private void BuildPropertyMap(Type sourceType, Type destType, MemberBinding binding, List <PropertyMap> properties, Dictionary <string, string> maps, bool buildMetadata)
{
var sourceMember = GetSourceMember(binding);
var destMember = GetDestinationMember(binding);
if (IsConditionExpression(binding) && destMember != null)
{
BuildPropertyMap(destMember.Name, destMember, sourceType, destType, binding, properties, maps, buildMetadata);
return;
}
if (sourceMember == null || destMember == null)
{
return;
}
var attrs = CombineAttributes(sourceMember.GetCustomAttributes(_options.InheritAttributes),
destMember.GetCustomAttributes(_options.InheritAttributes), sourceMember, destMember);
if (attrs.Any(p => p is IgnoreAttribute))
{
return;
}
var metadata = buildMetadata ? attrs.Select(p => _metadataTransformHandler.Handle(new TransformContext(p, sourceType, destType, sourceMember, destMember)))
.Where(data => data != null).ToList() : new List <object>(0);
var(source, destination) = GetAssignmentInfo(binding.ToString());
maps.Add(destination, source);
properties.Add(new PropertyMap(sourceMember, destMember,
sourceType.CreatePropertyLambda(source),
metadata, null));
}
//
// Summary:
// Visits the children of the System.Linq.Expressions.MemberBinding.
//
// Parameters:
// node:
// The expression to visit.
//
// Returns:
// The modified expression, if it or any subexpression was modified; otherwise,
// returns the original expression.
protected override MemberBinding VisitMemberBinding(MemberBinding node)
{
Console.WriteLine("VisitMemberBinding:");
Console.WriteLine('\t' + node.GetType().ToString());
Console.WriteLine('\t' + node.ToString());
return(base.VisitMemberBinding(node));
}
static void Main(string[] args)
{
Loader.Load();
Objects.LoadType(typeof(DynamicLinqTestObjects));
var lines = new List <string>();
foreach (var(key, filename) in rendererFileMapping.SelectKVP((k, v) => (k, v)))
{
var ordering = parseFileOrder(@$ "C:\Users\Spitz\source\repos\zspitz\ExpressionTreeToString\Tests\expectedResults\{filename}-testdata.txt");
var language = key == VisualBasic ? Language.VisualBasic : Language.CSharp;
//var language = key == CSharp ? Language.CSharp : Language.VisualBasic;
const string dlinq = nameof(DynamicLinqTestObjects);
var objects = Objects.Get()
//.Where(x => key == DynamicLinq ? x.source == dlinq : x.source != dlinq)
.Where(x => key == DynamicLinq)
.Where(x => !ordering.ContainsKey($"{x.source}.{x.name}"));
DynamicLinqWriterVisitor.CustomAccessibleTypes.Add(typeof(Console));
DynamicLinqWriterVisitor.CustomAccessibleTypes.Add(typeof(Dummy));
//var objects = Objects.Get()
// .Where(x => key == DynamicLinq ? x.source == dlinq : x.source != dlinq)
// .Where(x => key == DynamicLinq)
// .OrderBy(x => ordering.TryGetValue($"{x.source}.{x.name}", out var order) ? order : -1);
foreach (var(category, source, name, o) in objects)
{
var toWrite = o switch
{
Expression expr => expr.ToString(key, out var pathSpans, language),
MemberBinding mbind => mbind.ToString(key, out var pathSpans, language),
ElementInit init => init.ToString(key, out var pathSpans, language),
SwitchCase switchCase => switchCase.ToString(key, out var pathSpans, language),
CatchBlock catchBlock => catchBlock.ToString(key, out var pathSpans, language),
LabelTarget labelTarget => labelTarget.ToString(key, out var pathSpans, language),
_ => throw new NotImplementedException(),
};
lines.Add($"---- {source}.{name}");
if (key == FactoryMethods)
{
var toReplace =
language == Language.CSharp ?
@"// using static System.Linq.Expressions.Expression
" :
@"' Imports System.Linq.Expressions.Expression
";
toWrite = toWrite.Replace(toReplace, "");
}
lines.Add(toWrite);
}
lines.Add("------");
}
static void Main(string[] args)
{
Loader.Load();
var lines = new List <string>();
foreach (var(key, filename) in rendererFileMapping)
{
var ordering = parseFileOrder(@$ "C:\Users\Spitz\source\repos\zspitz\ExpressionTreeToString\Tests\expectedResults\{filename}-testdata.txt");
var language = key == VisualBasic ? Language.VisualBasic : Language.CSharp;
//foreach (var (category, source, name, o) in Objects.Get().OrderBy(x => ordering[$"{x.source}.{x.name}"])) {
foreach (var(category, source, name, o) in Objects.Get().Where(x => !ordering.ContainsKey($"{x.source}.{x.name}")))
{
lines.Add($"---- {source}.{name}");
var toWrite = o switch
{
Expression expr => expr.ToString(key, out var pathSpans, language),
MemberBinding mbind => mbind.ToString(key, out var pathSpans, language),
ElementInit init => init.ToString(key, out var pathSpans, language),
SwitchCase switchCase => switchCase.ToString(key, out var pathSpans, language),
CatchBlock catchBlock => catchBlock.ToString(key, out var pathSpans, language),
LabelTarget labelTarget => labelTarget.ToString(key, out var pathSpans, language),
_ => throw new NotImplementedException(),
};
if (key == FactoryMethods)
{
toWrite = toWrite.Replace(@"// using static System.Linq.Expressions.Expression
", "");
}
lines.Add(toWrite);
}
lines.Add("------");
}
/// <summary>访问子内容为： <see cref="T:System.Linq.Expressions.MemberBinding"></see>.</summary>
/// <param name="node">被访问的表达式</param>
/// <returns>The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.</returns>
protected override MemberBinding VisitMemberBinding(MemberBinding node)
{
Log(node.ToString());
throw new NotImplementedException();
}
/// <summary>
/// Visits the children of the <see cref=" System.Linq.Expressions.MemberBinding"/>.
/// </summary>
/// <param name="node">The expression to visit.</param>
/// <returns>The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.</returns>
protected override MemberBinding VisitMemberBinding(MemberBinding node)
{
// new a() { b = x }
InvalidExpression(node.ToString());
return(null);
}
protected static void CannotOptimize(MemberBinding binding)
{
throw new QueryOptimizationException(binding.ToString());
}
GetAssignmentFromBinding(MemberBinding binding,
ParameterExpression paramSourceExisting,
ParameterExpression paramSourceNew,
ParameterExpression paramDestination)
{
var existingAssignment = binding as MemberAssignment
?? throw new ArgumentException("Only binding of type MemberAssignment can be used. " +
$"Received binding of type {binding.BindingType}, {binding.ToString()}");
var targetMember = Expression.MakeMemberAccess(paramDestination, existingAssignment.Member);
var newExpression = new ParameterReplacerVisitor(paramSourceExisting, paramSourceNew)
.Visit(existingAssignment.Expression);
var assignment = Expression.Assign(targetMember, newExpression);
return(assignment);
}
private static void CannotConvertToSoda(MemberBinding binding)
{
throw new LinqQueryException(binding.ToString());
}