/// <summary>
/// Dump out abstract syntax tree for a given expression
/// </summary>
/// <param name="args"> array with one element, containing the expression string </param>
public static void Main(string[] args)
{
if (args.Length != 1)
{
//JAVA TO C# CONVERTER WARNING: The .NET Type.FullName property will not always yield results identical to the Java Class.getName method:
Console.Error.WriteLine("usage: java " + typeof(Builder).FullName + " <expression string>");
Environment.Exit(1);
}
PrintWriter @out = new PrintWriter(System.out);
Tree tree = null;
try
{
tree = (new Builder(Feature.METHOD_INVOCATIONS)).build(args[0]);
}
catch (TreeBuilderException e)
{
Console.WriteLine(e.Message);
Environment.Exit(0);
}
NodePrinter.dump(@out, tree.Root);
if (!tree.FunctionNodes.GetEnumerator().hasNext() && !tree.IdentifierNodes.GetEnumerator().hasNext())
{
ELContext context = new ELContextAnonymousInnerClass();
@out.print(">> ");
try
{
@out.println(tree.Root.getValue(new Bindings(null, null), context, null));
}
catch (ELException e)
{
@out.println(e.Message);
}
}
@out.flush();
}
/// <summary>
/// Print the parse tree. </summary>
/// <param name="writer"> </param>
public void dump(PrintWriter writer)
{
NodePrinter.dump(writer, node);
}