/*
*
* 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.codegen.externals.pass;
import java.util.List;
import org.apache.flex.compiler.internal.codegen.externals.reference.*;
import com.google.javascript.jscomp.AbstractCompiler;
import com.google.javascript.jscomp.NodeTraversal;
import com.google.javascript.rhino.Node;
/**
* @author: Frederic Thomas Date: 05/07/2015 Time: 18:16
*/
public class CollectImportsPass extends AbstractCompilerPass
{
public CollectImportsPass(final ReferenceModel model, AbstractCompiler compiler)
{
super(model, compiler);
}
@Override
public void process(Node externs, Node root)
{
for (ClassReference reference : model.getClasses())
{
collectClassImports(reference);
}
for (FunctionReference reference : model.getFunctions())
{
collectFunctionImports(reference);
}
}
private void collectClassImports(ClassReference reference)
{
final MethodReference constructor = reference.getConstructor();
final List<ClassReference> superClasses = reference.getSuperClasses();
final List<ClassReference> interfaces = reference.getInterfaces();
final List<ClassReference> extendedInterfaces = reference.getExtendedInterfaces();
final List<FieldReference> fields = reference.getAllFields();
final List<MethodReference> methods = reference.getAllMethods();
for (ClassReference superClass : superClasses)
{
if (model.isExcludedClass(superClass) == null)
{
addClassImport(reference, superClass);
}
}
for (ClassReference _interface : interfaces)
{
if (model.isExcludedClass(_interface) == null)
{
addClassImport(reference, _interface);
}
}
for (ClassReference _interface : extendedInterfaces)
{
if (model.isExcludedClass(_interface) == null)
{
addClassImport(reference, _interface);
}
}
for (FieldReference field : fields)
{
if (field.isExcluded() == null)
{
addClassImport(reference, getType(field));
}
}
if (constructor != null)
{
for (ParameterReference parameterReference : constructor.getParameters())
{
addClassImport(reference, getType(parameterReference));
}
}
for (MethodReference method : methods)
{
if (method.isExcluded() == null)
{
addClassImport(reference, getReturnType(method));
for (ParameterReference parameterReference : method.getParameters())
{
addClassImport(reference, getType(parameterReference));
}
}
}
}
private void addClassImport(final ClassReference thisReference, final ClassReference referenceToImport)
{
if (canImport(referenceToImport))
{
final String thisPackageName = thisReference.getPackageName();
final String importPackageName = referenceToImport.getPackageName();
if (!importPackageName.equals(thisPackageName))
{
thisReference.addImport(referenceToImport);
}
}
}
private void collectFunctionImports(final FunctionReference function)
{
if (function.isExcluded() == null)
{
ClassReference returnType = getReturnType(function);
if (canImport(returnType))
{
function.addImport(returnType);
}
for (ParameterReference parameterReference : function.getParameters())
{
ClassReference type = getType(parameterReference);
if (canImport(type))
{
function.addImport(type);
}
}
}
}
private ClassReference getType(final FieldReference field)
{
return model.getClassReference(field.toTypeString());
}
private ClassReference getReturnType(final MethodReference method)
{
return model.getClassReference(method.transformReturnString());
}
private ClassReference getReturnType(final FunctionReference function)
{
return model.getClassReference(function.transformReturnString());
}
private ClassReference getType(final ParameterReference parameter)
{
return model.getClassReference(parameter.getQualifiedName());
}
private boolean canImport(ClassReference reference)
{
return reference != null && reference.isQualifiedName() && model.isExcludedClass(reference) == null;
}
@Override
public boolean shouldTraverse(final NodeTraversal nodeTraversal, final Node n, final Node parent) {
return false;
}
@Override
public void visit(final NodeTraversal t, final Node n, final Node parent)
{
}
}