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module director_classic_runme;
import std.exception;
import std.stdio;
import director_classic.Caller;
import director_classic.Person;
import director_classic.Child;
import director_classic.GrandChild;
import director_classic.OrphanPerson;
import director_classic.OrphanChild;
enum TRACE = false;
void main() {
{
scope person = new Person();
check(person, "Person");
}
{
scope person = new Child();
check(person, "Child");
}
{
scope person = new GrandChild();
check(person, "GrandChild");
}
{
scope person = new TargetLangPerson();
check(person, "TargetLangPerson");
}
{
scope person = new TargetLangChild();
check(person, "TargetLangChild");
}
{
scope person = new TargetLangGrandChild();
check(person, "TargetLangGrandChild");
}
// Semis - don't override id() in target language
{
scope person = new TargetLangSemiPerson();
check(person, "Person");
}
{
scope person = new TargetLangSemiChild();
check(person, "Child");
}
{
scope person = new TargetLangSemiGrandChild();
check(person, "GrandChild");
}
// Orphans - don't override id() in C++
{
scope person = new OrphanPerson();
check(person, "Person");
}
{
scope person = new OrphanChild();
check(person, "Child");
}
{
scope person = new TargetLangOrphanPerson();
check(person, "TargetLangOrphanPerson");
}
{
scope person = new TargetLangOrphanChild();
check(person, "TargetLangOrphanChild");
}
// Duals - id() makes an upcall to the base id()
{
scope person = new TargetLangDualPerson();
check(person, "TargetLangDualPerson + Person");
}
{
scope person = new TargetLangDualChild();
check(person, "TargetLangDualChild + Child");
}
{
scope person = new TargetLangDualGrandChild();
check(person, "TargetLangDualGrandChild + GrandChild");
}
// Mix Orphans and Duals
{
scope person = new TargetLangDualOrphanPerson();
check(person, "TargetLangDualOrphanPerson + Person");
}
{
scope person = new TargetLangDualOrphanChild();
check(person, "TargetLangDualOrphanChild + Child");
}
}
void check(Person person, string expected) {
string ret;
// Normal D polymorphic call.
ret = person.id();
if (TRACE) writeln(ret);
enforce(ret == expected, "Failed. Received: " ~ ret ~ " Expected: " ~ expected);
// Polymorphic call from C++.
auto caller = new Caller();
caller.setCallback(person);
ret = caller.call();
if (TRACE) writeln(ret);
enforce(ret == expected, "Failed. Received: " ~ ret ~ " Expected: " ~ expected);
// Polymorphic call of object created in D and passed to C++ and back again.
Person baseclass = caller.baseClass();
ret = baseclass.id();
if (TRACE) writeln(ret);
enforce(ret == expected, "Failed. Received: " ~ ret ~ " Expected: " ~ expected);
caller.resetCallback();
if (TRACE)
writeln("----------------------------------------");
}
// »Full« target language persons.
class TargetLangPerson : Person {
public override string id() {
return "TargetLangPerson";
}
}
class TargetLangChild : Child {
public override string id() {
return "TargetLangChild";
}
}
class TargetLangGrandChild : GrandChild {
public override string id() {
return "TargetLangGrandChild";
}
}
// Semis - don't override id() in target language
class TargetLangSemiPerson : Person {
// No id() override
}
class TargetLangSemiChild : Child {
// No id() override
}
class TargetLangSemiGrandChild : GrandChild {
// No id() override
}
// Orphans - don't override id() in C++
class TargetLangOrphanPerson : OrphanPerson {
public override string id() {
return "TargetLangOrphanPerson";
}
}
class TargetLangOrphanChild : OrphanChild {
public override string id() {
return "TargetLangOrphanChild";
}
}
// Duals - id() makes an upcall to the base id()
class TargetLangDualPerson : Person {
public override string id() {
return "TargetLangDualPerson + " ~ super.id();
}
}
class TargetLangDualChild : Child {
public override string id() {
return "TargetLangDualChild + " ~ super.id();
}
}
class TargetLangDualGrandChild : GrandChild {
public override string id() {
return "TargetLangDualGrandChild + " ~ super.id();
}
}
// Mix Orphans and Duals
class TargetLangDualOrphanPerson : OrphanPerson {
public override string id() {
return "TargetLangDualOrphanPerson + " ~ super.id();
}
}
class TargetLangDualOrphanChild : OrphanChild {
public override string id() {
return "TargetLangDualOrphanChild + " ~ super.id();
}
}
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