"),
456 T_Package => new String'("package"),
457 T_Subprogram => new String'("subprogram"),
458 T_Spec => new String'("spec"),
459 T_Body => new String'("body"));
461 procedure Output_Name (N : Name_Id);
462 -- Remove any encoding info (%b and %s) and output N
464 procedure Output_Afile (A : File_Name_Type);
465 procedure Output_Ofile (O : File_Name_Type);
466 procedure Output_Sfile (S : File_Name_Type);
467 -- Output various names. Check that the name is different from
468 -- no name. Otherwise, skip the output.
470 procedure Output_Token (T : Token_Type);
471 -- Output token using a specific format. That is several
474 -- T_No_ALI .. T_With : <token> & " =>" & NL
475 -- T_Source .. T_Kind : <token> & " => "
476 -- T_Flags : <token> & " =>"
477 -- T_Preelab .. T_Body : " " & <token>
479 procedure Output_Sdep (S : Sdep_Id);
480 procedure Output_Unit (U : Unit_Id);
481 procedure Output_With (W : With_Id);
482 -- Output this entry as a global section (like ALIs)
488 procedure Output_Afile (A : File_Name_Type) is
491 Output_Token (T_Afile);
501 procedure Output_ALI (A : ALI_Id) is
503 Output_Token (T_ALI);
504 N_Indents := N_Indents + 1;
506 Output_Afile (ALIs.Table (A).Afile);
507 Output_Ofile (ALIs.Table (A).Ofile_Full_Name);
508 Output_Sfile (ALIs.Table (A).Sfile);
512 if ALIs.Table (A).Main_Program /= None then
513 Output_Token (T_Main);
515 if ALIs.Table (A).Main_Program = Proc then
516 Output_Token (T_Procedure);
518 Output_Token (T_Function);
526 for U in ALIs.Table (A).First_Unit .. ALIs.Table (A).Last_Unit loop
532 for S in ALIs.Table (A).First_Sdep .. ALIs.Table (A).Last_Sdep loop
536 N_Indents := N_Indents - 1;
543 procedure Output_No_ALI (Afile : File_Name_Type) is
545 Output_Token (T_No_ALI);
546 N_Indents := N_Indents + 1;
547 Output_Afile (Afile);
548 N_Indents := N_Indents - 1;
555 procedure Output_Name (N : Name_Id) is
557 -- Remove any encoding info (%s or %b)
562 and then Name_Buffer (Name_Len - 1) = '%'
564 Name_Len := Name_Len - 2;
567 Output_Token (T_Name);
568 Write_Str (Name_Buffer (1 .. Name_Len));
576 procedure Output_Ofile (O : File_Name_Type) is
579 Output_Token (T_Ofile);
589 procedure Output_Sdep (S : Sdep_Id) is
591 Output_Token (T_Source);
592 Write_Name (Sdep.Table (S).Sfile);
600 procedure Output_Sfile (S : File_Name_Type) is
601 FS : File_Name_Type := S;
604 if FS /= No_File then
606 -- We want to output the full source name
608 FS := Full_Source_Name (FS);
610 -- There is no full source name. This occurs for instance when a
611 -- withed unit has a spec file but no body file. This situation
612 -- is not a problem for GLADE since the unit may be located on
613 -- a partition we do not want to build. However, we need to
614 -- locate the spec file and to find its full source name.
615 -- Replace the body file name with the spec file name used to
616 -- compile the current unit when possible.
622 and then Name_Buffer (Name_Len - 3 .. Name_Len) = ".adb"
624 Name_Buffer (Name_Len) := 's';
625 FS := Full_Source_Name (Name_Find);
630 if FS /= No_File then
631 Output_Token (T_Sfile);
641 procedure Output_Token (T : Token_Type) is
643 if T in T_No_ALI .. T_Flags then
644 for J in 1 .. N_Indents loop
648 Write_Str (Image (T).all);
650 for J in Image (T)'Length .. 12 loop
656 if T in T_No_ALI .. T_With then
658 elsif T in T_Source .. T_Name then
662 elsif T in T_Preelaborated .. T_Body then
663 if T in T_Preelaborated .. T_Is_Generic then
665 Output_Token (T_Flags);
668 N_Flags := N_Flags + 1;
672 Write_Str (Image (T).all);
675 Write_Str (Image (T).all);
683 procedure Output_Unit (U : Unit_Id) is
685 Output_Token (T_Unit);
686 N_Indents := N_Indents + 1;
690 Output_Name (Name_Id (Units.Table (U).Uname));
694 Output_Token (T_Kind);
696 if Units.Table (U).Unit_Kind = 'p' then
697 Output_Token (T_Package);
699 Output_Token (T_Subprogram);
702 if Name_Buffer (Name_Len) = 's' then
703 Output_Token (T_Spec);
705 Output_Token (T_Body);
710 -- Output source file name
712 Output_Sfile (Units.Table (U).Sfile);
718 if Units.Table (U).Preelab then
719 Output_Token (T_Preelaborated);
722 if Units.Table (U).Pure then
723 Output_Token (T_Pure);
726 if Units.Table (U).Has_RACW then
727 Output_Token (T_Has_RACW);
730 if Units.Table (U).Remote_Types then
731 Output_Token (T_Remote_Types);
734 if Units.Table (U).Shared_Passive then
735 Output_Token (T_Shared_Passive);
738 if Units.Table (U).RCI then
739 Output_Token (T_RCI);
742 if Units.Table (U).Predefined then
743 Output_Token (T_Predefined);
746 if Units.Table (U).Internal then
747 Output_Token (T_Internal);
750 if Units.Table (U).Is_Generic then
751 Output_Token (T_Is_Generic);
760 for W in Units.Table (U).First_With .. Units.Table (U).Last_With loop
764 N_Indents := N_Indents - 1;
771 procedure Output_With (W : With_Id) is
773 Output_Token (T_With);
774 N_Indents := N_Indents + 1;
776 Output_Name (Name_Id (Withs.Table (W).Uname));
780 Output_Token (T_Kind);
782 if Name_Buffer (Name_Len) = 's' then
783 Output_Token (T_Spec);
785 Output_Token (T_Body);
790 Output_Afile (Withs.Table (W).Afile);
791 Output_Sfile (Withs.Table (W).Sfile);
793 N_Indents := N_Indents - 1;
802 function Image (Restriction : Restriction_Id) return String is
803 Result : String := Restriction'Img;
804 Skip : Boolean := True;
807 for J in Result'Range loop
810 Result (J) := To_Upper (Result (J));
812 elsif Result (J) = '_' then
816 Result (J) := To_Lower (Result (J));
823 --------------------------------
824 -- Output_License_Information --
825 --------------------------------
827 procedure Output_License_Information is
828 Params_File_Name : constant String := "gnatlic.adl";
829 -- Name of license file
831 Lo : constant Source_Ptr := 1;
833 Text : Source_Buffer_Ptr;
837 Add_Str_To_Name_Buffer (Params_File_Name);
838 Read_Source_File (Name_Find, Lo, Hi, Text);
842 -- Omit last character (end-of-file marker) in output
844 Write_Str (String (Text (Lo .. Hi - 1)));
847 -- The following condition is determined at compile time: disable
848 -- "condition is always true/false" warning.
850 pragma Warnings (Off);
851 elsif Build_Type /= GPL and then Build_Type /= FSF then
852 pragma Warnings (On);
854 Write_Str ("License file missing, please contact AdaCore.");
858 Write_Str ("Please refer to file COPYING in your distribution"
859 & " for license terms.");
864 Exit_Program (E_Success);
865 end Output_License_Information;
871 procedure Output_Object (O : File_Name_Type) is
872 Object_Name : String_Access;
878 Object_Name := To_Host_File_Spec (Name_Buffer (1 .. Name_Len));
880 Object_Name := No_Obj'Unchecked_Access;
883 Write_Str (Object_Name.all);
885 if Print_Source or else Print_Unit then
891 (Object_Start + Object_Name'Length .. Object_End));
901 procedure Output_Source (Sdep_I : Sdep_Id) is
902 Stamp : constant Time_Stamp_Type := Sdep.Table (Sdep_I).Stamp;
903 Checksum : constant Word := Sdep.Table (Sdep_I).Checksum;
904 FS : File_Name_Type := Sdep.Table (Sdep_I).Sfile;
905 Status : File_Status;
906 Object_Name : String_Access;
910 Find_Status (FS, Stamp, Checksum, Status);
911 Get_Name_String (FS);
913 Object_Name := To_Host_File_Spec (Name_Buffer (1 .. Name_Len));
916 Write_Str (" Source => ");
917 Write_Str (Object_Name.all);
921 (Spaces (Source_Start + Object_Name'Length .. Source_End));
924 Output_Status (Status, Verbose => True);
929 if not Selective_Output then
930 Output_Status (Status, Verbose => False);
933 Write_Str (Object_Name.all);
942 procedure Output_Status (FS : File_Status; Verbose : Boolean) is
947 Write_Str (" unchanged");
950 Write_Str (" slightly modified");
953 Write_Str (" file not found");
956 Write_Str (" modified");
958 when Not_First_On_PATH =>
959 Write_Str (" unchanged version not first on PATH");
976 when Not_First_On_PATH =>
986 procedure Output_Unit (ALI : ALI_Id; U_Id : Unit_Id) is
988 U : Unit_Record renames Units.Table (U_Id);
992 Get_Name_String (U.Uname);
993 Kind := Name_Buffer (Name_Len);
994 Name_Len := Name_Len - 2;
996 if not Verbose_Mode then
997 Write_Str (Name_Buffer (1 .. Name_Len));
1000 Write_Str ("Unit => ");
1002 Write_Str (" Name => ");
1003 Write_Str (Name_Buffer (1 .. Name_Len));
1005 Write_Str (" Kind => ");
1007 if Units.Table (U_Id).Unit_Kind = 'p' then
1008 Write_Str ("package ");
1010 Write_Str ("subprogram ");
1020 if Verbose_Mode then
1034 U.Body_Needed_For_SAL or
1038 Write_Str (" Flags =>");
1041 Write_Str (" Preelaborable");
1045 Write_Str (" No_Elab_Code");
1049 Write_Str (" Pure");
1052 if U.Dynamic_Elab then
1053 Write_Str (" Dynamic_Elab");
1057 Write_Str (" Has_RACW");
1060 if U.Remote_Types then
1061 Write_Str (" Remote_Types");
1064 if U.Shared_Passive then
1065 Write_Str (" Shared_Passive");
1072 if U.Predefined then
1073 Write_Str (" Predefined");
1077 Write_Str (" Internal");
1080 if U.Is_Generic then
1081 Write_Str (" Is_Generic");
1084 if U.Init_Scalars then
1085 Write_Str (" Init_Scalars");
1088 if U.SAL_Interface then
1089 Write_Str (" SAL_Interface");
1092 if U.Body_Needed_For_SAL then
1093 Write_Str (" Body_Needed_For_SAL");
1096 if U.Elaborate_Body then
1097 Write_Str (" Elaborate Body");
1100 if U.Remote_Types then
1101 Write_Str (" Remote_Types");
1104 if U.Shared_Passive then
1105 Write_Str (" Shared_Passive");
1108 if U.Predefined then
1109 Write_Str (" Predefined");
1115 Restrictions : constant Restrictions_Info :=
1116 ALIs.Table (ALI).Restrictions;
1119 -- If the source was compiled with pragmas Restrictions,
1120 -- Display these restrictions.
1122 if Restrictions.Set /= (All_Restrictions => False) then
1124 Write_Str (" pragma Restrictions =>");
1126 -- For boolean restrictions, just display the name of the
1127 -- restriction; for valued restrictions, also display the
1128 -- restriction value.
1130 for Restriction in All_Restrictions loop
1131 if Restrictions.Set (Restriction) then
1134 Write_Str (Image (Restriction));
1136 if Restriction in All_Parameter_Restrictions then
1138 Write_Str (Restrictions.Value (Restriction)'Img);
1144 -- If the unit violates some Restrictions, display the list of
1145 -- these restrictions.
1147 if Restrictions.Violated /= (All_Restrictions => False) then
1149 Write_Str (" Restrictions violated =>");
1151 -- For boolean restrictions, just display the name of the
1152 -- restriction; for valued restrictions, also display the
1153 -- restriction value.
1155 for Restriction in All_Restrictions loop
1156 if Restrictions.Violated (Restriction) then
1159 Write_Str (Image (Restriction));
1161 if Restriction in All_Parameter_Restrictions then
1162 if Restrictions.Count (Restriction) > 0 then
1165 if Restrictions.Unknown (Restriction) then
1166 Write_Str (" at least");
1169 Write_Str (Restrictions.Count (Restriction)'Img);
1178 if Print_Source then
1183 Write_Str (Spaces (Unit_Start + Name_Len + 1 .. Unit_End));
1193 procedure Reset_Print is
1195 if not Selective_Output then
1196 Selective_Output := True;
1197 Print_Source := False;
1198 Print_Object := False;
1199 Print_Unit := False;
1207 procedure Scan_Ls_Arg (Argv : String) is
1208 FD : File_Descriptor;
1212 pragma Assert (Argv'First = 1);
1214 if Argv'Length = 0 then
1218 if Argv (1) = '-' then
1219 if Argv'Length = 1 then
1220 Fail ("switch character cannot be followed by a blank");
1222 -- Processing for -I-
1224 elsif Argv (2 .. Argv'Last) = "I-" then
1225 Opt.Look_In_Primary_Dir := False;
1227 -- Forbid -?- or -??- where ? is any character
1229 elsif (Argv'Length = 3 and then Argv (3) = '-')
1230 or else (Argv'Length = 4 and then Argv (4) = '-')
1232 Fail ("Trailing ""-"" at the end of ", Argv, " forbidden.");
1234 -- Processing for -Idir
1236 elsif Argv (2) = 'I' then
1237 Add_Source_Dir (Argv (3 .. Argv'Last));
1238 Add_Lib_Dir (Argv (3 .. Argv'Last));
1240 -- Processing for -aIdir (to gcc this is like a -I switch)
1242 elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aI" then
1243 Add_Source_Dir (Argv (4 .. Argv'Last));
1245 -- Processing for -aOdir
1247 elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aO" then
1248 Add_Lib_Dir (Argv (4 .. Argv'Last));
1250 -- Processing for -aLdir (to gnatbind this is like a -aO switch)
1252 elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aL" then
1253 Add_Lib_Dir (Argv (4 .. Argv'Last));
1255 -- Processing for -nostdinc
1257 elsif Argv (2 .. Argv'Last) = "nostdinc" then
1258 Opt.No_Stdinc := True;
1260 -- Processing for one character switches
1262 elsif Argv'Length = 2 then
1264 when 'a' => Also_Predef := True;
1265 when 'h' => Print_Usage := True;
1266 when 'u' => Reset_Print; Print_Unit := True;
1267 when 's' => Reset_Print; Print_Source := True;
1268 when 'o' => Reset_Print; Print_Object := True;
1269 when 'v' => Verbose_Mode := True;
1270 when 'd' => Dependable := True;
1271 when 'l' => License := True;
1272 when 'V' => Very_Verbose_Mode := True;
1274 when others => null;
1277 -- Processing for -files=file
1279 elsif Argv'Length > 7 and then Argv (1 .. 7) = "-files=" then
1280 FD := Open_Read (Argv (8 .. Argv'Last), GNAT.OS_Lib.Text);
1282 if FD = Invalid_FD then
1283 Osint.Fail ("could not find text file """ &
1284 Argv (8 .. Argv'Last) & '"');
1287 Len := Integer (File_Length (FD));
1290 Buffer : String (1 .. Len + 1);
1291 Index : Positive := 1;
1297 Len := Read (FD, Buffer (1)'Address, Len);
1298 Buffer (Buffer'Last) := ASCII.NUL;
1301 -- Scan the file line by line
1303 while Index < Buffer'Last loop
1305 -- Find the end of line
1309 while Last <= Buffer'Last
1310 and then Buffer (Last) /= ASCII.LF
1311 and then Buffer (Last) /= ASCII.CR
1316 -- Ignore empty lines
1318 if Last > Index then
1319 Add_File (Buffer (Index .. Last - 1));
1324 -- Find the beginning of the next line
1326 while Buffer (Index) = ASCII.CR or else
1327 Buffer (Index) = ASCII.LF
1334 -- Processing for --RTS=path
1336 elsif Argv'Length >= 5 and then Argv (1 .. 5) = "--RTS" then
1337 if Argv'Length <= 6 or else Argv (6) /= '='then
1338 Osint.Fail ("missing path for --RTS");
1341 -- Check that it is the first time we see this switch or, if
1342 -- it is not the first time, the same path is specified.
1344 if RTS_Specified = null then
1345 RTS_Specified := new String'(Argv (7 .. Argv'Last));
1347 elsif RTS_Specified.all /= Argv (7 .. Argv'Last) then
1348 Osint.Fail ("--RTS cannot be specified multiple times");
1351 -- Valid --RTS switch
1353 Opt.No_Stdinc := True;
1354 Opt.RTS_Switch := True;
1357 Src_Path_Name : constant String_Ptr :=
1360 (Argv (7 .. Argv'Last), Include));
1361 Lib_Path_Name : constant String_Ptr :=
1364 (Argv (7 .. Argv'Last), Objects));
1367 if Src_Path_Name /= null
1368 and then Lib_Path_Name /= null
1370 Add_Search_Dirs (Src_Path_Name, Include);
1371 Add_Search_Dirs (Lib_Path_Name, Objects);
1373 elsif Src_Path_Name = null
1374 and then Lib_Path_Name = null
1376 Osint.Fail ("RTS path not valid: missing " &
1377 "adainclude and adalib directories");
1379 elsif Src_Path_Name = null then
1380 Osint.Fail ("RTS path not valid: missing " &
1381 "adainclude directory");
1383 elsif Lib_Path_Name = null then
1384 Osint.Fail ("RTS path not valid: missing " &
1385 "adalib directory");
1391 -- If not a switch, it must be a file name
1406 Write_Str ("Usage: ");
1407 Osint.Write_Program_Name;
1408 Write_Str (" switches [list of object files]");
1414 Write_Str ("switches:");
1419 Write_Str (" -a also output relevant predefined units");
1424 Write_Str (" -u output only relevant unit names");
1429 Write_Str (" -h output this help message");
1434 Write_Str (" -s output only relevant source names");
1439 Write_Str (" -o output only relevant object names");
1444 Write_Str (" -d output sources on which specified units " &
1450 Write_Str (" -l output license information");
1455 Write_Str (" -v verbose output, full path and unit " &
1462 Write_Str (" -files=fil files are listed in text file 'fil'");
1465 -- Line for -aI switch
1467 Write_Str (" -aIdir specify source files search path");
1470 -- Line for -aO switch
1472 Write_Str (" -aOdir specify object files search path");
1475 -- Line for -I switch
1477 Write_Str (" -Idir like -aIdir -aOdir");
1480 -- Line for -I- switch
1482 Write_Str (" -I- do not look for sources & object files");
1483 Write_Str (" in the default directory");
1486 -- Line for -nostdinc
1488 Write_Str (" -nostdinc do not look for source files");
1489 Write_Str (" in the system default directory");
1494 Write_Str (" --RTS=dir specify the default source and object search"
1498 -- File Status explanation
1501 Write_Str (" file status can be:");
1504 for ST in File_Status loop
1506 Output_Status (ST, Verbose => False);
1507 Write_Str (" ==> ");
1508 Output_Status (ST, Verbose => True);
1513 -- Start of processing for Gnatls
1516 -- Initialize standard packages
1522 -- Loop to scan out arguments
1525 Scan_Args : while Next_Arg < Arg_Count loop
1527 Next_Argv : String (1 .. Len_Arg (Next_Arg));
1529 Fill_Arg (Next_Argv'Address, Next_Arg);
1530 Scan_Ls_Arg (Next_Argv);
1533 Next_Arg := Next_Arg + 1;
1536 -- If -l (output license information) is given, it must be the only switch
1538 if License and then Arg_Count /= 2 then
1539 Write_Str ("Can't use -l with another switch");
1542 Exit_Program (E_Fatal);
1545 -- Add the source and object directories specified on the
1546 -- command line, if any, to the searched directories.
1548 while First_Source_Dir /= null loop
1549 Add_Src_Search_Dir (First_Source_Dir.Value.all);
1550 First_Source_Dir := First_Source_Dir.Next;
1553 while First_Lib_Dir /= null loop
1554 Add_Lib_Search_Dir (First_Lib_Dir.Value.all);
1555 First_Lib_Dir := First_Lib_Dir.Next;
1558 -- Finally, add the default directories and obtain target parameters
1560 Osint.Add_Default_Search_Dirs;
1562 if Verbose_Mode then
1563 Targparm.Get_Target_Parameters;
1566 Write_Str ("GNATLS ");
1567 Write_Str (Gnat_Version_String);
1569 Write_Str ("Copyright 1997-" &
1571 ", Free Software Foundation, Inc.");
1574 Write_Str ("Source Search Path:");
1577 for J in 1 .. Nb_Dir_In_Src_Search_Path loop
1580 if Dir_In_Src_Search_Path (J)'Length = 0 then
1581 Write_Str ("<Current_Directory>");
1583 Write_Str (To_Host_Dir_Spec
1584 (Dir_In_Src_Search_Path (J).all, True).all);
1592 Write_Str ("Object Search Path:");
1595 for J in 1 .. Nb_Dir_In_Obj_Search_Path loop
1598 if Dir_In_Obj_Search_Path (J)'Length = 0 then
1599 Write_Str ("<Current_Directory>");
1601 Write_Str (To_Host_Dir_Spec
1602 (Dir_In_Obj_Search_Path (J).all, True).all);
1610 Write_Str (Project_Search_Path);
1612 Write_Str (" <Current_Directory>");
1616 Project_Path : String_Access := Getenv (Gpr_Project_Path);
1618 Lib : constant String :=
1619 Directory_Separator & "lib" & Directory_Separator;
1624 Add_Default_Dir : Boolean := True;
1627 -- If there is a project path, display each directory in the path
1629 if Project_Path.all = "" then
1630 Project_Path := Getenv (Ada_Project_Path);
1633 if Project_Path.all /= "" then
1634 First := Project_Path'First;
1636 while First <= Project_Path'Last
1637 and then (Project_Path (First) = Path_Separator)
1642 exit when First > Project_Path'Last;
1645 while Last < Project_Path'Last
1646 and then Project_Path (Last + 1) /= Path_Separator
1651 -- If the directory is No_Default_Project_Dir, set
1652 -- Add_Default_Dir to False.
1654 if Project_Path (First .. Last) = No_Project_Default_Dir then
1655 Add_Default_Dir := False;
1657 elsif First /= Last or else Project_Path (First) /= '.' then
1659 -- If the directory is ".", skip it as it is the current
1660 -- directory and it is already the first directory in the
1666 (Project_Path (First .. Last), True).all);
1674 -- Add the default dir, except if "-" was one of the "directories"
1675 -- specified in ADA_PROJECT_DIR.
1677 if Add_Default_Dir then
1679 Add_Str_To_Name_Buffer (Sdefault.Search_Dir_Prefix.all);
1681 -- On Windows, make sure that all directory separators are '\'
1683 if Directory_Separator /= '/' then
1684 for J in 1 .. Name_Len loop
1685 if Name_Buffer (J) = '/' then
1686 Name_Buffer (J) := Directory_Separator;
1691 -- Find the sequence "/lib/"
1693 while Name_Len >= Lib'Length
1694 and then Name_Buffer (Name_Len - 4 .. Name_Len) /= Lib
1696 Name_Len := Name_Len - 1;
1699 -- If the sequence "/lib"/ was found, display the default
1700 -- directory <prefix>/lib/gnat/.
1702 if Name_Len >= 5 then
1703 Name_Buffer (Name_Len + 1 .. Name_Len + 4) := "gnat";
1704 Name_Buffer (Name_Len + 5) := Directory_Separator;
1705 Name_Len := Name_Len + 5;
1708 (To_Host_Dir_Spec (Name_Buffer (1 .. Name_Len), True).all);
1716 -- Output usage information when requested
1722 -- Output license information when requested
1725 Output_License_Information;
1726 Exit_Program (E_Success);
1729 if not More_Lib_Files then
1730 if not Print_Usage and then not Verbose_Mode then
1734 Exit_Program (E_Fatal);
1738 Initialize_ALI_Source;
1740 -- Print out all library for which no ALI files can be located
1742 while More_Lib_Files loop
1743 Main_File := Next_Main_Lib_File;
1744 Ali_File := Full_Lib_File_Name (Lib_File_Name (Main_File));
1746 if Ali_File = No_File then
1747 if Very_Verbose_Mode then
1748 GLADE.Output_No_ALI (Lib_File_Name (Main_File));
1751 Write_Str ("Can't find library info for ");
1752 Get_Name_String (Main_File);
1753 Write_Char ('"'); -- "
1754 Write_Str (Name_Buffer (1 .. Name_Len));
1755 Write_Char ('"'); -- "
1760 Ali_File := Strip_Directory (Ali_File);
1762 if Get_Name_Table_Info (Ali_File) = 0 then
1763 Text := Read_Library_Info (Ali_File, True);
1767 pragma Unreferenced (Discard);
1775 Ignore_Errors => True);
1783 if Very_Verbose_Mode then
1784 for A in ALIs.First .. ALIs.Last loop
1785 GLADE.Output_ALI (A);
1791 Find_General_Layout;
1793 for Id in ALIs.First .. ALIs.Last loop
1798 Get_Name_String (Units.Table (ALIs.Table (Id).First_Unit).Uname);
1800 if Also_Predef or else not Is_Internal_Unit then
1801 if ALIs.Table (Id).No_Object then
1802 Output_Object (No_File);
1804 Output_Object (ALIs.Table (Id).Ofile_Full_Name);
1807 -- In verbose mode print all main units in the ALI file, otherwise
1808 -- just print the first one to ease columnwise printout
1810 if Verbose_Mode then
1811 Last_U := ALIs.Table (Id).Last_Unit;
1813 Last_U := ALIs.Table (Id).First_Unit;
1816 for U in ALIs.Table (Id).First_Unit .. Last_U loop
1817 if U /= ALIs.Table (Id).First_Unit
1818 and then Selective_Output
1824 Output_Unit (Id, U);
1826 -- Output source now, unless if it will be done as part of
1827 -- outputing dependencies.
1829 if not (Dependable and then Print_Source) then
1830 Output_Source (Corresponding_Sdep_Entry (Id, U));
1834 -- Print out list of units on which this unit depends (D lines)
1836 if Dependable and then Print_Source then
1837 if Verbose_Mode then
1838 Write_Str ("depends upon");
1846 ALIs.Table (Id).First_Sdep .. ALIs.Table (Id).Last_Sdep
1849 or else not Is_Internal_File_Name (Sdep.Table (D).Sfile)
1851 if Verbose_Mode then
1861 Write_Str (Spaces (1 .. Source_Start - 2));
1874 -- All done. Set proper exit status
1877 Exit_Program (E_Success);