private static Dictionary <Nonterminal, Set <Terminal <TTokenKind> > > ComputeFollow(
Grammar <TTokenKind, TNonterminal> grammar,
IFirstSymbolsAnalyzer <TTokenKind> analyzer)
{
var(initFollowSets, graph) = DigraphAlgorithm.GetFollowGraph(grammar, analyzer);
var followSets = DigraphAlgorithm.Traverse(graph, initFollowSets);
var followMap = grammar.Nonterminals.ToDictionary(v => v, v => followSets[v.Index]);
return(followMap);
}
