OoasTools

/**

  *

  *                      OOAS Compiler

  *

  *       Copyright 2015, AIT Austrian Institute of Technology.

  * This code is based on the C# Version of the OOAS Compiler, which is

  * copyright 2015 by the Institute of Software Technology, Graz University

  * of Technology with portions copyright by the AIT Austrian Institute of

  * Technology. All rights reserved.

  *

  * SEE THE "LICENSE" FILE FOR THE TERMS UNDER WHICH THIS FILE IS PROVIDED.

  *

  * If you modify the file please update the list of contributors below to in-

  * clude your name. Please also stick to the coding convention of using TABs

  * to do the basic (block-level) indentation and spaces for anything after

  * that. (Enable the display of special chars and it should be pretty obvious

  * what this means.) Also, remove all trailing whitespace.

  *

  * Contributors:

  *               Willibald Krenn (AIT)

  *               Stephan Zimmerer (AIT)

  *               Markus Demetz (AIT)

  *               Christoph Czurda (AIT)

  *

  */

package org.momut.ooas.ast.types;

import java.util.ArrayList;

import org.momut.ooas.utils.exceptions.InternalCompilerException;

public class OoActionSystemType extends UlyssesType implements IScope

{

	private final boolean m_autoCons;

	private OoActionSystemType m_baseType;

	private Block m_doOdBlock;

	private IScope m_parentScope;

	private final SymbolTable m_symbols;

	private final ArrayList<OoActionSystemInstance> m_objects;

	private final ArrayList<OoActionSystemInstance> m_derivedObjects;

	private boolean m_isInSystemDescription;

	public Block doOdBlock() { return m_doOdBlock; }

	public boolean autoConstruction() { return m_autoCons; }

	public OoActionSystemType baseType() { return m_baseType; }

	public SymbolTable symbols() { return m_symbols; }

	public ArrayList<OoActionSystemInstance> objects() { return m_objects; }

	public ArrayList<OoActionSystemInstance> derivedObjects() { return m_derivedObjects; }

	public boolean isInSystemDescription() { return m_isInSystemDescription; }

	public OoActionSystemType(

			boolean autoCons,

			OoActionSystemType refinedSystem,

			TypeIdentifier typeName)

	{

		super(TypeKind.OoActionSystemType, typeName);

		m_symbols = new SymbolTable();

		m_autoCons = autoCons;

		m_baseType = refinedSystem;

		m_objects = new ArrayList<OoActionSystemInstance>();

		m_derivedObjects = new ArrayList<OoActionSystemInstance>();

		m_isInSystemDescription = false;

	}

	public final void SetDoOdBlock(Block anArg)

	{

		m_doOdBlock = anArg;

		if (anArg.GetParentScope() == null)

			anArg.SetParentScope(this);

		else if (anArg.GetParentScope() != this)

			throw new InternalCompilerException("Internal Error: Do-Od block has different parent set.");

	}

	@Override

	public IScope GetParentScope()

	{

		return m_parentScope;

	}

	@Override

	public void SetParentScope(IScope parentScope)

	{

		m_parentScope = parentScope;

	}

	public Identifier ResolveLocal(String aName)

	{

		if (m_symbols.Defined(aName))

			return m_symbols.Get(aName);

		else

			return null;

	}

	@Override

	public Identifier ResolveIdentifier(String aName)

	{

		Identifier result = ResolveLocal(aName);

		if ((result == null) && (m_baseType != null))

			result = m_baseType.ResolveIdentifier(aName);

		return result;

	}

	@Override

	public void AddIdentifier(Identifier anIdentifier, Object tag)

	{

		m_symbols.AddIdentifier(anIdentifier);

	}

	@Override

	public void Accept(IAstVisitor visitor)

	{

		visitor.visit(this);

	}

	public void SetBaseType(OoActionSystemType newType)

	{

		if (newType == null)

			throw new ArgumentException();

		m_baseType = newType;

	}

	public SymbolTable getAllSymbols()

	{

		OoActionSystemType system;

		final ArrayList<OoActionSystemType> inheritance = new ArrayList<OoActionSystemType>();

		system = this;

		while (system != null)

		{

			inheritance.add(0, system);

			system = system.baseType();

		}

		final SymbolTable result = new SymbolTable();

		for (final OoActionSystemType ooas: inheritance)

			result.AddSymbolTable(ooas.symbols());

		result.Replace("self", this.symbols().Get("self"));

		return result;

	}

	@Override

	public /*override*/ String AnonymousName()

	{

		return String.format("class_%s", Math.abs((long) this.hashCode())); //FIXME: should be unit!

	}

	public final void SetIsInSystemDescription(boolean p)

	{

		m_isInSystemDescription = p;

	}

	@Override

	public int valueCount() {

		return m_objects.size() + m_derivedObjects.size() + 1;

	}

}