/**
* Copyright (c) 2014 committers of YAKINDU and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
* Contributors:
* committers of YAKINDU - initial API and implementation
*
*/
package org.yakindu.base.types.typesystem;
import java.util.Collection;
import java.util.List;
import org.yakindu.base.types.Operation;
import org.yakindu.base.types.Property;
import org.yakindu.base.types.Type;
/**
* A Implementation of {@link ITypeSystem} defines all existing types and the
* type compatibility.
*
* @author andreas muelder - Initial contribution and API
*
*/
public interface ITypeSystem {
public static final String STRING = "string";
public static final String REAL = "real";
public static final String INTEGER = "integer";
public static final String BOOLEAN = "boolean";
public static final String VOID = "void";
public static final String NULL = "null";
public static final String ANY = "any";
public Collection<Type> getTypes();
public Collection<Type> getConcreteTypes();
public Type getType(String name);
public boolean isSame(Type type1, Type type2);
public boolean haveCommonType(Type type1, Type type2);
public Type getCommonType(Type type1, Type type2);
public boolean haveCommonTypeWithConversion(Type type1, Type type2);
public Type getCommonTypeWithConversion(Type type1, Type type2);
public List<Type> getSuperTypes(Type type);
public boolean isSuperType(Type subtype, Type supertype);
public boolean isBuiltInType(Type type);
public List<Operation> getOperationExtensions(Type type);
public List<Property> getPropertyExtensions(Type type);
public boolean isExtensionOperation(Operation op);
public boolean isExtensionProperty(Property prop);
}