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-rw-r--r--sem_assocs.adb138
1 files changed, 66 insertions, 72 deletions
diff --git a/sem_assocs.adb b/sem_assocs.adb
index d85774675..40695838d 100644
--- a/sem_assocs.adb
+++ b/sem_assocs.adb
@@ -119,7 +119,7 @@ package body Sem_Assocs is
is
Assoc : Iir;
Formal : Iir;
- Interface : Iir;
+ Formal_Inter : Iir;
Actual : Iir;
Prefix : Iir;
Object : Iir;
@@ -131,18 +131,18 @@ package body Sem_Assocs is
Formal := Get_Formal (Assoc);
if Formal = Null_Iir then
-- Association by position.
- Interface := Inter;
+ Formal_Inter := Inter;
Inter := Get_Chain (Inter);
else
-- Association by name.
- Interface := Get_Base_Name (Formal);
+ Formal_Inter := Get_Base_Name (Formal);
Inter := Null_Iir;
end if;
case Get_Kind (Assoc) is
when Iir_Kind_Association_Element_Open =>
- if Get_Default_Value (Interface) = Null_Iir then
+ if Get_Default_Value (Formal_Inter) = Null_Iir then
Error_Msg_Sem
- ("no parameter for " & Disp_Node (Interface), Assoc);
+ ("no parameter for " & Disp_Node (Formal_Inter), Assoc);
end if;
when Iir_Kind_Association_Element_By_Expression =>
Actual := Get_Actual (Assoc);
@@ -153,7 +153,7 @@ package body Sem_Assocs is
Prefix := Actual;
end if;
- case Get_Kind (Interface) is
+ case Get_Kind (Formal_Inter) is
when Iir_Kind_Signal_Interface_Declaration =>
-- LRM93 2.1.1
-- In a subprogram call, the actual designator
@@ -175,7 +175,7 @@ package body Sem_Assocs is
else
-- Inherit has_active_flag.
Set_Has_Active_Flag
- (Prefix, Get_Has_Active_Flag (Interface));
+ (Prefix, Get_Has_Active_Flag (Formal_Inter));
end if;
when others =>
Error_Msg_Sem
@@ -186,20 +186,20 @@ package body Sem_Assocs is
case Get_Kind (Prefix) is
when Iir_Kind_Signal_Interface_Declaration =>
Check_Parameter_Association_Restriction
- (Interface, Prefix, Assoc);
+ (Formal_Inter, Prefix, Assoc);
when Iir_Kind_Guard_Signal_Declaration =>
- if Get_Mode (Interface) /= Iir_In_Mode then
+ if Get_Mode (Formal_Inter) /= Iir_In_Mode then
Error_Msg_Sem
("cannot associate a guard signal with "
- & Get_Mode_Name (Get_Mode (Interface)) & " "
- & Disp_Node (Interface), Assoc);
+ & Get_Mode_Name (Get_Mode (Formal_Inter))
+ & " " & Disp_Node (Formal_Inter), Assoc);
end if;
when Iir_Kinds_Signal_Attribute =>
- if Get_Mode (Interface) /= Iir_In_Mode then
+ if Get_Mode (Formal_Inter) /= Iir_In_Mode then
Error_Msg_Sem
("cannot associate a signal attribute with "
- & Get_Mode_Name (Get_Mode (Interface)) & " "
- & Disp_Node (Interface), Assoc);
+ & Get_Mode_Name (Get_Mode (Formal_Inter))
+ & " " & Disp_Node (Formal_Inter), Assoc);
end if;
when others =>
null;
@@ -223,7 +223,7 @@ package body Sem_Assocs is
case Get_Kind (Prefix) is
when Iir_Kind_Variable_Interface_Declaration =>
Check_Parameter_Association_Restriction
- (Interface, Prefix, Assoc);
+ (Formal_Inter, Prefix, Assoc);
when Iir_Kind_Variable_Declaration
| Iir_Kind_Dereference
| Iir_Kind_Implicit_Dereference =>
@@ -277,7 +277,8 @@ package body Sem_Assocs is
-- class constant must be an expression.
Check_Read (Actual);
when others =>
- Error_Kind ("check_subprogram_association(3)", Interface);
+ Error_Kind
+ ("check_subprogram_association(3)", Formal_Inter);
end case;
when Iir_Kind_Association_Element_By_Individual =>
null;
@@ -928,7 +929,7 @@ package body Sem_Assocs is
-- to the type of NAME.
-- In case of failure, set NAME_TYPE to NULL_IIR.
procedure Sem_Formal_Name (Name : Iir;
- Interface : Iir;
+ Inter : Iir;
Prefix : out Iir;
Name_Type : out Iir)
is
@@ -937,16 +938,15 @@ package body Sem_Assocs is
begin
case Get_Kind (Name) is
when Iir_Kind_Simple_Name =>
- if Get_Identifier (Name) = Get_Identifier (Interface) then
+ if Get_Identifier (Name) = Get_Identifier (Inter) then
Prefix := Name;
- Name_Type := Get_Type (Interface);
+ Name_Type := Get_Type (Inter);
else
Name_Type := Null_Iir;
end if;
return;
when Iir_Kind_Selected_Name =>
- Sem_Formal_Name
- (Get_Prefix (Name), Interface, Prefix, Name_Type);
+ Sem_Formal_Name (Get_Prefix (Name), Inter, Prefix, Name_Type);
if Name_Type = Null_Iir then
return;
end if;
@@ -966,8 +966,7 @@ package body Sem_Assocs is
return;
when Iir_Kind_Parenthesis_Name =>
-- More difficult: slice or indexed array.
- Sem_Formal_Name
- (Get_Prefix (Name), Interface, Prefix, Name_Type);
+ Sem_Formal_Name (Get_Prefix (Name), Inter, Prefix, Name_Type);
if Name_Type = Null_Iir then
return;
end if;
@@ -1033,7 +1032,7 @@ package body Sem_Assocs is
type Param_Assoc_Type is (None, Open, Individual, Whole);
- function Sem_Formal (Formal : Iir; Interface : Iir) return Param_Assoc_Type
+ function Sem_Formal (Formal : Iir; Inter : Iir) return Param_Assoc_Type
is
Prefix : Iir;
Formal_Type : Iir;
@@ -1042,9 +1041,9 @@ package body Sem_Assocs is
when Iir_Kind_Simple_Name =>
-- Certainly the most common case: FORMAL_NAME => VAL.
-- It is also the easiest. So, handle it completly now.
- if Get_Identifier (Formal) = Get_Identifier (Interface) then
- Formal_Type := Get_Type (Interface);
- Set_Named_Entity (Formal, Interface);
+ if Get_Identifier (Formal) = Get_Identifier (Inter) then
+ Formal_Type := Get_Type (Inter);
+ Set_Named_Entity (Formal, Inter);
Set_Type (Formal, Formal_Type);
--Xrefs.Xref_Name (Formal);
return Whole;
@@ -1059,10 +1058,10 @@ package body Sem_Assocs is
Error_Kind ("sem_formal", Formal);
end case;
-- Check for a sub-element.
- Sem_Formal_Name (Formal, Interface, Prefix, Formal_Type);
+ Sem_Formal_Name (Formal, Inter, Prefix, Formal_Type);
if Formal_Type /= Null_Iir then
Set_Type (Formal, Formal_Type);
- Set_Named_Entity (Prefix, Interface);
+ Set_Named_Entity (Prefix, Inter);
return Individual;
else
return None;
@@ -1214,7 +1213,7 @@ package body Sem_Assocs is
-- This sets RES.
procedure Sem_Association
(Assoc : Iir;
- Interface : Iir;
+ Inter : Iir;
Finish : Boolean;
Match : out Boolean)
is
@@ -1232,7 +1231,7 @@ package body Sem_Assocs is
if Get_Kind (Assoc) = Iir_Kind_Association_Element_Open then
if Formal /= Null_Iir then
- Assoc_Kind := Sem_Formal (Formal, Interface);
+ Assoc_Kind := Sem_Formal (Formal, Inter);
if Assoc_Kind = None then
Match := False;
return;
@@ -1257,7 +1256,7 @@ package body Sem_Assocs is
end if;
if Formal /= Null_Iir then
- Assoc_Kind := Sem_Formal (Formal, Interface);
+ Assoc_Kind := Sem_Formal (Formal, Inter);
if Assoc_Kind = None then
Match := False;
return;
@@ -1269,7 +1268,7 @@ package body Sem_Assocs is
else
Set_Whole_Association_Flag (Assoc, True);
Out_Conv := Null_Iir;
- Formal := Interface;
+ Formal := Inter;
end if;
Formal_Type := Get_Type (Formal);
@@ -1281,7 +1280,7 @@ package body Sem_Assocs is
Match := False;
return;
end if;
- if Get_Kind (Interface) /= Iir_Kind_Constant_Interface_Declaration then
+ if Get_Kind (Inter) /= Iir_Kind_Constant_Interface_Declaration then
case Get_Kind (Actual) is
when Iir_Kind_Function_Call =>
Expr := Get_Parameter_Association_Chain (Actual);
@@ -1325,13 +1324,13 @@ package body Sem_Assocs is
if Finish then
Error_Msg_Sem
("can't associate " & Disp_Node (Actual) & " with "
- & Disp_Node (Interface), Assoc);
+ & Disp_Node (Inter), Assoc);
Error_Msg_Sem
("(type of " & Disp_Node (Actual) & " is "
& Disp_Type_Of (Actual) & ")", Assoc);
Error_Msg_Sem
- ("(type of " & Disp_Node (Interface) & " is "
- & Disp_Type_Of (Interface) & ")", Interface);
+ ("(type of " & Disp_Node (Inter) & " is "
+ & Disp_Type_Of (Inter) & ")", Inter);
end if;
return;
end if;
@@ -1404,28 +1403,28 @@ package body Sem_Assocs is
is
-- Set POS and INTERFACE to *the* matching interface if any of ASSOC.
procedure Search_Interface (Assoc : Iir;
- Interface : out Iir;
+ Inter : out Iir;
Pos : out Integer)
is
I_Match : Boolean;
begin
- Interface := Interface_Chain;
+ Inter := Interface_Chain;
Pos := 0;
- while Interface /= Null_Iir loop
+ while Inter /= Null_Iir loop
-- Formal assoc is not necessarily a simple name, it may
-- be a conversion function, or even an indexed or
-- selected name.
- Sem_Association (Assoc, Interface, False, I_Match);
+ Sem_Association (Assoc, Inter, False, I_Match);
if I_Match then
return;
end if;
- Interface := Get_Chain (Interface);
+ Inter := Get_Chain (Inter);
Pos := Pos + 1;
end loop;
end Search_Interface;
Assoc: Iir;
- Interface: Iir;
+ Inter: Iir;
type Bool_Array is array (Natural range <>) of Param_Assoc_Type;
Nbr_Arg: constant Natural := Get_Chain_Length (Interface_Chain);
@@ -1444,7 +1443,7 @@ package body Sem_Assocs is
Has_Individual := False;
-- Loop on every assoc element, try to match it.
- Interface := Interface_Chain;
+ Inter := Interface_Chain;
Last_Individual := Null_Iir;
Pos := 0;
@@ -1462,7 +1461,7 @@ package body Sem_Assocs is
return;
end if;
-- Try to match actual of ASSOC with the interface.
- if Interface = Null_Iir then
+ if Inter = Null_Iir then
if Finish then
Error_Msg_Sem
("too many arguments for " & Disp_Node (Loc), Assoc);
@@ -1470,7 +1469,7 @@ package body Sem_Assocs is
Match := False;
return;
end if;
- Sem_Association (Assoc, Interface, Finish, Match);
+ Sem_Association (Assoc, Inter, Finish, Match);
if not Match then
return;
end if;
@@ -1480,7 +1479,7 @@ package body Sem_Assocs is
Arg_Matched (Pos) := Whole;
end if;
Set_Whole_Association_Flag (Assoc, True);
- Interface := Get_Chain (Interface);
+ Inter := Get_Chain (Inter);
Pos := Pos + 1;
else
-- FIXME: directly search the formal if finish is true.
@@ -1503,10 +1502,10 @@ package body Sem_Assocs is
Assoc_1 := Null_Iir;
end if;
end if;
- Search_Interface (Assoc, Interface, Pos);
- if Interface = Null_Iir then
+ Search_Interface (Assoc, Inter, Pos);
+ if Inter = Null_Iir then
if Assoc_1 /= Null_Iir then
- Interface := Interface_1;
+ Inter := Interface_1;
Pos := Pos_1;
Set_Formal (Assoc, Get_Formal (Assoc_1));
Set_Out_Conversion
@@ -1521,10 +1520,10 @@ package body Sem_Assocs is
end if;
end if;
when others =>
- Search_Interface (Assoc, Interface, Pos);
+ Search_Interface (Assoc, Inter, Pos);
end case;
- if Interface /= Null_Iir then
+ if Inter /= Null_Iir then
if Get_Whole_Association_Flag (Assoc) then
-- Whole association.
Last_Individual := Null_Iir;
@@ -1538,8 +1537,7 @@ package body Sem_Assocs is
else
if Finish then
Error_Msg_Sem
- (Disp_Node (Interface) & " already associated",
- Assoc);
+ (Disp_Node (Inter) & " already associated", Assoc);
Match := False;
return;
end if;
@@ -1550,29 +1548,27 @@ package body Sem_Assocs is
if Arg_Matched (Pos) /= Whole then
if Finish
and then Arg_Matched (Pos) = Individual
- and then Last_Individual /= Interface
+ and then Last_Individual /= Inter
then
Error_Msg_Sem
("non consecutive individual association for "
- & Disp_Node (Interface),
- Assoc);
+ & Disp_Node (Inter), Assoc);
Match := False;
return;
end if;
- Last_Individual := Interface;
+ Last_Individual := Inter;
Arg_Matched (Pos) := Individual;
else
if Finish then
Error_Msg_Sem
- (Disp_Node (Interface) & " already associated",
- Assoc);
+ (Disp_Node (Inter) & " already associated", Assoc);
Match := False;
return;
end if;
end if;
end if;
if Finish then
- Sem_Association (Assoc, Interface, True, Match);
+ Sem_Association (Assoc, Inter, True, Match);
if not Match then
raise Internal_Error;
end if;
@@ -1623,28 +1619,27 @@ package body Sem_Assocs is
-- It is an error if a port of any mode other than IN is unconnected
-- or unassociated and its type is an unconstrained array type.
- Interface := Interface_Chain;
+ Inter := Interface_Chain;
Pos := 0;
- while Interface /= Null_Iir loop
+ while Inter /= Null_Iir loop
if Arg_Matched (Pos) <= Open
- and then Get_Default_Value (Interface) = Null_Iir
+ and then Get_Default_Value (Inter) = Null_Iir
then
case Missing is
when Missing_Parameter
| Missing_Generic =>
if Finish then
- Error_Msg_Sem
- ("no actual for " & Disp_Node (Interface), Loc);
+ Error_Msg_Sem ("no actual for " & Disp_Node (Inter), Loc);
end if;
Match := False;
return;
when Missing_Port =>
- case Get_Mode (Interface) is
+ case Get_Mode (Inter) is
when Iir_In_Mode =>
if not Finish then
raise Internal_Error;
end if;
- Error_Msg_Sem (Disp_Node (Interface)
+ Error_Msg_Sem (Disp_Node (Inter)
& " of mode IN must be connected", Loc);
Match := False;
return;
@@ -1655,11 +1650,10 @@ package body Sem_Assocs is
if not Finish then
raise Internal_Error;
end if;
- if Is_Unconstrained_Type_Definition
- (Get_Type (Interface))
+ if Is_Unconstrained_Type_Definition (Get_Type (Inter))
then
Error_Msg_Sem
- ("unconstrained " & Disp_Node (Interface)
+ ("unconstrained " & Disp_Node (Inter)
& " must be connected", Loc);
Match := False;
return;
@@ -1671,7 +1665,7 @@ package body Sem_Assocs is
null;
end case;
end if;
- Interface := Get_Chain (Interface);
+ Inter := Get_Chain (Inter);
Pos := Pos + 1;
end loop;
return;