public Expression Visit(NumBinaryOp op)
{
var left = (NumExpression)op.Left.Accept(this);
var right = (NumExpression)op.Right.Accept(this);
return(new NumBinaryOp(op.Operation, left, right));
}
public SortedSet <string> Visit(NumBinaryOp op)
{
var vars = Run(op.Left);
vars.UnionWith(Run(op.Right));
return(vars);
}
public async Task <Value> Visit(NumBinaryOp op)
{
Value[] results = await Task.WhenAll <Value>(op.Left.Accept(this), op.Right.Accept(this));
switch (op.Operation)
{
case NumBinOps.Add:
return((results[0] as NumValue) + (results[1] as NumValue));
case NumBinOps.Mul:
return((results[0] as NumValue) * (results[1] as NumValue));
default:
throw new ArgumentException();
}
throw new NotImplementedException();
}
public T Visit(NumBinaryOp op)
{
op.Left.Accept(this);
op.Right.Accept(this);
return(default(T));
}
