1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1992-2011, 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 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. --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
24 ------------------------------------------------------------------------------
27 with ALI.Util; use ALI.Util;
28 with Binderr; use Binderr;
29 with Butil; use Butil;
30 with Csets; use Csets;
31 with Fname; use Fname;
32 with Gnatvsn; use Gnatvsn;
33 with GNAT.OS_Lib; use GNAT.OS_Lib;
34 with Namet; use Namet;
36 with Osint; use Osint;
37 with Osint.L; use Osint.L;
38 with Output; use Output;
39 with Prj.Env; use Prj.Env;
40 with Rident; use Rident;
43 with Switch; use Switch;
44 with Types; use Types;
46 with GNAT.Case_Util; use GNAT.Case_Util;
49 pragma Ident (Gnat_Static_Version_String);
51 -- NOTE : The following string may be used by other tools, such as GPS. So
52 -- it can only be modified if these other uses are checked and coordinated.
54 Project_Search_Path : constant String := "Project Search Path:";
55 -- Label displayed in verbose mode before the directories in the project
56 -- search path. Do not modify without checking NOTE above.
58 Prj_Path : Prj.Env.Project_Search_Path;
60 Max_Column : constant := 80;
62 No_Obj : aliased String := "<no_obj>";
65 OK, -- matching timestamp
66 Checksum_OK, -- only matching checksum
67 Not_Found, -- file not found on source PATH
68 Not_Same, -- neither checksum nor timestamp matching
69 Not_First_On_PATH); -- matching file hidden by Not_Same file on path
72 type Dir_Ref is access Dir_Data;
74 type Dir_Data is record
75 Value : String_Access;
80 First_Source_Dir : Dir_Ref;
81 Last_Source_Dir : Dir_Ref;
82 -- The list of source directories from the command line.
83 -- These directories are added using Osint.Add_Src_Search_Dir
84 -- after those of the GNAT Project File, if any.
86 First_Lib_Dir : Dir_Ref;
87 Last_Lib_Dir : Dir_Ref;
88 -- The list of object directories from the command line.
89 -- These directories are added using Osint.Add_Lib_Search_Dir
90 -- after those of the GNAT Project File, if any.
92 Main_File : File_Name_Type;
93 Ali_File : File_Name_Type;
94 Text : Text_Buffer_Ptr;
97 Too_Long : Boolean := False;
98 -- When True, lines are too long for multi-column output and each
99 -- item of information is on a different line.
101 Selective_Output : Boolean := False;
102 Print_Usage : Boolean := False;
103 Print_Unit : Boolean := True;
104 Print_Source : Boolean := True;
105 Print_Object : Boolean := True;
106 -- Flags controlling the form of the output
108 Also_Predef : Boolean := False; -- -a
109 Dependable : Boolean := False; -- -d
110 License : Boolean := False; -- -l
111 Very_Verbose_Mode : Boolean := False; -- -V
112 -- Command line flags
114 Unit_Start : Integer;
116 Source_Start : Integer;
117 Source_End : Integer;
118 Object_Start : Integer;
119 Object_End : Integer;
120 -- Various column starts and ends
122 Spaces : constant String (1 .. Max_Column) := (others => ' ');
124 RTS_Specified : String_Access := null;
125 -- Used to detect multiple use of --RTS= switch
127 -----------------------
128 -- Local Subprograms --
129 -----------------------
131 procedure Add_Lib_Dir (Dir : String);
132 -- Add an object directory in the list First_Lib_Dir-Last_Lib_Dir
134 procedure Add_Source_Dir (Dir : String);
135 -- Add a source directory in the list First_Source_Dir-Last_Source_Dir
137 procedure Find_General_Layout;
138 -- Determine the structure of the output (multi columns or not, etc)
140 procedure Find_Status
141 (FS : in out File_Name_Type;
142 Stamp : Time_Stamp_Type;
144 Status : out File_Status);
145 -- Determine the file status (Status) of the file represented by FS
146 -- with the expected Stamp and checksum given as argument. FS will be
147 -- updated to the full file name if available.
149 function Corresponding_Sdep_Entry (A : ALI_Id; U : Unit_Id) return Sdep_Id;
150 -- Give the Sdep entry corresponding to the unit U in ali record A
152 procedure Output_Object (O : File_Name_Type);
153 -- Print out the name of the object when requested
155 procedure Output_Source (Sdep_I : Sdep_Id);
156 -- Print out the name and status of the source corresponding to this
159 procedure Output_Status (FS : File_Status; Verbose : Boolean);
160 -- Print out FS either in a coded form if verbose is false or in an
161 -- expanded form otherwise.
163 procedure Output_Unit (ALI : ALI_Id; U_Id : Unit_Id);
164 -- Print out information on the unit when requested
166 procedure Reset_Print;
167 -- Reset Print flags properly when selective output is chosen
169 procedure Scan_Ls_Arg (Argv : String);
170 -- Scan and process lser specific arguments. Argv is a single argument
173 -- Print usage message
175 procedure Output_License_Information;
176 -- Output license statement, and if not found, output reference to
179 function Image (Restriction : Restriction_Id) return String;
180 -- Returns the capitalized image of Restriction
182 ------------------------------------------
183 -- GNATDIST specific output subprograms --
184 ------------------------------------------
188 -- Any modification to this subunit requires synchronization with the
191 procedure Output_ALI (A : ALI_Id);
192 -- Comment required saying what this routine does ???
194 procedure Output_No_ALI (Afile : File_Name_Type);
195 -- Comments required saying what this routine does ???
203 procedure Add_Lib_Dir (Dir : String) is
205 if First_Lib_Dir = null then
208 (Value => new String'(Dir),
210 Last_Lib_Dir := First_Lib_Dir;
215 (Value => new String'(Dir),
217 Last_Lib_Dir := Last_Lib_Dir.Next;
225 procedure Add_Source_Dir (Dir : String) is
227 if First_Source_Dir = null then
230 (Value => new String'(Dir),
232 Last_Source_Dir := First_Source_Dir;
235 Last_Source_Dir.Next :=
237 (Value => new String'(Dir),
239 Last_Source_Dir := Last_Source_Dir.Next;
243 ------------------------------
244 -- Corresponding_Sdep_Entry --
245 ------------------------------
247 function Corresponding_Sdep_Entry
249 U : Unit_Id) return Sdep_Id
252 for D in ALIs.Table (A).First_Sdep .. ALIs.Table (A).Last_Sdep loop
253 if Sdep.Table (D).Sfile = Units.Table (U).Sfile then
258 Error_Msg_Unit_1 := Units.Table (U).Uname;
259 Error_Msg_File_1 := ALIs.Table (A).Afile;
261 Error_Msg ("wrong ALI format, can't find dependency line for $ in {");
262 Exit_Program (E_Fatal);
264 end Corresponding_Sdep_Entry;
266 -------------------------
267 -- Find_General_Layout --
268 -------------------------
270 procedure Find_General_Layout is
271 Max_Unit_Length : Integer := 11;
272 Max_Src_Length : Integer := 11;
273 Max_Obj_Length : Integer := 11;
279 -- Compute maximum of each column
281 for Id in ALIs.First .. ALIs.Last loop
282 Get_Name_String (Units.Table (ALIs.Table (Id).First_Unit).Uname);
283 if Also_Predef or else not Is_Internal_Unit then
287 Max_Unit_Length := Integer'Max (Max_Unit_Length, Len);
291 FS := Full_Source_Name (ALIs.Table (Id).Sfile);
294 Get_Name_String (ALIs.Table (Id).Sfile);
295 Name_Len := Name_Len + 13;
297 Get_Name_String (FS);
300 Max_Src_Length := Integer'Max (Max_Src_Length, Name_Len + 1);
304 if ALIs.Table (Id).No_Object then
306 Integer'Max (Max_Obj_Length, No_Obj'Length);
308 Get_Name_String (ALIs.Table (Id).Ofile_Full_Name);
309 Max_Obj_Length := Integer'Max (Max_Obj_Length, Name_Len + 1);
315 -- Verify is output is not wider than maximum number of columns
320 (Max_Unit_Length + Max_Src_Length + Max_Obj_Length) > Max_Column;
322 -- Set start and end of columns
325 Object_End := Object_Start - 1;
328 Object_End := Object_Start + Max_Obj_Length;
331 Unit_Start := Object_End + 1;
332 Unit_End := Unit_Start - 1;
335 Unit_End := Unit_Start + Max_Unit_Length;
338 Source_Start := Unit_End + 1;
340 if Source_Start > Spaces'Last then
341 Source_Start := Spaces'Last;
344 Source_End := Source_Start - 1;
347 Source_End := Source_Start + Max_Src_Length;
349 end Find_General_Layout;
355 procedure Find_Status
356 (FS : in out File_Name_Type;
357 Stamp : Time_Stamp_Type;
359 Status : out File_Status)
361 Tmp1 : File_Name_Type;
362 Tmp2 : File_Name_Type;
365 Tmp1 := Full_Source_Name (FS);
367 if Tmp1 = No_File then
370 elsif File_Stamp (Tmp1) = Stamp then
374 elsif Checksums_Match (Get_File_Checksum (FS), Checksum) then
376 Status := Checksum_OK;
379 Tmp2 := Matching_Full_Source_Name (FS, Stamp);
381 if Tmp2 = No_File then
386 Status := Not_First_On_PATH;
396 package body GNATDIST is
399 N_Indents : Natural := 0;
430 Image : constant array (Token_Type) of String_Access :=
431 (T_No_ALI => new String'("No_ALI"),
432 T_ALI => new String'("ALI"),
433 T_Unit => new String'("Unit"),
434 T_With => new String'("With"),
435 T_Source => new String'("Source"),
436 T_Afile => new String'("Afile"),
437 T_Ofile => new String'("Ofile"),
438 T_Sfile => new String'("Sfile"),
439 T_Name => new String'("Name"),
440 T_Main => new String'("Main"),
441 T_Kind => new String'("Kind"),
442 T_Flags => new String'("Flags"),
443 T_Preelaborated => new String'("Preelaborated"),
444 T_Pure => new String'("Pure"),
445 T_Has_RACW => new String'("Has_RACW"),
446 T_Remote_Types => new String'("Remote_Types"),
447 T_Shared_Passive => new String'("Shared_Passive"),
448 T_RCI => new String'("RCI"),
449 T_Predefined => new String'("Predefined"),
450 T_Internal => new String'("Internal"),
451 T_Is_Generic => new String'("Is_Generic"),
452 T_Procedure => new String'("procedure"),
453 T_Function => new String'("function"),
454 T_Package => new String'("package"),
455 T_Subprogram => new String'("subprogram"),
456 T_Spec => new String'("spec"),
457 T_Body => new String'("body"));
459 procedure Output_Name (N : Name_Id);
460 -- Remove any encoding info (%b and %s) and output N
462 procedure Output_Afile (A : File_Name_Type);
463 procedure Output_Ofile (O : File_Name_Type);
464 procedure Output_Sfile (S : File_Name_Type);
465 -- Output various names. Check that the name is different from no name.
466 -- Otherwise, skip the output.
468 procedure Output_Token (T : Token_Type);
469 -- Output token using specific format. That is several indentations and:
471 -- T_No_ALI .. T_With : <token> & " =>" & NL
472 -- T_Source .. T_Kind : <token> & " => "
473 -- T_Flags : <token> & " =>"
474 -- T_Preelab .. T_Body : " " & <token>
476 procedure Output_Sdep (S : Sdep_Id);
477 procedure Output_Unit (U : Unit_Id);
478 procedure Output_With (W : With_Id);
479 -- Output this entry as a global section (like ALIs)
485 procedure Output_Afile (A : File_Name_Type) is
488 Output_Token (T_Afile);
498 procedure Output_ALI (A : ALI_Id) is
500 Output_Token (T_ALI);
501 N_Indents := N_Indents + 1;
503 Output_Afile (ALIs.Table (A).Afile);
504 Output_Ofile (ALIs.Table (A).Ofile_Full_Name);
505 Output_Sfile (ALIs.Table (A).Sfile);
509 if ALIs.Table (A).Main_Program /= None then
510 Output_Token (T_Main);
512 if ALIs.Table (A).Main_Program = Proc then
513 Output_Token (T_Procedure);
515 Output_Token (T_Function);
523 for U in ALIs.Table (A).First_Unit .. ALIs.Table (A).Last_Unit loop
529 for S in ALIs.Table (A).First_Sdep .. ALIs.Table (A).Last_Sdep loop
533 N_Indents := N_Indents - 1;
540 procedure Output_No_ALI (Afile : File_Name_Type) is
542 Output_Token (T_No_ALI);
543 N_Indents := N_Indents + 1;
544 Output_Afile (Afile);
545 N_Indents := N_Indents - 1;
552 procedure Output_Name (N : Name_Id) is
554 -- Remove any encoding info (%s or %b)
559 and then Name_Buffer (Name_Len - 1) = '%'
561 Name_Len := Name_Len - 2;
564 Output_Token (T_Name);
565 Write_Str (Name_Buffer (1 .. Name_Len));
573 procedure Output_Ofile (O : File_Name_Type) is
576 Output_Token (T_Ofile);
586 procedure Output_Sdep (S : Sdep_Id) is
588 Output_Token (T_Source);
589 Write_Name (Sdep.Table (S).Sfile);
597 procedure Output_Sfile (S : File_Name_Type) is
598 FS : File_Name_Type := S;
601 if FS /= No_File then
603 -- We want to output the full source name
605 FS := Full_Source_Name (FS);
607 -- There is no full source name. This occurs for instance when a
608 -- withed unit has a spec file but no body file. This situation is
609 -- not a problem for GNATDIST since the unit may be located on a
610 -- partition we do not want to build. However, we need to locate
611 -- the spec file and to find its full source name. Replace the
612 -- body file name with the spec file name used to compile the
613 -- current unit when possible.
619 and then Name_Buffer (Name_Len - 3 .. Name_Len) = ".adb"
621 Name_Buffer (Name_Len) := 's';
622 FS := Full_Source_Name (Name_Find);
627 if FS /= No_File then
628 Output_Token (T_Sfile);
638 procedure Output_Token (T : Token_Type) is
640 if T in T_No_ALI .. T_Flags then
641 for J in 1 .. N_Indents loop
645 Write_Str (Image (T).all);
647 for J in Image (T)'Length .. 12 loop
653 if T in T_No_ALI .. T_With then
655 elsif T in T_Source .. T_Name then
659 elsif T in T_Preelaborated .. T_Body then
660 if T in T_Preelaborated .. T_Is_Generic then
662 Output_Token (T_Flags);
665 N_Flags := N_Flags + 1;
669 Write_Str (Image (T).all);
672 Write_Str (Image (T).all);
680 procedure Output_Unit (U : Unit_Id) is
682 Output_Token (T_Unit);
683 N_Indents := N_Indents + 1;
687 Output_Name (Name_Id (Units.Table (U).Uname));
691 Output_Token (T_Kind);
693 if Units.Table (U).Unit_Kind = 'p' then
694 Output_Token (T_Package);
696 Output_Token (T_Subprogram);
699 if Name_Buffer (Name_Len) = 's' then
700 Output_Token (T_Spec);
702 Output_Token (T_Body);
707 -- Output source file name
709 Output_Sfile (Units.Table (U).Sfile);
715 if Units.Table (U).Preelab then
716 Output_Token (T_Preelaborated);
719 if Units.Table (U).Pure then
720 Output_Token (T_Pure);
723 if Units.Table (U).Has_RACW then
724 Output_Token (T_Has_RACW);
727 if Units.Table (U).Remote_Types then
728 Output_Token (T_Remote_Types);
731 if Units.Table (U).Shared_Passive then
732 Output_Token (T_Shared_Passive);
735 if Units.Table (U).RCI then
736 Output_Token (T_RCI);
739 if Units.Table (U).Predefined then
740 Output_Token (T_Predefined);
743 if Units.Table (U).Internal then
744 Output_Token (T_Internal);
747 if Units.Table (U).Is_Generic then
748 Output_Token (T_Is_Generic);
757 for W in Units.Table (U).First_With .. Units.Table (U).Last_With loop
761 N_Indents := N_Indents - 1;
768 procedure Output_With (W : With_Id) is
770 Output_Token (T_With);
771 N_Indents := N_Indents + 1;
773 Output_Name (Name_Id (Withs.Table (W).Uname));
777 Output_Token (T_Kind);
779 if Name_Buffer (Name_Len) = 's' then
780 Output_Token (T_Spec);
782 Output_Token (T_Body);
787 Output_Afile (Withs.Table (W).Afile);
788 Output_Sfile (Withs.Table (W).Sfile);
790 N_Indents := N_Indents - 1;
799 function Image (Restriction : Restriction_Id) return String is
800 Result : String := Restriction'Img;
801 Skip : Boolean := True;
804 for J in Result'Range loop
807 Result (J) := To_Upper (Result (J));
809 elsif Result (J) = '_' then
813 Result (J) := To_Lower (Result (J));
820 --------------------------------
821 -- Output_License_Information --
822 --------------------------------
824 procedure Output_License_Information is
828 Write_Str ("Please refer to file COPYING in your distribution"
829 & " for license terms.");
833 Exit_Program (E_Success);
834 end Output_License_Information;
840 procedure Output_Object (O : File_Name_Type) is
841 Object_Name : String_Access;
847 Object_Name := To_Host_File_Spec (Name_Buffer (1 .. Name_Len));
849 Object_Name := No_Obj'Unchecked_Access;
852 Write_Str (Object_Name.all);
854 if Print_Source or else Print_Unit then
860 (Object_Start + Object_Name'Length .. Object_End));
870 procedure Output_Source (Sdep_I : Sdep_Id) is
871 Stamp : Time_Stamp_Type;
874 Status : File_Status;
875 Object_Name : String_Access;
878 if Sdep_I = No_Sdep_Id then
882 Stamp := Sdep.Table (Sdep_I).Stamp;
883 Checksum := Sdep.Table (Sdep_I).Checksum;
884 FS := Sdep.Table (Sdep_I).Sfile;
887 Find_Status (FS, Stamp, Checksum, Status);
888 Get_Name_String (FS);
890 Object_Name := To_Host_File_Spec (Name_Buffer (1 .. Name_Len));
893 Write_Str (" Source => ");
894 Write_Str (Object_Name.all);
898 (Spaces (Source_Start + Object_Name'Length .. Source_End));
901 Output_Status (Status, Verbose => True);
906 if not Selective_Output then
907 Output_Status (Status, Verbose => False);
910 Write_Str (Object_Name.all);
919 procedure Output_Status (FS : File_Status; Verbose : Boolean) is
924 Write_Str (" unchanged");
927 Write_Str (" slightly modified");
930 Write_Str (" file not found");
933 Write_Str (" modified");
935 when Not_First_On_PATH =>
936 Write_Str (" unchanged version not first on PATH");
953 when Not_First_On_PATH =>
963 procedure Output_Unit (ALI : ALI_Id; U_Id : Unit_Id) is
965 U : Unit_Record renames Units.Table (U_Id);
969 Get_Name_String (U.Uname);
970 Kind := Name_Buffer (Name_Len);
971 Name_Len := Name_Len - 2;
973 if not Verbose_Mode then
974 Write_Str (Name_Buffer (1 .. Name_Len));
977 Write_Str ("Unit => ");
979 Write_Str (" Name => ");
980 Write_Str (Name_Buffer (1 .. Name_Len));
982 Write_Str (" Kind => ");
984 if Units.Table (U_Id).Unit_Kind = 'p' then
985 Write_Str ("package ");
987 Write_Str ("subprogram ");
1001 U.Dynamic_Elab or else
1003 U.Remote_Types or else
1004 U.Shared_Passive or else
1006 U.Predefined or else
1008 U.Is_Generic or else
1009 U.Init_Scalars or else
1010 U.SAL_Interface or else
1011 U.Body_Needed_For_SAL or else
1015 Write_Str (" Flags =>");
1018 Write_Str (" Preelaborable");
1022 Write_Str (" No_Elab_Code");
1026 Write_Str (" Pure");
1029 if U.Dynamic_Elab then
1030 Write_Str (" Dynamic_Elab");
1034 Write_Str (" Has_RACW");
1037 if U.Remote_Types then
1038 Write_Str (" Remote_Types");
1041 if U.Shared_Passive then
1042 Write_Str (" Shared_Passive");
1049 if U.Predefined then
1050 Write_Str (" Predefined");
1054 Write_Str (" Internal");
1057 if U.Is_Generic then
1058 Write_Str (" Is_Generic");
1061 if U.Init_Scalars then
1062 Write_Str (" Init_Scalars");
1065 if U.SAL_Interface then
1066 Write_Str (" SAL_Interface");
1069 if U.Body_Needed_For_SAL then
1070 Write_Str (" Body_Needed_For_SAL");
1073 if U.Elaborate_Body then
1074 Write_Str (" Elaborate Body");
1077 if U.Remote_Types then
1078 Write_Str (" Remote_Types");
1081 if U.Shared_Passive then
1082 Write_Str (" Shared_Passive");
1085 if U.Predefined then
1086 Write_Str (" Predefined");
1091 Restrictions : constant Restrictions_Info :=
1092 ALIs.Table (ALI).Restrictions;
1095 -- If the source was compiled with pragmas Restrictions,
1096 -- Display these restrictions.
1098 if Restrictions.Set /= (All_Restrictions => False) then
1100 Write_Str (" pragma Restrictions =>");
1102 -- For boolean restrictions, just display the name of the
1103 -- restriction; for valued restrictions, also display the
1104 -- restriction value.
1106 for Restriction in All_Restrictions loop
1107 if Restrictions.Set (Restriction) then
1110 Write_Str (Image (Restriction));
1112 if Restriction in All_Parameter_Restrictions then
1114 Write_Str (Restrictions.Value (Restriction)'Img);
1120 -- If the unit violates some Restrictions, display the list of
1121 -- these restrictions.
1123 if Restrictions.Violated /= (All_Restrictions => False) then
1125 Write_Str (" Restrictions violated =>");
1127 -- For boolean restrictions, just display the name of the
1128 -- restriction. For valued restrictions, also display the
1129 -- restriction value.
1131 for Restriction in All_Restrictions loop
1132 if Restrictions.Violated (Restriction) then
1135 Write_Str (Image (Restriction));
1137 if Restriction in All_Parameter_Restrictions then
1138 if Restrictions.Count (Restriction) > 0 then
1141 if Restrictions.Unknown (Restriction) then
1142 Write_Str (" at least");
1145 Write_Str (Restrictions.Count (Restriction)'Img);
1154 if Print_Source then
1159 Write_Str (Spaces (Unit_Start + Name_Len + 1 .. Unit_End));
1169 procedure Reset_Print is
1171 if not Selective_Output then
1172 Selective_Output := True;
1173 Print_Source := False;
1174 Print_Object := False;
1175 Print_Unit := False;
1183 procedure Scan_Ls_Arg (Argv : String) is
1184 FD : File_Descriptor;
1188 pragma Assert (Argv'First = 1);
1190 if Argv'Length = 0 then
1194 if Argv (1) = '-' then
1195 if Argv'Length = 1 then
1196 Fail ("switch character cannot be followed by a blank");
1198 -- Processing for -I-
1200 elsif Argv (2 .. Argv'Last) = "I-" then
1201 Opt.Look_In_Primary_Dir := False;
1203 -- Forbid -?- or -??- where ? is any character
1205 elsif (Argv'Length = 3 and then Argv (3) = '-')
1206 or else (Argv'Length = 4 and then Argv (4) = '-')
1208 Fail ("Trailing ""-"" at the end of " & Argv & " forbidden.");
1210 -- Processing for -Idir
1212 elsif Argv (2) = 'I' then
1213 Add_Source_Dir (Argv (3 .. Argv'Last));
1214 Add_Lib_Dir (Argv (3 .. Argv'Last));
1216 -- Processing for -aIdir (to gcc this is like a -I switch)
1218 elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aI" then
1219 Add_Source_Dir (Argv (4 .. Argv'Last));
1221 -- Processing for -aOdir
1223 elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aO" then
1224 Add_Lib_Dir (Argv (4 .. Argv'Last));
1226 -- Processing for -aLdir (to gnatbind this is like a -aO switch)
1228 elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aL" then
1229 Add_Lib_Dir (Argv (4 .. Argv'Last));
1231 -- Processing for -nostdinc
1233 elsif Argv (2 .. Argv'Last) = "nostdinc" then
1234 Opt.No_Stdinc := True;
1236 -- Processing for one character switches
1238 elsif Argv'Length = 2 then
1240 when 'a' => Also_Predef := True;
1241 when 'h' => Print_Usage := True;
1242 when 'u' => Reset_Print; Print_Unit := True;
1243 when 's' => Reset_Print; Print_Source := True;
1244 when 'o' => Reset_Print; Print_Object := True;
1245 when 'v' => Verbose_Mode := True;
1246 when 'd' => Dependable := True;
1247 when 'l' => License := True;
1248 when 'V' => Very_Verbose_Mode := True;
1250 when others => null;
1253 -- Processing for -files=file
1255 elsif Argv'Length > 7 and then Argv (1 .. 7) = "-files=" then
1256 FD := Open_Read (Argv (8 .. Argv'Last), GNAT.OS_Lib.Text);
1258 if FD = Invalid_FD then
1259 Osint.Fail ("could not find text file """ &
1260 Argv (8 .. Argv'Last) & '"');
1263 Len := Integer (File_Length (FD));
1266 Buffer : String (1 .. Len + 1);
1267 Index : Positive := 1;
1273 Len := Read (FD, Buffer (1)'Address, Len);
1274 Buffer (Buffer'Last) := ASCII.NUL;
1277 -- Scan the file line by line
1279 while Index < Buffer'Last loop
1281 -- Find the end of line
1284 while Last <= Buffer'Last
1285 and then Buffer (Last) /= ASCII.LF
1286 and then Buffer (Last) /= ASCII.CR
1291 -- Ignore empty lines
1293 if Last > Index then
1294 Add_File (Buffer (Index .. Last - 1));
1297 -- Find the beginning of the next line
1300 while Buffer (Index) = ASCII.CR or else
1301 Buffer (Index) = ASCII.LF
1308 -- Processing for --RTS=path
1310 elsif Argv'Length >= 5 and then Argv (1 .. 5) = "--RTS" then
1311 if Argv'Length <= 6 or else Argv (6) /= '='then
1312 Osint.Fail ("missing path for --RTS");
1315 -- Check that it is the first time we see this switch or, if
1316 -- it is not the first time, the same path is specified.
1318 if RTS_Specified = null then
1319 RTS_Specified := new String'(Argv (7 .. Argv'Last));
1321 elsif RTS_Specified.all /= Argv (7 .. Argv'Last) then
1322 Osint.Fail ("--RTS cannot be specified multiple times");
1325 -- Valid --RTS switch
1327 Opt.No_Stdinc := True;
1328 Opt.RTS_Switch := True;
1331 Src_Path_Name : constant String_Ptr :=
1333 (Argv (7 .. Argv'Last), Include);
1334 Lib_Path_Name : constant String_Ptr :=
1336 (Argv (7 .. Argv'Last), Objects);
1339 if Src_Path_Name /= null
1340 and then Lib_Path_Name /= null
1342 Add_Search_Dirs (Src_Path_Name, Include);
1343 Add_Search_Dirs (Lib_Path_Name, Objects);
1345 elsif Src_Path_Name = null
1346 and then Lib_Path_Name = null
1348 Osint.Fail ("RTS path not valid: missing " &
1349 "adainclude and adalib directories");
1351 elsif Src_Path_Name = null then
1352 Osint.Fail ("RTS path not valid: missing " &
1353 "adainclude directory");
1355 elsif Lib_Path_Name = null then
1356 Osint.Fail ("RTS path not valid: missing " &
1357 "adalib directory");
1363 -- If not a switch, it must be a file name
1378 Write_Str ("Usage: ");
1379 Osint.Write_Program_Name;
1380 Write_Str (" switches [list of object files]");
1386 Write_Str ("switches:");
1389 Display_Usage_Version_And_Help;
1393 Write_Str (" -a also output relevant predefined units");
1398 Write_Str (" -u output only relevant unit names");
1403 Write_Str (" -h output this help message");
1408 Write_Str (" -s output only relevant source names");
1413 Write_Str (" -o output only relevant object names");
1418 Write_Str (" -d output sources on which specified units " &
1424 Write_Str (" -l output license information");
1429 Write_Str (" -v verbose output, full path and unit " &
1436 Write_Str (" -files=fil files are listed in text file 'fil'");
1439 -- Line for -aI switch
1441 Write_Str (" -aIdir specify source files search path");
1444 -- Line for -aO switch
1446 Write_Str (" -aOdir specify object files search path");
1449 -- Line for -I switch
1451 Write_Str (" -Idir like -aIdir -aOdir");
1454 -- Line for -I- switch
1456 Write_Str (" -I- do not look for sources & object files");
1457 Write_Str (" in the default directory");
1460 -- Line for -nostdinc
1462 Write_Str (" -nostdinc do not look for source files");
1463 Write_Str (" in the system default directory");
1468 Write_Str (" --RTS=dir specify the default source and object search"
1472 -- File Status explanation
1475 Write_Str (" file status can be:");
1478 for ST in File_Status loop
1480 Output_Status (ST, Verbose => False);
1481 Write_Str (" ==> ");
1482 Output_Status (ST, Verbose => True);
1487 procedure Check_Version_And_Help is new Check_Version_And_Help_G (Usage);
1489 -- Start of processing for Gnatls
1492 -- Initialize standard packages
1497 -- First check for --version or --help
1499 Check_Version_And_Help ("GNATLS", "1997");
1501 -- Loop to scan out arguments
1504 Scan_Args : while Next_Arg < Arg_Count loop
1506 Next_Argv : String (1 .. Len_Arg (Next_Arg));
1508 Fill_Arg (Next_Argv'Address, Next_Arg);
1509 Scan_Ls_Arg (Next_Argv);
1512 Next_Arg := Next_Arg + 1;
1515 -- If -l (output license information) is given, it must be the only switch
1517 if License and then Arg_Count /= 2 then
1518 Write_Str ("Can't use -l with another switch");
1521 Exit_Program (E_Fatal);
1524 -- Add the source and object directories specified on the command line, if
1525 -- any, to the searched directories.
1527 while First_Source_Dir /= null loop
1528 Add_Src_Search_Dir (First_Source_Dir.Value.all);
1529 First_Source_Dir := First_Source_Dir.Next;
1532 while First_Lib_Dir /= null loop
1533 Add_Lib_Search_Dir (First_Lib_Dir.Value.all);
1534 First_Lib_Dir := First_Lib_Dir.Next;
1537 -- Finally, add the default directories and obtain target parameters
1539 Osint.Add_Default_Search_Dirs;
1541 if Verbose_Mode then
1543 Display_Version ("GNATLS", "1997");
1545 Write_Str ("Source Search Path:");
1548 for J in 1 .. Nb_Dir_In_Src_Search_Path loop
1551 if Dir_In_Src_Search_Path (J)'Length = 0 then
1552 Write_Str ("<Current_Directory>");
1554 Write_Str (To_Host_Dir_Spec
1555 (Dir_In_Src_Search_Path (J).all, True).all);
1563 Write_Str ("Object Search Path:");
1566 for J in 1 .. Nb_Dir_In_Obj_Search_Path loop
1569 if Dir_In_Obj_Search_Path (J)'Length = 0 then
1570 Write_Str ("<Current_Directory>");
1572 Write_Str (To_Host_Dir_Spec
1573 (Dir_In_Obj_Search_Path (J).all, True).all);
1581 Write_Str (Project_Search_Path);
1583 Write_Str (" <Current_Directory>");
1586 Initialize_Default_Project_Path
1587 (Prj_Path, Target_Name => Sdefault.Target_Name.all);
1590 Project_Path : String_Access;
1595 Get_Path (Prj_Path, Project_Path);
1597 if Project_Path.all /= "" then
1598 First := Project_Path'First;
1600 while First <= Project_Path'Last
1601 and then (Project_Path (First) = Path_Separator)
1606 exit when First > Project_Path'Last;
1609 while Last < Project_Path'Last
1610 and then Project_Path (Last + 1) /= Path_Separator
1615 if First /= Last or else Project_Path (First) /= '.' then
1617 -- If the directory is ".", skip it as it is the current
1618 -- directory and it is already the first directory in the
1625 (Project_Path (First .. Last), True).all));
1637 -- Output usage information when requested
1643 -- Output license information when requested
1646 Output_License_Information;
1647 Exit_Program (E_Success);
1650 if not More_Lib_Files then
1651 if not Print_Usage and then not Verbose_Mode then
1655 Exit_Program (E_Fatal);
1659 Initialize_ALI_Source;
1661 -- Print out all library for which no ALI files can be located
1663 while More_Lib_Files loop
1664 Main_File := Next_Main_Lib_File;
1665 Ali_File := Full_Lib_File_Name (Lib_File_Name (Main_File));
1667 if Ali_File = No_File then
1668 if Very_Verbose_Mode then
1669 GNATDIST.Output_No_ALI (Lib_File_Name (Main_File));
1672 Write_Str ("Can't find library info for ");
1673 Get_Name_String (Main_File);
1674 Write_Char ('"'); -- "
1675 Write_Str (Name_Buffer (1 .. Name_Len));
1676 Write_Char ('"'); -- "
1681 Ali_File := Strip_Directory (Ali_File);
1683 if Get_Name_Table_Info (Ali_File) = 0 then
1684 Text := Read_Library_Info (Ali_File, True);
1688 pragma Unreferenced (Discard);
1696 Ignore_Errors => True);
1704 if Very_Verbose_Mode then
1705 for A in ALIs.First .. ALIs.Last loop
1706 GNATDIST.Output_ALI (A);
1712 Find_General_Layout;
1714 for Id in ALIs.First .. ALIs.Last loop
1719 Get_Name_String (Units.Table (ALIs.Table (Id).First_Unit).Uname);
1721 if Also_Predef or else not Is_Internal_Unit then
1722 if ALIs.Table (Id).No_Object then
1723 Output_Object (No_File);
1725 Output_Object (ALIs.Table (Id).Ofile_Full_Name);
1728 -- In verbose mode print all main units in the ALI file, otherwise
1729 -- just print the first one to ease columnwise printout
1731 if Verbose_Mode then
1732 Last_U := ALIs.Table (Id).Last_Unit;
1734 Last_U := ALIs.Table (Id).First_Unit;
1737 for U in ALIs.Table (Id).First_Unit .. Last_U loop
1738 if U /= ALIs.Table (Id).First_Unit
1739 and then Selective_Output
1745 Output_Unit (Id, U);
1747 -- Output source now, unless if it will be done as part of
1748 -- outputing dependencies.
1750 if not (Dependable and then Print_Source) then
1751 Output_Source (Corresponding_Sdep_Entry (Id, U));
1755 -- Print out list of units on which this unit depends (D lines)
1757 if Dependable and then Print_Source then
1758 if Verbose_Mode then
1759 Write_Str ("depends upon");
1767 ALIs.Table (Id).First_Sdep .. ALIs.Table (Id).Last_Sdep
1770 or else not Is_Internal_File_Name (Sdep.Table (D).Sfile)
1772 if Verbose_Mode then
1782 Write_Str (Spaces (1 .. Source_Start - 2));
1795 -- All done. Set proper exit status
1798 Exit_Program (E_Success);