private static string GetName(MethodInfo method, System.Runtime.InteropServices.ComTypes.FUNCKIND funcKind)
{
var cppNs = GetCppNamespace(method);
var methodName = method.Name;
// C++ has a lot more overloads than C#, "void f(int*)" and "void f(const int*)". We need
// a way to specify that "void g(ref int)" should really call f().
var dllImportAttribute = method.GetCustomAttribute <JDanielSmith.Runtime.InteropServices.DllImportAttribute>();
string entryPoint = dllImportAttribute.EntryPoint;
if (!String.IsNullOrWhiteSpace(entryPoint))
{
methodName = entryPoint;
}
if (funcKind == System.Runtime.InteropServices.ComTypes.FUNCKIND.FUNC_NONVIRTUAL) // i.e., "static" method
{
cppNs = "@" + method.DeclaringType.Name + cppNs;
}
else if (funcKind == System.Runtime.InteropServices.ComTypes.FUNCKIND.FUNC_VIRTUAL) // i.e., instance method
{
cppNs = "@" + method.DeclaringType.Name + cppNs;
if (IsConst(method))
{
int lastIndex_const = methodName.LastIndexOf(@const, StringComparison.Ordinal);
bool isConstMethodName = lastIndex_const == (methodName.Length - @const.Length);
methodName = isConstMethodName ? methodName.Remove(lastIndex_const, @const.Length) : methodName;
}
}
// foo - name
return(methodName + cppNs);
}
public string Mangle(MethodInfo method, System.Runtime.InteropServices.ComTypes.FUNCKIND funcKind, CharSet charSet = CharSet.Unicode)
{
string access = "Y"; // "none" (not public/private/protected static/virtual/thunk)
if (funcKind == System.Runtime.InteropServices.ComTypes.FUNCKIND.FUNC_NONVIRTUAL)
{
access = "S"; // "static"
}
else if (funcKind == System.Runtime.InteropServices.ComTypes.FUNCKIND.FUNC_VIRTUAL) // i.e., instance method
{
access = "QE"; // member function, __thiscall,
access += IsConst(method) ? "B" : "A";
}
var methodParameters_ = method.GetParameters();
// first parameter is "this", don't use it for mangling
int skip = funcKind == System.Runtime.InteropServices.ComTypes.FUNCKIND.FUNC_VIRTUAL ? 1 : 0; // i.e., instance method
var methodParameters = methodParameters_.Skip(skip);
string parameters = String.Empty;
foreach (var parameter in methodParameters)
{
parameters += GetParameter(parameter, charSet);
}
if (!String.IsNullOrWhiteSpace(parameters))
{
parameters += "@"; // end of parameter list
}
else
{
parameters = typeToString.AsString(typeof(void));
}
var returnType = GetReturn(method.ReturnParameter, charSet);
// ? - decorated name
// name@ - name fragment
// @Z - end
return("?" + GetName(method, funcKind) + "@@" + access + returnType + parameters + "Z");
}
