wehub-resource-sync
123 lines
4.8 KiB
C++
123 lines
4.8 KiB
C++
// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include "paddle/ap/include/adt/adt.h"
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#include "paddle/ap/include/rt_module/arg_value.h"
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#include "paddle/ap/include/rt_module/function.h"
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namespace ap::rt_module {
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struct FunctionHelper {
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adt::Result<axpr::Value> Apply(const Function& function,
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const std::vector<axpr::Value>& args) {
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const auto& func_declare = function->func_declare;
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ADT_LET_CONST_REF(ret_val, GetDefaultVal(func_declare->ret_type));
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ADT_LET_CONST_REF(ret_ptr, GetAddrAsVoidPtr(ret_val));
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void* ret = ret_ptr;
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std::vector<void*> void_ptr_args;
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void_ptr_args.reserve(args.size());
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ADT_CHECK(func_declare->arg_types->size() == args.size())
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<< adt::errors::TypeError{
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std::string() + func_declare->func_id + "() takes " +
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std::to_string(func_declare->arg_types->size()) +
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" arguments, but " + std::to_string(args.size()) +
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" were given"};
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for (size_t i = 0; i < args.size(); ++i) {
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const auto& arg_axpr_value = args.at(i);
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{
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// check arg type
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const auto& arg_type = func_declare->arg_types->at(i);
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ADT_LET_CONST_REF(arg_value,
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CastToArgValue<axpr::Value>(arg_axpr_value));
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ADT_CHECK(arg_value.GetType() == arg_type) << adt::errors::TypeError{
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std::string() + "the argument " + std::to_string(i) + " of " +
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func_declare->func_id + "() should be a " + arg_type.Name() +
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"(not " + arg_value.GetType().Name() + ")"};
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}
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ADT_LET_CONST_REF(ptr, GetAddrAsVoidPtr(arg_axpr_value));
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void_ptr_args.emplace_back(ptr);
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}
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ADT_RETURN_IF_ERR(function->dl_function.Apply(ret, void_ptr_args.data()));
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return ret_val;
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}
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adt::Result<axpr::Value> GetDefaultVal(const ArgType& arg_type) {
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return arg_type.Match(
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[&](const axpr::DataType& data_type) -> adt::Result<axpr::Value> {
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ADT_LET_CONST_REF(data_value, GetDataTypeDefaultVal(data_type));
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return data_value;
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},
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[&](const axpr::PointerType& pointer_type) -> adt::Result<axpr::Value> {
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ADT_LET_CONST_REF(pointer_value,
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GetPointerTypeDefaultVal(pointer_type));
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return pointer_value;
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});
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}
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adt::Result<axpr::DataValue> GetDataTypeDefaultVal(
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const axpr::DataType& data_type) {
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return data_type.Match(
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[&](const auto& impl) -> adt::Result<axpr::DataValue> {
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using T = typename std::decay_t<decltype(impl)>::type;
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T val{};
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return axpr::DataValue{val};
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});
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}
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adt::Result<axpr::PointerValue> GetPointerTypeDefaultVal(
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const axpr::PointerType& pointer_type) {
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return pointer_type.Match(
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[&](const auto& impl) -> adt::Result<axpr::PointerValue> {
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using T = typename std::decay_t<decltype(impl)>::type;
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T ptr = nullptr;
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return axpr::PointerValue{ptr};
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});
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}
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adt::Result<void*> GetAddrAsVoidPtr(const axpr::Value& arg_value) {
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return arg_value.Match(
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[&](const axpr::DataValue& data) -> adt::Result<void*> {
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return data.Match(
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[&](const adt::Undefined&) -> adt::Result<void*> {
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static_assert(
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axpr::DataValue::IsMyAlternative<adt::Undefined>(), "");
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// adt::Undefined represents cpp void type, because we cannot
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// define a void typed value.
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return nullptr;
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},
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[&](const auto& impl) -> adt::Result<void*> {
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using T = std::decay_t<decltype(impl)>;
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return const_cast<T*>(&impl);
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});
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},
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[&](const axpr::PointerValue& ptr) -> adt::Result<void*> {
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return ptr.Match([&](const auto& impl) -> adt::Result<void*> {
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using T = std::decay_t<decltype(impl)>;
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return const_cast<T*>(&impl);
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});
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},
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[&](const auto&) -> adt::Result<void*> {
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return adt::errors::TypeError{
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std::string() +
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"only DataValue or PointerValue are supported as so function "
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"arguments (not " +
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axpr::GetTypeName(arg_value) + ")."};
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});
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}
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};
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} // namespace ap::rt_module
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