private void GenerateAdditionalMethodInvocation(CodeGenerator codeGen, Label exitLabel, string propsName)
{
var wrapperType = InfoProvider.GetWrapperType <TProxy>();
var preActionGetter = wrapperType.GetProperty(propsName).GetGetMethod();
var preActionVariable = codeGen.DeclareLocalVariable(typeof(Action));
// try block start
codeGen.BeginTry();
var preActionNoLabel = codeGen.DefineLabel();
codeGen.GetProperty(methodGetter: preActionGetter, storeVariable: preActionVariable);
codeGen.BeginIfNullBlock(variable: preActionVariable, goIfNull: preActionNoLabel);
codeGen.InvokeMethodAsVariable(preActionVariable);
codeGen.MarkEndIfBlock(preActionNoLabel);
codeGen.GoTo(exitLabel); // exit
// start catch
codeGen.EndTry();
codeGen.BeginCatch();
// codeGen.ReThrowException();
codeGen.EndCatch();
}
public void ImplementConstructor()
{
var constructorBuilder = _typeBuilder.DefineConstructor(
MethodAttributes.Public,
CallingConventions.HasThis,
new [] { typeof(TProxy) });
var wrapperType = InfoProvider.GetWrapperType <TProxy>();
var baseConstructor = wrapperType.GetConstructor(
BindingFlags.Public | BindingFlags.Instance,
null, new Type[0], null);
var setter = wrapperType.GetProperty("ProxyObject").GetSetMethod();
var ILGen = constructorBuilder.GetILGenerator();
var codeGen = new CodeGenerator(ILGen);
codeGen.InitializeBaseCtor(baseConstructor);
codeGen.SetPropertyCtor(setter, index: 1);
codeGen.Return();
}