private String GetCodeForDelegate(TypeDesc delegateType)
{
StringBuilder sb = new StringBuilder();
MethodDesc method = delegateType.GetMethod("Invoke", null);
AppendSlotTypeDef(sb, method);
sb.Append("static __slot__");
sb.Append(GetCppMethodName(method));
sb.Append(" __invoke__");
sb.Append(GetCppMethodName(method));
sb.Append("(void * pThis) { return (__slot__");
sb.Append(GetCppMethodName(method));
sb.Append(")(((");
sb.Append(GetCppSignatureTypeName(_compilation.TypeSystemContext.GetWellKnownType(WellKnownType.MulticastDelegate)));
sb.Append(")pThis)->m_functionPointer);");
sb.AppendLine(" };");
return sb.ToString();
}
private void TriggerCctor(TypeDesc type)
{
// TODO: Before field init
MethodDesc cctor = type.GetMethod(".cctor", null);
if (cctor == null)
return;
// TODO: Thread safety
string ctorHasRun = "__statics.__cctor_" + _writer.GetCppTypeName(type).Replace("::", "__");
Append("if (!" + ctorHasRun + ") { " + ctorHasRun + " = true; ");
Append(_writer.GetCppTypeName(cctor.OwningType));
Append("::");
Append(_writer.GetCppMethodName(cctor));
Append("(); }");
_compilation.AddMethod(cctor);
}
private void ExpandType(TypeDesc type)
{
if (_emittedTypes.Contains(type))
return;
_emittedTypes.Add(type);
GetCppSignatureTypeName(type);
var baseType = type.BaseType;
if (baseType != null)
{
ExpandType(baseType);
}
foreach (var field in type.GetFields())
{
ExpandType(GetFieldTypeOrPlaceholder(field));
}
if (type.IsDelegate)
{
MethodDesc method = type.GetMethod("Invoke", null);
var sig = method.Signature;
ExpandType(sig.ReturnType);
for (int i = 0; i < sig.Length; i++)
ExpandType(sig[i]);
}
if (type.IsArray)
{
ExpandType(((ArrayType)type).ElementType);
}
}
