231   llvm::yaml::document_iterator I = YAMLStream.begin();  in parse()
236   llvm::yaml::Node *Root = I->getRoot();  in parse()
241   llvm::yaml::SequenceNode *Array = dyn_cast<llvm::yaml::SequenceNode>(Root);  in parse()
246   for (llvm::yaml::SequenceNode::iterator AI = Array->begin(),  in parse()
249     llvm::yaml::MappingNode *Object = dyn_cast<llvm::yaml::MappingNode>(&*AI);  in parse()
254     llvm::yaml::ScalarNode *Directory = nullptr;  in parse()
255     llvm::yaml::ScalarNode *Command = nullptr;  in parse()
256     llvm::yaml::ScalarNode *File = nullptr;  in parse()
257     for (llvm::yaml::MappingNode::iterator KVI = Object->begin(),  in parse()
260       llvm::yaml::Node *Value = (*KVI).getValue();  in parse()
265       llvm::yaml::ScalarNode *ValueString =  in parse()
266           dyn_cast<llvm::yaml::ScalarNode>(Value);  in parse()
271       llvm::yaml::ScalarNode *KeyString =  in parse()
272           dyn_cast<llvm::yaml::ScalarNode>((*KVI).getKey());  in parse()