protected static int getAnnotatedTemplateTypeVariableIndexInArguments(TypeVariable<?> var) {
GenericDeclaration d = var.getGenericDeclaration();
AnnotatedElement e = (AnnotatedElement) d;
Template t = e.getAnnotation(Template.class);
if (t == null)
throw new RuntimeException(
e
+ " is not a C++ class template (misses the @"
+ Template.class.getName()
+ " annotation)");
int iTypeVar = Arrays.asList(d.getTypeParameters()).indexOf(var);
int nTypes = 0, iParam = -1;
Class<?>[] values = t.value();
for (int i = 0, n = values.length; i < n; i++) {
Class<?> c = values[i];
if (c == Class.class || c == Type.class) nTypes++;
if (nTypes == iTypeVar) {
iParam = i;
break;
}
}
if (iParam < 0)
throw new RuntimeException(
"Couldn't find the type variable "
+ var
+ " (offset "
+ iTypeVar
+ ") in the @"
+ Template.class.getName()
+ " annotation : "
+ Arrays.asList(values));
return iParam;
}
public static String declarationToString(@NotNull GenericDeclaration anInterface) {
return anInterface.toString()
+ Arrays.asList(anInterface.getTypeParameters())
+ " loaded by "
+ ((Class) anInterface).getClassLoader();
}