private static PreparedFunction PreparePInvokeMethod(
IPrepareContext prepareContext,
string methodName,
string rawMethodName,
TypeReference returnType,
Parameter[] parameters,
PInvokeInfo pinvokeInfo)
{
// TODO: Switch DllImport.Value include direction to library direction.
if (string.IsNullOrWhiteSpace(pinvokeInfo.Module.Name))
{
throw new InvalidProgramSequenceException(
"Not given DllImport attribute argument. Name={0}",
methodName);
}
prepareContext.RegisterPrivateIncludeFile(pinvokeInfo.Module.Name);
return(new PreparedFunction(
methodName,
rawMethodName,
returnType,
parameters,
false,
null));
}
private static PreparedMethodInformation PrepareMethod(
IPrepareContext prepareContext,
IMethodInformation method)
{
var returnType = method.ReturnType;
var parameters = method.Parameters;
prepareContext.RegisterType(returnType);
foreach (var parameter in parameters)
{
prepareContext.RegisterType(parameter.TargetType);
}
// Pure abstract method (ignored.)
if (method.IsVirtual && method.IsAbstract)
{
Debug.Assert(!method.HasBody);
return(null);
}
// Delegate constructor (ignored, it will be handled by the AssemblyWriter.)
if (method.IsConstructor && method.DeclaringType.IsDelegate &&
(method.Parameters.Length == 3) &&
method.Parameters[1].TargetType.IsObjectType &&
method.Parameters[2].TargetType.IsIntPtrType)
{
// Debug.Assert(!method.HasBody); // Depended for the compiler (it has no body for Roslyn)
return(null);
}
// internalcall or DllImport
if (method.IsExtern)
{
Debug.Assert(!method.HasBody);
var pinvokeInfo = method.PInvokeInfo;
if (pinvokeInfo != null)
{
// TODO: Switch DllImport.Value include direction to library direction.
if (string.IsNullOrWhiteSpace(pinvokeInfo.Module.Name))
{
throw new InvalidProgramSequenceException(
"Not given DllImport attribute argument. Name={0}",
method.FriendlyName);
}
prepareContext.RegisterPrivateIncludeFile(pinvokeInfo.Module.Name);
}
// Construct dummy information.
return(new PreparedMethodInformation(
method,
null,
null,
null,
null,
null));
}
Debug.Assert(method.HasBody);
return(PrepareMethodBody(
prepareContext,
method));
}