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package org.eclipse.emf.ecore.xcore.util;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.eclipse.emf.codegen.ecore.genmodel.GenBase;
import org.eclipse.emf.codegen.ecore.genmodel.GenClass;
import org.eclipse.emf.codegen.ecore.genmodel.GenClassifier;
import org.eclipse.emf.codegen.ecore.genmodel.GenEnum;
import org.eclipse.emf.codegen.ecore.genmodel.GenOperation;
import org.eclipse.emf.codegen.ecore.genmodel.GenPackage;
import org.eclipse.emf.codegen.ecore.genmodel.GenParameter;
import org.eclipse.emf.codegen.ecore.genmodel.GenTypeParameter;
import org.eclipse.emf.common.notify.Notifier;
import org.eclipse.emf.common.util.Diagnostic;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EDataType;
import org.eclipse.emf.ecore.EGenericType;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.ETypeParameter;
import org.eclipse.emf.ecore.util.EcoreValidator;
import org.eclipse.emf.ecore.xcore.XClass;
import org.eclipse.emf.ecore.xcore.XOperation;
import org.eclipse.emf.ecore.xcore.XPackage;
import org.eclipse.emf.ecore.xcore.mappings.XClassMapping;
import org.eclipse.emf.ecore.xcore.mappings.XOperationMapping;
import org.eclipse.emf.ecore.xcore.mappings.XcoreMapper;
import org.eclipse.emf.ecore.xcore.scoping.LazyCreationProxyUriConverter;
import org.eclipse.xtext.common.types.JvmDeclaredType;
import org.eclipse.xtext.common.types.JvmFormalParameter;
import org.eclipse.xtext.common.types.JvmGenericType;
import org.eclipse.xtext.common.types.JvmMember;
import org.eclipse.xtext.common.types.JvmOperation;
import org.eclipse.xtext.common.types.JvmParameterizedTypeReference;
import org.eclipse.xtext.common.types.JvmTypeParameter;
import org.eclipse.xtext.common.types.JvmTypeReference;
import org.eclipse.xtext.common.types.JvmVisibility;
import org.eclipse.xtext.common.types.JvmWildcardTypeReference;
import org.eclipse.xtext.common.types.TypesFactory;
import org.eclipse.xtext.common.types.util.TypeReferences;
import org.eclipse.xtext.naming.IQualifiedNameConverter;
import org.eclipse.xtext.naming.QualifiedName;
import com.google.inject.Inject;
public class XcoreJvmInferrer
{
@Inject
private TypeReferences typeReferences;
@Inject
private LazyCreationProxyUriConverter proxyUriConverter;
@Inject
private IQualifiedNameConverter nameConverter;
@Inject
private XcoreMapper mapper;
// public static void map(EObject eObject, GenBase genBase)
// {
// XcoreEcoreBuilder.map(eObject, genBase);
// }
//
// public static GenBase getGen(EObject eObject)
// {
// return XcoreEcoreBuilder.getGen(eObject);
// }
public List<? extends JvmDeclaredType> getDeclaredTypes(XPackage xPackage)
{
GenPackage genPackage = mapper.getMapping(xPackage).getGenPackage();
return getDeclaredTypes(genPackage);
}
public List<? extends JvmDeclaredType> getDeclaredTypes(GenPackage genPackage)
{
ArrayList<JvmDeclaredType> result = new ArrayList<JvmDeclaredType>();
for (GenClassifier genClassifier : genPackage.getGenClassifiers())
{
result.addAll(getDeclaredTypes(genClassifier));
}
return result;
}
public List<? extends JvmDeclaredType> getDeclaredTypes(GenClassifier genClassifier)
{
ArrayList<JvmDeclaredType> result = new ArrayList<JvmDeclaredType>();
if (genClassifier instanceof GenClass)
{
result.addAll(getDeclaredTypes((GenClass)genClassifier));
}
else if (genClassifier instanceof GenEnum)
{
}
else if (genClassifier instanceof EDataType)
{
}
return result;
}
public List<? extends JvmDeclaredType> getDeclaredTypes(GenClass genClass)
{
ArrayList<JvmDeclaredType> result = new ArrayList<JvmDeclaredType>();
final XClass xClass = mapper.getXClass(genClass);
final XClassMapping mapping = mapper.getMapping(xClass);
if (!genClass.isExternalInterface() && (!genClass.getGenModel().isSuppressInterfaces() || genClass.isInterface()))
{
JvmGenericType jvmGenericType = TypesFactory.eINSTANCE.createJvmGenericType();
mapping.setInterfaceType(jvmGenericType);
mapper.getToXcoreMapping(jvmGenericType).setXcoreElement(xClass);
jvmGenericType.setSimpleName(genClass.getName());
jvmGenericType.setPackageName(genClass.getGenPackage().getInterfacePackageName());
jvmGenericType.setVisibility(JvmVisibility.PUBLIC);
EList<GenTypeParameter> genTypeParameters = genClass.getGenTypeParameters();
if (!genTypeParameters.isEmpty())
{
EList<JvmTypeParameter> typeParameters = jvmGenericType.getTypeParameters();
for (GenTypeParameter genTypeParameter : genTypeParameters)
{
JvmTypeParameter jvmTypeParameter = TypesFactory.eINSTANCE.createJvmTypeParameter();
//TODO
// map(jvmTypeParameter, genTypeParameter);
jvmTypeParameter.setName(genTypeParameter.getName());
typeParameters.add(jvmTypeParameter);
// TODO Need to handle the bounds.
}
}
// TODO should deal with EClass.getEGenericSuperTypes().
EList<JvmTypeReference> superTypes = jvmGenericType.getSuperTypes();
List<String> qualifiedInterfaceExtendsList = genClass.getQualifiedInterfaceExtendsList();
for (String instanceTypeName : qualifiedInterfaceExtendsList)
{
superTypes.add(getJvmTypeReference(instanceTypeName, genClass));
}
EList<JvmMember> members = jvmGenericType.getMembers();
for (GenOperation genOperation : genClass.getDeclaredGenOperations())
{
members.add(getJvmOperation(genOperation));
}
result.add(jvmGenericType);
}
return result;
}
JvmOperation getJvmOperation(GenOperation genOperation)
{
XOperation xOperation = mapper.getXOperation(genOperation);
JvmOperation jvmOperation = TypesFactory.eINSTANCE.createJvmOperation();
mapper.getMapping(xOperation).setJvmOperation(jvmOperation);
mapper.getToXcoreMapping(jvmOperation).setXcoreElement(xOperation);
jvmOperation.setSimpleName(genOperation.getName());
for (GenParameter genParameter : genOperation.getGenParameters())
{
jvmOperation.getParameters().add(getJvmFormalParameter(genParameter));
}
for (EGenericType eGenericException : genOperation.getEcoreOperation().getEGenericExceptions())
{
jvmOperation.getExceptions().add(getJvmTypeReference(eGenericException, genOperation));
}
EGenericType eGenericType = genOperation.getEcoreOperation().getEGenericType();
if (eGenericType != null)
{
jvmOperation.setReturnType(getJvmTypeReference(eGenericType, genOperation));
}
EList<GenTypeParameter> genTypeParameters = genOperation.getGenTypeParameters();
if (!genTypeParameters.isEmpty())
{
EList<JvmTypeParameter> typeParameters = jvmOperation.getTypeParameters();
for (GenTypeParameter genTypeParameter : genTypeParameters)
{
JvmTypeParameter jvmTypeParameter = TypesFactory.eINSTANCE.createJvmTypeParameter();
//TODO
// map(jvmTypeParameter, genTypeParameter);
jvmTypeParameter.setName(genTypeParameter.getName());
typeParameters.add(jvmTypeParameter);
// TODO Need to handle the bounds.
}
}
return jvmOperation;
}
JvmFormalParameter getJvmFormalParameter(GenParameter genParameter)
{
JvmFormalParameter jvmFormalParameter = TypesFactory.eINSTANCE.createJvmFormalParameter();
//TODO
// map(jvmFormalParameter, genParameter);
jvmFormalParameter.setName(genParameter.getName());
jvmFormalParameter.setParameterType(getJvmTypeReference(genParameter.getEcoreParameter().getEGenericType(), genParameter));
return jvmFormalParameter;
}
JvmTypeReference getJvmTypeReference(String instanceTypeName, EObject context)
{
Diagnostic diagnostic = EcoreValidator.EGenericTypeBuilder.INSTANCE.parseInstanceTypeName(instanceTypeName);
return getJvmTypeReference((EGenericType)diagnostic.getData().get(0), context);
}
JvmTypeReference getJvmTypeReference(EGenericType eGenericType, EObject context)
{
EClassifier eClassifier = eGenericType.getEClassifier();
if (eClassifier == null)
{
ETypeParameter eTypeParameter = eGenericType.getETypeParameter();
if (eTypeParameter == null)
{
JvmWildcardTypeReference jvmWildcardTypeReference = TypesFactory.eINSTANCE.createJvmWildcardTypeReference();
// TODO Needs the bounds.
return jvmWildcardTypeReference;
}
else
{
QualifiedName qualifiedName = QualifiedName.create(eTypeParameter.getName());
JvmGenericType jvmGenericType = TypesFactory.eINSTANCE.createJvmGenericType();
proxyUriConverter.installProxyURI(context.eResource().getURI(), jvmGenericType, qualifiedName);
JvmParameterizedTypeReference jvmParameterizedTypeReference = TypesFactory.eINSTANCE.createJvmParameterizedTypeReference();
jvmParameterizedTypeReference.setType(jvmGenericType);
return jvmParameterizedTypeReference;
}
}
else
{
List<JvmTypeReference> arguments = getJvmTypeReferences(eGenericType.getETypeArguments(), context);
String instanceTypeName = eClassifier.getInstanceTypeName();
QualifiedName qualifiedName = nameConverter.toQualifiedName(instanceTypeName);
JvmGenericType jvmGenericType = TypesFactory.eINSTANCE.createJvmGenericType();
proxyUriConverter.installProxyURI(context.eResource().getURI(), jvmGenericType, qualifiedName);
JvmParameterizedTypeReference jvmParameterizedTypeReference = TypesFactory.eINSTANCE.createJvmParameterizedTypeReference();
jvmParameterizedTypeReference.setType(jvmGenericType);
jvmParameterizedTypeReference.getArguments().addAll(arguments);
return jvmParameterizedTypeReference;
}
}
List<JvmTypeReference> getJvmTypeReferences(List<EGenericType> eGenericTypes, EObject context)
{
if (eGenericTypes.isEmpty())
{
return Collections.emptyList();
}
else
{
List<JvmTypeReference> result = new ArrayList<JvmTypeReference>();
for (EGenericType eGenericType : eGenericTypes)
{
result.add(getJvmTypeReference(eGenericType, context));
}
return result;
}
}
}
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