/*
 *(c) Copyright QNX Software Systems Ltd. 2002.
 * All Rights Reserved.
 * 
 */
package org.eclipse.cdt.debug.internal.core.model;

import org.eclipse.cdt.debug.core.model.IDummyStackFrame;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.model.IRegisterGroup;
import org.eclipse.debug.core.model.IStackFrame;
import org.eclipse.debug.core.model.IThread;
import org.eclipse.debug.core.model.IVariable;

/**
 * Enter type comment.
 * 
 * @since: Nov 13, 2002
 */
public class CDummyStackFrame extends CDebugElement implements IStackFrame, IDummyStackFrame
{
	/**
	 * Containing thread.
	 */
	private CThread fThread;

	/**
	 * Constructor for CDummyStackFrame.
	 * @param target
	 */
	public CDummyStackFrame( CThread thread )
	{
		super( (CDebugTarget)thread.getDebugTarget() );
		setThread( thread );
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.IStackFrame#getThread()
	 */
	public IThread getThread()
	{
		return fThread;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.IStackFrame#getVariables()
	 */
	public IVariable[] getVariables() throws DebugException
	{
		return new IVariable[0];
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.IStackFrame#hasVariables()
	 */
	public boolean hasVariables() throws DebugException
	{
		return false;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.IStackFrame#getLineNumber()
	 */
	public int getLineNumber() throws DebugException
	{
		return 0;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.IStackFrame#getCharStart()
	 */
	public int getCharStart() throws DebugException
	{
		return 0;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.IStackFrame#getCharEnd()
	 */
	public int getCharEnd() throws DebugException
	{
		return 0;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.IStackFrame#getName()
	 */
	public String getName() throws DebugException
	{
		return "...";
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.IStackFrame#getRegisterGroups()
	 */
	public IRegisterGroup[] getRegisterGroups() throws DebugException
	{
		return ((CDebugTarget)getDebugTarget()).getRegisterGroups();
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.IStackFrame#hasRegisterGroups()
	 */
	public boolean hasRegisterGroups() throws DebugException
	{
		return ((CDebugTarget)getDebugTarget()).getRegisterGroups().length > 0;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.IStep#canStepInto()
	 */
	public boolean canStepInto()
	{
		return false;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.IStep#canStepOver()
	 */
	public boolean canStepOver()
	{
		return false;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.IStep#canStepReturn()
	 */
	public boolean canStepReturn()
	{
		return false;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.IStep#isStepping()
	 */
	public boolean isStepping()
	{
		return false;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.IStep#stepInto()
	 */
	public void stepInto() throws DebugException
	{
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.IStep#stepOver()
	 */
	public void stepOver() throws DebugException
	{
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.IStep#stepReturn()
	 */
	public void stepReturn() throws DebugException
	{
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.ISuspendResume#canResume()
	 */
	public boolean canResume()
	{
		return false;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.ISuspendResume#canSuspend()
	 */
	public boolean canSuspend()
	{
		return false;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.ISuspendResume#isSuspended()
	 */
	public boolean isSuspended()
	{
		return false;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.ISuspendResume#resume()
	 */
	public void resume() throws DebugException
	{
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.ISuspendResume#suspend()
	 */
	public void suspend() throws DebugException
	{
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.ITerminate#canTerminate()
	 */
	public boolean canTerminate()
	{
		return false;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.ITerminate#isTerminated()
	 */
	public boolean isTerminated()
	{
		return false;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.debug.core.model.ITerminate#terminate()
	 */
	public void terminate() throws DebugException
	{
	}

	/**
	 * Sets the containing thread.
	 * 
	 * @param thread the containing thread
	 */
	protected void setThread( CThread thread )
	{
		fThread = thread;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.core.runtime.IAdaptable#getAdapter(Class)
	 */
	public Object getAdapter( Class adapter )
	{
		if ( adapter.equals( IDummyStackFrame.class ) )
			return this;
		if ( adapter.equals( IStackFrame.class ) )
			return this;
		return super.getAdapter(adapter);
	}
}