/**
* Adds a cast check to compareTo methods. This helps Comparable types behave well in sorted
* collections which rely on Java's runtime type checking.
*/
@Override
public void endVisit(MethodDeclaration node) {
IMethodBinding binding = node.getMethodBinding();
if (!binding.getName().equals("compareTo") || node.getBody() == null) {
return;
}
ITypeBinding comparableType =
BindingUtil.findInterface(binding.getDeclaringClass(), "java.lang.Comparable");
if (comparableType == null) {
return;
}
ITypeBinding[] typeArguments = comparableType.getTypeArguments();
ITypeBinding[] parameterTypes = binding.getParameterTypes();
if (typeArguments.length != 1
|| parameterTypes.length != 1
|| !typeArguments[0].isEqualTo(parameterTypes[0])) {
return;
}
IVariableBinding param = node.getParameters().get(0).getVariableBinding();
FunctionInvocation castCheck = createCastCheck(typeArguments[0], new SimpleName(param));
if (castCheck != null) {
node.getBody().getStatements().add(0, new ExpressionStatement(castCheck));
}
}
@Override
public boolean visit(MethodDeclaration node) {
IMethodBinding binding = node.getMethodBinding();
if (binding.isConstructor()) {
List<SingleVariableDeclaration> params = node.getParameters();
if (params.size() > 0) {
IVariableBinding firstParam = params.get(0).getVariableBinding();
if (firstParam.getName().equals("outer$")) {
outerParam = firstParam;
}
}
}
return true;
}
@Override
public boolean visit(MethodDeclaration node) {
currentMethod = node.getMethodBinding();
count = 1;
return true;
}