public static void Test(string s, Grammar.Rule r)
{
try
{
Print(string.Format("Using rule {0} to parse string {1}", r.ToString(), s));
var nodes = RubyParser.ParseByRule(s, r);
if (nodes == null || nodes.Count != 1)
{
Print("Parsing failed!", ConsoleColor.Red);
}
else if (nodes[0].ToString() != s)
{
Print("Parsing partially succeeded", ConsoleColor.Yellow);
}
else
{
Print("Parsing suceeded", ConsoleColor.Green);
}
if (nodes != null && nodes.Count > 0)
{
Console.WriteLine(nodes[0] + "\n");
}
else
{
Console.WriteLine();
}
}
catch (Exception e)
{
Print("Parsing failed with exception:", ConsoleColor.Red);
Print(e.Message + "\n" + e.StackTrace + "\n", ConsoleColor.Gray);
}
}
public static List <RubyAstNode> ParseByRule(string s, Grammar.Rule rule)
{
Parser parser = new Parser(s);
try {
bool bResult = parser.Parse(rule);
if (!bResult)
{
throw new Exception("failed to parse input");
}
}
catch (Exception e) {
Console.WriteLine("Parsing error occured with message: " + e.Message);
Console.WriteLine(parser.ParserPosition);
throw e;
}
RubyScript tmp = new RubyScript(parser.GetAst());
return(tmp.mStatements);
}
public static void TestParse(string s, Grammar.Rule r)
{
GrammarTest.Test(s, r);
}
