public Collection<Language> getAllExtendingLanguages(Language l) {
List<Language> result = new LinkedList<Language>();
for (Language lang : getAllModules(Language.class)) {
if (ModuleUtil.refsToLanguages(lang.getExtendedLanguageRefs()).contains(l)) {
result.add(lang);
}
}
return result;
}
public static boolean checkCyclicInheritance(Language lang) {
List<Language> frontier = ModuleUtil.refsToLanguages(lang.getExtendedLanguageRefs());
ArrayList<Language> passed = new ArrayList<Language>();
while (!frontier.isEmpty()) {
List<Language> newFrontier = new ArrayList<Language>();
for (Language extendedLang : frontier) {
if (extendedLang == lang && lang != BootstrapLanguages.coreLanguage()) {
return false;
}
if (!passed.contains(extendedLang)) {
newFrontier.addAll(ModuleUtil.refsToLanguages(extendedLang.getExtendedLanguageRefs()));
}
passed.add(extendedLang);
}
frontier = newFrontier;
}
return true;
}
private void fillInDevkits(Set<IModule> initialModules) {
myUsedDevkits = new HashSet<DevKit>();
for (IModule m : initialModules) {
if (m instanceof DevKit) {
DevKit dk = (DevKit) m;
myUsedDevkits.add(dk);
myUsedDevkits.addAll(dk.getAllExtendedDevkits());
}
for (DevKit dk : ModuleUtil.refsToDevkits(m.getUsedDevkitReferences())) {
myUsedDevkits.add(dk);
myUsedDevkits.addAll(dk.getAllExtendedDevkits());
}
}
}
