FormalBinding[] bindings = new FormalBinding[baseArgumentCount];
for (int i = 0, len = baseArgumentCount; i < len; i++) {
Argument arg = arguments[i];
String name = new String(arg.name);
UnresolvedType type = world.fromBinding(parameters[i]);
bindings[i] = new FormalBinding(type, name, i, arg.sourceStart, arg.sourceEnd, "unknown");
}
EclipseScope scope = new EclipseScope(bindings, dec.scope);