Merge pull request #318 from ddobrev/master

Fixed the generation of default argument when a reference is assigned a value

src/CppParser/Parser.cpp

@@ -2467,12 +2467,16 @@ AST::Expression* Parser::WalkStatement(clang::Stmt* Statement)
     case Stmt::ImplicitCastExprClass:
         return WalkStatement(cast<CastExpr>(Statement)->getSubExprAsWritten());
     case Stmt::CXXConstructExprClass:
+    case Stmt::CXXTemporaryObjectExprClass:
     {
         auto ConstructorExpr = cast<CXXConstructExpr>(Statement);
-        auto Arg = ConstructorExpr->getArg(0);
-        auto TemporaryExpr = dyn_cast<MaterializeTemporaryExpr>(Arg);
-        if (TemporaryExpr && isa<CastExpr>(TemporaryExpr->GetTemporaryExpr()))
-            return WalkStatement(TemporaryExpr->GetTemporaryExpr());
+        if (ConstructorExpr->getNumArgs() > 0)
+        {
+            auto Arg = ConstructorExpr->getArg(0);
+            auto TemporaryExpr = dyn_cast<MaterializeTemporaryExpr>(Arg);
+            if (TemporaryExpr && isa<CastExpr>(TemporaryExpr->GetTemporaryExpr()))
+                return WalkStatement(TemporaryExpr->GetTemporaryExpr());
+        }
         return new AST::Expression(GetStringFromStatement(Statement), StatementClass::CXXConstructExprClass,
             WalkDeclaration(ConstructorExpr->getConstructor()));
     }

tests/CSharpTemp/CSharpTemp.cpp

@@ -250,6 +250,10 @@ void MethodsWithDefaultValues::DefaultIntAssignedAnEnum(int i)
 {
 }
 
+void MethodsWithDefaultValues::DefaultRefAssignedValue(const Foo &fooRef)
+{
+}
+
 void HasPrivateOverrideBase::privateOverride(int i)
 {
 }

tests/CSharpTemp/CSharpTemp.h

@@ -197,6 +197,7 @@ public:
     void DefaultRefTypeAfterOthers(int i = 5, Bar::Items item = Bar::Item2, Foo foo = Foo());
     void DefaultRefTypeBeforeAndAfterOthers(int i = 5, Foo foo = Foo(), Bar::Items item = Bar::Item2, Baz baz = Baz());
     void DefaultIntAssignedAnEnum(int i = Bar::Item1);
+    void DefaultRefAssignedValue(const Foo& fooRef = Foo());
 };
 
 class DLL_API HasPrivateOverrideBase