diff options
Diffstat (limited to 'src/proguard/shrink/UsageMarker.java')
| -rw-r--r-- | src/proguard/shrink/UsageMarker.java | 83 |
1 files changed, 56 insertions, 27 deletions
diff --git a/src/proguard/shrink/UsageMarker.java b/src/proguard/shrink/UsageMarker.java index 51210b5..88a88fd 100644 --- a/src/proguard/shrink/UsageMarker.java +++ b/src/proguard/shrink/UsageMarker.java @@ -2,7 +2,7 @@ * ProGuard -- shrinking, optimization, obfuscation, and preverification * of Java bytecode. * - * Copyright (c) 2002-2013 Eric Lafortune (eric@graphics.cornell.edu) + * 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 @@ -52,6 +52,7 @@ implements ClassVisitor, ExceptionInfoVisitor, StackMapFrameVisitor, VerificationTypeVisitor, + ParameterInfoVisitor, LocalVariableInfoVisitor, LocalVariableTypeInfoVisitor, // AnnotationVisitor, @@ -71,8 +72,8 @@ implements ClassVisitor, new MyNonEmptyMethodUsageMarker()); private final ConstantVisitor parameterlessConstructorMarker = new ConstantTagFilter(new int[] { ClassConstants.CONSTANT_String, ClassConstants.CONSTANT_Class }, new ReferencedClassVisitor( - new NamedMethodVisitor(ClassConstants.INTERNAL_METHOD_NAME_INIT, - ClassConstants.INTERNAL_METHOD_TYPE_INIT, + new NamedMethodVisitor(ClassConstants.METHOD_NAME_INIT, + ClassConstants.METHOD_TYPE_INIT, this))); // Implementations for ClassVisitor. @@ -105,8 +106,8 @@ implements ClassVisitor, interfaceUsageMarker); // Explicitly mark the <clinit> method, if it's not empty. - programClass.methodAccept(ClassConstants.INTERNAL_METHOD_NAME_CLINIT, - ClassConstants.INTERNAL_METHOD_TYPE_CLINIT, + programClass.methodAccept(ClassConstants.METHOD_NAME_CLINIT, + ClassConstants.METHOD_TYPE_CLINIT, nonEmptyMethodUsageMarker); // Process all class members that have already been marked as possibly used. @@ -355,18 +356,18 @@ implements ClassVisitor, { int accessFlags = method.getAccessFlags(); if ((accessFlags & - (ClassConstants.INTERNAL_ACC_PRIVATE | - ClassConstants.INTERNAL_ACC_STATIC)) == 0 && + (ClassConstants.ACC_PRIVATE | + ClassConstants.ACC_STATIC)) == 0 && !ClassUtil.isInitializer(method.getName(clazz))) { // We can skip private and static methods in the hierarchy, and // also abstract methods, unless they might widen a current // non-public access. int requiredUnsetAccessFlags = - ClassConstants.INTERNAL_ACC_PRIVATE | - ClassConstants.INTERNAL_ACC_STATIC | - ((accessFlags & ClassConstants.INTERNAL_ACC_PUBLIC) == 0 ? 0 : - ClassConstants.INTERNAL_ACC_ABSTRACT); + ClassConstants.ACC_PRIVATE | + ClassConstants.ACC_STATIC | + ((accessFlags & ClassConstants.ACC_PUBLIC) == 0 ? 0 : + ClassConstants.ACC_ABSTRACT); clazz.accept(new ConcreteClassDownTraveler( new ClassHierarchyTraveler(true, true, false, true, @@ -448,6 +449,9 @@ implements ClassVisitor, markConstant(clazz, invokeDynamicConstant.u2nameAndTypeIndex); + // Mark the referenced descriptor classes. + invokeDynamicConstant.referencedClassesAccept(this); + // Mark the bootstrap methods attribute. clazz.attributesAccept(new MyBootStrapMethodUsageMarker(invokeDynamicConstant.u2bootstrapMethodAttributeIndex)); } @@ -507,6 +511,9 @@ implements ClassVisitor, markAsUsed(methodTypeConstant); markConstant(clazz, methodTypeConstant.u2descriptorIndex); + + // Mark the referenced descriptor classes. + methodTypeConstant.referencedClassesAccept(this); } } @@ -553,11 +560,11 @@ implements ClassVisitor, markAsUsed(bootstrapMethodsAttribute); markConstant(clazz, bootstrapMethodsAttribute.u2attributeNameIndex); - - bootstrapMethodsAttribute.bootstrapMethodEntryAccept(clazz, - bootstrapMethodIndex, - this); } + + bootstrapMethodsAttribute.bootstrapMethodEntryAccept(clazz, + bootstrapMethodIndex, + this); } @@ -658,12 +665,15 @@ implements ClassVisitor, public void visitSignatureAttribute(Clazz clazz, SignatureAttribute signatureAttribute) { - // Don't mark the attribute and its contents yet. We may mark them later, - // in SignatureUsageMarker. - //markAsUsed(signatureAttribute); - // - //markConstant(clazz, signatureAttribute.u2attributeNameIndex); - //markConstant(clazz, signatureAttribute.u2signatureIndex); + markAsUsed(signatureAttribute); + + markConstant(clazz, signatureAttribute.u2attributeNameIndex); + markConstant(clazz, signatureAttribute.u2signatureIndex); + + // Don't mark the referenced classes. We'll clean them up in + // ClassShrinker, if they appear unused. + //// Mark the classes referenced in the descriptor string. + //signatureAttribute.referencedClassesAccept(this); } @@ -676,6 +686,17 @@ implements ClassVisitor, } + public void visitMethodParametersAttribute(Clazz clazz, Method method, MethodParametersAttribute methodParametersAttribute) + { + markAsUsed(methodParametersAttribute); + + markConstant(clazz, methodParametersAttribute.u2attributeNameIndex); + + // Mark the constant pool entries referenced by the parameter information. + methodParametersAttribute.parametersAccept(clazz, method, this); + } + + public void visitExceptionsAttribute(Clazz clazz, Method method, ExceptionsAttribute exceptionsAttribute) { markAsUsed(exceptionsAttribute); @@ -787,12 +808,12 @@ implements ClassVisitor, { // Don't mark the attribute and its contents yet. We may mark them later, // in AnnotationUsageMarker. -// markAsUsed(annotationDefaultAttribute); -// -// markConstant(clazz, annotationDefaultAttribute.u2attributeNameIndex); -// -// // Mark the constant pool entries referenced by the element value. -// annotationDefaultAttribute.defaultValueAccept(clazz, this); + //markAsUsed(annotationDefaultAttribute); + // + //markConstant(clazz, annotationDefaultAttribute.u2attributeNameIndex); + // + //// Mark the constant pool entries referenced by the element value. + //annotationDefaultAttribute.defaultValueAccept(clazz, this); } @@ -865,6 +886,14 @@ implements ClassVisitor, } + // Implementations for ParameterInfoVisitor. + + public void visitParameterInfo(Clazz clazz, Method method, int parameterIndex, ParameterInfo parameterInfo) + { + markConstant(clazz, parameterInfo.u2nameIndex); + } + + // Implementations for LocalVariableInfoVisitor. public void visitLocalVariableInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableInfo localVariableInfo) |