public void EvaluateArrayDotExpression()
{
BindingEnvironment environment = new BindingEnvironment();
DynamicObject data = new DynamicObject();
data.SetValue("Numbers", new string[] { "one", "two", "three" });
environment.SetValue("data", data);
IExpression expression = new ArrayExpression(new DotExpression(new VariableExpression("data"), "Numbers"), new IExpression[] { new ConstantExpression(1) });
object result = expression.Evaluate(environment);
Assert.IsNotNull(result);
Assert.AreEqual("two", result);
}
public void EvaluateArrayVariableExpression()
{
BindingEnvironment environment = new BindingEnvironment();
environment.SetValue("array", new string[] { "one", "two", "three" });
IExpression expression = new ArrayExpression(new VariableExpression("array"), new IExpression[] { new ConstantExpression(1) });
object result = expression.Evaluate(environment);
Assert.IsNotNull(result);
Assert.AreEqual("two", result);
}
private IExpression ParseTermExpression()
{
IExpression expression = this.ParseSimpleTermExpression();
while (this.TryParse(TokenType.Operator, ".") || this.TryParse(TokenType.Separator, "[", "("))
{
if (this.TryParse(TokenType.Separator, "("))
expression = new InvokeExpressionExpression(expression, this.ParseArgumentList());
else if (this.TryParse(TokenType.Operator, "."))
{
this.lexer.NextToken();
string name = this.ParseName();
List<IExpression> arguments = null;
if (this.TryParse(TokenType.Separator, "("))
arguments = this.ParseArgumentList();
expression = new DotExpression(expression, name, arguments);
}
else
expression = new ArrayExpression(expression, this.ParseArrayArgumentList());
}
return expression;
}
