with Aspects; use Aspects;
with Atree; use Atree;
-with Debug; use Debug;
with Einfo; use Einfo;
with Elists; use Elists;
with Errout; use Errout;
if No (Found_Assoc) then
Default :=
Make_Generic_Association (Loc,
- Selector_Name => New_Occurrence_Of (Id, Loc),
+ Selector_Name =>
+ New_Occurrence_Of (Id, Loc),
Explicit_Generic_Actual_Parameter => Empty);
Set_Box_Present (Default);
Append (Default, Default_Formals);
Assoc);
end if;
+ -- If the object is a call to an expression function, this
+ -- is a freezing point for it.
+
+ if Is_Entity_Name (Match)
+ and then Present (Entity (Match))
+ and then Nkind
+ (Original_Node (Unit_Declaration_Node (Entity (Match))))
+ = N_Expression_Function
+ then
+ Append_Elmt (Entity (Match), Actuals_To_Freeze);
+ end if;
+
when N_Formal_Type_Declaration =>
Match :=
Matching_Actual (
Error_Msg_Sloc := Sloc (Gen_Unit);
Error_Msg_NE
("missing actual&",
- Instantiation_Node,
- Defining_Identifier (Formal));
- Error_Msg_NE ("\in instantiation of & declared#",
- Instantiation_Node, Gen_Unit);
+ Instantiation_Node, Defining_Identifier (Formal));
+ Error_Msg_NE
+ ("\in instantiation of & declared#",
+ Instantiation_Node, Gen_Unit);
Abandon_Instantiation (Instantiation_Node);
end if;
-- If this is a nested generic, preserve default for later
-- instantiations.
- if No (Match)
- and then Box_Present (Formal)
- then
+ if No (Match) and then Box_Present (Formal) then
Append_Elmt
(Defining_Unit_Name (Specification (Last (Assoc))),
Default_Actuals);
when N_Formal_Package_Declaration =>
Match :=
- Matching_Actual (
- Defining_Identifier (Formal),
- Defining_Identifier (Original_Node (Analyzed_Formal)));
+ Matching_Actual
+ (Defining_Identifier (Formal),
+ Defining_Identifier (Original_Node (Analyzed_Formal)));
if No (Match) then
if Partial_Parameterization then
Error_Msg_Sloc := Sloc (Gen_Unit);
Error_Msg_NE
("missing actual&",
- Instantiation_Node, Defining_Identifier (Formal));
- Error_Msg_NE ("\in instantiation of & declared#",
- Instantiation_Node, Gen_Unit);
+ Instantiation_Node, Defining_Identifier (Formal));
+ Error_Msg_NE
+ ("\in instantiation of & declared#",
+ Instantiation_Node, Gen_Unit);
Abandon_Instantiation (Instantiation_Node);
end if;
if Present (Selector_Name (Actual)) then
Error_Msg_NE
- ("unmatched actual&",
- Actual, Selector_Name (Actual));
- Error_Msg_NE ("\in instantiation of& declared#",
- Actual, Gen_Unit);
+ ("unmatched actual &", Actual, Selector_Name (Actual));
+ Error_Msg_NE
+ ("\in instantiation of & declared#", Actual, Gen_Unit);
else
Error_Msg_NE
- ("unmatched actual in instantiation of& declared#",
- Actual, Gen_Unit);
+ ("unmatched actual in instantiation of & declared#",
+ Actual, Gen_Unit);
end if;
end if;
Subp := Node (Elmt);
New_D :=
Make_Generic_Association (Sloc (Subp),
- Selector_Name => New_Occurrence_Of (Subp, Sloc (Subp)),
- Explicit_Generic_Actual_Parameter =>
- New_Occurrence_Of (Subp, Sloc (Subp)));
+ Selector_Name =>
+ New_Occurrence_Of (Subp, Sloc (Subp)),
+ Explicit_Generic_Actual_Parameter =>
+ New_Occurrence_Of (Subp, Sloc (Subp)));
Mark_Rewrite_Insertion (New_D);
Append_To (Actuals, New_D);
Next_Elmt (Elmt);
then
Error_Msg_N
("in a formal, a subtype indication can only be "
- & "a subtype mark (RM 12.5.3(3))",
- Subtype_Indication (Component_Definition (Def)));
+ & "a subtype mark (RM 12.5.3(3))",
+ Subtype_Indication (Component_Definition (Def)));
end if;
end Analyze_Formal_Array_Type;
Delta_Val : constant Ureal := Ureal_1;
Digs_Val : constant Uint := Uint_6;
+ function Make_Dummy_Bound return Node_Id;
+ -- Return a properly typed universal real literal to use as a bound
+
+ ----------------------
+ -- Make_Dummy_Bound --
+ ----------------------
+
+ function Make_Dummy_Bound return Node_Id is
+ Bound : constant Node_Id := Make_Real_Literal (Loc, Ureal_1);
+ begin
+ Set_Etype (Bound, Universal_Real);
+ return Bound;
+ end Make_Dummy_Bound;
+
+ -- Start of processing for Analyze_Formal_Decimal_Fixed_Point_Type
+
begin
Enter_Name (T);
Set_Small_Value (Base, Delta_Val);
Set_Scalar_Range (Base,
Make_Range (Loc,
- Low_Bound => Make_Real_Literal (Loc, Ureal_1),
- High_Bound => Make_Real_Literal (Loc, Ureal_1)));
+ Low_Bound => Make_Dummy_Bound,
+ High_Bound => Make_Dummy_Bound));
Set_Is_Generic_Type (Base);
Set_Parent (Base, Parent (Def));
else
New_N :=
Make_Full_Type_Declaration (Loc,
- Defining_Identifier => T,
+ Defining_Identifier => T,
Discriminant_Specifications =>
Discriminant_Specifications (Parent (T)),
- Type_Definition =>
+ Type_Definition =>
Make_Derived_Type_Definition (Loc,
Subtype_Indication => Subtype_Mark (Def)));
New_N :=
Make_Full_Type_Declaration (Loc,
Defining_Identifier => T,
- Type_Definition => Def);
+ Type_Definition => Def);
Rewrite (N, New_N);
Analyze (N);
elsif Can_Never_Be_Null (T) then
Error_Msg_NE
- ("`NOT NULL` not allowed (& already excludes null)",
- N, T);
+ ("`NOT NULL` not allowed (& already excludes null)", N, T);
end if;
end if;
Set_Ekind (Id, K);
Set_Etype (Id, T);
- if (Is_Array_Type (T)
- and then not Is_Constrained (T))
- or else
- (Ekind (T) = E_Record_Type
- and then Has_Discriminants (T))
+ if (Is_Array_Type (T) and then not Is_Constrained (T))
+ or else (Ekind (T) = E_Record_Type and then Has_Discriminants (T))
then
declare
Non_Freezing_Ref : constant Node_Id :=
-- Start of processing for Analyze_Formal_Package_Declaration
begin
- Text_IO_Kludge (Gen_Id);
+ Check_Text_IO_Special_Unit (Gen_Id);
Init_Env;
Check_Generic_Child_Unit (Gen_Id, Parent_Installed);
Restore_Env;
goto Leave;
- elsif Gen_Unit = Current_Scope then
+ elsif Gen_Unit = Current_Scope then
Error_Msg_N
("generic package cannot be used as a formal package of itself",
- Gen_Id);
+ Gen_Id);
Restore_Env;
goto Leave;
Error_Msg_N
("generic parent cannot be used as formal package "
- & "of a child unit",
- Gen_Id);
+ & "of a child unit", Gen_Id);
else
Error_Msg_N
("generic package cannot be used as a formal package "
- & "within itself",
- Gen_Id);
+ & "within itself", Gen_Id);
Restore_Env;
goto Leave;
end if;
if Chars (Gen_Name) = Chars (Pack_Id) then
Error_Msg_NE
("& is hidden within declaration of formal package",
- Gen_Id, Gen_Name);
+ Gen_Id, Gen_Name);
end if;
end;
Set_Inner_Instances (Formal, New_Elmt_List);
Push_Scope (Formal);
- if Is_Child_Unit (Gen_Unit)
- and then Parent_Installed
- then
+ if Is_Child_Unit (Gen_Unit) and then Parent_Installed then
+
-- Similarly, we have to make the name of the formal visible in the
-- parent instance, to resolve properly fully qualified names that
-- may appear in the generic unit. The parent instance has been
begin
E := First_Entity (Formal);
while Present (E) loop
- if Associations
- and then not Is_Generic_Formal (E)
- then
+ if Associations and then not Is_Generic_Formal (E) then
Set_Is_Hidden (E);
end if;
- if Ekind (E) = E_Package
- and then Renamed_Entity (E) = Formal
- then
+ if Ekind (E) = E_Package and then Renamed_Entity (E) = Formal then
Set_Is_Hidden (E);
exit;
end if;
and then Is_Incomplete_Type (Ctrl_Type)
then
Error_Msg_NE
- ("controlling type of abstract formal subprogram cannot " &
- "be incomplete type", N, Ctrl_Type);
+ ("controlling type of abstract formal subprogram cannot "
+ & "be incomplete type", N, Ctrl_Type);
else
Check_Controlling_Formals (Ctrl_Type, Nam);
-- caller.
Gen_Parm_Decl := First (Generic_Formal_Declarations (N));
-
while Present (Gen_Parm_Decl) loop
Analyze (Gen_Parm_Decl);
Next (Gen_Parm_Decl);
Decl : Node_Id;
begin
- Check_SPARK_Restriction ("generic is not allowed", N);
+ Check_SPARK_05_Restriction ("generic is not allowed", N);
-- We introduce a renaming of the enclosing package, to have a usable
-- entity as the prefix of an expanded name for a local entity of the
Defining_Unit_Name =>
Make_Defining_Identifier (Loc,
Chars => New_External_Name (Chars (Defining_Entity (N)), "GH")),
- Name => Make_Identifier (Loc, Chars (Defining_Entity (N))));
+ Name =>
+ Make_Identifier (Loc, Chars (Defining_Entity (N))));
if Present (Decls) then
Decl := First (Decls);
- while Present (Decl)
- and then Nkind (Decl) = N_Pragma
- loop
+ while Present (Decl) and then Nkind (Decl) = N_Pragma loop
Next (Decl);
end loop;
Set_Etype (Id, Standard_Void_Type);
Set_Contract (Id, Make_Contract (Sloc (Id)));
+ -- A generic package declared within a Ghost scope is rendered Ghost
+ -- (SPARK RM 6.9(2)).
+
+ if Within_Ghost_Scope then
+ Set_Is_Ghost_Entity (Id);
+ end if;
+
-- Analyze aspects now, so that generated pragmas appear in the
-- declarations before building and analyzing the generic copy.
Check_References (Id);
end if;
end if;
+
+ -- If there is a specified storage pool in the context, create an
+ -- aspect on the package declaration, so that it is used in any
+ -- instance that does not override it.
+
+ if Present (Default_Pool) then
+ declare
+ ASN : Node_Id;
+
+ begin
+ ASN :=
+ Make_Aspect_Specification (Loc,
+ Identifier => Make_Identifier (Loc, Name_Default_Storage_Pool),
+ Expression => New_Copy (Default_Pool));
+
+ if No (Aspect_Specifications (Specification (N))) then
+ Set_Aspect_Specifications (Specification (N), New_List (ASN));
+ else
+ Append (ASN, Aspect_Specifications (Specification (N)));
+ end if;
+ end;
+ end if;
end Analyze_Generic_Package_Declaration;
--------------------------------------------
Typ : Entity_Id;
begin
- Check_SPARK_Restriction ("generic is not allowed", N);
+ Check_SPARK_05_Restriction ("generic is not allowed", N);
-- Create copy of generic unit, and save for instantiation. If the unit
-- is a child unit, do not copy the specifications for the parent, which
Set_Parent_Spec (New_N, Save_Parent);
Rewrite (N, New_N);
- Check_SPARK_Mode_In_Generic (N);
-
- -- The aspect specifications are not attached to the tree, and must
- -- be copied and attached to the generic copy explicitly.
+ -- Once the contents of the generic copy and the template are swapped,
+ -- do the same for their respective aspect specifications.
- if Present (Aspect_Specifications (New_N)) then
- declare
- Aspects : constant List_Id := Aspect_Specifications (N);
- begin
- Set_Has_Aspects (N, False);
- Move_Aspects (New_N, To => N);
- Set_Has_Aspects (Original_Node (N), False);
- Set_Aspect_Specifications (Original_Node (N), Aspects);
- end;
- end if;
+ Exchange_Aspects (N, New_N);
Spec := Specification (N);
Id := Defining_Entity (Spec);
Start_Generic;
Enter_Name (Id);
-
Set_Scope_Depth_Value (Id, Scope_Depth (Current_Scope) + 1);
+
+ -- Analyze the aspects of the generic copy to ensure that all generated
+ -- pragmas (if any) perform their semantic effects.
+
+ if Has_Aspects (N) then
+ Analyze_Aspect_Specifications (N, Id);
+ end if;
+
Push_Scope (Id);
Enter_Generic_Scope (Id);
Set_Inner_Instances (Id, New_Elmt_List);
if Is_Abstract_Type (Designated_Type (Result_Type))
and then Ada_Version >= Ada_2012
then
- Error_Msg_N ("generic function cannot have an access result"
- & " that designates an abstract type", Spec);
+ Error_Msg_N
+ ("generic function cannot have an access result "
+ & "that designates an abstract type", Spec);
end if;
else
Set_Etype (Id, Standard_Void_Type);
end if;
+ -- A generic subprogram declared within a Ghost scope is rendered Ghost
+ -- (SPARK RM 6.9(2)).
+
+ if Within_Ghost_Scope then
+ Set_Is_Ghost_Entity (Id);
+ end if;
+
-- For a library unit, we have reconstructed the entity for the unit,
-- and must reset it in the library tables. We also make sure that
-- Body_Required is set properly in the original compilation unit node.
Make_Aspect_For_PPC_In_Gen_Sub_Decl (N);
end if;
- -- To capture global references, analyze the expressions of aspects,
- -- and propagate information to original tree. Note that in this case
- -- analysis of attributes is not delayed until the freeze point.
-
- -- It seems very hard to recreate the proper visibility of the generic
- -- subprogram at a later point because the analysis of an aspect may
- -- create pragmas after the generic copies have been made ???
-
- if Has_Aspects (N) then
- declare
- Aspect : Node_Id;
-
- begin
- Aspect := First (Aspect_Specifications (N));
- while Present (Aspect) loop
- if Get_Aspect_Id (Aspect) /= Aspect_Warnings
- and then Present (Expression (Aspect))
- then
- Analyze (Expression (Aspect));
- end if;
-
- Next (Aspect);
- end loop;
-
- Aspect := First (Aspect_Specifications (Original_Node (N)));
- while Present (Aspect) loop
- if Present (Expression (Aspect)) then
- Save_Global_References (Expression (Aspect));
- end if;
-
- Next (Aspect);
- end loop;
- end;
- end if;
-
End_Generic;
End_Scope;
Exit_Generic_Scope (Id);
Act_Tree : Node_Id;
Gen_Decl : Node_Id;
+ Gen_Spec : Node_Id;
Gen_Unit : Entity_Id;
Is_Actual_Pack : constant Boolean :=
Needs_Body : Boolean;
Inline_Now : Boolean := False;
+ Save_IPSM : constant Boolean := Ignore_Pragma_SPARK_Mode;
+ -- Save flag Ignore_Pragma_SPARK_Mode for restore on exit
+
+ Save_SM : constant SPARK_Mode_Type := SPARK_Mode;
+ Save_SMP : constant Node_Id := SPARK_Mode_Pragma;
+ -- Save the SPARK_Mode-related data for restore on exit
+
Save_Style_Check : constant Boolean := Style_Check;
-- Save style check mode for restore on exit
-- but it is simpler than detecting the need for the body at the point
-- of inlining, when the context of the instance is not available.
- function Must_Inline_Subp return Boolean;
- -- If inlining is active and the generic contains inlined subprograms,
- -- return True if some of the inlined subprograms must be inlined by
- -- the frontend.
-
-----------------------
-- Delay_Descriptors --
-----------------------
else
E := First_Entity (Gen_Unit);
while Present (E) loop
- if Is_Subprogram (E)
- and then Is_Inlined (E)
- then
+ if Is_Subprogram (E) and then Is_Inlined (E) then
return True;
end if;
return False;
end Might_Inline_Subp;
- ----------------------
- -- Must_Inline_Subp --
- ----------------------
-
- function Must_Inline_Subp return Boolean is
- E : Entity_Id;
-
- begin
- if not Inline_Processing_Required then
- return False;
-
- else
- E := First_Entity (Gen_Unit);
- while Present (E) loop
- if Is_Subprogram (E)
- and then Is_Inlined (E)
- and then Must_Inline (E)
- then
- return True;
- end if;
-
- Next_Entity (E);
- end loop;
- end if;
-
- return False;
- end Must_Inline_Subp;
-
-- Local declarations
Vis_Prims_List : Elist_Id := No_Elist;
-- Start of processing for Analyze_Package_Instantiation
begin
- Check_SPARK_Restriction ("generic is not allowed", N);
+ Check_SPARK_05_Restriction ("generic is not allowed", N);
- -- Very first thing: apply the special kludge for Text_IO processing
- -- in case we are instantiating one of the children of [Wide_]Text_IO.
+ -- Very first thing: check for Text_IO sp[ecial unit in case we are
+ -- instantiating one of the children of [[Wide_]Wide_]Text_IO.
- Text_IO_Kludge (Name (N));
+ Check_Text_IO_Special_Unit (Name (N));
-- Make node global for error reporting
if Nkind (Defining_Unit_Name (N)) = N_Defining_Program_Unit_Name then
Act_Decl_Name :=
Make_Defining_Program_Unit_Name (Loc,
- Name => New_Copy_Tree (Name (Defining_Unit_Name (N))),
+ Name =>
+ New_Copy_Tree (Name (Defining_Unit_Name (N))),
Defining_Identifier => Act_Decl_Id);
else
Act_Decl_Name := Act_Decl_Id;
goto Leave;
else
+ -- If the context of the instance is subject to SPARK_Mode "off",
+ -- set the global flag which signals Analyze_Pragma to ignore all
+ -- SPARK_Mode pragmas within the instance.
+
+ if SPARK_Mode = Off then
+ Ignore_Pragma_SPARK_Mode := True;
+ end if;
+
Gen_Decl := Unit_Declaration_Node (Gen_Unit);
+ Gen_Spec := Specification (Gen_Decl);
-- Initialize renamings map, for error checking, and the list that
-- holds private entities whose views have changed between generic
Set_Visible_Declarations (Act_Spec, Renaming_List);
end if;
- Act_Decl :=
- Make_Package_Declaration (Loc,
- Specification => Act_Spec);
+ Act_Decl := Make_Package_Declaration (Loc, Specification => Act_Spec);
-- Propagate the aspect specifications from the package declaration
-- template to the instantiated version of the package declaration.
New_Copy_List_Tree (Aspect_Specifications (Act_Tree)));
end if;
+ -- The generic may have a generated Default_Storage_Pool aspect,
+ -- set at the point of generic declaration. If the instance has
+ -- that aspect, it overrides the one inherited from the generic.
+
+ if Has_Aspects (Gen_Spec) then
+ if No (Aspect_Specifications (N)) then
+ Set_Aspect_Specifications (N,
+ (New_Copy_List_Tree
+ (Aspect_Specifications (Gen_Spec))));
+
+ else
+ declare
+ ASN1, ASN2 : Node_Id;
+
+ begin
+ ASN1 := First (Aspect_Specifications (N));
+ while Present (ASN1) loop
+ if Chars (Identifier (ASN1)) = Name_Default_Storage_Pool
+ then
+ -- If generic carries a default storage pool, remove
+ -- it in favor of the instance one.
+
+ ASN2 := First (Aspect_Specifications (Gen_Spec));
+ while Present (ASN2) loop
+ if Chars (Identifier (ASN2)) =
+ Name_Default_Storage_Pool
+ then
+ Remove (ASN2);
+ exit;
+ end if;
+
+ Next (ASN2);
+ end loop;
+ end if;
+
+ Next (ASN1);
+ end loop;
+
+ Prepend_List_To (Aspect_Specifications (N),
+ (New_Copy_List_Tree
+ (Aspect_Specifications (Gen_Spec))));
+ end;
+ end if;
+ end if;
+
-- Save the instantiation node, for subsequent instantiation of the
-- body, if there is one and we are generating code for the current
-- unit. Mark unit as having a body (avoids premature error message).
and then not Is_Child_Unit (Gen_Unit)
then
Scop := Scope (Gen_Unit);
-
while Present (Scop)
and then Scop /= Standard_Standard
loop
and then Might_Inline_Subp
and then not Is_Actual_Pack
then
- if not Debug_Flag_Dot_K
+ if not Back_End_Inlining
and then Front_End_Inlining
and then (Is_In_Main_Unit (N)
or else In_Main_Context (Current_Scope))
then
Inline_Now := True;
- elsif Debug_Flag_Dot_K
- and then Must_Inline_Subp
- and then (Is_In_Main_Unit (N)
- or else In_Main_Context (Current_Scope))
- and then Nkind (Parent (N)) /= N_Compilation_Unit
- then
- Inline_Now := True;
-
-- In configurable_run_time mode we force the inlining of
-- predefined subprograms marked Inline_Always, to minimize
-- the use of the run-time library.
Needs_Body :=
(Unit_Requires_Body (Gen_Unit)
- or else Enclosing_Body_Present
- or else Present (Corresponding_Body (Gen_Decl)))
- and then (Is_In_Main_Unit (N) or else Might_Inline_Subp)
- and then not Is_Actual_Pack
- and then not Inline_Now
- and then (Operating_Mode = Generate_Code
+ or else Enclosing_Body_Present
+ or else Present (Corresponding_Body (Gen_Decl)))
+ and then (Is_In_Main_Unit (N) or else Might_Inline_Subp)
+ and then not Is_Actual_Pack
+ and then not Inline_Now
+ and then (Operating_Mode = Generate_Code
- -- Need comment for this check ???
+ -- Need comment for this check ???
- or else (Operating_Mode = Check_Semantics
- and then (ASIS_Mode or GNATprove_Mode)));
+ or else (Operating_Mode = Check_Semantics
+ and then (ASIS_Mode or GNATprove_Mode)));
-- If front_end_inlining is enabled, do not instantiate body if
-- within a generic context.
if Nkind (Parent (N)) /= N_Compilation_Unit then
Mark_Rewrite_Insertion (Act_Decl);
Insert_Before (N, Act_Decl);
+
+ if Has_Aspects (N) then
+ Analyze_Aspect_Specifications (N, Act_Decl_Id);
+
+ -- The pragma created for a Default_Storage_Pool aspect must
+ -- appear ahead of the declarations in the instance spec.
+ -- Analysis has placed it after the instance node, so remove
+ -- it and reinsert it properly now.
+
+ declare
+ ASN : constant Node_Id := First (Aspect_Specifications (N));
+ A_Name : constant Name_Id := Chars (Identifier (ASN));
+ Decl : Node_Id;
+
+ begin
+ if A_Name = Name_Default_Storage_Pool then
+ if No (Visible_Declarations (Act_Spec)) then
+ Set_Visible_Declarations (Act_Spec, New_List);
+ end if;
+
+ Decl := Next (N);
+ while Present (Decl) loop
+ if Nkind (Decl) = N_Pragma then
+ Remove (Decl);
+ Prepend (Decl, Visible_Declarations (Act_Spec));
+ exit;
+ end if;
+
+ Next (Decl);
+ end loop;
+ end if;
+ end;
+ end if;
+
Analyze (Act_Decl);
-- For an instantiation that is a compilation unit, place
Set_Defining_Identifier (N, Act_Decl_Id);
end if;
- Style_Check := Save_Style_Check;
+ Ignore_Pragma_SPARK_Mode := Save_IPSM;
+ SPARK_Mode := Save_SM;
+ SPARK_Mode_Pragma := Save_SMP;
+ Style_Check := Save_Style_Check;
+
+ if SPARK_Mode = On then
+ Dynamic_Elaboration_Checks := False;
+ end if;
-- Check that if N is an instantiation of System.Dim_Float_IO or
-- System.Dim_Integer_IO, the formal type has a dimension system.
Restore_Env;
end if;
- Style_Check := Save_Style_Check;
+ Ignore_Pragma_SPARK_Mode := Save_IPSM;
+ SPARK_Mode := Save_SM;
+ SPARK_Mode_Pragma := Save_SMP;
+ Style_Check := Save_Style_Check;
+
+ if SPARK_Mode = On then
+ Dynamic_Elaboration_Checks := False;
+ end if;
end Analyze_Package_Instantiation;
--------------------------
Gen_Unit : Entity_Id;
Act_Decl : Node_Id)
is
- Vis : Boolean;
- Gen_Comp : constant Entity_Id :=
- Cunit_Entity (Get_Source_Unit (Gen_Unit));
- Curr_Comp : constant Node_Id := Cunit (Current_Sem_Unit);
- Curr_Scope : Entity_Id := Empty;
- Curr_Unit : constant Entity_Id := Cunit_Entity (Current_Sem_Unit);
- Removed : Boolean := False;
- Num_Scopes : Int := 0;
+ Curr_Comp : constant Node_Id := Cunit (Current_Sem_Unit);
+ Curr_Unit : constant Entity_Id := Cunit_Entity (Current_Sem_Unit);
+ Gen_Comp : constant Entity_Id :=
+ Cunit_Entity (Get_Source_Unit (Gen_Unit));
+
+ Save_SM : constant SPARK_Mode_Type := SPARK_Mode;
+ Save_SMP : constant Node_Id := SPARK_Mode_Pragma;
+ -- Save all SPARK_Mode-related attributes as removing enclosing scopes
+ -- to provide a clean environment for analysis of the inlined body will
+ -- eliminate any previously set SPARK_Mode.
Scope_Stack_Depth : constant Int :=
Scope_Stack.Last - Scope_Stack.First + 1;
Use_Clauses : array (1 .. Scope_Stack_Depth) of Node_Id;
Instances : array (1 .. Scope_Stack_Depth) of Entity_Id;
Inner_Scopes : array (1 .. Scope_Stack_Depth) of Entity_Id;
+ Curr_Scope : Entity_Id := Empty;
List : Elist_Id;
Num_Inner : Int := 0;
+ Num_Scopes : Int := 0;
N_Instances : Int := 0;
+ Removed : Boolean := False;
S : Entity_Id;
+ Vis : Boolean;
begin
-- Case of generic unit defined in another unit. We must remove the
exit when Scope_Stack.Last - Num_Scopes + 1 = Scope_Stack.First
or else Scope_Stack.Table
- (Scope_Stack.Last - Num_Scopes).Entity
- = Scope (S);
+ (Scope_Stack.Last - Num_Scopes).Entity = Scope (S);
end loop;
exit when Is_Generic_Instance (S)
and then (In_Package_Body (S)
- or else Ekind (S) = E_Procedure
- or else Ekind (S) = E_Function);
+ or else Ekind (S) = E_Procedure
+ or else Ekind (S) = E_Function);
S := Scope (S);
end loop;
-- must be made invisible as well.
S := Current_Scope;
-
- while Present (S)
- and then S /= Standard_Standard
- loop
+ while Present (S) and then S /= Standard_Standard loop
if Is_Generic_Instance (S)
and then (In_Package_Body (S)
- or else Ekind (S) = E_Procedure
- or else Ekind (S) = E_Function)
+ or else Ekind_In (S, E_Procedure, E_Function))
then
-- We still have to remove the entities of the enclosing
-- instance from direct visibility.
or else (Ekind (Curr_Unit) = E_Package_Body
and then S = Spec_Entity (Curr_Unit))
or else (Ekind (Curr_Unit) = E_Subprogram_Body
- and then S =
- Corresponding_Spec
- (Unit_Declaration_Node (Curr_Unit)))
+ and then S = Corresponding_Spec
+ (Unit_Declaration_Node (Curr_Unit)))
then
Removed := True;
S := Scope (S);
end loop;
+
pragma Assert (Num_Inner < Num_Scopes);
+ -- The inlined package body must be analyzed with the SPARK_Mode of
+ -- the enclosing context, otherwise the body may cause bogus errors
+ -- if a configuration SPARK_Mode pragma in in effect.
+
Push_Scope (Standard_Standard);
Scope_Stack.Table (Scope_Stack.Last).Is_Active_Stack_Base := True;
Instantiate_Package_Body
Version => Ada_Version,
Version_Pragma => Ada_Version_Pragma,
Warnings => Save_Warnings,
- SPARK_Mode => SPARK_Mode,
- SPARK_Mode_Pragma => SPARK_Mode_Pragma)),
+ SPARK_Mode => Save_SM,
+ SPARK_Mode_Pragma => Save_SMP)),
Inlined_Body => True);
Pop_Scope;
Par : Entity_Id;
begin
Par := Scope (Curr_Scope);
- while (Present (Par))
- and then Par /= Standard_Standard
- loop
+ while (Present (Par)) and then Par /= Standard_Standard loop
Install_Private_Declarations (Par);
Par := Scope (Par);
end loop;
-- scopes (and those local to the child unit itself) need to be
-- installed explicitly.
- if Is_Child_Unit (Curr_Unit)
- and then Removed
- then
+ if Is_Child_Unit (Curr_Unit) and then Removed then
for J in reverse 1 .. Num_Inner + 1 loop
Scope_Stack.Table (Scope_Stack.Last - J + 1).First_Use_Clause :=
Use_Clauses (J);
Set_Is_Generic_Instance (Inst, True);
if In_Package_Body (Inst)
- or else Ekind (S) = E_Procedure
- or else Ekind (S) = E_Function
+ or else Ekind_In (S, E_Procedure, E_Function)
then
E := First_Entity (Instances (J));
while Present (E) loop
end loop;
end;
- -- If generic unit is in current unit, current context is correct
+ -- If generic unit is in current unit, current context is correct. Note
+ -- that the context is guaranteed to carry the correct SPARK_Mode as no
+ -- enclosing scopes were removed.
else
Instantiate_Package_Body
-- Local variables
+ Save_IPSM : constant Boolean := Ignore_Pragma_SPARK_Mode;
+ -- Save flag Ignore_Pragma_SPARK_Mode for restore on exit
+
+ Save_SM : constant SPARK_Mode_Type := SPARK_Mode;
+ Save_SMP : constant Node_Id := SPARK_Mode_Pragma;
+ -- Save the SPARK_Mode-related data for restore on exit
+
Vis_Prims_List : Elist_Id := No_Elist;
-- List of primitives made temporarily visible in the instantiation
-- to match the visibility of the formal type
-- Start of processing for Analyze_Subprogram_Instantiation
begin
- Check_SPARK_Restriction ("generic is not allowed", N);
+ Check_SPARK_05_Restriction ("generic is not allowed", N);
- -- Very first thing: apply the special kludge for Text_IO processing
- -- in case we are instantiating one of the children of [Wide_]Text_IO.
- -- Of course such an instantiation is bogus (these are packages, not
- -- subprograms), but we get a better error message if we do this.
+ -- Very first thing: check for special Text_IO unit in case we are
+ -- instantiating one of the children of [[Wide_]Wide_]Text_IO. Of course
+ -- such an instantiation is bogus (these are packages, not subprograms),
+ -- but we get a better error message if we do this.
- Text_IO_Kludge (Gen_Id);
+ Check_Text_IO_Special_Unit (Gen_Id);
-- Make node global for error reporting
Error_Msg_NE ("instantiation of & within itself", N, Gen_Unit);
else
+ -- If the context of the instance is subject to SPARK_Mode "off",
+ -- set the global flag which signals Analyze_Pragma to ignore all
+ -- SPARK_Mode pragmas within the instance.
+
+ if SPARK_Mode = Off then
+ Ignore_Pragma_SPARK_Mode := True;
+ end if;
+
Set_Entity (Gen_Id, Gen_Unit);
Set_Is_Instantiated (Gen_Unit);
-- If renaming, get original unit
if Present (Renamed_Object (Gen_Unit))
- and then (Ekind (Renamed_Object (Gen_Unit)) = E_Generic_Procedure
- or else
- Ekind (Renamed_Object (Gen_Unit)) = E_Generic_Function)
+ and then Ekind_In (Renamed_Object (Gen_Unit), E_Generic_Procedure,
+ E_Generic_Function)
then
Gen_Unit := Renamed_Object (Gen_Unit);
Set_Is_Instantiated (Gen_Unit);
and then Is_Controlling_Formal (Formal)
and then not Can_Never_Be_Null (Formal)
then
- Error_Msg_NE ("access parameter& is controlling,",
- N, Formal);
Error_Msg_NE
- ("\corresponding parameter of & must be"
- & " explicitly null-excluding", N, Gen_Id);
+ ("access parameter& is controlling,", N, Formal);
+ Error_Msg_NE
+ ("\corresponding parameter of & must be "
+ & "explicitly null-excluding", N, Gen_Id);
end if;
Next_Formal (Formal);
Env_Installed := False;
Generic_Renamings.Set_Last (0);
Generic_Renamings_HTable.Reset;
+
+ Ignore_Pragma_SPARK_Mode := Save_IPSM;
+ SPARK_Mode := Save_SM;
+ SPARK_Mode_Pragma := Save_SMP;
+
+ if SPARK_Mode = On then
+ Dynamic_Elaboration_Checks := False;
+ end if;
+
end if;
<<Leave>>
if Env_Installed then
Restore_Env;
end if;
+
+ Ignore_Pragma_SPARK_Mode := Save_IPSM;
+ SPARK_Mode := Save_SM;
+ SPARK_Mode_Pragma := Save_SMP;
+
+ if SPARK_Mode = On then
+ Dynamic_Elaboration_Checks := False;
+ end if;
end Analyze_Subprogram_Instantiation;
-------------------------
end if;
end Get_Associated_Node;
+ ----------------------------
+ -- Build_Function_Wrapper --
+ ----------------------------
+
+ function Build_Function_Wrapper
+ (Formal_Subp : Entity_Id;
+ Actual_Subp : Entity_Id) return Node_Id
+ is
+ Loc : constant Source_Ptr := Sloc (Formal_Subp);
+ Ret_Type : constant Entity_Id := Get_Instance_Of (Etype (Formal_Subp));
+ Actuals : List_Id;
+ Decl : Node_Id;
+ Func_Name : Node_Id;
+ Func : Entity_Id;
+ Parm_Type : Node_Id;
+ Profile : List_Id := New_List;
+ Spec : Node_Id;
+ Act_F : Entity_Id;
+ Form_F : Entity_Id;
+ New_F : Entity_Id;
+
+ begin
+ Func_Name := New_Occurrence_Of (Actual_Subp, Loc);
+
+ Func := Make_Defining_Identifier (Loc, Chars (Formal_Subp));
+ Set_Ekind (Func, E_Function);
+ Set_Is_Generic_Actual_Subprogram (Func);
+
+ Actuals := New_List;
+ Profile := New_List;
+
+ Act_F := First_Formal (Actual_Subp);
+ Form_F := First_Formal (Formal_Subp);
+ while Present (Form_F) loop
+
+ -- Create new formal for profile of wrapper, and add a reference
+ -- to it in the list of actuals for the enclosing call. The name
+ -- must be that of the formal in the formal subprogram, because
+ -- calls to it in the generic body may use named associations.
+
+ New_F := Make_Defining_Identifier (Loc, Chars (Form_F));
+
+ Parm_Type :=
+ New_Occurrence_Of (Get_Instance_Of (Etype (Form_F)), Loc);
+
+ Append_To (Profile,
+ Make_Parameter_Specification (Loc,
+ Defining_Identifier => New_F,
+ Parameter_Type => Parm_Type));
+
+ Append_To (Actuals, New_Occurrence_Of (New_F, Loc));
+ Next_Formal (Form_F);
+
+ if Present (Act_F) then
+ Next_Formal (Act_F);
+ end if;
+ end loop;
+
+ Spec :=
+ Make_Function_Specification (Loc,
+ Defining_Unit_Name => Func,
+ Parameter_Specifications => Profile,
+ Result_Definition => New_Occurrence_Of (Ret_Type, Loc));
+
+ Decl :=
+ Make_Expression_Function (Loc,
+ Specification => Spec,
+ Expression =>
+ Make_Function_Call (Loc,
+ Name => Func_Name,
+ Parameter_Associations => Actuals));
+
+ return Decl;
+ end Build_Function_Wrapper;
+
+ ----------------------------
+ -- Build_Operator_Wrapper --
+ ----------------------------
+
+ function Build_Operator_Wrapper
+ (Formal_Subp : Entity_Id;
+ Actual_Subp : Entity_Id) return Node_Id
+ is
+ Loc : constant Source_Ptr := Sloc (Formal_Subp);
+ Ret_Type : constant Entity_Id := Get_Instance_Of (Etype (Formal_Subp));
+ Op_Type : constant Entity_Id := Get_Instance_Of
+ (Etype (First_Formal (Formal_Subp)));
+ Is_Binary : constant Boolean :=
+ Present (Next_Formal (First_Formal (Formal_Subp)));
+
+ Decl : Node_Id;
+ Expr : Node_Id;
+ F1, F2 : Entity_Id;
+ Func : Entity_Id;
+ Op_Name : Name_Id;
+ Spec : Node_Id;
+ L, R : Node_Id;
+
+ begin
+ Op_Name := Chars (Actual_Subp);
+
+ -- Create entities for wrapper function and its formals
+
+ F1 := Make_Temporary (Loc, 'A');
+ F2 := Make_Temporary (Loc, 'B');
+ L := New_Occurrence_Of (F1, Loc);
+ R := New_Occurrence_Of (F2, Loc);
+
+ Func := Make_Defining_Identifier (Loc, Chars (Formal_Subp));
+ Set_Ekind (Func, E_Function);
+ Set_Is_Generic_Actual_Subprogram (Func);
+
+ Spec :=
+ Make_Function_Specification (Loc,
+ Defining_Unit_Name => Func,
+ Parameter_Specifications => New_List (
+ Make_Parameter_Specification (Loc,
+ Defining_Identifier => F1,
+ Parameter_Type => New_Occurrence_Of (Op_Type, Loc))),
+ Result_Definition => New_Occurrence_Of (Ret_Type, Loc));
+
+ if Is_Binary then
+ Append_To (Parameter_Specifications (Spec),
+ Make_Parameter_Specification (Loc,
+ Defining_Identifier => F2,
+ Parameter_Type => New_Occurrence_Of (Op_Type, Loc)));
+ end if;
+
+ -- Build expression as a function call, or as an operator node
+ -- that corresponds to the name of the actual, starting with
+ -- binary operators.
+
+ if Op_Name not in Any_Operator_Name then
+ Expr :=
+ Make_Function_Call (Loc,
+ Name =>
+ New_Occurrence_Of (Actual_Subp, Loc),
+ Parameter_Associations => New_List (L));
+
+ if Is_Binary then
+ Append_To (Parameter_Associations (Expr), R);
+ end if;
+
+ -- Binary operators
+
+ elsif Is_Binary then
+ if Op_Name = Name_Op_And then
+ Expr := Make_Op_And (Loc, Left_Opnd => L, Right_Opnd => R);
+ elsif Op_Name = Name_Op_Or then
+ Expr := Make_Op_Or (Loc, Left_Opnd => L, Right_Opnd => R);
+ elsif Op_Name = Name_Op_Xor then
+ Expr := Make_Op_Xor (Loc, Left_Opnd => L, Right_Opnd => R);
+ elsif Op_Name = Name_Op_Eq then
+ Expr := Make_Op_Eq (Loc, Left_Opnd => L, Right_Opnd => R);
+ elsif Op_Name = Name_Op_Ne then
+ Expr := Make_Op_Ne (Loc, Left_Opnd => L, Right_Opnd => R);
+ elsif Op_Name = Name_Op_Le then
+ Expr := Make_Op_Le (Loc, Left_Opnd => L, Right_Opnd => R);
+ elsif Op_Name = Name_Op_Gt then
+ Expr := Make_Op_Gt (Loc, Left_Opnd => L, Right_Opnd => R);
+ elsif Op_Name = Name_Op_Ge then
+ Expr := Make_Op_Ge (Loc, Left_Opnd => L, Right_Opnd => R);
+ elsif Op_Name = Name_Op_Lt then
+ Expr := Make_Op_Lt (Loc, Left_Opnd => L, Right_Opnd => R);
+ elsif Op_Name = Name_Op_Add then
+ Expr := Make_Op_Add (Loc, Left_Opnd => L, Right_Opnd => R);
+ elsif Op_Name = Name_Op_Subtract then
+ Expr := Make_Op_Subtract (Loc, Left_Opnd => L, Right_Opnd => R);
+ elsif Op_Name = Name_Op_Concat then
+ Expr := Make_Op_Concat (Loc, Left_Opnd => L, Right_Opnd => R);
+ elsif Op_Name = Name_Op_Multiply then
+ Expr := Make_Op_Multiply (Loc, Left_Opnd => L, Right_Opnd => R);
+ elsif Op_Name = Name_Op_Divide then
+ Expr := Make_Op_Divide (Loc, Left_Opnd => L, Right_Opnd => R);
+ elsif Op_Name = Name_Op_Mod then
+ Expr := Make_Op_Mod (Loc, Left_Opnd => L, Right_Opnd => R);
+ elsif Op_Name = Name_Op_Rem then
+ Expr := Make_Op_Rem (Loc, Left_Opnd => L, Right_Opnd => R);
+ elsif Op_Name = Name_Op_Expon then
+ Expr := Make_Op_Expon (Loc, Left_Opnd => L, Right_Opnd => R);
+ end if;
+
+ -- Unary operators
+
+ else
+ if Op_Name = Name_Op_Add then
+ Expr := Make_Op_Plus (Loc, Right_Opnd => L);
+ elsif Op_Name = Name_Op_Subtract then
+ Expr := Make_Op_Minus (Loc, Right_Opnd => L);
+ elsif Op_Name = Name_Op_Abs then
+ Expr := Make_Op_Abs (Loc, Right_Opnd => L);
+ elsif Op_Name = Name_Op_Not then
+ Expr := Make_Op_Not (Loc, Right_Opnd => L);
+ end if;
+ end if;
+
+ Decl :=
+ Make_Expression_Function (Loc,
+ Specification => Spec,
+ Expression => Expr);
+
+ return Decl;
+ end Build_Operator_Wrapper;
+
-------------------------------------------
-- Build_Instance_Compilation_Unit_Nodes --
-------------------------------------------
-- original name.
elsif Is_Entity_Name (Original_Node (Constant_Value (Ent))) then
- Ent := Entity (Original_Node (Constant_Value (Ent)));
+ Ent := Entity (Original_Node (Constant_Value (Ent)));
+
else
return False;
end if;
-- Start of processing for Check_Formal_Package_Instance
begin
- while Present (E1)
- and then Present (E2)
- loop
+ while Present (E1) and then Present (E2) loop
exit when Ekind (E1) = E_Package
and then Renamed_Entity (E1) = Renamed_Entity (Actual_Pack);
and then not Comes_From_Source (E1)
and then Chars (E1) /= Chars (E2)
then
- while Present (E1)
- and then Chars (E1) /= Chars (E2)
- loop
+ while Present (E1) and then Chars (E1) /= Chars (E2) loop
Next_Entity (E1);
end loop;
end if;
-- If E2 is a formal type declaration, it is a defaulted parameter
-- and needs no checking.
- if not Is_Itype (E1)
- and then not Is_Itype (E2)
- then
+ if not Is_Itype (E1) and then not Is_Itype (E2) then
Check_Mismatch
(not Is_Type (E2)
or else Etype (E1) /= Etype (E2)
Expr2 := Expression (Parent (E2));
end if;
- if Is_Static_Expression (Expr1) then
-
- if not Is_Static_Expression (Expr2) then
+ if Is_OK_Static_Expression (Expr1) then
+ if not Is_OK_Static_Expression (Expr2) then
Check_Mismatch (True);
elsif Is_Discrete_Type (Etype (E1)) then
(not Same_Instantiated_Constant
(Entity (Expr1), Entity (Expr2)));
end if;
+
else
Check_Mismatch (True);
end if;
elsif Is_Entity_Name (Original_Node (Expr1))
and then Is_Entity_Name (Expr2)
- and then
- Same_Instantiated_Constant
- (Entity (Original_Node (Expr1)), Entity (Expr2))
+ and then Same_Instantiated_Constant
+ (Entity (Original_Node (Expr1)), Entity (Expr2))
then
null;
-- If the formal package is declared with a box, or if the formal
-- parameter is defaulted, it is visible in the body.
- elsif Is_Formal_Box
- or else Is_Visible_Formal (E)
- then
+ elsif Is_Formal_Box or else Is_Visible_Formal (E) then
Set_Is_Hidden (E, False);
end if;
begin
if Is_Wrapper_Package (Instance) then
Gen_Id :=
- Generic_Parent
- (Specification
- (Unit_Declaration_Node
- (Related_Instance (Instance))));
+ Generic_Parent
+ (Specification
+ (Unit_Declaration_Node
+ (Related_Instance (Instance))));
else
Gen_Id :=
Generic_Parent (Package_Specification (Instance));
if Is_Child_Unit (E)
and then not Comes_From_Source (Entity (Prefix (Gen_Id)))
and then (not In_Instance
- or else Nkind (Parent (Parent (Gen_Id))) =
+ or else Nkind (Parent (Parent (Gen_Id))) =
N_Compilation_Unit)
then
Error_Msg_N
and then Is_Generic_Unit (Scope (Renamed_Object (E)))
and then Nkind (Name (Parent (E))) = N_Expanded_Name
then
- Rewrite (Gen_Id,
- New_Copy_Tree (Name (Parent (E))));
+ Rewrite (Gen_Id, New_Copy_Tree (Name (Parent (E))));
Inst_Par := Entity (Prefix (Gen_Id));
if not In_Open_Scopes (Inst_Par) then
Error_Msg_Node_2 := Scope (Act_Decl_Id);
Error_Msg_NE
("generic unit & is implicitly declared in &",
- Defining_Unit_Name (N), Gen_Unit);
+ Defining_Unit_Name (N), Gen_Unit);
Error_Msg_N ("\instance must have different name",
Defining_Unit_Name (N));
end if;
if Nkind (Actual) = N_Subtype_Declaration then
Gen_T := Generic_Parent_Type (Actual);
- if Present (Gen_T)
- and then Is_Tagged_Type (Gen_T)
- then
+ if Present (Gen_T) and then Is_Tagged_Type (Gen_T) then
+
-- Traverse the list of primitives of the actual types
-- searching for hidden primitives that are visible in the
-- corresponding generic formal; leave them visible and
if Ekind (Scop) = E_Generic_Package
or else (Is_Subprogram (Scop)
- and then Nkind (Unit_Declaration_Node (Scop)) =
+ and then Nkind (Unit_Declaration_Node (Scop)) =
N_Generic_Subprogram_Declaration)
then
Elmt := First_Elmt (Inner_Instances (Inner));
Error_Msg_Node_2 := Inner;
Error_Msg_NE
("circular Instantiation: & instantiated within &!",
- N, Scop);
+ N, Scop);
return True;
elsif Node (Elmt) = Inner then
Error_Msg_Node_2 := Inner;
Error_Msg_NE
("circular Instantiation: & instantiated within &!",
- N, Node (Elmt));
+ N, Node (Elmt));
return True;
end if;
Rt : Entity_Id;
begin
- if Present (T)
- and then Is_Private_Type (T)
- then
+ if Present (T) and then Is_Private_Type (T) then
Switch_View (T);
end if;
-- Retrieve the allocator node in the generic copy
Acc_T := Etype (Parent (Parent (T)));
- if Present (Acc_T)
- and then Is_Private_Type (Acc_T)
- then
+
+ if Present (Acc_T) and then Is_Private_Type (Acc_T) then
Switch_View (Acc_T);
end if;
end if;
and then Instantiating
then
-- If the string is declared in an outer scope, the string_literal
- -- subtype created for it may have the wrong scope. We force the
- -- reanalysis of the constant to generate a new itype in the proper
- -- context.
+ -- subtype created for it may have the wrong scope. Force reanalysis
+ -- of the constant to generate a new itype in the proper context.
Set_Etype (New_N, Empty);
Set_Analyzed (New_N, False);
and then Earlier (Inst_Node, Gen_Body)
then
if Nkind (Enc_G) = N_Package_Body then
- E_G_Id := Corresponding_Spec (Enc_G);
+ E_G_Id :=
+ Corresponding_Spec (Enc_G);
else pragma Assert (Nkind (Enc_G) = N_Package_Body_Stub);
E_G_Id :=
Corresponding_Spec (Proper_Body (Unit (Library_Unit (Enc_G))));
begin
if Res /= Assoc_Null then
return Generic_Renamings.Table (Res).Act_Id;
+
else
-- On exit, entity is not instantiated: not a generic parameter, or
-- else parameter of an inner generic unit.
Inst : Node_Id) return Boolean
is
Decls : constant Node_Id := Parent (F_Node);
- Nod : Node_Id := Parent (Inst);
+ Nod : Node_Id;
begin
+ Nod := Parent (Inst);
while Present (Nod) loop
if Nod = Decls then
return True;
begin
S := Scope (Gen);
- while Present (S)
- and then S /= Standard_Standard
- loop
+ while Present (S) and then S /= Standard_Standard loop
if Is_Generic_Instance (S)
and then In_Same_Source_Unit (S, N)
then
-- In these three cases the freeze node of the previous
-- instance is not relevant.
- while Present (Scop)
- and then Scop /= Standard_Standard
- loop
+ while Present (Scop) and then Scop /= Standard_Standard loop
exit when Scop = Par_I
or else
(Is_Generic_Instance (Scop)
-- the current scope as well.
elsif Present (Next (N))
- and then Nkind_In (Next (N),
- N_Subprogram_Body, N_Package_Body)
+ and then Nkind_In (Next (N), N_Subprogram_Body,
+ N_Package_Body)
and then Comes_From_Source (Next (N))
then
null;
-- Current instance is within an unrelated body
elsif Present (Enclosing_N)
- and then Enclosing_N /= Enclosing_Body (Par_I)
+ and then Enclosing_N /= Enclosing_Body (Par_I)
then
null;
(Gen_Unit = Act_Unit
and then (Nkind_In (Gen_Unit, N_Package_Declaration,
N_Generic_Package_Declaration)
- or else (Gen_Unit = Body_Unit
- and then True_Sloc (N) < Sloc (Orig_Body)))
+ or else (Gen_Unit = Body_Unit
+ and then True_Sloc (N) < Sloc (Orig_Body)))
and then Is_In_Main_Unit (Gen_Unit)
and then (Scope (Act_Id) = Scope (Gen_Id)
- or else In_Same_Enclosing_Subp));
+ or else In_Same_Enclosing_Subp));
-- If this is an early instantiation, the freeze node is placed after
-- the generic body. Otherwise, if the generic appears in an instance,
end if;
Next_Entity (E);
+
if Present (Gen_E) then
Next_Entity (Gen_E);
end if;
First_Gen := Gen_Par;
- while Present (Gen_Par)
- and then Is_Child_Unit (Gen_Par)
- loop
+ while Present (Gen_Par) and then Is_Child_Unit (Gen_Par) loop
+
-- Load grandparent instance as well
Inst_Node := Get_Package_Instantiation_Node (Inst_Par);
and then Remove_Suffix (Prim_A, 'P') = Chars (Prim_G)
then
Set_Chars (Prim_A, Chars (Prim_G));
-
- if List = No_Elist then
- List := New_Elmt_List;
- end if;
-
- Append_Elmt (Prim_A, List);
+ Append_New_Elmt (Prim_A, To => List);
end if;
Next_Elmt (Prim_A_Elmt);
Defining_Unit_Name => New_Copy (Defining_Identifier (Formal)),
Name => New_Occurrence_Of (Actual_Pack, Loc));
- Set_Associated_Formal_Package (Defining_Unit_Name (Nod),
- Defining_Identifier (Formal));
+ Set_Associated_Formal_Package
+ (Defining_Unit_Name (Nod), Defining_Identifier (Formal));
Decls := New_List (Nod);
-- If the formal F has a box, then the generic declarations are
Append_To (Decls,
Make_Package_Instantiation (Sloc (Actual),
- Defining_Unit_Name => I_Pack,
- Name =>
+ Defining_Unit_Name => I_Pack,
+ Name =>
New_Occurrence_Of
(Get_Instance_Of (Gen_Parent), Sloc (Actual)),
Generic_Associations =>
Actual : Node_Id;
Analyzed_Formal : Node_Id) return Node_Id
is
- Loc : Source_Ptr;
- Formal_Sub : constant Entity_Id :=
- Defining_Unit_Name (Specification (Formal));
Analyzed_S : constant Entity_Id :=
Defining_Unit_Name (Specification (Analyzed_Formal));
- Decl_Node : Node_Id;
- Nam : Node_Id;
- New_Spec : Node_Id;
+ Formal_Sub : constant Entity_Id :=
+ Defining_Unit_Name (Specification (Formal));
function From_Parent_Scope (Subp : Entity_Id) return Boolean;
-- If the generic is a child unit, the parent has been installed on the
end if;
Error_Msg_NE
- ("expect subprogram or entry name in instantiation of&",
+ ("expect subprogram or entry name in instantiation of &",
Instantiation_Node, Formal_Sub);
Abandon_Instantiation (Instantiation_Node);
-
end Valid_Actual_Subprogram;
+ -- Local variables
+
+ Decl_Node : Node_Id;
+ Loc : Source_Ptr;
+ Nam : Node_Id;
+ New_Spec : Node_Id;
+ New_Subp : Entity_Id;
+
-- Start of processing for Instantiate_Formal_Subprogram
begin
Loc := Sloc (Defining_Unit_Name (New_Spec));
- -- Create new entity for the actual (New_Copy_Tree does not)
+ -- Create new entity for the actual (New_Copy_Tree does not), and
+ -- indicate that it is an actual.
- Set_Defining_Unit_Name
- (New_Spec, Make_Defining_Identifier (Loc, Chars (Formal_Sub)));
+ New_Subp := Make_Defining_Identifier (Loc, Chars (Formal_Sub));
+ Set_Ekind (New_Subp, Ekind (Analyzed_S));
+ Set_Is_Generic_Actual_Subprogram (New_Subp);
+ Set_Defining_Unit_Name (New_Spec, New_Subp);
- -- Create new entities for the each of the formals in the
- -- specification of the renaming declaration built for the actual.
+ -- Create new entities for the each of the formals in the specification
+ -- of the renaming declaration built for the actual.
if Present (Parameter_Specifications (New_Spec)) then
declare
- F : Node_Id;
+ F : Node_Id;
+ F_Id : Entity_Id;
+
begin
F := First (Parameter_Specifications (New_Spec));
while Present (F) loop
+ F_Id := Defining_Identifier (F);
+
Set_Defining_Identifier (F,
- Make_Defining_Identifier (Sloc (F),
- Chars => Chars (Defining_Identifier (F))));
+ Make_Defining_Identifier (Sloc (F_Id), Chars (F_Id)));
Next (F);
end loop;
end;
-- identifier or operator with the same name as the formal.
if Nkind (Formal_Sub) = N_Defining_Operator_Symbol then
- Nam := Make_Operator_Symbol (Loc,
- Chars => Chars (Formal_Sub),
- Strval => No_String);
+ Nam :=
+ Make_Operator_Symbol (Loc,
+ Chars => Chars (Formal_Sub),
+ Strval => No_String);
else
Nam := Make_Identifier (Loc, Chars (Formal_Sub));
end if;
-- instance. If overloaded, it will be resolved when analyzing the
-- renaming declaration.
- if Box_Present (Formal)
- and then No (Actual)
- then
+ if Box_Present (Formal) and then No (Actual) then
Analyze (Nam);
if Is_Child_Unit (Scope (Analyzed_S))
if No (Actual) then
Error_Msg_NE
- ("missing actual&",
+ ("missing actual &",
Instantiation_Node, Gen_Obj);
Error_Msg_NE
("\in instantiation of & declared#",
- Instantiation_Node, Scope (A_Gen_Obj));
+ Instantiation_Node, Scope (A_Gen_Obj));
Abandon_Instantiation (Instantiation_Node);
end if;
Resolve (Actual, Ftyp);
if not Denotes_Variable (Actual) then
- Error_Msg_NE
- ("actual for& must be a variable", Actual, Gen_Obj);
+ Error_Msg_NE ("actual for& must be a variable", Actual, Gen_Obj);
elsif Base_Type (Ftyp) /= Base_Type (Etype (Actual)) then
-- access type.
if Ada_Version < Ada_2005
- or else
- Ekind (Base_Type (Ftyp)) /=
- E_Anonymous_Access_Type
- or else
- Ekind (Base_Type (Etype (Actual))) /=
- E_Anonymous_Access_Type
+ or else Ekind (Base_Type (Ftyp)) /=
+ E_Anonymous_Access_Type
+ or else Ekind (Base_Type (Etype (Actual))) /=
+ E_Anonymous_Access_Type
then
- Error_Msg_NE ("type of actual does not match type of&",
- Actual, Gen_Obj);
+ Error_Msg_NE
+ ("type of actual does not match type of&", Actual, Gen_Obj);
end if;
end if;
-- Check for instantiation of atomic/volatile actual for
-- non-atomic/volatile formal (RM C.6 (12)).
- if Is_Atomic_Object (Actual)
- and then not Is_Atomic (Orig_Ftyp)
- then
+ if Is_Atomic_Object (Actual) and then not Is_Atomic (Orig_Ftyp) then
Error_Msg_N
- ("cannot instantiate non-atomic formal object " &
- "with atomic actual", Actual);
+ ("cannot instantiate non-atomic formal object "
+ & "with atomic actual", Actual);
- elsif Is_Volatile_Object (Actual)
- and then not Is_Volatile (Orig_Ftyp)
+ elsif Is_Volatile_Object (Actual) and then not Is_Volatile (Orig_Ftyp)
then
Error_Msg_N
- ("cannot instantiate non-volatile formal object " &
- "with volatile actual", Actual);
+ ("cannot instantiate non-volatile formal object "
+ & "with volatile actual", Actual);
end if;
-- Formal in-parameter
begin
Typ := Get_Instance_Of (Formal_Type);
- Freeze_Before (Instantiation_Node, Typ);
+ -- If the actual appears in the current or an enclosing scope,
+ -- use its type directly. This is relevant if it has an actual
+ -- subtype that is distinct from its nominal one. This cannot
+ -- be done in general because the type of the actual may
+ -- depend on other actuals, and only be fully determined when
+ -- the enclosing instance is analyzed.
+
+ if Present (Etype (Actual))
+ and then Is_Constr_Subt_For_U_Nominal (Etype (Actual))
+ then
+ Freeze_Before (Instantiation_Node, Etype (Actual));
+ else
+ Freeze_Before (Instantiation_Node, Typ);
+ end if;
-- If the actual is an aggregate, perform name resolution on
-- its components (the analysis of an aggregate does not do it)
if Ada_Version >= Ada_2005
and then Present (Actual_Decl)
- and then
- Nkind_In (Actual_Decl, N_Formal_Object_Declaration,
- N_Object_Declaration)
+ and then Nkind_In (Actual_Decl, N_Formal_Object_Declaration,
+ N_Object_Declaration)
and then Nkind (Analyzed_Formal) = N_Formal_Object_Declaration
and then not Has_Null_Exclusion (Actual_Decl)
and then Has_Null_Exclusion (Analyzed_Formal)
("actual must exclude null to match generic formal#", Actual);
end if;
- -- A volatile object cannot be used as an actual in a generic instance.
- -- The following check is only relevant when SPARK_Mode is on as it is
- -- not a standard Ada legality rule.
+ -- An effectively volatile object cannot be used as an actual in
+ -- a generic instance. The following check is only relevant when
+ -- SPARK_Mode is on as it is not a standard Ada legality rule.
if SPARK_Mode = On
and then Present (Actual)
- and then Is_SPARK_Volatile_Object (Actual)
+ and then Is_Effectively_Volatile_Object (Actual)
then
Error_Msg_N
("volatile object cannot act as actual in generic instantiation "
-----------------------------
procedure Check_Initialized_Types is
- Decl : Node_Id;
- Formal : Entity_Id;
- Actual : Entity_Id;
+ Decl : Node_Id;
+ Formal : Entity_Id;
+ Actual : Entity_Id;
+ Uninit_Var : Entity_Id;
begin
Decl := First (Generic_Formal_Declarations (Gen_Decl));
while Present (Decl) loop
- if (Nkind (Decl) = N_Private_Extension_Declaration
- and then Needs_Initialized_Actual (Decl))
-
- or else (Nkind (Decl) = N_Formal_Type_Declaration
- and then Nkind (Formal_Type_Definition (Decl)) =
- N_Formal_Private_Type_Definition
- and then Needs_Initialized_Actual
- (Formal_Type_Definition (Decl)))
+ Uninit_Var := Empty;
+
+ if Nkind (Decl) = N_Private_Extension_Declaration then
+ Uninit_Var := Uninitialized_Variable (Decl);
+
+ elsif Nkind (Decl) = N_Formal_Type_Declaration
+ and then Nkind (Formal_Type_Definition (Decl)) =
+ N_Formal_Private_Type_Definition
then
+ Uninit_Var :=
+ Uninitialized_Variable (Formal_Type_Definition (Decl));
+ end if;
+
+ if Present (Uninit_Var) then
Formal := Defining_Identifier (Decl);
Actual := First_Entity (Act_Decl_Id);
-- For each formal there is a subtype declaration that renames
- -- the actual and has the same name as the formal.
+ -- the actual and has the same name as the formal. Locate the
+ -- formal for warning message about uninitialized variables
+ -- in the generic, for which the actual type should be a fully
+ -- initialized type.
while Present (Actual) loop
exit when Ekind (Actual) = E_Package
and then not Is_Fully_Initialized_Type (Actual)
and then Warn_On_No_Value_Assigned
then
+ Error_Msg_Node_2 := Formal;
+ Error_Msg_NE
+ ("generic unit has uninitialized variable& of "
+ & "formal private type &?v?", Actual, Uninit_Var);
Error_Msg_NE
- ("from its use in generic unit, actual for& should "
- & "be fully initialized type??", Actual, Formal);
+ ("actual type for& should be fully initialized type?v?",
+ Actual, Formal);
exit;
end if;
Opt.SPARK_Mode_Pragma := Body_Info.SPARK_Mode_Pragma;
if No (Gen_Body_Id) then
- Load_Parent_Of_Generic
- (Inst_Node, Specification (Gen_Decl), Body_Optional);
- Gen_Body_Id := Corresponding_Body (Gen_Decl);
+
+ -- Do not look for parent of generic body if none is required.
+ -- This may happen when the routine is called as part of the
+ -- Pending_Instantiations processing, when nested instances
+ -- may precede the one generated from the main unit.
+
+ if not Unit_Requires_Body (Defining_Entity (Gen_Decl))
+ and then Body_Optional
+ then
+ return;
+ else
+ Load_Parent_Of_Generic
+ (Inst_Node, Specification (Gen_Decl), Body_Optional);
+ Gen_Body_Id := Corresponding_Body (Gen_Decl);
+ end if;
end if;
-- Establish global variable for sloc adjustment and for error recovery
if Nkind (Defining_Unit_Name (Act_Spec)) =
N_Defining_Program_Unit_Name
then
- Set_Scope
- (Defining_Entity (Inst_Node), Scope (Act_Decl_Id));
+ Set_Scope (Defining_Entity (Inst_Node), Scope (Act_Decl_Id));
end if;
end if;
-- to be compiled with checks off.
-- Note that we do NOT apply this criterion to children of GNAT
- -- (or on VMS, children of DEC). The latter units must suppress
- -- checks explicitly if this is needed.
+ -- The latter units must suppress checks explicitly if needed.
if Is_Predefined_File_Name
(Unit_File_Name (Get_Source_Unit (Gen_Decl)))
-- If there is a formal subprogram with the same name as the unit
-- itself, do not add this renaming declaration. This is a temporary
- -- fix for one ACVC test. ???
+ -- fix for one ACATS test. ???
Prev_Formal := First_Entity (Pack_Id);
while Present (Prev_Formal) loop
Loc : Source_Ptr;
Subt : Entity_Id;
+ procedure Diagnose_Predicated_Actual;
+ -- There are a number of constructs in which a discrete type with
+ -- predicates is illegal, e.g. as an index in an array type declaration.
+ -- If a generic type is used is such a construct in a generic package
+ -- declaration, it carries the flag No_Predicate_On_Actual. it is part
+ -- of the generic contract that the actual cannot have predicates.
+
procedure Validate_Array_Type_Instance;
procedure Validate_Access_Subprogram_Instance;
procedure Validate_Access_Type_Instance;
-- Check that base types are the same and that the subtypes match
-- statically. Used in several of the above.
+ ---------------------------------
+ -- Diagnose_Predicated_Actual --
+ ---------------------------------
+
+ procedure Diagnose_Predicated_Actual is
+ begin
+ if No_Predicate_On_Actual (A_Gen_T)
+ and then Has_Predicates (Act_T)
+ then
+ Error_Msg_NE
+ ("actual for& cannot be a type with predicate",
+ Instantiation_Node, A_Gen_T);
+
+ elsif No_Dynamic_Predicate_On_Actual (A_Gen_T)
+ and then Has_Predicates (Act_T)
+ and then not Has_Static_Predicate_Aspect (Act_T)
+ then
+ Error_Msg_NE
+ ("actual for& cannot be a type with a dynamic predicate",
+ Instantiation_Node, A_Gen_T);
+ end if;
+ end Diagnose_Predicated_Actual;
+
--------------------
-- Subtypes_Match --
--------------------
if Subtypes_Match
(Component_Type (A_Gen_T), Component_Type (Act_T))
- or else Subtypes_Match
- (Find_Actual_Type (Component_Type (A_Gen_T), A_Gen_T),
- Component_Type (Act_T))
+ or else
+ Subtypes_Match
+ (Find_Actual_Type (Component_Type (A_Gen_T), A_Gen_T),
+ Component_Type (Act_T))
then
null;
else
elsif Nkind (Parent (Act_T)) = N_Full_Type_Declaration
and then Nkind (Type_Definition (Parent (Act_T))) =
- N_Derived_Type_Definition
- and then not Synchronized_Present (Type_Definition
- (Parent (Act_T)))
+ N_Derived_Type_Definition
+ and then not Synchronized_Present
+ (Type_Definition (Parent (Act_T)))
then
Error_Msg_N
("actual of synchronized type must be synchronized", Actual);
and then not Unknown_Discriminants_Present (Formal)
and then Is_Indefinite_Subtype (Act_T)
then
- Error_Msg_N
- ("actual subtype must be constrained", Actual);
+ Error_Msg_N ("actual subtype must be constrained", Actual);
Abandon_Instantiation (Actual);
end if;
if not Unknown_Discriminants_Present (Formal) then
if Is_Constrained (Ancestor) then
if not Is_Constrained (Act_T) then
- Error_Msg_N
- ("actual subtype must be constrained", Actual);
+ Error_Msg_N ("actual subtype must be constrained", Actual);
Abandon_Instantiation (Actual);
end if;
elsif Is_Constrained (Act_T) then
if Ekind (Ancestor) = E_Access_Type
- or else
- (not Is_Constrained (A_Gen_T)
- and then Is_Composite_Type (A_Gen_T))
+ or else (not Is_Constrained (A_Gen_T)
+ and then Is_Composite_Type (A_Gen_T))
then
- Error_Msg_N
- ("actual subtype must be unconstrained", Actual);
+ Error_Msg_N ("actual subtype must be unconstrained", Actual);
Abandon_Instantiation (Actual);
end if;
("actual for & cannot be a class-wide type", Actual, Gen_T);
Abandon_Instantiation (Actual);
- -- Otherwise, the formal and actual shall have the same number
+ -- Otherwise, the formal and actual must have the same number
-- of discriminants and each discriminant of the actual must
-- correspond to a discriminant of the formal.
No (Corresponding_Discriminant (Actual_Discr))
then
Error_Msg_NE
- ("discriminant & does not correspond " &
- "to ancestor discriminant", Actual, Actual_Discr);
+ ("discriminant & does not correspond "
+ & "to ancestor discriminant", Actual, Actual_Discr);
Abandon_Instantiation (Actual);
end if;
Anc_F_Type := Etype (Anc_Formal);
Act_F_Type := Etype (Act_Formal);
- if Ekind (Anc_F_Type)
- = E_Anonymous_Access_Type
+ if Ekind (Anc_F_Type) =
+ E_Anonymous_Access_Type
then
Anc_F_Type := Designated_Type (Anc_F_Type);
- if Ekind (Act_F_Type)
- = E_Anonymous_Access_Type
+ if Ekind (Act_F_Type) =
+ E_Anonymous_Access_Type
then
Act_F_Type :=
Designated_Type (Act_F_Type);
Anc_F_Type := Etype (Anc_Subp);
Act_F_Type := Etype (Act_Subp);
- if Ekind (Anc_F_Type)
- = E_Anonymous_Access_Type
+ if Ekind (Anc_F_Type) =
+ E_Anonymous_Access_Type
then
Anc_F_Type :=
Designated_Type (Anc_F_Type);
- if Ekind (Act_F_Type)
- = E_Anonymous_Access_Type
+ if Ekind (Act_F_Type) =
+ E_Anonymous_Access_Type
then
Act_F_Type :=
Designated_Type (Act_F_Type);
and then Anc_F_Type /= Act_F_Type
and then
Has_Controlling_Result (Anc_Subp)
- and then
- not Is_Tagged_Ancestor
- (Anc_F_Type, Act_F_Type)
+ and then not Is_Tagged_Ancestor
+ (Anc_F_Type, Act_F_Type)
then
Subprograms_Correspond := False;
end if;
if Subprograms_Correspond then
Error_Msg_NE
- ("abstract subprogram & overrides " &
- "nonabstract subprogram of ancestor",
- Actual,
- Act_Subp);
+ ("abstract subprogram & overrides "
+ & "nonabstract subprogram of ancestor",
+ Actual, Act_Subp);
end if;
end if;
end if;
null;
else
Error_Msg_NE
- ("actual for non-limited & cannot be a limited type", Actual,
- Gen_T);
+ ("actual for non-limited & cannot be a limited type",
+ Actual, Gen_T);
Explain_Limited_Type (Act_T, Actual);
Abandon_Instantiation (Actual);
end if;
if not Is_Interface (Act_T) then
Error_Msg_NE
("actual for formal interface type must be an interface",
- Actual, Gen_T);
+ Actual, Gen_T);
elsif Is_Limited_Type (Act_T) /= Is_Limited_Type (A_Gen_T)
- or else
- Is_Task_Interface (A_Gen_T) /= Is_Task_Interface (Act_T)
- or else
- Is_Protected_Interface (A_Gen_T) /=
- Is_Protected_Interface (Act_T)
- or else
- Is_Synchronized_Interface (A_Gen_T) /=
- Is_Synchronized_Interface (Act_T)
+ or else Is_Task_Interface (A_Gen_T) /= Is_Task_Interface (Act_T)
+ or else Is_Protected_Interface (A_Gen_T) /=
+ Is_Protected_Interface (Act_T)
+ or else Is_Synchronized_Interface (A_Gen_T) /=
+ Is_Synchronized_Interface (Act_T)
then
Error_Msg_NE
("actual for interface& does not match (RM 12.5.5(4))",
if Is_Unchecked_Union (Base_Type (Act_T)) then
if not Has_Discriminants (A_Gen_T)
- or else
- (Is_Derived_Type (A_Gen_T)
- and then
- Is_Unchecked_Union (A_Gen_T))
+ or else (Is_Derived_Type (A_Gen_T)
+ and then Is_Unchecked_Union (A_Gen_T))
then
null;
else
- Error_Msg_N ("unchecked union cannot be the actual for a" &
- " discriminated formal type", Act_T);
+ Error_Msg_N ("unchecked union cannot be the actual for a "
+ & "discriminated formal type", Act_T);
end if;
end if;
if Ekind (Act_T) = E_Incomplete_Type
or else (Is_Class_Wide_Type (Act_T)
- and then
- Ekind (Root_Type (Act_T)) = E_Incomplete_Type)
+ and then Ekind (Root_Type (Act_T)) = E_Incomplete_Type)
then
-- If the formal is an incomplete type, the actual can be
-- incomplete as well.
if not Is_Discrete_Type (Act_T) then
Error_Msg_NE
("expect discrete type in instantiation of&",
- Actual, Gen_T);
+ Actual, Gen_T);
Abandon_Instantiation (Actual);
end if;
+ Diagnose_Predicated_Actual;
+
when N_Formal_Signed_Integer_Type_Definition =>
if not Is_Signed_Integer_Type (Act_T) then
Error_Msg_NE
Abandon_Instantiation (Actual);
end if;
+ Diagnose_Predicated_Actual;
+
when N_Formal_Modular_Type_Definition =>
if not Is_Modular_Integer_Type (Act_T) then
Error_Msg_NE
Abandon_Instantiation (Actual);
end if;
+ Diagnose_Predicated_Actual;
+
when N_Formal_Floating_Point_Definition =>
if not Is_Floating_Point_Type (Act_T) then
Error_Msg_NE
Set_Generic_Parent_Type (Decl_Node, Ancestor);
end if;
- elsif Nkind_In (Def,
- N_Formal_Private_Type_Definition,
- N_Formal_Incomplete_Type_Definition)
+ elsif Nkind_In (Def, N_Formal_Private_Type_Definition,
+ N_Formal_Incomplete_Type_Definition)
then
Set_Generic_Parent_Type (Decl_Node, A_Gen_T);
end if;
if not In_Same_Source_Unit (N, Spec)
or else Nkind (Unit (Comp_Unit)) = N_Package_Declaration
or else (Nkind (Unit (Comp_Unit)) = N_Package_Body
- and then not Is_In_Main_Unit (Spec))
+ and then not Is_In_Main_Unit (Spec))
then
-- Find body of parent of spec, and analyze it. A special case arises
-- when the parent is an instantiation, that is to say when we are
and then Nkind (True_Parent) /= N_Compilation_Unit
loop
if Nkind (True_Parent) = N_Package_Declaration
- and then
- Nkind (Original_Node (True_Parent)) = N_Package_Instantiation
+ and then
+ Nkind (Original_Node (True_Parent)) = N_Package_Instantiation
then
-- Parent is a compilation unit that is an instantiation.
-- Instantiation node has been replaced with package decl.
Analyze (Act);
end if;
- -- Ensure that a ghost subprogram does not act as generic actual
-
- if Is_Entity_Name (Act)
- and then Is_Ghost_Subprogram (Entity (Act))
- then
- Error_Msg_N
- ("ghost subprogram & cannot act as generic actual", Act);
- Abandon_Instantiation (Act);
-
- elsif Errs /= Serious_Errors_Detected then
+ if Errs /= Serious_Errors_Detected then
-- Do a minimal analysis of the generic, to prevent spurious
-- warnings complaining about the generic being unreferenced,
-- provide additional warning which might explain the error.
Set_Is_Immediately_Visible (Cur, Vis);
- Error_Msg_NE ("& hides outer unit with the same name??",
- N, Defining_Unit_Name (N));
+ Error_Msg_NE
+ ("& hides outer unit with the same name??",
+ N, Defining_Unit_Name (N));
end if;
Abandon_Instantiation (Act);
elsif Nkind (N) = N_Op_Concat
and then Is_Generic_Type (Etype (N2))
and then (Base_Type (Etype (Right_Opnd (N2))) = Etype (N2)
- or else
+ or else
Base_Type (Etype (Left_Opnd (N2))) = Etype (N2))
and then Is_Intrinsic_Subprogram (E)
then
end if;
elsif D in List_Range then
- if D = Union_Id (No_List)
- or else Is_Empty_List (List_Id (D))
- then
+ if D = Union_Id (No_List) or else Is_Empty_List (List_Id (D)) then
null;
else
Make_Explicit_Dereference (Loc,
Prefix => Make_Function_Call (Loc,
Name =>
- New_Occurrence_Of (Entity (Name (Prefix (N2))),
- Loc))));
+ New_Occurrence_Of
+ (Entity (Name (Prefix (N2))), Loc))));
else
Set_Associated_Node (N, Empty);
if No (N2) then
Typ := Empty;
+
else
Typ := Etype (N2);
end if;
end if;
- if No (N2)
- or else No (Typ)
- or else not Is_Global (Typ)
- then
+ if No (N2) or else No (Typ) or else not Is_Global (Typ) then
Set_Associated_Node (N, Empty);
-- If the aggregate is an actual in a call, it has been
and then Comes_From_Source (Typ)
then
if Is_Immediately_Visible (Scope (Typ)) then
- Nam := Make_Selected_Component (Loc,
- Prefix =>
- Make_Identifier (Loc, Chars (Scope (Typ))),
- Selector_Name =>
- Make_Identifier (Loc, Chars (Typ)));
+ Nam :=
+ Make_Selected_Component (Loc,
+ Prefix =>
+ Make_Identifier (Loc, Chars (Scope (Typ))),
+ Selector_Name =>
+ Make_Identifier (Loc, Chars (Typ)));
else
Nam := Make_Identifier (Loc, Chars (Typ));
end if;
Qual :=
Make_Qualified_Expression (Loc,
Subtype_Mark => Nam,
- Expression => Relocate_Node (N));
+ Expression => Relocate_Node (N));
end if;
end if;
SPARK_Mode := Save_SPARK_Mode;
SPARK_Mode_Pragma := Save_SPARK_Mode_Pragma;
+
+ -- Make sure dynamic elaboration checks are off in SPARK Mode
+
+ if SPARK_Mode = On then
+ Dynamic_Elaboration_Checks := False;
+ end if;
end if;
Current_Instantiated_Parent :=
OK : Boolean;
begin
- if No (T)
- or else T = Any_Id
- then
+ if No (T) or else T = Any_Id then
return;
end if;
end case;
if not OK then
- Error_Msg_N ("attribute reference has wrong profile for subprogram",
- Def);
+ Error_Msg_N
+ ("attribute reference has wrong profile for subprogram", Def);
end if;
end Valid_Default_Attribute;