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| author | Tristan Gingold <tgingold@free.fr> | 2020-07-25 15:45:41 +0200 |
|---|---|---|
| committer | Tristan Gingold <tgingold@free.fr> | 2020-07-25 15:45:41 +0200 |
| commit | 3972f6c78055902116e6c9227da45e1bfe5e2c27 (patch) | |
| tree | e8914f8a795b05dc44fd71b9493d9c2fc7bcaab2 /src/ortho/oread | |
| parent | 5f3c9498dc9ad737b398109edf53b4c4a7344696 (diff) | |
| download | ghdl-3972f6c78055902116e6c9227da45e1bfe5e2c27.tar.gz ghdl-3972f6c78055902116e6c9227da45e1bfe5e2c27.tar.bz2 ghdl-3972f6c78055902116e6c9227da45e1bfe5e2c27.zip | |
ortho/oread: parse subarray element type.
Diffstat (limited to 'src/ortho/oread')
| -rw-r--r-- | src/ortho/oread/ortho_front.adb | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/src/ortho/oread/ortho_front.adb b/src/ortho/oread/ortho_front.adb index 84dace138..4a1e0ee9d 100644 --- a/src/ortho/oread/ortho_front.adb +++ b/src/ortho/oread/ortho_front.adb @@ -352,7 +352,7 @@ package body Ortho_Front is Array_Element : Node_Acc; when Type_Subarray => Subarray_Base : Node_Acc; - --Subarray_Length : Natural; + Subarray_El : Node_Acc; when Type_Access => Access_Dtype : Node_Acc; when Type_Record @@ -1320,9 +1320,11 @@ package body Ortho_Front is return Res; when Tok_Subarray => -- Grammar: - -- SUBARRAY type [ len ] + -- SUBARRAY type '[' len ']' [ OF eltype ] declare Base_Node : Node_Acc; + Len : O_Cnode; + El_Node : Node_Acc; Res_Type : O_Tnode; begin Next_Token; @@ -1332,15 +1334,23 @@ package body Ortho_Front is end if; Expect (Tok_Left_Brack); Next_Token; - Res_Type := New_Array_Subtype - (Base_Node.Type_Onode, - Base_Node.Array_Element.Type_Onode, - Parse_Constant_Value (Base_Node.Array_Index)); + Len := Parse_Constant_Value (Base_Node.Array_Index); Expect (Tok_Right_Brack); Next_Token; + if Tok = Tok_Of then + Next_Token; + El_Node := Parse_Type; + -- TODO: check this is a subtype of the element + else + El_Node := Base_Node.Array_Element; + -- TODO: check EL_NODE is constrained. + end if; + Res_Type := New_Array_Subtype + (Base_Node.Type_Onode, El_Node.Type_Onode, Len); Res := new Node' (Kind => Type_Subarray, Type_Onode => Res_Type, - Subarray_Base => Base_Node); + Subarray_Base => Base_Node, + Subarray_El => El_Node); return Res; end; when Tok_Ident => |