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| 1 | namespace Syntax.Parsers.Identifiers is | |
| 2 | use IO.Std | |
| 3 | ||
| 4 | ||
| 5 | use Source | |
| 6 | ||
| 7 | class QUALIFIED(): Base[Trees.Identifiers.Identifier] is | |
| 8 | description: string => "qualified identifier" | |
| 9 | ||
| 10 | super() | |
| 11 | ||
| 12 | parse(context: CONTEXT) -> Trees.Identifiers.Identifier? is | |
| 13 | let start = context.location | |
| 14 | ||
| 15 | if context.expect_token(Lexical.TOKEN.IDENTIFIER, syntax_error_message) then | |
| 16 | let name = context.current.value_string | |
| 17 | let result mut = Trees.Identifiers.Identifier(context.location, name) | |
| 18 | ||
| 19 | context.next_token() | |
| 20 | ||
| 21 | while context.current.token == Lexical.TOKEN.DOT do | |
| 22 | let completion_target_start = context.location | |
| 23 | ||
| 24 | context.next_token() | |
| 25 | if context.expect_token(Lexical.TOKEN.IDENTIFIER, syntax_error_message) then | |
| 26 | result = | |
| 27 | Trees.Identifiers.QUALIFIED( | |
| 28 | start::context.location, | |
| 29 | result, | |
| 30 | context.current.value_string, | |
| 31 | completion_target_start::context.location, | |
| 32 | context.location | |
| 33 | ) | |
| 34 | ||
| 35 | context.next_token() | |
| 36 | else | |
| 37 | result = | |
| 38 | Trees.Identifiers.QUALIFIED( | |
| 39 | start::context.location, | |
| 40 | result, | |
| 41 | "", | |
| 42 | completion_target_start::context.location, | |
| 43 | context.location | |
| 44 | ) | |
| 45 | ||
| 46 | result.poison() | |
| 47 | ||
| 48 | return result | |
| 49 | fi | |
| 50 | od | |
| 51 | ||
| 52 | return result | |
| 53 | fi | |
| 54 | return null | |
| 55 | si | |
| 56 | si | |
| 57 | si |