private static boolean derivesFrom(ICPPClassType derived, ICPPClassType target, int maxdepth) {
if (derived == target || derived.isSameType(target)) {
return true;
}
if (maxdepth > 0) {
for (ICPPBase cppBase : derived.getBases()) {
IBinding base = cppBase.getBaseClass();
if (base instanceof ICPPClassType) {
ICPPClassType tbase = (ICPPClassType) base;
if (tbase.isSameType(target)) {
return true;
}
if (derivesFrom(tbase, target, maxdepth - 1)) return true;
}
}
}
return false;
}
private boolean isAccessible(
IBinding binding,
int bindingVisibility,
ICPPClassType owner,
ICPPClassType derivedClass,
int accessLevel,
int depth) {
if (depth > CPPSemantics.MAX_INHERITANCE_DEPTH) return false;
accessLevel = getMemberAccessLevel(derivedClass, accessLevel);
if (owner.isSameType(derivedClass)) {
return isAccessible(bindingVisibility, accessLevel);
}
ICPPBase[] bases = derivedClass.getBases();
if (bases != null) {
for (ICPPBase base : bases) {
IBinding baseBinding = base.getBaseClass();
if (baseBinding instanceof ICPPDeferredClassInstance) {
// Support content assist for members of deferred instances.
baseBinding = ((ICPPDeferredClassInstance) baseBinding).getTemplateDefinition();
}
if (!(baseBinding instanceof ICPPClassType)) {
continue;
}
if (!isAccessible(base.getVisibility(), accessLevel)) {
continue;
}
if (isAccessible(
binding,
bindingVisibility,
owner,
(ICPPClassType) baseBinding,
accessLevel == v_private ? v_protected : accessLevel,
depth + 1)) {
return true;
}
}
}
return false;
}
private boolean isAccessibleBaseClass(ICPPClassType classType, ICPPClassType defived, int depth) {
if (depth > CPPSemantics.MAX_INHERITANCE_DEPTH) return false;
if (defived.isSameType(classType)) return true;
ICPPBase[] bases = defived.getBases();
if (bases != null) {
for (ICPPBase base : bases) {
IBinding baseClass = base.getBaseClass();
if (!(baseClass instanceof ICPPClassType)) {
continue;
}
if (depth > 0 && !isAccessible(base.getVisibility(), v_protected)) {
continue;
}
if (isAccessibleBaseClass(classType, (ICPPClassType) baseClass, depth + 1)) {
return true;
}
}
}
return false;
}