Tracepoint.java

/*******************************************************************************
 *
 *	Copyright (C) 2008 Fujitsu Services Ltd.
 *
 *	Author: Nick Battle
 *
 *	This file is part of VDMJ.
 *
 *	VDMJ 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 3 of the License, or
 *	(at your option) any later version.
 *
 *	VDMJ 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 VDMJ.  If not, see <http://www.gnu.org/licenses/>.
 *
 ******************************************************************************/

package org.overture.interpreter.runtime;

import org.overture.ast.intf.lex.ILexLocation;
import org.overture.config.Settings;
import org.overture.interpreter.debug.BreakpointManager;
import org.overture.parser.lex.LexException;
import org.overture.parser.syntax.ParserException;

/**
 * A breakpoint where something is displayed.
 */

public class Tracepoint extends Breakpoint
{
	private static final long serialVersionUID = 1L;

	public Tracepoint(ILexLocation location, int number, String trace)
			throws ParserException, LexException
	{
		super(location, number, trace);
	}

	@Override
	public void check(ILexLocation execl, Context ctxt)
	{
		location.hit();
		hits++;

		if (parsed == null)
		{
			String s = "Reached [" + number + "]";

			if (Settings.usingDBGP)
			{
				ctxt.threadState.dbgp.tracing(s);
			} else
			{
				println(s);
			}
		} else
		{
			String s = trace + " = "
					+ BreakpointManager.evalBreakpointCondition(parsed, ctxt)
					+ " at [" + number + "]";// FIXME: use visitor here

			if (Settings.usingDBGP)
			{
				ctxt.threadState.dbgp.tracing(s);
			} else
			{
				println(s);
			}
		}
	}

	@Override
	public String toString()
	{
		return "trace [" + number + "] "
				+ (trace == null ? "" : "show \"" + trace + "\" ")
				+ super.toString();
	}
}