Function _glcpp_parser_expand_node

Compute the complete expansion of node, (and subsequent nodes after * 'node' in the case that 'node' is a function-like macro and * subsequent nodes are arguments). * * Returns NULL if node is a simple token with no expansion. * * Otherwise, returns the token list that results from the expansion * and sets *last to the last node in the list that was consumed by * the expansion. Specificall