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| 1 | namespace Syntax.Parsers.Modifiers is | |
| 2 | class MODIFIER(): Base[Trees.Modifiers.Modifier] is | |
| 3 | super() | |
| 4 | ||
| 5 | init(..) is | |
| 6 | add_parsers() | |
| 7 | si | |
| 8 | ||
| 9 | add_parsers() is | |
| 10 | add_parser( | |
| 11 | context => Trees.Modifiers.PUBLIC(context.location_and_next()), | |
| 12 | Lexical.TOKEN.PUBLIC | |
| 13 | ) | |
| 14 | ||
| 15 | add_parser( | |
| 16 | context => Trees.Modifiers.PRIVATE(context.location_and_next()), | |
| 17 | Lexical.TOKEN.PRIVATE | |
| 18 | ) | |
| 19 | ||
| 20 | add_parser( | |
| 21 | context => Trees.Modifiers.PROTECTED(context.location_and_next()), | |
| 22 | Lexical.TOKEN.PROTECTED | |
| 23 | ) | |
| 24 | ||
| 25 | add_parser( | |
| 26 | context => Trees.Modifiers.STATIC(context.location_and_next()), | |
| 27 | Lexical.TOKEN.STATIC | |
| 28 | ) | |
| 29 | ||
| 30 | add_parser( | |
| 31 | context => Trees.Modifiers.FIELD(context.location_and_next()), | |
| 32 | Lexical.TOKEN.FIELD | |
| 33 | ) | |
| 34 | ||
| 35 | add_parser( | |
| 36 | context => Trees.Modifiers.ABSTRACT(context.location_and_next()), | |
| 37 | Lexical.TOKEN.ABSTRACT | |
| 38 | ) | |
| 39 | si | |
| 40 | ||
| 41 | // `init` and `open` remain contextual: promoting `init` would | |
| 42 | // break every `init(...)` method declaration, and `open` is a | |
| 43 | // common identifier in stream/file APIs. In modifier position | |
| 44 | // the IDENTIFIER token with the right text produces the | |
| 45 | // corresponding Modifier subtype; everything else falls | |
| 46 | // through, ending the modifier list. Semantic validity (which | |
| 47 | // modifiers can appear where) is enforced during later passes. | |
| 48 | other_token(context: CONTEXT) -> Trees.Modifiers.Modifier? is | |
| 49 | if context.current.token == Lexical.TOKEN.IDENTIFIER then | |
| 50 | if context.current.value_string =~ "init" then | |
| 51 | return Trees.Modifiers.INIT(context.location_and_next()) | |
| 52 | elif context.current.value_string =~ "open" then | |
| 53 | return Trees.Modifiers.OPEN(context.location_and_next()) | |
| 54 | elif context.current.value_string =~ "pure" then | |
| 55 | return Trees.Modifiers.PURE(context.location_and_next()) | |
| 56 | elif context.current.value_string =~ "stable" then | |
| 57 | return Trees.Modifiers.STABLE(context.location_and_next()) | |
| 58 | fi | |
| 59 | fi | |
| 60 | return null | |
| 61 | si | |
| 62 | si | |
| 63 | si |