| /******************************************************************************* |
| * Copyright (c) 2000, 2009 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 |
| * $Id: ClassFileReader.java 23404 2010-02-03 14:10:22Z stephan $ |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Fraunhofer FIRST - extended API and implementation |
| * Technical University Berlin - extended API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.compiler.classfmt; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.LinkedList; |
| |
| import org.eclipse.jdt.core.compiler.CharOperation; |
| import org.eclipse.jdt.internal.compiler.codegen.AttributeNamesConstants; |
| import org.eclipse.jdt.internal.compiler.env.*; |
| import org.eclipse.jdt.internal.compiler.impl.Constant; |
| import org.eclipse.jdt.internal.compiler.lookup.BinaryTypeBinding; |
| import org.eclipse.jdt.internal.compiler.lookup.ExtraCompilerModifiers; |
| import org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment; |
| import org.eclipse.jdt.internal.compiler.lookup.TagBits; |
| import org.eclipse.jdt.internal.compiler.lookup.TypeIds; |
| import org.eclipse.jdt.internal.compiler.util.Util; |
| import org.eclipse.objectteams.otdt.core.compiler.IOTConstants; |
| import org.eclipse.objectteams.otdt.internal.core.compiler.bytecode.*; |
| |
| /** |
| * OTDT changes: |
| * |
| * What: Support reading of OT-specific byte code attributes |
| * How: call AbstractAttribute.clearReadAttributes() and create individual attributes |
| * from constructor. |
| * |
| * What: Flag-handling: support AccSynthetic (as doc already claimed) and AccTeam/AccRole. |
| * |
| * @version $Id: ClassFileReader.java 23404 2010-02-03 14:10:22Z stephan $ |
| */ |
| public class ClassFileReader extends ClassFileStruct implements IBinaryType { |
| |
| private int accessFlags; |
| private char[] classFileName; |
| private char[] className; |
| private int classNameIndex; |
| private int constantPoolCount; |
| private AnnotationInfo[] annotations; |
| private FieldInfo[] fields; |
| private int fieldsCount; |
| |
| // initialized in case the .class file is a nested type |
| private InnerClassInfo innerInfo; |
| private int innerInfoIndex; |
| private InnerClassInfo[] innerInfos; |
| private char[][] interfaceNames; |
| private int interfacesCount; |
| private MethodInfo[] methods; |
| private int methodsCount; |
| private char[] signature; |
| private char[] sourceName; |
| private char[] sourceFileName; |
| private char[] superclassName; |
| //{ObjectTeams: additional fields |
| // one more kind of 'super': |
| private char[] baseclassName; |
| // After reading a class file its class-level attributes are stored here. |
| private LinkedList<AbstractAttribute> classAttributes = new LinkedList<AbstractAttribute>(); |
| // for additional state see below: #roleBaseBindings |
| // SH} |
| private long tagBits; |
| private long version; |
| private char[] enclosingTypeName; |
| private char[][][] missingTypeNames; |
| private int enclosingNameAndTypeIndex; |
| private char[] enclosingMethod; |
| |
| private static String printTypeModifiers(int modifiers) { |
| java.io.ByteArrayOutputStream out = new java.io.ByteArrayOutputStream(); |
| java.io.PrintWriter print = new java.io.PrintWriter(out); |
| |
| if ((modifiers & ClassFileConstants.AccPublic) != 0) print.print("public "); //$NON-NLS-1$ |
| if ((modifiers & ClassFileConstants.AccPrivate) != 0) print.print("private "); //$NON-NLS-1$ |
| if ((modifiers & ClassFileConstants.AccFinal) != 0) print.print("final "); //$NON-NLS-1$ |
| if ((modifiers & ClassFileConstants.AccSuper) != 0) print.print("super "); //$NON-NLS-1$ |
| if ((modifiers & ClassFileConstants.AccInterface) != 0) print.print("interface "); //$NON-NLS-1$ |
| if ((modifiers & ClassFileConstants.AccAbstract) != 0) print.print("abstract "); //$NON-NLS-1$ |
| print.flush(); |
| return out.toString(); |
| } |
| |
| public static ClassFileReader read(File file) throws ClassFormatException, IOException { |
| return read(file, false); |
| } |
| |
| public static ClassFileReader read(File file, boolean fullyInitialize) throws ClassFormatException, IOException { |
| byte classFileBytes[] = Util.getFileByteContent(file); |
| ClassFileReader classFileReader = new ClassFileReader(classFileBytes, file.getAbsolutePath().toCharArray()); |
| if (fullyInitialize) { |
| classFileReader.initialize(); |
| } |
| return classFileReader; |
| } |
| |
| public static ClassFileReader read(InputStream stream, String fileName) throws ClassFormatException, IOException { |
| return read(stream, fileName, false); |
| } |
| |
| public static ClassFileReader read(InputStream stream, String fileName, boolean fullyInitialize) throws ClassFormatException, IOException { |
| byte classFileBytes[] = Util.getInputStreamAsByteArray(stream, -1); |
| ClassFileReader classFileReader = new ClassFileReader(classFileBytes, fileName.toCharArray()); |
| if (fullyInitialize) { |
| classFileReader.initialize(); |
| } |
| return classFileReader; |
| } |
| |
| public static ClassFileReader read( |
| java.util.zip.ZipFile zip, |
| String filename) |
| throws ClassFormatException, java.io.IOException { |
| return read(zip, filename, false); |
| } |
| |
| public static ClassFileReader read( |
| java.util.zip.ZipFile zip, |
| String filename, |
| boolean fullyInitialize) |
| throws ClassFormatException, java.io.IOException { |
| java.util.zip.ZipEntry ze = zip.getEntry(filename); |
| if (ze == null) |
| return null; |
| byte classFileBytes[] = Util.getZipEntryByteContent(ze, zip); |
| ClassFileReader classFileReader = new ClassFileReader(classFileBytes, filename.toCharArray()); |
| if (fullyInitialize) { |
| classFileReader.initialize(); |
| } |
| return classFileReader; |
| } |
| |
| public static ClassFileReader read(String fileName) throws ClassFormatException, java.io.IOException { |
| return read(fileName, false); |
| } |
| |
| public static ClassFileReader read(String fileName, boolean fullyInitialize) throws ClassFormatException, java.io.IOException { |
| return read(new File(fileName), fullyInitialize); |
| } |
| |
| //{ObjectTeams: access to byte code and an offset. |
| private int headerOffset; |
| public int getHeaderOffset() { |
| return this.headerOffset; |
| } |
| |
| public byte[] getBytes() { |
| return this.reference; |
| } |
| // SH} |
| |
| /** |
| * @param classFileBytes Actual bytes of a .class file |
| * @param fileName Actual name of the file that contains the bytes, can be null |
| * |
| * @exception ClassFormatException |
| */ |
| public ClassFileReader(byte classFileBytes[], char[] fileName) throws ClassFormatException { |
| this(classFileBytes, fileName, false); |
| } |
| |
| /** |
| * @param classFileBytes byte[] |
| * Actual bytes of a .class file |
| * |
| * @param fileName char[] |
| * Actual name of the file that contains the bytes, can be null |
| * |
| * @param fullyInitialize boolean |
| * Flag to fully initialize the new object |
| * @exception ClassFormatException |
| */ |
| public ClassFileReader(byte[] classFileBytes, char[] fileName, boolean fullyInitialize) throws ClassFormatException { |
| // This method looks ugly but is actually quite simple, the constantPool is constructed |
| // in 3 passes. All non-primitive constant pool members that usually refer to other members |
| // by index are tweaked to have their value in inst vars, this minor cost at read-time makes |
| // all subsequent uses of the constant pool element faster. |
| super(classFileBytes, null, 0); |
| this.classFileName = fileName; |
| int readOffset = 10; |
| try { |
| this.version = ((long)u2At(6) << 16) + u2At(4); // major<<16 + minor |
| this.constantPoolCount = u2At(8); |
| // Pass #1 - Fill in all primitive constants |
| this.constantPoolOffsets = new int[this.constantPoolCount]; |
| for (int i = 1; i < this.constantPoolCount; i++) { |
| int tag = u1At(readOffset); |
| switch (tag) { |
| case ClassFileConstants.Utf8Tag : |
| this.constantPoolOffsets[i] = readOffset; |
| readOffset += u2At(readOffset + 1); |
| readOffset += ClassFileConstants.ConstantUtf8FixedSize; |
| break; |
| case ClassFileConstants.IntegerTag : |
| this.constantPoolOffsets[i] = readOffset; |
| readOffset += ClassFileConstants.ConstantIntegerFixedSize; |
| break; |
| case ClassFileConstants.FloatTag : |
| this.constantPoolOffsets[i] = readOffset; |
| readOffset += ClassFileConstants.ConstantFloatFixedSize; |
| break; |
| case ClassFileConstants.LongTag : |
| this.constantPoolOffsets[i] = readOffset; |
| readOffset += ClassFileConstants.ConstantLongFixedSize; |
| i++; |
| break; |
| case ClassFileConstants.DoubleTag : |
| this.constantPoolOffsets[i] = readOffset; |
| readOffset += ClassFileConstants.ConstantDoubleFixedSize; |
| i++; |
| break; |
| case ClassFileConstants.ClassTag : |
| this.constantPoolOffsets[i] = readOffset; |
| readOffset += ClassFileConstants.ConstantClassFixedSize; |
| break; |
| case ClassFileConstants.StringTag : |
| this.constantPoolOffsets[i] = readOffset; |
| readOffset += ClassFileConstants.ConstantStringFixedSize; |
| break; |
| case ClassFileConstants.FieldRefTag : |
| this.constantPoolOffsets[i] = readOffset; |
| readOffset += ClassFileConstants.ConstantFieldRefFixedSize; |
| break; |
| case ClassFileConstants.MethodRefTag : |
| this.constantPoolOffsets[i] = readOffset; |
| readOffset += ClassFileConstants.ConstantMethodRefFixedSize; |
| break; |
| case ClassFileConstants.InterfaceMethodRefTag : |
| this.constantPoolOffsets[i] = readOffset; |
| readOffset += ClassFileConstants.ConstantInterfaceMethodRefFixedSize; |
| break; |
| case ClassFileConstants.NameAndTypeTag : |
| this.constantPoolOffsets[i] = readOffset; |
| readOffset += ClassFileConstants.ConstantNameAndTypeFixedSize; |
| } |
| } |
| //{ObjectTeams: store offset |
| this.headerOffset = readOffset; |
| // SH} |
| // Read and validate access flags |
| this.accessFlags = u2At(readOffset); |
| readOffset += 2; |
| |
| // Read the classname, use exception handlers to catch bad format |
| this.classNameIndex = u2At(readOffset); |
| this.className = getConstantClassNameAt(this.classNameIndex); |
| readOffset += 2; |
| //{ObjectTeams: org.objectteams.Team requires a phantom flag: |
| if (CharOperation.equals(this.className, "org/objectteams/Team".toCharArray())) //$NON-NLS-1$ |
| this.accessFlags |= ClassFileConstants.AccTeam; |
| // SH} |
| |
| // Read the superclass name, can be null for java.lang.Object |
| int superclassNameIndex = u2At(readOffset); |
| readOffset += 2; |
| // if superclassNameIndex is equals to 0 there is no need to set a value for the |
| // field this.superclassName. null is fine. |
| if (superclassNameIndex != 0) { |
| this.superclassName = getConstantClassNameAt(superclassNameIndex); |
| } |
| |
| // Read the interfaces, use exception handlers to catch bad format |
| this.interfacesCount = u2At(readOffset); |
| readOffset += 2; |
| if (this.interfacesCount != 0) { |
| this.interfaceNames = new char[this.interfacesCount][]; |
| for (int i = 0; i < this.interfacesCount; i++) { |
| this.interfaceNames[i] = getConstantClassNameAt(u2At(readOffset)); |
| readOffset += 2; |
| } |
| } |
| // Read the fields, use exception handlers to catch bad format |
| this.fieldsCount = u2At(readOffset); |
| readOffset += 2; |
| if (this.fieldsCount != 0) { |
| FieldInfo field; |
| this.fields = new FieldInfo[this.fieldsCount]; |
| for (int i = 0; i < this.fieldsCount; i++) { |
| field = FieldInfo.createField(this.reference, this.constantPoolOffsets, readOffset); |
| this.fields[i] = field; |
| readOffset += field.sizeInBytes(); |
| } |
| } |
| // Read the methods |
| this.methodsCount = u2At(readOffset); |
| readOffset += 2; |
| if (this.methodsCount != 0) { |
| this.methods = new MethodInfo[this.methodsCount]; |
| boolean isAnnotationType = (this.accessFlags & ClassFileConstants.AccAnnotation) != 0; |
| for (int i = 0; i < this.methodsCount; i++) { |
| this.methods[i] = isAnnotationType |
| ? AnnotationMethodInfo.createAnnotationMethod(this.reference, this.constantPoolOffsets, readOffset) |
| : MethodInfo.createMethod(this.reference, this.constantPoolOffsets, readOffset); |
| readOffset += this.methods[i].sizeInBytes(); |
| } |
| } |
| |
| // Read the attributes |
| int attributesCount = u2At(readOffset); |
| readOffset += 2; |
| |
| for (int i = 0; i < attributesCount; i++) { |
| int utf8Offset = this.constantPoolOffsets[u2At(readOffset)]; |
| char[] attributeName = utf8At(utf8Offset + 3, u2At(utf8Offset + 1)); |
| if (attributeName.length == 0) { |
| readOffset += (6 + u4At(readOffset + 2)); |
| continue; |
| } |
| //{ObjectTeams: integrate intepretation of OT-bytecode attributes (most is orig): |
| switch(attributeName[0] ) { |
| // OT: |
| case 'C' : |
| if (attributeName.length > 6) |
| switch (attributeName[6]) { |
| // Callin... |
| case 'M': |
| if (CharOperation.equals(attributeName, IOTConstants.CALLIN_METHOD_MAPPINGS)) |
| this.classAttributes.add(new CallinMethodMappingsAttribute(this, readOffset+6, this.constantPoolOffsets)); |
| break; |
| case 'P': |
| if (CharOperation.equals(attributeName, IOTConstants.CALLIN_PRECEDENCE)) |
| this.classAttributes.add(new CallinPrecedenceAttribute(this, readOffset+6, this.constantPoolOffsets)); |
| break; |
| case 'R': |
| if (CharOperation.equals(attributeName, IOTConstants.ROLE_BASE_BINDINGS)) |
| evaluateRoleBaseBindings(readOffset+6); |
| break; |
| // Callou... |
| case 't': |
| if (CharOperation.equals(attributeName, IOTConstants.CALLOUT_MAPPINGS)) |
| this.classAttributes.add(new CalloutMappingsAttribute(this, readOffset+6, this.constantPoolOffsets)); |
| break; |
| // ClassI... |
| case 'n': |
| if (CharOperation.equals(attributeName, IOTConstants.CLASS_INFO_ANCHORS)) |
| this.classAttributes.add(new CPTypeAnchorAttribute(this, readOffset+6, this.constantPoolOffsets)); |
| break; |
| } |
| break; |
| // :TO |
| case 'E' : |
| if (CharOperation.equals(attributeName, AttributeNamesConstants.EnclosingMethodName)) { |
| utf8Offset = |
| this.constantPoolOffsets[u2At(this.constantPoolOffsets[u2At(readOffset + 6)] + 1)]; |
| this.enclosingTypeName = utf8At(utf8Offset + 3, u2At(utf8Offset + 1)); |
| this.enclosingNameAndTypeIndex = u2At(readOffset + 8); |
| } |
| break; |
| case 'D' : |
| if (CharOperation.equals(attributeName, AttributeNamesConstants.DeprecatedName)) { |
| this.accessFlags |= ClassFileConstants.AccDeprecated; |
| } |
| break; |
| case 'I' : |
| if (CharOperation.equals(attributeName, AttributeNamesConstants.InnerClassName)) { |
| int innerOffset = readOffset + 6; |
| int number_of_classes = u2At(innerOffset); |
| if (number_of_classes != 0) { |
| innerOffset+= 2; |
| this.innerInfos = new InnerClassInfo[number_of_classes]; |
| for (int j = 0; j < number_of_classes; j++) { |
| this.innerInfos[j] = |
| new InnerClassInfo(this.reference, this.constantPoolOffsets, innerOffset); |
| if (this.classNameIndex == this.innerInfos[j].innerClassNameIndex) { |
| this.innerInfo = this.innerInfos[j]; |
| this.innerInfoIndex = j; |
| } |
| innerOffset += 8; |
| } |
| if (this.innerInfo != null) { |
| char[] enclosingType = this.innerInfo.getEnclosingTypeName(); |
| if (enclosingType != null) { |
| this.enclosingTypeName = enclosingType; |
| } |
| } |
| } |
| } else if (CharOperation.equals(attributeName, AttributeNamesConstants.InconsistentHierarchy)) { |
| this.tagBits |= TagBits.HierarchyHasProblems; |
| } |
| break; |
| // OT: |
| case 'O' : |
| if (CharOperation.equals(attributeName, IOTConstants.OT_CLASS_FLAGS)) |
| this.classAttributes.add(WordValueAttribute.readClassFlags(this, readOffset+6, this.constantPoolOffsets)); |
| else if (CharOperation.equals(attributeName, IOTConstants.OTSPECIAL_ACCESS)) |
| this.classAttributes.add(new OTSpecialAccessAttribute(this, readOffset+6, this.constantPoolOffsets)); |
| else if (CharOperation.equals(attributeName, IOTConstants.OT_COMPILER_VERSION)) |
| this.classAttributes.add(WordValueAttribute.readCompilerVersion(this, readOffset+6, this.constantPoolOffsets)); |
| else if (CharOperation.equals(attributeName, OTDynCallinBindingsAttribute.ATTRIBUTE_NAME)) |
| this.classAttributes.add(new OTDynCallinBindingsAttribute(this, readOffset+6, this.constantPoolOffsets)); |
| break; |
| case 'P' : |
| if (CharOperation.equals(attributeName, IOTConstants.PLAYEDBY_NAME)) { |
| SingleValueAttribute playedByAttr = SingleValueAttribute.readPlayedBy(this, readOffset+6, this.constantPoolOffsets); |
| this.classAttributes.add(playedByAttr); |
| this.baseclassName = playedByAttr.getValue(); |
| } |
| break; |
| // :TO |
| case 'S' : |
| if (attributeName.length > 2) { |
| switch(attributeName[1]) { |
| case 'o' : |
| if (CharOperation.equals(attributeName, AttributeNamesConstants.SourceName)) { |
| utf8Offset = this.constantPoolOffsets[u2At(readOffset + 6)]; |
| this.sourceFileName = utf8At(utf8Offset + 3, u2At(utf8Offset + 1)); |
| } |
| break; |
| case 'y' : |
| if (CharOperation.equals(attributeName, AttributeNamesConstants.SyntheticName)) { |
| this.accessFlags |= ClassFileConstants.AccSynthetic; |
| } |
| break; |
| case 'i' : |
| if (CharOperation.equals(attributeName, AttributeNamesConstants.SignatureName)) { |
| utf8Offset = this.constantPoolOffsets[u2At(readOffset + 6)]; |
| this.signature = utf8At(utf8Offset + 3, u2At(utf8Offset + 1)); |
| } |
| // OT: |
| break; |
| case 't' : |
| if (CharOperation.equals(attributeName, IOTConstants.STATIC_REPLACE_BINDINGS)) |
| this.classAttributes.add(new StaticReplaceBindingsAttribute(this, readOffset+6, this.constantPoolOffsets)); |
| // :TO |
| } |
| } |
| break; |
| case 'R' : |
| // OT: |
| if (attributeName.length > 2) { |
| switch(attributeName[1]) { |
| case 'u': |
| // orig: |
| if (CharOperation.equals(attributeName, AttributeNamesConstants.RuntimeVisibleAnnotationsName)) { |
| decodeAnnotations(readOffset, true); |
| } else if (CharOperation.equals(attributeName, AttributeNamesConstants.RuntimeInvisibleAnnotationsName)) { |
| decodeAnnotations(readOffset, false); |
| } |
| break; |
| // :giro |
| case 'o': |
| if (CharOperation.equals(attributeName, IOTConstants.ROLE_LOCAL_TYPES)) |
| this.classAttributes.add(new RoleLocalTypesAttribute(this, readOffset+6, this.constantPoolOffsets)); |
| if (CharOperation.equals(attributeName, IOTConstants.ROLE_FILES)) |
| this.classAttributes.add(new RoleFilesAttribute(this, readOffset+6, this.constantPoolOffsets)); |
| |
| break; |
| } |
| } |
| break; |
| // :TO |
| case 'M' : |
| if (CharOperation.equals(attributeName, AttributeNamesConstants.MissingTypesName)) { |
| // decode the missing types |
| int missingTypeOffset = readOffset + 6; |
| int numberOfMissingTypes = u2At(missingTypeOffset); |
| if (numberOfMissingTypes != 0) { |
| this.missingTypeNames = new char[numberOfMissingTypes][][]; |
| missingTypeOffset += 2; |
| for (int j = 0; j < numberOfMissingTypes; j++) { |
| utf8Offset = this.constantPoolOffsets[u2At(this.constantPoolOffsets[u2At(missingTypeOffset)] + 1)]; |
| char[] missingTypeConstantPoolName = utf8At(utf8Offset + 3, u2At(utf8Offset + 1)); |
| this.missingTypeNames[j] = CharOperation.splitOn('/', missingTypeConstantPoolName); |
| missingTypeOffset += 2; |
| } |
| } |
| } |
| } |
| // SH} |
| readOffset += (6 + u4At(readOffset + 2)); |
| } |
| if (fullyInitialize) { |
| initialize(); |
| } |
| } catch(ClassFormatException e) { |
| throw e; |
| } catch (Exception e) { |
| throw new ClassFormatException( |
| ClassFormatException.ErrTruncatedInput, |
| readOffset); |
| } |
| } |
| //{ObjectTeams: OT attributes: |
| |
| // role-base-bindings per team: |
| HashMap<String, String> roleBaseBindings; |
| // build the role-base map: |
| void evaluateRoleBaseBindings(int offset) { |
| int n = u2At(offset); |
| if (n == 0) return; |
| this.roleBaseBindings = new HashMap<String, String>(); |
| offset+=2; |
| for (int i=0; i<n; i++) { |
| // role name: |
| int utf8Offset = this.constantPoolOffsets[u2At(offset)]; |
| offset += 2; |
| char[] roleName = utf8At(utf8Offset + 3, u2At(utf8Offset + 1)); |
| // use the simple name as key |
| int otpos = CharOperation.indexOf(IOTConstants.OT_DELIM_NAME, roleName, true); |
| if (otpos != -1) |
| roleName = CharOperation.subarray(roleName, otpos+IOTConstants.OT_DELIM_LEN, -1); |
| // base name: |
| utf8Offset = this.constantPoolOffsets[u2At(offset)]; |
| offset += 2; |
| char[] baseName = utf8At(utf8Offset + 3, u2At(utf8Offset + 1)); |
| // store mapping: |
| this.roleBaseBindings.put(String.valueOf(roleName), String.valueOf(baseName)); |
| } |
| } |
| /** |
| * Answer the name of the base class bound to the given role or null. |
| * @param roleName simple source type name (no qualification, no __OT__ prefix) |
| * @return qualified base class name, encoded like "java.lang.Object" |
| */ |
| public String getBaseclassName(String roleName) { |
| if (this.roleBaseBindings == null) |
| return null; |
| return this.roleBaseBindings.get(roleName); |
| } |
| |
| public void evaluateOTAttributes(BinaryTypeBinding binaryTypeBinding, LookupEnvironment environment, char[][][] missingTypeNames) { |
| for (AbstractAttribute attr : this.classAttributes) |
| attr.evaluate(binaryTypeBinding, environment, missingTypeNames); |
| } |
| public Collection<AbstractAttribute> getOTAttributes() { |
| return this.classAttributes; |
| } |
| // SH} |
| |
| /** |
| * Answer the receiver's access flags. The value of the access_flags |
| * item is a mask of modifiers used with class and interface declarations. |
| * @return int |
| */ |
| public int accessFlags() { |
| return this.accessFlags; |
| } |
| |
| private void decodeAnnotations(int offset, boolean runtimeVisible) { |
| int numberOfAnnotations = u2At(offset + 6); |
| if (numberOfAnnotations > 0) { |
| int readOffset = offset + 8; |
| AnnotationInfo[] newInfos = null; |
| int newInfoCount = 0; |
| for (int i = 0; i < numberOfAnnotations; i++) { |
| // With the last parameter being 'false', the data structure will not be flushed out |
| AnnotationInfo newInfo = new AnnotationInfo(this.reference, this.constantPoolOffsets, readOffset, runtimeVisible, false); |
| readOffset += newInfo.readOffset; |
| long standardTagBits = newInfo.standardAnnotationTagBits; |
| if (standardTagBits != 0) { |
| this.tagBits |= standardTagBits; |
| } else { |
| if (newInfos == null) |
| newInfos = new AnnotationInfo[numberOfAnnotations - i]; |
| newInfos[newInfoCount++] = newInfo; |
| } |
| } |
| if (newInfos == null) |
| return; // nothing to record in this.annotations |
| |
| if (this.annotations == null) { |
| if (newInfoCount != newInfos.length) |
| System.arraycopy(newInfos, 0, newInfos = new AnnotationInfo[newInfoCount], 0, newInfoCount); |
| this.annotations = newInfos; |
| } else { |
| int length = this.annotations.length; |
| AnnotationInfo[] temp = new AnnotationInfo[length + newInfoCount]; |
| System.arraycopy(this.annotations, 0, temp, 0, length); |
| System.arraycopy(newInfos, 0, temp, length, newInfoCount); |
| this.annotations = temp; |
| } |
| } |
| } |
| |
| /** |
| * @return the annotations or null if there is none. |
| */ |
| public IBinaryAnnotation[] getAnnotations() { |
| return this.annotations; |
| } |
| |
| /** |
| * Answer the char array that corresponds to the class name of the constant class. |
| * constantPoolIndex is the index in the constant pool that is a constant class entry. |
| * |
| * @param constantPoolIndex int |
| * @return char[] |
| */ |
| private char[] getConstantClassNameAt(int constantPoolIndex) { |
| int utf8Offset = this.constantPoolOffsets[u2At(this.constantPoolOffsets[constantPoolIndex] + 1)]; |
| return utf8At(utf8Offset + 3, u2At(utf8Offset + 1)); |
| } |
| |
| /** |
| * Answer the int array that corresponds to all the offsets of each entry in the constant pool |
| * |
| * @return int[] |
| */ |
| public int[] getConstantPoolOffsets() { |
| return this.constantPoolOffsets; |
| } |
| |
| public char[] getEnclosingMethod() { |
| if (this.enclosingNameAndTypeIndex <= 0) { |
| return null; |
| } |
| if (this.enclosingMethod == null) { |
| // read the name |
| StringBuffer buffer = new StringBuffer(); |
| |
| int nameAndTypeOffset = this.constantPoolOffsets[this.enclosingNameAndTypeIndex]; |
| int utf8Offset = this.constantPoolOffsets[u2At(nameAndTypeOffset + 1)]; |
| buffer.append(utf8At(utf8Offset + 3, u2At(utf8Offset + 1))); |
| |
| utf8Offset = this.constantPoolOffsets[u2At(nameAndTypeOffset + 3)]; |
| buffer.append(utf8At(utf8Offset + 3, u2At(utf8Offset + 1))); |
| |
| this.enclosingMethod = String.valueOf(buffer).toCharArray(); |
| } |
| return this.enclosingMethod; |
| } |
| |
| /* |
| * Answer the resolved compoundName of the enclosing type |
| * or null if the receiver is a top level type. |
| */ |
| public char[] getEnclosingTypeName() { |
| return this.enclosingTypeName; |
| } |
| |
| /** |
| * Answer the receiver's this.fields or null if the array is empty. |
| * @return org.eclipse.jdt.internal.compiler.api.IBinaryField[] |
| */ |
| public IBinaryField[] getFields() { |
| return this.fields; |
| } |
| |
| /** |
| * @see org.eclipse.jdt.internal.compiler.env.IDependent#getFileName() |
| */ |
| public char[] getFileName() { |
| return this.classFileName; |
| } |
| |
| public char[] getGenericSignature() { |
| return this.signature; |
| } |
| |
| /** |
| * Answer the source name if the receiver is a inner type. Return null if it is an anonymous class or if the receiver is a top-level class. |
| * e.g. |
| * public class A { |
| * public class B { |
| * } |
| * public void foo() { |
| * class C {} |
| * } |
| * public Runnable bar() { |
| * return new Runnable() { |
| * public void run() {} |
| * }; |
| * } |
| * } |
| * It returns {'B'} for the member A$B |
| * It returns null for A |
| * It returns {'C'} for the local class A$1$C |
| * It returns null for the anonymous A$1 |
| * @return char[] |
| */ |
| public char[] getInnerSourceName() { |
| if (this.innerInfo != null) |
| return this.innerInfo.getSourceName(); |
| return null; |
| } |
| |
| /** |
| * Answer the resolved names of the receiver's interfaces in the |
| * class file format as specified in section 4.2 of the Java 2 VM spec |
| * or null if the array is empty. |
| * |
| * For example, java.lang.String is java/lang/String. |
| * @return char[][] |
| */ |
| public char[][] getInterfaceNames() { |
| return this.interfaceNames; |
| } |
| |
| /** |
| * Answer the receiver's nested types or null if the array is empty. |
| * |
| * This nested type info is extracted from the inner class attributes. Ask the |
| * name environment to find a member type using its compound name |
| * |
| * @return org.eclipse.jdt.internal.compiler.api.IBinaryNestedType[] |
| */ |
| public IBinaryNestedType[] getMemberTypes() { |
| // we might have some member types of the current type |
| if (this.innerInfos == null) return null; |
| |
| int length = this.innerInfos.length; |
| int startingIndex = this.innerInfo != null ? this.innerInfoIndex + 1 : 0; |
| if (length != startingIndex) { |
| IBinaryNestedType[] memberTypes = |
| new IBinaryNestedType[length - this.innerInfoIndex]; |
| int memberTypeIndex = 0; |
| for (int i = startingIndex; i < length; i++) { |
| InnerClassInfo currentInnerInfo = this.innerInfos[i]; |
| int outerClassNameIdx = currentInnerInfo.outerClassNameIndex; |
| int innerNameIndex = currentInnerInfo.innerNameIndex; |
| /* |
| * Checking that outerClassNameIDx is different from 0 should be enough to determine if an inner class |
| * attribute entry is a member class, but due to the bug: |
| * http://dev.eclipse.org/bugs/show_bug.cgi?id=14592 |
| * we needed to add an extra check. So we check that innerNameIndex is different from 0 as well. |
| * |
| * https://bugs.eclipse.org/bugs/show_bug.cgi?id=49879 |
| * From JavaMail 1.2, the class javax.mail.Folder contains an anonymous class in the |
| * terminateQueue() method for which the inner attribute is boggus. |
| * outerClassNameIdx is not 0, innerNameIndex is not 0, but the sourceName length is 0. |
| * So I added this extra check to filter out this anonymous class from the |
| * member types. |
| */ |
| if (outerClassNameIdx != 0 |
| && innerNameIndex != 0 |
| && outerClassNameIdx == this.classNameIndex |
| && currentInnerInfo.getSourceName().length != 0) { |
| memberTypes[memberTypeIndex++] = currentInnerInfo; |
| } |
| } |
| if (memberTypeIndex == 0) return null; |
| if (memberTypeIndex != memberTypes.length) { |
| // we need to resize the memberTypes array. Some local or anonymous classes |
| // are present in the current class. |
| System.arraycopy( |
| memberTypes, |
| 0, |
| (memberTypes = new IBinaryNestedType[memberTypeIndex]), |
| 0, |
| memberTypeIndex); |
| } |
| return memberTypes; |
| } |
| return null; |
| } |
| |
| /** |
| * Answer the receiver's this.methods or null if the array is empty. |
| * @return org.eclipse.jdt.internal.compiler.api.env.IBinaryMethod[] |
| */ |
| public IBinaryMethod[] getMethods() { |
| return this.methods; |
| } |
| |
| /* |
| public static void main(String[] args) throws ClassFormatException, IOException { |
| if (args == null || args.length != 1) { |
| System.err.println("ClassFileReader <filename>"); //$NON-NLS-1$ |
| System.exit(1); |
| } |
| File file = new File(args[0]); |
| ClassFileReader reader = read(file, true); |
| if (reader.annotations != null) { |
| System.err.println(); |
| for (int i = 0; i < reader.annotations.length; i++) |
| System.err.println(reader.annotations[i]); |
| } |
| System.err.print("class "); //$NON-NLS-1$ |
| System.err.print(reader.getName()); |
| char[] superclass = reader.getSuperclassName(); |
| if (superclass != null) { |
| System.err.print(" extends "); //$NON-NLS-1$ |
| System.err.print(superclass); |
| } |
| System.err.println(); |
| char[][] interfaces = reader.getInterfaceNames(); |
| if (interfaces != null && interfaces.length > 0) { |
| System.err.print(" implements "); //$NON-NLS-1$ |
| for (int i = 0; i < interfaces.length; i++) { |
| if (i != 0) System.err.print(", "); //$NON-NLS-1$ |
| System.err.println(interfaces[i]); |
| } |
| } |
| System.err.println(); |
| System.err.println('{'); |
| if (reader.fields != null) { |
| for (int i = 0; i < reader.fields.length; i++) { |
| System.err.println(reader.fields[i]); |
| System.err.println(); |
| } |
| } |
| if (reader.methods != null) { |
| for (int i = 0; i < reader.methods.length; i++) { |
| System.err.println(reader.methods[i]); |
| System.err.println(); |
| } |
| } |
| System.err.println(); |
| System.err.println('}'); |
| } |
| */ |
| public char[][][] getMissingTypeNames() { |
| return this.missingTypeNames; |
| } |
| |
| /** |
| * Answer an int whose bits are set according the access constants |
| * defined by the VM spec. |
| * Set the AccDeprecated and AccSynthetic bits if necessary |
| * @return int |
| */ |
| public int getModifiers() { |
| int modifiers; |
| if (this.innerInfo != null) { |
| modifiers = this.innerInfo.getModifiers() |
| | (this.accessFlags & ClassFileConstants.AccDeprecated) |
| | (this.accessFlags & ClassFileConstants.AccSynthetic); |
| } else { |
| modifiers = this.accessFlags; |
| } |
| return modifiers; |
| } |
| |
| /** |
| * Answer the resolved name of the type in the |
| * class file format as specified in section 4.2 of the Java 2 VM spec. |
| * |
| * For example, java.lang.String is java/lang/String. |
| * @return char[] |
| */ |
| public char[] getName() { |
| return this.className; |
| } |
| |
| public char[] getSourceName() { |
| if (this.sourceName != null) |
| return this.sourceName; |
| |
| char[] name = getInnerSourceName(); // member or local scenario |
| if (name == null) { |
| name = getName(); // extract from full name |
| int start; |
| if (isAnonymous()) { |
| start = CharOperation.indexOf('$', name, CharOperation.lastIndexOf('/', name) + 1) + 1; |
| } else { |
| start = CharOperation.lastIndexOf('/', name) + 1; |
| } |
| if (start > 0) { |
| char[] newName = new char[name.length - start]; |
| System.arraycopy(name, start, newName, 0, newName.length); |
| name = newName; |
| } |
| } |
| return this.sourceName = name; |
| } |
| |
| /** |
| * Answer the resolved name of the receiver's superclass in the |
| * class file format as specified in section 4.2 of the Java 2 VM spec |
| * or null if it does not have one. |
| * |
| * For example, java.lang.String is java/lang/String. |
| * @return char[] |
| */ |
| public char[] getSuperclassName() { |
| return this.superclassName; |
| } |
| |
| //{ObjectTeams: one more kind of 'super': |
| /** |
| * Answer the resolved name of the receiver's baseclass as |
| * given by a PlayedBy attribute, or null if not given. |
| * |
| * For example, java.lang.String is java/lang/String. |
| * @return char[] |
| */ |
| public char[] getBaseclassName() { |
| return this.baseclassName; |
| } |
| // SH} |
| public long getTagBits() { |
| return this.tagBits; |
| } |
| |
| /** |
| * Answer the major/minor version defined in this class file according to the VM spec. |
| * as a long: (major<<16)+minor |
| * @return the major/minor version found |
| */ |
| public long getVersion() { |
| return this.version; |
| } |
| |
| private boolean hasNonSyntheticFieldChanges(FieldInfo[] currentFieldInfos, FieldInfo[] otherFieldInfos) { |
| int length1 = currentFieldInfos == null ? 0 : currentFieldInfos.length; |
| int length2 = otherFieldInfos == null ? 0 : otherFieldInfos.length; |
| int index1 = 0; |
| int index2 = 0; |
| |
| end : while (index1 < length1 && index2 < length2) { |
| while (currentFieldInfos[index1].isSynthetic()) { |
| if (++index1 >= length1) break end; |
| } |
| while (otherFieldInfos[index2].isSynthetic()) { |
| if (++index2 >= length2) break end; |
| } |
| if (hasStructuralFieldChanges(currentFieldInfos[index1++], otherFieldInfos[index2++])) |
| return true; |
| } |
| |
| while (index1 < length1) { |
| if (!currentFieldInfos[index1++].isSynthetic()) return true; |
| } |
| while (index2 < length2) { |
| if (!otherFieldInfos[index2++].isSynthetic()) return true; |
| } |
| return false; |
| } |
| |
| private boolean hasNonSyntheticMethodChanges(MethodInfo[] currentMethodInfos, MethodInfo[] otherMethodInfos) { |
| int length1 = currentMethodInfos == null ? 0 : currentMethodInfos.length; |
| int length2 = otherMethodInfos == null ? 0 : otherMethodInfos.length; |
| int index1 = 0; |
| int index2 = 0; |
| |
| MethodInfo m; |
| end : while (index1 < length1 && index2 < length2) { |
| while ((m = currentMethodInfos[index1]).isSynthetic() || m.isClinit()) { |
| if (++index1 >= length1) break end; |
| } |
| while ((m = otherMethodInfos[index2]).isSynthetic() || m.isClinit()) { |
| if (++index2 >= length2) break end; |
| } |
| if (hasStructuralMethodChanges(currentMethodInfos[index1++], otherMethodInfos[index2++])) |
| return true; |
| } |
| |
| while (index1 < length1) { |
| if (!((m = currentMethodInfos[index1++]).isSynthetic() || m.isClinit())) return true; |
| } |
| while (index2 < length2) { |
| if (!((m = otherMethodInfos[index2++]).isSynthetic() || m.isClinit())) return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Check if the receiver has structural changes compare to the byte array in argument. |
| * Structural changes are: |
| * - modifiers changes for the class, the this.fields or the this.methods |
| * - signature changes for this.fields or this.methods. |
| * - changes in the number of this.fields or this.methods |
| * - changes for field constants |
| * - changes for thrown exceptions |
| * - change for the super class or any super interfaces. |
| * - changes for member types name or modifiers |
| * If any of these changes occurs, the method returns true. false otherwise. |
| * The synthetic fields are included and the members are not required to be sorted. |
| * @param newBytes the bytes of the .class file we want to compare the receiver to |
| * @return boolean Returns true is there is a structural change between the two .class files, false otherwise |
| */ |
| public boolean hasStructuralChanges(byte[] newBytes) { |
| return hasStructuralChanges(newBytes, true, true); |
| } |
| |
| /** |
| * Check if the receiver has structural changes compare to the byte array in argument. |
| * Structural changes are: |
| * - modifiers changes for the class, the this.fields or the this.methods |
| * - signature changes for this.fields or this.methods. |
| * - changes in the number of this.fields or this.methods |
| * - changes for field constants |
| * - changes for thrown exceptions |
| * - change for the super class or any super interfaces. |
| * - changes for member types name or modifiers |
| * If any of these changes occurs, the method returns true. false otherwise. |
| * @param newBytes the bytes of the .class file we want to compare the receiver to |
| * @param orderRequired a boolean indicating whether the members should be sorted or not |
| * @param excludesSynthetic a boolean indicating whether the synthetic members should be used in the comparison |
| * @return boolean Returns true is there is a structural change between the two .class files, false otherwise |
| */ |
| public boolean hasStructuralChanges(byte[] newBytes, boolean orderRequired, boolean excludesSynthetic) { |
| try { |
| ClassFileReader newClassFile = |
| new ClassFileReader(newBytes, this.classFileName); |
| // type level comparison |
| // modifiers |
| if (getModifiers() != newClassFile.getModifiers()) |
| return true; |
| |
| // only consider a portion of the tagbits which indicate a structural change for dependents |
| // e.g. @Override change has no influence outside |
| long OnlyStructuralTagBits = TagBits.AnnotationTargetMASK // different @Target status ? |
| | TagBits.AnnotationDeprecated // different @Deprecated status ? |
| | TagBits.AnnotationRetentionMASK // different @Retention status ? |
| | TagBits.HierarchyHasProblems; // different hierarchy status ? |
| |
| // meta-annotations |
| if ((getTagBits() & OnlyStructuralTagBits) != (newClassFile.getTagBits() & OnlyStructuralTagBits)) |
| return true; |
| // annotations |
| if (hasStructuralAnnotationChanges(getAnnotations(), newClassFile.getAnnotations())) |
| return true; |
| |
| // generic signature |
| if (!CharOperation.equals(getGenericSignature(), newClassFile.getGenericSignature())) |
| return true; |
| // superclass |
| if (!CharOperation.equals(getSuperclassName(), newClassFile.getSuperclassName())) |
| return true; |
| // interfaces |
| char[][] newInterfacesNames = newClassFile.getInterfaceNames(); |
| if (this.interfaceNames != newInterfacesNames) { // TypeConstants.NoSuperInterfaces |
| int newInterfacesLength = newInterfacesNames == null ? 0 : newInterfacesNames.length; |
| if (newInterfacesLength != this.interfacesCount) |
| return true; |
| for (int i = 0, max = this.interfacesCount; i < max; i++) |
| if (!CharOperation.equals(this.interfaceNames[i], newInterfacesNames[i])) |
| return true; |
| } |
| |
| // member types |
| IBinaryNestedType[] currentMemberTypes = getMemberTypes(); |
| IBinaryNestedType[] otherMemberTypes = newClassFile.getMemberTypes(); |
| if (currentMemberTypes != otherMemberTypes) { // TypeConstants.NoMemberTypes |
| int currentMemberTypeLength = currentMemberTypes == null ? 0 : currentMemberTypes.length; |
| int otherMemberTypeLength = otherMemberTypes == null ? 0 : otherMemberTypes.length; |
| if (currentMemberTypeLength != otherMemberTypeLength) |
| return true; |
| for (int i = 0; i < currentMemberTypeLength; i++) |
| if (!CharOperation.equals(currentMemberTypes[i].getName(), otherMemberTypes[i].getName()) |
| || currentMemberTypes[i].getModifiers() != otherMemberTypes[i].getModifiers()) |
| return true; |
| } |
| |
| // fields |
| FieldInfo[] otherFieldInfos = (FieldInfo[]) newClassFile.getFields(); |
| int otherFieldInfosLength = otherFieldInfos == null ? 0 : otherFieldInfos.length; |
| boolean compareFields = true; |
| if (this.fieldsCount == otherFieldInfosLength) { |
| int i = 0; |
| for (; i < this.fieldsCount; i++) |
| if (hasStructuralFieldChanges(this.fields[i], otherFieldInfos[i])) break; |
| if ((compareFields = i != this.fieldsCount) && !orderRequired && !excludesSynthetic) |
| return true; |
| } |
| if (compareFields) { |
| if (this.fieldsCount != otherFieldInfosLength && !excludesSynthetic) |
| return true; |
| if (orderRequired) { |
| if (this.fieldsCount != 0) |
| Arrays.sort(this.fields); |
| if (otherFieldInfosLength != 0) |
| Arrays.sort(otherFieldInfos); |
| } |
| if (excludesSynthetic) { |
| if (hasNonSyntheticFieldChanges(this.fields, otherFieldInfos)) |
| return true; |
| } else { |
| for (int i = 0; i < this.fieldsCount; i++) |
| if (hasStructuralFieldChanges(this.fields[i], otherFieldInfos[i])) |
| return true; |
| } |
| } |
| |
| // methods |
| MethodInfo[] otherMethodInfos = (MethodInfo[]) newClassFile.getMethods(); |
| int otherMethodInfosLength = otherMethodInfos == null ? 0 : otherMethodInfos.length; |
| boolean compareMethods = true; |
| if (this.methodsCount == otherMethodInfosLength) { |
| int i = 0; |
| for (; i < this.methodsCount; i++) |
| if (hasStructuralMethodChanges(this.methods[i], otherMethodInfos[i])) break; |
| if ((compareMethods = i != this.methodsCount) && !orderRequired && !excludesSynthetic) |
| return true; |
| } |
| if (compareMethods) { |
| if (this.methodsCount != otherMethodInfosLength && !excludesSynthetic) |
| return true; |
| if (orderRequired) { |
| if (this.methodsCount != 0) |
| Arrays.sort(this.methods); |
| if (otherMethodInfosLength != 0) |
| Arrays.sort(otherMethodInfos); |
| } |
| if (excludesSynthetic) { |
| if (hasNonSyntheticMethodChanges(this.methods, otherMethodInfos)) |
| return true; |
| } else { |
| for (int i = 0; i < this.methodsCount; i++) |
| if (hasStructuralMethodChanges(this.methods[i], otherMethodInfos[i])) |
| return true; |
| } |
| } |
| |
| // missing types |
| char[][][] missingTypes = getMissingTypeNames(); |
| char[][][] newMissingTypes = newClassFile.getMissingTypeNames(); |
| if (missingTypes != null) { |
| if (newMissingTypes == null) { |
| return true; |
| } |
| int length = missingTypes.length; |
| if (length != newMissingTypes.length) { |
| return true; |
| } |
| for (int i = 0; i < length; i++) { |
| if (!CharOperation.equals(missingTypes[i], newMissingTypes[i])) { |
| return true; |
| } |
| } |
| } else if (newMissingTypes != null) { |
| return true; |
| } |
| return false; |
| } catch (ClassFormatException e) { |
| return true; |
| } |
| } |
| |
| private boolean hasStructuralAnnotationChanges(IBinaryAnnotation[] currentAnnotations, IBinaryAnnotation[] otherAnnotations) { |
| if (currentAnnotations == otherAnnotations) |
| return false; |
| |
| int currentAnnotationsLength = currentAnnotations == null ? 0 : currentAnnotations.length; |
| int otherAnnotationsLength = otherAnnotations == null ? 0 : otherAnnotations.length; |
| if (currentAnnotationsLength != otherAnnotationsLength) |
| return true; |
| for (int i = 0; i < currentAnnotationsLength; i++) { |
| if (!CharOperation.equals(currentAnnotations[i].getTypeName(), otherAnnotations[i].getTypeName())) |
| return true; |
| IBinaryElementValuePair[] currentPairs = currentAnnotations[i].getElementValuePairs(); |
| IBinaryElementValuePair[] otherPairs = otherAnnotations[i].getElementValuePairs(); |
| int currentPairsLength = currentPairs == null ? 0 : currentPairs.length; |
| int otherPairsLength = otherPairs == null ? 0 : otherPairs.length; |
| if (currentPairsLength != otherPairsLength) |
| return true; |
| for (int j = 0; j < currentPairsLength; j++) { |
| if (!CharOperation.equals(currentPairs[j].getName(), otherPairs[j].getName())) |
| return true; |
| if (!currentPairs[j].getValue().equals(otherPairs[j].getValue())) |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private boolean hasStructuralFieldChanges(FieldInfo currentFieldInfo, FieldInfo otherFieldInfo) { |
| // generic signature |
| if (!CharOperation.equals(currentFieldInfo.getGenericSignature(), otherFieldInfo.getGenericSignature())) |
| return true; |
| if (currentFieldInfo.getModifiers() != otherFieldInfo.getModifiers()) |
| return true; |
| if ((currentFieldInfo.getTagBits() & TagBits.AnnotationDeprecated) != (otherFieldInfo.getTagBits() & TagBits.AnnotationDeprecated)) |
| return true; |
| if (hasStructuralAnnotationChanges(currentFieldInfo.getAnnotations(), otherFieldInfo.getAnnotations())) |
| return true; |
| if (!CharOperation.equals(currentFieldInfo.getName(), otherFieldInfo.getName())) |
| return true; |
| if (!CharOperation.equals(currentFieldInfo.getTypeName(), otherFieldInfo.getTypeName())) |
| return true; |
| if (currentFieldInfo.hasConstant() != otherFieldInfo.hasConstant()) |
| return true; |
| if (currentFieldInfo.hasConstant()) { |
| Constant currentConstant = currentFieldInfo.getConstant(); |
| Constant otherConstant = otherFieldInfo.getConstant(); |
| if (currentConstant.typeID() != otherConstant.typeID()) |
| return true; |
| if (!currentConstant.getClass().equals(otherConstant.getClass())) |
| return true; |
| switch (currentConstant.typeID()) { |
| case TypeIds.T_int : |
| return currentConstant.intValue() != otherConstant.intValue(); |
| case TypeIds.T_byte : |
| return currentConstant.byteValue() != otherConstant.byteValue(); |
| case TypeIds.T_short : |
| return currentConstant.shortValue() != otherConstant.shortValue(); |
| case TypeIds.T_char : |
| return currentConstant.charValue() != otherConstant.charValue(); |
| case TypeIds.T_long : |
| return currentConstant.longValue() != otherConstant.longValue(); |
| case TypeIds.T_float : |
| return currentConstant.floatValue() != otherConstant.floatValue(); |
| case TypeIds.T_double : |
| return currentConstant.doubleValue() != otherConstant.doubleValue(); |
| case TypeIds.T_boolean : |
| return currentConstant.booleanValue() != otherConstant.booleanValue(); |
| case TypeIds.T_JavaLangString : |
| return !currentConstant.stringValue().equals(otherConstant.stringValue()); |
| } |
| } |
| return false; |
| } |
| |
| private boolean hasStructuralMethodChanges(MethodInfo currentMethodInfo, MethodInfo otherMethodInfo) { |
| // generic signature |
| if (!CharOperation.equals(currentMethodInfo.getGenericSignature(), otherMethodInfo.getGenericSignature())) |
| return true; |
| if (currentMethodInfo.getModifiers() != otherMethodInfo.getModifiers()) |
| return true; |
| if ((currentMethodInfo.getTagBits() & TagBits.AnnotationDeprecated) != (otherMethodInfo.getTagBits() & TagBits.AnnotationDeprecated)) |
| return true; |
| if (hasStructuralAnnotationChanges(currentMethodInfo.getAnnotations(), otherMethodInfo.getAnnotations())) |
| return true; |
| if (!CharOperation.equals(currentMethodInfo.getSelector(), otherMethodInfo.getSelector())) |
| return true; |
| if (!CharOperation.equals(currentMethodInfo.getMethodDescriptor(), otherMethodInfo.getMethodDescriptor())) |
| return true; |
| if (!CharOperation.equals(currentMethodInfo.getGenericSignature(), otherMethodInfo.getGenericSignature())) |
| return true; |
| |
| char[][] currentThrownExceptions = currentMethodInfo.getExceptionTypeNames(); |
| char[][] otherThrownExceptions = otherMethodInfo.getExceptionTypeNames(); |
| if (currentThrownExceptions != otherThrownExceptions) { // TypeConstants.NoExceptions |
| int currentThrownExceptionsLength = currentThrownExceptions == null ? 0 : currentThrownExceptions.length; |
| int otherThrownExceptionsLength = otherThrownExceptions == null ? 0 : otherThrownExceptions.length; |
| if (currentThrownExceptionsLength != otherThrownExceptionsLength) |
| return true; |
| for (int k = 0; k < currentThrownExceptionsLength; k++) |
| if (!CharOperation.equals(currentThrownExceptions[k], otherThrownExceptions[k])) |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * This method is used to fully initialize the contents of the receiver. All methodinfos, fields infos |
| * will be therefore fully initialized and we can get rid of the bytes. |
| */ |
| private void initialize() throws ClassFormatException { |
| try { |
| for (int i = 0, max = this.fieldsCount; i < max; i++) { |
| this.fields[i].initialize(); |
| } |
| for (int i = 0, max = this.methodsCount; i < max; i++) { |
| this.methods[i].initialize(); |
| } |
| if (this.innerInfos != null) { |
| for (int i = 0, max = this.innerInfos.length; i < max; i++) { |
| this.innerInfos[i].initialize(); |
| } |
| } |
| if (this.annotations != null) { |
| for (int i = 0, max = this.annotations.length; i < max; i++) { |
| this.annotations[i].initialize(); |
| } |
| } |
| this.getEnclosingMethod(); |
| reset(); |
| } catch(RuntimeException e) { |
| ClassFormatException exception = new ClassFormatException(e, this.classFileName); |
| throw exception; |
| } |
| } |
| |
| /** |
| * Answer true if the receiver is an anonymous type, false otherwise |
| * |
| * @return <CODE>boolean</CODE> |
| */ |
| public boolean isAnonymous() { |
| if (this.innerInfo == null) return false; |
| char[] innerSourceName = this.innerInfo.getSourceName(); |
| return (innerSourceName == null || innerSourceName.length == 0); |
| } |
| |
| /** |
| * Answer whether the receiver contains the resolved binary form |
| * or the unresolved source form of the type. |
| * @return boolean |
| */ |
| public boolean isBinaryType() { |
| return true; |
| } |
| |
| /** |
| * Answer true if the receiver is a local type, false otherwise |
| * |
| * @return <CODE>boolean</CODE> |
| */ |
| public boolean isLocal() { |
| if (this.innerInfo == null) return false; |
| if (this.innerInfo.getEnclosingTypeName() != null) return false; |
| char[] innerSourceName = this.innerInfo.getSourceName(); |
| return (innerSourceName != null && innerSourceName.length > 0); |
| } |
| |
| /** |
| * Answer true if the receiver is a member type, false otherwise |
| * |
| * @return <CODE>boolean</CODE> |
| */ |
| public boolean isMember() { |
| if (this.innerInfo == null) return false; |
| if (this.innerInfo.getEnclosingTypeName() == null) return false; |
| char[] innerSourceName = this.innerInfo.getSourceName(); |
| return (innerSourceName != null && innerSourceName.length > 0); // protection against ill-formed attributes (67600) |
| } |
| |
| /** |
| * Answer true if the receiver is a nested type, false otherwise |
| * |
| * @return <CODE>boolean</CODE> |
| */ |
| public boolean isNestedType() { |
| return this.innerInfo != null; |
| } |
| //{ObjectTeams |
| public boolean isTeam() |
| { |
| return (this.accessFlags & ClassFileConstants.AccTeam) != 0; |
| } |
| |
| public boolean isRole() |
| { |
| return (this.accessFlags & ExtraCompilerModifiers.AccRole) != 0; |
| } |
| // SH} |
| /** |
| * Answer the source file name attribute. Return null if there is no source file attribute for the receiver. |
| * |
| * @return char[] |
| */ |
| public char[] sourceFileName() { |
| return this.sourceFileName; |
| } |
| |
| public String toString() { |
| java.io.ByteArrayOutputStream out = new java.io.ByteArrayOutputStream(); |
| java.io.PrintWriter print = new java.io.PrintWriter(out); |
| print.println(getClass().getName() + "{"); //$NON-NLS-1$ |
| print.println(" this.className: " + new String(getName())); //$NON-NLS-1$ |
| print.println(" this.superclassName: " + (getSuperclassName() == null ? "null" : new String(getSuperclassName()))); //$NON-NLS-2$ //$NON-NLS-1$ |
| print.println(" access_flags: " + printTypeModifiers(accessFlags()) + "(" + accessFlags() + ")"); //$NON-NLS-1$ //$NON-NLS-3$ //$NON-NLS-2$ |
| print.flush(); |
| return out.toString(); |
| } |
| } |