plugins/org.eclipse.dltk.javascript.core/src/org/eclipse/dltk/javascript/typeinfo/model/impl/FunctionTypeImpl.java

/**
 * Copyright (c) 2011 NumberFour AG
 * 
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 * 
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Contributors:
 *     NumberFour AG - initial API and Implementation (Alex Panchenko)
 */
package org.eclipse.dltk.javascript.typeinfo.model.impl;

import java.util.Collection;

import org.eclipse.dltk.javascript.typeinfo.IRType;
import org.eclipse.dltk.javascript.typeinfo.ITypeSystem;
import org.eclipse.dltk.javascript.typeinfo.RModelBuilder;
import org.eclipse.dltk.javascript.typeinfo.RTypes;
import org.eclipse.dltk.javascript.typeinfo.model.FunctionType;
import org.eclipse.dltk.javascript.typeinfo.model.JSType;
import org.eclipse.dltk.javascript.typeinfo.model.Parameter;
import org.eclipse.dltk.javascript.typeinfo.model.TypeInfoModelPackage;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Function Type</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.dltk.javascript.typeinfo.model.impl.FunctionTypeImpl#getReturnType <em>Return Type</em>}</li>
 *   <li>{@link org.eclipse.dltk.javascript.typeinfo.model.impl.FunctionTypeImpl#getParameters <em>Parameters</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class FunctionTypeImpl extends MinimalEObjectImpl implements FunctionType {
    /**
     * The cached value of the '{@link #getReturnType() <em>Return Type</em>}' containment reference.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getReturnType()
     * @generated
     * @ordered
     */
    protected JSType returnType;

    /**
     * The cached value of the '{@link #getParameters() <em>Parameters</em>}' containment reference list.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getParameters()
     * @generated
     * @ordered
     */
    protected EList<Parameter> parameters;

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

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

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public JSType getReturnType() {
        return returnType;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public NotificationChain basicSetReturnType(JSType newReturnType, NotificationChain msgs) {
        JSType oldReturnType = returnType;
        returnType = newReturnType;
        if (eNotificationRequired()) {
            ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, TypeInfoModelPackage.FUNCTION_TYPE__RETURN_TYPE, oldReturnType, newReturnType);
            if (msgs == null) msgs = notification; else msgs.add(notification);
        }
        return msgs;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void setReturnType(JSType newReturnType) {
        if (newReturnType != returnType) {
            NotificationChain msgs = null;
            if (returnType != null)
                msgs = ((InternalEObject)returnType).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - TypeInfoModelPackage.FUNCTION_TYPE__RETURN_TYPE, null, msgs);
            if (newReturnType != null)
                msgs = ((InternalEObject)newReturnType).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - TypeInfoModelPackage.FUNCTION_TYPE__RETURN_TYPE, null, msgs);
            msgs = basicSetReturnType(newReturnType, msgs);
            if (msgs != null) msgs.dispatch();
        }
        else if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET, TypeInfoModelPackage.FUNCTION_TYPE__RETURN_TYPE, newReturnType, newReturnType));
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public EList<Parameter> getParameters() {
        if (parameters == null) {
            parameters = new EObjectContainmentEList<Parameter>(Parameter.class, this, TypeInfoModelPackage.FUNCTION_TYPE__PARAMETERS);
        }
        return parameters;
    }

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated NOT
	 */
    public String getName() {
		final StringBuilder sb = new StringBuilder();
		sb.append("function");
		printParameters(sb);
		if (returnType != null) {
			sb.append(":");
			sb.append(returnType.getName());
		}
		return sb.toString();
    }

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated NOT
	 */
	public IRType toRType(ITypeSystem typeSystem) {
		return RTypes.functionType(typeSystem,
				RModelBuilder.convert(typeSystem, getParameters()),
				RTypes.create(typeSystem, getReturnType()));
	}

	protected void printParameters(StringBuilder sb) {
		sb.append("(");
		if (parameters != null) {
			boolean first = true;
			for (Parameter parameter : parameters) {
				if (!first) {
					sb.append(",");
				}
				first = false;
				if (parameter.getName() != null) {
					sb.append(parameter.getName());
					sb.append(":");
				}
				sb.append(parameter.getType() != null ? parameter.getType()
						.getName() : "*");
			}
		}
		sb.append(")");
	}

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
        switch (featureID) {
            case TypeInfoModelPackage.FUNCTION_TYPE__RETURN_TYPE:
                return basicSetReturnType(null, msgs);
            case TypeInfoModelPackage.FUNCTION_TYPE__PARAMETERS:
                return ((InternalEList<?>)getParameters()).basicRemove(otherEnd, msgs);
        }
        return super.eInverseRemove(otherEnd, featureID, msgs);
    }

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

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @SuppressWarnings("unchecked")
    @Override
    public void eSet(int featureID, Object newValue) {
        switch (featureID) {
            case TypeInfoModelPackage.FUNCTION_TYPE__RETURN_TYPE:
                setReturnType((JSType)newValue);
                return;
            case TypeInfoModelPackage.FUNCTION_TYPE__PARAMETERS:
                getParameters().clear();
                getParameters().addAll((Collection<? extends Parameter>)newValue);
                return;
        }
        super.eSet(featureID, newValue);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public void eUnset(int featureID) {
        switch (featureID) {
            case TypeInfoModelPackage.FUNCTION_TYPE__RETURN_TYPE:
                setReturnType((JSType)null);
                return;
            case TypeInfoModelPackage.FUNCTION_TYPE__PARAMETERS:
                getParameters().clear();
                return;
        }
        super.eUnset(featureID);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public boolean eIsSet(int featureID) {
        switch (featureID) {
            case TypeInfoModelPackage.FUNCTION_TYPE__RETURN_TYPE:
                return returnType != null;
            case TypeInfoModelPackage.FUNCTION_TYPE__PARAMETERS:
                return parameters != null && !parameters.isEmpty();
        }
        return super.eIsSet(featureID);
    }

} //FunctionTypeImpl