fix(emit): 括号包裹的匿名函数参与 name 推断（is_anonymous_function_definition）

crates/oxide_emit/src/expr/assignment.rs

@@ -194,12 +194,7 @@ impl Emitter {
                 let val_reg = self.emit_expression(&assign.right, ctx)?;
                 let name = id_ref.name.as_str();
                 // 赋值函数/箭头/class 表达式 → 推断 name。
-                if matches!(
-                    &assign.right,
-                    oxide_parser::Expression::ArrowFunctionExpression(_)
-                        | oxide_parser::Expression::FunctionExpression(_)
-                        | oxide_parser::Expression::ClassExpression(_)
-                ) {
+                if crate::is_anonymous_function_definition(&assign.right) {
                     if let Some(sub_mod) = ctx.nested.last_mut() {
                         if sub_mod.function_name.is_none() {
                             sub_mod.function_name = Some(name.to_string());

crates/oxide_emit/src/expr/object/object_literal.rs

@@ -5,7 +5,7 @@ use oxide_bytecode::module::Constant;
 use oxide_bytecode::opcode::OpCode;
 use oxide_ir::inst::Inst;
 use oxide_ir::operand::Operand;
-use oxide_parser::{Expression, ObjectPropertyKind, PropertyKind};
+use oxide_parser::{ObjectPropertyKind, PropertyKind};
 
 impl Emitter {
     pub(crate) fn emit_object_expression(
@@ -56,12 +56,7 @@ impl Emitter {
                         reg
                     };
                     let val_reg = self.emit_expression(&p.value, ctx)?;
-                    if matches!(
-                        &p.value,
-                        Expression::ArrowFunctionExpression(_)
-                            | Expression::FunctionExpression(_)
-                            | Expression::ClassExpression(_)
-                    ) {
+                    if crate::is_anonymous_function_definition(&p.value) {
                         if let Some(sub_mod) = ctx.nested.last_mut() {
                             sub_mod.function_name = Some(prop_name.to_string());
                         }
@@ -84,3 +79,4 @@ impl Emitter {
         Ok(obj_reg)
     }
 }
+