-- --
-- S p e c --
-- --
--- Copyright (C) 1992-2005, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2009, 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 2, or (at your option) any later ver- --
+-- 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 COPYING. If not, write --
--- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
--- Boston, MA 02110-1301, USA. --
+-- 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. --
In_Init_Proc : Boolean := False;
Enclos_Type : Entity_Id := Empty;
Discr_Map : Elist_Id := New_Elmt_List;
- With_Default_Init : Boolean := False) return List_Id;
- -- Builds a call to the initialization procedure of the Id entity. Id_Ref
- -- is either a new reference to Id (for record fields), or an indexed
- -- component (for array elements). Loc is the source location for the
- -- constructed tree, and Typ is the type of the entity (the initialization
- -- procedure of the base type is the procedure that actually gets called).
- -- In_Init_Proc has to be set to True when the call is itself in an init
- -- proc in order to enable the use of discriminals. Enclos_type is the type
- -- of the init proc and it is used for various expansion cases including
- -- the case where Typ is a task type which is a array component, the
- -- indices of the enclosing type are used to build the string that
- -- identifies each task at runtime.
+ With_Default_Init : Boolean := False;
+ Constructor_Ref : Node_Id := Empty) return List_Id;
+ -- Builds a call to the initialization procedure for the base type of Typ,
+ -- passing it the object denoted by Id_Ref, plus additional parameters as
+ -- appropriate for the type (the _Master, for task types, for example).
+ -- Loc is the source location for the constructed tree. In_Init_Proc has
+ -- to be set to True when the call is itself in an init proc in order to
+ -- enable the use of discriminals. Enclos_Type is the enclosing type when
+ -- initializing a component in an outer init proc, and it is used for
+ -- various expansion cases including the case where Typ is a task type
+ -- which is an array component, the indices of the enclosing type are
+ -- used to build the string that identifies each task at runtime.
--
-- Discr_Map is used to replace discriminants by their discriminals in
-- expressions used to constrain record components. In the presence of
-- Ada 2005 (AI-287): With_Default_Init is used to indicate that the
-- initialization call corresponds to a default initialized component
-- of an aggregate.
+ --
+ -- Constructor_Ref is a call to a constructor subprogram. It is currently
+ -- used only to support C++ constructors.
+
+ procedure Build_Master_Renaming (N : Node_Id; T : Entity_Id);
+ -- If the designated type of an access type is a task type or contains
+ -- tasks, we make sure that a _Master variable is declared in the current
+ -- scope, and then declare a renaming for it:
+ --
+ -- atypeM : Master_Id renames _Master;
+ --
+ -- where atyp is the name of the access type. This declaration is
+ -- used when an allocator for the access type is expanded. The node N
+ -- is the full declaration of the designated type that contains tasks.
+ -- The renaming declaration is inserted before N, and after the Master
+ -- declaration.
function Freeze_Type (N : Node_Id) return Boolean;
-- This function executes the freezing actions associated with the given
-- want Gigi to see the node. This function can't delete the node itself
-- since it would confuse any remaining processing of the freeze node.
+ procedure Init_Secondary_Tags
+ (Typ : Entity_Id;
+ Target : Node_Id;
+ Stmts_List : List_Id;
+ Fixed_Comps : Boolean := True;
+ Variable_Comps : Boolean := True);
+ -- Ada 2005 (AI-251): Initialize the tags of the secondary dispatch tables
+ -- of Typ. The generated code referencing tag fields of Target is appended
+ -- to Stmts_List. If Fixed_Comps is True then the tag components located at
+ -- fixed positions of Target are initialized; if Variable_Comps is True
+ -- then tags components located at variable positions of Target are
+ -- initialized.
+
function Needs_Simple_Initialization (T : Entity_Id) return Boolean;
-- Certain types need initialization even though there is no specific
-- initialization routine. In this category are access types (which need
function Get_Simple_Init_Val
(T : Entity_Id;
- Loc : Source_Ptr;
+ N : Node_Id;
Size : Uint := No_Uint) return Node_Id;
-- For a type which Needs_Simple_Initialization (see above), prepares the
- -- tree for an expression representing the required initial value. Loc is
- -- the source location used in constructing this tree which is returned as
- -- the result of the call. The Size parameter indicates the target size of
- -- the object if it is known (indicated by a value that is not No_Uint and
- -- is greater than zero). If Size is not given (Size set to No_Uint, or
- -- non-positive), then the Esize of T is used as an estimate of the Size.
- -- The object size is needed to prepare a known invalid value for use by
- -- Normalize_Scalars.
+ -- tree for an expression representing the required initial value. N is a
+ -- node whose source location used in constructing this tree which is
+ -- returned as the result of the call. The Size parameter indicates the
+ -- target size of the object if it is known (indicated by a value that is
+ -- not No_Uint and is greater than zero). If Size is not given (Size set to
+ -- No_Uint, or non-positive), then the Esize of T is used as an estimate of
+ -- the Size. The object size is needed to prepare a known invalid value for
+ -- use by Normalize_Scalars. A call to this routine where T is a scalar
+ -- type is only valid if we are in Normalize_Scalars or Initialize_Scalars
+ -- mode, or if N is the node for a 'Invalid_Value attribute node.
end Exp_Ch3;
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