/*
* Copyright (c) 2012, the Dart project authors.
*
* Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.eclipse.org/legal/epl-v10.html
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.dart.tools.debug.core.util;
import com.google.dart.tools.debug.core.expr.IExpressionEvaluator;
import org.eclipse.debug.core.model.IValue;
/**
* A sub-class of IValue that adds additional meta-information about the value.
*/
public interface IDartDebugValue extends IValue, IExpressionEvaluator {
/**
* @return a user-presentable id for this value
*/
public String getId();
/**
* Returns the list length, if isListValue() is true.
*/
public int getListLength();
/**
* @return whether this value represents a list
*/
public boolean isListValue();
/**
* @return whether this value represents a null value
*/
public boolean isNull();
/**
* @return whether this value represents a primitive type
*/
public boolean isPrimitive();
/**
* Clears out any cached information about this value's fields.
*/
public void reset();
}