@CompilerDirectives.TruffleBoundary
public void include(Node currentNode, DynamicObject module) {
assert RubyGuards.isRubyModule(module);
checkFrozen(currentNode);
// If the module we want to include already includes us, it is cyclic
if (ModuleOperations.includesModule(module, rubyModuleObject)) {
throw new RaiseException(
getContext().getCoreLibrary().argumentError("cyclic include detected", currentNode));
}
// We need to include the module ancestors in reverse order for a given inclusionPoint
ModuleChain inclusionPoint = this;
Deque<DynamicObject> modulesToInclude = new ArrayDeque<>();
for (DynamicObject ancestor : Layouts.MODULE.getFields(module).ancestors()) {
if (ModuleOperations.includesModule(rubyModuleObject, ancestor)) {
if (isIncludedModuleBeforeSuperClass(ancestor)) {
// Include the modules at the appropriate inclusionPoint
performIncludes(inclusionPoint, modulesToInclude);
assert modulesToInclude.isEmpty();
// We need to include the others after that module
inclusionPoint = parentModule;
while (inclusionPoint.getActualModule() != ancestor) {
inclusionPoint = inclusionPoint.getParentModule();
}
} else {
// Just ignore this module, as it is included above the superclass
}
} else {
modulesToInclude.push(ancestor);
}
}
performIncludes(inclusionPoint, modulesToInclude);
newVersion();
}
