fix nil coalescing anonymous function moving issue. add test cases.

1 files changed, 6 insertions, 5 deletions

diff --git a/src/yuescript/yue_compiler.cpp b/src/yuescript/yue_compiler.cpp
index a443f39..1864846 100644
--- a/src/yuescript/yue_compiler.cpp
+++ b/src/yuescript/yue_compiler.cpp
@@ -3787,11 +3787,6 @@ private:
         }
 
         void transformNilCoalesedExp(Exp_t* exp, str_list& out, ExpUsage usage, ExpList_t* assignList = nullptr, bool nilBranchOnly = false) {
-                if (usage == ExpUsage::Closure) {
-                        if (transformAsUpValueFunc(exp, out)) {
-                                return;
-                        }
-                }
                 auto x = exp;
                 str_list temp;
                 auto left = exp->new_ptr<Exp_t>();
@@ -3814,6 +3809,12 @@ private:
                 }
                 std::string* funcStart = nullptr;
                 if (usage == ExpUsage::Closure) {
+                        left->nilCoalesed.set(exp->nilCoalesed);
+                        if (transformAsUpValueFunc(left, temp)) {
+                                out.push_back(join(temp));
+                                return;
+                        }
+                        left->nilCoalesed.set(nullptr);
                         pushAnonFunctionScope();
                         pushAnonVarArg();
                         funcStart = &temp.emplace_back();