diff options
Diffstat (limited to 'gcc/ada/makeutl.adb')
| -rw-r--r-- | gcc/ada/makeutl.adb | 1210 |
1 files changed, 1210 insertions, 0 deletions
diff --git a/gcc/ada/makeutl.adb b/gcc/ada/makeutl.adb new file mode 100644 index 000000000..1ac84a2b3 --- /dev/null +++ b/gcc/ada/makeutl.adb @@ -0,0 +1,1210 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- M A K E U T L -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 2004-2010, 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 Debug; +with Fname; +with Hostparm; +with Osint; use Osint; +with Output; use Output; +with Opt; use Opt; +with Prj.Ext; +with Prj.Util; +with Snames; use Snames; +with Table; +with Tempdir; + +with Ada.Command_Line; use Ada.Command_Line; + +with GNAT.Case_Util; use GNAT.Case_Util; +with GNAT.Directory_Operations; use GNAT.Directory_Operations; +with GNAT.HTable; + +package body Makeutl is + + type Mark_Key is record + File : File_Name_Type; + Index : Int; + end record; + -- Identify either a mono-unit source (when Index = 0) or a specific unit + -- (index = 1's origin index of unit) in a multi-unit source. + + -- There follow many global undocumented declarations, comments needed ??? + + Max_Mask_Num : constant := 2048; + + subtype Mark_Num is Union_Id range 0 .. Max_Mask_Num - 1; + + function Hash (Key : Mark_Key) return Mark_Num; + + package Marks is new GNAT.HTable.Simple_HTable + (Header_Num => Mark_Num, + Element => Boolean, + No_Element => False, + Key => Mark_Key, + Hash => Hash, + Equal => "="); + -- A hash table to keep tracks of the marked units + + type Linker_Options_Data is record + Project : Project_Id; + Options : String_List_Id; + end record; + + Linker_Option_Initial_Count : constant := 20; + + Linker_Options_Buffer : String_List_Access := + new String_List (1 .. Linker_Option_Initial_Count); + + Last_Linker_Option : Natural := 0; + + package Linker_Opts is new Table.Table ( + Table_Component_Type => Linker_Options_Data, + Table_Index_Type => Integer, + Table_Low_Bound => 1, + Table_Initial => 10, + Table_Increment => 100, + Table_Name => "Make.Linker_Opts"); + + procedure Add_Linker_Option (Option : String); + + --------- + -- Add -- + --------- + + procedure Add + (Option : String_Access; + To : in out String_List_Access; + Last : in out Natural) + is + begin + if Last = To'Last then + declare + New_Options : constant String_List_Access := + new String_List (1 .. To'Last * 2); + + begin + New_Options (To'Range) := To.all; + + -- Set all elements of the original options to null to avoid + -- deallocation of copies. + + To.all := (others => null); + + Free (To); + To := New_Options; + end; + end if; + + Last := Last + 1; + To (Last) := Option; + end Add; + + procedure Add + (Option : String; + To : in out String_List_Access; + Last : in out Natural) + is + begin + Add (Option => new String'(Option), To => To, Last => Last); + end Add; + + ----------------------- + -- Add_Linker_Option -- + ----------------------- + + procedure Add_Linker_Option (Option : String) is + begin + if Option'Length > 0 then + if Last_Linker_Option = Linker_Options_Buffer'Last then + declare + New_Buffer : constant String_List_Access := + new String_List + (1 .. Linker_Options_Buffer'Last + + Linker_Option_Initial_Count); + begin + New_Buffer (Linker_Options_Buffer'Range) := + Linker_Options_Buffer.all; + Linker_Options_Buffer.all := (others => null); + Free (Linker_Options_Buffer); + Linker_Options_Buffer := New_Buffer; + end; + end if; + + Last_Linker_Option := Last_Linker_Option + 1; + Linker_Options_Buffer (Last_Linker_Option) := new String'(Option); + end if; + end Add_Linker_Option; + + ------------------------- + -- Base_Name_Index_For -- + ------------------------- + + function Base_Name_Index_For + (Main : String; + Main_Index : Int; + Index_Separator : Character) return File_Name_Type + is + Result : File_Name_Type; + + begin + Name_Len := 0; + Add_Str_To_Name_Buffer (Base_Name (Main)); + + -- Remove the extension, if any, that is the last part of the base name + -- starting with a dot and following some characters. + + for J in reverse 2 .. Name_Len loop + if Name_Buffer (J) = '.' then + Name_Len := J - 1; + exit; + end if; + end loop; + + -- Add the index info, if index is different from 0 + + if Main_Index > 0 then + Add_Char_To_Name_Buffer (Index_Separator); + + declare + Img : constant String := Main_Index'Img; + begin + Add_Str_To_Name_Buffer (Img (2 .. Img'Last)); + end; + end if; + + Result := Name_Find; + return Result; + end Base_Name_Index_For; + + ------------------------------ + -- Check_Source_Info_In_ALI -- + ------------------------------ + + function Check_Source_Info_In_ALI + (The_ALI : ALI_Id; + Tree : Project_Tree_Ref) return Boolean + is + Unit_Name : Name_Id; + + begin + -- Loop through units + + for U in ALIs.Table (The_ALI).First_Unit .. + ALIs.Table (The_ALI).Last_Unit + loop + -- Check if the file name is one of the source of the unit + + Get_Name_String (Units.Table (U).Uname); + Name_Len := Name_Len - 2; + Unit_Name := Name_Find; + + if File_Not_A_Source_Of (Unit_Name, Units.Table (U).Sfile) then + return False; + end if; + + -- Loop to do same check for each of the withed units + + for W in Units.Table (U).First_With .. Units.Table (U).Last_With loop + declare + WR : ALI.With_Record renames Withs.Table (W); + + begin + if WR.Sfile /= No_File then + Get_Name_String (WR.Uname); + Name_Len := Name_Len - 2; + Unit_Name := Name_Find; + + if File_Not_A_Source_Of (Unit_Name, WR.Sfile) then + return False; + end if; + end if; + end; + end loop; + end loop; + + -- Loop to check subunits and replaced sources + + for D in ALIs.Table (The_ALI).First_Sdep .. + ALIs.Table (The_ALI).Last_Sdep + loop + declare + SD : Sdep_Record renames Sdep.Table (D); + + begin + Unit_Name := SD.Subunit_Name; + + if Unit_Name = No_Name then + -- Check if this source file has been replaced by a source with + -- a different file name. + + if Tree /= null and then Tree.Replaced_Source_Number > 0 then + declare + Replacement : constant File_Name_Type := + Replaced_Source_HTable.Get + (Tree.Replaced_Sources, SD.Sfile); + + begin + if Replacement /= No_File then + if Verbose_Mode then + Write_Line + ("source file" & + Get_Name_String (SD.Sfile) & + " has been replaced by " & + Get_Name_String (Replacement)); + end if; + + return False; + end if; + end; + end if; + + else + -- For separates, the file is no longer associated with the + -- unit ("proc-sep.adb" is not associated with unit "proc.sep") + -- so we need to check whether the source file still exists in + -- the source tree: it will if it matches the naming scheme + -- (and then will be for the same unit). + + if Find_Source + (In_Tree => Project_Tree, + Project => No_Project, + Base_Name => SD.Sfile) = No_Source + then + -- If this is not a runtime file or if, when gnatmake switch + -- -a is used, we are not able to find this subunit in the + -- source directories, then recompilation is needed. + + if not Fname.Is_Internal_File_Name (SD.Sfile) + or else + (Check_Readonly_Files + and then Full_Source_Name (SD.Sfile) = No_File) + then + if Verbose_Mode then + Write_Line + ("While parsing ALI file, file " + & Get_Name_String (SD.Sfile) + & " is indicated as containing subunit " + & Get_Name_String (Unit_Name) + & " but this does not match what was found while" + & " parsing the project. Will recompile"); + end if; + + return False; + end if; + end if; + end if; + end; + end loop; + + return True; + end Check_Source_Info_In_ALI; + + -------------------------------- + -- Create_Binder_Mapping_File -- + -------------------------------- + + function Create_Binder_Mapping_File return Path_Name_Type is + Mapping_Path : Path_Name_Type := No_Path; + + Mapping_FD : File_Descriptor := Invalid_FD; + -- A File Descriptor for an eventual mapping file + + ALI_Unit : Unit_Name_Type := No_Unit_Name; + -- The unit name of an ALI file + + ALI_Name : File_Name_Type := No_File; + -- The file name of the ALI file + + ALI_Project : Project_Id := No_Project; + -- The project of the ALI file + + Bytes : Integer; + OK : Boolean := False; + Unit : Unit_Index; + + Status : Boolean; + -- For call to Close + + begin + Tempdir.Create_Temp_File (Mapping_FD, Mapping_Path); + Record_Temp_File (Project_Tree, Mapping_Path); + + if Mapping_FD /= Invalid_FD then + OK := True; + + -- Traverse all units + + Unit := Units_Htable.Get_First (Project_Tree.Units_HT); + while Unit /= No_Unit_Index loop + if Unit.Name /= No_Name then + + -- If there is a body, put it in the mapping + + if Unit.File_Names (Impl) /= No_Source + and then Unit.File_Names (Impl).Project /= No_Project + then + Get_Name_String (Unit.Name); + Add_Str_To_Name_Buffer ("%b"); + ALI_Unit := Name_Find; + ALI_Name := + Lib_File_Name (Unit.File_Names (Impl).Display_File); + ALI_Project := Unit.File_Names (Impl).Project; + + -- Otherwise, if there is a spec, put it in the mapping + + elsif Unit.File_Names (Spec) /= No_Source + and then Unit.File_Names (Spec).Project /= No_Project + then + Get_Name_String (Unit.Name); + Add_Str_To_Name_Buffer ("%s"); + ALI_Unit := Name_Find; + ALI_Name := + Lib_File_Name (Unit.File_Names (Spec).Display_File); + ALI_Project := Unit.File_Names (Spec).Project; + + else + ALI_Name := No_File; + end if; + + -- If we have something to put in the mapping then do it now. + -- However, if the project is extended, we don't put anything + -- in the mapping file, since we don't know where the ALI file + -- is: it might be in the extended project object directory as + -- well as in the extending project object directory. + + if ALI_Name /= No_File + and then ALI_Project.Extended_By = No_Project + and then ALI_Project.Extends = No_Project + then + -- First check if the ALI file exists. If it does not, do + -- not put the unit in the mapping file. + + declare + ALI : constant String := Get_Name_String (ALI_Name); + + begin + -- For library projects, use the library ALI directory, + -- for other projects, use the object directory. + + if ALI_Project.Library then + Get_Name_String + (ALI_Project.Library_ALI_Dir.Display_Name); + else + Get_Name_String + (ALI_Project.Object_Directory.Display_Name); + end if; + + if not + Is_Directory_Separator (Name_Buffer (Name_Len)) + then + Add_Char_To_Name_Buffer (Directory_Separator); + end if; + + Add_Str_To_Name_Buffer (ALI); + Add_Char_To_Name_Buffer (ASCII.LF); + + declare + ALI_Path_Name : constant String := + Name_Buffer (1 .. Name_Len); + + begin + if Is_Regular_File + (ALI_Path_Name (1 .. ALI_Path_Name'Last - 1)) + then + -- First line is the unit name + + Get_Name_String (ALI_Unit); + Add_Char_To_Name_Buffer (ASCII.LF); + Bytes := + Write + (Mapping_FD, + Name_Buffer (1)'Address, + Name_Len); + OK := Bytes = Name_Len; + + exit when not OK; + + -- Second line it the ALI file name + + Get_Name_String (ALI_Name); + Add_Char_To_Name_Buffer (ASCII.LF); + Bytes := + Write + (Mapping_FD, + Name_Buffer (1)'Address, + Name_Len); + OK := (Bytes = Name_Len); + + exit when not OK; + + -- Third line it the ALI path name + + Bytes := + Write + (Mapping_FD, + ALI_Path_Name (1)'Address, + ALI_Path_Name'Length); + OK := (Bytes = ALI_Path_Name'Length); + + -- If OK is False, it means we were unable to + -- write a line. No point in continuing with the + -- other units. + + exit when not OK; + end if; + end; + end; + end if; + end if; + + Unit := Units_Htable.Get_Next (Project_Tree.Units_HT); + end loop; + + Close (Mapping_FD, Status); + + OK := OK and Status; + end if; + + -- If the creation of the mapping file was successful, we add the switch + -- to the arguments of gnatbind. + + if OK then + return Mapping_Path; + + else + return No_Path; + end if; + end Create_Binder_Mapping_File; + + ----------------- + -- Create_Name -- + ----------------- + + function Create_Name (Name : String) return File_Name_Type is + begin + Name_Len := 0; + Add_Str_To_Name_Buffer (Name); + return Name_Find; + end Create_Name; + + function Create_Name (Name : String) return Name_Id is + begin + Name_Len := 0; + Add_Str_To_Name_Buffer (Name); + return Name_Find; + end Create_Name; + + function Create_Name (Name : String) return Path_Name_Type is + begin + Name_Len := 0; + Add_Str_To_Name_Buffer (Name); + return Name_Find; + end Create_Name; + + ---------------------- + -- Delete_All_Marks -- + ---------------------- + + procedure Delete_All_Marks is + begin + Marks.Reset; + end Delete_All_Marks; + + ---------------------------- + -- Executable_Prefix_Path -- + ---------------------------- + + function Executable_Prefix_Path return String is + Exec_Name : constant String := Command_Name; + + function Get_Install_Dir (S : String) return String; + -- S is the executable name preceded by the absolute or relative path, + -- e.g. "c:\usr\bin\gcc.exe". Returns the absolute directory where "bin" + -- lies (in the example "C:\usr"). If the executable is not in a "bin" + -- directory, return "". + + --------------------- + -- Get_Install_Dir -- + --------------------- + + function Get_Install_Dir (S : String) return String is + Exec : String := S; + Path_Last : Integer := 0; + + begin + for J in reverse Exec'Range loop + if Exec (J) = Directory_Separator then + Path_Last := J - 1; + exit; + end if; + end loop; + + if Path_Last >= Exec'First + 2 then + To_Lower (Exec (Path_Last - 2 .. Path_Last)); + end if; + + if Path_Last < Exec'First + 2 + or else Exec (Path_Last - 2 .. Path_Last) /= "bin" + or else (Path_Last - 3 >= Exec'First + and then Exec (Path_Last - 3) /= Directory_Separator) + then + return ""; + end if; + + return Normalize_Pathname + (Exec (Exec'First .. Path_Last - 4), + Resolve_Links => Opt.Follow_Links_For_Dirs) + & Directory_Separator; + end Get_Install_Dir; + + -- Beginning of Executable_Prefix_Path + + begin + -- For VMS, the path returned is always /gnu/ + + if Hostparm.OpenVMS then + return "/gnu/"; + end if; + + -- First determine if a path prefix was placed in front of the + -- executable name. + + for J in reverse Exec_Name'Range loop + if Exec_Name (J) = Directory_Separator then + return Get_Install_Dir (Exec_Name); + end if; + end loop; + + -- If we get here, the user has typed the executable name with no + -- directory prefix. + + declare + Path : String_Access := Locate_Exec_On_Path (Exec_Name); + begin + if Path = null then + return ""; + else + declare + Dir : constant String := Get_Install_Dir (Path.all); + begin + Free (Path); + return Dir; + end; + end if; + end; + end Executable_Prefix_Path; + + -------------------------- + -- File_Not_A_Source_Of -- + -------------------------- + + function File_Not_A_Source_Of + (Uname : Name_Id; + Sfile : File_Name_Type) return Boolean + is + Unit : constant Unit_Index := + Units_Htable.Get (Project_Tree.Units_HT, Uname); + + At_Least_One_File : Boolean := False; + + begin + if Unit /= No_Unit_Index then + for F in Unit.File_Names'Range loop + if Unit.File_Names (F) /= null then + At_Least_One_File := True; + if Unit.File_Names (F).File = Sfile then + return False; + end if; + end if; + end loop; + + if not At_Least_One_File then + + -- The unit was probably created initially for a separate unit + -- (which are initially created as IMPL when both suffixes are the + -- same). Later on, Override_Kind changed the type of the file, + -- and the unit is no longer valid in fact. + + return False; + end if; + + Verbose_Msg (Uname, "sources do not include ", Name_Id (Sfile)); + return True; + end if; + + return False; + end File_Not_A_Source_Of; + + ---------- + -- Hash -- + ---------- + + function Hash (Key : Mark_Key) return Mark_Num is + begin + return Union_Id (Key.File) mod Max_Mask_Num; + end Hash; + + ------------ + -- Inform -- + ------------ + + procedure Inform (N : File_Name_Type; Msg : String) is + begin + Inform (Name_Id (N), Msg); + end Inform; + + procedure Inform (N : Name_Id := No_Name; Msg : String) is + begin + Osint.Write_Program_Name; + + Write_Str (": "); + + if N /= No_Name then + Write_Str (""""); + + declare + Name : constant String := Get_Name_String (N); + begin + if Debug.Debug_Flag_F and then Is_Absolute_Path (Name) then + Write_Str (File_Name (Name)); + else + Write_Str (Name); + end if; + end; + + Write_Str (""" "); + end if; + + Write_Str (Msg); + Write_Eol; + end Inform; + + ---------------------------- + -- Is_External_Assignment -- + ---------------------------- + + function Is_External_Assignment + (Tree : Prj.Tree.Project_Node_Tree_Ref; + Argv : String) return Boolean + is + Start : Positive := 3; + Finish : Natural := Argv'Last; + + pragma Assert (Argv'First = 1); + pragma Assert (Argv (1 .. 2) = "-X"); + + begin + if Argv'Last < 5 then + return False; + + elsif Argv (3) = '"' then + if Argv (Argv'Last) /= '"' or else Argv'Last < 7 then + return False; + else + Start := 4; + Finish := Argv'Last - 1; + end if; + end if; + + return Prj.Ext.Check + (Tree => Tree, + Declaration => Argv (Start .. Finish)); + end Is_External_Assignment; + + --------------- + -- Is_Marked -- + --------------- + + function Is_Marked + (Source_File : File_Name_Type; + Index : Int := 0) return Boolean + is + begin + return Marks.Get (K => (File => Source_File, Index => Index)); + end Is_Marked; + + ----------------------------- + -- Linker_Options_Switches -- + ----------------------------- + + function Linker_Options_Switches + (Project : Project_Id; + In_Tree : Project_Tree_Ref) return String_List + is + procedure Recursive_Add (Proj : Project_Id; Dummy : in out Boolean); + -- The recursive routine used to add linker options + + ------------------- + -- Recursive_Add -- + ------------------- + + procedure Recursive_Add (Proj : Project_Id; Dummy : in out Boolean) is + pragma Unreferenced (Dummy); + + Linker_Package : Package_Id; + Options : Variable_Value; + + begin + Linker_Package := + Prj.Util.Value_Of + (Name => Name_Linker, + In_Packages => Proj.Decl.Packages, + In_Tree => In_Tree); + + Options := + Prj.Util.Value_Of + (Name => Name_Ada, + Index => 0, + Attribute_Or_Array_Name => Name_Linker_Options, + In_Package => Linker_Package, + In_Tree => In_Tree); + + -- If attribute is present, add the project with + -- the attribute to table Linker_Opts. + + if Options /= Nil_Variable_Value then + Linker_Opts.Increment_Last; + Linker_Opts.Table (Linker_Opts.Last) := + (Project => Proj, Options => Options.Values); + end if; + end Recursive_Add; + + procedure For_All_Projects is + new For_Every_Project_Imported (Boolean, Recursive_Add); + + Dummy : Boolean := False; + + -- Start of processing for Linker_Options_Switches + + begin + Linker_Opts.Init; + + For_All_Projects (Project, Dummy, Imported_First => True); + + Last_Linker_Option := 0; + + for Index in reverse 1 .. Linker_Opts.Last loop + declare + Options : String_List_Id; + Proj : constant Project_Id := + Linker_Opts.Table (Index).Project; + Option : Name_Id; + Dir_Path : constant String := + Get_Name_String (Proj.Directory.Name); + + begin + Options := Linker_Opts.Table (Index).Options; + while Options /= Nil_String loop + Option := In_Tree.String_Elements.Table (Options).Value; + Get_Name_String (Option); + + -- Do not consider empty linker options + + if Name_Len /= 0 then + Add_Linker_Option (Name_Buffer (1 .. Name_Len)); + + -- Object files and -L switches specified with relative + -- paths must be converted to absolute paths. + + Test_If_Relative_Path + (Switch => Linker_Options_Buffer (Last_Linker_Option), + Parent => Dir_Path, + Including_L_Switch => True); + end if; + + Options := In_Tree.String_Elements.Table (Options).Next; + end loop; + end; + end loop; + + return Linker_Options_Buffer (1 .. Last_Linker_Option); + end Linker_Options_Switches; + + ----------- + -- Mains -- + ----------- + + package body Mains is + + type File_And_Loc is record + File_Name : File_Name_Type; + Index : Int := 0; + Location : Source_Ptr := No_Location; + end record; + + package Names is new Table.Table + (Table_Component_Type => File_And_Loc, + Table_Index_Type => Integer, + Table_Low_Bound => 1, + Table_Initial => 10, + Table_Increment => 100, + Table_Name => "Makeutl.Mains.Names"); + -- The table that stores the mains + + Current : Natural := 0; + -- The index of the last main retrieved from the table + + -------------- + -- Add_Main -- + -------------- + + procedure Add_Main (Name : String) is + begin + Name_Len := 0; + Add_Str_To_Name_Buffer (Name); + Names.Increment_Last; + Names.Table (Names.Last) := (Name_Find, 0, No_Location); + end Add_Main; + + ------------ + -- Delete -- + ------------ + + procedure Delete is + begin + Names.Set_Last (0); + Mains.Reset; + end Delete; + + --------------- + -- Get_Index -- + --------------- + + function Get_Index return Int is + begin + if Current in Names.First .. Names.Last then + return Names.Table (Current).Index; + else + return 0; + end if; + end Get_Index; + + ------------------ + -- Get_Location -- + ------------------ + + function Get_Location return Source_Ptr is + begin + if Current in Names.First .. Names.Last then + return Names.Table (Current).Location; + else + return No_Location; + end if; + end Get_Location; + + --------------- + -- Next_Main -- + --------------- + + function Next_Main return String is + begin + if Current >= Names.Last then + return ""; + else + Current := Current + 1; + return Get_Name_String (Names.Table (Current).File_Name); + end if; + end Next_Main; + + --------------------- + -- Number_Of_Mains -- + --------------------- + + function Number_Of_Mains return Natural is + begin + return Names.Last; + end Number_Of_Mains; + + ----------- + -- Reset -- + ----------- + + procedure Reset is + begin + Current := 0; + end Reset; + + --------------- + -- Set_Index -- + --------------- + + procedure Set_Index (Index : Int) is + begin + if Names.Last > 0 then + Names.Table (Names.Last).Index := Index; + end if; + end Set_Index; + + ------------------ + -- Set_Location -- + ------------------ + + procedure Set_Location (Location : Source_Ptr) is + begin + if Names.Last > 0 then + Names.Table (Names.Last).Location := Location; + end if; + end Set_Location; + + ----------------- + -- Update_Main -- + ----------------- + + procedure Update_Main (Name : String) is + begin + if Current in Names.First .. Names.Last then + Name_Len := 0; + Add_Str_To_Name_Buffer (Name); + Names.Table (Current).File_Name := Name_Find; + end if; + end Update_Main; + end Mains; + + ---------- + -- Mark -- + ---------- + + procedure Mark (Source_File : File_Name_Type; Index : Int := 0) is + begin + Marks.Set (K => (File => Source_File, Index => Index), E => True); + end Mark; + + ----------------------- + -- Path_Or_File_Name -- + ----------------------- + + function Path_Or_File_Name (Path : Path_Name_Type) return String is + Path_Name : constant String := Get_Name_String (Path); + begin + if Debug.Debug_Flag_F then + return File_Name (Path_Name); + else + return Path_Name; + end if; + end Path_Or_File_Name; + + --------------------------- + -- Test_If_Relative_Path -- + --------------------------- + + procedure Test_If_Relative_Path + (Switch : in out String_Access; + Parent : String; + Including_L_Switch : Boolean := True; + Including_Non_Switch : Boolean := True; + Including_RTS : Boolean := False) + is + begin + if Switch /= null then + declare + Sw : String (1 .. Switch'Length); + Start : Positive; + + begin + Sw := Switch.all; + + if Sw (1) = '-' then + if Sw'Length >= 3 + and then (Sw (2) = 'A' + or else Sw (2) = 'I' + or else (Including_L_Switch and then Sw (2) = 'L')) + then + Start := 3; + + if Sw = "-I-" then + return; + end if; + + elsif Sw'Length >= 4 + and then (Sw (2 .. 3) = "aL" + or else Sw (2 .. 3) = "aO" + or else Sw (2 .. 3) = "aI") + then + Start := 4; + + elsif Including_RTS + and then Sw'Length >= 7 + and then Sw (2 .. 6) = "-RTS=" + then + Start := 7; + + else + return; + end if; + + -- Because relative path arguments to --RTS= may be relative + -- to the search directory prefix, those relative path + -- arguments are converted only when they include directory + -- information. + + if not Is_Absolute_Path (Sw (Start .. Sw'Last)) then + if Parent'Length = 0 then + Do_Fail + ("relative search path switches (""" + & Sw + & """) are not allowed"); + + elsif Including_RTS then + for J in Start .. Sw'Last loop + if Sw (J) = Directory_Separator then + Switch := + new String' + (Sw (1 .. Start - 1) & + Parent & + Directory_Separator & + Sw (Start .. Sw'Last)); + return; + end if; + end loop; + + else + Switch := + new String' + (Sw (1 .. Start - 1) & + Parent & + Directory_Separator & + Sw (Start .. Sw'Last)); + end if; + end if; + + elsif Including_Non_Switch then + if not Is_Absolute_Path (Sw) then + if Parent'Length = 0 then + Do_Fail + ("relative paths (""" & Sw & """) are not allowed"); + else + Switch := new String'(Parent & Directory_Separator & Sw); + end if; + end if; + end if; + end; + end if; + end Test_If_Relative_Path; + + ------------------- + -- Unit_Index_Of -- + ------------------- + + function Unit_Index_Of (ALI_File : File_Name_Type) return Int is + Start : Natural; + Finish : Natural; + Result : Int := 0; + + begin + Get_Name_String (ALI_File); + + -- First, find the last dot + + Finish := Name_Len; + + while Finish >= 1 and then Name_Buffer (Finish) /= '.' loop + Finish := Finish - 1; + end loop; + + if Finish = 1 then + return 0; + end if; + + -- Now check that the dot is preceded by digits + + Start := Finish; + Finish := Finish - 1; + + while Start >= 1 and then Name_Buffer (Start - 1) in '0' .. '9' loop + Start := Start - 1; + end loop; + + -- If there are no digits, or if the digits are not preceded by the + -- character that precedes a unit index, this is not the ALI file of + -- a unit in a multi-unit source. + + if Start > Finish + or else Start = 1 + or else Name_Buffer (Start - 1) /= Multi_Unit_Index_Character + then + return 0; + end if; + + -- Build the index from the digit(s) + + while Start <= Finish loop + Result := Result * 10 + + Character'Pos (Name_Buffer (Start)) - Character'Pos ('0'); + Start := Start + 1; + end loop; + + return Result; + end Unit_Index_Of; + + ----------------- + -- Verbose_Msg -- + ----------------- + + procedure Verbose_Msg + (N1 : Name_Id; + S1 : String; + N2 : Name_Id := No_Name; + S2 : String := ""; + Prefix : String := " -> "; + Minimum_Verbosity : Opt.Verbosity_Level_Type := Opt.Low) + is + begin + if not Opt.Verbose_Mode + or else Minimum_Verbosity > Opt.Verbosity_Level + then + return; + end if; + + Write_Str (Prefix); + Write_Str (""""); + Write_Name (N1); + Write_Str (""" "); + Write_Str (S1); + + if N2 /= No_Name then + Write_Str (" """); + Write_Name (N2); + Write_Str (""" "); + end if; + + Write_Str (S2); + Write_Eol; + end Verbose_Msg; + + procedure Verbose_Msg + (N1 : File_Name_Type; + S1 : String; + N2 : File_Name_Type := No_File; + S2 : String := ""; + Prefix : String := " -> "; + Minimum_Verbosity : Opt.Verbosity_Level_Type := Opt.Low) + is + begin + Verbose_Msg + (Name_Id (N1), S1, Name_Id (N2), S2, Prefix, Minimum_Verbosity); + end Verbose_Msg; + +end Makeutl; |