internal override int GetMemberRefToken(MethodBase methodInfo, Type[] optionalParameterTypes)
{
Type[] parameterTypes;
if (optionalParameterTypes != null)
{
if ((methodInfo.CallingConvention & CallingConventions.VarArgs) == 0)
{
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_NotAVarArgCallingConvention"));
}
}
if (!(methodInfo is RuntimeMethodInfo) && DynamicMethod.AsDynamicMethod(methodInfo) == null)
{
throw new ArgumentException(Environment.GetResourceString("Argument_MustBeRuntimeMethodInfo"), "methodInfo");
}
ParameterInfo[] paramInfo = methodInfo.GetParametersNoCopy();
if (paramInfo != null && paramInfo.Length != 0)
{
parameterTypes = new Type[paramInfo.Length];
for (int i = 0; i < paramInfo.Length; i++)
{
parameterTypes[i] = paramInfo[i].ParameterType;
}
}
else
{
parameterTypes = null;
}
SignatureHelper sig = GetMemberRefSignature(methodInfo.CallingConvention,
methodInfo.GetReturnType(),
parameterTypes,
optionalParameterTypes);
return(m_scope.GetTokenFor(new VarArgMethod(methodInfo as MethodInfo, sig)));
}
//
//
// Token resolution calls
//
//
public override void Emit(OpCode opcode, MethodInfo meth)
{
if (meth == null)
{
throw new ArgumentNullException("meth");
}
int stackchange = 0;
int tempVal = 0;
DynamicMethod dynMeth = DynamicMethod.AsDynamicMethod(meth);
if (dynMeth == null)
{
if (!(meth is RuntimeMethodInfo))
{
throw new ArgumentException(Environment.GetResourceString("Argument_MustBeRuntimeMethodInfo"), "meth");
}
if (meth.DeclaringType != null && (meth.DeclaringType.IsGenericType || meth.DeclaringType.IsArray))
{
tempVal = m_scope.GetTokenFor(meth.MethodHandle, meth.DeclaringType.TypeHandle);
}
else
{
tempVal = m_scope.GetTokenFor(meth.MethodHandle);
}
}
else
{
// rule out not allowed operations on DynamicMethods
if (opcode.Equals(OpCodes.Ldtoken) || opcode.Equals(OpCodes.Ldftn) || opcode.Equals(OpCodes.Ldvirtftn))
{
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidOpCodeOnDynamicMethod"));
}
tempVal = m_scope.GetTokenFor(dynMeth);
}
EnsureCapacity(7);
InternalEmit(opcode);
if (opcode.m_push == StackBehaviour.Varpush &&
meth.ReturnType != typeof(void))
{
stackchange++;
}
if (opcode.m_pop == StackBehaviour.Varpop)
{
stackchange -= meth.GetParametersNoCopy().Length;
}
// Pop the "this" parameter if the method is non-static,
// and the instruction is not newobj/ldtoken/ldftn.
if (!meth.IsStatic &&
!(opcode.Equals(OpCodes.Newobj) || opcode.Equals(OpCodes.Ldtoken) || opcode.Equals(OpCodes.Ldftn)))
{
stackchange--;
}
UpdateStackSize(opcode, stackchange);
m_length = PutInteger4(tempVal, m_length, m_ILStream);
}