Do not artificially separate message handler and uit

They were passed around independently, even though they originated from the very
same object.

jbmc/src/jbmc/jbmc_parse_options.cpp

@@ -560,8 +560,7 @@ int jbmc_parse_optionst::doit()
       path_strategy_chooser,
       options,
       goto_model,
-      ui_message_handler.get_ui(),
-      *this,
+      ui_message_handler,
       configure_bmc);
   }
   else
@@ -605,8 +604,7 @@ int jbmc_parse_optionst::doit()
         path_strategy_chooser,
         options,
         lazy_goto_model,
-        ui_message_handler.get_ui(),
-        *this,
+        ui_message_handler,
         configure_bmc,
         callback_after_symex);
   }
@@ -661,8 +659,7 @@ int jbmc_parse_optionst::get_goto_program(
     {
       class_hierarchyt hierarchy;
       hierarchy(lazy_goto_model.symbol_table);
-      show_class_hierarchy(
-        hierarchy, get_message_handler(), ui_message_handler.get_ui());
+      show_class_hierarchy(hierarchy, ui_message_handler);
       return CPROVER_EXIT_SUCCESS;
     }
 

src/cbmc/all_properties.cpp

@@ -157,7 +157,7 @@ safety_checkert::resultt bmc_all_propertiest::operator()()
 
 void bmc_all_propertiest::report(const cover_goalst &cover_goals)
 {
-  switch(bmc.ui)
+  switch(bmc.ui_message_handler.get_ui())
   {
   case ui_message_handlert::uit::PLAIN:
     {

src/cbmc/bmc.cpp

@@ -51,7 +51,7 @@ void bmct::error_trace()
   goto_tracet &goto_trace=safety_checkert::error_trace;
   build_goto_trace(equation, prop_conv, ns, goto_trace);
 
-  switch(ui)
+  switch(ui_message_handler.get_ui())
   {
   case ui_message_handlert::uit::PLAIN:
     result() << "Counterexample:" << eom;
@@ -150,7 +150,7 @@ void bmct::report_success()
 {
   result() << "VERIFICATION SUCCESSFUL" << eom;
 
-  switch(ui)
+  switch(ui_message_handler.get_ui())
   {
   case ui_message_handlert::uit::PLAIN:
     break;
@@ -177,7 +177,7 @@ void bmct::report_failure()
 {
   result() << "VERIFICATION FAILED" << eom;
 
-  switch(ui)
+  switch(ui_message_handler.get_ui())
   {
   case ui_message_handlert::uit::PLAIN:
     break;
@@ -562,15 +562,14 @@ int bmct::do_language_agnostic_bmc(
   const path_strategy_choosert &path_strategy_chooser,
   const optionst &opts,
   abstract_goto_modelt &model,
-  const ui_message_handlert::uit &ui,
-  messaget &message,
+  ui_message_handlert &ui,
   std::function<void(bmct &, const symbol_tablet &)> driver_configure_bmc,
   std::function<bool(void)> callback_after_symex)
 {
   safety_checkert::resultt final_result = safety_checkert::resultt::UNKNOWN;
   safety_checkert::resultt tmp_result = safety_checkert::resultt::UNKNOWN;
   const symbol_tablet &symbol_table = model.get_symbol_table();
-  message_handlert &mh = message.get_message_handler();
+  messaget message(ui);
   std::unique_ptr<path_storaget> worklist;
   std::string strategy = opts.get_option("exploration-strategy");
   INVARIANT(
@@ -580,13 +579,11 @@ int bmct::do_language_agnostic_bmc(
   try
   {
     {
-      cbmc_solverst solvers(opts, symbol_table, message.get_message_handler());
-      solvers.set_ui(ui);
+      cbmc_solverst solvers(opts, symbol_table, ui);
       std::unique_ptr<cbmc_solverst::solvert> cbmc_solver;
       cbmc_solver = solvers.get_solver();
       prop_convt &pc = cbmc_solver->prop_conv();
-      bmct bmc(opts, symbol_table, mh, pc, *worklist, callback_after_symex);
-      bmc.set_ui(ui);
+      bmct bmc(opts, symbol_table, ui, pc, *worklist, callback_after_symex);
       if(driver_configure_bmc)
         driver_configure_bmc(bmc, symbol_table);
       tmp_result = bmc.run(model);
@@ -621,16 +618,15 @@ int bmct::do_language_agnostic_bmc(
                          << "Starting new path (" << worklist->size()
                          << " to go)\n"
                          << message.eom;
-      cbmc_solverst solvers(opts, symbol_table, message.get_message_handler());
-      solvers.set_ui(ui);
+      cbmc_solverst solvers(opts, symbol_table, ui);
       std::unique_ptr<cbmc_solverst::solvert> cbmc_solver;
       cbmc_solver = solvers.get_solver();
       prop_convt &pc = cbmc_solver->prop_conv();
       path_storaget::patht &resume = worklist->peek();
       path_explorert pe(
         opts,
         symbol_table,
-        mh,
+        ui,
         pc,
         resume.equation,
         resume.state,

src/cbmc/bmc.h

@@ -66,7 +66,7 @@ class bmct:public safety_checkert
   bmct(
     const optionst &_options,
     const symbol_tablet &outer_symbol_table,
-    message_handlert &_message_handler,
+    ui_message_handlert &_message_handler,
     prop_convt &_prop_conv,
     path_storaget &_path_storage,
     std::function<bool(void)> callback_after_symex)
@@ -83,7 +83,7 @@ class bmct:public safety_checkert
         options,
         path_storage),
       prop_conv(_prop_conv),
-      ui(ui_message_handlert::uit::PLAIN),
+      ui_message_handler(_message_handler),
       driver_callback_after_symex(callback_after_symex)
   {
     symex.constant_propagation=options.get_bool_option("propagation");
@@ -103,8 +103,6 @@ class bmct:public safety_checkert
   safety_checkert::resultt execute(abstract_goto_modelt &);
   virtual ~bmct() { }
 
-  void set_ui(ui_message_handlert::uit _ui) { ui=_ui; }
-
   // the safety_checkert interface
   virtual resultt operator()(
     const goto_functionst &goto_functions)
@@ -127,8 +125,7 @@ class bmct:public safety_checkert
     const path_strategy_choosert &path_strategy_chooser,
     const optionst &opts,
     abstract_goto_modelt &goto_model,
-    const ui_message_handlert::uit &ui,
-    messaget &message,
+    ui_message_handlert &ui,
     std::function<void(bmct &, const symbol_tablet &)>
       driver_configure_bmc = nullptr,
     std::function<bool(void)> callback_after_symex = nullptr);
@@ -144,7 +141,7 @@ class bmct:public safety_checkert
   bmct(
     const optionst &_options,
     const symbol_tablet &outer_symbol_table,
-    message_handlert &_message_handler,
+    ui_message_handlert &_message_handler,
     prop_convt &_prop_conv,
     symex_target_equationt &_equation,
     path_storaget &_path_storage,
@@ -162,7 +159,7 @@ class bmct:public safety_checkert
         options,
         path_storage),
       prop_conv(_prop_conv),
-      ui(ui_message_handlert::uit::PLAIN),
+      ui_message_handler(_message_handler),
       driver_callback_after_symex(callback_after_symex)
   {
     symex.constant_propagation = options.get_bool_option("propagation");
@@ -186,7 +183,7 @@ class bmct:public safety_checkert
   prop_convt &prop_conv;
   std::unique_ptr<memory_model_baset> memory_model;
   // use gui format
-  ui_message_handlert::uit ui;
+  ui_message_handlert &ui_message_handler;
 
   virtual decision_proceduret::resultt
     run_decision_procedure(prop_convt &prop_conv);
@@ -266,7 +263,7 @@ class path_explorert : public bmct
   path_explorert(
     const optionst &_options,
     const symbol_tablet &outer_symbol_table,
-    message_handlert &_message_handler,
+    ui_message_handlert &_message_handler,
     prop_convt &_prop_conv,
     symex_target_equationt &saved_equation,
     const goto_symex_statet &saved_state,

src/cbmc/bmc_cover.cpp

@@ -267,7 +267,7 @@ bool bmc_covert::operator()()
     if(g.second.satisfied)
       goals_covered++;
 
-  switch(bmc.ui)
+  switch(bmc.ui_message_handler.get_ui())
   {
     case ui_message_handlert::uit::PLAIN:
     {
@@ -412,7 +412,7 @@ bool bmc_covert::operator()()
                << (cover_goals.iterations()==1?"":"s")
                << eom;
 
-  if(bmc.ui==ui_message_handlert::uit::PLAIN)
+  if(bmc.ui_message_handler.get_ui() == ui_message_handlert::uit::PLAIN)
   {
     result() << "Test suite:" << '\n';
 

src/cbmc/cbmc_parse_options.cpp

@@ -532,8 +532,7 @@ int cbmc_parse_optionst::doit()
     path_strategy_chooser,
     options,
     goto_model,
-    ui_message_handler.get_ui(),
-    *this);
+    ui_message_handler);
 }
 
 bool cbmc_parse_optionst::set_properties()

src/cbmc/cbmc_solvers.cpp

@@ -70,7 +70,7 @@ std::unique_ptr<cbmc_solverst::solvert> cbmc_solverst::get_default()
     solver->set_prop(util_make_unique<satcheckt>());
   }
 
-  solver->prop().set_message_handler(get_message_handler());
+  solver->prop().set_message_handler(ui);
 
   auto bv_cbmc=util_make_unique<bv_cbmct>(ns, solver->prop());
 
@@ -90,7 +90,7 @@ std::unique_ptr<cbmc_solverst::solvert> cbmc_solverst::get_dimacs()
   no_incremental_check();
 
   auto prop=util_make_unique<dimacs_cnft>();
-  prop->set_message_handler(get_message_handler());
+  prop->set_message_handler(ui);
 
   std::string filename=options.get_option("outfile");
 
@@ -111,12 +111,12 @@ std::unique_ptr<cbmc_solverst::solvert> cbmc_solverst::get_bv_refinement()
     return util_make_unique<satcheck_no_simplifiert>();
   }();
 
-  prop->set_message_handler(get_message_handler());
+  prop->set_message_handler(ui);
 
   bv_refinementt::infot info;
   info.ns=&ns;
   info.prop=prop.get();
-  info.ui=ui;
+  info.ui=ui.get_ui();
 
   // we allow setting some parameters
   if(options.get_bool_option("max-node-refinement"))
@@ -139,10 +139,10 @@ std::unique_ptr<cbmc_solverst::solvert> cbmc_solverst::get_string_refinement()
   string_refinementt::infot info;
   info.ns=&ns;
   auto prop=util_make_unique<satcheck_no_simplifiert>();
-  prop->set_message_handler(get_message_handler());
+  prop->set_message_handler(ui);
   info.prop=prop.get();
   info.refinement_bound=DEFAULT_MAX_NB_REFINEMENT;
-  info.ui=ui;
+  info.ui=ui.get_ui();
   if(options.get_bool_option("string-max-length"))
     info.max_string_length = options.get_signed_int_option("string-max-length");
   info.trace=options.get_bool_option("trace");
@@ -159,6 +159,7 @@ std::unique_ptr<cbmc_solverst::solvert> cbmc_solverst::get_string_refinement()
 std::unique_ptr<cbmc_solverst::solvert> cbmc_solverst::get_smt2(
   smt2_dect::solvert solver)
 {
+  messaget msg(ui);
   no_beautification();
 
   const std::string &filename=options.get_option("outfile");
@@ -167,7 +168,7 @@ std::unique_ptr<cbmc_solverst::solvert> cbmc_solverst::get_smt2(
   {
     if(solver==smt2_dect::solvert::GENERIC)
     {
-      error() << "please use --outfile" << eom;
+      msg.error() << "please use --outfile" << messaget::eom;
       throw 0;
     }
 
@@ -198,7 +199,7 @@ std::unique_ptr<cbmc_solverst::solvert> cbmc_solverst::get_smt2(
     if(options.get_bool_option("fpa"))
       smt2_conv->use_FPA_theory=true;
 
-    smt2_conv->set_message_handler(get_message_handler());
+    smt2_conv->set_message_handler(ui);
 
     return util_make_unique<solvert>(std::move(smt2_conv));
   }
@@ -212,7 +213,7 @@ std::unique_ptr<cbmc_solverst::solvert> cbmc_solverst::get_smt2(
 
     if(!*out)
     {
-      error() << "failed to open " << filename << eom;
+      msg.error() << "failed to open " << filename << messaget::eom;
       throw 0;
     }
 
@@ -228,7 +229,7 @@ std::unique_ptr<cbmc_solverst::solvert> cbmc_solverst::get_smt2(
     if(options.get_bool_option("fpa"))
       smt2_conv->use_FPA_theory=true;
 
-    smt2_conv->set_message_handler(get_message_handler());
+    smt2_conv->set_message_handler(ui);
 
     return util_make_unique<solvert>(std::move(smt2_conv), std::move(out));
   }
@@ -238,7 +239,8 @@ void cbmc_solverst::no_beautification()
 {
   if(options.get_bool_option("beautify"))
   {
-    error() << "sorry, this solver does not support beautification" << eom;
+    messaget(ui).error() << "sorry, this solver does not support beautification"
+                         << messaget::eom;
     throw 0;
   }
 }
@@ -249,7 +251,8 @@ void cbmc_solverst::no_incremental_check()
      options.get_option("cover")!="" ||
      options.get_option("incremental-check")!="")
   {
-    error() << "sorry, this solver does not support incremental solving" << eom;
+    messaget(ui).error() << "sorry, this solver does not support incremental "
+                         << "solving" << messaget::eom;
     throw 0;
   }
 }

src/cbmc/cbmc_solvers.h

@@ -29,18 +29,17 @@ Author: Daniel Kroening, [email protected]
 
 #include "bv_cbmc.h"
 
-class cbmc_solverst:public messaget
+class cbmc_solverst
 {
 public:
   cbmc_solverst(
     const optionst &_options,
     const symbol_tablet &_symbol_table,
-    message_handlert &_message_handler):
-    messaget(_message_handler),
+    ui_message_handlert &_message_handler):
     options(_options),
     symbol_table(_symbol_table),
     ns(_symbol_table),
-    ui(ui_message_handlert::uit::PLAIN)
+    ui(_message_handler)
   {
   }
 
@@ -120,15 +119,11 @@ class cbmc_solverst:public messaget
   {
   }
 
-  void set_ui(ui_message_handlert::uit _ui) { ui=_ui; }
-
 protected:
   const optionst &options;
   const symbol_tablet &symbol_table;
   namespacet ns;
-
-  // use gui format
-  ui_message_handlert::uit ui;
+  ui_message_handlert &ui;
 
   std::unique_ptr<solvert> get_default();
   std::unique_ptr<solvert> get_dimacs();

src/cbmc/fault_localization.cpp

@@ -289,7 +289,7 @@ safety_checkert::resultt fault_localizationt::stop_on_fail()
     // localize faults
     run(ID_nil);
 
-    switch(bmc.ui)
+    switch(bmc.ui_message_handler.get_ui())
     {
     case ui_message_handlert::uit::PLAIN:
     {
@@ -356,7 +356,7 @@ void fault_localizationt::report(
 {
   bmc_all_propertiest::report(cover_goals);
 
-  switch(bmc.ui)
+  switch(bmc.ui_message_handler.get_ui())
   {
   case ui_message_handlert::uit::PLAIN:
     if(cover_goals.number_covered()>0)

src/cbmc/show_vcc.cpp

@@ -148,7 +148,7 @@ void bmct::show_vcc()
 
   std::ostream &out=have_file?of:std::cout;
 
-  switch(ui)
+  switch(ui_message_handler.get_ui())
   {
   case ui_message_handlert::uit::XML_UI:
     error() << "XML UI not supported" << eom;