public static Type GenerateClass(ClassDescription description)
{
var name = new AssemblyName("MyAssembly");
AssemblyBuilder assemblyBuilder =
Thread.GetDomain().DefineDynamicAssembly(
name, AssemblyBuilderAccess.RunAndSave);
ModuleBuilder moduleBuilder = assemblyBuilder.DefineDynamicModule(
name.Name, name.Name + ".dll");
TypeBuilder typeBuilder = moduleBuilder.DefineType(
description.TypeName, TypeAttributes.Class | TypeAttributes.Public);
foreach (var constructorDescr in description.Constructors)
{
var staticOrDynamicAttr =
constructorDescr.StaticOrDynamic == StaticOrDynamic.Static ?
MethodAttributes.Static : MethodAttributes.Public;
// второй вариант по сути ничего не добавляет, но атрибута Dynamic нет
var inTypes = constructorDescr.InputTypes
.Select(typeName => description.AllTypes[typeName].RealType)
.ToArray();
typeBuilder.DefineConstructor(
MethodAttributes.Public | staticOrDynamicAttr,
CallingConventions.Standard,
inTypes);
}
foreach (var methodDescr in description.Methods)
{
var staticOrDynamicAttr =
methodDescr.StaticOrDynamic == StaticOrDynamic.Static ?
MethodAttributes.Static : MethodAttributes.Public;
var outType = description.AllTypes[methodDescr.OutputType].RealType;
var inTypes = methodDescr.InputTypes
.Select(typeName => description.AllTypes[typeName].RealType)
.ToArray();
var method = typeBuilder.DefineMethod(
methodDescr.MethodName,
MethodAttributes.Public | staticOrDynamicAttr,
outType,
inTypes);
GroboIL iLgenerator = new GroboIL(method);
iLgenerator.Newobj(new NotImplementedException()
.GetType()
.GetConstructors()[0]);
iLgenerator.Throw();
}
var type = typeBuilder.CreateType();
assemblyBuilder.Save(name.Name + ".dll");
return(type);
}
static void DescribeSerializeSample()
{
ClassDescription item = DescribeSomeClass();
string result = JsonConvert.SerializeObject(item, settings);
result = MakeReadable(result);
File.WriteAllText(resultFileName, result);
}
static void DeserializesGenerateSample()
{
DescribeSerializeSample();
string source = File.ReadAllText(resultFileName);
ClassDescription res = JsonConvert.DeserializeObject <ClassDescription>(source);
Type type = Generator.GenerateClass(res);
}
static ClassDescription DescribeSomeClass()
{
ClassDescription descr = new ClassDescription("MyClass");
descr.StatOrDyn = StaticOrDynamic.Dynamic;
var m = new MethodDescription("Add");
m.StaticOrDynamic = StaticOrDynamic.Dynamic;
m.InputTypes = new[] { "string", "int" };
m.OutputType = "string";
descr.Methods.Add(m);
return(descr);
}
