public SignatureInfoMatchTarget(TypeInfo interfaceTypeInfo, int functionIndex,
ElemDesc elemDesc, int parameterIndex)
{
if (interfaceTypeInfo == null) throw new ArgumentNullException(nameof(interfaceTypeInfo));
m_interfaceTypeInfo = interfaceTypeInfo;
m_functionIndex = functionIndex;
m_funcDesc = interfaceTypeInfo.GetFuncDesc(m_functionIndex);
m_elemDesc = elemDesc;
m_parameterIndex = parameterIndex;
if (m_parameterIndex == 0)
{
m_name = "return";
}
else
{
// the name of the parameter.
string[] signatureNames = m_interfaceTypeInfo.GetNames(m_funcDesc.memid,
m_funcDesc.cParams + 1);
m_name = signatureNames[m_parameterIndex];
if (m_name == null || m_name.Trim().Equals(""))
m_name = "_unnamed_arg_" + m_parameterIndex;
}
// NativeParentFunctionName
m_nativeParentFunctionName =
m_interfaceTypeInfo.GetDocumentation(m_funcDesc.memid);
// NativeSignature
m_nativeSignature = (new TlbType2String(interfaceTypeInfo, m_elemDesc.tdesc)).GetTypeString();
}