org.eclipse.jdt.core/apt/org/eclipse/jdt/internal/compiler/apt/model/TypeElementImpl.java - aspectj/org.aspectj.shadows - Git at Google

 /*******************************************************************************
  * Copyright (c) 2005, 2011 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.jdt.internal.compiler.apt.model;

 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Set;

 import javax.lang.model.SourceVersion;
 import javax.lang.model.element.Element;
 import javax.lang.model.element.ElementKind;
 import javax.lang.model.element.ElementVisitor;
 import javax.lang.model.element.ExecutableElement;
 import javax.lang.model.element.Modifier;
 import javax.lang.model.element.Name;
 import javax.lang.model.element.NestingKind;
 import javax.lang.model.element.PackageElement;
 import javax.lang.model.element.TypeElement;
 import javax.lang.model.element.TypeParameterElement;
 import javax.lang.model.element.VariableElement;
 import javax.lang.model.type.TypeKind;
 import javax.lang.model.type.TypeMirror;

 import org.eclipse.jdt.core.compiler.CharOperation;
 import org.eclipse.jdt.internal.compiler.apt.dispatch.BaseProcessingEnvImpl;
 import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
 import org.eclipse.jdt.internal.compiler.lookup.AnnotationBinding;
 import org.eclipse.jdt.internal.compiler.lookup.FieldBinding;
 import org.eclipse.jdt.internal.compiler.lookup.MethodBinding;
 import org.eclipse.jdt.internal.compiler.lookup.PackageBinding;
 import org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding;
 import org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
 import org.eclipse.jdt.internal.compiler.lookup.TypeVariableBinding;

 public class TypeElementImpl extends ElementImpl implements TypeElement {

 	private final ElementKind _kindHint;

 	/**
 	 * In general, clients should call {@link Factory#newDeclaredType(ReferenceBinding)} or
 	 * {@link Factory#newElement(org.eclipse.jdt.internal.compiler.lookup.Binding)} to
 	 * create new instances.
 	 */
 	TypeElementImpl(BaseProcessingEnvImpl env, ReferenceBinding binding, ElementKind kindHint) {
 		super(env, binding);
 		_kindHint = kindHint;
 	}

 	@Override
 	public <R, P> R accept(ElementVisitor<R, P> v, P p)
 	{
 		return v.visitType(this, p);
 	}

 	@Override
 	protected AnnotationBinding[] getAnnotationBindings()
 	{
 		return ((ReferenceBinding)_binding).getAnnotations();
 	}

 	@Override
 	public List<? extends Element> getEnclosedElements() {
 		ReferenceBinding binding = (ReferenceBinding)_binding;
 		List<Element> enclosed = new ArrayList<Element>(binding.fieldCount() + binding.methods().length);
 		for (MethodBinding method : binding.methods()) {
 			ExecutableElement executable = new ExecutableElementImpl(_env, method);
 			enclosed.add(executable);
 		}
 		for (FieldBinding field : binding.fields()) {
 			// TODO no field should be excluded according to the JLS
 			if (!field.isSynthetic()) {
 				 VariableElement variable = new VariableElementImpl(_env, field);
 				 enclosed.add(variable);
 			}
 		}
 		for (ReferenceBinding memberType : binding.memberTypes()) {
 			TypeElement type = new TypeElementImpl(_env, memberType, null);
 			enclosed.add(type);
 		}
 		return Collections.unmodifiableList(enclosed);
 	}

 	@Override
 	public Element getEnclosingElement() {
 		ReferenceBinding binding = (ReferenceBinding)_binding;
 		ReferenceBinding enclosingType = binding.enclosingType();
 		if (null == enclosingType) {
 			// this is a top level type; get its package
 			return _env.getFactory().newPackageElement(binding.fPackage);
 		}
 		else {
 			return _env.getFactory().newElement(binding.enclosingType());
 		}
 	}

 	@Override
 	public String getFileName() {
 		char[] name = ((ReferenceBinding)_binding).getFileName();
 		if (name == null)
 			return null;
 		return new String(name);
 	}

 	@Override
 	public List<? extends TypeMirror> getInterfaces() {
 		ReferenceBinding binding = (ReferenceBinding)_binding;
 		if (null == binding.superInterfaces() || binding.superInterfaces().length == 0) {
 			return Collections.emptyList();
 		}
 		List<TypeMirror> interfaces = new ArrayList<TypeMirror>(binding.superInterfaces().length);
 		for (ReferenceBinding interfaceBinding : binding.superInterfaces()) {
 			TypeMirror interfaceType = _env.getFactory().newTypeMirror(interfaceBinding);
 			if (interfaceType.getKind() == TypeKind.ERROR) {
 				if (this._env.getSourceVersion().compareTo(SourceVersion.RELEASE_6) > 0) {
 					// for jdk 7 and above, add error types
 					interfaces.add(interfaceType);
 				}
 			} else {
 				interfaces.add(interfaceType);
 			}
 		}
 		return Collections.unmodifiableList(interfaces);
 	}

 	@Override
 	public ElementKind getKind() {
 		if (null != _kindHint) {
 			return _kindHint;
 		}
 		ReferenceBinding refBinding = (ReferenceBinding)_binding;
 		// The order of these comparisons is important: e.g., enum is subset of class
 		if (refBinding.isEnum()) {
 			return ElementKind.ENUM;
 		}
 		else if (refBinding.isAnnotationType()) {
 			return ElementKind.ANNOTATION_TYPE;
 		}
 		else if (refBinding.isInterface()) {
 			return ElementKind.INTERFACE;
 		}
 		else if (refBinding.isClass()) {
 			return ElementKind.CLASS;
 		}
 		else {
 			throw new IllegalArgumentException("TypeElement " + new String(refBinding.shortReadableName()) +  //$NON-NLS-1$
 					" has unexpected attributes " + refBinding.modifiers); //$NON-NLS-1$
 		}
 	}

 	@Override
 	public Set<Modifier> getModifiers()
 	{
 		ReferenceBinding refBinding = (ReferenceBinding)_binding;
 		int modifiers = refBinding.modifiers;
 		if (refBinding.isInterface() && refBinding.isNestedType()) {
 			modifiers |= ClassFileConstants.AccStatic;
 		}
 		return Factory.getModifiers(modifiers, getKind(), refBinding.isBinaryBinding());
 	}

 	@Override
 	public NestingKind getNestingKind() {
 		ReferenceBinding refBinding = (ReferenceBinding)_binding;
 		if (refBinding.isAnonymousType()) {
 			return NestingKind.ANONYMOUS;
 		} else if (refBinding.isLocalType()) {
 			return NestingKind.LOCAL;
 		} else if (refBinding.isMemberType()) {
 			return NestingKind.MEMBER;
 		}
 		return NestingKind.TOP_LEVEL;
 	}

 	@Override
 	PackageElement getPackage()
 	{
 		ReferenceBinding binding = (ReferenceBinding)_binding;
 		return _env.getFactory().newPackageElement((PackageBinding)binding.fPackage);
 	}

 	@Override
 	public Name getQualifiedName() {
 		ReferenceBinding binding = (ReferenceBinding)_binding;
 		char[] qName;
 		if (binding.isMemberType()) {
 			qName = CharOperation.concatWith(binding.enclosingType().compoundName, binding.sourceName, '.');
 			CharOperation.replace(qName, '$', '.');
 		} else {
 			qName = CharOperation.concatWith(binding.compoundName, '.');
 		}
 		return new NameImpl(qName);
 	}

 	/*
 	 * (non-Javadoc)
 	 * @see org.eclipse.jdt.internal.compiler.apt.model.ElementImpl#getSimpleName()
 	 * @return last segment of name, e.g. for pa.pb.X.Y return Y.
 	 */
 	@Override
 	public Name getSimpleName()
 	{
 		ReferenceBinding binding = (ReferenceBinding)_binding;
 		return new NameImpl(binding.sourceName());
 	}

 	@Override
 	public TypeMirror getSuperclass() {
 		ReferenceBinding binding = (ReferenceBinding)_binding;
 		ReferenceBinding superBinding = binding.superclass();
 		if (null == superBinding || binding.isInterface()) {
 			return _env.getFactory().getNoType(TypeKind.NONE);
 		}
 		// superclass of a type must be a DeclaredType
 		return _env.getFactory().newTypeMirror(superBinding);
 	}

 	@Override
 	public List<? extends TypeParameterElement> getTypeParameters() {
 		ReferenceBinding binding = (ReferenceBinding)_binding;
 		TypeVariableBinding[] variables = binding.typeVariables();
 		if (variables.length == 0) {
 			return Collections.emptyList();
 		}
 		List<TypeParameterElement> params = new ArrayList<TypeParameterElement>(variables.length);
 		for (TypeVariableBinding variable : variables) {
 			params.add(_env.getFactory().newTypeParameterElement(variable, this));
 		}
 		return Collections.unmodifiableList(params);
 	}

 	@Override
 	public boolean hides(Element hidden)
 	{
 		if (!(hidden instanceof TypeElementImpl)) {
 			return false;
 		}
 		ReferenceBinding hiddenBinding = (ReferenceBinding)((TypeElementImpl)hidden)._binding;
 		if (hiddenBinding.isPrivate()) {
 			return false;
 		}
 		ReferenceBinding hiderBinding = (ReferenceBinding)_binding;
 		if (TypeBinding.equalsEquals(hiddenBinding, hiderBinding)) {
 			return false;
 		}
 		if (!hiddenBinding.isMemberType() || !hiderBinding.isMemberType()) {
 			return false;
 		}
 		if (!CharOperation.equals(hiddenBinding.sourceName, hiderBinding.sourceName)) {
 			return false;
 		}
 		return null != hiderBinding.enclosingType().findSuperTypeOriginatingFrom(hiddenBinding.enclosingType());
 	}

 	@Override
 	public String toString() {
 		ReferenceBinding binding = (ReferenceBinding) this._binding;
 		char[] concatWith = CharOperation.concatWith(binding.compoundName, '.');
 		if (binding.isNestedType()) {
 			CharOperation.replace(concatWith, '$', '.');
 			return new String(concatWith);
 		}
 		return new String(concatWith);

 	}

 }
	/*******************************************************************************
	* Copyright (c) 2005, 2011 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.jdt.internal.compiler.apt.model;

	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.List;
	import java.util.Set;

	import javax.lang.model.SourceVersion;
	import javax.lang.model.element.Element;
	import javax.lang.model.element.ElementKind;
	import javax.lang.model.element.ElementVisitor;
	import javax.lang.model.element.ExecutableElement;
	import javax.lang.model.element.Modifier;
	import javax.lang.model.element.Name;
	import javax.lang.model.element.NestingKind;
	import javax.lang.model.element.PackageElement;
	import javax.lang.model.element.TypeElement;
	import javax.lang.model.element.TypeParameterElement;
	import javax.lang.model.element.VariableElement;
	import javax.lang.model.type.TypeKind;
	import javax.lang.model.type.TypeMirror;

	import org.eclipse.jdt.core.compiler.CharOperation;
	import org.eclipse.jdt.internal.compiler.apt.dispatch.BaseProcessingEnvImpl;
	import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
	import org.eclipse.jdt.internal.compiler.lookup.AnnotationBinding;
	import org.eclipse.jdt.internal.compiler.lookup.FieldBinding;
	import org.eclipse.jdt.internal.compiler.lookup.MethodBinding;
	import org.eclipse.jdt.internal.compiler.lookup.PackageBinding;
	import org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding;
	import org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
	import org.eclipse.jdt.internal.compiler.lookup.TypeVariableBinding;

	public class TypeElementImpl extends ElementImpl implements TypeElement {

	private final ElementKind _kindHint;

	/**
	* In general, clients should call {@link Factory#newDeclaredType(ReferenceBinding)} or
	* {@link Factory#newElement(org.eclipse.jdt.internal.compiler.lookup.Binding)} to
	* create new instances.
	*/
	TypeElementImpl(BaseProcessingEnvImpl env, ReferenceBinding binding, ElementKind kindHint) {
	super(env, binding);
	_kindHint = kindHint;
	}

	@Override
	public <R, P> R accept(ElementVisitor<R, P> v, P p)
	{
	return v.visitType(this, p);
	}

	@Override
	protected AnnotationBinding[] getAnnotationBindings()
	{
	return ((ReferenceBinding)_binding).getAnnotations();
	}

	@Override
	public List<? extends Element> getEnclosedElements() {
	ReferenceBinding binding = (ReferenceBinding)_binding;
	List<Element> enclosed = new ArrayList<Element>(binding.fieldCount() + binding.methods().length);
	for (MethodBinding method : binding.methods()) {
	ExecutableElement executable = new ExecutableElementImpl(_env, method);
	enclosed.add(executable);
	}
	for (FieldBinding field : binding.fields()) {
	// TODO no field should be excluded according to the JLS
	if (!field.isSynthetic()) {
	VariableElement variable = new VariableElementImpl(_env, field);
	enclosed.add(variable);
	}
	}
	for (ReferenceBinding memberType : binding.memberTypes()) {
	TypeElement type = new TypeElementImpl(_env, memberType, null);
	enclosed.add(type);
	}
	return Collections.unmodifiableList(enclosed);
	}

	@Override
	public Element getEnclosingElement() {
	ReferenceBinding binding = (ReferenceBinding)_binding;
	ReferenceBinding enclosingType = binding.enclosingType();
	if (null == enclosingType) {
	// this is a top level type; get its package
	return _env.getFactory().newPackageElement(binding.fPackage);
	}
	else {
	return _env.getFactory().newElement(binding.enclosingType());
	}
	}

	@Override
	public String getFileName() {
	char[] name = ((ReferenceBinding)_binding).getFileName();
	if (name == null)
	return null;
	return new String(name);
	}

	@Override
	public List<? extends TypeMirror> getInterfaces() {
	ReferenceBinding binding = (ReferenceBinding)_binding;
	if (null == binding.superInterfaces() \|\| binding.superInterfaces().length == 0) {
	return Collections.emptyList();
	}
	List<TypeMirror> interfaces = new ArrayList<TypeMirror>(binding.superInterfaces().length);
	for (ReferenceBinding interfaceBinding : binding.superInterfaces()) {
	TypeMirror interfaceType = _env.getFactory().newTypeMirror(interfaceBinding);
	if (interfaceType.getKind() == TypeKind.ERROR) {
	if (this._env.getSourceVersion().compareTo(SourceVersion.RELEASE_6) > 0) {
	// for jdk 7 and above, add error types
	interfaces.add(interfaceType);
	}
	} else {
	interfaces.add(interfaceType);
	}
	}
	return Collections.unmodifiableList(interfaces);
	}

	@Override
	public ElementKind getKind() {
	if (null != _kindHint) {
	return _kindHint;
	}
	ReferenceBinding refBinding = (ReferenceBinding)_binding;
	// The order of these comparisons is important: e.g., enum is subset of class
	if (refBinding.isEnum()) {
	return ElementKind.ENUM;
	}
	else if (refBinding.isAnnotationType()) {
	return ElementKind.ANNOTATION_TYPE;
	}
	else if (refBinding.isInterface()) {
	return ElementKind.INTERFACE;
	}
	else if (refBinding.isClass()) {
	return ElementKind.CLASS;
	}
	else {
	throw new IllegalArgumentException("TypeElement " + new String(refBinding.shortReadableName()) + //$NON-NLS-1$
	" has unexpected attributes " + refBinding.modifiers); //$NON-NLS-1$
	}
	}

	@Override
	public Set<Modifier> getModifiers()
	{
	ReferenceBinding refBinding = (ReferenceBinding)_binding;
	int modifiers = refBinding.modifiers;
	if (refBinding.isInterface() && refBinding.isNestedType()) {
	modifiers \|= ClassFileConstants.AccStatic;
	}
	return Factory.getModifiers(modifiers, getKind(), refBinding.isBinaryBinding());
	}

	@Override
	public NestingKind getNestingKind() {
	ReferenceBinding refBinding = (ReferenceBinding)_binding;
	if (refBinding.isAnonymousType()) {
	return NestingKind.ANONYMOUS;
	} else if (refBinding.isLocalType()) {
	return NestingKind.LOCAL;
	} else if (refBinding.isMemberType()) {
	return NestingKind.MEMBER;
	}
	return NestingKind.TOP_LEVEL;
	}

	@Override
	PackageElement getPackage()
	{
	ReferenceBinding binding = (ReferenceBinding)_binding;
	return _env.getFactory().newPackageElement((PackageBinding)binding.fPackage);
	}

	@Override
	public Name getQualifiedName() {
	ReferenceBinding binding = (ReferenceBinding)_binding;
	char[] qName;
	if (binding.isMemberType()) {
	qName = CharOperation.concatWith(binding.enclosingType().compoundName, binding.sourceName, '.');
	CharOperation.replace(qName, '$', '.');
	} else {
	qName = CharOperation.concatWith(binding.compoundName, '.');
	}
	return new NameImpl(qName);
	}

	/*
	* (non-Javadoc)
	* @see org.eclipse.jdt.internal.compiler.apt.model.ElementImpl#getSimpleName()
	* @return last segment of name, e.g. for pa.pb.X.Y return Y.
	*/
	@Override
	public Name getSimpleName()
	{
	ReferenceBinding binding = (ReferenceBinding)_binding;
	return new NameImpl(binding.sourceName());
	}

	@Override
	public TypeMirror getSuperclass() {
	ReferenceBinding binding = (ReferenceBinding)_binding;
	ReferenceBinding superBinding = binding.superclass();
	if (null == superBinding \|\| binding.isInterface()) {
	return _env.getFactory().getNoType(TypeKind.NONE);
	}
	// superclass of a type must be a DeclaredType
	return _env.getFactory().newTypeMirror(superBinding);
	}

	@Override
	public List<? extends TypeParameterElement> getTypeParameters() {
	ReferenceBinding binding = (ReferenceBinding)_binding;
	TypeVariableBinding[] variables = binding.typeVariables();
	if (variables.length == 0) {
	return Collections.emptyList();
	}
	List<TypeParameterElement> params = new ArrayList<TypeParameterElement>(variables.length);
	for (TypeVariableBinding variable : variables) {
	params.add(_env.getFactory().newTypeParameterElement(variable, this));
	}
	return Collections.unmodifiableList(params);
	}

	@Override
	public boolean hides(Element hidden)
	{
	if (!(hidden instanceof TypeElementImpl)) {
	return false;
	}
	ReferenceBinding hiddenBinding = (ReferenceBinding)((TypeElementImpl)hidden)._binding;
	if (hiddenBinding.isPrivate()) {
	return false;
	}
	ReferenceBinding hiderBinding = (ReferenceBinding)_binding;
	if (TypeBinding.equalsEquals(hiddenBinding, hiderBinding)) {
	return false;
	}
	if (!hiddenBinding.isMemberType() \|\| !hiderBinding.isMemberType()) {
	return false;
	}
	if (!CharOperation.equals(hiddenBinding.sourceName, hiderBinding.sourceName)) {
	return false;
	}
	return null != hiderBinding.enclosingType().findSuperTypeOriginatingFrom(hiddenBinding.enclosingType());
	}

	@Override
	public String toString() {
	ReferenceBinding binding = (ReferenceBinding) this._binding;
	char[] concatWith = CharOperation.concatWith(binding.compoundName, '.');
	if (binding.isNestedType()) {
	CharOperation.replace(concatWith, '$', '.');
	return new String(concatWith);
	}
	return new String(concatWith);

	}

	}