protected void markProgramMethodBody(ProgramClass programClass, ProgramMethod programMethod) {
// Mark the name and descriptor.
markConstant(programClass, programMethod.u2nameIndex);
markConstant(programClass, programMethod.u2descriptorIndex);
// Mark the attributes.
programMethod.attributesAccept(programClass, this);
// Mark the classes referenced in the descriptor string.
programMethod.referencedClassesAccept(this);
}
public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod) {
// Special cases: <clinit> and <init> are always kept unchanged.
// We can ignore them here.
String name = programMethod.getName(programClass);
if (name.equals(ClassConstants.INTERNAL_METHOD_NAME_CLINIT)
|| name.equals(ClassConstants.INTERNAL_METHOD_NAME_INIT)) {
return;
}
String newName = MemberObfuscator.newMemberName(programMethod);
if (newName != null) {
ps.println(
" "
+ lineNumberRange(programClass, programMethod)
+ ClassUtil.externalFullMethodDescription(
programClass.getName(),
0,
programMethod.getName(programClass),
programMethod.getDescriptor(programClass))
+ " -> "
+ newName);
}
}
public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod) {
// Update the descriptor if it has any unused parameters.
String descriptor = programMethod.getDescriptor(programClass);
String newDescriptor = shrinkDescriptor(programMethod, descriptor);
if (!descriptor.equals(newDescriptor)) {
// Shrink the signature and parameter annotations.
programMethod.attributesAccept(programClass, this);
String name = programMethod.getName(programClass);
String newName = name;
// Append a code, if the method isn't a class instance initializer.
if (!name.equals(ClassConstants.INTERNAL_METHOD_NAME_INIT)) {
newName +=
ClassConstants.SPECIAL_MEMBER_SEPARATOR
+ Long.toHexString(Math.abs((descriptor).hashCode()));
}
if (DEBUG) {
System.out.println("MethodDescriptorShrinker:");
System.out.println(" Class file = " + programClass.getName());
System.out.println(" Method name = " + name);
System.out.println(" -> " + newName);
System.out.println(" Method descriptor = " + descriptor);
System.out.println(" -> " + newDescriptor);
}
ConstantPoolEditor constantPoolEditor = new ConstantPoolEditor(programClass);
// Update the name, if necessary.
if (!newName.equals(name)) {
programMethod.u2nameIndex = constantPoolEditor.addUtf8Constant(newName);
}
// Update the referenced classes.
programMethod.referencedClasses =
shrinkReferencedClasses(programMethod, descriptor, programMethod.referencedClasses);
// Finally, update the descriptor itself.
programMethod.u2descriptorIndex = constantPoolEditor.addUtf8Constant(newDescriptor);
// Visit the method, if required.
if (extraMemberVisitor != null) {
extraMemberVisitor.visitProgramMethod(programClass, programMethod);
}
}
}