void
CMVarNode::Update
(
CMVarNode* node
)
{
SetValue(node->GetValue());
SetValid(node->ValueIsValid());
// value or pointer
if (!node->HasChildren())
{
MakePointer(node->itsIsPointerFlag);
if (itsIsPointerFlag && HasChildren())
{
UpdateContent();
}
}
// struct or static array
else if (SameElements(node))
{
MakePointer(node->itsIsPointerFlag, kJFalse);
MergeChildren(node);
}
else
{
MakePointer(node->itsIsPointerFlag, kJFalse);
StealChildren(node);
}
}
void
CMVarNode::UpdateFailed
(
const JString& data
)
{
SetValue(data);
MakePointer(kJFalse);
SetValid(kJFalse); // faster after deleting children
}
int main()
#endif
{
try
{
MakePointer(NEW(Game()))->Run();
}
catch(Exception* exception)
{
std::ostringstream s;
MakePointer(exception)->PrintStack(s);
#ifdef PRODUCTION
std::fstream("error.txt", std::ios::out) << s.str() << '\n';
#else
std::cout << s.str() << '\n';
#endif
}
return 0;
}
ptr<File> FileSystem::TryLoadFile(const String& fileName)
{
try
{
return LoadFile(fileName);
}
catch(Exception* exception)
{
MakePointer(exception);
return 0;
}
}
void
CMVarNode::Receive
(
JBroadcaster* sender,
const Message& message
)
{
if (sender == CMGetLink() && ShouldUpdate(message))
{
// root node only
if (itsShouldUpdateFlag)
{
UpdateChildren();
}
else
{
itsNeedsUpdateFlag = kJTrue;
}
}
else if (sender == itsValueCommand &&
message.Is(CMVarCommand::kValueUpdated))
{
const CMVarCommand::ValueMessage& info =
dynamic_cast<const CMVarCommand::ValueMessage&>(message);
SetValid(kJTrue);
Update(info.GetRootNode());
}
else if (sender == itsValueCommand &&
message.Is(CMVarCommand::kValueFailed))
{
SetValue(itsValueCommand->GetData());
MakePointer(kJFalse);
}
else if (sender == itsContentCommand &&
message.Is(CMVarCommand::kValueUpdated))
{
const CMVarCommand::ValueMessage& info =
dynamic_cast<const CMVarCommand::ValueMessage&>(message);
CMVarNode* root = info.GetRootNode();
// value or pointer
if (!root->HasChildren())
{
DeleteAllChildren();
CMVarNode* child = (CMGetLink())->CreateVarNode(this, root->GetName(),
root->GetFullName(),
root->GetValue());
assert( child != NULL );
child->MakePointer(root->itsIsPointerFlag);
}
// struct or static array
else if (SameElements(root))
{
MergeChildren(root);
}
else
{
StealChildren(root);
}
}
else if (sender == itsContentCommand &&
message.Is(CMVarCommand::kValueFailed))
{
DeleteAllChildren();
CMVarNode* child = (CMGetLink())->CreateVarNode(this, "", "", itsContentCommand->GetData());
assert( child != NULL );
child->SetValid(kJFalse);
}
else
{
JNamedTreeNode::Receive(sender, message);
}
}
Type* Type::Read(Buffer *buf)
{
uint32_t kind = 0;
uint32_t width = 0;
uint32_t count = 0;
bool sign = false;
bool varargs = false;
String *name = NULL;
Type *target_type = NULL;
TypeCSU *csu_type = NULL;
Vector<Type*> argument_types;
Try(ReadOpenTag(buf, TAG_Type));
while (!ReadCloseTag(buf, TAG_Type)) {
switch (PeekOpenTag(buf)) {
case TAG_Kind: {
Try(!kind);
Try(ReadTagUInt32(buf, TAG_Kind, &kind));
break;
}
case TAG_Width: {
Try(ReadTagUInt32(buf, TAG_Width, &width));
break;
}
case TAG_Sign: {
Try(ReadTagEmpty(buf, TAG_Sign));
sign = true;
break;
}
case TAG_Name: {
Try(!name);
Try(kind == YK_CSU);
name = String::ReadWithTag(buf, TAG_Name);
break;
}
case TAG_Type: {
Try(!target_type);
Try(kind == YK_Pointer || kind == YK_Array || kind == YK_Function);
target_type = Type::Read(buf);
break;
}
case TAG_Count: {
Try(kind == YK_Array);
Try(ReadTagUInt32(buf, TAG_Count, &count));
break;
}
case TAG_TypeFunctionCSU: {
Try(!csu_type);
Try(ReadOpenTag(buf, TAG_TypeFunctionCSU));
csu_type = Type::Read(buf)->AsCSU();
Try(ReadCloseTag(buf, TAG_TypeFunctionCSU));
break;
}
case TAG_TypeFunctionVarArgs: {
Try(kind == YK_Function);
Try(ReadTagEmpty(buf, TAG_TypeFunctionVarArgs));
varargs = true;
break;
}
case TAG_TypeFunctionArguments: {
Try(kind == YK_Function);
Try(argument_types.Empty());
Try(ReadOpenTag(buf, TAG_TypeFunctionArguments));
while (!ReadCloseTag(buf, TAG_TypeFunctionArguments)) {
Type *ntype = Type::Read(buf);
argument_types.PushBack(ntype);
}
break;
}
default:
Try(false);
}
}
switch ((TypeKind)kind) {
case YK_Error:
return MakeError();
case YK_Void:
return MakeVoid();
case YK_Int:
return MakeInt(width, sign);
case YK_Float:
return MakeFloat(width);
case YK_Pointer:
Try(target_type);
return MakePointer(target_type, width);
case YK_Array:
Try(target_type);
return MakeArray(target_type, count);
case YK_CSU:
Try(name);
return MakeCSU(name);
case YK_Function:
Try(target_type);
return MakeFunction(target_type, csu_type, varargs, argument_types);
default:
Try(false);
}
}
