ExprVarImpl.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package net.sf.orcc.ir.impl;

import net.sf.orcc.ir.ExprVar;
import net.sf.orcc.ir.IrPackage;
import net.sf.orcc.ir.Type;
import net.sf.orcc.ir.Use;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;

/**
 * <!-- begin-user-doc --> An implementation of the model object '
 * <em><b>Expr Var</b></em>'. <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link net.sf.orcc.ir.impl.ExprVarImpl#getUse <em>Use</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ExprVarImpl extends ExpressionImpl implements ExprVar {

	/**
	 * The cached value of the '{@link #getUse() <em>Use</em>}' containment reference.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #getUse()
	 * @generated
	 * @ordered
	 */
	protected Use use;

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	protected ExprVarImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetUse(Use newUse, NotificationChain msgs) {
		Use oldUse = use;
		use = newUse;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this,
					Notification.SET, IrPackage.EXPR_VAR__USE, oldUse, newUse);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
		case IrPackage.EXPR_VAR__USE:
			return getUse();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
		case IrPackage.EXPR_VAR__USE:
			return basicSetUse(null, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
		case IrPackage.EXPR_VAR__USE:
			return use != null;
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
		case IrPackage.EXPR_VAR__USE:
			setUse((Use) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return IrPackage.Literals.EXPR_VAR;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case IrPackage.EXPR_VAR__USE:
			setUse((Use) null);
			return;
		}
		super.eUnset(featureID);
	}

	@Override
	public Type getType() {
		return use.getVariable().getType();
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public Use getUse() {
		return use;
	}

	@Override
	public boolean isExprVar() {
		return true;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void setUse(Use newUse) {
		if (newUse != use) {
			NotificationChain msgs = null;
			if (use != null)
				msgs = ((InternalEObject) use).eInverseRemove(this,
						EOPPOSITE_FEATURE_BASE - IrPackage.EXPR_VAR__USE, null,
						msgs);
			if (newUse != null)
				msgs = ((InternalEObject) newUse).eInverseAdd(this,
						EOPPOSITE_FEATURE_BASE - IrPackage.EXPR_VAR__USE, null,
						msgs);
			msgs = basicSetUse(newUse, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					IrPackage.EXPR_VAR__USE, newUse, newUse));
	}

} // ExprVarImpl