public static (List <AttributeListSyntax>, List <MemberDeclarationSyntax>) GenerateSyntax(
Assembly targetAssembly,
List <GrainInterfaceDescription> grainInterfaces,
List <GrainClassDescription> grainClasses,
SerializationTypeDescriptions typeDescriptions)
{
var attributes = new List <AttributeListSyntax>();
var members = new List <MemberDeclarationSyntax>();
var className = CodeGeneratorCommon.ClassPrefix + Guid.NewGuid().ToString("N").Substring(0, 10) + ClassSuffix;
// Generate a class for populating the metadata.
var classSyntax = SF.ClassDeclaration(className)
.AddBaseListTypes(
SF.SimpleBaseType(typeof(IFeaturePopulator <GrainInterfaceFeature>).GetTypeSyntax()),
SF.SimpleBaseType(typeof(IFeaturePopulator <GrainClassFeature>).GetTypeSyntax()),
SF.SimpleBaseType(typeof(IFeaturePopulator <SerializerFeature>).GetTypeSyntax()))
.AddModifiers(SF.Token(SyntaxKind.InternalKeyword), SF.Token(SyntaxKind.SealedKeyword))
.AddMembers(GeneratePopulateMethod(grainInterfaces), GeneratePopulateMethod(grainClasses), GeneratePopulateMethod(typeDescriptions))
.AddAttributeLists(SF.AttributeList(SF.SingletonSeparatedList(CodeGeneratorCommon.GetGeneratedCodeAttributeSyntax())));
var namespaceSyntax = SF.NamespaceDeclaration(NamespaceName.ToIdentifierName()).AddMembers(classSyntax);
members.Add(namespaceSyntax);
// Generate an assembly-level attribute with an instance of that class.
var attribute = SF.AttributeList(
SF.AttributeTargetSpecifier(SF.Token(SyntaxKind.AssemblyKeyword)),
SF.SingletonSeparatedList(
SF.Attribute(typeof(FeaturePopulatorAttribute).GetNameSyntax())
.AddArgumentListArguments(SF.AttributeArgument(SF.TypeOfExpression(SF.ParseTypeName(NamespaceName + "." + className))))));
attributes.Add(attribute);
return(attributes, members);
}
/// <summary>
/// Generates the class for the provided grain types.
/// </summary>
/// <param name="grainType">
/// The grain interface type.
/// </param>
/// <returns>
/// The generated class.
/// </returns>
internal static TypeDeclarationSyntax GenerateClass(Type grainType)
{
var baseTypes = new List <BaseTypeSyntax> {
SF.SimpleBaseType(typeof(IGrainMethodInvoker).GetTypeSyntax())
};
var grainTypeInfo = grainType.GetTypeInfo();
var genericTypes = grainTypeInfo.IsGenericTypeDefinition
? grainTypeInfo.GetGenericArguments()
.Select(_ => SF.TypeParameter(_.ToString()))
.ToArray()
: new TypeParameterSyntax[0];
// Create the special method invoker marker attribute.
var interfaceId = GrainInterfaceUtils.GetGrainInterfaceId(grainType);
var interfaceIdArgument = SF.LiteralExpression(SyntaxKind.NumericLiteralExpression, SF.Literal(interfaceId));
var grainTypeArgument = SF.TypeOfExpression(grainType.GetTypeSyntax(includeGenericParameters: false));
var attributes = new List <AttributeSyntax>
{
CodeGeneratorCommon.GetGeneratedCodeAttributeSyntax(),
SF.Attribute(typeof(MethodInvokerAttribute).GetNameSyntax())
.AddArgumentListArguments(
SF.AttributeArgument(grainType.GetParseableName().GetLiteralExpression()),
SF.AttributeArgument(interfaceIdArgument),
SF.AttributeArgument(grainTypeArgument)),
#if !NETSTANDARD
SF.Attribute(typeof(ExcludeFromCodeCoverageAttribute).GetNameSyntax())
#endif
};
var members = new List <MemberDeclarationSyntax>
{
GenerateInvokeMethod(grainType),
GenerateInterfaceIdProperty(grainType)
};
// If this is an IGrainExtension, make the generated class implement IGrainExtensionMethodInvoker.
if (typeof(IGrainExtension).IsAssignableFrom(grainType))
{
baseTypes.Add(SF.SimpleBaseType(typeof(IGrainExtensionMethodInvoker).GetTypeSyntax()));
members.Add(GenerateExtensionInvokeMethod(grainType));
}
var classDeclaration =
SF.ClassDeclaration(
CodeGeneratorCommon.ClassPrefix + TypeUtils.GetSuitableClassName(grainType) + ClassSuffix)
.AddModifiers(SF.Token(SyntaxKind.InternalKeyword))
.AddBaseListTypes(baseTypes.ToArray())
.AddConstraintClauses(grainType.GetTypeConstraintSyntax())
.AddMembers(members.ToArray())
.AddAttributeLists(SF.AttributeList().AddAttributes(attributes.ToArray()));
if (genericTypes.Length > 0)
{
classDeclaration = classDeclaration.AddTypeParameterListParameters(genericTypes);
}
return(classDeclaration);
}
internal static AttributeSyntax GetGeneratedCodeAttributeSyntax()
{
return
(SF.Attribute(typeof(GeneratedCodeAttribute).GetNameSyntax())
.AddArgumentListArguments(
SF.AttributeArgument(CodeGeneratorName.GetLiteralExpression()),
SF.AttributeArgument(CodeGeneratorVersion.GetLiteralExpression())));
}
public static AttributeListSyntax GenAttribute(string name, string args)
{
return(SF.AttributeList(
SF.SingletonSeparatedList(
SF.Attribute(
SF.IdentifierName(name)).WithArgumentList(
SF.AttributeArgumentList(
SF.SingletonSeparatedList(
SF.AttributeArgument(
SF.ParseExpression(args))))))));
}
/// <summary>
/// Generates the class for the provided grain types.
/// </summary>
/// <param name="grainType">
/// The grain interface type.
/// </param>
/// <param name="onEncounteredType">
/// The callback which is invoked when a type is encountered.
/// </param>
/// <returns>
/// The generated class.
/// </returns>
internal static TypeDeclarationSyntax GenerateClass(Type grainType, Action <Type> onEncounteredType)
{
var grainTypeInfo = grainType.GetTypeInfo();
var genericTypes = grainTypeInfo.IsGenericTypeDefinition
? grainTypeInfo.GetGenericArguments()
.Select(_ => SF.TypeParameter(_.ToString()))
.ToArray()
: new TypeParameterSyntax[0];
// Create the special marker attribute.
var markerAttribute =
SF.Attribute(typeof(GrainReferenceAttribute).GetNameSyntax())
.AddArgumentListArguments(
SF.AttributeArgument(
SF.TypeOfExpression(grainType.GetTypeSyntax(includeGenericParameters: false))));
var attributes = SF.AttributeList()
.AddAttributes(
CodeGeneratorCommon.GetGeneratedCodeAttributeSyntax(),
SF.Attribute(typeof(SerializableAttribute).GetNameSyntax()),
#if !NETSTANDARD_TODO
//ExcludeFromCodeCoverageAttribute became an internal class in netstandard
SF.Attribute(typeof(ExcludeFromCodeCoverageAttribute).GetNameSyntax()),
#endif
markerAttribute);
var className = CodeGeneratorCommon.ClassPrefix + TypeUtils.GetSuitableClassName(grainType) + ClassSuffix;
var classDeclaration =
SF.ClassDeclaration(className)
.AddModifiers(SF.Token(SyntaxKind.InternalKeyword))
.AddBaseListTypes(
SF.SimpleBaseType(typeof(GrainReference).GetTypeSyntax()),
SF.SimpleBaseType(grainType.GetTypeSyntax()))
.AddConstraintClauses(grainType.GetTypeConstraintSyntax())
.AddMembers(GenerateConstructors(className))
.AddMembers(
GenerateInterfaceIdProperty(grainType),
GenerateInterfaceNameProperty(grainType),
GenerateIsCompatibleMethod(grainType),
GenerateGetMethodNameMethod(grainType))
.AddMembers(GenerateInvokeMethods(grainType, onEncounteredType))
.AddAttributeLists(attributes);
if (genericTypes.Length > 0)
{
classDeclaration = classDeclaration.AddTypeParameterListParameters(genericTypes);
}
return(classDeclaration);
}
public static CompilationUnitSyntax AddGeneratedCodeAttribute(GeneratedSyntax generatedSyntax)
{
var codeGenTargetAttributes =
SF.AttributeList()
.AddAttributes(
generatedSyntax.SourceAssemblies.Select(
asm =>
SF.Attribute(typeof(OrleansCodeGenerationTargetAttribute).GetNameSyntax())
.AddArgumentListArguments(
SF.AttributeArgument(asm.GetName().FullName.GetLiteralExpression()))).ToArray())
.WithTarget(SF.AttributeTargetSpecifier(SF.Token(SyntaxKind.AssemblyKeyword)));
return(generatedSyntax.Syntax.AddAttributeLists(codeGenTargetAttributes));
}
/// <summary>
/// Generates the class for the provided grain types.
/// </summary>
/// <param name="type">The grain interface type.</param>
/// <param name="onEncounteredType">
/// The callback invoked when a type is encountered.
/// </param>
/// <returns>
/// The generated class.
/// </returns>
internal static TypeDeclarationSyntax GenerateClass(Type type, Action <Type> onEncounteredType)
{
var typeInfo = type.GetTypeInfo();
var genericTypes = typeInfo.IsGenericTypeDefinition
? typeInfo.GetGenericArguments().Select(_ => SF.TypeParameter(_.ToString())).ToArray()
: new TypeParameterSyntax[0];
var attributes = new List <AttributeSyntax>
{
CodeGeneratorCommon.GetGeneratedCodeAttributeSyntax(),
#if !NETSTANDARD
SF.Attribute(typeof(ExcludeFromCodeCoverageAttribute).GetNameSyntax()),
#endif
SF.Attribute(typeof(SerializerAttribute).GetNameSyntax())
.AddArgumentListArguments(
SF.AttributeArgument(SF.TypeOfExpression(type.GetTypeSyntax(includeGenericParameters: false))))
};
var className = CodeGeneratorCommon.ClassPrefix + type.GetParseableName(GeneratedTypeNameOptions);
var fields = GetFields(type);
// Mark each field type for generation
foreach (var field in fields)
{
var fieldType = field.FieldInfo.FieldType;
onEncounteredType(fieldType);
}
var members = new List <MemberDeclarationSyntax>(GenerateStaticFields(fields))
{
GenerateDeepCopierMethod(type, fields),
GenerateSerializerMethod(type, fields),
GenerateDeserializerMethod(type, fields),
};
var classDeclaration =
SF.ClassDeclaration(className)
.AddModifiers(SF.Token(SyntaxKind.InternalKeyword))
.AddAttributeLists(SF.AttributeList().AddAttributes(attributes.ToArray()))
.AddMembers(members.ToArray())
.AddConstraintClauses(type.GetTypeConstraintSyntax());
if (genericTypes.Length > 0)
{
classDeclaration = classDeclaration.AddTypeParameterListParameters(genericTypes);
}
return(classDeclaration);
}
public static SyntaxList <AttributeListSyntax> GenerateStructLayoutAttributes()
{
return(SF.SingletonList(
SF.AttributeList(
SF.SingletonSeparatedList(
SF.Attribute(SF.IdentifierName("StructLayout"))
.WithArgumentList(
SF.AttributeArgumentList(
SF.SingletonSeparatedList(
SF.AttributeArgument(
SF.MemberAccessExpression(
SK.SimpleMemberAccessExpression,
SF.IdentifierName("LayoutKind"),
SF.IdentifierName("Explicit"))))))))));
}
public static AttributeSyntax GenAttribute(string name, string args)
{
var attribure = SF.Attribute(SF.IdentifierName(name));
if (args != null)
{
attribure = attribure.WithArgumentList(
SF.AttributeArgumentList(
SF.SingletonSeparatedList(
SF.AttributeArgument(
SF.ParseExpression(args)))));
}
return(attribure);
}
private SyntaxList <AttributeListSyntax> CreateSerializationAttribute(SymbolData symbol)
{
string requiredValueName;
if (symbol.IsRequired)
{
requiredValueName = (symbol.isNullable) ? "AllowNull" : "Always";
}
else
{
requiredValueName = "Default";
}
Func <string, string, string, AttributeArgumentSyntax> createAttr =
(lhs, expr, name) =>
{
// lhs = expr.name
return(SF.AttributeArgument(
SF.MemberAccessExpression(
SyntaxKind.SimpleMemberAccessExpression,
SF.IdentifierName(expr),
SF.Token(SyntaxKind.DotToken),
SF.IdentifierName(name)))
.WithNameEquals(
SF.NameEquals(SF.IdentifierName(lhs))));
};
var attributes = SF.SeparatedList(new[]
{
// Required = Required.[requiredValueName]
createAttr("Required", "Required", requiredValueName),
});
if (requiredValueName == "Default" && !symbol.isNullable)
{
// NullValueHandling = NullValueHandling.Ignore
attributes = attributes.Add(
createAttr("NullValueHandling", "NullValueHandling", "Ignore"));
}
return(SF.SingletonList(
SF.AttributeList(
SF.SingletonSeparatedList(
SF.Attribute(SF.IdentifierName("JsonProperty"))
.WithArgumentList(
SF.AttributeArgumentList(attributes))))));
}
/// <summary>
/// Generates the class for the provided grain types.
/// </summary>
/// <param name="type">The grain interface type.</param>
/// <param name="onEncounteredType">
/// The callback invoked when a type is encountered.
/// </param>
/// <returns>
/// The generated class.
/// </returns>
internal static IEnumerable <TypeDeclarationSyntax> GenerateClass(Type type, Action <Type> onEncounteredType)
{
var typeInfo = type.GetTypeInfo();
var genericTypes = typeInfo.IsGenericTypeDefinition
? typeInfo.GetGenericArguments().Select(_ => SF.TypeParameter(_.ToString())).ToArray()
: new TypeParameterSyntax[0];
var attributes = new List <AttributeSyntax>
{
CodeGeneratorCommon.GetGeneratedCodeAttributeSyntax(),
SF.Attribute(typeof(ExcludeFromCodeCoverageAttribute).GetNameSyntax()),
SF.Attribute(typeof(SerializerAttribute).GetNameSyntax())
.AddArgumentListArguments(
SF.AttributeArgument(SF.TypeOfExpression(type.GetTypeSyntax(includeGenericParameters: false))))
};
var className = CodeGeneratorCommon.ClassPrefix + type.GetParseableName(GeneratedTypeNameOptions);
var fields = GetFields(type);
// Mark each field type for generation
foreach (var field in fields)
{
var fieldType = field.FieldInfo.FieldType;
onEncounteredType(fieldType);
}
var members = new List <MemberDeclarationSyntax>(GenerateStaticFields(fields))
{
GenerateDeepCopierMethod(type, fields),
GenerateSerializerMethod(type, fields),
GenerateDeserializerMethod(type, fields),
};
if (typeInfo.IsConstructedGenericType || !typeInfo.IsGenericTypeDefinition)
{
members.Add(GenerateRegisterMethod(type));
members.Add(GenerateConstructor(className));
attributes.Add(SF.Attribute(typeof(RegisterSerializerAttribute).GetNameSyntax()));
}
var classDeclaration =
SF.ClassDeclaration(className)
.AddModifiers(SF.Token(SyntaxKind.InternalKeyword))
.AddAttributeLists(SF.AttributeList().AddAttributes(attributes.ToArray()))
.AddMembers(members.ToArray())
.AddConstraintClauses(type.GetTypeConstraintSyntax());
if (genericTypes.Length > 0)
{
classDeclaration = classDeclaration.AddTypeParameterListParameters(genericTypes);
}
var classes = new List <TypeDeclarationSyntax> {
classDeclaration
};
if (typeInfo.IsGenericTypeDefinition)
{
// Create a generic representation of the serializer type.
var serializerType =
SF.GenericName(classDeclaration.Identifier)
.WithTypeArgumentList(
SF.TypeArgumentList()
.AddArguments(
type.GetGenericArguments()
.Select(_ => SF.OmittedTypeArgument())
.Cast <TypeSyntax>()
.ToArray()));
var registererClassName = className + "_" +
string.Join("_",
type.GetTypeInfo().GenericTypeParameters.Select(_ => _.Name)) + "_" +
RegistererClassSuffix;
classes.Add(
SF.ClassDeclaration(registererClassName)
.AddModifiers(SF.Token(SyntaxKind.InternalKeyword))
.AddAttributeLists(
SF.AttributeList()
.AddAttributes(
CodeGeneratorCommon.GetGeneratedCodeAttributeSyntax(),
SF.Attribute(typeof(ExcludeFromCodeCoverageAttribute).GetNameSyntax()),
SF.Attribute(typeof(RegisterSerializerAttribute).GetNameSyntax())))
.AddMembers(
GenerateMasterRegisterMethod(type, serializerType),
GenerateConstructor(registererClassName)));
}
return(classes);
}
public static byte[] CreateControllerCode(IService service)
{
var @file = SF.CompilationUnit();
var @namespace = SF.NamespaceDeclaration(SF.ParseName("MBase.ServiceHost.Controllers")).NormalizeWhitespace();
@file = @file
.AddUsings(SF.UsingDirective(SF.IdentifierName("System")));
@file = @file
.AddUsings(SF.UsingDirective(SF.IdentifierName("Microsoft.AspNetCore.Mvc")));
@file = @file
.AddUsings(SF.UsingDirective(SF.IdentifierName("System.Threading.Tasks")));
@file = @file.AddUsings(SF.UsingDirective(SF.IdentifierName(service.GetType().Namespace)));
@file = @file.AddUsings(SF.UsingDirective(SF.IdentifierName(service.GetType().Namespace + ".Models")));
foreach (var item in service.Commands.Where(m => typeof(ICommand).IsAssignableFrom(m.GetType())))
{
@file = @file.AddUsings(SF.UsingDirective(SF.IdentifierName(item.GetType().Namespace)));
}
var classDeclaration = SF.ClassDeclaration(service.GetType().Name.ToString() + "Controller")
.AddModifiers(SF.Token(SyntaxKind.PublicKeyword))
.AddBaseListTypes(SF.SimpleBaseType(SF.ParseTypeName("ControllerBase")))
.WithAttributeLists(
SF.List(
new AttributeListSyntax[] {
SF.AttributeList(
SF.SingletonSeparatedList(
SF.Attribute(SF.IdentifierName("Route"))
.WithArgumentList(
SF.AttributeArgumentList(
SF.SingletonSeparatedList(
SF.AttributeArgument(
SF.LiteralExpression(SyntaxKind.StringLiteralExpression, SF.Literal($"api/[controller]")))))))),
SF.AttributeList(
SF.SingletonSeparatedList(
SF.Attribute(SF.IdentifierName("ApiController"))))
}));
List <MemberDeclarationSyntax> controllerMembers = new List <MemberDeclarationSyntax>();
controllerMembers.Add(
SF.FieldDeclaration(
SF.VariableDeclaration(
SF.ParseTypeName(service.GetType().Name))
.AddVariables(SF.VariableDeclarator("_service")))
.AddModifiers(SF.Token(SyntaxKind.PrivateKeyword)));
controllerMembers.Add(
SF.ConstructorDeclaration(service.GetType().Name.ToString() + "Controller")
.WithParameterList(
SF.ParameterList(
SF.SingletonSeparatedList(
SF.Parameter(
SF.Identifier("service"))
.WithType(
SF.IdentifierName("IService")))
))
.AddModifiers(SF.Token(SyntaxKind.PublicKeyword))
.WithBody(SF.Block(SF.ParseStatement($"this._service = ({service.GetType().Name})service;"))));
foreach (var item in service.Commands.Where(m => typeof(ICommand).IsAssignableFrom(m.GetType())))
{
var syntax = @$ "
var response = await CommandHelper.ExecuteMethod<{item.Name}>(new {item.Name}(),new Request<{item.Name}>(request, new MessageEnvelope()));
