AsLexemes <Terminal_T, Nonterminal_T>
(this GrammarBase <Terminal_T, Nonterminal_T> .ParseTreeNode node)
where Terminal_T : struct, IComparable, IConvertible
where Nonterminal_T : struct, IComparable, IConvertible
{
return(node.Flatten().AsLexemes());
}
FirstSymbols <Terminal_T, Nonterminal_T>
(this GrammarBase <Terminal_T, Nonterminal_T> .Production production)
where Terminal_T : struct, IComparable, IConvertible
where Nonterminal_T : struct, IComparable, IConvertible
{
return(production.Rules.Where(r => r.Length > 0).Select(r => r.Symbols[0]).Distinct());
}
protected Parser(GrammarBase <Terminal_T, Nonterminal_T> g, LexerBase l)
{
Grammar = g;
Lexer = l; // Lazy lex
}
SearchAll <Terminal_T, Nonterminal_T>
(this IEnumerable <GrammarBase <Terminal_T, Nonterminal_T> .ParseTreeNode> nodes, GrammarBase <Terminal_T, Nonterminal_T> .Symbol sym, int start = 0)
where Terminal_T : struct, IComparable, IConvertible
where Nonterminal_T : struct, IComparable, IConvertible
{
return(nodes.Skip(start).SelectMany(n => n.SearchAll(sym)));
}
