/* *******************************************************************
* Copyright (c) 2002 Contributors
* 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:
* PARC initial implementation
* Andy Clement - June 2005 - separated out from ResolvedType
* ******************************************************************/
package org.aspectj.weaver;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import org.aspectj.bridge.ISourceLocation;
import org.aspectj.weaver.patterns.Declare;
import org.aspectj.weaver.patterns.PerClause;
/**
* A reference type represents some 'real' type, not a primitive, not an array - but a real type, for example java.util.List. Each
* ReferenceType has a delegate that is the underlying artifact - either an eclipse artifact or a bcel artifact. If the type
* represents a raw type (i.e. there is a generic form) then the genericType field is set to point to the generic type. If it is for
* a parameterized type then the generic type is also set to point to the generic form.
*/
public class ReferenceType extends ResolvedType {
public static final ReferenceType[] EMPTY_ARRAY = new ReferenceType[0];
/**
* For generic types, this list holds references to all the derived raw and parameterized versions. We need this so that if the
* generic delegate is swapped during incremental compilation, the delegate of the derivatives is swapped also.
*/
private final List<ReferenceType> derivativeTypes = new ArrayList<ReferenceType>();
/**
* For parameterized types (or the raw type) - this field points to the actual reference type from which they are derived.
*/
ReferenceType genericType = null;
ReferenceTypeDelegate delegate = null;
int startPos = 0;
int endPos = 0;
// cached values for members
ResolvedMember[] parameterizedMethods = null;
ResolvedMember[] parameterizedFields = null;
ResolvedMember[] parameterizedPointcuts = null;
WeakReference<ResolvedType[]> parameterizedInterfaces = new WeakReference<ResolvedType[]>(null);
Collection<Declare> parameterizedDeclares = null;
// Collection parameterizedTypeMungers = null;
// During matching it can be necessary to temporary mark types as annotated. For example
// a declare @type may trigger a separate declare parents to match, and so the annotation
// is temporarily held against the referencetype, the annotation will be properly
// added to the class during weaving.
private ResolvedType[] annotationTypes = null;
private AnnotationAJ[] annotations = null;
// Similarly these are temporary replacements and additions for the superclass and
// superinterfaces
private ResolvedType newSuperclass;
private ResolvedType[] newInterfaces;
// ??? should set delegate before any use
public ReferenceType(String signature, World world) {
super(signature, world);
}
public ReferenceType(String signature, String signatureErasure, World world) {
super(signature, signatureErasure, world);
}
public static ReferenceType fromTypeX(UnresolvedType tx, World world) {
ReferenceType rt = new ReferenceType(tx.getErasureSignature(), world);
rt.typeKind = tx.typeKind;
return rt;
}
/**
* Constructor used when creating a parameterized type.
*/
public ReferenceType(ResolvedType theGenericType, ResolvedType[] theParameters, World aWorld) {
super(makeParameterizedSignature(theGenericType, theParameters), theGenericType.signatureErasure, aWorld);
ReferenceType genericReferenceType = (ReferenceType) theGenericType;
this.typeParameters = theParameters;
this.genericType = genericReferenceType;
this.typeKind = TypeKind.PARAMETERIZED;
this.delegate = genericReferenceType.getDelegate();
genericReferenceType.addDependentType(this);
}
/**
* Constructor used when creating a raw type.
*/
// public ReferenceType(
// ResolvedType theGenericType,
// World aWorld) {
// super(theGenericType.getErasureSignature(),
// theGenericType.getErasureSignature(),
// aWorld);
// ReferenceType genericReferenceType = (ReferenceType) theGenericType;
// this.typeParameters = null;
// this.genericType = genericReferenceType;
// this.typeKind = TypeKind.RAW;
// this.delegate = genericReferenceType.getDelegate();
// genericReferenceType.addDependentType(this);
// }
private synchronized void addDependentType(ReferenceType dependent) {
this.derivativeTypes.add(dependent);
}
@Override
public String getSignatureForAttribute() {
if (genericType == null || typeParameters == null) {
return getSignature();
}
return makeDeclaredSignature(genericType, typeParameters);
}
/**
* Create a reference type for a generic type
*/
public ReferenceType(UnresolvedType genericType, World world) {
super(genericType.getSignature(), world);
typeKind = TypeKind.GENERIC;
}
@Override
public boolean isClass() {
return getDelegate().isClass();
}
@Override
public int getCompilerVersion() {
return getDelegate().getCompilerVersion();
}
@Override
public boolean isGenericType() {
return !isParameterizedType() && !isRawType() && getDelegate().isGeneric();
}
public String getGenericSignature() {
String sig = getDelegate().getDeclaredGenericSignature();
return (sig == null) ? "" : sig;
}
@Override
public AnnotationAJ[] getAnnotations() {
return getDelegate().getAnnotations();
}
@Override
public void addAnnotation(AnnotationAJ annotationX) {
if (annotations == null) {
annotations = new AnnotationAJ[1];
annotations[0] = annotationX;
} else {
AnnotationAJ[] newAnnotations = new AnnotationAJ[annotations.length + 1];
System.arraycopy(annotations, 0, newAnnotations, 1, annotations.length);
newAnnotations[0] = annotationX;
annotations = newAnnotations;
}
addAnnotationType(annotationX.getType());
}
public boolean hasAnnotation(UnresolvedType ofType) {
boolean onDelegate = getDelegate().hasAnnotation(ofType);
if (onDelegate) {
return true;
}
if (annotationTypes != null) {
for (int i = 0; i < annotationTypes.length; i++) {
if (annotationTypes[i].equals(ofType)) {
return true;
}
}
}
return false;
}
private void addAnnotationType(ResolvedType ofType) {
if (annotationTypes == null) {
annotationTypes = new ResolvedType[1];
annotationTypes[0] = ofType;
} else {
ResolvedType[] newAnnotationTypes = new ResolvedType[annotationTypes.length + 1];
System.arraycopy(annotationTypes, 0, newAnnotationTypes, 1, annotationTypes.length);
newAnnotationTypes[0] = ofType;
annotationTypes = newAnnotationTypes;
}
}
@Override
public ResolvedType[] getAnnotationTypes() {
if (getDelegate() == null) {
throw new BCException("Unexpected null delegate for type " + this.getName());
}
if (annotationTypes == null) {
// there are no extras:
return getDelegate().getAnnotationTypes();
} else {
ResolvedType[] delegateAnnotationTypes = getDelegate().getAnnotationTypes();
ResolvedType[] result = new ResolvedType[annotationTypes.length + delegateAnnotationTypes.length];
System.arraycopy(delegateAnnotationTypes, 0, result, 0, delegateAnnotationTypes.length);
System.arraycopy(annotationTypes, 0, result, delegateAnnotationTypes.length, annotationTypes.length);
return result;
}
}
@Override
public String getNameAsIdentifier() {
return getRawName().replace('.', '_');
}
@Override
public AnnotationAJ getAnnotationOfType(UnresolvedType ofType) {
AnnotationAJ[] axs = getDelegate().getAnnotations();
if (axs == null) {
if (annotations != null) {
String searchSig = ofType.getSignature();
for (int i = 0; i < annotations.length; i++) {
if (annotations[i].getTypeSignature().equals(searchSig)) {
return annotations[i];
}
}
}
return null;
}
for (int i = 0; i < axs.length; i++) {
if (axs[i].getTypeSignature().equals(ofType.getSignature())) {
return axs[i];
}
}
return null;
}
@Override
public boolean isAspect() {
return getDelegate().isAspect();
}
@Override
public boolean isAnnotationStyleAspect() {
return getDelegate().isAnnotationStyleAspect();
}
@Override
public boolean isEnum() {
return getDelegate().isEnum();
}
@Override
public boolean isAnnotation() {
return getDelegate().isAnnotation();
}
@Override
public boolean isAnonymous() {
return getDelegate().isAnonymous();
}
@Override
public boolean isNested() {
return getDelegate().isNested();
}
public ResolvedType getOuterClass() {
return getDelegate().getOuterClass();
}
public String getRetentionPolicy() {
return getDelegate().getRetentionPolicy();
}
@Override
public boolean isAnnotationWithRuntimeRetention() {
return getDelegate().isAnnotationWithRuntimeRetention();
}
@Override
public boolean canAnnotationTargetType() {
return getDelegate().canAnnotationTargetType();
}
@Override
public AnnotationTargetKind[] getAnnotationTargetKinds() {
return getDelegate().getAnnotationTargetKinds();
}
// true iff the statement "this = (ThisType) other" would compile
@Override
public boolean isCoerceableFrom(ResolvedType o) {
ResolvedType other = o.resolve(world);
if (this.isAssignableFrom(other) || other.isAssignableFrom(this)) {
return true;
}
if (this.isParameterizedType() && other.isParameterizedType()) {
return isCoerceableFromParameterizedType(other);
}
if (this.isParameterizedType() && other.isRawType()) {
return ((ReferenceType) this.getRawType()).isCoerceableFrom(other.getGenericType());
}
if (this.isRawType() && other.isParameterizedType()) {
return this.getGenericType().isCoerceableFrom((other.getRawType()));
}
if (!this.isInterface() && !other.isInterface()) {
return false;
}
if (this.isFinal() || other.isFinal()) {
return false;
}
// ??? needs to be Methods, not just declared methods? JLS 5.5 unclear
ResolvedMember[] a = getDeclaredMethods();
ResolvedMember[] b = other.getDeclaredMethods(); // ??? is this cast
// always safe
for (int ai = 0, alen = a.length; ai < alen; ai++) {
for (int bi = 0, blen = b.length; bi < blen; bi++) {
if (!b[bi].isCompatibleWith(a[ai])) {
return false;
}
}
}
return true;
}
private final boolean isCoerceableFromParameterizedType(ResolvedType other) {
if (!other.isParameterizedType()) {
return false;
}
ResolvedType myRawType = getRawType();
ResolvedType theirRawType = other.getRawType();
if (myRawType == theirRawType || myRawType.isCoerceableFrom(theirRawType)) {
if (getTypeParameters().length == other.getTypeParameters().length) {
// there's a chance it can be done
ResolvedType[] myTypeParameters = getResolvedTypeParameters();
ResolvedType[] theirTypeParameters = other.getResolvedTypeParameters();
for (int i = 0; i < myTypeParameters.length; i++) {
if (myTypeParameters[i] != theirTypeParameters[i]) {
// thin ice now... but List<String> may still be
// coerceable from e.g. List<T>
if (myTypeParameters[i].isGenericWildcard()) {
BoundedReferenceType wildcard = (BoundedReferenceType) myTypeParameters[i];
if (!wildcard.canBeCoercedTo(theirTypeParameters[i])) {
return false;
}
} else if (myTypeParameters[i].isTypeVariableReference()) {
TypeVariableReferenceType tvrt = (TypeVariableReferenceType) myTypeParameters[i];
TypeVariable tv = tvrt.getTypeVariable();
tv.resolve(world);
if (!tv.canBeBoundTo(theirTypeParameters[i])) {
return false;
}
} else if (theirTypeParameters[i].isTypeVariableReference()) {
TypeVariableReferenceType tvrt = (TypeVariableReferenceType) theirTypeParameters[i];
TypeVariable tv = tvrt.getTypeVariable();
tv.resolve(world);
if (!tv.canBeBoundTo(myTypeParameters[i])) {
return false;
}
} else if (theirTypeParameters[i].isGenericWildcard()) {
BoundedReferenceType wildcard = (BoundedReferenceType) theirTypeParameters[i];
if (!wildcard.canBeCoercedTo(myTypeParameters[i])) {
return false;
}
} else {
return false;
}
}
}
return true;
}
// } else {
// // we do this walk for situations like the following:
// // Base<T>, Sub<S,T> extends Base<S>
// // is Sub<Y,Z> coerceable from Base<X> ???
// for (Iterator i = getDirectSupertypes(); i.hasNext();) {
// ReferenceType parent = (ReferenceType) i.next();
// if (parent.isCoerceableFromParameterizedType(other))
// return true;
// }
}
return false;
}
@Override
public boolean isAssignableFrom(ResolvedType other) {
return isAssignableFrom(other, false);
}
// TODO rewrite this method - it is a terrible mess
// true iff the statement "this = other" would compile.
@Override
public boolean isAssignableFrom(ResolvedType other, boolean allowMissing) {
if (other.isPrimitiveType()) {
if (!world.isInJava5Mode()) {
return false;
}
if (ResolvedType.validBoxing.contains(this.getSignature() + other.getSignature())) {
return true;
}
}
if (this == other) {
return true;
}
if (this.getSignature().equals("Ljava/lang/Object;")) {
return true;
}
if (!isTypeVariableReference() && other.getSignature().equals("Ljava/lang/Object;")) {
return false;
}
boolean thisRaw = this.isRawType();
if (thisRaw && other.isParameterizedOrGenericType()) {
return isAssignableFrom(other.getRawType());
}
boolean thisGeneric = this.isGenericType();
if (thisGeneric && other.isParameterizedOrRawType()) {
return isAssignableFrom(other.getGenericType());
}
if (this.isParameterizedType()) {
// look at wildcards...
if (((ReferenceType) this.getRawType()).isAssignableFrom(other)) {
boolean wildcardsAllTheWay = true;
ResolvedType[] myParameters = this.getResolvedTypeParameters();
for (int i = 0; i < myParameters.length; i++) {
if (!myParameters[i].isGenericWildcard()) {
wildcardsAllTheWay = false;
} else {
BoundedReferenceType boundedRT = (BoundedReferenceType) myParameters[i];
if (boundedRT.isExtends() || boundedRT.isSuper()) {
wildcardsAllTheWay = false;
}
}
}
if (wildcardsAllTheWay && !other.isParameterizedType()) {
return true;
}
// we have to match by parameters one at a time
ResolvedType[] theirParameters = other.getResolvedTypeParameters();
boolean parametersAssignable = true;
if (myParameters.length == theirParameters.length) {
for (int i = 0; i < myParameters.length && parametersAssignable; i++) {
if (myParameters[i] == theirParameters[i]) {
continue;
}
// dont do this: pr253109
// if (myParameters[i].isAssignableFrom(theirParameters[i], allowMissing)) {
// continue;
// }
ResolvedType mp = myParameters[i];
ResolvedType tp = theirParameters[i];
if (mp.isParameterizedType() && tp.isParameterizedType()) {
if (mp.getGenericType().equals(tp.getGenericType())) {
UnresolvedType[] mtps = mp.getTypeParameters();
UnresolvedType[] ttps = tp.getTypeParameters();
for (int ii = 0; ii < mtps.length; ii++) {
if (mtps[ii].isTypeVariableReference() && ttps[ii].isTypeVariableReference()) {
TypeVariable mtv = ((TypeVariableReferenceType) mtps[ii]).getTypeVariable();
boolean b = mtv.canBeBoundTo((ResolvedType) ttps[ii]);
if (!b) {// TODO incomplete testing here I think
parametersAssignable = false;
break;
}
} else {
parametersAssignable = false;
break;
}
}
continue;
} else {
parametersAssignable = false;
break;
}
}
if (myParameters[i].isTypeVariableReference() && theirParameters[i].isTypeVariableReference()) {
TypeVariable myTV = ((TypeVariableReferenceType) myParameters[i]).getTypeVariable();
// TypeVariable theirTV = ((TypeVariableReferenceType) theirParameters[i]).getTypeVariable();
boolean b = myTV.canBeBoundTo(theirParameters[i]);
if (!b) {// TODO incomplete testing here I think
parametersAssignable = false;
break;
} else {
continue;
}
}
if (!myParameters[i].isGenericWildcard()) {
parametersAssignable = false;
break;
} else {
BoundedReferenceType wildcardType = (BoundedReferenceType) myParameters[i];
if (!wildcardType.alwaysMatches(theirParameters[i])) {
parametersAssignable = false;
break;
}
}
}
} else {
parametersAssignable = false;
}
if (parametersAssignable) {
return true;
}
}
}
// eg this=T other=Ljava/lang/Object;
if (isTypeVariableReference() && !other.isTypeVariableReference()) {
TypeVariable aVar = ((TypeVariableReference) this).getTypeVariable();
return aVar.resolve(world).canBeBoundTo(other);
}
if (other.isTypeVariableReference()) {
TypeVariableReferenceType otherType = (TypeVariableReferenceType) other;
if (this instanceof TypeVariableReference) {
return ((TypeVariableReference) this).getTypeVariable().resolve(world)
.canBeBoundTo(otherType.getTypeVariable().getFirstBound().resolve(world));// pr171952
// return
// ((TypeVariableReference)this).getTypeVariable()==otherType
// .getTypeVariable();
} else {
// FIXME asc should this say canBeBoundTo??
return this.isAssignableFrom(otherType.getTypeVariable().getFirstBound().resolve(world));
}
}
if (allowMissing && other.isMissing()) {
return false;
}
ResolvedType[] interfaces = other.getDeclaredInterfaces();
for (ResolvedType intface : interfaces) {
boolean b;
if (thisRaw && intface.isParameterizedOrGenericType()) {
b = this.isAssignableFrom(intface.getRawType(), allowMissing);
} else {
b = this.isAssignableFrom(intface, allowMissing);
}
if (b) {
return true;
}
}
ResolvedType superclass = other.getSuperclass();
if (superclass != null) {
boolean b;
if (thisRaw && superclass.isParameterizedOrGenericType()) {
b = this.isAssignableFrom(superclass.getRawType(), allowMissing);
} else {
b = this.isAssignableFrom(superclass, allowMissing);
}
if (b) {
return true;
}
}
return false;
}
@Override
public ISourceContext getSourceContext() {
return getDelegate().getSourceContext();
}
@Override
public ISourceLocation getSourceLocation() {
ISourceContext isc = getDelegate().getSourceContext();
return isc.makeSourceLocation(new Position(startPos, endPos));
}
@Override
public boolean isExposedToWeaver() {
return (getDelegate() == null) || delegate.isExposedToWeaver();
}
@Override
public WeaverStateInfo getWeaverState() {
return getDelegate().getWeaverState();
}
@Override
public ResolvedMember[] getDeclaredFields() {
if (parameterizedFields != null) {
return parameterizedFields;
}
if (isParameterizedType() || isRawType()) {
ResolvedMember[] delegateFields = getDelegate().getDeclaredFields();
parameterizedFields = new ResolvedMember[delegateFields.length];
for (int i = 0; i < delegateFields.length; i++) {
parameterizedFields[i] = delegateFields[i].parameterizedWith(getTypesForMemberParameterization(), this,
isParameterizedType());
}
return parameterizedFields;
} else {
return getDelegate().getDeclaredFields();
}
}
/**
* Find out from the generic signature the true signature of any interfaces I implement. If I am parameterized, these may then
* need to be parameterized before returning.
*/
@Override
public ResolvedType[] getDeclaredInterfaces() {
ResolvedType[] interfaces = parameterizedInterfaces.get();
if (interfaces != null) {
return interfaces;
}
ResolvedType[] delegateInterfaces = getDelegate().getDeclaredInterfaces();
if (newInterfaces != null) {
// OPTIMIZE does this part of the method trigger often?
ResolvedType[] extraInterfaces = new ResolvedType[delegateInterfaces.length + newInterfaces.length];
System.arraycopy(delegateInterfaces, 0, extraInterfaces, 0, delegateInterfaces.length);
System.arraycopy(newInterfaces, 0, extraInterfaces, delegateInterfaces.length, newInterfaces.length);
delegateInterfaces = extraInterfaces;
}
if (isParameterizedType()) {
// UnresolvedType[] paramTypes =
// getTypesForMemberParameterization();
interfaces = new ResolvedType[delegateInterfaces.length];
for (int i = 0; i < delegateInterfaces.length; i++) {
// We may have to sub/super set the set of parametertypes if the
// implemented interface
// needs more or less than this type does. (pr124803/pr125080)
if (delegateInterfaces[i].isParameterizedType()) {
interfaces[i] = delegateInterfaces[i].parameterize(getMemberParameterizationMap()).resolve(world);
} else {
interfaces[i] = delegateInterfaces[i];
}
}
parameterizedInterfaces = new WeakReference<ResolvedType[]>(interfaces);
return interfaces;
} else if (isRawType()) {
UnresolvedType[] paramTypes = getTypesForMemberParameterization();
interfaces = new ResolvedType[delegateInterfaces.length];
for (int i = 0, max = interfaces.length; i < max; i++) {
interfaces[i] = delegateInterfaces[i];
if (interfaces[i].isGenericType()) {
// a generic supertype of a raw type is replaced by its raw
// equivalent
interfaces[i] = interfaces[i].getRawType().resolve(getWorld());
} else if (interfaces[i].isParameterizedType()) {
// a parameterized supertype collapses any type vars to
// their upper bounds
UnresolvedType[] toUseForParameterization = determineThoseTypesToUse(interfaces[i], paramTypes);
interfaces[i] = interfaces[i].parameterizedWith(toUseForParameterization);
}
}
parameterizedInterfaces = new WeakReference<ResolvedType[]>(interfaces);
return interfaces;
}
if (getDelegate().isCacheable()) {
parameterizedInterfaces = new WeakReference<ResolvedType[]>(delegateInterfaces);
}
return delegateInterfaces;
}
// private String toString(ResolvedType[] delegateInterfaces) {
// StringBuffer sb = new StringBuffer();
// if (delegateInterfaces != null) {
// for (ResolvedType rt : delegateInterfaces) {
// sb.append(rt).append(" ");
// }
// }
// return sb.toString();
// }
/**
* Locates the named type variable in the list of those on this generic type and returns the type parameter from the second list
* supplied. Returns null if it can't be found
*/
// private UnresolvedType findTypeParameterInList(String name,
// TypeVariable[] tvarsOnThisGenericType, UnresolvedType[]
// paramTypes) {
// int position = -1;
// for (int i = 0; i < tvarsOnThisGenericType.length; i++) {
// TypeVariable tv = tvarsOnThisGenericType[i];
// if (tv.getName().equals(name)) position = i;
// }
// if (position == -1 ) return null;
// return paramTypes[position];
// }
/**
* It is possible this type has multiple type variables but the interface we are about to parameterize only uses a subset - this
* method determines the subset to use by looking at the type variable names used. For example: <code>
* class Foo<T extends String,E extends Number> implements SuperInterface<T> {}
* </code> where <code>
* interface SuperInterface<Z> {}
* </code> In that example, a use of the 'Foo' raw type should know that it implements the SuperInterface<String>.
*/
private UnresolvedType[] determineThoseTypesToUse(ResolvedType parameterizedInterface, UnresolvedType[] paramTypes) {
// What are the type parameters for the supertype?
UnresolvedType[] tParms = parameterizedInterface.getTypeParameters();
UnresolvedType[] retVal = new UnresolvedType[tParms.length];
// Go through the supertypes type parameters, if any of them is a type
// variable, use the
// real type variable on the declaring type.
// it is possibly overkill to look up the type variable - ideally the
// entry in the type parameter list for the
// interface should be the a ref to the type variable in the current
// type ... but I'm not 100% confident right now.
for (int i = 0; i < tParms.length; i++) {
UnresolvedType tParm = tParms[i];
if (tParm.isTypeVariableReference()) {
TypeVariableReference tvrt = (TypeVariableReference) tParm;
TypeVariable tv = tvrt.getTypeVariable();
int rank = getRank(tv.getName());
// -1 probably means it is a reference to a type variable on the
// outer generic type (see pr129566)
if (rank != -1) {
retVal[i] = paramTypes[rank];
} else {
retVal[i] = tParms[i];
}
} else {
retVal[i] = tParms[i];
}
}
return retVal;
}
/**
* Returns the position within the set of type variables for this type for the specified type variable name. Returns -1 if there
* is no type variable with the specified name.
*/
private int getRank(String tvname) {
TypeVariable[] thisTypesTVars = getGenericType().getTypeVariables();
for (int i = 0; i < thisTypesTVars.length; i++) {
TypeVariable tv = thisTypesTVars[i];
if (tv.getName().equals(tvname)) {
return i;
}
}
return -1;
}
@Override
public ResolvedMember[] getDeclaredMethods() {
if (parameterizedMethods != null) {
return parameterizedMethods;
}
if (isParameterizedType() || isRawType()) {
ResolvedMember[] delegateMethods = getDelegate().getDeclaredMethods();
UnresolvedType[] parameters = getTypesForMemberParameterization();
parameterizedMethods = new ResolvedMember[delegateMethods.length];
for (int i = 0; i < delegateMethods.length; i++) {
parameterizedMethods[i] = delegateMethods[i].parameterizedWith(parameters, this, isParameterizedType());
}
return parameterizedMethods;
} else {
return getDelegate().getDeclaredMethods();
}
}
@Override
public ResolvedMember[] getDeclaredPointcuts() {
if (parameterizedPointcuts != null) {
return parameterizedPointcuts;
}
if (isParameterizedType()) {
ResolvedMember[] delegatePointcuts = getDelegate().getDeclaredPointcuts();
parameterizedPointcuts = new ResolvedMember[delegatePointcuts.length];
for (int i = 0; i < delegatePointcuts.length; i++) {
parameterizedPointcuts[i] = delegatePointcuts[i].parameterizedWith(getTypesForMemberParameterization(), this,
isParameterizedType());
}
return parameterizedPointcuts;
} else {
return getDelegate().getDeclaredPointcuts();
}
}
private UnresolvedType[] getTypesForMemberParameterization() {
UnresolvedType[] parameters = null;
if (isParameterizedType()) {
parameters = getTypeParameters();
} else if (isRawType()) {
// raw type, use upper bounds of type variables on generic type
TypeVariable[] tvs = getGenericType().getTypeVariables();
parameters = new UnresolvedType[tvs.length];
for (int i = 0; i < tvs.length; i++) {
parameters[i] = tvs[i].getFirstBound();
}
}
return parameters;
}
@Override
public TypeVariable[] getTypeVariables() {
if (this.typeVariables == null) {
this.typeVariables = getDelegate().getTypeVariables();
for (int i = 0; i < this.typeVariables.length; i++) {
this.typeVariables[i].resolve(world);
}
}
return this.typeVariables;
}
@Override
public PerClause getPerClause() {
PerClause pclause = getDelegate().getPerClause();
if (pclause != null && isParameterizedType()) { // could cache the result here...
Map<String, UnresolvedType> parameterizationMap = getAjMemberParameterizationMap();
pclause = (PerClause) pclause.parameterizeWith(parameterizationMap, world);
}
return pclause;
}
@Override
public Collection<Declare> getDeclares() {
if (parameterizedDeclares != null) {
return parameterizedDeclares;
}
Collection<Declare> declares = null;
if (ajMembersNeedParameterization()) {
Collection<Declare> genericDeclares = getDelegate().getDeclares();
parameterizedDeclares = new ArrayList<Declare>();
Map<String, UnresolvedType> parameterizationMap = getAjMemberParameterizationMap();
for (Declare declareStatement : genericDeclares) {
parameterizedDeclares.add(declareStatement.parameterizeWith(parameterizationMap, world));
}
declares = parameterizedDeclares;
} else {
declares = getDelegate().getDeclares();
}
for (Declare d : declares) {
d.setDeclaringType(this);
}
return declares;
}
@Override
public Collection<ConcreteTypeMunger> getTypeMungers() {
return getDelegate().getTypeMungers();
}
// GENERICITDFIX
// // Map parameterizationMap = getAjMemberParameterizationMap();
//
// // if (parameterizedTypeMungers != null) return parameterizedTypeMungers;
// Collection ret = null;
// if (ajMembersNeedParameterization()) {
// Collection genericDeclares = delegate.getTypeMungers();
// parameterizedTypeMungers = new ArrayList();
// Map parameterizationMap = getAjMemberParameterizationMap();
// for (Iterator iter = genericDeclares.iterator(); iter.hasNext();) {
// ConcreteTypeMunger munger = (ConcreteTypeMunger)iter.next();
// parameterizedTypeMungers.add(munger.parameterizeWith(parameterizationMap,
// world));
// }
// ret = parameterizedTypeMungers;
// } else {
// ret = delegate.getTypeMungers();
// }
// return ret;
// }
@Override
public Collection<ResolvedMember> getPrivilegedAccesses() {
return getDelegate().getPrivilegedAccesses();
}
@Override
public int getModifiers() {
return getDelegate().getModifiers();
}
WeakReference<ResolvedType> superclassReference = new WeakReference<ResolvedType>(null);
@Override
public ResolvedType getSuperclass() {
ResolvedType ret = null;// superclassReference.get();
// if (ret != null) {
// return ret;
// }
if (newSuperclass != null) {
if (this.isParameterizedType() && newSuperclass.isParameterizedType()) {
return newSuperclass.parameterize(getMemberParameterizationMap()).resolve(getWorld());
}
if (getDelegate().isCacheable()) {
superclassReference = new WeakReference<ResolvedType>(ret);
}
return newSuperclass;
}
try {
world.setTypeVariableLookupScope(this);
ret = getDelegate().getSuperclass();
} finally {
world.setTypeVariableLookupScope(null);
}
if (this.isParameterizedType() && ret.isParameterizedType()) {
ret = ret.parameterize(getMemberParameterizationMap()).resolve(getWorld());
}
if (getDelegate().isCacheable()) {
superclassReference = new WeakReference<ResolvedType>(ret);
}
return ret;
}
public ReferenceTypeDelegate getDelegate() {
return delegate;
}
public void setDelegate(ReferenceTypeDelegate delegate) {
// Don't copy from BcelObjectType to EclipseSourceType - the context may
// be tidied (result null'd) after previous weaving
if (this.delegate != null && this.delegate.copySourceContext()
&& this.delegate.getSourceContext() != SourceContextImpl.UNKNOWN_SOURCE_CONTEXT) {
((AbstractReferenceTypeDelegate) delegate).setSourceContext(this.delegate.getSourceContext());
}
this.delegate = delegate;
for (ReferenceType dependent : derivativeTypes) {
dependent.setDelegate(delegate);
}
// If we are raw, we have a generic type - we should ensure it uses the
// same delegate
if (isRawType() && getGenericType() != null) {
ReferenceType genType = (ReferenceType) getGenericType();
if (genType.getDelegate() != delegate) { // avoids circular updates
genType.setDelegate(delegate);
}
}
clearParameterizationCaches();
ensureConsistent();
}
private void clearParameterizationCaches() {
parameterizedFields = null;
parameterizedInterfaces.clear();
parameterizedMethods = null;
parameterizedPointcuts = null;
superclassReference = new WeakReference<ResolvedType>(null);
}
public int getEndPos() {
return endPos;
}
public int getStartPos() {
return startPos;
}
public void setEndPos(int endPos) {
this.endPos = endPos;
}
public void setStartPos(int startPos) {
this.startPos = startPos;
}
@Override
public boolean doesNotExposeShadowMungers() {
return getDelegate().doesNotExposeShadowMungers();
}
public String getDeclaredGenericSignature() {
return getDelegate().getDeclaredGenericSignature();
}
public void setGenericType(ReferenceType rt) {
genericType = rt;
// Should we 'promote' this reference type from simple to raw?
// makes sense if someone is specifying that it has a generic form
if (typeKind == TypeKind.SIMPLE) {
typeKind = TypeKind.RAW;
signatureErasure = signature;
}
}
public void demoteToSimpleType() {
genericType = null;
typeKind = TypeKind.SIMPLE;
signatureErasure = null;
}
@Override
public ResolvedType getGenericType() {
if (isGenericType()) {
return this;
}
return genericType;
}
/**
* a parameterized signature starts with a "P" in place of the "L", see the comment on signatures in UnresolvedType.
*
* @param aGenericType
* @param someParameters
* @return
*/
private static String makeParameterizedSignature(ResolvedType aGenericType, ResolvedType[] someParameters) {
String rawSignature = aGenericType.getErasureSignature();
StringBuffer ret = new StringBuffer();
ret.append(PARAMETERIZED_TYPE_IDENTIFIER);
ret.append(rawSignature.substring(1, rawSignature.length() - 1));
ret.append("<");
for (int i = 0; i < someParameters.length; i++) {
ret.append(someParameters[i].getSignature());
}
ret.append(">;");
return ret.toString();
}
private static String makeDeclaredSignature(ResolvedType aGenericType, UnresolvedType[] someParameters) {
StringBuffer ret = new StringBuffer();
String rawSig = aGenericType.getErasureSignature();
ret.append(rawSig.substring(0, rawSig.length() - 1));
ret.append("<");
for (int i = 0; i < someParameters.length; i++) {
ret.append(((ReferenceType) someParameters[i]).getSignatureForAttribute());
}
ret.append(">;");
return ret.toString();
}
@Override
public void ensureConsistent() {
annotations = null;
annotationTypes = null;
newSuperclass = null;
newInterfaces = null;
typeVariables = null;
parameterizedInterfaces.clear();
superclassReference = new WeakReference<ResolvedType>(null);
if (getDelegate() != null) {
delegate.ensureConsistent();
}
}
@Override
public void addParent(ResolvedType newParent) {
if (newParent.isClass()) {
newSuperclass = newParent;
superclassReference = new WeakReference<ResolvedType>(null);
} else {
if (newInterfaces == null) {
newInterfaces = new ResolvedType[1];
newInterfaces[0] = newParent;
} else {
ResolvedType[] existing = getDelegate().getDeclaredInterfaces();
if (existing != null) {
for (int i = 0; i < existing.length; i++) {
if (existing[i].equals(newParent)) {
return; // already has this interface
}
}
}
ResolvedType[] newNewInterfaces = new ResolvedType[newInterfaces.length + 1];
System.arraycopy(newInterfaces, 0, newNewInterfaces, 1, newInterfaces.length);
newNewInterfaces[0] = newParent;
newInterfaces = newNewInterfaces;
}
parameterizedInterfaces.clear();
}
}
}