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//==============================================================================
//
// Copyright (c) 2002-
// Authors:
// * Andrew Hinton <ug60axh@cs.bham.ac.uk> (University of Birmingham)
// * Dave Parker <david.parker@comlab.ox.ac.uk> (University of Oxford, formerly University of Birmingham)
//
//------------------------------------------------------------------------------
//
// This file is part of PRISM.
//
// PRISM is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// PRISM is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with PRISM; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
//==============================================================================
package userinterface.model.computation;
import javax.swing.*;
import userinterface.model.*;
import parser.ast.*;
import prism.*;
import userinterface.util.*;
import userinterface.GUIComputationThread;
public class ParseModelThread extends GUIComputationThread
{
private GUIMultiModelHandler handler;
private String parseThis;
private boolean isPepa;
private boolean background;
private ModulesFile mod;
private String errMsg;
private PrismException parseError;
static int counter = 0;
int id;
long before;
/** Creates a new instance of ParseModelThread */
public ParseModelThread(GUIMultiModelHandler handler, String parseThis, boolean isPepa, boolean background)
{
super(handler.getGUIPlugin());
this.handler = handler;
this.parseThis = parseThis;
this.isPepa = isPepa;
this.background = background;
id = counter;
counter++;
}
public void run()
{
// Notify user interface of the start of computation
SwingUtilities.invokeLater(new Runnable()
{
public void run()
{
if (!background)
plug.startProgress();
plug.notifyEventListeners(new GUIComputationEvent(GUIComputationEvent.COMPUTATION_START, plug));
if (!background)
plug.setTaskBarText("Parsing model...");
}
});
// do parsing
try {
// normal prism mode
if (!isPepa) {
if (!background)
plug.log("\nParsing model...\n");
mod = prism.parseModelString(parseThis);
}
// pepa mode
else {
if (!background)
plug.log("\nParsing PEPA model...\n");
mod = prism.importPepaString(parseThis);
}
// Load into PRISM once done
prism.loadPRISMModel(mod);
} catch (PrismException err) {
parseError = err;
errMsg = err.getMessage();
SwingUtilities.invokeLater(new Runnable()
{
public void run()
{
if (!background)
plug.stopProgress();
plug.notifyEventListeners(new GUIComputationEvent(GUIComputationEvent.COMPUTATION_ERROR, plug));
if (!background)
plug.setTaskBarText("Parsing model... error.");
if (!background)
error(errMsg);
handler.modelParseFailed(parseError, background);
}
});
return;
}
// If we get here, the parse has been successful, notify the interface and tell the handler.
SwingUtilities.invokeLater(new Runnable()
{
public void run()
{
if (!background)
plug.stopProgress();
if (!background)
plug.setTaskBarText("Parsing model... done.");
plug.notifyEventListeners(new GUIComputationEvent(GUIComputationEvent.COMPUTATION_DONE, plug));
handler.modelParsedSuccessful(mod);
}
});
}
}