Expression *EqualExp::op_overload(Scope *sc)
{
//printf("EqualExp::op_overload() (%s)\n", toChars());
Type *t1 = e1->type->toBasetype();
Type *t2 = e2->type->toBasetype();
if (t1->ty == Tclass && t2->ty == Tclass)
{
/* Rewrite as:
* .object.opEquals(cast(Object)e1, cast(Object)e2)
* The explicit cast is necessary for interfaces,
* see http://d.puremagic.com/issues/show_bug.cgi?id=4088
*/
Expression *e1x = e1; //new CastExp(loc, e1, ClassDeclaration::object->getType());
Expression *e2x = e2; //new CastExp(loc, e2, ClassDeclaration::object->getType());
Expression *e = new IdentifierExp(loc, Id::empty);
e = new DotIdExp(loc, e, Id::object);
e = new DotIdExp(loc, e, Id::eq);
e = new CallExp(loc, e, e1x, e2x);
e = e->semantic(sc);
return e;
}
return compare_overload(sc, Id::eq);
}
Expression *EqualExp::op_overload(Scope *sc)
{
//printf("EqualExp::op_overload() (%s)\n", toChars());
Type *t1 = e1->type->toBasetype();
Type *t2 = e2->type->toBasetype();
if (t1->ty == Tclass && t2->ty == Tclass)
{
/* Rewrite as:
* .object.opEquals(e1, e2)
*/
Expression *e = new IdentifierExp(loc, Id::empty);
e = new DotIdExp(loc, e, Id::object);
e = new DotIdExp(loc, e, Id::eq);
e = new CallExp(loc, e, e1, e2);
e = e->semantic(sc);
return e;
}
return compare_overload(sc, Id::eq);
}
Expression *EqualExp::op_overload(Scope *sc)
{
//printf("EqualExp::op_overload() (%s)\n", toChars());
Type *t1 = e1->type->toBasetype();
Type *t2 = e2->type->toBasetype();
if (t1->ty == Tclass && t2->ty == Tclass)
{ ClassDeclaration *cd1 = t1->isClassHandle();
ClassDeclaration *cd2 = t2->isClassHandle();
if (!(cd1->isCPPinterface() || cd2->isCPPinterface()))
{
/* Rewrite as:
* .object.opEquals(e1, e2)
*/
Expression *e1x = e1;
Expression *e2x = e2;
/*
* The explicit cast is necessary for interfaces,
* see http://d.puremagic.com/issues/show_bug.cgi?id=4088
*/
Type *to = ClassDeclaration::object->getType();
if (cd1->isInterfaceDeclaration())
e1x = new CastExp(loc, e1, t1->isMutable() ? to : to->constOf());
if (cd2->isInterfaceDeclaration())
e2x = new CastExp(loc, e2, t2->isMutable() ? to : to->constOf());
Expression *e = new IdentifierExp(loc, Id::empty);
e = new DotIdExp(loc, e, Id::object);
e = new DotIdExp(loc, e, Id::eq);
e = new CallExp(loc, e, e1x, e2x);
e = e->semantic(sc);
return e;
}
}
return compare_overload(sc, Id::eq);
}
Expression *CmpExp::op_overload(Scope *sc)
{
//printf("CmpExp::op_overload() (%s)\n", toChars());
return compare_overload(sc, Id::cmp);
}
