Remove empty leaf destructors. (#6211)

src/cmd_context/basic_cmds.cpp

@@ -379,8 +379,6 @@ public:
         m_int_real_coercions(":int-real-coercions"),
         m_reproducible_resource_limit(":reproducible-resource-limit") {
     }
-    ~set_get_option_cmd() override {}
-
 };
 
 class set_option_cmd : public set_get_option_cmd {

src/cmd_context/cmd_context.cpp

@@ -493,7 +493,6 @@ protected:
 
 public:
     pp_env(cmd_context & o):m_owner(o), m_autil(o.m()), m_bvutil(o.m()), m_arutil(o.m()), m_futil(o.m()), m_sutil(o.m()), m_dtutil(o.m()), m_dlutil(o.m()) {}
-    ~pp_env() override {}
     ast_manager & get_manager() const override { return m_owner.m(); }
     arith_util & get_autil() override { return m_autil; }
     bv_util & get_bvutil() override { return m_bvutil; }

src/cmd_context/pdecl.cpp

@@ -147,7 +147,6 @@ class psort_sort : public psort {
     sort * get_sort() const { return m_sort; }
     sort * instantiate(pdecl_manager & m, unsigned n, sort * const * s) override { return m_sort; }
 public:
-    ~psort_sort() override {}
     bool is_sort_wrapper() const override { return true; }
     char const * hcons_kind() const override { return "psort_sort"; }
     unsigned hcons_hash() const override { return m_sort->get_id(); }
@@ -171,7 +170,6 @@ class psort_var : public psort {
     }
     size_t obj_size() const override { return sizeof(psort_var); }
 public:
-    ~psort_var() override {}
     char const * hcons_kind() const override { return "psort_var"; }
     unsigned hcons_hash() const override { return hash_u_u(m_num_params, m_idx); }
     bool hcons_eq(psort const * other) const override {
@@ -233,7 +231,6 @@ class psort_app : public psort {
     }
 
 public:
-    ~psort_app() override {}
     char const * hcons_kind() const override { return "psort_app"; }
     unsigned hcons_hash() const override {
         return get_composite_hash<psort_app*, khasher, chasher>(const_cast<psort_app*>(this), m_args.size());
@@ -800,8 +797,6 @@ struct pdecl_manager::app_sort_info : public pdecl_manager::sort_info {
         m.m().inc_array_ref(n, s);
     }
 
-    ~app_sort_info() override {}
-
     unsigned obj_size() const override { return sizeof(app_sort_info); }
 
     void finalize(pdecl_manager & m) override {
@@ -843,8 +838,6 @@ struct pdecl_manager::indexed_sort_info : public pdecl_manager::sort_info {
         m_indices(n, s) {
     }
 
-    ~indexed_sort_info() override {}
-
     unsigned obj_size() const override { return sizeof(indexed_sort_info); }
 
     void display(std::ostream & out, pdecl_manager const & m) const override {

src/cmd_context/pdecl.h

@@ -66,7 +66,6 @@ protected:
     psort(unsigned id, unsigned num_params):pdecl(id, num_params), m_inst_cache(nullptr) {}
     bool is_psort() const override { return true; }
     void finalize(pdecl_manager & m) override;
-    ~psort() override {}
     virtual void cache(pdecl_manager & m, sort * const * s, sort * r);
     virtual sort * find(sort * const * s) const;
 public:
@@ -98,7 +97,6 @@ protected:
     sort * find(sort * const * s);
     psort_decl(unsigned id, unsigned num_params, pdecl_manager & m, symbol const & n);
     void finalize(pdecl_manager & m) override;
-    ~psort_decl() override {}
 public:
     virtual sort * instantiate(pdecl_manager & m, unsigned n, sort * const * s) = 0;
     virtual sort * instantiate(pdecl_manager & m, unsigned n, unsigned const * s) { return nullptr; }
@@ -120,7 +118,6 @@ protected:
     psort_user_decl(unsigned id, unsigned num_params, pdecl_manager & m, symbol const & n, psort * p);
     size_t obj_size() const override { return sizeof(psort_user_decl); }
     void finalize(pdecl_manager & m) override;
-    ~psort_user_decl() override {}
 public:
     sort * instantiate(pdecl_manager & m, unsigned n, sort * const * s) override;
     std::ostream& display(std::ostream & out) const override;
@@ -133,7 +130,6 @@ protected:
     decl_kind m_kind;
     psort_builtin_decl(unsigned id, pdecl_manager & m, symbol const & n, family_id fid, decl_kind k);
     size_t obj_size() const override { return sizeof(psort_builtin_decl); }
-    ~psort_builtin_decl() override {}
 public:
     sort * instantiate(pdecl_manager & m, unsigned n, sort * const * s) override;
     sort * instantiate(pdecl_manager & m, unsigned n, unsigned const * s) override;
@@ -145,7 +141,6 @@ protected:
     friend class pdecl_manager;
     psort_dt_decl(unsigned id, unsigned num_params, pdecl_manager & m, symbol const & n);
     size_t obj_size() const override { return sizeof(psort_dt_decl); }
-    ~psort_dt_decl() override {}
 public:
     sort * instantiate(pdecl_manager & m, unsigned n, sort * const * s) override;
     std::ostream& display(std::ostream & out) const override;
@@ -196,7 +191,6 @@ class paccessor_decl : public pdecl {
     accessor_decl * instantiate_decl(pdecl_manager & m, unsigned n, sort * const * s);
     symbol const & get_name() const { return m_name; }
     ptype const & get_type() const { return m_type; }
-    ~paccessor_decl() override {}
 public:
     std::ostream& display(std::ostream & out) const override { pdecl::display(out); return out; }
     void display(std::ostream & out, pdatatype_decl const * const * dts) const;
@@ -217,7 +211,6 @@ class pconstructor_decl : public pdecl {
     symbol const & get_name() const { return m_name; }
     symbol const & get_recognizer_name() const { return m_recogniser_name; }
     constructor_decl * instantiate_decl(pdecl_manager & m, unsigned n, sort * const * s);
-    ~pconstructor_decl() override {}
 public:
     std::ostream& display(std::ostream & out) const override { pdecl::display(out); return out; }
     void display(std::ostream & out, pdatatype_decl const * const * dts) const;
@@ -234,7 +227,6 @@ class pdatatype_decl : public psort_decl {
     size_t obj_size() const override { return sizeof(pdatatype_decl); }
     bool fix_missing_refs(dictionary<int> const & symbol2idx, symbol & missing);
     datatype_decl * instantiate_decl(pdecl_manager & m, unsigned n, sort * const * s);
-    ~pdatatype_decl() override {}
 public:
     sort * instantiate(pdecl_manager & m, unsigned n, sort * const * s) override;
     std::ostream& display(std::ostream & out) const override;
@@ -255,7 +247,6 @@ class pdatatypes_decl : public pdecl {
     size_t obj_size() const override { return sizeof(pdatatypes_decl); }
     bool fix_missing_refs(symbol & missing);
     bool instantiate(pdecl_manager & m, sort * const * s);
-    ~pdatatypes_decl() override {}
 public:
     pdatatype_decl const * const * children() const { return m_datatypes.data(); }
     pdatatype_decl * const * begin() const { return m_datatypes.begin(); }

src/cmd_context/simplify_cmd.cpp

@@ -46,10 +46,7 @@ public:
         p.insert("print_proofs", CPK_BOOL, "(default: false) print a proof showing the original term is equal to the resultant one.");
         p.insert("print_statistics", CPK_BOOL, "(default: false) print statistics.");
     }
-    
-    ~simplify_cmd() override {
-    }
-    
+
     void prepare(cmd_context & ctx) override {
         parametric_cmd::prepare(ctx);
         m_target   = nullptr;