[multiple changes]
2012-10-04 Javier Miranda <miranda@adacore.com> * exp_disp.adb (Set_CPP_Constructors_Old): Removed. (Set_CPP_Constructors): Code cleanup. 2012-10-04 Ed Schonberg <schonberg@adacore.com> * sem_ch10.adb (Is_Ancestor_Unit): Make global, for use elsewhere. (Install_Private_with_Clauses): if clause is private and limited, do not install the limited view if the library unit is an ancestor of the unit being compiled. This unusual configuration occurs when compiling a unit DDP, when an ancestor P of DDP has a private limited with clause on a descendant of P that is itself an ancestor of DDP. From-SVN: r192069
This commit is contained in:
Arnaud Charlet
parent
4bb43ffbb8
commit
f62b296e6a
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@ -1,3 +1,18 @@
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2012-10-04 Javier Miranda <miranda@adacore.com>
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* exp_disp.adb (Set_CPP_Constructors_Old): Removed.
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(Set_CPP_Constructors): Code cleanup.
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2012-10-04 Ed Schonberg <schonberg@adacore.com>
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* sem_ch10.adb (Is_Ancestor_Unit): Make global, for use elsewhere.
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(Install_Private_with_Clauses): if clause is private and limited,
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do not install the limited view if the library unit is an ancestor
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of the unit being compiled. This unusual configuration occurs
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when compiling a unit DDP, when an ancestor P of DDP has a
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private limited with clause on a descendant of P that is itself
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an ancestor of DDP.
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2012-10-04 Vincent Celier <celier@adacore.com>
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* prj-proc.adb (Process_Package_Declaration): Use project
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@ -8447,152 +8447,49 @@ package body Exp_Disp is
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procedure Set_CPP_Constructors (Typ : Entity_Id) is
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procedure Set_CPP_Constructors_Old (Typ : Entity_Id);
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-- For backward compatibility this routine handles CPP constructors
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-- of non-tagged types.
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function Gen_Parameters_Profile (E : Entity_Id) return List_Id;
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-- Duplicate the parameters profile of the imported C++ constructor
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-- adding an access to the object as an additional parameter.
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procedure Set_CPP_Constructors_Old (Typ : Entity_Id) is
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Loc : Source_Ptr;
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Init : Entity_Id;
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E : Entity_Id;
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Found : Boolean := False;
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P : Node_Id;
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function Gen_Parameters_Profile (E : Entity_Id) return List_Id is
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Loc : constant Source_Ptr := Sloc (E);
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Parms : List_Id;
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Covers_Default_Constructor : Entity_Id := Empty;
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P : Node_Id;
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begin
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-- Look for the constructor entities
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Parms :=
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New_List (
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Make_Parameter_Specification (Loc,
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Defining_Identifier =>
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Make_Defining_Identifier (Loc, Name_uInit),
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Parameter_Type => New_Reference_To (Typ, Loc)));
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E := Next_Entity (Typ);
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while Present (E) loop
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if Ekind (E) = E_Function
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and then Is_Constructor (E)
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then
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-- Create the init procedure
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Found := True;
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Loc := Sloc (E);
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Init := Make_Defining_Identifier (Loc,
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Make_Init_Proc_Name (Typ));
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Parms :=
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New_List (
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Make_Parameter_Specification (Loc,
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Defining_Identifier =>
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Make_Defining_Identifier (Loc, Name_X),
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Parameter_Type =>
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New_Reference_To (Typ, Loc)));
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if Present (Parameter_Specifications (Parent (E))) then
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P := First (Parameter_Specifications (Parent (E)));
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while Present (P) loop
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Append_To (Parms,
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Make_Parameter_Specification (Loc,
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Defining_Identifier =>
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Make_Defining_Identifier (Loc,
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Chars (Defining_Identifier (P))),
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Parameter_Type =>
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New_Copy_Tree (Parameter_Type (P)),
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Expression => New_Copy_Tree (Expression (P))));
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Next (P);
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end loop;
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end if;
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Discard_Node (
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Make_Subprogram_Declaration (Loc,
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Make_Procedure_Specification (Loc,
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Defining_Unit_Name => Init,
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Parameter_Specifications => Parms)));
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Set_Init_Proc (Typ, Init);
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Set_Is_Imported (Init);
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Set_Is_Constructor (Init);
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Set_Interface_Name (Init, Interface_Name (E));
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Set_Convention (Init, Convention_CPP);
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Set_Is_Public (Init);
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Set_Has_Completion (Init);
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-- If this constructor has parameters and all its parameters
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-- have defaults then it covers the default constructor. The
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-- semantic analyzer ensures that only one constructor with
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-- defaults covers the default constructor.
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if Present (Parameter_Specifications (Parent (E)))
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and then Needs_No_Actuals (E)
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then
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Covers_Default_Constructor := Init;
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end if;
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end if;
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Next_Entity (E);
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end loop;
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-- If there are no constructors, mark the type as abstract since we
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-- won't be able to declare objects of that type.
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if not Found then
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Set_Is_Abstract_Type (Typ);
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if Present (Parameter_Specifications (Parent (E))) then
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P := First (Parameter_Specifications (Parent (E)));
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while Present (P) loop
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Append_To (Parms,
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Make_Parameter_Specification (Loc,
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Defining_Identifier =>
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Make_Defining_Identifier (Loc,
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Chars => Chars (Defining_Identifier (P))),
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Parameter_Type => New_Copy_Tree (Parameter_Type (P)),
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Expression => New_Copy_Tree (Expression (P))));
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Next (P);
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end loop;
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end if;
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-- Handle constructor that has all its parameters with defaults and
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-- hence it covers the default constructor. We generate a wrapper IP
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-- which calls the covering constructor.
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if Present (Covers_Default_Constructor) then
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declare
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Body_Stmts : List_Id;
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Wrapper_Id : Entity_Id;
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Wrapper_Body_Node : Node_Id;
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begin
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Loc := Sloc (Covers_Default_Constructor);
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Body_Stmts := New_List (
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Make_Procedure_Call_Statement (Loc,
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Name => New_Reference_To (Covers_Default_Constructor, Loc),
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Parameter_Associations => New_List (
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Make_Identifier (Loc, Name_uInit))));
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Wrapper_Id := Make_Defining_Identifier (Loc,
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Make_Init_Proc_Name (Typ));
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Wrapper_Body_Node :=
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Make_Subprogram_Body (Loc,
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Specification =>
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Make_Procedure_Specification (Loc,
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Defining_Unit_Name => Wrapper_Id,
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Parameter_Specifications => New_List (
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Make_Parameter_Specification (Loc,
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Defining_Identifier =>
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Make_Defining_Identifier (Loc, Name_uInit),
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Parameter_Type =>
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New_Reference_To (Typ, Loc)))),
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Declarations => No_List,
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Handled_Statement_Sequence =>
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Make_Handled_Sequence_Of_Statements (Loc,
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Statements => Body_Stmts,
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Exception_Handlers => No_List));
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Discard_Node (Wrapper_Body_Node);
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Set_Init_Proc (Typ, Wrapper_Id);
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end;
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end if;
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end Set_CPP_Constructors_Old;
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return Parms;
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end Gen_Parameters_Profile;
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-- Local variables
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Loc : Source_Ptr;
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E : Entity_Id;
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Found : Boolean := False;
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P : Node_Id;
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Parms : List_Id;
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Constructor_Decl_Node : Node_Id;
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Constructor_Id : Entity_Id;
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Wrapper_Id : Entity_Id;
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Wrapper_Body_Node : Node_Id;
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Actuals : List_Id;
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Body_Stmts : List_Id;
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Init_Tags_List : List_Id;
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Loc : Source_Ptr;
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E : Entity_Id;
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Found : Boolean := False;
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IP : Entity_Id;
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IP_Body : Node_Id;
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P : Node_Id;
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Parms : List_Id;
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Covers_Default_Constructor : Entity_Id := Empty;
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@ -8601,22 +8498,6 @@ package body Exp_Disp is
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begin
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pragma Assert (Is_CPP_Class (Typ));
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-- For backward compatibility the compiler accepts C++ classes
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-- imported through non-tagged record types. In such case the
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-- wrapper of the C++ constructor is useless because the _tag
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-- component is not available.
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-- Example:
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-- type Root is limited record ...
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-- pragma Import (CPP, Root);
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-- function New_Root return Root;
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-- pragma CPP_Constructor (New_Root, ... );
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if not Is_Tagged_Type (Typ) then
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Set_CPP_Constructors_Old (Typ);
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return;
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end if;
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-- Look for the constructor entities
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E := Next_Entity (Typ);
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@ -8626,157 +8507,168 @@ package body Exp_Disp is
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then
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Found := True;
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Loc := Sloc (E);
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Parms := Gen_Parameters_Profile (E);
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IP :=
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Make_Defining_Identifier (Loc,
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Chars => Make_Init_Proc_Name (Typ));
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-- Generate the declaration of the imported C++ constructor
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-- Case 1: Constructor of non-tagged type
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Parms :=
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New_List (
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Make_Parameter_Specification (Loc,
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Defining_Identifier =>
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Make_Defining_Identifier (Loc, Name_uInit),
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Parameter_Type =>
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New_Reference_To (Typ, Loc)));
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-- If the C++ class has no virtual methods then the matching Ada
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-- type is a non-tagged record type. In such case there is no need
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-- to generate a wrapper of the C++ constructor because the _tag
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-- component is not available.
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if Present (Parameter_Specifications (Parent (E))) then
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P := First (Parameter_Specifications (Parent (E)));
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while Present (P) loop
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Append_To (Parms,
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Make_Parameter_Specification (Loc,
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Defining_Identifier =>
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Make_Defining_Identifier (Loc,
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Chars (Defining_Identifier (P))),
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Parameter_Type => New_Copy_Tree (Parameter_Type (P))));
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Next (P);
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end loop;
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if not Is_Tagged_Type (Typ) then
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Discard_Node
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(Make_Subprogram_Declaration (Loc,
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Specification =>
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Make_Procedure_Specification (Loc,
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Defining_Unit_Name => IP,
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Parameter_Specifications => Parms)));
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Set_Init_Proc (Typ, IP);
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Set_Is_Imported (IP);
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Set_Is_Constructor (IP);
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Set_Interface_Name (IP, Interface_Name (E));
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Set_Convention (IP, Convention_CPP);
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Set_Is_Public (IP);
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Set_Has_Completion (IP);
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-- Case 2: Constructor of a tagged type
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-- In this case we generate the IP as a wrapper of the the
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-- C++ constructor because IP must also save copy of the _tag
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-- generated in the C++ side. The copy of the _tag is used by
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-- Build_CPP_Init_Procedure to elaborate derivations of C++ types.
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-- Generate:
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-- procedure IP (_init : Typ; ...) is
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-- procedure ConstructorP (_init : Typ; ...);
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-- pragma Import (ConstructorP);
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-- begin
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-- ConstructorP (_init, ...);
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-- if Typ._tag = null then
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-- Typ._tag := _init._tag;
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-- end if;
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-- end IP;
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else
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declare
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Body_Stmts : constant List_Id := New_List;
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Constructor_Id : Entity_Id;
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Constructor_Decl_Node : Node_Id;
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Init_Tags_List : List_Id;
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begin
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Constructor_Id := Make_Temporary (Loc, 'P');
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Constructor_Decl_Node :=
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Make_Subprogram_Declaration (Loc,
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Make_Procedure_Specification (Loc,
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Defining_Unit_Name => Constructor_Id,
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Parameter_Specifications => Parms));
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Set_Is_Imported (Constructor_Id);
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Set_Is_Constructor (Constructor_Id);
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Set_Interface_Name (Constructor_Id, Interface_Name (E));
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Set_Convention (Constructor_Id, Convention_CPP);
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Set_Is_Public (Constructor_Id);
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Set_Has_Completion (Constructor_Id);
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-- Build the init procedure as a wrapper of this constructor
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Parms := Gen_Parameters_Profile (E);
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-- Invoke the C++ constructor
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declare
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Actuals : constant List_Id := New_List;
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begin
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P := First (Parms);
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while Present (P) loop
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Append_To (Actuals,
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New_Reference_To (Defining_Identifier (P), Loc));
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Next (P);
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end loop;
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Append_To (Body_Stmts,
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Make_Procedure_Call_Statement (Loc,
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Name => New_Reference_To (Constructor_Id, Loc),
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Parameter_Associations => Actuals));
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end;
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-- Initialize copies of C++ primary and secondary tags
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Init_Tags_List := New_List;
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declare
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Tag_Elmt : Elmt_Id;
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Tag_Comp : Node_Id;
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begin
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Tag_Elmt := First_Elmt (Access_Disp_Table (Typ));
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Tag_Comp := First_Tag_Component (Typ);
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while Present (Tag_Elmt)
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and then Is_Tag (Node (Tag_Elmt))
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loop
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-- Skip the following assertion with primary tags
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-- because Related_Type is not set on primary tag
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-- components
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pragma Assert
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(Tag_Comp = First_Tag_Component (Typ)
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or else Related_Type (Node (Tag_Elmt))
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= Related_Type (Tag_Comp));
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Append_To (Init_Tags_List,
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Make_Assignment_Statement (Loc,
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Name =>
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New_Reference_To (Node (Tag_Elmt), Loc),
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Expression =>
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Make_Selected_Component (Loc,
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Prefix =>
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Make_Identifier (Loc, Name_uInit),
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Selector_Name =>
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New_Reference_To (Tag_Comp, Loc))));
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Tag_Comp := Next_Tag_Component (Tag_Comp);
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Next_Elmt (Tag_Elmt);
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end loop;
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end;
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Append_To (Body_Stmts,
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Make_If_Statement (Loc,
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Condition =>
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Make_Op_Eq (Loc,
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Left_Opnd =>
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New_Reference_To
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(Node (First_Elmt (Access_Disp_Table (Typ))),
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Loc),
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Right_Opnd =>
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Unchecked_Convert_To (RTE (RE_Tag),
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New_Reference_To (RTE (RE_Null_Address), Loc))),
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Then_Statements => Init_Tags_List));
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IP_Body :=
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Make_Subprogram_Body (Loc,
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Specification =>
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Make_Procedure_Specification (Loc,
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Defining_Unit_Name => IP,
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Parameter_Specifications => Parms),
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Declarations => New_List (Constructor_Decl_Node),
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Handled_Statement_Sequence =>
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Make_Handled_Sequence_Of_Statements (Loc,
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Statements => Body_Stmts,
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Exception_Handlers => No_List));
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Discard_Node (IP_Body);
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Set_Init_Proc (Typ, IP);
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end;
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end if;
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Constructor_Id := Make_Temporary (Loc, 'P');
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Constructor_Decl_Node :=
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Make_Subprogram_Declaration (Loc,
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Make_Procedure_Specification (Loc,
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Defining_Unit_Name => Constructor_Id,
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Parameter_Specifications => Parms));
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Set_Is_Imported (Constructor_Id);
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Set_Is_Constructor (Constructor_Id);
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Set_Interface_Name (Constructor_Id, Interface_Name (E));
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Set_Convention (Constructor_Id, Convention_CPP);
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Set_Is_Public (Constructor_Id);
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Set_Has_Completion (Constructor_Id);
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-- Build the wrapper of this constructor
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Parms :=
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New_List (
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Make_Parameter_Specification (Loc,
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Defining_Identifier =>
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Make_Defining_Identifier (Loc, Name_uInit),
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Parameter_Type =>
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New_Reference_To (Typ, Loc)));
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if Present (Parameter_Specifications (Parent (E))) then
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P := First (Parameter_Specifications (Parent (E)));
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while Present (P) loop
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Append_To (Parms,
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Make_Parameter_Specification (Loc,
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Defining_Identifier =>
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Make_Defining_Identifier (Loc,
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Chars (Defining_Identifier (P))),
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Parameter_Type =>
|
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New_Copy_Tree (Parameter_Type (P)),
|
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Expression => New_Copy_Tree (Expression (P))));
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Next (P);
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end loop;
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end if;
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Body_Stmts := New_List;
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-- Invoke the C++ constructor
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Actuals := New_List;
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P := First (Parms);
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while Present (P) loop
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Append_To (Actuals,
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New_Reference_To (Defining_Identifier (P), Loc));
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Next (P);
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end loop;
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Append_To (Body_Stmts,
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Make_Procedure_Call_Statement (Loc,
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Name => New_Reference_To (Constructor_Id, Loc),
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Parameter_Associations => Actuals));
|
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|
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-- Initialize copies of C++ primary and secondary tags
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Init_Tags_List := New_List;
|
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|
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declare
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Tag_Elmt : Elmt_Id;
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Tag_Comp : Node_Id;
|
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|
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begin
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Tag_Elmt := First_Elmt (Access_Disp_Table (Typ));
|
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Tag_Comp := First_Tag_Component (Typ);
|
||||
|
||||
while Present (Tag_Elmt)
|
||||
and then Is_Tag (Node (Tag_Elmt))
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loop
|
||||
-- Skip the following assertion with primary tags because
|
||||
-- Related_Type is not set on primary tag components
|
||||
|
||||
pragma Assert (Tag_Comp = First_Tag_Component (Typ)
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or else Related_Type (Node (Tag_Elmt))
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= Related_Type (Tag_Comp));
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|
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Append_To (Init_Tags_List,
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||||
Make_Assignment_Statement (Loc,
|
||||
Name =>
|
||||
New_Reference_To (Node (Tag_Elmt), Loc),
|
||||
Expression =>
|
||||
Make_Selected_Component (Loc,
|
||||
Prefix =>
|
||||
Make_Identifier (Loc, Name_uInit),
|
||||
Selector_Name =>
|
||||
New_Reference_To (Tag_Comp, Loc))));
|
||||
|
||||
Tag_Comp := Next_Tag_Component (Tag_Comp);
|
||||
Next_Elmt (Tag_Elmt);
|
||||
end loop;
|
||||
end;
|
||||
|
||||
Append_To (Body_Stmts,
|
||||
Make_If_Statement (Loc,
|
||||
Condition =>
|
||||
Make_Op_Eq (Loc,
|
||||
Left_Opnd =>
|
||||
New_Reference_To
|
||||
(Node (First_Elmt (Access_Disp_Table (Typ))),
|
||||
Loc),
|
||||
Right_Opnd =>
|
||||
Unchecked_Convert_To (RTE (RE_Tag),
|
||||
New_Reference_To (RTE (RE_Null_Address), Loc))),
|
||||
Then_Statements => Init_Tags_List));
|
||||
|
||||
Wrapper_Id := Make_Defining_Identifier (Loc,
|
||||
Make_Init_Proc_Name (Typ));
|
||||
|
||||
Wrapper_Body_Node :=
|
||||
Make_Subprogram_Body (Loc,
|
||||
Specification =>
|
||||
Make_Procedure_Specification (Loc,
|
||||
Defining_Unit_Name => Wrapper_Id,
|
||||
Parameter_Specifications => Parms),
|
||||
Declarations => New_List (Constructor_Decl_Node),
|
||||
Handled_Statement_Sequence =>
|
||||
Make_Handled_Sequence_Of_Statements (Loc,
|
||||
Statements => Body_Stmts,
|
||||
Exception_Handlers => No_List));
|
||||
|
||||
Discard_Node (Wrapper_Body_Node);
|
||||
Set_Init_Proc (Typ, Wrapper_Id);
|
||||
|
||||
-- If this constructor has parameters and all its parameters
|
||||
-- have defaults then it covers the default constructor. The
|
||||
-- semantic analyzer ensures that only one constructor with
|
||||
|
|
@ -8785,7 +8677,7 @@ package body Exp_Disp is
|
|||
if Present (Parameter_Specifications (Parent (E)))
|
||||
and then Needs_No_Actuals (E)
|
||||
then
|
||||
Covers_Default_Constructor := Wrapper_Id;
|
||||
Covers_Default_Constructor := IP;
|
||||
end if;
|
||||
end if;
|
||||
|
||||
|
|
@ -8804,39 +8696,42 @@ package body Exp_Disp is
|
|||
-- which calls the covering constructor.
|
||||
|
||||
if Present (Covers_Default_Constructor) then
|
||||
Loc := Sloc (Covers_Default_Constructor);
|
||||
declare
|
||||
Body_Stmts : List_Id;
|
||||
|
||||
Body_Stmts := New_List (
|
||||
Make_Procedure_Call_Statement (Loc,
|
||||
Name =>
|
||||
New_Reference_To (Covers_Default_Constructor, Loc),
|
||||
Parameter_Associations => New_List (
|
||||
Make_Identifier (Loc, Name_uInit))));
|
||||
begin
|
||||
Loc := Sloc (Covers_Default_Constructor);
|
||||
|
||||
Wrapper_Id :=
|
||||
Make_Defining_Identifier (Loc, Make_Init_Proc_Name (Typ));
|
||||
Body_Stmts := New_List (
|
||||
Make_Procedure_Call_Statement (Loc,
|
||||
Name =>
|
||||
New_Reference_To (Covers_Default_Constructor, Loc),
|
||||
Parameter_Associations => New_List (
|
||||
Make_Identifier (Loc, Name_uInit))));
|
||||
|
||||
Wrapper_Body_Node :=
|
||||
Make_Subprogram_Body (Loc,
|
||||
Specification =>
|
||||
Make_Procedure_Specification (Loc,
|
||||
Defining_Unit_Name => Wrapper_Id,
|
||||
Parameter_Specifications => New_List (
|
||||
Make_Parameter_Specification (Loc,
|
||||
Defining_Identifier =>
|
||||
Make_Defining_Identifier (Loc, Name_uInit),
|
||||
Parameter_Type =>
|
||||
New_Reference_To (Typ, Loc)))),
|
||||
IP := Make_Defining_Identifier (Loc, Make_Init_Proc_Name (Typ));
|
||||
|
||||
Declarations => No_List,
|
||||
IP_Body :=
|
||||
Make_Subprogram_Body (Loc,
|
||||
Specification =>
|
||||
Make_Procedure_Specification (Loc,
|
||||
Defining_Unit_Name => IP,
|
||||
Parameter_Specifications => New_List (
|
||||
Make_Parameter_Specification (Loc,
|
||||
Defining_Identifier =>
|
||||
Make_Defining_Identifier (Loc, Name_uInit),
|
||||
Parameter_Type => New_Reference_To (Typ, Loc)))),
|
||||
|
||||
Handled_Statement_Sequence =>
|
||||
Make_Handled_Sequence_Of_Statements (Loc,
|
||||
Statements => Body_Stmts,
|
||||
Exception_Handlers => No_List));
|
||||
Declarations => No_List,
|
||||
|
||||
Discard_Node (Wrapper_Body_Node);
|
||||
Set_Init_Proc (Typ, Wrapper_Id);
|
||||
Handled_Statement_Sequence =>
|
||||
Make_Handled_Sequence_Of_Statements (Loc,
|
||||
Statements => Body_Stmts,
|
||||
Exception_Handlers => No_List));
|
||||
|
||||
Discard_Node (IP_Body);
|
||||
Set_Init_Proc (Typ, IP);
|
||||
end;
|
||||
end if;
|
||||
|
||||
-- If the CPP type has constructors then it must import also the default
|
||||
|
|
|
|||
|
|
@ -164,6 +164,11 @@ package body Sem_Ch10 is
|
|||
-- an enclosing scope. Iterate over context to find child units of U_Name
|
||||
-- or of some ancestor of it.
|
||||
|
||||
function Is_Ancestor_Unit (U1 : Node_Id; U2 : Node_Id) return Boolean;
|
||||
-- When compiling a unit Q descended from some parent unit P, a limited
|
||||
-- with_clause in the context of P that names some other ancestor of Q
|
||||
-- must not be installed because the ancestor is immediately visible.
|
||||
|
||||
function Is_Child_Spec (Lib_Unit : Node_Id) return Boolean;
|
||||
-- Lib_Unit is a library unit which may be a spec or a body. Is_Child_Spec
|
||||
-- returns True if Lib_Unit is a library spec which is a child spec, i.e.
|
||||
|
|
@ -3521,11 +3526,6 @@ package body Sem_Ch10 is
|
|||
-- units. The shadow entities are created when the inserted clause is
|
||||
-- analyzed. Implements Ada 2005 (AI-50217).
|
||||
|
||||
function Is_Ancestor_Unit (U1 : Node_Id; U2 : Node_Id) return Boolean;
|
||||
-- When compiling a unit Q descended from some parent unit P, a limited
|
||||
-- with_clause in the context of P that names some other ancestor of Q
|
||||
-- must not be installed because the ancestor is immediately visible.
|
||||
|
||||
---------------------
|
||||
-- Check_Renamings --
|
||||
---------------------
|
||||
|
|
@ -3794,22 +3794,6 @@ package body Sem_Ch10 is
|
|||
end if;
|
||||
end Expand_Limited_With_Clause;
|
||||
|
||||
----------------------
|
||||
-- Is_Ancestor_Unit --
|
||||
----------------------
|
||||
|
||||
function Is_Ancestor_Unit (U1 : Node_Id; U2 : Node_Id) return Boolean is
|
||||
E1 : constant Entity_Id := Defining_Entity (Unit (U1));
|
||||
E2 : Entity_Id;
|
||||
begin
|
||||
if Nkind_In (Unit (U2), N_Package_Body, N_Subprogram_Body) then
|
||||
E2 := Defining_Entity (Unit (Library_Unit (U2)));
|
||||
return Is_Ancestor_Package (E1, E2);
|
||||
else
|
||||
return False;
|
||||
end if;
|
||||
end Is_Ancestor_Unit;
|
||||
|
||||
-- Start of processing for Install_Limited_Context_Clauses
|
||||
|
||||
begin
|
||||
|
|
@ -4061,8 +4045,17 @@ package body Sem_Ch10 is
|
|||
if Nkind (Item) = N_With_Clause
|
||||
and then Private_Present (Item)
|
||||
then
|
||||
-- If the unit is an ancestor of the current one, it is the
|
||||
-- case of a private limited with clause on a child unit, and
|
||||
-- the compilation of one of its descendants, In that case the
|
||||
-- limited view is errelevant.
|
||||
|
||||
if Limited_Present (Item) then
|
||||
if not Limited_View_Installed (Item) then
|
||||
if not Limited_View_Installed (Item)
|
||||
and then
|
||||
not Is_Ancestor_Unit (Library_Unit (Item),
|
||||
Cunit (Current_Sem_Unit))
|
||||
then
|
||||
Install_Limited_Withed_Unit (Item);
|
||||
end if;
|
||||
else
|
||||
|
|
@ -5269,6 +5262,22 @@ package body Sem_Ch10 is
|
|||
(C_Unit, Cunit_Entity (Get_Source_Unit (Non_Limited_View (T))));
|
||||
end Is_Legal_Shadow_Entity_In_Body;
|
||||
|
||||
----------------------
|
||||
-- Is_Ancestor_Unit --
|
||||
----------------------
|
||||
|
||||
function Is_Ancestor_Unit (U1 : Node_Id; U2 : Node_Id) return Boolean is
|
||||
E1 : constant Entity_Id := Defining_Entity (Unit (U1));
|
||||
E2 : Entity_Id;
|
||||
begin
|
||||
if Nkind_In (Unit (U2), N_Package_Body, N_Subprogram_Body) then
|
||||
E2 := Defining_Entity (Unit (Library_Unit (U2)));
|
||||
return Is_Ancestor_Package (E1, E2);
|
||||
else
|
||||
return False;
|
||||
end if;
|
||||
end Is_Ancestor_Unit;
|
||||
|
||||
-----------------------
|
||||
-- Load_Needed_Body --
|
||||
-----------------------
|
||||
|
|
|
|||
Loading…
Reference in New Issue