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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- P R J -- -- -- -- B o d y -- -- -- -- Copyright (C) 2001-2012, 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 Debug; with Opt; with Osint; use Osint; with Output; use Output; with Prj.Attr; with Prj.Com; with Prj.Err; use Prj.Err; with Snames; use Snames; with Uintp; use Uintp; with Ada.Characters.Handling; use Ada.Characters.Handling; with Ada.Containers.Ordered_Sets; with Ada.Unchecked_Deallocation; with GNAT.Case_Util; use GNAT.Case_Util; with GNAT.Directory_Operations; use GNAT.Directory_Operations; with GNAT.HTable; package body Prj is type Restricted_Lang; type Restricted_Lang_Access is access Restricted_Lang; type Restricted_Lang is record Name : Name_Id; Next : Restricted_Lang_Access; end record; Restricted_Languages : Restricted_Lang_Access := null; -- When null, all languages are allowed, otherwise only the languages in -- the list are allowed. Object_Suffix : constant String := Get_Target_Object_Suffix.all; -- File suffix for object files Initial_Buffer_Size : constant := 100; -- Initial size for extensible buffer used in Add_To_Buffer The_Empty_String : Name_Id := No_Name; Debug_Level : Integer := 0; -- Current indentation level for debug traces type Cst_String_Access is access constant String; All_Lower_Case_Image : aliased constant String := "lowercase"; All_Upper_Case_Image : aliased constant String := "UPPERCASE"; Mixed_Case_Image : aliased constant String := "MixedCase"; The_Casing_Images : constant array (Known_Casing) of Cst_String_Access := (All_Lower_Case => All_Lower_Case_Image'Access, All_Upper_Case => All_Upper_Case_Image'Access, Mixed_Case => Mixed_Case_Image'Access); procedure Free (Project : in out Project_Id); -- Free memory allocated for Project procedure Free_List (Languages : in out Language_Ptr); procedure Free_List (Source : in out Source_Id); procedure Free_List (Languages : in out Language_List); -- Free memory allocated for the list of languages or sources procedure Reset_Units_In_Table (Table : in out Units_Htable.Instance); -- Resets all Units to No_Unit_Index Unit.File_Names (Spec).Unit & -- Unit.File_Names (Impl).Unit in the given table. procedure Free_Units (Table : in out Units_Htable.Instance); -- Free memory allocated for unit information in the project procedure Language_Changed (Iter : in out Source_Iterator); procedure Project_Changed (Iter : in out Source_Iterator); -- Called when a new project or language was selected for this iterator function Contains_ALI_Files (Dir : Path_Name_Type) return Boolean; -- Return True if there is at least one ALI file in the directory Dir ----------------------------- -- Add_Restricted_Language -- ----------------------------- procedure Add_Restricted_Language (Name : String) is N : String (1 .. Name'Length) := Name; begin To_Lower (N); Name_Len := 0; Add_Str_To_Name_Buffer (N); Restricted_Languages := new Restricted_Lang'(Name => Name_Find, Next => Restricted_Languages); end Add_Restricted_Language; ------------------- -- Add_To_Buffer -- ------------------- procedure Add_To_Buffer (S : String; To : in out String_Access; Last : in out Natural) is begin if To = null then To := new String (1 .. Initial_Buffer_Size); Last := 0; end if; -- If Buffer is too small, double its size while Last + S'Length > To'Last loop declare New_Buffer : constant String_Access := new String (1 .. 2 * Last); begin New_Buffer (1 .. Last) := To (1 .. Last); Free (To); To := New_Buffer; end; end loop; To (Last + 1 .. Last + S'Length) := S; Last := Last + S'Length; end Add_To_Buffer; --------------------------------- -- Current_Object_Path_File_Of -- --------------------------------- function Current_Object_Path_File_Of (Shared : Shared_Project_Tree_Data_Access) return Path_Name_Type is begin return Shared.Private_Part.Current_Object_Path_File; end Current_Object_Path_File_Of; --------------------------------- -- Current_Source_Path_File_Of -- --------------------------------- function Current_Source_Path_File_Of (Shared : Shared_Project_Tree_Data_Access) return Path_Name_Type is begin return Shared.Private_Part.Current_Source_Path_File; end Current_Source_Path_File_Of; --------------------------- -- Delete_Temporary_File -- --------------------------- procedure Delete_Temporary_File (Shared : Shared_Project_Tree_Data_Access := null; Path : Path_Name_Type) is Dont_Care : Boolean; pragma Warnings (Off, Dont_Care); begin if not Debug.Debug_Flag_N then if Current_Verbosity = High then Write_Line ("Removing temp file: " & Get_Name_String (Path)); end if; Delete_File (Get_Name_String (Path), Dont_Care); if Shared /= null then for Index in 1 .. Temp_Files_Table.Last (Shared.Private_Part.Temp_Files) loop if Shared.Private_Part.Temp_Files.Table (Index) = Path then Shared.Private_Part.Temp_Files.Table (Index) := No_Path; end if; end loop; end if; end if; end Delete_Temporary_File; ------------------------------ -- Delete_Temp_Config_Files -- ------------------------------ procedure Delete_Temp_Config_Files (Project_Tree : Project_Tree_Ref) is Success : Boolean; pragma Warnings (Off, Success); Proj : Project_List; begin if not Debug.Debug_Flag_N then if Project_Tree /= null then Proj := Project_Tree.Projects; while Proj /= null loop if Proj.Project.Config_File_Temp then Delete_Temporary_File (Project_Tree.Shared, Proj.Project.Config_File_Name); -- Make sure that we don't have a config file for this -- project, in case there are several mains. In this case, -- we will recreate another config file: we cannot reuse the -- one that we just deleted! Proj.Project.Config_Checked := False; Proj.Project.Config_File_Name := No_Path; Proj.Project.Config_File_Temp := False; end if; Proj := Proj.Next; end loop; end if; end if; end Delete_Temp_Config_Files; --------------------------- -- Delete_All_Temp_Files -- --------------------------- procedure Delete_All_Temp_Files (Shared : Shared_Project_Tree_Data_Access) is Dont_Care : Boolean; pragma Warnings (Off, Dont_Care); Path : Path_Name_Type; begin if not Debug.Debug_Flag_N then for Index in 1 .. Temp_Files_Table.Last (Shared.Private_Part.Temp_Files) loop Path := Shared.Private_Part.Temp_Files.Table (Index); if Path /= No_Path then if Current_Verbosity = High then Write_Line ("Removing temp file: " & Get_Name_String (Path)); end if; Delete_File (Get_Name_String (Path), Dont_Care); end if; end loop; Temp_Files_Table.Free (Shared.Private_Part.Temp_Files); Temp_Files_Table.Init (Shared.Private_Part.Temp_Files); end if; -- If any of the environment variables ADA_PRJ_INCLUDE_FILE or -- ADA_PRJ_OBJECTS_FILE has been set, then reset their value to -- the empty string. On VMS, this has the effect of deassigning -- the logical names. if Shared.Private_Part.Current_Source_Path_File /= No_Path then Setenv (Project_Include_Path_File, ""); end if; if Shared.Private_Part.Current_Object_Path_File /= No_Path then Setenv (Project_Objects_Path_File, ""); end if; end Delete_All_Temp_Files; --------------------- -- Dependency_Name -- --------------------- function Dependency_Name (Source_File_Name : File_Name_Type; Dependency : Dependency_File_Kind) return File_Name_Type is begin case Dependency is when None => return No_File; when Makefile => return Extend_Name (Source_File_Name, Makefile_Dependency_Suffix); when ALI_File => return Extend_Name (Source_File_Name, ALI_Dependency_Suffix); end case; end Dependency_Name; ---------------- -- Empty_File -- ---------------- function Empty_File return File_Name_Type is begin return File_Name_Type (The_Empty_String); end Empty_File; ------------------- -- Empty_Project -- ------------------- function Empty_Project (Qualifier : Project_Qualifier) return Project_Data is begin Prj.Initialize (Tree => No_Project_Tree); declare Data : Project_Data (Qualifier => Qualifier); begin -- Only the fields for which no default value could be provided in -- prj.ads are initialized below. Data.Config := Default_Project_Config; return Data; end; end Empty_Project; ------------------ -- Empty_String -- ------------------ function Empty_String return Name_Id is begin return The_Empty_String; end Empty_String; ------------ -- Expect -- ------------ procedure Expect (The_Token : Token_Type; Token_Image : String) is begin if Token /= The_Token then -- ??? Should pass user flags here instead Error_Msg (Gnatmake_Flags, Token_Image & " expected", Token_Ptr); end if; end Expect; ----------------- -- Extend_Name -- ----------------- function Extend_Name (File : File_Name_Type; With_Suffix : String) return File_Name_Type is Last : Positive; begin Get_Name_String (File); Last := Name_Len + 1; while Name_Len /= 0 and then Name_Buffer (Name_Len) /= '.' loop Name_Len := Name_Len - 1; end loop; if Name_Len <= 1 then Name_Len := Last; end if; for J in With_Suffix'Range loop Name_Buffer (Name_Len) := With_Suffix (J); Name_Len := Name_Len + 1; end loop; Name_Len := Name_Len - 1; return Name_Find; end Extend_Name; ------------------------- -- Is_Allowed_Language -- ------------------------- function Is_Allowed_Language (Name : Name_Id) return Boolean is R : Restricted_Lang_Access := Restricted_Languages; Lang : constant String := Get_Name_String (Name); begin if R = null then return True; else while R /= null loop if Get_Name_String (R.Name) = Lang then return True; end if; R := R.Next; end loop; return False; end if; end Is_Allowed_Language; --------------------- -- Project_Changed -- --------------------- procedure Project_Changed (Iter : in out Source_Iterator) is begin if Iter.Project /= null then Iter.Language := Iter.Project.Project.Languages; Language_Changed (Iter); end if; end Project_Changed; ---------------------- -- Language_Changed -- ---------------------- procedure Language_Changed (Iter : in out Source_Iterator) is begin Iter.Current := No_Source; if Iter.Language_Name /= No_Name then while Iter.Language /= null and then Iter.Language.Name /= Iter.Language_Name loop Iter.Language := Iter.Language.Next; end loop; end if; -- If there is no matching language in this project, move to next if Iter.Language = No_Language_Index then if Iter.All_Projects then loop Iter.Project := Iter.Project.Next; exit when Iter.Project = null or else Iter.Encapsulated_Libs or else not Iter.Project.From_Encapsulated_Lib; end loop; Project_Changed (Iter); else Iter.Project := null; end if; else Iter.Current := Iter.Language.First_Source; if Iter.Current = No_Source then Iter.Language := Iter.Language.Next; Language_Changed (Iter); end if; end if; end Language_Changed; --------------------- -- For_Each_Source -- --------------------- function For_Each_Source (In_Tree : Project_Tree_Ref; Project : Project_Id := No_Project; Language : Name_Id := No_Name; Encapsulated_Libs : Boolean := True) return Source_Iterator is Iter : Source_Iterator; begin Iter := Source_Iterator' (In_Tree => In_Tree, Project => In_Tree.Projects, All_Projects => Project = No_Project, Language_Name => Language, Language => No_Language_Index, Current => No_Source, Encapsulated_Libs => Encapsulated_Libs); if Project /= null then while Iter.Project /= null and then Iter.Project.Project /= Project loop Iter.Project := Iter.Project.Next; end loop; else while not Iter.Encapsulated_Libs and then Iter.Project.From_Encapsulated_Lib loop Iter.Project := Iter.Project.Next; end loop; end if; Project_Changed (Iter); return Iter; end For_Each_Source; ------------- -- Element -- ------------- function Element (Iter : Source_Iterator) return Source_Id is begin return Iter.Current; end Element; ---------- -- Next -- ---------- procedure Next (Iter : in out Source_Iterator) is begin Iter.Current := Iter.Current.Next_In_Lang; if Iter.Current = No_Source then Iter.Language := Iter.Language.Next; Language_Changed (Iter); end if; end Next; -------------------------------- -- For_Every_Project_Imported -- -------------------------------- procedure For_Every_Project_Imported_Context (By : Project_Id; Tree : Project_Tree_Ref; With_State : in out State; Include_Aggregated : Boolean := True; Imported_First : Boolean := False) is use Project_Boolean_Htable; procedure Recursive_Check_Context (Project : Project_Id; Tree : Project_Tree_Ref; In_Aggregate_Lib : Boolean; From_Encapsulated_Lib : Boolean); -- Recursively handle the project tree creating a new context for -- keeping track about already handled projects. ----------------------------- -- Recursive_Check_Context -- ----------------------------- procedure Recursive_Check_Context (Project : Project_Id; Tree : Project_Tree_Ref; In_Aggregate_Lib : Boolean; From_Encapsulated_Lib : Boolean) is package Name_Id_Set is new Ada.Containers.Ordered_Sets (Element_Type => Name_Id); Seen_Name : Name_Id_Set.Set; -- This set is needed to ensure that we do not haandle the same -- project twice in the context of aggregate libraries. procedure Recursive_Check (Project : Project_Id; Tree : Project_Tree_Ref; In_Aggregate_Lib : Boolean; From_Encapsulated_Lib : Boolean); -- Check if project has already been seen. If not, mark it as Seen, -- Call Action, and check all its imported and aggregated projects. --------------------- -- Recursive_Check -- --------------------- procedure Recursive_Check (Project : Project_Id; Tree : Project_Tree_Ref; In_Aggregate_Lib : Boolean; From_Encapsulated_Lib : Boolean) is List : Project_List; T : Project_Tree_Ref; begin if not Seen_Name.Contains (Project.Name) then -- Even if a project is aggregated multiple times in an -- aggregated library, we will only return it once. Seen_Name.Include (Project.Name); if not Imported_First then Action (Project, Tree, Project_Context'(In_Aggregate_Lib, From_Encapsulated_Lib), With_State); end if; -- Visit all extended projects if Project.Extends /= No_Project then Recursive_Check (Project.Extends, Tree, In_Aggregate_Lib, From_Encapsulated_Lib); end if; -- Visit all imported projects List := Project.Imported_Projects; while List /= null loop Recursive_Check (List.Project, Tree, In_Aggregate_Lib, From_Encapsulated_Lib or else Project.Standalone_Library = Encapsulated); List := List.Next; end loop; -- Visit all aggregated projects if Include_Aggregated and then Project.Qualifier in Aggregate_Project then declare Agg : Aggregated_Project_List; begin Agg := Project.Aggregated_Projects; while Agg /= null loop pragma Assert (Agg.Project /= No_Project); -- For aggregated libraries, the tree must be the one -- of the aggregate library. if Project.Qualifier = Aggregate_Library then T := Tree; Recursive_Check (Agg.Project, T, True, From_Encapsulated_Lib or else Project.Standalone_Library = Encapsulated); else T := Agg.Tree; -- Use a new context as we want to returns the same -- project in different project tree for aggregated -- projects. Recursive_Check_Context (Agg.Project, T, False, False); end if; Agg := Agg.Next; end loop; end; end if; if Imported_First then Action (Project, Tree, Project_Context'(In_Aggregate_Lib, From_Encapsulated_Lib), With_State); end if; end if; end Recursive_Check; -- Start of processing for Recursive_Check_Context begin Recursive_Check (Project, Tree, In_Aggregate_Lib, From_Encapsulated_Lib); end Recursive_Check_Context; -- Start of processing for For_Every_Project_Imported begin Recursive_Check_Context (Project => By, Tree => Tree, In_Aggregate_Lib => False, From_Encapsulated_Lib => False); end For_Every_Project_Imported_Context; procedure For_Every_Project_Imported (By : Project_Id; Tree : Project_Tree_Ref; With_State : in out State; Include_Aggregated : Boolean := True; Imported_First : Boolean := False) is procedure Internal (Project : Project_Id; Tree : Project_Tree_Ref; Context : Project_Context; With_State : in out State); -- Action wrapper for handling the context -------------- -- Internal -- -------------- procedure Internal (Project : Project_Id; Tree : Project_Tree_Ref; Context : Project_Context; With_State : in out State) is pragma Unreferenced (Context); begin Action (Project, Tree, With_State); end Internal; procedure For_Projects is new For_Every_Project_Imported_Context (State, Internal); begin For_Projects (By, Tree, With_State, Include_Aggregated, Imported_First); end For_Every_Project_Imported; ----------------- -- Find_Source -- ----------------- function Find_Source (In_Tree : Project_Tree_Ref; Project : Project_Id; In_Imported_Only : Boolean := False; In_Extended_Only : Boolean := False; Base_Name : File_Name_Type; Index : Int := 0) return Source_Id is Result : Source_Id := No_Source; procedure Look_For_Sources (Proj : Project_Id; Tree : Project_Tree_Ref; Src : in out Source_Id); -- Look for Base_Name in the sources of Proj ---------------------- -- Look_For_Sources -- ---------------------- procedure Look_For_Sources (Proj : Project_Id; Tree : Project_Tree_Ref; Src : in out Source_Id) is Iterator : Source_Iterator; begin Iterator := For_Each_Source (In_Tree => Tree, Project => Proj); while Element (Iterator) /= No_Source loop if Element (Iterator).File = Base_Name and then (Index = 0 or else Element (Iterator).Index = Index) then Src := Element (Iterator); -- If the source has been excluded, continue looking. We will -- get the excluded source only if there is no other source -- with the same base name that is not locally removed. if not Element (Iterator).Locally_Removed then return; end if; end if; Next (Iterator); end loop; end Look_For_Sources; procedure For_Imported_Projects is new For_Every_Project_Imported (State => Source_Id, Action => Look_For_Sources); Proj : Project_Id; -- Start of processing for Find_Source begin if In_Extended_Only then Proj := Project; while Proj /= No_Project loop Look_For_Sources (Proj, In_Tree, Result); exit when Result /= No_Source; Proj := Proj.Extends; end loop; elsif In_Imported_Only then Look_For_Sources (Project, In_Tree, Result); if Result = No_Source then For_Imported_Projects (By => Project, Tree => In_Tree, Include_Aggregated => False, With_State => Result); end if; else Look_For_Sources (No_Project, In_Tree, Result); end if; return Result; end Find_Source; ---------- -- Hash -- ---------- function Hash is new GNAT.HTable.Hash (Header_Num => Header_Num); -- Used in implementation of other functions Hash below function Hash (Name : File_Name_Type) return Header_Num is begin return Hash (Get_Name_String (Name)); end Hash; function Hash (Name : Name_Id) return Header_Num is begin return Hash (Get_Name_String (Name)); end Hash; function Hash (Name : Path_Name_Type) return Header_Num is begin return Hash (Get_Name_String (Name)); end Hash; function Hash (Project : Project_Id) return Header_Num is begin if Project = No_Project then return Header_Num'First; else return Hash (Get_Name_String (Project.Name)); end if; end Hash; ----------- -- Image -- ----------- function Image (The_Casing : Casing_Type) return String is begin return The_Casing_Images (The_Casing).all; end Image; ----------------------------- -- Is_Standard_GNAT_Naming -- ----------------------------- function Is_Standard_GNAT_Naming (Naming : Lang_Naming_Data) return Boolean is begin return Get_Name_String (Naming.Spec_Suffix) = ".ads" and then Get_Name_String (Naming.Body_Suffix) = ".adb" and then Get_Name_String (Naming.Dot_Replacement) = "-"; end Is_Standard_GNAT_Naming; ---------------- -- Initialize -- ---------------- procedure Initialize (Tree : Project_Tree_Ref) is begin if The_Empty_String = No_Name then Uintp.Initialize; Name_Len := 0; The_Empty_String := Name_Find; Prj.Attr.Initialize; -- Make sure that new reserved words after Ada 95 may be used as -- identifiers. Opt.Ada_Version := Opt.Ada_95; Set_Name_Table_Byte (Name_Project, Token_Type'Pos (Tok_Project)); Set_Name_Table_Byte (Name_Extends, Token_Type'Pos (Tok_Extends)); Set_Name_Table_Byte (Name_External, Token_Type'Pos (Tok_External)); Set_Name_Table_Byte (Name_External_As_List, Token_Type'Pos (Tok_External_As_List)); end if; if Tree /= No_Project_Tree then Reset (Tree); end if; end Initialize; ------------------ -- Is_Extending -- ------------------ function Is_Extending (Extending : Project_Id; Extended : Project_Id) return Boolean is Proj : Project_Id; begin Proj := Extending; while Proj /= No_Project loop if Proj = Extended then return True; end if; Proj := Proj.Extends; end loop; return False; end Is_Extending; ----------------- -- Object_Name -- ----------------- function Object_Name (Source_File_Name : File_Name_Type; Object_File_Suffix : Name_Id := No_Name) return File_Name_Type is begin if Object_File_Suffix = No_Name then return Extend_Name (Source_File_Name, Object_Suffix); else return Extend_Name (Source_File_Name, Get_Name_String (Object_File_Suffix)); end if; end Object_Name; function Object_Name (Source_File_Name : File_Name_Type; Source_Index : Int; Index_Separator : Character; Object_File_Suffix : Name_Id := No_Name) return File_Name_Type is Index_Img : constant String := Source_Index'Img; Last : Natural; begin Get_Name_String (Source_File_Name); Last := Name_Len; while Last > 1 and then Name_Buffer (Last) /= '.' loop Last := Last - 1; end loop; if Last > 1 then Name_Len := Last - 1; end if; Add_Char_To_Name_Buffer (Index_Separator); Add_Str_To_Name_Buffer (Index_Img (2 .. Index_Img'Last)); if Object_File_Suffix = No_Name then Add_Str_To_Name_Buffer (Object_Suffix); else Add_Str_To_Name_Buffer (Get_Name_String (Object_File_Suffix)); end if; return Name_Find; end Object_Name; ---------------------- -- Record_Temp_File -- ---------------------- procedure Record_Temp_File (Shared : Shared_Project_Tree_Data_Access; Path : Path_Name_Type) is begin Temp_Files_Table.Append (Shared.Private_Part.Temp_Files, Path); end Record_Temp_File; ---------- -- Free -- ---------- procedure Free (List : in out Aggregated_Project_List) is procedure Unchecked_Free is new Ada.Unchecked_Deallocation (Aggregated_Project, Aggregated_Project_List); Tmp : Aggregated_Project_List; begin while List /= null loop Tmp := List.Next; Free (List.Tree); Unchecked_Free (List); List := Tmp; end loop; end Free; ---------------------------- -- Add_Aggregated_Project -- ---------------------------- procedure Add_Aggregated_Project (Project : Project_Id; Path : Path_Name_Type) is begin Project.Aggregated_Projects := new Aggregated_Project' (Path => Path, Project => No_Project, Tree => null, Next => Project.Aggregated_Projects); end Add_Aggregated_Project; ---------- -- Free -- ---------- procedure Free (Project : in out Project_Id) is procedure Unchecked_Free is new Ada.Unchecked_Deallocation (Project_Data, Project_Id); begin if Project /= null then Free (Project.Ada_Include_Path); Free (Project.Objects_Path); Free (Project.Ada_Objects_Path); Free_List (Project.Imported_Projects, Free_Project => False); Free_List (Project.All_Imported_Projects, Free_Project => False); Free_List (Project.Languages); case Project.Qualifier is when Aggregate | Aggregate_Library => Free (Project.Aggregated_Projects); when others => null; end case; Unchecked_Free (Project); end if; end Free; --------------- -- Free_List -- --------------- procedure Free_List (Languages : in out Language_List) is procedure Unchecked_Free is new Ada.Unchecked_Deallocation (Language_List_Element, Language_List); Tmp : Language_List; begin while Languages /= null loop Tmp := Languages.Next; Unchecked_Free (Languages); Languages := Tmp; end loop; end Free_List; --------------- -- Free_List -- --------------- procedure Free_List (Source : in out Source_Id) is procedure Unchecked_Free is new Ada.Unchecked_Deallocation (Source_Data, Source_Id); Tmp : Source_Id; begin while Source /= No_Source loop Tmp := Source.Next_In_Lang; Free_List (Source.Alternate_Languages); if Source.Unit /= null and then Source.Kind in Spec_Or_Body then Source.Unit.File_Names (Source.Kind) := null; end if; Unchecked_Free (Source); Source := Tmp; end loop; end Free_List; --------------- -- Free_List -- --------------- procedure Free_List (List : in out Project_List; Free_Project : Boolean) is procedure Unchecked_Free is new Ada.Unchecked_Deallocation (Project_List_Element, Project_List); Tmp : Project_List; begin while List /= null loop Tmp := List.Next; if Free_Project then Free (List.Project); end if; Unchecked_Free (List); List := Tmp; end loop; end Free_List; --------------- -- Free_List -- --------------- procedure Free_List (Languages : in out Language_Ptr) is procedure Unchecked_Free is new Ada.Unchecked_Deallocation (Language_Data, Language_Ptr); Tmp : Language_Ptr; begin while Languages /= null loop Tmp := Languages.Next; Free_List (Languages.First_Source); Unchecked_Free (Languages); Languages := Tmp; end loop; end Free_List; -------------------------- -- Reset_Units_In_Table -- -------------------------- procedure Reset_Units_In_Table (Table : in out Units_Htable.Instance) is Unit : Unit_Index; begin Unit := Units_Htable.Get_First (Table); while Unit /= No_Unit_Index loop if Unit.File_Names (Spec) /= null then Unit.File_Names (Spec).Unit := No_Unit_Index; end if; if Unit.File_Names (Impl) /= null then Unit.File_Names (Impl).Unit := No_Unit_Index; end if; Unit := Units_Htable.Get_Next (Table); end loop; end Reset_Units_In_Table; ---------------- -- Free_Units -- ---------------- procedure Free_Units (Table : in out Units_Htable.Instance) is procedure Unchecked_Free is new Ada.Unchecked_Deallocation (Unit_Data, Unit_Index); Unit : Unit_Index; begin Unit := Units_Htable.Get_First (Table); while Unit /= No_Unit_Index loop -- We cannot reset Unit.File_Names (Impl or Spec).Unit here as -- Source_Data buffer is freed by the following instruction -- Free_List (Tree.Projects, Free_Project => True); Unchecked_Free (Unit); Unit := Units_Htable.Get_Next (Table); end loop; Units_Htable.Reset (Table); end Free_Units; ---------- -- Free -- ---------- procedure Free (Tree : in out Project_Tree_Ref) is procedure Unchecked_Free is new Ada.Unchecked_Deallocation (Project_Tree_Data, Project_Tree_Ref); procedure Unchecked_Free is new Ada.Unchecked_Deallocation (Project_Tree_Appdata'Class, Project_Tree_Appdata_Access); begin if Tree /= null then if Tree.Is_Root_Tree then Name_List_Table.Free (Tree.Shared.Name_Lists); Number_List_Table.Free (Tree.Shared.Number_Lists); String_Element_Table.Free (Tree.Shared.String_Elements); Variable_Element_Table.Free (Tree.Shared.Variable_Elements); Array_Element_Table.Free (Tree.Shared.Array_Elements); Array_Table.Free (Tree.Shared.Arrays); Package_Table.Free (Tree.Shared.Packages); Temp_Files_Table.Free (Tree.Shared.Private_Part.Temp_Files); end if; if Tree.Appdata /= null then Free (Tree.Appdata.all); Unchecked_Free (Tree.Appdata); end if; Source_Paths_Htable.Reset (Tree.Source_Paths_HT); Source_Files_Htable.Reset (Tree.Source_Files_HT); Reset_Units_In_Table (Tree.Units_HT); Free_List (Tree.Projects, Free_Project => True); Free_Units (Tree.Units_HT); Unchecked_Free (Tree); end if; end Free; ----------- -- Reset -- ----------- procedure Reset (Tree : Project_Tree_Ref) is begin -- Visible tables if Tree.Is_Root_Tree then -- We cannot use 'Access here: -- "illegal attribute for discriminant-dependent component" -- However, we know this is valid since Shared and Shared_Data have -- the same lifetime and will always exist concurrently. Tree.Shared := Tree.Shared_Data'Unrestricted_Access; Name_List_Table.Init (Tree.Shared.Name_Lists); Number_List_Table.Init (Tree.Shared.Number_Lists); String_Element_Table.Init (Tree.Shared.String_Elements); Variable_Element_Table.Init (Tree.Shared.Variable_Elements); Array_Element_Table.Init (Tree.Shared.Array_Elements); Array_Table.Init (Tree.Shared.Arrays); Package_Table.Init (Tree.Shared.Packages); -- Private part table Temp_Files_Table.Init (Tree.Shared.Private_Part.Temp_Files); Tree.Shared.Private_Part.Current_Source_Path_File := No_Path; Tree.Shared.Private_Part.Current_Object_Path_File := No_Path; end if; Source_Paths_Htable.Reset (Tree.Source_Paths_HT); Source_Files_Htable.Reset (Tree.Source_Files_HT); Replaced_Source_HTable.Reset (Tree.Replaced_Sources); Tree.Replaced_Source_Number := 0; Reset_Units_In_Table (Tree.Units_HT); Free_List (Tree.Projects, Free_Project => True); Free_Units (Tree.Units_HT); end Reset; ------------------------------------- -- Set_Current_Object_Path_File_Of -- ------------------------------------- procedure Set_Current_Object_Path_File_Of (Shared : Shared_Project_Tree_Data_Access; To : Path_Name_Type) is begin Shared.Private_Part.Current_Object_Path_File := To; end Set_Current_Object_Path_File_Of; ------------------------------------- -- Set_Current_Source_Path_File_Of -- ------------------------------------- procedure Set_Current_Source_Path_File_Of (Shared : Shared_Project_Tree_Data_Access; To : Path_Name_Type) is begin Shared.Private_Part.Current_Source_Path_File := To; end Set_Current_Source_Path_File_Of; ----------------------- -- Set_Path_File_Var -- ----------------------- procedure Set_Path_File_Var (Name : String; Value : String) is Host_Spec : String_Access := To_Host_File_Spec (Value); begin if Host_Spec = null then Prj.Com.Fail ("could not convert file name """ & Value & """ to host spec"); else Setenv (Name, Host_Spec.all); Free (Host_Spec); end if; end Set_Path_File_Var; ------------------- -- Switches_Name -- ------------------- function Switches_Name (Source_File_Name : File_Name_Type) return File_Name_Type is begin return Extend_Name (Source_File_Name, Switches_Dependency_Suffix); end Switches_Name; ----------- -- Value -- ----------- function Value (Image : String) return Casing_Type is begin for Casing in The_Casing_Images'Range loop if To_Lower (Image) = To_Lower (The_Casing_Images (Casing).all) then return Casing; end if; end loop; raise Constraint_Error; end Value; --------------------- -- Has_Ada_Sources -- --------------------- function Has_Ada_Sources (Data : Project_Id) return Boolean is Lang : Language_Ptr; begin Lang := Data.Languages; while Lang /= No_Language_Index loop if Lang.Name = Name_Ada then return Lang.First_Source /= No_Source; end if; Lang := Lang.Next; end loop; return False; end Has_Ada_Sources; ------------------------ -- Contains_ALI_Files -- ------------------------ function Contains_ALI_Files (Dir : Path_Name_Type) return Boolean is Dir_Name : constant String := Get_Name_String (Dir); Direct : Dir_Type; Name : String (1 .. 1_000); Last : Natural; Result : Boolean := False; begin Open (Direct, Dir_Name); -- For each file in the directory, check if it is an ALI file loop Read (Direct, Name, Last); exit when Last = 0; Canonical_Case_File_Name (Name (1 .. Last)); Result := Last >= 5 and then Name (Last - 3 .. Last) = ".ali"; exit when Result; end loop; Close (Direct); return Result; exception -- If there is any problem, close the directory if open and return True. -- The library directory will be added to the path. when others => if Is_Open (Direct) then Close (Direct); end if; return True; end Contains_ALI_Files; -------------------------- -- Get_Object_Directory -- -------------------------- function Get_Object_Directory (Project : Project_Id; Including_Libraries : Boolean; Only_If_Ada : Boolean := False) return Path_Name_Type is begin if (Project.Library and then Including_Libraries) or else (Project.Object_Directory /= No_Path_Information and then (not Including_Libraries or else not Project.Library)) then -- For a library project, add the library ALI directory if there is -- no object directory or if the library ALI directory contains ALI -- files; otherwise add the object directory. if Project.Library then if Project.Object_Directory = No_Path_Information or else Contains_ALI_Files (Project.Library_ALI_Dir.Display_Name) then return Project.Library_ALI_Dir.Display_Name; else return Project.Object_Directory.Display_Name; end if; -- For a non-library project, add object directory if it is not a -- virtual project, and if there are Ada sources in the project or -- one of the projects it extends. If there are no Ada sources, -- adding the object directory could disrupt the order of the -- object dirs in the path. elsif not Project.Virtual then declare Add_Object_Dir : Boolean; Prj : Project_Id; begin Add_Object_Dir := not Only_If_Ada; Prj := Project; while not Add_Object_Dir and then Prj /= No_Project loop if Has_Ada_Sources (Prj) then Add_Object_Dir := True; else Prj := Prj.Extends; end if; end loop; if Add_Object_Dir then return Project.Object_Directory.Display_Name; end if; end; end if; end if; return No_Path; end Get_Object_Directory; ----------------------------------- -- Ultimate_Extending_Project_Of -- ----------------------------------- function Ultimate_Extending_Project_Of (Proj : Project_Id) return Project_Id is Prj : Project_Id; begin Prj := Proj; while Prj /= null and then Prj.Extended_By /= No_Project loop Prj := Prj.Extended_By; end loop; return Prj; end Ultimate_Extending_Project_Of; ----------------------------------- -- Compute_All_Imported_Projects -- ----------------------------------- procedure Compute_All_Imported_Projects (Root_Project : Project_Id; Tree : Project_Tree_Ref) is procedure Analyze_Tree (Local_Root : Project_Id; Local_Tree : Project_Tree_Ref; Context : Project_Context); -- Process Project and all its aggregated project to analyze their own -- imported projects. ------------------ -- Analyze_Tree -- ------------------ procedure Analyze_Tree (Local_Root : Project_Id; Local_Tree : Project_Tree_Ref; Context : Project_Context) is pragma Unreferenced (Local_Root); Project : Project_Id; procedure Recursive_Add (Prj : Project_Id; Tree : Project_Tree_Ref; Context : Project_Context; Dummy : in out Boolean); -- Recursively add the projects imported by project Project, but not -- those that are extended. ------------------- -- Recursive_Add -- ------------------- procedure Recursive_Add (Prj : Project_Id; Tree : Project_Tree_Ref; Context : Project_Context; Dummy : in out Boolean) is pragma Unreferenced (Dummy, Tree); List : Project_List; Prj2 : Project_Id; begin -- A project is not importing itself Prj2 := Ultimate_Extending_Project_Of (Prj); if Project /= Prj2 then -- Check that the project is not already in the list. We know -- the one passed to Recursive_Add have never been visited -- before, but the one passed it are the extended projects. List := Project.All_Imported_Projects; while List /= null loop if List.Project = Prj2 then return; end if; List := List.Next; end loop; -- Add it to the list Project.All_Imported_Projects := new Project_List_Element' (Project => Prj2, From_Encapsulated_Lib => Context.From_Encapsulated_Lib or else Analyze_Tree.Context.From_Encapsulated_Lib, Next => Project.All_Imported_Projects); end if; end Recursive_Add; procedure For_All_Projects is new For_Every_Project_Imported_Context (Boolean, Recursive_Add); Dummy : Boolean := False; List : Project_List; begin List := Local_Tree.Projects; while List /= null loop Project := List.Project; Free_List (Project.All_Imported_Projects, Free_Project => False); For_All_Projects (Project, Local_Tree, Dummy, Include_Aggregated => False); List := List.Next; end loop; end Analyze_Tree; procedure For_Aggregates is new For_Project_And_Aggregated_Context (Analyze_Tree); -- Start of processing for Compute_All_Imported_Projects begin For_Aggregates (Root_Project, Tree); end Compute_All_Imported_Projects; ------------------- -- Is_Compilable -- ------------------- function Is_Compilable (Source : Source_Id) return Boolean is begin case Source.Compilable is when Unknown => if Source.Language.Config.Compiler_Driver /= No_File and then Length_Of_Name (Source.Language.Config.Compiler_Driver) /= 0 and then not Source.Locally_Removed and then (Source.Language.Config.Kind /= File_Based or else Source.Kind /= Spec) then -- Do not modify Source.Compilable before the source record -- has been initialized. if Source.Source_TS /= Empty_Time_Stamp then Source.Compilable := Yes; end if; return True; else if Source.Source_TS /= Empty_Time_Stamp then Source.Compilable := No; end if; return False; end if; when Yes => return True; when No => return False; end case; end Is_Compilable; ------------------------------ -- Object_To_Global_Archive -- ------------------------------ function Object_To_Global_Archive (Source : Source_Id) return Boolean is begin return Source.Language.Config.Kind = File_Based and then Source.Kind = Impl and then Source.Language.Config.Objects_Linked and then Is_Compilable (Source) and then Source.Language.Config.Object_Generated; end Object_To_Global_Archive; ---------------------------- -- Get_Language_From_Name -- ---------------------------- function Get_Language_From_Name (Project : Project_Id; Name : String) return Language_Ptr is N : Name_Id; Result : Language_Ptr; begin Name_Len := Name'Length; Name_Buffer (1 .. Name_Len) := Name; To_Lower (Name_Buffer (1 .. Name_Len)); N := Name_Find; Result := Project.Languages; while Result /= No_Language_Index loop if Result.Name = N then return Result; end if; Result := Result.Next; end loop; return No_Language_Index; end Get_Language_From_Name; ---------------- -- Other_Part -- ---------------- function Other_Part (Source : Source_Id) return Source_Id is begin if Source.Unit /= No_Unit_Index then case Source.Kind is when Impl => return Source.Unit.File_Names (Spec); when Spec => return Source.Unit.File_Names (Impl); when Sep => return No_Source; end case; else return No_Source; end if; end Other_Part; ------------------ -- Create_Flags -- ------------------ function Create_Flags (Report_Error : Error_Handler; When_No_Sources : Error_Warning; Require_Sources_Other_Lang : Boolean := True; Allow_Duplicate_Basenames : Boolean := True; Compiler_Driver_Mandatory : Boolean := False; Error_On_Unknown_Language : Boolean := True; Require_Obj_Dirs : Error_Warning := Error; Allow_Invalid_External : Error_Warning := Error; Missing_Source_Files : Error_Warning := Error; Ignore_Missing_With : Boolean := False) return Processing_Flags is begin return Processing_Flags' (Report_Error => Report_Error, When_No_Sources => When_No_Sources, Require_Sources_Other_Lang => Require_Sources_Other_Lang, Allow_Duplicate_Basenames => Allow_Duplicate_Basenames, Error_On_Unknown_Language => Error_On_Unknown_Language, Compiler_Driver_Mandatory => Compiler_Driver_Mandatory, Require_Obj_Dirs => Require_Obj_Dirs, Allow_Invalid_External => Allow_Invalid_External, Missing_Source_Files => Missing_Source_Files, Ignore_Missing_With => Ignore_Missing_With); end Create_Flags; ------------ -- Length -- ------------ function Length (Table : Name_List_Table.Instance; List : Name_List_Index) return Natural is Count : Natural := 0; Tmp : Name_List_Index; begin Tmp := List; while Tmp /= No_Name_List loop Count := Count + 1; Tmp := Table.Table (Tmp).Next; end loop; return Count; end Length; ------------------ -- Debug_Output -- ------------------ procedure Debug_Output (Str : String) is begin if Current_Verbosity > Default then Set_Standard_Error; Write_Line ((1 .. Debug_Level * 2 => ' ') & Str); Set_Standard_Output; end if; end Debug_Output; ------------------ -- Debug_Indent -- ------------------ procedure Debug_Indent is begin if Current_Verbosity = High then Set_Standard_Error; Write_Str ((1 .. Debug_Level * 2 => ' ')); Set_Standard_Output; end if; end Debug_Indent; ------------------ -- Debug_Output -- ------------------ procedure Debug_Output (Str : String; Str2 : Name_Id) is begin if Current_Verbosity = High then Debug_Indent; Set_Standard_Error; Write_Str (Str); if Str2 = No_Name then Write_Line (" <no_name>"); else Write_Line (" """ & Get_Name_String (Str2) & '"'); end if; Set_Standard_Output; end if; end Debug_Output; --------------------------- -- Debug_Increase_Indent -- --------------------------- procedure Debug_Increase_Indent (Str : String := ""; Str2 : Name_Id := No_Name) is begin if Str2 /= No_Name then Debug_Output (Str, Str2); else Debug_Output (Str); end if; Debug_Level := Debug_Level + 1; end Debug_Increase_Indent; --------------------------- -- Debug_Decrease_Indent -- --------------------------- procedure Debug_Decrease_Indent (Str : String := "") is begin if Debug_Level > 0 then Debug_Level := Debug_Level - 1; end if; if Str /= "" then Debug_Output (Str); end if; end Debug_Decrease_Indent; ---------------- -- Debug_Name -- ---------------- function Debug_Name (Tree : Project_Tree_Ref) return Name_Id is P : Project_List; begin Name_Len := 0; Add_Str_To_Name_Buffer ("Tree ["); P := Tree.Projects; while P /= null loop if P /= Tree.Projects then Add_Char_To_Name_Buffer (','); end if; Add_Str_To_Name_Buffer (Get_Name_String (P.Project.Name)); P := P.Next; end loop; Add_Char_To_Name_Buffer (']'); return Name_Find; end Debug_Name; ---------- -- Free -- ---------- procedure Free (Tree : in out Project_Tree_Appdata) is pragma Unreferenced (Tree); begin null; end Free; -------------------------------- -- For_Project_And_Aggregated -- -------------------------------- procedure For_Project_And_Aggregated (Root_Project : Project_Id; Root_Tree : Project_Tree_Ref) is Agg : Aggregated_Project_List; begin Action (Root_Project, Root_Tree); if Root_Project.Qualifier in Aggregate_Project then Agg := Root_Project.Aggregated_Projects; while Agg /= null loop For_Project_And_Aggregated (Agg.Project, Agg.Tree); Agg := Agg.Next; end loop; end if; end For_Project_And_Aggregated; ---------------------------------------- -- For_Project_And_Aggregated_Context -- ---------------------------------------- procedure For_Project_And_Aggregated_Context (Root_Project : Project_Id; Root_Tree : Project_Tree_Ref) is procedure Recursive_Process (Project : Project_Id; Tree : Project_Tree_Ref; Context : Project_Context); -- Process Project and all aggregated projects recursively ----------------------- -- Recursive_Process -- ----------------------- procedure Recursive_Process (Project : Project_Id; Tree : Project_Tree_Ref; Context : Project_Context) is Agg : Aggregated_Project_List; Ctx : Project_Context; begin Action (Project, Tree, Context); if Project.Qualifier in Aggregate_Project then Ctx := (In_Aggregate_Lib => True, From_Encapsulated_Lib => Context.From_Encapsulated_Lib or else Project.Standalone_Library = Encapsulated); Agg := Project.Aggregated_Projects; while Agg /= null loop Recursive_Process (Agg.Project, Agg.Tree, Ctx); Agg := Agg.Next; end loop; end if; end Recursive_Process; -- Start of processing for For_Project_And_Aggregated_Context begin Recursive_Process (Root_Project, Root_Tree, Project_Context'(False, False)); end For_Project_And_Aggregated_Context; -- Package initialization for Prj begin -- Make sure that the standard config and user project file extensions are -- compatible with canonical case file naming. Canonical_Case_File_Name (Config_Project_File_Extension); Canonical_Case_File_Name (Project_File_Extension); end Prj;
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