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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- G N A T L S -- -- -- -- B o d y -- -- -- -- Copyright (C) 1992-2011, Free Software Foundation, Inc. -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 3, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- -- for more details. You should have received a copy of the GNU General -- -- Public License distributed with GNAT; see file COPYING3. If not, go to -- -- http://www.gnu.org/licenses for a complete copy of the license. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ with ALI; use ALI; with ALI.Util; use ALI.Util; with Binderr; use Binderr; with Butil; use Butil; with Csets; use Csets; with Fname; use Fname; with Gnatvsn; use Gnatvsn; with GNAT.OS_Lib; use GNAT.OS_Lib; with Namet; use Namet; with Opt; use Opt; with Osint; use Osint; with Osint.L; use Osint.L; with Output; use Output; with Prj.Env; use Prj.Env; with Rident; use Rident; with Sdefault; with Snames; with Switch; use Switch; with Types; use Types; with GNAT.Case_Util; use GNAT.Case_Util; procedure Gnatls is pragma Ident (Gnat_Static_Version_String); -- NOTE : The following string may be used by other tools, such as GPS. So -- it can only be modified if these other uses are checked and coordinated. Project_Search_Path : constant String := "Project Search Path:"; -- Label displayed in verbose mode before the directories in the project -- search path. Do not modify without checking NOTE above. Prj_Path : Prj.Env.Project_Search_Path; Max_Column : constant := 80; No_Obj : aliased String := "<no_obj>"; type File_Status is ( OK, -- matching timestamp Checksum_OK, -- only matching checksum Not_Found, -- file not found on source PATH Not_Same, -- neither checksum nor timestamp matching Not_First_On_PATH); -- matching file hidden by Not_Same file on path type Dir_Data; type Dir_Ref is access Dir_Data; type Dir_Data is record Value : String_Access; Next : Dir_Ref; end record; -- Simply linked list of dirs First_Source_Dir : Dir_Ref; Last_Source_Dir : Dir_Ref; -- The list of source directories from the command line. -- These directories are added using Osint.Add_Src_Search_Dir -- after those of the GNAT Project File, if any. First_Lib_Dir : Dir_Ref; Last_Lib_Dir : Dir_Ref; -- The list of object directories from the command line. -- These directories are added using Osint.Add_Lib_Search_Dir -- after those of the GNAT Project File, if any. Main_File : File_Name_Type; Ali_File : File_Name_Type; Text : Text_Buffer_Ptr; Next_Arg : Positive; Too_Long : Boolean := False; -- When True, lines are too long for multi-column output and each -- item of information is on a different line. Selective_Output : Boolean := False; Print_Usage : Boolean := False; Print_Unit : Boolean := True; Print_Source : Boolean := True; Print_Object : Boolean := True; -- Flags controlling the form of the output Also_Predef : Boolean := False; -- -a Dependable : Boolean := False; -- -d License : Boolean := False; -- -l Very_Verbose_Mode : Boolean := False; -- -V -- Command line flags Unit_Start : Integer; Unit_End : Integer; Source_Start : Integer; Source_End : Integer; Object_Start : Integer; Object_End : Integer; -- Various column starts and ends Spaces : constant String (1 .. Max_Column) := (others => ' '); RTS_Specified : String_Access := null; -- Used to detect multiple use of --RTS= switch ----------------------- -- Local Subprograms -- ----------------------- procedure Add_Lib_Dir (Dir : String); -- Add an object directory in the list First_Lib_Dir-Last_Lib_Dir procedure Add_Source_Dir (Dir : String); -- Add a source directory in the list First_Source_Dir-Last_Source_Dir procedure Find_General_Layout; -- Determine the structure of the output (multi columns or not, etc) procedure Find_Status (FS : in out File_Name_Type; Stamp : Time_Stamp_Type; Checksum : Word; Status : out File_Status); -- Determine the file status (Status) of the file represented by FS -- with the expected Stamp and checksum given as argument. FS will be -- updated to the full file name if available. function Corresponding_Sdep_Entry (A : ALI_Id; U : Unit_Id) return Sdep_Id; -- Give the Sdep entry corresponding to the unit U in ali record A procedure Output_Object (O : File_Name_Type); -- Print out the name of the object when requested procedure Output_Source (Sdep_I : Sdep_Id); -- Print out the name and status of the source corresponding to this -- sdep entry. procedure Output_Status (FS : File_Status; Verbose : Boolean); -- Print out FS either in a coded form if verbose is false or in an -- expanded form otherwise. procedure Output_Unit (ALI : ALI_Id; U_Id : Unit_Id); -- Print out information on the unit when requested procedure Reset_Print; -- Reset Print flags properly when selective output is chosen procedure Scan_Ls_Arg (Argv : String); -- Scan and process lser specific arguments. Argv is a single argument procedure Search_RTS (Name : String); -- Find include and objects path for the RTS name. procedure Usage; -- Print usage message procedure Output_License_Information; -- Output license statement, and if not found, output reference to -- COPYING. function Image (Restriction : Restriction_Id) return String; -- Returns the capitalized image of Restriction ------------------------------------------ -- GNATDIST specific output subprograms -- ------------------------------------------ package GNATDIST is -- Any modification to this subunit requires synchronization with the -- GNATDIST sources. procedure Output_ALI (A : ALI_Id); -- Comment required saying what this routine does ??? procedure Output_No_ALI (Afile : File_Name_Type); -- Comments required saying what this routine does ??? end GNATDIST; ----------------- -- Add_Lib_Dir -- ----------------- procedure Add_Lib_Dir (Dir : String) is begin if First_Lib_Dir = null then First_Lib_Dir := new Dir_Data' (Value => new String'(Dir), Next => null); Last_Lib_Dir := First_Lib_Dir; else Last_Lib_Dir.Next := new Dir_Data' (Value => new String'(Dir), Next => null); Last_Lib_Dir := Last_Lib_Dir.Next; end if; end Add_Lib_Dir; -------------------- -- Add_Source_Dir -- -------------------- procedure Add_Source_Dir (Dir : String) is begin if First_Source_Dir = null then First_Source_Dir := new Dir_Data' (Value => new String'(Dir), Next => null); Last_Source_Dir := First_Source_Dir; else Last_Source_Dir.Next := new Dir_Data' (Value => new String'(Dir), Next => null); Last_Source_Dir := Last_Source_Dir.Next; end if; end Add_Source_Dir; ------------------------------ -- Corresponding_Sdep_Entry -- ------------------------------ function Corresponding_Sdep_Entry (A : ALI_Id; U : Unit_Id) return Sdep_Id is begin for D in ALIs.Table (A).First_Sdep .. ALIs.Table (A).Last_Sdep loop if Sdep.Table (D).Sfile = Units.Table (U).Sfile then return D; end if; end loop; Error_Msg_Unit_1 := Units.Table (U).Uname; Error_Msg_File_1 := ALIs.Table (A).Afile; Write_Eol; Error_Msg ("wrong ALI format, can't find dependency line for $ in {"); Exit_Program (E_Fatal); return No_Sdep_Id; end Corresponding_Sdep_Entry; ------------------------- -- Find_General_Layout -- ------------------------- procedure Find_General_Layout is Max_Unit_Length : Integer := 11; Max_Src_Length : Integer := 11; Max_Obj_Length : Integer := 11; Len : Integer; FS : File_Name_Type; begin -- Compute maximum of each column for Id in ALIs.First .. ALIs.Last loop Get_Name_String (Units.Table (ALIs.Table (Id).First_Unit).Uname); if Also_Predef or else not Is_Internal_Unit then if Print_Unit then Len := Name_Len - 1; Max_Unit_Length := Integer'Max (Max_Unit_Length, Len); end if; if Print_Source then FS := Full_Source_Name (ALIs.Table (Id).Sfile); if FS = No_File then Get_Name_String (ALIs.Table (Id).Sfile); Name_Len := Name_Len + 13; else Get_Name_String (FS); end if; Max_Src_Length := Integer'Max (Max_Src_Length, Name_Len + 1); end if; if Print_Object then if ALIs.Table (Id).No_Object then Max_Obj_Length := Integer'Max (Max_Obj_Length, No_Obj'Length); else Get_Name_String (ALIs.Table (Id).Ofile_Full_Name); Max_Obj_Length := Integer'Max (Max_Obj_Length, Name_Len + 1); end if; end if; end if; end loop; -- Verify is output is not wider than maximum number of columns Too_Long := Verbose_Mode or else (Max_Unit_Length + Max_Src_Length + Max_Obj_Length) > Max_Column; -- Set start and end of columns Object_Start := 1; Object_End := Object_Start - 1; if Print_Object then Object_End := Object_Start + Max_Obj_Length; end if; Unit_Start := Object_End + 1; Unit_End := Unit_Start - 1; if Print_Unit then Unit_End := Unit_Start + Max_Unit_Length; end if; Source_Start := Unit_End + 1; if Source_Start > Spaces'Last then Source_Start := Spaces'Last; end if; Source_End := Source_Start - 1; if Print_Source then Source_End := Source_Start + Max_Src_Length; end if; end Find_General_Layout; ----------------- -- Find_Status -- ----------------- procedure Find_Status (FS : in out File_Name_Type; Stamp : Time_Stamp_Type; Checksum : Word; Status : out File_Status) is Tmp1 : File_Name_Type; Tmp2 : File_Name_Type; begin Tmp1 := Full_Source_Name (FS); if Tmp1 = No_File then Status := Not_Found; elsif File_Stamp (Tmp1) = Stamp then FS := Tmp1; Status := OK; elsif Checksums_Match (Get_File_Checksum (FS), Checksum) then FS := Tmp1; Status := Checksum_OK; else Tmp2 := Matching_Full_Source_Name (FS, Stamp); if Tmp2 = No_File then Status := Not_Same; FS := Tmp1; else Status := Not_First_On_PATH; FS := Tmp2; end if; end if; end Find_Status; -------------- -- GNATDIST -- -------------- package body GNATDIST is N_Flags : Natural; N_Indents : Natural := 0; type Token_Type is (T_No_ALI, T_ALI, T_Unit, T_With, T_Source, T_Afile, T_Ofile, T_Sfile, T_Name, T_Main, T_Kind, T_Flags, T_Preelaborated, T_Pure, T_Has_RACW, T_Remote_Types, T_Shared_Passive, T_RCI, T_Predefined, T_Internal, T_Is_Generic, T_Procedure, T_Function, T_Package, T_Subprogram, T_Spec, T_Body); Image : constant array (Token_Type) of String_Access := (T_No_ALI => new String'("No_ALI"), T_ALI => new String'("ALI"), T_Unit => new String'("Unit"), T_With => new String'("With"), T_Source => new String'("Source"), T_Afile => new String'("Afile"), T_Ofile => new String'("Ofile"), T_Sfile => new String'("Sfile"), T_Name => new String'("Name"), T_Main => new String'("Main"), T_Kind => new String'("Kind"), T_Flags => new String'("Flags"), T_Preelaborated => new String'("Preelaborated"), T_Pure => new String'("Pure"), T_Has_RACW => new String'("Has_RACW"), T_Remote_Types => new String'("Remote_Types"), T_Shared_Passive => new String'("Shared_Passive"), T_RCI => new String'("RCI"), T_Predefined => new String'("Predefined"), T_Internal => new String'("Internal"), T_Is_Generic => new String'("Is_Generic"), T_Procedure => new String'("procedure"), T_Function => new String'("function"), T_Package => new String'("package"), T_Subprogram => new String'("subprogram"), T_Spec => new String'("spec"), T_Body => new String'("body")); procedure Output_Name (N : Name_Id); -- Remove any encoding info (%b and %s) and output N procedure Output_Afile (A : File_Name_Type); procedure Output_Ofile (O : File_Name_Type); procedure Output_Sfile (S : File_Name_Type); -- Output various names. Check that the name is different from no name. -- Otherwise, skip the output. procedure Output_Token (T : Token_Type); -- Output token using specific format. That is several indentations and: -- -- T_No_ALI .. T_With : <token> & " =>" & NL -- T_Source .. T_Kind : <token> & " => " -- T_Flags : <token> & " =>" -- T_Preelab .. T_Body : " " & <token> procedure Output_Sdep (S : Sdep_Id); procedure Output_Unit (U : Unit_Id); procedure Output_With (W : With_Id); -- Output this entry as a global section (like ALIs) ------------------ -- Output_Afile -- ------------------ procedure Output_Afile (A : File_Name_Type) is begin if A /= No_File then Output_Token (T_Afile); Write_Name (A); Write_Eol; end if; end Output_Afile; ---------------- -- Output_ALI -- ---------------- procedure Output_ALI (A : ALI_Id) is begin Output_Token (T_ALI); N_Indents := N_Indents + 1; Output_Afile (ALIs.Table (A).Afile); Output_Ofile (ALIs.Table (A).Ofile_Full_Name); Output_Sfile (ALIs.Table (A).Sfile); -- Output Main if ALIs.Table (A).Main_Program /= None then Output_Token (T_Main); if ALIs.Table (A).Main_Program = Proc then Output_Token (T_Procedure); else Output_Token (T_Function); end if; Write_Eol; end if; -- Output Units for U in ALIs.Table (A).First_Unit .. ALIs.Table (A).Last_Unit loop Output_Unit (U); end loop; -- Output Sdeps for S in ALIs.Table (A).First_Sdep .. ALIs.Table (A).Last_Sdep loop Output_Sdep (S); end loop; N_Indents := N_Indents - 1; end Output_ALI; ------------------- -- Output_No_ALI -- ------------------- procedure Output_No_ALI (Afile : File_Name_Type) is begin Output_Token (T_No_ALI); N_Indents := N_Indents + 1; Output_Afile (Afile); N_Indents := N_Indents - 1; end Output_No_ALI; ----------------- -- Output_Name -- ----------------- procedure Output_Name (N : Name_Id) is begin -- Remove any encoding info (%s or %b) Get_Name_String (N); if Name_Len > 2 and then Name_Buffer (Name_Len - 1) = '%' then Name_Len := Name_Len - 2; end if; Output_Token (T_Name); Write_Str (Name_Buffer (1 .. Name_Len)); Write_Eol; end Output_Name; ------------------ -- Output_Ofile -- ------------------ procedure Output_Ofile (O : File_Name_Type) is begin if O /= No_File then Output_Token (T_Ofile); Write_Name (O); Write_Eol; end if; end Output_Ofile; ----------------- -- Output_Sdep -- ----------------- procedure Output_Sdep (S : Sdep_Id) is begin Output_Token (T_Source); Write_Name (Sdep.Table (S).Sfile); Write_Eol; end Output_Sdep; ------------------ -- Output_Sfile -- ------------------ procedure Output_Sfile (S : File_Name_Type) is FS : File_Name_Type := S; begin if FS /= No_File then -- We want to output the full source name FS := Full_Source_Name (FS); -- There is no full source name. This occurs for instance when a -- withed unit has a spec file but no body file. This situation is -- not a problem for GNATDIST since the unit may be located on a -- partition we do not want to build. However, we need to locate -- the spec file and to find its full source name. Replace the -- body file name with the spec file name used to compile the -- current unit when possible. if FS = No_File then Get_Name_String (S); if Name_Len > 4 and then Name_Buffer (Name_Len - 3 .. Name_Len) = ".adb" then Name_Buffer (Name_Len) := 's'; FS := Full_Source_Name (Name_Find); end if; end if; end if; if FS /= No_File then Output_Token (T_Sfile); Write_Name (FS); Write_Eol; end if; end Output_Sfile; ------------------ -- Output_Token -- ------------------ procedure Output_Token (T : Token_Type) is begin if T in T_No_ALI .. T_Flags then for J in 1 .. N_Indents loop Write_Str (" "); end loop; Write_Str (Image (T).all); for J in Image (T)'Length .. 12 loop Write_Char (' '); end loop; Write_Str ("=>"); if T in T_No_ALI .. T_With then Write_Eol; elsif T in T_Source .. T_Name then Write_Char (' '); end if; elsif T in T_Preelaborated .. T_Body then if T in T_Preelaborated .. T_Is_Generic then if N_Flags = 0 then Output_Token (T_Flags); end if; N_Flags := N_Flags + 1; end if; Write_Char (' '); Write_Str (Image (T).all); else Write_Str (Image (T).all); end if; end Output_Token; ----------------- -- Output_Unit -- ----------------- procedure Output_Unit (U : Unit_Id) is begin Output_Token (T_Unit); N_Indents := N_Indents + 1; -- Output Name Output_Name (Name_Id (Units.Table (U).Uname)); -- Output Kind Output_Token (T_Kind); if Units.Table (U).Unit_Kind = 'p' then Output_Token (T_Package); else Output_Token (T_Subprogram); end if; if Name_Buffer (Name_Len) = 's' then Output_Token (T_Spec); else Output_Token (T_Body); end if; Write_Eol; -- Output source file name Output_Sfile (Units.Table (U).Sfile); -- Output Flags N_Flags := 0; if Units.Table (U).Preelab then Output_Token (T_Preelaborated); end if; if Units.Table (U).Pure then Output_Token (T_Pure); end if; if Units.Table (U).Has_RACW then Output_Token (T_Has_RACW); end if; if Units.Table (U).Remote_Types then Output_Token (T_Remote_Types); end if; if Units.Table (U).Shared_Passive then Output_Token (T_Shared_Passive); end if; if Units.Table (U).RCI then Output_Token (T_RCI); end if; if Units.Table (U).Predefined then Output_Token (T_Predefined); end if; if Units.Table (U).Internal then Output_Token (T_Internal); end if; if Units.Table (U).Is_Generic then Output_Token (T_Is_Generic); end if; if N_Flags > 0 then Write_Eol; end if; -- Output Withs for W in Units.Table (U).First_With .. Units.Table (U).Last_With loop Output_With (W); end loop; N_Indents := N_Indents - 1; end Output_Unit; ----------------- -- Output_With -- ----------------- procedure Output_With (W : With_Id) is begin Output_Token (T_With); N_Indents := N_Indents + 1; Output_Name (Name_Id (Withs.Table (W).Uname)); -- Output Kind Output_Token (T_Kind); if Name_Buffer (Name_Len) = 's' then Output_Token (T_Spec); else Output_Token (T_Body); end if; Write_Eol; Output_Afile (Withs.Table (W).Afile); Output_Sfile (Withs.Table (W).Sfile); N_Indents := N_Indents - 1; end Output_With; end GNATDIST; ----------- -- Image -- ----------- function Image (Restriction : Restriction_Id) return String is Result : String := Restriction'Img; Skip : Boolean := True; begin for J in Result'Range loop if Skip then Skip := False; Result (J) := To_Upper (Result (J)); elsif Result (J) = '_' then Skip := True; else Result (J) := To_Lower (Result (J)); end if; end loop; return Result; end Image; -------------------------------- -- Output_License_Information -- -------------------------------- procedure Output_License_Information is begin case Build_Type is when others => Write_Str ("Please refer to file COPYING in your distribution" & " for license terms."); Write_Eol; end case; Exit_Program (E_Success); end Output_License_Information; ------------------- -- Output_Object -- ------------------- procedure Output_Object (O : File_Name_Type) is Object_Name : String_Access; begin if Print_Object then if O /= No_File then Get_Name_String (O); Object_Name := To_Host_File_Spec (Name_Buffer (1 .. Name_Len)); else Object_Name := No_Obj'Unchecked_Access; end if; Write_Str (Object_Name.all); if Print_Source or else Print_Unit then if Too_Long then Write_Eol; Write_Str (" "); else Write_Str (Spaces (Object_Start + Object_Name'Length .. Object_End)); end if; end if; end if; end Output_Object; ------------------- -- Output_Source -- ------------------- procedure Output_Source (Sdep_I : Sdep_Id) is Stamp : Time_Stamp_Type; Checksum : Word; FS : File_Name_Type; Status : File_Status; Object_Name : String_Access; begin if Sdep_I = No_Sdep_Id then return; end if; Stamp := Sdep.Table (Sdep_I).Stamp; Checksum := Sdep.Table (Sdep_I).Checksum; FS := Sdep.Table (Sdep_I).Sfile; if Print_Source then Find_Status (FS, Stamp, Checksum, Status); Get_Name_String (FS); Object_Name := To_Host_File_Spec (Name_Buffer (1 .. Name_Len)); if Verbose_Mode then Write_Str (" Source => "); Write_Str (Object_Name.all); if not Too_Long then Write_Str (Spaces (Source_Start + Object_Name'Length .. Source_End)); end if; Output_Status (Status, Verbose => True); Write_Eol; Write_Str (" "); else if not Selective_Output then Output_Status (Status, Verbose => False); end if; Write_Str (Object_Name.all); end if; end if; end Output_Source; ------------------- -- Output_Status -- ------------------- procedure Output_Status (FS : File_Status; Verbose : Boolean) is begin if Verbose then case FS is when OK => Write_Str (" unchanged"); when Checksum_OK => Write_Str (" slightly modified"); when Not_Found => Write_Str (" file not found"); when Not_Same => Write_Str (" modified"); when Not_First_On_PATH => Write_Str (" unchanged version not first on PATH"); end case; else case FS is when OK => Write_Str (" OK "); when Checksum_OK => Write_Str (" MOK "); when Not_Found => Write_Str (" ??? "); when Not_Same => Write_Str (" DIF "); when Not_First_On_PATH => Write_Str (" HID "); end case; end if; end Output_Status; ----------------- -- Output_Unit -- ----------------- procedure Output_Unit (ALI : ALI_Id; U_Id : Unit_Id) is Kind : Character; U : Unit_Record renames Units.Table (U_Id); begin if Print_Unit then Get_Name_String (U.Uname); Kind := Name_Buffer (Name_Len); Name_Len := Name_Len - 2; if not Verbose_Mode then Write_Str (Name_Buffer (1 .. Name_Len)); else Write_Str ("Unit => "); Write_Eol; Write_Str (" Name => "); Write_Str (Name_Buffer (1 .. Name_Len)); Write_Eol; Write_Str (" Kind => "); if Units.Table (U_Id).Unit_Kind = 'p' then Write_Str ("package "); else Write_Str ("subprogram "); end if; if Kind = 's' then Write_Str ("spec"); else Write_Str ("body"); end if; end if; if Verbose_Mode then if U.Preelab or else U.No_Elab or else U.Pure or else U.Dynamic_Elab or else U.Has_RACW or else U.Remote_Types or else U.Shared_Passive or else U.RCI or else U.Predefined or else U.Internal or else U.Is_Generic or else U.Init_Scalars or else U.SAL_Interface or else U.Body_Needed_For_SAL or else U.Elaborate_Body then Write_Eol; Write_Str (" Flags =>"); if U.Preelab then Write_Str (" Preelaborable"); end if; if U.No_Elab then Write_Str (" No_Elab_Code"); end if; if U.Pure then Write_Str (" Pure"); end if; if U.Dynamic_Elab then Write_Str (" Dynamic_Elab"); end if; if U.Has_RACW then Write_Str (" Has_RACW"); end if; if U.Remote_Types then Write_Str (" Remote_Types"); end if; if U.Shared_Passive then Write_Str (" Shared_Passive"); end if; if U.RCI then Write_Str (" RCI"); end if; if U.Predefined then Write_Str (" Predefined"); end if; if U.Internal then Write_Str (" Internal"); end if; if U.Is_Generic then Write_Str (" Is_Generic"); end if; if U.Init_Scalars then Write_Str (" Init_Scalars"); end if; if U.SAL_Interface then Write_Str (" SAL_Interface"); end if; if U.Body_Needed_For_SAL then Write_Str (" Body_Needed_For_SAL"); end if; if U.Elaborate_Body then Write_Str (" Elaborate Body"); end if; if U.Remote_Types then Write_Str (" Remote_Types"); end if; if U.Shared_Passive then Write_Str (" Shared_Passive"); end if; if U.Predefined then Write_Str (" Predefined"); end if; end if; declare Restrictions : constant Restrictions_Info := ALIs.Table (ALI).Restrictions; begin -- If the source was compiled with pragmas Restrictions, -- Display these restrictions. if Restrictions.Set /= (All_Restrictions => False) then Write_Eol; Write_Str (" pragma Restrictions =>"); -- For boolean restrictions, just display the name of the -- restriction; for valued restrictions, also display the -- restriction value. for Restriction in All_Restrictions loop if Restrictions.Set (Restriction) then Write_Eol; Write_Str (" "); Write_Str (Image (Restriction)); if Restriction in All_Parameter_Restrictions then Write_Str (" =>"); Write_Str (Restrictions.Value (Restriction)'Img); end if; end if; end loop; end if; -- If the unit violates some Restrictions, display the list of -- these restrictions. if Restrictions.Violated /= (All_Restrictions => False) then Write_Eol; Write_Str (" Restrictions violated =>"); -- For boolean restrictions, just display the name of the -- restriction. For valued restrictions, also display the -- restriction value. for Restriction in All_Restrictions loop if Restrictions.Violated (Restriction) then Write_Eol; Write_Str (" "); Write_Str (Image (Restriction)); if Restriction in All_Parameter_Restrictions then if Restrictions.Count (Restriction) > 0 then Write_Str (" =>"); if Restrictions.Unknown (Restriction) then Write_Str (" at least"); end if; Write_Str (Restrictions.Count (Restriction)'Img); end if; end if; end if; end loop; end if; end; end if; if Print_Source then if Too_Long then Write_Eol; Write_Str (" "); else Write_Str (Spaces (Unit_Start + Name_Len + 1 .. Unit_End)); end if; end if; end if; end Output_Unit; ----------------- -- Reset_Print -- ----------------- procedure Reset_Print is begin if not Selective_Output then Selective_Output := True; Print_Source := False; Print_Object := False; Print_Unit := False; end if; end Reset_Print; ---------------- -- Search_RTS -- ---------------- procedure Search_RTS (Name : String) is Src_Path : String_Ptr; Lib_Path : String_Ptr; -- Paths for source and include subdirs Rts_Full_Path : String_Access; -- Full path for RTS project begin -- Try to find the RTS Src_Path := Get_RTS_Search_Dir (Name, Include); Lib_Path := Get_RTS_Search_Dir (Name, Objects); -- For non-project RTS, both the include and the objects directories -- must be present. if Src_Path /= null and then Lib_Path /= null then Add_Search_Dirs (Src_Path, Include); Add_Search_Dirs (Lib_Path, Objects); return; end if; if Lib_Path /= null then Osint.Fail ("RTS path not valid: missing adainclude directory"); elsif Src_Path /= null then Osint.Fail ("RTS path not valid: missing adalib directory"); end if; -- Try to find the RTS on the project path. First setup the project path Initialize_Default_Project_Path (Prj_Path, Target_Name => Sdefault.Target_Name.all); Rts_Full_Path := Get_Runtime_Path (Prj_Path, Name); if Rts_Full_Path /= null then -- Directory name was found on the project path. Look for the -- include subdirectory(s). Src_Path := Get_RTS_Search_Dir (Rts_Full_Path.all, Include); if Src_Path /= null then Add_Search_Dirs (Src_Path, Include); -- Add the lib subdirectory if it exists Lib_Path := Get_RTS_Search_Dir (Rts_Full_Path.all, Objects); if Lib_Path /= null then Add_Search_Dirs (Lib_Path, Objects); end if; return; end if; end if; Osint.Fail ("RTS path not valid: missing adainclude and adalib directories"); end Search_RTS; ------------------- -- Scan_Ls_Arg -- ------------------- procedure Scan_Ls_Arg (Argv : String) is FD : File_Descriptor; Len : Integer; begin pragma Assert (Argv'First = 1); if Argv'Length = 0 then return; end if; if Argv (1) = '-' then if Argv'Length = 1 then Fail ("switch character cannot be followed by a blank"); -- Processing for -I- elsif Argv (2 .. Argv'Last) = "I-" then Opt.Look_In_Primary_Dir := False; -- Forbid -?- or -??- where ? is any character elsif (Argv'Length = 3 and then Argv (3) = '-') or else (Argv'Length = 4 and then Argv (4) = '-') then Fail ("Trailing ""-"" at the end of " & Argv & " forbidden."); -- Processing for -Idir elsif Argv (2) = 'I' then Add_Source_Dir (Argv (3 .. Argv'Last)); Add_Lib_Dir (Argv (3 .. Argv'Last)); -- Processing for -aIdir (to gcc this is like a -I switch) elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aI" then Add_Source_Dir (Argv (4 .. Argv'Last)); -- Processing for -aOdir elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aO" then Add_Lib_Dir (Argv (4 .. Argv'Last)); -- Processing for -aLdir (to gnatbind this is like a -aO switch) elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aL" then Add_Lib_Dir (Argv (4 .. Argv'Last)); -- Processing for -nostdinc elsif Argv (2 .. Argv'Last) = "nostdinc" then Opt.No_Stdinc := True; -- Processing for one character switches elsif Argv'Length = 2 then case Argv (2) is when 'a' => Also_Predef := True; when 'h' => Print_Usage := True; when 'u' => Reset_Print; Print_Unit := True; when 's' => Reset_Print; Print_Source := True; when 'o' => Reset_Print; Print_Object := True; when 'v' => Verbose_Mode := True; when 'd' => Dependable := True; when 'l' => License := True; when 'V' => Very_Verbose_Mode := True; when others => null; end case; -- Processing for -files=file elsif Argv'Length > 7 and then Argv (1 .. 7) = "-files=" then FD := Open_Read (Argv (8 .. Argv'Last), GNAT.OS_Lib.Text); if FD = Invalid_FD then Osint.Fail ("could not find text file """ & Argv (8 .. Argv'Last) & '"'); end if; Len := Integer (File_Length (FD)); declare Buffer : String (1 .. Len + 1); Index : Positive := 1; Last : Positive; begin -- Read the file Len := Read (FD, Buffer (1)'Address, Len); Buffer (Buffer'Last) := ASCII.NUL; Close (FD); -- Scan the file line by line while Index < Buffer'Last loop -- Find the end of line Last := Index; while Last <= Buffer'Last and then Buffer (Last) /= ASCII.LF and then Buffer (Last) /= ASCII.CR loop Last := Last + 1; end loop; -- Ignore empty lines if Last > Index then Add_File (Buffer (Index .. Last - 1)); end if; -- Find the beginning of the next line Index := Last; while Buffer (Index) = ASCII.CR or else Buffer (Index) = ASCII.LF loop Index := Index + 1; end loop; end loop; end; -- Processing for --RTS=path elsif Argv'Length >= 5 and then Argv (1 .. 5) = "--RTS" then if Argv'Length <= 6 or else Argv (6) /= '='then Osint.Fail ("missing path for --RTS"); else -- Check that it is the first time we see this switch or, if -- it is not the first time, the same path is specified. if RTS_Specified = null then RTS_Specified := new String'(Argv (7 .. Argv'Last)); elsif RTS_Specified.all /= Argv (7 .. Argv'Last) then Osint.Fail ("--RTS cannot be specified multiple times"); end if; -- Valid --RTS switch Opt.No_Stdinc := True; Opt.RTS_Switch := True; end if; end if; -- If not a switch, it must be a file name else Add_File (Argv); end if; end Scan_Ls_Arg; ----------- -- Usage -- ----------- procedure Usage is begin -- Usage line Write_Str ("Usage: "); Osint.Write_Program_Name; Write_Str (" switches [list of object files]"); Write_Eol; Write_Eol; -- GNATLS switches Write_Str ("switches:"); Write_Eol; Display_Usage_Version_And_Help; -- Line for -a Write_Str (" -a also output relevant predefined units"); Write_Eol; -- Line for -u Write_Str (" -u output only relevant unit names"); Write_Eol; -- Line for -h Write_Str (" -h output this help message"); Write_Eol; -- Line for -s Write_Str (" -s output only relevant source names"); Write_Eol; -- Line for -o Write_Str (" -o output only relevant object names"); Write_Eol; -- Line for -d Write_Str (" -d output sources on which specified units " & "depend"); Write_Eol; -- Line for -l Write_Str (" -l output license information"); Write_Eol; -- Line for -v Write_Str (" -v verbose output, full path and unit " & "information"); Write_Eol; Write_Eol; -- Line for -files= Write_Str (" -files=fil files are listed in text file 'fil'"); Write_Eol; -- Line for -aI switch Write_Str (" -aIdir specify source files search path"); Write_Eol; -- Line for -aO switch Write_Str (" -aOdir specify object files search path"); Write_Eol; -- Line for -I switch Write_Str (" -Idir like -aIdir -aOdir"); Write_Eol; -- Line for -I- switch Write_Str (" -I- do not look for sources & object files"); Write_Str (" in the default directory"); Write_Eol; -- Line for -nostdinc Write_Str (" -nostdinc do not look for source files"); Write_Str (" in the system default directory"); Write_Eol; -- Line for --RTS Write_Str (" --RTS=dir specify the default source and object search" & " path"); Write_Eol; -- File Status explanation Write_Eol; Write_Str (" file status can be:"); Write_Eol; for ST in File_Status loop Write_Str (" "); Output_Status (ST, Verbose => False); Write_Str (" ==> "); Output_Status (ST, Verbose => True); Write_Eol; end loop; end Usage; procedure Check_Version_And_Help is new Check_Version_And_Help_G (Usage); -- Start of processing for Gnatls begin -- Initialize standard packages Csets.Initialize; Snames.Initialize; -- First check for --version or --help Check_Version_And_Help ("GNATLS", "1997"); -- Loop to scan out arguments Next_Arg := 1; Scan_Args : while Next_Arg < Arg_Count loop declare Next_Argv : String (1 .. Len_Arg (Next_Arg)); begin Fill_Arg (Next_Argv'Address, Next_Arg); Scan_Ls_Arg (Next_Argv); end; Next_Arg := Next_Arg + 1; end loop Scan_Args; -- If -l (output license information) is given, it must be the only switch if License and then Arg_Count /= 2 then Set_Standard_Error; Write_Str ("Can't use -l with another switch"); Write_Eol; Usage; Exit_Program (E_Fatal); end if; -- Handle --RTS switch if RTS_Specified /= null then Search_RTS (RTS_Specified.all); end if; -- Add the source and object directories specified on the command line, if -- any, to the searched directories. while First_Source_Dir /= null loop Add_Src_Search_Dir (First_Source_Dir.Value.all); First_Source_Dir := First_Source_Dir.Next; end loop; while First_Lib_Dir /= null loop Add_Lib_Search_Dir (First_Lib_Dir.Value.all); First_Lib_Dir := First_Lib_Dir.Next; end loop; -- Finally, add the default directories and obtain target parameters Osint.Add_Default_Search_Dirs; if Verbose_Mode then Write_Eol; Display_Version ("GNATLS", "1997"); Write_Eol; Write_Str ("Source Search Path:"); Write_Eol; for J in 1 .. Nb_Dir_In_Src_Search_Path loop Write_Str (" "); if Dir_In_Src_Search_Path (J)'Length = 0 then Write_Str ("<Current_Directory>"); else Write_Str (To_Host_Dir_Spec (Dir_In_Src_Search_Path (J).all, True).all); end if; Write_Eol; end loop; Write_Eol; Write_Eol; Write_Str ("Object Search Path:"); Write_Eol; for J in 1 .. Nb_Dir_In_Obj_Search_Path loop Write_Str (" "); if Dir_In_Obj_Search_Path (J)'Length = 0 then Write_Str ("<Current_Directory>"); else Write_Str (To_Host_Dir_Spec (Dir_In_Obj_Search_Path (J).all, True).all); end if; Write_Eol; end loop; Write_Eol; Write_Eol; Write_Str (Project_Search_Path); Write_Eol; Write_Str (" <Current_Directory>"); Write_Eol; Initialize_Default_Project_Path (Prj_Path, Target_Name => Sdefault.Target_Name.all); declare Project_Path : String_Access; First : Natural; Last : Natural; begin Get_Path (Prj_Path, Project_Path); if Project_Path.all /= "" then First := Project_Path'First; loop while First <= Project_Path'Last and then (Project_Path (First) = Path_Separator) loop First := First + 1; end loop; exit when First > Project_Path'Last; Last := First; while Last < Project_Path'Last and then Project_Path (Last + 1) /= Path_Separator loop Last := Last + 1; end loop; if First /= Last or else Project_Path (First) /= '.' then -- If the directory is ".", skip it as it is the current -- directory and it is already the first directory in the -- project path. Write_Str (" "); Write_Str (Normalize_Pathname (To_Host_Dir_Spec (Project_Path (First .. Last), True).all)); Write_Eol; end if; First := Last + 1; end loop; end if; end; Write_Eol; end if; -- Output usage information when requested if Print_Usage then Usage; end if; -- Output license information when requested if License then Output_License_Information; Exit_Program (E_Success); end if; if not More_Lib_Files then if not Print_Usage and then not Verbose_Mode then Usage; end if; Exit_Program (E_Fatal); end if; Initialize_ALI; Initialize_ALI_Source; -- Print out all library for which no ALI files can be located while More_Lib_Files loop Main_File := Next_Main_Lib_File; Ali_File := Full_Lib_File_Name (Lib_File_Name (Main_File)); if Ali_File = No_File then if Very_Verbose_Mode then GNATDIST.Output_No_ALI (Lib_File_Name (Main_File)); else Set_Standard_Error; Write_Str ("Can't find library info for "); Get_Name_String (Main_File); Write_Char ('"'); -- " Write_Str (Name_Buffer (1 .. Name_Len)); Write_Char ('"'); -- " Write_Eol; end if; else Ali_File := Strip_Directory (Ali_File); if Get_Name_Table_Info (Ali_File) = 0 then Text := Read_Library_Info (Ali_File, True); declare Discard : ALI_Id; pragma Unreferenced (Discard); begin Discard := Scan_ALI (Ali_File, Text, Ignore_ED => False, Err => False, Ignore_Errors => True); end; Free (Text); end if; end if; end loop; -- Reset default output file descriptor, if needed Set_Standard_Output; if Very_Verbose_Mode then for A in ALIs.First .. ALIs.Last loop GNATDIST.Output_ALI (A); end loop; return; end if; Find_General_Layout; for Id in ALIs.First .. ALIs.Last loop declare Last_U : Unit_Id; begin Get_Name_String (Units.Table (ALIs.Table (Id).First_Unit).Uname); if Also_Predef or else not Is_Internal_Unit then if ALIs.Table (Id).No_Object then Output_Object (No_File); else Output_Object (ALIs.Table (Id).Ofile_Full_Name); end if; -- In verbose mode print all main units in the ALI file, otherwise -- just print the first one to ease columnwise printout if Verbose_Mode then Last_U := ALIs.Table (Id).Last_Unit; else Last_U := ALIs.Table (Id).First_Unit; end if; for U in ALIs.Table (Id).First_Unit .. Last_U loop if U /= ALIs.Table (Id).First_Unit and then Selective_Output and then Print_Unit then Write_Eol; end if; Output_Unit (Id, U); -- Output source now, unless if it will be done as part of -- outputing dependencies. if not (Dependable and then Print_Source) then Output_Source (Corresponding_Sdep_Entry (Id, U)); end if; end loop; -- Print out list of units on which this unit depends (D lines) if Dependable and then Print_Source then if Verbose_Mode then Write_Str ("depends upon"); Write_Eol; Write_Str (" "); else Write_Eol; end if; for D in ALIs.Table (Id).First_Sdep .. ALIs.Table (Id).Last_Sdep loop if Also_Predef or else not Is_Internal_File_Name (Sdep.Table (D).Sfile) then if Verbose_Mode then Write_Str (" "); Output_Source (D); elsif Too_Long then Write_Str (" "); Output_Source (D); Write_Eol; else Write_Str (Spaces (1 .. Source_Start - 2)); Output_Source (D); Write_Eol; end if; end if; end loop; end if; Write_Eol; end if; end; end loop; -- All done. Set proper exit status Namet.Finalize; Exit_Program (E_Success); end Gnatls;
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