docs: 补充注释与格式化

crates/oxide_vm/tests/compiler_alignment_binding_tests.rs

@@ -19,8 +19,7 @@ fn eval(source: &str) -> String {
     }
 }
 
-// Destructured parameter followed by a loop body: the counter must count the parameter
-// destructuring prologue or the loop's back-jump lands at the wrong PC.
+// 解构参数后跟循环体：计数器必须计入参数解构 prologue，否则循环回跳落到错误 PC。
 #[test]
 fn param_array_pattern_with_loop_body() {
     assert_eq!(eval("function f([a]){var s=0; while(a>0){s=s+1;a=a-1;} return s;} f([3])"), "3");
@@ -31,32 +30,31 @@ fn param_array_pattern_default_element() {
     assert_eq!(eval("function f([a=5]){return a;} f([])"), "5");
 }
 
-// Array assignment target with a default element followed by a loop.
+// 含默认元素的数组赋值目标后跟循环。
 #[test]
 fn array_assignment_default_element_then_loop() {
     assert_eq!(eval("var a,c=0; [a=5]=[]; while(c<a){c=c+1;} c"), "5");
 }
 
-// Nested array assignment target element.
+// 嵌套数组赋值目标元素。
 #[test]
 fn array_assignment_nested_element() {
     assert_eq!(eval("var a,b; [[a],b]=[[1],2]; a*10+b"), "12");
 }
 
-// Destructuring catch param followed by a loop: the counter must not count a STORE_VAR the
-// emitter does not emit for a pattern catch binding.
+// 解构 catch 参数后跟循环：计数器不得计入模式 catch 绑定未发射的 STORE_VAR。
 #[test]
 fn destructuring_catch_param_then_loop() {
     assert_eq!(eval("var c=0; try{throw 1;}catch({e}){} while(c<3){c=c+1;} c"), "3");
 }
 
-// Regression: for-init declaration without an initializer followed by loop iterations.
+// 回归：for-init 声明无初始化器后跟循环迭代。
 #[test]
 fn for_init_no_initializer_declarator() {
     assert_eq!(eval("var c=0; for(var i; c<3; c=c+1){} c"), "3");
 }
 
-// Identifier element array assignment stays correct (simple path unchanged).
+// 标识符元素数组赋值保持正确（简单路径未变）。
 #[test]
 fn array_assignment_identifier_elements() {
     assert_eq!(eval("var a,b; [a,b]=[7,8]; a*10+b"), "78");