edits

src/HotChocolate/Caching/src/Caching/ErrorHelper.cs

@@ -22,7 +22,6 @@ public static ISchemaError CacheControlInheritMaxAgeOnQueryTypeField(
                 field.Coordinate.ToString(),
                 type.Name)
             .SetTypeSystemObject(type)
-            .AddSyntaxNode(field.SyntaxNode)
             .Build();
 
     public static ISchemaError CacheControlOnInterfaceField(
@@ -33,7 +32,6 @@ public static ISchemaError CacheControlOnInterfaceField(
                 ErrorHelper_CacheControlOnInterfaceField,
                 field.Coordinate.ToString())
             .SetTypeSystemObject(type)
-            .AddSyntaxNode(field.SyntaxNode)
             .Build();
 
     public static ISchemaError CacheControlNegativeMaxAge(
@@ -44,7 +42,6 @@ public static ISchemaError CacheControlNegativeMaxAge(
                 ErrorHelper_CacheControlNegativeMaxAge,
                 field.Coordinate.ToString())
             .SetTypeSystemObject(type)
-            .AddSyntaxNode(field.SyntaxNode)
             .Build();
 
     public static ISchemaError CacheControlBothMaxAgeAndInheritMaxAge(
@@ -55,6 +52,5 @@ public static ISchemaError CacheControlBothMaxAgeAndInheritMaxAge(
                 ErrorHelper_CacheControlBothMaxAgeAndInheritMaxAge,
                 field.Coordinate.ToString())
             .SetTypeSystemObject(type)
-            .AddSyntaxNode(field.SyntaxNode)
             .Build();
 }

src/HotChocolate/Core/src/Types.CursorPagination/Utilities/ThrowHelper.cs

@@ -16,7 +16,6 @@ public static GraphQLException PagingHandler_MaxPageSize(
                 .SetMessage(ThrowHelper_PagingHandler_MaxPageSize)
                 .SetCode(ErrorCodes.Paging.MaxPaginationItems)
                 .SetPath(path)
-                .SetSyntaxNode(field.SyntaxNode)
                 .SetExtension(nameof(field), field.Coordinate.ToString())
                 .SetExtension(nameof(requestedItems), requestedItems)
                 .SetExtension(nameof(maxAllowedItems), maxAllowedItems)
@@ -32,7 +31,6 @@ public static GraphQLException PagingHandler_NoBoundariesSet(
                     field.Type.TypeName())
                 .SetCode(ErrorCodes.Paging.NoPagingBoundaries)
                 .SetPath(path)
-                .SetSyntaxNode(field.SyntaxNode)
                 .SetExtension(nameof(field), field.Coordinate.ToString())
                 .Build());
 

src/HotChocolate/Core/src/Types.OffsetPagination/Utilities/ThrowHelper.cs

@@ -14,7 +14,6 @@ public static GraphQLException OffsetPagingHandler_MaxPageSize(
                 .SetMessage("The maximum allowed items per page were exceeded.")
                 .SetCode(ErrorCodes.Paging.MaxPaginationItems)
                 .SetPath(path)
-                .SetSyntaxNode(field.SyntaxNode)
                 .SetExtension(nameof(field), field.Coordinate.ToString())
                 .SetExtension(nameof(requestedItems), requestedItems)
                 .SetExtension(nameof(maxAllowedItems), maxAllowedItems)
@@ -30,7 +29,6 @@ public static GraphQLException OffsetPagingHandler_NoBoundariesSet(
                     field.Type.NamedType().Name)
                 .SetCode(ErrorCodes.Paging.NoPagingBoundaries)
                 .SetPath(path)
-                .SetSyntaxNode(field.SyntaxNode)
                 .SetExtension(nameof(field), field.Coordinate.ToString())
                 .Build());
 }

src/HotChocolate/Core/src/Types/Configuration/Validation/InputObjectTypeValidationRule.cs

@@ -152,6 +152,6 @@ private static void EnsureOneOfFieldsAreValid(
         }
 
         temp.Clear();
-        errors.Add(OneofInputObjectMustHaveNullableFieldsWithoutDefaults(type, fieldNames));
+        errors.Add(OneOfInputObjectMustHaveNullableFieldsWithoutDefaults(type, fieldNames));
     }
 }

src/HotChocolate/Core/src/Types/IReadOnlySchemaOptions.cs

@@ -50,11 +50,6 @@ public interface IReadOnlySchemaOptions
     /// </summary>
     bool SortFieldsByName { get; }
 
-    /// <summary>
-    /// Defines if syntax nodes shall be preserved on the type system objects
-    /// </summary>
-    bool PreserveSyntaxNodes { get; }
-
     /// <summary>
     /// Defines if types shall be removed from the schema that are
     /// unreachable from the root types.

src/HotChocolate/Core/src/Types/Resolvers/DefaultResolverCompiler.cs

@@ -9,6 +9,7 @@
 using HotChocolate.Subscriptions;
 using HotChocolate.Types.Descriptors;
 using HotChocolate.Utilities;
+using Microsoft.Extensions.DependencyInjection;
 using static System.Linq.Expressions.Expression;
 using static HotChocolate.Properties.TypeResources;
 using static HotChocolate.Resolvers.ResolveResultHelper;
@@ -48,8 +49,12 @@ internal sealed class DefaultResolverCompiler : IResolverCompiler
         new Dictionary<ParameterInfo, string>();
 
     public DefaultResolverCompiler(
+        IServiceProvider schemaServiceProvider,
         IEnumerable<IParameterExpressionBuilder>? customParameterExpressionBuilders)
     {
+        var appServiceProvider = schemaServiceProvider.GetService<IApplicationServiceProvider>();
+        var serviceInspector = appServiceProvider?.GetService<IServiceProviderIsService>();
+
         var custom = customParameterExpressionBuilders is not null
             ? [..customParameterExpressionBuilders,]
             : new List<IParameterExpressionBuilder>();
@@ -98,6 +103,11 @@ public DefaultResolverCompiler(
         expressionBuilders.Add(new CustomServiceParameterExpressionBuilder<ITopicEventReceiver>());
         expressionBuilders.Add(new CustomServiceParameterExpressionBuilder<ITopicEventSender>());
 
+        if (serviceInspector is not null)
+        {
+            expressionBuilders.Add(new InferredServiceParameterExpressionBuilder(serviceInspector));
+        }
+
         if (customParameterExpressionBuilders is not null)
         {
             var defaultParameterExpressionBuilders = new List<IParameterExpressionBuilder>();

src/HotChocolate/Core/src/Types/Resolvers/Expressions/Parameters/InferredServiceParameterExpressionBuilder.cs

@@ -0,0 +1,45 @@
+#nullable enable
+
+using System.Linq.Expressions;
+using System.Reflection;
+using HotChocolate.Internal;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace HotChocolate.Resolvers.Expressions.Parameters;
+
+/// <summary>
+/// Builds parameter expressions for resolver level dependency injection for inferred services.
+/// </summary>
+internal sealed class InferredServiceParameterExpressionBuilder(IServiceProviderIsService serviceInspector)
+    : IParameterExpressionBuilder
+{
+    public ArgumentKind Kind => ArgumentKind.Service;
+
+    public bool IsPure => true;
+
+    public bool IsDefaultHandler => false;
+
+    public bool CanHandle(ParameterInfo parameter)
+        => serviceInspector.IsService(parameter.ParameterType);
+
+    public Expression Build(ParameterExpressionBuilderContext context)
+    {
+#if NET8_0_OR_GREATER
+        return ServiceExpressionHelper.TryGetServiceKey(context.Parameter, out var key)
+            ? ServiceExpressionHelper.Build(
+                context.Parameter,
+                context.ResolverContext,
+                ServiceKind.Default,
+                key)
+            : ServiceExpressionHelper.Build(
+                context.Parameter,
+                context.ResolverContext,
+                ServiceKind.Default);
+#else
+        return ServiceExpressionHelper.Build(
+            context.Parameter,
+            context.ResolverContext,
+            ServiceKind.Default);
+#endif
+    }
+}

src/HotChocolate/Core/src/Types/Resolvers/Expressions/Parameters/ServiceParameterExpressionBuilder.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Linq.Expressions;
 using System.Reflection;
 using HotChocolate.Internal;
@@ -44,4 +45,4 @@ public Expression Build(ParameterExpressionBuilderContext context)
             ServiceKind.Default);
 #endif
     }
-}
+}

src/HotChocolate/Core/src/Types/SchemaOptions.cs

@@ -15,16 +15,11 @@ public class SchemaOptions : IReadOnlySchemaOptions
 {
     private BindingBehavior _defaultBindingBehavior = BindingBehavior.Implicit;
     private FieldBindingFlags _defaultFieldBindingFlags = FieldBindingFlags.Instance;
-    private string? _queryTypeName;
 
     /// <summary>
     /// Gets or sets the name of the query type.
     /// </summary>
-    public string? QueryTypeName
-    {
-        get => _queryTypeName;
-        set => _queryTypeName = value;
-    }
+    public string? QueryTypeName { get; set; }
 
     /// <summary>
     /// Gets or sets the name of the mutation type.
@@ -58,11 +53,6 @@ public string? QueryTypeName
     /// </summary>
     public bool SortFieldsByName { get; set; }
 
-    /// <summary>
-    /// Defines if syntax nodes shall be preserved on the type system objects
-    /// </summary>
-    public bool PreserveSyntaxNodes { get; set; }
-
     /// <summary>
     /// Defines if types shall be removed from the schema that are
     /// unreachable from the root types.
@@ -243,7 +233,6 @@ public static SchemaOptions FromOptions(IReadOnlySchemaOptions options)
             ResolveXmlDocumentationFileName = options.ResolveXmlDocumentationFileName,
             FieldMiddleware = options.FieldMiddleware,
             DefaultBindingBehavior = options.DefaultBindingBehavior,
-            PreserveSyntaxNodes = options.PreserveSyntaxNodes,
             EnableDirectiveIntrospection = options.EnableDirectiveIntrospection,
             DefaultDirectiveVisibility = options.DefaultDirectiveVisibility,
             DefaultResolverStrategy = options.DefaultResolverStrategy,

src/HotChocolate/Core/src/Types/Types/Contracts/IEnumValue.cs

@@ -12,11 +12,6 @@ public interface IEnumValue
     , IHasReadOnlyContextData
     , ITypeSystemMember
 {
-    /// <summary>
-    /// The associated syntax node from the GraphQL SDL.
-    /// </summary>
-    EnumValueDefinitionNode? SyntaxNode { get; }
-
     /// <summary>
     /// The GraphQL name of this enum value.
     /// </summary>

src/HotChocolate/Core/src/Types/Types/Descriptors/ArgumentDescriptor.cs

@@ -92,13 +92,6 @@ protected override void OnCreateDefinition(ArgumentDefinition definition)
         base.OnCreateDefinition(definition);
     }
 
-    /// <inheritdoc />
-    public new IArgumentDescriptor SyntaxNode(InputValueDefinitionNode inputValueDefinition)
-    {
-        base.SyntaxNode(inputValueDefinition);
-        return this;
-    }
-
     /// <inheritdoc />
     public new IArgumentDescriptor Deprecated(string reason)
     {

src/HotChocolate/Core/src/Types/Types/Descriptors/Contracts/IArgumentDescriptor.cs

@@ -8,12 +8,6 @@ public interface IArgumentDescriptor
     : IDescriptor<ArgumentDefinition>
     , IFluent
 {
-    /// <summary>
-    /// Associates the argument with a syntax node of the parsed GraphQL SDL.
-    /// </summary>
-    /// <param name="inputValueDefinition">The syntax node</param>
-    IArgumentDescriptor SyntaxNode(InputValueDefinitionNode inputValueDefinition);
-
     /// <summary>
     /// Marks the argument as deprecated
     /// <remarks>

src/HotChocolate/Core/src/Types/Types/Descriptors/Contracts/IDirectiveArgumentDescriptor.cs

@@ -8,9 +8,6 @@ public interface IDirectiveArgumentDescriptor
     : IDescriptor<DirectiveArgumentDefinition>
     , IFluent
 {
-    /// <inheritdoc cref="IArgumentDescriptor.SyntaxNode(InputValueDefinitionNode)"/>
-    IDirectiveArgumentDescriptor SyntaxNode(InputValueDefinitionNode inputValueDefinition);
-
     /// <inheritdoc cref="IArgumentDescriptor.Deprecated(string)"/>
     IDirectiveArgumentDescriptor  Deprecated(string reason);
 

src/HotChocolate/Core/src/Types/Types/Descriptors/Contracts/IDirectiveTypeDescriptor~1.cs

@@ -10,16 +10,6 @@ public interface IDirectiveTypeDescriptor<T>
     : IDescriptor<DirectiveTypeDefinition>
     , IFluent
 {
-    /// <summary>
-    /// Associates the specified <paramref name="directiveDefinitionNode"/>
-    /// with the <see cref="DirectiveType"/>.
-    /// </summary>
-    /// <param name="directiveDefinitionNode">
-    /// The <see cref="DirectiveDefinitionNode"/> of a parsed schema.
-    /// </param>
-    IDirectiveTypeDescriptor<T> SyntaxNode(
-        DirectiveDefinitionNode directiveDefinitionNode);
-
     /// <summary>
     /// Defines the name of the <see cref="DirectiveType"/>.
     /// </summary>

src/HotChocolate/Core/src/Types/Types/Descriptors/Contracts/IEnumTypeDescriptor.cs

@@ -11,16 +11,6 @@ public interface IEnumTypeDescriptor
     : IDescriptor<EnumTypeDefinition>
     , IFluent
 {
-    /// <summary>
-    /// Associates the enum type with a syntax node
-    /// of the parsed GraphQL SDL.
-    /// </summary>
-    /// <param name="enumTypeDefinition">
-    /// The the type definition node.
-    /// </param>
-    IEnumTypeDescriptor SyntaxNode(
-        EnumTypeDefinitionNode enumTypeDefinition);
-
     /// <summary>
     /// Defines the name the enum type shall have.
     /// </summary>

src/HotChocolate/Core/src/Types/Types/Descriptors/Contracts/IEnumTypeDescriptor~1.cs

@@ -14,16 +14,6 @@ public interface IEnumTypeDescriptor<TRuntimeType>
     : IDescriptor<EnumTypeDefinition>
     , IFluent
 {
-    /// <summary>
-    /// Associates the enum type with a syntax node
-    /// of the parsed GraphQL SDL.
-    /// </summary>
-    /// <param name="enumTypeDefinition">
-    /// The the type definition node.
-    /// </param>
-    IEnumTypeDescriptor<TRuntimeType> SyntaxNode(
-        EnumTypeDefinitionNode enumTypeDefinition);
-
     /// <summary>
     /// Defines the name the enum type shall have.
     /// </summary>

src/HotChocolate/Core/src/Types/Types/Descriptors/Contracts/IInputFieldDescriptor.cs

@@ -8,12 +8,6 @@ public interface IInputFieldDescriptor
     : IDescriptor<InputFieldDefinition>
     , IFluent
 {
-    /// <summary>
-    /// Associates the argument with a syntax node of the parsed GraphQL SDL.
-    /// </summary>
-    /// <param name="inputValueDefinition">The syntax node</param>
-    IInputFieldDescriptor SyntaxNode(InputValueDefinitionNode inputValueDefinition);
-
     /// <summary>
     /// Sets the name of the argument
     /// <example>

src/HotChocolate/Core/src/Types/Types/Descriptors/Contracts/IInputObjectTypeDescriptor.cs

@@ -7,9 +7,6 @@ public interface IInputObjectTypeDescriptor
     : IDescriptor<InputObjectTypeDefinition>
     , IFluent
 {
-    IInputObjectTypeDescriptor SyntaxNode(
-        InputObjectTypeDefinitionNode inputObjectTypeDefinition);
-
     IInputObjectTypeDescriptor Name(string value);
 
     IInputObjectTypeDescriptor Description(string value);

src/HotChocolate/Core/src/Types/Types/Descriptors/Contracts/IInputObjectTypeDescriptor~1.cs

@@ -9,9 +9,6 @@ public interface IInputObjectTypeDescriptor<T>
     : IDescriptor<InputObjectTypeDefinition>
     , IFluent
 {
-    IInputObjectTypeDescriptor<T> SyntaxNode(
-        InputObjectTypeDefinitionNode inputObjectTypeDefinition);
-
     IInputObjectTypeDescriptor<T> Name(string value);
 
     IInputObjectTypeDescriptor<T> Description(string value);

src/HotChocolate/Core/src/Types/Types/Descriptors/Contracts/IInterfaceFieldDescriptor.cs

@@ -8,9 +8,6 @@ public interface IInterfaceFieldDescriptor
     : IDescriptor<InterfaceFieldDefinition>
     , IFluent
 {
-    IInterfaceFieldDescriptor SyntaxNode(
-        FieldDefinitionNode fieldDefinition);
-
     IInterfaceFieldDescriptor Name(string value);
 
     IInterfaceFieldDescriptor Description(string value);

src/HotChocolate/Core/src/Types/Types/Descriptors/Contracts/IInterfaceTypeDescriptor.cs

@@ -8,17 +8,6 @@ public interface IInterfaceTypeDescriptor
     : IDescriptor<InterfaceTypeDefinition>
     , IFluent
 {
-    /// <summary>
-    /// Associates the specified
-    /// <paramref name="interfaceTypeDefinition"/>
-    /// with the <see cref="InterfaceType"/>.
-    /// </summary>
-    /// <param name="interfaceTypeDefinition">
-    /// The <see cref="InterfaceTypeDefinitionNode"/> of a parsed schema.
-    /// </param>
-    IInterfaceTypeDescriptor SyntaxNode(
-        InterfaceTypeDefinitionNode interfaceTypeDefinition);
-
     /// <summary>
     /// Defines the name of the <see cref="InterfaceType"/>.
     /// </summary>

src/HotChocolate/Core/src/Types/Types/Descriptors/Contracts/IInterfaceTypeDescriptor~1.cs

@@ -9,17 +9,6 @@ public interface IInterfaceTypeDescriptor<T>
     : IDescriptor<InterfaceTypeDefinition>
     , IFluent
 {
-    /// <summary>
-    /// Associates the specified
-    /// <paramref name="interfaceTypeDefinition"/>
-    /// with the <see cref="InterfaceType"/>.
-    /// </summary>
-    /// <param name="interfaceTypeDefinition">
-    /// The <see cref="InterfaceTypeDefinitionNode"/> of a parsed schema.
-    /// </param>
-    IInterfaceTypeDescriptor<T> SyntaxNode(
-        InterfaceTypeDefinitionNode interfaceTypeDefinition);
-
     /// <summary>
     /// Defines the name of the <see cref="InterfaceType"/>.
     /// </summary>