/*
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (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.apache.org/licenses/LICENSE-2.0
*
* 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 org.apache.flex.compiler.internal.tree.as;
import org.apache.flex.compiler.internal.parsing.as.ASTokenTypes;
import org.apache.flex.compiler.parsing.IASToken;
import org.apache.flex.compiler.tree.ASTNodeID;
import org.apache.flex.compiler.tree.as.IASNode;
import org.apache.flex.compiler.tree.as.ITerminalNode;
/**
* Represents a terminal expression in a conditional node. A terminal node is
* the last path in a conditional that can be reached.
*/
public class TerminalNode extends BaseStatementNode implements ITerminalNode
{
/**
* Constructor.
*
* @param token The token representing the <code>else</code>,
* <code>default</code>, or <code>finally</code> keyword.
*/
public TerminalNode(IASToken token)
{
super();
startBefore(token);
endAfter(token);
switch (token.getType())
{
case ASTokenTypes.TOKEN_KEYWORD_FINALLY:
{
kind = TerminalKind.FINALLY;
break;
}
case ASTokenTypes.TOKEN_KEYWORD_DEFAULT:
{
kind = TerminalKind.DEFAULT;
break;
}
case ASTokenTypes.TOKEN_KEYWORD_ELSE:
{
kind = TerminalKind.ELSE;
break;
}
}
}
/**
* The type of terminal node this represents.
*/
protected TerminalKind kind;
//
// NodeBase overrides
//
@Override
public ASTNodeID getNodeID()
{
switch (kind)
{
case FINALLY:
return ASTNodeID.FinallyID;
case DEFAULT:
return ASTNodeID.DefaultID;
case ELSE:
return ASTNodeID.ElseID;
}
return ASTNodeID.TerminalID;
}
@Override
public int getChildCount()
{
return (contentsNode != null) ? 1 : 0;
}
@Override
public IASNode getChild(int i)
{
if (i == 0)
return contentsNode;
return null;
}
//
// ITerminalNode implementations
//
@Override
public TerminalKind getKind()
{
return kind;
}
}