/*******************************************************************************
* Copyright (c) 2004, 2005 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.jem.internal.instantiation;
/**
* <!-- begin-user-doc -->
* A representation of the model object '<em><b>Prefix Expression</b></em>'.
* <!-- end-user-doc -->
*
* <!-- begin-model-doc -->
* A one operand operator, where the operator comes before the operand, e.g. - (x+3). In AST, even -3 is modeled as a PrefixExpression of operator "-" and expression of NumberLiteral(3). But we optimize this away and just use a NumberLiteral(-3) directly instead.
* <!-- end-model-doc -->
*
* <p>
* The following features are supported:
* <ul>
* <li>{@link org.eclipse.jem.internal.instantiation.PTPrefixExpression#getOperator <em>Operator</em>}</li>
* <li>{@link org.eclipse.jem.internal.instantiation.PTPrefixExpression#getExpression <em>Expression</em>}</li>
* </ul>
* </p>
*
* @see org.eclipse.jem.internal.instantiation.InstantiationPackage#getPTPrefixExpression()
* @model
* @generated
*/
public interface PTPrefixExpression extends PTExpression{
/**
* Returns the value of the '<em><b>Operator</b></em>' attribute.
* The literals are from the enumeration {@link org.eclipse.jem.internal.instantiation.PTPrefixOperator}.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* <!-- begin-model-doc -->
* The operator of this expression.
* <!-- end-model-doc -->
* @return the value of the '<em>Operator</em>' attribute.
* @see org.eclipse.jem.internal.instantiation.PTPrefixOperator
* @see #setOperator(PTPrefixOperator)
* @see org.eclipse.jem.internal.instantiation.InstantiationPackage#getPTPrefixExpression_Operator()
* @model
* @generated
*/
PTPrefixOperator getOperator();
/**
* Sets the value of the '{@link org.eclipse.jem.internal.instantiation.PTPrefixExpression#getOperator <em>Operator</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @param value the new value of the '<em>Operator</em>' attribute.
* @see org.eclipse.jem.internal.instantiation.PTPrefixOperator
* @see #getOperator()
* @generated
*/
void setOperator(PTPrefixOperator value);
/**
* Returns the value of the '<em><b>Expression</b></em>' containment reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* <!-- begin-model-doc -->
* The expression that the operator is applied to.
* <!-- end-model-doc -->
* @return the value of the '<em>Expression</em>' containment reference.
* @see #setExpression(PTExpression)
* @see org.eclipse.jem.internal.instantiation.InstantiationPackage#getPTPrefixExpression_Expression()
* @model containment="true"
* @generated
*/
PTExpression getExpression();
/**
* Sets the value of the '{@link org.eclipse.jem.internal.instantiation.PTPrefixExpression#getExpression <em>Expression</em>}' containment reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @param value the new value of the '<em>Expression</em>' containment reference.
* @see #getExpression()
* @generated
*/
void setExpression(PTExpression value);
} // PrefixExpression