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/* *******************************************************************
* Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
* 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
* ******************************************************************/
package org.aspectj.weaver;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.List;
import java.util.Set;
import org.aspectj.bridge.IMessage;
import org.aspectj.bridge.ISourceLocation;
public class NewConstructorTypeMunger extends ResolvedTypeMunger {
private ResolvedMember syntheticConstructor;
private ResolvedMember explicitConstructor;
public NewConstructorTypeMunger(ResolvedMember signature, ResolvedMember syntheticConstructor,
ResolvedMember explicitConstructor, Set superMethodsCalled, List typeVariableAliases) {
super(Constructor, signature);
this.syntheticConstructor = syntheticConstructor;
this.typeVariableAliases = typeVariableAliases;
this.explicitConstructor = explicitConstructor;
this.setSuperMethodsCalled(superMethodsCalled);
}
public boolean equals(Object other) {
if (!(other instanceof NewConstructorTypeMunger))
return false;
NewConstructorTypeMunger o = (NewConstructorTypeMunger) other;
return ((syntheticConstructor == null) ? (o.syntheticConstructor == null) : syntheticConstructor
.equals(o.syntheticConstructor))
& ((explicitConstructor == null) ? (o.explicitConstructor == null) : explicitConstructor
.equals(o.explicitConstructor));
}
// pr262218 - equivalence ignores the explicit constructor since that won't have yet been set for an EclipseTypeMunger
public boolean equivalentTo(Object other) {
if (!(other instanceof NewConstructorTypeMunger))
return false;
NewConstructorTypeMunger o = (NewConstructorTypeMunger) other;
return ((syntheticConstructor == null) ? (o.syntheticConstructor == null) : syntheticConstructor
.equals(o.syntheticConstructor));
}
private volatile int hashCode = 0;
public int hashCode() {
if (hashCode == 0) {
int result = 17;
result = 37 * result + ((syntheticConstructor == null) ? 0 : syntheticConstructor.hashCode());
result = 37 * result + ((explicitConstructor == null) ? 0 : explicitConstructor.hashCode());
hashCode = result;
}
return hashCode;
}
// doesnt seem required....
// public ResolvedMember getDispatchMethod(UnresolvedType aspectType) {
// return AjcMemberMaker.interMethodBody(signature, aspectType);
// }
public void write(DataOutputStream s) throws IOException {
kind.write(s);
signature.write(s);
syntheticConstructor.write(s);
explicitConstructor.write(s);
writeSuperMethodsCalled(s);
writeSourceLocation(s);
writeOutTypeAliases(s);
}
public static ResolvedTypeMunger readConstructor(VersionedDataInputStream s, ISourceContext context) throws IOException {
ISourceLocation sloc = null;
ResolvedMember sig = ResolvedMemberImpl.readResolvedMember(s, context);
ResolvedMember syntheticCtor = ResolvedMemberImpl.readResolvedMember(s, context);
ResolvedMember explicitCtor = ResolvedMemberImpl.readResolvedMember(s, context);
Set superMethodsCalled = readSuperMethodsCalled(s);
sloc = readSourceLocation(s);
List typeVarAliases = readInTypeAliases(s);
ResolvedTypeMunger munger = new NewConstructorTypeMunger(sig, syntheticCtor, explicitCtor, superMethodsCalled,
typeVarAliases);
if (sloc != null)
munger.setSourceLocation(sloc);
return munger;
}
public ResolvedMember getExplicitConstructor() {
return explicitConstructor;
}
public ResolvedMember getSyntheticConstructor() {
return syntheticConstructor;
}
public void setExplicitConstructor(ResolvedMember explicitConstructor) {
this.explicitConstructor = explicitConstructor;
// reset hashCode so that its recalculated with new value
hashCode = 0;
}
public ResolvedMember getMatchingSyntheticMember(Member member, ResolvedType aspectType) {
ResolvedMember ret = getSyntheticConstructor();
if (ResolvedType.matches(ret, member))
return getSignature();
return super.getMatchingSyntheticMember(member, aspectType);
}
public void check(World world) {
if (getSignature().getDeclaringType().resolve(world).isAspect()) {
world.showMessage(IMessage.ERROR, WeaverMessages.format(WeaverMessages.ITD_CONS_ON_ASPECT), getSignature()
.getSourceLocation(), null);
}
}
/**
* see ResolvedTypeMunger.parameterizedFor(ResolvedType)
*/
public ResolvedTypeMunger parameterizedFor(ResolvedType target) {
ResolvedType genericType = target;
if (target.isRawType() || target.isParameterizedType())
genericType = genericType.getGenericType();
ResolvedMember parameterizedSignature = null;
// If we are parameterizing it for a generic type, we just need to 'swap the letters' from the ones used
// in the original ITD declaration to the ones used in the actual target type declaration.
if (target.isGenericType()) {
TypeVariable vars[] = target.getTypeVariables();
UnresolvedTypeVariableReferenceType[] varRefs = new UnresolvedTypeVariableReferenceType[vars.length];
for (int i = 0; i < vars.length; i++) {
varRefs[i] = new UnresolvedTypeVariableReferenceType(vars[i]);
}
parameterizedSignature = getSignature().parameterizedWith(varRefs, genericType, true, typeVariableAliases);
} else {
// For raw and 'normal' parameterized targets (e.g. Interface, Interface)
parameterizedSignature = getSignature().parameterizedWith(target.getTypeParameters(), genericType,
target.isParameterizedType(), typeVariableAliases);
}
NewConstructorTypeMunger nctm = new NewConstructorTypeMunger(parameterizedSignature, syntheticConstructor,
explicitConstructor, getSuperMethodsCalled(), typeVariableAliases);
nctm.setSourceLocation(getSourceLocation());
return nctm;
}
}