junrushao commented on code in PR #454: URL: https://github.com/apache/tvm-ffi/pull/454#discussion_r2820897904
########## src/ffi/extra/repr_print.cc: ########## @@ -0,0 +1,478 @@ +/* + * 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. + */ +/* + * \file src/ffi/extra/repr_print.cc + * + * \brief Reflection-based repr printing with BFS-based cycle/DAG handling. + */ +#include <tvm/ffi/any.h> +#include <tvm/ffi/container/array.h> +#include <tvm/ffi/container/list.h> +#include <tvm/ffi/container/map.h> +#include <tvm/ffi/container/shape.h> +#include <tvm/ffi/container/tensor.h> +#include <tvm/ffi/dtype.h> +#include <tvm/ffi/error.h> +#include <tvm/ffi/reflection/accessor.h> +#include <tvm/ffi/reflection/registry.h> + +#include <iomanip> +#include <sstream> +#include <string> +#include <unordered_map> +#include <unordered_set> +#include <vector> + +namespace tvm { +namespace ffi { + +namespace { + +/*! + * \brief Convert a DLDeviceType to a short name string. + */ +const char* DeviceTypeName(int device_type) { + switch (device_type) { + case kDLCPU: + return "cpu"; + case kDLCUDA: + return "cuda"; + case kDLCUDAHost: + return "cuda_host"; + case kDLOpenCL: + return "opencl"; + case kDLVulkan: + return "vulkan"; + case kDLMetal: + return "metal"; + case kDLVPI: + return "vpi"; + case kDLROCM: + return "rocm"; + case kDLROCMHost: + return "rocm_host"; + case kDLExtDev: + return "ext_dev"; + case kDLCUDAManaged: + return "cuda_managed"; + case kDLOneAPI: + return "oneapi"; + case kDLWebGPU: + return "webgpu"; + case kDLHexagon: + return "hexagon"; + default: + return "unknown"; + } +} + +/*! + * \brief Format a DLDevice as "device_name:device_id". + */ +std::string DeviceToString(DLDevice device) { + std::ostringstream os; + os << DeviceTypeName(device.device_type) << ":" << device.device_id; + return os.str(); +} + +/*! + * \brief Format raw bytes as a Python-style bytes literal: b"...". + */ +std::string FormatBytes(const char* data, size_t size) { + std::ostringstream os; + os << "b\""; + for (size_t i = 0; i < size; ++i) { + unsigned char c = static_cast<unsigned char>(data[i]); + if (c >= 32 && c < 127 && c != '\"' && c != '\\') { + os << static_cast<char>(c); + } else { + os << "\\x" << std::hex << std::setw(2) << std::setfill('0') << static_cast<int>(c); + } + } + os << "\""; + return os.str(); +} + +/*! + * \brief Format an object address as a hex string. + */ +std::string AddressStr(const Object* obj) { + std::ostringstream os; + os << "0x" << std::hex << reinterpret_cast<uintptr_t>(obj); + return os.str(); +} + +/*! + * \brief Get the type key of an object as a std::string. + */ +std::string GetTypeKeyStr(const Object* obj) { + const TVMFFITypeInfo* type_info = TVMFFIGetTypeInfo(obj->type_index()); + return std::string(type_info->type_key.data, type_info->type_key.size); +} + +/*! + * \brief Lazily initialize and return the __ffi_repr__ TypeAttrColumn. + * + * Returns nullptr if the column does not exist (e.g., before registration). + */ +const TVMFFITypeAttrColumn* GetReprColumn() { Review Comment: updated -- 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] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
