private static void _Main(string[] args)
{
// input "x = 2*(3+3)"
ICharStream input;
if (args.Length > 0)
{
if (args[0].Equals("-i"))
{
if (args.Length > 1)
{
input = new ANTLRFileStream(args[1]);
}
else
{
throw new Exception("No input file specified.");
}
}
else
{
input = new ANTLRStringStream(args[0]);
}
}
else
{
input = new ANTLRInputStream(Console.OpenStandardInput());
}
var lex = new VecMathLexer(input);
var tokens = new CommonTokenStream(lex);
var g = new VecMathParser(tokens);
IAstRuleReturnScope <CommonTree> r = g.prog();
CommonTree t = r.Tree;
Console.WriteLine("Original tree: " + t.ToStringTree());
var simplify = new Simplify(new CommonTreeNodeStream(t));
t = (CommonTree)simplify.Downup(t);
var reduce = new Reduce(new CommonTreeNodeStream(t));
t = (CommonTree)reduce.Downup(t);
Console.WriteLine("Simplified tree: " + t.ToStringTree());
Console.ReadKey();
}
private static void _Main(string[] args)
{
// input "x = 2*(3+3)"
ICharStream input;
if (args.Length > 0)
{
if (args[0].Equals("-i"))
{
if (args.Length > 1)
{
input = new ANTLRFileStream(args[1]);
}
else
{
throw new Exception("No input file specified.");
}
}
else
{
input = new ANTLRStringStream(args[0]);
}
}
else
{
input = new ANTLRInputStream(Console.OpenStandardInput());
}
var lex = new VecMathLexer(input);
var tokens = new CommonTokenStream(lex);
var g = new VecMathParser(tokens);
IAstRuleReturnScope<CommonTree> r = g.prog();
CommonTree t = r.Tree;
Console.WriteLine("Original tree: " + t.ToStringTree());
var simplify = new Simplify(new CommonTreeNodeStream(t));
t = (CommonTree)simplify.Downup(t);
var reduce = new Reduce(new CommonTreeNodeStream(t));
t = (CommonTree)reduce.Downup(t);
Console.WriteLine("Simplified tree: " + t.ToStringTree());
Console.ReadKey();
}