/*
*
* 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.mxml;
import org.apache.flex.compiler.common.ISourceLocation;
import org.apache.flex.compiler.constants.IASLanguageConstants;
import org.apache.flex.compiler.definitions.IDefinition;
import org.apache.flex.compiler.definitions.ITypeDefinition;
import org.apache.flex.compiler.internal.parsing.ISourceFragment;
import org.apache.flex.compiler.internal.projects.FlexProject;
import org.apache.flex.compiler.internal.tree.as.MemberAccessExpressionNode;
import org.apache.flex.compiler.internal.tree.as.NodeBase;
import org.apache.flex.compiler.mxml.IMXMLTagData;
import org.apache.flex.compiler.projects.ICompilerProject;
import org.apache.flex.compiler.tree.ASTNodeID;
import org.apache.flex.compiler.tree.as.IExpressionNode;
import org.apache.flex.compiler.tree.mxml.IMXMLClassNode;
/**
* This AST node represents an MXML <Class> tag.
* <p>
* An {@code IMXMLClassNode} has exactly one child node: an
* {@code IExpressionNode} representing a {@code Class} value. It will be either
* an {@code ILiteralNode} or an {@code IMXMLDataBindingExpressionNode}.
*/
class MXMLClassNode extends MXMLExpressionNodeBase implements IMXMLClassNode
{
private static final Object DEFAULT = null;
/**
* Constructor.
*
* @param parent The parent node of this node, or <code>null</code> if there
* is no parent.
*/
MXMLClassNode(NodeBase parent)
{
super(parent);
}
@Override
public ASTNodeID getNodeID()
{
return ASTNodeID.MXMLClassID;
}
@Override
public String getName()
{
return IASLanguageConstants.Class;
}
@Override
public ITypeDefinition getValue(ICompilerProject project)
{
assert getExpressionNode() instanceof IExpressionNode : "getValue() shouldn't be getting called on a non-expression MXMLClassNode";
IExpressionNode expressionNode = (IExpressionNode)getExpressionNode();
if (expressionNode != null)
{
IDefinition d = expressionNode.resolve(project);
if (d instanceof ITypeDefinition)
return (ITypeDefinition)d;
}
return null;
}
@Override
public ExpressionType getExpressionType()
{
return ExpressionType.CLASS;
}
@Override
protected void initializationComplete(MXMLTreeBuilder builder, IMXMLTagData tag,
MXMLNodeInfo info)
{
NodeBase expressionNode = parseExpressionNodeFromFragments(builder, tag, info, DEFAULT);
setExpressionNode(expressionNode);
// Class tags don't require importing the package
if (expressionNode instanceof MemberAccessExpressionNode)
((MemberAccessExpressionNode)expressionNode).setStemAsPackage(true);
// TODO: re-enable - turned off because of CMP-891,
// TODO: we don't get the right type back for references to Classes
// ITypeDefinition classType = builder.getBuiltinType(IASLanguageConstants.Class);
// checkExpressionType(builder, classType);
super.initializationComplete(builder, tag, info);
}
protected void initializeFromFragments(MXMLTreeBuilder builder,
ISourceLocation location,
ISourceFragment[] fragments)
{
setLocation(location);
FlexProject project = builder.getProject();
setClassReference(project, IASLanguageConstants.Class);
ITypeDefinition type = builder.getBuiltinType(getName());
MXMLClassDefinitionNode classNode =
(MXMLClassDefinitionNode)getClassDefinitionNode();
NodeBase expressionNode = builder.parseExpressionNode(
type, fragments, location, FLAGS, DEFAULT, classNode, true);
setExpressionNode(expressionNode);
// The class tag does not require importing the package
if (expressionNode instanceof MemberAccessExpressionNode)
((MemberAccessExpressionNode)expressionNode).setStemAsPackage(true);
// TODO: re-enable - turned off because of CMP-891,
// TODO: we don't get the right type back for references to Classes
// ITypeDefinition classType = builder.getBuiltinType(IASLanguageConstants.Class);
// checkExpressionType(builder, classType);
}
@Override
public void initialize(MXMLTreeBuilder builder, ISourceLocation location,
String type, NodeBase expressionNode)
{
super.initialize(builder, location, type, expressionNode);
// The class tag does not require importing the package
if (expressionNode instanceof MemberAccessExpressionNode)
((MemberAccessExpressionNode)expressionNode).setStemAsPackage(true);
}
}