CVMTGroupNode *Parse() {
CToken *Token;
CVMTGroupNode *Group = 0;
// Consume all newlines.
Token = this->Tokenizer->Next();
while (Token->GetToken() == TOKEN_NEWLINE) {
Token = this->Tokenizer->Next();
}
if (Token->GetToken() == TOKEN_STRING || Token->GetToken() == TOKEN_QUOTED_STRING) {
Group = new CVMTGroupNode(Token->GetString());
} else {
throw "expected shader name";
}
// We *may* have a group, parse it.
this->Parse(Group);
if (uiVMTParseMode == PARSE_MODE_LOOSE) {
while (vlTrue) {
// Consume all newlines.
while (this->Tokenizer->Peek()->GetToken() == TOKEN_NEWLINE) {
Token = this->Tokenizer->Next();
}
CToken *Peek = this->Tokenizer->Peek();
if (Peek->GetToken() == TOKEN_EOF) {
break;
} else if (Peek->GetToken() == TOKEN_OPEN_BRACE) {
CVMTGroupNode *NextGroup = 0;
try{
NextGroup = new CVMTGroupNode("");
this->Parse(NextGroup);
}catch (char *cErrorMessage) {
delete NextGroup;
throw cErrorMessage;
}
for (vlUInt i = 0; i < NextGroup->GetNodeCount(); i++) {
Group->AddNode(NextGroup->GetNode(i)->Clone());
}
delete NextGroup;
} else {
throw "expected end of file";
}
}
} else {
// Consume all newlines.
Token = this->Tokenizer->Next();
while (Token->GetToken() == TOKEN_NEWLINE) {
Token = this->Tokenizer->Next();
}
if (Token->GetToken() != TOKEN_EOF) {
throw "expected end of file";
}
}
return Group;
}
