public void IsNullableTest()
{
var grammar = new Grammar();
var S = grammar.Symbols.Add("S");
var a = grammar.Symbols.Add("a");
var b = grammar.Symbols.Add("b");
var A = grammar.Symbols.Add("A");
var B = grammar.Symbols.Add("B");
grammar.Start = S;
grammar.Productions.Define(S, new[] { b, A });
grammar.Productions.Define(A, new[] { a, A, B });
grammar.Productions.Define(A, new Symbol[0]);
grammar.Productions.Define(B, new Symbol[0]);
var target = new RuntimeGrammar(grammar);
Assert.IsTrue(target.IsNullable(A.Index));
Assert.IsTrue(target.IsNullable(B.Index));
Assert.IsFalse(target.IsNullable(a.Index));
Assert.IsFalse(target.IsNullable(b.Index));
Assert.IsFalse(target.IsNullable(S.Index));
}
public void Init()
{
this.runtimeGrammar = new RuntimeGrammar(data.Grammar);
this.allocator = new ResourceAllocator(runtimeGrammar);
}
public ResourceAllocator(RuntimeGrammar grammar)
{
this.grammar = grammar;
}
public ResourceAllocator(RuntimeGrammar grammar)
{
this.grammar = grammar;
}