private INode Parse(string expression)
{
var lexer = new Lexer(new StringReader(expression));
var grammar = new PegGrammar();
var parser = new Parser <INode>(grammar);
return(parser.Parse(new TokenStream(lexer).Start()));
}
public void TestGrammar()
{
var grammar = new PegGrammar();
Assert.AreEqual("'a'*", grammar.ParseExpression("'a'*").ToString());
Assert.AreEqual("[a-z]", grammar.ParseExpression("[\\141-\\172]").ToString());
//Assert.AreEqual("('a' / 'b' / 'c') / e", grammar.ParseExpression("('a' / 'b' / 'c')?").ToString());
//Assert.AreEqual("'c' / ('a'* 'b') / e", grammar.ParseExpression("'c' / ('a'* 'b')?").ToString());
}
public void TestPegGrammar()
{
var grammar = new PegGrammar();
grammar.EnsureGrammarBuilt();
var runner = new PatternCompiler(new Compiler(), new DefaultOptimizer(), new ILJitter
{
EnableMemoization = true,
EnableCaptureMemoization = true,
}).Compile(grammar.Grammar);
var result = runner.Run(StringData);
var patternNames = runner.GetPatternsTriedAt(StringData.Length).ToList();
Assert.AreEqual(true, result.IsSuccessful);
Assert.IsTrue(patternNames.Count > 0);
}
