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);
267 end Corresponding_Sdep_Entry;
269 -------------------------
270 -- Find_General_Layout --
271 -------------------------
273 procedure Find_General_Layout is
274 Max_Unit_Length : Integer := 11;
275 Max_Src_Length : Integer := 11;
276 Max_Obj_Length : Integer := 11;
282 -- Compute maximum of each column
284 for Id in ALIs.First .. ALIs.Last loop
285 Get_Name_String (Units.Table (ALIs.Table (Id).First_Unit).Uname);
286 if Also_Predef or else not Is_Internal_Unit then
290 Max_Unit_Length := Integer'Max (Max_Unit_Length, Len);
294 FS := Full_Source_Name (ALIs.Table (Id).Sfile);
297 Get_Name_String (ALIs.Table (Id).Sfile);
298 Name_Len := Name_Len + 13;
300 Get_Name_String (FS);
303 Max_Src_Length := Integer'Max (Max_Src_Length, Name_Len + 1);
307 if ALIs.Table (Id).No_Object then
309 Integer'Max (Max_Obj_Length, No_Obj'Length);
311 Get_Name_String (ALIs.Table (Id).Ofile_Full_Name);
312 Max_Obj_Length := Integer'Max (Max_Obj_Length, Name_Len + 1);
318 -- Verify is output is not wider than maximum number of columns
323 (Max_Unit_Length + Max_Src_Length + Max_Obj_Length) > Max_Column;
325 -- Set start and end of columns
328 Object_End := Object_Start - 1;
331 Object_End := Object_Start + Max_Obj_Length;
334 Unit_Start := Object_End + 1;
335 Unit_End := Unit_Start - 1;
338 Unit_End := Unit_Start + Max_Unit_Length;
341 Source_Start := Unit_End + 1;
343 if Source_Start > Spaces'Last then
344 Source_Start := Spaces'Last;
347 Source_End := Source_Start - 1;
350 Source_End := Source_Start + Max_Src_Length;
352 end Find_General_Layout;
358 procedure Find_Status
359 (FS : in out File_Name_Type;
360 Stamp : Time_Stamp_Type;
362 Status : out File_Status)
364 Tmp1 : File_Name_Type;
365 Tmp2 : File_Name_Type;
368 Tmp1 := Full_Source_Name (FS);
370 if Tmp1 = No_File then
373 elsif File_Stamp (Tmp1) = Stamp then
377 elsif Checksums_Match (Get_File_Checksum (FS), Checksum) then
379 Status := Checksum_OK;
382 Tmp2 := Matching_Full_Source_Name (FS, Stamp);
384 if Tmp2 = No_File then
389 Status := Not_First_On_PATH;
399 package body GLADE is
402 N_Indents : Natural := 0;
433 Image : constant array (Token_Type) of String_Access :=
434 (T_No_ALI => new String'("No_ALI"),
435 T_ALI => new String'("ALI"),
436 T_Unit => new String'("Unit"),
437 T_With => new String'("With"),
438 T_Source => new String'("Source"),
439 T_Afile => new String'("Afile"),
440 T_Ofile => new String'("Ofile"),
441 T_Sfile => new String'("Sfile"),
442 T_Name => new String'("Name"),
443 T_Main => new String'("Main"),
444 T_Kind => new String'("Kind"),
445 T_Flags => new String'("Flags"),
446 T_Preelaborated => new String'("Preelaborated"),
447 T_Pure => new String'("Pure"),
448 T_Has_RACW => new String'("Has_RACW"),
449 T_Remote_Types => new String'("Remote_Types"),
450 T_Shared_Passive => new String'("Shared_Passive"),
451 T_RCI => new String'("RCI"),
452 T_Predefined => new String'("Predefined"),
453 T_Internal => new String'("Internal"),
454 T_Is_Generic => new String'("Is_Generic"),
455 T_Procedure => new String'("procedure"),
456 T_Function => new String'("function"),
457 T_Package => new String'("package"),
458 T_Subprogram => new String'("subprogram"),
459 T_Spec => new String'("spec"),
460 T_Body => new String'("body"));
462 procedure Output_Name (N : Name_Id);
463 -- Remove any encoding info (%b and %s) and output N
465 procedure Output_Afile (A : File_Name_Type);
466 procedure Output_Ofile (O : File_Name_Type);
467 procedure Output_Sfile (S : File_Name_Type);
468 -- Output various names. Check that the name is different from
469 -- no name. Otherwise, skip the output.
471 procedure Output_Token (T : Token_Type);
472 -- Output token using a specific format. That is several
475 -- T_No_ALI .. T_With : <token> & " =>" & NL
476 -- T_Source .. T_Kind : <token> & " => "
477 -- T_Flags : <token> & " =>"
478 -- T_Preelab .. T_Body : " " & <token>
480 procedure Output_Sdep (S : Sdep_Id);
481 procedure Output_Unit (U : Unit_Id);
482 procedure Output_With (W : With_Id);
483 -- Output this entry as a global section (like ALIs)
489 procedure Output_Afile (A : File_Name_Type) is
492 Output_Token (T_Afile);
502 procedure Output_ALI (A : ALI_Id) is
504 Output_Token (T_ALI);
505 N_Indents := N_Indents + 1;
507 Output_Afile (ALIs.Table (A).Afile);
508 Output_Ofile (ALIs.Table (A).Ofile_Full_Name);
509 Output_Sfile (ALIs.Table (A).Sfile);
513 if ALIs.Table (A).Main_Program /= None then
514 Output_Token (T_Main);
516 if ALIs.Table (A).Main_Program = Proc then
517 Output_Token (T_Procedure);
519 Output_Token (T_Function);
527 for U in ALIs.Table (A).First_Unit .. ALIs.Table (A).Last_Unit loop
533 for S in ALIs.Table (A).First_Sdep .. ALIs.Table (A).Last_Sdep loop
537 N_Indents := N_Indents - 1;
544 procedure Output_No_ALI (Afile : File_Name_Type) is
546 Output_Token (T_No_ALI);
547 N_Indents := N_Indents + 1;
548 Output_Afile (Afile);
549 N_Indents := N_Indents - 1;
556 procedure Output_Name (N : Name_Id) is
558 -- Remove any encoding info (%s or %b)
563 and then Name_Buffer (Name_Len - 1) = '%'
565 Name_Len := Name_Len - 2;
568 Output_Token (T_Name);
569 Write_Str (Name_Buffer (1 .. Name_Len));
577 procedure Output_Ofile (O : File_Name_Type) is
580 Output_Token (T_Ofile);
590 procedure Output_Sdep (S : Sdep_Id) is
592 Output_Token (T_Source);
593 Write_Name (Sdep.Table (S).Sfile);
601 procedure Output_Sfile (S : File_Name_Type) is
602 FS : File_Name_Type := S;
605 if FS /= No_File then
607 -- We want to output the full source name
609 FS := Full_Source_Name (FS);
611 -- There is no full source name. This occurs for instance when a
612 -- withed unit has a spec file but no body file. This situation
613 -- is not a problem for GLADE since the unit may be located on
614 -- a partition we do not want to build. However, we need to
615 -- locate the spec file and to find its full source name.
616 -- Replace the body file name with the spec file name used to
617 -- compile the current unit when possible.
623 and then Name_Buffer (Name_Len - 3 .. Name_Len) = ".adb"
625 Name_Buffer (Name_Len) := 's';
626 FS := Full_Source_Name (Name_Find);
631 if FS /= No_File then
632 Output_Token (T_Sfile);
642 procedure Output_Token (T : Token_Type) is
644 if T in T_No_ALI .. T_Flags then
645 for J in 1 .. N_Indents loop
649 Write_Str (Image (T).all);
651 for J in Image (T)'Length .. 12 loop
657 if T in T_No_ALI .. T_With then
659 elsif T in T_Source .. T_Name then
663 elsif T in T_Preelaborated .. T_Body then
664 if T in T_Preelaborated .. T_Is_Generic then
666 Output_Token (T_Flags);
669 N_Flags := N_Flags + 1;
673 Write_Str (Image (T).all);
676 Write_Str (Image (T).all);
684 procedure Output_Unit (U : Unit_Id) is
686 Output_Token (T_Unit);
687 N_Indents := N_Indents + 1;
691 Output_Name (Name_Id (Units.Table (U).Uname));
695 Output_Token (T_Kind);
697 if Units.Table (U).Unit_Kind = 'p' then
698 Output_Token (T_Package);
700 Output_Token (T_Subprogram);
703 if Name_Buffer (Name_Len) = 's' then
704 Output_Token (T_Spec);
706 Output_Token (T_Body);
711 -- Output source file name
713 Output_Sfile (Units.Table (U).Sfile);
719 if Units.Table (U).Preelab then
720 Output_Token (T_Preelaborated);
723 if Units.Table (U).Pure then
724 Output_Token (T_Pure);
727 if Units.Table (U).Has_RACW then
728 Output_Token (T_Has_RACW);
731 if Units.Table (U).Remote_Types then
732 Output_Token (T_Remote_Types);
735 if Units.Table (U).Shared_Passive then
736 Output_Token (T_Shared_Passive);
739 if Units.Table (U).RCI then
740 Output_Token (T_RCI);
743 if Units.Table (U).Predefined then
744 Output_Token (T_Predefined);
747 if Units.Table (U).Internal then
748 Output_Token (T_Internal);
751 if Units.Table (U).Is_Generic then
752 Output_Token (T_Is_Generic);
761 for W in Units.Table (U).First_With .. Units.Table (U).Last_With loop
765 N_Indents := N_Indents - 1;
772 procedure Output_With (W : With_Id) is
774 Output_Token (T_With);
775 N_Indents := N_Indents + 1;
777 Output_Name (Name_Id (Withs.Table (W).Uname));
781 Output_Token (T_Kind);
783 if Name_Buffer (Name_Len) = 's' then
784 Output_Token (T_Spec);
786 Output_Token (T_Body);
791 Output_Afile (Withs.Table (W).Afile);
792 Output_Sfile (Withs.Table (W).Sfile);
794 N_Indents := N_Indents - 1;
803 function Image (Restriction : Restriction_Id) return String is
804 Result : String := Restriction'Img;
805 Skip : Boolean := True;
808 for J in Result'Range loop
811 Result (J) := To_Upper (Result (J));
813 elsif Result (J) = '_' then
817 Result (J) := To_Lower (Result (J));
824 --------------------------------
825 -- Output_License_Information --
826 --------------------------------
828 procedure Output_License_Information is
829 Params_File_Name : constant String := "gnatlic.adl";
830 -- Name of license file
832 Lo : constant Source_Ptr := 1;
834 Text : Source_Buffer_Ptr;
838 Add_Str_To_Name_Buffer (Params_File_Name);
839 Read_Source_File (Name_Find, Lo, Hi, Text);
843 -- Omit last character (end-of-file marker) in output
845 Write_Str (String (Text (Lo .. Hi - 1)));
848 -- The following condition is determined at compile time: disable
849 -- "condition is always true/false" warning.
851 pragma Warnings (Off);
852 elsif Build_Type /= GPL and then Build_Type /= FSF then
853 pragma Warnings (On);
855 Write_Str ("License file missing, please contact AdaCore.");
859 Write_Str ("Please refer to file COPYING in your distribution"
860 & " for license terms.");
865 Exit_Program (E_Success);
866 end Output_License_Information;
872 procedure Output_Object (O : File_Name_Type) is
873 Object_Name : String_Access;
879 Object_Name := To_Host_File_Spec (Name_Buffer (1 .. Name_Len));
881 Object_Name := No_Obj'Unchecked_Access;
884 Write_Str (Object_Name.all);
886 if Print_Source or else Print_Unit then
892 (Object_Start + Object_Name'Length .. Object_End));
902 procedure Output_Source (Sdep_I : Sdep_Id) is
903 Stamp : Time_Stamp_Type;
906 Status : File_Status;
907 Object_Name : String_Access;
910 if Sdep_I = No_Sdep_Id then
914 Stamp := Sdep.Table (Sdep_I).Stamp;
915 Checksum := Sdep.Table (Sdep_I).Checksum;
916 FS := Sdep.Table (Sdep_I).Sfile;
919 Find_Status (FS, Stamp, Checksum, Status);
920 Get_Name_String (FS);
922 Object_Name := To_Host_File_Spec (Name_Buffer (1 .. Name_Len));
925 Write_Str (" Source => ");
926 Write_Str (Object_Name.all);
930 (Spaces (Source_Start + Object_Name'Length .. Source_End));
933 Output_Status (Status, Verbose => True);
938 if not Selective_Output then
939 Output_Status (Status, Verbose => False);
942 Write_Str (Object_Name.all);
951 procedure Output_Status (FS : File_Status; Verbose : Boolean) is
956 Write_Str (" unchanged");
959 Write_Str (" slightly modified");
962 Write_Str (" file not found");
965 Write_Str (" modified");
967 when Not_First_On_PATH =>
968 Write_Str (" unchanged version not first on PATH");
985 when Not_First_On_PATH =>
995 procedure Output_Unit (ALI : ALI_Id; U_Id : Unit_Id) is
997 U : Unit_Record renames Units.Table (U_Id);
1001 Get_Name_String (U.Uname);
1002 Kind := Name_Buffer (Name_Len);
1003 Name_Len := Name_Len - 2;
1005 if not Verbose_Mode then
1006 Write_Str (Name_Buffer (1 .. Name_Len));
1009 Write_Str ("Unit => ");
1011 Write_Str (" Name => ");
1012 Write_Str (Name_Buffer (1 .. Name_Len));
1014 Write_Str (" Kind => ");
1016 if Units.Table (U_Id).Unit_Kind = 'p' then
1017 Write_Str ("package ");
1019 Write_Str ("subprogram ");
1029 if Verbose_Mode then
1043 U.Body_Needed_For_SAL or
1047 Write_Str (" Flags =>");
1050 Write_Str (" Preelaborable");
1054 Write_Str (" No_Elab_Code");
1058 Write_Str (" Pure");
1061 if U.Dynamic_Elab then
1062 Write_Str (" Dynamic_Elab");
1066 Write_Str (" Has_RACW");
1069 if U.Remote_Types then
1070 Write_Str (" Remote_Types");
1073 if U.Shared_Passive then
1074 Write_Str (" Shared_Passive");
1081 if U.Predefined then
1082 Write_Str (" Predefined");
1086 Write_Str (" Internal");
1089 if U.Is_Generic then
1090 Write_Str (" Is_Generic");
1093 if U.Init_Scalars then
1094 Write_Str (" Init_Scalars");
1097 if U.SAL_Interface then
1098 Write_Str (" SAL_Interface");
1101 if U.Body_Needed_For_SAL then
1102 Write_Str (" Body_Needed_For_SAL");
1105 if U.Elaborate_Body then
1106 Write_Str (" Elaborate Body");
1109 if U.Remote_Types then
1110 Write_Str (" Remote_Types");
1113 if U.Shared_Passive then
1114 Write_Str (" Shared_Passive");
1117 if U.Predefined then
1118 Write_Str (" Predefined");
1124 Restrictions : constant Restrictions_Info :=
1125 ALIs.Table (ALI).Restrictions;
1128 -- If the source was compiled with pragmas Restrictions,
1129 -- Display these restrictions.
1131 if Restrictions.Set /= (All_Restrictions => False) then
1133 Write_Str (" pragma Restrictions =>");
1135 -- For boolean restrictions, just display the name of the
1136 -- restriction; for valued restrictions, also display the
1137 -- restriction value.
1139 for Restriction in All_Restrictions loop
1140 if Restrictions.Set (Restriction) then
1143 Write_Str (Image (Restriction));
1145 if Restriction in All_Parameter_Restrictions then
1147 Write_Str (Restrictions.Value (Restriction)'Img);
1153 -- If the unit violates some Restrictions, display the list of
1154 -- these restrictions.
1156 if Restrictions.Violated /= (All_Restrictions => False) then
1158 Write_Str (" Restrictions violated =>");
1160 -- For boolean restrictions, just display the name of the
1161 -- restriction; for valued restrictions, also display the
1162 -- restriction value.
1164 for Restriction in All_Restrictions loop
1165 if Restrictions.Violated (Restriction) then
1168 Write_Str (Image (Restriction));
1170 if Restriction in All_Parameter_Restrictions then
1171 if Restrictions.Count (Restriction) > 0 then
1174 if Restrictions.Unknown (Restriction) then
1175 Write_Str (" at least");
1178 Write_Str (Restrictions.Count (Restriction)'Img);
1187 if Print_Source then
1192 Write_Str (Spaces (Unit_Start + Name_Len + 1 .. Unit_End));
1202 procedure Reset_Print is
1204 if not Selective_Output then
1205 Selective_Output := True;
1206 Print_Source := False;
1207 Print_Object := False;
1208 Print_Unit := False;
1216 procedure Scan_Ls_Arg (Argv : String) is
1217 FD : File_Descriptor;
1221 pragma Assert (Argv'First = 1);
1223 if Argv'Length = 0 then
1227 if Argv (1) = '-' then
1228 if Argv'Length = 1 then
1229 Fail ("switch character cannot be followed by a blank");
1231 -- Processing for -I-
1233 elsif Argv (2 .. Argv'Last) = "I-" then
1234 Opt.Look_In_Primary_Dir := False;
1236 -- Forbid -?- or -??- where ? is any character
1238 elsif (Argv'Length = 3 and then Argv (3) = '-')
1239 or else (Argv'Length = 4 and then Argv (4) = '-')
1241 Fail ("Trailing ""-"" at the end of ", Argv, " forbidden.");
1243 -- Processing for -Idir
1245 elsif Argv (2) = 'I' then
1246 Add_Source_Dir (Argv (3 .. Argv'Last));
1247 Add_Lib_Dir (Argv (3 .. Argv'Last));
1249 -- Processing for -aIdir (to gcc this is like a -I switch)
1251 elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aI" then
1252 Add_Source_Dir (Argv (4 .. Argv'Last));
1254 -- Processing for -aOdir
1256 elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aO" then
1257 Add_Lib_Dir (Argv (4 .. Argv'Last));
1259 -- Processing for -aLdir (to gnatbind this is like a -aO switch)
1261 elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aL" then
1262 Add_Lib_Dir (Argv (4 .. Argv'Last));
1264 -- Processing for -nostdinc
1266 elsif Argv (2 .. Argv'Last) = "nostdinc" then
1267 Opt.No_Stdinc := True;
1269 -- Processing for one character switches
1271 elsif Argv'Length = 2 then
1273 when 'a' => Also_Predef := True;
1274 when 'h' => Print_Usage := True;
1275 when 'u' => Reset_Print; Print_Unit := True;
1276 when 's' => Reset_Print; Print_Source := True;
1277 when 'o' => Reset_Print; Print_Object := True;
1278 when 'v' => Verbose_Mode := True;
1279 when 'd' => Dependable := True;
1280 when 'l' => License := True;
1281 when 'V' => Very_Verbose_Mode := True;
1283 when others => null;
1286 -- Processing for -files=file
1288 elsif Argv'Length > 7 and then Argv (1 .. 7) = "-files=" then
1289 FD := Open_Read (Argv (8 .. Argv'Last), GNAT.OS_Lib.Text);
1291 if FD = Invalid_FD then
1292 Osint.Fail ("could not find text file """ &
1293 Argv (8 .. Argv'Last) & '"');
1296 Len := Integer (File_Length (FD));
1299 Buffer : String (1 .. Len + 1);
1300 Index : Positive := 1;
1306 Len := Read (FD, Buffer (1)'Address, Len);
1307 Buffer (Buffer'Last) := ASCII.NUL;
1310 -- Scan the file line by line
1312 while Index < Buffer'Last loop
1314 -- Find the end of line
1318 while Last <= Buffer'Last
1319 and then Buffer (Last) /= ASCII.LF
1320 and then Buffer (Last) /= ASCII.CR
1325 -- Ignore empty lines
1327 if Last > Index then
1328 Add_File (Buffer (Index .. Last - 1));
1333 -- Find the beginning of the next line
1335 while Buffer (Index) = ASCII.CR or else
1336 Buffer (Index) = ASCII.LF
1343 -- Processing for --RTS=path
1345 elsif Argv'Length >= 5 and then Argv (1 .. 5) = "--RTS" then
1346 if Argv'Length <= 6 or else Argv (6) /= '='then
1347 Osint.Fail ("missing path for --RTS");
1350 -- Check that it is the first time we see this switch or, if
1351 -- it is not the first time, the same path is specified.
1353 if RTS_Specified = null then
1354 RTS_Specified := new String'(Argv (7 .. Argv'Last));
1356 elsif RTS_Specified.all /= Argv (7 .. Argv'Last) then
1357 Osint.Fail ("--RTS cannot be specified multiple times");
1360 -- Valid --RTS switch
1362 Opt.No_Stdinc := True;
1363 Opt.RTS_Switch := True;
1366 Src_Path_Name : constant String_Ptr :=
1369 (Argv (7 .. Argv'Last), Include));
1370 Lib_Path_Name : constant String_Ptr :=
1373 (Argv (7 .. Argv'Last), Objects));
1376 if Src_Path_Name /= null
1377 and then Lib_Path_Name /= null
1379 Add_Search_Dirs (Src_Path_Name, Include);
1380 Add_Search_Dirs (Lib_Path_Name, Objects);
1382 elsif Src_Path_Name = null
1383 and then Lib_Path_Name = null
1385 Osint.Fail ("RTS path not valid: missing " &
1386 "adainclude and adalib directories");
1388 elsif Src_Path_Name = null then
1389 Osint.Fail ("RTS path not valid: missing " &
1390 "adainclude directory");
1392 elsif Lib_Path_Name = null then
1393 Osint.Fail ("RTS path not valid: missing " &
1394 "adalib directory");
1400 -- If not a switch, it must be a file name
1415 Write_Str ("Usage: ");
1416 Osint.Write_Program_Name;
1417 Write_Str (" switches [list of object files]");
1423 Write_Str ("switches:");
1428 Write_Str (" -a also output relevant predefined units");
1433 Write_Str (" -u output only relevant unit names");
1438 Write_Str (" -h output this help message");
1443 Write_Str (" -s output only relevant source names");
1448 Write_Str (" -o output only relevant object names");
1453 Write_Str (" -d output sources on which specified units " &
1459 Write_Str (" -l output license information");
1464 Write_Str (" -v verbose output, full path and unit " &
1471 Write_Str (" -files=fil files are listed in text file 'fil'");
1474 -- Line for -aI switch
1476 Write_Str (" -aIdir specify source files search path");
1479 -- Line for -aO switch
1481 Write_Str (" -aOdir specify object files search path");
1484 -- Line for -I switch
1486 Write_Str (" -Idir like -aIdir -aOdir");
1489 -- Line for -I- switch
1491 Write_Str (" -I- do not look for sources & object files");
1492 Write_Str (" in the default directory");
1495 -- Line for -nostdinc
1497 Write_Str (" -nostdinc do not look for source files");
1498 Write_Str (" in the system default directory");
1503 Write_Str (" --RTS=dir specify the default source and object search"
1507 -- File Status explanation
1510 Write_Str (" file status can be:");
1513 for ST in File_Status loop
1515 Output_Status (ST, Verbose => False);
1516 Write_Str (" ==> ");
1517 Output_Status (ST, Verbose => True);
1522 -- Start of processing for Gnatls
1525 -- Initialize standard packages
1531 -- Loop to scan out arguments
1534 Scan_Args : while Next_Arg < Arg_Count loop
1536 Next_Argv : String (1 .. Len_Arg (Next_Arg));
1538 Fill_Arg (Next_Argv'Address, Next_Arg);
1539 Scan_Ls_Arg (Next_Argv);
1542 Next_Arg := Next_Arg + 1;
1545 -- If -l (output license information) is given, it must be the only switch
1547 if License and then Arg_Count /= 2 then
1548 Write_Str ("Can't use -l with another switch");
1551 Exit_Program (E_Fatal);
1554 -- Add the source and object directories specified on the
1555 -- command line, if any, to the searched directories.
1557 while First_Source_Dir /= null loop
1558 Add_Src_Search_Dir (First_Source_Dir.Value.all);
1559 First_Source_Dir := First_Source_Dir.Next;
1562 while First_Lib_Dir /= null loop
1563 Add_Lib_Search_Dir (First_Lib_Dir.Value.all);
1564 First_Lib_Dir := First_Lib_Dir.Next;
1567 -- Finally, add the default directories and obtain target parameters
1569 Osint.Add_Default_Search_Dirs;
1571 if Verbose_Mode then
1572 Targparm.Get_Target_Parameters;
1575 Write_Str ("GNATLS ");
1576 Write_Str (Gnat_Version_String);
1578 Write_Str ("Copyright 1997-" &
1580 ", Free Software Foundation, Inc.");
1583 Write_Str ("Source Search Path:");
1586 for J in 1 .. Nb_Dir_In_Src_Search_Path loop
1589 if Dir_In_Src_Search_Path (J)'Length = 0 then
1590 Write_Str ("<Current_Directory>");
1592 Write_Str (To_Host_Dir_Spec
1593 (Dir_In_Src_Search_Path (J).all, True).all);
1601 Write_Str ("Object Search Path:");
1604 for J in 1 .. Nb_Dir_In_Obj_Search_Path loop
1607 if Dir_In_Obj_Search_Path (J)'Length = 0 then
1608 Write_Str ("<Current_Directory>");
1610 Write_Str (To_Host_Dir_Spec
1611 (Dir_In_Obj_Search_Path (J).all, True).all);
1619 Write_Str (Project_Search_Path);
1621 Write_Str (" <Current_Directory>");
1625 Project_Path : String_Access := Getenv (Gpr_Project_Path);
1627 Lib : constant String :=
1628 Directory_Separator & "lib" & Directory_Separator;
1633 Add_Default_Dir : Boolean := True;
1636 -- If there is a project path, display each directory in the path
1638 if Project_Path.all = "" then
1639 Project_Path := Getenv (Ada_Project_Path);
1642 if Project_Path.all /= "" then
1643 First := Project_Path'First;
1645 while First <= Project_Path'Last
1646 and then (Project_Path (First) = Path_Separator)
1651 exit when First > Project_Path'Last;
1654 while Last < Project_Path'Last
1655 and then Project_Path (Last + 1) /= Path_Separator
1660 -- If the directory is No_Default_Project_Dir, set
1661 -- Add_Default_Dir to False.
1663 if Project_Path (First .. Last) = No_Project_Default_Dir then
1664 Add_Default_Dir := False;
1666 elsif First /= Last or else Project_Path (First) /= '.' then
1668 -- If the directory is ".", skip it as it is the current
1669 -- directory and it is already the first directory in the
1675 (Project_Path (First .. Last), True).all);
1683 -- Add the default dir, except if "-" was one of the "directories"
1684 -- specified in ADA_PROJECT_DIR.
1686 if Add_Default_Dir then
1688 Add_Str_To_Name_Buffer (Sdefault.Search_Dir_Prefix.all);
1690 -- On Windows, make sure that all directory separators are '\'
1692 if Directory_Separator /= '/' then
1693 for J in 1 .. Name_Len loop
1694 if Name_Buffer (J) = '/' then
1695 Name_Buffer (J) := Directory_Separator;
1700 -- Find the sequence "/lib/"
1702 while Name_Len >= Lib'Length
1703 and then Name_Buffer (Name_Len - 4 .. Name_Len) /= Lib
1705 Name_Len := Name_Len - 1;
1708 -- If the sequence "/lib"/ was found, display the default
1709 -- directory <prefix>/lib/gnat/.
1711 if Name_Len >= 5 then
1712 Name_Buffer (Name_Len + 1 .. Name_Len + 4) := "gnat";
1713 Name_Buffer (Name_Len + 5) := Directory_Separator;
1714 Name_Len := Name_Len + 5;
1717 (To_Host_Dir_Spec (Name_Buffer (1 .. Name_Len), True).all);
1725 -- Output usage information when requested
1731 -- Output license information when requested
1734 Output_License_Information;
1735 Exit_Program (E_Success);
1738 if not More_Lib_Files then
1739 if not Print_Usage and then not Verbose_Mode then
1743 Exit_Program (E_Fatal);
1747 Initialize_ALI_Source;
1749 -- Print out all library for which no ALI files can be located
1751 while More_Lib_Files loop
1752 Main_File := Next_Main_Lib_File;
1753 Ali_File := Full_Lib_File_Name (Lib_File_Name (Main_File));
1755 if Ali_File = No_File then
1756 if Very_Verbose_Mode then
1757 GLADE.Output_No_ALI (Lib_File_Name (Main_File));
1760 Write_Str ("Can't find library info for ");
1761 Get_Name_String (Main_File);
1762 Write_Char ('"'); -- "
1763 Write_Str (Name_Buffer (1 .. Name_Len));
1764 Write_Char ('"'); -- "
1769 Ali_File := Strip_Directory (Ali_File);
1771 if Get_Name_Table_Info (Ali_File) = 0 then
1772 Text := Read_Library_Info (Ali_File, True);
1776 pragma Unreferenced (Discard);
1784 Ignore_Errors => True);
1792 if Very_Verbose_Mode then
1793 for A in ALIs.First .. ALIs.Last loop
1794 GLADE.Output_ALI (A);
1800 Find_General_Layout;
1802 for Id in ALIs.First .. ALIs.Last loop
1807 Get_Name_String (Units.Table (ALIs.Table (Id).First_Unit).Uname);
1809 if Also_Predef or else not Is_Internal_Unit then
1810 if ALIs.Table (Id).No_Object then
1811 Output_Object (No_File);
1813 Output_Object (ALIs.Table (Id).Ofile_Full_Name);
1816 -- In verbose mode print all main units in the ALI file, otherwise
1817 -- just print the first one to ease columnwise printout
1819 if Verbose_Mode then
1820 Last_U := ALIs.Table (Id).Last_Unit;
1822 Last_U := ALIs.Table (Id).First_Unit;
1825 for U in ALIs.Table (Id).First_Unit .. Last_U loop
1826 if U /= ALIs.Table (Id).First_Unit
1827 and then Selective_Output
1833 Output_Unit (Id, U);
1835 -- Output source now, unless if it will be done as part of
1836 -- outputing dependencies.
1838 if not (Dependable and then Print_Source) then
1839 Output_Source (Corresponding_Sdep_Entry (Id, U));
1843 -- Print out list of units on which this unit depends (D lines)
1845 if Dependable and then Print_Source then
1846 if Verbose_Mode then
1847 Write_Str ("depends upon");
1855 ALIs.Table (Id).First_Sdep .. ALIs.Table (Id).Last_Sdep
1858 or else not Is_Internal_File_Name (Sdep.Table (D).Sfile)
1860 if Verbose_Mode then
1870 Write_Str (Spaces (1 .. Source_Start - 2));
1883 -- All done. Set proper exit status
1886 Exit_Program (E_Success);