public Parser(Runtime runtime, Scanner scanner)
{
this.runtime = runtime;
this.scanner = scanner;
scopeManager = new ScopeManager(runtime);
}
public Runtime()
{
unaryOps = new Dictionary<ExpressionType, UnaryOperationBinder>();
binaryOps = new Dictionary<ExpressionType, BinaryOperationBinder>();
InvokeCallSite = new InvokeBinder();
ConvertCallSite = new ConvertBinder();
GetIndexCallSite = new GetIndexBinder();
SetIndexCallSite = new SetIndexBinder();
BuiltIns = new Dictionary<string, Expression>();
RegisterClass("Foo", null);
RegisterFunction("range", args =>
{
return Iter.Range(((Number)args[0]).Value, ((Number)args[1]).Value);
});
RegisterFunction("using", args =>
{
var filename = args[0].ToString();
var scanner = new Scanner(File.ReadAllText(filename));
var parser = new Parser(this, scanner);
var expr = parser.Parse();
var func = expr.Compile();
return func();
});
RegisterFunction("print", args => Console.WriteLine(string.Join(" ", args)));
RegisterModule("maths", new Dictionary<string, Any>
{
{"PI", new Number(Math.PI)},
{"cos", new Function(args => new Number(Math.Cos(((Number) args[0]).Value)))},
{"sin", new Function(args => new Number(Math.Sin(((Number) args[0]).Value)))},
});
}
