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Diffstat (limited to 'gcc-4.8.3/gcc/ada/makeutl.adb')
| -rw-r--r-- | gcc-4.8.3/gcc/ada/makeutl.adb | 3446 |
1 files changed, 3446 insertions, 0 deletions
diff --git a/gcc-4.8.3/gcc/ada/makeutl.adb b/gcc-4.8.3/gcc/ada/makeutl.adb new file mode 100644 index 000000000..6d33aaacc --- /dev/null +++ b/gcc-4.8.3/gcc/ada/makeutl.adb @@ -0,0 +1,3446 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- M A K E U T L -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 2004-2013, 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 Atree; use Atree; +with Debug; +with Err_Vars; use Err_Vars; +with Errutil; +with Fname; +with Hostparm; +with Osint; use Osint; +with Output; use Output; +with Opt; use Opt; +with Prj.Com; +with Prj.Err; +with Prj.Ext; +with Prj.Util; use Prj.Util; +with Sinput.P; +with Tempdir; + +with Ada.Command_Line; use Ada.Command_Line; +with Ada.Unchecked_Deallocation; + +with GNAT.Case_Util; use GNAT.Case_Util; +with GNAT.Directory_Operations; use GNAT.Directory_Operations; +with GNAT.HTable; +with GNAT.Regexp; use GNAT.Regexp; + +package body Makeutl is + + 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; + + ------------------- + -- Absolute_Path -- + ------------------- + + function Absolute_Path + (Path : Path_Name_Type; + Project : Project_Id) return String + is + begin + Get_Name_String (Path); + + declare + Path_Name : constant String := Name_Buffer (1 .. Name_Len); + + begin + if Is_Absolute_Path (Path_Name) then + return Path_Name; + + else + declare + Parent_Directory : constant String := + Get_Name_String + (Project.Directory.Display_Name); + + begin + return Parent_Directory & Path_Name; + end; + end if; + end; + end Absolute_Path; + + ------------------------- + -- 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 Name_Id + is + Result : Name_Id := No_Name; + 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 (Tree, Unit_Name, Units.Table (U).Sfile) then + return No_Name; + end if; + + if Result = No_Name then + Result := Unit_Name; + 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 (Tree, Unit_Name, WR.Sfile) then + return No_Name; + 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 No_Name; + 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 => 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 No_Name; + end if; + end if; + end if; + end; + end loop; + + return Result; + end Check_Source_Info_In_ALI; + + -------------------------------- + -- Create_Binder_Mapping_File -- + -------------------------------- + + function Create_Binder_Mapping_File + (Project_Tree : Project_Tree_Ref) 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 + + Iter : Source_Iterator := + For_Each_Source + (In_Tree => Project_Tree, + Language => Name_Ada, + Encapsulated_Libs => False, + Locally_Removed => False); + Source : Prj.Source_Id; + + begin + Tempdir.Create_Temp_File (Mapping_FD, Mapping_Path); + Record_Temp_File (Project_Tree.Shared, Mapping_Path); + + if Mapping_FD /= Invalid_FD then + OK := True; + + loop + Source := Element (Iter); + exit when Source = No_Source; + + Unit := Source.Unit; + + if Unit = No_Unit_Index or else Unit.Name = No_Name then + ALI_Name := No_File; + + -- If this is a body, put it in the mapping + + elsif Source.Kind = Impl + and then 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 this is a spec and there is no body, put it in + -- the mapping. + + elsif Source.Kind = Spec + and then Unit.File_Names (Impl) = No_Source + and then 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. If + -- the project is extended, look for the ALI file in the project, + -- then in the extending projects in order, and use the last one + -- found. + + if ALI_Name /= No_File then + -- Look in the project and the projects that are extending it + -- to find the real ALI file. + + declare + ALI : constant String := Get_Name_String (ALI_Name); + + ALI_Path : Name_Id := No_Name; + begin + loop + -- 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; + + Add_Str_To_Name_Buffer (ALI); + + if Is_Regular_File (Name_Buffer (1 .. Name_Len)) then + ALI_Path := Name_Find; + end if; + + ALI_Project := ALI_Project.Extended_By; + exit when ALI_Project = No_Project; + end loop; + + if ALI_Path /= No_Name 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 + + Get_Name_String (ALI_Path); + Add_Char_To_Name_Buffer (ASCII.LF); + Bytes := + Write + (Mapping_FD, + Name_Buffer (1)'Address, + Name_Len); + OK := (Bytes = Name_Len); + + -- 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 if; + + Next (Iter); + 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; + + --------------------------- + -- Ensure_Absolute_Path -- + --------------------------- + + procedure Ensure_Absolute_Path + (Switch : in out String_Access; + Parent : String; + Do_Fail : Fail_Proc; + For_Gnatbind : Boolean := False; + 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) = 'I' + or else (not For_Gnatbind + and then (Sw (2) = 'L' + or else Sw (2) = 'A'))) + 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" + or else + (For_Gnatbind and then Sw (2 .. 3) = "A=")) + 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 Ensure_Absolute_Path; + + ---------------------------- + -- 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; + + ------------------ + -- Fail_Program -- + ------------------ + + procedure Fail_Program + (Project_Tree : Project_Tree_Ref; + S : String; + Flush_Messages : Boolean := True) + is + begin + if Flush_Messages then + if Total_Errors_Detected /= 0 or else Warnings_Detected /= 0 then + Errutil.Finalize; + end if; + end if; + + Finish_Program (Project_Tree, E_Fatal, S => S); + end Fail_Program; + + -------------------- + -- Finish_Program -- + -------------------- + + procedure Finish_Program + (Project_Tree : Project_Tree_Ref; + Exit_Code : Osint.Exit_Code_Type := Osint.E_Success; + S : String := "") + is + begin + if not Debug.Debug_Flag_N then + Delete_Temp_Config_Files (Project_Tree); + + if Project_Tree /= null then + Delete_All_Temp_Files (Project_Tree.Shared); + end if; + end if; + + if S'Length > 0 then + if Exit_Code /= E_Success then + Osint.Fail (S); + else + Write_Str (S); + end if; + end if; + + -- Output Namet statistics + + Namet.Finalize; + + Exit_Program (Exit_Code); + end Finish_Program; + + -------------------------- + -- File_Not_A_Source_Of -- + -------------------------- + + function File_Not_A_Source_Of + (Project_Tree : Project_Tree_Ref; + 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; + + --------------------- + -- Get_Directories -- + --------------------- + + procedure Get_Directories + (Project_Tree : Project_Tree_Ref; + For_Project : Project_Id; + Activity : Activity_Type; + Languages : Name_Ids) + is + + procedure Recursive_Add + (Project : Project_Id; + Tree : Project_Tree_Ref; + Extended : in out Boolean); + -- Add all the source directories of a project to the path only if + -- this project has not been visited. Calls itself recursively for + -- projects being extended, and imported projects. + + procedure Add_Dir (Value : Path_Name_Type); + -- Add directory Value in table Directories, if it is defined and not + -- already there. + + ------------- + -- Add_Dir -- + ------------- + + procedure Add_Dir (Value : Path_Name_Type) is + Add_It : Boolean := True; + + begin + if Value /= No_Path then + for Index in 1 .. Directories.Last loop + if Directories.Table (Index) = Value then + Add_It := False; + exit; + end if; + end loop; + + if Add_It then + Directories.Increment_Last; + Directories.Table (Directories.Last) := Value; + end if; + end if; + end Add_Dir; + + ------------------- + -- Recursive_Add -- + ------------------- + + procedure Recursive_Add + (Project : Project_Id; + Tree : Project_Tree_Ref; + Extended : in out Boolean) + is + Current : String_List_Id; + Dir : String_Element; + OK : Boolean := False; + Lang_Proc : Language_Ptr := Project.Languages; + + begin + -- Add to path all directories of this project + + if Activity = Compilation then + Lang_Loop : + while Lang_Proc /= No_Language_Index loop + for J in Languages'Range loop + OK := Lang_Proc.Name = Languages (J); + exit Lang_Loop when OK; + end loop; + + Lang_Proc := Lang_Proc.Next; + end loop Lang_Loop; + + if OK then + Current := Project.Source_Dirs; + + while Current /= Nil_String loop + Dir := Tree.Shared.String_Elements.Table (Current); + Add_Dir (Path_Name_Type (Dir.Value)); + Current := Dir.Next; + end loop; + end if; + + elsif Project.Library then + if Activity = SAL_Binding and then Extended then + Add_Dir (Project.Object_Directory.Display_Name); + + else + Add_Dir (Project.Library_ALI_Dir.Display_Name); + end if; + + else + Add_Dir (Project.Object_Directory.Display_Name); + end if; + + if Project.Extends = No_Project then + Extended := False; + end if; + end Recursive_Add; + + procedure For_All_Projects is + new For_Every_Project_Imported (Boolean, Recursive_Add); + + Extended : Boolean := True; + + -- Start of processing for Get_Directories + + begin + Directories.Init; + For_All_Projects (For_Project, Project_Tree, Extended); + end Get_Directories; + + ------------------ + -- Get_Switches -- + ------------------ + + procedure Get_Switches + (Source : Prj.Source_Id; + Pkg_Name : Name_Id; + Project_Tree : Project_Tree_Ref; + Value : out Variable_Value; + Is_Default : out Boolean) + is + begin + Get_Switches + (Source_File => Source.File, + Source_Lang => Source.Language.Name, + Source_Prj => Source.Project, + Pkg_Name => Pkg_Name, + Project_Tree => Project_Tree, + Value => Value, + Is_Default => Is_Default); + end Get_Switches; + + ------------------ + -- Get_Switches -- + ------------------ + + procedure Get_Switches + (Source_File : File_Name_Type; + Source_Lang : Name_Id; + Source_Prj : Project_Id; + Pkg_Name : Name_Id; + Project_Tree : Project_Tree_Ref; + Value : out Variable_Value; + Is_Default : out Boolean; + Test_Without_Suffix : Boolean := False; + Check_ALI_Suffix : Boolean := False) + is + Project : constant Project_Id := + Ultimate_Extending_Project_Of (Source_Prj); + Pkg : constant Package_Id := + Prj.Util.Value_Of + (Name => Pkg_Name, + In_Packages => Project.Decl.Packages, + Shared => Project_Tree.Shared); + Lang : Language_Ptr; + + begin + Is_Default := False; + + if Source_File /= No_File then + Value := Prj.Util.Value_Of + (Name => Name_Id (Source_File), + Attribute_Or_Array_Name => Name_Switches, + In_Package => Pkg, + Shared => Project_Tree.Shared, + Allow_Wildcards => True); + end if; + + if Value = Nil_Variable_Value and then Test_Without_Suffix then + Lang := + Get_Language_From_Name (Project, Get_Name_String (Source_Lang)); + + if Lang /= null then + declare + Naming : Lang_Naming_Data renames Lang.Config.Naming_Data; + SF_Name : constant String := Get_Name_String (Source_File); + Last : Positive := SF_Name'Length; + Name : String (1 .. Last + 3); + Spec_Suffix : String := Get_Name_String (Naming.Spec_Suffix); + Body_Suffix : String := Get_Name_String (Naming.Body_Suffix); + Truncated : Boolean := False; + + begin + Canonical_Case_File_Name (Spec_Suffix); + Canonical_Case_File_Name (Body_Suffix); + Name (1 .. Last) := SF_Name; + + if Last > Body_Suffix'Length + and then + Name (Last - Body_Suffix'Length + 1 .. Last) = Body_Suffix + then + Truncated := True; + Last := Last - Body_Suffix'Length; + end if; + + if not Truncated + and then Last > Spec_Suffix'Length + and then + Name (Last - Spec_Suffix'Length + 1 .. Last) = Spec_Suffix + then + Truncated := True; + Last := Last - Spec_Suffix'Length; + end if; + + if Truncated then + Name_Len := 0; + Add_Str_To_Name_Buffer (Name (1 .. Last)); + + Value := Prj.Util.Value_Of + (Name => Name_Find, + Attribute_Or_Array_Name => Name_Switches, + In_Package => Pkg, + Shared => Project_Tree.Shared, + Allow_Wildcards => True); + end if; + + if Value = Nil_Variable_Value and then Check_ALI_Suffix then + Last := SF_Name'Length; + while Name (Last) /= '.' loop + Last := Last - 1; + end loop; + + Name_Len := 0; + Add_Str_To_Name_Buffer (Name (1 .. Last)); + Add_Str_To_Name_Buffer ("ali"); + + Value := Prj.Util.Value_Of + (Name => Name_Find, + Attribute_Or_Array_Name => Name_Switches, + In_Package => Pkg, + Shared => Project_Tree.Shared, + Allow_Wildcards => True); + end if; + end; + end if; + end if; + + if Value = Nil_Variable_Value then + Is_Default := True; + Value := + Prj.Util.Value_Of + (Name => Source_Lang, + Attribute_Or_Array_Name => Name_Switches, + In_Package => Pkg, + Shared => Project_Tree.Shared, + Force_Lower_Case_Index => True); + end if; + + if Value = Nil_Variable_Value then + Value := + Prj.Util.Value_Of + (Name => All_Other_Names, + Attribute_Or_Array_Name => Name_Switches, + In_Package => Pkg, + Shared => Project_Tree.Shared, + Force_Lower_Case_Index => True); + end if; + + if Value = Nil_Variable_Value then + Value := + Prj.Util.Value_Of + (Name => Source_Lang, + Attribute_Or_Array_Name => Name_Default_Switches, + In_Package => Pkg, + Shared => Project_Tree.Shared); + end if; + end Get_Switches; + + ------------ + -- 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; + + ------------------------------ + -- Initialize_Source_Record -- + ------------------------------ + + procedure Initialize_Source_Record (Source : Prj.Source_Id) is + + procedure Set_Object_Project + (Obj_Dir : String; + Obj_Proj : Project_Id; + Obj_Path : Path_Name_Type; + Stamp : Time_Stamp_Type); + -- Update information about object file, switches file,... + + ------------------------ + -- Set_Object_Project -- + ------------------------ + + procedure Set_Object_Project + (Obj_Dir : String; + Obj_Proj : Project_Id; + Obj_Path : Path_Name_Type; + Stamp : Time_Stamp_Type) is + begin + Source.Object_Project := Obj_Proj; + Source.Object_Path := Obj_Path; + Source.Object_TS := Stamp; + + if Source.Language.Config.Dependency_Kind /= None then + declare + Dep_Path : constant String := + Normalize_Pathname + (Name => + Get_Name_String (Source.Dep_Name), + Resolve_Links => Opt.Follow_Links_For_Files, + Directory => Obj_Dir); + begin + Source.Dep_Path := Create_Name (Dep_Path); + Source.Dep_TS := Osint.Unknown_Attributes; + end; + end if; + + -- Get the path of the switches file, even if Opt.Check_Switches is + -- not set, as switch -s may be in the Builder switches that have not + -- been scanned yet. + + declare + Switches_Path : constant String := + Normalize_Pathname + (Name => + Get_Name_String (Source.Switches), + Resolve_Links => Opt.Follow_Links_For_Files, + Directory => Obj_Dir); + begin + Source.Switches_Path := Create_Name (Switches_Path); + + if Stamp /= Empty_Time_Stamp then + Source.Switches_TS := File_Stamp (Source.Switches_Path); + end if; + end; + end Set_Object_Project; + + Obj_Proj : Project_Id; + + begin + -- Nothing to do if source record has already been fully initialized + + if Source.Initialized then + return; + end if; + + -- Systematically recompute the time stamp + + Source.Source_TS := File_Stamp (Source.Path.Display_Name); + + -- Parse the source file to check whether we have a subunit + + if Source.Language.Config.Kind = Unit_Based + and then Source.Kind = Impl + and then Is_Subunit (Source) + then + Source.Kind := Sep; + end if; + + if Source.Language.Config.Object_Generated + and then Is_Compilable (Source) + then + -- First, get the correct object file name and dependency file name + -- if the source is in a multi-unit file. + + if Source.Index /= 0 then + Source.Object := + Object_Name + (Source_File_Name => Source.File, + Source_Index => Source.Index, + Index_Separator => + Source.Language.Config.Multi_Unit_Object_Separator, + Object_File_Suffix => + Source.Language.Config.Object_File_Suffix); + + Source.Dep_Name := + Dependency_Name + (Source.Object, Source.Language.Config.Dependency_Kind); + end if; + + -- Find the object file for that source. It could be either in the + -- current project or in an extended project (it might actually not + -- exist yet in the ultimate extending project, but if not found + -- elsewhere that's where we'll expect to find it). + + Obj_Proj := Source.Project; + + while Obj_Proj /= No_Project loop + declare + Dir : constant String := + Get_Name_String + (Obj_Proj.Object_Directory.Display_Name); + + Object_Path : constant String := + Normalize_Pathname + (Name => + Get_Name_String (Source.Object), + Resolve_Links => Opt.Follow_Links_For_Files, + Directory => Dir); + + Obj_Path : constant Path_Name_Type := Create_Name (Object_Path); + Stamp : Time_Stamp_Type := Empty_Time_Stamp; + + begin + -- For specs, we do not check object files if there is a body. + -- This saves a system call. On the other hand, we do need to + -- know the object_path, in case the user has passed the .ads + -- on the command line to compile the spec only. + + if Source.Kind /= Spec + or else Source.Unit = No_Unit_Index + or else Source.Unit.File_Names (Impl) = No_Source + then + Stamp := File_Stamp (Obj_Path); + end if; + + if Stamp /= Empty_Time_Stamp + or else (Obj_Proj.Extended_By = No_Project + and then Source.Object_Project = No_Project) + then + Set_Object_Project (Dir, Obj_Proj, Obj_Path, Stamp); + end if; + + Obj_Proj := Obj_Proj.Extended_By; + end; + end loop; + + elsif Source.Language.Config.Dependency_Kind = Makefile then + declare + Object_Dir : constant String := + Get_Name_String + (Source.Project.Object_Directory.Display_Name); + Dep_Path : constant String := + Normalize_Pathname + (Name => Get_Name_String (Source.Dep_Name), + Resolve_Links => + Opt.Follow_Links_For_Files, + Directory => Object_Dir); + begin + Source.Dep_Path := Create_Name (Dep_Path); + Source.Dep_TS := Osint.Unknown_Attributes; + end; + end if; + + Source.Initialized := True; + end Initialize_Source_Record; + + ---------------------------- + -- Is_External_Assignment -- + ---------------------------- + + function Is_External_Assignment + (Env : Prj.Tree.Environment; + 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 + (Self => Env.External, + Declaration => Argv (Start .. Finish)); + end Is_External_Assignment; + + ---------------- + -- Is_Subunit -- + ---------------- + + function Is_Subunit (Source : Prj.Source_Id) return Boolean is + Src_Ind : Source_File_Index; + + begin + if Source.Kind = Sep then + return True; + + -- A Spec, a file based language source or a body with a spec cannot be + -- a subunit. + + elsif Source.Kind = Spec + or else Source.Unit = No_Unit_Index + or else Other_Part (Source) /= No_Source + then + return False; + end if; + + -- Here, we are assuming that the language is Ada, as it is the only + -- unit based language that we know. + + Src_Ind := + Sinput.P.Load_Project_File + (Get_Name_String (Source.Path.Display_Name)); + + return Sinput.P.Source_File_Is_Subunit (Src_Ind); + end Is_Subunit; + + ----------------------------- + -- Linker_Options_Switches -- + ----------------------------- + + function Linker_Options_Switches + (Project : Project_Id; + Do_Fail : Fail_Proc; + In_Tree : Project_Tree_Ref) return String_List + is + procedure Recursive_Add + (Proj : Project_Id; + In_Tree : Project_Tree_Ref; + Dummy : in out Boolean); + -- The recursive routine used to add linker options + + ------------------- + -- Recursive_Add -- + ------------------- + + procedure Recursive_Add + (Proj : Project_Id; + In_Tree : Project_Tree_Ref; + 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, + Shared => In_Tree.Shared); + + Options := + Prj.Util.Value_Of + (Name => Name_Ada, + Index => 0, + Attribute_Or_Array_Name => Name_Linker_Options, + In_Package => Linker_Package, + Shared => In_Tree.Shared); + + -- 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, In_Tree, 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.Shared.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. + + Ensure_Absolute_Path + (Switch => + Linker_Options_Buffer (Last_Linker_Option), + Parent => Dir_Path, + Do_Fail => Do_Fail, + For_Gnatbind => False); + end if; + + Options := In_Tree.Shared.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 + + package Names is new Table.Table + (Table_Component_Type => Main_Info, + 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 + + Count_Of_Mains_With_No_Tree : Natural := 0; + -- Number of main units for which we do not know the project tree + + -------------- + -- Add_Main -- + -------------- + + procedure Add_Main + (Name : String; + Index : Int := 0; + Location : Source_Ptr := No_Location; + Project : Project_Id := No_Project; + Tree : Project_Tree_Ref := null) + is + begin + if Current_Verbosity = High then + Debug_Output ("Add_Main """ & Name & """ " & Index'Img + & " with_tree? " + & Boolean'Image (Tree /= null)); + end if; + + Name_Len := 0; + Add_Str_To_Name_Buffer (Name); + Canonical_Case_File_Name (Name_Buffer (1 .. Name_Len)); + + Names.Increment_Last; + Names.Table (Names.Last) := + (Name_Find, Index, Location, No_Source, Project, Tree); + + if Tree /= null then + Builder_Data (Tree).Number_Of_Mains := + Builder_Data (Tree).Number_Of_Mains + 1; + + else + Mains.Count_Of_Mains_With_No_Tree := + Mains.Count_Of_Mains_With_No_Tree + 1; + end if; + end Add_Main; + + -------------------- + -- Complete_Mains -- + -------------------- + + procedure Complete_Mains + (Flags : Processing_Flags; + Root_Project : Project_Id; + Project_Tree : Project_Tree_Ref) + is + procedure Do_Complete (Project : Project_Id; Tree : Project_Tree_Ref); + -- Check the mains for this specific project + + procedure Complete_All is new For_Project_And_Aggregated + (Do_Complete); + + procedure Add_Multi_Unit_Sources + (Tree : Project_Tree_Ref; + Source : Prj.Source_Id); + -- Add all units from the same file as the multi-unit Source + + function Find_File_Add_Extension + (Tree : Project_Tree_Ref; + Base_Main : String) return Prj.Source_Id; + -- Search for Main in the project, adding body or spec extensions + + ---------------------------- + -- Add_Multi_Unit_Sources -- + ---------------------------- + + procedure Add_Multi_Unit_Sources + (Tree : Project_Tree_Ref; + Source : Prj.Source_Id) + is + Iter : Source_Iterator; + Src : Prj.Source_Id; + + begin + Debug_Output + ("found multi-unit source file in project", Source.Project.Name); + + Iter := For_Each_Source + (In_Tree => Tree, Project => Source.Project); + + while Element (Iter) /= No_Source loop + Src := Element (Iter); + + if Src.File = Source.File + and then Src.Index /= Source.Index + then + if Src.File = Source.File then + Debug_Output + ("add main in project, index=" & Src.Index'Img); + end if; + + Names.Increment_Last; + Names.Table (Names.Last) := + (File => Src.File, + Index => Src.Index, + Location => No_Location, + Source => Src, + Project => Src.Project, + Tree => Tree); + + Builder_Data (Tree).Number_Of_Mains := + Builder_Data (Tree).Number_Of_Mains + 1; + end if; + + Next (Iter); + end loop; + end Add_Multi_Unit_Sources; + + ----------------------------- + -- Find_File_Add_Extension -- + ----------------------------- + + function Find_File_Add_Extension + (Tree : Project_Tree_Ref; + Base_Main : String) return Prj.Source_Id + is + Spec_Source : Prj.Source_Id := No_Source; + Source : Prj.Source_Id; + Iter : Source_Iterator; + Suffix : File_Name_Type; + + begin + Source := No_Source; + Iter := For_Each_Source (Tree); -- In all projects + loop + Source := Prj.Element (Iter); + exit when Source = No_Source; + + if Source.Kind = Impl then + Get_Name_String (Source.File); + + if Name_Len > Base_Main'Length + and then Name_Buffer (1 .. Base_Main'Length) = Base_Main + then + Suffix := + Source.Language.Config.Naming_Data.Body_Suffix; + + if Suffix /= No_File then + declare + Suffix_Str : String := Get_Name_String (Suffix); + begin + Canonical_Case_File_Name (Suffix_Str); + exit when + Name_Buffer (Base_Main'Length + 1 .. Name_Len) = + Suffix_Str; + end; + end if; + end if; + + elsif Source.Kind = Spec then + -- A spec needs to be taken into account unless there is + -- also a body. So we delay the decision for them. + + Get_Name_String (Source.File); + + if Name_Len > Base_Main'Length + and then Name_Buffer (1 .. Base_Main'Length) = Base_Main + then + Suffix := Source.Language.Config.Naming_Data.Spec_Suffix; + + if Suffix /= No_File then + declare + Suffix_Str : String := Get_Name_String (Suffix); + + begin + Canonical_Case_File_Name (Suffix_Str); + + if Name_Buffer (Base_Main'Length + 1 .. Name_Len) = + Suffix_Str + then + Spec_Source := Source; + end if; + end; + end if; + end if; + end if; + + Next (Iter); + end loop; + + if Source = No_Source then + Source := Spec_Source; + end if; + + return Source; + end Find_File_Add_Extension; + + ----------------- + -- Do_Complete -- + ----------------- + + procedure Do_Complete + (Project : Project_Id; Tree : Project_Tree_Ref) + is + J : Integer; + + begin + if Mains.Number_Of_Mains (Tree) > 0 + or else Mains.Count_Of_Mains_With_No_Tree > 0 + then + -- Traverse in reverse order, since in the case of multi-unit + -- files we will be adding extra files at the end, and there's + -- no need to process them in turn. + + J := Names.Last; + loop + declare + File : Main_Info := Names.Table (J); + Main_Id : File_Name_Type := File.File; + Main : constant String := + Get_Name_String (Main_Id); + Base : constant String := Base_Name (Main); + Source : Prj.Source_Id := No_Source; + Is_Absolute : Boolean := False; + + begin + if Base /= Main then + Is_Absolute := True; + + if Is_Absolute_Path (Main) then + Main_Id := Create_Name (Base); + + -- Not an absolute path + + else + -- Always resolve links here, so that users can be + -- specify any name on the command line. If the + -- project itself uses links, the user will be + -- using -eL anyway, and thus files are also stored + -- with resolved names. + + declare + Absolute : constant String := + Normalize_Pathname + (Name => Main, + Directory => "", + Resolve_Links => True, + Case_Sensitive => False); + begin + File.File := Create_Name (Absolute); + Main_Id := Create_Name (Base); + end; + end if; + end if; + + -- If no project or tree was specified for the main, it + -- came from the command line. + -- Note that the assignments below will not modify inside + -- the table itself. + + if File.Project = null then + File.Project := Project; + end if; + + if File.Tree = null then + File.Tree := Tree; + end if; + + if File.Source = null then + if Current_Verbosity = High then + Debug_Output + ("search for main """ & Main + & '"' & File.Index'Img & " in " + & Get_Name_String (Debug_Name (File.Tree)) + & ", project", Project.Name); + end if; + + -- First, look for the main as specified. We need to + -- search for the base name though, and if needed + -- check later that we found the correct file. + + Source := Find_Source + (In_Tree => File.Tree, + Project => File.Project, + Base_Name => Main_Id, + Index => File.Index, + In_Imported_Only => True); + + if Source = No_Source then + Source := Find_File_Add_Extension + (Tree, Get_Name_String (Main_Id)); + end if; + + if Is_Absolute + and then Source /= No_Source + and then + File_Name_Type (Source.Path.Name) /= File.File + then + Debug_Output + ("Found a non-matching file", + Name_Id (Source.Path.Display_Name)); + Source := No_Source; + end if; + + if Source /= No_Source then + if not Is_Allowed_Language + (Source.Language.Name) + then + -- Remove any main that is not in the list of + -- restricted languages. + + Names.Table (J .. Names.Last - 1) := + Names.Table (J + 1 .. Names.Last); + Names.Set_Last (Names.Last - 1); + + else + -- If we have found a multi-unit source file but + -- did not specify an index initially, we'll + -- need to compile all the units from the same + -- source file. + + if Source.Index /= 0 and then File.Index = 0 then + Add_Multi_Unit_Sources (File.Tree, Source); + end if; + + -- Now update the original Main, otherwise it + -- will be reported as not found. + + Debug_Output + ("found main in project", Source.Project.Name); + Names.Table (J).File := Source.File; + Names.Table (J).Project := Source.Project; + + if Names.Table (J).Tree = null then + Names.Table (J).Tree := File.Tree; + + Builder_Data (File.Tree).Number_Of_Mains := + Builder_Data (File.Tree).Number_Of_Mains + + 1; + Mains.Count_Of_Mains_With_No_Tree := + Mains.Count_Of_Mains_With_No_Tree - 1; + end if; + + Names.Table (J).Source := Source; + Names.Table (J).Index := Source.Index; + end if; + + elsif File.Location /= No_Location then + + -- If the main is declared in package Builder of + -- the main project, report an error. If the main + -- is on the command line, it may be a main from + -- another project, so do nothing: if the main does + -- not exist in another project, an error will be + -- reported later. + + Error_Msg_File_1 := Main_Id; + Error_Msg_Name_1 := Root_Project.Name; + Prj.Err.Error_Msg + (Flags, "{ is not a source of project %%", + File.Location, Project); + end if; + end if; + end; + + J := J - 1; + exit when J < Names.First; + end loop; + end if; + + if Total_Errors_Detected > 0 then + Fail_Program (Tree, "problems with main sources"); + end if; + end Do_Complete; + + -- Start of processing for Complete_Mains + + begin + Complete_All (Root_Project, Project_Tree); + + if Mains.Count_Of_Mains_With_No_Tree > 0 then + for J in Names.First .. Names.Last loop + if Names.Table (J).Source = No_Source then + Fail_Program + (Project_Tree, '"' & Get_Name_String (Names.Table (J).File) + & """ is not a source of any project"); + end if; + end loop; + end if; + end Complete_Mains; + + ------------ + -- Delete -- + ------------ + + procedure Delete is + begin + Names.Set_Last (0); + Mains.Reset; + end Delete; + + ----------------------- + -- Fill_From_Project -- + ----------------------- + + procedure Fill_From_Project + (Root_Project : Project_Id; + Project_Tree : Project_Tree_Ref) + is + procedure Add_Mains_From_Project + (Project : Project_Id; + Tree : Project_Tree_Ref); + -- Add the main units from this project into Mains. + -- This takes into account the aggregated projects + + ---------------------------- + -- Add_Mains_From_Project -- + ---------------------------- + + procedure Add_Mains_From_Project + (Project : Project_Id; + Tree : Project_Tree_Ref) + is + List : String_List_Id; + Element : String_Element; + + begin + if Number_Of_Mains (Tree) = 0 + and then Mains.Count_Of_Mains_With_No_Tree = 0 + then + Debug_Output ("Add_Mains_From_Project", Project.Name); + List := Project.Mains; + + if List /= Prj.Nil_String then + + -- The attribute Main is not an empty list. Get the mains in + -- the list. + + while List /= Prj.Nil_String loop + Element := Tree.Shared.String_Elements.Table (List); + Debug_Output ("Add_Main", Element.Value); + + if Project.Library then + Fail_Program + (Tree, + "cannot specify a main program " & + "for a library project file"); + end if; + + Add_Main (Name => Get_Name_String (Element.Value), + Index => Element.Index, + Location => Element.Location, + Project => Project, + Tree => Tree); + List := Element.Next; + end loop; + end if; + end if; + + if Total_Errors_Detected > 0 then + Fail_Program (Tree, "problems with main sources"); + end if; + end Add_Mains_From_Project; + + procedure Fill_All is new For_Project_And_Aggregated + (Add_Mains_From_Project); + + -- Start of processing for Fill_From_Project + + begin + Fill_All (Root_Project, Project_Tree); + end Fill_From_Project; + + --------------- + -- Next_Main -- + --------------- + + function Next_Main return String is + Info : constant Main_Info := Next_Main; + begin + if Info = No_Main_Info then + return ""; + else + return Get_Name_String (Info.File); + end if; + end Next_Main; + + function Next_Main return Main_Info is + begin + if Current >= Names.Last then + return No_Main_Info; + else + Current := Current + 1; + + -- If not using projects, and in the gnatmake case, the main file + -- may have not have the extension. Try ".adb" first then ".ads" + + if Names.Table (Current).Project = No_Project then + declare + Orig_Main : constant File_Name_Type := + Names.Table (Current).File; + Current_Main : File_Name_Type; + + begin + if Strip_Suffix (Orig_Main) = Orig_Main then + Get_Name_String (Orig_Main); + Add_Str_To_Name_Buffer (".adb"); + Current_Main := Name_Find; + + if Full_Source_Name (Current_Main) = No_File then + Get_Name_String (Orig_Main); + Add_Str_To_Name_Buffer (".ads"); + Current_Main := Name_Find; + + if Full_Source_Name (Current_Main) /= No_File then + Names.Table (Current).File := Current_Main; + end if; + + else + Names.Table (Current).File := Current_Main; + end if; + end if; + end; + end if; + + return Names.Table (Current); + end if; + end Next_Main; + + --------------------- + -- Number_Of_Mains -- + --------------------- + + function Number_Of_Mains (Tree : Project_Tree_Ref) return Natural is + begin + if Tree = null then + return Names.Last; + else + return Builder_Data (Tree).Number_Of_Mains; + end if; + end Number_Of_Mains; + + ----------- + -- Reset -- + ----------- + + procedure Reset is + begin + Current := 0; + end Reset; + + -------------------------- + -- Set_Multi_Unit_Index -- + -------------------------- + + procedure Set_Multi_Unit_Index + (Project_Tree : Project_Tree_Ref := null; + Index : Int := 0) + is + begin + if Index /= 0 then + if Names.Last = 0 then + Fail_Program + (Project_Tree, + "cannot specify a multi-unit index but no main " & + "on the command line"); + + elsif Names.Last > 1 then + Fail_Program + (Project_Tree, + "cannot specify several mains with a multi-unit index"); + + else + Names.Table (Names.Last).Index := Index; + end if; + end if; + end Set_Multi_Unit_Index; + + end Mains; + + ----------------------- + -- 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; + + ------------------- + -- 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; + + ----------- + -- Queue -- + ----------- + + package body Queue is + + type Q_Record is record + Info : Source_Info; + Processed : Boolean; + end record; + + package Q is new Table.Table + (Table_Component_Type => Q_Record, + Table_Index_Type => Natural, + Table_Low_Bound => 1, + Table_Initial => 1000, + Table_Increment => 100, + Table_Name => "Makeutl.Queue.Q"); + -- This is the actual Queue + + package Busy_Obj_Dirs is new GNAT.HTable.Simple_HTable + (Header_Num => Prj.Header_Num, + Element => Boolean, + No_Element => False, + Key => Path_Name_Type, + Hash => Hash, + Equal => "="); + + 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. + + 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. + -- These are the units that have already been processed, when using the + -- gnatmake format. When using the gprbuild format, we can directly + -- store in the source_id whether the file has already been processed. + + procedure Mark (Source_File : File_Name_Type; Index : Int := 0); + -- Mark a unit, identified by its source file and, when Index is not 0, + -- the index of the unit in the source file. Marking is used to signal + -- that the unit has already been inserted in the Q. + + function Is_Marked + (Source_File : File_Name_Type; + Index : Int := 0) return Boolean; + -- Returns True if the unit was previously marked + + Q_Processed : Natural := 0; + Q_Initialized : Boolean := False; + + Q_First : Natural := 1; + -- Points to the first valid element in the queue + + One_Queue_Per_Obj_Dir : Boolean := False; + -- See parameter to Initialize + + function Available_Obj_Dir (S : Source_Info) return Boolean; + -- Whether the object directory for S is available for a build + + procedure Debug_Display (S : Source_Info); + -- A debug display for S + + function Was_Processed (S : Source_Info) return Boolean; + -- Whether S has already been processed. This marks the source as + -- processed, if it hasn't already been processed. + + function Insert_No_Roots (Source : Source_Info) return Boolean; + -- Insert Source, but do not look for its roots (see doc for Insert) + + ------------------- + -- Was_Processed -- + ------------------- + + function Was_Processed (S : Source_Info) return Boolean is + begin + case S.Format is + when Format_Gprbuild => + if S.Id.In_The_Queue then + return True; + end if; + + S.Id.In_The_Queue := True; + + when Format_Gnatmake => + if Is_Marked (S.File, S.Index) then + return True; + end if; + + Mark (S.File, Index => S.Index); + end case; + + return False; + end Was_Processed; + + ----------------------- + -- Available_Obj_Dir -- + ----------------------- + + function Available_Obj_Dir (S : Source_Info) return Boolean is + begin + case S.Format is + when Format_Gprbuild => + return not Busy_Obj_Dirs.Get + (S.Id.Project.Object_Directory.Name); + + when Format_Gnatmake => + return S.Project = No_Project + or else + not Busy_Obj_Dirs.Get (S.Project.Object_Directory.Name); + end case; + end Available_Obj_Dir; + + ------------------- + -- Debug_Display -- + ------------------- + + procedure Debug_Display (S : Source_Info) is + begin + case S.Format is + when Format_Gprbuild => + Write_Name (S.Id.File); + + if S.Id.Index /= 0 then + Write_Str (", "); + Write_Int (S.Id.Index); + end if; + + when Format_Gnatmake => + Write_Name (S.File); + + if S.Index /= 0 then + Write_Str (", "); + Write_Int (S.Index); + end if; + end case; + end Debug_Display; + + ---------- + -- Hash -- + ---------- + + function Hash (Key : Mark_Key) return Mark_Num is + begin + return Union_Id (Key.File) mod Max_Mask_Num; + end Hash; + + --------------- + -- 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; + + ---------- + -- 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; + + ------------- + -- Extract -- + ------------- + + procedure Extract + (Found : out Boolean; + Source : out Source_Info) + is + begin + Found := False; + + if One_Queue_Per_Obj_Dir then + for J in Q_First .. Q.Last loop + if not Q.Table (J).Processed + and then Available_Obj_Dir (Q.Table (J).Info) + then + Found := True; + Source := Q.Table (J).Info; + Q.Table (J).Processed := True; + + if J = Q_First then + while Q_First <= Q.Last + and then Q.Table (Q_First).Processed + loop + Q_First := Q_First + 1; + end loop; + end if; + + exit; + end if; + end loop; + + elsif Q_First <= Q.Last then + Source := Q.Table (Q_First).Info; + Q.Table (Q_First).Processed := True; + Q_First := Q_First + 1; + Found := True; + end if; + + if Found then + Q_Processed := Q_Processed + 1; + end if; + + if Found and then Debug.Debug_Flag_Q then + Write_Str (" Q := Q - [ "); + Debug_Display (Source); + Write_Str (" ]"); + Write_Eol; + + Write_Str (" Q_First ="); + Write_Int (Int (Q_First)); + Write_Eol; + + Write_Str (" Q.Last ="); + Write_Int (Int (Q.Last)); + Write_Eol; + end if; + end Extract; + + --------------- + -- Processed -- + --------------- + + function Processed return Natural is + begin + return Q_Processed; + end Processed; + + ---------------- + -- Initialize -- + ---------------- + + procedure Initialize + (Queue_Per_Obj_Dir : Boolean; + Force : Boolean := False) + is + begin + if Force or else not Q_Initialized then + Q_Initialized := True; + + for J in 1 .. Q.Last loop + case Q.Table (J).Info.Format is + when Format_Gprbuild => + Q.Table (J).Info.Id.In_The_Queue := False; + when Format_Gnatmake => + null; + end case; + end loop; + + Q.Init; + Q_Processed := 0; + Q_First := 1; + One_Queue_Per_Obj_Dir := Queue_Per_Obj_Dir; + end if; + end Initialize; + + --------------------- + -- Insert_No_Roots -- + --------------------- + + function Insert_No_Roots (Source : Source_Info) return Boolean is + begin + pragma Assert + (Source.Format = Format_Gnatmake or else Source.Id /= No_Source); + + -- Only insert in the Q if it is not already done, to avoid + -- simultaneous compilations if -jnnn is used. + + if Was_Processed (Source) then + return False; + end if; + + if Current_Verbosity = High then + Write_Str ("Adding """); + Debug_Display (Source); + Write_Line (""" to the queue"); + end if; + + Q.Append (New_Val => (Info => Source, Processed => False)); + + if Debug.Debug_Flag_Q then + Write_Str (" Q := Q + [ "); + Debug_Display (Source); + Write_Str (" ] "); + Write_Eol; + + Write_Str (" Q_First ="); + Write_Int (Int (Q_First)); + Write_Eol; + + Write_Str (" Q.Last ="); + Write_Int (Int (Q.Last)); + Write_Eol; + end if; + + return True; + end Insert_No_Roots; + + ------------ + -- Insert -- + ------------ + + function Insert + (Source : Source_Info; + With_Roots : Boolean := False) return Boolean + is + Root_Arr : Array_Element_Id; + Roots : Variable_Value; + List : String_List_Id; + Elem : String_Element; + Unit_Name : Name_Id; + Pat_Root : Boolean; + Root_Pattern : Regexp; + Root_Found : Boolean; + Roots_Found : Boolean; + Root_Source : Prj.Source_Id; + Iter : Source_Iterator; + + Dummy : Boolean; + pragma Unreferenced (Dummy); + + begin + if not Insert_No_Roots (Source) then + + -- Was already in the queue + + return False; + end if; + + if With_Roots and then Source.Format = Format_Gprbuild then + Debug_Output ("looking for roots of", Name_Id (Source.Id.File)); + + Root_Arr := + Prj.Util.Value_Of + (Name => Name_Roots, + In_Arrays => Source.Id.Project.Decl.Arrays, + Shared => Source.Tree.Shared); + + Roots := + Prj.Util.Value_Of + (Index => Name_Id (Source.Id.File), + Src_Index => 0, + In_Array => Root_Arr, + Shared => Source.Tree.Shared); + + -- If there is no roots for the specific main, try the language + + if Roots = Nil_Variable_Value then + Roots := + Prj.Util.Value_Of + (Index => Source.Id.Language.Name, + Src_Index => 0, + In_Array => Root_Arr, + Shared => Source.Tree.Shared, + Force_Lower_Case_Index => True); + end if; + + -- Then try "*" + + if Roots = Nil_Variable_Value then + Name_Len := 1; + Name_Buffer (1) := '*'; + + Roots := + Prj.Util.Value_Of + (Index => Name_Find, + Src_Index => 0, + In_Array => Root_Arr, + Shared => Source.Tree.Shared, + Force_Lower_Case_Index => True); + end if; + + if Roots = Nil_Variable_Value then + Debug_Output (" -> no roots declared"); + + else + List := Roots.Values; + + Pattern_Loop : + while List /= Nil_String loop + Elem := Source.Tree.Shared.String_Elements.Table (List); + Get_Name_String (Elem.Value); + To_Lower (Name_Buffer (1 .. Name_Len)); + Unit_Name := Name_Find; + + -- Check if it is a unit name or a pattern + + Pat_Root := False; + + for J in 1 .. Name_Len loop + if Name_Buffer (J) not in 'a' .. 'z' and then + Name_Buffer (J) not in '0' .. '9' and then + Name_Buffer (J) /= '_' and then + Name_Buffer (J) /= '.' + then + Pat_Root := True; + exit; + end if; + end loop; + + if Pat_Root then + begin + Root_Pattern := + Compile + (Pattern => Name_Buffer (1 .. Name_Len), + Glob => True); + + exception + when Error_In_Regexp => + Err_Vars.Error_Msg_Name_1 := Unit_Name; + Errutil.Error_Msg + ("invalid pattern %", Roots.Location); + exit Pattern_Loop; + end; + end if; + + Roots_Found := False; + Iter := For_Each_Source (Source.Tree); + + Source_Loop : + loop + Root_Source := Prj.Element (Iter); + exit Source_Loop when Root_Source = No_Source; + + Root_Found := False; + if Pat_Root then + Root_Found := Root_Source.Unit /= No_Unit_Index + and then Match + (Get_Name_String (Root_Source.Unit.Name), + Root_Pattern); + + else + Root_Found := + Root_Source.Unit /= No_Unit_Index + and then Root_Source.Unit.Name = Unit_Name; + end if; + + if Root_Found then + case Root_Source.Kind is + when Impl => + null; + + when Spec => + Root_Found := Other_Part (Root_Source) = No_Source; + + when Sep => + Root_Found := False; + end case; + end if; + + if Root_Found then + Roots_Found := True; + Debug_Output + (" -> ", Name_Id (Root_Source.Display_File)); + Dummy := Queue.Insert_No_Roots + (Source => (Format => Format_Gprbuild, + Tree => Source.Tree, + Id => Root_Source)); + + Initialize_Source_Record (Root_Source); + + if Other_Part (Root_Source) /= No_Source then + Initialize_Source_Record (Other_Part (Root_Source)); + end if; + + -- Save the root for the binder + + Source.Id.Roots := new Source_Roots' + (Root => Root_Source, + Next => Source.Id.Roots); + + exit Source_Loop when not Pat_Root; + end if; + + Next (Iter); + end loop Source_Loop; + + if not Roots_Found then + if Pat_Root then + if not Quiet_Output then + Error_Msg_Name_1 := Unit_Name; + Errutil.Error_Msg + ("?no unit matches pattern %", Roots.Location); + end if; + + else + Errutil.Error_Msg + ("Unit " & Get_Name_String (Unit_Name) + & " does not exist", Roots.Location); + end if; + end if; + + List := Elem.Next; + end loop Pattern_Loop; + end if; + end if; + + return True; + end Insert; + + ------------ + -- Insert -- + ------------ + + procedure Insert + (Source : Source_Info; + With_Roots : Boolean := False) + is + Discard : Boolean; + pragma Unreferenced (Discard); + begin + Discard := Insert (Source, With_Roots); + end Insert; + + -------------- + -- Is_Empty -- + -------------- + + function Is_Empty return Boolean is + begin + return Q_Processed >= Q.Last; + end Is_Empty; + + ------------------------ + -- Is_Virtually_Empty -- + ------------------------ + + function Is_Virtually_Empty return Boolean is + begin + if One_Queue_Per_Obj_Dir then + for J in Q_First .. Q.Last loop + if not Q.Table (J).Processed + and then Available_Obj_Dir (Q.Table (J).Info) + then + return False; + end if; + end loop; + + return True; + + else + return Is_Empty; + end if; + end Is_Virtually_Empty; + + ---------------------- + -- Set_Obj_Dir_Busy -- + ---------------------- + + procedure Set_Obj_Dir_Busy (Obj_Dir : Path_Name_Type) is + begin + if One_Queue_Per_Obj_Dir then + Busy_Obj_Dirs.Set (Obj_Dir, True); + end if; + end Set_Obj_Dir_Busy; + + ---------------------- + -- Set_Obj_Dir_Free -- + ---------------------- + + procedure Set_Obj_Dir_Free (Obj_Dir : Path_Name_Type) is + begin + if One_Queue_Per_Obj_Dir then + Busy_Obj_Dirs.Set (Obj_Dir, False); + end if; + end Set_Obj_Dir_Free; + + ---------- + -- Size -- + ---------- + + function Size return Natural is + begin + return Q.Last; + end Size; + + ------------- + -- Element -- + ------------- + + function Element (Rank : Positive) return File_Name_Type is + begin + if Rank <= Q.Last then + case Q.Table (Rank).Info.Format is + when Format_Gprbuild => + return Q.Table (Rank).Info.Id.File; + when Format_Gnatmake => + return Q.Table (Rank).Info.File; + end case; + else + return No_File; + end if; + end Element; + + ------------------ + -- Remove_Marks -- + ------------------ + + procedure Remove_Marks is + begin + Marks.Reset; + end Remove_Marks; + + ---------------------------- + -- Insert_Project_Sources -- + ---------------------------- + + procedure Insert_Project_Sources + (Project : Project_Id; + Project_Tree : Project_Tree_Ref; + All_Projects : Boolean; + Unique_Compile : Boolean) + is + procedure Do_Insert (Project : Project_Id; Tree : Project_Tree_Ref); + + --------------- + -- Do_Insert -- + --------------- + + procedure Do_Insert (Project : Project_Id; Tree : Project_Tree_Ref) is + Unit_Based : constant Boolean := + Unique_Compile + or else not Builder_Data (Tree).Closure_Needed; + -- When Unit_Based is True, put in the queue all compilable + -- sources including the unit based (Ada) one. When Unit_Based is + -- False, put the Ada sources only when they are in a library + -- project. + + Iter : Source_Iterator; + Source : Prj.Source_Id; + + begin + -- Nothing to do when "-u" was specified and some files were + -- specified on the command line + + if Unique_Compile + and then Mains.Number_Of_Mains (Tree) > 0 + then + return; + end if; + + Iter := For_Each_Source (Tree); + loop + Source := Prj.Element (Iter); + exit when Source = No_Source; + + if Is_Allowed_Language (Source.Language.Name) + and then Is_Compilable (Source) + and then + (All_Projects + or else Is_Extending (Project, Source.Project)) + and then not Source.Locally_Removed + and then Source.Replaced_By = No_Source + and then + (not Source.Project.Externally_Built + or else + (Is_Extending (Project, Source.Project) + and then not Project.Externally_Built)) + and then Source.Kind /= Sep + and then Source.Path /= No_Path_Information + then + if Source.Kind = Impl + or else (Source.Unit /= No_Unit_Index + and then Source.Kind = Spec + and then (Other_Part (Source) = No_Source + or else + Other_Part (Source).Locally_Removed)) + then + if (Unit_Based + or else Source.Unit = No_Unit_Index + or else Source.Project.Library) + and then not Is_Subunit (Source) + then + Queue.Insert + (Source => (Format => Format_Gprbuild, + Tree => Tree, + Id => Source)); + end if; + end if; + end if; + + Next (Iter); + end loop; + end Do_Insert; + + procedure Insert_All is new For_Project_And_Aggregated (Do_Insert); + + begin + Insert_All (Project, Project_Tree); + end Insert_Project_Sources; + + ------------------------------- + -- Insert_Withed_Sources_For -- + ------------------------------- + + procedure Insert_Withed_Sources_For + (The_ALI : ALI.ALI_Id; + Project_Tree : Project_Tree_Ref; + Excluding_Shared_SALs : Boolean := False) + is + Sfile : File_Name_Type; + Afile : File_Name_Type; + Src_Id : Prj.Source_Id; + + begin + -- Insert in the queue the unmarked source files (i.e. those which + -- have never been inserted in the queue and hence never considered). + + for J in ALI.ALIs.Table (The_ALI).First_Unit .. + ALI.ALIs.Table (The_ALI).Last_Unit + loop + for K in ALI.Units.Table (J).First_With .. + ALI.Units.Table (J).Last_With + loop + Sfile := ALI.Withs.Table (K).Sfile; + + -- Skip generics + + if Sfile /= No_File then + Afile := ALI.Withs.Table (K).Afile; + + Src_Id := Source_Files_Htable.Get + (Project_Tree.Source_Files_HT, Sfile); + while Src_Id /= No_Source loop + Initialize_Source_Record (Src_Id); + + if Is_Compilable (Src_Id) + and then Src_Id.Dep_Name = Afile + then + case Src_Id.Kind is + when Spec => + declare + Bdy : constant Prj.Source_Id := + Other_Part (Src_Id); + begin + if Bdy /= No_Source + and then not Bdy.Locally_Removed + then + Src_Id := Other_Part (Src_Id); + end if; + end; + + when Impl => + if Is_Subunit (Src_Id) then + Src_Id := No_Source; + end if; + + when Sep => + Src_Id := No_Source; + end case; + + exit; + end if; + + Src_Id := Src_Id.Next_With_File_Name; + end loop; + + -- If Excluding_Shared_SALs is True, do not insert in the + -- queue the sources of a shared Stand-Alone Library. + + if Src_Id /= No_Source + and then (not Excluding_Shared_SALs + or else Src_Id.Project.Standalone_Library = No + or else Src_Id.Project.Library_Kind = Static) + then + Queue.Insert + (Source => (Format => Format_Gprbuild, + Tree => Project_Tree, + Id => Src_Id)); + end if; + end if; + end loop; + end loop; + end Insert_Withed_Sources_For; + + end Queue; + + ---------- + -- Free -- + ---------- + + procedure Free (Data : in out Builder_Project_Tree_Data) is + procedure Unchecked_Free is new Ada.Unchecked_Deallocation + (Binding_Data_Record, Binding_Data); + + TmpB, Binding : Binding_Data := Data.Binding; + + begin + while Binding /= null loop + TmpB := Binding.Next; + Unchecked_Free (Binding); + Binding := TmpB; + end loop; + end Free; + + ------------------ + -- Builder_Data -- + ------------------ + + function Builder_Data + (Tree : Project_Tree_Ref) return Builder_Data_Access + is + begin + if Tree.Appdata = null then + Tree.Appdata := new Builder_Project_Tree_Data; + end if; + + return Builder_Data_Access (Tree.Appdata); + end Builder_Data; + + -------------------------------- + -- Compute_Compilation_Phases -- + -------------------------------- + + procedure Compute_Compilation_Phases + (Tree : Project_Tree_Ref; + Root_Project : Project_Id; + Option_Unique_Compile : Boolean := False; -- Was "-u" specified ? + Option_Compile_Only : Boolean := False; -- Was "-c" specified ? + Option_Bind_Only : Boolean := False; + Option_Link_Only : Boolean := False) + is + procedure Do_Compute (Project : Project_Id; Tree : Project_Tree_Ref); + + ---------------- + -- Do_Compute -- + ---------------- + + procedure Do_Compute (Project : Project_Id; Tree : Project_Tree_Ref) is + Data : constant Builder_Data_Access := Builder_Data (Tree); + All_Phases : constant Boolean := + not Option_Compile_Only + and then not Option_Bind_Only + and then not Option_Link_Only; + -- Whether the command line asked for all three phases. Depending on + -- the project settings, we might still disable some of the phases. + + Has_Mains : constant Boolean := Data.Number_Of_Mains > 0; + -- Whether there are some main units defined for this project tree + -- (either from one of the projects, or from the command line) + + begin + if Option_Unique_Compile then + + -- If -u or -U is specified on the command line, disregard any -c, + -- -b or -l switch: only perform compilation. + + Data.Closure_Needed := False; + Data.Need_Compilation := True; + Data.Need_Binding := False; + Data.Need_Linking := False; + + else + Data.Closure_Needed := Has_Mains; + Data.Need_Compilation := All_Phases or Option_Compile_Only; + Data.Need_Binding := All_Phases or Option_Bind_Only; + Data.Need_Linking := (All_Phases or Option_Link_Only) + and Has_Mains; + end if; + + if Current_Verbosity = High then + Debug_Output ("compilation phases: " + & " compile=" & Data.Need_Compilation'Img + & " bind=" & Data.Need_Binding'Img + & " link=" & Data.Need_Linking'Img + & " closure=" & Data.Closure_Needed'Img + & " mains=" & Data.Number_Of_Mains'Img, + Project.Name); + end if; + end Do_Compute; + + procedure Compute_All is new For_Project_And_Aggregated (Do_Compute); + + begin + Compute_All (Root_Project, Tree); + end Compute_Compilation_Phases; + + ------------------------------ + -- Compute_Builder_Switches -- + ------------------------------ + + procedure Compute_Builder_Switches + (Project_Tree : Project_Tree_Ref; + Root_Environment : in out Prj.Tree.Environment; + Main_Project : Project_Id; + Only_For_Lang : Name_Id := No_Name) + is + Builder_Package : constant Package_Id := + Value_Of (Name_Builder, Main_Project.Decl.Packages, + Project_Tree.Shared); + + Global_Compilation_Array : Array_Element_Id; + Global_Compilation_Elem : Array_Element; + Global_Compilation_Switches : Variable_Value; + + Default_Switches_Array : Array_Id; + + Builder_Switches_Lang : Name_Id := No_Name; + + List : String_List_Id; + Element : String_Element; + + Index : Name_Id; + Source : Prj.Source_Id; + + Lang : Name_Id := No_Name; -- language index for Switches + Switches_For_Lang : Variable_Value := Nil_Variable_Value; + -- Value of Builder'Default_Switches(lang) + + Name : Name_Id := No_Name; -- main file index for Switches + Switches_For_Main : Variable_Value := Nil_Variable_Value; + -- Switches for a specific main. When there are several mains, Name is + -- set to No_Name, and Switches_For_Main might be left with an actual + -- value (so that we can display a warning that it was ignored). + + Other_Switches : Variable_Value := Nil_Variable_Value; + -- Value of Builder'Switches(others) + + Defaults : Variable_Value := Nil_Variable_Value; + + Switches : Variable_Value := Nil_Variable_Value; + -- The computed builder switches + + Success : Boolean := False; + begin + if Builder_Package /= No_Package then + Mains.Reset; + + -- If there is no main, and there is only one compilable language, + -- use this language as the switches index. + + if Mains.Number_Of_Mains (Project_Tree) = 0 then + if Only_For_Lang = No_Name then + declare + Language : Language_Ptr := Main_Project.Languages; + + begin + while Language /= No_Language_Index loop + if Language.Config.Compiler_Driver /= No_File + and then Language.Config.Compiler_Driver /= Empty_File + then + if Lang /= No_Name then + Lang := No_Name; + exit; + else + Lang := Language.Name; + end if; + end if; + Language := Language.Next; + end loop; + end; + else + Lang := Only_For_Lang; + end if; + + else + for Index in 1 .. Mains.Number_Of_Mains (Project_Tree) loop + Source := Mains.Next_Main.Source; + + if Source /= No_Source then + if Switches_For_Main = Nil_Variable_Value then + Switches_For_Main := Value_Of + (Name => Name_Id (Source.File), + Attribute_Or_Array_Name => Name_Switches, + In_Package => Builder_Package, + Shared => Project_Tree.Shared, + Force_Lower_Case_Index => False, + Allow_Wildcards => True); + + -- If not found, try without extension. + -- That's because gnatmake accepts truncated file names + -- in Builder'Switches + + if Switches_For_Main = Nil_Variable_Value + and then Source.Unit /= null + then + Switches_For_Main := Value_Of + (Name => Source.Unit.Name, + Attribute_Or_Array_Name => Name_Switches, + In_Package => Builder_Package, + Shared => Project_Tree.Shared, + Force_Lower_Case_Index => False, + Allow_Wildcards => True); + end if; + end if; + + if Index = 1 then + Lang := Source.Language.Name; + Name := Name_Id (Source.File); + else + Name := No_Name; -- Can't use main specific switches + + if Lang /= Source.Language.Name then + Lang := No_Name; + end if; + end if; + end if; + end loop; + end if; + + Global_Compilation_Array := Value_Of + (Name => Name_Global_Compilation_Switches, + In_Arrays => Project_Tree.Shared.Packages.Table + (Builder_Package).Decl.Arrays, + Shared => Project_Tree.Shared); + + Default_Switches_Array := + Project_Tree.Shared.Packages.Table (Builder_Package).Decl.Arrays; + + while Default_Switches_Array /= No_Array + and then + Project_Tree.Shared.Arrays.Table (Default_Switches_Array).Name /= + Name_Default_Switches + loop + Default_Switches_Array := + Project_Tree.Shared.Arrays.Table (Default_Switches_Array).Next; + end loop; + + if Global_Compilation_Array /= No_Array_Element + and then Default_Switches_Array /= No_Array + then + Prj.Err.Error_Msg + (Root_Environment.Flags, + "Default_Switches forbidden in presence of " & + "Global_Compilation_Switches. Use Switches instead.", + Project_Tree.Shared.Arrays.Table + (Default_Switches_Array).Location); + Fail_Program + (Project_Tree, + "*** illegal combination of Builder attributes"); + end if; + + if Lang /= No_Name then + Switches_For_Lang := Prj.Util.Value_Of + (Name => Lang, + Index => 0, + Attribute_Or_Array_Name => Name_Switches, + In_Package => Builder_Package, + Shared => Project_Tree.Shared, + Force_Lower_Case_Index => True); + + Defaults := Prj.Util.Value_Of + (Name => Lang, + Index => 0, + Attribute_Or_Array_Name => Name_Default_Switches, + In_Package => Builder_Package, + Shared => Project_Tree.Shared, + Force_Lower_Case_Index => True); + end if; + + Other_Switches := Prj.Util.Value_Of + (Name => All_Other_Names, + Index => 0, + Attribute_Or_Array_Name => Name_Switches, + In_Package => Builder_Package, + Shared => Project_Tree.Shared); + + if not Quiet_Output + and then Mains.Number_Of_Mains (Project_Tree) > 1 + and then Switches_For_Main /= Nil_Variable_Value + then + -- More than one main, but we had main-specific switches that + -- are ignored. + + if Switches_For_Lang /= Nil_Variable_Value then + Write_Line + ("Warning: using Builder'Switches(""" + & Get_Name_String (Lang) + & """), as there are several mains"); + + elsif Other_Switches /= Nil_Variable_Value then + Write_Line + ("Warning: using Builder'Switches(others), " + & "as there are several mains"); + + elsif Defaults /= Nil_Variable_Value then + Write_Line + ("Warning: using Builder'Default_Switches(""" + & Get_Name_String (Lang) + & """), as there are several mains"); + else + Write_Line + ("Warning: using no switches from package " + & "Builder, as there are several mains"); + end if; + end if; + + Builder_Switches_Lang := Lang; + + if Name /= No_Name then + -- Get the switches for the single main + Switches := Switches_For_Main; + end if; + + if Switches = Nil_Variable_Value or else Switches.Default then + -- Get the switches for the common language of the mains + Switches := Switches_For_Lang; + end if; + + if Switches = Nil_Variable_Value or else Switches.Default then + Switches := Other_Switches; + end if; + + -- For backward compatibility with gnatmake, if no Switches + -- are declared, check for Default_Switches (<language>). + + if Switches = Nil_Variable_Value or else Switches.Default then + Switches := Defaults; + end if; + + -- If switches have been found, scan them + + if Switches /= Nil_Variable_Value and then not Switches.Default then + List := Switches.Values; + + while List /= Nil_String loop + Element := Project_Tree.Shared.String_Elements.Table (List); + Get_Name_String (Element.Value); + + if Name_Len /= 0 then + declare + -- Add_Switch might itself be using the name_buffer, so + -- we make a temporary here. + Switch : constant String := Name_Buffer (1 .. Name_Len); + begin + Success := Add_Switch + (Switch => Switch, + For_Lang => Builder_Switches_Lang, + For_Builder => True, + Has_Global_Compilation_Switches => + Global_Compilation_Array /= No_Array_Element); + end; + + if not Success then + for J in reverse 1 .. Name_Len loop + Name_Buffer (J + J) := Name_Buffer (J); + Name_Buffer (J + J - 1) := '''; + end loop; + + Name_Len := Name_Len + Name_Len; + + Prj.Err.Error_Msg + (Root_Environment.Flags, + '"' & Name_Buffer (1 .. Name_Len) & + """ is not a builder switch. Consider moving " & + "it to Global_Compilation_Switches.", + Element.Location); + Fail_Program + (Project_Tree, + "*** illegal switch """ & + Get_Name_String (Element.Value) & '"'); + end if; + end if; + + List := Element.Next; + end loop; + end if; + + -- Reset the Builder Switches language + + Builder_Switches_Lang := No_Name; + + -- Take into account attributes Global_Compilation_Switches + + while Global_Compilation_Array /= No_Array_Element loop + Global_Compilation_Elem := + Project_Tree.Shared.Array_Elements.Table + (Global_Compilation_Array); + + Get_Name_String (Global_Compilation_Elem.Index); + To_Lower (Name_Buffer (1 .. Name_Len)); + Index := Name_Find; + + if Only_For_Lang = No_Name or else Index = Only_For_Lang then + Global_Compilation_Switches := Global_Compilation_Elem.Value; + + if Global_Compilation_Switches /= Nil_Variable_Value + and then not Global_Compilation_Switches.Default + then + -- We have found an attribute + -- Global_Compilation_Switches for a language: put the + -- switches in the appropriate table. + + List := Global_Compilation_Switches.Values; + while List /= Nil_String loop + Element := + Project_Tree.Shared.String_Elements.Table (List); + + if Element.Value /= No_Name then + Success := Add_Switch + (Switch => Get_Name_String (Element.Value), + For_Lang => Index, + For_Builder => False, + Has_Global_Compilation_Switches => + Global_Compilation_Array /= No_Array_Element); + end if; + + List := Element.Next; + end loop; + end if; + end if; + + Global_Compilation_Array := Global_Compilation_Elem.Next; + end loop; + end if; + end Compute_Builder_Switches; + + --------------------- + -- Write_Path_File -- + --------------------- + + procedure Write_Path_File (FD : File_Descriptor) is + Last : Natural; + Status : Boolean; + + begin + Name_Len := 0; + + for Index in Directories.First .. Directories.Last loop + Add_Str_To_Name_Buffer (Get_Name_String (Directories.Table (Index))); + Add_Char_To_Name_Buffer (ASCII.LF); + end loop; + + Last := Write (FD, Name_Buffer (1)'Address, Name_Len); + + if Last = Name_Len then + Close (FD, Status); + else + Status := False; + end if; + + if not Status then + Prj.Com.Fail ("could not write temporary file"); + end if; + end Write_Path_File; + +end Makeutl; |