AddGCUCmd.cc

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/*
    Copyright (c) 2002-2009 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
    Permission is hereby granted, free of charge, to any person obtaining a
    copy of this software and associated documentation files (the "Software"),
    to deal in the Software without restriction, including without limitation
    the rights to use, copy, modify, merge, publish, distribute, sublicense,
    and/or sell copies of the Software, and to permit persons to whom the
    Software is furnished to do so, subject to the following conditions:
 
    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.
 
    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
    THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 */
/**
 * @file AddGCUCmd.cc
 *
 * Definition of AddGCUCmd class.
 *
 * @author Veli-Pekka Jääskeläinen 2004 (vjaaskel-no.spam-cs.tut.fi)
 * @note rating: red
 */
 
#include <wx/wx.h>
#include <wx/docview.h>
#include <boost/format.hpp>
 
#include "AddGCUCmd.hh"
#include "GCUDialog.hh"
#include "Model.hh"
#include "MDFDocument.hh"
#include "ProDeConstants.hh"
#include "ProDe.hh"
#include "InformationDialog.hh"
#include "Machine.hh"
#include "ControlUnit.hh"
#include "ProDeTextGenerator.hh"
#include "WxConversion.hh"
#include "ModelConstants.hh"
#include "HWOperation.hh"
#include "ExecutionPipeline.hh"
#include "FUPort.hh"
#include "SpecialRegisterPort.hh"
 
using std::string;
using boost::format;
using namespace TTAMachine;
 
const std::string AddGCUCmd::RA_PORT_NAME = "ra";
const std::string AddGCUCmd::OP_PORT_NAME = "pc";
const std::string AddGCUCmd::OPNAME_JUMP = "jump";
const std::string AddGCUCmd::OPNAME_CALL = "call";
 
/**
 * The Constructor.
 */
AddGCUCmd::AddGCUCmd() :
    EditorCommand(ProDeConstants::CMD_NAME_ADD_GCU) {
}
 
 
 
/**
 * Executes the command.
 *
 * @return true, if the command was succesfully executed, false otherwise.
 */
bool
AddGCUCmd::Do() {
 
    assert(parentWindow() != NULL);
    assert(view() != NULL);
 
    Model* model = dynamic_cast<MDFDocument*>(
        view()->GetDocument())->getModel();
 
 
    // check that the machine doesn't have a global control unit yet
    if (model->getMachine()->controlUnit() != NULL) {
        ProDeTextGenerator* generator = ProDeTextGenerator::instance();
        format fmt = generator->text(ProDeTextGenerator::MSG_ERROR_ONE_GCU);
        string title = fmt.str();
        wxString message = WxConversion::toWxString(title);
        InformationDialog info(parentWindow(), message);
        info.ShowModal();
        return false;
    }
 
    model->pushToStack();
 
    // Add default ports.
    ControlUnit* gcu = new ControlUnit(
        ProDeConstants::COMP_DEFAULT_NAME_GCU, 3, 1);
 
    FUPort* opPort = new FUPort(OP_PORT_NAME, 32, *gcu, true, true);
    SpecialRegisterPort* raPort =
        new SpecialRegisterPort(RA_PORT_NAME, 32, *gcu);
 
    gcu->setReturnAddressPort(*raPort);
 
    // Add default operations.
    HWOperation* jump = new HWOperation(OPNAME_JUMP, *gcu);
    jump->bindPort(1, *opPort);
    jump->pipeline()->addPortRead(1, 0, 1);
 
    HWOperation* call = new HWOperation(OPNAME_CALL, *gcu);
    call->bindPort(1, *opPort);
    call->pipeline()->addPortRead(1, 0, 1);
 
    gcu->setMachine(*(model->getMachine()));
 
    GCUDialog dialog(parentWindow(), gcu);
    if (dialog.ShowModal() == wxID_OK) {
    model->notifyObservers();
    return true;
    } else {
    model->popFromStack();
    return false;
    }
 
    return false;
}
 
 
/**
 * Returns id of this command.
 *
 * @return ID for this command to be used in menus and toolbars.
 */
int
AddGCUCmd::id() const {
    return ProDeConstants::COMMAND_ADD_GCU;
}
 
 
/**
 * Creates and returns a new instance of this command.
 *
 * @return Newly created instance of this command.
 */
AddGCUCmd*
AddGCUCmd::create() const {
    return new AddGCUCmd();
}
 
 
 
/**
 * Returns short version of the command name.
 *
 * @return Short name of the command to be used in the toolbar.
 */
string
AddGCUCmd::shortName() const {
    return ProDeConstants::CMD_SNAME_ADD_GCU;
}
 
 
/**
 * Returns true when the command is executable, false when not.
 *
 * This command is executable when a document is open.
 *
 * @return True, if a document is open.
 */
bool
AddGCUCmd::isEnabled() {
    wxDocManager* manager = wxGetApp().docManager();
    if (manager->GetCurrentView() != NULL) {
    return true;
    }
    return false;
}