public virtual Expression <CompiledBindingExpression.BindingUpdateDelegate> CompileToUpdateDelegate(Expression binding, DataContextStack dataContext)
{
var viewModelsParameter = Expression.Parameter(typeof(object[]), "vm");
var controlRootParameter = Expression.Parameter(typeof(DotvvmBindableObject), "controlRoot");
var valueParameter = Expression.Parameter(typeof(object), "value");
var expr = ExpressionUtils.Replace(binding, BindingCompiler.GetParameters(dataContext, viewModelsParameter, Expression.Convert(controlRootParameter, dataContext.RootControlType)));
var assignment = Expression.Assign(expr, Expression.Convert(valueParameter, expr.Type));
return(Expression.Lambda <CompiledBindingExpression.BindingUpdateDelegate>(assignment, viewModelsParameter, controlRootParameter, valueParameter));
}
public virtual Expression <CompiledBindingExpression.BindingDelegate> CompileToDelegate(Expression binding, DataContextStack dataContext, Type expectedType)
{
var viewModelsParameter = Expression.Parameter(typeof(object[]), "vm");
var controlRootParameter = Expression.Parameter(typeof(DotvvmBindableObject), "controlRoot");
var expr = ExpressionUtils.Replace(ConvertExpressionToType(binding, expectedType), BindingCompiler.GetParameters(dataContext, viewModelsParameter, Expression.Convert(controlRootParameter, dataContext.RootControlType)));
expr = ExpressionUtils.ConvertToObject(expr);
return(Expression.Lambda <CompiledBindingExpression.BindingDelegate>(expr, viewModelsParameter, controlRootParameter));
}
