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Diffstat (limited to 'src/proguard/classfile/editor/AttributeAdder.java')
| -rw-r--r-- | src/proguard/classfile/editor/AttributeAdder.java | 487 |
1 files changed, 0 insertions, 487 deletions
diff --git a/src/proguard/classfile/editor/AttributeAdder.java b/src/proguard/classfile/editor/AttributeAdder.java deleted file mode 100644 index 9abea45..0000000 --- a/src/proguard/classfile/editor/AttributeAdder.java +++ /dev/null @@ -1,487 +0,0 @@ -/* - * ProGuard -- shrinking, optimization, obfuscation, and preverification - * of Java bytecode. - * - * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -package proguard.classfile.editor; - -import proguard.classfile.*; -import proguard.classfile.attribute.*; -import proguard.classfile.attribute.annotation.*; -import proguard.classfile.attribute.preverification.*; -import proguard.classfile.attribute.visitor.AttributeVisitor; -import proguard.classfile.util.SimplifiedVisitor; - -import java.lang.reflect.Array; -import java.util.Arrays; - -/** - * This AttributeVisitor adds all attributes that it visits to the given - * target class, class member, or attribute. - * - * @author Eric Lafortune - */ -public class AttributeAdder -extends SimplifiedVisitor -implements AttributeVisitor -{ - private static final byte[] EMPTY_BYTES = new byte[0]; - private static final int[] EMPTY_INTS = new int[0]; - private static final Attribute[] EMPTY_ATTRIBUTES = new Attribute[0]; - private static final ExceptionInfo[] EMPTY_EXCEPTIONS = new ExceptionInfo[0]; - private static final Annotation[] EMPTY_ANNOTATIONS = new Annotation[0]; - - - private final ProgramClass targetClass; - private final ProgramMember targetMember; - private final CodeAttribute targetCodeAttribute; - private final boolean replaceAttributes; - - private final ConstantAdder constantAdder; - private final AttributesEditor attributesEditor; - - - /** - * Creates a new AttributeAdder that will copy attributes into the given - * target class. - */ - public AttributeAdder(ProgramClass targetClass, - boolean replaceAttributes) - { - this(targetClass, null, null, replaceAttributes); - } - - - /** - * Creates a new AttributeAdder that will copy attributes into the given - * target class member. - */ - public AttributeAdder(ProgramClass targetClass, - ProgramMember targetMember, - boolean replaceAttributes) - { - this(targetClass, targetMember, null, replaceAttributes); - } - - - /** - * Creates a new AttributeAdder that will copy attributes into the given - * target attribute. - */ - public AttributeAdder(ProgramClass targetClass, - ProgramMember targetMember, - CodeAttribute targetCodeAttribute, - boolean replaceAttributes) - { - this.targetClass = targetClass; - this.targetMember = targetMember; - this.targetCodeAttribute = targetCodeAttribute; - this.replaceAttributes = replaceAttributes; - - constantAdder = new ConstantAdder(targetClass); - attributesEditor = new AttributesEditor(targetClass, - targetMember, - targetCodeAttribute, - replaceAttributes); - } - - - // Implementations for AttributeVisitor. - - public void visitUnknownAttribute(Clazz clazz, UnknownAttribute unknownAttribute) - { - // Create a copy of the attribute. - UnknownAttribute newUnknownAttribute = - new UnknownAttribute(constantAdder.addConstant(clazz, unknownAttribute.u2attributeNameIndex), - unknownAttribute.u4attributeLength, - unknownAttribute.info); - - // Add it to the target class. - attributesEditor.addAttribute(newUnknownAttribute); - } - - - public void visitSourceFileAttribute(Clazz clazz, SourceFileAttribute sourceFileAttribute) - { - // Create a copy of the attribute. - SourceFileAttribute newSourceFileAttribute = - new SourceFileAttribute(constantAdder.addConstant(clazz, sourceFileAttribute.u2attributeNameIndex), - constantAdder.addConstant(clazz, sourceFileAttribute.u2sourceFileIndex)); - - // Add it to the target class. - attributesEditor.addAttribute(newSourceFileAttribute); - } - - - public void visitSourceDirAttribute(Clazz clazz, SourceDirAttribute sourceDirAttribute) - { - // Create a copy of the attribute. - SourceDirAttribute newSourceDirAttribute = - new SourceDirAttribute(constantAdder.addConstant(clazz, sourceDirAttribute.u2attributeNameIndex), - constantAdder.addConstant(clazz, sourceDirAttribute.u2sourceDirIndex)); - - // Add it to the target class. - attributesEditor.addAttribute(newSourceDirAttribute); - } - - - public void visitInnerClassesAttribute(Clazz clazz, InnerClassesAttribute innerClassesAttribute) - { - // Create a copy of the attribute. - InnerClassesAttribute newInnerClassesAttribute = - new InnerClassesAttribute(constantAdder.addConstant(clazz, innerClassesAttribute.u2attributeNameIndex), - 0, - null); - - // Add it to the target class. - attributesEditor.addAttribute(newInnerClassesAttribute); - } - - - public void visitEnclosingMethodAttribute(Clazz clazz, EnclosingMethodAttribute enclosingMethodAttribute) - { - // Create a copy of the attribute. - EnclosingMethodAttribute newEnclosingMethodAttribute = - new EnclosingMethodAttribute(constantAdder.addConstant(clazz, enclosingMethodAttribute.u2attributeNameIndex), - constantAdder.addConstant(clazz, enclosingMethodAttribute.u2classIndex), - enclosingMethodAttribute.u2nameAndTypeIndex == 0 ? 0 : - constantAdder.addConstant(clazz, enclosingMethodAttribute.u2nameAndTypeIndex)); - - newEnclosingMethodAttribute.referencedClass = enclosingMethodAttribute.referencedClass; - newEnclosingMethodAttribute.referencedMethod = enclosingMethodAttribute.referencedMethod; - - // Add it to the target class. - attributesEditor.addAttribute(newEnclosingMethodAttribute); - } - - - public void visitDeprecatedAttribute(Clazz clazz, DeprecatedAttribute deprecatedAttribute) - { - // Create a copy of the attribute. - DeprecatedAttribute newDeprecatedAttribute = - new DeprecatedAttribute(constantAdder.addConstant(clazz, deprecatedAttribute.u2attributeNameIndex)); - - // Add it to the target. - attributesEditor.addAttribute(newDeprecatedAttribute); - } - - - public void visitSyntheticAttribute(Clazz clazz, SyntheticAttribute syntheticAttribute) - { - // Create a copy of the attribute. - SyntheticAttribute newSyntheticAttribute = - new SyntheticAttribute(constantAdder.addConstant(clazz, syntheticAttribute.u2attributeNameIndex)); - - // Add it to the target. - attributesEditor.addAttribute(newSyntheticAttribute); - } - - - public void visitSignatureAttribute(Clazz clazz, SignatureAttribute signatureAttribute) - { - // Create a copy of the attribute. - SignatureAttribute newSignatureAttribute = - new SignatureAttribute(constantAdder.addConstant(clazz, signatureAttribute.u2attributeNameIndex), - constantAdder.addConstant(clazz, signatureAttribute.u2signatureIndex)); - - newSignatureAttribute.referencedClasses = signatureAttribute.referencedClasses; - - // Add it to the target. - attributesEditor.addAttribute(newSignatureAttribute); - } - - - public void visitConstantValueAttribute(Clazz clazz, Field field, ConstantValueAttribute constantValueAttribute) - { - // Create a copy of the attribute. - ConstantValueAttribute newConstantValueAttribute = - new ConstantValueAttribute(constantAdder.addConstant(clazz, constantValueAttribute.u2attributeNameIndex), - constantAdder.addConstant(clazz, constantValueAttribute.u2constantValueIndex)); - - // Add it to the target field. - attributesEditor.addAttribute(newConstantValueAttribute); - } - - - public void visitMethodParametersAttribute(Clazz clazz, Method method, MethodParametersAttribute methodParametersAttribute) - { - // Create a new local variable table attribute. - MethodParametersAttribute newMethodParametersAttribute = - new MethodParametersAttribute(constantAdder.addConstant(clazz, methodParametersAttribute.u2attributeNameIndex), - methodParametersAttribute.u1parametersCount, - new ParameterInfo[methodParametersAttribute.u1parametersCount]); - - // Add the local variables. - methodParametersAttribute.parametersAccept(clazz, - method, - new ParameterInfoAdder(targetClass, newMethodParametersAttribute)); - - // Add it to the target. - attributesEditor.addAttribute(newMethodParametersAttribute); - } - - - public void visitExceptionsAttribute(Clazz clazz, Method method, ExceptionsAttribute exceptionsAttribute) - { - // Create a new exceptions attribute. - ExceptionsAttribute newExceptionsAttribute = - new ExceptionsAttribute(constantAdder.addConstant(clazz, exceptionsAttribute.u2attributeNameIndex), - 0, - exceptionsAttribute.u2exceptionIndexTableLength > 0 ? - new int[exceptionsAttribute.u2exceptionIndexTableLength] : - EMPTY_INTS); - - // Add the exceptions. - exceptionsAttribute.exceptionEntriesAccept((ProgramClass)clazz, - new ExceptionAdder(targetClass, - newExceptionsAttribute)); - - // Add it to the target method. - attributesEditor.addAttribute(newExceptionsAttribute); - } - - - public void visitCodeAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute) - { - // Create a new code attribute. - CodeAttribute newCodeAttribute = - new CodeAttribute(constantAdder.addConstant(clazz, codeAttribute.u2attributeNameIndex), - codeAttribute.u2maxStack, - codeAttribute.u2maxLocals, - 0, - EMPTY_BYTES, - 0, - codeAttribute.u2exceptionTableLength > 0 ? - new ExceptionInfo[codeAttribute.u2exceptionTableLength] : - EMPTY_EXCEPTIONS, - 0, - codeAttribute.u2attributesCount > 0 ? - new Attribute[codeAttribute.u2attributesCount] : - EMPTY_ATTRIBUTES); - - CodeAttributeComposer codeAttributeComposer = new CodeAttributeComposer(); - - codeAttributeComposer.beginCodeFragment(codeAttribute.u4codeLength + 32); - - // Add the instructions. - codeAttribute.instructionsAccept(clazz, - method, - new InstructionAdder(targetClass, - codeAttributeComposer)); - - // Append a label just after the code. - codeAttributeComposer.appendLabel(codeAttribute.u4codeLength); - - // Add the exceptions. - codeAttribute.exceptionsAccept(clazz, - method, - new ExceptionInfoAdder(targetClass, - codeAttributeComposer)); - - codeAttributeComposer.endCodeFragment(); - - // Add the attributes. - codeAttribute.attributesAccept(clazz, - method, - new AttributeAdder(targetClass, - targetMember, - newCodeAttribute, - replaceAttributes)); - - // Apply these changes to the new code attribute. - codeAttributeComposer.visitCodeAttribute(targetClass, - (Method)targetMember, - newCodeAttribute); - - // Add the completed code attribute to the target method. - attributesEditor.addAttribute(newCodeAttribute); - } - - - public void visitStackMapAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, StackMapAttribute stackMapAttribute) - { - // TODO: Implement method. - } - - - public void visitStackMapTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, StackMapTableAttribute stackMapTableAttribute) - { - // TODO: Implement method. - } - - - public void visitLineNumberTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, LineNumberTableAttribute lineNumberTableAttribute) - { - // Create a new line number table attribute. - LineNumberTableAttribute newLineNumberTableAttribute = - new LineNumberTableAttribute(constantAdder.addConstant(clazz, lineNumberTableAttribute.u2attributeNameIndex), - 0, - new LineNumberInfo[lineNumberTableAttribute.u2lineNumberTableLength]); - - // Add the line numbers. - lineNumberTableAttribute.lineNumbersAccept(clazz, - method, - codeAttribute, - new LineNumberInfoAdder(newLineNumberTableAttribute)); - - // Add it to the target. - attributesEditor.addAttribute(newLineNumberTableAttribute); - } - - - public void visitLocalVariableTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableTableAttribute localVariableTableAttribute) - { - // Create a new local variable table attribute. - LocalVariableTableAttribute newLocalVariableTableAttribute = - new LocalVariableTableAttribute(constantAdder.addConstant(clazz, localVariableTableAttribute.u2attributeNameIndex), - 0, - new LocalVariableInfo[localVariableTableAttribute.u2localVariableTableLength]); - - // Add the local variables. - localVariableTableAttribute.localVariablesAccept(clazz, - method, - codeAttribute, - new LocalVariableInfoAdder(targetClass, newLocalVariableTableAttribute)); - - // Add it to the target. - attributesEditor.addAttribute(newLocalVariableTableAttribute); - } - - - public void visitLocalVariableTypeTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableTypeTableAttribute localVariableTypeTableAttribute) - { - // Create a new local variable type table attribute. - LocalVariableTypeTableAttribute newLocalVariableTypeTableAttribute = - new LocalVariableTypeTableAttribute(constantAdder.addConstant(clazz, localVariableTypeTableAttribute.u2attributeNameIndex), - 0, - new LocalVariableTypeInfo[localVariableTypeTableAttribute.u2localVariableTypeTableLength]); - - // Add the local variable types. - localVariableTypeTableAttribute.localVariablesAccept(clazz, - method, - codeAttribute, - new LocalVariableTypeInfoAdder(targetClass, newLocalVariableTypeTableAttribute)); - - // Add it to the target. - attributesEditor.addAttribute(newLocalVariableTypeTableAttribute); - } - - - public void visitRuntimeVisibleAnnotationsAttribute(Clazz clazz, RuntimeVisibleAnnotationsAttribute runtimeVisibleAnnotationsAttribute) - { - // Create a new annotations attribute. - RuntimeVisibleAnnotationsAttribute newAnnotationsAttribute = - new RuntimeVisibleAnnotationsAttribute(constantAdder.addConstant(clazz, runtimeVisibleAnnotationsAttribute.u2attributeNameIndex), - 0, - new Annotation[runtimeVisibleAnnotationsAttribute.u2annotationsCount]); - - // Add the annotations. - runtimeVisibleAnnotationsAttribute.annotationsAccept(clazz, - new AnnotationAdder(targetClass, - newAnnotationsAttribute)); - - // Add it to the target. - attributesEditor.addAttribute(newAnnotationsAttribute); - } - - - public void visitRuntimeInvisibleAnnotationsAttribute(Clazz clazz, RuntimeInvisibleAnnotationsAttribute runtimeInvisibleAnnotationsAttribute) - { - // Create a new annotations attribute. - RuntimeInvisibleAnnotationsAttribute newAnnotationsAttribute = - new RuntimeInvisibleAnnotationsAttribute(constantAdder.addConstant(clazz, runtimeInvisibleAnnotationsAttribute.u2attributeNameIndex), - 0, - new Annotation[runtimeInvisibleAnnotationsAttribute.u2annotationsCount]); - - // Add the annotations. - runtimeInvisibleAnnotationsAttribute.annotationsAccept(clazz, - new AnnotationAdder(targetClass, - newAnnotationsAttribute)); - - // Add it to the target. - attributesEditor.addAttribute(newAnnotationsAttribute); - } - - - public void visitRuntimeVisibleParameterAnnotationsAttribute(Clazz clazz, Method method, RuntimeVisibleParameterAnnotationsAttribute runtimeVisibleParameterAnnotationsAttribute) - { - // Create a new annotations attribute. - Annotation[][] parameterAnnotations = - new Annotation[runtimeVisibleParameterAnnotationsAttribute.u1parametersCount][]; - - Arrays.fill(parameterAnnotations, EMPTY_ANNOTATIONS); - - RuntimeVisibleParameterAnnotationsAttribute newParameterAnnotationsAttribute = - new RuntimeVisibleParameterAnnotationsAttribute(constantAdder.addConstant(clazz, runtimeVisibleParameterAnnotationsAttribute.u2attributeNameIndex), - 0, - new int[runtimeVisibleParameterAnnotationsAttribute.u1parametersCount], - parameterAnnotations); - - // Add the annotations. - runtimeVisibleParameterAnnotationsAttribute.annotationsAccept(clazz, - method, - new AnnotationAdder(targetClass, - newParameterAnnotationsAttribute)); - - // Add it to the target. - attributesEditor.addAttribute(newParameterAnnotationsAttribute); - } - - - public void visitRuntimeInvisibleParameterAnnotationsAttribute(Clazz clazz, Method method, RuntimeInvisibleParameterAnnotationsAttribute runtimeInvisibleParameterAnnotationsAttribute) - { - // Create a new annotations attribute. - Annotation[][] parameterAnnotations = - new Annotation[runtimeInvisibleParameterAnnotationsAttribute.u1parametersCount][]; - - Arrays.fill(parameterAnnotations, EMPTY_ANNOTATIONS); - - RuntimeInvisibleParameterAnnotationsAttribute newParameterAnnotationsAttribute = - new RuntimeInvisibleParameterAnnotationsAttribute(constantAdder.addConstant(clazz, runtimeInvisibleParameterAnnotationsAttribute.u2attributeNameIndex), - 0, - new int[runtimeInvisibleParameterAnnotationsAttribute.u1parametersCount], - parameterAnnotations); - - // Add the annotations. - runtimeInvisibleParameterAnnotationsAttribute.annotationsAccept(clazz, - method, - new AnnotationAdder(targetClass, - newParameterAnnotationsAttribute)); - - // Add it to the target. - attributesEditor.addAttribute(newParameterAnnotationsAttribute); - } - - - public void visitAnnotationDefaultAttribute(Clazz clazz, Method method, AnnotationDefaultAttribute annotationDefaultAttribute) - { - // Create a new annotation default attribute. - AnnotationDefaultAttribute newAnnotationDefaultAttribute = - new AnnotationDefaultAttribute(constantAdder.addConstant(clazz, annotationDefaultAttribute.u2attributeNameIndex), - null); - - // Add the annotations. - annotationDefaultAttribute.defaultValueAccept(clazz, - new ElementValueAdder(targetClass, - newAnnotationDefaultAttribute, - false)); - - // Add it to the target. - attributesEditor.addAttribute(newAnnotationDefaultAttribute); - } -} |