fix issue in destructure syntax.

1 files changed, 14 insertions, 3 deletions

diff --git a/src/yuescript/yue_compiler.cpp b/src/yuescript/yue_compiler.cpp
index 7be0c84..ebc2b3f 100644
--- a/src/yuescript/yue_compiler.cpp
+++ b/src/yuescript/yue_compiler.cpp
@@ -58,7 +58,7 @@ inline std::string s(std::string_view sv) {
         return std::string(sv);
 }
 
-const std::string_view version = "0.6.7"sv;
+const std::string_view version = "0.6.8"sv;
 const std::string_view extension = "yue"sv;
 
 class YueCompilerImpl {
@@ -1237,7 +1237,7 @@ private:
                                         if (pair.isVariable && !isDefined(pair.name)) {
                                                 _buf << s("local "sv);
                                         }
-                                        _buf << pair.name << " = "sv << info.first.front().value << pair.structure << nll(assignment);
+                                        _buf << pair.name << " = "sv << destruct.value << pair.structure << nll(assignment);
                                         addToScope(pair.name);
                                         temp.push_back(clearBuf());
                                 } else if (_parser.match<Name_t>(destruct.value)) {
@@ -1451,6 +1451,13 @@ private:
                         auto value = singleValueFrom(expr);
                         ast_node* destructNode = value->getByPath<SimpleValue_t, TableLit_t>();
                         if (destructNode || (destructNode = value->item.as<simple_table_t>())) {
+                                if (*j != nullNode) {
+                                        if (auto ssVal = simpleSingleValueFrom(*j)) {
+                                                if (ssVal->value.is<const_value_t>()) {
+                                                        throw std::logic_error(_info.errorMessage("can not destruct a const value"sv, ssVal->value));
+                                                }
+                                        }
+                                }
                                 destructPairs.push_back({i,j});
                                 auto& destruct = destructs.emplace_back();
                                 if (!varDefOnly) {
@@ -1462,7 +1469,11 @@ private:
                                 }
                                 auto pairs = destructFromExp(expr);
                                 destruct.items = std::move(pairs);
-                                if (destruct.items.size() == 1 && !singleValueFrom(*j)) {
+                                if (*j == nullNode) {
+                                        for (auto& item : destruct.items) {
+                                                item.structure.clear();
+                                        }
+                                } else if (destruct.items.size() == 1 && !singleValueFrom(*j)) {
                                         destruct.value.insert(0, "("sv);
                                         destruct.value.append(")"sv);
                                 }