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| 1 | namespace IR.Values.Store is | |
| 2 | use TypeTyped = Semantic.Types.Typed | |
| 3 | use Semantic.Types.Type | |
| 4 | use SymbolBase = Semantic.Symbols.Symbol | |
| 5 | ||
| 6 | class SYMBOL: Value, TypeTyped is | |
| 7 | symbol: SymbolBase | |
| 8 | symbol_as_typed: TypeTyped => cast TypeTyped?(symbol)! | |
| 9 | ||
| 10 | // Absent while the symbol has no type of its own, matching the | |
| 11 | // load side and the `Value.type` contract both sides answer to. | |
| 12 | // A top-level `let` assigned above its own declaration is the | |
| 13 | // case that reaches here: the store is reported at its site and | |
| 14 | // the walk carries on, so this has to describe the store rather | |
| 15 | // than insist on a type the variable has not been given. | |
| 16 | type: Type? pure => symbol_as_typed.type | |
| 17 | from: Value? | |
| 18 | value: IR.Values.Value | |
| 19 | is_consumable: bool => false | |
| 20 | ||
| 21 | init(from: Value?, symbol: SymbolBase, value: IR.Values.Value) is | |
| 22 | super.init() | |
| 23 | ||
| 24 | self.from = from | |
| 25 | self.symbol = symbol | |
| 26 | self.value = value | |
| 27 | si | |
| 28 | ||
| 29 | gen(context: IR.CONTEXT) is | |
| 30 | gen(from, context) | |
| 31 | gen(value, context) | |
| 32 | ||
| 33 | throw System.NotImplementedException( | |
| 34 | "the binary back end has no emission for storing to '{symbol}' yet") | |
| 35 | si | |
| 36 | ||
| 37 | to_string() -> string => | |
| 38 | "store:[{type}]({from},\"{symbol.name}\",{value})" | |
| 39 | si | |
| 40 | si |