/*
*
* 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 java.util.Collection;
import java.util.EnumSet;
import org.apache.flex.compiler.internal.definitions.FunctionDefinition;
import org.apache.flex.compiler.internal.definitions.ParameterDefinition;
import org.apache.flex.compiler.internal.definitions.SetterDefinition;
import org.apache.flex.compiler.internal.scopes.ASScope;
import org.apache.flex.compiler.internal.semantics.PostProcessStep;
import org.apache.flex.compiler.internal.tree.as.parts.IAccessorFunctionContentsPart;
import org.apache.flex.compiler.parsing.IASToken;
import org.apache.flex.compiler.problems.ICompilerProblem;
import org.apache.flex.compiler.tree.ASTNodeID;
import org.apache.flex.compiler.tree.as.IExpressionNode;
import org.apache.flex.compiler.tree.as.IParameterNode;
import org.apache.flex.compiler.tree.as.ISetterNode;
/**
* ActionScript parse tree node representing a setter definition (e.g. function
* set foo(f:Number):Void)
*/
public class SetterNode extends AccessorNode implements ISetterNode
{
/**
* Constructor.
*
* @param nameNode The node containing the name of the setter.
*/
public SetterNode(IASToken functionKeyword, IASToken setKeyword, IdentifierNode nameNode)
{
super(functionKeyword, setKeyword, nameNode);
}
/**
* Constructor from SWC with a custom content part.
*
* @param node An identifier node specifying the name of the setter.
* @param part An object storing the <code>set</code> keyword.
*/
public SetterNode(IdentifierNode node, IAccessorFunctionContentsPart part)
{
super(node, part);
}
//
// NodeBase overrides
//
@Override
public ASTNodeID getNodeID()
{
return ASTNodeID.SetterID;
}
@Override
protected void analyze(EnumSet<PostProcessStep> set, ASScope scope, Collection<ICompilerProblem> problems)
{
super.analyze(set, scope, problems);
FunctionDefinition definition = getDefinition();
if (definition != null)
{
ParameterDefinition[] parameters = definition.getParameters();
if (parameters != null && parameters.length > 0)
definition.setTypeReference(parameters[0].getTypeReference());
}
}
//
// FunctionNode overrides
//
@Override
protected FunctionDefinition createFunctionDefinition(String name)
{
return new SetterDefinition(name);
}
//
// AccessorNode overrides
//
@Override
public IExpressionNode getAssignedValueNode()
{
return null;
}
//
// IVariableNode implementations
//
@Override
public IExpressionNode getVariableTypeNode()
{
IParameterNode[] arguments = getParameterNodes();
if (arguments.length > 0) // should be true for valid setters
return arguments[0].getVariableTypeNode();
return null;
}
@Override
public String getVariableType()
{
IParameterNode[] arguments = getParameterNodes();
if (arguments.length > 0) // should be true for valid setters
return arguments[0].getVariableType();
return "";
}
@Override
public boolean isConst()
{
return false;
}
}