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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- P R J . U T I L -- -- -- -- B o d y -- -- -- -- Copyright (C) 2001-2011, Free Software Foundation, Inc. -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 3, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- -- for more details. You should have received a copy of the GNU General -- -- Public License distributed with GNAT; see file COPYING3. If not, go to -- -- http://www.gnu.org/licenses for a complete copy of the license. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ with Ada.Unchecked_Deallocation; with GNAT.Case_Util; use GNAT.Case_Util; with GNAT.Regexp; use GNAT.Regexp; with Osint; use Osint; with Output; use Output; with Opt; with Prj.Com; with Snames; use Snames; with Table; with Targparm; use Targparm; with GNAT.HTable; package body Prj.Util is package Source_Info_Table is new Table.Table (Table_Component_Type => Source_Info_Iterator, Table_Index_Type => Natural, Table_Low_Bound => 1, Table_Initial => 10, Table_Increment => 100, Table_Name => "Makeutl.Source_Info_Table"); package Source_Info_Project_HTable is new GNAT.HTable.Simple_HTable (Header_Num => Prj.Header_Num, Element => Natural, No_Element => 0, Key => Name_Id, Hash => Prj.Hash, Equal => "="); procedure Free is new Ada.Unchecked_Deallocation (Text_File_Data, Text_File); ----------- -- Close -- ----------- procedure Close (File : in out Text_File) is Len : Integer; Status : Boolean; begin if File = null then Prj.Com.Fail ("Close attempted on an invalid Text_File"); end if; if File.Out_File then if File.Buffer_Len > 0 then Len := Write (File.FD, File.Buffer'Address, File.Buffer_Len); if Len /= File.Buffer_Len then Prj.Com.Fail ("Unable to write to an out Text_File"); end if; end if; Close (File.FD, Status); if not Status then Prj.Com.Fail ("Unable to close an out Text_File"); end if; else -- Close in file, no need to test status, since this is a file that -- we read, and the file was read successfully before we closed it. Close (File.FD); end if; Free (File); end Close; ------------ -- Create -- ------------ procedure Create (File : out Text_File; Name : String) is FD : File_Descriptor; File_Name : String (1 .. Name'Length + 1); begin File_Name (1 .. Name'Length) := Name; File_Name (File_Name'Last) := ASCII.NUL; FD := Create_File (Name => File_Name'Address, Fmode => GNAT.OS_Lib.Text); if FD = Invalid_FD then File := null; else File := new Text_File_Data; File.FD := FD; File.Out_File := True; File.End_Of_File_Reached := True; end if; end Create; --------------- -- Duplicate -- --------------- procedure Duplicate (This : in out Name_List_Index; Shared : Shared_Project_Tree_Data_Access) is Old_Current : Name_List_Index; New_Current : Name_List_Index; begin if This /= No_Name_List then Old_Current := This; Name_List_Table.Increment_Last (Shared.Name_Lists); New_Current := Name_List_Table.Last (Shared.Name_Lists); This := New_Current; Shared.Name_Lists.Table (New_Current) := (Shared.Name_Lists.Table (Old_Current).Name, No_Name_List); loop Old_Current := Shared.Name_Lists.Table (Old_Current).Next; exit when Old_Current = No_Name_List; Shared.Name_Lists.Table (New_Current).Next := New_Current + 1; Name_List_Table.Increment_Last (Shared.Name_Lists); New_Current := New_Current + 1; Shared.Name_Lists.Table (New_Current) := (Shared.Name_Lists.Table (Old_Current).Name, No_Name_List); end loop; end if; end Duplicate; ----------------- -- End_Of_File -- ----------------- function End_Of_File (File : Text_File) return Boolean is begin if File = null then Prj.Com.Fail ("End_Of_File attempted on an invalid Text_File"); end if; return File.End_Of_File_Reached; end End_Of_File; ------------------- -- Executable_Of -- ------------------- function Executable_Of (Project : Project_Id; Shared : Shared_Project_Tree_Data_Access; Main : File_Name_Type; Index : Int; Ada_Main : Boolean := True; Language : String := ""; Include_Suffix : Boolean := True) return File_Name_Type is pragma Assert (Project /= No_Project); The_Packages : constant Package_Id := Project.Decl.Packages; Builder_Package : constant Prj.Package_Id := Prj.Util.Value_Of (Name => Name_Builder, In_Packages => The_Packages, Shared => Shared); Executable : Variable_Value := Prj.Util.Value_Of (Name => Name_Id (Main), Index => Index, Attribute_Or_Array_Name => Name_Executable, In_Package => Builder_Package, Shared => Shared); Lang : Language_Ptr; Spec_Suffix : Name_Id := No_Name; Body_Suffix : Name_Id := No_Name; Spec_Suffix_Length : Natural := 0; Body_Suffix_Length : Natural := 0; procedure Get_Suffixes (B_Suffix : File_Name_Type; S_Suffix : File_Name_Type); -- Get the non empty suffixes in variables Spec_Suffix and Body_Suffix function Add_Suffix (File : File_Name_Type) return File_Name_Type; -- Return the name of the executable, based on File, and adding the -- executable suffix if needed ------------------ -- Get_Suffixes -- ------------------ procedure Get_Suffixes (B_Suffix : File_Name_Type; S_Suffix : File_Name_Type) is begin if B_Suffix /= No_File then Body_Suffix := Name_Id (B_Suffix); Body_Suffix_Length := Natural (Length_Of_Name (Body_Suffix)); end if; if S_Suffix /= No_File then Spec_Suffix := Name_Id (S_Suffix); Spec_Suffix_Length := Natural (Length_Of_Name (Spec_Suffix)); end if; end Get_Suffixes; ---------------- -- Add_Suffix -- ---------------- function Add_Suffix (File : File_Name_Type) return File_Name_Type is Saved_EEOT : constant Name_Id := Executable_Extension_On_Target; Result : File_Name_Type; Suffix_From_Project : Variable_Value; begin if Include_Suffix then if Project.Config.Executable_Suffix /= No_Name then Executable_Extension_On_Target := Project.Config.Executable_Suffix; end if; Result := Executable_Name (File); Executable_Extension_On_Target := Saved_EEOT; return Result; elsif Builder_Package /= No_Package then -- If the suffix is specified in the project itself, as opposed to -- the config file, it needs to be taken into account. However, -- when the project was processed, in both cases the suffix was -- stored in Project.Config, so get it from the project again. Suffix_From_Project := Prj.Util.Value_Of (Variable_Name => Name_Executable_Suffix, In_Variables => Shared.Packages.Table (Builder_Package).Decl.Attributes, Shared => Shared); if Suffix_From_Project /= Nil_Variable_Value and then Suffix_From_Project.Value /= No_Name then Executable_Extension_On_Target := Suffix_From_Project.Value; Result := Executable_Name (File); Executable_Extension_On_Target := Saved_EEOT; return Result; end if; end if; return File; end Add_Suffix; -- Start of processing for Executable_Of begin if Ada_Main then Lang := Get_Language_From_Name (Project, "ada"); elsif Language /= "" then Lang := Get_Language_From_Name (Project, Language); end if; if Lang /= null then Get_Suffixes (B_Suffix => Lang.Config.Naming_Data.Body_Suffix, S_Suffix => Lang.Config.Naming_Data.Spec_Suffix); end if; if Builder_Package /= No_Package then if Executable = Nil_Variable_Value and then Ada_Main then Get_Name_String (Main); -- Try as index the name minus the implementation suffix or minus -- the specification suffix. declare Name : constant String (1 .. Name_Len) := Name_Buffer (1 .. Name_Len); Last : Positive := Name_Len; Truncated : Boolean := False; begin if Body_Suffix /= No_Name and then Last > Natural (Length_Of_Name (Body_Suffix)) and then Name (Last - Body_Suffix_Length + 1 .. Last) = Get_Name_String (Body_Suffix) then Truncated := True; Last := Last - Body_Suffix_Length; end if; if Spec_Suffix /= No_Name and then not Truncated and then Last > Spec_Suffix_Length and then Name (Last - Spec_Suffix_Length + 1 .. Last) = Get_Name_String (Spec_Suffix) then Truncated := True; Last := Last - Spec_Suffix_Length; end if; if Truncated then Name_Len := Last; Name_Buffer (1 .. Name_Len) := Name (1 .. Last); Executable := Prj.Util.Value_Of (Name => Name_Find, Index => 0, Attribute_Or_Array_Name => Name_Executable, In_Package => Builder_Package, Shared => Shared); end if; end; end if; -- If we have found an Executable attribute, return its value, -- possibly suffixed by the executable suffix. if Executable /= Nil_Variable_Value and then Executable.Value /= No_Name and then Length_Of_Name (Executable.Value) /= 0 then return Add_Suffix (File_Name_Type (Executable.Value)); end if; end if; Get_Name_String (Main); -- If there is a body suffix or a spec suffix, remove this suffix, -- otherwise remove any suffix ('.' followed by other characters), if -- there is one. if Body_Suffix /= No_Name and then Name_Len > Body_Suffix_Length and then Name_Buffer (Name_Len - Body_Suffix_Length + 1 .. Name_Len) = Get_Name_String (Body_Suffix) then -- Found the body termination, remove it Name_Len := Name_Len - Body_Suffix_Length; elsif Spec_Suffix /= No_Name and then Name_Len > Spec_Suffix_Length and then Name_Buffer (Name_Len - Spec_Suffix_Length + 1 .. Name_Len) = Get_Name_String (Spec_Suffix) then -- Found the spec termination, remove it Name_Len := Name_Len - Spec_Suffix_Length; else -- Remove any suffix, if there is one Get_Name_String (Strip_Suffix (Main)); end if; return Add_Suffix (Name_Find); end Executable_Of; -------------- -- Get_Line -- -------------- procedure Get_Line (File : Text_File; Line : out String; Last : out Natural) is C : Character; procedure Advance; ------------- -- Advance -- ------------- procedure Advance is begin if File.Cursor = File.Buffer_Len then File.Buffer_Len := Read (FD => File.FD, A => File.Buffer'Address, N => File.Buffer'Length); if File.Buffer_Len = 0 then File.End_Of_File_Reached := True; return; else File.Cursor := 1; end if; else File.Cursor := File.Cursor + 1; end if; end Advance; -- Start of processing for Get_Line begin if File = null then Prj.Com.Fail ("Get_Line attempted on an invalid Text_File"); elsif File.Out_File then Prj.Com.Fail ("Get_Line attempted on an out file"); end if; Last := Line'First - 1; if not File.End_Of_File_Reached then loop C := File.Buffer (File.Cursor); exit when C = ASCII.CR or else C = ASCII.LF; Last := Last + 1; Line (Last) := C; Advance; if File.End_Of_File_Reached then return; end if; exit when Last = Line'Last; end loop; if C = ASCII.CR or else C = ASCII.LF then Advance; if File.End_Of_File_Reached then return; end if; end if; if C = ASCII.CR and then File.Buffer (File.Cursor) = ASCII.LF then Advance; end if; end if; end Get_Line; ---------------- -- Initialize -- ---------------- procedure Initialize (Iter : out Source_Info_Iterator; For_Project : Name_Id) is Ind : constant Natural := Source_Info_Project_HTable.Get (For_Project); begin if Ind = 0 then Iter := (No_Source_Info, 0); else Iter := Source_Info_Table.Table (Ind); end if; end Initialize; -------------- -- Is_Valid -- -------------- function Is_Valid (File : Text_File) return Boolean is begin return File /= null; end Is_Valid; ---------- -- Next -- ---------- procedure Next (Iter : in out Source_Info_Iterator) is begin if Iter.Next = 0 then Iter.Info := No_Source_Info; else Iter := Source_Info_Table.Table (Iter.Next); end if; end Next; ---------- -- Open -- ---------- procedure Open (File : out Text_File; Name : String) is FD : File_Descriptor; File_Name : String (1 .. Name'Length + 1); begin File_Name (1 .. Name'Length) := Name; File_Name (File_Name'Last) := ASCII.NUL; FD := Open_Read (Name => File_Name'Address, Fmode => GNAT.OS_Lib.Text); if FD = Invalid_FD then File := null; else File := new Text_File_Data; File.FD := FD; File.Buffer_Len := Read (FD => FD, A => File.Buffer'Address, N => File.Buffer'Length); if File.Buffer_Len = 0 then File.End_Of_File_Reached := True; else File.Cursor := 1; end if; end if; end Open; --------- -- Put -- --------- procedure Put (Into_List : in out Name_List_Index; From_List : String_List_Id; In_Tree : Project_Tree_Ref; Lower_Case : Boolean := False) is Shared : constant Shared_Project_Tree_Data_Access := In_Tree.Shared; Current_Name : Name_List_Index; List : String_List_Id; Element : String_Element; Last : Name_List_Index := Name_List_Table.Last (Shared.Name_Lists); Value : Name_Id; begin Current_Name := Into_List; while Current_Name /= No_Name_List and then Shared.Name_Lists.Table (Current_Name).Next /= No_Name_List loop Current_Name := Shared.Name_Lists.Table (Current_Name).Next; end loop; List := From_List; while List /= Nil_String loop Element := Shared.String_Elements.Table (List); Value := Element.Value; if Lower_Case then Get_Name_String (Value); To_Lower (Name_Buffer (1 .. Name_Len)); Value := Name_Find; end if; Name_List_Table.Append (Shared.Name_Lists, (Name => Value, Next => No_Name_List)); Last := Last + 1; if Current_Name = No_Name_List then Into_List := Last; else Shared.Name_Lists.Table (Current_Name).Next := Last; end if; Current_Name := Last; List := Element.Next; end loop; end Put; procedure Put (File : Text_File; S : String) is Len : Integer; begin if File = null then Prj.Com.Fail ("Attempted to write on an invalid Text_File"); elsif not File.Out_File then Prj.Com.Fail ("Attempted to write an in Text_File"); end if; if File.Buffer_Len + S'Length > File.Buffer'Last then -- Write buffer Len := Write (File.FD, File.Buffer'Address, File.Buffer_Len); if Len /= File.Buffer_Len then Prj.Com.Fail ("Failed to write to an out Text_File"); end if; File.Buffer_Len := 0; end if; File.Buffer (File.Buffer_Len + 1 .. File.Buffer_Len + S'Length) := S; File.Buffer_Len := File.Buffer_Len + S'Length; end Put; -------------- -- Put_Line -- -------------- procedure Put_Line (File : Text_File; Line : String) is L : String (1 .. Line'Length + 1); begin L (1 .. Line'Length) := Line; L (L'Last) := ASCII.LF; Put (File, L); end Put_Line; --------------------------- -- Read_Source_Info_File -- --------------------------- procedure Read_Source_Info_File (Tree : Project_Tree_Ref) is File : Text_File; Info : Source_Info_Iterator; Proj : Name_Id; procedure Report_Error; ------------------ -- Report_Error -- ------------------ procedure Report_Error is begin Write_Line ("errors in source info file """ & Tree.Source_Info_File_Name.all & '"'); Tree.Source_Info_File_Exists := False; end Report_Error; begin Source_Info_Project_HTable.Reset; Source_Info_Table.Init; if Tree.Source_Info_File_Name = null then Tree.Source_Info_File_Exists := False; return; end if; Open (File, Tree.Source_Info_File_Name.all); if not Is_Valid (File) then if Opt.Verbose_Mode then Write_Line ("source info file " & Tree.Source_Info_File_Name.all & " does not exist"); end if; Tree.Source_Info_File_Exists := False; return; end if; Tree.Source_Info_File_Exists := True; if Opt.Verbose_Mode then Write_Line ("Reading source info file " & Tree.Source_Info_File_Name.all); end if; Source_Loop : while not End_Of_File (File) loop Info := (new Source_Info_Data, 0); Source_Info_Table.Increment_Last; -- project name Get_Line (File, Name_Buffer, Name_Len); Proj := Name_Find; Info.Info.Project := Proj; Info.Next := Source_Info_Project_HTable.Get (Proj); Source_Info_Project_HTable.Set (Proj, Source_Info_Table.Last); if End_Of_File (File) then Report_Error; exit Source_Loop; end if; -- language name Get_Line (File, Name_Buffer, Name_Len); Info.Info.Language := Name_Find; if End_Of_File (File) then Report_Error; exit Source_Loop; end if; -- kind Get_Line (File, Name_Buffer, Name_Len); Info.Info.Kind := Source_Kind'Value (Name_Buffer (1 .. Name_Len)); if End_Of_File (File) then Report_Error; exit Source_Loop; end if; -- display path name Get_Line (File, Name_Buffer, Name_Len); Info.Info.Display_Path_Name := Name_Find; Info.Info.Path_Name := Info.Info.Display_Path_Name; if End_Of_File (File) then Report_Error; exit Source_Loop; end if; -- optional fields Option_Loop : loop Get_Line (File, Name_Buffer, Name_Len); exit Option_Loop when Name_Len = 0; if Name_Len <= 2 then Report_Error; exit Source_Loop; else if Name_Buffer (1 .. 2) = "P=" then Name_Buffer (1 .. Name_Len - 2) := Name_Buffer (3 .. Name_Len); Name_Len := Name_Len - 2; Info.Info.Path_Name := Name_Find; elsif Name_Buffer (1 .. 2) = "U=" then Name_Buffer (1 .. Name_Len - 2) := Name_Buffer (3 .. Name_Len); Name_Len := Name_Len - 2; Info.Info.Unit_Name := Name_Find; elsif Name_Buffer (1 .. 2) = "I=" then Info.Info.Index := Int'Value (Name_Buffer (3 .. Name_Len)); elsif Name_Buffer (1 .. Name_Len) = "N=Y" then Info.Info.Naming_Exception := Yes; elsif Name_Buffer (1 .. Name_Len) = "N=I" then Info.Info.Naming_Exception := Inherited; else Report_Error; exit Source_Loop; end if; end if; end loop Option_Loop; Source_Info_Table.Table (Source_Info_Table.Last) := Info; end loop Source_Loop; Close (File); exception when others => Close (File); Report_Error; end Read_Source_Info_File; -------------------- -- Source_Info_Of -- -------------------- function Source_Info_Of (Iter : Source_Info_Iterator) return Source_Info is begin return Iter.Info; end Source_Info_Of; -------------- -- Value_Of -- -------------- function Value_Of (Variable : Variable_Value; Default : String) return String is begin if Variable.Kind /= Single or else Variable.Default or else Variable.Value = No_Name then return Default; else return Get_Name_String (Variable.Value); end if; end Value_Of; function Value_Of (Index : Name_Id; In_Array : Array_Element_Id; Shared : Shared_Project_Tree_Data_Access) return Name_Id is Current : Array_Element_Id; Element : Array_Element; Real_Index : Name_Id := Index; begin Current := In_Array; if Current = No_Array_Element then return No_Name; end if; Element := Shared.Array_Elements.Table (Current); if not Element.Index_Case_Sensitive then Get_Name_String (Index); To_Lower (Name_Buffer (1 .. Name_Len)); Real_Index := Name_Find; end if; while Current /= No_Array_Element loop Element := Shared.Array_Elements.Table (Current); if Real_Index = Element.Index then exit when Element.Value.Kind /= Single; exit when Element.Value.Value = Empty_String; return Element.Value.Value; else Current := Element.Next; end if; end loop; return No_Name; end Value_Of; function Value_Of (Index : Name_Id; Src_Index : Int := 0; In_Array : Array_Element_Id; Shared : Shared_Project_Tree_Data_Access; Force_Lower_Case_Index : Boolean := False; Allow_Wildcards : Boolean := False) return Variable_Value is Current : Array_Element_Id; Element : Array_Element; Real_Index_1 : Name_Id; Real_Index_2 : Name_Id; begin Current := In_Array; if Current = No_Array_Element then return Nil_Variable_Value; end if; Element := Shared.Array_Elements.Table (Current); Real_Index_1 := Index; if not Element.Index_Case_Sensitive or else Force_Lower_Case_Index then if Index /= All_Other_Names then Get_Name_String (Index); To_Lower (Name_Buffer (1 .. Name_Len)); Real_Index_1 := Name_Find; end if; end if; while Current /= No_Array_Element loop Element := Shared.Array_Elements.Table (Current); Real_Index_2 := Element.Index; if not Element.Index_Case_Sensitive or else Force_Lower_Case_Index then if Element.Index /= All_Other_Names then Get_Name_String (Element.Index); To_Lower (Name_Buffer (1 .. Name_Len)); Real_Index_2 := Name_Find; end if; end if; if Src_Index = Element.Src_Index and then (Real_Index_1 = Real_Index_2 or else (Real_Index_2 /= All_Other_Names and then Allow_Wildcards and then Match (Get_Name_String (Real_Index_1), Compile (Get_Name_String (Real_Index_2), Glob => True)))) then return Element.Value; else Current := Element.Next; end if; end loop; return Nil_Variable_Value; end Value_Of; function Value_Of (Name : Name_Id; Index : Int := 0; Attribute_Or_Array_Name : Name_Id; In_Package : Package_Id; Shared : Shared_Project_Tree_Data_Access; Force_Lower_Case_Index : Boolean := False; Allow_Wildcards : Boolean := False) return Variable_Value is The_Array : Array_Element_Id; The_Attribute : Variable_Value := Nil_Variable_Value; begin if In_Package /= No_Package then -- First, look if there is an array element that fits The_Array := Value_Of (Name => Attribute_Or_Array_Name, In_Arrays => Shared.Packages.Table (In_Package).Decl.Arrays, Shared => Shared); The_Attribute := Value_Of (Index => Name, Src_Index => Index, In_Array => The_Array, Shared => Shared, Force_Lower_Case_Index => Force_Lower_Case_Index, Allow_Wildcards => Allow_Wildcards); -- If there is no array element, look for a variable if The_Attribute = Nil_Variable_Value then The_Attribute := Value_Of (Variable_Name => Attribute_Or_Array_Name, In_Variables => Shared.Packages.Table (In_Package).Decl.Attributes, Shared => Shared); end if; end if; return The_Attribute; end Value_Of; function Value_Of (Index : Name_Id; In_Array : Name_Id; In_Arrays : Array_Id; Shared : Shared_Project_Tree_Data_Access) return Name_Id is Current : Array_Id; The_Array : Array_Data; begin Current := In_Arrays; while Current /= No_Array loop The_Array := Shared.Arrays.Table (Current); if The_Array.Name = In_Array then return Value_Of (Index, In_Array => The_Array.Value, Shared => Shared); else Current := The_Array.Next; end if; end loop; return No_Name; end Value_Of; function Value_Of (Name : Name_Id; In_Arrays : Array_Id; Shared : Shared_Project_Tree_Data_Access) return Array_Element_Id is Current : Array_Id; The_Array : Array_Data; begin Current := In_Arrays; while Current /= No_Array loop The_Array := Shared.Arrays.Table (Current); if The_Array.Name = Name then return The_Array.Value; else Current := The_Array.Next; end if; end loop; return No_Array_Element; end Value_Of; function Value_Of (Name : Name_Id; In_Packages : Package_Id; Shared : Shared_Project_Tree_Data_Access) return Package_Id is Current : Package_Id; The_Package : Package_Element; begin Current := In_Packages; while Current /= No_Package loop The_Package := Shared.Packages.Table (Current); exit when The_Package.Name /= No_Name and then The_Package.Name = Name; Current := The_Package.Next; end loop; return Current; end Value_Of; function Value_Of (Variable_Name : Name_Id; In_Variables : Variable_Id; Shared : Shared_Project_Tree_Data_Access) return Variable_Value is Current : Variable_Id; The_Variable : Variable; begin Current := In_Variables; while Current /= No_Variable loop The_Variable := Shared.Variable_Elements.Table (Current); if Variable_Name = The_Variable.Name then return The_Variable.Value; else Current := The_Variable.Next; end if; end loop; return Nil_Variable_Value; end Value_Of; ---------------------------- -- Write_Source_Info_File -- ---------------------------- procedure Write_Source_Info_File (Tree : Project_Tree_Ref) is Iter : Source_Iterator := For_Each_Source (Tree); Source : Prj.Source_Id; File : Text_File; begin if Opt.Verbose_Mode then Write_Line ("Writing new source info file " & Tree.Source_Info_File_Name.all); end if; Create (File, Tree.Source_Info_File_Name.all); if not Is_Valid (File) then Write_Line ("warning: unable to create source info file """ & Tree.Source_Info_File_Name.all & '"'); return; end if; loop Source := Element (Iter); exit when Source = No_Source; if not Source.Locally_Removed and then Source.Replaced_By = No_Source then -- Project name Put_Line (File, Get_Name_String (Source.Project.Name)); -- Language name Put_Line (File, Get_Name_String (Source.Language.Name)); -- Kind Put_Line (File, Source.Kind'Img); -- Display path name Put_Line (File, Get_Name_String (Source.Path.Display_Name)); -- Optional lines: -- Path name (P=) if Source.Path.Name /= Source.Path.Display_Name then Put (File, "P="); Put_Line (File, Get_Name_String (Source.Path.Name)); end if; -- Unit name (U=) if Source.Unit /= No_Unit_Index then Put (File, "U="); Put_Line (File, Get_Name_String (Source.Unit.Name)); end if; -- Multi-source index (I=) if Source.Index /= 0 then Put (File, "I="); Put_Line (File, Source.Index'Img); end if; -- Naming exception ("N=T"); if Source.Naming_Exception = Yes then Put_Line (File, "N=Y"); elsif Source.Naming_Exception = Inherited then Put_Line (File, "N=I"); end if; -- Empty line to indicate end of info on this source Put_Line (File, ""); end if; Next (Iter); end loop; Close (File); end Write_Source_Info_File; --------------- -- Write_Str -- --------------- procedure Write_Str (S : String; Max_Length : Positive; Separator : Character) is First : Positive := S'First; Last : Natural := S'Last; begin -- Nothing to do for empty strings if S'Length > 0 then -- Start on a new line if current line is already longer than -- Max_Length. if Positive (Column) >= Max_Length then Write_Eol; end if; -- If length of remainder is longer than Max_Length, we need to -- cut the remainder in several lines. while Positive (Column) + S'Last - First > Max_Length loop -- Try the maximum length possible Last := First + Max_Length - Positive (Column); -- Look for last Separator in the line while Last >= First and then S (Last) /= Separator loop Last := Last - 1; end loop; -- If we do not find a separator, we output the maximum length -- possible. if Last < First then Last := First + Max_Length - Positive (Column); end if; Write_Line (S (First .. Last)); -- Set the beginning of the new remainder First := Last + 1; end loop; -- What is left goes to the buffer, without EOL Write_Str (S (First .. S'Last)); end if; end Write_Str; end Prj.Util;
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