static void Main(string[] args)
{
IContext context = new Context();
Parser parser = new Parser(System.Console.In);
context.DefineVariable("write");
context.SetValue("write", new WriteFunction());
context.DefineVariable("writeln");
context.SetValue("writeln", new WriteLineFunction());
context.DefineVariable("Object");
context.SetValue("Object", new ObjectFunction(context));
Console.WriteLine("AjScript 0.1 (JavaScript-like Interpreter in C#)");
for (ICommand cmd = parser.ParseCommand(); cmd != null; cmd = parser.ParseCommand())
cmd.Execute(context);
}
private object EvaluateExpression(string text)
{
Parser parser = new Parser(text);
IExpression expression = parser.ParseExpression();
Assert.IsNull(parser.ParseExpression());
return expression.Evaluate(this.context);
}
private void EvaluateCommands(string text)
{
Parser parser = new Parser(text);
for (ICommand cmd = parser.ParseCommand(); cmd != null; cmd = parser.ParseCommand())
cmd.Execute(this.context);
}
private object EvaluateFile(string filename)
{
Parser parser = new Parser(new StreamReader(filename));
for (ICommand cmd = parser.ParseCommand(); cmd != null; cmd = parser.ParseCommand())
cmd.Execute(this.context);
return this.context.GetValue("result");
}
