public object GetValue(Expression expression)
{
var mi = (MemberInitExpression)expression;
var obj = ExpressionValueProvidingTools.GetValue(mi.NewExpression);
foreach (var memberBinding in mi.Bindings)
{
if (memberBinding.BindingType != MemberBindingType.Assignment)
{
throw new NotSupportedException($"Member binding type '{memberBinding.BindingType}' not supported");
}
var ma = (MemberAssignment)memberBinding;
var memberValue = ExpressionValueProvidingTools.GetValue(ma.Expression);
switch (memberBinding.Member.MemberType)
{
case MemberTypes.Field:
((FieldInfo)memberBinding.Member).SetValue(obj, memberValue);
break;
case MemberTypes.Property:
((PropertyInfo)memberBinding.Member).SetValue(obj, memberValue);
break;
default:
throw new NotSupportedException($"Member type '{memberBinding.Member.MemberType}' not supported");
}
}
return(obj);
}
public object GetValue(Expression expression)
{
var call = ((MethodCallExpression)expression);
var targetObject = call.Object != null
? ExpressionValueProvidingTools.GetValue(call.Object)
: null;
var args = call.Arguments
.Select(ExpressionValueProvidingTools.GetValue)
.ToArray();
return(call.Method.Invoke(targetObject, args));
}
public object GetValue(Expression expression)
{
var ma = (MemberExpression)expression;
var targetObject = ExpressionValueProvidingTools.GetValue(ma.Expression);
switch (ma.Member.MemberType)
{
case MemberTypes.Field:
return(((FieldInfo)ma.Member).GetValue(targetObject));
case MemberTypes.Method:
return(((PropertyInfo)ma.Member).GetValue(targetObject));
case MemberTypes.Property:
return(((PropertyInfo)ma.Member).GetValue(targetObject));
default:
throw new NotSupportedException($"Member access '{ma.Member.MemberType}' not supported");
}
}
public object GetValue(Expression expression)
{
var uExpr = (UnaryExpression)expression;
return(ExpressionValueProvidingTools.GetValue(uExpr.Operand));
}
public object GetValue()
{
return(ExpressionValueProvidingTools.GetValue(_valueProviderExpression));
}