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| 1 | namespace IR.Values is | |
| 2 | use Semantic.Types.Type | |
| 3 | ||
| 4 | class CONSTRAINED: Value is | |
| 5 | value: Value | |
| 6 | _type: Type | |
| 7 | type: Type? pure => _type | |
| 8 | is_value_type: bool => false | |
| 9 | ||
| 10 | init( | |
| 11 | value: Value, | |
| 12 | type: Type | |
| 13 | ) is | |
| 14 | super.init() | |
| 15 | ||
| 16 | self._type = type | |
| 17 | self.value = ADDRESS(value, type) | |
| 18 | si | |
| 19 | ||
| 20 | init( | |
| 21 | value: Value | |
| 22 | ) is | |
| 23 | init(value, value.type!) | |
| 24 | si | |
| 25 | ||
| 26 | // Only load the receiver address. The `constrained.` prefix | |
| 27 | // must sit immediately before the `callvirt`, after the | |
| 28 | // arguments have been loaded, so the enclosing instance call | |
| 29 | // emits it via gen_prefix once the operand stack is set up. | |
| 30 | gen(context: IR.CONTEXT) is | |
| 31 | value.gen(context) | |
| 32 | si | |
| 33 | ||
| 34 | gen_prefix(context: IR.CONTEXT) is | |
| 35 | let body = context.current_srm_body_emitter! | |
| 36 | body.constrained(context.resolve_type_token(type!)) | |
| 37 | si | |
| 38 | ||
| 39 | to_string() -> string => | |
| 40 | "constrained:[{type}]({value})" | |
| 41 | si | |
| 42 | si |