-- --
-- B o d y --
-- --
--- Copyright (C) 1992-2006, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2008, 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. --
with Atree; use Atree;
with Einfo; use Einfo;
with Elists; use Elists;
+with Exp_Atag; use Exp_Atag;
with Exp_Strm; use Exp_Strm;
with Exp_Tss; use Exp_Tss;
with Exp_Util; use Exp_Util;
with Lib; use Lib;
-with Namet; use Namet;
with Nlists; use Nlists;
with Nmake; use Nmake;
with Opt; use Opt;
with Sem_Eval; use Sem_Eval;
with Sem_Util; use Sem_Util;
with Sinfo; use Sinfo;
-with Snames; use Snames;
with Stand; use Stand;
with Stringt; use Stringt;
with Tbuild; use Tbuild;
Vis_Decl : Node_Id;
All_Calls_Remote_E : Entity_Id;
Proxy_Object_Addr : out Entity_Id);
- -- Add the proxy type necessary to call the subprogram declared
- -- by Vis_Decl through a remote access to subprogram type.
- -- All_Calls_Remote_E must be Standard_True if a pragma All_Calls_Remote
- -- applies, Standard_False otherwise. The new proxy type is appended
- -- to Decls. Proxy_Object_Addr is a constant of type System.Address that
- -- designates an instance of the proxy object.
+ -- Add the proxy type required, on the receiving (server) side, to handle
+ -- calls to the subprogram declared by Vis_Decl through a remote access
+ -- to subprogram type. All_Calls_Remote_E must be Standard_True if a pragma
+ -- All_Calls_Remote applies, Standard_False otherwise. The new proxy type
+ -- is appended to Decls. Proxy_Object_Addr is a constant of type
+ -- System.Address that designates an instance of the proxy object.
function Build_Remote_Subprogram_Proxy_Type
(Loc : Source_Ptr;
-- tag fixup (Get_Unique_Remote_Pointer may have changed Pointer'Tag to
-- RACW_Stub_Type'Tag, while the desired tag is that of Stub_Type).
+ function Build_Stub_Tag
+ (Loc : Source_Ptr;
+ RACW_Type : Entity_Id) return Node_Id;
+ -- Return an expression denoting the tag of the stub type associated with
+ -- RACW_Type.
+
function Build_Subprogram_Calling_Stubs
(Vis_Decl : Node_Id;
Subp_Id : Node_Id;
-- the controlling formal of the equivalent RACW operation for a RAS
-- type is always left in first position.
+ function Transmit_As_Unconstrained (Typ : Entity_Id) return Boolean;
+ -- True when Typ is an unconstrained type, or a null-excluding access type.
+ -- In either case, this means stubs cannot contain a default-initialized
+ -- object declaration of such type.
+
procedure Add_Calling_Stubs_To_Declarations
(Pkg_Spec : Node_Id;
Decls : List_Id);
Equal => "=");
-- Mapping between a RCI subprogram and the corresponding calling stubs
+ function Get_Stub_Elements (RACW_Type : Entity_Id) return Stub_Structure;
+ -- Return the stub information associated with the given RACW type
+
procedure Add_Stub_Type
(Designated_Type : Entity_Id;
RACW_Type : Entity_Id;
RPC_Receiver_Decl : Node_Id;
Body_Decls : List_Id);
-- Add declaration for TSSs for a given RACW type. The declarations are
- -- added just after the declaration of the RACW type itself, while the
- -- bodies are inserted at the end of Body_Decls. Runtime-specific ancillary
- -- subprogram for Add_RACW_Features.
+ -- added just after the declaration of the RACW type itself. If the RACW
+ -- appears in the main unit, Body_Decls is a list of declarations to which
+ -- the bodies are appended. Else Body_Decls is No_List.
+ -- PCS-specific ancillary subprogram for Add_RACW_Features.
procedure Specific_Add_RAST_Features
(Vis_Decl : Node_Id;
type RPC_Target (PCS_Kind : PCS_Names) is record
case PCS_Kind is
when Name_PolyORB_DSA =>
- Object : Node_Id;
+ Object : Node_Id;
-- An expression whose value is a PolyORB reference to the target
-- object.
+
when others =>
- Partition : Entity_Id;
- -- A variable containing the Partition_ID of the target parition
+ Partition : Entity_Id;
+ -- A variable containing the Partition_ID of the target partition
RPC_Receiver : Node_Id;
-- An expression whose value is the address of the target RPC
-- Support for generating DSA code that uses the GARLIC PCS
- -- The subprograms below provide the GARLIC versions of
- -- the corresponding Specific_<subprogram> routine declared
- -- above.
+ -- The subprograms below provide the GARLIC versions of the
+ -- corresponding Specific_<subprogram> routine declared above.
procedure Add_RACW_Features
(RACW_Type : Entity_Id;
Controlling_Parameter : Entity_Id) return RPC_Target;
procedure Build_Stub_Type
- (RACW_Type : Entity_Id;
- Stub_Type : Entity_Id;
+ (RACW_Type : Entity_Id;
+ Stub_Type : Entity_Id;
Stub_Type_Decl : out Node_Id;
RPC_Receiver_Decl : out Node_Id);
-- Support for generating DSA code that uses the PolyORB PCS
- -- The subprograms below provide the PolyORB versions of
- -- the corresponding Specific_<subprogram> routine declared
- -- above.
+ -- The subprograms below provide the PolyORB versions of the
+ -- corresponding Specific_<subprogram> routine declared above.
procedure Add_RACW_Features
(RACW_Type : Entity_Id;
package Helpers is
- -- Routines to build distribtion helper subprograms for user-defined
+ -- Routines to build distribution helper subprograms for user-defined
-- types. For implementation of the Distributed systems annex (DSA)
-- over the PolyORB generic middleware components, it is necessary to
-- generate several supporting subprograms for each application data
-- type used in inter-partition communication. These subprograms are:
- -- * a Typecode function returning a high-level description of the
- -- type's structure;
- -- * two conversion functions allowing conversion of values of the
- -- type from and to the generic data containers used by PolyORB.
- -- These generic containers are called 'Any' type values after
- -- the CORBA terminology, and hence the conversion subprograms
- -- are named To_Any and From_Any.
+
+ -- A Typecode function returning a high-level description of the
+ -- type's structure;
+
+ -- Two conversion functions allowing conversion of values of the
+ -- type from and to the generic data containers used by PolyORB.
+ -- These generic containers are called 'Any' type values after the
+ -- CORBA terminology, and hence the conversion subprograms are
+ -- named To_Any and From_Any.
function Build_From_Any_Call
(Typ : Entity_Id;
end PolyORB_Support;
+ -- The following PolyORB-specific subprograms are made visible to Exp_Attr:
+
+ function Build_From_Any_Call
+ (Typ : Entity_Id;
+ N : Node_Id;
+ Decls : List_Id) return Node_Id
+ renames PolyORB_Support.Helpers.Build_From_Any_Call;
+
+ function Build_To_Any_Call
+ (N : Node_Id;
+ Decls : List_Id) return Node_Id
+ renames PolyORB_Support.Helpers.Build_To_Any_Call;
+
+ function Build_TypeCode_Call
+ (Loc : Source_Ptr;
+ Typ : Entity_Id;
+ Decls : List_Id) return Node_Id
+ renames PolyORB_Support.Helpers.Build_TypeCode_Call;
+
------------------------------------
-- Local variables and structures --
------------------------------------
-- Subprogram id 0 is reserved for calls received from
-- remote access-to-subprogram dereferences.
- Current_Declaration : Node_Id;
- Loc : constant Source_Ptr := Sloc (Pkg_Spec);
- RCI_Instantiation : Node_Id;
- Subp_Stubs : Node_Id;
- Subp_Str : String_Id;
+ Current_Declaration : Node_Id;
+ Loc : constant Source_Ptr := Sloc (Pkg_Spec);
+ RCI_Instantiation : Node_Id;
+ Subp_Stubs : Node_Id;
+ Subp_Str : String_Id;
+
+ pragma Warnings (Off, Subp_Str);
begin
-- The first thing added is an instantiation of the generic package
- -- System.Partition_Interface.RCI_Locator with the name of this
- -- remote package. This will act as an interface with the name server
- -- to determine the Partition_ID and the RPC_Receiver for the
- -- receiver of this package.
+ -- System.Partition_Interface.RCI_Locator with the name of this remote
+ -- package. This will act as an interface with the name server to
+ -- determine the Partition_ID and the RPC_Receiver for the receiver
+ -- of this package.
RCI_Instantiation := RCI_Package_Locator (Loc, Pkg_Spec);
RCI_Cache := Defining_Unit_Name (RCI_Instantiation);
Append_To (Decls, RCI_Instantiation);
Analyze (RCI_Instantiation);
- -- For each subprogram declaration visible in the spec, we do
- -- build a body. We also increment a counter to assign a different
- -- Subprogram_Id to each subprograms. The receiving stubs processing
- -- do use the same mechanism and will thus assign the same Id and
- -- do the correct dispatching.
+ -- For each subprogram declaration visible in the spec, we do build a
+ -- body. We also increment a counter to assign a different Subprogram_Id
+ -- to each subprograms. The receiving stubs processing do use the same
+ -- mechanism and will thus assign the same Id and do the correct
+ -- dispatching.
Overload_Counter_Table.Reset;
PolyORB_Support.Reserve_NamingContext_Methods;
Current_Declaration := First (Visible_Declarations (Pkg_Spec));
-
while Present (Current_Declaration) loop
if Nkind (Current_Declaration) = N_Subprogram_Declaration
and then Comes_From_Source (Current_Declaration)
then
- Assign_Subprogram_Identifier (
- Defining_Unit_Name (Specification (Current_Declaration)),
- Current_Subprogram_Number,
- Subp_Str);
+ Assign_Subprogram_Identifier
+ (Defining_Unit_Name (Specification (Current_Declaration)),
+ Current_Subprogram_Number,
+ Subp_Str);
Subp_Stubs :=
Build_Subprogram_Calling_Stubs (
(Loc : Source_Ptr;
Parameter : Entity_Id;
Constrained : Boolean) return Node_Id;
- -- Return an expression that denotes the parameter passing
- -- mode to be used for Parameter in distribution stubs,
- -- where Constrained is Parameter's constrained status.
+ -- Return an expression that denotes the parameter passing mode to be
+ -- used for Parameter in distribution stubs, where Constrained is
+ -- Parameter's constrained status.
----------------------------
-- Parameter_Passing_Mode --
if Nkind (Parameter) = N_Defining_Identifier then
Get_Name_String (Chars (Parameter));
else
- Get_Name_String (Chars (Defining_Identifier
- (Parameter)));
+ Get_Name_String (Chars (Defining_Identifier (Parameter)));
end if;
Parameter_Name_String := String_From_Name_Buffer;
Parameter_Mode := New_Occurrence_Of (RTE (RE_Mode_In), Loc);
else
- Parameter_Mode := Parameter_Passing_Mode (Loc,
- Parameter, Constrained);
+ Parameter_Mode :=
+ Parameter_Passing_Mode (Loc, Parameter, Constrained);
end if;
return
Existing : Boolean;
-- True when appropriate stubs have already been generated (this is the
-- case when another RACW with the same designated type has already been
- -- encountered, in which case we reuse the previous stubs rather than
- -- generating new ones).
+ -- encountered), in which case we reuse the previous stubs rather than
+ -- generating new ones.
begin
if not Expander_Active then
Body_Decls => Body_Decls,
Existing => Existing);
+ -- If this RACW is not in the main unit, do not generate primitive or
+ -- TSS bodies.
+
+ if not Entity_Is_In_Main_Unit (RACW_Type) then
+ Body_Decls := No_List;
+ end if;
+
Add_RACW_Asynchronous_Flag
(Declarations => Decls,
RACW_Type => RACW_Type);
RPC_Receiver_Decl => RPC_Receiver_Decl,
Body_Decls => Body_Decls);
- if not Same_Scope and then not Existing then
+ -- If we already have stubs for this designated type, nothing to do
- -- The RACW has been declared in another scope than the designated
- -- type and has not been handled by another RACW in the same package
- -- as the first one, so add primitives for the stub type here.
+ if Existing then
+ return;
+ end if;
+ if Is_Frozen (Desig) then
Validate_RACW_Primitives (RACW_Type);
Add_RACW_Primitive_Declarations_And_Bodies
(Designated_Type => Desig,
Body_Decls => Body_Decls);
else
- -- Validate_RACW_Primitives will be called when the designated type
- -- is frozen, see Exp_Ch3.Freeze_Type.
- -- ??? Shouldn't we have a pragma Assert (not Is_Frozen (Desig))?
+ -- Validate_RACW_Primitives requires the list of all primitives of
+ -- the designated type, so defer processing until Desig is frozen.
+ -- See Exp_Ch3.Freeze_Type.
Add_Access_Type_To_Process (E => Desig, A => RACW_Type);
end if;
Current_Primitive_Spec : Node_Id;
Current_Primitive_Decl : Node_Id;
Current_Primitive_Number : Int := 0;
-
- Current_Primitive_Alias : Node_Id;
-
- Current_Receiver : Entity_Id;
- Current_Receiver_Body : Node_Id;
-
- RPC_Receiver_Decl : Node_Id;
-
- Possibly_Asynchronous : Boolean;
+ Current_Primitive_Alias : Node_Id;
+ Current_Receiver : Entity_Id;
+ Current_Receiver_Body : Node_Id;
+ RPC_Receiver_Decl : Node_Id;
+ Possibly_Asynchronous : Boolean;
begin
if not Expander_Active then
end if;
if not Is_RAS then
- RPC_Receiver := Make_Defining_Identifier (Loc,
- New_Internal_Name ('P'));
- Specific_Build_RPC_Receiver_Body (
- RPC_Receiver => RPC_Receiver,
- Request => RPC_Receiver_Request,
- Subp_Id => RPC_Receiver_Subp_Id,
- Subp_Index => RPC_Receiver_Subp_Index,
- Stmts => RPC_Receiver_Statements,
- Decl => RPC_Receiver_Decl);
+ RPC_Receiver :=
+ Make_Defining_Identifier (Loc,
+ Chars => New_Internal_Name ('P'));
+
+ Specific_Build_RPC_Receiver_Body
+ (RPC_Receiver => RPC_Receiver,
+ Request => RPC_Receiver_Request,
+ Subp_Id => RPC_Receiver_Subp_Id,
+ Subp_Index => RPC_Receiver_Subp_Index,
+ Stmts => RPC_Receiver_Statements,
+ Decl => RPC_Receiver_Decl);
if Get_PCS_Name = Name_PolyORB_DSA then
Current_Primitive := Node (Current_Primitive_Elmt);
-- Copy the primitive of all the parents, except predefined ones
- -- that are not remotely dispatching.
+ -- that are not remotely dispatching. Also omit hidden primitives
+ -- (occurs in the case of primitives of interface progenitors
+ -- other than immediate ancestors of the Designated_Type).
if Chars (Current_Primitive) /= Name_uSize
and then Chars (Current_Primitive) /= Name_uAlignment
- and then not Is_TSS (Current_Primitive, TSS_Deep_Finalize)
+ and then not
+ (Is_TSS (Current_Primitive, TSS_Deep_Finalize) or else
+ Is_TSS (Current_Primitive, TSS_Stream_Input) or else
+ Is_TSS (Current_Primitive, TSS_Stream_Output) or else
+ Is_TSS (Current_Primitive, TSS_Stream_Read) or else
+ Is_TSS (Current_Primitive, TSS_Stream_Write))
+ and then not Is_Hidden (Current_Primitive)
then
-- The first thing to do is build an up-to-date copy of the
-- spec with all the formals referencing Designated_Type
RACW_Type => Stub_Elements.RACW_Type);
Append_To (Body_Decls, Current_Primitive_Body);
- -- Analyzing the body here would cause the Stub type to be
- -- frozen, thus preventing subsequent primitive
- -- declarations. For this reason, it will be analyzed later
- -- in the regular flow (and in the context of the
+ -- Analyzing the body here would cause the Stub type to
+ -- be frozen, thus preventing subsequent primitive
+ -- declarations. For this reason, it will be analyzed
+ -- later in the regular flow (and in the context of the
-- appropriate unit body, see Append_RACW_Bodies).
end if;
Parameter_Associations => New_List (
New_Occurrence_Of (RPC_Receiver_Subp_Id, Loc),
Make_String_Literal (Loc, Subp_Str))),
+
Then_Statements => New_List (
Make_Assignment_Statement (Loc,
Name => New_Occurrence_Of (
RPC_Receiver_Subp_Index, Loc),
Expression =>
Make_Integer_Literal (Loc,
- Current_Primitive_Number)))));
+ Intval => Current_Primitive_Number)))));
end if;
Append_To (RPC_Receiver_Case_Alternatives,
procedure Add_RAS_Dereference_TSS (N : Node_Id) is
Loc : constant Source_Ptr := Sloc (N);
- Type_Def : constant Node_Id := Type_Definition (N);
-
+ Type_Def : constant Node_Id := Type_Definition (N);
RAS_Type : constant Entity_Id := Defining_Identifier (N);
Fat_Type : constant Entity_Id := Equivalent_Type (RAS_Type);
RACW_Type : constant Entity_Id := Underlying_RACW_Type (RAS_Type);
- Desig : constant Entity_Id := Etype (Designated_Type (RACW_Type));
-
- Stub_Elements : constant Stub_Structure := Stubs_Table.Get (Desig);
- pragma Assert (Stub_Elements /= Empty_Stub_Structure);
RACW_Primitive_Name : Node_Id;
-- Generate a dummy body. This code will never actually be executed,
-- because null is the only legal value for a degenerate RAS type.
- -- For legality's sake (in order to avoid generating a function
- -- that does not contain a return statement), we include a dummy
- -- recursive call on the TSS itself.
+ -- For legality's sake (in order to avoid generating a function that
+ -- does not contain a return statement), we include a dummy recursive
+ -- call on the TSS itself.
Append_To (Stmts,
Make_Raise_Program_Error (Loc, Reason => PE_Explicit_Raise));
if Is_Function then
Append_To (Stmts,
- Make_Return_Statement (Loc,
+ Make_Simple_Return_Statement (Loc,
Expression =>
Make_Function_Call (Loc,
Name => RACW_Primitive_Name,
Subp_Name : constant Entity_Id :=
Defining_Unit_Name (Specification (Vis_Decl));
- Pkg_Name : constant Entity_Id :=
- Make_Defining_Identifier (Loc,
- Chars =>
- New_External_Name (Chars (Subp_Name), 'P', -1));
+ Pkg_Name : constant Entity_Id :=
+ Make_Defining_Identifier (Loc,
+ Chars => New_External_Name (Chars (Subp_Name), 'P', -1));
Proxy_Type : constant Entity_Id :=
Make_Defining_Identifier (Loc,
Chars =>
- New_External_Name (
- Related_Id => Chars (Subp_Name),
- Suffix => 'P'));
+ New_External_Name
+ (Related_Id => Chars (Subp_Name),
+ Suffix => 'P'));
Proxy_Type_Full_View : constant Entity_Id :=
Make_Defining_Identifier (Loc,
Append_To (Vis_Decls,
Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Proxy_Object_Addr,
- Constant_Present =>
- True,
- Object_Definition =>
- New_Occurrence_Of (RTE (RE_Address), Loc)));
+ Defining_Identifier => Proxy_Object_Addr,
+ Constant_Present => True,
+ Object_Definition => New_Occurrence_Of (RTE (RE_Address), Loc)));
-- private
Append_To (Pvt_Decls,
Make_Full_Type_Declaration (Loc,
- Defining_Identifier =>
- Proxy_Type_Full_View,
+ Defining_Identifier => Proxy_Type_Full_View,
Type_Definition =>
Build_Remote_Subprogram_Proxy_Type (Loc,
New_Occurrence_Of (All_Calls_Remote_E, Loc))));
if Nkind (Subp_Decl_Spec) = N_Procedure_Specification then
Perform_Call :=
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (Subp_Name, Loc),
- Parameter_Associations =>
- Actuals);
+ Name => New_Occurrence_Of (Subp_Name, Loc),
+ Parameter_Associations => Actuals);
else
Perform_Call :=
- Make_Return_Statement (Loc,
+ Make_Simple_Return_Statement (Loc,
Expression =>
- Make_Function_Call (Loc,
- Name =>
- New_Occurrence_Of (Subp_Name, Loc),
- Parameter_Associations =>
- Actuals));
+ Make_Function_Call (Loc,
+ Name => New_Occurrence_Of (Subp_Name, Loc),
+ Parameter_Associations => Actuals));
end if;
Formal := First (Parameter_Specifications (Subp_Decl_Spec));
Append_To (Pvt_Decls,
Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Make_Defining_Identifier (Loc,
- Name_uO),
- Aliased_Present =>
- True,
- Object_Definition =>
- New_Occurrence_Of (Proxy_Type, Loc)));
+ Defining_Identifier => Make_Defining_Identifier (Loc, Name_uO),
+ Aliased_Present => True,
+ Object_Definition => New_Occurrence_Of (Proxy_Type, Loc)));
-- A : constant System.Address := O'Address;
Append_To (Pvt_Decls,
Make_Object_Declaration (Loc,
Defining_Identifier =>
- Make_Defining_Identifier (Loc,
- Chars (Proxy_Object_Addr)),
- Constant_Present =>
- True,
- Object_Definition =>
- New_Occurrence_Of (RTE (RE_Address), Loc),
+ Make_Defining_Identifier (Loc, Chars (Proxy_Object_Addr)),
+ Constant_Present => True,
+ Object_Definition => New_Occurrence_Of (RTE (RE_Address), Loc),
Expression =>
Make_Attribute_Reference (Loc,
Prefix => New_Occurrence_Of (
Defining_Identifier (Last (Pvt_Decls)), Loc),
- Attribute_Name =>
- Name_Address)));
+ Attribute_Name => Name_Address)));
Append_To (Decls,
Make_Package_Declaration (Loc,
Append_To (Decls,
Make_Package_Body (Loc,
Defining_Unit_Name =>
- Make_Defining_Identifier (Loc,
- Chars (Pkg_Name)),
+ Make_Defining_Identifier (Loc, Chars (Pkg_Name)),
Declarations => New_List (
Make_Subprogram_Body (Loc,
- Specification =>
- Subp_Body_Spec,
+ Specification => Subp_Body_Spec,
Declarations => New_List,
Handled_Statement_Sequence =>
Make_Handled_Sequence_Of_Statements (Loc,
return;
end if;
- Existing := False;
- Stub_Type :=
- Make_Defining_Identifier (Loc, New_Internal_Name ('S'));
+ Existing := False;
+ Stub_Type :=
+ Make_Defining_Identifier (Loc,
+ Chars => New_Internal_Name ('S'));
+ Set_Ekind (Stub_Type, E_Record_Type);
+ Set_Is_RACW_Stub_Type (Stub_Type);
Stub_Type_Access :=
Make_Defining_Identifier (Loc,
- New_External_Name (
- Related_Id => Chars (Stub_Type),
- Suffix => 'A'));
+ Chars => New_External_Name
+ (Related_Id => Chars (Stub_Type), Suffix => 'A'));
- Specific_Build_Stub_Type (
- RACW_Type, Stub_Type,
- Stub_Type_Decl, RPC_Receiver_Decl);
+ Specific_Build_Stub_Type
+ (RACW_Type, Stub_Type,
+ Stub_Type_Decl, RPC_Receiver_Decl);
Stub_Type_Access_Decl :=
Make_Full_Type_Declaration (Loc,
procedure Append_RACW_Bodies (Decls : List_Id; Spec_Id : Entity_Id) is
E : Entity_Id;
-
begin
E := First_Entity (Spec_Id);
while Present (E) loop
-- We have an unconstrained Etyp: build the actual constrained
-- subtype for the value we just read from the stream.
- -- su
ubtype S is <actual subtype of Constant_Object>;
+ -- subtype S is <actual subtype of Constant_Object>;
Append_To (Decls,
Build_Actual_Subtype (Etyp,
Chars => Name_Address,
Expression =>
Make_Attribute_Reference (Loc,
- Prefix =>
- New_Occurrence_Of (Constant_Object, Loc),
- Attribute_Name =>
- Name_Address)));
+ Prefix => New_Occurrence_Of (Constant_Object, Loc),
+ Attribute_Name => Name_Address)));
end;
end if;
Make_Object_Declaration (Loc,
Defining_Identifier => Object,
Constant_Present => Present (Expr) and then not Variable,
- Object_Definition =>
- New_Occurrence_Of (Etyp, Loc),
+ Object_Definition => New_Occurrence_Of (Etyp, Loc),
Expression => Expr));
if Constant_Present (Last (Decls)) then
Make_Assignment_Statement (Loc,
Name =>
Make_Selected_Component (Loc,
- Prefix =>
- New_Occurrence_Of (Pointer, Loc),
+ Prefix => New_Occurrence_Of (Pointer, Loc),
Selector_Name =>
New_Occurrence_Of (First_Tag_Component
(Designated_Type (Etype (Pointer))), Loc)),
Expression =>
Make_Attribute_Reference (Loc,
- Prefix =>
- New_Occurrence_Of (Stub_Type, Loc),
- Attribute_Name =>
- Name_Tag)));
+ Prefix => New_Occurrence_Of (Stub_Type, Loc),
+ Attribute_Name => Name_Tag)));
-- Note: The assignment to Pointer._Tag is safe here because
-- we carefully ensured that Stub_Type has exactly the same layout
Constrained_List : List_Id;
Unconstrained_List : List_Id;
Current_Parameter : Node_Id;
+ Ptyp : Node_Id;
First_Parameter : Node_Id;
For_RAS : Boolean := False;
For_RAS := True;
end if;
- -- Loop through the parameters and add them to the right list
+ -- Loop through the parameters and add them to the right list. Note that
+ -- we treat a parameter of a null-excluding access type as unconstrained
+ -- because we can't declare an object of such a type with default
+ -- initialization.
Current_Parameter := First_Parameter;
while Present (Current_Parameter) loop
- if (Nkind (Parameter_Type (Current_Parameter)) = N_Access_Definition
- or else
- Is_Constrained (Etype (Parameter_Type (Current_Parameter)))
- or else
- Is_Elementary_Type (Etype (Parameter_Type (Current_Parameter))))
+ Ptyp := Parameter_Type (Current_Parameter);
+
+ if (Nkind (Ptyp) = N_Access_Definition
+ or else not Transmit_As_Unconstrained (Etype (Ptyp)))
and then not (For_RAS and then Current_Parameter = First_Parameter)
then
Append_To (Constrained_List, New_Copy (Current_Parameter));
Make_Attribute_Reference (Loc,
Prefix =>
New_Occurrence_Of (Defining_Entity (Pkg_Spec), Loc),
- Attribute_Name =>
- Name_Version)));
+ Attribute_Name => Name_Version)));
Append_To (L, Reg);
Analyze (Reg);
end Build_Passive_Partition_Stub;
New_Occurrence_Of (RTE (RE_Subprogram_Id), Loc))))));
end Build_Remote_Subprogram_Proxy_Type;
+ --------------------
+ -- Build_Stub_Tag --
+ --------------------
+
+ function Build_Stub_Tag
+ (Loc : Source_Ptr;
+ RACW_Type : Entity_Id) return Node_Id
+ is
+ Stub_Type : constant Entity_Id := Corresponding_Stub_Type (RACW_Type);
+ begin
+ return
+ Make_Attribute_Reference (Loc,
+ Prefix => New_Occurrence_Of (Stub_Type, Loc),
+ Attribute_Name => Name_Tag);
+ end Build_Stub_Tag;
+
------------------------------------
-- Build_Subprogram_Calling_Stubs --
------------------------------------
Current_Subp_Str : String_Id;
Current_Subp_Number : Int := First_RCI_Subprogram_Id;
+ pragma Warnings (Off, Current_Subp_Str);
+
begin
-- Build_Subprogram_Id is called outside of the context of
-- generating calling or receiving stubs. Hence we are processing
Append_To (Stmts,
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_NVList_Create), Loc),
+ Name => New_Occurrence_Of (RTE (RE_NVList_Create), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (NVList, Loc))));
end Declare_Create_NVList;
begin
if Ekind (Scop) = E_Package_Body then
- New_Scope (Spec_Entity (Scop));
+ Push_Scope (Spec_Entity (Scop));
elsif Ekind (Scop) = E_Subprogram_Body then
- New_Scope
+ Push_Scope
(Corresponding_Spec (Unit_Declaration_Node (Scop)));
else
- New_Scope (Scop);
+ Push_Scope (Scop);
end if;
Analyze (RCI_Locator);
Spec : constant Node_Id := Specification (Unit_Node);
Decls : constant List_Id := Visible_Declarations (Spec);
begin
- New_Scope (Scope_Of_Spec (Spec));
+ Push_Scope (Scope_Of_Spec (Spec));
Add_Calling_Stubs_To_Declarations
(Specification (Unit_Node), Decls);
Pop_Scope;
-----------------------------------
procedure Expand_Receiving_Stubs_Bodies (Unit_Node : Node_Id) is
- Spec : Node_Id;
- Decls : List_Id;
- Temp : List_Id;
+ Spec : Node_Id;
+ Decls : List_Id;
+ Stubs_Decls : List_Id;
+ Stubs_Stmts : List_Id;
begin
if Nkind (Unit_Node) = N_Package_Declaration then
Decls := Visible_Declarations (Spec);
end if;
- New_Scope (Scope_Of_Spec (Spec));
- Specific_Add_Receiving_Stubs_To_Declarations
- (Spec, Decls, Decls);
+ Push_Scope (Scope_Of_Spec (Spec));
+ Specific_Add_Receiving_Stubs_To_Declarations (Spec, Decls, Decls);
+
else
- Spec :=
+ Spec :=
Package_Specification_Of_Scope (Corresponding_Spec (Unit_Node));
Decls := Declarations (Unit_Node);
- New_Scope (Scope_Of_Spec (Unit_Node));
- Temp := New_List;
+ Push_Scope (Scope_Of_Spec (Unit_Node));
+ Stubs_Decls := New_List;
+ Stubs_Stmts := New_List;
Specific_Add_Receiving_Stubs_To_Declarations
- (Spec, Temp, Statements (Handled_Statement_Sequence (Unit_Node)));
- Insert_List_Before (First (Decls), Temp);
+ (Spec, Stubs_Decls, Stubs_Stmts);
+
+ Insert_List_Before (First (Decls), Stubs_Decls);
+
+ declare
+ HSS_Stmts : constant List_Id :=
+ Statements (Handled_Statement_Sequence (Unit_Node));
+
+ First_HSS_Stmt : constant Node_Id := First (HSS_Stmts);
+
+ begin
+ if No (First_HSS_Stmt) then
+ Append_List_To (HSS_Stmts, Stubs_Stmts);
+ else
+ Insert_List_Before (First_HSS_Stmt, Stubs_Stmts);
+ end if;
+ end;
end if;
Pop_Scope;
Body_Decls : List_Id);
-- Add Read attribute for the RACW type. The declaration and attribute
-- definition clauses are inserted right after the declaration of
- -- RACW_Type, while the subprogram body is appended to Body_Decls.
+ -- RACW_Type. If Body_Decls is not No_List, the subprogram body is
+ -- appended to it (case where the RACW declaration is in the main unit).
procedure Add_RACW_Write_Attribute
(RACW_Type : Entity_Id;
(Loc : Source_Ptr;
Decls : List_Id;
RPC_Receiver : Entity_Id;
- Stub_Elements : Stub_Structure) is
+ Stub_Elements : Stub_Structure)
+ is
begin
-- The RPC receiver body should not be the completion of the
-- declaration recorded in the stub structure, because then the
Attribute_Name => Name_Address);
end if;
- Add_RACW_Write_Attribute (
- RACW_Type,
- Stub_Type,
- Stub_Type_Access,
- RPC_Receiver,
- Body_Decls);
-
- Add_RACW_Read_Attribute (
- RACW_Type,
- Stub_Type,
- Stub_Type_Access,
- Body_Decls);
+ Add_RACW_Write_Attribute
+ (RACW_Type,
+ Stub_Type,
+ Stub_Type_Access,
+ RPC_Receiver,
+ Body_Decls);
+
+ Add_RACW_Read_Attribute
+ (RACW_Type,
+ Stub_Type,
+ Stub_Type_Access,
+ Body_Decls);
end Add_RACW_Features;
-----------------------------
Body_Node : Node_Id;
+ Statements : constant List_Id := New_List;
Decls : List_Id;
- Statements : List_Id;
Local_Statements : List_Id;
Remote_Statements : List_Id;
-- Various parts of the procedure
- Procedure_Name : constant Name_Id :=
- New_Internal_Name ('R');
- Source_Partition : constant Entity_Id :=
- Make_Defining_Identifier
- (Loc, New_Internal_Name ('P'));
- Source_Receiver : constant Entity_Id :=
- Make_Defining_Identifier
- (Loc, New_Internal_Name ('S'));
- Source_Address : constant Entity_Id :=
- Make_Defining_Identifier
- (Loc, New_Internal_Name ('P'));
- Local_Stub : constant Entity_Id :=
- Make_Defining_Identifier
- (Loc, New_Internal_Name ('L'));
- Stubbed_Result : constant Entity_Id :=
+ Pnam : constant Entity_Id :=
Make_Defining_Identifier
- (Loc, New_Internal_Name ('S'));
+ (Loc, New_Internal_Name ('R'));
Asynchronous_Flag : constant Entity_Id :=
Asynchronous_Flags_Table.Get (RACW_Type);
pragma Assert (Present (Asynchronous_Flag));
+ -- Prepare local identifiers
+
+ Source_Partition : Entity_Id;
+ Source_Receiver : Entity_Id;
+ Source_Address : Entity_Id;
+ Local_Stub : Entity_Id;
+ Stubbed_Result : Entity_Id;
+
-- Start of processing for Add_RACW_Read_Attribute
begin
+ Build_Stream_Procedure (Loc,
+ RACW_Type, Body_Node, Pnam, Statements, Outp => True);
+ Proc_Decl := Make_Subprogram_Declaration (Loc,
+ Copy_Specification (Loc, Specification (Body_Node)));
+
+ Attr_Decl :=
+ Make_Attribute_Definition_Clause (Loc,
+ Name => New_Occurrence_Of (RACW_Type, Loc),
+ Chars => Name_Read,
+ Expression =>
+ New_Occurrence_Of (
+ Defining_Unit_Name (Specification (Proc_Decl)), Loc));
+
+ Insert_After (Declaration_Node (RACW_Type), Proc_Decl);
+ Insert_After (Proc_Decl, Attr_Decl);
+
+ if No (Body_Decls) then
+
+ -- Case of processing an RACW type from another unit than the
+ -- main one: do not generate a body.
+
+ return;
+ end if;
+
+ -- Prepare local identifiers
+
+ Source_Partition :=
+ Make_Defining_Identifier (Loc, New_Internal_Name ('P'));
+ Source_Receiver :=
+ Make_Defining_Identifier (Loc, New_Internal_Name ('S'));
+ Source_Address :=
+ Make_Defining_Identifier (Loc, New_Internal_Name ('P'));
+ Local_Stub :=
+ Make_Defining_Identifier (Loc, New_Internal_Name ('L'));
+ Stubbed_Result :=
+ Make_Defining_Identifier (Loc, New_Internal_Name ('S'));
+
-- Generate object declarations
Decls := New_List (
-- Read the source Partition_ID and RPC_Receiver from incoming stream
- Statements := New_List (
+ Append_List_To (Statements, New_List (
Make_Attribute_Reference (Loc,
Prefix =>
New_Occurrence_Of (RTE (RE_Partition_ID), Loc),
Name_Read,
Expressions => New_List (
Stream_Parameter,
- New_Occurrence_Of (Source_Address, Loc))));
+ New_Occurrence_Of (Source_Address, Loc)))));
-- Build_Get_Unique_RP_Call needs the type of Stubbed_Result
Set_Etype (Stubbed_Result, Stub_Type_Access);
- -- If the Address is Null_Address, then return a null object
+ -- If the Address is Null_Address, then return a null object, unless
+ -- RACW_Type is null-excluding, in which case unconditionally raise
+ -- CONSTRAINT_ERROR instead.
- Append_To (Statements,
- Make_Implicit_If_Statement (RACW_Type,
- Condition =>
- Make_Op_Eq (Loc,
- Left_Opnd => New_Occurrence_Of (Source_Address, Loc),
- Right_Opnd => Make_Integer_Literal (Loc, Uint_0)),
- Then_Statements => New_List (
- Make_Assignment_Statement (Loc,
- Name => Result,
- Expression => Make_Null (Loc)),
- Make_Return_Statement (Loc))));
+ declare
+ Zero_Statements : List_Id;
+ -- Statements executed when a zero value is received
+
+ begin
+ if Can_Never_Be_Null (RACW_Type) then
+ Zero_Statements := New_List (
+ Make_Raise_Constraint_Error (Loc,
+ Reason => CE_Null_Not_Allowed));
+ else
+ Zero_Statements := New_List (
+ Make_Assignment_Statement (Loc,
+ Name => Result,
+ Expression => Make_Null (Loc)),
+ Make_Simple_Return_Statement (Loc));
+ end if;
+
+ Append_To (Statements,
+ Make_Implicit_If_Statement (RACW_Type,
+ Condition =>
+ Make_Op_Eq (Loc,
+ Left_Opnd => New_Occurrence_Of (Source_Address, Loc),
+ Right_Opnd => Make_Integer_Literal (Loc, Uint_0)),
+ Then_Statements => Zero_Statements));
+ end;
-- If the RACW denotes an object created on the current partition,
-- Local_Statements will be executed. The real object will be used.
Then_Statements => Local_Statements,
Else_Statements => Remote_Statements));
- Build_Stream_Procedure
- (Loc, RACW_Type, Body_Node,
- Make_Defining_Identifier (Loc, Procedure_Name),
- Statements, Outp => True);
Set_Declarations (Body_Node, Decls);
-
- Proc_Decl := Make_Subprogram_Declaration (Loc,
- Copy_Specification (Loc, Specification (Body_Node)));
-
- Attr_Decl :=
- Make_Attribute_Definition_Clause (Loc,
- Name => New_Occurrence_Of (RACW_Type, Loc),
- Chars => Name_Read,
- Expression =>
- New_Occurrence_Of (
- Defining_Unit_Name (Specification (Proc_Decl)), Loc));
-
- Insert_After (Declaration_Node (RACW_Type), Proc_Decl);
- Insert_After (Proc_Decl, Attr_Decl);
Append_To (Body_Decls, Body_Node);
end Add_RACW_Read_Attribute;
Proc_Decl : Node_Id;
Attr_Decl : Node_Id;
- Statements : List_Id;
+ Statements : constant List_Id := New_List;
Local_Statements : List_Id;
Remote_Statements : List_Id;
Null_Statements : List_Id;
- Procedure_Name : constant Name_Id := New_Internal_Name ('R');
+ Pnam : constant Entity_Id :=
+ Make_Defining_Identifier (Loc, New_Internal_Name ('R'));
begin
+ Build_Stream_Procedure
+ (Loc, RACW_Type, Body_Node, Pnam, Statements, Outp => False);
+
+ Proc_Decl := Make_Subprogram_Declaration (Loc,
+ Copy_Specification (Loc, Specification (Body_Node)));
+
+ Attr_Decl :=
+ Make_Attribute_Definition_Clause (Loc,
+ Name => New_Occurrence_Of (RACW_Type, Loc),
+ Chars => Name_Write,
+ Expression =>
+ New_Occurrence_Of (
+ Defining_Unit_Name (Specification (Proc_Decl)), Loc));
+
+ Insert_After (Declaration_Node (RACW_Type), Proc_Decl);
+ Insert_After (Proc_Decl, Attr_Decl);
+
+ if No (Body_Decls) then
+ return;
+ end if;
+
-- Build the code fragment corresponding to the marshalling of a
-- local object.
-- a remote object.
Remote_Statements := New_List (
-
Pack_Node_Into_Stream_Access (Loc,
- Stream => Stream_Parameter,
- Object =>
+ Stream => Stream_Parameter,
+ Object =>
Make_Selected_Component (Loc,
- Prefix => Unchecked_Convert_To (Stub_Type_Access,
- Object),
- Selector_Name =>
- Make_Identifier (Loc, Name_Origin)),
- Etyp => RTE (RE_Partition_ID)),
+ Prefix =>
+ Unchecked_Convert_To (Stub_Type_Access, Object),
+ Selector_Name => Make_Identifier (Loc, Name_Origin)),
+ Etyp => RTE (RE_Partition_ID)),
Pack_Node_Into_Stream_Access (Loc,
Stream => Stream_Parameter,
Object =>
Make_Selected_Component (Loc,
- Prefix => Unchecked_Convert_To (Stub_Type_Access,
- Object),
- Selector_Name =>
- Make_Identifier (Loc, Name_Receiver)),
+ Prefix =>
+ Unchecked_Convert_To (Stub_Type_Access, Object),
+ Selector_Name => Make_Identifier (Loc, Name_Receiver)),
Etyp => RTE (RE_Unsigned_64)),
Pack_Node_Into_Stream_Access (Loc,
Stream => Stream_Parameter,
Object =>
Make_Selected_Component (Loc,
- Prefix => Unchecked_Convert_To (Stub_Type_Access,
- Object),
- Selector_Name =>
- Make_Identifier (Loc, Name_Addr)),
+ Prefix =>
+ Unchecked_Convert_To (Stub_Type_Access, Object),
+ Selector_Name => Make_Identifier (Loc, Name_Addr)),
Etyp => RTE (RE_Unsigned_64)));
-- Build code fragment corresponding to marshalling of a null object
Object => Make_Integer_Literal (Loc, Uint_0),
Etyp => RTE (RE_Unsigned_64)));
- Statements := New_List (
+ Append_To (Statements,
Make_Implicit_If_Statement (RACW_Type,
Condition =>
Make_Op_Eq (Loc,
Left_Opnd => Object,
Right_Opnd => Make_Null (Loc)),
+
Then_Statements => Null_Statements,
+
Elsif_Parts => New_List (
Make_Elsif_Part (Loc,
Condition =>
Make_Attribute_Reference (Loc,
Prefix => Object,
Attribute_Name => Name_Tag),
+
Right_Opnd =>
Make_Attribute_Reference (Loc,
Prefix => New_Occurrence_Of (Stub_Type, Loc),
Then_Statements => Remote_Statements)),
Else_Statements => Local_Statements));
- Build_Stream_Procedure
- (Loc, RACW_Type, Body_Node,
- Make_Defining_Identifier (Loc, Procedure_Name),
- Statements, Outp => False);
-
- Proc_Decl := Make_Subprogram_Declaration (Loc,
- Copy_Specification (Loc, Specification (Body_Node)));
-
- Attr_Decl :=
- Make_Attribute_Definition_Clause (Loc,
- Name => New_Occurrence_Of (RACW_Type, Loc),
- Chars => Name_Write,
- Expression =>
- New_Occurrence_Of (
- Defining_Unit_Name (Specification (Proc_Decl)), Loc));
-
- Insert_After (Declaration_Node (RACW_Type), Proc_Decl);
- Insert_After (Proc_Decl, Attr_Decl);
Append_To (Body_Decls, Body_Node);
end Add_RACW_Write_Attribute;
begin
Proc_Decls := New_List (
- -- Common declarations
+ -- Common declarations
Make_Object_Declaration (Loc,
Defining_Identifier => Origin,
Parameter_Associations => New_List (
New_Occurrence_Of (Package_Name, Loc)))),
- -- Declaration use only in the local case: proxy address
+ -- Declaration use only in the local case: proxy address
Make_Object_Declaration (Loc,
Defining_Identifier => Proxy_Addr,
Object_Definition =>
New_Occurrence_Of (RTE (RE_Unsigned_64), Loc)),
- -- Declarations used only in the remote case: stub object and
- -- stub pointer.
+ -- Declarations used only in the remote case: stub object and
+ -- stub pointer.
Make_Object_Declaration (Loc,
Defining_Identifier => Local_Stub,
Attribute_Name => Name_Unchecked_Access)));
Set_Etype (Stub_Ptr, Stub_Elements.Stub_Type_Access);
- -- Build_Get_Unique_RP_Call needs this information
+
+ -- Build_Get_Unique_RP_Call needs above information
-- Note: Here we assume that the Fat_Type is a record
-- containing just a pointer to a proxy or stub object.
-- end if;
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Get_RAS_Info), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Get_RAS_Info), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (Package_Name, Loc),
New_Occurrence_Of (Subp_Id, Loc),
Make_Function_Call (Loc,
New_Occurrence_Of (
RTE (RE_Get_Local_Partition_Id), Loc))),
+
Right_Opnd =>
Make_Op_Not (Loc,
New_Occurrence_Of (All_Calls_Remote, Loc))),
+
Then_Statements => New_List (
- Make_Return_Statement (Loc,
+ Make_Simple_Return_Statement (Loc,
Unchecked_Convert_To (Fat_Type,
OK_Convert_To (RTE (RE_Address),
New_Occurrence_Of (Proxy_Addr, Loc)))))),
Set_Field (Name_Addr, New_Occurrence_Of (Proxy_Addr, Loc)),
- -- E.4.1(9) A remote call is asynchronous if it is a call to
- -- a procedure, or a call through a value of an access-to-procedure
- -- type, to which a pragma Asynchronous applies.
+ -- E.4.1(9) A remote call is asynchronous if it is a call to
+ -- a procedure or a call through a value of an access-to-procedure
+ -- type to which a pragma Asynchronous applies.
- -- Parameter Asynch_P is true when the procedure is asynchronous;
- -- Expression Asynch_T is true when the type is asynchronous.
+ -- Asynch_P is true when the procedure is asynchronous;
+ -- Asynch_T is true when the type is asynchronous.
Set_Field (Name_Asynchronous,
Make_Or_Else (Loc,
-- Return the newly created value
Append_To (Proc_Statements,
- Make_Return_Statement (Loc,
+ Make_Simple_Return_Statement (Loc,
Expression =>
Unchecked_Convert_To (Fat_Type,
New_Occurrence_Of (Stub_Ptr, Loc))));
New_List (
Make_Procedure_Call_Statement (Loc,
Name =>
- New_Occurrence_Of (
- Defining_Entity (Stubs), Loc),
+ New_Occurrence_Of (Defining_Entity (Stubs), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (Request_Parameter, Loc))))));
end Append_Stubs_To;
-- - a package RPC receiver must be built. This subprogram
-- will get a Subprogram_Id from the incoming stream
- -- and will dispatch the call to the right subprogram
+ -- and will dispatch the call to the right subprogram;
- -- - a receiving stub for any subprogram visible in the package
+ -- - a receiving stub for each subprogram visible in the package
-- spec. This stub will read all the parameters from the stream,
-- and put the result as well as the exception occurrence in the
- -- output stream
+ -- output stream;
-- - a dummy package with an empty spec and a body made of an
-- elaboration part, whose job is to register the receiving
-- part of this RCI package on the name server. This is done
- -- by calling System.Partition_Interface.Register_Receiving_Stub
+ -- by calling System.Partition_Interface.Register_Receiving_Stub.
Build_RPC_Receiver_Body (
RPC_Receiver => Pkg_RPC_Receiver,
Make_Op_Eq (Loc,
New_Occurrence_Of (Subp_Id, Loc),
Make_Integer_Literal (Loc, 0)),
+
Then_Statements => New_List (
Make_Assignment_Statement (Loc,
Name =>
New_Occurrence_Of (Subp_Id, Loc),
+
Expression =>
Make_Selected_Component (Loc,
Prefix =>
Make_Selected_Component (Loc,
Prefix => Request_Parameter,
Selector_Name => Name_Params))))),
+
Selector_Name =>
Make_Identifier (Loc, Name_Subp_Id))))));
New_Occurrence_Of (RTE (RE_Subprogram_Id), Loc))),
Result_Definition =>
New_Occurrence_Of (RTE (RE_Unsigned_64), Loc)));
+
Append_To (Decls, Current_Declaration);
Analyze (Current_Declaration);
-- case statement will be made on the Subprogram_Id to dispatch
-- to the right subprogram.
- All_Calls_Remote_E := Boolean_Literals (
- Has_All_Calls_Remote (Defining_Entity (Pkg_Spec)));
+ All_Calls_Remote_E :=
+ Boolean_Literals
+ (Has_All_Calls_Remote (Defining_Entity (Pkg_Spec)));
Overload_Counter_Table.Reset;
and then Comes_From_Source (Current_Declaration)
then
declare
- Loc : constant Source_Ptr :=
- Sloc (Current_Declaration);
+ Loc : constant Source_Ptr := Sloc (Current_Declaration);
-- While specifically processing Current_Declaration, use
-- its Sloc as the location of all generated nodes.
(Specification (Current_Declaration));
Subp_Val : String_Id;
+ pragma Warnings (Off, Subp_Val);
begin
-- Build receiving stub
-- Build RAS proxy
Add_RAS_Proxy_And_Analyze (Decls,
- Vis_Decl =>
- Current_Declaration,
- All_Calls_Remote_E =>
- All_Calls_Remote_E,
- Proxy_Object_Addr =>
- Proxy_Object_Addr);
+ Vis_Decl => Current_Declaration,
+ All_Calls_Remote_E => All_Calls_Remote_E,
+ Proxy_Object_Addr => Proxy_Object_Addr);
-- Compute distribution identifier
- Assign_Subprogram_Identifier (
- Subp_Def,
- Current_Subprogram_Number,
- Subp_Val);
+ Assign_Subprogram_Identifier
+ (Subp_Def,
+ Current_Subprogram_Number,
+ Subp_Val);
- pragma Assert (Current_Subprogram_Number =
- Get_Subprogram_Id (Subp_Def));
+ pragma Assert
+ (Current_Subprogram_Number = Get_Subprogram_Id (Subp_Def));
-- Add subprogram descriptor (RCI_Subp_Info) to the
-- subprograms table for this receiver. The aggregate
Choices => New_List (
Make_Integer_Literal (Loc,
Current_Subprogram_Number)),
+
Expression =>
Make_Aggregate (Loc,
Component_Associations => New_List (
Proxy_Object_Addr, Loc))))));
Append_Stubs_To (Pkg_RPC_Receiver_Cases,
- Stubs =>
- Current_Stubs,
- Subprogram_Number =>
- Current_Subprogram_Number);
+ Stubs => Current_Stubs,
+ Subprogram_Number => Current_Subprogram_Number);
end;
Current_Subprogram_Number := Current_Subprogram_Number + 1;
Append_To (Pkg_RPC_Receiver_Cases,
Make_Case_Statement_Alternative (Loc,
- Discrete_Choices =>
- New_List (Make_Others_Choice (Loc)),
- Statements =>
- New_List (Make_Null_Statement (Loc))));
+ Discrete_Choices => New_List (Make_Others_Choice (Loc)),
+ Statements => New_List (Make_Null_Statement (Loc))));
Append_To (Pkg_RPC_Receiver_Statements,
Make_Case_Statement (Loc,
- Expression =>
- New_Occurrence_Of (Subp_Id, Loc),
+ Expression => New_Occurrence_Of (Subp_Id, Loc),
Alternatives => Pkg_RPC_Receiver_Cases));
Append_To (Decls,
First_RCI_Subprogram_Id),
High_Bound =>
Make_Integer_Literal (Loc,
- First_RCI_Subprogram_Id
- + List_Length (Subp_Info_List) - 1))))),
- Expression =>
- Make_Aggregate (Loc,
- Component_Associations => Subp_Info_List)));
+ Intval =>
+ First_RCI_Subprogram_Id
+ + List_Length (Subp_Info_List) - 1)))))));
+
+ -- For a degenerate RCI with no visible subprograms, Subp_Info_List
+ -- has zero length, and the declaration is for an empty array, in
+ -- which case no initialization aggregate must be generated.
+
+ if Present (First (Subp_Info_List)) then
+ Set_Expression (Last (Decls),
+ Make_Aggregate (Loc,
+ Component_Associations => Subp_Info_List));
+
+ -- No initialization provided: remove CONSTANT so that the
+ -- declaration is not an incomplete deferred constant.
+
+ else
+ Set_Constant_Present (Last (Decls), False);
+ end if;
+
Analyze (Last (Decls));
- Append_To (Decls,
- Make_Subprogram_Body (Loc,
- Specification =>
- Copy_Specification (Loc, Parent (Lookup_RAS_Info)),
- Declarations =>
- No_List,
- Handled_Statement_Sequence =>
- Make_Handled_Sequence_Of_Statements (Loc,
- Statements => New_List (
- Make_Return_Statement (Loc,
- Expression => OK_Convert_To (RTE (RE_Unsigned_64),
- Make_Selected_Component (Loc,
- Prefix =>
- Make_Indexed_Component (Loc,
- Prefix =>
- New_Occurrence_Of (Subp_Info_Array, Loc),
- Expressions => New_List (
- Convert_To (Standard_Integer,
- Make_Identifier (Loc, Name_Subp_Id)))),
- Selector_Name =>
- Make_Identifier (Loc, Name_Addr))))))));
+ declare
+ Subp_Info_Addr : Node_Id;
+ -- Return statement for Lookup_RAS_Info: address of the subprogram
+ -- information record for the requested subprogram id.
+
+ begin
+ if Present (First (Subp_Info_List)) then
+ Subp_Info_Addr :=
+ Make_Selected_Component (Loc,
+ Prefix =>
+ Make_Indexed_Component (Loc,
+ Prefix => New_Occurrence_Of (Subp_Info_Array, Loc),
+ Expressions => New_List (
+ Convert_To (Standard_Integer,
+ Make_Identifier (Loc, Name_Subp_Id)))),
+ Selector_Name => Make_Identifier (Loc, Name_Addr));
+
+ -- Case of no visible subprogram: just raise Constraint_Error, we
+ -- know for sure we got junk from a remote partition.
+
+ else
+ Subp_Info_Addr :=
+ Make_Raise_Constraint_Error (Loc,
+ Reason => CE_Range_Check_Failed);
+ Set_Etype (Subp_Info_Addr, RTE (RE_Unsigned_64));
+ end if;
+
+ Append_To (Decls,
+ Make_Subprogram_Body (Loc,
+ Specification =>
+ Copy_Specification (Loc, Parent (Lookup_RAS_Info)),
+ Declarations => No_List,
+ Handled_Statement_Sequence =>
+ Make_Handled_Sequence_Of_Statements (Loc,
+ Statements => New_List (
+ Make_Simple_Return_Statement (Loc,
+ Expression =>
+ OK_Convert_To
+ (RTE (RE_Unsigned_64), Subp_Info_Addr))))));
+ end;
+
Analyze (Last (Decls));
Append_To (Decls, Pkg_RPC_Receiver_Body);
Analyze (Last (Decls));
Get_Library_Unit_Name_String (Pkg_Spec);
+
+ -- Name
+
Append_To (Register_Pkg_Actuals,
- -- Name
Make_String_Literal (Loc,
Strval => String_From_Name_Buffer));
+ -- Receiver
+
Append_To (Register_Pkg_Actuals,
- -- Receiver
Make_Attribute_Reference (Loc,
- Prefix =>
- New_Occurrence_Of (Pkg_RPC_Receiver, Loc),
- Attribute_Name =>
- Name_Unrestricted_Access));
+ Prefix => New_Occurrence_Of (Pkg_RPC_Receiver, Loc),
+ Attribute_Name => Name_Unrestricted_Access));
+
+ -- Version
Append_To (Register_Pkg_Actuals,
- -- Version
Make_Attribute_Reference (Loc,
Prefix =>
New_Occurrence_Of (Defining_Entity (Pkg_Spec), Loc),
- Attribute_Name =>
- Name_Version));
+ Attribute_Name => Name_Version));
+
+ -- Subp_Info
Append_To (Register_Pkg_Actuals,
- -- Subp_Info
Make_Attribute_Reference (Loc,
- Prefix =>
- New_Occurrence_Of (Subp_Info_Array, Loc),
- Attribute_Name =>
- Name_Address));
+ Prefix => New_Occurrence_Of (Subp_Info_Array, Loc),
+ Attribute_Name => Name_Address));
+
+ -- Subp_Info_Len
Append_To (Register_Pkg_Actuals,
- -- Subp_Info_Len
Make_Attribute_Reference (Loc,
- Prefix =>
- New_Occurrence_Of (Subp_Info_Array, Loc),
- Attribute_Name =>
- Name_Length));
+ Prefix => New_Occurrence_Of (Subp_Info_Array, Loc),
+ Attribute_Name => Name_Length));
+
+ -- Generate the call
Append_To (Stmts,
Make_Procedure_Call_Statement (Loc,
Attribute_Name => Name_Write,
Expressions => New_List (
Make_Attribute_Reference (Loc,
- Prefix =>
- New_Occurrence_Of (Stream_Parameter, Loc),
- Attribute_Name =>
- Name_Access),
+ Prefix => New_Occurrence_Of (Stream_Parameter, Loc),
+ Attribute_Name => Name_Access),
Target_RPC_Receiver)));
-- Then put the Subprogram_Id of the subprogram we want to call in
Append_To (Statements,
Make_Attribute_Reference (Loc,
- Prefix =>
- New_Occurrence_Of (RTE (RE_Subprogram_Id), Loc),
- Attribute_Name =>
- Name_Write,
+ Prefix => New_Occurrence_Of (RTE (RE_Subprogram_Id), Loc),
+ Attribute_Name => Name_Write,
Expressions => New_List (
Make_Attribute_Reference (Loc,
- Prefix =>
- New_Occurrence_Of (Stream_Parameter, Loc),
+ Prefix => New_Occurrence_Of (Stream_Parameter, Loc),
Attribute_Name => Name_Access),
Subprogram_Id)));
begin
if Is_RACW_Controlling_Formal
- (Current_Parameter, Stub_Type)
+ (Current_Parameter, Stub_Type)
then
-- In the case of a controlling formal argument, we marshall
-- its addr field rather than the local stub.
Etyp => RTE (RE_Unsigned_64)));
else
- Value := New_Occurrence_Of
- (Defining_Identifier (Current_Parameter), Loc);
+ Value :=
+ New_Occurrence_Of
+ (Defining_Identifier (Current_Parameter), Loc);
-- Access type parameters are transmitted as in out
-- parameters. However, a dereference is needed so that
Etyp := Etype (Typ);
end if;
- Constrained :=
- Is_Constrained (Etyp) or else Is_Elementary_Type (Etyp);
+ Constrained := not Transmit_As_Unconstrained (Etyp);
-- Any parameter but unconstrained out parameters are
-- transmitted to the peer.
then
Append_To (Statements,
Make_Attribute_Reference (Loc,
- Prefix =>
- New_Occurrence_Of (Etyp, Loc),
+ Prefix => New_Occurrence_Of (Etyp, Loc),
Attribute_Name =>
Output_From_Constrained (Constrained),
Expressions => New_List (
Make_Attribute_Reference (Loc,
Prefix =>
New_Occurrence_Of (Standard_Boolean, Loc),
- Attribute_Name =>
- Name_Write,
+ Attribute_Name => Name_Write,
Expressions => New_List (
Make_Attribute_Reference (Loc,
Prefix =>
- New_Occurrence_Of (Stream_Parameter, Loc),
- Attribute_Name =>
+ New_Occurrence_Of
+ (Stream_Parameter, Loc), Attribute_Name =>
Name_Access),
New_Occurrence_Of (Extra_Parameter, Loc))));
end if;
Make_Attribute_Reference (Loc,
Prefix =>
New_Occurrence_Of (Stream_Parameter, Loc),
- Attribute_Name =>
- Name_Access))));
+ Attribute_Name => Name_Access))));
else
Asynchronous_Statements := No_List;
end if;
Make_Attribute_Reference (Loc,
Prefix =>
New_Occurrence_Of (Stream_Parameter, Loc),
- Attribute_Name =>
- Name_Access),
+ Attribute_Name => Name_Access),
Make_Attribute_Reference (Loc,
Prefix =>
New_Occurrence_Of (Result_Parameter, Loc),
- Attribute_Name =>
- Name_Access))));
+ Attribute_Name => Name_Access))));
-- Read the exception occurrence from the result stream and
-- reraise it. It does no harm if this is a Null_Occurrence since
Prefix =>
New_Occurrence_Of (RTE (RE_Exception_Occurrence), Loc),
- Attribute_Name =>
- Name_Read,
+ Attribute_Name => Name_Read,
Expressions => New_List (
Make_Attribute_Reference (Loc,
Prefix =>
New_Occurrence_Of (Result_Parameter, Loc),
- Attribute_Name =>
- Name_Access),
+ Attribute_Name => Name_Access),
New_Occurrence_Of (Exception_Return_Parameter, Loc))));
Append_To (Non_Asynchronous_Statements,
Append_To (Non_Asynchronous_Statements,
Make_Tag_Check (Loc,
- Make_Return_Statement (Loc,
+ Make_Simple_Return_Statement (Loc,
Expression =>
Make_Attribute_Reference (Loc,
Prefix =>
Make_Attribute_Reference (Loc,
Prefix =>
New_Occurrence_Of (Result_Parameter, Loc),
- Attribute_Name =>
- Name_Access),
+ Attribute_Name => Name_Access),
Value)));
end if;
end;
New_Occurrence_Of (RTE (RE_Subprogram_Id), Loc),
Attribute_Name => Name_Input,
Expressions => New_List (
- Make_Selected_Component (Loc,
- Prefix => Request,
- Selector_Name => Name_Params)))));
+ Make_Selected_Component (Loc,
+ Prefix => Request,
+ Selector_Name => Name_Params)))));
Stmts := New_List;
New_Occurrence_Of (RTE (RE_Exception_Occurrence), Loc),
Attribute_Name => Name_Write,
Expressions => New_List (
- Make_Selected_Component (Loc,
- Prefix => Request_Parameter,
- Selector_Name => Name_Result),
+ Make_Selected_Component (Loc,
+ Prefix => Request_Parameter,
+ Selector_Name => Name_Result),
New_Occurrence_Of (RTE (RE_Null_Occurrence), Loc)));
if Dynamically_Asynchronous then
Etyp := Etype (Parameter_Type (Current_Parameter));
end if;
- Constrained :=
- Is_Constrained (Etyp) or else Is_Elementary_Type (Etyp);
+ Constrained := not Transmit_As_Unconstrained (Etyp);
if In_Present (Current_Parameter)
or else not Out_Present (Current_Parameter)
Append_To (Decls,
Input_With_Tag_Check (Loc,
Var_Type => Etyp,
- Stream => Make_Selected_Component (Loc,
- Prefix => Request_Parameter,
- Selector_Name => Name_Params)));
+ Stream =>
+ Make_Selected_Component (Loc,
+ Prefix => Request_Parameter,
+ Selector_Name => Name_Params)));
-- Prepare function call expression
- Expr := Make_Function_Call (Loc,
- New_Occurrence_Of (Defining_Unit_Name
- (Specification (Last (Decls))), Loc));
+ Expr :=
+ Make_Function_Call (Loc,
+ Name =>
+ New_Occurrence_Of
+ (Defining_Unit_Name
+ (Specification (Last (Decls))), Loc));
end if;
end if;
Name => Called_Subprogram,
Parameter_Associations => Parameter_List)));
+ if Is_Class_Wide_Type (Etyp) then
+
+ -- For a remote call to a function with a class-wide type,
+ -- check that the returned value satisfies the requirements
+ -- of E.4(18).
+
+ Append_To (Inner_Decls,
+ Make_Transportable_Check (Loc,
+ New_Occurrence_Of (Result, Loc)));
+
+ end if;
+
Append_To (After_Statements,
Make_Attribute_Reference (Loc,
Prefix => New_Occurrence_Of (Etyp, Loc),
end Get_And_Reset_RACW_Bodies;
-----------------------
+ -- Get_Stub_Elements --
+ -----------------------
+
+ function Get_Stub_Elements (RACW_Type : Entity_Id) return Stub_Structure is
+ Desig : constant Entity_Id :=
+ Etype (Designated_Type (RACW_Type));
+ Stub_Elements : constant Stub_Structure := Stubs_Table.Get (Desig);
+ begin
+ pragma Assert (Stub_Elements /= Empty_Stub_Structure);
+ return Stub_Elements;
+ end Get_Stub_Elements;
+
+ -----------------------
-- Get_Subprogram_Id --
-----------------------
Handled_Statement_Sequence =>
Make_Handled_Sequence_Of_Statements (Loc, New_List (
Make_Tag_Check (Loc,
- Make_Return_Statement (Loc,
+ Make_Simple_Return_Statement (Loc,
Make_Attribute_Reference (Loc,
Prefix => New_Occurrence_Of (Var_Type, Loc),
Attribute_Name => Name_Input,
or else Etype (Typ) = Stub_Type;
end Is_RACW_Controlling_Formal;
+ ------------------------------
+ -- Make_Transportable_Check --
+ ------------------------------
+
+ function Make_Transportable_Check
+ (Loc : Source_Ptr;
+ Expr : Node_Id) return Node_Id is
+ begin
+ return
+ Make_Raise_Program_Error (Loc,
+ Condition =>
+ Make_Op_Not (Loc,
+ Build_Get_Transportable (Loc,
+ Make_Selected_Component (Loc,
+ Prefix => Expr,
+ Selector_Name => Make_Identifier (Loc, Name_uTag)))),
+ Reason => PE_Non_Transportable_Actual);
+ end Make_Transportable_Check;
+
-----------------------------
-- Make_Selected_Component --
-----------------------------
Body_Decls : List_Id);
-- Add Read attribute for the RACW type. The declaration and attribute
-- definition clauses are inserted right after the declaration of
- -- RACW_Type, while the subprogram body is appended to Body_Decls.
+ -- RACW_Type. If Body_Decls is not No_List, the subprogram body is
+ -- appended to it (case where the RACW declaration is in the main unit).
procedure Add_RACW_Write_Attribute
(RACW_Type : Entity_Id;
procedure Add_RACW_From_Any
(RACW_Type : Entity_Id;
- Stub_Type : Entity_Id;
- Stub_Type_Access : Entity_Id;
Body_Decls : List_Id);
-- Add the From_Any TSS for this RACW type
procedure Add_RACW_To_Any
- (Designated_Type : Entity_Id;
- RACW_Type : Entity_Id;
- Stub_Type : Entity_Id;
- Stub_Type_Access : Entity_Id;
+ (RACW_Type : Entity_Id;
Body_Decls : List_Id);
-- Add the To_Any TSS for this RACW type
begin
Add_RACW_From_Any
(RACW_Type => RACW_Type,
- Stub_Type => Stub_Type,
- Stub_Type_Access => Stub_Type_Access,
Body_Decls => Body_Decls);
Add_RACW_To_Any
- (Designated_Type => Desig,
- RACW_Type => RACW_Type,
- Stub_Type => Stub_Type,
- Stub_Type_Access => Stub_Type_Access,
+ (RACW_Type => RACW_Type,
Body_Decls => Body_Decls);
- -- In the PolyORB case, the RACW 'Read and 'Write attributes are
- -- implemented in terms of the From_Any and To_Any TSSs, so these
- -- TSSs must be expanded before 'Read and 'Write.
-
Add_RACW_Write_Attribute
(RACW_Type => RACW_Type,
Stub_Type => Stub_Type,
procedure Add_RACW_From_Any
(RACW_Type : Entity_Id;
- Stub_Type : Entity_Id;
- Stub_Type_Access : Entity_Id;
Body_Decls : List_Id)
is
Loc : constant Source_Ptr := Sloc (RACW_Type);
Is_RAS : constant Boolean := not Comes_From_Source (RACW_Type);
Fnam : constant Entity_Id :=
- Make_Defining_Identifier (Loc, New_Internal_Name ('F'));
+ Make_Defining_Identifier (Loc,
+ Chars => New_External_Name (Chars (RACW_Type), 'F'));
Func_Spec : Node_Id;
Func_Decl : Node_Id;
Func_Body : Node_Id;
- Decls : List_Id;
Statements : List_Id;
- Stub_Statements : List_Id;
- Local_Statements : List_Id;
-- Various parts of the subprogram
Any_Parameter : constant Entity_Id :=
Make_Defining_Identifier (Loc, Name_A);
- Reference : constant Entity_Id :=
- Make_Defining_Identifier
- (Loc, New_Internal_Name ('R'));
- Is_Local : constant Entity_Id :=
- Make_Defining_Identifier
- (Loc, New_Internal_Name ('L'));
- Addr : constant Entity_Id :=
- Make_Defining_Identifier
- (Loc, New_Internal_Name ('A'));
- Local_Stub : constant Entity_Id :=
- Make_Defining_Identifier
- (Loc, New_Internal_Name ('L'));
- Stubbed_Result : constant Entity_Id :=
- Make_Defining_Identifier
- (Loc, New_Internal_Name ('S'));
-
- Stub_Condition : Node_Id;
- -- An expression that determines whether we create a stub for the
- -- newly-unpacked RACW. Normally we create a stub only for remote
- -- objects, but in the case of an RACW used to implement a RAS, we
- -- also create a stub for local subprograms if a pragma
- -- All_Calls_Remote applies.
Asynchronous_Flag : constant Entity_Id :=
Asynchronous_Flags_Table.Get (RACW_Type);
-- The flag object declared in Add_RACW_Asynchronous_Flag
begin
-
- -- Object declarations
-
- Decls := New_List (
- Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Reference,
- Object_Definition =>
- New_Occurrence_Of (RTE (RE_Object_Ref), Loc),
- Expression =>
- Make_Function_Call (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_FA_ObjRef), Loc),
- Parameter_Associations => New_List (
- New_Occurrence_Of (Any_Parameter, Loc)))),
-
- Make_Object_Declaration (Loc,
- Defining_Identifier => Local_Stub,
- Aliased_Present => True,
- Object_Definition => New_Occurrence_Of (Stub_Type, Loc)),
-
- Make_Object_Declaration (Loc,
- Defining_Identifier => Stubbed_Result,
- Object_Definition =>
- New_Occurrence_Of (Stub_Type_Access, Loc),
- Expression =>
- Make_Attribute_Reference (Loc,
- Prefix =>
- New_Occurrence_Of (Local_Stub, Loc),
- Attribute_Name =>
- Name_Unchecked_Access)),
-
- Make_Object_Declaration (Loc,
- Defining_Identifier => Is_Local,
- Object_Definition =>
- New_Occurrence_Of (Standard_Boolean, Loc)),
-
- Make_Object_Declaration (Loc,
- Defining_Identifier => Addr,
- Object_Definition =>
- New_Occurrence_Of (RTE (RE_Address), Loc)));
-
- -- Build_Get_Unique_RP_Call needs the type of Stubbed_Result
-
- Set_Etype (Stubbed_Result, Stub_Type_Access);
-
- -- If the ref Is_Nil, return a null pointer
-
- Statements := New_List (
- Make_Implicit_If_Statement (RACW_Type,
- Condition =>
- Make_Function_Call (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Is_Nil), Loc),
- Parameter_Associations => New_List (
- New_Occurrence_Of (Reference, Loc))),
- Then_Statements => New_List (
- Make_Return_Statement (Loc,
- Expression =>
- Make_Null (Loc)))));
-
- Append_To (Statements,
- Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Get_Local_Address), Loc),
- Parameter_Associations => New_List (
- New_Occurrence_Of (Reference, Loc),
- New_Occurrence_Of (Is_Local, Loc),
- New_Occurrence_Of (Addr, Loc))));
-
- -- If the object is located on another partition, then a stub object
- -- will be created with all the information needed to rebuild the
- -- real object at the other end. This stanza is always used in the
- -- case of RAS types, for which a stub is required even for local
- -- subprograms.
-
- Stub_Statements := New_List (
- Make_Assignment_Statement (Loc,
- Name => Make_Selected_Component (Loc,
- Prefix => Stubbed_Result,
- Selector_Name => Name_Target),
- Expression =>
- Make_Function_Call (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Entity_Of), Loc),
- Parameter_Associations => New_List (
- New_Occurrence_Of (Reference, Loc)))),
-
- Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Inc_Usage), Loc),
- Parameter_Associations => New_List (
- Make_Selected_Component (Loc,
- Prefix => Stubbed_Result,
- Selector_Name => Name_Target))),
-
- Make_Assignment_Statement (Loc,
- Name => Make_Selected_Component (Loc,
- Prefix => Stubbed_Result,
- Selector_Name => Name_Asynchronous),
- Expression =>
- New_Occurrence_Of (Asynchronous_Flag, Loc)));
-
- -- ??? Issue with asynchronous calls here: the Asynchronous flag is
- -- set on the stub type if, and only if, the RACW type has a pragma
- -- Asynchronous. This is incorrect for RACWs that implement RAS
- -- types, because in that case the /designated subprogram/ (not the
- -- type) might be asynchronous, and that causes the stub to need to
- -- be asynchronous too. A solution is to transport a RAS as a struct
- -- containing a RACW and an asynchronous flag, and to properly alter
- -- the Asynchronous component in the stub type in the RAS's _From_Any
- -- TSS.
-
- Append_List_To (Stub_Statements,
- Build_Get_Unique_RP_Call (Loc, Stubbed_Result, Stub_Type));
-
- -- Distinguish between the local and remote cases, and execute the
- -- appropriate piece of code.
-
- Stub_Condition := New_Occurrence_Of (Is_Local, Loc);
-
- if Is_RAS then
- Stub_Condition := Make_And_Then (Loc,
- Left_Opnd =>
- Stub_Condition,
- Right_Opnd =>
- Make_Selected_Component (Loc,
- Prefix =>
- Unchecked_Convert_To (
- RTE (RE_RAS_Proxy_Type_Access),
- New_Occurrence_Of (Addr, Loc)),
- Selector_Name =>
- Make_Identifier (Loc,
- Name_All_Calls_Remote)));
- end if;
-
- Local_Statements := New_List (
- Make_Return_Statement (Loc,
- Expression =>
- Unchecked_Convert_To (RACW_Type,
- New_Occurrence_Of (Addr, Loc))));
-
- Append_To (Statements,
- Make_Implicit_If_Statement (RACW_Type,
- Condition =>
- Stub_Condition,
- Then_Statements => Local_Statements,
- Else_Statements => Stub_Statements));
-
- Append_To (Statements,
- Make_Return_Statement (Loc,
- Expression => Unchecked_Convert_To (RACW_Type,
- New_Occurrence_Of (Stubbed_Result, Loc))));
-
Func_Spec :=
Make_Function_Specification (Loc,
Defining_Unit_Name =>
-- entity in the declaration spec, not those of the body spec.
Func_Decl := Make_Subprogram_Declaration (Loc, Func_Spec);
+ Insert_After (Declaration_Node (RACW_Type), Func_Decl);
+ Set_Renaming_TSS (RACW_Type, Fnam, TSS_From_Any);
+
+ if No (Body_Decls) then
+ return;
+ end if;
+
+ -- ??? Issue with asynchronous calls here: the Asynchronous flag is
+ -- set on the stub type if, and only if, the RACW type has a pragma
+ -- Asynchronous. This is incorrect for RACWs that implement RAS
+ -- types, because in that case the /designated subprogram/ (not the
+ -- type) might be asynchronous, and that causes the stub to need to
+ -- be asynchronous too. A solution is to transport a RAS as a struct
+ -- containing a RACW and an asynchronous flag, and to properly alter
+ -- the Asynchronous component in the stub type in the RAS's _From_Any
+ -- TSS.
+
+ Statements := New_List (
+ Make_Simple_Return_Statement (Loc,
+ Expression => Unchecked_Convert_To (RACW_Type,
+ Make_Function_Call (Loc,
+ Name => New_Occurrence_Of (RTE (RE_Get_RACW), Loc),
+ Parameter_Associations => New_List (
+ Make_Function_Call (Loc,
+ Name => New_Occurrence_Of (RTE (RE_FA_ObjRef), Loc),
+ Parameter_Associations => New_List (
+ New_Occurrence_Of (Any_Parameter, Loc))),
+ Build_Stub_Tag (Loc, RACW_Type),
+ New_Occurrence_Of (Boolean_Literals (Is_RAS), Loc),
+ New_Occurrence_Of (Asynchronous_Flag, Loc))))));
Func_Body :=
Make_Subprogram_Body (Loc,
- Specification =>
- Copy_Specification (Loc, Func_Spec),
- Declarations => Decls,
+ Specification => Copy_Specification (Loc, Func_Spec),
+ Declarations => No_List,
Handled_Statement_Sequence =>
Make_Handled_Sequence_Of_Statements (Loc,
Statements => Statements));
- Insert_After (Declaration_Node (RACW_Type), Func_Decl);
Append_To (Body_Decls, Func_Body);
-
- Set_Renaming_TSS (RACW_Type, Fnam, TSS_From_Any);
end Add_RACW_From_Any;
-----------------------------
Body_Node : Node_Id;
- Decls : List_Id;
- Statements : List_Id;
+ Decls : constant List_Id := New_List;
+ Statements : constant List_Id := New_List;
+ Reference : constant Entity_Id :=
+ Make_Defining_Identifier (Loc, Name_R);
-- Various parts of the procedure
- Procedure_Name : constant Name_Id :=
- New_Internal_Name ('R');
- Source_Ref : constant Entity_Id :=
- Make_Defining_Identifier
- (Loc, New_Internal_Name ('R'));
+ Pnam : constant Entity_Id := Make_Defining_Identifier (Loc,
+ New_Internal_Name ('R'));
+
+ Is_RAS : constant Boolean := not Comes_From_Source (RACW_Type);
+
Asynchronous_Flag : constant Entity_Id :=
Asynchronous_Flags_Table.Get (RACW_Type);
pragma Assert (Present (Asynchronous_Flag));
function Stream_Parameter return Node_Id;
function Result return Node_Id;
+
-- Functions to create occurrences of the formal parameter names
------------
-- Start of processing for Add_RACW_Read_Attribute
begin
- -- Generate object declarations
+ Build_Stream_Procedure
+ (Loc, RACW_Type, Body_Node, Pnam, Statements, Outp => True);
- Decls := New_List (
+ Proc_Decl := Make_Subprogram_Declaration (Loc,
+ Copy_Specification (Loc, Specification (Body_Node)));
+
+ Attr_Decl :=
+ Make_Attribute_Definition_Clause (Loc,
+ Name => New_Occurrence_Of (RACW_Type, Loc),
+ Chars => Name_Read,
+ Expression =>
+ New_Occurrence_Of (
+ Defining_Unit_Name (Specification (Proc_Decl)), Loc));
+
+ Insert_After (Declaration_Node (RACW_Type), Proc_Decl);
+ Insert_After (Proc_Decl, Attr_Decl);
+
+ if No (Body_Decls) then
+ return;
+ end if;
+
+ Append_To (Decls,
Make_Object_Declaration (Loc,
- Defining_Identifier => Source_Ref,
- Object_Definition =>
+ Defining_Identifier =>
+ Reference,
+ Object_Definition =>
New_Occurrence_Of (RTE (RE_Object_Ref), Loc)));
- Statements := New_List (
+ Append_List_To (Statements, New_List (
Make_Attribute_Reference (Loc,
Prefix =>
New_Occurrence_Of (RTE (RE_Object_Ref), Loc),
Attribute_Name => Name_Read,
Expressions => New_List (
Stream_Parameter,
- New_Occurrence_Of (Source_Ref, Loc))),
+ New_Occurrence_Of (Reference, Loc))),
+
Make_Assignment_Statement (Loc,
- Name =>
+ Name =>
Result,
Expression =>
- PolyORB_Support.Helpers.Build_From_Any_Call (
- RACW_Type,
+ Unchecked_Convert_To (RACW_Type,
Make_Function_Call (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_TA_ObjRef), Loc),
+ Name =>
+ New_Occurrence_Of (RTE (RE_Get_RACW), Loc),
Parameter_Associations => New_List (
- New_Occurrence_Of (Source_Ref, Loc))),
- Decls)));
+ New_Occurrence_Of (Reference, Loc),
+ Build_Stub_Tag (Loc, RACW_Type),
+ New_Occurrence_Of (Boolean_Literals (Is_RAS), Loc),
+ New_Occurrence_Of (Asynchronous_Flag, Loc)))))));
- Build_Stream_Procedure
- (Loc, RACW_Type, Body_Node,
- Make_Defining_Identifier (Loc, Procedure_Name),
- Statements, Outp => True);
Set_Declarations (Body_Node, Decls);
-
- Proc_Decl := Make_Subprogram_Declaration (Loc,
- Copy_Specification (Loc, Specification (Body_Node)));
-
- Attr_Decl :=
- Make_Attribute_Definition_Clause (Loc,
- Name => New_Occurrence_Of (RACW_Type, Loc),
- Chars => Name_Read,
- Expression =>
- New_Occurrence_Of (
- Defining_Unit_Name (Specification (Proc_Decl)), Loc));
-
- Insert_After (Declaration_Node (RACW_Type), Proc_Decl);
- Insert_After (Proc_Decl, Attr_Decl);
Append_To (Body_Decls, Body_Node);
end Add_RACW_Read_Attribute;
---------------------
procedure Add_RACW_To_Any
- (Designated_Type : Entity_Id;
- RACW_Type : Entity_Id;
- Stub_Type : Entity_Id;
- Stub_Type_Access : Entity_Id;
+ (RACW_Type : Entity_Id;
Body_Decls : List_Id)
is
Loc : constant Source_Ptr := Sloc (RACW_Type);
- Is_RAS : constant Boolean := not Comes_From_Source (RACW_Type);
+ Fnam : constant Entity_Id :=
+ Make_Defining_Identifier (Loc,
+ Chars => New_External_Name (Chars (RACW_Type), 'T'));
- Fnam : Entity_Id;
+ Is_RAS : constant Boolean := not Comes_From_Source (RACW_Type);
Stub_Elements : constant Stub_Structure :=
- Stubs_Table.Get (Designated_Type);
- pragma Assert (Stub_Elements /= Empty_Stub_Structure);
+ Get_Stub_Elements (RACW_Type);
Func_Spec : Node_Id;
Func_Decl : Node_Id;
Decls : List_Id;
Statements : List_Id;
- Null_Statements : List_Id;
- Local_Statements : List_Id := No_List;
- Stub_Statements : List_Id;
- If_Node : Node_Id;
-- Various parts of the subprogram
- RACW_Parameter : constant Entity_Id
- := Make_Defining_Identifier (Loc, Name_R);
+ RACW_Parameter : constant Entity_Id :=
+ Make_Defining_Identifier (Loc, Name_R);
Reference : constant Entity_Id :=
Make_Defining_Identifier
(Loc, New_Internal_Name ('A'));
begin
+ Func_Spec :=
+ Make_Function_Specification (Loc,
+ Defining_Unit_Name =>
+ Fnam,
+ Parameter_Specifications => New_List (
+ Make_Parameter_Specification (Loc,
+ Defining_Identifier =>
+ RACW_Parameter,
+ Parameter_Type =>
+ New_Occurrence_Of (RACW_Type, Loc))),
+ Result_Definition => New_Occurrence_Of (RTE (RE_Any), Loc));
- -- Object declarations
-
- Decls := New_List (
- Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Reference,
- Object_Definition =>
- New_Occurrence_Of (RTE (RE_Object_Ref), Loc)),
- Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Any,
- Object_Definition =>
- New_Occurrence_Of (RTE (RE_Any), Loc)));
-
- -- If the object is null, nothing to do (Reference is already
- -- a Nil ref.)
-
- Null_Statements := New_List (Make_Null_Statement (Loc));
+ -- NOTE: The usage occurrences of RACW_Parameter must refer to the
+ -- entity in the declaration spec, not in the body spec.
- if Is_RAS then
+ Func_Decl := Make_Subprogram_Declaration (Loc, Func_Spec);
- -- If the object is a RAS designating a local subprogram, we
- -- already have a target reference.
+ Insert_After (Declaration_Node (RACW_Type), Func_Decl);
+ Set_Renaming_TSS (RACW_Type, Fnam, TSS_To_Any);
- Local_Statements := New_List (
- Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Set_Ref), Loc),
- Parameter_Associations => New_List (
- New_Occurrence_Of (Reference, Loc),
- Make_Selected_Component (Loc,
- Prefix =>
- Unchecked_Convert_To (RTE (RE_RAS_Proxy_Type_Access),
- New_Occurrence_Of (RACW_Parameter, Loc)),
- Selector_Name => Make_Identifier (Loc, Name_Target)))));
+ if No (Body_Decls) then
+ return;
+ end if;
- else
- -- If the object is a local RACW object, use Get_Reference now to
- -- obtain a reference.
+ -- Generate:
- Local_Statements := New_List (
- Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Get_Reference), Loc),
- Parameter_Associations => New_List (
- Unchecked_Convert_To (
- RTE (RE_Address),
- New_Occurrence_Of (RACW_Parameter, Loc)),
- Make_String_Literal (Loc,
- Full_Qualified_Name (Designated_Type)),
- Make_Attribute_Reference (Loc,
- Prefix =>
- New_Occurrence_Of (
- Defining_Identifier (
- Stub_Elements.RPC_Receiver_Decl), Loc),
- Attribute_Name =>
- Name_Access),
- New_Occurrence_Of (Reference, Loc))));
- end if;
+ -- R : constant Object_Ref :=
+ -- Get_Reference
+ -- (Address!(RACW),
+ -- "typ",
+ -- Stub_Type'Tag,
+ -- Is_RAS,
+ -- RPC_Receiver'Access);
+ -- A : Any;
- -- If the object is located on another partition, use the target from
- -- the stub.
+ Decls := New_List (
+ Make_Object_Declaration (Loc,
+ Defining_Identifier => Reference,
+ Constant_Present => True,
+ Object_Definition =>
+ New_Occurrence_Of (RTE (RE_Object_Ref), Loc),
+ Expression =>
+ Make_Function_Call (Loc,
+ Name => New_Occurrence_Of (RTE (RE_Get_Reference), Loc),
+ Parameter_Associations => New_List (
+ Unchecked_Convert_To (RTE (RE_Address),
+ New_Occurrence_Of (RACW_Parameter, Loc)),
+ Make_String_Literal (Loc,
+ Strval => Full_Qualified_Name
+ (Etype (Designated_Type (RACW_Type)))),
+ Build_Stub_Tag (Loc, RACW_Type),
+ New_Occurrence_Of (Boolean_Literals (Is_RAS), Loc),
+ Make_Attribute_Reference (Loc,
+ Prefix =>
+ New_Occurrence_Of
+ (Defining_Identifier
+ (Stub_Elements.RPC_Receiver_Decl), Loc),
+ Attribute_Name => Name_Access)))),
- Stub_Statements := New_List (
- Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Set_Ref), Loc),
- Parameter_Associations => New_List (
- New_Occurrence_Of (Reference, Loc),
- Make_Selected_Component (Loc,
- Prefix => Unchecked_Convert_To (Stub_Type_Access,
- New_Occurrence_Of (RACW_Parameter, Loc)),
- Selector_Name =>
- Make_Identifier (Loc, Name_Target)))));
+ Make_Object_Declaration (Loc,
+ Defining_Identifier => Any,
+ Object_Definition => New_Occurrence_Of (RTE (RE_Any), Loc)));
- -- Distinguish between the null, local and remote cases, and execute
- -- the appropriate piece of code.
+ -- Generate:
- If_Node :=
- Make_Implicit_If_Statement (RACW_Type,
- Condition =>
- Make_Op_Eq (Loc,
- Left_Opnd => New_Occurrence_Of (RACW_Parameter, Loc),
- Right_Opnd => Make_Null (Loc)),
- Then_Statements => Null_Statements,
- Elsif_Parts => New_List (
- Make_Elsif_Part (Loc,
- Condition =>
- Make_Op_Ne (Loc,
- Left_Opnd =>
- Make_Attribute_Reference (Loc,
- Prefix =>
- New_Occurrence_Of (RACW_Parameter, Loc),
- Attribute_Name => Name_Tag),
- Right_Opnd =>
- Make_Attribute_Reference (Loc,
- Prefix => New_Occurrence_Of (Stub_Type, Loc),
- Attribute_Name => Name_Tag)),
- Then_Statements => Local_Statements)),
- Else_Statements => Stub_Statements);
+ -- Any := TA_ObjRef (Reference);
+ -- Set_TC (Any, RPC_Receiver.Obj_TypeCode);
+ -- return Any;
Statements := New_List (
- If_Node,
Make_Assignment_Statement (Loc,
- Name =>
- New_Occurrence_Of (Any, Loc),
- Expression =>
- Make_Function_Call (Loc,
- Name => New_Occurrence_Of (RTE (RE_TA_ObjRef), Loc),
- Parameter_Associations => New_List (
- New_Occurrence_Of (Reference, Loc)))),
- Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Set_TC), Loc),
- Parameter_Associations => New_List (
- New_Occurrence_Of (Any, Loc),
- Make_Selected_Component (Loc,
- Prefix =>
- Defining_Identifier (
- Stub_Elements.RPC_Receiver_Decl),
- Selector_Name => Name_Obj_TypeCode))),
- Make_Return_Statement (Loc,
- Expression =>
- New_Occurrence_Of (Any, Loc)));
-
- Fnam := Make_Defining_Identifier (
- Loc, New_Internal_Name ('T'));
-
- Func_Spec :=
- Make_Function_Specification (Loc,
- Defining_Unit_Name =>
- Fnam,
- Parameter_Specifications => New_List (
- Make_Parameter_Specification (Loc,
- Defining_Identifier =>
- RACW_Parameter,
- Parameter_Type =>
- New_Occurrence_Of (RACW_Type, Loc))),
- Result_Definition => New_Occurrence_Of (RTE (RE_Any), Loc));
+ Name => New_Occurrence_Of (Any, Loc),
+ Expression =>
+ Make_Function_Call (Loc,
+ Name => New_Occurrence_Of (RTE (RE_TA_ObjRef), Loc),
+ Parameter_Associations => New_List (
+ New_Occurrence_Of (Reference, Loc)))),
- -- NOTE: The usage occurrences of RACW_Parameter must refer to the
- -- entity in the declaration spec, not in the body spec.
+ Make_Procedure_Call_Statement (Loc,
+ Name => New_Occurrence_Of (RTE (RE_Set_TC), Loc),
+ Parameter_Associations => New_List (
+ New_Occurrence_Of (Any, Loc),
+ Make_Selected_Component (Loc,
+ Prefix =>
+ Defining_Identifier (
+ Stub_Elements.RPC_Receiver_Decl),
+ Selector_Name => Name_Obj_TypeCode))),
- Func_Decl := Make_Subprogram_Declaration (Loc, Func_Spec);
+ Make_Simple_Return_Statement (Loc,
+ Expression => New_Occurrence_Of (Any, Loc)));
Func_Body :=
Make_Subprogram_Body (Loc,
- Specification =>
- Copy_Specification (Loc, Func_Spec),
+ Specification => Copy_Specification (Loc, Func_Spec),
Declarations => Decls,
Handled_Statement_Sequence =>
Make_Handled_Sequence_Of_Statements (Loc,
Statements => Statements));
-
- Insert_After (Declaration_Node (RACW_Type), Func_Decl);
Append_To (Body_Decls, Func_Body);
-
- Set_Renaming_TSS (RACW_Type, Fnam, TSS_To_Any);
end Add_RACW_To_Any;
-----------------------
is
Loc : constant Source_Ptr := Sloc (RACW_Type);
- Fnam : Entity_Id;
+ Fnam : constant Entity_Id :=
+ Make_Defining_Identifier (Loc,
+ Chars => New_External_Name (Chars (RACW_Type), 'Y'));
Stub_Elements : constant Stub_Structure :=
Stubs_Table.Get (Designated_Type);
Func_Body : Node_Id;
begin
- Fnam :=
- Make_Defining_Identifier (Loc,
- Chars => New_Internal_Name ('T'));
-- The spec for this subprogram has a dummy 'access RACW' argument,
-- which serves only for overloading purposes.
Func_Spec :=
Make_Function_Specification (Loc,
- Defining_Unit_Name =>
- Fnam,
- Result_Definition => New_Occurrence_Of (RTE (RE_TypeCode), Loc));
+ Defining_Unit_Name => Fnam,
+ Result_Definition => New_Occurrence_Of (RTE (RE_TypeCode), Loc));
-- NOTE: The usage occurrences of RACW_Parameter must refer to the
-- entity in the declaration spec, not those of the body spec.
Func_Decl := Make_Subprogram_Declaration (Loc, Func_Spec);
+ Insert_After (Declaration_Node (RACW_Type), Func_Decl);
+ Set_Renaming_TSS (RACW_Type, Fnam, TSS_TypeCode);
+
+ if No (Body_Decls) then
+ return;
+ end if;
Func_Body :=
Make_Subprogram_Body (Loc,
- Specification =>
- Copy_Specification (Loc, Func_Spec),
+ Specification => Copy_Specification (Loc, Func_Spec),
Declarations => Empty_List,
Handled_Statement_Sequence =>
Make_Handled_Sequence_Of_Statements (Loc,
Statements => New_List (
- Make_Return_Statement (Loc,
+ Make_Simple_Return_Statement (Loc,
Expression =>
Make_Selected_Component (Loc,
Prefix =>
- Defining_Identifier (
- Stub_Elements.RPC_Receiver_Decl),
+ Defining_Identifier
+ (Stub_Elements.RPC_Receiver_Decl),
Selector_Name => Name_Obj_TypeCode)))));
- Insert_After (Declaration_Node (RACW_Type), Func_Decl);
Append_To (Body_Decls, Func_Body);
-
- Set_Renaming_TSS (RACW_Type, Fnam, TSS_TypeCode);
end Add_RACW_TypeCode;
------------------------------
Loc : constant Source_Ptr := Sloc (RACW_Type);
+ Is_RAS : constant Boolean := not Comes_From_Source (RACW_Type);
+
+ Stub_Elements : constant Stub_Structure :=
+ Get_Stub_Elements (RACW_Type);
+
Body_Node : Node_Id;
Proc_Decl : Node_Id;
Attr_Decl : Node_Id;
- Statements : List_Id;
- Procedure_Name : constant Name_Id := New_Internal_Name ('R');
+ Statements : constant List_Id := New_List;
+ Pnam : constant Entity_Id :=
+ Make_Defining_Identifier (Loc, New_Internal_Name ('R'));
function Stream_Parameter return Node_Id;
function Object return Node_Id;
------------
function Object return Node_Id is
- Object_Ref : constant Node_Id :=
- Make_Identifier (Loc, Name_V);
-
begin
- -- Etype must be set for Build_To_Any_Call
-
- Set_Etype (Object_Ref, RACW_Type);
-
- return Object_Ref;
+ return Make_Identifier (Loc, Name_V);
end Object;
----------------------
-- Start of processing for Add_RACW_Write_Attribute
begin
- Statements := New_List (
- Pack_Node_Into_Stream_Access (Loc,
- Stream => Stream_Parameter,
- Object =>
- Make_Function_Call (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_FA_ObjRef), Loc),
- Parameter_Associations => New_List (
- PolyORB_Support.Helpers.Build_To_Any_Call
- (Object, Body_Decls))),
- Etyp => RTE (RE_Object_Ref)));
-
Build_Stream_Procedure
- (Loc, RACW_Type, Body_Node,
- Make_Defining_Identifier (Loc, Procedure_Name),
- Statements, Outp => False);
+ (Loc, RACW_Type, Body_Node, Pnam, Statements, Outp => False);
Proc_Decl :=
Make_Subprogram_Declaration (Loc,
Insert_After (Declaration_Node (RACW_Type), Proc_Decl);
Insert_After (Proc_Decl, Attr_Decl);
+
+ if No (Body_Decls) then
+ return;
+ end if;
+
+ Append_To (Statements,
+ Pack_Node_Into_Stream_Access (Loc,
+ Stream => Stream_Parameter,
+ Object =>
+ Make_Function_Call (Loc,
+ Name => New_Occurrence_Of (RTE (RE_Get_Reference), Loc),
+ Parameter_Associations => New_List (
+ Unchecked_Convert_To (RTE (RE_Address), Object),
+ Make_String_Literal (Loc,
+ Strval => Full_Qualified_Name
+ (Etype (Designated_Type (RACW_Type)))),
+ Build_Stub_Tag (Loc, RACW_Type),
+ New_Occurrence_Of (Boolean_Literals (Is_RAS), Loc),
+ Make_Attribute_Reference (Loc,
+ Prefix =>
+ New_Occurrence_Of
+ (Defining_Identifier
+ (Stub_Elements.RPC_Receiver_Decl), Loc),
+ Attribute_Name => Name_Access))),
+
+ Etyp => RTE (RE_Object_Ref)));
+
Append_To (Body_Decls, Body_Node);
end Add_RACW_Write_Attribute;
-- corresponding record type.
RACW_Type : constant Entity_Id :=
- Underlying_RACW_Type (Ras_Type);
- Desig : constant Entity_Id :=
- Etype (Designated_Type (RACW_Type));
+ Underlying_RACW_Type (Ras_Type);
Stub_Elements : constant Stub_Structure :=
- Stubs_Table.Get (Desig);
- pragma Assert (Stub_Elements /= Empty_Stub_Structure);
+ Get_Stub_Elements (RACW_Type);
Proc : constant Entity_Id :=
Make_Defining_Identifier (Loc,
New_Occurrence_Of (Stub_Elements.Stub_Type, Loc)),
Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Stub_Ptr,
+ Defining_Identifier => Stub_Ptr,
Object_Definition =>
New_Occurrence_Of (Stub_Elements.Stub_Type_Access, Loc),
Expression =>
Proc_Statements := New_List (
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Get_RAS_Info), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Get_RAS_Info), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (Package_Name, Loc),
New_Occurrence_Of (Subp_Id, Loc),
-- obtain the local address of its proxy (A).
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Get_Local_Address), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Get_Local_Address), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (Subp_Ref, Loc),
New_Occurrence_Of (Is_Local, Loc),
-- if L then
Make_Implicit_If_Statement (N,
- Condition =>
- New_Occurrence_Of (Is_Local, Loc),
+ Condition => New_Occurrence_Of (Is_Local, Loc),
Then_Statements => New_List (
Condition =>
Make_Op_Eq (Loc,
Make_Selected_Component (Loc,
- Prefix =>
- Unchecked_Convert_To (
- RTE (RE_RAS_Proxy_Type_Access),
- New_Occurrence_Of (Local_Addr, Loc)),
- Selector_Name =>
- Make_Identifier (Loc, Name_Target)),
+ Prefix =>
+ Unchecked_Convert_To
+ (RTE (RE_RAS_Proxy_Type_Access),
+ New_Occurrence_Of (Local_Addr, Loc)),
+ Selector_Name => Make_Identifier (Loc, Name_Target)),
Make_Null (Loc)),
Then_Statements => New_List (
Make_Assignment_Statement (Loc,
Name =>
Make_Selected_Component (Loc,
- Prefix =>
- Unchecked_Convert_To (
- RTE (RE_RAS_Proxy_Type_Access),
- New_Occurrence_Of (Local_Addr, Loc)),
- Selector_Name =>
- Make_Identifier (Loc, Name_Target)),
+ Prefix =>
+ Unchecked_Convert_To
+ (RTE (RE_RAS_Proxy_Type_Access),
+ New_Occurrence_Of (Local_Addr, Loc)),
+ Selector_Name => Make_Identifier (Loc, Name_Target)),
Expression =>
Make_Function_Call (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Entity_Of), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Entity_Of), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (Subp_Ref, Loc)))),
-- Inc_Usage (A.Target);
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Inc_Usage), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Inc_Usage), Loc),
Parameter_Associations => New_List (
Make_Selected_Component (Loc,
Prefix =>
- Unchecked_Convert_To (
- RTE (RE_RAS_Proxy_Type_Access),
- New_Occurrence_Of (Local_Addr, Loc)),
- Selector_Name => Make_Identifier (Loc,
- Name_Target)))))),
+ Unchecked_Convert_To
+ (RTE (RE_RAS_Proxy_Type_Access),
+ New_Occurrence_Of (Local_Addr, Loc)),
+ Selector_Name =>
+ Make_Identifier (Loc, Name_Target)))))),
-- end if;
-- if not All_Calls_Remote then
Make_Implicit_If_Statement (N,
Condition =>
Make_Op_Not (Loc,
- New_Occurrence_Of (All_Calls_Remote, Loc)),
+ Right_Opnd =>
+ New_Occurrence_Of (All_Calls_Remote, Loc)),
Then_Statements => New_List (
- Make_Return_Statement (Loc,
- Unchecked_Convert_To (Fat_Type,
- New_Occurrence_Of (Local_Addr, Loc))))))));
+ Make_Simple_Return_Statement (Loc,
+ Expression =>
+ Unchecked_Convert_To
+ (Fat_Type, New_Occurrence_Of (Local_Addr, Loc))))))));
Append_List_To (Proc_Statements, New_List (
Set_Field (Name_Target,
Make_Function_Call (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Entity_Of), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Entity_Of), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (Subp_Ref, Loc)))),
-- Inc_Usage (Stub.Target);
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Inc_Usage), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Inc_Usage), Loc),
Parameter_Associations => New_List (
Make_Selected_Component (Loc,
Prefix => Stub_Ptr,
Set_Field (Name_Asynchronous,
Make_Or_Else (Loc,
- New_Occurrence_Of (Asynch_P, Loc),
- New_Occurrence_Of (Boolean_Literals (
- Is_Asynchronous (Ras_Type)), Loc)))));
+ Left_Opnd => New_Occurrence_Of (Asynch_P, Loc),
+ Right_Opnd =>
+ New_Occurrence_Of
+ (Boolean_Literals (Is_Asynchronous (Ras_Type)), Loc)))));
Append_List_To (Proc_Statements,
- Build_Get_Unique_RP_Call (Loc,
- Stub_Ptr, Stub_Elements.Stub_Type));
+ Build_Get_Unique_RP_Call (Loc, Stub_Ptr, Stub_Elements.Stub_Type));
Append_To (Proc_Statements,
- Make_Return_Statement (Loc,
+ Make_Simple_Return_Statement (Loc,
Expression =>
Unchecked_Convert_To (Fat_Type,
New_Occurrence_Of (Stub_Ptr, Loc))));
begin
Statements := New_List (
- Make_Return_Statement (Loc,
+ Make_Simple_Return_Statement (Loc,
Expression =>
Make_Aggregate (Loc,
Component_Associations => New_List (
Func_Spec :=
Make_Function_Specification (Loc,
- Defining_Unit_Name =>
- Fnam,
+ Defining_Unit_Name => Fnam,
Parameter_Specifications => New_List (
Make_Parameter_Specification (Loc,
- Defining_Identifier =>
- Any_Parameter,
- Parameter_Type =>
- New_Occurrence_Of (RTE (RE_Any), Loc))),
+ Defining_Identifier => Any_Parameter,
+ Parameter_Type => New_Occurrence_Of (RTE (RE_Any), Loc))),
Result_Definition => New_Occurrence_Of (RAS_Type, Loc));
Discard_Node (
Set_Etype (RACW_Parameter, Underlying_RACW_Type (RAS_Type));
Decls := New_List (
Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Any,
- Object_Definition =>
- New_Occurrence_Of (RTE (RE_Any), Loc),
- Expression =>
+ Defining_Identifier => Any,
+ Object_Definition => New_Occurrence_Of (RTE (RE_Any), Loc),
+ Expression =>
PolyORB_Support.Helpers.Build_To_Any_Call
(RACW_Parameter, No_List)));
Statements := New_List (
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Set_TC), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Set_TC), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (Any, Loc),
PolyORB_Support.Helpers.Build_TypeCode_Call (Loc,
RAS_Type, Decls))),
- Make_Return_Statement (Loc,
- Expression =>
- New_Occurrence_Of (Any, Loc)));
+
+ Make_Simple_Return_Statement (Loc,
+ Expression => New_Occurrence_Of (Any, Loc)));
Func_Spec :=
Make_Function_Specification (Loc,
- Defining_Unit_Name =>
- Fnam,
+ Defining_Unit_Name => Fnam,
Parameter_Specifications => New_List (
Make_Parameter_Specification (Loc,
- Defining_Identifier =>
- RAS_Parameter,
- Parameter_Type =>
- New_Occurrence_Of (RAS_Type, Loc))),
+ Defining_Identifier => RAS_Parameter,
+ Parameter_Type => New_Occurrence_Of (RAS_Type, Loc))),
Result_Definition => New_Occurrence_Of (RTE (RE_Any), Loc));
Discard_Node (
Fnam : constant Entity_Id := Make_Defining_Identifier (Loc,
Make_TSS_Name (RAS_Type, TSS_TypeCode));
- Func_Spec : Node_Id;
-
- Decls : constant List_Id := New_List;
- Name_String, Repo_Id_String : String_Id;
+ Func_Spec : Node_Id;
+ Decls : constant List_Id := New_List;
+ Name_String : String_Id;
+ Repo_Id_String : String_Id;
begin
Func_Spec :=
Make_Function_Specification (Loc,
- Defining_Unit_Name =>
- Fnam,
- Result_Definition => New_Occurrence_Of (RTE (RE_TypeCode), Loc));
+ Defining_Unit_Name => Fnam,
+ Result_Definition => New_Occurrence_Of (RTE (RE_TypeCode), Loc));
PolyORB_Support.Helpers.Build_Name_And_Repository_Id
(RAS_Type, Name_Str => Name_String, Repo_Id_Str => Repo_Id_String);
Handled_Statement_Sequence =>
Make_Handled_Sequence_Of_Statements (Loc,
Statements => New_List (
- Make_Return_Statement (Loc,
+ Make_Simple_Return_Statement (Loc,
Expression =>
Make_Function_Call (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_TC_Build), Loc),
+ Name => New_Occurrence_Of (RTE (RE_TC_Build), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (RTE (RE_TC_Object), Loc),
Make_Aggregate (Loc,
Expressions =>
New_List (
Make_Function_Call (Loc,
- Name => New_Occurrence_Of (
- RTE (RE_TA_String), Loc),
+ Name =>
+ New_Occurrence_Of
+ (RTE (RE_TA_String), Loc),
Parameter_Associations => New_List (
Make_String_Literal (Loc, Name_String))),
Make_Function_Call (Loc,
- Name => New_Occurrence_Of (
- RTE (RE_TA_String), Loc),
+ Name =>
+ New_Occurrence_Of
+ (RTE (RE_TA_String), Loc),
Parameter_Associations => New_List (
Make_String_Literal (Loc,
- Repo_Id_String))))))))))));
+ Strval => Repo_Id_String))))))))))));
Set_TSS (RAS_Type, Fnam);
end Add_RAS_TypeCode;
Make_Defining_Identifier (Loc,
New_Internal_Name ('H'));
Pkg_RPC_Receiver_Object : Node_Id;
-
Pkg_RPC_Receiver_Body : Node_Id;
Pkg_RPC_Receiver_Decls : List_Id;
Pkg_RPC_Receiver_Statements : List_Id;
- Pkg_RPC_Receiver_Cases : constant List_Id := New_List;
+
+ Pkg_RPC_Receiver_Cases : constant List_Id := New_List;
-- A Pkg_RPC_Receiver is built to decode the request
- Request : Node_Id;
+ Request : Node_Id;
-- Request object received from neutral layer
Subp_Id : Entity_Id;
-- distribution core.
Subp_Index : Entity_Id;
- -- Internal index as determined by matching either the
- -- method name from the request structure, or the local
- -- subprogram address (in case of a RAS).
+ -- Internal index as determined by matching either the method name
+ -- from the request structure, or the local subprogram address (in
+ -- case of a RAS).
Is_Local : constant Entity_Id :=
- Make_Defining_Identifier (Loc, New_Internal_Name ('L'));
+ Make_Defining_Identifier (Loc,
+ Chars => New_Internal_Name ('L'));
+
Local_Address : constant Entity_Id :=
- Make_Defining_Identifier (Loc, New_Internal_Name ('A'));
- -- Address of a local subprogram designated by a
- -- reference corresponding to a RAS.
+ Make_Defining_Identifier (Loc,
+ Chars => New_Internal_Name ('A'));
+ -- Address of a local subprogram designated by a reference
+ -- corresponding to a RAS.
Dispatch_On_Address : constant List_Id := New_List;
Dispatch_On_Name : constant List_Id := New_List;
Defining_Entity (Stubs), Loc),
Parameter_Associations =>
New_List (New_Occurrence_Of (Request, Loc))));
- if Nkind (Specification (Declaration))
- = N_Function_Specification
+
+ if Nkind (Specification (Declaration)) = N_Function_Specification
or else not
Is_Asynchronous (Defining_Entity (Specification (Declaration)))
then
- Append_To (Case_Stmts, Make_Return_Statement (Loc));
+ Append_To (Case_Stmts, Make_Simple_Return_Statement (Loc));
end if;
Append_To (RPC_Receiver_Cases,
Make_Case_Statement_Alternative (Loc,
Discrete_Choices =>
New_List (Make_Integer_Literal (Loc, Subp_Number)),
- Statements =>
- Case_Stmts));
+ Statements => Case_Stmts));
Append_To (Dispatch_On_Name,
Make_Elsif_Part (Loc,
Parameter_Associations => New_List (
New_Occurrence_Of (Subp_Id, Loc),
New_Occurrence_Of (Subp_Dist_Name, Loc))),
+
Then_Statements => New_List (
Make_Assignment_Statement (Loc,
New_Occurrence_Of (Subp_Index, Loc),
- Make_Integer_Literal (Loc,
- Subp_Number)))));
+ Make_Integer_Literal (Loc, Subp_Number)))));
Append_To (Dispatch_On_Address,
Make_Elsif_Part (Loc,
Condition =>
Make_Op_Eq (Loc,
- Left_Opnd =>
- New_Occurrence_Of (Local_Address, Loc),
- Right_Opnd =>
- New_Occurrence_Of (Subp_Proxy_Addr, Loc)),
+ Left_Opnd => New_Occurrence_Of (Local_Address, Loc),
+ Right_Opnd => New_Occurrence_Of (Subp_Proxy_Addr, Loc)),
+
Then_Statements => New_List (
Make_Assignment_Statement (Loc,
New_Occurrence_Of (Subp_Index, Loc),
- Make_Integer_Literal (Loc,
- Subp_Number)))));
+ Make_Integer_Literal (Loc, Subp_Number)))));
end Append_Stubs_To;
-- Start of processing for Add_Receiving_Stubs_To_Declarations
-- - a package RPC receiver must be built. This subprogram
-- will get a Subprogram_Id from the incoming stream
- -- and will dispatch the call to the right subprogram
+ -- and will dispatch the call to the right subprogram;
- -- - a receiving stub for any subprogram visible in the package
+ -- - a receiving stub for each subprogram visible in the package
-- spec. This stub will read all the parameters from the stream,
-- and put the result as well as the exception occurrence in the
- -- output stream
+ -- output stream;
-- - a dummy package with an empty spec and a body made of an
-- elaboration part, whose job is to register the receiving
-- part of this RCI package on the name server. This is done
- -- by calling System.Partition_Interface.Register_Receiving_Stub
+ -- by calling System.Partition_Interface.Register_Receiving_Stub.
Build_RPC_Receiver_Body (
RPC_Receiver => Pkg_RPC_Receiver,
Append_To (Pkg_RPC_Receiver_Decls,
Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Is_Local,
+ Defining_Identifier => Is_Local,
Object_Definition =>
New_Occurrence_Of (Standard_Boolean, Loc)));
+
Append_To (Pkg_RPC_Receiver_Decls,
Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Local_Address,
+ Defining_Identifier => Local_Address,
Object_Definition =>
New_Occurrence_Of (RTE (RE_Address), Loc)));
+
Append_To (Pkg_RPC_Receiver_Statements,
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Get_Local_Address), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Get_Local_Address), Loc),
Parameter_Associations => New_List (
Make_Selected_Component (Loc,
Prefix => Request,
New_Occurrence_Of (Is_Local, Loc),
New_Occurrence_Of (Local_Address, Loc))));
- -- Determine whether the reference that was used to make
- -- the call was the base RCI reference (in which case
- -- Local_Address is 0, and the method identifier from the
- -- request must be used to determine which subprogram is
- -- called) or a reference identifying one particular subprogram
- -- (in which case Local_Address is the address of that
- -- subprogram, and the method name from the request is
- -- ignored).
- -- In each case, cascaded elsifs are used to determine the
- -- proper subprogram index. Using hash tables might be
- -- more efficient.
-
- Append_To (Pkg_RPC_Receiver_Statements,
- Make_Implicit_If_Statement (Pkg_Spec,
- Condition =>
- Make_Op_Ne (Loc,
- Left_Opnd => New_Occurrence_Of (Local_Address, Loc),
- Right_Opnd => New_Occurrence_Of (RTE (RE_Null_Address), Loc)),
- Then_Statements => New_List (
- Make_Implicit_If_Statement (Pkg_Spec,
- Condition =>
- New_Occurrence_Of (Standard_False, Loc),
- Then_Statements => New_List (
- Make_Null_Statement (Loc)),
- Elsif_Parts =>
- Dispatch_On_Address)),
- Else_Statements => New_List (
- Make_Implicit_If_Statement (Pkg_Spec,
- Condition =>
- New_Occurrence_Of (Standard_False, Loc),
- Then_Statements => New_List (
- Make_Null_Statement (Loc)),
- Elsif_Parts =>
- Dispatch_On_Name))));
-
-- For each subprogram, the receiving stub will be built and a
-- case statement will be made on the Subprogram_Id to dispatch
-- to the right subprogram.
and then Comes_From_Source (Current_Declaration)
then
declare
- Loc : constant Source_Ptr :=
- Sloc (Current_Declaration);
+ Loc : constant Source_Ptr := Sloc (Current_Declaration);
-- While specifically processing Current_Declaration, use
-- its Sloc as the location of all generated nodes.
Subp_Val : String_Id;
Subp_Dist_Name : constant Entity_Id :=
- Make_Defining_Identifier (Loc,
- New_External_Name (
- Related_Id => Chars (Subp_Def),
- Suffix => 'D',
- Suffix_Index => -1));
+ Make_Defining_Identifier (Loc,
+ Chars =>
+ New_External_Name
+ (Related_Id => Chars (Subp_Def),
+ Suffix => 'D',
+ Suffix_Index => -1));
Proxy_Object_Addr : Entity_Id;
-- Build RAS proxy
Add_RAS_Proxy_And_Analyze (Decls,
- Vis_Decl =>
- Current_Declaration,
- All_Calls_Remote_E =>
- All_Calls_Remote_E,
- Proxy_Object_Addr =>
- Proxy_Object_Addr);
+ Vis_Decl => Current_Declaration,
+ All_Calls_Remote_E => All_Calls_Remote_E,
+ Proxy_Object_Addr => Proxy_Object_Addr);
-- Compute distribution identifier
- Assign_Subprogram_Identifier (
- Subp_Def,
- Current_Subprogram_Number,
- Subp_Val);
+ Assign_Subprogram_Identifier
+ (Subp_Def,
+ Current_Subprogram_Number,
+ Subp_Val);
- pragma Assert (Current_Subprogram_Number =
- Get_Subprogram_Id (Subp_Def));
+ pragma Assert
+ (Current_Subprogram_Number = Get_Subprogram_Id (Subp_Def));
Append_To (Decls,
Make_Object_Declaration (Loc,
Defining_Identifier => Subp_Dist_Name,
Constant_Present => True,
- Object_Definition => New_Occurrence_Of (
- Standard_String, Loc),
+ Object_Definition =>
+ New_Occurrence_Of (Standard_String, Loc),
Expression =>
Make_String_Literal (Loc, Subp_Val)));
Analyze (Last (Decls));
Append_To (Subp_Info_List,
Make_Component_Association (Loc,
Choices => New_List (
- Make_Integer_Literal (Loc,
- Current_Subprogram_Number)),
+ Make_Integer_Literal (Loc, Current_Subprogram_Number)),
+
Expression =>
Make_Aggregate (Loc,
Expressions => New_List (
Make_Attribute_Reference (Loc,
Prefix =>
- New_Occurrence_Of (
- Subp_Dist_Name, Loc),
+ New_Occurrence_Of (Subp_Dist_Name, Loc),
Attribute_Name => Name_Address),
+
Make_Attribute_Reference (Loc,
- Prefix =>
- New_Occurrence_Of (
- Subp_Dist_Name, Loc),
+ Prefix =>
+ New_Occurrence_Of (Subp_Dist_Name, Loc),
Attribute_Name => Name_Length),
+
New_Occurrence_Of (Proxy_Object_Addr, Loc)))));
Append_Stubs_To (Pkg_RPC_Receiver_Cases,
Next (Current_Declaration);
end loop;
- -- If we receive an invalid Subprogram_Id, it is best to do nothing
- -- rather than raising an exception since we do not want someone
- -- to crash a remote partition by sending invalid subprogram ids.
- -- This is consistent with the other parts of the case statement
- -- since even in presence of incorrect parameters in the stream,
- -- every exception will be caught and (if the subprogram is not an
- -- APC) put into the result stream and sent away.
-
- Append_To (Pkg_RPC_Receiver_Cases,
- Make_Case_Statement_Alternative (Loc,
- Discrete_Choices =>
- New_List (Make_Others_Choice (Loc)),
- Statements =>
- New_List (Make_Null_Statement (Loc))));
-
- Append_To (Pkg_RPC_Receiver_Statements,
- Make_Case_Statement (Loc,
- Expression =>
- New_Occurrence_Of (Subp_Index, Loc),
- Alternatives => Pkg_RPC_Receiver_Cases));
-
Append_To (Decls,
Make_Object_Declaration (Loc,
Defining_Identifier => Subp_Info_Array,
Make_Index_Or_Discriminant_Constraint (Loc,
New_List (
Make_Range (Loc,
- Low_Bound => Make_Integer_Literal (Loc,
- First_RCI_Subprogram_Id),
+ Low_Bound =>
+ Make_Integer_Literal (Loc,
+ Intval => First_RCI_Subprogram_Id),
High_Bound =>
Make_Integer_Literal (Loc,
- First_RCI_Subprogram_Id
- + List_Length (Subp_Info_List) - 1))))),
- Expression =>
- Make_Aggregate (Loc,
- Component_Associations => Subp_Info_List)));
+ Intval =>
+ First_RCI_Subprogram_Id
+ + List_Length (Subp_Info_List) - 1)))))));
+
+ if Present (First (Subp_Info_List)) then
+ Set_Expression (Last (Decls),
+ Make_Aggregate (Loc,
+ Component_Associations => Subp_Info_List));
+
+ -- Generate the dispatch statement to determine the subprogram id
+ -- of the called subprogram.
+
+ -- We first test whether the reference that was used to make the
+ -- call was the base RCI reference (in which case Local_Address is
+ -- zero, and the method identifier from the request must be used
+ -- to determine which subprogram is called) or a reference
+ -- identifying one particular subprogram (in which case
+ -- Local_Address is the address of that subprogram, and the
+ -- method name from the request is ignored). The latter occurs
+ -- for the case of a call through a remote access-to-subprogram.
+
+ -- In each case, cascaded elsifs are used to determine the proper
+ -- subprogram index. Using hash tables might be more efficient.
+
+ Append_To (Pkg_RPC_Receiver_Statements,
+ Make_Implicit_If_Statement (Pkg_Spec,
+ Condition =>
+ Make_Op_Ne (Loc,
+ Left_Opnd => New_Occurrence_Of (Local_Address, Loc),
+ Right_Opnd => New_Occurrence_Of
+ (RTE (RE_Null_Address), Loc)),
+
+ Then_Statements => New_List (
+ Make_Implicit_If_Statement (Pkg_Spec,
+ Condition => New_Occurrence_Of (Standard_False, Loc),
+ Then_Statements => New_List (
+ Make_Null_Statement (Loc)),
+ Elsif_Parts => Dispatch_On_Address)),
+
+ Else_Statements => New_List (
+ Make_Implicit_If_Statement (Pkg_Spec,
+ Condition => New_Occurrence_Of (Standard_False, Loc),
+ Then_Statements => New_List (Make_Null_Statement (Loc)),
+ Elsif_Parts => Dispatch_On_Name))));
+
+ else
+ -- For a degenerate RCI with no visible subprograms,
+ -- Subp_Info_List has zero length, and the declaration is for an
+ -- empty array, in which case no initialization aggregate must be
+ -- generated. We do not generate a Dispatch_Statement either.
+
+ -- No initialization provided: remove CONSTANT so that the
+ -- declaration is not an incomplete deferred constant.
+
+ Set_Constant_Present (Last (Decls), False);
+ end if;
+
+ -- Analyze Subp_Info_Array declaration
+
Analyze (Last (Decls));
+ -- If we receive an invalid Subprogram_Id, it is best to do nothing
+ -- rather than raising an exception since we do not want someone
+ -- to crash a remote partition by sending invalid subprogram ids.
+ -- This is consistent with the other parts of the case statement
+ -- since even in presence of incorrect parameters in the stream,
+ -- every exception will be caught and (if the subprogram is not an
+ -- APC) put into the result stream and sent away.
+
+ Append_To (Pkg_RPC_Receiver_Cases,
+ Make_Case_Statement_Alternative (Loc,
+ Discrete_Choices => New_List (Make_Others_Choice (Loc)),
+ Statements => New_List (Make_Null_Statement (Loc))));
+
+ Append_To (Pkg_RPC_Receiver_Statements,
+ Make_Case_Statement (Loc,
+ Expression => New_Occurrence_Of (Subp_Index, Loc),
+ Alternatives => Pkg_RPC_Receiver_Cases));
+
+ -- Pkg_RPC_Receiver body is now complete: insert it into the tree and
+ -- analyze it.
+
Append_To (Decls, Pkg_RPC_Receiver_Body);
Analyze (Last (Decls));
Defining_Identifier =>
Make_Defining_Identifier (Loc, New_Internal_Name ('R')),
Aliased_Present => True,
- Object_Definition =>
- New_Occurrence_Of (RTE (RE_Servant), Loc));
+ Object_Definition => New_Occurrence_Of (RTE (RE_Servant), Loc));
Append_To (Decls, Pkg_RPC_Receiver_Object);
Analyze (Last (Decls));
Get_Library_Unit_Name_String (Pkg_Spec);
+
+ -- Name
+
Append_To (Register_Pkg_Actuals,
- -- Name
Make_String_Literal (Loc,
Strval => String_From_Name_Buffer));
+ -- Version
+
Append_To (Register_Pkg_Actuals,
- -- Version
Make_Attribute_Reference (Loc,
Prefix =>
New_Occurrence_Of
(Defining_Entity (Pkg_Spec), Loc),
- Attribute_Name =>
- Name_Version));
+ Attribute_Name => Name_Version));
+
+ -- Handler
Append_To (Register_Pkg_Actuals,
- -- Handler
Make_Attribute_Reference (Loc,
Prefix =>
New_Occurrence_Of (Pkg_RPC_Receiver, Loc),
Attribute_Name => Name_Access));
+ -- Receiver
+
Append_To (Register_Pkg_Actuals,
- -- Receiver
Make_Attribute_Reference (Loc,
Prefix =>
New_Occurrence_Of (
- Defining_Identifier (
- Pkg_RPC_Receiver_Object), Loc),
- Attribute_Name =>
- Name_Access));
+ Defining_Identifier (Pkg_RPC_Receiver_Object), Loc),
+ Attribute_Name => Name_Access));
+
+ -- Subp_Info
Append_To (Register_Pkg_Actuals,
- -- Subp_Info
Make_Attribute_Reference (Loc,
- Prefix =>
- New_Occurrence_Of (Subp_Info_Array, Loc),
- Attribute_Name =>
- Name_Address));
+ Prefix => New_Occurrence_Of (Subp_Info_Array, Loc),
+ Attribute_Name => Name_Address));
+
+ -- Subp_Info_Len
Append_To (Register_Pkg_Actuals,
- -- Subp_Info_Len
Make_Attribute_Reference (Loc,
- Prefix =>
- New_Occurrence_Of (Subp_Info_Array, Loc),
- Attribute_Name =>
- Name_Length));
+ Prefix => New_Occurrence_Of (Subp_Info_Array, Loc),
+ Attribute_Name => Name_Length));
+
+ -- Is_All_Calls_Remote
Append_To (Register_Pkg_Actuals,
- -- Is_All_Calls_Remote
New_Occurrence_Of (All_Calls_Remote_E, Loc));
+ -- ???
+
Append_To (Stmts,
Make_Procedure_Call_Statement (Loc,
Name =>
New_Occurrence_Of (RTE (RE_Register_Pkg_Receiving_Stub), Loc),
Parameter_Associations => Register_Pkg_Actuals));
Analyze (Last (Stmts));
-
end Add_Receiving_Stubs_To_Declarations;
---------------------------------
begin
-- ??? document general form of stub subprograms for the PolyORB case
- Request :=
- Make_Defining_Identifier (Loc, New_Internal_Name ('R'));
+ Request := Make_Defining_Identifier (Loc, New_Internal_Name ('R'));
Append_To (Decls,
Make_Object_Declaration (Loc,
New_Occurrence_Of (RTE (RE_Request_Access), Loc)));
Result :=
- Make_Defining_Identifier (Loc, New_Internal_Name ('R'));
+ Make_Defining_Identifier (Loc,
+ Chars => New_Internal_Name ('R'));
if Is_Function then
- Result_TC := PolyORB_Support.Helpers.Build_TypeCode_Call (Loc,
- Etype (Result_Definition (Spec)), Decls);
+ Result_TC :=
+ PolyORB_Support.Helpers.Build_TypeCode_Call
+ (Loc, Etype (Result_Definition (Spec)), Decls);
else
Result_TC := New_Occurrence_Of (RTE (RE_TC_Void), Loc);
end if;
Make_Aggregate (Loc,
Component_Associations => New_List (
Make_Component_Association (Loc,
- Choices => New_List (
- Make_Identifier (Loc, Name_Name)),
+ Choices => New_List (Make_Identifier (Loc, Name_Name)),
Expression =>
New_Occurrence_Of (RTE (RE_Result_Name), Loc)),
Make_Component_Association (Loc,
Make_Identifier (Loc, Name_Argument)),
Expression =>
Make_Function_Call (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Create_Any), Loc),
- Parameter_Associations => New_List (
- Result_TC))),
+ Name => New_Occurrence_Of (RTE (RE_Create_Any), Loc),
+ Parameter_Associations => New_List (Result_TC))),
Make_Component_Association (Loc,
- Choices => New_List (
+ Choices => New_List (
Make_Identifier (Loc, Name_Arg_Modes)),
- Expression =>
- Make_Integer_Literal (Loc, 0))))));
+ Expression => Make_Integer_Literal (Loc, 0))))));
if not Is_Known_Asynchronous then
Exception_Return_Parameter :=
Current_Parameter := First (Ordered_Parameters_List);
while Present (Current_Parameter) loop
-
if Is_RACW_Controlling_Formal (Current_Parameter, Stub_Type) then
Is_Controlling_Formal := True;
Is_First_Controlling_Formal :=
not First_Controlling_Formal_Seen;
First_Controlling_Formal_Seen := True;
+
else
Is_Controlling_Formal := False;
Is_First_Controlling_Formal := False;
if Is_Controlling_Formal then
- -- In the case of a controlling formal argument, we send its
- -- reference.
+ -- For a controlling formal argument, we send its reference
Etyp := RACW_Type;
Etyp := Etype (Parameter_Type (Current_Parameter));
end if;
- -- The first controlling formal parameter is treated specially: it
- -- is used to set the target object of the call.
+ -- The first controlling formal parameter is treated specially:
+ -- it is used to set the target object of the call.
if not Is_First_Controlling_Formal then
-
declare
Constrained : constant Boolean :=
Is_Constrained (Etyp)
else
Actual_Parameter := OK_Convert_To (Etyp,
Make_Attribute_Reference (Loc,
- Prefix =>
- Actual_Parameter,
- Attribute_Name =>
- Name_Unrestricted_Access));
+ Prefix => Actual_Parameter,
+ Attribute_Name => Name_Unrestricted_Access));
end if;
end if;
-- parameter (always passed as a reference) other than
-- the first one.
- Expr := PolyORB_Support.Helpers.Build_To_Any_Call (
- Actual_Parameter, Decls);
+ Expr := PolyORB_Support.Helpers.Build_To_Any_Call
+ (Actual_Parameter, Decls);
+
else
Expr := Make_Function_Call (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Create_Any), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Create_Any), Loc),
Parameter_Associations => New_List (
- PolyORB_Support.Helpers.Build_TypeCode_Call (Loc,
- Etyp, Decls)));
+ PolyORB_Support.Helpers.Build_TypeCode_Call
+ (Loc, Etyp, Decls)));
end if;
Append_To (Decls,
Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Any,
+ Defining_Identifier => Any,
Aliased_Present => False,
Object_Definition =>
New_Occurrence_Of (RTE (RE_Any), Loc),
- Expression =>
- Expr));
+ Expression => Expr));
Append_To (Statements,
Add_Parameter_To_NVList (Loc,
New_Occurrence_Of (
Defining_Identifier (Current_Parameter), Loc),
Expression =>
- PolyORB_Support.Helpers.Build_From_Any_Call (
- Etype (Parameter_Type (Current_Parameter)),
- New_Occurrence_Of (Any, Loc),
- Decls)));
+ PolyORB_Support.Helpers.Build_From_Any_Call
+ (Etype (Parameter_Type (Current_Parameter)),
+ New_Occurrence_Of (Any, Loc),
+ Decls)));
end if;
end;
-- this status is transmitted as well.
-- This should be done for accessibility as well ???
- if Nkind (Parameter_Type (Current_Parameter))
- /= N_Access_Definition
+ if Nkind (Parameter_Type (Current_Parameter)) /=
+ N_Access_Definition
and then Need_Extra_Constrained (Current_Parameter)
then
-- In this block, we do not use the extra formal that has been
declare
Extra_Any_Parameter : constant Entity_Id :=
- Make_Defining_Identifier
- (Loc, New_Internal_Name ('P'));
+ Make_Defining_Identifier
+ (Loc, New_Internal_Name ('P'));
Parameter_Exp : constant Node_Id :=
Make_Attribute_Reference (Loc,
Prefix => New_Occurrence_Of (
Defining_Identifier (Current_Parameter), Loc),
Attribute_Name => Name_Constrained);
+
begin
Set_Etype (Parameter_Exp, Etype (Standard_Boolean));
Append_To (Decls,
Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Extra_Any_Parameter,
+ Defining_Identifier => Extra_Any_Parameter,
Aliased_Present => False,
Object_Definition =>
New_Occurrence_Of (RTE (RE_Any), Loc),
Expression =>
- PolyORB_Support.Helpers.Build_To_Any_Call (
- Parameter_Exp,
- Decls)));
+ PolyORB_Support.Helpers.Build_To_Any_Call
+ (Parameter_Exp, Decls)));
Append_To (Extra_Formal_Statements,
Add_Parameter_To_NVList (Loc,
Make_Procedure_Call_Statement (Loc,
Name =>
New_Occurrence_Of (RTE (RE_Request_Create), Loc),
+
Parameter_Associations => New_List (
Target_Object,
Subprogram_Id,
Append_To (Parameter_Associations (Last (Statements)),
New_Occurrence_Of (Request, Loc));
- pragma Assert (
- not (Is_Known_Non_Asynchronous and Is_Known_Asynchronous));
+ pragma Assert
+ (not (Is_Known_Non_Asynchronous and Is_Known_Asynchronous));
+
if Is_Known_Non_Asynchronous or Is_Known_Asynchronous then
- Asynchronous_P := New_Occurrence_Of (
- Boolean_Literals (Is_Known_Asynchronous), Loc);
+ Asynchronous_P :=
+ New_Occurrence_Of
+ (Boolean_Literals (Is_Known_Asynchronous), Loc);
+
else
pragma Assert (Present (Asynchronous));
Asynchronous_P := New_Copy_Tree (Asynchronous);
+
-- The expression node Asynchronous will be used to build an 'if'
-- statement at the end of Build_General_Calling_Stubs: we need to
-- make a copy here.
Append_To (Non_Asynchronous_Statements,
Make_Tag_Check (Loc,
- Make_Return_Statement (Loc,
- PolyORB_Support.Helpers.Build_From_Any_Call (
- Etype (Result_Definition (Spec)),
- Make_Selected_Component (Loc,
- Prefix => Result,
- Selector_Name => Name_Argument),
- Decls))));
+ Make_Simple_Return_Statement (Loc,
+ PolyORB_Support.Helpers.Build_From_Any_Call
+ (Etype (Result_Definition (Spec)),
+ Make_Selected_Component (Loc,
+ Prefix => Result,
+ Selector_Name => Name_Argument),
+ Decls))));
end if;
end if;
- Append_List_To (Non_Asynchronous_Statements,
- After_Statements);
+ Append_List_To (Non_Asynchronous_Statements, After_Statements);
if Is_Known_Asynchronous then
Append_List_To (Statements, Asynchronous_Statements);
Append_To (Decls,
Make_Object_Declaration (Loc,
Defining_Identifier => Target_Reference,
+
Object_Definition =>
New_Occurrence_Of (RTE (RE_Object_Ref), Loc),
+
Expression =>
Make_Function_Call (Loc,
Name =>
Make_Selected_Component (Loc,
Prefix => Controlling_Parameter,
Selector_Name => Name_Target)))));
- -- Controlling_Parameter has the same components as
+
+ -- Note: Controlling_Parameter has the same components as
-- System.Partition_Interface.RACW_Stub_Type.
Target_Info.Object := New_Occurrence_Of (Target_Reference, Loc);
else
Target_Info.Object :=
Make_Selected_Component (Loc,
- Prefix =>
- Make_Identifier (Loc, Chars (RCI_Locator)),
+ Prefix => Make_Identifier (Loc, Chars (RCI_Locator)),
Selector_Name =>
Make_Identifier (Loc, Name_Get_RCI_Package_Ref));
end if;
+
return Target_Info;
end Build_Stub_Target;
Make_Defining_Identifier (Loc, Name_Target),
Component_Definition =>
Make_Component_Definition (Loc,
- Aliased_Present =>
- False,
+ Aliased_Present => False,
Subtype_Indication =>
New_Occurrence_Of (RTE (RE_Entity_Ptr), Loc))),
Make_Component_Declaration (Loc,
Defining_Identifier =>
Make_Defining_Identifier (Loc, Name_Asynchronous),
+
Component_Definition =>
Make_Component_Definition (Loc,
Aliased_Present => False,
Subtype_Indication =>
- New_Occurrence_Of (
- Standard_Boolean, Loc)))))));
+ New_Occurrence_Of (Standard_Boolean, Loc)))))));
RPC_Receiver_Decl :=
Make_Object_Declaration (Loc,
New_Occurrence_Of (Parent_Primitive, Loc);
else
Called_Subprogram :=
- New_Occurrence_Of (
- Defining_Unit_Name (Specification (Vis_Decl)), Loc);
+ New_Occurrence_Of
+ (Defining_Unit_Name (Specification (Vis_Decl)), Loc);
end if;
Declare_Create_NVList (Loc, Arguments, Outer_Decls, Outer_Statements);
Any : Entity_Id := Empty;
Object : constant Entity_Id :=
Make_Defining_Identifier (Loc,
- New_Internal_Name ('P'));
+ Chars => New_Internal_Name ('P'));
Expr : Node_Id := Empty;
- Is_Controlling_Formal : constant Boolean
- := Is_RACW_Controlling_Formal (Current_Parameter, Stub_Type);
+ Is_Controlling_Formal : constant Boolean :=
+ Is_RACW_Controlling_Formal
+ (Current_Parameter, Stub_Type);
Is_First_Controlling_Formal : Boolean := False;
Is_First_Controlling_Formal :=
not First_Controlling_Formal_Seen;
First_Controlling_Formal_Seen := True;
+
else
Etyp := Etype (Parameter_Type (Current_Parameter));
end if;
Constrained :=
- Is_Constrained (Etyp)
- or else Is_Elementary_Type (Etyp);
+ Is_Constrained (Etyp) or else Is_Elementary_Type (Etyp);
+
+ if not Is_First_Controlling_Formal then
+ Any :=
+ Make_Defining_Identifier (Loc,
+ Chars => New_Internal_Name ('A'));
- if not Is_First_Controlling_Formal then
- Any := Make_Defining_Identifier (Loc,
- New_Internal_Name ('A'));
Append_To (Outer_Decls,
Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Any,
+ Defining_Identifier => Any,
Object_Definition =>
New_Occurrence_Of (RTE (RE_Any), Loc),
Expression =>
Make_Function_Call (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Create_Any), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Create_Any), Loc),
Parameter_Associations => New_List (
- PolyORB_Support.Helpers.Build_TypeCode_Call (Loc,
- Etyp, Outer_Decls)))));
+ PolyORB_Support.Helpers.Build_TypeCode_Call
+ (Loc, Etyp, Outer_Decls)))));
Append_To (Outer_Statements,
Add_Parameter_To_NVList (Loc,
if Is_First_Controlling_Formal then
declare
Addr : constant Entity_Id :=
- Make_Defining_Identifier (Loc,
- New_Internal_Name ('A'));
+ Make_Defining_Identifier (Loc,
+ Chars => New_Internal_Name ('A'));
+
Is_Local : constant Entity_Id :=
- Make_Defining_Identifier (Loc,
- New_Internal_Name ('L'));
- begin
+ Make_Defining_Identifier (Loc,
+ Chars => New_Internal_Name ('L'));
+ begin
-- Special case: obtain the first controlling formal
-- from the target of the remote call, instead of the
-- argument list.
Append_To (Outer_Decls,
Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Addr,
+ Defining_Identifier => Addr,
Object_Definition =>
New_Occurrence_Of (RTE (RE_Address), Loc)));
+
Append_To (Outer_Decls,
Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Is_Local,
+ Defining_Identifier => Is_Local,
Object_Definition =>
New_Occurrence_Of (Standard_Boolean, Loc)));
+
Append_To (Outer_Statements,
Make_Procedure_Call_Statement (Loc,
Name =>
- New_Occurrence_Of (
- RTE (RE_Get_Local_Address), Loc),
+ New_Occurrence_Of (RTE (RE_Get_Local_Address), Loc),
Parameter_Associations => New_List (
Make_Selected_Component (Loc,
Prefix =>
if Constrained then
Append_To (Statements,
Make_Assignment_Statement (Loc,
- Name =>
- New_Occurrence_Of (Object, Loc),
- Expression =>
- Expr));
+ Name => New_Occurrence_Of (Object, Loc),
+ Expression => Expr));
Expr := Empty;
else
null;
+
-- Expr will be used to initialize (and constrain) the
-- parameter when it is declared.
end if;
then
Append_To (After_Statements,
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Move_Any_Value), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Move_Any_Value), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (Any, Loc),
- PolyORB_Support.Helpers.Build_To_Any_Call (
- New_Occurrence_Of (Object, Loc),
- Decls))));
+ PolyORB_Support.Helpers.Build_To_Any_Call
+ (New_Occurrence_Of (Object, Loc), Decls))));
end if;
-- For RACW controlling formals, the Etyp of Object is always
if Is_Controlling_Formal then
if Nkind (Parameter_Type (Current_Parameter)) /=
- N_Access_Definition
+ N_Access_Definition
then
Append_To (Parameter_List,
Make_Parameter_Association (Loc,
Selector_Name =>
- New_Occurrence_Of (
- Defining_Identifier (Current_Parameter), Loc),
+ New_Occurrence_Of
+ (Defining_Identifier (Current_Parameter), Loc),
Explicit_Actual_Parameter =>
Make_Explicit_Dereference (Loc,
- Unchecked_Convert_To (RACW_Type,
- OK_Convert_To (RTE (RE_Address),
- New_Occurrence_Of (Object, Loc))))));
+ Prefix =>
+ Unchecked_Convert_To (RACW_Type,
+ OK_Convert_To (RTE (RE_Address),
+ New_Occurrence_Of (Object, Loc))))));
else
Append_To (Parameter_List,
Make_Parameter_Association (Loc,
Selector_Name =>
- New_Occurrence_Of (
- Defining_Identifier (Current_Parameter), Loc),
+ New_Occurrence_Of
+ (Defining_Identifier (Current_Parameter), Loc),
+
Explicit_Actual_Parameter =>
Unchecked_Convert_To (RACW_Type,
OK_Convert_To (RTE (RE_Address),
Extra_Constrained
(Defining_Identifier
(Current_Parameter));
+
Extra_Any : constant Entity_Id :=
- Make_Defining_Identifier
- (Loc, New_Internal_Name ('A'));
+ Make_Defining_Identifier (Loc,
+ Chars => New_Internal_Name ('A'));
Formal_Entity : constant Entity_Id :=
- Make_Defining_Identifier
- (Loc, Chars (Extra_Parameter));
+ Make_Defining_Identifier (Loc,
+ Chars => Chars (Extra_Parameter));
Formal_Type : constant Entity_Id :=
Etype (Extra_Parameter);
+
begin
Append_To (Outer_Decls,
Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Extra_Any,
+ Defining_Identifier => Extra_Any,
Object_Definition =>
New_Occurrence_Of (RTE (RE_Any), Loc),
Expression =>
Append_To (Statements,
Make_Assignment_Statement (Loc,
- Name =>
- New_Occurrence_Of (Formal_Entity, Loc),
+ Name => New_Occurrence_Of (Formal_Entity, Loc),
Expression =>
- PolyORB_Support.Helpers.Build_From_Any_Call (
- Formal_Type,
- New_Occurrence_Of (Extra_Any, Loc),
- Decls)));
+ PolyORB_Support.Helpers.Build_From_Any_Call
+ (Formal_Type,
+ New_Occurrence_Of (Extra_Any, Loc),
+ Decls)));
Set_Extra_Constrained (Object, Formal_Entity);
end;
end if;
Append_To (Outer_Statements,
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Request_Arguments), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Request_Arguments), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (Request_Parameter, Loc),
New_Occurrence_Of (Arguments, Loc))));
if Nkind (Specification (Vis_Decl)) = N_Function_Specification then
- -- The remote subprogram is a function. We build an inner block to
- -- be able to hold a potentially unconstrained result in a
- -- variable.
+ -- The remote subprogram is a function: Build an inner block to be
+ -- able to hold a potentially unconstrained result in a variable.
declare
Etyp : constant Entity_Id :=
Etype (Result_Definition (Specification (Vis_Decl)));
Result : constant Node_Id :=
Make_Defining_Identifier (Loc,
- New_Internal_Name ('R'));
+ Chars => New_Internal_Name ('R'));
+
begin
Inner_Decls := New_List (
Make_Object_Declaration (Loc,
Name => Called_Subprogram,
Parameter_Associations => Parameter_List)));
+ if Is_Class_Wide_Type (Etyp) then
+
+ -- For a remote call to a function with a class-wide type,
+ -- check that the returned value satisfies the requirements
+ -- of (RM E.4(18)).
+
+ Append_To (Inner_Decls,
+ Make_Transportable_Check (Loc,
+ New_Occurrence_Of (Result, Loc)));
+
+ end if;
+
Set_Etype (Result, Etyp);
Append_To (After_Statements,
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Set_Result), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Set_Result), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (Request_Parameter, Loc),
- PolyORB_Support.Helpers.Build_To_Any_Call (
- New_Occurrence_Of (Result, Loc),
- Decls))));
+ PolyORB_Support.Helpers.Build_To_Any_Call
+ (New_Occurrence_Of (Result, Loc), Decls))));
+
-- A DSA function does not have out or inout arguments
end;
Append_To (After_Statements,
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Request_Set_Out), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Request_Set_Out), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (Request_Parameter, Loc))));
Statements => New_List (Make_Null_Statement (Loc))));
else
-
-- In the other cases, if an exception is raised, then the
-- exception occurrence is propagated.
Append_To (Outer_Statements,
Make_Block_Statement (Loc,
- Declarations =>
- Decls,
+ Declarations => Decls,
Handled_Statement_Sequence =>
Make_Handled_Sequence_Of_Statements (Loc,
Statements => Statements)));
function Find_Numeric_Representation
(Typ : Entity_Id) return Entity_Id;
- -- Given a numeric type Typ, return the smallest integer or floarting
+ -- Given a numeric type Typ, return the smallest integer or floating
-- point type from Standard, or the smallest unsigned (modular) type
-- from System.Unsigned_Types, whose range encompasses that of Typ.
- function Make_Stream_Procedure_Function_Name
+ function Make_Helper_Function_Name
(Loc : Source_Ptr;
Typ : Entity_Id;
Nam : Name_Id) return Entity_Id;
- -- Return the name to be assigned for stream subprogram Nam of Typ.
- -- (copied from exp_strm.adb, should be shared???)
+ -- Return the name to be assigned for helper subprogram Nam of Typ
------------------------------------------------------------
-- Common subprograms for building various tree fragments --
Any : Entity_Id;
TC : Node_Id;
Idx : Node_Id) return Node_Id;
- -- Build a call to Get_Aggregate_Element on Any
- -- for typecode TC, returning the Idx'th element.
+ -- Build a call to Get_Aggregate_Element on Any for typecode TC,
+ -- returning the Idx'th element.
generic
Subprogram : Entity_Id;
Item := First (CI);
while Present (Item) loop
Def := Defining_Identifier (Item);
+
if not Is_Internal_Name (Chars (Def)) then
Add_Process_Element
(Stmts, Container, Counter, Rec, Def);
end if;
+
Next (Item);
end loop;
Fnam : Entity_Id := Empty;
Lib_RE : RE_Id := RE_Null;
Result : Node_Id;
- begin
+ begin
-- First simple case where the From_Any function is present
-- in the type's TSS.
elsif U_Type = Standard_String then
Lib_RE := RE_FA_String;
+ -- Special DSA types
+
+ elsif Is_RTE (U_Type, RE_Any_Content_Ptr) then
+ Lib_RE := RE_FA_A;
+
-- Other (non-primitive) types
else
Decl : out Node_Id;
Fnam : out Entity_Id)
is
- Spec : Node_Id;
+ Spec : Node_Id;
Decls : constant List_Id := New_List;
- Stms : constant List_Id := New_List;
- Any_Parameter : constant Entity_Id
- := Make_Defining_Identifier (Loc, New_Internal_Name ('A'));
+ Stms : constant List_Id := New_List;
+
+ Any_Parameter : constant Entity_Id :=
+ Make_Defining_Identifier (Loc,
+ New_Internal_Name ('A'));
+
+ Use_Opaque_Representation : Boolean;
+
begin
if Is_Itype (Typ) then
Build_From_Any_Function
(Loc => Loc,
- Typ => Etype (Typ),
- Decl => Decl,
- Fnam => Fnam);
+ Typ => Etype (Typ),
+ Decl => Decl,
+ Fnam => Fnam);
return;
end if;
- Fnam := Make_Stream_Procedure_Function_Name (Loc,
- Typ, Name_uFrom_Any);
+ Fnam := Make_Helper_Function_Name (Loc, Typ, Name_From_Any);
Spec :=
Make_Function_Specification (Loc,
Defining_Unit_Name => Fnam,
Parameter_Specifications => New_List (
Make_Parameter_Specification (Loc,
- Defining_Identifier =>
- Any_Parameter,
- Parameter_Type =>
- New_Occurrence_Of (RTE (RE_Any), Loc))),
+ Defining_Identifier => Any_Parameter,
+ Parameter_Type => New_Occurrence_Of (RTE (RE_Any), Loc))),
Result_Definition => New_Occurrence_Of (Typ, Loc));
-- The following is taken care of by Exp_Dist.Add_RACW_From_Any
pragma Assert
(not (Is_Remote_Access_To_Class_Wide_Type (Typ)));
- if Is_Derived_Type (Typ)
- and then not Is_Tagged_Type (Typ)
+ Use_Opaque_Representation := False;
+
+ if Has_Stream_Attribute_Definition
+ (Typ, TSS_Stream_Output, At_Any_Place => True)
+ or else
+ Has_Stream_Attribute_Definition
+ (Typ, TSS_Stream_Write, At_Any_Place => True)
then
+ -- If user-defined stream attributes are specified for this
+ -- type, use them and transmit data as an opaque sequence of
+ -- stream elements.
+
+ Use_Opaque_Representation := True;
+
+ elsif Is_Derived_Type (Typ) and then not Is_Tagged_Type (Typ) then
Append_To (Stms,
- Make_Return_Statement (Loc,
+ Make_Simple_Return_Statement (Loc,
Expression =>
- OK_Convert_To (
- Typ,
- Build_From_Any_Call (
- Root_Type (Typ),
- New_Occurrence_Of (Any_Parameter, Loc),
- Decls))));
+ OK_Convert_To (Typ,
+ Build_From_Any_Call
+ (Root_Type (Typ),
+ New_Occurrence_Of (Any_Parameter, Loc),
+ Decls))));
elsif Is_Record_Type (Typ)
and then not Is_Derived_Type (Typ)
then
if Nkind (Declaration_Node (Typ)) = N_Subtype_Declaration then
Append_To (Stms,
- Make_Return_Statement (Loc,
+ Make_Simple_Return_Statement (Loc,
Expression =>
- OK_Convert_To (
- Typ,
- Build_From_Any_Call (
- Etype (Typ),
- New_Occurrence_Of (Any_Parameter, Loc),
- Decls))));
+ OK_Convert_To (Typ,
+ Build_From_Any_Call
+ (Etype (Typ),
+ New_Occurrence_Of (Any_Parameter, Loc),
+ Decls))));
+
else
declare
- Disc : Entity_Id := Empty;
+ Disc : Entity_Id := Empty;
Discriminant_Associations : List_Id;
- Rdef : constant Node_Id :=
- Type_Definition (Declaration_Node (Typ));
- Component_Counter : Int := 0;
+ Rdef : constant Node_Id :=
+ Type_Definition
+ (Declaration_Node (Typ));
+ Component_Counter : Int := 0;
-- The returned object
procedure FA_Append_Record_Traversal is
new Append_Record_Traversal
- (Rec => Res,
- Add_Process_Element => FA_Rec_Add_Process_Element);
+ (Rec => Res,
+ Add_Process_Element => FA_Rec_Add_Process_Element);
--------------------------------
-- FA_Rec_Add_Process_Element --
Build_From_Any_Call (Etype (Field),
Build_Get_Aggregate_Element (Loc,
Any => Any,
- Tc => Build_TypeCode_Call (Loc,
+ TC => Build_TypeCode_Call (Loc,
Etype (Field), Decls),
Idx => Make_Integer_Literal (Loc,
Counter)),
-- A variant part
declare
- Variant : Node_Id;
+ Variant : Node_Id;
Struct_Counter : Int := 0;
Block_Decls : constant List_Id := New_List;
begin
Append_To (Decls,
Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Struct_Any,
- Constant_Present =>
- True,
- Object_Definition =>
+ Defining_Identifier => Struct_Any,
+ Constant_Present => True,
+ Object_Definition =>
New_Occurrence_Of (RTE (RE_Any), Loc),
- Expression =>
+ Expression =>
Make_Function_Call (Loc,
- Name => New_Occurrence_Of (
- RTE (RE_Extract_Union_Value), Loc),
+ Name =>
+ New_Occurrence_Of
+ (RTE (RE_Extract_Union_Value), Loc),
+
Parameter_Associations => New_List (
Build_Get_Aggregate_Element (Loc,
Any => Any,
- Tc => Make_Function_Call (Loc,
- Name => New_Occurrence_Of (
- RTE (RE_Any_Member_Type), Loc),
- Parameter_Associations =>
- New_List (
- New_Occurrence_Of (Any, Loc),
- Make_Integer_Literal (Loc,
- Counter))),
- Idx => Make_Integer_Literal (Loc,
- Counter))))));
+ TC =>
+ Make_Function_Call (Loc,
+ Name => New_Occurrence_Of (
+ RTE (RE_Any_Member_Type), Loc),
+ Parameter_Associations =>
+ New_List (
+ New_Occurrence_Of (Any, Loc),
+ Make_Integer_Literal (Loc,
+ Intval => Counter))),
+ Idx =>
+ Make_Integer_Literal (Loc,
+ Intval => Counter))))));
Append_To (Stmts,
Make_Block_Statement (Loc,
- Declarations =>
- Block_Decls,
+ Declarations => Block_Decls,
Handled_Statement_Sequence =>
Make_Handled_Sequence_Of_Statements (Loc,
Statements => Block_Stmts)));
Expression =>
Make_Selected_Component (Loc,
Prefix => Rec,
- Selector_Name =>
- Chars (Name (Field))),
- Alternatives =>
- Alt_List));
+ Selector_Name => Chars (Name (Field))),
+ Alternatives => Alt_List));
Variant := First_Non_Pragma (Variants (Field));
-
while Present (Variant) loop
- Choice_List := New_Copy_List_Tree
- (Discrete_Choices (Variant));
+ Choice_List :=
+ New_Copy_List_Tree
+ (Discrete_Choices (Variant));
VP_Stmts := New_List;
Append_To (Alt_List,
Make_Case_Statement_Alternative (Loc,
Discrete_Choices => Choice_List,
- Statements =>
- VP_Stmts));
+ Statements => VP_Stmts));
Next_Non_Pragma (Variant);
end loop;
end;
end if;
+
Counter := Counter + 1;
end FA_Rec_Add_Process_Element;
-- First all discriminants
if Has_Discriminants (Typ) then
- Disc := First_Discriminant (Typ);
Discriminant_Associations := New_List;
+ Disc := First_Discriminant (Typ);
while Present (Disc) loop
declare
Disc_Var_Name : constant Entity_Id :=
- Make_Defining_Identifier (Loc, Chars (Disc));
- Disc_Type : constant Entity_Id :=
- Etype (Disc);
+ Make_Defining_Identifier (Loc,
+ Chars => Chars (Disc));
+ Disc_Type : constant Entity_Id :=
+ Etype (Disc);
+
begin
Append_To (Decls,
Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Disc_Var_Name,
- Constant_Present => True,
- Object_Definition =>
+ Defining_Identifier => Disc_Var_Name,
+ Constant_Present => True,
+ Object_Definition =>
New_Occurrence_Of (Disc_Type, Loc),
+
Expression =>
Build_From_Any_Call (Disc_Type,
Build_Get_Aggregate_Element (Loc,
Any => Any_Parameter,
- Tc => Build_TypeCode_Call
+ TC => Build_TypeCode_Call
(Loc, Disc_Type, Decls),
- Idx => Make_Integer_Literal
- (Loc, Component_Counter)),
+ Idx => Make_Integer_Literal (Loc,
+ Intval => Component_Counter)),
Decls)));
+
Component_Counter := Component_Counter + 1;
Append_To (Discriminant_Associations,
Next_Discriminant (Disc);
end loop;
- Res_Definition := Make_Subtype_Indication (Loc,
- Subtype_Mark => Res_Definition,
- Constraint =>
- Make_Index_Or_Discriminant_Constraint (Loc,
- Discriminant_Associations));
+ Res_Definition :=
+ Make_Subtype_Indication (Loc,
+ Subtype_Mark => Res_Definition,
+ Constraint =>
+ Make_Index_Or_Discriminant_Constraint (Loc,
+ Discriminant_Associations));
end if;
-- Now we have all the discriminants in variables, we can
Append_To (Decls,
Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Res,
- Object_Definition =>
- Res_Definition));
+ Defining_Identifier => Res,
+ Object_Definition => Res_Definition));
-- ... then all components
Counter => Component_Counter);
Append_To (Stms,
- Make_Return_Statement (Loc,
+ Make_Simple_Return_Statement (Loc,
Expression => New_Occurrence_Of (Res, Loc)));
end;
end if;
Expression => Empty);
Element_Any : Node_Id;
- begin
+ begin
declare
Element_TC : Node_Id;
- begin
+ begin
if Etype (Datum) = RTE (RE_Any) then
-- When Datum is an Any the Etype field is not
-- sufficient to determine the typecode of Datum
-- (which can be a TC_SEQUENCE or TC_ARRAY
-- depending on the value of Constrained).
+
-- Therefore we retrieve the typecode which has
-- been constructed in Append_Array_Traversal with
-- a call to Get_Any_Type.
Element_Any :=
Build_Get_Aggregate_Element (Loc,
Any => Any,
- Tc => Element_TC,
+ TC => Element_TC,
Idx => New_Occurrence_Of (Counter, Loc));
end;
New_Occurrence_Of (Counter, Loc),
Expression =>
Make_Op_Add (Loc,
- Left_Opnd =>
- New_Occurrence_Of (Counter, Loc),
- Right_Opnd =>
- Make_Integer_Literal (Loc, 1))));
+ Left_Opnd => New_Occurrence_Of (Counter, Loc),
+ Right_Opnd => Make_Integer_Literal (Loc, 1))));
if Nkind (Datum) /= N_Attribute_Reference then
if Etype (Datum) /= RTE (RE_Any) then
Set_Expression (Assignment,
- Build_From_Any_Call (
- Component_Type (Typ),
- Element_Any,
- Decls));
+ Build_From_Any_Call
+ (Component_Type (Typ), Element_Any, Decls));
else
Set_Expression (Assignment, Element_Any);
end if;
+
Prepend_To (Stmts, Assignment);
end if;
end FA_Ary_Add_Process_Element;
+ ------------------------
+ -- Local Declarations --
+ ------------------------
+
Counter : constant Entity_Id :=
Make_Defining_Identifier (Loc, Name_J);
Make_Object_Declaration (Loc,
Defining_Identifier =>
Make_Defining_Identifier (Loc, Lnam),
- Constant_Present =>
- True,
+ Constant_Present => True,
Object_Definition =>
New_Occurrence_Of (Indt, Loc),
Expression =>
- Build_From_Any_Call (
- Indt,
- Build_Get_Aggregate_Element (Loc,
- Any => Any_Parameter,
- Tc => Build_TypeCode_Call (Loc,
- Indt, Decls),
- Idx => Make_Integer_Literal (Loc, J - 1)),
+ Build_From_Any_Call
+ (Indt,
+ Build_Get_Aggregate_Element (Loc,
+ Any => Any_Parameter,
+ TC => Build_TypeCode_Call
+ (Loc, Indt, Decls),
+ Idx =>
+ Make_Integer_Literal (Loc, J - 1)),
Decls)));
Append_To (Decls,
Make_Object_Declaration (Loc,
Defining_Identifier =>
Make_Defining_Identifier (Loc, Hnam),
- Constant_Present =>
- True,
+
+ Constant_Present => True,
+
Object_Definition =>
New_Occurrence_Of (Indt, Loc),
+
Expression => Make_Attribute_Reference (Loc,
Prefix =>
New_Occurrence_Of (Indt, Loc),
+
Attribute_Name => Name_Val,
+
Expressions => New_List (
Make_Op_Subtract (Loc,
Left_Opnd =>
OK_Convert_To (
Standard_Long_Integer,
Make_Identifier (Loc, Lnam)),
+
Right_Opnd =>
OK_Convert_To (
Standard_Long_Integer,
Make_Function_Call (Loc,
- Name => New_Occurrence_Of (RTE (
+ Name =>
+ New_Occurrence_Of (RTE (
RE_Get_Nested_Sequence_Length
), Loc),
Parameter_Associations =>
New_Occurrence_Of (
Any_Parameter, Loc),
Make_Integer_Literal (Loc,
- J))))),
+ Intval => J))))),
+
Right_Opnd =>
Make_Integer_Literal (Loc, 1))))));
Initial_Counter_Value := Ndim;
Res_Subtype_Indication := Make_Subtype_Indication (Loc,
- Subtype_Mark =>
- Res_Subtype_Indication,
+ Subtype_Mark => Res_Subtype_Indication,
Constraint =>
Make_Index_Or_Discriminant_Constraint (Loc,
Constraints => Ranges));
Append_To (Decls,
Make_Object_Declaration (Loc,
Defining_Identifier => Component_TC,
- Constant_Present => True,
- Object_Definition =>
+ Constant_Present => True,
+ Object_Definition =>
New_Occurrence_Of (RTE (RE_TypeCode), Loc),
- Expression =>
+ Expression =>
Build_TypeCode_Call (Loc,
Component_Type (Typ), Decls)));
- Append_From_Any_Array_Iterator (Stms,
- Any_Parameter, Counter);
+ Append_From_Any_Array_Iterator
+ (Stms, Any_Parameter, Counter);
Append_To (Stms,
- Make_Return_Statement (Loc,
+ Make_Simple_Return_Statement (Loc,
Expression => New_Occurrence_Of (Res, Loc)));
end;
elsif Is_Integer_Type (Typ) or else Is_Unsigned_Type (Typ) then
Append_To (Stms,
- Make_Return_Statement (Loc,
+ Make_Simple_Return_Statement (Loc,
Expression =>
- Unchecked_Convert_To (
- Typ,
- Build_From_Any_Call (
- Find_Numeric_Representation (Typ),
- New_Occurrence_Of (Any_Parameter, Loc),
- Decls))));
+ Unchecked_Convert_To (Typ,
+ Build_From_Any_Call
+ (Find_Numeric_Representation (Typ),
+ New_Occurrence_Of (Any_Parameter, Loc),
+ Decls))));
else
+ Use_Opaque_Representation := True;
+ end if;
+
+ if Use_Opaque_Representation then
+
-- Default: type is represented as an opaque sequence of bytes
declare
Append_To (Decls,
Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Strm,
- Aliased_Present =>
- True,
+ Defining_Identifier => Strm,
+ Aliased_Present => True,
Object_Definition =>
New_Occurrence_Of (RTE (RE_Buffer_Stream_Type), Loc)));
Append_To (Stms,
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Any_To_BS), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Any_To_BS), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (Any_Parameter, Loc),
New_Occurrence_Of (Strm, Loc))));
Make_Object_Declaration (Loc,
Defining_Identifier => Res,
Constant_Present => True,
- Object_Definition =>
- New_Occurrence_Of (Typ, Loc),
+ Object_Definition => New_Occurrence_Of (Typ, Loc),
Expression =>
Make_Attribute_Reference (Loc,
Prefix => New_Occurrence_Of (Typ, Loc),
Name =>
New_Occurrence_Of (RTE (RE_Release_Buffer), Loc),
Parameter_Associations =>
- New_List (
- New_Occurrence_Of (Strm, Loc))),
- Make_Return_Statement (Loc,
+ New_List (New_Occurrence_Of (Strm, Loc))),
+ Make_Simple_Return_Statement (Loc,
Expression => New_Occurrence_Of (Res, Loc))))));
end;
begin
return Make_Function_Call (Loc,
Name =>
- New_Occurrence_Of (
- RTE (RE_Get_Aggregate_Element), Loc),
+ New_Occurrence_Of (RTE (RE_Get_Aggregate_Element), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (Any, Loc),
TC,
Start_String;
Store_String_Chars ("DSA:");
Get_Library_Unit_Name_String (Scope (E));
- Store_String_Chars (
- Name_Buffer (Name_Buffer'First
- .. Name_Buffer'First + Name_Len - 1));
+ Store_String_Chars
+ (Name_Buffer (Name_Buffer'First ..
+ Name_Buffer'First + Name_Len - 1));
Store_String_Char ('.');
Get_Name_String (Chars (E));
- Store_String_Chars (
- Name_Buffer (Name_Buffer'First
- .. Name_Buffer'First + Name_Len - 1));
+ Store_String_Chars
+ (Name_Buffer (Name_Buffer'First ..
+ Name_Buffer'First + Name_Len - 1));
Store_String_Chars (":1.0");
Repo_Id_Str := End_String;
Name_Str := String_From_Name_Buffer;
Typ : Entity_Id := Etype (N);
U_Type : Entity_Id;
-
Fnam : Entity_Id := Empty;
Lib_RE : RE_Id := RE_Null;
begin
-- If N is a selected component, then maybe its Etype has not been
- -- set yet: try to use the Etype of the selector_name in that
- -- case.
+ -- set yet: try to use Etype of the selector_name in that case.
if No (Typ) and then Nkind (N) = N_Selected_Component then
Typ := Etype (Selector_Name (N));
end if;
pragma Assert (Present (Typ));
- -- The full view, if Typ is private; the completion, if Typ is
- -- incomplete.
+ -- Get full view for private type, completion for incomplete type
U_Type := Underlying_Type (Typ);
elsif U_Type = Standard_String then
Lib_RE := RE_TA_String;
+ -- Special DSA types
+
+ elsif Is_RTE (U_Type, RE_Any_Content_Ptr) then
+ Lib_RE := RE_TA_A;
+
elsif U_Type = Underlying_Type (RTE (RE_TypeCode)) then
+ -- No corresponding FA_TC ???
Lib_RE := RE_TA_TC;
-- Other (non-primitive) types
Any_Decl : Node_Id;
Result_TC : Node_Id := Build_TypeCode_Call (Loc, Typ, Decls);
+ Use_Opaque_Representation : Boolean;
+ -- When True, use stream attributes and represent type as an
+ -- opaque sequence of bytes.
+
begin
if Is_Itype (Typ) then
Build_To_Any_Function
return;
end if;
- Fnam := Make_Stream_Procedure_Function_Name (Loc,
- Typ, Name_uTo_Any);
+ Fnam := Make_Helper_Function_Name (Loc, Typ, Name_To_Any);
Spec :=
Make_Function_Specification (Loc,
Defining_Unit_Name => Fnam,
Parameter_Specifications => New_List (
Make_Parameter_Specification (Loc,
- Defining_Identifier =>
- Expr_Parameter,
- Parameter_Type =>
- New_Occurrence_Of (Typ, Loc))),
- Result_Definition => New_Occurrence_Of (RTE (RE_Any), Loc));
+ Defining_Identifier => Expr_Parameter,
+ Parameter_Type => New_Occurrence_Of (Typ, Loc))),
+ Result_Definition => New_Occurrence_Of (RTE (RE_Any), Loc));
Set_Etype (Expr_Parameter, Typ);
Any_Decl :=
Make_Object_Declaration (Loc,
- Defining_Identifier =>
- Any,
- Object_Definition =>
- New_Occurrence_Of (RTE (RE_Any), Loc));
+ Defining_Identifier => Any,
+ Object_Definition => New_Occurrence_Of (RTE (RE_Any), Loc));
+
+ Use_Opaque_Representation := False;
+
+ if Has_Stream_Attribute_Definition
+ (Typ, TSS_Stream_Output, At_Any_Place => True)
+ or else
+ Has_Stream_Attribute_Definition
+ (Typ, TSS_Stream_Write, At_Any_Place => True)
+ then
+ -- If user-defined stream attributes are specified for this
+ -- type, use them and transmit data as an opaque sequence of
+ -- stream elements.
+
+ Use_Opaque_Representation := True;
+
+ elsif Is_Derived_Type (Typ) and then not Is_Tagged_Type (Typ) then
+
+ -- Non-tagged derived type: convert to root type
- if Is_Derived_Type (Typ) and then not Is_Tagged_Type (Typ) then
declare
- Rt_Type : constant Entity_Id
- := Root_Type (Typ);
- Expr : constant Node_Id
- := OK_Convert_To (
- Rt_Type,
- New_Occurrence_Of (Expr_Parameter, Loc));
+ Rt_Type : constant Entity_Id := Root_Type (Typ);
+ Expr : constant Node_Id :=
+ OK_Convert_To
+ (Rt_Type,
+ New_Occurrence_Of (Expr_Parameter, Loc));
begin
Set_Expression (Any_Decl, Build_To_Any_Call (Expr, Decls));
end;
elsif Is_Record_Type (Typ) and then not Is_Tagged_Type (Typ) then
+
+ -- Non-tagged record type
+
if Nkind (Declaration_Node (Typ)) = N_Subtype_Declaration then
declare
- Rt_Type : constant Entity_Id
- := Etype (Typ);
- Expr : constant Node_Id
- := OK_Convert_To (
- Rt_Type,
- New_Occurrence_Of (Expr_Parameter, Loc));
+ Rt_Type : constant Entity_Id := Etype (Typ);
+ Expr : constant Node_Id :=
+ OK_Convert_To (Rt_Type,
+ New_Occurrence_Of (Expr_Parameter, Loc));
begin
- Set_Expression (Any_Decl,
- Build_To_Any_Call (Expr, Decls));
+ Set_Expression
+ (Any_Decl, Build_To_Any_Call (Expr, Decls));
end;
+ -- Comment needed here (and label on declare block ???)
+
else
declare
- Disc : Entity_Id := Empty;
- Rdef : constant Node_Id :=
- Type_Definition (Declaration_Node (Typ));
- Counter : Int := 0;
+ Disc : Entity_Id := Empty;
+ Rdef : constant Node_Id :=
+ Type_Definition (Declaration_Node (Typ));
+ Counter : Int := 0;
Elements : constant List_Id := New_List;
procedure TA_Rec_Add_Process_Element
Counter : in out Int;
Rec : Entity_Id;
Field : Node_Id);
+ -- Processing routine for traversal below
procedure TA_Append_Record_Traversal is
new Append_Record_Traversal
else
-- A variant part
- declare
- Variant : Node_Id;
+ Variant_Part : declare
+ Variant : Node_Id;
Struct_Counter : Int := 0;
Block_Decls : constant List_Id := New_List;
Block_Stmts : constant List_Id := New_List;
VP_Stmts : List_Id;
- Alt_List : constant List_Id := New_List;
+ Alt_List : constant List_Id := New_List;
Choice_List : List_Id;
Union_Any : constant Entity_Id :=
function Make_Discriminant_Reference
return Node_Id;
- -- Build a selected component for the
- -- discriminant of this variant part.
+ -- Build reference to the discriminant for this
+ -- variant part.
---------------------------------
-- Make_Discriminant_Reference --
return Nod;
end Make_Discriminant_Reference;
+ -- Start processing for Variant_Part
+
begin
Append_To (Stmts,
Make_Block_Statement (Loc,
Make_Handled_Sequence_Of_Statements (Loc,
Statements => Block_Stmts)));
- -- Declare the Variant Part aggregate
- -- (Union_Any).
- -- Knowing the position of this VP in
- -- the variant record, we can fetch the
- -- VP typecode from Container.
+ -- Declare variant part aggregate (Union_Any).
+ -- Knowing the position of this VP in the
+ -- variant record, we can fetch the VP typecode
+ -- from Container.
Append_To (Block_Decls,
Make_Object_Declaration (Loc,
Make_Integer_Literal (Loc,
Counter)))))));
- -- Declare the inner struct aggregate
- -- (that will contain the components
- -- of this VP)
+ -- Declare inner struct aggregate (which
+ -- contains the components of this VP).
Append_To (Block_Decls,
Make_Object_Declaration (Loc,
Make_Integer_Literal (Loc,
Uint_1)))))));
- -- Construct a case statement that will choose
- -- the appropriate code at runtime depending on
- -- the discriminant.
+ -- Build case statement
Append_To (Block_Stmts,
Make_Case_Statement (Loc,
- Expression =>
- Make_Discriminant_Reference,
- Alternatives =>
- Alt_List));
+ Expression => Make_Discriminant_Reference,
+ Alternatives => Alt_List));
Variant := First_Non_Pragma (Variants (Field));
while Present (Variant) loop
VP_Stmts := New_List;
- -- Append discriminant value to union
- -- aggregate.
+ -- Append discriminant val to union aggregate
Append_To (VP_Stmts,
Make_Procedure_Call_Statement (Loc,
RTE (RE_Add_Aggregate_Element), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (Union_Any, Loc),
- Build_To_Any_Call (
- Make_Discriminant_Reference,
- Block_Decls))));
+ Build_To_Any_Call
+ (Make_Discriminant_Reference,
+ Block_Decls))));
-- Populate inner struct aggregate
Append_To (Alt_List,
Make_Case_Statement_Alternative (Loc,
Discrete_Choices => Choice_List,
- Statements => VP_Stmts));
+ Statements => VP_Stmts));
Next_Non_Pragma (Variant);
end loop;
- end;
+ end Variant_Part;
end if;
+
Counter := Counter + 1;
end TA_Rec_Add_Process_Element;
begin
-- Records are encoded in a TC_STRUCT aggregate:
+
-- -- Outer aggregate (TC_STRUCT)
-- | [discriminant1]
-- | [discriminant2]
-- | ...
- --
+ -- |
-- | [component1]
-- | [component2]
-- | ...
- --
- -- A component can be a common component or a variant
- -- part.
- --
+
+ -- A component can be a common component or variant part
+
-- A variant part is encoded as a TC_UNION aggregate:
+
-- -- Variant Part Aggregate (TC_UNION)
-- | [discriminant choice for this Variant Part]
-- |
-- | | [component2]
-- | | ...
- -- Let's start by building the outer aggregate
- -- First we construct an Elements array containing all
- -- the discriminants.
+ -- Let's start by building the outer aggregate. First we
+ -- construct Elements array containing all discriminants.
if Has_Discriminants (Typ) then
Disc := First_Discriminant (Typ);
-
while Present (Disc) loop
-
declare
Discriminant : constant Entity_Id :=
- Make_Selected_Component (Loc,
- Prefix => Expr_Parameter,
- Selector_Name => Chars (Disc));
+ Make_Selected_Component (Loc,
+ Prefix =>
+ Expr_Parameter,
+ Selector_Name =>
+ Chars (Disc));
+
begin
Set_Etype (Discriminant, Etype (Disc));
Expression =>
Build_To_Any_Call (Discriminant, Decls)));
end;
+
Counter := Counter + 1;
Next_Discriminant (Disc);
end loop;
end if;
elsif Is_Array_Type (Typ) then
+
+ -- Constrained and unconstrained array types
+
declare
Constrained : constant Boolean := Is_Constrained (Typ);
end;
elsif Is_Integer_Type (Typ) or else Is_Unsigned_Type (Typ) then
+
+ -- Integer types
+
Set_Expression (Any_Decl,
Build_To_Any_Call (
OK_Convert_To (
Decls));
else
- -- Default: type is represented as an opaque sequence of bytes
+ -- Default case, including tagged types: opaque representation
+ Use_Opaque_Representation := True;
+ end if;
+
+ if Use_Opaque_Representation then
declare
- Strm : constant Entity_Id := Make_Defining_Identifier (Loc,
- New_Internal_Name ('S'));
+ Strm : constant Entity_Id :=
+ Make_Defining_Identifier (Loc,
+ Chars => New_Internal_Name ('S'));
+ -- Stream used to store data representation produced by
+ -- stream attribute.
begin
- -- Strm : aliased Buffer_Stream_Type;
+ -- Generate:
+ -- Strm : aliased Buffer_Stream_Type;
Append_To (Decls,
Make_Object_Declaration (Loc,
Object_Definition =>
New_Occurrence_Of (RTE (RE_Buffer_Stream_Type), Loc)));
- -- Allocate_Buffer (Strm);
+ -- Generate:
+ -- Allocate_Buffer (Strm);
Append_To (Stms,
Make_Procedure_Call_Statement (Loc,
Parameter_Associations => New_List (
New_Occurrence_Of (Strm, Loc))));
- -- T'Output (Strm'Access, E);
+ -- Generate:
+ -- T'Output (Strm'Access, E);
Append_To (Stms,
Make_Attribute_Reference (Loc,
Prefix => New_Occurrence_Of (Typ, Loc),
Attribute_Name => Name_Output,
- Expressions => New_List (
+ Expressions => New_List (
Make_Attribute_Reference (Loc,
- Prefix => New_Occurrence_Of (Strm, Loc),
+ Prefix => New_Occurrence_Of (Strm, Loc),
Attribute_Name => Name_Access),
New_Occurrence_Of (Expr_Parameter, Loc))));
- -- BS_To_Any (Strm, A);
+ -- Generate:
+ -- BS_To_Any (Strm, A);
Append_To (Stms,
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_BS_To_Any), Loc),
+ Name => New_Occurrence_Of (RTE (RE_BS_To_Any), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (Strm, Loc),
New_Occurrence_Of (Any, Loc))));
- -- Release_Buffer (Strm);
+ -- Generate:
+ -- Release_Buffer (Strm);
Append_To (Stms,
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Release_Buffer), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Release_Buffer), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (Strm, Loc))));
end;
end if;
Append_To (Stms,
- Make_Return_Statement (Loc,
+ Make_Simple_Return_Statement (Loc,
Expression => New_Occurrence_Of (Any, Loc)));
Decl :=
Make_Subprogram_Body (Loc,
- Specification => Spec,
- Declarations => Decls,
+ Specification => Spec,
+ Declarations => Decls,
Handled_Statement_Sequence =>
Make_Handled_Sequence_Of_Statements (Loc,
Statements => Stms));
Typ : Entity_Id;
Decls : List_Id) return Node_Id
is
- U_Type : Entity_Id := Underlying_Type (Typ);
+ U_Type : Entity_Id := Underlying_Type (Typ);
-- The full view, if Typ is private; the completion,
-- if Typ is incomplete.
- Fnam : Entity_Id := Empty;
- Lib_RE : RE_Id := RE_Null;
-
- Expr : Node_Id;
+ Fnam : Entity_Id := Empty;
+ Lib_RE : RE_Id := RE_Null;
+ Expr : Node_Id;
begin
-- Special case System.PolyORB.Interface.Any: its primitives have
-- not been set yet, so can't call Find_Inherited_TSS.
if Typ = RTE (RE_Any) then
- Fnam := RTE (RE_TC_Any);
+ Fnam := RTE (RE_TC_A);
else
-- First simple case where the TypeCode is present
elsif U_Type = Standard_String then
Lib_RE := RE_TC_String;
+ -- Special DSA types
+
+ elsif Is_RTE (U_Type, RE_Any_Content_Ptr) then
+ Lib_RE := RE_TC_A;
+
-- Other (non-primitive) types
else
Stms : constant List_Id := New_List;
TCNam : constant Entity_Id :=
- Make_Stream_Procedure_Function_Name (Loc,
- Typ, Name_uTypeCode);
+ Make_Helper_Function_Name (Loc, Typ, Name_TypeCode);
Parameters : List_Id;
begin
Append_To (Parameter_List,
Make_Function_Call (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_TA_String), Loc),
+ Name => New_Occurrence_Of (RTE (RE_TA_String), Loc),
Parameter_Associations => New_List (
Make_String_Literal (Loc, S))));
end Add_String_Parameter;
begin
Append_To (Parameter_List,
Make_Function_Call (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_TA_TC), Loc),
- Parameter_Associations => New_List (
- TC_Node)));
+ Name => New_Occurrence_Of (RTE (RE_TA_TC), Loc),
+ Parameter_Associations => New_List (TC_Node)));
end Add_TypeCode_Parameter;
------------------------
begin
Append_To (Parameter_List,
Make_Function_Call (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_TA_LI), Loc),
+ Name => New_Occurrence_Of (RTE (RE_TA_LI), Loc),
Parameter_Associations => New_List (Expr_Node)));
end Add_Long_Parameter;
procedure Return_Constructed_TypeCode (Kind : Entity_Id) is
begin
Append_To (Stms,
- Make_Return_Statement (Loc,
+ Make_Simple_Return_Statement (Loc,
Expression =>
- Make_Constructed_TypeCode (Kind, Parameters)));
+ Make_Constructed_TypeCode (Kind, Parameters)));
end Return_Constructed_TypeCode;
------------------
-- A regular component
- Add_TypeCode_Parameter (
- Build_TypeCode_Call (Loc, Etype (Field), Decls), Params);
+ Add_TypeCode_Parameter
+ (Build_TypeCode_Call (Loc, Etype (Field), Decls), Params);
Get_Name_String (Chars (Field));
Add_String_Parameter (String_From_Name_Buffer, Params);
Make_Integer_Literal (Loc, J);
end if;
Append_To (Union_TC_Params,
- Make_Function_Call (Loc,
- Name => New_Occurrence_Of
- (RTE (RE_TA_A), Loc),
- Parameter_Associations =>
- New_List (
- Build_To_Any_Call
- (Expr, Decls))));
+ Build_To_Any_Call (Expr, Decls));
Add_Params_For_Variant_Components;
J := J + Uint_1;
declare
Default_Node : constant Node_Id :=
- Pick (Union_TC_Params, 4);
+ Pick (Union_TC_Params, 4);
New_Default_Node : constant Node_Id :=
Make_Function_Call (Loc,
-- Add a placeholder member label
-- for the default case.
- -- It must be of the discriminant
- -- type.
+ -- It must be of the discriminant type.
declare
Exp : constant Node_Id :=
begin
Set_Etype (Exp, Discriminant_Type);
Append_To (Union_TC_Params,
- Make_Function_Call (Loc,
- Name => New_Occurrence_Of
- (RTE (RE_TA_A), Loc),
- Parameter_Associations =>
- New_List (
- Build_To_Any_Call
- (Exp, Decls))));
+ Build_To_Any_Call (Exp, Decls));
end;
Add_Params_For_Variant_Components;
when others =>
+
+ -- Case of an explicit choice
+
declare
Exp : constant Node_Id :=
- New_Copy_Tree (Choice);
+ New_Copy_Tree (Choice);
begin
Append_To (Union_TC_Params,
- Make_Function_Call (Loc,
- Name => New_Occurrence_Of
- (RTE (RE_TA_A), Loc),
- Parameter_Associations =>
- New_List (
- Build_To_Any_Call
- (Exp, Decls))));
+ Build_To_Any_Call (Exp, Decls));
end;
Add_Params_For_Variant_Components;
end case;
+
Next (Choice);
Choice_Index := Choice_Index + 1;
-
end loop;
Next_Non_Pragma (Variant);
end loop;
-
end;
end if;
end TC_Rec_Add_Process_Element;
Spec :=
Make_Function_Specification (Loc,
- Defining_Unit_Name => Fnam,
+ Defining_Unit_Name => Fnam,
Parameter_Specifications => Empty_List,
- Result_Definition =>
+ Result_Definition =>
New_Occurrence_Of (RTE (RE_TypeCode), Loc));
Build_Name_And_Repository_Id (Typ,
Name_Str => Type_Name_Str, Repo_Id_Str => Type_Repo_Id_Str);
+
Initialize_Parameter_List
(Type_Name_Str, Type_Repo_Id_Str, Parameters);
- if Is_Derived_Type (Typ)
- and then not Is_Tagged_Type (Typ)
+ if Has_Stream_Attribute_Definition
+ (Typ, TSS_Stream_Output, At_Any_Place => True)
+ or else
+ Has_Stream_Attribute_Definition
+ (Typ, TSS_Stream_Write, At_Any_Place => True)
then
+ -- If user-defined stream attributes are specified for this
+ -- type, use them and transmit data as an opaque sequence of
+ -- stream elements.
+
+ Return_Alias_TypeCode
+ (New_Occurrence_Of (RTE (RE_TC_Opaque), Loc));
+
+ elsif Is_Derived_Type (Typ) and then not Is_Tagged_Type (Typ) then
Return_Alias_TypeCode (
Build_TypeCode_Call (Loc, Etype (Typ), Decls));
- elsif Is_Integer_Type (Typ)
- or else Is_Unsigned_Type (Typ)
- then
+ elsif Is_Integer_Type (Typ) or else Is_Unsigned_Type (Typ) then
Return_Alias_TypeCode (
Build_TypeCode_Call (Loc,
Find_Numeric_Representation (Typ), Decls));
- elsif Is_Record_Type (Typ)
- and then not Is_Tagged_Type (Typ)
- then
+ elsif Is_Record_Type (Typ) and then not Is_Tagged_Type (Typ) then
-- Record typecodes are encoded as follows:
-- -- TC_STRUCT
-- | [VP Name]
if Nkind (Declaration_Node (Typ)) = N_Subtype_Declaration then
- Return_Alias_TypeCode (
- Build_TypeCode_Call (Loc, Etype (Typ), Decls));
+ Return_Alias_TypeCode
+ (Build_TypeCode_Call (Loc, Etype (Typ), Decls));
+
else
declare
Disc : Entity_Id := Empty;
Rdef : constant Node_Id :=
- Type_Definition (Declaration_Node (Typ));
+ Type_Definition (Declaration_Node (Typ));
Dummy_Counter : Int := 0;
+
begin
-- Construct the discriminants typecodes
if Has_Discriminants (Typ) then
Disc := First_Discriminant (Typ);
end if;
+
while Present (Disc) loop
Add_TypeCode_Parameter (
Build_TypeCode_Call (Loc, Etype (Disc), Decls),
Indx : Node_Id := First_Index (Typ);
begin
- Inner_TypeCode := Build_TypeCode_Call (Loc,
- Component_Type (Typ),
- Decls);
+ Inner_TypeCode :=
+ Build_TypeCode_Call (Loc, Component_Type (Typ), Decls);
for J in 1 .. Ndim loop
if Constrained then
Build_To_Any_Call (
OK_Convert_To (RTE (RE_Long_Unsigned),
Make_Attribute_Reference (Loc,
- Prefix =>
- New_Occurrence_Of (Typ, Loc),
- Attribute_Name =>
- Name_Length,
+ Prefix => New_Occurrence_Of (Typ, Loc),
+ Attribute_Name => Name_Length,
Expressions => New_List (
Make_Integer_Literal (Loc,
- Ndim - J + 1)))),
+ Intval => Ndim - J + 1)))),
Decls),
Build_To_Any_Call (Inner_TypeCode, Decls)));
Decl :=
Make_Subprogram_Body (Loc,
- Specification => Spec,
- Declarations => Decls,
+ Specification => Spec,
+ Declarations => Decls,
Handled_Statement_Sequence =>
Make_Handled_Sequence_Of_Statements (Loc,
Statements => Stms));
Make_Indexed_Component (Loc,
New_Occurrence_Of (Arry, Loc),
Indices);
-
begin
Set_Etype (Element_Expr, Component_Type (Typ));
Add_Process_Element (Stmts,
declare
Loop_Any : Node_Id := Inner_Any;
- begin
+ begin
-- For the first dimension of a constrained array, we add
-- elements directly in the corresponding Any; there is no
-- intervening inner Any.
if Constrained then
Inner_Any_TypeCode_Expr :=
Make_Function_Call (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Get_TC), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Get_TC), Loc),
Parameter_Associations => New_List (
New_Occurrence_Of (Any, Loc)));
else
else
Inner_Any_TypeCode_Expr :=
Make_Function_Call (Loc,
- Name =>
- New_Occurrence_Of (RTE (RE_Content_Type), Loc),
+ Name => New_Occurrence_Of (RTE (RE_Content_Type), Loc),
Parameter_Associations => New_List (
Make_Identifier (Loc,
- New_External_Name ('T', Depth - 1))));
+ Chars => New_External_Name ('T', Depth - 1))));
end if;
Append_To (Decls,
end;
end Append_Array_Traversal;
- -----------------------------------------
- -- Make_Stream_Procedure_Function_Name --
- -----------------------------------------
+ -------------------------------
+ -- Make_Helper_Function_Name --
+ -------------------------------
- function Make_Stream_Procedure_Function_Name
+ function Make_Helper_Function_Name
(Loc : Source_Ptr;
Typ : Entity_Id;
Nam : Name_Id) return Entity_Id
is
begin
- -- For tagged types, we use a canonical name so that it matches
- -- the primitive spec. For all other cases, we use a serialized
- -- name so that multiple generations of the same procedure do not
- -- clash.
- if Is_Tagged_Type (Typ) then
- return Make_Defining_Identifier (Loc, Nam);
- else
- return Make_Defining_Identifier (Loc,
+ declare
+ Serial : Nat := 0;
+ -- For tagged types, we use a canonical name so that it matches
+ -- the primitive spec. For all other cases, we use a serialized
+ -- name so that multiple generations of the same procedure do
+ -- not clash.
+ begin
+ if not Is_Tagged_Type (Typ) then
+ Serial := Increment_Serial_Number;
+ end if;
+
+ -- Use prefixed underscore to avoid potential clash with used
+ -- identifier (we use attribute names for Nam).
+
+ return
+ Make_Defining_Identifier (Loc,
Chars =>
- New_External_Name (Nam, ' ', Increment_Serial_Number));
- end if;
- end Make_Stream_Procedure_Function_Name;
+ New_External_Name
+ (Related_Id => Nam,
+ Suffix => ' ', Suffix_Index => Serial,
+ Prefix => '_'));
+ end;
+ end Make_Helper_Function_Name;
end Helpers;
-----------------------------------
is
Stub_Elements : constant Stub_Structure :=
Stubs_Table.Get (Full_View);
+
begin
+ -- For an RACW encountered before the freeze point of its designated
+ -- type, the stub type is generated at the point of the RACW declaration
+ -- but the primitives are generated only once the designated type is
+ -- frozen. That freeze can occur in another scope, for example when the
+ -- RACW is declared in a nested package. In that case we need to
+ -- reestablish the stub type's scope prior to generating its primitive
+ -- operations.
+
if Stub_Elements /= Empty_Stub_Structure then
- Add_RACW_Primitive_Declarations_And_Bodies
- (Full_View,
- Stub_Elements.RPC_Receiver_Decl,
- Stub_Elements.Body_Decls);
+ declare
+ Saved_Scope : constant Entity_Id := Current_Scope;
+ Stubs_Scope : constant Entity_Id :=
+ Scope (Stub_Elements.Stub_Type);
+
+ begin
+ if Current_Scope /= Stubs_Scope then
+ Push_Scope (Stubs_Scope);
+ end if;
+
+ Add_RACW_Primitive_Declarations_And_Bodies
+ (Full_View,
+ Stub_Elements.RPC_Receiver_Decl,
+ Stub_Elements.Body_Decls);
+
+ if Current_Scope /= Saved_Scope then
+ Pop_Scope;
+ end if;
+ end;
end if;
end Remote_Types_Tagged_Full_View_Encountered;
(Loc : Source_Ptr;
Decls : List_Id;
RPC_Receiver : Entity_Id;
- Stub_Elements : Stub_Structure) is
+ Stub_Elements : Stub_Structure)
+ is
begin
case Get_PCS_Name is
when Name_PolyORB_DSA =>
Stub_Type : Entity_Id;
Stub_Type_Access : Entity_Id;
RPC_Receiver_Decl : Node_Id;
- Body_Decls : List_Id) is
+ Body_Decls : List_Id)
+ is
begin
case Get_PCS_Name is
when Name_PolyORB_DSA =>
- PolyORB_Support.Add_RACW_Features (
- RACW_Type,
- Desig,
- Stub_Type,
- Stub_Type_Access,
- RPC_Receiver_Decl,
- Body_Decls);
+ PolyORB_Support.Add_RACW_Features
+ (RACW_Type,
+ Desig,
+ Stub_Type,
+ Stub_Type_Access,
+ RPC_Receiver_Decl,
+ Body_Decls);
when others =>
- GARLIC_Support.Add_RACW_Features (
- RACW_Type,
- Stub_Type,
- Stub_Type_Access,
- RPC_Receiver_Decl,
- Body_Decls);
+ GARLIC_Support.Add_RACW_Features
+ (RACW_Type,
+ Stub_Type,
+ Stub_Type_Access,
+ RPC_Receiver_Decl,
+ Body_Decls);
end case;
end Specific_Add_RACW_Features;
procedure Specific_Add_RAST_Features
(Vis_Decl : Node_Id;
- RAS_Type : Entity_Id) is
+ RAS_Type : Entity_Id)
+ is
begin
case Get_PCS_Name is
when Name_PolyORB_DSA =>
begin
case Get_PCS_Name is
when Name_PolyORB_DSA =>
- PolyORB_Support.Add_Receiving_Stubs_To_Declarations (
- Pkg_Spec, Decls, Stmts);
+ PolyORB_Support.Add_Receiving_Stubs_To_Declarations
+ (Pkg_Spec, Decls, Stmts);
when others =>
- GARLIC_Support.Add_Receiving_Stubs_To_Declarations (
- Pkg_Spec, Decls, Stmts);
+ GARLIC_Support.Add_Receiving_Stubs_To_Declarations
+ (Pkg_Spec, Decls, Stmts);
end case;
end Specific_Add_Receiving_Stubs_To_Declarations;
begin
case Get_PCS_Name is
when Name_PolyORB_DSA =>
- PolyORB_Support.Build_General_Calling_Stubs (
- Decls,
- Statements,
- Target.Object,
- Subprogram_Id,
- Asynchronous,
- Is_Known_Asynchronous,
- Is_Known_Non_Asynchronous,
- Is_Function,
- Spec,
- Stub_Type,
- RACW_Type,
- Nod);
+ PolyORB_Support.Build_General_Calling_Stubs
+ (Decls,
+ Statements,
+ Target.Object,
+ Subprogram_Id,
+ Asynchronous,
+ Is_Known_Asynchronous,
+ Is_Known_Non_Asynchronous,
+ Is_Function,
+ Spec,
+ Stub_Type,
+ RACW_Type,
+ Nod);
+
when others =>
- GARLIC_Support.Build_General_Calling_Stubs (
- Decls,
- Statements,
- Target.Partition,
- Target.RPC_Receiver,
- Subprogram_Id,
- Asynchronous,
- Is_Known_Asynchronous,
- Is_Known_Non_Asynchronous,
- Is_Function,
- Spec,
- Stub_Type,
- RACW_Type,
- Nod);
+ GARLIC_Support.Build_General_Calling_Stubs
+ (Decls,
+ Statements,
+ Target.Partition,
+ Target.RPC_Receiver,
+ Subprogram_Id,
+ Asynchronous,
+ Is_Known_Asynchronous,
+ Is_Known_Non_Asynchronous,
+ Is_Function,
+ Spec,
+ Stub_Type,
+ RACW_Type,
+ Nod);
end case;
end Specific_Build_General_Calling_Stubs;
Subp_Index,
Stmts,
Decl);
+
when others =>
GARLIC_Support.Build_RPC_Receiver_Body
(RPC_Receiver,
when Name_PolyORB_DSA =>
return PolyORB_Support.Build_Stub_Target (Loc,
Decls, RCI_Locator, Controlling_Parameter);
+
when others =>
return GARLIC_Support.Build_Stub_Target (Loc,
Decls, RCI_Locator, Controlling_Parameter);
PolyORB_Support.Build_Stub_Type (
RACW_Type, Stub_Type,
Stub_Type_Decl, RPC_Receiver_Decl);
+
when others =>
GARLIC_Support.Build_Stub_Type (
RACW_Type, Stub_Type,
begin
case Get_PCS_Name is
when Name_PolyORB_DSA =>
- return PolyORB_Support.Build_Subprogram_Receiving_Stubs (
- Vis_Decl,
- Asynchronous,
- Dynamically_Asynchronous,
- Stub_Type,
- RACW_Type,
- Parent_Primitive);
+ return PolyORB_Support.Build_Subprogram_Receiving_Stubs
+ (Vis_Decl,
+ Asynchronous,
+ Dynamically_Asynchronous,
+ Stub_Type,
+ RACW_Type,
+ Parent_Primitive);
+
when others =>
- return GARLIC_Support.Build_Subprogram_Receiving_Stubs (
- Vis_Decl,
- Asynchronous,
- Dynamically_Asynchronous,
- Stub_Type,
- RACW_Type,
- Parent_Primitive);
+ return GARLIC_Support.Build_Subprogram_Receiving_Stubs
+ (Vis_Decl,
+ Asynchronous,
+ Dynamically_Asynchronous,
+ Stub_Type,
+ RACW_Type,
+ Parent_Primitive);
end case;
end Specific_Build_Subprogram_Receiving_Stubs;
+ -------------------------------
+ -- Transmit_As_Unconstrained --
+ -------------------------------
+
+ function Transmit_As_Unconstrained (Typ : Entity_Id) return Boolean is
+ begin
+ return
+ not (Is_Elementary_Type (Typ) or else Is_Constrained (Typ))
+ or else (Is_Access_Type (Typ) and then Can_Never_Be_Null (Typ));
+ end Transmit_As_Unconstrained;
+
--------------------------
-- Underlying_RACW_Type --
--------------------------
end if;
return
- Etype (Subtype_Indication (
- Component_Definition (
- First (Component_Items (Component_List (
- Type_Definition (Declaration_Node (Record_Type))))))));
+ Etype (Subtype_Indication
+ (Component_Definition
+ (First (Component_Items
+ (Component_List
+ (Type_Definition
+ (Declaration_Node (Record_Type))))))));
end Underlying_RACW_Type;
end Exp_Dist;
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