protected override IClientModel VisitLateBoundExpression(LateBoundExpressionNode lateboundExpression)
{
if (lateboundExpression.Scope == ExpressionScope.ModelOfParentScope)
{
var outer = _modelStack.Peek();
if (lateboundExpression.RecursionLevel < _modelStack.Count && lateboundExpression.RecursionLevel < 100)
{
var expressionNodes = new IClientModel[100];
var recursionLevel = 0;
while (recursionLevel < lateboundExpression.RecursionLevel)
{
expressionNodes[recursionLevel] = _modelStack.Pop();
recursionLevel++;
}
outer = _modelStack.Peek();
for (var i = recursionLevel - 1; i >= 0; i--)
{
_modelStack.Push(expressionNodes[i]);
}
}
return(outer.Get(lateboundExpression.ItemName));
}
return(_modelStack.Peek().Get(lateboundExpression.ItemName));
}
public static object RuntimeBind(object model, LateBoundExpressionNode node)
{
var itemName = node.ItemName;
var memberLocator = node.MemberLocator;
CheckNotNull(string.Format("Could not bind expression with name '{0}'. The value is null.", node.ItemName),
model, node);
var runtimeModel = model as IRuntimeModel;
if (runtimeModel != null && runtimeModel.Data != null)
{
model = runtimeModel.Data;
}
var binder = lateBoundCache.GetOrAdd(Tuple.Create(model.GetType(), itemName), new Func <Tuple <Type, string>, Func <object, object> >(pair =>
{
var type = pair.Item1;
var name = pair.Item2;
if (name.EndsWith("()"))
{
var function = memberLocator.FindMember(type, name.Substring(0, name.Length - 2), MemberTypes.Method) as MethodInfo;
if (function != null)
{
return(DelegateBuilder.FunctionCall(type, function));
}
}
var property = memberLocator.FindMember(type, name, MemberTypes.Property) as PropertyInfo;
if (property != null)
{
return(DelegateBuilder.Property(type, property));
}
var field = memberLocator.FindMember(type, name, MemberTypes.Field) as FieldInfo;
if (field != null)
{
return(DelegateBuilder.Field(type, field));
}
var dictionaryType = type.GetDictionaryTypeWithKey <string>();
if (dictionaryType != null)
{
return(DelegateBuilder.Dictionary(dictionaryType, name));
}
return(null);
}));
if (binder == null)
{
throw new VeilCompilerException("Unable to late-bind '{0}' against model {1}".FormatInvariant(itemName, model.GetType().Name), node);
}
var result = binder(model);
return(result);
}
private Expression EvaluateLateBoundExpression(LateBoundExpressionNode node)
{
var modelExpression = EvaluateScope(node);
return(Expression.Call(null, RuntimeBindFunction, new[] {
modelExpression,
Expression.Constant(node)
}));
}
private Expression EvaluateLateBoundExpression(LateBoundExpressionNode node)
{
var model = EvaluateScope(node.Scope);
return(Expression.Call(null, runtimeBindFunction, new[] {
model,
Expression.Constant(node.ItemName),
Expression.Constant(node.IsCaseSensitive)
}));
}
protected override JSchema VisitLateBoundExpression(LateBoundExpressionNode lateboundExpression)
{
var modelSchema = _schemas.Peek();
if (lateboundExpression.Scope == ExpressionScope.ModelOfParentScope)
{
if (lateboundExpression.RecursionLevel < _schemas.Count && lateboundExpression.RecursionLevel < 100)
{
var expressionNodes = new JSchema[100];
var recursionLevel = 0;
while (recursionLevel < lateboundExpression.RecursionLevel)
{
expressionNodes[recursionLevel] = _schemas.Pop();
recursionLevel++;
}
modelSchema = _schemas.Peek();
for (var i = recursionLevel - 1; i >= 0; i--)
{
_schemas.Push(expressionNodes[i]);
}
}
}
string propertyName = lateboundExpression.ItemName;
modelSchema.Type = JSchemaType.Object;
JSchema existingSchema;
if (!modelSchema.Properties.TryGetValue(propertyName, out existingSchema))
{
existingSchema = new JSchema();
modelSchema.Properties.Add(propertyName, existingSchema);
}
modelSchema.Required.Add(propertyName);
return(existingSchema);
}
private void EvaluateLateBoundExpression(LateBoundExpressionNode node)
{
emitter.LoadConstant(node.ItemName);
emitter.LoadConstant(node.IsCaseSensitive);
emitter.CallMethod(runtimeBindMethod);
}
protected virtual TResult VisitLateBoundExpression(LateBoundExpressionNode lateboundExpression)
{
return(null);
}