| /******************************************************************************* |
| * Copyright (c) 2008, 2021 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.pde.api.tools.internal.builder; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.IMethod; |
| import org.eclipse.jdt.core.ISourceRange; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.core.dom.AST; |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.Position; |
| import org.eclipse.pde.api.tools.internal.model.ApiType; |
| import org.eclipse.pde.api.tools.internal.provisional.builder.IReference; |
| import org.eclipse.pde.api.tools.internal.provisional.descriptors.IElementDescriptor; |
| import org.eclipse.pde.api.tools.internal.provisional.descriptors.IReferenceTypeDescriptor; |
| import org.eclipse.pde.api.tools.internal.provisional.model.IApiElement; |
| import org.eclipse.pde.api.tools.internal.provisional.model.IApiMember; |
| import org.eclipse.pde.api.tools.internal.provisional.model.IApiMethod; |
| import org.eclipse.pde.api.tools.internal.provisional.model.IApiType; |
| import org.eclipse.pde.api.tools.internal.provisional.problems.IApiProblem; |
| import org.eclipse.pde.api.tools.internal.util.Signatures; |
| |
| /** |
| * Base implementation of a problem detector for type references |
| * |
| * @since 1.1 |
| * @noextend This class is not intended to be sub-classed by clients. |
| */ |
| public abstract class AbstractIllegalTypeReference extends AbstractProblemDetector { |
| |
| /** |
| * Map of fully qualified type names to associated component IDs that |
| * represent illegal references |
| */ |
| private Map<String, String> fIllegalTypes = new HashMap<>(); |
| |
| /** |
| * Adds the given type as not to be extended. |
| * |
| * @param type a type that is marked no extend |
| * @param componentId the component the type is located in |
| */ |
| void addIllegalType(IReferenceTypeDescriptor type, String componentId) { |
| fIllegalTypes.put(type.getQualifiedName(), componentId); |
| } |
| |
| @Override |
| public boolean considerReference(IReference reference) { |
| if (super.considerReference(reference) && fIllegalTypes.containsKey(reference.getReferencedTypeName())) { |
| retainReference(reference); |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Returns if the mapping contains the referenced type name |
| * |
| * @param reference |
| * @return true of the mapping contains the key false otherwise |
| */ |
| protected boolean isIllegalType(IReference reference) { |
| return fIllegalTypes.containsKey(reference.getReferencedTypeName()); |
| } |
| |
| @Override |
| protected boolean isProblem(IReference reference, IProgressMonitor monitor) { |
| if (!super.isProblem(reference, monitor)) { |
| return false; |
| } |
| IApiMember type = reference.getResolvedReference(); |
| boolean isConstructorVirtualMethod = false; |
| if (type.getName().equals("<init>") && reference.getReferenceKind() == IReference.REF_VIRTUALMETHOD) {//$NON-NLS-1$ |
| if (type.getParent() != null) { |
| isConstructorVirtualMethod = true; |
| } |
| } |
| String componentId = fIllegalTypes.get(isConstructorVirtualMethod ? type.getParent().getName() : type.getName()); |
| return isReferenceFromComponent(reference, componentId); |
| } |
| |
| @Override |
| protected Position getSourceRange(IType type, IDocument doc, IReference reference) throws CoreException, BadLocationException { |
| IApiMember member = reference.getMember(); |
| if (member.getType() == IApiElement.TYPE) { |
| ApiType ltype = (ApiType) member; |
| IMethod method = null; |
| if (ltype.isAnonymous()) { |
| // has a side-effect on |
| // reference.getMember().setEnclosingMethodInfo(..) |
| getEnclosingMethod(type, reference, doc); |
| if (reference.getLineNumber() < 0) { |
| return defaultSourcePosition(type, reference); |
| } |
| String name = getSimpleTypeName(reference.getResolvedReference()); |
| Position pos = getMethodNameRange(true, name, doc, reference); |
| if (pos == null) { |
| return defaultSourcePosition(type, reference); |
| } |
| return pos; |
| } |
| if (ltype.isLocal()) { |
| String name = ltype.getSimpleName(); |
| ICompilationUnit cunit = type.getCompilationUnit(); |
| if (cunit.isWorkingCopy()) { |
| cunit.reconcile(AST.getJLSLatest(), false, null, null); |
| } |
| IType localtype = type; |
| method = getEnclosingMethod(type, reference, doc); |
| if (method != null) { |
| localtype = method.getType(name, 1); |
| } |
| if (localtype.exists()) { |
| ISourceRange range = localtype.getNameRange(); |
| return new Position(range.getOffset(), range.getLength()); |
| } |
| return defaultSourcePosition(type, reference); |
| } |
| } |
| ISourceRange range = type.getNameRange(); |
| Position pos = null; |
| if (range != null) { |
| pos = new Position(range.getOffset(), range.getLength()); |
| } |
| if (pos == null) { |
| return defaultSourcePosition(type, reference); |
| } |
| return pos; |
| } |
| |
| @Override |
| protected int getElementType(IReference reference) { |
| return IElementDescriptor.TYPE; |
| } |
| |
| @Override |
| protected String[] getMessageArgs(IReference reference) throws CoreException { |
| IApiMember member = reference.getMember(); |
| if (member.getType() == IApiElement.TYPE) { |
| ApiType ltype = (ApiType) member; |
| String simpleTypeName = getSimpleTypeName(reference.getResolvedReference()); |
| if (ltype.isAnonymous()) { |
| IApiType etype = ltype.getEnclosingType(); |
| String signature = Signatures.getQualifiedTypeSignature(etype); |
| IApiMethod method = ltype.getEnclosingMethod(); |
| if (method != null) { |
| signature = Signatures.getQualifiedMethodSignature(method); |
| } |
| return new String[] { signature, simpleTypeName }; |
| } |
| if (ltype.isLocal()) { |
| // local types are always defined in methods, include enclosing |
| // method infos in message |
| IApiType etype = ltype.getEnclosingType(); |
| IApiMethod method = ltype.getEnclosingMethod(); |
| if (method != null) { |
| String methodsig = Signatures.getQualifiedMethodSignature(method); |
| return new String[] { |
| Signatures.getAnonymousTypeName(ltype.getName()), |
| methodsig, simpleTypeName }; |
| } else { |
| return new String[] { |
| Signatures.getAnonymousTypeName(ltype.getName()), |
| getSimpleTypeName(etype), simpleTypeName }; |
| } |
| } |
| } |
| return new String[] { |
| getSimpleTypeName(reference.getResolvedReference()), |
| getSimpleTypeName(reference.getMember()) }; |
| } |
| |
| @Override |
| protected String[] getQualifiedMessageArgs(IReference reference) throws CoreException { |
| IApiMember member = reference.getMember(); |
| if (member.getType() == IApiElement.TYPE) { |
| ApiType ltype = (ApiType) member; |
| if (ltype.isLocal() || ltype.isAnonymous()) { |
| return getMessageArgs(reference); |
| } |
| } |
| return new String[] { |
| getQualifiedTypeName(reference.getResolvedReference()), |
| getQualifiedTypeName(reference.getMember()) }; |
| } |
| |
| @Override |
| protected int getProblemFlags(IReference reference) { |
| IApiMember member = reference.getMember(); |
| if (member.getType() == IApiElement.TYPE) { |
| IApiType type = (IApiType) reference.getMember(); |
| if (type.isLocal()) { |
| return IApiProblem.LOCAL_TYPE; |
| } |
| if (type.isAnonymous()) { |
| return IApiProblem.ANONYMOUS_TYPE; |
| } |
| } |
| return IApiProblem.NO_FLAGS; |
| } |
| } |