diff options
Diffstat (limited to 'src/proguard/classfile/editor/ComparableConstant.java')
| -rw-r--r-- | src/proguard/classfile/editor/ComparableConstant.java | 83 |
1 files changed, 66 insertions, 17 deletions
diff --git a/src/proguard/classfile/editor/ComparableConstant.java b/src/proguard/classfile/editor/ComparableConstant.java index bb81221..ba5f3b1 100644 --- a/src/proguard/classfile/editor/ComparableConstant.java +++ b/src/proguard/classfile/editor/ComparableConstant.java @@ -2,7 +2,7 @@ * ProGuard -- shrinking, optimization, obfuscation, and preverification * of Java bytecode. * - * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu) + * Copyright (c) 2002-2011 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 @@ -39,7 +39,7 @@ class ComparableConstant extends SimplifiedVisitor implements Comparable, ConstantVisitor { - private static final int[] PRIORITIES = new int[13]; + private static final int[] PRIORITIES = new int[19]; static { PRIORITIES[ClassConstants.CONSTANT_Integer] = 0; // Possibly byte index (ldc). @@ -47,12 +47,15 @@ implements Comparable, ConstantVisitor PRIORITIES[ClassConstants.CONSTANT_String] = 2; PRIORITIES[ClassConstants.CONSTANT_Class] = 3; PRIORITIES[ClassConstants.CONSTANT_Long] = 4; // Always wide index (ldc2_w). - PRIORITIES[ClassConstants.CONSTANT_Double] = 5; - PRIORITIES[ClassConstants.CONSTANT_Fieldref] = 6; // Always wide index. - PRIORITIES[ClassConstants.CONSTANT_Methodref] = 7; - PRIORITIES[ClassConstants.CONSTANT_InterfaceMethodref] = 8; - PRIORITIES[ClassConstants.CONSTANT_NameAndType] = 9; - PRIORITIES[ClassConstants.CONSTANT_Utf8] = 10; + PRIORITIES[ClassConstants.CONSTANT_Double] = 5; // Always wide index (ldc2_w). + PRIORITIES[ClassConstants.CONSTANT_Fieldref] = 6; // Always wide index (getfield,...). + PRIORITIES[ClassConstants.CONSTANT_Methodref] = 7; // Always wide index (invokespecial,...). + PRIORITIES[ClassConstants.CONSTANT_InterfaceMethodref] = 8; // Always wide index (invokeinterface). + PRIORITIES[ClassConstants.CONSTANT_InvokeDynamic] = 9; // Always wide index (invokedynamic). + PRIORITIES[ClassConstants.CONSTANT_MethodHandle] = 10; + PRIORITIES[ClassConstants.CONSTANT_NameAndType] = 11; + PRIORITIES[ClassConstants.CONSTANT_MethodType] = 12; + PRIORITIES[ClassConstants.CONSTANT_Utf8] = 13; } private final Clazz clazz; @@ -122,26 +125,32 @@ implements Comparable, ConstantVisitor public void visitIntegerConstant(Clazz clazz, IntegerConstant integerConstant) { - // In JDK 1.4, we can use Integer.compare(a,b). - result = new Integer(integerConstant.getValue()).compareTo(new Integer(((IntegerConstant)otherConstant).getValue())); + int value = integerConstant.getValue(); + int otherValue = ((IntegerConstant)otherConstant).getValue(); + result = value < otherValue ? -1 : + value == otherValue ? 0 : + 1; } public void visitLongConstant(Clazz clazz, LongConstant longConstant) { - // In JDK 1.4, we can use Long.compare(a,b). - result = new Long(longConstant.getValue()).compareTo(new Long(((LongConstant)otherConstant).getValue())); + long value = longConstant.getValue(); + long otherValue = ((LongConstant)otherConstant).getValue(); + result = value < otherValue ? -1 : + value == otherValue ? 0 : + 1; } public void visitFloatConstant(Clazz clazz, FloatConstant floatConstant) { - // In JDK 1.4, we can use Float.compare(a,b). - result = new Float(floatConstant.getValue()).compareTo(new Float(((FloatConstant)otherConstant).getValue())); + result = Float.compare(floatConstant.getValue(), + ((FloatConstant)otherConstant).getValue()); } public void visitDoubleConstant(Clazz clazz, DoubleConstant doubleConstant) - { - // In JDK 1.4, we can use Double.compare(a,b). - result = new Double(doubleConstant.getValue()).compareTo(new Double(((DoubleConstant)otherConstant).getValue())); + { + result = Double.compare(doubleConstant.getValue(), + ((DoubleConstant)otherConstant).getValue()); } public void visitStringConstant(Clazz clazz, StringConstant stringConstant) @@ -154,6 +163,38 @@ implements Comparable, ConstantVisitor result = utf8Constant.getString().compareTo(((Utf8Constant)otherConstant).getString()); } + public void visitInvokeDynamicConstant(Clazz clazz, InvokeDynamicConstant invokeDynamicConstant) + { + InvokeDynamicConstant otherInvokeDynamicConstant = (InvokeDynamicConstant)otherConstant; + + int index = invokeDynamicConstant.getBootstrapMethodAttributeIndex(); + int otherIndex = otherInvokeDynamicConstant.getBootstrapMethodAttributeIndex(); + + result = index < otherIndex ? -1 : + index > otherIndex ? 1 : + (invokeDynamicConstant.getName(clazz) + ' ' + + invokeDynamicConstant.getType(clazz)) + .compareTo + (otherInvokeDynamicConstant.getName(clazz) + ' ' + + otherInvokeDynamicConstant.getType(clazz)); + } + + public void visitMethodHandleConstant(Clazz clazz, MethodHandleConstant methodHandleConstant) + { + MethodHandleConstant otherMethodHandleConstant = (MethodHandleConstant)otherConstant; + + int kind = methodHandleConstant.getReferenceKind(); + int otherKind = methodHandleConstant.getReferenceKind(); + + result = kind < otherKind ? -1 : + kind > otherKind ? 1 : + (methodHandleConstant.getName(clazz) + ' ' + + methodHandleConstant.getType(clazz)) + .compareTo + (otherMethodHandleConstant.getName(clazz) + ' ' + + otherMethodHandleConstant.getType(clazz)); + } + public void visitAnyRefConstant(Clazz clazz, RefConstant refConstant) { RefConstant otherRefConstant = (RefConstant)otherConstant; @@ -171,6 +212,14 @@ implements Comparable, ConstantVisitor result = classConstant.getName(clazz).compareTo(((ClassConstant)otherConstant).getName(clazz)); } + public void visitMethodTypeConstant(Clazz clazz, MethodTypeConstant MethodTypeConstant) + { + MethodTypeConstant otherMethodTypeConstant = (MethodTypeConstant)otherConstant; + result = MethodTypeConstant.getType(clazz) + .compareTo + (otherMethodTypeConstant.getType(clazz)); + } + public void visitNameAndTypeConstant(Clazz clazz, NameAndTypeConstant nameAndTypeConstant) { NameAndTypeConstant otherNameAndTypeConstant = (NameAndTypeConstant)otherConstant; |