string
Slice::Ruby::CodeVisitor::getInitializer(const TypePtr& p)
{
BuiltinPtr builtin = BuiltinPtr::dynamicCast(p);
if(builtin)
{
switch(builtin->kind())
{
case Builtin::KindBool:
{
return "false";
}
case Builtin::KindByte:
case Builtin::KindShort:
case Builtin::KindInt:
case Builtin::KindLong:
{
return "0";
}
case Builtin::KindFloat:
case Builtin::KindDouble:
{
return "0.0";
}
case Builtin::KindString:
{
return "''";
}
case Builtin::KindObject:
case Builtin::KindObjectProxy:
case Builtin::KindLocalObject:
{
return "nil";
}
}
}
EnumPtr en = EnumPtr::dynamicCast(p);
if(en)
{
EnumeratorList enums = en->getEnumerators();
return getAbsolute(en, IdentToUpper) + "::" + fixIdent(enums.front()->name(), IdentToUpper);
}
StructPtr st = StructPtr::dynamicCast(p);
if(st)
{
return getAbsolute(st, IdentToUpper) + ".new";
}
return "nil";
}
void
CodeVisitor::writeDefaultValue(const TypePtr& p)
{
BuiltinPtr builtin = BuiltinPtr::dynamicCast(p);
if(builtin)
{
switch(builtin->kind())
{
case Builtin::KindBool:
{
_out << "false";
break;
}
case Builtin::KindByte:
case Builtin::KindShort:
case Builtin::KindInt:
case Builtin::KindLong:
{
_out << "0";
break;
}
case Builtin::KindFloat:
case Builtin::KindDouble:
{
_out << "0.0";
break;
}
case Builtin::KindString:
{
_out << "''";
break;
}
case Builtin::KindObject:
case Builtin::KindObjectProxy:
case Builtin::KindLocalObject:
{
_out << "null";
break;
}
}
return;
}
EnumPtr en = EnumPtr::dynamicCast(p);
if(en)
{
EnumeratorList enums = en->getEnumerators();
_out << getAbsolute(en, _ns) << "::" << fixIdent(enums.front()->name());
return;
}
//
// PHP does not allow the following construct:
//
// function foo($theStruct=new MyStructType)
//
// Instead we use null as the default value and allocate an instance in
// the constructor.
//
StructPtr st = StructPtr::dynamicCast(p);
if(st)
{
_out << "null";
return;
}
_out << "null";
}