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| 1 | namespace Syntax.Trees.Definitions is | |
| 2 | ||
| 3 | use Source | |
| 4 | ||
| 5 | use System.Exception | |
| 6 | ||
| 7 | class Classy: MODIFIABLE, ScopeCarrier abstract is | |
| 8 | scope: Semantic.Scope? public | |
| 9 | ||
| 10 | name: Identifiers.Identifier | |
| 11 | arguments: TypeExpressions.LIST? | |
| 12 | ancestors: TypeExpressions.LIST? | |
| 13 | body: LIST | |
| 14 | ||
| 15 | // Primary-constructor parameters parsed from the optional (...) | |
| 16 | // block after the class/struct name. Null when no primary form | |
| 17 | // was written. Consumed by the lower-primary-constructors | |
| 18 | // visitor in the rewrite-syntax-trees pass and cleared back to | |
| 19 | // null before downstream phases see the node. | |
| 20 | primary_params: Trees.Variables.LIST? | |
| 21 | ||
| 22 | // Set from an `@equality` pragma written against this | |
| 23 | // definition. Class equality is synthesized only where it was | |
| 24 | // asked for, on the class the pragma is on and no other. | |
| 25 | wants_equality: bool public | |
| 26 | ||
| 27 | description_for_walk: string => "class" | |
| 28 | ||
| 29 | init( | |
| 30 | location: LOCATION, | |
| 31 | name: Identifiers.Identifier, | |
| 32 | arguments: TypeExpressions.LIST?, | |
| 33 | ancestors: TypeExpressions.LIST?, | |
| 34 | modifiers: Modifiers.LIST, | |
| 35 | body: Definitions.LIST | |
| 36 | ) | |
| 37 | is | |
| 38 | super.init(location, modifiers) | |
| 39 | ||
| 40 | self.name = name | |
| 41 | self.arguments = arguments | |
| 42 | self.ancestors = ancestors | |
| 43 | self.body = body | |
| 44 | si | |
| 45 | ||
| 46 | set_primary_params(primary_params: Trees.Variables.LIST?) is | |
| 47 | self.primary_params = primary_params | |
| 48 | si | |
| 49 | ||
| 50 | walk(visitor: Visitor) is | |
| 51 | let symbol_table = IoC.CONTAINER.instance.symbol_table | |
| 52 | let logger = IoC.CONTAINER.instance.logger | |
| 53 | let symbol_use_locations = IoC.CONTAINER.instance.symbol_use_locations | |
| 54 | ||
| 55 | let symbol_table_mark = symbol_table.mark_scope_stack() | |
| 56 | let diagnostics_mark = logger.mark() | |
| 57 | let symbol_uses_mark = symbol_use_locations.mark() | |
| 58 | ||
| 59 | try | |
| 60 | _walk(visitor) | |
| 61 | catch e: Exception | |
| 62 | IoC.CONTAINER.instance.logger.exception(location, e, "exception walking {description_for_walk} syntax tree") | |
| 63 | finally | |
| 64 | logger.release(diagnostics_mark) | |
| 65 | symbol_use_locations.release(symbol_uses_mark) | |
| 66 | symbol_table.release_scope_stack(symbol_table_mark) | |
| 67 | yrt | |
| 68 | si | |
| 69 | ||
| 70 | _walk(visitor: Visitor) is si | |
| 71 | si | |
| 72 | si |