| 1 | # Tea |
| 2 | |
| 3 | | TeaFunc(Token name, |
| 4 | ParamGroup? positional, ParamGroup? named, |
| 5 | List[TypeExpr] return_types, command body) |
| 6 | | Data(Token name, List[Param] params) |
| 7 | | Enum(Token name, List[Variant] variants) |
| 8 | | Class(Token name, Token? extends, List[class_item] items) |
| 9 | | Import(SingleQuoted path, Token? alias, List[ImportName] names) |
| 10 | | For(List[NameType] targets, expr iterable, command body) |
| 11 | | While(expr test, command body) |
| 12 | | Break | Continue |
| 13 | | Return(expr? value) |
| 14 | |
| 15 | # Binary(x expr, y expr) or Nullary %Token |
| 16 | # In the first case we have a tag, and an anonymous type. |
| 17 | variant_type = |
| 18 | Anon(List[Param] params) |
| 19 | | Ref(Token type_name) |
| 20 | |
| 21 | # tags and types are separate in our model of algebraic data types |
| 22 | Variant = (Token tag_name, variant_type? typ) |
| 23 | |
| 24 | class_item = |
| 25 | Data(Token keyword, List[NameType] fields) |
| 26 | | Method() |
| 27 | |
| 28 | ImportName = (Token name, Token? alias) |