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-rw-r--r--src/vhdl/translate/trans-chap8.adb1
-rw-r--r--src/vhdl/vhdl-parse.adb3
-rw-r--r--src/vhdl/vhdl-prints.adb2
-rw-r--r--src/vhdl/vhdl-sem_expr.adb32
-rw-r--r--src/vhdl/vhdl-sem_names.adb111
-rw-r--r--src/vhdl/vhdl-utils.adb16
-rw-r--r--src/vhdl/vhdl-utils.ads3
7 files changed, 105 insertions, 63 deletions
diff --git a/src/vhdl/translate/trans-chap8.adb b/src/vhdl/translate/trans-chap8.adb
index 8fbd8d105..521e639e7 100644
--- a/src/vhdl/translate/trans-chap8.adb
+++ b/src/vhdl/translate/trans-chap8.adb
@@ -1758,6 +1758,7 @@ package body Trans.Chap8 is
H, L : Iir;
begin
Expr := Get_Choice_Range (Choice);
+ Expr := Get_Range_From_Discrete_Range (Expr);
Get_Low_High_Limit (Expr, L, H);
New_Range_Choice
(Blk,
diff --git a/src/vhdl/vhdl-parse.adb b/src/vhdl/vhdl-parse.adb
index 491d14b85..7e15589df 100644
--- a/src/vhdl/vhdl-parse.adb
+++ b/src/vhdl/vhdl-parse.adb
@@ -5152,6 +5152,9 @@ package body Vhdl.Parse is
elsif Current_Token = Tok_To or else Current_Token = Tok_Downto then
A_Choice := Create_Iir (Iir_Kind_Choice_By_Range);
Set_Choice_Range (A_Choice, Parse_Range_Expression (Expr1));
+ elsif Current_Token = Tok_Range then
+ A_Choice := Create_Iir (Iir_Kind_Choice_By_Range);
+ Set_Choice_Range (A_Choice, Parse_Subtype_Indication (Expr1));
else
A_Choice := Create_Iir (Iir_Kind_Choice_By_Expression);
Set_Choice_Expression (A_Choice, Expr1);
diff --git a/src/vhdl/vhdl-prints.adb b/src/vhdl/vhdl-prints.adb
index f706ccb86..83e08ee1c 100644
--- a/src/vhdl/vhdl-prints.adb
+++ b/src/vhdl/vhdl-prints.adb
@@ -3599,6 +3599,8 @@ package body Vhdl.Prints is
when Iir_Kind_Range_Expression =>
Disp_Range (Ctxt, Expr);
+ when Iir_Kind_Subtype_Definition =>
+ Disp_Subtype_Indication (Ctxt, Expr);
when Iir_Kind_Selected_By_All_Name
| Iir_Kind_Dereference =>
diff --git a/src/vhdl/vhdl-sem_expr.adb b/src/vhdl/vhdl-sem_expr.adb
index 90db825b5..418d3534f 100644
--- a/src/vhdl/vhdl-sem_expr.adb
+++ b/src/vhdl/vhdl-sem_expr.adb
@@ -2150,7 +2150,6 @@ package body Vhdl.Sem_Expr is
Choice_Chain : Iir)
is
Choice : Iir;
- S : Iir_Staticness;
begin
Info := (Nbr_Choices => 0,
Nbr_Alternatives => 0,
@@ -2160,16 +2159,9 @@ package body Vhdl.Sem_Expr is
Choice := Choice_Chain;
while Is_Valid (Choice) loop
case Iir_Kinds_Case_Choice (Get_Kind (Choice)) is
- when Iir_Kind_Choice_By_Expression =>
- S := Get_Expr_Staticness (Get_Choice_Expression (Choice));
- pragma Assert (S = Get_Choice_Staticness (Choice));
- if S = Locally then
- Info.Nbr_Choices := Info.Nbr_Choices + 1;
- end if;
- when Iir_Kind_Choice_By_Range =>
- S := Get_Expr_Staticness (Get_Choice_Range (Choice));
- pragma Assert (S = Get_Choice_Staticness (Choice));
- if S = Locally then
+ when Iir_Kind_Choice_By_Expression
+ | Iir_Kind_Choice_By_Range =>
+ if Get_Choice_Staticness (Choice) = Locally then
Info.Nbr_Choices := Info.Nbr_Choices + 1;
end if;
when Iir_Kind_Choice_By_Others =>
@@ -2200,6 +2192,7 @@ package body Vhdl.Sem_Expr is
Expr := Get_Choice_Expression (Choice);
when Iir_Kind_Choice_By_Range =>
Expr := Get_Choice_Range (Choice);
+ Expr := Get_Range_From_Discrete_Range (Expr);
when Iir_Kind_Choice_By_Others =>
Expr := Null_Iir;
end case;
@@ -2452,6 +2445,7 @@ package body Vhdl.Sem_Expr is
return Get_Choice_Expression (Assoc);
when Iir_Kind_Choice_By_Range =>
Expr := Get_Choice_Range (Assoc);
+ Expr := Get_Range_From_Discrete_Range (Expr);
case Get_Kind (Expr) is
when Iir_Kind_Range_Expression =>
return Get_Low_Limit (Expr);
@@ -2472,6 +2466,7 @@ package body Vhdl.Sem_Expr is
return Get_Choice_Expression (Assoc);
when Iir_Kind_Choice_By_Range =>
Expr := Get_Choice_Range (Assoc);
+ Expr := Get_Range_From_Discrete_Range (Expr);
case Get_Kind (Expr) is
when Iir_Kind_Range_Expression =>
return Get_High_Limit (Expr);
@@ -2550,6 +2545,7 @@ package body Vhdl.Sem_Expr is
end if;
when Iir_Kind_Choice_By_Range =>
Expr := Get_Choice_Range (Choice);
+ Expr := Get_Range_From_Discrete_Range (Expr);
if Get_Expr_Staticness (Expr) = Locally then
Ok := Eval_Is_Range_In_Bound (Expr, Choice_Type, True);
end if;
@@ -2778,7 +2774,17 @@ package body Vhdl.Sem_Expr is
if Expr = Null_Iir then
return False;
end if;
- Expr := Eval_Range_If_Static (Expr);
+ case Get_Kind (Expr) is
+ when Iir_Kind_Range_Expression
+ | Iir_Kinds_Range_Attribute
+ | Iir_Kinds_Denoting_Name =>
+ Expr := Eval_Range_If_Static (Expr);
+ Set_Choice_Staticness (El, Get_Expr_Staticness (Expr));
+ when Iir_Kinds_Scalar_Subtype_Definition =>
+ Set_Choice_Staticness (El, Get_Type_Staticness (Expr));
+ when others =>
+ Error_Kind ("sem_sime_choice(1)", Expr);
+ end case;
Set_Choice_Range (El, Expr);
else
Expr := Get_Choice_Expression (El);
@@ -2820,8 +2826,8 @@ package body Vhdl.Sem_Expr is
end if;
Expr := Eval_Expr_If_Static (Expr);
Set_Choice_Expression (El, Expr);
+ Set_Choice_Staticness (El, Get_Expr_Staticness (Expr));
end if;
- Set_Choice_Staticness (El, Get_Expr_Staticness (Expr));
return True;
end Sem_Simple_Choice;
begin
diff --git a/src/vhdl/vhdl-sem_names.adb b/src/vhdl/vhdl-sem_names.adb
index 6cbea6f83..034a9f5f3 100644
--- a/src/vhdl/vhdl-sem_names.adb
+++ b/src/vhdl/vhdl-sem_names.adb
@@ -753,10 +753,8 @@ package body Vhdl.Sem_Names is
case Get_Kind (Suffix) is
when Iir_Kind_Simple_Name
| Iir_Kind_Selected_Name =>
- -- FIXME: what about the name ?
- Suffix := Get_Type (Suffix);
- Staticness := Get_Type_Staticness (Suffix);
- Suffix_Rng := Get_Range_Constraint (Suffix);
+ Staticness := Get_Type_Staticness (Get_Type (Suffix));
+ Suffix_Rng := Get_Range_Constraint (Get_Type (Suffix));
when Iir_Kinds_Scalar_Subtype_Definition =>
Staticness := Get_Type_Staticness (Suffix);
Suffix_Rng := Get_Range_Constraint (Suffix);
@@ -799,37 +797,47 @@ package body Vhdl.Sem_Names is
Set_Name_Staticness
(Name, Min (Staticness, Get_Name_Staticness (Prefix)));
+ Expr_Type := Create_Iir (Iir_Kind_Array_Subtype_Definition);
+ Set_Location (Expr_Type, Get_Location (Suffix));
+
-- The type of the slice is a subtype of the base type whose
-- range contraint is the slice itself.
- if Get_Kind (Suffix) in Iir_Kinds_Discrete_Type_Definition then
- Slice_Type := Suffix;
- else
- case Get_Kind (Get_Base_Type (Index_Type)) is
- when Iir_Kind_Integer_Type_Definition =>
- Slice_Type := Create_Iir (Iir_Kind_Integer_Subtype_Definition);
- when Iir_Kind_Enumeration_Type_Definition =>
- Slice_Type :=
- Create_Iir (Iir_Kind_Enumeration_Subtype_Definition);
- when others =>
- Error_Kind ("sem_expr: slice_name", Get_Base_Type (Index_Type));
- end case;
- Set_Range_Constraint (Slice_Type, Suffix);
- Set_Is_Ref (Slice_Type, True);
- Set_Type_Staticness (Slice_Type, Staticness);
- Set_Base_Type (Slice_Type, Get_Base_Type (Index_Type));
- Set_Location (Slice_Type, Get_Location (Suffix));
- end if;
+ case Get_Kind (Suffix) is
+ when Iir_Kinds_Denoting_Name =>
+ Slice_Type := Get_Type (Suffix);
+ when Iir_Kinds_Scalar_Subtype_Definition =>
+ Slice_Type := Suffix;
+ when others =>
+ case Get_Kind (Get_Base_Type (Index_Type)) is
+ when Iir_Kind_Integer_Type_Definition =>
+ Slice_Type :=
+ Create_Iir (Iir_Kind_Integer_Subtype_Definition);
+ when Iir_Kind_Enumeration_Type_Definition =>
+ Slice_Type :=
+ Create_Iir (Iir_Kind_Enumeration_Subtype_Definition);
+ when others =>
+ Error_Kind
+ ("sem_expr: slice_name", Get_Base_Type (Index_Type));
+ end case;
+ Set_Range_Constraint (Slice_Type, Suffix_Rng);
+ Set_Is_Ref (Slice_Type, True);
+ Set_Type_Staticness (Slice_Type, Staticness);
+ Set_Base_Type (Slice_Type, Get_Base_Type (Index_Type));
+ Set_Location (Slice_Type, Get_Location (Suffix));
+
+ -- Attach the new index subtype to the array subtype.
+ Index_List := Create_Iir_Flist (1);
+ Set_Index_Constraint_List (Expr_Type, Index_List);
+ Set_Nth_Element (Index_List, 0, Slice_Type);
+ end case;
- Expr_Type := Create_Iir (Iir_Kind_Array_Subtype_Definition);
- Set_Location (Expr_Type, Get_Location (Suffix));
- Set_Index_Subtype_List (Expr_Type, Create_Iir_Flist (1));
- Set_Index_Constraint_List (Expr_Type,
- Get_Index_Subtype_List (Expr_Type));
+ Index_List := Create_Iir_Flist (1);
+ Set_Index_Subtype_List (Expr_Type, Index_List);
+ Set_Nth_Element (Index_List, 0, Slice_Type);
Prefix_Base_Type := Get_Base_Type (Prefix_Type);
Set_Base_Type (Expr_Type, Prefix_Base_Type);
Set_Signal_Type_Flag (Expr_Type,
Get_Signal_Type_Flag (Prefix_Base_Type));
- Set_Nth_Element (Get_Index_Subtype_List (Expr_Type), 0, Slice_Type);
Set_Element_Subtype (Expr_Type, Get_Element_Subtype (Prefix_Type));
if Get_Kind (Prefix_Type) = Iir_Kind_Array_Subtype_Definition then
Set_Resolution_Indication
@@ -2383,6 +2391,9 @@ package body Vhdl.Sem_Names is
Kind := Slice_Or_Index (Get_Named_Entity (Actual));
-- FIXME: analyze to be finished.
--Maybe_Finish_Sem_Name (Actual);
+ when Iir_Kind_Subtype_Definition
+ | Iir_Kind_Range_Expression =>
+ Kind := Iir_Kind_Slice_Name;
when others =>
Kind := Slice_Or_Index (Actual);
end case;
@@ -2406,10 +2417,11 @@ package body Vhdl.Sem_Names is
if Actual = Null_Iir then
return Null_Iir;
end if;
+ Set_Suffix (Res, Actual);
+ Actual := Get_Range_From_Discrete_Range (Actual);
if Get_Expr_Staticness (Actual) < Globally then
Error_Msg_Sem (+Name, "index must be a static expression");
end if;
- Set_Suffix (Res, Actual);
when others =>
raise Internal_Error;
end case;
@@ -2647,27 +2659,26 @@ package body Vhdl.Sem_Names is
Actual_Expr := Null_Iir;
if Actual /= Null_Iir then
-- Only one actual: can be a slice or an index
- if Get_Kind (Actual) in Iir_Kinds_Name
- or else Get_Kind (Actual) = Iir_Kind_Attribute_Name
- then
- -- Maybe a discrete range name.
- Sem_Name (Actual);
- Actual_Expr := Get_Named_Entity (Actual);
- if Actual_Expr = Error_Mark then
- Set_Named_Entity (Name, Actual_Expr);
- return;
- end if;
- -- Decides between sliced or indexed name to actual.
- Slice_Index_Kind := Slice_Or_Index (Actual_Expr);
- elsif Get_Kind (Actual) = Iir_Kind_Range_Expression
- or else Get_Kind (Actual) = Iir_Kind_Subtype_Definition
- then
- -- This can only be a slice.
- Slice_Index_Kind := Iir_Kind_Slice_Name;
- else
- -- Any other expression: an indexed name.
- Slice_Index_Kind := Iir_Kind_Indexed_Name;
- end if;
+ case Get_Kind (Actual) is
+ when Iir_Kinds_Name
+ | Iir_Kind_Attribute_Name =>
+ -- Maybe a discrete range name.
+ Sem_Name (Actual);
+ Actual_Expr := Get_Named_Entity (Actual);
+ if Actual_Expr = Error_Mark then
+ Set_Named_Entity (Name, Actual_Expr);
+ return;
+ end if;
+ -- Decides between sliced or indexed name to actual.
+ Slice_Index_Kind := Slice_Or_Index (Actual_Expr);
+ when Iir_Kind_Range_Expression
+ | Iir_Kind_Subtype_Definition =>
+ -- This can only be a slice.
+ Slice_Index_Kind := Iir_Kind_Slice_Name;
+ when others =>
+ -- Any other expression: an indexed name.
+ Slice_Index_Kind := Iir_Kind_Indexed_Name;
+ end case;
else
-- More than one actual: an indexed name.
diff --git a/src/vhdl/vhdl-utils.adb b/src/vhdl/vhdl-utils.adb
index 1c0a39b4a..6653034a5 100644
--- a/src/vhdl/vhdl-utils.adb
+++ b/src/vhdl/vhdl-utils.adb
@@ -1436,6 +1436,22 @@ package body Vhdl.Utils is
return Id = Name_Range or Id = Name_Reverse_Range;
end Is_Range_Attribute_Name;
+ function Get_Range_From_Discrete_Range (Rng : Iir) return Iir is
+ begin
+ case Get_Kind (Rng) is
+ when Iir_Kinds_Denoting_Name =>
+ return Get_Range_From_Discrete_Range (Get_Named_Entity (Rng));
+ when Iir_Kinds_Scalar_Subtype_Definition =>
+ return Get_Range_Constraint (Rng);
+ when Iir_Kind_Range_Expression =>
+ return Rng;
+ when Iir_Kinds_Range_Attribute =>
+ return Rng;
+ when others =>
+ Error_Kind ("get_range_from_discrete_range", Rng);
+ end case;
+ end Get_Range_From_Discrete_Range;
+
function Create_Array_Subtype (Arr_Type : Iir; Loc : Location_Type)
return Iir_Array_Subtype_Definition
is
diff --git a/src/vhdl/vhdl-utils.ads b/src/vhdl/vhdl-utils.ads
index e80135f04..af4bc65d1 100644
--- a/src/vhdl/vhdl-utils.ads
+++ b/src/vhdl/vhdl-utils.ads
@@ -310,6 +310,9 @@ package Vhdl.Utils is
-- Return TRUE iff unanalyzed EXPR is a range attribute.
function Is_Range_Attribute_Name (Expr : Iir) return Boolean;
+ -- Return range_expression or a range attribute from discrete range RNG.
+ function Get_Range_From_Discrete_Range (Rng : Iir) return Iir;
+
-- Create an array subtype from array_type or array_subtype ARR_TYPE.
-- All fields of the returned node are filled, except the index_list.
-- The type_staticness is set with the type staticness of the element