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