junrushao1994 commented on code in PR #12237: URL: https://github.com/apache/tvm/pull/12237#discussion_r940443858
########## include/tvm/script/printer/traced_object_functor.h: ########## @@ -0,0 +1,170 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +#ifndef TVM_SCRIPT_PRINTER_TRACED_OBJECT_FUNCTOR_H_ +#define TVM_SCRIPT_PRINTER_TRACED_OBJECT_FUNCTOR_H_ + +#include <tvm/node/node.h> +#include <tvm/runtime/logging.h> +#include <tvm/runtime/packed_func.h> +#include <tvm/script/printer/traced_object.h> + +#include <string> +#include <type_traits> +#include <unordered_map> +#include <utility> +#include <vector> + +namespace tvm { +namespace script { +namespace printer { + +namespace { + +namespace detail { +/*! + * \brief Helper template class to extract the type of first argument of a function + * \tparam FType The function type. + */ +template <typename FType> +struct first_arg_type_helper; + +template <typename R, typename ArgOne, typename... OtherArgs> +struct first_arg_type_helper<R(ArgOne, OtherArgs...)> { + using T = ArgOne; +}; + +/*! + * \brief Template alias for the type of first argument of a function + * \tparam FType The function type. + * + * The name of public functions are in snake case to be consistent with + * tvm/node/functor.h + */ +template <typename FType> +using first_arg_type = typename detail::first_arg_type_helper< + typename tvm::runtime::detail::function_signature<FType>::FType>::T; +} // namespace detail + +} // namespace + +namespace dispatch_table { +/* + * Functions in dispatch_table namespace is created to reduce the binary bloat + * from template and also hide implementation details from this header + */ + +using DispatchTable = std::unordered_map<std::string, std::vector<runtime::PackedFunc>>; + +constexpr const char* kDefaultDispatchToken = ""; + +const runtime::PackedFunc& GetDispatchFunction(const DispatchTable& dispatch_table, + const String& token, uint32_t type_index); +void SetDispatchFunction(DispatchTable* dispatch_table, const String& token, uint32_t type_index, + runtime::PackedFunc f); Review Comment: Let's add some concise docs to them given it's in the public header -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
