/*******************************************************************************
* Copyright © 2011, 2013 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*
*******************************************************************************/
package org.eclipse.edt.mof.egl.impl;
import org.eclipse.edt.mof.egl.Expression;
import org.eclipse.edt.mof.egl.NoSuchFunctionError;
import org.eclipse.edt.mof.egl.Operation;
import org.eclipse.edt.mof.egl.Type;
import org.eclipse.edt.mof.egl.UnaryExpression;
import org.eclipse.edt.mof.egl.utils.IRUtils;
public class UnaryExpressionImpl extends ExpressionImpl implements UnaryExpression {
private static int Slot_expression=0;
private static int Slot_operator=1;
private static int Slot_operation=2;
private static int totalSlots = 3;
public static int totalSlots() {
return totalSlots + ExpressionImpl.totalSlots();
}
static {
int offset = ExpressionImpl.totalSlots();
Slot_expression += offset;
Slot_operator += offset;
Slot_operation += offset;
}
@Override
public Expression getExpression() {
return (Expression)slotGet(Slot_expression);
}
@Override
public void setExpression(Expression value) {
slotSet(Slot_expression, value);
}
@Override
public String getOperator() {
return (String)slotGet(Slot_operator);
}
@Override
public void setOperator(String value) {
slotSet(Slot_operator, value);
}
@Override
public Operation getOperation() {
if (slotGet(Slot_operation) == null) {
try {
setOperation(resolveOperation());
} catch (NoSuchFunctionError e) {
throw new RuntimeException(e);
}
}
return (Operation)slotGet(Slot_operation);
}
@Override
public void setOperation(Operation value) {
slotSet(Slot_operation, value);
}
protected Operation resolveOperation() {
Operation op = IRUtils.getUnaryOperation(getExpression().getType().getClassifier(), getOperator());
if (op == null) throw new NoSuchFunctionError();
return op;
}
@Override
public Type getType() {
return getOperation().getType();
}
@Override
public boolean isNullable() {
return getOperation().isNullable();
}
}