with Sem_Util; use Sem_Util;
with Snames; use Snames;
with Stand; use Stand;
-with Stringt; use Stringt;
with Targparm; use Targparm;
with Tbuild; use Tbuild;
with Ttypes; use Ttypes;
procedure Build_Array_Deep_Procs (Typ : Entity_Id) is
begin
Set_TSS (Typ,
- Make_Deep_Proc (
- Prim => Initialize_Case,
- Typ => Typ,
- Stmts => Make_Deep_Array_Body (Initialize_Case, Typ)));
+ Make_Deep_Proc
+ (Prim => Initialize_Case,
+ Typ => Typ,
+ Stmts => Make_Deep_Array_Body (Initialize_Case, Typ)));
if not Is_Immutably_Limited_Type (Typ) then
Set_TSS (Typ,
- Make_Deep_Proc (
- Prim => Adjust_Case,
- Typ => Typ,
- Stmts => Make_Deep_Array_Body (Adjust_Case, Typ)));
+ Make_Deep_Proc
+ (Prim => Adjust_Case,
+ Typ => Typ,
+ Stmts => Make_Deep_Array_Body (Adjust_Case, Typ)));
end if;
Set_TSS (Typ,
- Make_Deep_Proc (
- Prim => Finalize_Case,
- Typ => Typ,
- Stmts => Make_Deep_Array_Body (Finalize_Case, Typ)));
+ Make_Deep_Proc
+ (Prim => Finalize_Case,
+ Typ => Typ,
+ Stmts => Make_Deep_Array_Body (Finalize_Case, Typ)));
-- Create TSS primitive Finalize_Address for non-VM targets. JVM and
-- .NET do not support address arithmetic and unchecked conversions.
Statements => New_List (
Make_If_Statement (Loc,
- Condition =>
+ Condition =>
Make_Op_Not (Loc,
- Right_Opnd =>
- New_Reference_To (Raised_Id, Loc)),
+ Right_Opnd => New_Reference_To (Raised_Id, Loc)),
Then_Statements => New_List (
Make_Assignment_Statement (Loc,
- Name =>
- New_Reference_To (Raised_Id, Loc),
- Expression =>
- New_Reference_To (Standard_True, Loc)),
+ Name => New_Reference_To (Raised_Id, Loc),
+ Expression => New_Reference_To (Standard_True, Loc)),
Make_Procedure_Call_Statement (Loc,
- Name =>
+ Name =>
New_Reference_To (Proc_To_Call, Loc),
Parameter_Associations => Actuals)))));
end Build_Exception_Handler;
if Comes_From_Source (Typ) then
Coll_Id :=
Make_Defining_Identifier (Loc,
- Chars =>
- New_External_Name (Chars (Typ), "FC"));
+ Chars => New_External_Name (Chars (Typ), "FC"));
else
Coll_Id := Make_Temporary (Loc, 'F');
end if;
Append_To (Actions,
Make_Object_Declaration (Loc,
Defining_Identifier => Coll_Id,
- Object_Definition =>
+ Object_Definition =>
New_Reference_To (RTE (RE_Finalization_Collection), Loc)));
-- Storage pool selection and attribute decoration of the generated
Append_To (Actions,
Make_Procedure_Call_Statement (Loc,
- Name =>
+ Name =>
New_Reference_To (RTE (RE_Set_Storage_Pool_Ptr), Loc),
Parameter_Associations => New_List (
New_Reference_To (Coll_Id, Loc),
Make_Attribute_Reference (Loc,
- Prefix =>
- New_Reference_To (Pool_Id, Loc),
+ Prefix => New_Reference_To (Pool_Id, Loc),
Attribute_Name => Name_Unrestricted_Access))));
end if;
elsif Ekind (Typ) = E_Access_Subtype
or else (Ekind (Desig_Typ) = E_Incomplete_Type
- and then Has_Completion_In_Body (Desig_Typ))
+ and then Has_Completion_In_Body (Desig_Typ))
then
Insert_Actions (Parent (Typ), Actions);
Present (Mark_Id)
or else
(Present (Clean_Stmts)
- and then Is_Non_Empty_List (Clean_Stmts));
+ and then Is_Non_Empty_List (Clean_Stmts));
Exceptions_OK : constant Boolean :=
not Restriction_Active (No_Exception_Propagation);
For_Package_Body : constant Boolean := Nkind (N) = N_Package_Body;
Counter_Typ_Decl :=
Make_Subtype_Declaration (Loc,
Defining_Identifier => Counter_Typ,
- Subtype_Indication =>
+ Subtype_Indication =>
Make_Subtype_Indication (Loc,
- Subtype_Mark =>
- New_Reference_To (Standard_Natural, Loc),
- Constraint =>
+ Subtype_Mark => New_Reference_To (Standard_Natural, Loc),
+ Constraint =>
Make_Range_Constraint (Loc,
Range_Expression =>
Make_Range (Loc,
- Low_Bound =>
+ Low_Bound =>
Make_Integer_Literal (Loc, Uint_0),
High_Bound =>
Make_Integer_Literal (Loc, Counter_Val)))));
Counter_Decl :=
Make_Object_Declaration (Loc,
Defining_Identifier => Counter_Id,
- Object_Definition =>
- New_Reference_To (Counter_Typ, Loc),
- Expression =>
- Make_Integer_Literal (Loc, 0));
+ Object_Definition => New_Reference_To (Counter_Typ, Loc),
+ Expression => Make_Integer_Literal (Loc, 0));
-- Set the type of the counter explicitly to prevent errors when
-- examining object declarations later on.
----------------------
procedure Create_Finalizer is
- Conv_Name : Name_Id;
+ Body_Id : Entity_Id;
Fin_Body : Node_Id;
Fin_Spec : Node_Id;
Jump_Block : Node_Id;
Label : Node_Id;
Label_Id : Entity_Id;
- Prag_Decl : Node_Id;
- Spec_Decl : Node_Id;
- function Create_Finalizer_String return String_Id;
- -- Generate a string of the form <Name>_finalize where <Name> denotes
- -- the fully qualified name of the spec. The string is in lower case.
+ function New_Finalizer_Name return Name_Id;
+ -- Create a fully qualified name of a package spec or body finalizer.
+ -- The generated name is of the form: xx__yy__finalize_[spec|body].
- -----------------------------
- -- Create_Finalizer_String --
- -----------------------------
-
- function Create_Finalizer_String return String_Id is
- procedure Create_Finalizer_String (Id : Entity_Id);
- -- Generate a string of the form "Id__". If the identifier has a
- -- non-standard scope, process the scope first. The generated
- -- string is in lower case.
+ ------------------------
+ -- New_Finalizer_Name --
+ ------------------------
- -----------------------------
- -- Create_Finalizer_String --
- -----------------------------
+ function New_Finalizer_Name return Name_Id is
+ procedure New_Finalizer_Name (Id : Entity_Id);
+ -- Place "__<name-of-Id>" in the name buffer. If the identifier
+ -- has a non-standard scope, process the scope first.
- procedure Create_Finalizer_String (Id : Entity_Id) is
- S : constant Entity_Id := Scope (Id);
+ ------------------------
+ -- New_Finalizer_Name --
+ ------------------------
+ procedure New_Finalizer_Name (Id : Entity_Id) is
begin
- -- Climb the scope stack in order to start from the topmost
- -- name.
+ if Scope (Id) = Standard_Standard then
+ Get_Name_String (Chars (Id));
- if Present (S)
- and then S /= Standard_Standard
- then
- Create_Finalizer_String (S);
+ else
+ New_Finalizer_Name (Scope (Id));
+ Add_Str_To_Name_Buffer ("__");
+ Add_Str_To_Name_Buffer (Get_Name_String (Chars (Id)));
end if;
+ end New_Finalizer_Name;
- Get_Name_String (Chars (Id));
- Store_String_Chars (Name_Buffer (1 .. Name_Len));
- Store_String_Char ('_');
- Store_String_Char ('_');
- end Create_Finalizer_String;
-
- -- Start of processing for Create_Finalizer_String
+ -- Start of processing for New_Finalizer_Name
begin
- Start_String;
+ -- Create the fully qualified name of the enclosing scope
- -- Build a fully qualified name. Compilations for .NET/JVM use the
- -- finalizer name directly.
+ New_Finalizer_Name (Spec_Id);
- if VM_Target = No_VM then
- Create_Finalizer_String (Spec_Id);
- end if;
+ -- Generate:
+ -- __finalize_[spec|body]
- -- Add the name of the finalizer
+ Add_Str_To_Name_Buffer ("__finalize_");
- Get_Name_String (Chars (Fin_Id));
- Store_String_Chars (Name_Buffer (1 .. Name_Len));
+ if For_Package_Spec then
+ Add_Str_To_Name_Buffer ("spec");
+ else
+ Add_Str_To_Name_Buffer ("body");
+ end if;
- return End_String;
- end Create_Finalizer_String;
+ return Name_Find;
+ end New_Finalizer_Name;
-- Start of processing for Create_Finalizer
-- Step 1: Creation of the finalizer name
-- Packages must use a distinct name for their finalizers since the
- -- binder will have to generate calls to them by name.
-
- if For_Package then
+ -- binder will have to generate calls to them by name. The name is
+ -- of the following form:
- -- finalizeS for specs
+ -- xx__yy__finalize_[spec|body]
- if For_Package_Spec then
- Fin_Id :=
- Make_Defining_Identifier (Loc,
- Chars => New_External_Name (Name_Finalize, 'S'));
-
- -- finalizeB for bodies
-
- else
- Fin_Id :=
- Make_Defining_Identifier (Loc,
- Chars => New_External_Name (Name_Finalize, 'B'));
- end if;
+ if For_Package then
+ Fin_Id := Make_Defining_Identifier (Loc, New_Finalizer_Name);
+ Set_Has_Qualified_Name (Fin_Id);
+ Set_Has_Fully_Qualified_Name (Fin_Id);
-- The default name is _finalizer
Chars => New_External_Name (Name_uFinalizer));
end if;
- -- Step 2: Creation of the finalizer specification and export for
- -- packages.
+ -- Step 2: Creation of the finalizer specification
-- Generate:
-- procedure Fin_Id;
- -- pragma Export (CIL, Fin_Id, "Finalize[S/B]");
- -- -- for .NET targets
-
- -- pragma Export (Java, Fin_Id, "Finalize[S/B]");
- -- -- for JVM targets
-
- -- pragma Export (Ada, Fin_Id, "Spec_Id_Finalize[S/B]");
- -- -- for default targets
-
- if For_Package then
- Spec_Decl :=
- Make_Subprogram_Declaration (Loc,
- Specification =>
- Make_Procedure_Specification (Loc,
- Defining_Unit_Name => Fin_Id));
-
- -- Determine the proper convention depending on the target
-
- if VM_Target = CLI_Target then
- Conv_Name := Name_CIL;
-
- elsif VM_Target = JVM_Target then
- Conv_Name := Name_Java;
-
- else
- Conv_Name := Name_Ada;
- end if;
-
- Prag_Decl :=
- Make_Pragma (Loc,
- Chars => Name_Export,
- Pragma_Argument_Associations => New_List (
- Make_Pragma_Argument_Association (Loc,
- Expression =>
- Make_Identifier (Loc, Conv_Name)),
-
- Make_Pragma_Argument_Association (Loc,
- Expression =>
- New_Reference_To (Fin_Id, Loc)),
-
- Make_Pragma_Argument_Association (Loc,
- Expression =>
- Make_String_Literal (Loc, Create_Finalizer_String))));
- end if;
+ Fin_Spec :=
+ Make_Subprogram_Declaration (Loc,
+ Specification =>
+ Make_Procedure_Specification (Loc,
+ Defining_Unit_Name => Fin_Id));
-- Step 3: Creation of the finalizer body
-- Add L0, the default destination to the jump block
- Label_Id :=
- Make_Identifier (Loc, New_External_Name ('L', 0));
+ Label_Id := Make_Identifier (Loc, New_External_Name ('L', 0));
Set_Entity (Label_Id,
Make_Defining_Identifier (Loc, Chars (Label_Id)));
Label := Make_Label (Loc, Label_Id);
Prepend_To (Finalizer_Decls,
Make_Implicit_Label_Declaration (Loc,
Defining_Identifier => Entity (Label_Id),
- Label_Construct => Label));
+ Label_Construct => Label));
-- Generate:
-- when others =>
Append_To (Jump_Alts,
Make_Case_Statement_Alternative (Loc,
- Discrete_Choices => New_List (
- Make_Others_Choice (Loc)),
- Statements => New_List (
+ Discrete_Choices => New_List (Make_Others_Choice (Loc)),
+ Statements => New_List (
Make_Goto_Statement (Loc,
- Name =>
- New_Reference_To (Entity (Label_Id), Loc)))));
+ Name => New_Reference_To (Entity (Label_Id), Loc)))));
-- Generate:
-- <<L0>>
Jump_Block :=
Make_Case_Statement (Loc,
- Expression =>
- Make_Identifier (Loc, Chars (Counter_Id)),
+ Expression => Make_Identifier (Loc, Chars (Counter_Id)),
Alternatives => Jump_Alts);
if Acts_As_Clean
if Present (Mark_Id) then
Append_To (Finalizer_Stmts,
Make_Procedure_Call_Statement (Loc,
- Name =>
+ Name =>
New_Reference_To (RTE (RE_SS_Release), Loc),
Parameter_Associations => New_List (
New_Reference_To (Mark_Id, Loc))));
then
Prepend_To (Finalizer_Stmts,
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Reference_To (RTE (RE_Abort_Defer), Loc)));
+ Name => New_Reference_To (RTE (RE_Abort_Defer), Loc)));
Append_To (Finalizer_Stmts,
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Reference_To (RTE (RE_Abort_Undefer), Loc)));
+ Name => New_Reference_To (RTE (RE_Abort_Undefer), Loc)));
end if;
-- Generate:
-- Create the body of the finalizer
+ Body_Id := Make_Defining_Identifier (Loc, Chars (Fin_Id));
+
+ if For_Package then
+ Set_Has_Qualified_Name (Body_Id);
+ Set_Has_Fully_Qualified_Name (Body_Id);
+ end if;
+
Fin_Body :=
Make_Subprogram_Body (Loc,
Specification =>
Make_Procedure_Specification (Loc,
- Defining_Unit_Name =>
- Make_Defining_Identifier (Loc, Chars (Fin_Id))),
+ Defining_Unit_Name => Body_Id),
Declarations => Finalizer_Decls,
Handled_Statement_Sequence =>
- Make_Handled_Sequence_Of_Statements (Loc,
- Statements => Finalizer_Stmts));
+ Make_Handled_Sequence_Of_Statements (Loc, Finalizer_Stmts));
-- Step 4: Spec and body insertion, analysis
-- inserted at the top of the visible declarations.
if For_Package_Spec then
- Prepend_To (Decls, Prag_Decl);
- Prepend_To (Decls, Spec_Decl);
+ Prepend_To (Decls, Fin_Spec);
if Present (Priv_Decls) then
Append_To (Priv_Decls, Fin_Body);
else
declare
- Spec_Nod : Node_Id := Spec_Id;
+ Spec_Nod : Node_Id;
Vis_Decls : List_Id;
begin
+ Spec_Nod := Spec_Id;
while Nkind (Spec_Nod) /= N_Package_Specification loop
Spec_Nod := Parent (Spec_Nod);
end loop;
Vis_Decls := Visible_Declarations (Spec_Nod);
- Prepend_To (Vis_Decls, Prag_Decl);
- Prepend_To (Vis_Decls, Spec_Decl);
+ Prepend_To (Vis_Decls, Fin_Spec);
Append_To (Decls, Fin_Body);
end;
end if;
-- Push the name of the package
Push_Scope (Spec_Id);
- Analyze (Spec_Decl);
- Analyze (Prag_Decl);
+ Analyze (Fin_Spec);
Analyze (Fin_Body);
Pop_Scope;
-- Fin_Id; -- At_End handler
-- end;
- Fin_Spec :=
- Make_Subprogram_Declaration (Loc,
- Specification =>
- Make_Procedure_Specification (Loc,
- Defining_Unit_Name => Fin_Id));
-
pragma Assert (Present (Spec_Decls));
Append_To (Spec_Decls, Fin_Spec);
elsif not Is_Imported (Obj_Id)
and then Needs_Finalization (Obj_Typ)
and then not (Ekind (Obj_Id) = E_Constant
- and then not Has_Completion (Obj_Id))
+ and then not Has_Completion (Obj_Id))
then
Processing_Actions;
and then Present (Expr)
and then
(Is_Null_Access_BIP_Func_Call (Expr)
- or else
- (Is_Non_BIP_Func_Call (Expr)
- and then not Is_Related_To_Func_Return (Obj_Id)))
+ or else (Is_Non_BIP_Func_Call (Expr)
+ and then not
+ Is_Related_To_Func_Return (Obj_Id)))
then
Processing_Actions (Has_No_Init => True);
and then not In_Library_Level_Package_Body (Obj_Id)
and then
(Is_Simple_Protected_Type (Obj_Typ)
- or else Has_Simple_Protected_Object (Obj_Typ))
+ or else Has_Simple_Protected_Object (Obj_Typ))
then
Processing_Actions (Is_Protected => True);
end if;
Typ := Entity (Decl);
if (Is_Access_Type (Typ)
- and then not Is_Access_Subprogram_Type (Typ)
- and then Needs_Finalization
- (Available_View (Designated_Type (Typ))))
- or else
- (Is_Type (Typ)
- and then Needs_Finalization (Typ))
+ and then not Is_Access_Subprogram_Type (Typ)
+ and then Needs_Finalization
+ (Available_View (Designated_Type (Typ))))
+ or else (Is_Type (Typ) and then Needs_Finalization (Typ))
then
Old_Counter_Val := Counter_Val;
Append_To (Decls,
Make_Object_Renaming_Declaration (Loc,
Defining_Identifier => Pool_Id,
- Subtype_Mark =>
+ Subtype_Mark =>
New_Reference_To (RTE (RE_Root_Storage_Pool), Loc),
- Name =>
+ Name =>
Make_Explicit_Dereference (Loc,
Prefix =>
Make_Function_Call (Loc,
- Name =>
+ Name =>
New_Reference_To (RTE (RE_Base_Pool), Loc),
-
Parameter_Associations => New_List (
Make_Explicit_Dereference (Loc,
- Prefix =>
- New_Reference_To (Collect, Loc)))))));
+ Prefix => New_Reference_To (Collect, Loc)))))));
-- Create an access type which uses the storage pool of the
-- caller's collection.
Append_To (Decls,
Make_Full_Type_Declaration (Loc,
Defining_Identifier => Ptr_Typ,
- Type_Definition =>
+ Type_Definition =>
Make_Access_To_Object_Definition (Loc,
- Subtype_Indication =>
- New_Reference_To (Obj_Typ, Loc))));
+ Subtype_Indication => New_Reference_To (Obj_Typ, Loc))));
-- Perform minor decoration in order to set the collection and the
-- storage pool attributes.
Free_Blk :=
Make_Block_Statement (Loc,
- Declarations => Decls,
+ Declarations => Decls,
Handled_Statement_Sequence =>
Make_Handled_Sequence_Of_Statements (Loc,
Statements => New_List (Free_Stmt)));
Cond :=
Make_Op_Ne (Loc,
- Left_Opnd =>
- New_Reference_To (Collect, Loc),
- Right_Opnd =>
- Make_Null (Loc));
+ Left_Opnd => New_Reference_To (Collect, Loc),
+ Right_Opnd => Make_Null (Loc));
-- For constrained or tagged results escalate the condition to
-- include the allocation format. Generate:
begin
Cond :=
Make_And_Then (Loc,
- Left_Opnd =>
+ Left_Opnd =>
Make_Op_Gt (Loc,
- Left_Opnd =>
- New_Reference_To (Alloc, Loc),
+ Left_Opnd => New_Reference_To (Alloc, Loc),
Right_Opnd =>
Make_Integer_Literal (Loc,
UI_From_Int
return
Make_If_Statement (Loc,
- Condition => Cond,
+ Condition => Cond,
Then_Statements => New_List (Free_Blk));
end Build_BIP_Cleanup_Stmts;
return
(Present (Deep_Init)
- and then Chars (Deep_Init) = Call_Nam)
+ and then Chars (Deep_Init) = Call_Nam)
or else
(Present (Init)
- and then Chars (Init) = Call_Nam);
+ and then Chars (Init) = Call_Nam);
end;
end if;
Inc_Decl :=
Make_Assignment_Statement (Loc,
- Name =>
- New_Reference_To (Counter_Id, Loc),
- Expression =>
- Make_Integer_Literal (Loc, Counter_Val));
+ Name => New_Reference_To (Counter_Id, Loc),
+ Expression => Make_Integer_Literal (Loc, Counter_Val));
-- Insert the counter after all initialization has been done. The
-- place of insertion depends on the context. When dealing with a
-- L<counter> : label;
Label_Id :=
- Make_Identifier (Loc,
- Chars => New_External_Name ('L', Counter_Val));
+ Make_Identifier (Loc, New_External_Name ('L', Counter_Val));
Set_Entity (Label_Id,
- Make_Defining_Identifier (Loc, Chars (Label_Id)));
+ Make_Defining_Identifier (Loc, Chars (Label_Id)));
Label := Make_Label (Loc, Label_Id);
Prepend_To (Finalizer_Decls,
Make_Implicit_Label_Declaration (Loc,
Defining_Identifier => Entity (Label_Id),
- Label_Construct => Label));
+ Label_Construct => Label));
-- Create the associated jump with this object, generate:
--
Make_Case_Statement_Alternative (Loc,
Discrete_Choices => New_List (
Make_Integer_Literal (Loc, Counter_Val)),
- Statements => New_List (
+ Statements => New_List (
Make_Goto_Statement (Loc,
- Name =>
- New_Reference_To (Entity (Label_Id), Loc)))));
+ Name => New_Reference_To (Entity (Label_Id), Loc)))));
-- Insert the jump destination, generate:
--
Make_Block_Statement (Loc,
Handled_Statement_Sequence =>
Make_Handled_Sequence_Of_Statements (Loc,
- Statements => Fin_Stmts,
+ Statements => Fin_Stmts,
Exception_Handlers => New_List (
Make_Exception_Handler (Loc,
Exception_Choices => New_List (
Make_Others_Choice (Loc)),
- Statements => New_List (
+ Statements => New_List (
Make_Null_Statement (Loc)))))));
end if;
-- H505-021 This needs to be revisited on .NET/JVM
- if VM_Target = No_VM
- and then Is_Return_Object (Obj_Id)
- then
+ if VM_Target = No_VM and then Is_Return_Object (Obj_Id) then
declare
Func_Id : constant Entity_Id := Enclosing_Function (Obj_Id);
-
begin
if Is_Build_In_Place_Function (Func_Id)
and then Needs_BIP_Collection (Func_Id)
then
Fin_Stmts := New_List (
Make_If_Statement (Loc,
- Condition =>
+ Condition =>
Make_Op_Not (Loc,
Right_Opnd =>
New_Reference_To (Return_Flag (Obj_Id), Loc)),
Append_List_To (Finalizer_Stmts, Fin_Stmts);
-- Since the declarations are examined in reverse, the state counter
- -- must be dectemented in order to keep with the true position of
+ -- must be decremented in order to keep with the true position of
-- objects.
Counter_Val := Counter_Val - 1;
and then
(not Is_Library_Level_Entity (Spec_Id)
- -- Nested packages are considered to be library level entities,
- -- but do not need to be processed separately. True library level
- -- packages have a scope value of 1.
+ -- Nested packages are considered to be library level entities,
+ -- but do not need to be processed separately. True library level
+ -- packages have a scope value of 1.
or else Scope_Depth_Value (Spec_Id) /= Uint_1
or else (Is_Generic_Instance (Spec_Id)
- and then Package_Instantiation (Spec_Id) /= N))
+ and then Package_Instantiation (Spec_Id) /= N))
then
return;
end if;
-- that N has a declarative list since the finalizer spec will be
-- attached to it.
- if Has_Ctrl_Objs
- and then No (Decls)
- then
+ if Has_Ctrl_Objs and then No (Decls) then
Set_Declarations (N, New_List);
Decls := Declarations (N);
Spec_Decls := Decls;
-- cases, the finalizer must be created and carry the additional
-- statements.
- if Acts_As_Clean
- or else Has_Ctrl_Objs
- then
+ if Acts_As_Clean or else Has_Ctrl_Objs then
Build_Components;
end if;
-- Step 3: Finalizer creation
- if Acts_As_Clean
- or else Has_Ctrl_Objs
- then
+ if Acts_As_Clean or else Has_Ctrl_Objs then
Create_Finalizer;
end if;
end Build_Finalizer;
begin
Block :=
- Make_Block_Statement (Loc,
- Handled_Statement_Sequence => HSS);
+ Make_Block_Statement (Loc, Handled_Statement_Sequence => HSS);
Set_Handled_Statement_Sequence (N,
Make_Handled_Sequence_Of_Statements (Loc, New_List (Block)));
for Final_Prim in Name_Of'Range loop
if Name_Of (Final_Prim) = Nam then
Set_TSS (Typ,
- Make_Deep_Proc (
- Prim => Final_Prim,
- Typ => Typ,
- Stmts => Make_Deep_Record_Body (Final_Prim, Typ)));
+ Make_Deep_Proc
+ (Prim => Final_Prim,
+ Typ => Typ,
+ Stmts => Make_Deep_Record_Body (Final_Prim, Typ)));
end if;
end loop;
end Build_Late_Proc;
Append_To (Result,
Make_Object_Declaration (Loc,
Defining_Identifier => Temp_Id,
- Constant_Present => True,
- Object_Definition =>
+ Constant_Present => True,
+ Object_Definition =>
New_Reference_To (RTE (RE_Exception_Occurrence_Access), Loc),
- Expression =>
+ Expression =>
Make_Function_Call (Loc,
Name =>
Make_Explicit_Dereference (Loc,
A_Expr :=
Make_And_Then (Loc,
- Left_Opnd =>
+ Left_Opnd =>
Make_Op_Ne (Loc,
- Left_Opnd =>
- New_Reference_To (Temp_Id, Loc),
- Right_Opnd =>
- Make_Null (Loc)),
+ Left_Opnd => New_Reference_To (Temp_Id, Loc),
+ Right_Opnd => Make_Null (Loc)),
Right_Opnd =>
Make_Op_Eq (Loc,
Left_Opnd =>
Make_Function_Call (Loc,
- Name =>
+ Name =>
New_Reference_To (RTE (RE_Exception_Identity), Loc),
Parameter_Associations => New_List (
Make_Explicit_Dereference (Loc,
- Prefix =>
- New_Reference_To (Temp_Id, Loc)))),
+ Prefix => New_Reference_To (Temp_Id, Loc)))),
Right_Opnd =>
Make_Attribute_Reference (Loc,
- Prefix =>
+ Prefix =>
New_Reference_To (Stand.Abort_Signal, Loc),
Attribute_Name => Name_Identity)));
end;
Append_To (Result,
Make_Object_Declaration (Loc,
Defining_Identifier => Abort_Id,
- Constant_Present => True,
- Object_Definition =>
- New_Reference_To (Standard_Boolean, Loc),
- Expression => A_Expr));
+ Constant_Present => True,
+ Object_Definition => New_Reference_To (Standard_Boolean, Loc),
+ Expression => A_Expr));
-- Generate:
-- E_Id : Exception_Occurrence;
E_Decl :=
Make_Object_Declaration (Loc,
Defining_Identifier => E_Id,
- Object_Definition =>
+ Object_Definition =>
New_Reference_To (RTE (RE_Exception_Occurrence), Loc));
Set_No_Initialization (E_Decl);
Append_To (Result,
Make_Object_Declaration (Loc,
Defining_Identifier => Raised_Id,
- Object_Definition =>
- New_Reference_To (Standard_Boolean, Loc),
- Expression =>
- New_Reference_To (Standard_False, Loc)));
+ Object_Definition => New_Reference_To (Standard_Boolean, Loc),
+ Expression => New_Reference_To (Standard_False, Loc)));
return Result;
end Build_Object_Declarations;
return
Make_If_Statement (Loc,
- Condition =>
- New_Reference_To (Raised_Id, Loc),
-
+ Condition => New_Reference_To (Raised_Id, Loc),
Then_Statements => New_List (
Make_Procedure_Call_Statement (Loc,
- Name =>
- New_Reference_To (Proc_Id, Loc),
+ Name => New_Reference_To (Proc_Id, Loc),
Parameter_Associations => Params)));
end Build_Raise_Statement;
procedure Build_Record_Deep_Procs (Typ : Entity_Id) is
begin
Set_TSS (Typ,
- Make_Deep_Proc (
- Prim => Initialize_Case,
- Typ => Typ,
- Stmts => Make_Deep_Record_Body (Initialize_Case, Typ)));
+ Make_Deep_Proc
+ (Prim => Initialize_Case,
+ Typ => Typ,
+ Stmts => Make_Deep_Record_Body (Initialize_Case, Typ)));
if not Is_Immutably_Limited_Type (Typ) then
Set_TSS (Typ,
- Make_Deep_Proc (
- Prim => Adjust_Case,
- Typ => Typ,
- Stmts => Make_Deep_Record_Body (Adjust_Case, Typ)));
+ Make_Deep_Proc
+ (Prim => Adjust_Case,
+ Typ => Typ,
+ Stmts => Make_Deep_Record_Body (Adjust_Case, Typ)));
end if;
Set_TSS (Typ,
- Make_Deep_Proc (
- Prim => Finalize_Case,
- Typ => Typ,
- Stmts => Make_Deep_Record_Body (Finalize_Case, Typ)));
+ Make_Deep_Proc
+ (Prim => Finalize_Case,
+ Typ => Typ,
+ Stmts => Make_Deep_Record_Body (Finalize_Case, Typ)));
-- Create TSS primitive Finalize_Address for non-VM targets. JVM and
-- .NET do not support address arithmetic and unchecked conversions.
if VM_Target = No_VM then
Set_TSS (Typ,
- Make_Deep_Proc (
- Prim => Address_Case,
- Typ => Typ,
- Stmts => Make_Deep_Record_Body (Address_Case, Typ)));
+ Make_Deep_Proc
+ (Prim => Address_Case,
+ Typ => Typ,
+ Stmts => Make_Deep_Record_Body (Address_Case, Typ)));
end if;
end Build_Record_Deep_Procs;
return New_List (
Make_Implicit_Loop_Statement (N,
- Identifier => Empty,
+ Identifier => Empty,
Iteration_Scheme =>
Make_Iteration_Scheme (Loc,
Loop_Parameter_Specification =>
Make_Loop_Parameter_Specification (Loc,
- Defining_Identifier => Index,
+ Defining_Identifier => Index,
Discrete_Subtype_Definition =>
Make_Attribute_Reference (Loc,
- Prefix => Duplicate_Subexpr (Obj),
+ Prefix => Duplicate_Subexpr (Obj),
Attribute_Name => Name_Range,
- Expressions => New_List (
+ Expressions => New_List (
Make_Integer_Literal (Loc, Dim))))),
- Statements => Free_One_Dimension (Dim + 1)));
+ Statements => Free_One_Dimension (Dim + 1)));
end if;
end Free_One_Dimension;
Nkind (Type_Definition (Parent (U_Typ))) = N_Record_Definition
and then
Present
- (Variant_Part
- (Component_List (Type_Definition (Parent (U_Typ)))))
+ (Variant_Part (Component_List (Type_Definition (Parent (U_Typ)))))
then
- -- For now, do not attempt to free a component that may appear in
- -- a variant, and instead issue a warning. Doing this "properly"
- -- would require building a case statement and would be quite a
- -- mess. Note that the RM only requires that free "work" for the
- -- case of a task access value, so already we go way beyond this
- -- in that we deal with the array case and non-discriminated
- -- record cases.
+ -- For now, do not attempt to free a component that may appear in a
+ -- variant, and instead issue a warning. Doing this "properly" would
+ -- require building a case statement and would be quite a mess. Note
+ -- that the RM only requires that free "work" for the case of a task
+ -- access value, so already we go way beyond this in that we deal
+ -- with the array case and non-discriminated record cases.
Error_Msg_N
("task/protected object in variant record will not be freed?", N);
end if;
Comp := First_Component (Typ);
-
while Present (Comp) loop
if Has_Task (Etype (Comp))
or else Has_Simple_Protected_Object (Etype (Comp))
-- Recurse, by generating the prefix of the argument to
-- the eventual cleanup call.
- Append_List_To
- (Stmts, Cleanup_Record (N, Tsk, Etype (Comp)));
+ Append_List_To (Stmts, Cleanup_Record (N, Tsk, Etype (Comp)));
elsif Is_Array_Type (Etype (Comp)) then
- Append_List_To
- (Stmts, Cleanup_Array (N, Tsk, Etype (Comp)));
+ Append_List_To (Stmts, Cleanup_Array (N, Tsk, Etype (Comp)));
end if;
end if;
elsif Ftyp /= Atyp
and then Present (Atyp)
- and then
- (Is_Private_Type (Ftyp) or else Is_Private_Type (Atyp))
- and then
- Base_Type (Underlying_Type (Atyp)) =
- Base_Type (Underlying_Type (Ftyp))
+ and then (Is_Private_Type (Ftyp) or else Is_Private_Type (Atyp))
+ and then Base_Type (Underlying_Type (Atyp)) =
+ Base_Type (Underlying_Type (Ftyp))
then
return Unchecked_Convert_To (Ftyp, Arg);
Append_To (New_Decls,
Make_Object_Declaration (Loc,
Defining_Identifier => Mark,
- Object_Definition =>
+ Object_Definition =>
New_Reference_To (RTE (RE_Mark_Id), Loc),
- Expression =>
+ Expression =>
Make_Function_Call (Loc,
- Name =>
- New_Reference_To (RTE (RE_SS_Mark), Loc))));
+ Name => New_Reference_To (RTE (RE_SS_Mark), Loc))));
Set_Uses_Sec_Stack (Scop, False);
end if;
Comp := First_Component (E);
while Present (Comp) loop
-
if Chars (Comp) = Name_uParent then
null;
begin
Comp := First_Component (T);
-
while Present (Comp) loop
if Has_Simple_Protected_Object (Etype (Comp)) then
return True;
(Typ : Entity_Id) return List_Id;
-- Create the statements necessary to adjust or finalize an array of
-- controlled elements. Generate:
-
+ --
-- declare
-- Temp : constant Exception_Occurrence_Access :=
-- Get_Current_Excep.all;
-- Standard'Abort_Signal'Identity;
-- <or>
-- Abort : constant Boolean := False; -- no abort
-
+ --
-- E : Exception_Occurrence;
-- Raised : Boolean := False;
-
+ --
-- begin
-- for J1 in [reverse] Typ'First (1) .. Typ'Last (1) loop
-- ^-- in the finalization case
-- for Jn in [reverse] Typ'First (n) .. Typ'Last (n) loop
-- begin
-- [Deep_]Adjust / Finalize (V (J1, ..., Jn));
-
+ --
-- exception
-- when others =>
-- if not Raised then
-- end loop;
-- ...
-- end loop;
-
+ --
-- if Raised then
-- Raise_From_Controlled_Operation (E, Abort);
-- end if;
-- Create the statements necessary to initialize an array of controlled
-- elements. Include a mechanism to carry out partial finalization if an
-- exception occurs. Generate:
-
+ --
-- declare
-- Counter : Integer := 0;
-
+ --
-- begin
-- for J1 in V'Range (1) loop
-- ...
-- for JN in V'Range (N) loop
-- begin
-- [Deep_]Initialize (V (J1, ..., JN));
-
+ --
-- Counter := Counter + 1;
-
+ --
-- exception
-- when others =>
-- declare
J := Last (Index_List);
Dim := Num_Dims;
- while Present (J)
- and then Dim > 0
- loop
+ while Present (J) and then Dim > 0 loop
Loop_Id := J;
Prev (J);
Remove (Loop_Id);
Dim := 1;
Expr :=
Make_Attribute_Reference (Loc,
- Prefix =>
- Make_Identifier (Loc, Name_V),
- Attribute_Name =>
- Name_Length,
- Expressions => New_List (
- Make_Integer_Literal (Loc, Dim)));
+ Prefix => Make_Identifier (Loc, Name_V),
+ Attribute_Name => Name_Length,
+ Expressions => New_List (Make_Integer_Literal (Loc, Dim)));
-- Process the rest of the dimensions, generate:
-- Expr * V'Length (N)
function Build_Initialization_Call return Node_Id is
Comp_Ref : constant Node_Id :=
Make_Indexed_Component (Loc,
- Prefix =>
- Make_Identifier (Loc, Name_V),
- Expressions =>
- New_References_To (Index_List, Loc));
+ Prefix => Make_Identifier (Loc, Name_V),
+ Expressions => New_References_To (Index_List, Loc));
begin
Set_Etype (Comp_Ref, Comp_Typ);
F := Last (Final_List);
Dim := Num_Dims;
- while Present (F)
- and then Dim > 0
- loop
+ while Present (F) and then Dim > 0 loop
Loop_Id := F;
Prev (F);
Remove (Loop_Id);
Final_Block :=
Make_Block_Statement (Loc,
- Declarations =>
+ Declarations =>
Build_Object_Declarations (Loc, Abort_Id, E_Id, Raised_Id),
-
Handled_Statement_Sequence =>
Make_Handled_Sequence_Of_Statements (Loc, Statements => Stmts));
Make_Block_Statement (Loc,
Handled_Statement_Sequence =>
Make_Handled_Sequence_Of_Statements (Loc,
- Statements => New_List (
- Build_Initialization_Call),
-
+ Statements => New_List (Build_Initialization_Call),
Exception_Handlers => New_List (
Make_Exception_Handler (Loc,
- Exception_Choices => New_List (
- Make_Others_Choice (Loc)),
- Statements => New_List (Final_Block)))));
+ Exception_Choices => New_List (Make_Others_Choice (Loc)),
+ Statements => New_List (Final_Block)))));
Append_To (Statements (Handled_Statement_Sequence (Init_Loop)),
Make_Assignment_Statement (Loc,
J := Last (Index_List);
Dim := Num_Dims;
- while Present (J)
- and then Dim > 0
- loop
+ while Present (J) and then Dim > 0 loop
Loop_Id := J;
Prev (J);
Remove (Loop_Id);
Defining_Identifier => Loop_Id,
Discrete_Subtype_Definition =>
Make_Attribute_Reference (Loc,
- Prefix =>
- Make_Identifier (Loc, Name_V),
+ Prefix => Make_Identifier (Loc, Name_V),
Attribute_Name => Name_Range,
Expressions => New_List (
Make_Integer_Literal (Loc, Dim))))),
return
New_List (
Make_Block_Statement (Loc,
- Declarations => New_List (
+ Declarations => New_List (
Make_Object_Declaration (Loc,
Defining_Identifier => Counter_Id,
Object_Definition =>
function Build_Adjust_Statements (Typ : Entity_Id) return List_Id;
-- Build the statements necessary to adjust a record type. The type may
-- have discriminants and contain variant parts. Generate:
-
+ --
-- begin
-- Root_Controlled (V).Finalized := False;
-
+ --
-- begin
-- [Deep_]Adjust (V.Comp_1);
-- exception
-- Save_Occurrence (E, Get_Current_Excep.all.all);
-- end if;
-- end;
-
+ --
-- begin
-- Deep_Adjust (V._parent, False); -- If applicable
-- exception
-- Save_Occurrence (E, Get_Current_Excep.all.all);
-- end if;
-- end;
-
+ --
-- if F then
-- begin
-- Adjust (V); -- If applicable
-- end if;
-- end;
-- end if;
-
+ --
-- if Raised then
-- Raise_From_Controlled_Object (E, Abort);
-- end if;
function Build_Finalize_Statements (Typ : Entity_Id) return List_Id;
-- Build the statements necessary to finalize a record type. The type
-- may have discriminants and contain variant parts. Generate:
-
+ --
-- declare
-- Temp : constant Exception_Occurrence_Access :=
-- Get_Current_Excep.all;
-- Abort : constant Boolean := False; -- no abort
-- E : Exception_Occurence;
-- Raised : Boolean := False;
-
+ --
-- begin
-- if Root_Controlled (V).Finalized then
-- return;
-- end if;
-
+ --
-- if F then
-- begin
-- Finalize (V); -- If applicable
-- end if;
-- end;
-- end if;
-
+ --
-- case Variant_1 is
-- when Value_1 =>
-- case State_Counter_N => -- If Is_Local is enabled
-- when others => .
-- goto L0; .
-- end case; .
-
+ --
-- <<LN>> -- If Is_Local is enabled
-- begin
-- [Deep_]Finalize (V.Comp_N);
-- end;
-- <<L0>>
-- end case;
-
+ --
-- case State_Counter_1 => -- If Is_Local is enabled
-- when M => .
-- goto LM; .
-- ...
-
+ --
-- begin
-- Deep_Finalize (V._parent, False); -- If applicable
-- exception
-- Save_Occurrence (E, Get_Current_Excep.all.all);
-- end if;
-- end;
-
+ --
-- Root_Controlled (V).Finalized := True;
-
+ --
-- if Raised then
-- Raise_From_Controlled_Object (E, Abort);
-- end if;
Make_Adjust_Call (
Obj_Ref =>
Make_Selected_Component (Loc,
- Prefix =>
- Make_Identifier (Loc, Name_V),
- Selector_Name =>
- Make_Identifier (Loc, Chars (Id))),
- Typ => Typ);
+ Prefix => Make_Identifier (Loc, Name_V),
+ Selector_Name => Make_Identifier (Loc, Chars (Id))),
+ Typ => Typ);
if Exceptions_OK then
Adj_Stmt :=
Make_Block_Statement (Loc,
Handled_Statement_Sequence =>
Make_Handled_Sequence_Of_Statements (Loc,
- Statements => New_List (Adj_Stmt),
-
- Exception_Handlers => New_List (
- Build_Exception_Handler (Loc, E_Id, Raised_Id))));
+ Statements => New_List (Adj_Stmt),
+ Exception_Handlers => New_List (
+ Build_Exception_Handler (Loc, E_Id, Raised_Id))));
end if;
Append_To (Stmts, Adj_Stmt);
--
-- Deep_Adjust (Obj._parent, False);
- if Is_Tagged_Type (Typ)
- and then Is_Derived_Type (Typ)
- then
+ if Is_Tagged_Type (Typ) and then Is_Derived_Type (Typ) then
declare
Par_Typ : constant Entity_Id := Parent_Field_Type (Typ);
Adj_Stmt : Node_Id;
Make_Case_Statement (Loc,
Expression =>
Make_Selected_Component (Loc,
- Prefix =>
- Make_Identifier (Loc, Name_V),
+ Prefix => Make_Identifier (Loc, Name_V),
Selector_Name =>
Make_Identifier (Loc,
- Chars (Name (Variant_Part (Comps))))),
+ Chars => Chars (Name (Variant_Part (Comps))))),
Alternatives => Var_Alts);
end;
end if;
-- Add the declaration of default jump location L0, its
-- corresponding alternative and its place in the statements.
- Label_Id :=
- Make_Identifier (Loc, New_External_Name ('L', 0));
+ Label_Id := Make_Identifier (Loc, New_External_Name ('L', 0));
Set_Entity (Label_Id,
Make_Defining_Identifier (Loc, Chars (Label_Id)));
Label := Make_Label (Loc, Label_Id);
Append_To (Decls, -- declaration
Make_Implicit_Label_Declaration (Loc,
Defining_Identifier => Entity (Label_Id),
- Label_Construct => Label));
+ Label_Construct => Label));
Append_To (Alts, -- alternative
Make_Case_Statement_Alternative (Loc,
Statements => New_List (
Make_Goto_Statement (Loc,
- Name =>
- New_Reference_To (Entity (Label_Id), Loc)))));
+ Name => New_Reference_To (Entity (Label_Id), Loc)))));
Append_To (Stmts, Label); -- statement
Prepend_To (Stmts,
Make_Case_Statement (Loc,
- Expression =>
- Make_Identifier (Loc, Chars (Counter_Id)),
+ Expression => Make_Identifier (Loc, Chars (Counter_Id)),
Alternatives => Alts));
end if;
Decls := New_List (
Make_Full_Type_Declaration (Loc,
Defining_Identifier => Ptr_Typ,
- Type_Definition =>
+ Type_Definition =>
Make_Access_To_Object_Definition (Loc,
- All_Present => True,
- Subtype_Indication =>
- New_Reference_To (Desg_Typ, Loc))),
+ All_Present => True,
+ Subtype_Indication => New_Reference_To (Desg_Typ, Loc))),
Make_Attribute_Definition_Clause (Loc,
Name => New_Reference_To (Ptr_Typ, Loc),
Left_Opnd => Make_Integer_Literal (Loc, 2),
Right_Opnd =>
Make_Op_Divide (Loc,
- Left_Opnd =>
- Make_Integer_Literal (Loc, Esize (Typ)),
+ Left_Opnd => Make_Integer_Literal (Loc, Esize (Typ)),
Right_Opnd =>
Make_Integer_Literal (Loc, System_Storage_Unit)));
end Bounds_Size_Expression;
then
Utyp := Underlying_Type (Root_Type (Base_Type (Typ)));
Ref := Unchecked_Convert_To (Utyp, Ref);
+
Set_Assignment_OK (Ref);
-- To prevent problems with UC see 1.156 RH ???
end if;
else
Utyp := Typ;
- if Is_Private_Type (Utyp)
- and then Present (Full_View (Utyp))
- then
+ if Is_Private_Type (Utyp) and then Present (Full_View (Utyp)) then
Utyp := Full_View (Utyp);
end if;
-- scope, furthermore, if they are controlled variables they are finalized
-- right after the declaration. The finalization list of the transient
-- scope is defined as a renaming of the enclosing one so during their
- -- initialization they will be attached to the proper finalization
- -- list. For instance, the following declaration :
+ -- initialization they will be attached to the proper finalization list.
+ -- For instance, the following declaration :
-- X : Typ := F (G (A), G (B));
begin
-- Generate:
+
-- Temp : Typ;
-- declare
-- M : constant Mark_Id := SS_Mark;
-- procedure Finalizer is ... (See Build_Finalizer)
- --
+
-- begin
-- Temp := <Expr>;
--
projects / platform / upstream / linaro-gcc.git / commitdiff