BNFNode :: symbol - Get symbol name for BNF node
The function returns the symbol name for the BNFNode, i.e the name defined in the BNF definition as symbol name (left side).
Return value: BNF symbol name ( odaba::String & )
The BNF symbol name is a name that has been defined as symbol in the BNF parser definition.
Implementation details
odaba::String
BNFNode :: symbol ( )
The function returns the symbol name for the BNFNode. When the BNFNode is not valid, the function throws an exception.