/**
* Get a method's signature for dead code elimination purposes.
*
* <p>Since DeadCodeEliminator runs before InnerClassExtractor, inner class constructors do not
* yet have the parameter for capturing outer class, and therefore we need this special case.
*/
public static String getProGuardSignature(IMethodBinding binding) {
StringBuilder sb = new StringBuilder("(");
// If the method is an inner class constructor, prepend the outer class type.
if (binding.isConstructor()) {
ITypeBinding declClass = binding.getDeclaringClass();
ITypeBinding outerClass = declClass.getDeclaringClass();
if (outerClass != null
&& !declClass.isInterface()
&& !declClass.isAnnotation()
&& !Modifier.isStatic(declClass.getModifiers())) {
appendParameterSignature(outerClass.getErasure(), sb);
}
}
appendParametersSignature(binding, sb);
sb.append(')');
appendReturnTypeSignature(binding, sb);
return sb.toString();
}
@Override
public boolean visit(ClassInstanceCreation node) {
ITypeBinding newType = node.getTypeBinding().getTypeDeclaration();
ITypeBinding declaringClass = newType.getDeclaringClass();
if (Modifier.isStatic(newType.getModifiers()) || declaringClass == null) {
return true;
}
GeneratedMethodBinding binding =
new GeneratedMethodBinding(node.getMethodBinding().getMethodDeclaration());
node.setMethodBinding(binding);
addOuterArg(node, binding, declaringClass);
for (IVariableBinding capturedVar : getCapturedVariables(node)) {
node.getArguments().add(new SimpleName(capturedVar));
binding.addParameter(capturedVar.getType());
}
assert binding.isVarargs() || node.getArguments().size() == binding.getParameterTypes().length;
return true;
}
