toReflectType converts the DataType to reflect.Type.
(dtype DataType)
| 702 | |
| 703 | // toReflectType converts the DataType to reflect.Type. |
| 704 | func toReflectType(dtype DataType) reflect.Type { |
| 705 | switch dtype.Kind() { |
| 706 | case BooleanKind: |
| 707 | return reflect.TypeOf(true) |
| 708 | case IntKind: |
| 709 | return reflect.TypeOf(int(0)) |
| 710 | case Int32Kind: |
| 711 | return reflect.TypeOf(int32(0)) |
| 712 | case Int64Kind: |
| 713 | return reflect.TypeOf(int64(0)) |
| 714 | case UIntKind: |
| 715 | return reflect.TypeOf(uint(0)) |
| 716 | case UInt32Kind: |
| 717 | return reflect.TypeOf(uint32(0)) |
| 718 | case UInt64Kind: |
| 719 | return reflect.TypeOf(uint64(0)) |
| 720 | case Float32Kind: |
| 721 | return reflect.TypeOf(float32(0)) |
| 722 | case Float64Kind: |
| 723 | return reflect.TypeOf(float64(0)) |
| 724 | case StringKind: |
| 725 | return reflect.TypeOf("") |
| 726 | case BytesKind: |
| 727 | return reflect.TypeOf([]byte{}) |
| 728 | case ObjectKind: |
| 729 | return reflect.TypeOf(map[string]any{}) |
| 730 | case UserTypeKind: |
| 731 | return toReflectType(dtype.(*UserTypeExpr).Attribute().Type) |
| 732 | case ResultTypeKind: |
| 733 | return toReflectType(dtype.(*ResultTypeExpr).Attribute().Type) |
| 734 | case ArrayKind: |
| 735 | return reflect.SliceOf(toReflectType(dtype.(*Array).ElemType.Type)) |
| 736 | case MapKind: |
| 737 | m := dtype.(*Map) |
| 738 | // avoid complication: not allow object as the map key |
| 739 | var ktype reflect.Type |
| 740 | if m.KeyType.Type.Kind() != ObjectKind { |
| 741 | ktype = toReflectType(m.KeyType.Type) |
| 742 | } else { |
| 743 | ktype = reflect.TypeOf([]any{}).Elem() |
| 744 | } |
| 745 | return reflect.MapOf(ktype, toReflectType(m.ElemType.Type)) |
| 746 | default: |
| 747 | return reflect.TypeOf([]any{}).Elem() |
| 748 | } |
| 749 | } |