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refactor(compiler): resolve logical assignments through fixups

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爱特每羊队
2026-08-05 00:42:02 +08:00
parent 01bcde2656
commit f4897c30bc
1 changed files with 6 additions and 0 deletions
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crates/oxide_compiler/src/expr/assignment.rs
+6
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@@ -138,12 +138,14 @@ impl Compiler {
ctx.emit(0);
ctx.emit(0);
self.emit_logical_assign_test(logical_op, result_reg, store_label, end_label, ctx)?;
ctx.labels.label_map.insert(store_label, ctx.bytecode.len());
let val_reg = self.emit_expression(&assign.right, ctx)?;
ctx.emit(opcode::encode(OpCode::IC_SET_PROP, obj_reg, val_reg, key_reg));
ctx.emit(0);
ctx.emit(0);
ctx.emit(0);
ctx.emit(opcode::encode(OpCode::LOAD_VAR, result_reg, val_reg, 0));
ctx.labels.label_map.insert(end_label, ctx.bytecode.len());
return Ok(result_reg);
}
let obj_reg = self.emit_expression(&member.object, ctx)?;
@@ -184,9 +186,11 @@ impl Compiler {
let result_reg = ctx.alloc_reg();
ctx.emit(opcode::encode(OpCode::GET_PROP_DYNAMIC, obj_reg, key_reg, result_reg));
self.emit_logical_assign_test(logical_op, result_reg, store_label, end_label, ctx)?;
ctx.labels.label_map.insert(store_label, ctx.bytecode.len());
let val_reg = self.emit_expression(&assign.right, ctx)?;
ctx.emit(opcode::encode(OpCode::SET_PROP_DYNAMIC, obj_reg, key_reg, val_reg));
ctx.emit(opcode::encode(OpCode::LOAD_VAR, result_reg, val_reg, 0));
ctx.labels.label_map.insert(end_label, ctx.bytecode.len());
return Ok(result_reg);
}
let obj_reg = self.emit_expression(&member.object, ctx)?;
@@ -214,11 +218,13 @@ impl Compiler {
let result_reg = ctx.alloc_reg();
ctx.emit(opcode::encode(OpCode::LOAD_VAR, result_reg, var_reg, 0));
self.emit_logical_assign_test(logical_op, result_reg, store_label, end_label, ctx)?;
ctx.labels.label_map.insert(store_label, ctx.bytecode.len());
let val_reg = self.emit_expression(&assign.right, ctx)?;
let is_const = ctx.lookup_const_flag(name);
let const_flag = if is_const { 1 } else { 0 };
ctx.emit(opcode::encode(OpCode::STORE_VAR, var_reg, val_reg, const_flag));
ctx.emit(opcode::encode(OpCode::LOAD_VAR, result_reg, val_reg, 0));
ctx.labels.label_map.insert(end_label, ctx.bytecode.len());
Ok(result_reg)
} else if assign.operator == AssignmentOperator::Addition
|| assign.operator == AssignmentOperator::Subtraction