lib: rfnoc: Add some missing virtual destructors

3 files changed, 8 insertions, 2 deletions

diff --git a/host/lib/rfnoc/blockdef_xml_impl.cpp b/host/lib/rfnoc/blockdef_xml_impl.cpp
index db491922c..2326043ca 100644
--- a/host/lib/rfnoc/blockdef_xml_impl.cpp
+++ b/host/lib/rfnoc/blockdef_xml_impl.cpp
@@ -242,6 +242,8 @@ public:
         }
     }
 
+    virtual ~blockdef_xml_impl() {}
+
     bool is_block() const
     {
         return _type == DESCRIBES_BLOCK;
diff --git a/host/lib/rfnoc/nocscript/expression.hpp b/host/lib/rfnoc/nocscript/expression.hpp
index becc329f0..309741295 100644
--- a/host/lib/rfnoc/nocscript/expression.hpp
+++ b/host/lib/rfnoc/nocscript/expression.hpp
@@ -72,6 +72,8 @@ public:
     //! Create an int vector literal expression from a C++ vector<int>.
     expression_literal(std::vector<int> v);
 
+    virtual ~expression_literal() {}
+
     expression::type_t infer_type() const
     {
         return _type;
@@ -192,7 +194,7 @@ public:
 
     //! Create an empty container
     expression_container() : _combiner(COMBINE_NOTSET){};
-    virtual ~expression_container(){};
+    virtual ~expression_container() {}
 
     /*! Type-deduction rules for containers are:
      * - If the combination type is COMBINE_ALL or COMBINE_AND,
@@ -331,6 +333,8 @@ public:
         type_getter_type type_getter,
         value_getter_type value_getter);
 
+    virtual ~expression_variable() {}
+
     /*! Looks up the variable type in the variable table.
      *
      * \throws Depending on \p type_getter, this may throw when the variable does not
diff --git a/host/lib/rfnoc/nocscript/parser.cpp b/host/lib/rfnoc/nocscript/parser.cpp
index f34d475ba..51a544e47 100644
--- a/host/lib/rfnoc/nocscript/parser.cpp
+++ b/host/lib/rfnoc/nocscript/parser.cpp
@@ -34,7 +34,7 @@ public:
         // nop
     }
 
-    ~parser_impl(){};
+    virtual ~parser_impl() {}
 
 
     /******************************************************************