Remove empty leaf destructors. (#6211)

src/ast/array_decl_plugin.h

@@ -107,7 +107,6 @@ class array_decl_plugin : public decl_plugin {
     bool is_array_sort(sort* s) const;
  public:
     array_decl_plugin();
-    ~array_decl_plugin() override {}
 
     decl_plugin * mk_fresh() override {
         return alloc(array_decl_plugin);

src/ast/ast_printer.cpp

@@ -26,7 +26,6 @@ class simple_ast_printer_context : public ast_printer_context {
     smt2_pp_environment_dbg & env() const { return *(m_env.get()); }
 public:
     simple_ast_printer_context(ast_manager & m):m_manager(m) { m_env = alloc(smt2_pp_environment_dbg, m); }
-    ~simple_ast_printer_context() override {}
     ast_manager & m() const { return m_manager; }
     ast_manager & get_ast_manager() override { return m_manager; }
     void display(std::ostream & out, sort * s, unsigned indent = 0) const override { out << mk_ismt2_pp(s, m(), indent); }

src/ast/ast_printer.h

@@ -45,7 +45,6 @@ public:
 
 class ast_printer_context : public ast_printer {
 public:
-    ~ast_printer_context() override {}
     virtual ast_manager & get_ast_manager() = 0;
     virtual std::ostream & regular_stream();
     virtual std::ostream & diagnostic_stream();

src/ast/bv_decl_plugin.h

@@ -241,7 +241,6 @@ protected:
 public:
     bv_decl_plugin();
 
-    ~bv_decl_plugin() override {}
     void finalize() override;
 
     decl_plugin * mk_fresh() override { return alloc(bv_decl_plugin); }

src/ast/dl_decl_plugin.h

@@ -101,7 +101,6 @@ namespace datalog {
     public:
 
         dl_decl_plugin();
-        ~dl_decl_plugin() override {}
 
         decl_plugin * mk_fresh() override { return alloc(dl_decl_plugin); }
         

src/ast/format.cpp

@@ -52,8 +52,6 @@ namespace format_ns {
             m_line_break_ext("cr++") {
         }
         
-        ~format_decl_plugin() override {}
-
         void finalize() override {
             if (m_format_sort)
                 m_manager->dec_ref(m_format_sort);

src/ast/fpa/fpa2bv_converter.h

@@ -239,7 +239,6 @@ class fpa2bv_converter_wrapped : public fpa2bv_converter {
     fpa2bv_converter_wrapped(ast_manager & m, th_rewriter& rw) :
         fpa2bv_converter(m),
         m_rw(rw) {}
-    ~fpa2bv_converter_wrapped() override {}
     void mk_const(func_decl * f, expr_ref & result) override;
     void mk_rm_const(func_decl * f, expr_ref & result) override;
     app_ref wrap(expr * e);

src/ast/normal_forms/name_exprs.cpp

@@ -77,9 +77,6 @@ public:
         m_rw(m, m.proofs_enabled(), m_cfg) {
     }
 
-    ~name_exprs_core() override {
-    }
-
     void operator()(expr * n, expr_ref_vector & new_defs, proof_ref_vector & new_def_proofs, expr_ref & r, proof_ref & p) override {
         m_cfg.m_def_exprs  = &new_defs;
         m_cfg.m_def_proofs = &new_def_proofs;
@@ -113,9 +110,6 @@ public:
         name_exprs_core(m, n, m_pred),
         m_pred(m) {
     }
-
-    ~name_quantifier_labels() override {
-    }
 };
 
 name_exprs * mk_quantifier_label_namer(ast_manager & m, defined_names & n) {
@@ -145,9 +139,6 @@ public:
         m_pred(m) {
     }
 
-    ~name_nested_formulas() override {
-    }
-
     void operator()(expr * n, expr_ref_vector & new_defs, proof_ref_vector & new_def_proofs, expr_ref & r, proof_ref & p) override {
         m_pred.m_root = n;
         TRACE("name_exprs", tout << "operator()\n";);

src/ast/pb_decl_plugin.h

@@ -52,7 +52,6 @@ class pb_decl_plugin : public decl_plugin {
     func_decl * mk_eq(unsigned arity, rational const* coeffs, int k);
 public:
     pb_decl_plugin();
-    ~pb_decl_plugin() override {}
 
     sort * mk_sort(decl_kind k, unsigned num_parameters, parameter const * parameters) override {
         UNREACHABLE();

src/ast/proofs/proof_checker.h

@@ -52,8 +52,6 @@ class proof_checker {
     public:
         hyp_decl_plugin();
 
-        ~hyp_decl_plugin() override {}
-
         void finalize() override;
         
         decl_plugin * mk_fresh() override { return alloc(hyp_decl_plugin); }

src/ast/rewriter/elim_bounds.h

@@ -68,8 +68,6 @@ public:
         rewriter_tpl<elim_bounds_cfg>(m, m.proofs_enabled(), m_cfg),
         m_cfg(m)
     {} 
-
-    ~elim_bounds_rw() override {}
 };
 
 

src/ast/rewriter/expr_replacer.cpp

@@ -129,8 +129,6 @@ public:
         m_r(m, p) {
     }
 
-    ~th_rewriter2expr_replacer() override {}
-
     ast_manager & m() const override { return m_r.m(); }
 
     void set_substitution(expr_substitution * s) override { m_r.set_substitution(s); }

src/ast/rewriter/push_app_ite.h

@@ -49,7 +49,6 @@ protected:
     bool is_target(func_decl * decl, unsigned num_args, expr * const * args) override;
 public:
     ng_push_app_ite_cfg(ast_manager& m): push_app_ite_cfg(m) {}
-    ~ng_push_app_ite_cfg() override {}
 };
 
 struct push_app_ite_rw : public rewriter_tpl<push_app_ite_cfg> {

src/ast/rewriter/recfun_replace.h

@@ -32,7 +32,6 @@ class recfun_replace : public recfun::replace {
     expr_safe_replace m_replace;
 public:
     recfun_replace(ast_manager& m): m(m), m_replace(m) {}
-    ~recfun_replace() override {}
     void reset() override { m_replace.reset(); }
     void insert(expr* s, expr* t) override { m_replace.insert(s, t); }
     expr_ref operator()(expr* e) override { expr_ref r(m); m_replace(e, r); return r; }

src/ast/special_relations_decl_plugin.h

@@ -40,8 +40,6 @@ class special_relations_decl_plugin : public decl_plugin {
 public:
     special_relations_decl_plugin();
 
-    ~special_relations_decl_plugin() override {}
-
     decl_plugin * mk_fresh() override {
         return alloc(special_relations_decl_plugin);
     }