public SimpleGrammar(ScannerMatchMode scannerMatchMode, List <TerminalSymbol> terminals, List <ProductionRule> rules)
{
Validation.Requires <ArgumentNullException>(() => terminals != null, $"{nameof(terminals)} is required.");
Validation.Requires <ArgumentException>(() => terminals.Any(), $"{nameof(terminals)} cannot be empty.");
Validation.Requires <ArgumentNullException>(() => rules != null, $"{nameof(rules)} is required.");
Validation.Requires <ArgumentException>(() => rules.Any(), $"{nameof(rules)} cannot be empty.");
ScannerMatchMode = scannerMatchMode;
TerminalSymbols = terminals;
ProductionRules = rules;
string failReason;
if (!CheckGrammar(out failReason))
{
throw new InvalidOperationException(failReason);
}
}
internal Scanner(ScannerMatchMode scannerMatchMode, List <TerminalSymbol> terminals)
{
Debug.Assert(terminals != null && terminals.Any(), "At least one terminal symbol is required.");
_scannerMatchMode = scannerMatchMode;
_terminals = terminals;
}
