IEnumerable <MethodDeclarationSyntax> GetGTypeInterfaceMethodImpls()
{
foreach (var f in NestedTypeInfos.Single(x => x.ManagedName == ManagedName + "Struct").FieldInfos.Where(x => x.IsCallback))
{
var methodName = f.ManagedName;
var returnType = f.CallbackInfo.MethodInfo.UnmanagedReturnParameterInfo.TypeInfo.Type;
var method = MethodDeclaration(returnType, methodName)
.AddModifiers(Token(SyntaxKind.StaticKeyword))
.WithParameterList(f.CallbackInfo.MethodInfo.UnmanagedParameterList)
.WithBody(Block(f.CallbackInfo.MethodInfo.VirtualMethodImplStatements));
yield return(method);
}
}
IEnumerable <StatementSyntax> GetGTypeStructInterfaceInitStatements()
{
string statement;
foreach (var f in NestedTypeInfos.Single(x => x.ManagedName == ManagedName + "Struct").FieldInfos.Where(x => x.IsCallback))
{
var methodName = f.ManagedName;
var delegateName = "Unmanaged" + f.CallbackInfo.ManagedName;
var prefix = methodName.ToCamelCase();
var structName = ManagedName + "Struct";
statement = string.Format("var {0}Offset = {1}.OffsetOf<{2}> (nameof ({2}.{3}));\n",
prefix, typeof(Marshal).FullName, structName, methodName);
yield return(ParseStatement(statement));
statement = string.Format("var {0}Ptr = {1}.GetFunctionPointerForDelegate<{2}.{3}> ({4});\n",
prefix, typeof(Marshal).FullName, structName, delegateName, methodName);
yield return(ParseStatement(statement));
statement = string.Format("{0}.WriteIntPtr (gIface, (int){1}Offset, {1}Ptr);\n",
typeof(Marshal).FullName, prefix);
yield return(ParseStatement(statement));
}
}