Exemple #1
0
void printDotty(const StateMachine& sm, ostream& out)
{
  out << "digraph " << sm.getIdent() << " {" << endl;
  for(int i=0; i<sm.numTransitions(); i++) {
    const Transition& t = sm.getTransition(i);
    // Don't print ignored transitions
    if ((t.getActionShorthands() != "--") && (t.getActionShorthands() != "z")) {
    //    if (t.getStateShorthand() != t.getNextStateShorthand()) {
      out << "  " << t.getStateShorthand() << " -> ";
      out << t.getNextStateShorthand() << "[label=\"";
      out << t.getEventShorthand() << "/" 
          << t.getActionShorthands() << "\"]" << endl;
    }
  }
  out << "}" << endl;
}
void print_C_switch(ostream& out, string component, const StateMachine& machine)
{
  out << "// Auto generated C++ code started by "<<__FILE__<<":"<<__LINE__<< endl;
  out << "// " << machine.getIdent() << ": " <<  machine.getShorthand() << endl;
  out << endl;
  out << "#include \"Global.h\"" << endl;
  out << "#include \"" << component << "_Controller.h\"" << endl;
  out << "#include \"" << component << "_State.h\"" << endl;
  out << "#include \"" << component << "_Event.h\"" << endl;
  out << "#include \"Types.h\"" << endl;
  out << "#include \"System.h\"" << endl;
  out << "#include \"Profiler.h\"" << endl;
  out << endl;
  out << "#define HASH_FUN(state, event)  ((int(state)*" << component
      << "_Event_NUM)+int(event))" << endl;
  out << endl;
  out << "TransitionResult " << component << "_Controller::doTransition(" 
      << component << "_Event event, "
      << component << "_State state, "
      << "const Address& addr)" << endl;
           
  out << "{" << endl;
  out << "  " << component << "_State next_state = state;" << endl;
  out << endl;
  out << "  DEBUG_NEWLINE(GENERATED_COMP, MedPrio);" << endl;
  out << "  DEBUG_MSG(GENERATED_COMP, MedPrio,*this);" << endl;
  out << "  DEBUG_EXPR(GENERATED_COMP, MedPrio,g_eventQueue_ptr->getTime());" << endl;
  out << "  DEBUG_EXPR(GENERATED_COMP, MedPrio,state);" << endl;
  out << "  DEBUG_EXPR(GENERATED_COMP, MedPrio,event);" << endl;
  out << "  DEBUG_EXPR(GENERATED_COMP, MedPrio,addr);" << endl;
  out << endl;
  out << "  TransitionResult result = doTransitionWorker(event, state, next_state, addr);" << endl;
  out << endl;
  out << "  if (result == TransitionResult_Valid) {" << endl;
  out << "    DEBUG_EXPR(GENERATED_COMP, MedPrio, next_state);" << endl;
  out << "    DEBUG_NEWLINE(GENERATED_COMP, MedPrio);" << endl;
  out << "    s_profiler.countTransition(state, event);" << endl;
  out << "    if (g_param_ptr->PROTOCOL_DEBUG_TRACE()) {" << endl
      << "      g_system_ptr->getProfiler()->profileTransition(\"" << component << "\", m_id, addr, " << endl
      << "        " << component << "_State_to_string(state), " << endl
      << "        " << component << "_Event_to_string(event), " << endl
      << "        " << component << "_State_to_string(next_state), " << endl
      << "        \"\");" << endl
      << "    }" << endl;
  out << "    " << component << "_setState(addr, next_state);" << endl;
  out << "    " << endl;
  out << "  } else if (result == TransitionResult_ResourceStall) {" << endl;
  out << "    if (g_param_ptr->PROTOCOL_DEBUG_TRACE()) {" << endl
      << "      g_system_ptr->getProfiler()->profileTransition(\"" << component << "\", m_id, addr, " << endl
      << "        " << component << "_State_to_string(state), " << endl
      << "        " << component << "_Event_to_string(event), " << endl
      << "        " << component << "_State_to_string(next_state), " << endl
      << "        \"Resource Stall\");" << endl
      << "    }" << endl;
  out << "  } else if (result == TransitionResult_ProtocolStall) {" << endl;
  out << "    DEBUG_MSG(GENERATED_COMP,HighPrio,\"stalling\");" << endl
      << "    DEBUG_NEWLINE(GENERATED_COMP, MedPrio);" << endl;
  out << "    if (g_param_ptr->PROTOCOL_DEBUG_TRACE()) {" << endl
      << "      g_system_ptr->getProfiler()->profileTransition(\"" << component << "\", m_id, addr, " << endl
      << "        " << component << "_State_to_string(state), " << endl
      << "        " << component << "_Event_to_string(event), " << endl
      << "        " << component << "_State_to_string(next_state), " << endl
      << "        \"Protocol Stall\");" << endl
      << "    }" << endl
      << "  }" << endl;
  out << "  return result;" << endl;
  out << "}" << endl;
  out << endl;
  out << "TransitionResult " << component << "_Controller::doTransitionWorker(" 
      << component << "_Event event, "
      << component << "_State state, "
      << component << "_State& next_state, "
      << "const Address& addr)" << endl;
           
  out << "{" << endl;
  out << "" << endl;

  out << "  switch(HASH_FUN(state, event)) {" << endl;

  Map<string, Vector<string> > code_map; // This map will allow suppress generating duplicate code
  Vector<string> code_vec;

  for(int i=0; i<machine.numTransitions(); i++) {
    const Transition& t = machine.getTransition(i);
    string case_string = component + "_State_" + t.getStatePtr()->getIdent() 
      + ", " + component + "_Event_" + t.getEventPtr()->getIdent();

    string code;

    code += "  {\n";
    // Only set next_state if it changes
    if (t.getStatePtr() != t.getNextStatePtr()) {
      code += "    next_state = " + component + "_State_" + t.getNextStatePtr()->getIdent() + ";\n";
    }

    const Vector<Action*>& action_vec = t.getActions();
    int numActions = action_vec.size();

    // Check for resources
    Vector<string> code_sorter;
    const Map<Var*, int>& res = t.getResources();
    Vector<Var*> res_keys = res.keys();
    for (int i=0; i<res_keys.size(); i++) {
      string temp_code;
      temp_code += "    if (!" + (res_keys[i]->getCode()) + ".areNSlotsAvailable(" 
        + int_to_string(res.lookup(res_keys[i])) + ")) {\n";
      temp_code += "      return TransitionResult_ResourceStall;\n";
      temp_code += "    }\n";
      code_sorter.insertAtBottom(temp_code);
    }

    // Emit the code sequences in a sorted order.  This makes the
    // output deterministic (without this the output order can vary
    // since Map's keys() on a vector of pointers is not deterministic
    code_sorter.sortVector();
    for (int i=0; i<code_sorter.size(); i++) {
      code += code_sorter[i];
    }

    // Figure out if we stall
    bool stall = false;
    for (int i=0; i<numActions; i++) {
      if(action_vec[i]->getIdent() == "z_stall") {
        stall = true;
      }
    }
    
    if (stall) {
      code += "    return TransitionResult_ProtocolStall;\n";
    } else {
      for (int i=0; i<numActions; i++) {
        code += "    " + action_vec[i]->getIdent() + "(addr);\n";
      }
      code += "    return TransitionResult_Valid;\n";
    }
    code += "  }\n";

    
    // Look to see if this transition code is unique.
    if (code_map.exist(code)) {
      code_map.lookup(code).insertAtBottom(case_string);
    } else {
      Vector<string> vec;
      vec.insertAtBottom(case_string);
      code_map.add(code, vec);
      code_vec.insertAtBottom(code);
    }
  }
  
  // Walk through all of the unique code blocks and spit out the
  // corresponding case statement elements
  for (int i=0; i<code_vec.size(); i++) {
    string code = code_vec[i];

    // Iterative over all the multiple transitions that share the same code
    for (int case_num=0; case_num<code_map.lookup(code).size(); case_num++) {
      string case_string = code_map.lookup(code)[case_num];
      out << "  case HASH_FUN(" << case_string << "):" << endl;
    }
    out << code;
  }

  out << "  default:" << endl;
  out << "    WARN_EXPR(m_id);" << endl;              
  out << "    WARN_EXPR(g_eventQueue_ptr->getTime());" << endl;
  out << "    WARN_EXPR(addr);" << endl;
  out << "    WARN_EXPR(event);" << endl;
  out << "    WARN_EXPR(state);" << endl;
  out << "    ERROR_MSG(\"Invalid transition\");" << endl;
  out << "  }" << endl;
  out << "  return TransitionResult_Valid;" << endl;
  out << "}" << endl;
}
void print_controller_C(ostream& out, string component, const StateMachine& machine)
{
  out << "// Auto generated C++ code started by "<<__FILE__<<":"<<__LINE__<< endl;
  out << "// " << machine.getIdent() << ": " << machine.getShorthand() << endl;
  out << endl;
  out << "#include \"Global.h\"" << endl;
  out << "#include \"slicc_util.h\"" << endl;
  out << "#include \"" << component << "_Controller.h\"" << endl;
  out << "#include \"" << component << "_State.h\"" << endl;
  out << "#include \"" << component << "_Event.h\"" << endl;
  out << "#include \"Types.h\"" << endl;
  out << "#include \"Profiler.h\"" << endl;
  out << "#include \"Network.h\"" << endl;
  out << endl;

  out << "// static profiler defn" << endl;
  out << component << "_Profiler " << component << "_Controller::s_profiler;" << endl;
  out << endl;

  out << "// constructor" << endl;
  out << component << "_Controller::" << component << "_Controller(NodeID id, Network* network_ptr)" << endl;
  out << "{" << endl;
  out << "  m_id = id;" << endl;

  // Initialize member variables
  const Vector<Symbol*>& symbols = g_sym_table.getAllSymbols();
  for (int i=0; i < symbols.size(); i++) {
    Var* var = dynamic_cast<Var*>(symbols[i]);
    if (var == NULL || var->getMachine() != &machine) {
      continue;
    }
    out << "  // " << var->cIdent() << endl;
    if (var->existPair("network")) {
      // Network port object
      string network = var->lookupPair("network");
      string ordered =  var->lookupPair("ordered");
      string vnet =  var->lookupPair("virtual_network");
      
      out << "  m_" << var->cIdent() << "_ptr = network_ptr->get" 
          << network << "NetQueue(MachineType_" << var->getMachine()->getIdent() << ", m_id, " 
          << ordered << ", " << vnet << ");\n";
    } else if (var->getType()->existPair("primitive") || (dynamic_cast<Enum*>(var->getType()) != NULL)) {
      // Normal non-object
      out << "  m_" << var->cIdent() << "_ptr = new " << var->getType()->cIdent() << ";\n";
    } else {
      // Normal Object
      out << "  m_" << var->cIdent() << "_ptr = new " << var->getType()->cIdent();
      if (!var->getType()->existPair("non_obj")) {
        if (var->existPair("constructor_hack")) {
          string constructor_hack = var->lookupPair("constructor_hack");
          out << "(m_id, " << constructor_hack << ")";
        } else {
          out << "(m_id)";
        }
        out << ";\n";
      }
    }
    out << "  assert(m_" << var->cIdent() << "_ptr != NULL);" << endl;

    // Set to the default value
    if (var->existPair("default")) {
      out << "  (*m_" << var->cIdent() << "_ptr) = " << var->lookupPair("default") 
          << "; // Object default" << endl;
    } else if (var->getType()->hasDefault()) {
      out << "  (*m_" << var->cIdent() << "_ptr) = " << var->getType()->getDefault() 
          << "; // Type " << var->getType()->getIdent() << " default" << endl;
    }
    
    // Set ordering
    if (var->existPair("ordered")) {
      // A buffer
      string ordered =  var->lookupPair("ordered");
      out << "  m_" << var->cIdent() << "_ptr->setOrdering(" << ordered << ");\n";
    }
    
    // Set randomization
    if (var->existPair("random")) {
      // A buffer
      string value =  var->lookupPair("random");
      out << "  m_" << var->cIdent() << "_ptr->setRandomization(" << value << ");\n";
    }
    out << endl;
  }

  // Set the queue consumers
  for(int i=0; i < machine.numInPorts(); i++) {
    out << "  " << machine.getInPort(i).getCode() << ".setConsumer(this);" << endl;
  }

  out << endl;
  // Set the queue descriptions
  for(int i=0; i < machine.numInPorts(); i++) {
    out << "  " << machine.getInPort(i).getCode() 
        << ".setDescription(\"[Node \" + int_to_string(m_id) + \", " 
        << component << ", " << machine.getInPort(i).toString() << "]\");" << endl;
  }

  // Initialize the transition profiling
  out << endl;
  for(int i=0; i<machine.numTransitions(); i++) {
    const Transition& t = machine.getTransition(i);
    const Vector<Action*>& action_vec = t.getActions();
    int numActions = action_vec.size();

    // Figure out if we stall
    bool stall = false;
    for (int i=0; i<numActions; i++) {
      if(action_vec[i]->getIdent() == "z_stall") {
        stall = true;
      }
    }

    // Only possible if it is not a 'z' case
    if (!stall) {
      out << "  s_profiler.possibleTransition(" << component << "_State_"
          << t.getStatePtr()->getIdent() << ", " << component << "_Event_"
          << t.getEventPtr()->getIdent() << ");" << endl;
    }
  }

  out << "}" << endl;

  out << endl;

  {
    out << component << "_Controller::~" << component << "_Controller()" << endl;
    out << "{" << endl;
    const Vector<Symbol*>& symbols = g_sym_table.getAllSymbols();
    for (int i=0; i < symbols.size(); i++) {
      Var* var_ptr = dynamic_cast<Var*>(symbols[i]);
      if (var_ptr == NULL || var_ptr->getMachine() != &machine) {
        continue;
      }
      if (!var_ptr->existPair("network")) {
        // Normal Object
        out << "  delete m_" << var_ptr->cIdent() << "_ptr;\n";
      }
    }
    out << "}" << endl;
  }

  {  
    out << endl;
    out << "void " << component << "_Controller::printConfig(ostream& out)\n";
    out << "{\n";
    out << "  out << heading(\"" << component << " Config\");\n";
    
    const Vector<Symbol*>& symbols = g_sym_table.getAllSymbols();
    for (int i=0; i < symbols.size(); i++) {
      Var* var_ptr = dynamic_cast<Var*>(symbols[i]);
      if (var_ptr == NULL || var_ptr->getMachine() != &machine) {
        continue;
      }
      if (!var_ptr->existPair("network") && (!var_ptr->getType()->existPair("primitive"))) {
        // Normal Object
        out << "  m_" << var_ptr->cIdent() << "_ptr->printConfig(out);\n";
      }

    }
    out << "  out << endl;\n";
    out << "}" << endl;
  }
  
  out << endl;
  out << "void " << component << "_Controller::print(ostream& out) const { out << \"[" << component 
      << "_Controller \" << m_id << \"]\"; }" << endl;

  out << endl;
  out << "// Actions" << endl;
  out << endl;

  for(int i=0; i < machine.numActions(); i++) {
    const Action& action = machine.getAction(i);
    if (action.existPair("c_code")) {
      out << "//" << action.getDescription() << endl;
      out << "void " << component << "_Controller::" 
          << action.getIdent() << "(const Address& addr)" << endl;
      out << "{" << endl;
      out << "  DEBUG_MSG(GENERATED_COMP, HighPrio,\"executing\");" << endl;
      out << action.lookupPair("c_code");
      out << "}" << endl;
    }
    out << endl;
  }

  // Function definitions
  {
    const Vector<Symbol*>& symbols = g_sym_table.getAllSymbols();
    for (int i=0; i < symbols.size(); i++) {
      Func* func_ptr = dynamic_cast<Func*>(symbols[i]);
      if (func_ptr == NULL || func_ptr->getMachine() != &machine) {
        continue;
      }
      string code;
      func_ptr->funcDefinition(code);
      out << code;
    }
  }
}