/*******************************************************************************
* Copyright (c) 2000, 2007 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
* Palo Alto Research Center, Incorporated - AspectJ adaptation
*******************************************************************************/
package org.aspectj.org.eclipse.jdt.internal.compiler;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.StringTokenizer;
import org.aspectj.org.eclipse.jdt.core.compiler.CategorizedProblem;
import org.aspectj.org.eclipse.jdt.core.compiler.CharOperation;
import org.aspectj.org.eclipse.jdt.core.compiler.IProblem;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.ASTNode;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.Annotation;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.AnnotationMethodDeclaration;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.Argument;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.ArrayInitializer;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.ClassLiteralAccess;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.Expression;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.FieldDeclaration;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.MemberValuePair;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.MethodDeclaration;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.NormalAnnotation;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.QualifiedNameReference;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.SingleMemberAnnotation;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.SingleNameReference;
import org.aspectj.org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
import org.aspectj.org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
import org.aspectj.org.eclipse.jdt.internal.compiler.codegen.AttributeNamesConstants;
import org.aspectj.org.eclipse.jdt.internal.compiler.codegen.CodeStream;
import org.aspectj.org.eclipse.jdt.internal.compiler.codegen.ConstantPool;
import org.aspectj.org.eclipse.jdt.internal.compiler.codegen.ExceptionLabel;
import org.aspectj.org.eclipse.jdt.internal.compiler.codegen.VerificationTypeInfo;
import org.aspectj.org.eclipse.jdt.internal.compiler.codegen.StackMapFrame;
import org.aspectj.org.eclipse.jdt.internal.compiler.codegen.StackMapFrameCodeStream;
import org.aspectj.org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
import org.aspectj.org.eclipse.jdt.internal.compiler.impl.Constant;
import org.aspectj.org.eclipse.jdt.internal.compiler.impl.StringConstant;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.Binding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.FieldBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.LocalTypeBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.LocalVariableBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.MethodBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.NestedTypeBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.SyntheticArgumentBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.SyntheticMethodBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TagBits;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeConstants;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeIds;
import org.aspectj.org.eclipse.jdt.internal.compiler.problem.ProblemSeverities;
import org.aspectj.org.eclipse.jdt.internal.compiler.util.Messages;
import org.aspectj.org.eclipse.jdt.internal.compiler.util.Util;
//AspectJ Extension - Added minimal support for extensible attributes
/**
* Represents a class file wrapper on bytes, it is aware of its actual
* type name.
*
* Public APIs are listed below:
*
* byte[] getBytes();
* Answer the actual bytes of the class file
*
* char[][] getCompoundName();
* Answer the compound name of the class file.
* For example, {{java}, {util}, {Hashtable}}.
*
* byte[] getReducedBytes();
* Answer a smaller byte format, which is only contains some structural
* information. Those bytes are decodable with a regular class file reader,
* such as DietClassFileReader
*/
public class ClassFile
implements TypeConstants, TypeIds {
private byte[] bytes;
public CodeStream codeStream;
public ConstantPool constantPool;
public int constantPoolOffset;
// the header contains all the bytes till the end of the constant pool
public byte[] contents;
public int contentsOffset;
protected boolean creatingProblemType;
public ClassFile enclosingClassFile;
public byte[] header;
// that collection contains all the remaining bytes of the .class file
public int headerOffset;
public Set innerClassesBindings;
public int methodCount;
public int methodCountOffset;
// pool managment
public boolean isShared = false;
// used to generate private access methods
// debug and stack map attributes
public int produceAttributes;
public SourceTypeBinding referenceBinding;
public long targetJDK;
public static final int INITIAL_CONTENTS_SIZE = 400;
public static final int INITIAL_HEADER_SIZE = 1500;
public static final int INNER_CLASSES_SIZE = 5;
/**
* INTERNAL USE-ONLY
* Build all the directories and subdirectories corresponding to the packages names
* into the directory specified in parameters.
*
* outputPath is formed like:
* c:\temp\ the last character is a file separator
* relativeFileName is formed like:
* java\lang\String.class *
*
* @param outputPath java.lang.String
* @param relativeFileName java.lang.String
* @return java.lang.String
*/
public static String buildAllDirectoriesInto(
String outputPath,
String relativeFileName)
throws IOException {
char fileSeparatorChar = File.separatorChar;
String fileSeparator = File.separator;
File f;
outputPath = outputPath.replace('/', fileSeparatorChar);
// these could be optimized out if we normalized paths once and for
// all
relativeFileName = relativeFileName.replace('/', fileSeparatorChar);
String outputDirPath, fileName;
int separatorIndex = relativeFileName.lastIndexOf(fileSeparatorChar);
if (separatorIndex == -1) {
if (outputPath.endsWith(fileSeparator)) {
outputDirPath = outputPath.substring(0, outputPath.length() - 1);
fileName = outputPath + relativeFileName;
} else {
outputDirPath = outputPath;
fileName = outputPath + fileSeparator + relativeFileName;
}
} else {
if (outputPath.endsWith(fileSeparator)) {
outputDirPath = outputPath +
relativeFileName.substring(0, separatorIndex);
fileName = outputPath + relativeFileName;
} else {
outputDirPath = outputPath + fileSeparator +
relativeFileName.substring(0, separatorIndex);
fileName = outputPath + fileSeparator + relativeFileName;
}
}
f = new File(outputDirPath);
f.mkdirs();
if (f.isDirectory()) {
return fileName;
} else {
// the directory creation failed for some reason - retry using
// a slower algorithm so as to refine the diagnostic
if (outputPath.endsWith(fileSeparator)) {
outputPath = outputPath.substring(0, outputPath.length() - 1);
}
f = new File(outputPath);
boolean checkFileType = false;
if (f.exists()) {
checkFileType = true; // pre-existed
} else {
// we have to create that directory
if (!f.mkdirs()) {
if (f.exists()) {
// someone else created f -- need to check its type
checkFileType = true;
} else {
// no one could create f -- complain
throw new IOException(Messages.bind(
Messages.output_notValidAll, f.getAbsolutePath()));
}
}
}
if (checkFileType) {
if (!f.isDirectory()) {
throw new IOException(Messages.bind(
Messages.output_isFile, f.getAbsolutePath()));
}
}
StringBuffer outDir = new StringBuffer(outputPath);
outDir.append(fileSeparator);
StringTokenizer tokenizer =
new StringTokenizer(relativeFileName, fileSeparator);
String token = tokenizer.nextToken();
while (tokenizer.hasMoreTokens()) {
f = new File(outDir.append(token).append(fileSeparator).toString());
checkFileType = false; // reset
if (f.exists()) {
checkFileType = true; // this is suboptimal, but it catches corner cases
// in which a regular file pre-exists
} else {
// we have to create that directory
if (!f.mkdir()) {
if (f.exists()) {
// someone else created f -- need to check its type
checkFileType = true;
} else {
// no one could create f -- complain
throw new IOException(Messages.bind(
Messages.output_notValid,
outDir.substring(outputPath.length() + 1,
outDir.length() - 1),
outputPath));
}
}
}
if (checkFileType) {
if (!f.isDirectory()) {
throw new IOException(Messages.bind(
Messages.output_isFile, f.getAbsolutePath()));
}
}
token = tokenizer.nextToken();
}
// token contains the last one
return outDir.append(token).toString();
}
}
/**
* INTERNAL USE-ONLY
* Request the creation of a ClassFile compatible representation of a problematic type
*
* @param typeDeclaration org.aspectj.org.eclipse.jdt.internal.compiler.ast.TypeDeclaration
* @param unitResult org.aspectj.org.eclipse.jdt.internal.compiler.CompilationUnitResult
*/
public static void createProblemType(
TypeDeclaration typeDeclaration,
CompilationResult unitResult) {
SourceTypeBinding typeBinding = typeDeclaration.binding;
ClassFile classFile = ClassFile.getNewInstance(typeBinding);
classFile.initialize(typeBinding, null, true);
if (typeBinding.hasMemberTypes()) {
// see bug 180109
ReferenceBinding[] members = typeBinding.memberTypes;
for (int i = 0, l = members.length; i < l; i++)
classFile.recordInnerClasses(members[i]);
}
// TODO (olivier) handle cases where a field cannot be generated (name too long)
// TODO (olivier) handle too many methods
// inner attributes
if (typeBinding.isNestedType()) {
classFile.recordInnerClasses(typeBinding);
}
// add its fields
FieldBinding[] fields = typeBinding.fields();
if ((fields != null) && (fields != Binding.NO_FIELDS)) {
classFile.addFieldInfos();
} else {
// we have to set the number of fields to be equals to 0
classFile.contents[classFile.contentsOffset++] = 0;
classFile.contents[classFile.contentsOffset++] = 0;
}
// leave some space for the methodCount
classFile.setForMethodInfos();
// add its user defined methods
int problemsLength;
CategorizedProblem[] problems = unitResult.getErrors();
if (problems == null) {
problems = new CategorizedProblem[0];
}
CategorizedProblem[] problemsCopy = new CategorizedProblem[problemsLength = problems.length];
System.arraycopy(problems, 0, problemsCopy, 0, problemsLength);
AbstractMethodDeclaration[] methodDecls = typeDeclaration.methods;
if (methodDecls != null) {
if (typeBinding.isInterface()) {
// we cannot create problem methods for an interface. So we have to generate a clinit
// which should contain all the problem
classFile.addProblemClinit(problemsCopy);
for (int i = 0, length = methodDecls.length; i < length; i++) {
AbstractMethodDeclaration methodDecl = methodDecls[i];
MethodBinding method = methodDecl.binding;
if (method == null || method.isConstructor()) continue;
classFile.addAbstractMethod(methodDecl, method);
}
} else {
for (int i = 0, length = methodDecls.length; i < length; i++) {
AbstractMethodDeclaration methodDecl = methodDecls[i];
MethodBinding method = methodDecl.binding;
if (method == null) continue;
if (method.isConstructor()) {
classFile.addProblemConstructor(methodDecl, method, problemsCopy);
} else {
classFile.addProblemMethod(methodDecl, method, problemsCopy);
}
}
}
// add abstract methods
classFile.addDefaultAbstractMethods();
}
// propagate generation of (problem) member types
if (typeDeclaration.memberTypes != null) {
for (int i = 0, max = typeDeclaration.memberTypes.length; i < max; i++) {
TypeDeclaration memberType = typeDeclaration.memberTypes[i];
if (memberType.binding != null) {
ClassFile.createProblemType(memberType, unitResult);
}
}
}
classFile.addAttributes();
unitResult.record(typeBinding.constantPoolName(), classFile);
}
public static ClassFile getNewInstance(SourceTypeBinding typeBinding) {
LookupEnvironment env = typeBinding.scope.environment();
return env.classFilePool.acquire(typeBinding);
}
/**
* INTERNAL USE-ONLY
* outputPath is formed like:
* c:\temp\ the last character is a file separator
* relativeFileName is formed like:
* java\lang\String.class
* @param generatePackagesStructure a flag to know if the packages structure has to be generated.
* @param outputPath the given output directory
* @param relativeFileName the given relative file name
* @param classFile the given classFile to write
*
*/
public static void writeToDisk(
boolean generatePackagesStructure,
String outputPath,
String relativeFileName,
ClassFile classFile) throws IOException {
BufferedOutputStream output = null;
if (generatePackagesStructure) {
output = new BufferedOutputStream(
new FileOutputStream(
new File(buildAllDirectoriesInto(outputPath, relativeFileName))));
} else {
String fileName = null;
char fileSeparatorChar = File.separatorChar;
String fileSeparator = File.separator;
// First we ensure that the outputPath exists
outputPath = outputPath.replace('/', fileSeparatorChar);
// To be able to pass the mkdirs() method we need to remove the extra file separator at the end of the outDir name
int indexOfPackageSeparator = relativeFileName.lastIndexOf(fileSeparatorChar);
if (indexOfPackageSeparator == -1) {
if (outputPath.endsWith(fileSeparator)) {
fileName = outputPath + relativeFileName;
} else {
fileName = outputPath + fileSeparator + relativeFileName;
}
} else {
int length = relativeFileName.length();
if (outputPath.endsWith(fileSeparator)) {
fileName = outputPath + relativeFileName.substring(indexOfPackageSeparator + 1, length);
} else {
fileName = outputPath + fileSeparator + relativeFileName.substring(indexOfPackageSeparator + 1, length);
}
}
output = new BufferedOutputStream(
new FileOutputStream(
new File(fileName)));
}
try {
// if no IOException occured, output cannot be null
output.write(classFile.header, 0, classFile.headerOffset);
output.write(classFile.contents, 0, classFile.contentsOffset);
output.flush();
} catch(IOException e) {
throw e;
} finally {
output.close();
}
}
/**
* INTERNAL USE-ONLY
* This methods creates a new instance of the receiver.
*/
protected ClassFile() {
// default constructor for subclasses
}
public ClassFile(SourceTypeBinding typeBinding) {
// default constructor for subclasses
this.constantPool = new ConstantPool(this);
final CompilerOptions options = typeBinding.scope.compilerOptions();
this.targetJDK = options.targetJDK;
this.produceAttributes = options.produceDebugAttributes;
this.referenceBinding = typeBinding;
if (this.targetJDK >= ClassFileConstants.JDK1_6) {
this.produceAttributes |= ClassFileConstants.ATTR_STACK_MAP;
this.codeStream = new StackMapFrameCodeStream(this);
} else {
this.codeStream = new CodeStream(this);
}
this.initByteArrays();
}
// AspectJ Extension
public List/*<IAttribute>*/ extraAttributes = new ArrayList(1);
// End AspectJ Extension
/**
* INTERNAL USE-ONLY
* Generate the byte for a problem method info that correspond to a boggus method.
*
* @param method org.aspectj.org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration
* @param methodBinding org.aspectj.org.eclipse.jdt.internal.compiler.nameloopkup.MethodBinding
*/
public void addAbstractMethod(
AbstractMethodDeclaration method,
MethodBinding methodBinding) {
// force the modifiers to be public and abstract
methodBinding.modifiers = ClassFileConstants.AccPublic | ClassFileConstants.AccAbstract;
this.generateMethodInfoHeader(methodBinding);
int methodAttributeOffset = this.contentsOffset;
int attributeNumber = this.generateMethodInfoAttribute(methodBinding);
this.completeMethodInfo(methodAttributeOffset, attributeNumber);
}
/**
* INTERNAL USE-ONLY
* This methods generate all the attributes for the receiver.
* For a class they could be:
* - source file attribute
* - inner classes attribute
* - deprecated attribute
*/
public void addAttributes() {
// update the method count
contents[methodCountOffset++] = (byte) (methodCount >> 8);
contents[methodCountOffset] = (byte) methodCount;
int attributeNumber = 0;
// leave two bytes for the number of attributes and store the current offset
int attributeOffset = contentsOffset;
contentsOffset += 2;
// source attribute
if ((produceAttributes & ClassFileConstants.ATTR_SOURCE) != 0) {
String fullFileName =
new String(referenceBinding.scope.referenceCompilationUnit().getFileName());
fullFileName = fullFileName.replace('\\', '/');
int lastIndex = fullFileName.lastIndexOf('/');
if (lastIndex != -1) {
fullFileName = fullFileName.substring(lastIndex + 1, fullFileName.length());
}
// check that there is enough space to write all the bytes for the field info corresponding
// to the @fieldBinding
if (contentsOffset + 8 >= contents.length) {
resizeContents(8);
}
int sourceAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.SourceName);
contents[contentsOffset++] = (byte) (sourceAttributeNameIndex >> 8);
contents[contentsOffset++] = (byte) sourceAttributeNameIndex;
// The length of a source file attribute is 2. This is a fixed-length
// attribute
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 2;
// write the source file name
int fileNameIndex = constantPool.literalIndex(fullFileName.toCharArray());
contents[contentsOffset++] = (byte) (fileNameIndex >> 8);
contents[contentsOffset++] = (byte) fileNameIndex;
attributeNumber++;
}
// Deprecated attribute
if (referenceBinding.isDeprecated()) {
// check that there is enough space to write all the bytes for the field info corresponding
// to the @fieldBinding
if (contentsOffset + 6 >= contents.length) {
resizeContents(6);
}
int deprecatedAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.DeprecatedName);
contents[contentsOffset++] = (byte) (deprecatedAttributeNameIndex >> 8);
contents[contentsOffset++] = (byte) deprecatedAttributeNameIndex;
// the length of a deprecated attribute is equals to 0
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
attributeNumber++;
}
// add signature attribute
char[] genericSignature = referenceBinding.genericSignature();
if (genericSignature != null) {
// check that there is enough space to write all the bytes for the field info corresponding
// to the @fieldBinding
if (contentsOffset + 8 >= contents.length) {
resizeContents(8);
}
int signatureAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.SignatureName);
contents[contentsOffset++] = (byte) (signatureAttributeNameIndex >> 8);
contents[contentsOffset++] = (byte) signatureAttributeNameIndex;
// the length of a signature attribute is equals to 2
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 2;
int signatureIndex =
constantPool.literalIndex(genericSignature);
contents[contentsOffset++] = (byte) (signatureIndex >> 8);
contents[contentsOffset++] = (byte) signatureIndex;
attributeNumber++;
}
if (targetJDK >= ClassFileConstants.JDK1_5
&& this.referenceBinding.isNestedType()
&& !this.referenceBinding.isMemberType()) {
// add enclosing method attribute (1.5 mode only)
if (contentsOffset + 10 >= contents.length) {
resizeContents(10);
}
int enclosingMethodAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.EnclosingMethodName);
contents[contentsOffset++] = (byte) (enclosingMethodAttributeNameIndex >> 8);
contents[contentsOffset++] = (byte) enclosingMethodAttributeNameIndex;
// the length of a signature attribute is equals to 2
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 4;
int enclosingTypeIndex = constantPool.literalIndexForType(this.referenceBinding.enclosingType().constantPoolName());
contents[contentsOffset++] = (byte) (enclosingTypeIndex >> 8);
contents[contentsOffset++] = (byte) enclosingTypeIndex;
byte methodIndexByte1 = 0;
byte methodIndexByte2 = 0;
if (this.referenceBinding instanceof LocalTypeBinding) {
MethodBinding methodBinding = ((LocalTypeBinding) this.referenceBinding).enclosingMethod;
if (methodBinding != null) {
int enclosingMethodIndex = constantPool.literalIndexForNameAndType(methodBinding.selector, methodBinding.signature(this));
methodIndexByte1 = (byte) (enclosingMethodIndex >> 8);
methodIndexByte2 = (byte) enclosingMethodIndex;
}
}
contents[contentsOffset++] = methodIndexByte1;
contents[contentsOffset++] = methodIndexByte2;
attributeNumber++;
}
if (this.targetJDK >= ClassFileConstants.JDK1_5 && !this.creatingProblemType) {
TypeDeclaration typeDeclaration = referenceBinding.scope.referenceContext;
if (typeDeclaration != null) {
// AspectJ Extension - use the original array if its set
// original code:
// final Annotation[] annotations = typeDeclaration.annotations;
// new code:
Annotation[] annotations = typeDeclaration.originalAnnotations;
if (annotations == null) annotations = typeDeclaration.annotations;
// End AspectJ Extension
if (annotations != null) {
attributeNumber += generateRuntimeAnnotations(annotations);
}
}
}
if (this.referenceBinding.isHierarchyInconsistent()) {
// add an attribute for inconsistent hierarchy
if (contentsOffset + 6 >= contents.length) {
resizeContents(6);
}
int inconsistentHierarchyNameIndex =
constantPool.literalIndex(AttributeNamesConstants.InconsistentHierarchy);
contents[contentsOffset++] = (byte) (inconsistentHierarchyNameIndex >> 8);
contents[contentsOffset++] = (byte) inconsistentHierarchyNameIndex;
// the length of an inconsistent hierarchy attribute is equals to 0
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
attributeNumber++;
}
// Inner class attribute
int numberOfInnerClasses = this.innerClassesBindings == null ? 0 : this.innerClassesBindings.size();
if (numberOfInnerClasses != 0) {
ReferenceBinding[] innerClasses = new ReferenceBinding[numberOfInnerClasses];
this.innerClassesBindings.toArray(innerClasses);
Arrays.sort(innerClasses, new Comparator() {
public int compare(Object o1, Object o2) {
TypeBinding binding1 = (TypeBinding) o1;
TypeBinding binding2 = (TypeBinding) o2;
return CharOperation.compareTo(binding1.constantPoolName(), binding2.constantPoolName());
}
});
// Generate the inner class attribute
int exSize = 8 * numberOfInnerClasses + 8;
if (exSize + contentsOffset >= this.contents.length) {
resizeContents(exSize);
}
// Now we now the size of the attribute and the number of entries
// attribute name
int attributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.InnerClassName);
contents[contentsOffset++] = (byte) (attributeNameIndex >> 8);
contents[contentsOffset++] = (byte) attributeNameIndex;
int value = (numberOfInnerClasses << 3) + 2;
contents[contentsOffset++] = (byte) (value >> 24);
contents[contentsOffset++] = (byte) (value >> 16);
contents[contentsOffset++] = (byte) (value >> 8);
contents[contentsOffset++] = (byte) value;
contents[contentsOffset++] = (byte) (numberOfInnerClasses >> 8);
contents[contentsOffset++] = (byte) numberOfInnerClasses;
for (int i = 0; i < numberOfInnerClasses; i++) {
ReferenceBinding innerClass = innerClasses[i];
int accessFlags = innerClass.getAccessFlags();
int innerClassIndex = constantPool.literalIndexForType(innerClass.constantPoolName());
// inner class index
contents[contentsOffset++] = (byte) (innerClassIndex >> 8);
contents[contentsOffset++] = (byte) innerClassIndex;
// outer class index: anonymous and local have no outer class index
if (innerClass.isMemberType()) {
// member or member of local
int outerClassIndex = constantPool.literalIndexForType(innerClass.enclosingType().constantPoolName());
contents[contentsOffset++] = (byte) (outerClassIndex >> 8);
contents[contentsOffset++] = (byte) outerClassIndex;
} else {
// equals to 0 if the innerClass is not a member type
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
}
// name index
if (!innerClass.isAnonymousType()) {
int nameIndex = constantPool.literalIndex(innerClass.sourceName());
contents[contentsOffset++] = (byte) (nameIndex >> 8);
contents[contentsOffset++] = (byte) nameIndex;
} else {
// equals to 0 if the innerClass is an anonymous type
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
}
// access flag
if (innerClass.isAnonymousType()) {
accessFlags &= ~ClassFileConstants.AccFinal;
} else if (innerClass.isMemberType() && innerClass.isInterface()) {
accessFlags |= ClassFileConstants.AccStatic; // implicitely static
}
contents[contentsOffset++] = (byte) (accessFlags >> 8);
contents[contentsOffset++] = (byte) accessFlags;
}
attributeNumber++;
}
// AspectJ Extension
// write any "extraAttributes"
if (extraAttributes != null) {
for (int i=0, len=extraAttributes.size(); i < len; i++) {
IAttribute attribute = (IAttribute)extraAttributes.get(i);
short nameIndex = (short)constantPool.literalIndex(attribute.getNameChars());
writeToContents(attribute.getAllBytes(nameIndex,constantPool));
attributeNumber++;
}
}
// End AspectJ Extension
// update the number of attributes
if (attributeOffset + 2 >= this.contents.length) {
resizeContents(2);
}
contents[attributeOffset++] = (byte) (attributeNumber >> 8);
contents[attributeOffset] = (byte) attributeNumber;
// resynchronize all offsets of the classfile
header = constantPool.poolContent;
headerOffset = constantPool.currentOffset;
int constantPoolCount = constantPool.currentIndex;
header[constantPoolOffset++] = (byte) (constantPoolCount >> 8);
header[constantPoolOffset] = (byte) constantPoolCount;
}
/**
* INTERNAL USE-ONLY
* This methods generate all the default abstract method infos that correpond to
* the abstract methods inherited from superinterfaces.
*/
public void addDefaultAbstractMethods() { // default abstract methods
MethodBinding[] defaultAbstractMethods =
referenceBinding.getDefaultAbstractMethods();
for (int i = 0, max = defaultAbstractMethods.length; i < max; i++) {
generateMethodInfoHeader(defaultAbstractMethods[i]);
int methodAttributeOffset = contentsOffset;
int attributeNumber = generateMethodInfoAttribute(defaultAbstractMethods[i]);
completeMethodInfo(methodAttributeOffset, attributeNumber);
}
}
private int addFieldAttributes(FieldBinding fieldBinding, int fieldAttributeOffset) {
int attributesNumber = 0;
// 4.7.2 only static constant fields get a ConstantAttribute
// Generate the constantValueAttribute
Constant fieldConstant = fieldBinding.constant();
if (fieldConstant != Constant.NotAConstant){
if (contentsOffset + 8 >= contents.length) {
resizeContents(8);
}
// Now we generate the constant attribute corresponding to the fieldBinding
int constantValueNameIndex =
constantPool.literalIndex(AttributeNamesConstants.ConstantValueName);
contents[contentsOffset++] = (byte) (constantValueNameIndex >> 8);
contents[contentsOffset++] = (byte) constantValueNameIndex;
// The attribute length = 2 in case of a constantValue attribute
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 2;
attributesNumber++;
// Need to add the constant_value_index
switch (fieldConstant.typeID()) {
case T_boolean :
int booleanValueIndex =
constantPool.literalIndex(fieldConstant.booleanValue() ? 1 : 0);
contents[contentsOffset++] = (byte) (booleanValueIndex >> 8);
contents[contentsOffset++] = (byte) booleanValueIndex;
break;
case T_byte :
case T_char :
case T_int :
case T_short :
int integerValueIndex =
constantPool.literalIndex(fieldConstant.intValue());
contents[contentsOffset++] = (byte) (integerValueIndex >> 8);
contents[contentsOffset++] = (byte) integerValueIndex;
break;
case T_float :
int floatValueIndex =
constantPool.literalIndex(fieldConstant.floatValue());
contents[contentsOffset++] = (byte) (floatValueIndex >> 8);
contents[contentsOffset++] = (byte) floatValueIndex;
break;
case T_double :
int doubleValueIndex =
constantPool.literalIndex(fieldConstant.doubleValue());
contents[contentsOffset++] = (byte) (doubleValueIndex >> 8);
contents[contentsOffset++] = (byte) doubleValueIndex;
break;
case T_long :
int longValueIndex =
constantPool.literalIndex(fieldConstant.longValue());
contents[contentsOffset++] = (byte) (longValueIndex >> 8);
contents[contentsOffset++] = (byte) longValueIndex;
break;
case T_JavaLangString :
int stringValueIndex =
constantPool.literalIndex(
((StringConstant) fieldConstant).stringValue());
if (stringValueIndex == -1) {
if (!creatingProblemType) {
// report an error and abort: will lead to a problem type classfile creation
TypeDeclaration typeDeclaration = referenceBinding.scope.referenceContext;
FieldDeclaration[] fieldDecls = typeDeclaration.fields;
for (int i = 0, max = fieldDecls.length; i < max; i++) {
if (fieldDecls[i].binding == fieldBinding) {
// problem should abort
typeDeclaration.scope.problemReporter().stringConstantIsExceedingUtf8Limit(
fieldDecls[i]);
}
}
} else {
// already inside a problem type creation : no constant for this field
contentsOffset = fieldAttributeOffset;
}
} else {
contents[contentsOffset++] = (byte) (stringValueIndex >> 8);
contents[contentsOffset++] = (byte) stringValueIndex;
}
}
}
if (this.targetJDK < ClassFileConstants.JDK1_5 && fieldBinding.isSynthetic()) {
if (contentsOffset + 6 >= contents.length) {
resizeContents(6);
}
int syntheticAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.SyntheticName);
contents[contentsOffset++] = (byte) (syntheticAttributeNameIndex >> 8);
contents[contentsOffset++] = (byte) syntheticAttributeNameIndex;
// the length of a synthetic attribute is equals to 0
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
attributesNumber++;
}
if (fieldBinding.isDeprecated()) {
if (contentsOffset + 6 >= contents.length) {
resizeContents(6);
}
int deprecatedAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.DeprecatedName);
contents[contentsOffset++] = (byte) (deprecatedAttributeNameIndex >> 8);
contents[contentsOffset++] = (byte) deprecatedAttributeNameIndex;
// the length of a deprecated attribute is equals to 0
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
attributesNumber++;
}
// add signature attribute
char[] genericSignature = fieldBinding.genericSignature();
if (genericSignature != null) {
// check that there is enough space to write all the bytes for the field info corresponding
// to the @fieldBinding
if (contentsOffset + 8 >= contents.length) {
resizeContents(8);
}
int signatureAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.SignatureName);
contents[contentsOffset++] = (byte) (signatureAttributeNameIndex >> 8);
contents[contentsOffset++] = (byte) signatureAttributeNameIndex;
// the length of a signature attribute is equals to 2
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 2;
int signatureIndex =
constantPool.literalIndex(genericSignature);
contents[contentsOffset++] = (byte) (signatureIndex >> 8);
contents[contentsOffset++] = (byte) signatureIndex;
attributesNumber++;
}
if (this.targetJDK >= ClassFileConstants.JDK1_5 && !this.creatingProblemType) {
FieldDeclaration fieldDeclaration = fieldBinding.sourceField();
if (fieldDeclaration != null) {
Annotation[] annotations = fieldDeclaration.annotations;
if (annotations != null) {
attributesNumber += generateRuntimeAnnotations(annotations);
}
}
}
return attributesNumber;
}
/**
* INTERNAL USE-ONLY
* This methods generates the bytes for the given field binding
* @param fieldBinding the given field binding
*/
private void addFieldInfo(FieldBinding fieldBinding) {
// check that there is enough space to write all the bytes for the field info corresponding
// to the @fieldBinding
if (contentsOffset + 8 >= contents.length) {
resizeContents(8);
}
// Now we can generate all entries into the byte array
// First the accessFlags
int accessFlags = fieldBinding.getAccessFlags();
if (targetJDK < ClassFileConstants.JDK1_5) {
// pre 1.5, synthetic was an attribute, not a modifier
accessFlags &= ~ClassFileConstants.AccSynthetic;
}
contents[contentsOffset++] = (byte) (accessFlags >> 8);
contents[contentsOffset++] = (byte) accessFlags;
// Then the nameIndex
int nameIndex = constantPool.literalIndex(fieldBinding.name);
contents[contentsOffset++] = (byte) (nameIndex >> 8);
contents[contentsOffset++] = (byte) nameIndex;
// Then the descriptorIndex
int descriptorIndex = constantPool.literalIndex(fieldBinding.type);
contents[contentsOffset++] = (byte) (descriptorIndex >> 8);
contents[contentsOffset++] = (byte) descriptorIndex;
int fieldAttributeOffset = contentsOffset;
int attributeNumber = 0;
// leave some space for the number of attributes
contentsOffset += 2;
attributeNumber += addFieldAttributes(fieldBinding, fieldAttributeOffset);
if (contentsOffset + 2 >= contents.length) {
resizeContents(2);
}
contents[fieldAttributeOffset++] = (byte) (attributeNumber >> 8);
contents[fieldAttributeOffset] = (byte) attributeNumber;
}
/**
* INTERNAL USE-ONLY
* This methods generate all the fields infos for the receiver.
* This includes:
* - a field info for each defined field of that class
* - a field info for each synthetic field (e.g. this$0)
*/
/**
* INTERNAL USE-ONLY
* This methods generate all the fields infos for the receiver.
* This includes:
* - a field info for each defined field of that class
* - a field info for each synthetic field (e.g. this$0)
*/
public void addFieldInfos() {
SourceTypeBinding currentBinding = referenceBinding;
FieldBinding[] syntheticFields = currentBinding.syntheticFields();
int fieldCount =
currentBinding.fieldCount()
+ (syntheticFields == null ? 0 : syntheticFields.length);
// write the number of fields
if (fieldCount > 0xFFFF) {
referenceBinding.scope.problemReporter().tooManyFields(referenceBinding.scope.referenceType());
}
contents[contentsOffset++] = (byte) (fieldCount >> 8);
contents[contentsOffset++] = (byte) fieldCount;
FieldDeclaration[] fieldDecls = currentBinding.scope.referenceContext.fields;
for (int i = 0, max = fieldDecls == null ? 0 : fieldDecls.length; i < max; i++) {
FieldDeclaration fieldDecl = fieldDecls[i];
if (fieldDecl.binding != null) {
addFieldInfo(fieldDecl.binding);
}
}
if (syntheticFields != null) {
for (int i = 0, max = syntheticFields.length; i < max; i++) {
addFieldInfo(syntheticFields[i]);
}
}
}
private void addMissingAbstractProblemMethod(MethodDeclaration methodDeclaration, MethodBinding methodBinding, CategorizedProblem problem, CompilationResult compilationResult) {
// always clear the strictfp/native/abstract bit for a problem method
generateMethodInfoHeader(methodBinding, methodBinding.modifiers & ~(ClassFileConstants.AccStrictfp | ClassFileConstants.AccNative | ClassFileConstants.AccAbstract));
int methodAttributeOffset = contentsOffset;
int attributeNumber = generateMethodInfoAttribute(methodBinding);
// Code attribute
attributeNumber++;
int codeAttributeOffset = contentsOffset;
generateCodeAttributeHeader();
StringBuffer buffer = new StringBuffer(25);
buffer.append("\t" + problem.getMessage() + "\n" ); //$NON-NLS-1$ //$NON-NLS-2$
buffer.insert(0, Messages.compilation_unresolvedProblem);
String problemString = buffer.toString();
codeStream.init(this);
codeStream.preserveUnusedLocals = true;
codeStream.initializeMaxLocals(methodBinding);
// return codeStream.generateCodeAttributeForProblemMethod(comp.options.runtimeExceptionNameForCompileError, "")
codeStream.generateCodeAttributeForProblemMethod(problemString);
completeCodeAttributeForMissingAbstractProblemMethod(
methodBinding,
codeAttributeOffset,
compilationResult.getLineSeparatorPositions(),
problem.getSourceLineNumber());
completeMethodInfo(methodAttributeOffset, attributeNumber);
}
/**
* INTERNAL USE-ONLY
* Generate the byte for a problem clinit method info that correspond to a boggus method.
*
* @param problems org.aspectj.org.eclipse.jdt.internal.compiler.problem.Problem[]
*/
public void addProblemClinit(CategorizedProblem[] problems) {
generateMethodInfoHeaderForClinit();
// leave two spaces for the number of attributes
contentsOffset -= 2;
int attributeOffset = contentsOffset;
contentsOffset += 2;
int attributeNumber = 0;
int codeAttributeOffset = contentsOffset;
generateCodeAttributeHeader();
codeStream.resetForProblemClinit(this);
String problemString = "" ; //$NON-NLS-1$
int problemLine = 0;
if (problems != null) {
int max = problems.length;
StringBuffer buffer = new StringBuffer(25);
int count = 0;
for (int i = 0; i < max; i++) {
CategorizedProblem problem = problems[i];
if ((problem != null) && (problem.isError())) {
buffer.append("\t" +problem.getMessage() + "\n" ); //$NON-NLS-1$ //$NON-NLS-2$
count++;
if (problemLine == 0) {
problemLine = problem.getSourceLineNumber();
}
problems[i] = null;
}
} // insert the top line afterwards, once knowing how many problems we have to consider
if (count > 1) {
buffer.insert(0, Messages.compilation_unresolvedProblems);
} else {
buffer.insert(0, Messages.compilation_unresolvedProblem);
}
problemString = buffer.toString();
}
// return codeStream.generateCodeAttributeForProblemMethod(comp.options.runtimeExceptionNameForCompileError, "")
codeStream.generateCodeAttributeForProblemMethod(problemString);
attributeNumber++; // code attribute
completeCodeAttributeForClinit(
codeAttributeOffset,
problemLine);
if (contentsOffset + 2 >= contents.length) {
resizeContents(2);
}
contents[attributeOffset++] = (byte) (attributeNumber >> 8);
contents[attributeOffset] = (byte) attributeNumber;
}
/**
* INTERNAL USE-ONLY
* Generate the byte for a problem method info that correspond to a boggus constructor.
*
* @param method org.aspectj.org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration
* @param methodBinding org.aspectj.org.eclipse.jdt.internal.compiler.nameloopkup.MethodBinding
* @param problems org.aspectj.org.eclipse.jdt.internal.compiler.problem.Problem[]
*/
public void addProblemConstructor(
AbstractMethodDeclaration method,
MethodBinding methodBinding,
CategorizedProblem[] problems) {
// always clear the strictfp/native/abstract bit for a problem method
generateMethodInfoHeader(methodBinding, methodBinding.modifiers & ~(ClassFileConstants.AccStrictfp | ClassFileConstants.AccNative | ClassFileConstants.AccAbstract));
int methodAttributeOffset = contentsOffset;
int attributeNumber = generateMethodInfoAttribute(methodBinding, true);
// Code attribute
attributeNumber++;
int codeAttributeOffset = contentsOffset;
generateCodeAttributeHeader();
codeStream.reset(method, this);
String problemString = "" ; //$NON-NLS-1$
int problemLine = 0;
if (problems != null) {
int max = problems.length;
StringBuffer buffer = new StringBuffer(25);
int count = 0;
for (int i = 0; i < max; i++) {
CategorizedProblem problem = problems[i];
if ((problem != null) && (problem.isError())) {
buffer.append("\t" +problem.getMessage() + "\n" ); //$NON-NLS-1$ //$NON-NLS-2$
count++;
if (problemLine == 0) {
problemLine = problem.getSourceLineNumber();
}
}
} // insert the top line afterwards, once knowing how many problems we have to consider
if (count > 1) {
buffer.insert(0, Messages.compilation_unresolvedProblems);
} else {
buffer.insert(0, Messages.compilation_unresolvedProblem);
}
problemString = buffer.toString();
}
// return codeStream.generateCodeAttributeForProblemMethod(comp.options.runtimeExceptionNameForCompileError, "")
codeStream.generateCodeAttributeForProblemMethod(problemString);
completeCodeAttributeForProblemMethod(
method,
methodBinding,
codeAttributeOffset,
((SourceTypeBinding) methodBinding.declaringClass)
.scope
.referenceCompilationUnit()
.compilationResult
.getLineSeparatorPositions(),
problemLine);
completeMethodInfo(methodAttributeOffset, attributeNumber);
}
/**
* INTERNAL USE-ONLY
* Generate the byte for a problem method info that correspond to a boggus constructor.
* Reset the position inside the contents byte array to the savedOffset.
*
* @param method org.aspectj.org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration
* @param methodBinding org.aspectj.org.eclipse.jdt.internal.compiler.nameloopkup.MethodBinding
* @param problems org.aspectj.org.eclipse.jdt.internal.compiler.problem.Problem[]
* @param savedOffset <CODE>int</CODE>
*/
public void addProblemConstructor(
AbstractMethodDeclaration method,
MethodBinding methodBinding,
CategorizedProblem[] problems,
int savedOffset) {
// we need to move back the contentsOffset to the value at the beginning of the method
contentsOffset = savedOffset;
methodCount--; // we need to remove the method that causes the problem
addProblemConstructor(method, methodBinding, problems);
}
/**
* INTERNAL USE-ONLY
* Generate the byte for a problem method info that correspond to a boggus method.
*
* @param method org.aspectj.org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration
* @param methodBinding org.aspectj.org.eclipse.jdt.internal.compiler.nameloopkup.MethodBinding
* @param problems org.aspectj.org.eclipse.jdt.internal.compiler.problem.Problem[]
*/
public void addProblemMethod(
AbstractMethodDeclaration method,
MethodBinding methodBinding,
CategorizedProblem[] problems) {
if (methodBinding.isAbstract() && methodBinding.declaringClass.isInterface()) {
method.abort(ProblemSeverities.AbortType, null);
}
// always clear the strictfp/native/abstract bit for a problem method
generateMethodInfoHeader(methodBinding, methodBinding.modifiers & ~(ClassFileConstants.AccStrictfp | ClassFileConstants.AccNative | ClassFileConstants.AccAbstract));
int methodAttributeOffset = contentsOffset;
int attributeNumber = generateMethodInfoAttribute(methodBinding, true);
// Code attribute
attributeNumber++;
int codeAttributeOffset = contentsOffset;
generateCodeAttributeHeader();
codeStream.reset(method, this);
String problemString = "" ; //$NON-NLS-1$
int problemLine = 0;
if (problems != null) {
int max = problems.length;
StringBuffer buffer = new StringBuffer(25);
int count = 0;
for (int i = 0; i < max; i++) {
CategorizedProblem problem = problems[i];
if ((problem != null)
&& (problem.isError())
&& (problem.getSourceStart() >= method.declarationSourceStart)
&& (problem.getSourceEnd() <= method.declarationSourceEnd)) {
buffer.append("\t" +problem.getMessage() + "\n" ); //$NON-NLS-1$ //$NON-NLS-2$
count++;
if (problemLine == 0) {
problemLine = problem.getSourceLineNumber();
}
problems[i] = null;
}
} // insert the top line afterwards, once knowing how many problems we have to consider
if (count > 1) {
buffer.insert(0, Messages.compilation_unresolvedProblems);
} else {
buffer.insert(0, Messages.compilation_unresolvedProblem);
}
problemString = buffer.toString();
}
// return codeStream.generateCodeAttributeForProblemMethod(comp.options.runtimeExceptionNameForCompileError, "")
codeStream.generateCodeAttributeForProblemMethod(problemString);
completeCodeAttributeForProblemMethod(
method,
methodBinding,
codeAttributeOffset,
((SourceTypeBinding) methodBinding.declaringClass)
.scope
.referenceCompilationUnit()
.compilationResult
.getLineSeparatorPositions(),
problemLine);
completeMethodInfo(methodAttributeOffset, attributeNumber);
}
/**
* INTERNAL USE-ONLY
* Generate the byte for a problem method info that correspond to a boggus method.
* Reset the position inside the contents byte array to the savedOffset.
*
* @param method org.aspectj.org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration
* @param methodBinding org.aspectj.org.eclipse.jdt.internal.compiler.nameloopkup.MethodBinding
* @param problems org.aspectj.org.eclipse.jdt.internal.compiler.problem.Problem[]
* @param savedOffset <CODE>int</CODE>
*/
public void addProblemMethod(
AbstractMethodDeclaration method,
MethodBinding methodBinding,
CategorizedProblem[] problems,
int savedOffset) {
// we need to move back the contentsOffset to the value at the beginning of the method
contentsOffset = savedOffset;
methodCount--; // we need to remove the method that causes the problem
addProblemMethod(method, methodBinding, problems);
}
/**
* INTERNAL USE-ONLY
* Generate the byte for all the special method infos.
* They are:
* - synthetic access methods
* - default abstract methods
*/
public void addSpecialMethods() {
// add all methods (default abstract methods and synthetic)
// default abstract methods
generateMissingAbstractMethods(referenceBinding.scope.referenceType().missingAbstractMethods, referenceBinding.scope.referenceCompilationUnit().compilationResult);
MethodBinding[] defaultAbstractMethods = this.referenceBinding.getDefaultAbstractMethods();
for (int i = 0, max = defaultAbstractMethods.length; i < max; i++) {
generateMethodInfoHeader(defaultAbstractMethods[i]);
int methodAttributeOffset = contentsOffset;
int attributeNumber = generateMethodInfoAttribute(defaultAbstractMethods[i]);
completeMethodInfo(methodAttributeOffset, attributeNumber);
}
// add synthetic methods infos
SyntheticMethodBinding[] syntheticMethods = this.referenceBinding.syntheticMethods();
if (syntheticMethods != null) {
for (int i = 0, max = syntheticMethods.length; i < max; i++) {
SyntheticMethodBinding syntheticMethod = syntheticMethods[i];
switch (syntheticMethod.kind) {
case SyntheticMethodBinding.FieldReadAccess :
// generate a method info to emulate an reading access to
// a non-accessible field
addSyntheticFieldReadAccessMethod(syntheticMethod);
break;
case SyntheticMethodBinding.FieldWriteAccess :
// generate a method info to emulate an writing access to
// a non-accessible field
addSyntheticFieldWriteAccessMethod(syntheticMethod);
break;
case SyntheticMethodBinding.MethodAccess :
case SyntheticMethodBinding.SuperMethodAccess :
case SyntheticMethodBinding.BridgeMethod :
// generate a method info to emulate an access to a non-accessible method / super-method or bridge method
addSyntheticMethodAccessMethod(syntheticMethod);
break;
case SyntheticMethodBinding.ConstructorAccess :
// generate a method info to emulate an access to a non-accessible constructor
addSyntheticConstructorAccessMethod(syntheticMethod);
break;
case SyntheticMethodBinding.EnumValues :
// generate a method info to define <enum>#values()
addSyntheticEnumValuesMethod(syntheticMethod);
break;
case SyntheticMethodBinding.EnumValueOf :
// generate a method info to define <enum>#valueOf(String)
addSyntheticEnumValueOfMethod(syntheticMethod);
break;
case SyntheticMethodBinding.SwitchTable :
// generate a method info to define the switch table synthetic method
addSyntheticSwitchTable(syntheticMethod);
}
}
}
}
/**
* INTERNAL USE-ONLY
* Generate the bytes for a synthetic method that provides an access to a private constructor.
*
* @param methodBinding org.aspectj.org.eclipse.jdt.internal.compiler.nameloopkup.SyntheticAccessMethodBinding
*/
public void addSyntheticConstructorAccessMethod(SyntheticMethodBinding methodBinding) {
generateMethodInfoHeader(methodBinding);
int methodAttributeOffset = this.contentsOffset;
// this will add exception attribute, synthetic attribute, deprecated attribute,...
int attributeNumber = generateMethodInfoAttribute(methodBinding);
// Code attribute
int codeAttributeOffset = contentsOffset;
attributeNumber++; // add code attribute
generateCodeAttributeHeader();
codeStream.init(this);
codeStream.generateSyntheticBodyForConstructorAccess(methodBinding);
completeCodeAttributeForSyntheticMethod(
methodBinding,
codeAttributeOffset,
((SourceTypeBinding) methodBinding.declaringClass)
.scope
.referenceCompilationUnit()
.compilationResult
.getLineSeparatorPositions());
// update the number of attributes
contents[methodAttributeOffset++] = (byte) (attributeNumber >> 8);
contents[methodAttributeOffset] = (byte) attributeNumber;
}
/**
* INTERNAL USE-ONLY
* Generate the bytes for a synthetic method that implements Enum#valueOf(String) for a given enum type
*
* @param methodBinding org.aspectj.org.eclipse.jdt.internal.compiler.nameloopkup.SyntheticAccessMethodBinding
*/
public void addSyntheticEnumValueOfMethod(SyntheticMethodBinding methodBinding) {
generateMethodInfoHeader(methodBinding);
int methodAttributeOffset = this.contentsOffset;
// this will add exception attribute, synthetic attribute, deprecated attribute,...
int attributeNumber = generateMethodInfoAttribute(methodBinding);
// Code attribute
int codeAttributeOffset = contentsOffset;
attributeNumber++; // add code attribute
generateCodeAttributeHeader();
codeStream.init(this);
codeStream.generateSyntheticBodyForEnumValueOf(methodBinding);
completeCodeAttributeForSyntheticMethod(
methodBinding,
codeAttributeOffset,
((SourceTypeBinding) methodBinding.declaringClass)
.scope
.referenceCompilationUnit()
.compilationResult
.getLineSeparatorPositions());
// update the number of attributes
contents[methodAttributeOffset++] = (byte) (attributeNumber >> 8);
contents[methodAttributeOffset] = (byte) attributeNumber;
}
/**
* INTERNAL USE-ONLY
* Generate the bytes for a synthetic method that implements Enum#values() for a given enum type
*
* @param methodBinding org.aspectj.org.eclipse.jdt.internal.compiler.nameloopkup.SyntheticAccessMethodBinding
*/
public void addSyntheticEnumValuesMethod(SyntheticMethodBinding methodBinding) {
generateMethodInfoHeader(methodBinding);
int methodAttributeOffset = this.contentsOffset;
// this will add exception attribute, synthetic attribute, deprecated attribute,...
int attributeNumber = generateMethodInfoAttribute(methodBinding);
// Code attribute
int codeAttributeOffset = contentsOffset;
attributeNumber++; // add code attribute
generateCodeAttributeHeader();
codeStream.init(this);
codeStream.generateSyntheticBodyForEnumValues(methodBinding);
completeCodeAttributeForSyntheticMethod(
methodBinding,
codeAttributeOffset,
((SourceTypeBinding) methodBinding.declaringClass)
.scope
.referenceCompilationUnit()
.compilationResult
.getLineSeparatorPositions());
// update the number of attributes
contents[methodAttributeOffset++] = (byte) (attributeNumber >> 8);
contents[methodAttributeOffset] = (byte) attributeNumber;
}
/**
* INTERNAL USE-ONLY
* Generate the byte for a problem method info that correspond to a synthetic method that
* generate an read access to a private field.
*
* @param methodBinding org.aspectj.org.eclipse.jdt.internal.compiler.nameloopkup.SyntheticAccessMethodBinding
*/
public void addSyntheticFieldReadAccessMethod(SyntheticMethodBinding methodBinding) {
generateMethodInfoHeader(methodBinding);
int methodAttributeOffset = this.contentsOffset;
// this will add exception attribute, synthetic attribute, deprecated attribute,...
int attributeNumber = generateMethodInfoAttribute(methodBinding);
// Code attribute
int codeAttributeOffset = contentsOffset;
attributeNumber++; // add code attribute
generateCodeAttributeHeader();
codeStream.init(this);
codeStream.generateSyntheticBodyForFieldReadAccess(methodBinding);
completeCodeAttributeForSyntheticMethod(
methodBinding,
codeAttributeOffset,
((SourceTypeBinding) methodBinding.declaringClass)
.scope
.referenceCompilationUnit()
.compilationResult
.getLineSeparatorPositions());
// update the number of attributes
contents[methodAttributeOffset++] = (byte) (attributeNumber >> 8);
contents[methodAttributeOffset] = (byte) attributeNumber;
}
/**
* INTERNAL USE-ONLY
* Generate the byte for a problem method info that correspond to a synthetic method that
* generate an write access to a private field.
*
* @param methodBinding org.aspectj.org.eclipse.jdt.internal.compiler.nameloopkup.SyntheticAccessMethodBinding
*/
public void addSyntheticFieldWriteAccessMethod(SyntheticMethodBinding methodBinding) {
generateMethodInfoHeader(methodBinding);
int methodAttributeOffset = this.contentsOffset;
// this will add exception attribute, synthetic attribute, deprecated attribute,...
int attributeNumber = generateMethodInfoAttribute(methodBinding);
// Code attribute
int codeAttributeOffset = contentsOffset;
attributeNumber++; // add code attribute
generateCodeAttributeHeader();
codeStream.init(this);
codeStream.generateSyntheticBodyForFieldWriteAccess(methodBinding);
completeCodeAttributeForSyntheticMethod(
methodBinding,
codeAttributeOffset,
((SourceTypeBinding) methodBinding.declaringClass)
.scope
.referenceCompilationUnit()
.compilationResult
.getLineSeparatorPositions());
// update the number of attributes
contents[methodAttributeOffset++] = (byte) (attributeNumber >> 8);
contents[methodAttributeOffset] = (byte) attributeNumber;
}
/**
* INTERNAL USE-ONLY
* Generate the bytes for a synthetic method that provides access to a private method.
*
* @param methodBinding org.aspectj.org.eclipse.jdt.internal.compiler.nameloopkup.SyntheticAccessMethodBinding
*/
public void addSyntheticMethodAccessMethod(SyntheticMethodBinding methodBinding) {
generateMethodInfoHeader(methodBinding);
int methodAttributeOffset = this.contentsOffset;
// this will add exception attribute, synthetic attribute, deprecated attribute,...
int attributeNumber = generateMethodInfoAttribute(methodBinding);
// Code attribute
int codeAttributeOffset = contentsOffset;
attributeNumber++; // add code attribute
generateCodeAttributeHeader();
codeStream.init(this);
codeStream.generateSyntheticBodyForMethodAccess(methodBinding);
completeCodeAttributeForSyntheticMethod(
methodBinding,
codeAttributeOffset,
((SourceTypeBinding) methodBinding.declaringClass)
.scope
.referenceCompilationUnit()
.compilationResult
.getLineSeparatorPositions());
// update the number of attributes
contents[methodAttributeOffset++] = (byte) (attributeNumber >> 8);
contents[methodAttributeOffset] = (byte) attributeNumber;
}
public void addSyntheticSwitchTable(SyntheticMethodBinding methodBinding) {
generateMethodInfoHeader(methodBinding);
int methodAttributeOffset = this.contentsOffset;
// this will add exception attribute, synthetic attribute, deprecated attribute,...
int attributeNumber = generateMethodInfoAttribute(methodBinding);
// Code attribute
int codeAttributeOffset = contentsOffset;
attributeNumber++; // add code attribute
generateCodeAttributeHeader();
codeStream.init(this);
codeStream.generateSyntheticBodyForSwitchTable(methodBinding);
completeCodeAttributeForSyntheticMethod(
true,
methodBinding,
codeAttributeOffset,
((SourceTypeBinding) methodBinding.declaringClass)
.scope
.referenceCompilationUnit()
.compilationResult
.getLineSeparatorPositions());
// update the number of attributes
contents[methodAttributeOffset++] = (byte) (attributeNumber >> 8);
contents[methodAttributeOffset] = (byte) attributeNumber;
}
/**
* INTERNAL USE-ONLY
* That method completes the creation of the code attribute by setting
* - the attribute_length
* - max_stack
* - max_locals
* - code_length
* - exception table
* - and debug attributes if necessary.
*
* @param codeAttributeOffset <CODE>int</CODE>
*/
public void completeCodeAttribute(int codeAttributeOffset) {
// reinitialize the localContents with the byte modified by the code stream
this.contents = codeStream.bCodeStream;
int localContentsOffset = codeStream.classFileOffset;
// codeAttributeOffset is the position inside localContents byte array before we started to write
// any information about the codeAttribute
// That means that to write the attribute_length you need to offset by 2 the value of codeAttributeOffset
// to get the right position, 6 for the max_stack etc...
int code_length = codeStream.position;
if (code_length > 65535) {
codeStream.methodDeclaration.scope.problemReporter().bytecodeExceeds64KLimit(
codeStream.methodDeclaration);
}
if (localContentsOffset + 20 >= this.contents.length) {
resizeContents(20);
}
int max_stack = codeStream.stackMax;
this.contents[codeAttributeOffset + 6] = (byte) (max_stack >> 8);
this.contents[codeAttributeOffset + 7] = (byte) max_stack;
int max_locals = codeStream.maxLocals;
this.contents[codeAttributeOffset + 8] = (byte) (max_locals >> 8);
this.contents[codeAttributeOffset + 9] = (byte) max_locals;
this.contents[codeAttributeOffset + 10] = (byte) (code_length >> 24);
this.contents[codeAttributeOffset + 11] = (byte) (code_length >> 16);
this.contents[codeAttributeOffset + 12] = (byte) (code_length >> 8);
this.contents[codeAttributeOffset + 13] = (byte) code_length;
// write the exception table
ExceptionLabel[] exceptionLabels = codeStream.exceptionLabels;
int exceptionHandlersCount = 0; // each label holds one handler per range (start/end contiguous)
for (int i = 0, length = codeStream.exceptionLabelsCounter; i < length; i++) {
exceptionHandlersCount += codeStream.exceptionLabels[i].count / 2;
}
int exSize = exceptionHandlersCount * 8 + 2;
if (exSize + localContentsOffset >= this.contents.length) {
resizeContents(exSize);
}
// there is no exception table, so we need to offset by 2 the current offset and move
// on the attribute generation
this.contents[localContentsOffset++] = (byte) (exceptionHandlersCount >> 8);
this.contents[localContentsOffset++] = (byte) exceptionHandlersCount;
for (int i = 0, max = codeStream.exceptionLabelsCounter; i < max; i++) {
ExceptionLabel exceptionLabel = exceptionLabels[i];
if (exceptionLabel != null) {
int iRange = 0, maxRange = exceptionLabel.count;
if ((maxRange & 1) != 0) {
codeStream.methodDeclaration.scope.problemReporter().abortDueToInternalError(
Messages.bind(Messages.abort_invalidExceptionAttribute, new String(codeStream.methodDeclaration.selector)),
codeStream.methodDeclaration);
}
while (iRange < maxRange) {
int start = exceptionLabel.ranges[iRange++]; // even ranges are start positions
this.contents[localContentsOffset++] = (byte) (start >> 8);
this.contents[localContentsOffset++] = (byte) start;
int end = exceptionLabel.ranges[iRange++]; // odd ranges are end positions
this.contents[localContentsOffset++] = (byte) (end >> 8);
this.contents[localContentsOffset++] = (byte) end;
int handlerPC = exceptionLabel.position;
this.contents[localContentsOffset++] = (byte) (handlerPC >> 8);
this.contents[localContentsOffset++] = (byte) handlerPC;
if (exceptionLabel.exceptionType == null) {
// any exception handler
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
} else {
int nameIndex;
if (exceptionLabel.exceptionType == TypeBinding.NULL) {
/* represents ClassNotFoundException, see class literal access*/
nameIndex = constantPool.literalIndexForType(ConstantPool.JavaLangClassNotFoundExceptionConstantPoolName);
} else {
nameIndex = constantPool.literalIndexForType(exceptionLabel.exceptionType);
}
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
}
}
}
}
// debug attributes
int codeAttributeAttributeOffset = localContentsOffset;
int attributeNumber = 0;
// leave two bytes for the attribute_length
localContentsOffset += 2;
if (localContentsOffset + 2 >= this.contents.length) {
resizeContents(2);
}
// first we handle the linenumber attribute
if ((this.produceAttributes & ClassFileConstants.ATTR_LINES) != 0) {
/* Create and add the line number attribute (used for debugging)
* Build the pairs of:
* (bytecodePC lineNumber)
* according to the table of start line indexes and the pcToSourceMap table
* contained into the codestream
*/
int[] pcToSourceMapTable;
if (((pcToSourceMapTable = codeStream.pcToSourceMap) != null)
&& (codeStream.pcToSourceMapSize != 0)) {
int lineNumberNameIndex =
constantPool.literalIndex(AttributeNamesConstants.LineNumberTableName);
if (localContentsOffset + 8 >= this.contents.length) {
resizeContents(8);
}
this.contents[localContentsOffset++] = (byte) (lineNumberNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) lineNumberNameIndex;
int lineNumberTableOffset = localContentsOffset;
localContentsOffset += 6;
// leave space for attribute_length and line_number_table_length
int numberOfEntries = 0;
int length = codeStream.pcToSourceMapSize;
for (int i = 0; i < length;) {
// write the entry
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
int pc = pcToSourceMapTable[i++];
this.contents[localContentsOffset++] = (byte) (pc >> 8);
this.contents[localContentsOffset++] = (byte) pc;
int lineNumber = pcToSourceMapTable[i++];
this.contents[localContentsOffset++] = (byte) (lineNumber >> 8);
this.contents[localContentsOffset++] = (byte) lineNumber;
numberOfEntries++;
}
// now we change the size of the line number attribute
int lineNumberAttr_length = numberOfEntries * 4 + 2;
this.contents[lineNumberTableOffset++] = (byte) (lineNumberAttr_length >> 24);
this.contents[lineNumberTableOffset++] = (byte) (lineNumberAttr_length >> 16);
this.contents[lineNumberTableOffset++] = (byte) (lineNumberAttr_length >> 8);
this.contents[lineNumberTableOffset++] = (byte) lineNumberAttr_length;
this.contents[lineNumberTableOffset++] = (byte) (numberOfEntries >> 8);
this.contents[lineNumberTableOffset++] = (byte) numberOfEntries;
attributeNumber++;
}
}
// then we do the local variable attribute
if ((this.produceAttributes & ClassFileConstants.ATTR_VARS) != 0) {
int numberOfEntries = 0;
int localVariableNameIndex =
constantPool.literalIndex(AttributeNamesConstants.LocalVariableTableName);
final boolean methodDeclarationIsStatic = codeStream.methodDeclaration.isStatic();
int maxOfEntries = 8 + 10 * (methodDeclarationIsStatic ? 0 : 1);
for (int i = 0; i < codeStream.allLocalsCounter; i++) {
maxOfEntries += 10 * codeStream.locals[i].initializationCount;
}
// reserve enough space
if (localContentsOffset + maxOfEntries >= this.contents.length) {
resizeContents(maxOfEntries);
}
this.contents[localContentsOffset++] = (byte) (localVariableNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) localVariableNameIndex;
int localVariableTableOffset = localContentsOffset;
// leave space for attribute_length and local_variable_table_length
localContentsOffset += 6;
int nameIndex;
int descriptorIndex;
SourceTypeBinding declaringClassBinding = null;
if (!methodDeclarationIsStatic) {
numberOfEntries++;
this.contents[localContentsOffset++] = 0; // the startPC for this is always 0
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = (byte) (code_length >> 8);
this.contents[localContentsOffset++] = (byte) code_length;
nameIndex = constantPool.literalIndex(ConstantPool.This);
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
declaringClassBinding = (SourceTypeBinding) codeStream.methodDeclaration.binding.declaringClass;
descriptorIndex =
constantPool.literalIndex(
declaringClassBinding.signature());
this.contents[localContentsOffset++] = (byte) (descriptorIndex >> 8);
this.contents[localContentsOffset++] = (byte) descriptorIndex;
this.contents[localContentsOffset++] = 0;// the resolved position for this is always 0
this.contents[localContentsOffset++] = 0;
}
// used to remember the local variable with a generic type
int genericLocalVariablesCounter = 0;
LocalVariableBinding[] genericLocalVariables = null;
int numberOfGenericEntries = 0;
for (int i = 0, max = codeStream.allLocalsCounter; i < max; i++) {
LocalVariableBinding localVariable = codeStream.locals[i];
final TypeBinding localVariableTypeBinding = localVariable.type;
boolean isParameterizedType = localVariableTypeBinding.isParameterizedType() || localVariableTypeBinding.isTypeVariable();
if (localVariable.initializationCount != 0 && isParameterizedType) {
if (genericLocalVariables == null) {
// we cannot have more than max locals
genericLocalVariables = new LocalVariableBinding[max];
}
genericLocalVariables[genericLocalVariablesCounter++] = localVariable;
}
for (int j = 0; j < localVariable.initializationCount; j++) {
int startPC = localVariable.initializationPCs[j << 1];
int endPC = localVariable.initializationPCs[(j << 1) + 1];
if (startPC != endPC) { // only entries for non zero length
if (endPC == -1) {
localVariable.declaringScope.problemReporter().abortDueToInternalError(
Messages.bind(Messages.abort_invalidAttribute, new String(localVariable.name)),
(ASTNode) localVariable.declaringScope.methodScope().referenceContext);
}
if (isParameterizedType) {
numberOfGenericEntries++;
}
// now we can safely add the local entry
numberOfEntries++;
this.contents[localContentsOffset++] = (byte) (startPC >> 8);
this.contents[localContentsOffset++] = (byte) startPC;
int length = endPC - startPC;
this.contents[localContentsOffset++] = (byte) (length >> 8);
this.contents[localContentsOffset++] = (byte) length;
nameIndex = constantPool.literalIndex(localVariable.name);
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
descriptorIndex = constantPool.literalIndex(localVariableTypeBinding.signature());
this.contents[localContentsOffset++] = (byte) (descriptorIndex >> 8);
this.contents[localContentsOffset++] = (byte) descriptorIndex;
int resolvedPosition = localVariable.resolvedPosition;
this.contents[localContentsOffset++] = (byte) (resolvedPosition >> 8);
this.contents[localContentsOffset++] = (byte) resolvedPosition;
}
}
}
int value = numberOfEntries * 10 + 2;
this.contents[localVariableTableOffset++] = (byte) (value >> 24);
this.contents[localVariableTableOffset++] = (byte) (value >> 16);
this.contents[localVariableTableOffset++] = (byte) (value >> 8);
this.contents[localVariableTableOffset++] = (byte) value;
this.contents[localVariableTableOffset++] = (byte) (numberOfEntries >> 8);
this.contents[localVariableTableOffset] = (byte) numberOfEntries;
attributeNumber++;
final boolean currentInstanceIsGeneric =
!methodDeclarationIsStatic
&& declaringClassBinding != null
&& declaringClassBinding.typeVariables != Binding.NO_TYPE_VARIABLES;
if (genericLocalVariablesCounter != 0 || currentInstanceIsGeneric) {
// add the local variable type table attribute
numberOfGenericEntries += (currentInstanceIsGeneric ? 1 : 0);
maxOfEntries = 8 + numberOfGenericEntries * 10;
// reserve enough space
if (localContentsOffset + maxOfEntries >= this.contents.length) {
resizeContents(maxOfEntries);
}
int localVariableTypeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.LocalVariableTypeTableName);
this.contents[localContentsOffset++] = (byte) (localVariableTypeNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) localVariableTypeNameIndex;
value = numberOfGenericEntries * 10 + 2;
this.contents[localContentsOffset++] = (byte) (value >> 24);
this.contents[localContentsOffset++] = (byte) (value >> 16);
this.contents[localContentsOffset++] = (byte) (value >> 8);
this.contents[localContentsOffset++] = (byte) value;
this.contents[localContentsOffset++] = (byte) (numberOfGenericEntries >> 8);
this.contents[localContentsOffset++] = (byte) numberOfGenericEntries;
if (currentInstanceIsGeneric) {
this.contents[localContentsOffset++] = 0; // the startPC for this is always 0
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = (byte) (code_length >> 8);
this.contents[localContentsOffset++] = (byte) code_length;
nameIndex = constantPool.literalIndex(ConstantPool.This);
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
descriptorIndex = constantPool.literalIndex(declaringClassBinding.genericTypeSignature());
this.contents[localContentsOffset++] = (byte) (descriptorIndex >> 8);
this.contents[localContentsOffset++] = (byte) descriptorIndex;
this.contents[localContentsOffset++] = 0;// the resolved position for this is always 0
this.contents[localContentsOffset++] = 0;
}
for (int i = 0; i < genericLocalVariablesCounter; i++) {
LocalVariableBinding localVariable = genericLocalVariables[i];
for (int j = 0; j < localVariable.initializationCount; j++) {
int startPC = localVariable.initializationPCs[j << 1];
int endPC = localVariable.initializationPCs[(j << 1) + 1];
if (startPC != endPC) {
// only entries for non zero length
// now we can safely add the local entry
this.contents[localContentsOffset++] = (byte) (startPC >> 8);
this.contents[localContentsOffset++] = (byte) startPC;
int length = endPC - startPC;
this.contents[localContentsOffset++] = (byte) (length >> 8);
this.contents[localContentsOffset++] = (byte) length;
nameIndex = constantPool.literalIndex(localVariable.name);
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
descriptorIndex = constantPool.literalIndex(localVariable.type.genericTypeSignature());
this.contents[localContentsOffset++] = (byte) (descriptorIndex >> 8);
this.contents[localContentsOffset++] = (byte) descriptorIndex;
int resolvedPosition = localVariable.resolvedPosition;
this.contents[localContentsOffset++] = (byte) (resolvedPosition >> 8);
this.contents[localContentsOffset++] = (byte) resolvedPosition;
}
}
}
attributeNumber++;
}
}
if ((this.produceAttributes & ClassFileConstants.ATTR_STACK_MAP) != 0) {
final Set framesPositions = ((StackMapFrameCodeStream) codeStream).framePositions;
final int framesPositionsSize = framesPositions.size();
int numberOfFrames = framesPositionsSize - 1; // -1 because last return doesn't count
if (numberOfFrames > 0) {
ArrayList framePositions = new ArrayList(framesPositionsSize);
framePositions.addAll(framesPositions);
Collections.sort(framePositions);
int stackMapTableAttributeOffset = localContentsOffset;
// add the stack map table attribute
if (localContentsOffset + 8 >= this.contents.length) {
resizeContents(8);
}
int stackMapTableAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.StackMapTableName);
this.contents[localContentsOffset++] = (byte) (stackMapTableAttributeNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) stackMapTableAttributeNameIndex;
int stackMapTableAttributeLengthOffset = localContentsOffset;
// generate the attribute
localContentsOffset += 4;
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
numberOfFrames = 0;
int numberOfFramesOffset = localContentsOffset;
localContentsOffset += 2;
if (localContentsOffset + 2 >= this.contents.length) {
resizeContents(2);
}
ArrayList frames = ((StackMapFrameCodeStream) codeStream).frames;
StackMapFrame currentFrame = (StackMapFrame) frames.get(0);
StackMapFrame prevFrame = null;
int framesSize = frames.size();
int frameIndex = 0;
for (int j = 0; j < framesPositionsSize && ((Integer) framePositions.get(j)).intValue() < code_length; j++) {
// select next frame
prevFrame = currentFrame;
currentFrame = null;
for (; frameIndex < framesSize; frameIndex++) {
currentFrame = (StackMapFrame) frames.get(frameIndex);
if (currentFrame.pc == ((Integer) framePositions.get(j)).intValue()) {
break;
}
}
if (currentFrame == null) break;
// generate current frame
// need to find differences between the current frame and the previous frame
numberOfFrames++;
int offsetDelta = currentFrame.getOffsetDelta(prevFrame);
switch (currentFrame.getFrameType(prevFrame)) {
case StackMapFrame.APPEND_FRAME :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
int numberOfDifferentLocals = currentFrame.numberOfDifferentLocals(prevFrame);
this.contents[localContentsOffset++] = (byte) (251 + numberOfDifferentLocals);
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
int index = currentFrame.getIndexOfDifferentLocals(numberOfDifferentLocals);
int numberOfLocals = currentFrame.getNumberOfLocals();
for (int i = index; i < currentFrame.locals.length && numberOfDifferentLocals > 0; i++) {
if (localContentsOffset + 6 >= this.contents.length) {
resizeContents(6);
}
VerificationTypeInfo info = currentFrame.locals[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
i++;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
i++;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
numberOfDifferentLocals--;
}
}
break;
case StackMapFrame.SAME_FRAME :
if (localContentsOffset + 1 >= this.contents.length) {
resizeContents(1);
}
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.SAME_FRAME_EXTENDED :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
this.contents[localContentsOffset++] = (byte) 251;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.CHOP_FRAME :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
numberOfDifferentLocals = -currentFrame.numberOfDifferentLocals(prevFrame);
this.contents[localContentsOffset++] = (byte) (251 - numberOfDifferentLocals);
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.SAME_LOCALS_1_STACK_ITEMS :
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
this.contents[localContentsOffset++] = (byte) (offsetDelta + 64);
if (currentFrame.stackItems[0] == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(currentFrame.stackItems[0].id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
VerificationTypeInfo info = currentFrame.stackItems[0];
byte tag = (byte) info.tag;
this.contents[localContentsOffset++] = tag;
switch (tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
break;
case StackMapFrame.SAME_LOCALS_1_STACK_ITEMS_EXTENDED :
if (localContentsOffset + 6 >= this.contents.length) {
resizeContents(6);
}
this.contents[localContentsOffset++] = (byte) 247;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
if (currentFrame.stackItems[0] == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(currentFrame.stackItems[0].id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
VerificationTypeInfo info = currentFrame.stackItems[0];
byte tag = (byte) info.tag;
this.contents[localContentsOffset++] = tag;
switch (tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
break;
default :
// FULL_FRAME
if (localContentsOffset + 5 >= this.contents.length) {
resizeContents(5);
}
this.contents[localContentsOffset++] = (byte) 255;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
int numberOfLocalOffset = localContentsOffset;
localContentsOffset += 2; // leave two spots for number of locals
int numberOfLocalEntries = 0;
numberOfLocals = currentFrame.getNumberOfLocals();
int numberOfEntries = 0;
int localsLength = currentFrame.locals == null ? 0 : currentFrame.locals.length;
for (int i = 0; i < localsLength && numberOfLocalEntries < numberOfLocals; i++) {
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
VerificationTypeInfo info = currentFrame.locals[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
i++;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
i++;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
numberOfLocalEntries++;
}
numberOfEntries++;
}
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
this.contents[numberOfLocalOffset++] = (byte) (numberOfEntries >> 8);
this.contents[numberOfLocalOffset] = (byte) numberOfEntries;
int numberOfStackItems = currentFrame.numberOfStackItems;
this.contents[localContentsOffset++] = (byte) (numberOfStackItems >> 8);
this.contents[localContentsOffset++] = (byte) numberOfStackItems;
for (int i = 0; i < numberOfStackItems; i++) {
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
VerificationTypeInfo info = currentFrame.stackItems[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
}
}
}
if (numberOfFrames != 0) {
this.contents[numberOfFramesOffset++] = (byte) (numberOfFrames >> 8);
this.contents[numberOfFramesOffset] = (byte) numberOfFrames;
int attributeLength = localContentsOffset - stackMapTableAttributeLengthOffset - 4;
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 24);
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 16);
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 8);
this.contents[stackMapTableAttributeLengthOffset] = (byte) attributeLength;
attributeNumber++;
} else {
localContentsOffset = stackMapTableAttributeOffset;
}
}
}
this.contents[codeAttributeAttributeOffset++] = (byte) (attributeNumber >> 8);
this.contents[codeAttributeAttributeOffset] = (byte) attributeNumber;
// update the attribute length
int codeAttributeLength = localContentsOffset - (codeAttributeOffset + 6);
this.contents[codeAttributeOffset + 2] = (byte) (codeAttributeLength >> 24);
this.contents[codeAttributeOffset + 3] = (byte) (codeAttributeLength >> 16);
this.contents[codeAttributeOffset + 4] = (byte) (codeAttributeLength >> 8);
this.contents[codeAttributeOffset + 5] = (byte) codeAttributeLength;
contentsOffset = localContentsOffset;
}
/**
* INTERNAL USE-ONLY
* That method completes the creation of the code attribute by setting
* - the attribute_length
* - max_stack
* - max_locals
* - code_length
* - exception table
* - and debug attributes if necessary.
*
* @param codeAttributeOffset <CODE>int</CODE>
*/
public void completeCodeAttributeForClinit(int codeAttributeOffset) {
// reinitialize the contents with the byte modified by the code stream
this.contents = codeStream.bCodeStream;
int localContentsOffset = codeStream.classFileOffset;
// codeAttributeOffset is the position inside contents byte array before we started to write
// any information about the codeAttribute
// That means that to write the attribute_length you need to offset by 2 the value of codeAttributeOffset
// to get the right position, 6 for the max_stack etc...
int code_length = codeStream.position;
if (code_length > 65535) {
codeStream.methodDeclaration.scope.problemReporter().bytecodeExceeds64KLimit(
codeStream.methodDeclaration.scope.referenceType());
}
if (localContentsOffset + 20 >= this.contents.length) {
resizeContents(20);
}
int max_stack = codeStream.stackMax;
this.contents[codeAttributeOffset + 6] = (byte) (max_stack >> 8);
this.contents[codeAttributeOffset + 7] = (byte) max_stack;
int max_locals = codeStream.maxLocals;
this.contents[codeAttributeOffset + 8] = (byte) (max_locals >> 8);
this.contents[codeAttributeOffset + 9] = (byte) max_locals;
this.contents[codeAttributeOffset + 10] = (byte) (code_length >> 24);
this.contents[codeAttributeOffset + 11] = (byte) (code_length >> 16);
this.contents[codeAttributeOffset + 12] = (byte) (code_length >> 8);
this.contents[codeAttributeOffset + 13] = (byte) code_length;
// write the exception table
ExceptionLabel[] exceptionLabels = codeStream.exceptionLabels;
int exceptionHandlersCount = 0; // each label holds one handler per range (start/end contiguous)
for (int i = 0, length = codeStream.exceptionLabelsCounter; i < length; i++) {
exceptionHandlersCount += codeStream.exceptionLabels[i].count / 2;
}
int exSize = exceptionHandlersCount * 8 + 2;
if (exSize + localContentsOffset >= this.contents.length) {
resizeContents(exSize);
}
// there is no exception table, so we need to offset by 2 the current offset and move
// on the attribute generation
this.contents[localContentsOffset++] = (byte) (exceptionHandlersCount >> 8);
this.contents[localContentsOffset++] = (byte) exceptionHandlersCount;
for (int i = 0, max = codeStream.exceptionLabelsCounter; i < max; i++) {
ExceptionLabel exceptionLabel = exceptionLabels[i];
if (exceptionLabel != null) {
int iRange = 0, maxRange = exceptionLabel.count;
if ((maxRange & 1) != 0) {
codeStream.methodDeclaration.scope.problemReporter().abortDueToInternalError(
Messages.bind(Messages.abort_invalidExceptionAttribute, new String(codeStream.methodDeclaration.selector)),
codeStream.methodDeclaration);
}
while (iRange < maxRange) {
int start = exceptionLabel.ranges[iRange++]; // even ranges are start positions
this.contents[localContentsOffset++] = (byte) (start >> 8);
this.contents[localContentsOffset++] = (byte) start;
int end = exceptionLabel.ranges[iRange++]; // odd ranges are end positions
this.contents[localContentsOffset++] = (byte) (end >> 8);
this.contents[localContentsOffset++] = (byte) end;
int handlerPC = exceptionLabel.position;
this.contents[localContentsOffset++] = (byte) (handlerPC >> 8);
this.contents[localContentsOffset++] = (byte) handlerPC;
if (exceptionLabel.exceptionType == null) {
// any exception handler
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
} else {
int nameIndex;
if (exceptionLabel.exceptionType == TypeBinding.NULL) {
/* represents denote ClassNotFoundException, see class literal access*/
nameIndex = constantPool.literalIndexForType(ConstantPool.JavaLangClassNotFoundExceptionConstantPoolName);
} else {
nameIndex = constantPool.literalIndexForType(exceptionLabel.exceptionType);
}
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
}
}
}
}
// debug attributes
int codeAttributeAttributeOffset = localContentsOffset;
int attributeNumber = 0;
// leave two bytes for the attribute_length
localContentsOffset += 2;
if (localContentsOffset + 2 >= this.contents.length) {
resizeContents(2);
}
// first we handle the linenumber attribute
if ((this.produceAttributes & ClassFileConstants.ATTR_LINES) != 0) {
/* Create and add the line number attribute (used for debugging)
* Build the pairs of:
* (bytecodePC lineNumber)
* according to the table of start line indexes and the pcToSourceMap table
* contained into the codestream
*/
int[] pcToSourceMapTable;
if (((pcToSourceMapTable = codeStream.pcToSourceMap) != null)
&& (codeStream.pcToSourceMapSize != 0)) {
int lineNumberNameIndex =
constantPool.literalIndex(AttributeNamesConstants.LineNumberTableName);
if (localContentsOffset + 8 >= this.contents.length) {
resizeContents(8);
}
this.contents[localContentsOffset++] = (byte) (lineNumberNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) lineNumberNameIndex;
int lineNumberTableOffset = localContentsOffset;
localContentsOffset += 6;
// leave space for attribute_length and line_number_table_length
int numberOfEntries = 0;
int length = codeStream.pcToSourceMapSize;
for (int i = 0; i < length;) {
// write the entry
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
int pc = pcToSourceMapTable[i++];
this.contents[localContentsOffset++] = (byte) (pc >> 8);
this.contents[localContentsOffset++] = (byte) pc;
int lineNumber = pcToSourceMapTable[i++];
this.contents[localContentsOffset++] = (byte) (lineNumber >> 8);
this.contents[localContentsOffset++] = (byte) lineNumber;
numberOfEntries++;
}
// now we change the size of the line number attribute
int lineNumberAttr_length = numberOfEntries * 4 + 2;
this.contents[lineNumberTableOffset++] = (byte) (lineNumberAttr_length >> 24);
this.contents[lineNumberTableOffset++] = (byte) (lineNumberAttr_length >> 16);
this.contents[lineNumberTableOffset++] = (byte) (lineNumberAttr_length >> 8);
this.contents[lineNumberTableOffset++] = (byte) lineNumberAttr_length;
this.contents[lineNumberTableOffset++] = (byte) (numberOfEntries >> 8);
this.contents[lineNumberTableOffset++] = (byte) numberOfEntries;
attributeNumber++;
}
}
// then we do the local variable attribute
if ((this.produceAttributes & ClassFileConstants.ATTR_VARS) != 0) {
int numberOfEntries = 0;
// codeAttribute.addLocalVariableTableAttribute(this);
if ((codeStream.pcToSourceMap != null)
&& (codeStream.pcToSourceMapSize != 0)) {
int localVariableNameIndex =
constantPool.literalIndex(AttributeNamesConstants.LocalVariableTableName);
if (localContentsOffset + 8 >= this.contents.length) {
resizeContents(8);
}
this.contents[localContentsOffset++] = (byte) (localVariableNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) localVariableNameIndex;
int localVariableTableOffset = localContentsOffset;
localContentsOffset += 6;
// leave space for attribute_length and local_variable_table_length
int nameIndex;
int descriptorIndex;
// used to remember the local variable with a generic type
int genericLocalVariablesCounter = 0;
LocalVariableBinding[] genericLocalVariables = null;
int numberOfGenericEntries = 0;
for (int i = 0, max = codeStream.allLocalsCounter; i < max; i++) {
LocalVariableBinding localVariable = codeStream.locals[i];
final TypeBinding localVariableTypeBinding = localVariable.type;
boolean isParameterizedType = localVariableTypeBinding.isParameterizedType() || localVariableTypeBinding.isTypeVariable();
if (localVariable.initializationCount != 0 && isParameterizedType) {
if (genericLocalVariables == null) {
// we cannot have more than max locals
genericLocalVariables = new LocalVariableBinding[max];
}
genericLocalVariables[genericLocalVariablesCounter++] = localVariable;
}
for (int j = 0; j < localVariable.initializationCount; j++) {
int startPC = localVariable.initializationPCs[j << 1];
int endPC = localVariable.initializationPCs[(j << 1) + 1];
if (startPC != endPC) { // only entries for non zero length
if (endPC == -1) {
localVariable.declaringScope.problemReporter().abortDueToInternalError(
Messages.bind(Messages.abort_invalidAttribute, new String(localVariable.name)),
(ASTNode) localVariable.declaringScope.methodScope().referenceContext);
}
if (localContentsOffset + 10 >= this.contents.length) {
resizeContents(10);
}
// now we can safely add the local entry
numberOfEntries++;
if (isParameterizedType) {
numberOfGenericEntries++;
}
this.contents[localContentsOffset++] = (byte) (startPC >> 8);
this.contents[localContentsOffset++] = (byte) startPC;
int length = endPC - startPC;
this.contents[localContentsOffset++] = (byte) (length >> 8);
this.contents[localContentsOffset++] = (byte) length;
nameIndex = constantPool.literalIndex(localVariable.name);
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
descriptorIndex = constantPool.literalIndex(localVariableTypeBinding.signature());
this.contents[localContentsOffset++] = (byte) (descriptorIndex >> 8);
this.contents[localContentsOffset++] = (byte) descriptorIndex;
int resolvedPosition = localVariable.resolvedPosition;
this.contents[localContentsOffset++] = (byte) (resolvedPosition >> 8);
this.contents[localContentsOffset++] = (byte) resolvedPosition;
}
}
}
int value = numberOfEntries * 10 + 2;
this.contents[localVariableTableOffset++] = (byte) (value >> 24);
this.contents[localVariableTableOffset++] = (byte) (value >> 16);
this.contents[localVariableTableOffset++] = (byte) (value >> 8);
this.contents[localVariableTableOffset++] = (byte) value;
this.contents[localVariableTableOffset++] = (byte) (numberOfEntries >> 8);
this.contents[localVariableTableOffset] = (byte) numberOfEntries;
attributeNumber++;
if (genericLocalVariablesCounter != 0) {
// add the local variable type table attribute
// reserve enough space
int maxOfEntries = 8 + numberOfGenericEntries * 10;
if (localContentsOffset + maxOfEntries >= this.contents.length) {
resizeContents(maxOfEntries);
}
int localVariableTypeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.LocalVariableTypeTableName);
this.contents[localContentsOffset++] = (byte) (localVariableTypeNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) localVariableTypeNameIndex;
value = numberOfGenericEntries * 10 + 2;
this.contents[localContentsOffset++] = (byte) (value >> 24);
this.contents[localContentsOffset++] = (byte) (value >> 16);
this.contents[localContentsOffset++] = (byte) (value >> 8);
this.contents[localContentsOffset++] = (byte) value;
this.contents[localContentsOffset++] = (byte) (numberOfGenericEntries >> 8);
this.contents[localContentsOffset++] = (byte) numberOfGenericEntries;
for (int i = 0; i < genericLocalVariablesCounter; i++) {
LocalVariableBinding localVariable = genericLocalVariables[i];
for (int j = 0; j < localVariable.initializationCount; j++) {
int startPC = localVariable.initializationPCs[j << 1];
int endPC = localVariable.initializationPCs[(j << 1) + 1];
if (startPC != endPC) { // only entries for non zero length
// now we can safely add the local entry
this.contents[localContentsOffset++] = (byte) (startPC >> 8);
this.contents[localContentsOffset++] = (byte) startPC;
int length = endPC - startPC;
this.contents[localContentsOffset++] = (byte) (length >> 8);
this.contents[localContentsOffset++] = (byte) length;
nameIndex = constantPool.literalIndex(localVariable.name);
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
descriptorIndex = constantPool.literalIndex(localVariable.type.genericTypeSignature());
this.contents[localContentsOffset++] = (byte) (descriptorIndex >> 8);
this.contents[localContentsOffset++] = (byte) descriptorIndex;
int resolvedPosition = localVariable.resolvedPosition;
this.contents[localContentsOffset++] = (byte) (resolvedPosition >> 8);
this.contents[localContentsOffset++] = (byte) resolvedPosition;
}
}
}
attributeNumber++;
}
}
}
if ((this.produceAttributes & ClassFileConstants.ATTR_STACK_MAP) != 0) {
final Set framesPositions = ((StackMapFrameCodeStream) codeStream).framePositions;
final int framesPositionsSize = framesPositions.size();
int numberOfFrames = framesPositionsSize - 1; // -1 because last return doesn't count
if (numberOfFrames > 0) {
ArrayList framePositions = new ArrayList(framesPositionsSize);
framePositions.addAll(framesPositions);
Collections.sort(framePositions);
// add the stack map table attribute
if (localContentsOffset + 8 >= this.contents.length) {
resizeContents(8);
}
int stackMapTableAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.StackMapTableName);
this.contents[localContentsOffset++] = (byte) (stackMapTableAttributeNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) stackMapTableAttributeNameIndex;
int stackMapTableAttributeLengthOffset = localContentsOffset;
// generate the attribute
localContentsOffset += 4;
numberOfFrames = 0;
int numberOfFramesOffset = localContentsOffset;
localContentsOffset += 2;
// generate all frames
ArrayList frames = ((StackMapFrameCodeStream) codeStream).frames;
StackMapFrame currentFrame = (StackMapFrame) frames.get(0);
StackMapFrame prevFrame = null;
int framesSize = frames.size();
int frameIndex = 0;
for (int j = 0; j < framesPositionsSize && ((Integer) framePositions.get(j)).intValue() < code_length; j++) {
// select next frame
prevFrame = currentFrame;
currentFrame = null;
for (; frameIndex < framesSize; frameIndex++) {
currentFrame = (StackMapFrame) frames.get(frameIndex);
if (currentFrame.pc == ((Integer) framePositions.get(j)).intValue()) {
break;
}
}
if (currentFrame == null) break;
numberOfFrames++;
int offsetDelta = currentFrame.getOffsetDelta(prevFrame);
switch (currentFrame.getFrameType(prevFrame)) {
case StackMapFrame.APPEND_FRAME :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
int numberOfDifferentLocals = currentFrame.numberOfDifferentLocals(prevFrame);
this.contents[localContentsOffset++] = (byte) (251 + numberOfDifferentLocals);
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
int index = currentFrame.getIndexOfDifferentLocals(numberOfDifferentLocals);
int numberOfLocals = currentFrame.getNumberOfLocals();
for (int i = index; i < currentFrame.locals.length && numberOfDifferentLocals > 0; i++) {
if (localContentsOffset + 6 >= this.contents.length) {
resizeContents(6);
}
VerificationTypeInfo info = currentFrame.locals[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
i++;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
i++;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
numberOfDifferentLocals--;
}
}
break;
case StackMapFrame.SAME_FRAME :
if (localContentsOffset + 1 >= this.contents.length) {
resizeContents(1);
}
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.SAME_FRAME_EXTENDED :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
this.contents[localContentsOffset++] = (byte) 251;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.CHOP_FRAME :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
numberOfDifferentLocals = -currentFrame.numberOfDifferentLocals(prevFrame);
this.contents[localContentsOffset++] = (byte) (251 - numberOfDifferentLocals);
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.SAME_LOCALS_1_STACK_ITEMS :
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
this.contents[localContentsOffset++] = (byte) (offsetDelta + 64);
if (currentFrame.stackItems[0] == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(currentFrame.stackItems[0].id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
VerificationTypeInfo info = currentFrame.stackItems[0];
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
break;
case StackMapFrame.SAME_LOCALS_1_STACK_ITEMS_EXTENDED :
if (localContentsOffset + 6 >= this.contents.length) {
resizeContents(6);
}
this.contents[localContentsOffset++] = (byte) 247;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
if (currentFrame.stackItems[0] == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(currentFrame.stackItems[0].id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
VerificationTypeInfo info = currentFrame.stackItems[0];
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
break;
default :
// FULL_FRAME
if (localContentsOffset + 5 >= this.contents.length) {
resizeContents(5);
}
this.contents[localContentsOffset++] = (byte) 255;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
int numberOfLocalOffset = localContentsOffset;
localContentsOffset += 2; // leave two spots for number of locals
int numberOfLocalEntries = 0;
numberOfLocals = currentFrame.getNumberOfLocals();
int numberOfEntries = 0;
int localsLength = currentFrame.locals == null ? 0 : currentFrame.locals.length;
for (int i = 0; i < localsLength && numberOfLocalEntries < numberOfLocals; i++) {
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
VerificationTypeInfo info = currentFrame.locals[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
i++;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
i++;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
numberOfLocalEntries++;
}
numberOfEntries++;
}
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
this.contents[numberOfLocalOffset++] = (byte) (numberOfEntries >> 8);
this.contents[numberOfLocalOffset] = (byte) numberOfEntries;
int numberOfStackItems = currentFrame.numberOfStackItems;
this.contents[localContentsOffset++] = (byte) (numberOfStackItems >> 8);
this.contents[localContentsOffset++] = (byte) numberOfStackItems;
for (int i = 0; i < numberOfStackItems; i++) {
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
VerificationTypeInfo info = currentFrame.stackItems[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
}
}
}
this.contents[numberOfFramesOffset++] = (byte) (numberOfFrames >> 8);
this.contents[numberOfFramesOffset] = (byte) numberOfFrames;
int attributeLength = localContentsOffset - stackMapTableAttributeLengthOffset - 4;
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 24);
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 16);
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 8);
this.contents[stackMapTableAttributeLengthOffset] = (byte) attributeLength;
attributeNumber++;
}
}
// update the number of attributes
// ensure first that there is enough space available inside the contents array
if (codeAttributeAttributeOffset + 2 >= this.contents.length) {
resizeContents(2);
}
this.contents[codeAttributeAttributeOffset++] = (byte) (attributeNumber >> 8);
this.contents[codeAttributeAttributeOffset] = (byte) attributeNumber;
// update the attribute length
int codeAttributeLength = localContentsOffset - (codeAttributeOffset + 6);
this.contents[codeAttributeOffset + 2] = (byte) (codeAttributeLength >> 24);
this.contents[codeAttributeOffset + 3] = (byte) (codeAttributeLength >> 16);
this.contents[codeAttributeOffset + 4] = (byte) (codeAttributeLength >> 8);
this.contents[codeAttributeOffset + 5] = (byte) codeAttributeLength;
contentsOffset = localContentsOffset;
}
/**
* INTERNAL USE-ONLY
* That method completes the creation of the code attribute by setting
* - the attribute_length
* - max_stack
* - max_locals
* - code_length
* - exception table
* - and debug attributes if necessary.
*/
public void completeCodeAttributeForClinit(
int codeAttributeOffset,
int problemLine) {
// reinitialize the contents with the byte modified by the code stream
this.contents = codeStream.bCodeStream;
int localContentsOffset = codeStream.classFileOffset;
// codeAttributeOffset is the position inside contents byte array before we started to write
// any information about the codeAttribute
// That means that to write the attribute_length you need to offset by 2 the value of codeAttributeOffset
// to get the right position, 6 for the max_stack etc...
int code_length = codeStream.position;
if (code_length > 65535) {
codeStream.methodDeclaration.scope.problemReporter().bytecodeExceeds64KLimit(
codeStream.methodDeclaration.scope.referenceType());
}
if (localContentsOffset + 20 >= this.contents.length) {
resizeContents(20);
}
int max_stack = codeStream.stackMax;
this.contents[codeAttributeOffset + 6] = (byte) (max_stack >> 8);
this.contents[codeAttributeOffset + 7] = (byte) max_stack;
int max_locals = codeStream.maxLocals;
this.contents[codeAttributeOffset + 8] = (byte) (max_locals >> 8);
this.contents[codeAttributeOffset + 9] = (byte) max_locals;
this.contents[codeAttributeOffset + 10] = (byte) (code_length >> 24);
this.contents[codeAttributeOffset + 11] = (byte) (code_length >> 16);
this.contents[codeAttributeOffset + 12] = (byte) (code_length >> 8);
this.contents[codeAttributeOffset + 13] = (byte) code_length;
// write the exception table
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
// debug attributes
int codeAttributeAttributeOffset = localContentsOffset;
int attributeNumber = 0; // leave two bytes for the attribute_length
localContentsOffset += 2; // first we handle the linenumber attribute
if (localContentsOffset + 2 >= this.contents.length) {
resizeContents(2);
}
// first we handle the linenumber attribute
if ((this.produceAttributes & ClassFileConstants.ATTR_LINES) != 0) {
if (localContentsOffset + 20 >= this.contents.length) {
resizeContents(20);
}
/* Create and add the line number attribute (used for debugging)
* Build the pairs of:
* (bytecodePC lineNumber)
* according to the table of start line indexes and the pcToSourceMap table
* contained into the codestream
*/
int lineNumberNameIndex =
constantPool.literalIndex(AttributeNamesConstants.LineNumberTableName);
this.contents[localContentsOffset++] = (byte) (lineNumberNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) lineNumberNameIndex;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 6;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 1;
// first entry at pc = 0
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = (byte) (problemLine >> 8);
this.contents[localContentsOffset++] = (byte) problemLine;
// now we change the size of the line number attribute
attributeNumber++;
}
// then we do the local variable attribute
if ((this.produceAttributes & ClassFileConstants.ATTR_VARS) != 0) {
int localVariableNameIndex =
constantPool.literalIndex(AttributeNamesConstants.LocalVariableTableName);
if (localContentsOffset + 8 >= this.contents.length) {
resizeContents(8);
}
this.contents[localContentsOffset++] = (byte) (localVariableNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) localVariableNameIndex;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 2;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
attributeNumber++;
}
if ((this.produceAttributes & ClassFileConstants.ATTR_STACK_MAP) != 0) {
final Set framesPositions = ((StackMapFrameCodeStream) codeStream).framePositions;
final int framesPositionsSize = framesPositions.size();
int numberOfFrames = framesPositionsSize - 1; // -1 because last return doesn't count
if (numberOfFrames > 0) {
ArrayList framePositions = new ArrayList(framesPositionsSize);
framePositions.addAll(framesPositions);
Collections.sort(framePositions);
// add the stack map table attribute
if (localContentsOffset + 8 >= this.contents.length) {
resizeContents(8);
}
int stackMapTableAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.StackMapTableName);
this.contents[localContentsOffset++] = (byte) (stackMapTableAttributeNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) stackMapTableAttributeNameIndex;
int stackMapTableAttributeLengthOffset = localContentsOffset;
// generate the attribute
localContentsOffset += 4;
numberOfFrames = 0;
int numberOfFramesOffset = localContentsOffset;
localContentsOffset += 2;
// generate all frames
ArrayList frames = ((StackMapFrameCodeStream) codeStream).frames;
StackMapFrame currentFrame = (StackMapFrame) frames.get(0);
StackMapFrame prevFrame = null;
int framesSize = frames.size();
int frameIndex = 0;
for (int j = 0; j < framesPositionsSize && ((Integer) framePositions.get(j)).intValue() < code_length; j++) {
// select next frame
prevFrame = currentFrame;
currentFrame = null;
for (; frameIndex < framesSize; frameIndex++) {
currentFrame = (StackMapFrame) frames.get(frameIndex);
if (currentFrame.pc == ((Integer) framePositions.get(j)).intValue()) {
break;
}
}
if (currentFrame == null) break;
// generate current frame
// need to find differences between the current frame and the previous frame
numberOfFrames++;
int offsetDelta = currentFrame.getOffsetDelta(prevFrame);
switch (currentFrame.getFrameType(prevFrame)) {
case StackMapFrame.APPEND_FRAME :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
int numberOfDifferentLocals = currentFrame.numberOfDifferentLocals(prevFrame);
this.contents[localContentsOffset++] = (byte) (251 + numberOfDifferentLocals);
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
int index = currentFrame.getIndexOfDifferentLocals(numberOfDifferentLocals);
int numberOfLocals = currentFrame.getNumberOfLocals();
for (int i = index; i < currentFrame.locals.length && numberOfDifferentLocals > 0; i++) {
if (localContentsOffset + 6 >= this.contents.length) {
resizeContents(6);
}
VerificationTypeInfo info = currentFrame.locals[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
i++;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
i++;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
numberOfDifferentLocals--;
}
}
break;
case StackMapFrame.SAME_FRAME :
if (localContentsOffset + 1 >= this.contents.length) {
resizeContents(1);
}
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.SAME_FRAME_EXTENDED :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
this.contents[localContentsOffset++] = (byte) 251;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.CHOP_FRAME :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
numberOfDifferentLocals = -currentFrame.numberOfDifferentLocals(prevFrame);
this.contents[localContentsOffset++] = (byte) (251 - numberOfDifferentLocals);
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.SAME_LOCALS_1_STACK_ITEMS :
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
this.contents[localContentsOffset++] = (byte) (offsetDelta + 64);
if (currentFrame.stackItems[0] == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(currentFrame.stackItems[0].id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
VerificationTypeInfo info = currentFrame.stackItems[0];
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
break;
case StackMapFrame.SAME_LOCALS_1_STACK_ITEMS_EXTENDED :
if (localContentsOffset + 6 >= this.contents.length) {
resizeContents(6);
}
this.contents[localContentsOffset++] = (byte) 247;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
if (currentFrame.stackItems[0] == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(currentFrame.stackItems[0].id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
VerificationTypeInfo info = currentFrame.stackItems[0];
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
break;
default :
// FULL_FRAME
if (localContentsOffset + 5 >= this.contents.length) {
resizeContents(5);
}
this.contents[localContentsOffset++] = (byte) 255;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
int numberOfLocalOffset = localContentsOffset;
localContentsOffset += 2; // leave two spots for number of locals
int numberOfLocalEntries = 0;
numberOfLocals = currentFrame.getNumberOfLocals();
int numberOfEntries = 0;
int localsLength = currentFrame.locals == null ? 0 : currentFrame.locals.length;
for (int i = 0; i < localsLength && numberOfLocalEntries < numberOfLocals; i++) {
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
VerificationTypeInfo info = currentFrame.locals[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
i++;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
i++;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
numberOfLocalEntries++;
}
numberOfEntries++;
}
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
this.contents[numberOfLocalOffset++] = (byte) (numberOfEntries >> 8);
this.contents[numberOfLocalOffset] = (byte) numberOfEntries;
int numberOfStackItems = currentFrame.numberOfStackItems;
this.contents[localContentsOffset++] = (byte) (numberOfStackItems >> 8);
this.contents[localContentsOffset++] = (byte) numberOfStackItems;
for (int i = 0; i < numberOfStackItems; i++) {
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
VerificationTypeInfo info = currentFrame.stackItems[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
}
}
}
this.contents[numberOfFramesOffset++] = (byte) (numberOfFrames >> 8);
this.contents[numberOfFramesOffset] = (byte) numberOfFrames;
int attributeLength = localContentsOffset - stackMapTableAttributeLengthOffset - 4;
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 24);
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 16);
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 8);
this.contents[stackMapTableAttributeLengthOffset] = (byte) attributeLength;
attributeNumber++;
}
}
// update the number of attributes
// ensure first that there is enough space available inside the contents array
if (codeAttributeAttributeOffset + 2 >= this.contents.length) {
resizeContents(2);
}
this.contents[codeAttributeAttributeOffset++] = (byte) (attributeNumber >> 8);
this.contents[codeAttributeAttributeOffset] = (byte) attributeNumber;
// update the attribute length
int codeAttributeLength = localContentsOffset - (codeAttributeOffset + 6);
this.contents[codeAttributeOffset + 2] = (byte) (codeAttributeLength >> 24);
this.contents[codeAttributeOffset + 3] = (byte) (codeAttributeLength >> 16);
this.contents[codeAttributeOffset + 4] = (byte) (codeAttributeLength >> 8);
this.contents[codeAttributeOffset + 5] = (byte) codeAttributeLength;
contentsOffset = localContentsOffset;
}
/**
*
*/
public void completeCodeAttributeForMissingAbstractProblemMethod(
MethodBinding binding,
int codeAttributeOffset,
int[] startLineIndexes,
int problemLine) {
// reinitialize the localContents with the byte modified by the code stream
this.contents = codeStream.bCodeStream;
int localContentsOffset = codeStream.classFileOffset;
// codeAttributeOffset is the position inside localContents byte array before we started to write// any information about the codeAttribute// That means that to write the attribute_length you need to offset by 2 the value of codeAttributeOffset// to get the right position, 6 for the max_stack etc...
int max_stack = codeStream.stackMax;
this.contents[codeAttributeOffset + 6] = (byte) (max_stack >> 8);
this.contents[codeAttributeOffset + 7] = (byte) max_stack;
int max_locals = codeStream.maxLocals;
this.contents[codeAttributeOffset + 8] = (byte) (max_locals >> 8);
this.contents[codeAttributeOffset + 9] = (byte) max_locals;
int code_length = codeStream.position;
this.contents[codeAttributeOffset + 10] = (byte) (code_length >> 24);
this.contents[codeAttributeOffset + 11] = (byte) (code_length >> 16);
this.contents[codeAttributeOffset + 12] = (byte) (code_length >> 8);
this.contents[codeAttributeOffset + 13] = (byte) code_length;
// write the exception table
if (localContentsOffset + 50 >= this.contents.length) {
resizeContents(50);
}
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
// debug attributes
int codeAttributeAttributeOffset = localContentsOffset;
int attributeNumber = 0; // leave two bytes for the attribute_length
localContentsOffset += 2; // first we handle the linenumber attribute
if (localContentsOffset + 2 >= this.contents.length) {
resizeContents(2);
}
if ((this.produceAttributes & ClassFileConstants.ATTR_LINES) != 0) {
if (localContentsOffset + 12 >= this.contents.length) {
resizeContents(12);
}
/* Create and add the line number attribute (used for debugging)
* Build the pairs of:
* (bytecodePC lineNumber)
* according to the table of start line indexes and the pcToSourceMap table
* contained into the codestream
*/
int lineNumberNameIndex =
constantPool.literalIndex(AttributeNamesConstants.LineNumberTableName);
this.contents[localContentsOffset++] = (byte) (lineNumberNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) lineNumberNameIndex;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 6;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 1;
if (problemLine == 0) {
problemLine = Util.getLineNumber(binding.sourceStart(), startLineIndexes, 0, startLineIndexes.length-1);
}
// first entry at pc = 0
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = (byte) (problemLine >> 8);
this.contents[localContentsOffset++] = (byte) problemLine;
// now we change the size of the line number attribute
attributeNumber++;
}
if ((this.produceAttributes & ClassFileConstants.ATTR_STACK_MAP) != 0) {
final Set framesPositions = ((StackMapFrameCodeStream) codeStream).framePositions;
final int framesPositionsSize = framesPositions.size();
int numberOfFrames = framesPositionsSize - 1; // -1 because last return doesn't count
if (numberOfFrames > 0) {
ArrayList framePositions = new ArrayList(framesPositionsSize);
framePositions.addAll(framesPositions);
Collections.sort(framePositions);
// add the stack map table attribute
if (localContentsOffset + 8 >= this.contents.length) {
resizeContents(8);
}
int stackMapTableAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.StackMapTableName);
this.contents[localContentsOffset++] = (byte) (stackMapTableAttributeNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) stackMapTableAttributeNameIndex;
int stackMapTableAttributeLengthOffset = localContentsOffset;
// generate the attribute
localContentsOffset += 4;
numberOfFrames = 0;
int numberOfFramesOffset = localContentsOffset;
localContentsOffset += 2;
// generate all frames
ArrayList frames = ((StackMapFrameCodeStream) codeStream).frames;
StackMapFrame currentFrame = (StackMapFrame) frames.get(0);
StackMapFrame prevFrame = null;
int framesSize = frames.size();
int frameIndex = 0;
for (int j = 0; j < framesPositionsSize && ((Integer) framePositions.get(j)).intValue() < code_length; j++) {
// select next frame
prevFrame = currentFrame;
currentFrame = null;
for (; frameIndex < framesSize; frameIndex++) {
currentFrame = (StackMapFrame) frames.get(frameIndex);
if (currentFrame.pc == ((Integer) framePositions.get(j)).intValue()) {
break;
}
}
if (currentFrame == null) break;
numberOfFrames++;
int offsetDelta = currentFrame.getOffsetDelta(prevFrame);
switch (currentFrame.getFrameType(prevFrame)) {
case StackMapFrame.APPEND_FRAME :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
int numberOfDifferentLocals = currentFrame.numberOfDifferentLocals(prevFrame);
this.contents[localContentsOffset++] = (byte) (251 + numberOfDifferentLocals);
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
int index = currentFrame.getIndexOfDifferentLocals(numberOfDifferentLocals);
int numberOfLocals = currentFrame.getNumberOfLocals();
for (int i = index; i < currentFrame.locals.length && numberOfDifferentLocals > 0; i++) {
if (localContentsOffset + 6 >= this.contents.length) {
resizeContents(6);
}
VerificationTypeInfo info = currentFrame.locals[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
i++;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
i++;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
numberOfDifferentLocals--;
}
}
break;
case StackMapFrame.SAME_FRAME :
if (localContentsOffset + 1 >= this.contents.length) {
resizeContents(1);
}
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.SAME_FRAME_EXTENDED :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
this.contents[localContentsOffset++] = (byte) 251;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.CHOP_FRAME :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
numberOfDifferentLocals = -currentFrame.numberOfDifferentLocals(prevFrame);
this.contents[localContentsOffset++] = (byte) (251 - numberOfDifferentLocals);
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.SAME_LOCALS_1_STACK_ITEMS :
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
this.contents[localContentsOffset++] = (byte) (offsetDelta + 64);
if (currentFrame.stackItems[0] == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(currentFrame.stackItems[0].id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
VerificationTypeInfo info = currentFrame.stackItems[0];
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
break;
case StackMapFrame.SAME_LOCALS_1_STACK_ITEMS_EXTENDED :
if (localContentsOffset + 6 >= this.contents.length) {
resizeContents(6);
}
this.contents[localContentsOffset++] = (byte) 247;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
if (currentFrame.stackItems[0] == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(currentFrame.stackItems[0].id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
VerificationTypeInfo info = currentFrame.stackItems[0];
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
break;
default :
// FULL_FRAME
if (localContentsOffset + 5 >= this.contents.length) {
resizeContents(5);
}
this.contents[localContentsOffset++] = (byte) 255;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
int numberOfLocalOffset = localContentsOffset;
localContentsOffset += 2; // leave two spots for number of locals
int numberOfLocalEntries = 0;
numberOfLocals = currentFrame.getNumberOfLocals();
int numberOfEntries = 0;
int localsLength = currentFrame.locals == null ? 0 : currentFrame.locals.length;
for (int i = 0; i < localsLength && numberOfLocalEntries < numberOfLocals; i++) {
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
VerificationTypeInfo info = currentFrame.locals[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
i++;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
i++;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
numberOfLocalEntries++;
}
numberOfEntries++;
}
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
this.contents[numberOfLocalOffset++] = (byte) (numberOfEntries >> 8);
this.contents[numberOfLocalOffset] = (byte) numberOfEntries;
int numberOfStackItems = currentFrame.numberOfStackItems;
this.contents[localContentsOffset++] = (byte) (numberOfStackItems >> 8);
this.contents[localContentsOffset++] = (byte) numberOfStackItems;
for (int i = 0; i < numberOfStackItems; i++) {
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
VerificationTypeInfo info = currentFrame.stackItems[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
}
}
}
this.contents[numberOfFramesOffset++] = (byte) (numberOfFrames >> 8);
this.contents[numberOfFramesOffset] = (byte) numberOfFrames;
int attributeLength = localContentsOffset - stackMapTableAttributeLengthOffset - 4;
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 24);
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 16);
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 8);
this.contents[stackMapTableAttributeLengthOffset] = (byte) attributeLength;
attributeNumber++;
}
}
// then we do the local variable attribute
// update the number of attributes// ensure first that there is enough space available inside the localContents array
if (codeAttributeAttributeOffset + 2 >= this.contents.length) {
resizeContents(2);
}
this.contents[codeAttributeAttributeOffset++] = (byte) (attributeNumber >> 8);
this.contents[codeAttributeAttributeOffset] = (byte) attributeNumber;
// update the attribute length
int codeAttributeLength = localContentsOffset - (codeAttributeOffset + 6);
this.contents[codeAttributeOffset + 2] = (byte) (codeAttributeLength >> 24);
this.contents[codeAttributeOffset + 3] = (byte) (codeAttributeLength >> 16);
this.contents[codeAttributeOffset + 4] = (byte) (codeAttributeLength >> 8);
this.contents[codeAttributeOffset + 5] = (byte) codeAttributeLength;
contentsOffset = localContentsOffset;
}
/**
* INTERNAL USE-ONLY
* That method completes the creation of the code attribute by setting
* - the attribute_length
* - max_stack
* - max_locals
* - code_length
* - exception table
* - and debug attributes if necessary.
*
* @param codeAttributeOffset <CODE>int</CODE>
*/
public void completeCodeAttributeForProblemMethod(
AbstractMethodDeclaration method,
MethodBinding binding,
int codeAttributeOffset,
int[] startLineIndexes,
int problemLine) {
// reinitialize the localContents with the byte modified by the code stream
this.contents = codeStream.bCodeStream;
int localContentsOffset = codeStream.classFileOffset;
// codeAttributeOffset is the position inside localContents byte array before we started to write// any information about the codeAttribute// That means that to write the attribute_length you need to offset by 2 the value of codeAttributeOffset// to get the right position, 6 for the max_stack etc...
int max_stack = codeStream.stackMax;
this.contents[codeAttributeOffset + 6] = (byte) (max_stack >> 8);
this.contents[codeAttributeOffset + 7] = (byte) max_stack;
int max_locals = codeStream.maxLocals;
this.contents[codeAttributeOffset + 8] = (byte) (max_locals >> 8);
this.contents[codeAttributeOffset + 9] = (byte) max_locals;
int code_length = codeStream.position;
this.contents[codeAttributeOffset + 10] = (byte) (code_length >> 24);
this.contents[codeAttributeOffset + 11] = (byte) (code_length >> 16);
this.contents[codeAttributeOffset + 12] = (byte) (code_length >> 8);
this.contents[codeAttributeOffset + 13] = (byte) code_length;
// write the exception table
if (localContentsOffset + 50 >= this.contents.length) {
resizeContents(50);
}
// write the exception table
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
// debug attributes
int codeAttributeAttributeOffset = localContentsOffset;
int attributeNumber = 0; // leave two bytes for the attribute_length
localContentsOffset += 2; // first we handle the linenumber attribute
if (localContentsOffset + 2 >= this.contents.length) {
resizeContents(2);
}
if ((this.produceAttributes & ClassFileConstants.ATTR_LINES) != 0) {
if (localContentsOffset + 20 >= this.contents.length) {
resizeContents(20);
}
/* Create and add the line number attribute (used for debugging)
* Build the pairs of:
* (bytecodePC lineNumber)
* according to the table of start line indexes and the pcToSourceMap table
* contained into the codestream
*/
int lineNumberNameIndex =
constantPool.literalIndex(AttributeNamesConstants.LineNumberTableName);
this.contents[localContentsOffset++] = (byte) (lineNumberNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) lineNumberNameIndex;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 6;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 1;
if (problemLine == 0) {
problemLine = Util.getLineNumber(binding.sourceStart(), startLineIndexes, 0, startLineIndexes.length-1);
}
// first entry at pc = 0
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = (byte) (problemLine >> 8);
this.contents[localContentsOffset++] = (byte) problemLine;
// now we change the size of the line number attribute
attributeNumber++;
}
// then we do the local variable attribute
if ((this.produceAttributes & ClassFileConstants.ATTR_VARS) != 0) {
// compute the resolved position for the arguments of the method
int argSize;
int numberOfEntries = 0;
// codeAttribute.addLocalVariableTableAttribute(this);
int localVariableNameIndex =
constantPool.literalIndex(AttributeNamesConstants.LocalVariableTableName);
if (localContentsOffset + 8 >= this.contents.length) {
resizeContents(8);
}
this.contents[localContentsOffset++] = (byte) (localVariableNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) localVariableNameIndex;
int localVariableTableOffset = localContentsOffset;
localContentsOffset += 6;
// leave space for attribute_length and local_variable_table_length
int descriptorIndex;
int nameIndex;
SourceTypeBinding declaringClassBinding = null;
final boolean methodDeclarationIsStatic = codeStream.methodDeclaration.isStatic();
if (!methodDeclarationIsStatic) {
numberOfEntries++;
if (localContentsOffset + 10 >= this.contents.length) {
resizeContents(10);
}
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = (byte) (code_length >> 8);
this.contents[localContentsOffset++] = (byte) code_length;
nameIndex = constantPool.literalIndex(ConstantPool.This);
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
declaringClassBinding = (SourceTypeBinding) codeStream.methodDeclaration.binding.declaringClass;
descriptorIndex =
constantPool.literalIndex(declaringClassBinding.signature());
this.contents[localContentsOffset++] = (byte) (descriptorIndex >> 8);
this.contents[localContentsOffset++] = (byte) descriptorIndex;
// the resolved position for this is always 0
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
}
// used to remember the local variable with a generic type
int genericLocalVariablesCounter = 0;
LocalVariableBinding[] genericLocalVariables = null;
int numberOfGenericEntries = 0;
if (binding.isConstructor()) {
ReferenceBinding declaringClass = binding.declaringClass;
if (declaringClass.isNestedType()) {
NestedTypeBinding methodDeclaringClass = (NestedTypeBinding) declaringClass;
argSize = methodDeclaringClass.enclosingInstancesSlotSize;
SyntheticArgumentBinding[] syntheticArguments;
if ((syntheticArguments = methodDeclaringClass.syntheticEnclosingInstances()) != null) {
for (int i = 0, max = syntheticArguments.length; i < max; i++) {
LocalVariableBinding localVariable = syntheticArguments[i];
final TypeBinding localVariableTypeBinding = localVariable.type;
if (localVariableTypeBinding.isParameterizedType() || localVariableTypeBinding.isTypeVariable()) {
if (genericLocalVariables == null) {
// we cannot have more than max locals
genericLocalVariables = new LocalVariableBinding[max];
}
genericLocalVariables[genericLocalVariablesCounter++] = localVariable;
numberOfGenericEntries++;
}
if (localContentsOffset + 10 >= this.contents.length) {
resizeContents(10);
}
// now we can safely add the local entry
numberOfEntries++;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = (byte) (code_length >> 8);
this.contents[localContentsOffset++] = (byte) code_length;
nameIndex = constantPool.literalIndex(localVariable.name);
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
descriptorIndex = constantPool.literalIndex(localVariableTypeBinding.signature());
this.contents[localContentsOffset++] = (byte) (descriptorIndex >> 8);
this.contents[localContentsOffset++] = (byte) descriptorIndex;
int resolvedPosition = localVariable.resolvedPosition;
this.contents[localContentsOffset++] = (byte) (resolvedPosition >> 8);
this.contents[localContentsOffset++] = (byte) resolvedPosition;
}
}
} else {
argSize = 1;
}
} else {
argSize = binding.isStatic() ? 0 : 1;
}
int genericArgumentsCounter = 0;
int[] genericArgumentsNameIndexes = null;
int[] genericArgumentsResolvedPositions = null;
TypeBinding[] genericArgumentsTypeBindings = null;
if (method.binding != null) {
TypeBinding[] parameters = method.binding.parameters;
Argument[] arguments = method.arguments;
if ((parameters != null) && (arguments != null)) {
for (int i = 0, max = parameters.length; i < max; i++) {
TypeBinding argumentBinding = parameters[i];
if (localContentsOffset + 10 >= this.contents.length) {
resizeContents(10);
}
// now we can safely add the local entry
numberOfEntries++;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = (byte) (code_length >> 8);
this.contents[localContentsOffset++] = (byte) code_length;
nameIndex = constantPool.literalIndex(arguments[i].name);
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
int resolvedPosition = argSize;
if (argumentBinding.isParameterizedType() || argumentBinding.isTypeVariable()) {
if (genericArgumentsCounter == 0) {
// we cannot have more than max locals
genericArgumentsNameIndexes = new int[max];
genericArgumentsResolvedPositions = new int[max];
genericArgumentsTypeBindings = new TypeBinding[max];
}
genericArgumentsNameIndexes[genericArgumentsCounter] = nameIndex;
genericArgumentsResolvedPositions[genericArgumentsCounter] = resolvedPosition;
genericArgumentsTypeBindings[genericArgumentsCounter++] = argumentBinding;
}
descriptorIndex = constantPool.literalIndex(argumentBinding.signature());
this.contents[localContentsOffset++] = (byte) (descriptorIndex >> 8);
this.contents[localContentsOffset++] = (byte) descriptorIndex;
if ((argumentBinding == TypeBinding.LONG)
|| (argumentBinding == TypeBinding.DOUBLE))
argSize += 2;
else
argSize++;
this.contents[localContentsOffset++] = (byte) (resolvedPosition >> 8);
this.contents[localContentsOffset++] = (byte) resolvedPosition;
}
}
}
int value = numberOfEntries * 10 + 2;
this.contents[localVariableTableOffset++] = (byte) (value >> 24);
this.contents[localVariableTableOffset++] = (byte) (value >> 16);
this.contents[localVariableTableOffset++] = (byte) (value >> 8);
this.contents[localVariableTableOffset++] = (byte) value;
this.contents[localVariableTableOffset++] = (byte) (numberOfEntries >> 8);
this.contents[localVariableTableOffset] = (byte) numberOfEntries;
attributeNumber++;
final boolean currentInstanceIsGeneric =
!methodDeclarationIsStatic
&& declaringClassBinding != null
&& declaringClassBinding.typeVariables != Binding.NO_TYPE_VARIABLES;
if (genericLocalVariablesCounter != 0 || genericArgumentsCounter != 0 || currentInstanceIsGeneric) {
// add the local variable type table attribute
numberOfEntries = numberOfGenericEntries + genericArgumentsCounter + (currentInstanceIsGeneric ? 1 : 0);
// reserve enough space
int maxOfEntries = 8 + numberOfEntries * 10;
if (localContentsOffset + maxOfEntries >= this.contents.length) {
resizeContents(maxOfEntries);
}
int localVariableTypeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.LocalVariableTypeTableName);
this.contents[localContentsOffset++] = (byte) (localVariableTypeNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) localVariableTypeNameIndex;
value = numberOfEntries * 10 + 2;
this.contents[localContentsOffset++] = (byte) (value >> 24);
this.contents[localContentsOffset++] = (byte) (value >> 16);
this.contents[localContentsOffset++] = (byte) (value >> 8);
this.contents[localContentsOffset++] = (byte) value;
this.contents[localContentsOffset++] = (byte) (numberOfEntries >> 8);
this.contents[localContentsOffset++] = (byte) numberOfEntries;
if (currentInstanceIsGeneric) {
numberOfEntries++;
this.contents[localContentsOffset++] = 0; // the startPC for this is always 0
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = (byte) (code_length >> 8);
this.contents[localContentsOffset++] = (byte) code_length;
nameIndex = constantPool.literalIndex(ConstantPool.This);
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
descriptorIndex = constantPool.literalIndex(declaringClassBinding.genericTypeSignature());
this.contents[localContentsOffset++] = (byte) (descriptorIndex >> 8);
this.contents[localContentsOffset++] = (byte) descriptorIndex;
this.contents[localContentsOffset++] = 0;// the resolved position for this is always 0
this.contents[localContentsOffset++] = 0;
}
for (int i = 0; i < genericLocalVariablesCounter; i++) {
LocalVariableBinding localVariable = genericLocalVariables[i];
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = (byte) (code_length >> 8);
this.contents[localContentsOffset++] = (byte) code_length;
nameIndex = constantPool.literalIndex(localVariable.name);
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
descriptorIndex = constantPool.literalIndex(localVariable.type.genericTypeSignature());
this.contents[localContentsOffset++] = (byte) (descriptorIndex >> 8);
this.contents[localContentsOffset++] = (byte) descriptorIndex;
int resolvedPosition = localVariable.resolvedPosition;
this.contents[localContentsOffset++] = (byte) (resolvedPosition >> 8);
this.contents[localContentsOffset++] = (byte) resolvedPosition;
}
for (int i = 0; i < genericArgumentsCounter; i++) {
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = (byte) (code_length >> 8);
this.contents[localContentsOffset++] = (byte) code_length;
nameIndex = genericArgumentsNameIndexes[i];
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
descriptorIndex = constantPool.literalIndex(genericArgumentsTypeBindings[i].genericTypeSignature());
this.contents[localContentsOffset++] = (byte) (descriptorIndex >> 8);
this.contents[localContentsOffset++] = (byte) descriptorIndex;
int resolvedPosition = genericArgumentsResolvedPositions[i];
this.contents[localContentsOffset++] = (byte) (resolvedPosition >> 8);
this.contents[localContentsOffset++] = (byte) resolvedPosition;
}
attributeNumber++;
}
}
if ((this.produceAttributes & ClassFileConstants.ATTR_STACK_MAP) != 0) {
final Set framesPositions = ((StackMapFrameCodeStream) codeStream).framePositions;
final int framesPositionsSize = framesPositions.size();
int numberOfFrames = framesPositionsSize - 1; // -1 because last return doesn't count
if (numberOfFrames > 0) {
ArrayList framePositions = new ArrayList(framesPositionsSize);
framePositions.addAll(framesPositions);
Collections.sort(framePositions);
// add the stack map table attribute
if (localContentsOffset + 8 >= this.contents.length) {
resizeContents(8);
}
int stackMapTableAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.StackMapTableName);
this.contents[localContentsOffset++] = (byte) (stackMapTableAttributeNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) stackMapTableAttributeNameIndex;
int stackMapTableAttributeLengthOffset = localContentsOffset;
// generate the attribute
localContentsOffset += 4;
numberOfFrames = 0;
int numberOfFramesOffset = localContentsOffset;
localContentsOffset += 2;
// generate all frames
ArrayList frames = ((StackMapFrameCodeStream) codeStream).frames;
StackMapFrame currentFrame = (StackMapFrame) frames.get(0);
StackMapFrame prevFrame = null;
int framesSize = frames.size();
int frameIndex = 0;
for (int j = 0; j < framesPositionsSize && ((Integer) framePositions.get(j)).intValue() < code_length; j++) {
// select next frame
prevFrame = currentFrame;
currentFrame = null;
for (; frameIndex < framesSize; frameIndex++) {
currentFrame = (StackMapFrame) frames.get(frameIndex);
if (currentFrame.pc == ((Integer) framePositions.get(j)).intValue()) {
break;
}
}
if (currentFrame == null) break;
numberOfFrames++;
int offsetDelta = currentFrame.getOffsetDelta(prevFrame);
switch (currentFrame.getFrameType(prevFrame)) {
case StackMapFrame.APPEND_FRAME :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
int numberOfDifferentLocals = currentFrame.numberOfDifferentLocals(prevFrame);
this.contents[localContentsOffset++] = (byte) (251 + numberOfDifferentLocals);
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
int index = currentFrame.getIndexOfDifferentLocals(numberOfDifferentLocals);
int numberOfLocals = currentFrame.getNumberOfLocals();
for (int i = index; i < currentFrame.locals.length && numberOfDifferentLocals > 0; i++) {
if (localContentsOffset + 6 >= this.contents.length) {
resizeContents(6);
}
VerificationTypeInfo info = currentFrame.locals[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
i++;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
i++;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
numberOfDifferentLocals--;
}
}
break;
case StackMapFrame.SAME_FRAME :
if (localContentsOffset + 1 >= this.contents.length) {
resizeContents(1);
}
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.SAME_FRAME_EXTENDED :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
this.contents[localContentsOffset++] = (byte) 251;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.CHOP_FRAME :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
numberOfDifferentLocals = -currentFrame.numberOfDifferentLocals(prevFrame);
this.contents[localContentsOffset++] = (byte) (251 - numberOfDifferentLocals);
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.SAME_LOCALS_1_STACK_ITEMS :
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
this.contents[localContentsOffset++] = (byte) (offsetDelta + 64);
if (currentFrame.stackItems[0] == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(currentFrame.stackItems[0].id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
VerificationTypeInfo info = currentFrame.stackItems[0];
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
break;
case StackMapFrame.SAME_LOCALS_1_STACK_ITEMS_EXTENDED :
if (localContentsOffset + 6 >= this.contents.length) {
resizeContents(6);
}
this.contents[localContentsOffset++] = (byte) 247;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
if (currentFrame.stackItems[0] == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(currentFrame.stackItems[0].id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
VerificationTypeInfo info = currentFrame.stackItems[0];
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
break;
default :
// FULL_FRAME
if (localContentsOffset + 5 >= this.contents.length) {
resizeContents(5);
}
this.contents[localContentsOffset++] = (byte) 255;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
int numberOfLocalOffset = localContentsOffset;
localContentsOffset += 2; // leave two spots for number of locals
int numberOfLocalEntries = 0;
numberOfLocals = currentFrame.getNumberOfLocals();
int numberOfEntries = 0;
int localsLength = currentFrame.locals == null ? 0 : currentFrame.locals.length;
for (int i = 0; i < localsLength && numberOfLocalEntries < numberOfLocals; i++) {
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
VerificationTypeInfo info = currentFrame.locals[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
i++;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
i++;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
numberOfLocalEntries++;
}
numberOfEntries++;
}
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
this.contents[numberOfLocalOffset++] = (byte) (numberOfEntries >> 8);
this.contents[numberOfLocalOffset] = (byte) numberOfEntries;
int numberOfStackItems = currentFrame.numberOfStackItems;
this.contents[localContentsOffset++] = (byte) (numberOfStackItems >> 8);
this.contents[localContentsOffset++] = (byte) numberOfStackItems;
for (int i = 0; i < numberOfStackItems; i++) {
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
VerificationTypeInfo info = currentFrame.stackItems[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
}
}
}
this.contents[numberOfFramesOffset++] = (byte) (numberOfFrames >> 8);
this.contents[numberOfFramesOffset] = (byte) numberOfFrames;
int attributeLength = localContentsOffset - stackMapTableAttributeLengthOffset - 4;
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 24);
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 16);
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 8);
this.contents[stackMapTableAttributeLengthOffset] = (byte) attributeLength;
attributeNumber++;
}
}
// update the number of attributes// ensure first that there is enough space available inside the localContents array
if (codeAttributeAttributeOffset + 2 >= this.contents.length) {
resizeContents(2);
}
this.contents[codeAttributeAttributeOffset++] = (byte) (attributeNumber >> 8);
this.contents[codeAttributeAttributeOffset] = (byte) attributeNumber;
// update the attribute length
int codeAttributeLength = localContentsOffset - (codeAttributeOffset + 6);
this.contents[codeAttributeOffset + 2] = (byte) (codeAttributeLength >> 24);
this.contents[codeAttributeOffset + 3] = (byte) (codeAttributeLength >> 16);
this.contents[codeAttributeOffset + 4] = (byte) (codeAttributeLength >> 8);
this.contents[codeAttributeOffset + 5] = (byte) codeAttributeLength;
contentsOffset = localContentsOffset;
}
/**
* INTERNAL USE-ONLY
* That method completes the creation of the code attribute by setting
* - the attribute_length
* - max_stack
* - max_locals
* - code_length
* - exception table
* - and debug attributes if necessary.
*
* @param binding org.aspectj.org.eclipse.jdt.internal.compiler.lookup.SyntheticAccessMethodBinding
* @param codeAttributeOffset <CODE>int</CODE>
*/
public void completeCodeAttributeForSyntheticMethod(
boolean hasExceptionHandlers,
SyntheticMethodBinding binding,
int codeAttributeOffset,
int[] startLineIndexes) {
// reinitialize the contents with the byte modified by the code stream
this.contents = codeStream.bCodeStream;
int localContentsOffset = codeStream.classFileOffset;
// codeAttributeOffset is the position inside contents byte array before we started to write
// any information about the codeAttribute
// That means that to write the attribute_length you need to offset by 2 the value of codeAttributeOffset
// to get the right position, 6 for the max_stack etc...
int max_stack = codeStream.stackMax;
contents[codeAttributeOffset + 6] = (byte) (max_stack >> 8);
contents[codeAttributeOffset + 7] = (byte) max_stack;
int max_locals = codeStream.maxLocals;
contents[codeAttributeOffset + 8] = (byte) (max_locals >> 8);
contents[codeAttributeOffset + 9] = (byte) max_locals;
int code_length = codeStream.position;
contents[codeAttributeOffset + 10] = (byte) (code_length >> 24);
contents[codeAttributeOffset + 11] = (byte) (code_length >> 16);
contents[codeAttributeOffset + 12] = (byte) (code_length >> 8);
contents[codeAttributeOffset + 13] = (byte) code_length;
if ((localContentsOffset + 40) >= this.contents.length) {
resizeContents(40);
}
if (hasExceptionHandlers) {
// write the exception table
ExceptionLabel[] exceptionLabels = codeStream.exceptionLabels;
int exceptionHandlersCount = 0; // each label holds one handler per range (start/end contiguous)
for (int i = 0, length = codeStream.exceptionLabelsCounter; i < length; i++) {
exceptionHandlersCount += codeStream.exceptionLabels[i].count / 2;
}
int exSize = exceptionHandlersCount * 8 + 2;
if (exSize + localContentsOffset >= this.contents.length) {
resizeContents(exSize);
}
// there is no exception table, so we need to offset by 2 the current offset and move
// on the attribute generation
this.contents[localContentsOffset++] = (byte) (exceptionHandlersCount >> 8);
this.contents[localContentsOffset++] = (byte) exceptionHandlersCount;
for (int i = 0, max = codeStream.exceptionLabelsCounter; i < max; i++) {
ExceptionLabel exceptionLabel = exceptionLabels[i];
if (exceptionLabel != null) {
int iRange = 0, maxRange = exceptionLabel.count;
if ((maxRange & 1) != 0) {
referenceBinding.scope.problemReporter().abortDueToInternalError(
Messages.bind(Messages.abort_invalidExceptionAttribute, new String(binding.selector),
referenceBinding.scope.problemReporter().referenceContext));
}
while (iRange < maxRange) {
int start = exceptionLabel.ranges[iRange++]; // even ranges are start positions
this.contents[localContentsOffset++] = (byte) (start >> 8);
this.contents[localContentsOffset++] = (byte) start;
int end = exceptionLabel.ranges[iRange++]; // odd ranges are end positions
this.contents[localContentsOffset++] = (byte) (end >> 8);
this.contents[localContentsOffset++] = (byte) end;
int handlerPC = exceptionLabel.position;
this.contents[localContentsOffset++] = (byte) (handlerPC >> 8);
this.contents[localContentsOffset++] = (byte) handlerPC;
if (exceptionLabel.exceptionType == null) {
// any exception handler
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = 0;
} else {
int nameIndex;
switch(exceptionLabel.exceptionType.id) {
case T_null :
/* represents ClassNotFoundException, see class literal access*/
nameIndex = constantPool.literalIndexForType(ConstantPool.JavaLangClassNotFoundExceptionConstantPoolName);
break;
case T_long :
/* represents NoSuchFieldError, see switch table generation*/
nameIndex = constantPool.literalIndexForType(ConstantPool.JavaLangNoSuchFieldErrorConstantPoolName);
break;
default:
nameIndex = constantPool.literalIndexForType(exceptionLabel.exceptionType);
}
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
}
}
}
}
} else {
// there is no exception table, so we need to offset by 2 the current offset and move
// on the attribute generation
contents[localContentsOffset++] = 0;
contents[localContentsOffset++] = 0;
}
// debug attributes
int codeAttributeAttributeOffset = localContentsOffset;
int attributeNumber = 0;
// leave two bytes for the attribute_length
localContentsOffset += 2;
if (localContentsOffset + 2 >= this.contents.length) {
resizeContents(2);
}
// first we handle the linenumber attribute
if ((this.produceAttributes & ClassFileConstants.ATTR_LINES) != 0) {
if (localContentsOffset + 12 >= this.contents.length) {
resizeContents(12);
}
int index = 0;
int lineNumberNameIndex =
constantPool.literalIndex(AttributeNamesConstants.LineNumberTableName);
contents[localContentsOffset++] = (byte) (lineNumberNameIndex >> 8);
contents[localContentsOffset++] = (byte) lineNumberNameIndex;
int lineNumberTableOffset = localContentsOffset;
localContentsOffset += 6;
// leave space for attribute_length and line_number_table_length
// Seems like do would be better, but this preserves the existing behavior.
index = Util.getLineNumber(binding.sourceStart, startLineIndexes, 0, startLineIndexes.length-1);
contents[localContentsOffset++] = 0;
contents[localContentsOffset++] = 0;
contents[localContentsOffset++] = (byte) (index >> 8);
contents[localContentsOffset++] = (byte) index;
// now we change the size of the line number attribute
contents[lineNumberTableOffset++] = 0;
contents[lineNumberTableOffset++] = 0;
contents[lineNumberTableOffset++] = 0;
contents[lineNumberTableOffset++] = 6;
contents[lineNumberTableOffset++] = 0;
contents[lineNumberTableOffset++] = 1;
attributeNumber++;
}
// then we do the local variable attribute
if ((this.produceAttributes & ClassFileConstants.ATTR_VARS) != 0) {
int numberOfEntries = 0;
int localVariableNameIndex =
constantPool.literalIndex(AttributeNamesConstants.LocalVariableTableName);
if (localContentsOffset + 8 > this.contents.length) {
resizeContents(8);
}
contents[localContentsOffset++] = (byte) (localVariableNameIndex >> 8);
contents[localContentsOffset++] = (byte) localVariableNameIndex;
int localVariableTableOffset = localContentsOffset;
localContentsOffset += 6;
// leave space for attribute_length and local_variable_table_length
int nameIndex;
int descriptorIndex;
// used to remember the local variable with a generic type
int genericLocalVariablesCounter = 0;
LocalVariableBinding[] genericLocalVariables = null;
int numberOfGenericEntries = 0;
for (int i = 0, max = codeStream.allLocalsCounter; i < max; i++) {
LocalVariableBinding localVariable = codeStream.locals[i];
final TypeBinding localVariableTypeBinding = localVariable.type;
boolean isParameterizedType = localVariableTypeBinding.isParameterizedType() || localVariableTypeBinding.isTypeVariable();
if (localVariable.initializationCount != 0 && isParameterizedType) {
if (genericLocalVariables == null) {
// we cannot have more than max locals
genericLocalVariables = new LocalVariableBinding[max];
}
genericLocalVariables[genericLocalVariablesCounter++] = localVariable;
}
for (int j = 0; j < localVariable.initializationCount; j++) {
int startPC = localVariable.initializationPCs[j << 1];
int endPC = localVariable.initializationPCs[(j << 1) + 1];
if (startPC != endPC) { // only entries for non zero length
if (endPC == -1) {
localVariable.declaringScope.problemReporter().abortDueToInternalError(
Messages.bind(Messages.abort_invalidAttribute, new String(localVariable.name)),
(ASTNode) localVariable.declaringScope.methodScope().referenceContext);
}
if (localContentsOffset + 10 > this.contents.length) {
resizeContents(10);
}
// now we can safely add the local entry
numberOfEntries++;
if (isParameterizedType) {
numberOfGenericEntries++;
}
contents[localContentsOffset++] = (byte) (startPC >> 8);
contents[localContentsOffset++] = (byte) startPC;
int length = endPC - startPC;
contents[localContentsOffset++] = (byte) (length >> 8);
contents[localContentsOffset++] = (byte) length;
nameIndex = constantPool.literalIndex(localVariable.name);
contents[localContentsOffset++] = (byte) (nameIndex >> 8);
contents[localContentsOffset++] = (byte) nameIndex;
descriptorIndex = constantPool.literalIndex(localVariableTypeBinding.signature());
contents[localContentsOffset++] = (byte) (descriptorIndex >> 8);
contents[localContentsOffset++] = (byte) descriptorIndex;
int resolvedPosition = localVariable.resolvedPosition;
contents[localContentsOffset++] = (byte) (resolvedPosition >> 8);
contents[localContentsOffset++] = (byte) resolvedPosition;
}
}
}
int value = numberOfEntries * 10 + 2;
contents[localVariableTableOffset++] = (byte) (value >> 24);
contents[localVariableTableOffset++] = (byte) (value >> 16);
contents[localVariableTableOffset++] = (byte) (value >> 8);
contents[localVariableTableOffset++] = (byte) value;
contents[localVariableTableOffset++] = (byte) (numberOfEntries >> 8);
contents[localVariableTableOffset] = (byte) numberOfEntries;
attributeNumber++;
if (genericLocalVariablesCounter != 0) {
// add the local variable type table attribute
int maxOfEntries = 8 + numberOfGenericEntries * 10;
// reserve enough space
if (localContentsOffset + maxOfEntries >= this.contents.length) {
resizeContents(maxOfEntries);
}
int localVariableTypeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.LocalVariableTypeTableName);
contents[localContentsOffset++] = (byte) (localVariableTypeNameIndex >> 8);
contents[localContentsOffset++] = (byte) localVariableTypeNameIndex;
value = numberOfGenericEntries * 10 + 2;
contents[localContentsOffset++] = (byte) (value >> 24);
contents[localContentsOffset++] = (byte) (value >> 16);
contents[localContentsOffset++] = (byte) (value >> 8);
contents[localContentsOffset++] = (byte) value;
contents[localContentsOffset++] = (byte) (numberOfGenericEntries >> 8);
contents[localContentsOffset++] = (byte) numberOfGenericEntries;
for (int i = 0; i < genericLocalVariablesCounter; i++) {
LocalVariableBinding localVariable = genericLocalVariables[i];
for (int j = 0; j < localVariable.initializationCount; j++) {
int startPC = localVariable.initializationPCs[j << 1];
int endPC = localVariable.initializationPCs[(j << 1) + 1];
if (startPC != endPC) { // only entries for non zero length
// now we can safely add the local entry
contents[localContentsOffset++] = (byte) (startPC >> 8);
contents[localContentsOffset++] = (byte) startPC;
int length = endPC - startPC;
contents[localContentsOffset++] = (byte) (length >> 8);
contents[localContentsOffset++] = (byte) length;
nameIndex = constantPool.literalIndex(localVariable.name);
contents[localContentsOffset++] = (byte) (nameIndex >> 8);
contents[localContentsOffset++] = (byte) nameIndex;
descriptorIndex = constantPool.literalIndex(localVariable.type.genericTypeSignature());
contents[localContentsOffset++] = (byte) (descriptorIndex >> 8);
contents[localContentsOffset++] = (byte) descriptorIndex;
int resolvedPosition = localVariable.resolvedPosition;
contents[localContentsOffset++] = (byte) (resolvedPosition >> 8);
contents[localContentsOffset++] = (byte) resolvedPosition;
}
}
}
attributeNumber++;
}
}
if ((this.produceAttributes & ClassFileConstants.ATTR_STACK_MAP) != 0) {
final Set framesPositions = ((StackMapFrameCodeStream) codeStream).framePositions;
final int framesPositionsSize = framesPositions.size();
int numberOfFrames = framesPositionsSize - 1; // -1 because last return doesn't count
if (numberOfFrames > 0) {
ArrayList framePositions = new ArrayList(framesPositionsSize);
framePositions.addAll(framesPositions);
Collections.sort(framePositions);
// add the stack map table attribute
if (localContentsOffset + 8 >= this.contents.length) {
resizeContents(8);
}
int stackMapTableAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.StackMapTableName);
this.contents[localContentsOffset++] = (byte) (stackMapTableAttributeNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) stackMapTableAttributeNameIndex;
int stackMapTableAttributeLengthOffset = localContentsOffset;
// generate the attribute
localContentsOffset += 4;
numberOfFrames = 0;
int numberOfFramesOffset = localContentsOffset;
localContentsOffset += 2;
// generate all frames
ArrayList frames = ((StackMapFrameCodeStream) codeStream).frames;
StackMapFrame currentFrame = (StackMapFrame) frames.get(0);
StackMapFrame prevFrame = null;
int framesSize = frames.size();
int frameIndex = 0;
for (int j = 0; j < framesPositionsSize && ((Integer) framePositions.get(j)).intValue() < code_length; j++) {
// select next frame
prevFrame = currentFrame;
currentFrame = null;
for (; frameIndex < framesSize; frameIndex++) {
currentFrame = (StackMapFrame) frames.get(frameIndex);
if (currentFrame.pc == ((Integer) framePositions.get(j)).intValue()) {
break;
}
}
if (currentFrame == null) break;
numberOfFrames++;
int offsetDelta = currentFrame.getOffsetDelta(prevFrame);
switch (currentFrame.getFrameType(prevFrame)) {
case StackMapFrame.APPEND_FRAME :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
int numberOfDifferentLocals = currentFrame.numberOfDifferentLocals(prevFrame);
this.contents[localContentsOffset++] = (byte) (251 + numberOfDifferentLocals);
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
int index = currentFrame.getIndexOfDifferentLocals(numberOfDifferentLocals);
int numberOfLocals = currentFrame.getNumberOfLocals();
for (int i = index; i < currentFrame.locals.length && numberOfDifferentLocals > 0; i++) {
if (localContentsOffset + 6 >= this.contents.length) {
resizeContents(6);
}
VerificationTypeInfo info = currentFrame.locals[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
i++;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
i++;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
numberOfDifferentLocals--;
}
}
break;
case StackMapFrame.SAME_FRAME :
if (localContentsOffset + 1 >= this.contents.length) {
resizeContents(1);
}
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.SAME_FRAME_EXTENDED :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
this.contents[localContentsOffset++] = (byte) 251;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.CHOP_FRAME :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
numberOfDifferentLocals = -currentFrame.numberOfDifferentLocals(prevFrame);
this.contents[localContentsOffset++] = (byte) (251 - numberOfDifferentLocals);
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.SAME_LOCALS_1_STACK_ITEMS :
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
this.contents[localContentsOffset++] = (byte) (offsetDelta + 64);
if (currentFrame.stackItems[0] == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(currentFrame.stackItems[0].id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
VerificationTypeInfo info = currentFrame.stackItems[0];
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
break;
case StackMapFrame.SAME_LOCALS_1_STACK_ITEMS_EXTENDED :
if (localContentsOffset + 6 >= this.contents.length) {
resizeContents(6);
}
this.contents[localContentsOffset++] = (byte) 247;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
if (currentFrame.stackItems[0] == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(currentFrame.stackItems[0].id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
VerificationTypeInfo info = currentFrame.stackItems[0];
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
break;
default :
// FULL_FRAME
if (localContentsOffset + 5 >= this.contents.length) {
resizeContents(5);
}
this.contents[localContentsOffset++] = (byte) 255;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
int numberOfLocalOffset = localContentsOffset;
localContentsOffset += 2; // leave two spots for number of locals
int numberOfLocalEntries = 0;
numberOfLocals = currentFrame.getNumberOfLocals();
int numberOfEntries = 0;
int localsLength = currentFrame.locals == null ? 0 : currentFrame.locals.length;
for (int i = 0; i < localsLength && numberOfLocalEntries < numberOfLocals; i++) {
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
VerificationTypeInfo info = currentFrame.locals[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
i++;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
i++;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
numberOfLocalEntries++;
}
numberOfEntries++;
}
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
this.contents[numberOfLocalOffset++] = (byte) (numberOfEntries >> 8);
this.contents[numberOfLocalOffset] = (byte) numberOfEntries;
int numberOfStackItems = currentFrame.numberOfStackItems;
this.contents[localContentsOffset++] = (byte) (numberOfStackItems >> 8);
this.contents[localContentsOffset++] = (byte) numberOfStackItems;
for (int i = 0; i < numberOfStackItems; i++) {
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
VerificationTypeInfo info = currentFrame.stackItems[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
}
}
}
this.contents[numberOfFramesOffset++] = (byte) (numberOfFrames >> 8);
this.contents[numberOfFramesOffset] = (byte) numberOfFrames;
int attributeLength = localContentsOffset - stackMapTableAttributeLengthOffset - 4;
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 24);
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 16);
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 8);
this.contents[stackMapTableAttributeLengthOffset] = (byte) attributeLength;
attributeNumber++;
}
}
// update the number of attributes
// ensure first that there is enough space available inside the contents array
if (codeAttributeAttributeOffset + 2 >= this.contents.length) {
resizeContents(2);
}
contents[codeAttributeAttributeOffset++] = (byte) (attributeNumber >> 8);
contents[codeAttributeAttributeOffset] = (byte) attributeNumber;
// update the attribute length
int codeAttributeLength = localContentsOffset - (codeAttributeOffset + 6);
contents[codeAttributeOffset + 2] = (byte) (codeAttributeLength >> 24);
contents[codeAttributeOffset + 3] = (byte) (codeAttributeLength >> 16);
contents[codeAttributeOffset + 4] = (byte) (codeAttributeLength >> 8);
contents[codeAttributeOffset + 5] = (byte) codeAttributeLength;
contentsOffset = localContentsOffset;
}
/**
* INTERNAL USE-ONLY
* That method completes the creation of the code attribute by setting
* - the attribute_length
* - max_stack
* - max_locals
* - code_length
* - exception table
* - and debug attributes if necessary.
*
* @param binding org.aspectj.org.eclipse.jdt.internal.compiler.lookup.SyntheticAccessMethodBinding
* @param codeAttributeOffset <CODE>int</CODE>
*/
public void completeCodeAttributeForSyntheticMethod(
SyntheticMethodBinding binding,
int codeAttributeOffset,
int[] startLineIndexes) {
this.completeCodeAttributeForSyntheticMethod(
false,
binding,
codeAttributeOffset,
startLineIndexes);
}
/**
* INTERNAL USE-ONLY
* Complete the creation of a method info by setting up the number of attributes at the right offset.
*
* @param methodAttributeOffset <CODE>int</CODE>
* @param attributeNumber <CODE>int</CODE>
*/
public void completeMethodInfo(
int methodAttributeOffset,
int attributeNumber) {
// update the number of attributes
contents[methodAttributeOffset++] = (byte) (attributeNumber >> 8);
contents[methodAttributeOffset] = (byte) attributeNumber;
}
/**
* INTERNAL USE-ONLY
* This methods returns a char[] representing the file name of the receiver
*
* @return char[]
*/
public char[] fileName() {
return constantPool.UTF8Cache.returnKeyFor(2);
}
private void generateAnnotation(Annotation annotation, int attributeOffset) {
if (contentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
TypeBinding annotationTypeBinding = annotation.resolvedType;
if (annotationTypeBinding == null) {
this.contentsOffset = attributeOffset;
return;
}
final int typeIndex = constantPool.literalIndex(annotationTypeBinding.signature());
contents[contentsOffset++] = (byte) (typeIndex >> 8);
contents[contentsOffset++] = (byte) typeIndex;
if (annotation instanceof NormalAnnotation) {
NormalAnnotation normalAnnotation = (NormalAnnotation) annotation;
MemberValuePair[] memberValuePairs = normalAnnotation.memberValuePairs;
if (memberValuePairs != null) {
final int memberValuePairsLength = memberValuePairs.length;
contents[contentsOffset++] = (byte) (memberValuePairsLength >> 8);
contents[contentsOffset++] = (byte) memberValuePairsLength;
for (int i = 0; i < memberValuePairsLength; i++) {
MemberValuePair memberValuePair = memberValuePairs[i];
if (contentsOffset + 2 >= this.contents.length) {
resizeContents(2);
}
final int elementNameIndex = constantPool.literalIndex(memberValuePair.name);
contents[contentsOffset++] = (byte) (elementNameIndex >> 8);
contents[contentsOffset++] = (byte) elementNameIndex;
MethodBinding methodBinding = memberValuePair.binding;
if (methodBinding == null) {
contentsOffset = attributeOffset;
} else {
generateElementValue(memberValuePair.value, methodBinding.returnType, attributeOffset);
}
}
} else {
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
}
} else if (annotation instanceof SingleMemberAnnotation) {
SingleMemberAnnotation singleMemberAnnotation = (SingleMemberAnnotation) annotation;
// this is a single member annotation (one member value)
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 1;
if (contentsOffset + 2 >= this.contents.length) {
resizeContents(2);
}
final int elementNameIndex = constantPool.literalIndex(VALUE);
contents[contentsOffset++] = (byte) (elementNameIndex >> 8);
contents[contentsOffset++] = (byte) elementNameIndex;
MethodBinding methodBinding = singleMemberAnnotation.memberValuePairs()[0].binding;
if (methodBinding == null) {
contentsOffset = attributeOffset;
} else {
generateElementValue(singleMemberAnnotation.memberValue, methodBinding.returnType, attributeOffset);
}
} else {
// this is a marker annotation (no member value pairs)
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
}
}
/**
* INTERNAL USE-ONLY
* That method generates the header of a code attribute.
* - the index inside the constant pool for the attribute name ("Code")
* - leave some space for attribute_length(4), max_stack(2), max_locals(2), code_length(4).
*/
public void generateCodeAttributeHeader() {
if (contentsOffset + 20 >= this.contents.length) {
resizeContents(20);
}
int constantValueNameIndex =
constantPool.literalIndex(AttributeNamesConstants.CodeName);
contents[contentsOffset++] = (byte) (constantValueNameIndex >> 8);
contents[contentsOffset++] = (byte) constantValueNameIndex;
// leave space for attribute_length(4), max_stack(2), max_locals(2), code_length(4)
contentsOffset += 12;
}
private void generateElementValue(
Expression defaultValue,
TypeBinding memberValuePairReturnType,
int attributeOffset) {
Constant constant = defaultValue.constant;
TypeBinding defaultValueBinding = defaultValue.resolvedType;
if (defaultValueBinding == null) {
contentsOffset = attributeOffset;
} else {
if (memberValuePairReturnType.isArrayType() && !defaultValueBinding.isArrayType()) {
// automatic wrapping
if (contentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
contents[contentsOffset++] = (byte) '[';
contents[contentsOffset++] = (byte) 0;
contents[contentsOffset++] = (byte) 1;
}
if (constant != null && constant != Constant.NotAConstant) {
generateElementValue(attributeOffset, defaultValue, constant, memberValuePairReturnType.leafComponentType());
} else {
generateElementValueForNonConstantExpression(defaultValue, attributeOffset, defaultValueBinding);
}
}
}
/**
* @param attributeOffset
*/
private void generateElementValue(int attributeOffset, Expression defaultValue, Constant constant, TypeBinding binding) {
if (contentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
switch (binding.id) {
case T_boolean :
contents[contentsOffset++] = (byte) 'Z';
int booleanValueIndex =
constantPool.literalIndex(constant.booleanValue() ? 1 : 0);
contents[contentsOffset++] = (byte) (booleanValueIndex >> 8);
contents[contentsOffset++] = (byte) booleanValueIndex;
break;
case T_byte :
contents[contentsOffset++] = (byte) 'B';
int integerValueIndex =
constantPool.literalIndex(constant.intValue());
contents[contentsOffset++] = (byte) (integerValueIndex >> 8);
contents[contentsOffset++] = (byte) integerValueIndex;
break;
case T_char :
contents[contentsOffset++] = (byte) 'C';
integerValueIndex =
constantPool.literalIndex(constant.intValue());
contents[contentsOffset++] = (byte) (integerValueIndex >> 8);
contents[contentsOffset++] = (byte) integerValueIndex;
break;
case T_int :
contents[contentsOffset++] = (byte) 'I';
integerValueIndex =
constantPool.literalIndex(constant.intValue());
contents[contentsOffset++] = (byte) (integerValueIndex >> 8);
contents[contentsOffset++] = (byte) integerValueIndex;
break;
case T_short :
contents[contentsOffset++] = (byte) 'S';
integerValueIndex =
constantPool.literalIndex(constant.intValue());
contents[contentsOffset++] = (byte) (integerValueIndex >> 8);
contents[contentsOffset++] = (byte) integerValueIndex;
break;
case T_float :
contents[contentsOffset++] = (byte) 'F';
int floatValueIndex =
constantPool.literalIndex(constant.floatValue());
contents[contentsOffset++] = (byte) (floatValueIndex >> 8);
contents[contentsOffset++] = (byte) floatValueIndex;
break;
case T_double :
contents[contentsOffset++] = (byte) 'D';
int doubleValueIndex =
constantPool.literalIndex(constant.doubleValue());
contents[contentsOffset++] = (byte) (doubleValueIndex >> 8);
contents[contentsOffset++] = (byte) doubleValueIndex;
break;
case T_long :
contents[contentsOffset++] = (byte) 'J';
int longValueIndex =
constantPool.literalIndex(constant.longValue());
contents[contentsOffset++] = (byte) (longValueIndex >> 8);
contents[contentsOffset++] = (byte) longValueIndex;
break;
case T_JavaLangString :
contents[contentsOffset++] = (byte) 's';
int stringValueIndex =
constantPool.literalIndex(((StringConstant) constant).stringValue().toCharArray());
if (stringValueIndex == -1) {
if (!creatingProblemType) {
// report an error and abort: will lead to a problem type classfile creation
TypeDeclaration typeDeclaration = referenceBinding.scope.referenceContext;
typeDeclaration.scope.problemReporter().stringConstantIsExceedingUtf8Limit(defaultValue);
} else {
// already inside a problem type creation : no attribute
contentsOffset = attributeOffset;
}
} else {
contents[contentsOffset++] = (byte) (stringValueIndex >> 8);
contents[contentsOffset++] = (byte) stringValueIndex;
}
}
}
private void generateElementValueForNonConstantExpression(Expression defaultValue, int attributeOffset, TypeBinding defaultValueBinding) {
if (defaultValueBinding != null) {
if (defaultValueBinding.isEnum()) {
if (contentsOffset + 5 >= this.contents.length) {
resizeContents(5);
}
contents[contentsOffset++] = (byte) 'e';
FieldBinding fieldBinding = null;
if (defaultValue instanceof QualifiedNameReference) {
QualifiedNameReference nameReference = (QualifiedNameReference) defaultValue;
fieldBinding = (FieldBinding) nameReference.binding;
} else if (defaultValue instanceof SingleNameReference) {
SingleNameReference nameReference = (SingleNameReference) defaultValue;
fieldBinding = (FieldBinding) nameReference.binding;
} else {
contentsOffset = attributeOffset;
}
if (fieldBinding != null) {
final int enumConstantTypeNameIndex = constantPool.literalIndex(fieldBinding.type.signature());
final int enumConstantNameIndex = constantPool.literalIndex(fieldBinding.name);
contents[contentsOffset++] = (byte) (enumConstantTypeNameIndex >> 8);
contents[contentsOffset++] = (byte) enumConstantTypeNameIndex;
contents[contentsOffset++] = (byte) (enumConstantNameIndex >> 8);
contents[contentsOffset++] = (byte) enumConstantNameIndex;
}
} else if (defaultValueBinding.isAnnotationType()) {
if (contentsOffset + 1 >= this.contents.length) {
resizeContents(1);
}
contents[contentsOffset++] = (byte) '@';
generateAnnotation((Annotation) defaultValue, attributeOffset);
} else if (defaultValueBinding.isArrayType()) {
// array type
if (contentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
contents[contentsOffset++] = (byte) '[';
if (defaultValue instanceof ArrayInitializer) {
ArrayInitializer arrayInitializer = (ArrayInitializer) defaultValue;
int arrayLength = arrayInitializer.expressions != null ? arrayInitializer.expressions.length : 0;
contents[contentsOffset++] = (byte) (arrayLength >> 8);
contents[contentsOffset++] = (byte) arrayLength;
for (int i = 0; i < arrayLength; i++) {
generateElementValue(arrayInitializer.expressions[i], defaultValueBinding.leafComponentType(), attributeOffset);
}
} else {
contentsOffset = attributeOffset;
}
} else {
// class type
if (contentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
contents[contentsOffset++] = (byte) 'c';
if (defaultValue instanceof ClassLiteralAccess) {
ClassLiteralAccess classLiteralAccess = (ClassLiteralAccess) defaultValue;
final int classInfoIndex = constantPool.literalIndex(classLiteralAccess.targetType.signature());
contents[contentsOffset++] = (byte) (classInfoIndex >> 8);
contents[contentsOffset++] = (byte) classInfoIndex;
} else {
contentsOffset = attributeOffset;
}
}
} else {
contentsOffset = attributeOffset;
}
}
public int generateMethodInfoAttribute(MethodBinding methodBinding) {
return generateMethodInfoAttribute(methodBinding, false,null);// AspectJ Extension - pass 3rd parameter (null in this case is OK)
}
// AspectJ Extension - new method stub that can pass 3rd param
public int generateMethodInfoAttribute(MethodBinding methodBinding,boolean createProblemMethod) {
return generateMethodInfoAttribute(methodBinding,createProblemMethod,null);
}
// End AspectJ Extension
public int generateMethodInfoAttribute(MethodBinding methodBinding, AnnotationMethodDeclaration declaration) {
int attributesNumber = generateMethodInfoAttribute(methodBinding);
int attributeOffset = contentsOffset;
if ((declaration.modifiers & ClassFileConstants.AccAnnotationDefault) != 0) {
// add an annotation default attribute
int annotationDefaultNameIndex =
constantPool.literalIndex(AttributeNamesConstants.AnnotationDefaultName);
contents[contentsOffset++] = (byte) (annotationDefaultNameIndex >> 8);
contents[contentsOffset++] = (byte) annotationDefaultNameIndex;
int attributeLengthOffset = contentsOffset;
contentsOffset += 4;
if (contentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
generateElementValue(declaration.defaultValue, declaration.binding.returnType, attributeOffset);
if (contentsOffset != attributeOffset) {
int attributeLength = contentsOffset - attributeLengthOffset - 4;
contents[attributeLengthOffset++] = (byte) (attributeLength >> 24);
contents[attributeLengthOffset++] = (byte) (attributeLength >> 16);
contents[attributeLengthOffset++] = (byte) (attributeLength >> 8);
contents[attributeLengthOffset++] = (byte) attributeLength;
attributesNumber++;
}
}
return attributesNumber;
}
/**
* INTERNAL USE-ONLY
* That method generates the attributes of a code attribute.
* They could be:
* - an exception attribute for each try/catch found inside the method
* - a deprecated attribute
* - a synthetic attribute for synthetic access methods
*
* It returns the number of attributes created for the code attribute.
*
* @param methodBinding org.aspectj.org.eclipse.jdt.internal.compiler.lookup.MethodBinding
* @return <CODE>int</CODE>
*/
// AspectJ Extension - third parameter added
public int generateMethodInfoAttribute(MethodBinding methodBinding, boolean createProblemMethod, List extraAttributes) {
// leave two bytes for the attribute_number
contentsOffset += 2;
if (contentsOffset + 2 >= this.contents.length) {
resizeContents(2);
}
// now we can handle all the attribute for that method info:
// it could be:
// - a CodeAttribute
// - a ExceptionAttribute
// - a DeprecatedAttribute
// - a SyntheticAttribute
// Exception attribute
ReferenceBinding[] thrownsExceptions;
int attributeNumber = 0;
if ((thrownsExceptions = methodBinding.thrownExceptions) != Binding.NO_EXCEPTIONS) {
// The method has a throw clause. So we need to add an exception attribute
// check that there is enough space to write all the bytes for the exception attribute
int length = thrownsExceptions.length;
int exSize = 8 + length * 2;
if (exSize + contentsOffset >= this.contents.length) {
resizeContents(exSize);
}
int exceptionNameIndex =
constantPool.literalIndex(AttributeNamesConstants.ExceptionsName);
contents[contentsOffset++] = (byte) (exceptionNameIndex >> 8);
contents[contentsOffset++] = (byte) exceptionNameIndex;
// The attribute length = length * 2 + 2 in case of a exception attribute
int attributeLength = length * 2 + 2;
contents[contentsOffset++] = (byte) (attributeLength >> 24);
contents[contentsOffset++] = (byte) (attributeLength >> 16);
contents[contentsOffset++] = (byte) (attributeLength >> 8);
contents[contentsOffset++] = (byte) attributeLength;
contents[contentsOffset++] = (byte) (length >> 8);
contents[contentsOffset++] = (byte) length;
for (int i = 0; i < length; i++) {
int exceptionIndex = constantPool.literalIndexForType(thrownsExceptions[i]);
contents[contentsOffset++] = (byte) (exceptionIndex >> 8);
contents[contentsOffset++] = (byte) exceptionIndex;
}
attributeNumber++;
}
if (methodBinding.isDeprecated()) {
// Deprecated attribute
// Check that there is enough space to write the deprecated attribute
if (contentsOffset + 6 >= this.contents.length) {
resizeContents(6);
}
int deprecatedAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.DeprecatedName);
contents[contentsOffset++] = (byte) (deprecatedAttributeNameIndex >> 8);
contents[contentsOffset++] = (byte) deprecatedAttributeNameIndex;
// the length of a deprecated attribute is equals to 0
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
attributeNumber++;
}
if (this.targetJDK < ClassFileConstants.JDK1_5) {
if (methodBinding.isSynthetic()) {
// Synthetic attribute
// Check that there is enough space to write the deprecated attribute
if (contentsOffset + 6 >= this.contents.length) {
resizeContents(6);
}
int syntheticAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.SyntheticName);
contents[contentsOffset++] = (byte) (syntheticAttributeNameIndex >> 8);
contents[contentsOffset++] = (byte) syntheticAttributeNameIndex;
// the length of a synthetic attribute is equals to 0
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
attributeNumber++;
}
if (methodBinding.isVarargs()) {
/*
* handle of the target jsr14 for varargs in the source
* Varargs attribute
* Check that there is enough space to write the deprecated attribute
*/
if (contentsOffset + 6 >= this.contents.length) {
resizeContents(6);
}
int varargsAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.VarargsName);
contents[contentsOffset++] = (byte) (varargsAttributeNameIndex >> 8);
contents[contentsOffset++] = (byte) varargsAttributeNameIndex;
// the length of a varargs attribute is equals to 0
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
attributeNumber++;
}
}
// add signature attribute
char[] genericSignature = methodBinding.genericSignature();
if (genericSignature != null) {
// check that there is enough space to write all the bytes for the field info corresponding
// to the @fieldBinding
if (contentsOffset + 8 >= this.contents.length) {
resizeContents(8);
}
int signatureAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.SignatureName);
contents[contentsOffset++] = (byte) (signatureAttributeNameIndex >> 8);
contents[contentsOffset++] = (byte) signatureAttributeNameIndex;
// the length of a signature attribute is equals to 2
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 2;
int signatureIndex =
constantPool.literalIndex(genericSignature);
contents[contentsOffset++] = (byte) (signatureIndex >> 8);
contents[contentsOffset++] = (byte) signatureIndex;
attributeNumber++;
}
if (this.targetJDK >= ClassFileConstants.JDK1_5 && !this.creatingProblemType && !createProblemMethod) {
AbstractMethodDeclaration methodDeclaration = methodBinding.sourceMethod();
if (methodDeclaration != null) {
Annotation[] annotations = methodDeclaration.annotations;
if (annotations != null) {
attributeNumber += generateRuntimeAnnotations(annotations);
}
if ((methodBinding.tagBits & TagBits.HasParameterAnnotations) != 0) {
Argument[] arguments = methodDeclaration.arguments;
if (arguments != null) {
attributeNumber += generateRuntimeAnnotationsForParameters(arguments);
}
}
}
}
// AspectJ Extension
if (extraAttributes != null) {
for (int i=0, len = extraAttributes.size(); i < len; i++) {
IAttribute attribute = (IAttribute)extraAttributes.get(i);
short nameIndex = (short)constantPool.literalIndex(attribute.getNameChars());
writeToContents(attribute.getAllBytes(nameIndex,constantPool));
attributeNumber++;
}
}
// End AspectJ Extension
return attributeNumber;
}
// AspectJ Extension
void writeToContents(byte[] data) {
int N = data.length;
if (contentsOffset + N >= this.contents.length) {
resizeContents(N);
}
System.arraycopy(data,0,contents,contentsOffset,N);
contentsOffset += N;
}
// End AspectJ Extension
/**
* INTERNAL USE-ONLY
* That method generates the header of a method info:
* The header consists in:
* - the access flags
* - the name index of the method name inside the constant pool
* - the descriptor index of the signature of the method inside the constant pool.
*
* @param methodBinding org.aspectj.org.eclipse.jdt.internal.compiler.lookup.MethodBinding
*/
public void generateMethodInfoHeader(MethodBinding methodBinding) {
generateMethodInfoHeader(methodBinding, methodBinding.modifiers);
}
/**
* INTERNAL USE-ONLY
* That method generates the header of a method info:
* The header consists in:
* - the access flags
* - the name index of the method name inside the constant pool
* - the descriptor index of the signature of the method inside the constant pool.
*
* @param methodBinding org.aspectj.org.eclipse.jdt.internal.compiler.lookup.MethodBinding
* @param accessFlags the access flags
*/
public void generateMethodInfoHeader(MethodBinding methodBinding, int accessFlags) {
// check that there is enough space to write all the bytes for the method info corresponding
// to the @methodBinding
methodCount++; // add one more method
if (contentsOffset + 10 >= this.contents.length) {
resizeContents(10);
}
if (targetJDK < ClassFileConstants.JDK1_5) {
// pre 1.5, synthetic is an attribute, not a modifier
// pre 1.5, varargs is an attribute, not a modifier (-target jsr14 mode)
accessFlags &= ~(ClassFileConstants.AccSynthetic | ClassFileConstants.AccVarargs);
}
if ((methodBinding.tagBits & TagBits.ClearPrivateModifier) != 0) {
accessFlags &= ~ClassFileConstants.AccPrivate;
}
contents[contentsOffset++] = (byte) (accessFlags >> 8);
contents[contentsOffset++] = (byte) accessFlags;
int nameIndex = constantPool.literalIndex(methodBinding.selector);
contents[contentsOffset++] = (byte) (nameIndex >> 8);
contents[contentsOffset++] = (byte) nameIndex;
int descriptorIndex = constantPool.literalIndex(methodBinding.signature(this));
contents[contentsOffset++] = (byte) (descriptorIndex >> 8);
contents[contentsOffset++] = (byte) descriptorIndex;
}
/**
* INTERNAL USE-ONLY
* That method generates the method info header of a clinit:
* The header consists in:
* - the access flags (always default access + static)
* - the name index of the method name (always <clinit>) inside the constant pool
* - the descriptor index of the signature (always ()V) of the method inside the constant pool.
*/
public void generateMethodInfoHeaderForClinit() {
// check that there is enough space to write all the bytes for the method info corresponding
// to the @methodBinding
methodCount++; // add one more method
if (contentsOffset + 10 >= this.contents.length) {
resizeContents(10);
}
contents[contentsOffset++] = (byte) ((ClassFileConstants.AccDefault | ClassFileConstants.AccStatic) >> 8);
contents[contentsOffset++] = (byte) (ClassFileConstants.AccDefault | ClassFileConstants.AccStatic);
int nameIndex = constantPool.literalIndex(ConstantPool.Clinit);
contents[contentsOffset++] = (byte) (nameIndex >> 8);
contents[contentsOffset++] = (byte) nameIndex;
int descriptorIndex =
constantPool.literalIndex(ConstantPool.ClinitSignature);
contents[contentsOffset++] = (byte) (descriptorIndex >> 8);
contents[contentsOffset++] = (byte) descriptorIndex;
// We know that we won't get more than 1 attribute: the code attribute
contents[contentsOffset++] = 0;
contents[contentsOffset++] = 1;
}
/**
* INTERNAL USE-ONLY
* Generate the byte for problem method infos that correspond to missing abstract methods.
* http://dev.eclipse.org/bugs/show_bug.cgi?id=3179
*
* @param methodDeclarations Array of all missing abstract methods
*/
public void generateMissingAbstractMethods(MethodDeclaration[] methodDeclarations, CompilationResult compilationResult) {
if (methodDeclarations != null) {
TypeDeclaration currentDeclaration = this.referenceBinding.scope.referenceContext;
int typeDeclarationSourceStart = currentDeclaration.sourceStart();
int typeDeclarationSourceEnd = currentDeclaration.sourceEnd();
for (int i = 0, max = methodDeclarations.length; i < max; i++) {
MethodDeclaration methodDeclaration = methodDeclarations[i];
MethodBinding methodBinding = methodDeclaration.binding;
String readableName = new String(methodBinding.readableName());
CategorizedProblem[] problems = compilationResult.problems;
int problemsCount = compilationResult.problemCount;
for (int j = 0; j < problemsCount; j++) {
CategorizedProblem problem = problems[j];
if (problem != null
&& problem.getID() == IProblem.AbstractMethodMustBeImplemented
&& problem.getMessage().indexOf(readableName) != -1
&& problem.getSourceStart() >= typeDeclarationSourceStart
&& problem.getSourceEnd() <= typeDeclarationSourceEnd) {
// we found a match
addMissingAbstractProblemMethod(methodDeclaration, methodBinding, problem, compilationResult);
}
}
}
}
}
/**
* @param annotations
* @return the number of attributes created while dumping the annotations in the .class file
*/
private int generateRuntimeAnnotations(final Annotation[] annotations) {
int attributesNumber = 0;
final int length = annotations.length;
int visibleAnnotationsCounter = 0;
int invisibleAnnotationsCounter = 0;
for (int i = 0; i < length; i++) {
Annotation annotation = annotations[i];
if (isRuntimeInvisible(annotation)) {
invisibleAnnotationsCounter++;
} else if (isRuntimeVisible(annotation)) {
visibleAnnotationsCounter++;
}
}
if (invisibleAnnotationsCounter != 0) {
int annotationAttributeOffset = contentsOffset;
if (contentsOffset + 10 >= contents.length) {
resizeContents(10);
}
int runtimeInvisibleAnnotationsAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.RuntimeInvisibleAnnotationsName);
contents[contentsOffset++] = (byte) (runtimeInvisibleAnnotationsAttributeNameIndex >> 8);
contents[contentsOffset++] = (byte) runtimeInvisibleAnnotationsAttributeNameIndex;
int attributeLengthOffset = contentsOffset;
contentsOffset += 4; // leave space for the attribute length
int annotationsLengthOffset = contentsOffset;
contentsOffset += 2; // leave space for the annotations length
contents[annotationsLengthOffset++] = (byte) (invisibleAnnotationsCounter >> 8);
contents[annotationsLengthOffset++] = (byte) invisibleAnnotationsCounter;
loop: for (int i = 0; i < length; i++) {
if (invisibleAnnotationsCounter == 0) break loop;
Annotation annotation = annotations[i];
if (isRuntimeInvisible(annotation)) {
generateAnnotation(annotation, annotationAttributeOffset);
invisibleAnnotationsCounter--;
if (this.contentsOffset == annotationAttributeOffset) {
break loop;
}
}
}
if (contentsOffset != annotationAttributeOffset) {
int attributeLength = contentsOffset - attributeLengthOffset - 4;
contents[attributeLengthOffset++] = (byte) (attributeLength >> 24);
contents[attributeLengthOffset++] = (byte) (attributeLength >> 16);
contents[attributeLengthOffset++] = (byte) (attributeLength >> 8);
contents[attributeLengthOffset++] = (byte) attributeLength;
attributesNumber++;
} else {
contentsOffset = annotationAttributeOffset;
}
}
if (visibleAnnotationsCounter != 0) {
int annotationAttributeOffset = contentsOffset;
if (contentsOffset + 10 >= contents.length) {
resizeContents(10);
}
int runtimeVisibleAnnotationsAttributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.RuntimeVisibleAnnotationsName);
contents[contentsOffset++] = (byte) (runtimeVisibleAnnotationsAttributeNameIndex >> 8);
contents[contentsOffset++] = (byte) runtimeVisibleAnnotationsAttributeNameIndex;
int attributeLengthOffset = contentsOffset;
contentsOffset += 4; // leave space for the attribute length
int annotationsLengthOffset = contentsOffset;
contentsOffset += 2; // leave space for the annotations length
contents[annotationsLengthOffset++] = (byte) (visibleAnnotationsCounter >> 8);
contents[annotationsLengthOffset++] = (byte) visibleAnnotationsCounter;
loop: for (int i = 0; i < length; i++) {
if (visibleAnnotationsCounter == 0) break loop;
Annotation annotation = annotations[i];
if (isRuntimeVisible(annotation)) {
visibleAnnotationsCounter--;
generateAnnotation(annotation, annotationAttributeOffset);
if (this.contentsOffset == annotationAttributeOffset) {
break loop;
}
}
}
if (contentsOffset != annotationAttributeOffset) {
int attributeLength = contentsOffset - attributeLengthOffset - 4;
contents[attributeLengthOffset++] = (byte) (attributeLength >> 24);
contents[attributeLengthOffset++] = (byte) (attributeLength >> 16);
contents[attributeLengthOffset++] = (byte) (attributeLength >> 8);
contents[attributeLengthOffset++] = (byte) attributeLength;
attributesNumber++;
} else {
contentsOffset = annotationAttributeOffset;
}
}
return attributesNumber;
}
private int generateRuntimeAnnotationsForParameters(Argument[] arguments) {
final int argumentsLength = arguments.length;
final int VISIBLE_INDEX = 0;
final int INVISIBLE_INDEX = 1;
int invisibleParametersAnnotationsCounter = 0;
int visibleParametersAnnotationsCounter = 0;
int[][] annotationsCounters = new int[argumentsLength][2];
for (int i = 0; i < argumentsLength; i++) {
Argument argument = arguments[i];
Annotation[] annotations = argument.annotations;
if (annotations != null) {
for (int j = 0, max2 = annotations.length; j < max2; j++) {
Annotation annotation = annotations[j];
if (isRuntimeInvisible(annotation)) {
annotationsCounters[i][INVISIBLE_INDEX]++;
invisibleParametersAnnotationsCounter++;
} else if (isRuntimeVisible(annotation)) {
annotationsCounters[i][VISIBLE_INDEX]++;
visibleParametersAnnotationsCounter++;
}
}
}
}
int attributesNumber = 0;
int annotationAttributeOffset = contentsOffset;
if (invisibleParametersAnnotationsCounter != 0) {
if (contentsOffset + 7 >= contents.length) {
resizeContents(7);
}
int attributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.RuntimeInvisibleParameterAnnotationsName);
contents[contentsOffset++] = (byte) (attributeNameIndex >> 8);
contents[contentsOffset++] = (byte) attributeNameIndex;
int attributeLengthOffset = contentsOffset;
contentsOffset += 4; // leave space for the attribute length
contents[contentsOffset++] = (byte) argumentsLength;
invisibleLoop: for (int i = 0; i < argumentsLength; i++) {
if (contentsOffset + 2 >= contents.length) {
resizeContents(2);
}
if (invisibleParametersAnnotationsCounter == 0) {
contents[contentsOffset++] = (byte) 0;
contents[contentsOffset++] = (byte) 0;
} else {
final int numberOfInvisibleAnnotations = annotationsCounters[i][INVISIBLE_INDEX];
contents[contentsOffset++] = (byte) (numberOfInvisibleAnnotations >> 8);
contents[contentsOffset++] = (byte) numberOfInvisibleAnnotations;
if (numberOfInvisibleAnnotations != 0) {
Argument argument = arguments[i];
Annotation[] annotations = argument.annotations;
for (int j = 0, max = annotations.length; j < max; j++) {
Annotation annotation = annotations[j];
if (isRuntimeInvisible(annotation)) {
generateAnnotation(annotation, annotationAttributeOffset);
if (contentsOffset == annotationAttributeOffset) {
break invisibleLoop;
}
invisibleParametersAnnotationsCounter--;
}
}
}
}
}
if (contentsOffset != annotationAttributeOffset) {
int attributeLength = contentsOffset - attributeLengthOffset - 4;
contents[attributeLengthOffset++] = (byte) (attributeLength >> 24);
contents[attributeLengthOffset++] = (byte) (attributeLength >> 16);
contents[attributeLengthOffset++] = (byte) (attributeLength >> 8);
contents[attributeLengthOffset++] = (byte) attributeLength;
attributesNumber++;
} else {
contentsOffset = annotationAttributeOffset;
}
}
if (visibleParametersAnnotationsCounter != 0) {
if (contentsOffset + 7 >= contents.length) {
resizeContents(7);
}
int attributeNameIndex =
constantPool.literalIndex(AttributeNamesConstants.RuntimeVisibleParameterAnnotationsName);
contents[contentsOffset++] = (byte) (attributeNameIndex >> 8);
contents[contentsOffset++] = (byte) attributeNameIndex;
int attributeLengthOffset = contentsOffset;
contentsOffset += 4; // leave space for the attribute length
contents[contentsOffset++] = (byte) argumentsLength;
visibleLoop: for (int i = 0; i < argumentsLength; i++) {
if (contentsOffset + 2 >= contents.length) {
resizeContents(2);
}
if (visibleParametersAnnotationsCounter == 0) {
contents[contentsOffset++] = (byte) 0;
contents[contentsOffset++] = (byte) 0;
} else {
final int numberOfVisibleAnnotations = annotationsCounters[i][VISIBLE_INDEX];
contents[contentsOffset++] = (byte) (numberOfVisibleAnnotations >> 8);
contents[contentsOffset++] = (byte) numberOfVisibleAnnotations;
if (numberOfVisibleAnnotations != 0) {
Argument argument = arguments[i];
Annotation[] annotations = argument.annotations;
for (int j = 0, max = annotations.length; j < max; j++) {
Annotation annotation = annotations[j];
if (isRuntimeVisible(annotation)) {
generateAnnotation(annotation, annotationAttributeOffset);
if (contentsOffset == annotationAttributeOffset) {
break visibleLoop;
}
visibleParametersAnnotationsCounter--;
}
}
}
}
}
if (contentsOffset != annotationAttributeOffset) {
int attributeLength = contentsOffset - attributeLengthOffset - 4;
contents[attributeLengthOffset++] = (byte) (attributeLength >> 24);
contents[attributeLengthOffset++] = (byte) (attributeLength >> 16);
contents[attributeLengthOffset++] = (byte) (attributeLength >> 8);
contents[attributeLengthOffset++] = (byte) attributeLength;
attributesNumber++;
} else {
contentsOffset = annotationAttributeOffset;
}
}
return attributesNumber;
}
/**
* EXTERNAL API
* Answer the actual bytes of the class file
*
* This method encodes the receiver structure into a byte array which is the content of the classfile.
* Returns the byte array that represents the encoded structure of the receiver.
*
* @return byte[]
*/
public byte[] getBytes() {
if (this.bytes == null) {
this.bytes = new byte[this.headerOffset + this.contentsOffset];
System.arraycopy(this.header, 0, this.bytes, 0, this.headerOffset);
System.arraycopy(this.contents, 0, this.bytes, this.headerOffset, this.contentsOffset);
}
return this.bytes;
}
/**
* EXTERNAL API
* Answer the compound name of the class file.
* @return char[][]
* e.g. {{java}, {util}, {Hashtable}}.
*/
public char[][] getCompoundName() {
return CharOperation.splitOn('/', fileName());
}
protected void initByteArrays() {
int members = referenceBinding.methods().length + referenceBinding.fields().length;
this.header = new byte[INITIAL_HEADER_SIZE];
this.contents = new byte[members < 15 ? INITIAL_CONTENTS_SIZE : INITIAL_HEADER_SIZE];
}
public void initialize(SourceTypeBinding aType, ClassFile parentClassFile, boolean createProblemType) {
// generate the magic numbers inside the header
header[headerOffset++] = (byte) (0xCAFEBABEL >> 24);
header[headerOffset++] = (byte) (0xCAFEBABEL >> 16);
header[headerOffset++] = (byte) (0xCAFEBABEL >> 8);
header[headerOffset++] = (byte) (0xCAFEBABEL >> 0);
header[headerOffset++] = (byte) (this.targetJDK >> 8); // minor high
header[headerOffset++] = (byte) (this.targetJDK >> 0); // minor low
header[headerOffset++] = (byte) (this.targetJDK >> 24); // major high
header[headerOffset++] = (byte) (this.targetJDK >> 16); // major low
constantPoolOffset = headerOffset;
headerOffset += 2;
this.constantPool.initialize(this);
// Modifier manipulations for classfile
int accessFlags = aType.getAccessFlags();
if (aType.isPrivate()) { // rewrite private to non-public
accessFlags &= ~ClassFileConstants.AccPublic;
}
if (aType.isProtected()) { // rewrite protected into public
accessFlags |= ClassFileConstants.AccPublic;
}
// clear all bits that are illegal for a class or an interface
accessFlags
&= ~(
ClassFileConstants.AccStrictfp
| ClassFileConstants.AccProtected
| ClassFileConstants.AccPrivate
| ClassFileConstants.AccStatic
| ClassFileConstants.AccSynchronized
| ClassFileConstants.AccNative);
// set the AccSuper flag (has to be done after clearing AccSynchronized - since same value)
if (!aType.isInterface()) { // class or enum
accessFlags |= ClassFileConstants.AccSuper;
}
this.enclosingClassFile = parentClassFile;
// innerclasses get their names computed at code gen time
// now we continue to generate the bytes inside the contents array
contents[contentsOffset++] = (byte) (accessFlags >> 8);
contents[contentsOffset++] = (byte) accessFlags;
int classNameIndex = constantPool.literalIndexForType(aType);
contents[contentsOffset++] = (byte) (classNameIndex >> 8);
contents[contentsOffset++] = (byte) classNameIndex;
// AspectJ extension - don't include decp weaving in the class created
// Use the original superclass if it has been changed
// original code:
// int superclassNameIndex;
// if (aType.isInterface()) {
// superclassNameIndex = constantPool.literalIndexForType(ConstantPool.JavaLangObjectConstantPoolName);
// } else {
// superclassNameIndex =
// (aType.superclass == null ? 0 : constantPool.literalIndexForType(aType.superclass));
// }
// new code:
ReferenceBinding superclass = null;
int superclassNameIndex = -1;
if (aType.originalSuperclass!=null) superclass=aType.originalSuperclass;
else superclass=aType.superclass;
if (aType.isInterface()) {
superclassNameIndex = constantPool.literalIndexForType(ConstantPool.JavaLangObjectConstantPoolName);
} else {
superclassNameIndex =
(superclass == null ? 0 : constantPool.literalIndexForType(superclass.constantPoolName()));
}
// End AspectJ extension
contents[contentsOffset++] = (byte) (superclassNameIndex >> 8);
contents[contentsOffset++] = (byte) superclassNameIndex;
// AspectJ extension
// Use the original superinterfaces if the list has been changed
// original code:
// ReferenceBinding[] superInterfacesBinding = aType.superInterfaces();
// new code:
ReferenceBinding[] superInterfacesBinding = null;
if (aType.originalSuperInterfaces!=null) {
superInterfacesBinding = aType.originalSuperInterfaces;
} else {
superInterfacesBinding = aType.superInterfaces();
}
// End AspectJ extension
int interfacesCount = superInterfacesBinding.length;
contents[contentsOffset++] = (byte) (interfacesCount >> 8);
contents[contentsOffset++] = (byte) interfacesCount;
for (int i = 0; i < interfacesCount; i++) {
int interfaceIndex = constantPool.literalIndexForType(superInterfacesBinding[i]);
contents[contentsOffset++] = (byte) (interfaceIndex >> 8);
contents[contentsOffset++] = (byte) interfaceIndex;
}
this.creatingProblemType = createProblemType;
// retrieve the enclosing one guaranteed to be the one matching the propagated flow info
// 1FF9ZBU: LFCOM:ALL - Local variable attributes busted (Sanity check)
if (this.enclosingClassFile == null) {
this.codeStream.maxFieldCount = aType.scope.referenceType().maxFieldCount;
} else {
ClassFile outermostClassFile = this.outerMostEnclosingClassFile();
this.codeStream.maxFieldCount = outermostClassFile.codeStream.maxFieldCount;
}
}
private boolean isRuntimeInvisible(Annotation annotation) {
final TypeBinding annotationBinding = annotation.resolvedType;
if (annotationBinding == null) {
return false;
}
long metaTagBits = annotationBinding.getAnnotationTagBits(); // could be forward reference
if ((metaTagBits & TagBits.AnnotationRetentionMASK) == 0)
return true; // by default the retention is CLASS
return (metaTagBits & TagBits.AnnotationRetentionMASK) == TagBits.AnnotationClassRetention;
}
private boolean isRuntimeVisible(Annotation annotation) {
final TypeBinding annotationBinding = annotation.resolvedType;
if (annotationBinding == null) {
return false;
}
long metaTagBits = annotationBinding.getAnnotationTagBits();
if ((metaTagBits & TagBits.AnnotationRetentionMASK) == 0)
return false; // by default the retention is CLASS
return (metaTagBits & TagBits.AnnotationRetentionMASK) == TagBits.AnnotationRuntimeRetention;
}
/**
* INTERNAL USE-ONLY
* Returns the most enclosing classfile of the receiver. This is used know to store the constant pool name
* for all inner types of the receiver.
* @return org.aspectj.org.eclipse.jdt.internal.compiler.codegen.ClassFile
*/
public ClassFile outerMostEnclosingClassFile() {
ClassFile current = this;
while (current.enclosingClassFile != null)
current = current.enclosingClassFile;
return current;
}
public void recordInnerClasses(TypeBinding binding) {
if (this.innerClassesBindings == null) {
this.innerClassesBindings = new HashSet(INNER_CLASSES_SIZE);
}
ReferenceBinding innerClass = (ReferenceBinding) binding;
this.innerClassesBindings.add(innerClass.erasure());
ReferenceBinding enclosingType = innerClass.enclosingType();
while (enclosingType != null
&& enclosingType.isNestedType()) {
this.innerClassesBindings.add(enclosingType.erasure());
enclosingType = enclosingType.enclosingType();
}
}
public void reset(SourceTypeBinding typeBinding) {
// the code stream is reinitialized for each method
final CompilerOptions options = typeBinding.scope.compilerOptions();
this.referenceBinding = typeBinding;
this.targetJDK = options.targetJDK;
this.produceAttributes = options.produceDebugAttributes;
if (this.targetJDK >= ClassFileConstants.JDK1_6) {
this.produceAttributes |= ClassFileConstants.ATTR_STACK_MAP;
}
this.bytes = null;
this.constantPool.reset();
this.codeStream.reset(this);
this.constantPoolOffset = 0;
this.contentsOffset = 0;
this.creatingProblemType = false;
this.enclosingClassFile = null;
this.headerOffset = 0;
this.methodCount = 0;
this.methodCountOffset = 0;
if (this.innerClassesBindings != null) {
this.innerClassesBindings.clear();
}
}
/**
* Resize the pool contents
*/
private final void resizeContents(int minimalSize) {
int length = this.contents.length;
int toAdd = length;
if (toAdd < minimalSize)
toAdd = minimalSize;
System.arraycopy(this.contents, 0, this.contents = new byte[length + toAdd], 0, length);
}
/**
* INTERNAL USE-ONLY
* This methods leaves the space for method counts recording.
*/
public void setForMethodInfos() {
// leave some space for the methodCount
methodCountOffset = contentsOffset;
contentsOffset += 2;
}
}