/// <summary>
/// Binds a LambdaToken to metadata.
/// </summary>
/// <param name="lambdaToken">Token to bind.</param>
/// <param name="state">Object to hold the state of binding.</param>
/// <returns>A metadata bound any or all node.</returns>
internal LambdaNode BindLambdaToken(LambdaToken lambdaToken, BindingState state)
{
ExceptionUtils.CheckArgumentNotNull(lambdaToken, "LambdaToken");
ExceptionUtils.CheckArgumentNotNull(state, "state");
// Start by binding the parent token
CollectionNode parent = this.BindParentToken(lambdaToken.Parent);
RangeVariable rangeVariable = null;
// Add the lambda variable to the stack
if (lambdaToken.Parameter != null)
{
rangeVariable = NodeFactory.CreateParameterNode(lambdaToken.Parameter, parent);
state.RangeVariables.Push(rangeVariable);
}
// Bind the expression
SingleValueNode expression = this.BindExpressionToken(lambdaToken.Expression);
// Create the node
LambdaNode lambdaNode = NodeFactory.CreateLambdaNode(state, parent, expression, rangeVariable, lambdaToken.Kind);
// Remove the lambda variable as it is now out of scope
if (rangeVariable != null)
{
state.RangeVariables.Pop();
}
return(lambdaNode);
}
/// <summary>
/// Binds a LambdaToken to metadata.
/// </summary>
/// <param name="lambdaToken">Token to bind.</param>
/// <param name="state">Object to hold the state of binding.</param>
/// <returns>A metadata bound any or all node.</returns>
internal LambdaNode BindLambdaToken(LambdaToken lambdaToken, BindingState state)
{
ExceptionUtils.CheckArgumentNotNull(lambdaToken, "LambdaToken");
ExceptionUtils.CheckArgumentNotNull(state, "state");
// Start by binding the parent token
CollectionNode parent = this.BindParentToken(lambdaToken.Parent);
RangeVariable rangeVariable = null;
// Add the lambda variable to the stack
if (lambdaToken.Parameter != null)
{
rangeVariable = NodeFactory.CreateParameterNode(lambdaToken.Parameter, parent);
state.RangeVariables.Push(rangeVariable);
}
// Bind the expression
SingleValueNode expression = this.BindExpressionToken(lambdaToken.Expression);
// Create the node
LambdaNode lambdaNode = NodeFactory.CreateLambdaNode(state, parent, expression, rangeVariable, lambdaToken.Kind);
// Remove the lambda variable as it is now out of scope
if (rangeVariable != null)
{
state.RangeVariables.Pop();
}
return lambdaNode;
}
/// <summary>
/// Binds a LambdaToken.
/// </summary>
/// <param name="lambdaToken">The LambdaToken to bind.</param>
/// <returns>A bound Any or All node.</returns>
protected virtual QueryNode BindAnyAll(LambdaToken lambdaToken)
{
ExceptionUtils.CheckArgumentNotNull(lambdaToken, "LambdaToken");
LambdaBinder binder = new LambdaBinder(this.Bind);
return(binder.BindLambdaToken(lambdaToken, this.BindingState));
}
public void ShoulHandleNullArgument()
{
var call = new CallToken(null);
var group = new GroupToken(null);
var lambda = new LambdaToken(null);
var obj = new ObjectToken(null);
var array = new ArrayToken(null);
Assert.NotNull(call.Args);
Assert.NotNull(group.Tokens);
Assert.NotNull(lambda.Parameters);
Assert.NotNull(obj.Members);
Assert.NotNull(array.Items);
}
/// <summary>
/// Visits a LambdaToken
/// </summary>
/// <param name="tokenIn">The LambdaToken to visit</param>
/// <returns>A LambdaNode bound to this LambdaToken</returns>
public virtual T Visit(LambdaToken tokenIn)
{
throw new NotImplementedException();
}
public Expression Visit(LambdaToken tokenIn)
{
throw new NotImplementedException();
}
/// <summary>
/// Binds a LambdaToken.
/// </summary>
/// <param name="lambdaToken">The LambdaToken to bind.</param>
/// <returns>A bound Any or All node.</returns>
protected virtual QueryNode BindAnyAll(LambdaToken lambdaToken)
{
ExceptionUtils.CheckArgumentNotNull(lambdaToken, "LambdaToken");
LambdaBinder binder = new LambdaBinder(this.Bind);
return binder.BindLambdaToken(lambdaToken, this.BindingState);
}
public bool Visit(LambdaToken tokenIn)
{
throw new NotSupportedException(string.Format(CultureInfo.CurrentCulture, "QueryToken of type '{0}' is not supported.", tokenIn.Kind));
}