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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- P R J . P R O C -- -- -- -- B o d y -- -- -- -- Copyright (C) 2001-2009, 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 Err_Vars; use Err_Vars; with Opt; use Opt; with Osint; use Osint; with Output; use Output; with Prj.Attr; use Prj.Attr; with Prj.Err; use Prj.Err; with Prj.Ext; use Prj.Ext; with Prj.Nmsc; use Prj.Nmsc; with Snames; with GNAT.Case_Util; use GNAT.Case_Util; with GNAT.HTable; package body Prj.Proc is package Processed_Projects is new GNAT.HTable.Simple_HTable (Header_Num => Header_Num, Element => Project_Id, No_Element => No_Project, Key => Name_Id, Hash => Hash, Equal => "="); -- This hash table contains all processed projects package Unit_Htable is new GNAT.HTable.Simple_HTable (Header_Num => Header_Num, Element => Source_Id, No_Element => No_Source, Key => Name_Id, Hash => Hash, Equal => "="); -- This hash table contains all processed projects procedure Add (To_Exp : in out Name_Id; Str : Name_Id); -- Concatenate two strings and returns another string if both -- arguments are not null string. -- In the following procedures, we are expected to guess the meaning of -- the parameters from their names, this is never a good idea, comments -- should be added precisely defining every formal ??? procedure Add_Attributes (Project : Project_Id; Project_Name : Name_Id; Project_Dir : Name_Id; In_Tree : Project_Tree_Ref; Decl : in out Declarations; First : Attribute_Node_Id; Project_Level : Boolean); -- Add all attributes, starting with First, with their default values to -- the package or project with declarations Decl. procedure Check (In_Tree : Project_Tree_Ref; Project : Project_Id; Flags : Processing_Flags); -- Set all projects to not checked, then call Recursive_Check for the -- main project Project. Project is set to No_Project if errors occurred. -- Current_Dir is for optimization purposes, avoiding extra system calls. -- If Allow_Duplicate_Basenames, then files with the same base names are -- authorized within a project for source-based languages (never for unit -- based languages) procedure Copy_Package_Declarations (From : Declarations; To : in out Declarations; New_Loc : Source_Ptr; Naming_Restricted : Boolean; In_Tree : Project_Tree_Ref); -- Copy a package declaration From to To for a renamed package. Change the -- locations of all the attributes to New_Loc. When Naming_Restricted is -- True, do not copy attributes Body, Spec, Implementation and -- Specification. function Expression (Project : Project_Id; In_Tree : Project_Tree_Ref; Flags : Processing_Flags; From_Project_Node : Project_Node_Id; From_Project_Node_Tree : Project_Node_Tree_Ref; Pkg : Package_Id; First_Term : Project_Node_Id; Kind : Variable_Kind) return Variable_Value; -- From N_Expression project node From_Project_Node, compute the value -- of an expression and return it as a Variable_Value. function Imported_Or_Extended_Project_From (Project : Project_Id; With_Name : Name_Id) return Project_Id; -- Find an imported or extended project of Project whose name is With_Name function Package_From (Project : Project_Id; In_Tree : Project_Tree_Ref; With_Name : Name_Id) return Package_Id; -- Find the package of Project whose name is With_Name procedure Process_Declarative_Items (Project : Project_Id; In_Tree : Project_Tree_Ref; Flags : Processing_Flags; From_Project_Node : Project_Node_Id; From_Project_Node_Tree : Project_Node_Tree_Ref; Pkg : Package_Id; Item : Project_Node_Id); -- Process declarative items starting with From_Project_Node, and put them -- in declarations Decl. This is a recursive procedure; it calls itself for -- a package declaration or a case construction. procedure Recursive_Process (In_Tree : Project_Tree_Ref; Project : out Project_Id; Flags : Processing_Flags; From_Project_Node : Project_Node_Id; From_Project_Node_Tree : Project_Node_Tree_Ref; Extended_By : Project_Id); -- Process project with node From_Project_Node in the tree. Do nothing if -- From_Project_Node is Empty_Node. If project has already been processed, -- simply return its project id. Otherwise create a new project id, mark it -- as processed, call itself recursively for all imported projects and a -- extended project, if any. Then process the declarative items of the -- project. function Get_Attribute_Index (Tree : Project_Node_Tree_Ref; Attr : Project_Node_Id; Index : Name_Id) return Name_Id; -- Copy the index of the attribute into Name_Buffer, converting to lower -- case if the attribute is case-insensitive. --------- -- Add -- --------- procedure Add (To_Exp : in out Name_Id; Str : Name_Id) is begin if To_Exp = No_Name or else To_Exp = Empty_String then -- To_Exp is nil or empty. The result is Str To_Exp := Str; -- If Str is nil, then do not change To_Ext elsif Str /= No_Name and then Str /= Empty_String then declare S : constant String := Get_Name_String (Str); begin Get_Name_String (To_Exp); Add_Str_To_Name_Buffer (S); To_Exp := Name_Find; end; end if; end Add; -------------------- -- Add_Attributes -- -------------------- procedure Add_Attributes (Project : Project_Id; Project_Name : Name_Id; Project_Dir : Name_Id; In_Tree : Project_Tree_Ref; Decl : in out Declarations; First : Attribute_Node_Id; Project_Level : Boolean) is The_Attribute : Attribute_Node_Id := First; begin while The_Attribute /= Empty_Attribute loop if Attribute_Kind_Of (The_Attribute) = Single then declare New_Attribute : Variable_Value; begin case Variable_Kind_Of (The_Attribute) is -- Undefined should not happen when Undefined => pragma Assert (False, "attribute with an undefined kind"); raise Program_Error; -- Single attributes have a default value of empty string when Single => New_Attribute := (Project => Project, Kind => Single, Location => No_Location, Default => True, Value => Empty_String, Index => 0); -- Special cases of <project>'Name and -- <project>'Project_Dir. if Project_Level then if Attribute_Name_Of (The_Attribute) = Snames.Name_Name then New_Attribute.Value := Project_Name; elsif Attribute_Name_Of (The_Attribute) = Snames.Name_Project_Dir then New_Attribute.Value := Project_Dir; end if; end if; -- List attributes have a default value of nil list when List => New_Attribute := (Project => Project, Kind => List, Location => No_Location, Default => True, Values => Nil_String); end case; Variable_Element_Table.Increment_Last (In_Tree.Variable_Elements); In_Tree.Variable_Elements.Table (Variable_Element_Table.Last (In_Tree.Variable_Elements)) := (Next => Decl.Attributes, Name => Attribute_Name_Of (The_Attribute), Value => New_Attribute); Decl.Attributes := Variable_Element_Table.Last (In_Tree.Variable_Elements); end; end if; The_Attribute := Next_Attribute (After => The_Attribute); end loop; end Add_Attributes; ----------- -- Check -- ----------- procedure Check (In_Tree : Project_Tree_Ref; Project : Project_Id; Flags : Processing_Flags) is begin Process_Naming_Scheme (In_Tree, Project, Flags); -- Set the Other_Part field for the units declare Source1 : Source_Id; Name : Name_Id; Source2 : Source_Id; Iter : Source_Iterator; begin Unit_Htable.Reset; Iter := For_Each_Source (In_Tree); loop Source1 := Prj.Element (Iter); exit when Source1 = No_Source; if Source1.Unit /= No_Unit_Index then Name := Source1.Unit.Name; Source2 := Unit_Htable.Get (Name); if Source2 = No_Source then Unit_Htable.Set (K => Name, E => Source1); else Unit_Htable.Remove (Name); end if; end if; Next (Iter); end loop; end; end Check; ------------------------------- -- Copy_Package_Declarations -- ------------------------------- procedure Copy_Package_Declarations (From : Declarations; To : in out Declarations; New_Loc : Source_Ptr; Naming_Restricted : Boolean; In_Tree : Project_Tree_Ref) is V1 : Variable_Id; V2 : Variable_Id := No_Variable; Var : Variable; A1 : Array_Id; A2 : Array_Id := No_Array; Arr : Array_Data; E1 : Array_Element_Id; E2 : Array_Element_Id := No_Array_Element; Elm : Array_Element; begin -- To avoid references in error messages to attribute declarations in -- an original package that has been renamed, copy all the attribute -- declarations of the package and change all locations to New_Loc, -- the location of the renamed package. -- First single attributes V1 := From.Attributes; while V1 /= No_Variable loop -- Copy the attribute Var := In_Tree.Variable_Elements.Table (V1); V1 := Var.Next; -- Remove the Next component Var.Next := No_Variable; -- Change the location to New_Loc Var.Value.Location := New_Loc; Variable_Element_Table.Increment_Last (In_Tree.Variable_Elements); -- Put in new declaration if To.Attributes = No_Variable then To.Attributes := Variable_Element_Table.Last (In_Tree.Variable_Elements); else In_Tree.Variable_Elements.Table (V2).Next := Variable_Element_Table.Last (In_Tree.Variable_Elements); end if; V2 := Variable_Element_Table.Last (In_Tree.Variable_Elements); In_Tree.Variable_Elements.Table (V2) := Var; end loop; -- Then the associated array attributes A1 := From.Arrays; while A1 /= No_Array loop Arr := In_Tree.Arrays.Table (A1); A1 := Arr.Next; if not Naming_Restricted or else (Arr.Name /= Snames.Name_Body and then Arr.Name /= Snames.Name_Spec and then Arr.Name /= Snames.Name_Implementation and then Arr.Name /= Snames.Name_Specification) then -- Remove the Next component Arr.Next := No_Array; Array_Table.Increment_Last (In_Tree.Arrays); -- Create new Array declaration if To.Arrays = No_Array then To.Arrays := Array_Table.Last (In_Tree.Arrays); else In_Tree.Arrays.Table (A2).Next := Array_Table.Last (In_Tree.Arrays); end if; A2 := Array_Table.Last (In_Tree.Arrays); -- Don't store the array as its first element has not been set yet -- Copy the array elements of the array E1 := Arr.Value; Arr.Value := No_Array_Element; while E1 /= No_Array_Element loop -- Copy the array element Elm := In_Tree.Array_Elements.Table (E1); E1 := Elm.Next; -- Remove the Next component Elm.Next := No_Array_Element; -- Change the location Elm.Value.Location := New_Loc; Array_Element_Table.Increment_Last (In_Tree.Array_Elements); -- Create new array element if Arr.Value = No_Array_Element then Arr.Value := Array_Element_Table.Last (In_Tree.Array_Elements); else In_Tree.Array_Elements.Table (E2).Next := Array_Element_Table.Last (In_Tree.Array_Elements); end if; E2 := Array_Element_Table.Last (In_Tree.Array_Elements); In_Tree.Array_Elements.Table (E2) := Elm; end loop; -- Finally, store the new array In_Tree.Arrays.Table (A2) := Arr; end if; end loop; end Copy_Package_Declarations; ------------------------- -- Get_Attribute_Index -- ------------------------- function Get_Attribute_Index (Tree : Project_Node_Tree_Ref; Attr : Project_Node_Id; Index : Name_Id) return Name_Id is Lower : Boolean; begin Get_Name_String (Index); Lower := Case_Insensitive (Attr, Tree); -- The index is always case insensitive if it does not include any dot. -- ??? Why not use the properties from prj-attr, simply, maybe because -- we don't know whether we have a file as an index? if not Lower then Lower := True; for J in 1 .. Name_Len loop if Name_Buffer (J) = '.' then Lower := False; exit; end if; end loop; end if; if Lower then To_Lower (Name_Buffer (1 .. Name_Len)); return Name_Find; else return Index; end if; end Get_Attribute_Index; ---------------- -- Expression -- ---------------- function Expression (Project : Project_Id; In_Tree : Project_Tree_Ref; Flags : Processing_Flags; From_Project_Node : Project_Node_Id; From_Project_Node_Tree : Project_Node_Tree_Ref; Pkg : Package_Id; First_Term : Project_Node_Id; Kind : Variable_Kind) return Variable_Value is The_Term : Project_Node_Id; -- The term in the expression list The_Current_Term : Project_Node_Id := Empty_Node; -- The current term node id Result : Variable_Value (Kind => Kind); -- The returned result Last : String_List_Id := Nil_String; -- Reference to the last string elements in Result, when Kind is List begin Result.Project := Project; Result.Location := Location_Of (First_Term, From_Project_Node_Tree); -- Process each term of the expression, starting with First_Term The_Term := First_Term; while Present (The_Term) loop The_Current_Term := Current_Term (The_Term, From_Project_Node_Tree); case Kind_Of (The_Current_Term, From_Project_Node_Tree) is when N_Literal_String => case Kind is when Undefined => -- Should never happen pragma Assert (False, "Undefined expression kind"); raise Program_Error; when Single => Add (Result.Value, String_Value_Of (The_Current_Term, From_Project_Node_Tree)); Result.Index := Source_Index_Of (The_Current_Term, From_Project_Node_Tree); when List => String_Element_Table.Increment_Last (In_Tree.String_Elements); if Last = Nil_String then -- This can happen in an expression like () & "toto" Result.Values := String_Element_Table.Last (In_Tree.String_Elements); else In_Tree.String_Elements.Table (Last).Next := String_Element_Table.Last (In_Tree.String_Elements); end if; Last := String_Element_Table.Last (In_Tree.String_Elements); In_Tree.String_Elements.Table (Last) := (Value => String_Value_Of (The_Current_Term, From_Project_Node_Tree), Index => Source_Index_Of (The_Current_Term, From_Project_Node_Tree), Display_Value => No_Name, Location => Location_Of (The_Current_Term, From_Project_Node_Tree), Flag => False, Next => Nil_String); end case; when N_Literal_String_List => declare String_Node : Project_Node_Id := First_Expression_In_List (The_Current_Term, From_Project_Node_Tree); Value : Variable_Value; begin if Present (String_Node) then -- If String_Node is nil, it is an empty list, there is -- nothing to do Value := Expression (Project => Project, In_Tree => In_Tree, Flags => Flags, From_Project_Node => From_Project_Node, From_Project_Node_Tree => From_Project_Node_Tree, Pkg => Pkg, First_Term => Tree.First_Term (String_Node, From_Project_Node_Tree), Kind => Single); String_Element_Table.Increment_Last (In_Tree.String_Elements); if Result.Values = Nil_String then -- This literal string list is the first term in a -- string list expression Result.Values := String_Element_Table.Last (In_Tree.String_Elements); else In_Tree.String_Elements.Table (Last).Next := String_Element_Table.Last (In_Tree.String_Elements); end if; Last := String_Element_Table.Last (In_Tree.String_Elements); In_Tree.String_Elements.Table (Last) := (Value => Value.Value, Display_Value => No_Name, Location => Value.Location, Flag => False, Next => Nil_String, Index => Value.Index); loop -- Add the other element of the literal string list -- one after the other String_Node := Next_Expression_In_List (String_Node, From_Project_Node_Tree); exit when No (String_Node); Value := Expression (Project => Project, In_Tree => In_Tree, Flags => Flags, From_Project_Node => From_Project_Node, From_Project_Node_Tree => From_Project_Node_Tree, Pkg => Pkg, First_Term => Tree.First_Term (String_Node, From_Project_Node_Tree), Kind => Single); String_Element_Table.Increment_Last (In_Tree.String_Elements); In_Tree.String_Elements.Table (Last).Next := String_Element_Table.Last (In_Tree.String_Elements); Last := String_Element_Table.Last (In_Tree.String_Elements); In_Tree.String_Elements.Table (Last) := (Value => Value.Value, Display_Value => No_Name, Location => Value.Location, Flag => False, Next => Nil_String, Index => Value.Index); end loop; end if; end; when N_Variable_Reference | N_Attribute_Reference => declare The_Project : Project_Id := Project; The_Package : Package_Id := Pkg; The_Name : Name_Id := No_Name; The_Variable_Id : Variable_Id := No_Variable; The_Variable : Variable_Value; Term_Project : constant Project_Node_Id := Project_Node_Of (The_Current_Term, From_Project_Node_Tree); Term_Package : constant Project_Node_Id := Package_Node_Of (The_Current_Term, From_Project_Node_Tree); Index : Name_Id := No_Name; begin if Present (Term_Project) and then Term_Project /= From_Project_Node then -- This variable or attribute comes from another project The_Name := Name_Of (Term_Project, From_Project_Node_Tree); The_Project := Imported_Or_Extended_Project_From (Project => Project, With_Name => The_Name); end if; if Present (Term_Package) then -- This is an attribute of a package The_Name := Name_Of (Term_Package, From_Project_Node_Tree); The_Package := The_Project.Decl.Packages; while The_Package /= No_Package and then In_Tree.Packages.Table (The_Package).Name /= The_Name loop The_Package := In_Tree.Packages.Table (The_Package).Next; end loop; pragma Assert (The_Package /= No_Package, "package not found."); elsif Kind_Of (The_Current_Term, From_Project_Node_Tree) = N_Attribute_Reference then The_Package := No_Package; end if; The_Name := Name_Of (The_Current_Term, From_Project_Node_Tree); if Kind_Of (The_Current_Term, From_Project_Node_Tree) = N_Attribute_Reference then Index := Associative_Array_Index_Of (The_Current_Term, From_Project_Node_Tree); end if; -- If it is not an associative array attribute if Index = No_Name then -- It is not an associative array attribute if The_Package /= No_Package then -- First, if there is a package, look into the package if Kind_Of (The_Current_Term, From_Project_Node_Tree) = N_Variable_Reference then The_Variable_Id := In_Tree.Packages.Table (The_Package).Decl.Variables; else The_Variable_Id := In_Tree.Packages.Table (The_Package).Decl.Attributes; end if; while The_Variable_Id /= No_Variable and then In_Tree.Variable_Elements.Table (The_Variable_Id).Name /= The_Name loop The_Variable_Id := In_Tree.Variable_Elements.Table (The_Variable_Id).Next; end loop; end if; if The_Variable_Id = No_Variable then -- If we have not found it, look into the project if Kind_Of (The_Current_Term, From_Project_Node_Tree) = N_Variable_Reference then The_Variable_Id := The_Project.Decl.Variables; else The_Variable_Id := The_Project.Decl.Attributes; end if; while The_Variable_Id /= No_Variable and then In_Tree.Variable_Elements.Table (The_Variable_Id).Name /= The_Name loop The_Variable_Id := In_Tree.Variable_Elements.Table (The_Variable_Id).Next; end loop; end if; pragma Assert (The_Variable_Id /= No_Variable, "variable or attribute not found"); The_Variable := In_Tree.Variable_Elements.Table (The_Variable_Id).Value; else -- It is an associative array attribute declare The_Array : Array_Id := No_Array; The_Element : Array_Element_Id := No_Array_Element; Array_Index : Name_Id := No_Name; begin if The_Package /= No_Package then The_Array := In_Tree.Packages.Table (The_Package).Decl.Arrays; else The_Array := The_Project.Decl.Arrays; end if; while The_Array /= No_Array and then In_Tree.Arrays.Table (The_Array).Name /= The_Name loop The_Array := In_Tree.Arrays.Table (The_Array).Next; end loop; if The_Array /= No_Array then The_Element := In_Tree.Arrays.Table (The_Array).Value; Array_Index := Get_Attribute_Index (From_Project_Node_Tree, The_Current_Term, Index); while The_Element /= No_Array_Element and then In_Tree.Array_Elements.Table (The_Element).Index /= Array_Index loop The_Element := In_Tree.Array_Elements.Table (The_Element).Next; end loop; end if; if The_Element /= No_Array_Element then The_Variable := In_Tree.Array_Elements.Table (The_Element).Value; else if Expression_Kind_Of (The_Current_Term, From_Project_Node_Tree) = List then The_Variable := (Project => Project, Kind => List, Location => No_Location, Default => True, Values => Nil_String); else The_Variable := (Project => Project, Kind => Single, Location => No_Location, Default => True, Value => Empty_String, Index => 0); end if; end if; end; end if; case Kind is when Undefined => -- Should never happen pragma Assert (False, "undefined expression kind"); null; when Single => case The_Variable.Kind is when Undefined => null; when Single => Add (Result.Value, The_Variable.Value); when List => -- Should never happen pragma Assert (False, "list cannot appear in single " & "string expression"); null; end case; when List => case The_Variable.Kind is when Undefined => null; when Single => String_Element_Table.Increment_Last (In_Tree.String_Elements); if Last = Nil_String then -- This can happen in an expression such as -- () & Var Result.Values := String_Element_Table.Last (In_Tree.String_Elements); else In_Tree.String_Elements.Table (Last).Next := String_Element_Table.Last (In_Tree.String_Elements); end if; Last := String_Element_Table.Last (In_Tree.String_Elements); In_Tree.String_Elements.Table (Last) := (Value => The_Variable.Value, Display_Value => No_Name, Location => Location_Of (The_Current_Term, From_Project_Node_Tree), Flag => False, Next => Nil_String, Index => 0); when List => declare The_List : String_List_Id := The_Variable.Values; begin while The_List /= Nil_String loop String_Element_Table.Increment_Last (In_Tree.String_Elements); if Last = Nil_String then Result.Values := String_Element_Table.Last (In_Tree. String_Elements); else In_Tree. String_Elements.Table (Last).Next := String_Element_Table.Last (In_Tree. String_Elements); end if; Last := String_Element_Table.Last (In_Tree.String_Elements); In_Tree.String_Elements.Table (Last) := (Value => In_Tree.String_Elements.Table (The_List).Value, Display_Value => No_Name, Location => Location_Of (The_Current_Term, From_Project_Node_Tree), Flag => False, Next => Nil_String, Index => 0); The_List := In_Tree. String_Elements.Table (The_List).Next; end loop; end; end case; end case; end; when N_External_Value => Get_Name_String (String_Value_Of (External_Reference_Of (The_Current_Term, From_Project_Node_Tree), From_Project_Node_Tree)); declare Name : constant Name_Id := Name_Find; Default : Name_Id := No_Name; Value : Name_Id := No_Name; Def_Var : Variable_Value; Default_Node : constant Project_Node_Id := External_Default_Of (The_Current_Term, From_Project_Node_Tree); begin -- If there is a default value for the external reference, -- get its value. if Present (Default_Node) then Def_Var := Expression (Project => Project, In_Tree => In_Tree, Flags => Flags, From_Project_Node => From_Project_Node, From_Project_Node_Tree => From_Project_Node_Tree, Pkg => Pkg, First_Term => Tree.First_Term (Default_Node, From_Project_Node_Tree), Kind => Single); if Def_Var /= Nil_Variable_Value then Default := Def_Var.Value; end if; end if; Value := Prj.Ext.Value_Of (From_Project_Node_Tree, Name, Default); if Value = No_Name then if not Quiet_Output then Error_Msg (Flags, "?undefined external reference", Location_Of (The_Current_Term, From_Project_Node_Tree), Project); end if; Value := Empty_String; end if; case Kind is when Undefined => null; when Single => Add (Result.Value, Value); when List => String_Element_Table.Increment_Last (In_Tree.String_Elements); if Last = Nil_String then Result.Values := String_Element_Table.Last (In_Tree.String_Elements); else In_Tree.String_Elements.Table (Last).Next := String_Element_Table.Last (In_Tree.String_Elements); end if; Last := String_Element_Table.Last (In_Tree.String_Elements); In_Tree.String_Elements.Table (Last) := (Value => Value, Display_Value => No_Name, Location => Location_Of (The_Current_Term, From_Project_Node_Tree), Flag => False, Next => Nil_String, Index => 0); end case; end; when others => -- Should never happen pragma Assert (False, "illegal node kind in an expression"); raise Program_Error; end case; The_Term := Next_Term (The_Term, From_Project_Node_Tree); end loop; return Result; end Expression; --------------------------------------- -- Imported_Or_Extended_Project_From -- --------------------------------------- function Imported_Or_Extended_Project_From (Project : Project_Id; With_Name : Name_Id) return Project_Id is List : Project_List; Result : Project_Id; Temp_Result : Project_Id; begin -- First check if it is the name of an extended project Result := Project.Extends; while Result /= No_Project loop if Result.Name = With_Name then return Result; else Result := Result.Extends; end if; end loop; -- Then check the name of each imported project Temp_Result := No_Project; List := Project.Imported_Projects; while List /= null loop Result := List.Project; -- If the project is directly imported, then returns its ID if Result.Name = With_Name then return Result; end if; -- If a project extending the project is imported, then keep this -- extending project as a possibility. It will be the returned ID -- if the project is not imported directly. declare Proj : Project_Id; begin Proj := Result.Extends; while Proj /= No_Project loop if Proj.Name = With_Name then Temp_Result := Result; exit; end if; Proj := Proj.Extends; end loop; end; List := List.Next; end loop; pragma Assert (Temp_Result /= No_Project, "project not found"); return Temp_Result; end Imported_Or_Extended_Project_From; ------------------ -- Package_From -- ------------------ function Package_From (Project : Project_Id; In_Tree : Project_Tree_Ref; With_Name : Name_Id) return Package_Id is Result : Package_Id := Project.Decl.Packages; begin -- Check the name of each existing package of Project while Result /= No_Package and then In_Tree.Packages.Table (Result).Name /= With_Name loop Result := In_Tree.Packages.Table (Result).Next; end loop; if Result = No_Package then -- Should never happen Write_Line ("package """ & Get_Name_String (With_Name) & """ not found"); raise Program_Error; else return Result; end if; end Package_From; ------------- -- Process -- ------------- procedure Process (In_Tree : Project_Tree_Ref; Project : out Project_Id; Success : out Boolean; From_Project_Node : Project_Node_Id; From_Project_Node_Tree : Project_Node_Tree_Ref; Flags : Processing_Flags; Reset_Tree : Boolean := True) is begin Process_Project_Tree_Phase_1 (In_Tree => In_Tree, Project => Project, Success => Success, From_Project_Node => From_Project_Node, From_Project_Node_Tree => From_Project_Node_Tree, Flags => Flags, Reset_Tree => Reset_Tree); if Project_Qualifier_Of (From_Project_Node, From_Project_Node_Tree) /= Configuration then Process_Project_Tree_Phase_2 (In_Tree => In_Tree, Project => Project, Success => Success, From_Project_Node => From_Project_Node, From_Project_Node_Tree => From_Project_Node_Tree, Flags => Flags); end if; end Process; ------------------------------- -- Process_Declarative_Items -- ------------------------------- procedure Process_Declarative_Items (Project : Project_Id; In_Tree : Project_Tree_Ref; Flags : Processing_Flags; From_Project_Node : Project_Node_Id; From_Project_Node_Tree : Project_Node_Tree_Ref; Pkg : Package_Id; Item : Project_Node_Id) is Current_Declarative_Item : Project_Node_Id; Current_Item : Project_Node_Id; begin -- Loop through declarative items Current_Item := Empty_Node; Current_Declarative_Item := Item; while Present (Current_Declarative_Item) loop -- Get its data Current_Item := Current_Item_Node (Current_Declarative_Item, From_Project_Node_Tree); -- And set Current_Declarative_Item to the next declarative item -- ready for the next iteration. Current_Declarative_Item := Next_Declarative_Item (Current_Declarative_Item, From_Project_Node_Tree); case Kind_Of (Current_Item, From_Project_Node_Tree) is when N_Package_Declaration => -- Do not process a package declaration that should be ignored if Expression_Kind_Of (Current_Item, From_Project_Node_Tree) /= Ignored then -- Create the new package Package_Table.Increment_Last (In_Tree.Packages); declare New_Pkg : constant Package_Id := Package_Table.Last (In_Tree.Packages); The_New_Package : Package_Element; Project_Of_Renamed_Package : constant Project_Node_Id := Project_Of_Renamed_Package_Of (Current_Item, From_Project_Node_Tree); begin -- Set the name of the new package The_New_Package.Name := Name_Of (Current_Item, From_Project_Node_Tree); -- Insert the new package in the appropriate list if Pkg /= No_Package then The_New_Package.Next := In_Tree.Packages.Table (Pkg).Decl.Packages; In_Tree.Packages.Table (Pkg).Decl.Packages := New_Pkg; else The_New_Package.Next := Project.Decl.Packages; Project.Decl.Packages := New_Pkg; end if; In_Tree.Packages.Table (New_Pkg) := The_New_Package; if Present (Project_Of_Renamed_Package) then -- Renamed package declare Project_Name : constant Name_Id := Name_Of (Project_Of_Renamed_Package, From_Project_Node_Tree); Renamed_Project : constant Project_Id := Imported_Or_Extended_Project_From (Project, Project_Name); Renamed_Package : constant Package_Id := Package_From (Renamed_Project, In_Tree, Name_Of (Current_Item, From_Project_Node_Tree)); begin -- For a renamed package, copy the declarations of -- the renamed package, but set all the locations -- to the location of the package name in the -- renaming declaration. Copy_Package_Declarations (From => In_Tree.Packages.Table (Renamed_Package).Decl, To => In_Tree.Packages.Table (New_Pkg).Decl, New_Loc => Location_Of (Current_Item, From_Project_Node_Tree), Naming_Restricted => False, In_Tree => In_Tree); end; -- Standard package declaration, not renaming else -- Set the default values of the attributes Add_Attributes (Project, Project.Name, Name_Id (Project.Directory.Name), In_Tree, In_Tree.Packages.Table (New_Pkg).Decl, First_Attribute_Of (Package_Id_Of (Current_Item, From_Project_Node_Tree)), Project_Level => False); -- And process declarative items of the new package Process_Declarative_Items (Project => Project, In_Tree => In_Tree, Flags => Flags, From_Project_Node => From_Project_Node, From_Project_Node_Tree => From_Project_Node_Tree, Pkg => New_Pkg, Item => First_Declarative_Item_Of (Current_Item, From_Project_Node_Tree)); end if; end; end if; when N_String_Type_Declaration => -- There is nothing to process null; when N_Attribute_Declaration | N_Typed_Variable_Declaration | N_Variable_Declaration => if Expression_Of (Current_Item, From_Project_Node_Tree) = Empty_Node then -- It must be a full associative array attribute declaration declare Current_Item_Name : constant Name_Id := Name_Of (Current_Item, From_Project_Node_Tree); -- The name of the attribute Current_Location : constant Source_Ptr := Location_Of (Current_Item, From_Project_Node_Tree); New_Array : Array_Id; -- The new associative array created Orig_Array : Array_Id; -- The associative array value Orig_Project_Name : Name_Id := No_Name; -- The name of the project where the associative array -- value is. Orig_Project : Project_Id := No_Project; -- The id of the project where the associative array -- value is. Orig_Package_Name : Name_Id := No_Name; -- The name of the package, if any, where the associative -- array value is. Orig_Package : Package_Id := No_Package; -- The id of the package, if any, where the associative -- array value is. New_Element : Array_Element_Id := No_Array_Element; -- Id of a new array element created Prev_Element : Array_Element_Id := No_Array_Element; -- Last new element id created Orig_Element : Array_Element_Id := No_Array_Element; -- Current array element in original associative array Next_Element : Array_Element_Id := No_Array_Element; -- Id of the array element that follows the new element. -- This is not always nil, because values for the -- associative array attribute may already have been -- declared, and the array elements declared are reused. Prj : Project_List; begin -- First find if the associative array attribute already -- has elements declared. if Pkg /= No_Package then New_Array := In_Tree.Packages.Table (Pkg).Decl.Arrays; else New_Array := Project.Decl.Arrays; end if; while New_Array /= No_Array and then In_Tree.Arrays.Table (New_Array).Name /= Current_Item_Name loop New_Array := In_Tree.Arrays.Table (New_Array).Next; end loop; -- If the attribute has never been declared add new entry -- in the arrays of the project/package and link it. if New_Array = No_Array then Array_Table.Increment_Last (In_Tree.Arrays); New_Array := Array_Table.Last (In_Tree.Arrays); if Pkg /= No_Package then In_Tree.Arrays.Table (New_Array) := (Name => Current_Item_Name, Location => Current_Location, Value => No_Array_Element, Next => In_Tree.Packages.Table (Pkg).Decl.Arrays); In_Tree.Packages.Table (Pkg).Decl.Arrays := New_Array; else In_Tree.Arrays.Table (New_Array) := (Name => Current_Item_Name, Location => Current_Location, Value => No_Array_Element, Next => Project.Decl.Arrays); Project.Decl.Arrays := New_Array; end if; end if; -- Find the project where the value is declared Orig_Project_Name := Name_Of (Associative_Project_Of (Current_Item, From_Project_Node_Tree), From_Project_Node_Tree); Prj := In_Tree.Projects; while Prj /= null loop if Prj.Project.Name = Orig_Project_Name then Orig_Project := Prj.Project; exit; end if; Prj := Prj.Next; end loop; pragma Assert (Orig_Project /= No_Project, "original project not found"); if No (Associative_Package_Of (Current_Item, From_Project_Node_Tree)) then Orig_Array := Orig_Project.Decl.Arrays; else -- If in a package, find the package where the value -- is declared. Orig_Package_Name := Name_Of (Associative_Package_Of (Current_Item, From_Project_Node_Tree), From_Project_Node_Tree); Orig_Package := Orig_Project.Decl.Packages; pragma Assert (Orig_Package /= No_Package, "original package not found"); while In_Tree.Packages.Table (Orig_Package).Name /= Orig_Package_Name loop Orig_Package := In_Tree.Packages.Table (Orig_Package).Next; pragma Assert (Orig_Package /= No_Package, "original package not found"); end loop; Orig_Array := In_Tree.Packages.Table (Orig_Package).Decl.Arrays; end if; -- Now look for the array while Orig_Array /= No_Array and then In_Tree.Arrays.Table (Orig_Array).Name /= Current_Item_Name loop Orig_Array := In_Tree.Arrays.Table (Orig_Array).Next; end loop; if Orig_Array = No_Array then Error_Msg (Flags, "associative array value not found", Location_Of (Current_Item, From_Project_Node_Tree), Project); else Orig_Element := In_Tree.Arrays.Table (Orig_Array).Value; -- Copy each array element while Orig_Element /= No_Array_Element loop -- Case of first element if Prev_Element = No_Array_Element then -- And there is no array element declared yet, -- create a new first array element. if In_Tree.Arrays.Table (New_Array).Value = No_Array_Element then Array_Element_Table.Increment_Last (In_Tree.Array_Elements); New_Element := Array_Element_Table.Last (In_Tree.Array_Elements); In_Tree.Arrays.Table (New_Array).Value := New_Element; Next_Element := No_Array_Element; -- Otherwise, the new element is the first else New_Element := In_Tree.Arrays. Table (New_Array).Value; Next_Element := In_Tree.Array_Elements.Table (New_Element).Next; end if; -- Otherwise, reuse an existing element, or create -- one if necessary. else Next_Element := In_Tree.Array_Elements.Table (Prev_Element).Next; if Next_Element = No_Array_Element then Array_Element_Table.Increment_Last (In_Tree.Array_Elements); New_Element := Array_Element_Table.Last (In_Tree.Array_Elements); In_Tree.Array_Elements.Table (Prev_Element).Next := New_Element; else New_Element := Next_Element; Next_Element := In_Tree.Array_Elements.Table (New_Element).Next; end if; end if; -- Copy the value of the element In_Tree.Array_Elements.Table (New_Element) := In_Tree.Array_Elements.Table (Orig_Element); In_Tree.Array_Elements.Table (New_Element).Value.Project := Project; -- Adjust the Next link In_Tree.Array_Elements.Table (New_Element).Next := Next_Element; -- Adjust the previous id for the next element Prev_Element := New_Element; -- Go to the next element in the original array Orig_Element := In_Tree.Array_Elements.Table (Orig_Element).Next; end loop; -- Make sure that the array ends here, in case there -- previously a greater number of elements. In_Tree.Array_Elements.Table (New_Element).Next := No_Array_Element; end if; end; -- Declarations other that full associative arrays else declare New_Value : constant Variable_Value := Expression (Project => Project, In_Tree => In_Tree, Flags => Flags, From_Project_Node => From_Project_Node, From_Project_Node_Tree => From_Project_Node_Tree, Pkg => Pkg, First_Term => Tree.First_Term (Expression_Of (Current_Item, From_Project_Node_Tree), From_Project_Node_Tree), Kind => Expression_Kind_Of (Current_Item, From_Project_Node_Tree)); -- The expression value The_Variable : Variable_Id := No_Variable; Current_Item_Name : constant Name_Id := Name_Of (Current_Item, From_Project_Node_Tree); Current_Location : constant Source_Ptr := Location_Of (Current_Item, From_Project_Node_Tree); begin -- Process a typed variable declaration if Kind_Of (Current_Item, From_Project_Node_Tree) = N_Typed_Variable_Declaration then -- Report an error for an empty string if New_Value.Value = Empty_String then Error_Msg_Name_1 := Name_Of (Current_Item, From_Project_Node_Tree); Error_Msg (Flags, "no value defined for %%", Location_Of (Current_Item, From_Project_Node_Tree), Project); else declare Current_String : Project_Node_Id; begin -- Loop through all the valid strings for the -- string type and compare to the string value. Current_String := First_Literal_String (String_Type_Of (Current_Item, From_Project_Node_Tree), From_Project_Node_Tree); while Present (Current_String) and then String_Value_Of (Current_String, From_Project_Node_Tree) /= New_Value.Value loop Current_String := Next_Literal_String (Current_String, From_Project_Node_Tree); end loop; -- Report an error if the string value is not -- one for the string type. if No (Current_String) then Error_Msg_Name_1 := New_Value.Value; Error_Msg_Name_2 := Name_Of (Current_Item, From_Project_Node_Tree); Error_Msg (Flags, "value %% is illegal for typed string %%", Location_Of (Current_Item, From_Project_Node_Tree), Project); end if; end; end if; end if; -- Comment here ??? if Kind_Of (Current_Item, From_Project_Node_Tree) /= N_Attribute_Declaration or else Associative_Array_Index_Of (Current_Item, From_Project_Node_Tree) = No_Name then -- Case of a variable declaration or of a not -- associative array attribute. -- First, find the list where to find the variable -- or attribute. if Kind_Of (Current_Item, From_Project_Node_Tree) = N_Attribute_Declaration then if Pkg /= No_Package then The_Variable := In_Tree.Packages.Table (Pkg).Decl.Attributes; else The_Variable := Project.Decl.Attributes; end if; else if Pkg /= No_Package then The_Variable := In_Tree.Packages.Table (Pkg).Decl.Variables; else The_Variable := Project.Decl.Variables; end if; end if; -- Loop through the list, to find if it has already -- been declared. while The_Variable /= No_Variable and then In_Tree.Variable_Elements.Table (The_Variable).Name /= Current_Item_Name loop The_Variable := In_Tree.Variable_Elements.Table (The_Variable).Next; end loop; -- If it has not been declared, create a new entry -- in the list. if The_Variable = No_Variable then -- All single string attribute should already have -- been declared with a default empty string value. pragma Assert (Kind_Of (Current_Item, From_Project_Node_Tree) /= N_Attribute_Declaration, "illegal attribute declaration for " & Get_Name_String (Current_Item_Name)); Variable_Element_Table.Increment_Last (In_Tree.Variable_Elements); The_Variable := Variable_Element_Table.Last (In_Tree.Variable_Elements); -- Put the new variable in the appropriate list if Pkg /= No_Package then In_Tree.Variable_Elements.Table (The_Variable) := (Next => In_Tree.Packages.Table (Pkg).Decl.Variables, Name => Current_Item_Name, Value => New_Value); In_Tree.Packages.Table (Pkg).Decl.Variables := The_Variable; else In_Tree.Variable_Elements.Table (The_Variable) := (Next => Project.Decl.Variables, Name => Current_Item_Name, Value => New_Value); Project.Decl.Variables := The_Variable; end if; -- If the variable/attribute has already been -- declared, just change the value. else In_Tree.Variable_Elements.Table (The_Variable).Value := New_Value; end if; -- Associative array attribute else declare Index_Name : Name_Id := Associative_Array_Index_Of (Current_Item, From_Project_Node_Tree); Source_Index : constant Int := Source_Index_Of (Current_Item, From_Project_Node_Tree); The_Array : Array_Id; The_Array_Element : Array_Element_Id := No_Array_Element; begin if Index_Name /= All_Other_Names then Index_Name := Get_Attribute_Index (From_Project_Node_Tree, Current_Item, Associative_Array_Index_Of (Current_Item, From_Project_Node_Tree)); end if; -- Look for the array in the appropriate list if Pkg /= No_Package then The_Array := In_Tree.Packages.Table (Pkg).Decl.Arrays; else The_Array := Project.Decl.Arrays; end if; while The_Array /= No_Array and then In_Tree.Arrays.Table (The_Array).Name /= Current_Item_Name loop The_Array := In_Tree.Arrays.Table (The_Array).Next; end loop; -- If the array cannot be found, create a new entry -- in the list. As The_Array_Element is initialized -- to No_Array_Element, a new element will be -- created automatically later if The_Array = No_Array then Array_Table.Increment_Last (In_Tree.Arrays); The_Array := Array_Table.Last (In_Tree.Arrays); if Pkg /= No_Package then In_Tree.Arrays.Table (The_Array) := (Name => Current_Item_Name, Location => Current_Location, Value => No_Array_Element, Next => In_Tree.Packages.Table (Pkg).Decl.Arrays); In_Tree.Packages.Table (Pkg).Decl.Arrays := The_Array; else In_Tree.Arrays.Table (The_Array) := (Name => Current_Item_Name, Location => Current_Location, Value => No_Array_Element, Next => Project.Decl.Arrays); Project.Decl.Arrays := The_Array; end if; -- Otherwise initialize The_Array_Element as the -- head of the element list. else The_Array_Element := In_Tree.Arrays.Table (The_Array).Value; end if; -- Look in the list, if any, to find an element -- with the same index and same source index. while The_Array_Element /= No_Array_Element and then (In_Tree.Array_Elements.Table (The_Array_Element).Index /= Index_Name or else In_Tree.Array_Elements.Table (The_Array_Element).Src_Index /= Source_Index) loop The_Array_Element := In_Tree.Array_Elements.Table (The_Array_Element).Next; end loop; -- If no such element were found, create a new one -- and insert it in the element list, with the -- proper value. if The_Array_Element = No_Array_Element then Array_Element_Table.Increment_Last (In_Tree.Array_Elements); The_Array_Element := Array_Element_Table.Last (In_Tree.Array_Elements); In_Tree.Array_Elements.Table (The_Array_Element) := (Index => Index_Name, Src_Index => Source_Index, Index_Case_Sensitive => not Case_Insensitive (Current_Item, From_Project_Node_Tree), Value => New_Value, Next => In_Tree.Arrays.Table (The_Array).Value); In_Tree.Arrays.Table (The_Array).Value := The_Array_Element; -- An element with the same index already exists, -- just replace its value with the new one. else In_Tree.Array_Elements.Table (The_Array_Element).Value := New_Value; end if; end; end if; end; end if; when N_Case_Construction => declare The_Project : Project_Id := Project; -- The id of the project of the case variable The_Package : Package_Id := Pkg; -- The id of the package, if any, of the case variable The_Variable : Variable_Value := Nil_Variable_Value; -- The case variable Case_Value : Name_Id := No_Name; -- The case variable value Case_Item : Project_Node_Id := Empty_Node; Choice_String : Project_Node_Id := Empty_Node; Decl_Item : Project_Node_Id := Empty_Node; begin declare Variable_Node : constant Project_Node_Id := Case_Variable_Reference_Of (Current_Item, From_Project_Node_Tree); Var_Id : Variable_Id := No_Variable; Name : Name_Id := No_Name; begin -- If a project was specified for the case variable, -- get its id. if Present (Project_Node_Of (Variable_Node, From_Project_Node_Tree)) then Name := Name_Of (Project_Node_Of (Variable_Node, From_Project_Node_Tree), From_Project_Node_Tree); The_Project := Imported_Or_Extended_Project_From (Project, Name); end if; -- If a package were specified for the case variable, -- get its id. if Present (Package_Node_Of (Variable_Node, From_Project_Node_Tree)) then Name := Name_Of (Package_Node_Of (Variable_Node, From_Project_Node_Tree), From_Project_Node_Tree); The_Package := Package_From (The_Project, In_Tree, Name); end if; Name := Name_Of (Variable_Node, From_Project_Node_Tree); -- First, look for the case variable into the package, -- if any. if The_Package /= No_Package then Var_Id := In_Tree.Packages.Table (The_Package).Decl.Variables; Name := Name_Of (Variable_Node, From_Project_Node_Tree); while Var_Id /= No_Variable and then In_Tree.Variable_Elements.Table (Var_Id).Name /= Name loop Var_Id := In_Tree.Variable_Elements. Table (Var_Id).Next; end loop; end if; -- If not found in the package, or if there is no -- package, look at the project level. if Var_Id = No_Variable and then No (Package_Node_Of (Variable_Node, From_Project_Node_Tree)) then Var_Id := The_Project.Decl.Variables; while Var_Id /= No_Variable and then In_Tree.Variable_Elements.Table (Var_Id).Name /= Name loop Var_Id := In_Tree.Variable_Elements. Table (Var_Id).Next; end loop; end if; if Var_Id = No_Variable then -- Should never happen, because this has already been -- checked during parsing. Write_Line ("variable """ & Get_Name_String (Name) & """ not found"); raise Program_Error; end if; -- Get the case variable The_Variable := In_Tree.Variable_Elements. Table (Var_Id).Value; if The_Variable.Kind /= Single then -- Should never happen, because this has already been -- checked during parsing. Write_Line ("variable""" & Get_Name_String (Name) & """ is not a single string variable"); raise Program_Error; end if; -- Get the case variable value Case_Value := The_Variable.Value; end; -- Now look into all the case items of the case construction Case_Item := First_Case_Item_Of (Current_Item, From_Project_Node_Tree); Case_Item_Loop : while Present (Case_Item) loop Choice_String := First_Choice_Of (Case_Item, From_Project_Node_Tree); -- When Choice_String is nil, it means that it is -- the "when others =>" alternative. if No (Choice_String) then Decl_Item := First_Declarative_Item_Of (Case_Item, From_Project_Node_Tree); exit Case_Item_Loop; end if; -- Look into all the alternative of this case item Choice_Loop : while Present (Choice_String) loop if Case_Value = String_Value_Of (Choice_String, From_Project_Node_Tree) then Decl_Item := First_Declarative_Item_Of (Case_Item, From_Project_Node_Tree); exit Case_Item_Loop; end if; Choice_String := Next_Literal_String (Choice_String, From_Project_Node_Tree); end loop Choice_Loop; Case_Item := Next_Case_Item (Case_Item, From_Project_Node_Tree); end loop Case_Item_Loop; -- If there is an alternative, then we process it if Present (Decl_Item) then Process_Declarative_Items (Project => Project, In_Tree => In_Tree, Flags => Flags, From_Project_Node => From_Project_Node, From_Project_Node_Tree => From_Project_Node_Tree, Pkg => Pkg, Item => Decl_Item); end if; end; when others => -- Should never happen Write_Line ("Illegal declarative item: " & Project_Node_Kind'Image (Kind_Of (Current_Item, From_Project_Node_Tree))); raise Program_Error; end case; end loop; end Process_Declarative_Items; ---------------------------------- -- Process_Project_Tree_Phase_1 -- ---------------------------------- procedure Process_Project_Tree_Phase_1 (In_Tree : Project_Tree_Ref; Project : out Project_Id; Success : out Boolean; From_Project_Node : Project_Node_Id; From_Project_Node_Tree : Project_Node_Tree_Ref; Flags : Processing_Flags; Reset_Tree : Boolean := True) is begin if Reset_Tree then -- Make sure there are no projects in the data structure Free_List (In_Tree.Projects, Free_Project => True); end if; Processed_Projects.Reset; -- And process the main project and all of the projects it depends on, -- recursively. Recursive_Process (Project => Project, In_Tree => In_Tree, Flags => Flags, From_Project_Node => From_Project_Node, From_Project_Node_Tree => From_Project_Node_Tree, Extended_By => No_Project); Success := Total_Errors_Detected = 0 and then (Warning_Mode /= Treat_As_Error or else Warnings_Detected = 0); end Process_Project_Tree_Phase_1; ---------------------------------- -- Process_Project_Tree_Phase_2 -- ---------------------------------- procedure Process_Project_Tree_Phase_2 (In_Tree : Project_Tree_Ref; Project : Project_Id; Success : out Boolean; From_Project_Node : Project_Node_Id; From_Project_Node_Tree : Project_Node_Tree_Ref; Flags : Processing_Flags) is Obj_Dir : Path_Name_Type; Extending : Project_Id; Extending2 : Project_Id; Prj : Project_List; -- Start of processing for Process_Project_Tree_Phase_2 begin Success := True; if Project /= No_Project then Check (In_Tree, Project, Flags); end if; -- If main project is an extending all project, set object directory of -- all virtual extending projects to object directory of main project. if Project /= No_Project and then Is_Extending_All (From_Project_Node, From_Project_Node_Tree) then declare Object_Dir : constant Path_Name_Type := Project.Object_Directory.Name; begin Prj := In_Tree.Projects; while Prj /= null loop if Prj.Project.Virtual then Prj.Project.Object_Directory.Name := Object_Dir; end if; Prj := Prj.Next; end loop; end; end if; -- Check that no extending project shares its object directory with -- the project(s) it extends. if Project /= No_Project then Prj := In_Tree.Projects; while Prj /= null loop Extending := Prj.Project.Extended_By; if Extending /= No_Project then Obj_Dir := Prj.Project.Object_Directory.Name; -- Check that a project being extended does not share its -- object directory with any project that extends it, directly -- or indirectly, including a virtual extending project. -- Start with the project directly extending it Extending2 := Extending; while Extending2 /= No_Project loop if Has_Ada_Sources (Extending2) and then Extending2.Object_Directory.Name = Obj_Dir then if Extending2.Virtual then Error_Msg_Name_1 := Prj.Project.Display_Name; Error_Msg (Flags, "project %% cannot be extended by a virtual" & " project with the same object directory", Prj.Project.Location, Project); else Error_Msg_Name_1 := Extending2.Display_Name; Error_Msg_Name_2 := Prj.Project.Display_Name; Error_Msg (Flags, "project %% cannot extend project %%", Extending2.Location, Project); Error_Msg (Flags, "\they share the same object directory", Extending2.Location, Project); end if; end if; -- Continue with the next extending project, if any Extending2 := Extending2.Extended_By; end loop; end if; Prj := Prj.Next; end loop; end if; Success := Total_Errors_Detected = 0 and then (Warning_Mode /= Treat_As_Error or else Warnings_Detected = 0); end Process_Project_Tree_Phase_2; ----------------------- -- Recursive_Process -- ----------------------- procedure Recursive_Process (In_Tree : Project_Tree_Ref; Project : out Project_Id; Flags : Processing_Flags; From_Project_Node : Project_Node_Id; From_Project_Node_Tree : Project_Node_Tree_Ref; Extended_By : Project_Id) is procedure Process_Imported_Projects (Imported : in out Project_List; Limited_With : Boolean); -- Process imported projects. If Limited_With is True, then only -- projects processed through a "limited with" are processed, otherwise -- only projects imported through a standard "with" are processed. -- Imported is the id of the last imported project. ------------------------------- -- Process_Imported_Projects -- ------------------------------- procedure Process_Imported_Projects (Imported : in out Project_List; Limited_With : Boolean) is With_Clause : Project_Node_Id; New_Project : Project_Id; Proj_Node : Project_Node_Id; begin With_Clause := First_With_Clause_Of (From_Project_Node, From_Project_Node_Tree); while Present (With_Clause) loop Proj_Node := Non_Limited_Project_Node_Of (With_Clause, From_Project_Node_Tree); New_Project := No_Project; if (Limited_With and then No (Proj_Node)) or else (not Limited_With and then Present (Proj_Node)) then Recursive_Process (In_Tree => In_Tree, Project => New_Project, Flags => Flags, From_Project_Node => Project_Node_Of (With_Clause, From_Project_Node_Tree), From_Project_Node_Tree => From_Project_Node_Tree, Extended_By => No_Project); -- Imported is the id of the last imported project. If -- it is nil, then this imported project is our first. if Imported = null then Project.Imported_Projects := new Project_List_Element' (Project => New_Project, Next => null); Imported := Project.Imported_Projects; else Imported.Next := new Project_List_Element' (Project => New_Project, Next => null); Imported := Imported.Next; end if; end if; With_Clause := Next_With_Clause_Of (With_Clause, From_Project_Node_Tree); end loop; end Process_Imported_Projects; -- Start of processing for Recursive_Process begin if No (From_Project_Node) then Project := No_Project; else declare Imported : Project_List; Declaration_Node : Project_Node_Id := Empty_Node; Name : constant Name_Id := Name_Of (From_Project_Node, From_Project_Node_Tree); Name_Node : constant Tree_Private_Part.Project_Name_And_Node := Tree_Private_Part.Projects_Htable.Get (From_Project_Node_Tree.Projects_HT, Name); begin Project := Processed_Projects.Get (Name); if Project /= No_Project then -- Make sure that, when a project is extended, the project id -- of the project extending it is recorded in its data, even -- when it has already been processed as an imported project. -- This is for virtually extended projects. if Extended_By /= No_Project then Project.Extended_By := Extended_By; end if; return; end if; Project := new Project_Data'(Empty_Project); In_Tree.Projects := new Project_List_Element' (Project => Project, Next => In_Tree.Projects); Processed_Projects.Set (Name, Project); Project.Name := Name; Project.Display_Name := Name_Node.Display_Name; Project.Qualifier := Project_Qualifier_Of (From_Project_Node, From_Project_Node_Tree); Get_Name_String (Name); -- If name starts with the virtual prefix, flag the project as -- being a virtual extending project. if Name_Len > Virtual_Prefix'Length and then Name_Buffer (1 .. Virtual_Prefix'Length) = Virtual_Prefix then Project.Virtual := True; end if; Project.Path.Display_Name := Path_Name_Of (From_Project_Node, From_Project_Node_Tree); Get_Name_String (Project.Path.Display_Name); Canonical_Case_File_Name (Name_Buffer (1 .. Name_Len)); Project.Path.Name := Name_Find; Project.Location := Location_Of (From_Project_Node, From_Project_Node_Tree); Project.Directory.Display_Name := Directory_Of (From_Project_Node, From_Project_Node_Tree); Get_Name_String (Project.Directory.Display_Name); Canonical_Case_File_Name (Name_Buffer (1 .. Name_Len)); Project.Directory.Name := Name_Find; Project.Extended_By := Extended_By; Add_Attributes (Project, Name, Name_Id (Project.Directory.Name), In_Tree, Project.Decl, Prj.Attr.Attribute_First, Project_Level => True); Process_Imported_Projects (Imported, Limited_With => False); Declaration_Node := Project_Declaration_Of (From_Project_Node, From_Project_Node_Tree); Recursive_Process (In_Tree => In_Tree, Project => Project.Extends, Flags => Flags, From_Project_Node => Extended_Project_Of (Declaration_Node, From_Project_Node_Tree), From_Project_Node_Tree => From_Project_Node_Tree, Extended_By => Project); Process_Declarative_Items (Project => Project, In_Tree => In_Tree, Flags => Flags, From_Project_Node => From_Project_Node, From_Project_Node_Tree => From_Project_Node_Tree, Pkg => No_Package, Item => First_Declarative_Item_Of (Declaration_Node, From_Project_Node_Tree)); -- If it is an extending project, inherit all packages -- from the extended project that are not explicitly defined -- or renamed. Also inherit the languages, if attribute Languages -- is not explicitly defined. if Project.Extends /= No_Project then declare Extended_Pkg : Package_Id; Current_Pkg : Package_Id; Element : Package_Element; First : constant Package_Id := Project.Decl.Packages; Attribute1 : Variable_Id; Attribute2 : Variable_Id; Attr_Value1 : Variable; Attr_Value2 : Variable; begin Extended_Pkg := Project.Extends.Decl.Packages; while Extended_Pkg /= No_Package loop Element := In_Tree.Packages.Table (Extended_Pkg); Current_Pkg := First; while Current_Pkg /= No_Package and then In_Tree.Packages.Table (Current_Pkg).Name /= Element.Name loop Current_Pkg := In_Tree.Packages.Table (Current_Pkg).Next; end loop; if Current_Pkg = No_Package then Package_Table.Increment_Last (In_Tree.Packages); Current_Pkg := Package_Table.Last (In_Tree.Packages); In_Tree.Packages.Table (Current_Pkg) := (Name => Element.Name, Decl => No_Declarations, Parent => No_Package, Next => Project.Decl.Packages); Project.Decl.Packages := Current_Pkg; Copy_Package_Declarations (From => Element.Decl, To => In_Tree.Packages.Table (Current_Pkg).Decl, New_Loc => No_Location, Naming_Restricted => Element.Name = Snames.Name_Naming, In_Tree => In_Tree); end if; Extended_Pkg := Element.Next; end loop; -- Check if attribute Languages is declared in the -- extending project. Attribute1 := Project.Decl.Attributes; while Attribute1 /= No_Variable loop Attr_Value1 := In_Tree.Variable_Elements. Table (Attribute1); exit when Attr_Value1.Name = Snames.Name_Languages; Attribute1 := Attr_Value1.Next; end loop; if Attribute1 = No_Variable or else Attr_Value1.Value.Default then -- Attribute Languages is not declared in the extending -- project. Check if it is declared in the project being -- extended. Attribute2 := Project.Extends.Decl.Attributes; while Attribute2 /= No_Variable loop Attr_Value2 := In_Tree.Variable_Elements. Table (Attribute2); exit when Attr_Value2.Name = Snames.Name_Languages; Attribute2 := Attr_Value2.Next; end loop; if Attribute2 /= No_Variable and then not Attr_Value2.Value.Default then -- As attribute Languages is declared in the project -- being extended, copy its value for the extending -- project. if Attribute1 = No_Variable then Variable_Element_Table.Increment_Last (In_Tree.Variable_Elements); Attribute1 := Variable_Element_Table.Last (In_Tree.Variable_Elements); Attr_Value1.Next := Project.Decl.Attributes; Project.Decl.Attributes := Attribute1; end if; Attr_Value1.Name := Snames.Name_Languages; Attr_Value1.Value := Attr_Value2.Value; In_Tree.Variable_Elements.Table (Attribute1) := Attr_Value1; end if; end if; end; end if; Process_Imported_Projects (Imported, Limited_With => True); end; end if; end Recursive_Process; end Prj.Proc;
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