/******************************************************************************* * Copyright (c) 2000, 2012 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.core.search.matching; import org.eclipse.core.runtime.CoreException; import org.eclipse.jdt.core.*; import org.eclipse.jdt.core.compiler.CharOperation; import org.eclipse.jdt.core.search.*; import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration; import org.eclipse.jdt.internal.compiler.classfmt.FieldInfo; import org.eclipse.jdt.internal.compiler.classfmt.MethodInfo; import org.eclipse.jdt.internal.compiler.env.*; import org.eclipse.jdt.internal.compiler.lookup.*; import org.eclipse.jdt.internal.core.*; import org.eclipse.jdt.internal.core.search.indexing.IIndexConstants; public class ClassFileMatchLocator implements IIndexConstants { private static final long TARGET_ANNOTATION_BITS = TagBits.AnnotationForType | TagBits.AnnotationForParameter | TagBits.AnnotationForPackage | TagBits.AnnotationForMethod | TagBits.AnnotationForLocalVariable | TagBits.AnnotationForField | TagBits.AnnotationForConstructor | TagBits.AnnotationForAnnotationType; private static final char[] JAVA_LANG_ANNOTATION_ELEMENTTYPE = CharOperation.concatWith(TypeConstants.JAVA_LANG_ANNOTATION_ELEMENTTYPE, '.'); public static char[] convertClassFileFormat(char[] name) { return CharOperation.replaceOnCopy(name, '/', '.'); } private boolean checkAnnotation(IBinaryAnnotation annotation, TypeReferencePattern pattern) { if (checkTypeName(pattern.simpleName, pattern.qualification, convertClassFileFormat(Signature.toCharArray(annotation.getTypeName())), pattern.isCaseSensitive, pattern.isCamelCase)) { return true; } IBinaryElementValuePair[] valuePairs = annotation.getElementValuePairs(); if (valuePairs != null) { for (int j=0, vpLength=valuePairs.length; j<vpLength; j++) { IBinaryElementValuePair valuePair = valuePairs[j]; Object pairValue = valuePair.getValue(); if (pairValue instanceof IBinaryAnnotation) { if (checkAnnotation((IBinaryAnnotation) pairValue, pattern)) { return true; } } } } return false; } private boolean checkAnnotations(TypeReferencePattern pattern, IBinaryAnnotation[] annotations, long tagBits) { if (annotations != null) { for (int a=0, length=annotations.length; a<length; a++) { IBinaryAnnotation annotation = annotations[a]; if (checkAnnotation(annotation, pattern)) { return true; } } } if ((tagBits & TagBits.AllStandardAnnotationsMask) != 0 && checkStandardAnnotations(tagBits, pattern)) { return true; } return false; } private boolean checkAnnotationTypeReference(char[] fullyQualifiedName, TypeReferencePattern pattern) { return checkTypeName(pattern.simpleName, pattern.qualification, fullyQualifiedName, pattern.isCaseSensitive, pattern.isCamelCase); } private boolean checkDeclaringType(IBinaryType enclosingBinaryType, char[] simpleName, char[] qualification, boolean isCaseSensitive, boolean isCamelCase) { if (simpleName == null && qualification == null) return true; if (enclosingBinaryType == null) return true; char[] declaringTypeName = convertClassFileFormat(enclosingBinaryType.getName()); return checkTypeName(simpleName, qualification, declaringTypeName, isCaseSensitive, isCamelCase); } private boolean checkParameters(char[] methodDescriptor, char[][] parameterSimpleNames, char[][] parameterQualifications, boolean isCaseSensitive, boolean isCamelCase) { char[][] arguments = Signature.getParameterTypes(methodDescriptor); int parameterCount = parameterSimpleNames.length; if (parameterCount != arguments.length) return false; for (int i = 0; i < parameterCount; i++) if (!checkTypeName(parameterSimpleNames[i], parameterQualifications[i], Signature.toCharArray(arguments[i]), isCaseSensitive, isCamelCase)) return false; return true; } private boolean checkStandardAnnotations(long annotationTagBits, TypeReferencePattern pattern) { if ((annotationTagBits & TagBits.AllStandardAnnotationsMask) == 0) { return false; } if ((annotationTagBits & TagBits.AnnotationTargetMASK) != 0) { char[][] compoundName = TypeConstants.JAVA_LANG_ANNOTATION_TARGET; if (checkAnnotationTypeReference(CharOperation.concatWith(compoundName, '.'), pattern) || ((annotationTagBits & TARGET_ANNOTATION_BITS) != 0 && checkAnnotationTypeReference(JAVA_LANG_ANNOTATION_ELEMENTTYPE, pattern))) { return true; } } if ((annotationTagBits & TagBits.AnnotationRetentionMASK) != 0) { char[][] compoundName = TypeConstants.JAVA_LANG_ANNOTATION_RETENTION; if (checkAnnotationTypeReference(CharOperation.concatWith(compoundName, '.'), pattern) || checkAnnotationTypeReference(CharOperation.concatWith(TypeConstants.JAVA_LANG_ANNOTATION_RETENTIONPOLICY, '.'), pattern)) { return true; } } if ((annotationTagBits & TagBits.AnnotationDeprecated) != 0) { char[][] compoundName = TypeConstants.JAVA_LANG_DEPRECATED; if (checkAnnotationTypeReference(CharOperation.concatWith(compoundName, '.'), pattern)) { return true; } } if ((annotationTagBits & TagBits.AnnotationDocumented) != 0) { char[][] compoundName = TypeConstants.JAVA_LANG_ANNOTATION_DOCUMENTED; if (checkAnnotationTypeReference(CharOperation.concatWith(compoundName, '.'), pattern)) { return true; } } if ((annotationTagBits & TagBits.AnnotationInherited) != 0) { char[][] compoundName = TypeConstants.JAVA_LANG_ANNOTATION_INHERITED; if (checkAnnotationTypeReference(CharOperation.concatWith(compoundName, '.'), pattern)) { return true; } } if ((annotationTagBits & TagBits.AnnotationOverride) != 0) { char[][] compoundName = TypeConstants.JAVA_LANG_OVERRIDE; if (checkAnnotationTypeReference(CharOperation.concatWith(compoundName, '.'), pattern)) { return true; } } if ((annotationTagBits & TagBits.AnnotationSuppressWarnings) != 0) { char[][] compoundName = TypeConstants.JAVA_LANG_SUPPRESSWARNINGS; if (checkAnnotationTypeReference(CharOperation.concatWith(compoundName, '.'), pattern)) { return true; } } if ((annotationTagBits & TagBits.AnnotationSafeVarargs) != 0) { char[][] compoundName = TypeConstants.JAVA_LANG_SAFEVARARGS; if (checkAnnotationTypeReference(CharOperation.concatWith(compoundName, '.'), pattern)) { return true; } } if ((annotationTagBits & TagBits.AnnotationPolymorphicSignature) != 0) { char[][] compoundName = TypeConstants.JAVA_LANG_INVOKE_METHODHANDLE_$_POLYMORPHICSIGNATURE; if (checkAnnotationTypeReference(CharOperation.concatWith(compoundName, '.'), pattern)) { return true; } } return false; } private boolean checkTypeName(char[] simpleName, char[] qualification, char[] fullyQualifiedTypeName, boolean isCaseSensitive, boolean isCamelCase) { // NOTE: if case insensitive then simpleName & qualification are assumed to be lowercase char[] wildcardPattern = PatternLocator.qualifiedPattern(simpleName, qualification); if (wildcardPattern == null) return true; return CharOperation.match(wildcardPattern, fullyQualifiedTypeName, isCaseSensitive); } /** * Locate declaration in the current class file. This class file is always in a jar. */ public void locateMatches(MatchLocator locator, ClassFile classFile, IBinaryType info) throws CoreException { SearchPattern pattern = locator.pattern; // check annotations references matchAnnotations(pattern, locator, classFile, info); // check class definition BinaryType binaryType = (BinaryType) classFile.getType(); if (matchBinary(pattern, info, null)) { binaryType = new ResolvedBinaryType((JavaElement) binaryType.getParent(), binaryType.getElementName(), binaryType.getKey()); locator.reportBinaryMemberDeclaration(null, binaryType, null, info, SearchMatch.A_ACCURATE); return; } // Define arrays to store methods/fields from binary type if necessary IBinaryMethod[] binaryMethods = info.getMethods(); int bMethodsLength = binaryMethods == null ? 0 : binaryMethods.length; IBinaryMethod[] unresolvedMethods = null; char[][] binaryMethodSignatures = null; boolean hasUnresolvedMethods = false; // Get fields from binary type info IBinaryField[] binaryFields = info.getFields(); int bFieldsLength = binaryFields == null ? 0 : binaryFields.length; IBinaryField[] unresolvedFields = null; boolean hasUnresolvedFields = false; // Report as many accurate matches as possible int accuracy = SearchMatch.A_ACCURATE; boolean mustResolve = pattern.mustResolve; if (mustResolve) { BinaryTypeBinding binding = locator.cacheBinaryType(binaryType, info); if (binding != null) { // filter out element not in hierarchy scope if (!locator.typeInHierarchy(binding)) return; // Search matches on resolved methods MethodBinding[] availableMethods = binding.availableMethods(); int aMethodsLength = availableMethods == null ? 0 : availableMethods.length; hasUnresolvedMethods = bMethodsLength != aMethodsLength; for (int i = 0; i < aMethodsLength; i++) { MethodBinding method = availableMethods[i]; char[] methodSignature = method.genericSignature(); if (methodSignature == null) methodSignature = method.signature(); // Report the match if possible int level = locator.patternLocator.resolveLevel(method); if (level != PatternLocator.IMPOSSIBLE_MATCH) { IMethod methodHandle = binaryType.getMethod( new String(method.isConstructor() ? binding.compoundName[binding.compoundName.length-1] : method.selector), CharOperation.toStrings(Signature.getParameterTypes(convertClassFileFormat(methodSignature)))); accuracy = level == PatternLocator.ACCURATE_MATCH ? SearchMatch.A_ACCURATE : SearchMatch.A_INACCURATE; locator.reportBinaryMemberDeclaration(null, methodHandle, method, info, accuracy); } // Remove method from unresolved list if (hasUnresolvedMethods) { if (binaryMethodSignatures == null) { // Store binary method signatures to avoid multiple computation binaryMethodSignatures = new char[bMethodsLength][]; for (int j=0; j<bMethodsLength; j++) { IBinaryMethod binaryMethod = binaryMethods[j]; char[] signature = binaryMethod.getGenericSignature(); if (signature == null) signature = binaryMethod.getMethodDescriptor(); binaryMethodSignatures[j] = signature; } } for (int j=0; j<bMethodsLength; j++) { if (CharOperation.equals(binaryMethods[j].getSelector(), method.selector) && CharOperation.equals(binaryMethodSignatures[j], methodSignature)) { if (unresolvedMethods == null) { System.arraycopy(binaryMethods, 0, unresolvedMethods = new IBinaryMethod[bMethodsLength], 0, bMethodsLength); } unresolvedMethods[j] = null; break; } } } } // Search matches on resolved fields FieldBinding[] availableFields = binding.availableFields(); int aFieldsLength = availableFields == null ? 0 : availableFields.length; hasUnresolvedFields = bFieldsLength != aFieldsLength; for (int i = 0; i < aFieldsLength; i++) { FieldBinding field = availableFields[i]; // Report the match if possible int level = locator.patternLocator.resolveLevel(field); if (level != PatternLocator.IMPOSSIBLE_MATCH) { IField fieldHandle = binaryType.getField(new String(field.name)); accuracy = level == PatternLocator.ACCURATE_MATCH ? SearchMatch.A_ACCURATE : SearchMatch.A_INACCURATE; locator.reportBinaryMemberDeclaration(null, fieldHandle, field, info, accuracy); } // Remove the field from unresolved list if (hasUnresolvedFields) { for (int j=0; j<bFieldsLength; j++) { if ( CharOperation.equals(binaryFields[j].getName(), field.name)) { if (unresolvedFields == null) { System.arraycopy(binaryFields, 0, unresolvedFields = new IBinaryField[bFieldsLength], 0, bFieldsLength); } unresolvedFields[j] = null; break; } } } } // If all methods/fields were accurate then returns now if (!hasUnresolvedMethods && !hasUnresolvedFields) { return; } } accuracy = SearchMatch.A_INACCURATE; } // Report inaccurate methods if (mustResolve) binaryMethods = unresolvedMethods; bMethodsLength = binaryMethods == null ? 0 : binaryMethods.length; for (int i=0; i < bMethodsLength; i++) { IBinaryMethod method = binaryMethods[i]; if (method == null) continue; // impossible match or already reported as accurate if (matchBinary(pattern, method, info)) { char[] name; if (method.isConstructor()) { // https://bugs.eclipse.org/bugs/show_bug.cgi?id=329727 // We don't need the enclosing type name for the constructor name name = info.getSourceName(); } else { name = method.getSelector(); } String selector = new String(name); char[] methodSignature = binaryMethodSignatures == null ? null : binaryMethodSignatures[i]; if (methodSignature == null) { methodSignature = method.getGenericSignature(); if (methodSignature == null) methodSignature = method.getMethodDescriptor(); } String[] parameterTypes = CharOperation.toStrings(Signature.getParameterTypes(convertClassFileFormat(methodSignature))); IMethod methodHandle = binaryType.getMethod(selector, parameterTypes); methodHandle = new ResolvedBinaryMethod(binaryType, selector, parameterTypes, methodHandle.getKey()); locator.reportBinaryMemberDeclaration(null, methodHandle, null, info, accuracy); } } // Report inaccurate fields if (mustResolve) binaryFields = unresolvedFields; bFieldsLength = binaryFields == null ? 0 : binaryFields.length; for (int i=0; i<bFieldsLength; i++) { IBinaryField field = binaryFields[i]; if (field == null) continue; // impossible match or already reported as accurate if (matchBinary(pattern, field, info)) { String fieldName = new String(field.getName()); IField fieldHandle = binaryType.getField(fieldName); fieldHandle = new ResolvedBinaryField(binaryType, fieldName, fieldHandle.getKey()); locator.reportBinaryMemberDeclaration(null, fieldHandle, null, info, accuracy); } } } /* * Look for annotations references */ private void matchAnnotations(SearchPattern pattern, MatchLocator locator, ClassFile classFile, IBinaryType binaryType) throws CoreException { // Only process TypeReference patterns switch (pattern.kind) { case TYPE_REF_PATTERN: break; case OR_PATTERN: SearchPattern[] patterns = ((OrPattern) pattern).patterns; for (int i = 0, length = patterns.length; i < length; i++) { matchAnnotations(patterns[i], locator, classFile, binaryType); } // $FALL-THROUGH$ - fall through default to return default: return; } TypeReferencePattern typeReferencePattern = (TypeReferencePattern) pattern; // Look for references in class annotations IBinaryAnnotation[] annotations = binaryType.getAnnotations(); BinaryType classFileBinaryType = (BinaryType) classFile.getType(); BinaryTypeBinding binaryTypeBinding = null; if (checkAnnotations(typeReferencePattern, annotations, binaryType.getTagBits())) { classFileBinaryType = new ResolvedBinaryType((JavaElement) classFileBinaryType.getParent(), classFileBinaryType.getElementName(), classFileBinaryType.getKey()); TypeReferenceMatch match = new TypeReferenceMatch(classFileBinaryType, SearchMatch.A_ACCURATE, -1, 0, false, locator.getParticipant(), locator.currentPossibleMatch.resource); // TODO 3.4 M7 (frederic) - bug 209996: see how create the annotation handle from the binary and put it in the local element match.setLocalElement(null); locator.report(match); } // Look for references in methods annotations MethodInfo[] methods = (MethodInfo[]) binaryType.getMethods(); if (methods != null) { for (int i = 0, max = methods.length; i < max; i++) { MethodInfo method = methods[i]; if (checkAnnotations(typeReferencePattern, method.getAnnotations(), method.getTagBits())) { binaryTypeBinding = locator.cacheBinaryType(classFileBinaryType, binaryType); IMethod methodHandle = classFileBinaryType.getMethod( new String(method.isConstructor() ? binaryTypeBinding.compoundName[binaryTypeBinding.compoundName.length-1] : method.getSelector()), CharOperation.toStrings(Signature.getParameterTypes(convertClassFileFormat(method.getMethodDescriptor())))); TypeReferenceMatch match = new TypeReferenceMatch(methodHandle, SearchMatch.A_ACCURATE, -1, 0, false, locator.getParticipant(), locator.currentPossibleMatch.resource); // TODO 3.4 M7 (frederic) - bug 209996: see how create the annotation handle from the binary and put it in the local element match.setLocalElement(null); locator.report(match); } } } // Look for references in fields annotations FieldInfo[] fields = (FieldInfo[]) binaryType.getFields(); if (fields != null) { for (int i = 0, max = fields.length; i < max; i++) { FieldInfo field = fields[i]; if (checkAnnotations(typeReferencePattern, field.getAnnotations(), field.getTagBits())) { IField fieldHandle = classFileBinaryType.getField(new String(field.getName())); TypeReferenceMatch match = new TypeReferenceMatch(fieldHandle, SearchMatch.A_ACCURATE, -1, 0, false, locator.getParticipant(), locator.currentPossibleMatch.resource); // TODO 3.4 M7 (frederic) - bug 209996: see how create the annotation handle from the binary and put it in the local element match.setLocalElement(null); locator.report(match); } } } } /** * Finds out whether the given binary info matches the search pattern. * Default is to return false. */ boolean matchBinary(SearchPattern pattern, Object binaryInfo, IBinaryType enclosingBinaryType) { switch (pattern.kind) { case CONSTRUCTOR_PATTERN : return matchConstructor((ConstructorPattern) pattern, binaryInfo, enclosingBinaryType); case FIELD_PATTERN : return matchField((FieldPattern) pattern, binaryInfo, enclosingBinaryType); case METHOD_PATTERN : return matchMethod((MethodPattern) pattern, binaryInfo, enclosingBinaryType); case SUPER_REF_PATTERN : return matchSuperTypeReference((SuperTypeReferencePattern) pattern, binaryInfo, enclosingBinaryType); case TYPE_DECL_PATTERN : return matchTypeDeclaration((TypeDeclarationPattern) pattern, binaryInfo, enclosingBinaryType); case OR_PATTERN : SearchPattern[] patterns = ((OrPattern) pattern).patterns; for (int i = 0, length = patterns.length; i < length; i++) if (matchBinary(patterns[i], binaryInfo, enclosingBinaryType)) return true; } return false; } boolean matchConstructor(ConstructorPattern pattern, Object binaryInfo, IBinaryType enclosingBinaryType) { if (!pattern.findDeclarations) return false; // only relevant when finding declarations if (!(binaryInfo instanceof IBinaryMethod)) return false; IBinaryMethod method = (IBinaryMethod) binaryInfo; if (!method.isConstructor()) return false; if (!checkDeclaringType(enclosingBinaryType, pattern.declaringSimpleName, pattern.declaringQualification, pattern.isCaseSensitive(), pattern.isCamelCase())) return false; if (pattern.parameterSimpleNames != null) { char[] methodDescriptor = convertClassFileFormat(method.getMethodDescriptor()); if (!checkParameters(methodDescriptor, pattern.parameterSimpleNames, pattern.parameterQualifications, pattern.isCaseSensitive(), pattern.isCamelCase())) return false; } return true; } boolean matchField(FieldPattern pattern, Object binaryInfo, IBinaryType enclosingBinaryType) { if (!pattern.findDeclarations) return false; // only relevant when finding declarations if (!(binaryInfo instanceof IBinaryField)) return false; IBinaryField field = (IBinaryField) binaryInfo; if (!pattern.matchesName(pattern.name, field.getName())) return false; if (!checkDeclaringType(enclosingBinaryType, pattern.declaringSimpleName, pattern.declaringQualification, pattern.isCaseSensitive(), pattern.isCamelCase())) return false; char[] fieldTypeSignature = Signature.toCharArray(convertClassFileFormat(field.getTypeName())); return checkTypeName(pattern.typeSimpleName, pattern.typeQualification, fieldTypeSignature, pattern.isCaseSensitive(), pattern.isCamelCase()); } boolean matchMethod(MethodPattern pattern, Object binaryInfo, IBinaryType enclosingBinaryType) { if (!pattern.findDeclarations) return false; // only relevant when finding declarations if (!(binaryInfo instanceof IBinaryMethod)) return false; IBinaryMethod method = (IBinaryMethod) binaryInfo; if (!pattern.matchesName(pattern.selector, method.getSelector())) return false; if (!checkDeclaringType(enclosingBinaryType, pattern.declaringSimpleName, pattern.declaringQualification, pattern.isCaseSensitive(), pattern.isCamelCase())) return false; // look at return type only if declaring type is not specified boolean checkReturnType = pattern.declaringSimpleName == null && (pattern.returnSimpleName != null || pattern.returnQualification != null); boolean checkParameters = pattern.parameterSimpleNames != null; if (checkReturnType || checkParameters) { char[] methodDescriptor = convertClassFileFormat(method.getMethodDescriptor()); if (checkReturnType) { char[] returnTypeSignature = Signature.toCharArray(Signature.getReturnType(methodDescriptor)); if (!checkTypeName(pattern.returnSimpleName, pattern.returnQualification, returnTypeSignature, pattern.isCaseSensitive(), pattern.isCamelCase())) return false; } if (checkParameters && !checkParameters(methodDescriptor, pattern.parameterSimpleNames, pattern.parameterQualifications, pattern.isCaseSensitive(), pattern.isCamelCase())) return false; } return true; } boolean matchSuperTypeReference(SuperTypeReferencePattern pattern, Object binaryInfo, IBinaryType enclosingBinaryType) { if (!(binaryInfo instanceof IBinaryType)) return false; IBinaryType type = (IBinaryType) binaryInfo; if (pattern.superRefKind != SuperTypeReferencePattern.ONLY_SUPER_INTERFACES) { char[] vmName = type.getSuperclassName(); if (vmName != null) { char[] superclassName = convertClassFileFormat(vmName); if (checkTypeName(pattern.superSimpleName, pattern.superQualification, superclassName, pattern.isCaseSensitive(), pattern.isCamelCase())) return true; } } if (pattern.superRefKind != SuperTypeReferencePattern.ONLY_SUPER_CLASSES) { char[][] superInterfaces = type.getInterfaceNames(); if (superInterfaces != null) { for (int i = 0, max = superInterfaces.length; i < max; i++) { char[] superInterfaceName = convertClassFileFormat(superInterfaces[i]); if (checkTypeName(pattern.superSimpleName, pattern.superQualification, superInterfaceName, pattern.isCaseSensitive(), pattern.isCamelCase())) return true; } } } return false; } boolean matchTypeDeclaration(TypeDeclarationPattern pattern, Object binaryInfo, IBinaryType enclosingBinaryType) { if (!(binaryInfo instanceof IBinaryType)) return false; IBinaryType type = (IBinaryType) binaryInfo; char[] fullyQualifiedTypeName = convertClassFileFormat(type.getName()); boolean qualifiedPattern = pattern instanceof QualifiedTypeDeclarationPattern; if (pattern.enclosingTypeNames == null || qualifiedPattern) { char[] simpleName = (pattern.getMatchMode() == SearchPattern.R_PREFIX_MATCH) ? CharOperation.concat(pattern.simpleName, IIndexConstants.ONE_STAR) : pattern.simpleName; char[] pkg = qualifiedPattern ? ((QualifiedTypeDeclarationPattern)pattern).qualification : pattern.pkg; if (!checkTypeName(simpleName, pkg, fullyQualifiedTypeName, pattern.isCaseSensitive(), pattern.isCamelCase())) return false; } else { char[] enclosingTypeName = CharOperation.concatWith(pattern.enclosingTypeNames, '.'); char[] patternString = pattern.pkg == null ? enclosingTypeName : CharOperation.concat(pattern.pkg, enclosingTypeName, '.'); if (!checkTypeName(pattern.simpleName, patternString, fullyQualifiedTypeName, pattern.isCaseSensitive(), pattern.isCamelCase())) return false; } int kind = TypeDeclaration.kind(type.getModifiers()); switch (pattern.typeSuffix) { case CLASS_SUFFIX: return kind == TypeDeclaration.CLASS_DECL; case INTERFACE_SUFFIX: return kind == TypeDeclaration.INTERFACE_DECL; case ENUM_SUFFIX: return kind == TypeDeclaration.ENUM_DECL; case ANNOTATION_TYPE_SUFFIX: return kind == TypeDeclaration.ANNOTATION_TYPE_DECL; case CLASS_AND_INTERFACE_SUFFIX: return kind == TypeDeclaration.CLASS_DECL || kind == TypeDeclaration.INTERFACE_DECL; case CLASS_AND_ENUM_SUFFIX: return kind == TypeDeclaration.CLASS_DECL || kind == TypeDeclaration.ENUM_DECL; case INTERFACE_AND_ANNOTATION_SUFFIX: return kind == TypeDeclaration.INTERFACE_DECL || kind == TypeDeclaration.ANNOTATION_TYPE_DECL; case TYPE_SUFFIX: // nothing } return true; } }