/*

 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description: 

 *

 */

package com.nokia.carbide.cpp.pi.instr;

import java.util.Enumeration;

import java.util.Vector;

import com.nokia.carbide.cpp.internal.pi.model.Binary;

import com.nokia.carbide.cpp.internal.pi.model.Function;

import com.nokia.carbide.cpp.internal.pi.model.FunctionResolver;

public class AdvancedMemoryMap implements FunctionResolver

{

    private boolean debug = false;

	private UndecidedPool unDecided;

	private DecidedPool decided;

	private BinaryReader binReader;

	private IttTrace122 ittTrace122;

	private BinaryReader122 binaryReader122;

	// whether the resolver has enough information to resolve anything

	protected boolean ableToResolve = true;

	public AdvancedMemoryMap(BinaryReader122 binaryReader122,IttTrace122 ittTrace122)

	{

		this.binaryReader122 = binaryReader122;

		this.ittTrace122 = ittTrace122;

	}

	public AdvancedMemoryMap(BinaryReader myBinaryReader)

	{

		this.binReader = myBinaryReader;

		this.decided = new DecidedPool(this);

		this.unDecided = new UndecidedPool(this);

	}

	public UndecidedPool getUndecidedPool()

	{

		return this.unDecided;

	}

	public DecidedPool getDecidedPool()

	{

		return this.decided;

	}

	public BinaryReader getBinaryReader()

	{

		return this.binReader;

	}

	public void InsertSample(IttSample sample)

	{

		if (this.ittTrace122 == null)

		{

			// first check whether there is any binary in the location

			// the sample is

			boolean memStat = this.decided.isThereAnyBinaryInMemoryIn(sample.programCounter);

			if (memStat == true)

			{

				// there is a binary / binaries

				// in the memory at the location

				// where the sample is located

				this.decided.insertSample(sample);

				// result tells whether the sample was binary compatible

				// with any of the binaries. It is not important here though, as

				// the sample should have a match also with its correct binary if

				// it is present - consequent samples will then strenghten the 

				// position of the binary

			}

			else if (memStat == false)

			{

				// no, this sample has to be inserted to the

				// undecided pool

				this.unDecided.insertSample(sample,10);

			}

			if (this.unDecided.getUnprocessed().size() > 0)

			{

				//System.out.println("Unprocessed "+this.unDecided.getUnprocessed().size());

				Vector unProcVec = this.unDecided.getUnprocessed();

				Enumeration enumer = unProcVec.elements();

				while(enumer.hasMoreElements())

				{

					IttSample s = (IttSample)enumer.nextElement();

					// try the undecided samples again

					this.decided.insertSample(s);

				}

			}

		}

		else

		{

			throw new ArrayIndexOutOfBoundsException(Messages.getString("AdvancedMemoryMap.notSupportedInV.1.22"));			 //$NON-NLS-1$

		}

	}

	public void postProcess()

	{

		if (this.ittTrace122 == null)

		{

			for (int i=9;i>0;i--)

			{		

				Vector undecided = unDecided.getUndecided();

				if (debug) System.out.println(Messages.getString("AdvancedMemoryMap.unmatchedSize")+undecided.size()); //$NON-NLS-1$

				Enumeration enumer = undecided.elements();

				while(enumer.hasMoreElements())

				{

					IttSample is = (IttSample)enumer.nextElement();

					if (this.decided.insertSample(is) == false)

						this.unDecided.insertSample(is,i);

				}

			}

		}

		else

		{

			throw new ArrayIndexOutOfBoundsException(Messages.getString("AdvancedMemoryMap.notSupportedInV.1.22"));			 //$NON-NLS-1$

		}

	}

	public Binary findBinaryForSample(IttSample sample)

	{

		if (this.ittTrace122 == null)

		{

			Binary b = this.decided.findBinaryForSample(sample);

			if (b != null)

			{

				return b;

			}

			else

			{

				b = new Binary(Messages.getString("AdvancedMemoryMap.binaryForAddressNotFound1")+Long.toHexString(sample.programCounter)+Messages.getString("AdvancedMemoryMap.binaryForAddressNotFound2")); //$NON-NLS-1$ //$NON-NLS-2$

				b.length = 0;

				b.offsetToCodeStart = 0;

				b.startAddress = sample.programCounter+4;

				b.type = null;

				return b;

			}

		}

		else

		{

			throw new ArrayIndexOutOfBoundsException(Messages.getString("AdvancedMemoryMap.notSupportedInV.1.22"));			 //$NON-NLS-1$

		}

	}

	public Function findFunctionForSample(IttSample sample)

	{

		if (this.ittTrace122 == null)

		{

			Function f;

			ProcessedBinary pb = null;

			Binary b = this.decided.findBinaryForSample(sample);

			if (b != null)

			{

				int offset = (int)(sample.programCounter+4-(b.startAddress+b.offsetToCodeStart));

				pb = this.binReader.getProcessedBinaryForName(b.binaryName);

				if (pb != null)

				{

					f = pb.getFunctionForOffset(offset);

					if (f != null) 

					{

						f.startAddress = new Long(b.startAddress+f.offsetFromBinaryStart+pb.offsetToCodeStart);

						// function found ok

						// System.out.println(f.toString());

						return f;

					}

					// function not found in processed binary

					f = new Function(Messages.getString("AdvancedMemoryMap.functionForAddressNotFound1")+Long.toHexString(sample.programCounter)+Messages.getString("AdvancedMemoryMap.functionForAddressNotFound2"), //$NON-NLS-1$ //$NON-NLS-2$

							new Long(pb.startAddress),

							pb.binaryName);

					return f;

				}

			}

			// in all other cases

			f = new Function(Messages.getString("AdvancedMemoryMap.functionForAddressNotFound1")+Long.toHexString(sample.programCounter)+Messages.getString("AdvancedMemoryMap.functionForAddressNotFound2"), //$NON-NLS-1$ //$NON-NLS-2$

					new Long(sample.programCounter),

					Messages.getString("AdvancedMemoryMap.binaryForAddressNotFound1")+Long.toHexString(sample.programCounter)+Messages.getString("AdvancedMemoryMap.binaryForAddressNotFound2")); //$NON-NLS-1$ //$NON-NLS-2$

			return f;

		}

		else

		{

			throw new ArrayIndexOutOfBoundsException(Messages.getString("AdvancedMemoryMap.notSupportedInV.1.22"));			 //$NON-NLS-1$

		}

	}

	public Function findFunctionForAddress(long address)

	{

		if (this.ittTrace122 == null)

		{

			return this.decided.getFunctionForAddress(address);

		}

		else

		{

			return this.ittTrace122.getFunctionForAddress(address,this.binaryReader122);

		}

	}

	public String findFunctionNameForAddress(long address)

	{

		Function f = this.findFunctionForAddress(address);

		if (f != null)

		{

			return f.functionName;

		}

		else

		{

			return Messages.getString("AdvancedMemoryMap.functionNotFound"); //$NON-NLS-1$

		}

	}

	public String findBinaryNameForAddress(long address)

	{

		Function f = this.findFunctionForAddress(address);

		if (f != null)

		{

			return f.functionBinary.binaryName;

		}

		else

		{

			return Messages.getString("AdvancedMemoryMap.binaryNotFound"); //$NON-NLS-1$

		}

	}

	public String getResolverName()

	{

		return "ITT"; //$NON-NLS-1$

	}

	public String getResolverString()

	{

		return Messages.getString("AdvancedMemoryMap.resolverITT"); //$NON-NLS-1$

	}

	public Binary findBinaryForAddress(long address)

	{

		if (this.ittTrace122 == null)

		{

			Function f = this.findFunctionForAddress(address);

			if (f != null)

				return f.functionBinary;

			else 

				return null;

		}

		else

		{

			Function f = this.ittTrace122.getFunctionForAddress(address,this.binaryReader122);

			if (f != null)

				return f.functionBinary;

			else 

				return null;

		}

	}

	public String findFunctionNameForSample(IttSample sample)

	{

		if (this.ittTrace122 == null)

		{

			Binary b = this.decided.findBinaryForSample(sample);

			if (b != null)

			{

				int offset = (int)(sample.programCounter+4-(b.startAddress+b.offsetToCodeStart));

				return this.binReader.getFunctionName(b.binaryName,offset);

			}

			else 

			{

				return Messages.getString("AdvancedMemoryMap.functionForAddressNotFound1")+Long.toHexString(sample.programCounter)+Messages.getString("AdvancedMemoryMap.functionForAddressNotFound2"); //$NON-NLS-1$ //$NON-NLS-2$

			}

		}

		else

		{

			throw new ArrayIndexOutOfBoundsException(Messages.getString("AdvancedMemoryMap.notSupportedInV.1.22")); //$NON-NLS-1$

		}

	}

	public Enumeration getSupportingSamples(Binary b)

	{

		if (this.ittTrace122 == null)

		{

			return this.decided.getSupportingSamplesForBinary(b);

		}

		else

		{

			throw new ArrayIndexOutOfBoundsException(Messages.getString("AdvancedMemoryMap.notSupportedInV.1.22"));			 //$NON-NLS-1$

		}

	}

	public Enumeration getNonSupportingSamples(Binary b)

	{

		if (this.ittTrace122 == null)

		{

			return this.decided.getNonSupportingSamplesForBinary(b);

		}

		else

		{

			throw new ArrayIndexOutOfBoundsException(Messages.getString("AdvancedMemoryMap.notSupportedInV.1.22"));			 //$NON-NLS-1$

		}

	}

	public Binary getBinary(String binaryName)

	{		

		if (this.ittTrace122 == null)

		{

			return this.decided.getBinaryWithName(binaryName);

		}

		else

		{

			throw new ArrayIndexOutOfBoundsException(Messages.getString("AdvancedMemoryMap.notSupportedInV.1.22"));			 //$NON-NLS-1$

		}

	}

	public boolean canResolve() {

		return this.ableToResolve;

	}

}