diff options
Diffstat (limited to 'sem_assocs.adb')
-rw-r--r-- | sem_assocs.adb | 138 |
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; |