public FunctionExpressionWalker(ExternalVariables parserVariables, FunctionExpression function)
{
if (function == null)
{
throw new ArgumentNullException();
}
if (!function.IsValid)
{
throw new ArgumentException("Function must be valid.");
}
processStack = function.InstructionsInstance;
ParserVariables = parserVariables;
ValueStack = new Stack <VauleExpression>();
Results = new Queue <VauleExpression>();
}
public Interpreter(ExpressionParser parser)
{
this.parser = parser;
ParserVariables = new ExternalVariables();
//externalVariables = new Dictionary<string, VauleExpression>();
}