private static Type BuildMetaInfoType(ModuleBuilder moduleBuilder, ITypeDescription type)
{
var typeBuilder = moduleBuilder.DefineType(MetaDataNameSpace + "." + CodeGenerationUtils.ClassName(type.TypeName), CodeGenerationUtils.PublicClass());
AddNameProperty(typeBuilder, type);
return(typeBuilder.CreateType());
}
private MethodAttributes QueryPropertyAccessRights(TypeBuilder parentNS)
{
if (alwaysInstanceMethod)
{
return(CodeGenerationUtils.PublicGetter());
}
return(parentNS == rootType?CodeGenerationUtils.StaticPublicGetter() : CodeGenerationUtils.PublicGetter());
}
static MethodBuilder CreateNewInstanceGetter(TypeBuilder typeBuilder, PropertyBuilder property,
ConstructorInfo constructor, MethodAttributes accessRights)
{
var getterMethod = CodeGenerationUtils.GetterMethodFor(typeBuilder, property, accessRights);
CodeGenerationUtils.ReturnNewInstanceILInstructions(constructor, getterMethod);
return(getterMethod);
}
private void CreateMetaDataGetter(MethodBuilder getterMethod,
Type type,
ITypeDescription typeDescription)
{
var returnType = getterMethod.ReturnType;
CodeGenerationUtils.ReturnNewInstanceILInstructions(
returnType.GetConstructors().Single(), getterMethod);
}
private string NameOfProperty(ITypeDescription typeDescription)
{
var name = typeDescription.TypeName.NameWithGenerics.Split('.').Last().Replace('+', '_');
if (needsAssemblyInName.Contains(typeDescription))
{
return(name + "_" + CodeGenerationUtils.NormalizedAssemblyName(typeDescription.TypeName));
}
return(name);
}
private Type CreateMetaInfoProperty(IEnumerable <ByNameGrouping> typesGroupesByName)
{
var typeBuilder = moduleBuilder.DefineType(MetaDataClassName, CodeGenerationUtils.PublicClass());
var finalType = new NamespaceContextGenerator("MetaData", moduleBuilder, typeBuilder, typesGroupesByName,
CreateMetaDataGetter,
(t, d) => BuildMetaInfoType(moduleBuilder, d), true).BuildType();
return(finalType.CreateType());
}
private static void AddLabelProperty(TypeBuilder typeBuilder, string propertyName,
string valueToReturn)
{
var property = CodeGenerationUtils.DefineProperty(typeBuilder, propertyName, typeof(string));
var methodBuilder = CodeGenerationUtils.GetterMethodFor(typeBuilder, property, CodeGenerationUtils.PublicGetter());
var ilCode = methodBuilder.GetILGenerator();
ilCode.Emit(OpCodes.Ldstr, valueToReturn);
ilCode.Emit(OpCodes.Ret);
}
private void CreateEntries(ByNameGrouping type)
{
foreach (var typeToBuildFor in type.Members)
{
var definePropertyOn = FindLocationForProperty(type, typeToBuildFor.Key);
var querableType = propertyTypeBuilder(typeToBuildFor.Value, typeToBuildFor.Key);
var nameOfProperty = NameOfProperty(typeToBuildFor.Key);
var property = CodeGenerationUtils.DefineProperty(definePropertyOn, nameOfProperty, querableType);
var getterMethod = CodeGenerationUtils.GetterMethodFor(definePropertyOn, property, QueryPropertyAccessRights(definePropertyOn));
buildPropertyOnType(getterMethod, typeToBuildFor.Value,
typeToBuildFor.Key);
}
}
private void CreateMetaDataStructure(IEnumerable <ByNameGrouping> typesGroupesByName)
{
var metaInfoType = CreateMetaInfoProperty(typesGroupesByName);
var constructorOfMetaInfoType = metaInfoType.GetConstructors().Single();
var property = CodeGenerationUtils.DefineProperty(rootType, MetaDataProperty, metaInfoType);
var getterMethod = CodeGenerationUtils.GetterMethodFor(rootType, property, CodeGenerationUtils.StaticPublicGetter());
var lambda = Expression.Lambda(typeof(Func <>).MakeGenericType(metaInfoType),
Expression.New(constructorOfMetaInfoType), new ParameterExpression[0]);
lambda.CompileToMethod(getterMethod);
}
internal static Type CreateContextType(ModuleBuilder builder,
IEnumerable <KeyValuePair <ITypeDescription, Type> > types)
{
var typesGroupesByName = from t in types
where t.Key.IsBusinessEntity
group t by t.Key.Name
into byName
select new ByNameGrouping(byName.Key, byName);
var typeBuilder = builder.DefineType(QueryContextClassName,
CodeGenerationUtils.PublicClass(), typeof(ContextRoot));
return(new ContextTypeGenerator(builder, typeBuilder).Build(typesGroupesByName));
}
private TypeBuilder BuildNamespaceContext(string lastNameSpace,
string forNamespace, string ns)
{
var parentNS = nameSpaceHolder.TryGet(lastNameSpace).GetValue(rootType);
var currentType = BuildNSContextType(forNamespace);
var property = CodeGenerationUtils.DefineProperty(parentNS, ns, currentType.Item1);
property.SetGetMethod(CreateNewInstanceGetter(parentNS, property, currentType.Item2, QueryPropertyAccessRights(parentNS)));
nameSpaceHolder[forNamespace] = currentType.Item1;
return(currentType.Item1);
}
private Tuple <TypeBuilder, ConstructorBuilder> BuildNSContextType(string forNamespace)
{
var currentType =
moduleBuilder.DefineType(
CodeGenerator.NameSpace + "." + forNamespace + "." + nameSpaceClassesPrefix + "NameSpaceContext",
CodeGenerationUtils.PublicClass());
var constructor = currentType.DefineConstructor(CodeGenerationUtils.PublicConstructurSignature(),
CallingConventions.Standard, new Type[0]);
var ilGenerator = constructor.GetILGenerator();
ilGenerator.Emit(OpCodes.Ldarg_0);
ilGenerator.Emit(OpCodes.Call, typeof(object).GetConstructors().Single());
ilGenerator.Emit(OpCodes.Ret);
return(Tuple.Create(currentType, constructor));
}
private static string BuildName(TypeName className)
{
return(NameSpace + "." + CodeGenerationUtils.ClassName(className));
}