public IExpression CompileList()
{
ListExpression listExpression = new ListExpression();
Token token = this.lexer.NextToken();
while (token != null && token.Value != "]")
{
if (listExpression.Expressions.Count != 0)
{
if (token.Value != ",")
{
throw new InvalidDataException(string.Format("Unexpected '{0}'", token.Value));
}
}
else
{
this.lexer.PushToken(token);
}
IExpression expression = this.CompileExpression();
listExpression.Add(expression);
token = this.lexer.NextToken();
}
if (token != null)
{
this.lexer.PushToken(token);
}
return(listExpression);
}
public void EvaluateListExpression()
{
ListExpression expression = new ListExpression();
expression.Add(new ConstantExpression(1));
expression.Add(new ConstantExpression("foo"));
Assert.IsNotNull(expression.Expressions);
Assert.AreEqual(2, expression.Expressions.Count);
object result = expression.Evaluate(new BindingEnvironment());
Assert.IsNotNull(result);
Assert.IsInstanceOfType(result, typeof(IList));
IList list = (IList)result;
Assert.AreEqual(2, list.Count);
Assert.AreEqual(1, list[0]);
Assert.AreEqual("foo", list[1]);
}