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| 1 | namespace IR.Values.Load is | |
| 2 | use TypeTyped = Semantic.Types.Typed; | |
| 3 | use SymbolBase = Semantic.Symbols.Symbol; | |
| 4 | ||
| 5 | class LOCAL_ARGUMENT: SYMBOL, TypeTyped is | |
| 6 | is_consumable: bool => true; | |
| 7 | is_lightweight_pure: bool => true; | |
| 8 | ||
| 9 | init(symbol: SymbolBase) is | |
| 10 | super.init(null, symbol); | |
| 11 | si | |
| 12 | ||
| 13 | gen(context: IR.CONTEXT) is | |
| 14 | // Generator-function arguments: the CLR parameter | |
| 15 | // doesn't exist inside MoveNext, so the load is | |
| 16 | // redirected to the field on the state-machine frame | |
| 17 | // populated by the .ctor. Plain functions take the | |
| 18 | // ldarg path. | |
| 19 | let field_reference = IR.Values.state_machine_field_reference(symbol); | |
| 20 | ||
| 21 | if field_reference? then | |
| 22 | context.write_line("ldarg.0"); | |
| 23 | context.write_line("ldfld {field_reference}"); | |
| 24 | return; | |
| 25 | fi | |
| 26 | ||
| 27 | context.write_line("ldarg {symbol.il_name}"); | |
| 28 | si | |
| 29 | ||
| 30 | gen_address(context: IR.CONTEXT) is | |
| 31 | let field_reference = IR.Values.state_machine_field_reference(symbol); | |
| 32 | ||
| 33 | if field_reference? then | |
| 34 | context.write_line("ldarg.0"); | |
| 35 | context.write_line("ldflda {field_reference}"); | |
| 36 | return; | |
| 37 | fi | |
| 38 | ||
| 39 | context.write_line("ldarga {symbol.il_name}"); | |
| 40 | si | |
| 41 | ||
| 42 | to_string() -> string => | |
| 43 | "load:[{type}]({from},\"{symbol.name}\")"; | |
| 44 | si | |
| 45 | si |