Merge branch 'develop' into develop

CMakeLists.txt

@@ -9,7 +9,6 @@ option(LOG_PROFILE "log profile" ON)
 option(CPU "armv7 with neon" ON)
 option(MALI_GPU "mali gpu" OFF)
 option(FPGA "fpga" OFF)
-option(QUANTI "quantification" OFF)
 
 file(GLOB_RECURSE PADDLE_MOBILE_CC src/*.cc src/*.cpp src/*.c src/*.mm)
 file(GLOB_RECURSE PADDLE_MOBILE_H src/*.h)
@@ -163,7 +162,4 @@ if(DEBUGING)
     endif()
 endif()
 
-if (QUANTI)
-    add_subdirectory(tools/quantification)
-endif ()
 

doc/quantification.md

+# Quantification 模型量化、反量化
+
+## 背景故事
+部分网络如AlexNet训练出的模型体积较大，不适宜在移动设备上使用。
+
+
+## 解决模型过大办法
+1. 选用适合移动端的模型结构如：mobilenet、googlenet、 yolo、squeezenet 等；
+2. 使用我们提供的量化工具，可以在几乎不影响精度的情况下将float32模型减小至原模型的 1/4；
+
+- - - - - 
+## 量化工具介绍
+
+### 模型转化工具目录：
+
+- [量化工具目录](https://github.com/PaddlePaddle/paddle-mobile/tree/develop/tools/quantification)
+
+- [模型转化工具](https://github.com/PaddlePaddle/paddle-mobile/blob/develop/tools/quantification/convert.cpp)
+
+#### 使用说明
+- [工具使用](https://github.com/PaddlePaddle/paddle-mobile/blob/develop/tools/quantification/README.md)
+
+## 如何读取量化后的模型
+load方法中添加了 quantification 参数，默认为false。 如果需要load量化后的模型，按需传参即可。
+
+[我是源代码](https://github.com/PaddlePaddle/paddle-mobile/blob/55302b33ea3bd68c9797d8f65e527544792b8095/src/io/paddle_mobile.h)
+
+```c++
+bool Load(const std::string &dirname, bool optimize = false,
+            bool quantification = false, int batch_size = 1);
+```
+
+- - - - - 
+
+
+
+
+
+

tools/quantification/CMakeLists.txt

-set(dir ${CMAKE_CURRENT_SOURCE_DIR})
-set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${dir}/build")
+cmake_minimum_required(VERSION 3.6)
+project(quali)
+add_definitions(-DENABLE_EXCEPTION)
 
-ADD_EXECUTABLE(convert convert.cpp)
-target_link_libraries(convert paddle-mobile)
\ No newline at end of file
+set(CMAKE_CXX_STANDARD 11)
+file(GLOB_RECURSE QULIFICATON_CC src/*.cc src/*.cpp src/*.c src/*.mm)
+file(GLOB_RECURSE QULIFICATON_H src/*.h)
+include_directories(. src/)
+
+#add_library(paddle-mobile SHARED ${QULIFICATON_CC} ${QULIFICATON_H} convert.cpp)
+
+add_executable(quantify convert.cpp ${QULIFICATON_CC} ${QULIFICATON_H})
\ No newline at end of file

tools/quantification/README.md

+# 模型量化脚本
+
+#### 量化脚本使用指南
+1. 在PaddleMobile项目目录下（如 ~/PaddleProject/paddle-mobile）
+
+2. cd到  tools/quantification/ 目录
+
+3. cmake编译
+
+    ``` sh
+    cmake .
+    make
+    ```
+
+4. 运行量化脚本
+    ```sh
+    ./quantify (0:seperated. 1:combined ) (输入路径) (输出路径)
+    # quantify googlenet seperated   from  /Users/xiebaiyuan/PaddleProject/quali/models/googlenet to ./googlenet_min
+    ./quantify 0 /Users/xiebaiyuan/PaddleProject/quali/models/googlenet ./googlenet_min 
+
+    ```
+
+*注:*
+*量化工具中*
+*1.seperated模型model文件默认命名为 "__model__";*
+*2.combined模型的model文件默认命名为 "model",参数文件默认命名为"params";*
+
+    
+##### 整体如下:
+以googlenet非combined为例：
+
+```sh
+cd tools/quantification/
+cmake .
+make
+./quantify 0 /Users/xiebaiyuan/PaddleProject/quali/models/googlenet ./googlenet_min
+```
+
+

tools/quantification/convert.cpp

 
 
-#include "io/paddle_mobile.h"
+#include "src/enforce.h"
+#include "src/var_desc.h"
+#include "src/program_desc.h"
 #include <cstdlib>
-using std::string;
-
-static const std::string g_googlenet_combine = "../models/googlenet_combine";
-static const std::string g_googlenet = "../models/googlenet";
-using paddle_mobile::Executor;
-using paddle_mobile::framework::Program;
-
-    char *Get_binary_data(std::string filename) {
-        FILE *file = fopen(filename.c_str(), "rb");
-        PADDLE_MOBILE_ENFORCE(file != nullptr, "can't open file: %s ",
-                              filename.c_str());
-        fseek(file, 0, SEEK_END);
-        int64_t size = ftell(file);
-        PADDLE_MOBILE_ENFORCE(size > 0, "size is too small");
-        rewind(file);
-        char *data = new char[size];
-        size_t bytes_read = fread(data, 1, size, file);
-        PADDLE_MOBILE_ENFORCE(bytes_read == size,
-                              "read binary file bytes do not match with fseek");
-        DLOG << "Get_binary_data end";
-        fclose(file);
-        return data;
+#include <string>
+#include <cmath>
+#include <iostream>
+#include <utility>
+#include <vector>
+#include "src/framework.pb-c.h"
+#include "src/protobuf-c.h"
+#include <fstream>
+#include <iostream>
+
+
+const size_t kSize64 = sizeof(uint64_t);
+const size_t kSize32 = sizeof(uint32_t);
+
+char *Get_binary_data(const std::string &filename) {
+
+    FILE *file = fopen(filename.c_str(), "rb");
+
+    PADDLE_MOBILE_ENFORCE(file != nullptr, "can't open file: %s ",
+                          filename.c_str());
+    fseek(file, 0, SEEK_END);
+    int64_t size = ftell(file);
+
+    PADDLE_MOBILE_ENFORCE(size > 0, "size is too small");
+    rewind(file);
+    auto *data = new char[size];
+    size_t bytes_read = fread(data, 1, static_cast<size_t>(size), file);
+    PADDLE_MOBILE_ENFORCE(bytes_read == size,
+                          "read binary file bytes do not match with fseek");
+    fclose(file);
+    return data;
+}
+
+
+static size_t ReadBuffer(const char *file_name, uint8_t **out) {
+    FILE *fp;
+    fp = fopen(file_name, "rb");
+    PADDLE_MOBILE_ENFORCE(fp != nullptr, " %s open failed !", file_name);
+    fseek(fp, 0, SEEK_END);
+    auto size = static_cast<size_t>(ftell(fp));
+    rewind(fp);
+    *out = reinterpret_cast<uint8_t *>(malloc(size));
+    size_t cur_len = 0;
+    size_t nread;
+    while ((nread = fread(*out + cur_len, 1, size - cur_len, fp)) != 0) {
+        cur_len += nread;
     }
+    fclose(fp);
+    return cur_len;
+}
 
-    void LoadWithDump(const paddle_mobile::framework::VarDesc var_desc,
-                    paddle_mobile::framework::LoDTensor *tensor, char **data, FILE *out_file) {
-        // 1. version
-        uint32_t version = *reinterpret_cast<uint32_t *>(*data);
-        // write version
-        fwrite(&version, sizeof(uint32_t), 1, out_file );
-        (*data) += sizeof(uint32_t);
-        // 2 Lod information
-        uint64_t *lod_level_ptr = new uint64_t();
-        memcpy(lod_level_ptr, (*data), sizeof(uint64_t));
-        uint64_t lod_level = 0;
-        // write lod Information
-        fwrite(&lod_level, sizeof(uint64_t), 1, out_file);
-        delete lod_level_ptr;
-        (*data) += sizeof(uint64_t);
-        auto &lod = *tensor->mutable_lod();
-        lod.resize(lod_level);
-        for (uint64_t i = 0; i < lod_level; ++i) {
-            uint64_t size = *reinterpret_cast<uint64_t *>(*data);
-            // write lod size
-            fwrite(&size, sizeof(uint64_t), 1, out_file);
-            (*data) += sizeof(uint64_t);
-            std::vector<size_t> tmp(size / sizeof(size_t));
-            for (int k = 0; k < tmp.size(); ++k) {
-                tmp[k] = *reinterpret_cast<size_t *>(*data);
-                (*data) += sizeof(size_t);
-            }
-            // write lod size vector
-            fwrite(&tmp, sizeof(size_t), tmp.size(), out_file );
+std::shared_ptr<ProgramDesc> loadParams(const std::string &model_path) {
+    PaddleMobile__Framework__Proto__ProgramDesc *c_program;
+    uint8_t *buf = nullptr;
+    size_t read_size = ReadBuffer(model_path.c_str(), &buf);
+    PADDLE_MOBILE_ENFORCE(buf != nullptr, "read from __model__ is null");
+    c_program = paddle_mobile__framework__proto__program_desc__unpack(
+            nullptr, read_size, buf);
+    PADDLE_MOBILE_ENFORCE(c_program != nullptr, "program is null");
+    auto originProgramDesc = std::make_shared<ProgramDesc>(c_program);
+    return originProgramDesc;
 
-            lod[i] = tmp;
-        }
+}
 
-        // 3. tensor version
-        uint32_t tensor_version = *reinterpret_cast<uint32_t *>(*data);
-        // write tensor version
-        fwrite(&tensor_version, sizeof(uint32_t), 1, out_file);
-        (*data) += sizeof(uint32_t);
-
-        // 4. tensor desc
-        int32_t size = *reinterpret_cast<int32_t *>(*data);
-        // write tensor desc
-        fwrite(&size, sizeof(int32_t), 1, out_file);
-        (*data) += sizeof(int32_t);
-
-        std::unique_ptr<char[]> buf(new char[size]);
-        for (int m = 0; m < size; ++m) {
-            buf.get()[m] = (*data)[m];
-        }
-        fwrite(buf.get(), sizeof(char), size, out_file);
-        (*data) += (sizeof(char) * size);
+void LoadWithDump(const paddle_mobile::framework::VarDesc &var_desc, char *dataP, FILE *out_file) {
+    // 1. version
+    uint32_t version = *reinterpret_cast<uint32_t *>(dataP);
 
-        const paddle_mobile::framework::TensorDesc &desc = var_desc.Tensor_desc();
-        int memory_size = 1;
-        for (auto l : desc.Dims()) {
-            memory_size *= l;
-        }
-        tensor->Resize(paddle_mobile::framework::make_ddim(desc.Dims()));
-
-        void *memory = tensor;
-        int type_size = 0;
-        switch (desc.DataType()) {
-            case paddle_mobile::framework::VARTYPE_TYPE_FP16:
-                type_size = 2;
-                break;
-            case paddle_mobile::framework::VARTYPE_TYPE_FP32:
-                type_size = 4;
-                memory = tensor->mutable_data<float>();
-                break;
-            case paddle_mobile::framework::VARTYPE_TYPE_FP64:
-                type_size = 8;
-                break;
-            case paddle_mobile::framework::VARTYPE_TYPE_INT32:
-                type_size = 4;
-                break;
-            case paddle_mobile::framework::VARTYPE_TYPE_INT64:
-                type_size = 8;
-                break;
-            case paddle_mobile::framework::VARTYPE_TYPE_BOOL:
-                type_size = 1;
-                break;
-            default:
-                break;
-        }
-        for (int n = 0; n < memory_size * type_size; ++n) {
-            static_cast<char *>(memory)[n] = (*data)[n];
-        }
-        (*data) += (sizeof(char) * memory_size * type_size);
-        // for float 32
-        float min_value = std::numeric_limits<float>::max();
-        float max_value = std::numeric_limits<float>::min();
-        for (int k = 0; k < memory_size; ++k) {
-            min_value = std::min(min_value, static_cast<float *> (memory)[k]);
-            max_value = std::max(max_value, static_cast<float *> (memory)[k]);
-        }
-        fwrite(&min_value, sizeof(float), 1, out_file);
-        fwrite(&max_value, sizeof(float), 1, out_file);
-        for (int g = 0; g < memory_size; ++g) {
-            float value = static_cast<float *> (memory)[g];
-            uint8_t factor = (uint8_t) round((value - min_value) / (max_value - min_value) * 255);
-            fwrite(&factor, sizeof(uint8_t), 1, out_file);
+    // write version
+    fwrite(&version, kSize32, 1, out_file);
+
+    dataP += kSize32;
+
+    // 2 Lod information
+    auto *lod_level_ptr = new uint64_t();
+    memcpy(lod_level_ptr, dataP, kSize64);
+
+    uint64_t lod_level = 0;
+    // write lod Information
+    fwrite(&lod_level, kSize64, 1, out_file);
+    delete lod_level_ptr;
+
+    dataP += kSize64;
+
+    for (uint64_t i = 0; i < lod_level; ++i) {
+        uint64_t size = *reinterpret_cast<uint64_t *>(dataP);
+        // write lod size
+        fwrite(&size, kSize64, 1, out_file);
+        (dataP) += kSize64;
+
+        std::vector<size_t> tmp(size / sizeof(size_t));
+        for (unsigned long &k : tmp) {
+            k = *reinterpret_cast<size_t *>(dataP);
+            (dataP) += sizeof(size_t);
         }
+        // write lod size vector
+        fwrite(&tmp, sizeof(size_t), tmp.size(), out_file);
+    }
+
+    // 3. tensor version
+    uint32_t tensor_version = *reinterpret_cast<uint32_t *>(dataP);
+    // write tensor version
+    fwrite(&tensor_version, kSize32, 1, out_file);
+    (dataP) += kSize32;
+
+    // 4. tensor desc
+    int32_t size = *reinterpret_cast<int32_t *>(dataP);
+    // write tensor desc
+    fwrite(&size, sizeof(int32_t), 1, out_file);
+    (dataP) += sizeof(int32_t);
+
+    std::unique_ptr<char[]> buf(new char[size]);
+    for (int m = 0; m < size; ++m) {
+        buf.get()[m] = (dataP)[m];
+    }
+
+    fwrite(buf.get(), sizeof(char), static_cast<size_t>(size), out_file);
+    (dataP) += (sizeof(char) * size);
+
+    const paddle_mobile::framework::TensorDesc &desc = var_desc.Tensor_desc();
+    int memory_size = 1;
+    for (auto l : desc.Dims()) {
+        memory_size *= l;
+    }
+
+    void *memory = nullptr;
+    int type_size = 0;
+    switch (desc.DataType()) {
+        case paddle_mobile::framework::VARTYPE_TYPE_FP16:
+            type_size = 2;
+            break;
+        case paddle_mobile::framework::VARTYPE_TYPE_FP32:
+            type_size = 4;
+            break;
+        case paddle_mobile::framework::VARTYPE_TYPE_FP64:
+            type_size = 8;
+            break;
+        case paddle_mobile::framework::VARTYPE_TYPE_INT32:
+            type_size = 4;
+            break;
+        case paddle_mobile::framework::VARTYPE_TYPE_INT64:
+            type_size = 8;
+            break;
+        case paddle_mobile::framework::VARTYPE_TYPE_BOOL:
+            type_size = 1;
+            break;
+        default:
+            break;
+    }
+    size_t tensorSize = sizeof(char) * memory_size * type_size;
+
+    memory = new char[tensorSize];
+
+    for (int n = 0; n < tensorSize; ++n) {
+        static_cast<char *>(memory)[n] = (dataP)[n];
+    }
+    dataP += tensorSize;
+
+    // for float 32
+    float min_value = std::numeric_limits<float>::max();
+    float max_value = std::numeric_limits<float>::min();
 
+    for (int k = 0; k < memory_size; ++k) {
+        min_value = std::min(min_value, static_cast<float *> (memory)[k]);
+        max_value = std::max(max_value, static_cast<float *> (memory)[k]);
+    }
+
+    fwrite(&min_value, sizeof(float), 1, out_file);
+    fwrite(&max_value, sizeof(float), 1, out_file);
 
+    for (int g = 0; g < memory_size; ++g) {
+        float value = static_cast<float *> (memory)[g];
+        auto factor = (uint8_t) round((value - min_value) / (max_value - min_value) * 255);
+        fwrite(&factor, sizeof(uint8_t), 1, out_file);
     }
+}
 
-    void quantificate_combined(std::string model_path, std::string param_path, std::string param_min_path){
-        paddle_mobile::Loader<paddle_mobile::CPU,paddle_mobile::Precision::FP32 > loader;
-        bool optimize = true;
-        auto program = loader.Load(model_path, param_path, optimize);
-        char *origin_data = Get_binary_data(program.para_path);
-        char *data = origin_data;
-        FILE *out_file = fopen(param_min_path.c_str(), "wb");
-        for (const auto &block : program.originProgram->Blocks()) {
-            for (const auto &var_desc : block->Vars()) {
-                auto var = program.scope->Var(var_desc->Name());
-                if(var_desc ->Persistable()) {
-                    auto tensor = var->template GetMutable<paddle_mobile::framework::LoDTensor>();
-                    if (var_desc->Name() == "feed" || var_desc->Name() == "fetch") {
-                        continue;
-                    }
-                    LoadWithDump(*var_desc, tensor, &data,out_file);
+void
+quantificate_combined(const std::string &model_path, const std::string &param_path, const std::string &param_min_path) {
+
+    auto program = loadParams(model_path);
+    char *origin_data = Get_binary_data(param_path);
+    char *data = origin_data;
+    FILE *out_file = fopen(param_min_path.c_str(), "wb");
+    for (const auto &block : program->Blocks()) {
+        for (const auto &var_desc : block->Vars()) {
+            if (var_desc->Persistable()) {
+                if (var_desc->Name() == "feed" || var_desc->Name() == "fetch") {
+                    continue;
                 }
+                LoadWithDump(*var_desc, data, out_file);
             }
         }
-        fclose(out_file);
-        delete origin_data;
-
     }
-    void quantificate_seperated(std::string model_dir, std::string param_min_path) {
-        paddle_mobile::Loader<paddle_mobile::CPU,paddle_mobile::Precision::FP32 > loader;
-        bool optimize = true;
-        auto program = loader.Load(model_dir, optimize);
-        std::string shell_command = "mkdir "+param_min_path;
-        system(shell_command.c_str());
-        for (const auto &block : program.originProgram->Blocks()) {
-            for (const auto &var_desc : block->Vars()) {
-                auto var = program.scope->Var(var_desc->Name());
-                if(var_desc ->Persistable()) {
-                    auto tensor = var->template GetMutable<paddle_mobile::framework::LoDTensor>();
-                    if (var_desc->Name() == "feed" || var_desc->Name() == "fetch") {
-                        continue;
-                    }
-                    std::string file_name = param_min_path +"/"+ var_desc->Name();
-
-                    FILE *out_file = fopen(file_name.c_str(), "wb");
-                    char *origin_data =
-                            Get_binary_data(program.model_path + "/" + var_desc->Name());
-                    char *data = origin_data;
-                    LoadWithDump(*var_desc, tensor, &data,out_file);
-                    delete origin_data;
-                    fclose(out_file);
+    fclose(out_file);
+    delete origin_data;
+
+}
+
+void quantificate_seperated(const std::string model_dir, const std::string param_min_path) {
+
+    auto program = loadParams(model_dir + "/__model__");
+
+    std::string shell_command = "mkdir " + param_min_path;
+    system(shell_command.c_str());
+
+    for (const auto &block : program->Blocks()) {
+        for (const auto &var_desc : block->Vars()) {
+            if (var_desc->Persistable()) {
+                if (var_desc->Name() == "feed" || var_desc->Name() == "fetch") {
+                    continue;
                 }
+                std::string file_name = param_min_path + "/" + var_desc->Name();
+                FILE *out_file = fopen(file_name.c_str(), "wb");
+                char *origin_data = Get_binary_data(model_dir + "/" + var_desc->Name());
+                char *data = origin_data;
+                LoadWithDump(*var_desc, data, out_file);
+                delete origin_data;
+                fclose(out_file);
             }
         }
+    }
+
+}
+
+
+int main(int argc, char **argv) {
+
+    const std::string kNoteEg = "( eg:  ./quantify 1 your_combined_model_path output_path  or  ./quantify 0 your_seperated_model_path output_path)";
 
+    PADDLE_MOBILE_ENFORCE(argc > 1, "wee need params.%s ", kNoteEg.c_str());
+
+    std::string action_type = argv[1];
+    PADDLE_MOBILE_ENFORCE(argc > 1 && (action_type) == "1" || action_type == "0",
+                          "only 1 or 2 supported, current is %s %s ",
+                          action_type.c_str(),
+                          kNoteEg.c_str());
+
+    PADDLE_MOBILE_ENFORCE(argc > 2, "we need your model path. %s ", kNoteEg.c_str());
+    std::string base_path = argv[2];
+
+    PADDLE_MOBILE_ENFORCE(argc > 3, "we need your output path. %s ", kNoteEg.c_str());
+    std::string output_path = argv[3];
+
+    if (action_type == "0") {
+        // for seperated
+        const std::string &seperated_min_dir = output_path;
+        quantificate_seperated(base_path, seperated_min_dir);
+        return 0;
     }
-    int main() {
-        std::string filename = "params_min";
-        std::string model_path = g_googlenet_combine + "/model";
-        std::string param_path = g_googlenet_combine + "/params";
-        std::string dirname = "param_min_dir";
-        std::string model_dir = g_googlenet;
-//        quantificate_combined(model_path, param_path,filename);
-        quantificate_seperated(model_dir, dirname);
+
+    if (action_type == "1") {
+        // for combined
+        const std::string &combined_min_dir = output_path;
+        std::string model_path = base_path + "/model";
+        std::string param_path = base_path + "/params";
+        quantificate_combined(model_path, param_path, combined_min_dir);
 
         return 0;
     }
 
+    return -1;
+}
+
 
 
 

tools/quantification/src/block_desc_local.cpp

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed 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. */
+
+//
+// Created by 谢柏渊 on 2018/7/25.
+//
+#include "src/block_desc_local.h"
+#include <algorithm>
+#include <memory>
+#include <vector>
+
+#include "src/framework.pb-c.h"
+
+std::vector<std::shared_ptr<paddle_mobile::framework::VarDesc>>
+BlockDesc::Vars() const {
+  return vars_;
+}
+
+BlockDesc::BlockDesc(PaddleMobile__Framework__Proto__BlockDesc *desc)
+    : index_(desc->idx), parent_index_(desc->idx) {
+  for (int i = 0; i < desc->n_vars; ++i) {
+    PaddleMobile__Framework__Proto__VarDesc *var_desc = desc->vars[i];
+    vars_.emplace_back(std::shared_ptr<paddle_mobile::framework::VarDesc>(
+        new paddle_mobile::framework::VarDesc(var_desc)));
+  }
+
+  std::sort(vars_.begin(), vars_.end(),
+            [](std::shared_ptr<paddle_mobile::framework::VarDesc> left,
+               std::shared_ptr<paddle_mobile::framework::VarDesc> right) {
+              return left->Name() < right->Name();
+            });
+
+  //        for (int j = 0; j < desc->n_ops; ++j) {
+  //            PaddleMobile__Framework__Proto__OpDesc *op_desc = desc->ops[j];
+  //            ops_.emplace_back(new OpDesc(op_desc));
+  //        }
+}

tools/quantification/src/block_desc_local.h

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed 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. */
+
+//
+// Created by 谢柏渊 on 2018/7/25.
+//
+
+#ifndef TOOLS_QUANTIFICATION_SRC_BLOCK_DESC_LOCAL_H_
+#define TOOLS_QUANTIFICATION_SRC_BLOCK_DESC_LOCAL_H_
+
+#include <vector>
+#include "src/var_desc.h"
+
+class BlockDesc {
+ public:
+  friend class Node;
+  friend class ProgramOptimize;
+  BlockDesc() {}
+  explicit BlockDesc(PaddleMobile__Framework__Proto__BlockDesc *desc);
+
+  const int &ID() const { return index_; }
+
+  const bool &MultiThread() const { return multi_thread_; }
+
+  const int &Parent() const { return parent_index_; }
+
+  bool operator==(const BlockDesc &in_block) const {
+    return this->ID() == in_block.ID() && this->Parent() == in_block.Parent();
+  }
+
+  bool operator<(const BlockDesc &in_block) const {
+    return this->ID() < in_block.ID() && this->Parent() < in_block.Parent();
+  }
+
+  std::vector<std::shared_ptr<paddle_mobile::framework::VarDesc>> Vars() const;
+
+ private:
+  int index_;
+  bool multi_thread_;
+  int parent_index_;
+  std::vector<std::shared_ptr<paddle_mobile::framework::VarDesc>> vars_;
+};
+
+#endif  // TOOLS_QUANTIFICATION_SRC_BLOCK_DESC_LOCAL_H_

tools/quantification/src/enforce.h

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed 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. */
+
+#pragma once
+
+#ifdef ENABLE_EXCEPTION
+#include <stdio.h>
+#include <exception>
+#include <string>
+
+#endif
+
+namespace paddle_mobile {
+
+#ifdef ENABLE_EXCEPTION
+struct PaddleMobileException : public std::exception {
+  const std::string exception_prefix = "paddle mobile C++ Exception: \n";
+  std::string message;
+
+  PaddleMobileException(const char *header, const char *detail,
+                        const char *file, const int line) {
+    char buffer[1500];
+    snprintf(buffer, sizeof(buffer),
+             "%s| %s \n| [in file] : %s\n| [on line] : %d\n| [detail]  : %s\n",
+             exception_prefix.c_str(), header, file, line, detail);
+    message = std::string(buffer);
+  }
+  const char *what() const noexcept { return message.c_str(); }
+};
+
+#define PADDLE_MOBILE_THROW_EXCEPTION(...)                                 \
+  {                                                                        \
+    char buffer[1000];                                                     \
+    snprintf(buffer, sizeof(buffer), __VA_ARGS__);                         \
+    std::string detail(buffer);                                            \
+    throw paddle_mobile::PaddleMobileException("Custom Exception", buffer, \
+                                               __FILE__, __LINE__);        \
+  }
+
+#define PADDLE_MOBILE_ENFORCE(stat, ...)                                      \
+  {                                                                           \
+    if (stat) {                                                               \
+    } else {                                                                  \
+      char buffer[1000];                                                      \
+      snprintf(buffer, sizeof(buffer), __VA_ARGS__);                          \
+      std::string detail(buffer);                                             \
+      throw paddle_mobile::PaddleMobileException("paddle-mobile enforce",     \
+                                                 buffer, __FILE__, __LINE__); \
+    }                                                                         \
+  }
+#else
+#define PADDLE_MOBILE_THROW_EXCEPTION(...)
+#define PADDLE_MOBILE_ENFORCE(stat, ...)
+#endif
+
+}  // namespace paddle_mobile

tools/quantification/src/framework.pb-c.c

+/* Generated by the protocol buffer compiler.  DO NOT EDIT! */
+/* Generated from: framework.proto */
+
+/* Do not generate deprecated warnings for self */
+#ifndef PROTOBUF_C__NO_DEPRECATED
+#define PROTOBUF_C__NO_DEPRECATED
+#endif
+
+#include "framework.pb-c.h"
+void paddle_mobile__framework__proto__op_desc__attr__init(
+    PaddleMobile__Framework__Proto__OpDesc__Attr *message) {
+  static const PaddleMobile__Framework__Proto__OpDesc__Attr init_value =
+      PADDLE_MOBILE__FRAMEWORK__PROTO__OP_DESC__ATTR__INIT;
+  *message = init_value;
+}
+void paddle_mobile__framework__proto__op_desc__var__init(
+    PaddleMobile__Framework__Proto__OpDesc__Var *message) {
+  static const PaddleMobile__Framework__Proto__OpDesc__Var init_value =
+      PADDLE_MOBILE__FRAMEWORK__PROTO__OP_DESC__VAR__INIT;
+  *message = init_value;
+}
+void paddle_mobile__framework__proto__op_desc__init(
+    PaddleMobile__Framework__Proto__OpDesc *message) {
+  static const PaddleMobile__Framework__Proto__OpDesc init_value =
+      PADDLE_MOBILE__FRAMEWORK__PROTO__OP_DESC__INIT;
+  *message = init_value;
+}
+size_t paddle_mobile__framework__proto__op_desc__get_packed_size(
+    const PaddleMobile__Framework__Proto__OpDesc *message) {
+  assert(message->base.descriptor ==
+         &paddle_mobile__framework__proto__op_desc__descriptor);
+  return protobuf_c_message_get_packed_size(
+      (const ProtobufCMessage *)(message));
+}
+
+PaddleMobile__Framework__Proto__OpDesc *
+paddle_mobile__framework__proto__op_desc__unpack(ProtobufCAllocator *allocator,
+                                                 size_t len,
+                                                 const uint8_t *data) {
+  return (PaddleMobile__Framework__Proto__OpDesc *)protobuf_c_message_unpack(
+      &paddle_mobile__framework__proto__op_desc__descriptor, allocator, len,
+      data);
+}
+void paddle_mobile__framework__proto__op_desc__free_unpacked(
+    PaddleMobile__Framework__Proto__OpDesc *message,
+    ProtobufCAllocator *allocator) {
+  if (!message) return;
+  assert(message->base.descriptor ==
+         &paddle_mobile__framework__proto__op_desc__descriptor);
+  protobuf_c_message_free_unpacked((ProtobufCMessage *)message, allocator);
+}
+void paddle_mobile__framework__proto__op_proto__var__init(
+    PaddleMobile__Framework__Proto__OpProto__Var *message) {
+  static const PaddleMobile__Framework__Proto__OpProto__Var init_value =
+      PADDLE_MOBILE__FRAMEWORK__PROTO__OP_PROTO__VAR__INIT;
+  *message = init_value;
+}
+void paddle_mobile__framework__proto__op_proto__attr__init(
+    PaddleMobile__Framework__Proto__OpProto__Attr *message) {
+  static const PaddleMobile__Framework__Proto__OpProto__Attr init_value =
+      PADDLE_MOBILE__FRAMEWORK__PROTO__OP_PROTO__ATTR__INIT;
+  *message = init_value;
+}
+void paddle_mobile__framework__proto__op_proto__init(
+    PaddleMobile__Framework__Proto__OpProto *message) {
+  static const PaddleMobile__Framework__Proto__OpProto init_value =
+      PADDLE_MOBILE__FRAMEWORK__PROTO__OP_PROTO__INIT;
+  *message = init_value;
+}
+size_t paddle_mobile__framework__proto__op_proto__get_packed_size(
+    const PaddleMobile__Framework__Proto__OpProto *message) {
+  assert(message->base.descriptor ==
+         &paddle_mobile__framework__proto__op_proto__descriptor);
+  return protobuf_c_message_get_packed_size(
+      (const ProtobufCMessage *)(message));
+}
+
+PaddleMobile__Framework__Proto__OpProto *
+paddle_mobile__framework__proto__op_proto__unpack(ProtobufCAllocator *allocator,
+                                                  size_t len,
+                                                  const uint8_t *data) {
+  return (PaddleMobile__Framework__Proto__OpProto *)protobuf_c_message_unpack(
+      &paddle_mobile__framework__proto__op_proto__descriptor, allocator, len,
+      data);
+}
+void paddle_mobile__framework__proto__op_proto__free_unpacked(
+    PaddleMobile__Framework__Proto__OpProto *message,
+    ProtobufCAllocator *allocator) {
+  if (!message) return;
+  assert(message->base.descriptor ==
+         &paddle_mobile__framework__proto__op_proto__descriptor);
+  protobuf_c_message_free_unpacked((ProtobufCMessage *)message, allocator);
+}
+void paddle_mobile__framework__proto__var_type__tensor_desc__init(
+    PaddleMobile__Framework__Proto__VarType__TensorDesc *message) {
+  static const PaddleMobile__Framework__Proto__VarType__TensorDesc init_value =
+      PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TENSOR_DESC__INIT;
+  *message = init_value;
+}
+void paddle_mobile__framework__proto__var_type__lo_dtensor_desc__init(
+    PaddleMobile__Framework__Proto__VarType__LoDTensorDesc *message) {
+  static const PaddleMobile__Framework__Proto__VarType__LoDTensorDesc
+      init_value =
+          PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__LO_DTENSOR_DESC__INIT;
+  *message = init_value;
+}
+void paddle_mobile__framework__proto__var_type__lo_dtensor_array_desc__init(
+    PaddleMobile__Framework__Proto__VarType__LoDTensorArrayDesc *message) {
+  static const PaddleMobile__Framework__Proto__VarType__LoDTensorArrayDesc
+      init_value =
+          PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__LO_DTENSOR_ARRAY_DESC__INIT;
+  *message = init_value;
+}
+void paddle_mobile__framework__proto__var_type__reader_desc__init(
+    PaddleMobile__Framework__Proto__VarType__ReaderDesc *message) {
+  static const PaddleMobile__Framework__Proto__VarType__ReaderDesc init_value =
+      PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__READER_DESC__INIT;
+  *message = init_value;
+}
+void paddle_mobile__framework__proto__var_type__channel_desc__init(
+    PaddleMobile__Framework__Proto__VarType__ChannelDesc *message) {
+  static const PaddleMobile__Framework__Proto__VarType__ChannelDesc init_value =
+      PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__CHANNEL_DESC__INIT;
+  *message = init_value;
+}
+void paddle_mobile__framework__proto__var_type__tuple__init(
+    PaddleMobile__Framework__Proto__VarType__Tuple *message) {
+  static const PaddleMobile__Framework__Proto__VarType__Tuple init_value =
+      PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TUPLE__INIT;
+  *message = init_value;
+}
+void paddle_mobile__framework__proto__var_type__init(
+    PaddleMobile__Framework__Proto__VarType *message) {
+  static const PaddleMobile__Framework__Proto__VarType init_value =
+      PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__INIT;
+  *message = init_value;
+}
+size_t paddle_mobile__framework__proto__var_type__get_packed_size(
+    const PaddleMobile__Framework__Proto__VarType *message) {
+  assert(message->base.descriptor ==
+         &paddle_mobile__framework__proto__var_type__descriptor);
+  return protobuf_c_message_get_packed_size(
+      (const ProtobufCMessage *)(message));
+}
+PaddleMobile__Framework__Proto__VarType *
+paddle_mobile__framework__proto__var_type__unpack(ProtobufCAllocator *allocator,
+                                                  size_t len,
+                                                  const uint8_t *data) {
+  return (PaddleMobile__Framework__Proto__VarType *)protobuf_c_message_unpack(
+      &paddle_mobile__framework__proto__var_type__descriptor, allocator, len,
+      data);
+}
+void paddle_mobile__framework__proto__var_type__free_unpacked(
+    PaddleMobile__Framework__Proto__VarType *message,
+    ProtobufCAllocator *allocator) {
+  if (!message) return;
+  assert(message->base.descriptor ==
+         &paddle_mobile__framework__proto__var_type__descriptor);
+  protobuf_c_message_free_unpacked((ProtobufCMessage *)message, allocator);
+}
+void paddle_mobile__framework__proto__var_desc__init(
+    PaddleMobile__Framework__Proto__VarDesc *message) {
+  static const PaddleMobile__Framework__Proto__VarDesc init_value =
+      PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_DESC__INIT;
+  *message = init_value;
+}
+size_t paddle_mobile__framework__proto__var_desc__get_packed_size(
+    const PaddleMobile__Framework__Proto__VarDesc *message) {
+  assert(message->base.descriptor ==
+         &paddle_mobile__framework__proto__var_desc__descriptor);
+  return protobuf_c_message_get_packed_size(
+      (const ProtobufCMessage *)(message));
+}
+
+PaddleMobile__Framework__Proto__VarDesc *
+paddle_mobile__framework__proto__var_desc__unpack(ProtobufCAllocator *allocator,
+                                                  size_t len,
+                                                  const uint8_t *data) {
+  return (PaddleMobile__Framework__Proto__VarDesc *)protobuf_c_message_unpack(
+      &paddle_mobile__framework__proto__var_desc__descriptor, allocator, len,
+      data);
+}
+void paddle_mobile__framework__proto__var_desc__free_unpacked(
+    PaddleMobile__Framework__Proto__VarDesc *message,
+    ProtobufCAllocator *allocator) {
+  if (!message) return;
+  assert(message->base.descriptor ==
+         &paddle_mobile__framework__proto__var_desc__descriptor);
+  protobuf_c_message_free_unpacked((ProtobufCMessage *)message, allocator);
+}
+void paddle_mobile__framework__proto__block_desc__init(
+    PaddleMobile__Framework__Proto__BlockDesc *message) {
+  static const PaddleMobile__Framework__Proto__BlockDesc init_value =
+      PADDLE_MOBILE__FRAMEWORK__PROTO__BLOCK_DESC__INIT;
+  *message = init_value;
+}
+size_t paddle_mobile__framework__proto__block_desc__get_packed_size(
+    const PaddleMobile__Framework__Proto__BlockDesc *message) {
+  assert(message->base.descriptor ==
+         &paddle_mobile__framework__proto__block_desc__descriptor);
+  return protobuf_c_message_get_packed_size(
+      (const ProtobufCMessage *)(message));
+}
+
+PaddleMobile__Framework__Proto__BlockDesc *
+paddle_mobile__framework__proto__block_desc__unpack(
+    ProtobufCAllocator *allocator, size_t len, const uint8_t *data) {
+  return (PaddleMobile__Framework__Proto__BlockDesc *)protobuf_c_message_unpack(
+      &paddle_mobile__framework__proto__block_desc__descriptor, allocator, len,
+      data);
+}
+void paddle_mobile__framework__proto__block_desc__free_unpacked(
+    PaddleMobile__Framework__Proto__BlockDesc *message,
+    ProtobufCAllocator *allocator) {
+  if (!message) return;
+  assert(message->base.descriptor ==
+         &paddle_mobile__framework__proto__block_desc__descriptor);
+  protobuf_c_message_free_unpacked((ProtobufCMessage *)message, allocator);
+}
+void paddle_mobile__framework__proto__program_desc__init(
+    PaddleMobile__Framework__Proto__ProgramDesc *message) {
+  static const PaddleMobile__Framework__Proto__ProgramDesc init_value =
+      PADDLE_MOBILE__FRAMEWORK__PROTO__PROGRAM_DESC__INIT;
+  *message = init_value;
+}
+size_t paddle_mobile__framework__proto__program_desc__get_packed_size(
+    const PaddleMobile__Framework__Proto__ProgramDesc *message) {
+  assert(message->base.descriptor ==
+         &paddle_mobile__framework__proto__program_desc__descriptor);
+  return protobuf_c_message_get_packed_size(
+      (const ProtobufCMessage *)(message));
+}
+
+PaddleMobile__Framework__Proto__ProgramDesc *
+paddle_mobile__framework__proto__program_desc__unpack(
+    ProtobufCAllocator *allocator, size_t len, const uint8_t *data) {
+  return (PaddleMobile__Framework__Proto__ProgramDesc *)
+      protobuf_c_message_unpack(
+          &paddle_mobile__framework__proto__program_desc__descriptor, allocator,
+          len, data);
+}
+void paddle_mobile__framework__proto__program_desc__free_unpacked(
+    PaddleMobile__Framework__Proto__ProgramDesc *message,
+    ProtobufCAllocator *allocator) {
+  if (!message) return;
+  assert(message->base.descriptor ==
+         &paddle_mobile__framework__proto__program_desc__descriptor);
+  protobuf_c_message_free_unpacked((ProtobufCMessage *)message, allocator);
+}
+static const ProtobufCFieldDescriptor
+    paddle_mobile__framework__proto__op_desc__attr__field_descriptors[12] = {
+        {
+            "name", 1, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_STRING,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, name), NULL,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "type", 2, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_ENUM,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, type),
+            &paddle_mobile__framework__proto__attr_type__descriptor, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "i", 3, PROTOBUF_C_LABEL_OPTIONAL, PROTOBUF_C_TYPE_INT32,
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, has_i),
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, i), NULL,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "f", 4, PROTOBUF_C_LABEL_OPTIONAL, PROTOBUF_C_TYPE_FLOAT,
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, has_f),
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, f), NULL,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "s", 5, PROTOBUF_C_LABEL_OPTIONAL, PROTOBUF_C_TYPE_STRING,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, s), NULL,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "ints", 6, PROTOBUF_C_LABEL_REPEATED, PROTOBUF_C_TYPE_INT32,
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, n_ints),
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, ints), NULL,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "floats", 7, PROTOBUF_C_LABEL_REPEATED, PROTOBUF_C_TYPE_FLOAT,
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, n_floats),
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, floats),
+            NULL, NULL, 0, /* flags */
+            0, NULL, NULL  /* reserved1,reserved2, etc */
+        },
+        {
+            "strings", 8, PROTOBUF_C_LABEL_REPEATED, PROTOBUF_C_TYPE_STRING,
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, n_strings),
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, strings),
+            NULL, NULL, 0, /* flags */
+            0, NULL, NULL  /* reserved1,reserved2, etc */
+        },
+        {
+            "b", 10, PROTOBUF_C_LABEL_OPTIONAL, PROTOBUF_C_TYPE_BOOL,
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, has_b),
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, b), NULL,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "bools", 11, PROTOBUF_C_LABEL_REPEATED, PROTOBUF_C_TYPE_BOOL,
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, n_bools),
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, bools), NULL,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "block_idx", 12, PROTOBUF_C_LABEL_OPTIONAL, PROTOBUF_C_TYPE_INT32,
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr,
+                     has_block_idx),
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, block_idx),
+            NULL, NULL, 0, /* flags */
+            0, NULL, NULL  /* reserved1,reserved2, etc */
+        },
+        {
+            "l", 13, PROTOBUF_C_LABEL_OPTIONAL, PROTOBUF_C_TYPE_INT64,
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, has_l),
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Attr, l), NULL,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+};
+static const unsigned
+    paddle_mobile__framework__proto__op_desc__attr__field_indices_by_name[] = {
+        8,  /* field[8] = b */
+        10, /* field[10] = block_idx */
+        9,  /* field[9] = bools */
+        3,  /* field[3] = f */
+        6,  /* field[6] = floats */
+        2,  /* field[2] = i */
+        5,  /* field[5] = ints */
+        11, /* field[11] = l */
+        0,  /* field[0] = name */
+        4,  /* field[4] = s */
+        7,  /* field[7] = strings */
+        1,  /* field[1] = type */
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__op_desc__attr__number_ranges[2 + 1] = {
+        {1, 0}, {10, 8}, {0, 12}};
+const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__op_desc__attr__descriptor = {
+        PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.OpDesc.Attr",
+        "Attr",
+        "PaddleMobile__Framework__Proto__OpDesc__Attr",
+        "paddle_mobile.framework.proto",
+        sizeof(PaddleMobile__Framework__Proto__OpDesc__Attr),
+        12,
+        paddle_mobile__framework__proto__op_desc__attr__field_descriptors,
+        paddle_mobile__framework__proto__op_desc__attr__field_indices_by_name,
+        2,
+        paddle_mobile__framework__proto__op_desc__attr__number_ranges,
+        (ProtobufCMessageInit)
+            paddle_mobile__framework__proto__op_desc__attr__init,
+        NULL,
+        NULL,
+        NULL /* reserved[123] */
+};
+static const ProtobufCFieldDescriptor
+    paddle_mobile__framework__proto__op_desc__var__field_descriptors[2] = {
+        {
+            "parameter", 1, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_STRING,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Var, parameter),
+            NULL, NULL, 0, /* flags */
+            0, NULL, NULL  /* reserved1,reserved2, etc */
+        },
+        {
+            "arguments", 2, PROTOBUF_C_LABEL_REPEATED, PROTOBUF_C_TYPE_STRING,
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Var, n_arguments),
+            offsetof(PaddleMobile__Framework__Proto__OpDesc__Var, arguments),
+            NULL, NULL, 0, /* flags */
+            0, NULL, NULL  /* reserved1,reserved2, etc */
+        },
+};
+static const unsigned
+    paddle_mobile__framework__proto__op_desc__var__field_indices_by_name[] = {
+        1, /* field[1] = arguments */
+        0, /* field[0] = parameter */
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__op_desc__var__number_ranges[1 + 1] = {
+        {1, 0}, {0, 2}};
+const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__op_desc__var__descriptor = {
+        PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.OpDesc.Var",
+        "Var",
+        "PaddleMobile__Framework__Proto__OpDesc__Var",
+        "paddle_mobile.framework.proto",
+        sizeof(PaddleMobile__Framework__Proto__OpDesc__Var),
+        2,
+        paddle_mobile__framework__proto__op_desc__var__field_descriptors,
+        paddle_mobile__framework__proto__op_desc__var__field_indices_by_name,
+        1,
+        paddle_mobile__framework__proto__op_desc__var__number_ranges,
+        (ProtobufCMessageInit)
+            paddle_mobile__framework__proto__op_desc__var__init,
+        NULL,
+        NULL,
+        NULL /* reserved[123] */
+};
+static const protobuf_c_boolean
+    paddle_mobile__framework__proto__op_desc__is_target__default_value = 0;
+static const ProtobufCFieldDescriptor
+    paddle_mobile__framework__proto__op_desc__field_descriptors[5] = {
+        {
+            "inputs", 1, PROTOBUF_C_LABEL_REPEATED, PROTOBUF_C_TYPE_MESSAGE,
+            offsetof(PaddleMobile__Framework__Proto__OpDesc, n_inputs),
+            offsetof(PaddleMobile__Framework__Proto__OpDesc, inputs),
+            &paddle_mobile__framework__proto__op_desc__var__descriptor, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "outputs", 2, PROTOBUF_C_LABEL_REPEATED, PROTOBUF_C_TYPE_MESSAGE,
+            offsetof(PaddleMobile__Framework__Proto__OpDesc, n_outputs),
+            offsetof(PaddleMobile__Framework__Proto__OpDesc, outputs),
+            &paddle_mobile__framework__proto__op_desc__var__descriptor, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "type", 3, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_STRING,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__OpDesc, type), NULL, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "attrs", 4, PROTOBUF_C_LABEL_REPEATED, PROTOBUF_C_TYPE_MESSAGE,
+            offsetof(PaddleMobile__Framework__Proto__OpDesc, n_attrs),
+            offsetof(PaddleMobile__Framework__Proto__OpDesc, attrs),
+            &paddle_mobile__framework__proto__op_desc__attr__descriptor, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "is_target", 5, PROTOBUF_C_LABEL_OPTIONAL, PROTOBUF_C_TYPE_BOOL,
+            offsetof(PaddleMobile__Framework__Proto__OpDesc, has_is_target),
+            offsetof(PaddleMobile__Framework__Proto__OpDesc, is_target), NULL,
+            &paddle_mobile__framework__proto__op_desc__is_target__default_value,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+};
+static const unsigned
+    paddle_mobile__framework__proto__op_desc__field_indices_by_name[] = {
+        3, /* field[3] = attrs */
+        0, /* field[0] = inputs */
+        4, /* field[4] = is_target */
+        1, /* field[1] = outputs */
+        2, /* field[2] = type */
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__op_desc__number_ranges[1 + 1] = {{1, 0},
+                                                                      {0, 5}};
+const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__op_desc__descriptor = {
+        PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.OpDesc",
+        "OpDesc",
+        "PaddleMobile__Framework__Proto__OpDesc",
+        "paddle_mobile.framework.proto",
+        sizeof(PaddleMobile__Framework__Proto__OpDesc),
+        5,
+        paddle_mobile__framework__proto__op_desc__field_descriptors,
+        paddle_mobile__framework__proto__op_desc__field_indices_by_name,
+        1,
+        paddle_mobile__framework__proto__op_desc__number_ranges,
+        (ProtobufCMessageInit)paddle_mobile__framework__proto__op_desc__init,
+        NULL,
+        NULL,
+        NULL /* reserved[123] */
+};
+static const protobuf_c_boolean
+    paddle_mobile__framework__proto__op_proto__var__duplicable__default_value =
+        0;
+static const protobuf_c_boolean
+    paddle_mobile__framework__proto__op_proto__var__intermediate__default_value =
+        0;
+static const protobuf_c_boolean
+    paddle_mobile__framework__proto__op_proto__var__dispensable__default_value =
+        0;
+static const ProtobufCFieldDescriptor
+    paddle_mobile__framework__proto__op_proto__var__field_descriptors[5] = {
+        {
+            "name", 1, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_STRING,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__OpProto__Var, name), NULL,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "comment", 2, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_STRING,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__OpProto__Var, comment),
+            NULL, NULL, 0, /* flags */
+            0, NULL, NULL  /* reserved1,reserved2, etc */
+        },
+        {
+            "duplicable", 3, PROTOBUF_C_LABEL_OPTIONAL, PROTOBUF_C_TYPE_BOOL,
+            offsetof(PaddleMobile__Framework__Proto__OpProto__Var,
+                     has_duplicable),
+            offsetof(PaddleMobile__Framework__Proto__OpProto__Var, duplicable),
+            NULL,
+            &paddle_mobile__framework__proto__op_proto__var__duplicable__default_value,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "intermediate", 4, PROTOBUF_C_LABEL_OPTIONAL, PROTOBUF_C_TYPE_BOOL,
+            offsetof(PaddleMobile__Framework__Proto__OpProto__Var,
+                     has_intermediate),
+            offsetof(PaddleMobile__Framework__Proto__OpProto__Var,
+                     intermediate),
+            NULL,
+            &paddle_mobile__framework__proto__op_proto__var__intermediate__default_value,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "dispensable", 5, PROTOBUF_C_LABEL_OPTIONAL, PROTOBUF_C_TYPE_BOOL,
+            offsetof(PaddleMobile__Framework__Proto__OpProto__Var,
+                     has_dispensable),
+            offsetof(PaddleMobile__Framework__Proto__OpProto__Var, dispensable),
+            NULL,
+            &paddle_mobile__framework__proto__op_proto__var__dispensable__default_value,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+};
+static const unsigned
+    paddle_mobile__framework__proto__op_proto__var__field_indices_by_name[] = {
+        1, /* field[1] = comment */
+        4, /* field[4] = dispensable */
+        2, /* field[2] = duplicable */
+        3, /* field[3] = intermediate */
+        0, /* field[0] = name */
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__op_proto__var__number_ranges[1 + 1] = {
+        {1, 0}, {0, 5}};
+const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__op_proto__var__descriptor = {
+        PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.OpProto.Var",
+        "Var",
+        "PaddleMobile__Framework__Proto__OpProto__Var",
+        "paddle_mobile.framework.proto",
+        sizeof(PaddleMobile__Framework__Proto__OpProto__Var),
+        5,
+        paddle_mobile__framework__proto__op_proto__var__field_descriptors,
+        paddle_mobile__framework__proto__op_proto__var__field_indices_by_name,
+        1,
+        paddle_mobile__framework__proto__op_proto__var__number_ranges,
+        (ProtobufCMessageInit)
+            paddle_mobile__framework__proto__op_proto__var__init,
+        NULL,
+        NULL,
+        NULL /* reserved[123] */
+};
+static const protobuf_c_boolean
+    paddle_mobile__framework__proto__op_proto__attr__generated__default_value =
+        0;
+static const ProtobufCFieldDescriptor
+    paddle_mobile__framework__proto__op_proto__attr__field_descriptors[4] = {
+        {
+            "name", 1, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_STRING,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__OpProto__Attr, name), NULL,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "type", 2, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_ENUM,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__OpProto__Attr, type),
+            &paddle_mobile__framework__proto__attr_type__descriptor, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "comment", 3, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_STRING,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__OpProto__Attr, comment),
+            NULL, NULL, 0, /* flags */
+            0, NULL, NULL  /* reserved1,reserved2, etc */
+        },
+        {
+            "generated", 4, PROTOBUF_C_LABEL_OPTIONAL, PROTOBUF_C_TYPE_BOOL,
+            offsetof(PaddleMobile__Framework__Proto__OpProto__Attr,
+                     has_generated),
+            offsetof(PaddleMobile__Framework__Proto__OpProto__Attr, generated),
+            NULL,
+            &paddle_mobile__framework__proto__op_proto__attr__generated__default_value,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+};
+static const unsigned
+    paddle_mobile__framework__proto__op_proto__attr__field_indices_by_name[] = {
+        2, /* field[2] = comment */
+        3, /* field[3] = generated */
+        0, /* field[0] = name */
+        1, /* field[1] = type */
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__op_proto__attr__number_ranges[1 + 1] = {
+        {1, 0}, {0, 4}};
+const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__op_proto__attr__descriptor = {
+        PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.OpProto.Attr",
+        "Attr",
+        "PaddleMobile__Framework__Proto__OpProto__Attr",
+        "paddle_mobile.framework.proto",
+        sizeof(PaddleMobile__Framework__Proto__OpProto__Attr),
+        4,
+        paddle_mobile__framework__proto__op_proto__attr__field_descriptors,
+        paddle_mobile__framework__proto__op_proto__attr__field_indices_by_name,
+        1,
+        paddle_mobile__framework__proto__op_proto__attr__number_ranges,
+        (ProtobufCMessageInit)
+            paddle_mobile__framework__proto__op_proto__attr__init,
+        NULL,
+        NULL,
+        NULL /* reserved[123] */
+};
+static const ProtobufCFieldDescriptor
+    paddle_mobile__framework__proto__op_proto__field_descriptors[5] = {
+        {
+            "type", 1, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_STRING,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__OpProto, type), NULL, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "inputs", 2, PROTOBUF_C_LABEL_REPEATED, PROTOBUF_C_TYPE_MESSAGE,
+            offsetof(PaddleMobile__Framework__Proto__OpProto, n_inputs),
+            offsetof(PaddleMobile__Framework__Proto__OpProto, inputs),
+            &paddle_mobile__framework__proto__op_proto__var__descriptor, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "outputs", 3, PROTOBUF_C_LABEL_REPEATED, PROTOBUF_C_TYPE_MESSAGE,
+            offsetof(PaddleMobile__Framework__Proto__OpProto, n_outputs),
+            offsetof(PaddleMobile__Framework__Proto__OpProto, outputs),
+            &paddle_mobile__framework__proto__op_proto__var__descriptor, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "attrs", 4, PROTOBUF_C_LABEL_REPEATED, PROTOBUF_C_TYPE_MESSAGE,
+            offsetof(PaddleMobile__Framework__Proto__OpProto, n_attrs),
+            offsetof(PaddleMobile__Framework__Proto__OpProto, attrs),
+            &paddle_mobile__framework__proto__op_proto__attr__descriptor, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "comment", 5, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_STRING,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__OpProto, comment), NULL,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+};
+static const unsigned
+    paddle_mobile__framework__proto__op_proto__field_indices_by_name[] = {
+        3, /* field[3] = attrs */
+        4, /* field[4] = comment */
+        1, /* field[1] = inputs */
+        2, /* field[2] = outputs */
+        0, /* field[0] = type */
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__op_proto__number_ranges[1 + 1] = {{1, 0},
+                                                                       {0, 5}};
+const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__op_proto__descriptor = {
+        PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.OpProto",
+        "OpProto",
+        "PaddleMobile__Framework__Proto__OpProto",
+        "paddle_mobile.framework.proto",
+        sizeof(PaddleMobile__Framework__Proto__OpProto),
+        5,
+        paddle_mobile__framework__proto__op_proto__field_descriptors,
+        paddle_mobile__framework__proto__op_proto__field_indices_by_name,
+        1,
+        paddle_mobile__framework__proto__op_proto__number_ranges,
+        (ProtobufCMessageInit)paddle_mobile__framework__proto__op_proto__init,
+        NULL,
+        NULL,
+        NULL /* reserved[123] */
+};
+static const ProtobufCFieldDescriptor
+    paddle_mobile__framework__proto__var_type__tensor_desc__field_descriptors
+        [2] = {
+            {
+                "data_type", 1, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_ENUM,
+                0, /* quantifier_offset */
+                offsetof(PaddleMobile__Framework__Proto__VarType__TensorDesc,
+                         data_type),
+                &paddle_mobile__framework__proto__var_type__type__descriptor,
+                NULL, 0,      /* flags */
+                0, NULL, NULL /* reserved1,reserved2, etc */
+            },
+            {
+                "dims", 2, PROTOBUF_C_LABEL_REPEATED, PROTOBUF_C_TYPE_INT64,
+                offsetof(PaddleMobile__Framework__Proto__VarType__TensorDesc,
+                         n_dims),
+                offsetof(PaddleMobile__Framework__Proto__VarType__TensorDesc,
+                         dims),
+                NULL, NULL, 0, /* flags */
+                0, NULL, NULL  /* reserved1,reserved2, etc */
+            },
+};
+static const unsigned
+    paddle_mobile__framework__proto__var_type__tensor_desc__field_indices_by_name
+        [] = {
+            0, /* field[0] = data_type */
+            1, /* field[1] = dims */
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__var_type__tensor_desc__number_ranges[1 +
+                                                                          1] = {
+        {1, 0}, {0, 2}};
+const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__var_type__tensor_desc__descriptor = {
+        PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.VarType.TensorDesc",
+        "TensorDesc",
+        "PaddleMobile__Framework__Proto__VarType__TensorDesc",
+        "paddle_mobile.framework.proto",
+        sizeof(PaddleMobile__Framework__Proto__VarType__TensorDesc),
+        2,
+        paddle_mobile__framework__proto__var_type__tensor_desc__field_descriptors,
+        paddle_mobile__framework__proto__var_type__tensor_desc__field_indices_by_name,
+        1,
+        paddle_mobile__framework__proto__var_type__tensor_desc__number_ranges,
+        (ProtobufCMessageInit)
+            paddle_mobile__framework__proto__var_type__tensor_desc__init,
+        NULL,
+        NULL,
+        NULL /* reserved[123] */
+};
+static const int32_t
+    paddle_mobile__framework__proto__var_type__lo_dtensor_desc__lod_level__default_value =
+        0;
+static const ProtobufCFieldDescriptor
+    paddle_mobile__framework__proto__var_type__lo_dtensor_desc__field_descriptors
+        [2] = {
+            {
+                "tensor", 1, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_MESSAGE,
+                0, /* quantifier_offset */
+                offsetof(PaddleMobile__Framework__Proto__VarType__LoDTensorDesc,
+                         tensor),
+                &paddle_mobile__framework__proto__var_type__tensor_desc__descriptor,
+                NULL, 0,      /* flags */
+                0, NULL, NULL /* reserved1,reserved2, etc */
+            },
+            {
+                "lod_level", 2, PROTOBUF_C_LABEL_OPTIONAL,
+                PROTOBUF_C_TYPE_INT32,
+                offsetof(PaddleMobile__Framework__Proto__VarType__LoDTensorDesc,
+                         has_lod_level),
+                offsetof(PaddleMobile__Framework__Proto__VarType__LoDTensorDesc,
+                         lod_level),
+                NULL,
+                &paddle_mobile__framework__proto__var_type__lo_dtensor_desc__lod_level__default_value,
+                0,            /* flags */
+                0, NULL, NULL /* reserved1,reserved2, etc */
+            },
+};
+static const unsigned
+    paddle_mobile__framework__proto__var_type__lo_dtensor_desc__field_indices_by_name
+        [] = {
+            1, /* field[1] = lod_level */
+            0, /* field[0] = tensor */
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__var_type__lo_dtensor_desc__number_ranges
+        [1 + 1] = {{1, 0}, {0, 2}};
+const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__var_type__lo_dtensor_desc__descriptor = {
+        PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.VarType.LoDTensorDesc",
+        "LoDTensorDesc",
+        "PaddleMobile__Framework__Proto__VarType__LoDTensorDesc",
+        "paddle_mobile.framework.proto",
+        sizeof(PaddleMobile__Framework__Proto__VarType__LoDTensorDesc),
+        2,
+        paddle_mobile__framework__proto__var_type__lo_dtensor_desc__field_descriptors,
+        paddle_mobile__framework__proto__var_type__lo_dtensor_desc__field_indices_by_name,
+        1,
+        paddle_mobile__framework__proto__var_type__lo_dtensor_desc__number_ranges,
+        (ProtobufCMessageInit)
+            paddle_mobile__framework__proto__var_type__lo_dtensor_desc__init,
+        NULL,
+        NULL,
+        NULL /* reserved[123] */
+};
+static const int32_t
+    paddle_mobile__framework__proto__var_type__lo_dtensor_array_desc__lod_level__default_value =
+        0;
+static const ProtobufCFieldDescriptor
+    paddle_mobile__framework__proto__var_type__lo_dtensor_array_desc__field_descriptors
+        [2] = {
+            {
+                "tensor", 1, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_MESSAGE,
+                0, /* quantifier_offset */
+                offsetof(
+                    PaddleMobile__Framework__Proto__VarType__LoDTensorArrayDesc,
+                    tensor),
+                &paddle_mobile__framework__proto__var_type__tensor_desc__descriptor,
+                NULL, 0,      /* flags */
+                0, NULL, NULL /* reserved1,reserved2, etc */
+            },
+            {
+                "lod_level", 2, PROTOBUF_C_LABEL_OPTIONAL,
+                PROTOBUF_C_TYPE_INT32,
+                offsetof(
+                    PaddleMobile__Framework__Proto__VarType__LoDTensorArrayDesc,
+                    has_lod_level),
+                offsetof(
+                    PaddleMobile__Framework__Proto__VarType__LoDTensorArrayDesc,
+                    lod_level),
+                NULL,
+                &paddle_mobile__framework__proto__var_type__lo_dtensor_array_desc__lod_level__default_value,
+                0,            /* flags */
+                0, NULL, NULL /* reserved1,reserved2, etc */
+            },
+};
+static const unsigned
+    paddle_mobile__framework__proto__var_type__lo_dtensor_array_desc__field_indices_by_name
+        [] = {
+            1, /* field[1] = lod_level */
+            0, /* field[0] = tensor */
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__var_type__lo_dtensor_array_desc__number_ranges
+        [1 + 1] = {{1, 0}, {0, 2}};
+const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__var_type__lo_dtensor_array_desc__descriptor = {
+        PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.VarType.LoDTensorArrayDesc",
+        "LoDTensorArrayDesc",
+        "PaddleMobile__Framework__Proto__VarType__LoDTensorArrayDesc",
+        "paddle_mobile.framework.proto",
+        sizeof(PaddleMobile__Framework__Proto__VarType__LoDTensorArrayDesc),
+        2,
+        paddle_mobile__framework__proto__var_type__lo_dtensor_array_desc__field_descriptors,
+        paddle_mobile__framework__proto__var_type__lo_dtensor_array_desc__field_indices_by_name,
+        1,
+        paddle_mobile__framework__proto__var_type__lo_dtensor_array_desc__number_ranges,
+        (ProtobufCMessageInit)
+            paddle_mobile__framework__proto__var_type__lo_dtensor_array_desc__init,
+        NULL,
+        NULL,
+        NULL /* reserved[123] */
+};
+static const ProtobufCFieldDescriptor
+    paddle_mobile__framework__proto__var_type__reader_desc__field_descriptors[1] = {
+        {
+            "lod_tensor", 1, PROTOBUF_C_LABEL_REPEATED, PROTOBUF_C_TYPE_MESSAGE,
+            offsetof(PaddleMobile__Framework__Proto__VarType__ReaderDesc,
+                     n_lod_tensor),
+            offsetof(PaddleMobile__Framework__Proto__VarType__ReaderDesc,
+                     lod_tensor),
+            &paddle_mobile__framework__proto__var_type__lo_dtensor_desc__descriptor,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+};
+static const unsigned
+    paddle_mobile__framework__proto__var_type__reader_desc__field_indices_by_name
+        [] = {
+            0, /* field[0] = lod_tensor */
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__var_type__reader_desc__number_ranges[1 +
+                                                                          1] = {
+        {1, 0}, {0, 1}};
+const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__var_type__reader_desc__descriptor = {
+        PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.VarType.ReaderDesc",
+        "ReaderDesc",
+        "PaddleMobile__Framework__Proto__VarType__ReaderDesc",
+        "paddle_mobile.framework.proto",
+        sizeof(PaddleMobile__Framework__Proto__VarType__ReaderDesc),
+        1,
+        paddle_mobile__framework__proto__var_type__reader_desc__field_descriptors,
+        paddle_mobile__framework__proto__var_type__reader_desc__field_indices_by_name,
+        1,
+        paddle_mobile__framework__proto__var_type__reader_desc__number_ranges,
+        (ProtobufCMessageInit)
+            paddle_mobile__framework__proto__var_type__reader_desc__init,
+        NULL,
+        NULL,
+        NULL /* reserved[123] */
+};
+static const ProtobufCFieldDescriptor
+    paddle_mobile__framework__proto__var_type__channel_desc__field_descriptors
+        [2] = {
+            {
+                "data_type", 1, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_ENUM,
+                0, /* quantifier_offset */
+                offsetof(PaddleMobile__Framework__Proto__VarType__ChannelDesc,
+                         data_type),
+                &paddle_mobile__framework__proto__var_type__type__descriptor,
+                NULL, 0,      /* flags */
+                0, NULL, NULL /* reserved1,reserved2, etc */
+            },
+            {
+                "capacity", 2, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_INT64,
+                0, /* quantifier_offset */
+                offsetof(PaddleMobile__Framework__Proto__VarType__ChannelDesc,
+                         capacity),
+                NULL, NULL, 0, /* flags */
+                0, NULL, NULL  /* reserved1,reserved2, etc */
+            },
+};
+static const unsigned
+    paddle_mobile__framework__proto__var_type__channel_desc__field_indices_by_name
+        [] = {
+            1, /* field[1] = capacity */
+            0, /* field[0] = data_type */
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__var_type__channel_desc__number_ranges[1 +
+                                                                           1] =
+        {{1, 0}, {0, 2}};
+const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__var_type__channel_desc__descriptor = {
+        PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.VarType.ChannelDesc",
+        "ChannelDesc",
+        "PaddleMobile__Framework__Proto__VarType__ChannelDesc",
+        "paddle_mobile.framework.proto",
+        sizeof(PaddleMobile__Framework__Proto__VarType__ChannelDesc),
+        2,
+        paddle_mobile__framework__proto__var_type__channel_desc__field_descriptors,
+        paddle_mobile__framework__proto__var_type__channel_desc__field_indices_by_name,
+        1,
+        paddle_mobile__framework__proto__var_type__channel_desc__number_ranges,
+        (ProtobufCMessageInit)
+            paddle_mobile__framework__proto__var_type__channel_desc__init,
+        NULL,
+        NULL,
+        NULL /* reserved[123] */
+};
+static const ProtobufCFieldDescriptor
+    paddle_mobile__framework__proto__var_type__tuple__field_descriptors[1] = {
+        {
+            "element_type", 1, PROTOBUF_C_LABEL_REPEATED, PROTOBUF_C_TYPE_ENUM,
+            offsetof(PaddleMobile__Framework__Proto__VarType__Tuple,
+                     n_element_type),
+            offsetof(PaddleMobile__Framework__Proto__VarType__Tuple,
+                     element_type),
+            &paddle_mobile__framework__proto__var_type__type__descriptor, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+};
+static const unsigned
+    paddle_mobile__framework__proto__var_type__tuple__field_indices_by_name[] =
+        {
+            0, /* field[0] = element_type */
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__var_type__tuple__number_ranges[1 + 1] = {
+        {1, 0}, {0, 1}};
+const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__var_type__tuple__descriptor = {
+        PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.VarType.Tuple",
+        "Tuple",
+        "PaddleMobile__Framework__Proto__VarType__Tuple",
+        "paddle_mobile.framework.proto",
+        sizeof(PaddleMobile__Framework__Proto__VarType__Tuple),
+        1,
+        paddle_mobile__framework__proto__var_type__tuple__field_descriptors,
+        paddle_mobile__framework__proto__var_type__tuple__field_indices_by_name,
+        1,
+        paddle_mobile__framework__proto__var_type__tuple__number_ranges,
+        (ProtobufCMessageInit)
+            paddle_mobile__framework__proto__var_type__tuple__init,
+        NULL,
+        NULL,
+        NULL /* reserved[123] */
+};
+static const ProtobufCEnumValue
+    paddle_mobile__framework__proto__var_type__type__enum_values_by_number[19] =
+        {
+            {"BOOL", "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__BOOL",
+             0},
+            {"INT16", "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__INT16",
+             1},
+            {"INT32", "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__INT32",
+             2},
+            {"INT64", "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__INT64",
+             3},
+            {"FP16", "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__FP16",
+             4},
+            {"FP32", "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__FP32",
+             5},
+            {"FP64", "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__FP64",
+             6},
+            {"LOD_TENSOR",
+             "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__LOD_TENSOR", 7},
+            {"SELECTED_ROWS",
+             "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__SELECTED_ROWS",
+             8},
+            {"FEED_MINIBATCH",
+             "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__FEED_MINIBATCH",
+             9},
+            {"FETCH_LIST",
+             "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__FETCH_LIST", 10},
+            {"STEP_SCOPES",
+             "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__STEP_SCOPES",
+             11},
+            {"LOD_RANK_TABLE",
+             "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__LOD_RANK_TABLE",
+             12},
+            {"LOD_TENSOR_ARRAY",
+             "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__LOD_TENSOR_"
+             "ARRAY",
+             13},
+            {"PLACE_LIST",
+             "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__PLACE_LIST", 14},
+            {"READER",
+             "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__READER", 15},
+            {"CHANNEL",
+             "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__CHANNEL", 16},
+            {"RAW", "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__RAW", 17},
+            {"TUPLE", "PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__TUPLE",
+             18},
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__var_type__type__value_ranges[] = {{0, 0},
+                                                                       {0, 19}};
+static const ProtobufCEnumValueIndex
+    paddle_mobile__framework__proto__var_type__type__enum_values_by_name[19] = {
+        {"BOOL", 0},
+        {"CHANNEL", 16},
+        {"FEED_MINIBATCH", 9},
+        {"FETCH_LIST", 10},
+        {"FP16", 4},
+        {"FP32", 5},
+        {"FP64", 6},
+        {"INT16", 1},
+        {"INT32", 2},
+        {"INT64", 3},
+        {"LOD_RANK_TABLE", 12},
+        {"LOD_TENSOR", 7},
+        {"LOD_TENSOR_ARRAY", 13},
+        {"PLACE_LIST", 14},
+        {"RAW", 17},
+        {"READER", 15},
+        {"SELECTED_ROWS", 8},
+        {"STEP_SCOPES", 11},
+        {"TUPLE", 18},
+};
+const ProtobufCEnumDescriptor
+    paddle_mobile__framework__proto__var_type__type__descriptor = {
+        PROTOBUF_C__ENUM_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.VarType.Type",
+        "Type",
+        "PaddleMobile__Framework__Proto__VarType__Type",
+        "paddle_mobile.framework.proto",
+        19,
+        paddle_mobile__framework__proto__var_type__type__enum_values_by_number,
+        19,
+        paddle_mobile__framework__proto__var_type__type__enum_values_by_name,
+        1,
+        paddle_mobile__framework__proto__var_type__type__value_ranges,
+        NULL,
+        NULL,
+        NULL,
+        NULL /* reserved[1234] */
+};
+static const ProtobufCFieldDescriptor
+    paddle_mobile__framework__proto__var_type__field_descriptors[7] = {
+        {
+            "type", 1, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_ENUM,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__VarType, type),
+            &paddle_mobile__framework__proto__var_type__type__descriptor, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "selected_rows", 2, PROTOBUF_C_LABEL_OPTIONAL,
+            PROTOBUF_C_TYPE_MESSAGE, 0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__VarType, selected_rows),
+            &paddle_mobile__framework__proto__var_type__tensor_desc__descriptor,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "lod_tensor", 3, PROTOBUF_C_LABEL_OPTIONAL, PROTOBUF_C_TYPE_MESSAGE,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__VarType, lod_tensor),
+            &paddle_mobile__framework__proto__var_type__lo_dtensor_desc__descriptor,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "tensor_array", 4, PROTOBUF_C_LABEL_OPTIONAL,
+            PROTOBUF_C_TYPE_MESSAGE, 0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__VarType, tensor_array),
+            &paddle_mobile__framework__proto__var_type__lo_dtensor_array_desc__descriptor,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "reader", 5, PROTOBUF_C_LABEL_OPTIONAL, PROTOBUF_C_TYPE_MESSAGE,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__VarType, reader),
+            &paddle_mobile__framework__proto__var_type__reader_desc__descriptor,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "channel", 6, PROTOBUF_C_LABEL_OPTIONAL, PROTOBUF_C_TYPE_MESSAGE,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__VarType, channel),
+            &paddle_mobile__framework__proto__var_type__channel_desc__descriptor,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "tuple", 7, PROTOBUF_C_LABEL_OPTIONAL, PROTOBUF_C_TYPE_MESSAGE,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__VarType, tuple),
+            &paddle_mobile__framework__proto__var_type__tuple__descriptor, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+};
+static const unsigned
+    paddle_mobile__framework__proto__var_type__field_indices_by_name[] = {
+        5, /* field[5] = channel */
+        2, /* field[2] = lod_tensor */
+        4, /* field[4] = reader */
+        1, /* field[1] = selected_rows */
+        3, /* field[3] = tensor_array */
+        6, /* field[6] = tuple */
+        0, /* field[0] = type */
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__var_type__number_ranges[1 + 1] = {{1, 0},
+                                                                       {0, 7}};
+const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__var_type__descriptor = {
+        PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.VarType",
+        "VarType",
+        "PaddleMobile__Framework__Proto__VarType",
+        "paddle_mobile.framework.proto",
+        sizeof(PaddleMobile__Framework__Proto__VarType),
+        7,
+        paddle_mobile__framework__proto__var_type__field_descriptors,
+        paddle_mobile__framework__proto__var_type__field_indices_by_name,
+        1,
+        paddle_mobile__framework__proto__var_type__number_ranges,
+        (ProtobufCMessageInit)paddle_mobile__framework__proto__var_type__init,
+        NULL,
+        NULL,
+        NULL /* reserved[123] */
+};
+static const protobuf_c_boolean
+    paddle_mobile__framework__proto__var_desc__persistable__default_value = 0;
+static const ProtobufCFieldDescriptor
+    paddle_mobile__framework__proto__var_desc__field_descriptors[3] = {
+        {
+            "name", 1, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_STRING,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__VarDesc, name), NULL, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "type", 2, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_MESSAGE,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__VarDesc, type),
+            &paddle_mobile__framework__proto__var_type__descriptor, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "persistable", 3, PROTOBUF_C_LABEL_OPTIONAL, PROTOBUF_C_TYPE_BOOL,
+            offsetof(PaddleMobile__Framework__Proto__VarDesc, has_persistable),
+            offsetof(PaddleMobile__Framework__Proto__VarDesc, persistable),
+            NULL,
+            &paddle_mobile__framework__proto__var_desc__persistable__default_value,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+};
+static const unsigned
+    paddle_mobile__framework__proto__var_desc__field_indices_by_name[] = {
+        0, /* field[0] = name */
+        2, /* field[2] = persistable */
+        1, /* field[1] = type */
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__var_desc__number_ranges[1 + 1] = {{1, 0},
+                                                                       {0, 3}};
+const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__var_desc__descriptor = {
+        PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.VarDesc",
+        "VarDesc",
+        "PaddleMobile__Framework__Proto__VarDesc",
+        "paddle_mobile.framework.proto",
+        sizeof(PaddleMobile__Framework__Proto__VarDesc),
+        3,
+        paddle_mobile__framework__proto__var_desc__field_descriptors,
+        paddle_mobile__framework__proto__var_desc__field_indices_by_name,
+        1,
+        paddle_mobile__framework__proto__var_desc__number_ranges,
+        (ProtobufCMessageInit)paddle_mobile__framework__proto__var_desc__init,
+        NULL,
+        NULL,
+        NULL /* reserved[123] */
+};
+static const int32_t
+    paddle_mobile__framework__proto__block_desc__forward_block_idx__default_value =
+        -1;
+static const ProtobufCFieldDescriptor
+    paddle_mobile__framework__proto__block_desc__field_descriptors[5] = {
+        {
+            "idx", 1, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_INT32,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__BlockDesc, idx), NULL,
+            NULL, 0,      /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "parent_idx", 2, PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_TYPE_INT32,
+            0, /* quantifier_offset */
+            offsetof(PaddleMobile__Framework__Proto__BlockDesc, parent_idx),
+            NULL, NULL, 0, /* flags */
+            0, NULL, NULL  /* reserved1,reserved2, etc */
+        },
+        {
+            "vars", 3, PROTOBUF_C_LABEL_REPEATED, PROTOBUF_C_TYPE_MESSAGE,
+            offsetof(PaddleMobile__Framework__Proto__BlockDesc, n_vars),
+            offsetof(PaddleMobile__Framework__Proto__BlockDesc, vars),
+            &paddle_mobile__framework__proto__var_desc__descriptor, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "ops", 4, PROTOBUF_C_LABEL_REPEATED, PROTOBUF_C_TYPE_MESSAGE,
+            offsetof(PaddleMobile__Framework__Proto__BlockDesc, n_ops),
+            offsetof(PaddleMobile__Framework__Proto__BlockDesc, ops),
+            &paddle_mobile__framework__proto__op_desc__descriptor, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+        {
+            "forward_block_idx", 5, PROTOBUF_C_LABEL_OPTIONAL,
+            PROTOBUF_C_TYPE_INT32,
+            offsetof(PaddleMobile__Framework__Proto__BlockDesc,
+                     has_forward_block_idx),
+            offsetof(PaddleMobile__Framework__Proto__BlockDesc,
+                     forward_block_idx),
+            NULL,
+            &paddle_mobile__framework__proto__block_desc__forward_block_idx__default_value,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+};
+static const unsigned
+    paddle_mobile__framework__proto__block_desc__field_indices_by_name[] = {
+        4, /* field[4] = forward_block_idx */
+        0, /* field[0] = idx */
+        3, /* field[3] = ops */
+        1, /* field[1] = parent_idx */
+        2, /* field[2] = vars */
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__block_desc__number_ranges[1 + 1] = {
+        {1, 0}, {0, 5}};
+const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__block_desc__descriptor = {
+        PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.BlockDesc",
+        "BlockDesc",
+        "PaddleMobile__Framework__Proto__BlockDesc",
+        "paddle_mobile.framework.proto",
+        sizeof(PaddleMobile__Framework__Proto__BlockDesc),
+        5,
+        paddle_mobile__framework__proto__block_desc__field_descriptors,
+        paddle_mobile__framework__proto__block_desc__field_indices_by_name,
+        1,
+        paddle_mobile__framework__proto__block_desc__number_ranges,
+        (ProtobufCMessageInit)paddle_mobile__framework__proto__block_desc__init,
+        NULL,
+        NULL,
+        NULL /* reserved[123] */
+};
+static const ProtobufCFieldDescriptor
+    paddle_mobile__framework__proto__program_desc__field_descriptors[1] = {
+        {
+            "blocks", 1, PROTOBUF_C_LABEL_REPEATED, PROTOBUF_C_TYPE_MESSAGE,
+            offsetof(PaddleMobile__Framework__Proto__ProgramDesc, n_blocks),
+            offsetof(PaddleMobile__Framework__Proto__ProgramDesc, blocks),
+            &paddle_mobile__framework__proto__block_desc__descriptor, NULL,
+            0,            /* flags */
+            0, NULL, NULL /* reserved1,reserved2, etc */
+        },
+};
+static const unsigned
+    paddle_mobile__framework__proto__program_desc__field_indices_by_name[] = {
+        0, /* field[0] = blocks */
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__program_desc__number_ranges[1 + 1] = {
+        {1, 0}, {0, 1}};
+const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__program_desc__descriptor = {
+        PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.ProgramDesc",
+        "ProgramDesc",
+        "PaddleMobile__Framework__Proto__ProgramDesc",
+        "paddle_mobile.framework.proto",
+        sizeof(PaddleMobile__Framework__Proto__ProgramDesc),
+        1,
+        paddle_mobile__framework__proto__program_desc__field_descriptors,
+        paddle_mobile__framework__proto__program_desc__field_indices_by_name,
+        1,
+        paddle_mobile__framework__proto__program_desc__number_ranges,
+        (ProtobufCMessageInit)
+            paddle_mobile__framework__proto__program_desc__init,
+        NULL,
+        NULL,
+        NULL /* reserved[123] */
+};
+static const ProtobufCEnumValue
+    paddle_mobile__framework__proto__attr_type__enum_values_by_number[10] = {
+        {"INT", "PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__INT", 0},
+        {"FLOAT", "PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__FLOAT", 1},
+        {"STRING", "PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__STRING", 2},
+        {"INTS", "PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__INTS", 3},
+        {"FLOATS", "PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__FLOATS", 4},
+        {"STRINGS", "PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__STRINGS", 5},
+        {"BOOLEAN", "PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__BOOLEAN", 6},
+        {"BOOLEANS", "PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__BOOLEANS", 7},
+        {"BLOCK", "PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__BLOCK", 8},
+        {"LONG", "PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__LONG", 9},
+};
+static const ProtobufCIntRange
+    paddle_mobile__framework__proto__attr_type__value_ranges[] = {{0, 0},
+                                                                  {0, 10}};
+static const ProtobufCEnumValueIndex
+    paddle_mobile__framework__proto__attr_type__enum_values_by_name[10] = {
+        {"BLOCK", 8},  {"BOOLEAN", 6}, {"BOOLEANS", 7}, {"FLOAT", 1},
+        {"FLOATS", 4}, {"INT", 0},     {"INTS", 3},     {"LONG", 9},
+        {"STRING", 2}, {"STRINGS", 5},
+};
+const ProtobufCEnumDescriptor
+    paddle_mobile__framework__proto__attr_type__descriptor = {
+        PROTOBUF_C__ENUM_DESCRIPTOR_MAGIC,
+        "paddle_mobile.framework.proto.AttrType",
+        "AttrType",
+        "PaddleMobile__Framework__Proto__AttrType",
+        "paddle_mobile.framework.proto",
+        10,
+        paddle_mobile__framework__proto__attr_type__enum_values_by_number,
+        10,
+        paddle_mobile__framework__proto__attr_type__enum_values_by_name,
+        1,
+        paddle_mobile__framework__proto__attr_type__value_ranges,
+        NULL,
+        NULL,
+        NULL,
+        NULL /* reserved[1234] */
+};

tools/quantification/src/framework.pb-c.h

+/* Generated by the protocol buffer compiler.  DO NOT EDIT! */
+/* Generated from: framework.proto */
+
+#ifndef PROTOBUF_C_framework_2eproto__INCLUDED
+#define PROTOBUF_C_framework_2eproto__INCLUDED
+
+#include "protobuf-c.h"
+
+PROTOBUF_C__BEGIN_DECLS
+
+#if PROTOBUF_C_VERSION_NUMBER < 1000000
+# error This file was generated by a newer version of protoc-c which is incompatible with your libprotobuf-c headers. Please update your headers.
+#elif 1003000 < PROTOBUF_C_MIN_COMPILER_VERSION
+# error This file was generated by an older version of protoc-c which is incompatible with your libprotobuf-c headers. Please regenerate this file with a newer version of protoc-c.
+#endif
+
+typedef struct _PaddleMobile__Framework__Proto__OpDesc
+    PaddleMobile__Framework__Proto__OpDesc;
+typedef struct _PaddleMobile__Framework__Proto__OpDesc__Attr
+    PaddleMobile__Framework__Proto__OpDesc__Attr;
+typedef struct _PaddleMobile__Framework__Proto__OpDesc__Var
+    PaddleMobile__Framework__Proto__OpDesc__Var;
+typedef struct _PaddleMobile__Framework__Proto__OpProto
+    PaddleMobile__Framework__Proto__OpProto;
+typedef struct _PaddleMobile__Framework__Proto__OpProto__Var
+    PaddleMobile__Framework__Proto__OpProto__Var;
+typedef struct _PaddleMobile__Framework__Proto__OpProto__Attr
+    PaddleMobile__Framework__Proto__OpProto__Attr;
+typedef struct _PaddleMobile__Framework__Proto__VarType
+    PaddleMobile__Framework__Proto__VarType;
+typedef struct _PaddleMobile__Framework__Proto__VarType__TensorDesc
+    PaddleMobile__Framework__Proto__VarType__TensorDesc;
+typedef struct _PaddleMobile__Framework__Proto__VarType__LoDTensorDesc
+    PaddleMobile__Framework__Proto__VarType__LoDTensorDesc;
+typedef struct _PaddleMobile__Framework__Proto__VarType__LoDTensorArrayDesc
+    PaddleMobile__Framework__Proto__VarType__LoDTensorArrayDesc;
+typedef struct _PaddleMobile__Framework__Proto__VarType__ReaderDesc
+    PaddleMobile__Framework__Proto__VarType__ReaderDesc;
+typedef struct _PaddleMobile__Framework__Proto__VarType__ChannelDesc
+    PaddleMobile__Framework__Proto__VarType__ChannelDesc;
+typedef struct _PaddleMobile__Framework__Proto__VarType__Tuple
+    PaddleMobile__Framework__Proto__VarType__Tuple;
+typedef struct _PaddleMobile__Framework__Proto__VarDesc
+    PaddleMobile__Framework__Proto__VarDesc;
+typedef struct _PaddleMobile__Framework__Proto__BlockDesc
+    PaddleMobile__Framework__Proto__BlockDesc;
+typedef struct _PaddleMobile__Framework__Proto__ProgramDesc
+    PaddleMobile__Framework__Proto__ProgramDesc;
+
+/* --- enums --- */
+
+typedef enum _PaddleMobile__Framework__Proto__VarType__Type {
+  /*
+   * Pod Types
+   */
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__BOOL = 0,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__INT16 = 1,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__INT32 = 2,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__INT64 = 3,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__FP16 = 4,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__FP32 = 5,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__FP64 = 6,
+  /*
+   * Other types that may need additional descriptions
+   */
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__LOD_TENSOR = 7,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__SELECTED_ROWS = 8,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__FEED_MINIBATCH = 9,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__FETCH_LIST = 10,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__STEP_SCOPES = 11,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__LOD_RANK_TABLE = 12,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__LOD_TENSOR_ARRAY = 13,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__PLACE_LIST = 14,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__READER = 15,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__CHANNEL = 16,
+  /*
+   * Any runtime decided variable type is raw
+   * raw variables should manage their own allocations
+   * in operators like nccl_op
+   */
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__RAW = 17,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__TUPLE =
+      18 PROTOBUF_C__FORCE_ENUM_TO_BE_INT_SIZE(
+          PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE)
+} PaddleMobile__Framework__Proto__VarType__Type;
+typedef enum _PaddleMobile__Framework__Proto__AttrType {
+  PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__INT = 0,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__FLOAT = 1,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__STRING = 2,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__INTS = 3,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__FLOATS = 4,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__STRINGS = 5,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__BOOLEAN = 6,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__BOOLEANS = 7,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__BLOCK = 8,
+  PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__LONG =
+      9 PROTOBUF_C__FORCE_ENUM_TO_BE_INT_SIZE(
+          PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE)
+} PaddleMobile__Framework__Proto__AttrType;
+
+/* --- messages --- */
+
+struct _PaddleMobile__Framework__Proto__OpDesc__Attr {
+  ProtobufCMessage base;
+  char *name;
+  PaddleMobile__Framework__Proto__AttrType type;
+  protobuf_c_boolean has_i;
+  int32_t i;
+  protobuf_c_boolean has_f;
+  float f;
+  char *s;
+  size_t n_ints;
+  int32_t *ints;
+  size_t n_floats;
+  float *floats;
+  size_t n_strings;
+  char **strings;
+  protobuf_c_boolean has_b;
+  protobuf_c_boolean b;
+  size_t n_bools;
+  protobuf_c_boolean *bools;
+  protobuf_c_boolean has_block_idx;
+  int32_t block_idx;
+  protobuf_c_boolean has_l;
+  int64_t l;
+};
+#define PADDLE_MOBILE__FRAMEWORK__PROTO__OP_DESC__ATTR__INIT                   \
+  {                                                                            \
+    PROTOBUF_C_MESSAGE_INIT(                                                   \
+        &paddle_mobile__framework__proto__op_desc__attr__descriptor)           \
+    , NULL, PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__INT, 0, 0, 0, 0, NULL, \
+        0, NULL, 0, NULL, 0, NULL, 0, 0, 0, NULL, 0, 0, 0, 0                   \
+  }
+
+struct _PaddleMobile__Framework__Proto__OpDesc__Var {
+  ProtobufCMessage base;
+  char *parameter;
+  size_t n_arguments;
+  char **arguments;
+};
+#define PADDLE_MOBILE__FRAMEWORK__PROTO__OP_DESC__VAR__INIT         \
+  {                                                                 \
+    PROTOBUF_C_MESSAGE_INIT(                                        \
+        &paddle_mobile__framework__proto__op_desc__var__descriptor) \
+    , NULL, 0, NULL                                                 \
+  }
+
+/*
+ * OpDesc describes an instance of a C++ framework::OperatorBase
+ * derived class type.
+ */
+struct _PaddleMobile__Framework__Proto__OpDesc {
+  ProtobufCMessage base;
+  char *type;
+  size_t n_inputs;
+  PaddleMobile__Framework__Proto__OpDesc__Var **inputs;
+  size_t n_outputs;
+  PaddleMobile__Framework__Proto__OpDesc__Var **outputs;
+  size_t n_attrs;
+  PaddleMobile__Framework__Proto__OpDesc__Attr **attrs;
+  protobuf_c_boolean has_is_target;
+  protobuf_c_boolean is_target;
+};
+#define PADDLE_MOBILE__FRAMEWORK__PROTO__OP_DESC__INIT         \
+  {                                                            \
+    PROTOBUF_C_MESSAGE_INIT(                                   \
+        &paddle_mobile__framework__proto__op_desc__descriptor) \
+    , NULL, 0, NULL, 0, NULL, 0, NULL, 0, 0                    \
+  }
+
+/*
+ * VarProto describes the C++ type framework::Variable.
+ */
+struct _PaddleMobile__Framework__Proto__OpProto__Var {
+  ProtobufCMessage base;
+  char *name;
+  char *comment;
+  protobuf_c_boolean has_duplicable;
+  protobuf_c_boolean duplicable;
+  protobuf_c_boolean has_intermediate;
+  protobuf_c_boolean intermediate;
+  protobuf_c_boolean has_dispensable;
+  protobuf_c_boolean dispensable;
+};
+#define PADDLE_MOBILE__FRAMEWORK__PROTO__OP_PROTO__VAR__INIT         \
+  {                                                                  \
+    PROTOBUF_C_MESSAGE_INIT(                                         \
+        &paddle_mobile__framework__proto__op_proto__var__descriptor) \
+    , NULL, NULL, 0, 0, 0, 0, 0, 0                                   \
+  }
+
+/*
+ * AttrProto describes the C++ type Attribute.
+ */
+struct _PaddleMobile__Framework__Proto__OpProto__Attr {
+  ProtobufCMessage base;
+  char *name;
+  PaddleMobile__Framework__Proto__AttrType type;
+  char *comment;
+  /*
+   * If that attribute is generated, it means the Paddle third
+   * language binding has responsibility to fill that
+   * attribute. End-User should not set that attribute.
+   */
+  protobuf_c_boolean has_generated;
+  protobuf_c_boolean generated;
+};
+#define PADDLE_MOBILE__FRAMEWORK__PROTO__OP_PROTO__ATTR__INIT           \
+  {                                                                     \
+    PROTOBUF_C_MESSAGE_INIT(                                            \
+        &paddle_mobile__framework__proto__op_proto__attr__descriptor)   \
+    , NULL, PADDLE_MOBILE__FRAMEWORK__PROTO__ATTR_TYPE__INT, NULL, 0, 0 \
+  }
+
+/*
+ * OpProto describes a C++ framework::OperatorBase derived class.
+ */
+struct _PaddleMobile__Framework__Proto__OpProto {
+  ProtobufCMessage base;
+  char *type;
+  size_t n_inputs;
+  PaddleMobile__Framework__Proto__OpProto__Var **inputs;
+  size_t n_outputs;
+  PaddleMobile__Framework__Proto__OpProto__Var **outputs;
+  size_t n_attrs;
+  PaddleMobile__Framework__Proto__OpProto__Attr **attrs;
+  char *comment;
+};
+#define PADDLE_MOBILE__FRAMEWORK__PROTO__OP_PROTO__INIT         \
+  {                                                             \
+    PROTOBUF_C_MESSAGE_INIT(                                    \
+        &paddle_mobile__framework__proto__op_proto__descriptor) \
+    , NULL, 0, NULL, 0, NULL, 0, NULL, NULL                     \
+  }
+
+struct _PaddleMobile__Framework__Proto__VarType__TensorDesc {
+  ProtobufCMessage base;
+  /*
+   * Should only be PODType. Is enforced in C++
+   */
+  PaddleMobile__Framework__Proto__VarType__Type data_type;
+  /*
+   * [UNK, 640, 480] is saved as [-1, 640, 480]
+   */
+  size_t n_dims;
+  int64_t *dims;
+};
+#define PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TENSOR_DESC__INIT         \
+  {                                                                          \
+    PROTOBUF_C_MESSAGE_INIT(                                                 \
+        &paddle_mobile__framework__proto__var_type__tensor_desc__descriptor) \
+    , PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__BOOL, 0, NULL         \
+  }
+
+struct _PaddleMobile__Framework__Proto__VarType__LoDTensorDesc {
+  ProtobufCMessage base;
+  PaddleMobile__Framework__Proto__VarType__TensorDesc *tensor;
+  protobuf_c_boolean has_lod_level;
+  int32_t lod_level;
+};
+#define PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__LO_DTENSOR_DESC__INIT         \
+  {                                                                              \
+    PROTOBUF_C_MESSAGE_INIT(                                                     \
+        &paddle_mobile__framework__proto__var_type__lo_dtensor_desc__descriptor) \
+    , NULL, 0, 0                                                                 \
+  }
+
+struct _PaddleMobile__Framework__Proto__VarType__LoDTensorArrayDesc {
+  ProtobufCMessage base;
+  PaddleMobile__Framework__Proto__VarType__TensorDesc *tensor;
+  protobuf_c_boolean has_lod_level;
+  int32_t lod_level;
+};
+#define PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__LO_DTENSOR_ARRAY_DESC__INIT         \
+  {                                                                                    \
+    PROTOBUF_C_MESSAGE_INIT(                                                           \
+        &paddle_mobile__framework__proto__var_type__lo_dtensor_array_desc__descriptor) \
+    , NULL, 0, 0                                                                       \
+  }
+
+struct _PaddleMobile__Framework__Proto__VarType__ReaderDesc {
+  ProtobufCMessage base;
+  size_t n_lod_tensor;
+  PaddleMobile__Framework__Proto__VarType__LoDTensorDesc **lod_tensor;
+};
+#define PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__READER_DESC__INIT         \
+  {                                                                          \
+    PROTOBUF_C_MESSAGE_INIT(                                                 \
+        &paddle_mobile__framework__proto__var_type__reader_desc__descriptor) \
+    , 0, NULL                                                                \
+  }
+
+struct _PaddleMobile__Framework__Proto__VarType__ChannelDesc {
+  ProtobufCMessage base;
+  PaddleMobile__Framework__Proto__VarType__Type data_type;
+  int64_t capacity;
+};
+#define PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__CHANNEL_DESC__INIT         \
+  {                                                                           \
+    PROTOBUF_C_MESSAGE_INIT(                                                  \
+        &paddle_mobile__framework__proto__var_type__channel_desc__descriptor) \
+    , PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__BOOL, 0                \
+  }
+
+struct _PaddleMobile__Framework__Proto__VarType__Tuple {
+  ProtobufCMessage base;
+  size_t n_element_type;
+  PaddleMobile__Framework__Proto__VarType__Type *element_type;
+};
+#define PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TUPLE__INIT         \
+  {                                                                    \
+    PROTOBUF_C_MESSAGE_INIT(                                           \
+        &paddle_mobile__framework__proto__var_type__tuple__descriptor) \
+    , 0, NULL                                                          \
+  }
+
+struct _PaddleMobile__Framework__Proto__VarType {
+  ProtobufCMessage base;
+  PaddleMobile__Framework__Proto__VarType__Type type;
+  PaddleMobile__Framework__Proto__VarType__TensorDesc *selected_rows;
+  PaddleMobile__Framework__Proto__VarType__LoDTensorDesc *lod_tensor;
+  PaddleMobile__Framework__Proto__VarType__LoDTensorArrayDesc *tensor_array;
+  PaddleMobile__Framework__Proto__VarType__ReaderDesc *reader;
+  PaddleMobile__Framework__Proto__VarType__ChannelDesc *channel;
+  PaddleMobile__Framework__Proto__VarType__Tuple *tuple;
+};
+#define PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__INIT                        \
+  {                                                                            \
+    PROTOBUF_C_MESSAGE_INIT(                                                   \
+        &paddle_mobile__framework__proto__var_type__descriptor)                \
+    , PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_TYPE__TYPE__BOOL, NULL, NULL, NULL, \
+        NULL, NULL, NULL                                                       \
+  }
+
+struct _PaddleMobile__Framework__Proto__VarDesc {
+  ProtobufCMessage base;
+  char *name;
+  PaddleMobile__Framework__Proto__VarType *type;
+  protobuf_c_boolean has_persistable;
+  protobuf_c_boolean persistable;
+};
+#define PADDLE_MOBILE__FRAMEWORK__PROTO__VAR_DESC__INIT         \
+  {                                                             \
+    PROTOBUF_C_MESSAGE_INIT(                                    \
+        &paddle_mobile__framework__proto__var_desc__descriptor) \
+    , NULL, NULL, 0, 0                                          \
+  }
+
+struct _PaddleMobile__Framework__Proto__BlockDesc {
+  ProtobufCMessage base;
+  int32_t idx;
+  int32_t parent_idx;
+  size_t n_vars;
+  PaddleMobile__Framework__Proto__VarDesc **vars;
+  size_t n_ops;
+  PaddleMobile__Framework__Proto__OpDesc **ops;
+  protobuf_c_boolean has_forward_block_idx;
+  int32_t forward_block_idx;
+};
+#define PADDLE_MOBILE__FRAMEWORK__PROTO__BLOCK_DESC__INIT         \
+  {                                                               \
+    PROTOBUF_C_MESSAGE_INIT(                                      \
+        &paddle_mobile__framework__proto__block_desc__descriptor) \
+    , 0, 0, 0, NULL, 0, NULL, 0, -1                               \
+  }
+
+/*
+ * Please refer to
+ * https://github.com/PaddlePaddle/Paddle/blob/develop/doc/design/program.md
+ * for more details.
+ * TODO(panyx0718): A model can have multiple programs. Need a
+ * way to distinguish them. Maybe ID or name?
+ */
+struct _PaddleMobile__Framework__Proto__ProgramDesc {
+  ProtobufCMessage base;
+  size_t n_blocks;
+  PaddleMobile__Framework__Proto__BlockDesc **blocks;
+};
+#define PADDLE_MOBILE__FRAMEWORK__PROTO__PROGRAM_DESC__INIT         \
+  {                                                                 \
+    PROTOBUF_C_MESSAGE_INIT(                                        \
+        &paddle_mobile__framework__proto__program_desc__descriptor) \
+    , 0, NULL                                                       \
+  }
+
+/* PaddleMobile__Framework__Proto__OpDesc__Attr methods */
+void paddle_mobile__framework__proto__op_desc__attr__init(
+    PaddleMobile__Framework__Proto__OpDesc__Attr *message);
+/* PaddleMobile__Framework__Proto__OpDesc__Var methods */
+void paddle_mobile__framework__proto__op_desc__var__init(
+    PaddleMobile__Framework__Proto__OpDesc__Var *message);
+/* PaddleMobile__Framework__Proto__OpDesc methods */
+void paddle_mobile__framework__proto__op_desc__init(
+    PaddleMobile__Framework__Proto__OpDesc *message);
+
+size_t paddle_mobile__framework__proto__op_desc__get_packed_size(
+    const PaddleMobile__Framework__Proto__OpDesc *message);
+
+PaddleMobile__Framework__Proto__OpDesc *
+paddle_mobile__framework__proto__op_desc__unpack(ProtobufCAllocator *allocator,
+                                                 size_t len,
+                                                 const uint8_t *data);
+void paddle_mobile__framework__proto__op_desc__free_unpacked(
+    PaddleMobile__Framework__Proto__OpDesc *message,
+    ProtobufCAllocator *allocator);
+/* PaddleMobile__Framework__Proto__OpProto__Var methods */
+void paddle_mobile__framework__proto__op_proto__var__init(
+    PaddleMobile__Framework__Proto__OpProto__Var *message);
+/* PaddleMobile__Framework__Proto__OpProto__Attr methods */
+void paddle_mobile__framework__proto__op_proto__attr__init(
+    PaddleMobile__Framework__Proto__OpProto__Attr *message);
+/* PaddleMobile__Framework__Proto__OpProto methods */
+void paddle_mobile__framework__proto__op_proto__init(
+    PaddleMobile__Framework__Proto__OpProto *message);
+size_t paddle_mobile__framework__proto__op_proto__get_packed_size(
+    const PaddleMobile__Framework__Proto__OpProto *message);
+PaddleMobile__Framework__Proto__OpProto *
+paddle_mobile__framework__proto__op_proto__unpack(ProtobufCAllocator *allocator,
+                                                  size_t len,
+                                                  const uint8_t *data);
+void paddle_mobile__framework__proto__op_proto__free_unpacked(
+    PaddleMobile__Framework__Proto__OpProto *message,
+    ProtobufCAllocator *allocator);
+/* PaddleMobile__Framework__Proto__VarType__TensorDesc methods */
+void paddle_mobile__framework__proto__var_type__tensor_desc__init(
+    PaddleMobile__Framework__Proto__VarType__TensorDesc *message);
+/* PaddleMobile__Framework__Proto__VarType__LoDTensorDesc methods */
+void paddle_mobile__framework__proto__var_type__lo_dtensor_desc__init(
+    PaddleMobile__Framework__Proto__VarType__LoDTensorDesc *message);
+/* PaddleMobile__Framework__Proto__VarType__LoDTensorArrayDesc methods */
+void paddle_mobile__framework__proto__var_type__lo_dtensor_array_desc__init(
+    PaddleMobile__Framework__Proto__VarType__LoDTensorArrayDesc *message);
+/* PaddleMobile__Framework__Proto__VarType__ReaderDesc methods */
+void paddle_mobile__framework__proto__var_type__reader_desc__init(
+    PaddleMobile__Framework__Proto__VarType__ReaderDesc *message);
+/* PaddleMobile__Framework__Proto__VarType__ChannelDesc methods */
+void paddle_mobile__framework__proto__var_type__channel_desc__init(
+    PaddleMobile__Framework__Proto__VarType__ChannelDesc *message);
+/* PaddleMobile__Framework__Proto__VarType__Tuple methods */
+void paddle_mobile__framework__proto__var_type__tuple__init(
+    PaddleMobile__Framework__Proto__VarType__Tuple *message);
+/* PaddleMobile__Framework__Proto__VarType methods */
+void paddle_mobile__framework__proto__var_type__init(
+    PaddleMobile__Framework__Proto__VarType *message);
+size_t paddle_mobile__framework__proto__var_type__get_packed_size(
+    const PaddleMobile__Framework__Proto__VarType *message);
+PaddleMobile__Framework__Proto__VarType *
+paddle_mobile__framework__proto__var_type__unpack(ProtobufCAllocator *allocator,
+                                                  size_t len,
+                                                  const uint8_t *data);
+void paddle_mobile__framework__proto__var_type__free_unpacked(
+    PaddleMobile__Framework__Proto__VarType *message,
+    ProtobufCAllocator *allocator);
+/* PaddleMobile__Framework__Proto__VarDesc methods */
+void paddle_mobile__framework__proto__var_desc__init(
+    PaddleMobile__Framework__Proto__VarDesc *message);
+size_t paddle_mobile__framework__proto__var_desc__get_packed_size(
+    const PaddleMobile__Framework__Proto__VarDesc *message);
+PaddleMobile__Framework__Proto__VarDesc *
+paddle_mobile__framework__proto__var_desc__unpack(ProtobufCAllocator *allocator,
+                                                  size_t len,
+                                                  const uint8_t *data);
+void paddle_mobile__framework__proto__var_desc__free_unpacked(
+    PaddleMobile__Framework__Proto__VarDesc *message,
+    ProtobufCAllocator *allocator);
+/* PaddleMobile__Framework__Proto__BlockDesc methods */
+void paddle_mobile__framework__proto__block_desc__init(
+    PaddleMobile__Framework__Proto__BlockDesc *message);
+size_t paddle_mobile__framework__proto__block_desc__get_packed_size(
+    const PaddleMobile__Framework__Proto__BlockDesc *message);
+PaddleMobile__Framework__Proto__BlockDesc *
+paddle_mobile__framework__proto__block_desc__unpack(
+    ProtobufCAllocator *allocator, size_t len, const uint8_t *data);
+void paddle_mobile__framework__proto__block_desc__free_unpacked(
+    PaddleMobile__Framework__Proto__BlockDesc *message,
+    ProtobufCAllocator *allocator);
+/* PaddleMobile__Framework__Proto__ProgramDesc methods */
+void paddle_mobile__framework__proto__program_desc__init(
+    PaddleMobile__Framework__Proto__ProgramDesc *message);
+size_t paddle_mobile__framework__proto__program_desc__get_packed_size(
+    const PaddleMobile__Framework__Proto__ProgramDesc *message);
+PaddleMobile__Framework__Proto__ProgramDesc *
+paddle_mobile__framework__proto__program_desc__unpack(
+    ProtobufCAllocator *allocator, size_t len, const uint8_t *data);
+void paddle_mobile__framework__proto__program_desc__free_unpacked(
+    PaddleMobile__Framework__Proto__ProgramDesc *message,
+    ProtobufCAllocator *allocator);
+/* --- per-message closures --- */
+
+typedef void (*PaddleMobile__Framework__Proto__OpDesc__Attr_Closure)(
+    const PaddleMobile__Framework__Proto__OpDesc__Attr *message,
+    void *closure_data);
+typedef void (*PaddleMobile__Framework__Proto__OpDesc__Var_Closure)(
+    const PaddleMobile__Framework__Proto__OpDesc__Var *message,
+    void *closure_data);
+typedef void (*PaddleMobile__Framework__Proto__OpDesc_Closure)(
+    const PaddleMobile__Framework__Proto__OpDesc *message, void *closure_data);
+typedef void (*PaddleMobile__Framework__Proto__OpProto__Var_Closure)(
+    const PaddleMobile__Framework__Proto__OpProto__Var *message,
+    void *closure_data);
+typedef void (*PaddleMobile__Framework__Proto__OpProto__Attr_Closure)(
+    const PaddleMobile__Framework__Proto__OpProto__Attr *message,
+    void *closure_data);
+typedef void (*PaddleMobile__Framework__Proto__OpProto_Closure)(
+    const PaddleMobile__Framework__Proto__OpProto *message, void *closure_data);
+typedef void (*PaddleMobile__Framework__Proto__VarType__TensorDesc_Closure)(
+    const PaddleMobile__Framework__Proto__VarType__TensorDesc *message,
+    void *closure_data);
+typedef void (*PaddleMobile__Framework__Proto__VarType__LoDTensorDesc_Closure)(
+    const PaddleMobile__Framework__Proto__VarType__LoDTensorDesc *message,
+    void *closure_data);
+typedef void (
+    *PaddleMobile__Framework__Proto__VarType__LoDTensorArrayDesc_Closure)(
+    const PaddleMobile__Framework__Proto__VarType__LoDTensorArrayDesc *message,
+    void *closure_data);
+typedef void (*PaddleMobile__Framework__Proto__VarType__ReaderDesc_Closure)(
+    const PaddleMobile__Framework__Proto__VarType__ReaderDesc *message,
+    void *closure_data);
+typedef void (*PaddleMobile__Framework__Proto__VarType__ChannelDesc_Closure)(
+    const PaddleMobile__Framework__Proto__VarType__ChannelDesc *message,
+    void *closure_data);
+typedef void (*PaddleMobile__Framework__Proto__VarType__Tuple_Closure)(
+    const PaddleMobile__Framework__Proto__VarType__Tuple *message,
+    void *closure_data);
+typedef void (*PaddleMobile__Framework__Proto__VarType_Closure)(
+    const PaddleMobile__Framework__Proto__VarType *message, void *closure_data);
+typedef void (*PaddleMobile__Framework__Proto__VarDesc_Closure)(
+    const PaddleMobile__Framework__Proto__VarDesc *message, void *closure_data);
+typedef void (*PaddleMobile__Framework__Proto__BlockDesc_Closure)(
+    const PaddleMobile__Framework__Proto__BlockDesc *message,
+    void *closure_data);
+typedef void (*PaddleMobile__Framework__Proto__ProgramDesc_Closure)(
+    const PaddleMobile__Framework__Proto__ProgramDesc *message,
+    void *closure_data);
+
+/* --- services --- */
+
+/* --- descriptors --- */
+
+extern const ProtobufCEnumDescriptor
+    paddle_mobile__framework__proto__attr_type__descriptor;
+extern const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__op_desc__descriptor;
+extern const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__op_desc__attr__descriptor;
+extern const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__op_desc__var__descriptor;
+extern const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__op_proto__descriptor;
+extern const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__op_proto__var__descriptor;
+extern const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__op_proto__attr__descriptor;
+extern const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__var_type__descriptor;
+extern const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__var_type__tensor_desc__descriptor;
+extern const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__var_type__lo_dtensor_desc__descriptor;
+extern const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__var_type__lo_dtensor_array_desc__descriptor;
+extern const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__var_type__reader_desc__descriptor;
+extern const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__var_type__channel_desc__descriptor;
+extern const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__var_type__tuple__descriptor;
+extern const ProtobufCEnumDescriptor
+    paddle_mobile__framework__proto__var_type__type__descriptor;
+extern const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__var_desc__descriptor;
+extern const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__block_desc__descriptor;
+extern const ProtobufCMessageDescriptor
+    paddle_mobile__framework__proto__program_desc__descriptor;
+
+PROTOBUF_C__END_DECLS
+
+#endif /* PROTOBUF_C_framework_2eproto__INCLUDED */

tools/quantification/src/program_desc.cpp

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed 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. */
+
+//
+// Created by 谢柏渊 on 2018/7/25.
+//
+
+#include "src/program_desc.h"
+#include <vector>
+
+ProgramDesc::ProgramDesc(PaddleMobile__Framework__Proto__ProgramDesc *desc) {
+  for (int i = 0; i < desc->n_blocks; ++i) {
+    blocks_.emplace_back(std::make_shared<BlockDesc>(desc->blocks[i]));
+  }
+}
+
+const std::vector<std::shared_ptr<BlockDesc>> ProgramDesc::Blocks() {
+  return blocks_;
+}

tools/quantification/src/program_desc.h

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed 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. */
+
+//
+// Created by 谢柏渊 on 2018/7/25.
+//
+
+#ifndef TOOLS_QUANTIFICATION_SRC_PROGRAM_DESC_H_
+#define TOOLS_QUANTIFICATION_SRC_PROGRAM_DESC_H_
+
+#include <memory>
+#include <vector>
+#include "src/block_desc_local.h"
+#include "src/framework.pb-c.h"
+
+class ProgramDesc {
+ public:
+  //    friend class Node;
+  //
+  //    friend class ProgramOptimize;
+
+  explicit ProgramDesc(PaddleMobile__Framework__Proto__ProgramDesc *desc);
+
+  const std::vector<std::shared_ptr<BlockDesc>> Blocks();
+
+ private:
+  std::vector<std::shared_ptr<BlockDesc>> blocks_;
+};
+
+#endif  // TOOLS_QUANTIFICATION_SRC_PROGRAM_DESC_H_

tools/quantification/src/protobuf-c.c

+/*
+ * Copyright (c) 2008-2015, Dave Benson and the protobuf-c authors.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*! \file
+ * Support library for `protoc-c` generated code.
+ *
+ * This file implements the public API used by the code generated
+ * by `protoc-c`.
+ *
+ * \authors Dave Benson and the protobuf-c authors
+ *
+ * \copyright 2008-2014. Licensed under the terms of the [BSD-2-Clause] license.
+ */
+
+/**
+ * \todo 64-BIT OPTIMIZATION: certain implementations use 32-bit math
+ * even on 64-bit platforms (uint64_size, uint64_pack, parse_uint64).
+ *
+ * \todo Use size_t consistently.
+ */
+
+#include <stdlib.h> /* for malloc, free */
+#include <string.h> /* for strcmp, strlen, memcpy, memmove, memset */
+
+#include "protobuf-c.h"
+
+#define TRUE 1
+#define FALSE 0
+
+#define PROTOBUF_C__ASSERT_NOT_REACHED() assert(0)
+
+/* Workaround for Microsoft compilers. */
+#ifdef _MSC_VER
+#define inline __inline
+#endif
+
+/**
+ * \defgroup internal Internal functions and macros
+ *
+ * These are not exported by the library but are useful to developers working
+ * on `libprotobuf-c` itself.
+ */
+
+/**
+ * \defgroup macros Utility macros for manipulating structures
+ *
+ * Macros and constants used to manipulate the base "classes" generated by
+ * `protobuf-c`. They also define limits and check correctness.
+ *
+ * \ingroup internal
+ * @{
+ */
+
+/** The maximum length of a 64-bit integer in varint encoding. */
+#define MAX_UINT64_ENCODED_SIZE 10
+
+#ifndef PROTOBUF_C_UNPACK_ERROR
+#define PROTOBUF_C_UNPACK_ERROR(...)
+#endif
+
+const char protobuf_c_empty_string[] = "";
+
+/**
+ * Internal `ProtobufCMessage` manipulation macro.
+ *
+ * Base macro for manipulating a `ProtobufCMessage`. Used by STRUCT_MEMBER() and
+ * STRUCT_MEMBER_PTR().
+ */
+#define STRUCT_MEMBER_P(struct_p, struct_offset) \
+  ((void *)((uint8_t *)(struct_p) + (struct_offset)))
+
+/**
+ * Return field in a `ProtobufCMessage` based on offset.
+ *
+ * Take a pointer to a `ProtobufCMessage` and find the field at the offset.
+ * Cast it to the passed type.
+ */
+#define STRUCT_MEMBER(member_type, struct_p, struct_offset) \
+  (*(member_type *)STRUCT_MEMBER_P((struct_p), (struct_offset)))
+
+/**
+ * Return field in a `ProtobufCMessage` based on offset.
+ *
+ * Take a pointer to a `ProtobufCMessage` and find the field at the offset. Cast
+ * it to a pointer to the passed type.
+ */
+#define STRUCT_MEMBER_PTR(member_type, struct_p, struct_offset) \
+  ((member_type *)STRUCT_MEMBER_P((struct_p), (struct_offset)))
+
+/* Assertions for magic numbers. */
+
+#define ASSERT_IS_ENUM_DESCRIPTOR(desc) \
+  assert((desc)->magic == PROTOBUF_C__ENUM_DESCRIPTOR_MAGIC)
+
+#define ASSERT_IS_MESSAGE_DESCRIPTOR(desc) \
+  assert((desc)->magic == PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC)
+
+#define ASSERT_IS_MESSAGE(message) \
+  ASSERT_IS_MESSAGE_DESCRIPTOR((message)->descriptor)
+
+#define ASSERT_IS_SERVICE_DESCRIPTOR(desc) \
+  assert((desc)->magic == PROTOBUF_C__SERVICE_DESCRIPTOR_MAGIC)
+
+/**@}*/
+
+/* --- version --- */
+
+const char *protobuf_c_version(void) { return PROTOBUF_C_VERSION; }
+
+uint32_t protobuf_c_version_number(void) { return PROTOBUF_C_VERSION_NUMBER; }
+
+/* --- allocator --- */
+
+static void *system_alloc(void *allocator_data, size_t size) {
+  return malloc(size);
+}
+
+static void system_free(void *allocator_data, void *data) { free(data); }
+
+static inline void *do_alloc(ProtobufCAllocator *allocator, size_t size) {
+  return allocator->alloc(allocator->allocator_data, size);
+}
+
+static inline void do_free(ProtobufCAllocator *allocator, void *data) {
+  if (data != NULL) allocator->free(allocator->allocator_data, data);
+}
+
+/*
+ * This allocator uses the system's malloc() and free(). It is the default
+ * allocator used if NULL is passed as the ProtobufCAllocator to an exported
+ * function.
+ */
+static ProtobufCAllocator protobuf_c__allocator = {
+    .alloc = &system_alloc,
+    .free = &system_free,
+    .allocator_data = NULL,
+};
+
+/* === buffer-simple === */
+
+void protobuf_c_buffer_simple_append(ProtobufCBuffer *buffer, size_t len,
+                                     const uint8_t *data) {
+  ProtobufCBufferSimple *simp = (ProtobufCBufferSimple *)buffer;
+  size_t new_len = simp->len + len;
+
+  if (new_len > simp->alloced) {
+    ProtobufCAllocator *allocator = simp->allocator;
+    size_t new_alloced = simp->alloced * 2;
+    uint8_t *new_data;
+
+    if (allocator == NULL) allocator = &protobuf_c__allocator;
+    while (new_alloced < new_len) new_alloced += new_alloced;
+    new_data = do_alloc(allocator, new_alloced);
+    if (!new_data) return;
+    memcpy(new_data, simp->data, simp->len);
+    if (simp->must_free_data)
+      do_free(allocator, simp->data);
+    else
+      simp->must_free_data = TRUE;
+    simp->data = new_data;
+    simp->alloced = new_alloced;
+  }
+  memcpy(simp->data + simp->len, data, len);
+  simp->len = new_len;
+}
+
+/**
+ * \defgroup packedsz protobuf_c_message_get_packed_size() implementation
+ *
+ * Routines mainly used by protobuf_c_message_get_packed_size().
+ *
+ * \ingroup internal
+ * @{
+ */
+
+/**
+ * Return the number of bytes required to store the tag for the field. Includes
+ * 3 bits for the wire-type, and a single bit that denotes the end-of-tag.
+ *
+ * \param number
+ *      Field tag to encode.
+ * \return
+ *      Number of bytes required.
+ */
+static inline size_t get_tag_size(uint32_t number) {
+  if (number < (1UL << 4)) {
+    return 1;
+  } else if (number < (1UL << 11)) {
+    return 2;
+  } else if (number < (1UL << 18)) {
+    return 3;
+  } else if (number < (1UL << 25)) {
+    return 4;
+  } else {
+    return 5;
+  }
+}
+
+/**
+ * Return the number of bytes required to store a variable-length unsigned
+ * 32-bit integer in base-128 varint encoding.
+ *
+ * \param v
+ *      Value to encode.
+ * \return
+ *      Number of bytes required.
+ */
+static inline size_t uint32_size(uint32_t v) {
+  if (v < (1UL << 7)) {
+    return 1;
+  } else if (v < (1UL << 14)) {
+    return 2;
+  } else if (v < (1UL << 21)) {
+    return 3;
+  } else if (v < (1UL << 28)) {
+    return 4;
+  } else {
+    return 5;
+  }
+}
+
+/**
+ * Return the number of bytes required to store a variable-length signed 32-bit
+ * integer in base-128 varint encoding.
+ *
+ * \param v
+ *      Value to encode.
+ * \return
+ *      Number of bytes required.
+ */
+static inline size_t int32_size(int32_t v) {
+  if (v < 0) {
+    return 10;
+  } else if (v < (1L << 7)) {
+    return 1;
+  } else if (v < (1L << 14)) {
+    return 2;
+  } else if (v < (1L << 21)) {
+    return 3;
+  } else if (v < (1L << 28)) {
+    return 4;
+  } else {
+    return 5;
+  }
+}
+
+/**
+ * Return the ZigZag-encoded 32-bit unsigned integer form of a 32-bit signed
+ * integer.
+ *
+ * \param v
+ *      Value to encode.
+ * \return
+ *      ZigZag encoded integer.
+ */
+static inline uint32_t zigzag32(int32_t v) {
+  if (v < 0)
+    return (-(uint32_t)v) * 2 - 1;
+  else
+    return (uint32_t)(v)*2;
+}
+
+/**
+ * Return the number of bytes required to store a signed 32-bit integer,
+ * converted to an unsigned 32-bit integer with ZigZag encoding, using base-128
+ * varint encoding.
+ *
+ * \param v
+ *      Value to encode.
+ * \return
+ *      Number of bytes required.
+ */
+static inline size_t sint32_size(int32_t v) { return uint32_size(zigzag32(v)); }
+
+/**
+ * Return the number of bytes required to store a 64-bit unsigned integer in
+ * base-128 varint encoding.
+ *
+ * \param v
+ *      Value to encode.
+ * \return
+ *      Number of bytes required.
+ */
+static inline size_t uint64_size(uint64_t v) {
+  uint32_t upper_v = (uint32_t)(v >> 32);
+
+  if (upper_v == 0) {
+    return uint32_size((uint32_t)v);
+  } else if (upper_v < (1UL << 3)) {
+    return 5;
+  } else if (upper_v < (1UL << 10)) {
+    return 6;
+  } else if (upper_v < (1UL << 17)) {
+    return 7;
+  } else if (upper_v < (1UL << 24)) {
+    return 8;
+  } else if (upper_v < (1UL << 31)) {
+    return 9;
+  } else {
+    return 10;
+  }
+}
+
+/**
+ * Return the ZigZag-encoded 64-bit unsigned integer form of a 64-bit signed
+ * integer.
+ *
+ * \param v
+ *      Value to encode.
+ * \return
+ *      ZigZag encoded integer.
+ */
+static inline uint64_t zigzag64(int64_t v) {
+  if (v < 0)
+    return (-(uint64_t)v) * 2 - 1;
+  else
+    return (uint64_t)(v)*2;
+}
+
+/**
+ * Return the number of bytes required to store a signed 64-bit integer,
+ * converted to an unsigned 64-bit integer with ZigZag encoding, using base-128
+ * varint encoding.
+ *
+ * \param v
+ *      Value to encode.
+ * \return
+ *      Number of bytes required.
+ */
+static inline size_t sint64_size(int64_t v) { return uint64_size(zigzag64(v)); }
+
+/**
+ * Calculate the serialized size of a single required message field, including
+ * the space needed by the preceding tag.
+ *
+ * \param field
+ *      Field descriptor for member.
+ * \param member
+ *      Field to encode.
+ * \return
+ *      Number of bytes required.
+ */
+static size_t required_field_get_packed_size(
+    const ProtobufCFieldDescriptor *field, const void *member) {
+  size_t rv = get_tag_size(field->id);
+
+  switch (field->type) {
+    case PROTOBUF_C_TYPE_SINT32:
+      return rv + sint32_size(*(const int32_t *)member);
+    case PROTOBUF_C_TYPE_ENUM:
+    case PROTOBUF_C_TYPE_INT32:
+      return rv + int32_size(*(const int32_t *)member);
+    case PROTOBUF_C_TYPE_UINT32:
+      return rv + uint32_size(*(const uint32_t *)member);
+    case PROTOBUF_C_TYPE_SINT64:
+      return rv + sint64_size(*(const int64_t *)member);
+    case PROTOBUF_C_TYPE_INT64:
+    case PROTOBUF_C_TYPE_UINT64:
+      return rv + uint64_size(*(const uint64_t *)member);
+    case PROTOBUF_C_TYPE_SFIXED32:
+    case PROTOBUF_C_TYPE_FIXED32:
+      return rv + 4;
+    case PROTOBUF_C_TYPE_SFIXED64:
+    case PROTOBUF_C_TYPE_FIXED64:
+      return rv + 8;
+    case PROTOBUF_C_TYPE_BOOL:
+      return rv + 1;
+    case PROTOBUF_C_TYPE_FLOAT:
+      return rv + 4;
+    case PROTOBUF_C_TYPE_DOUBLE:
+      return rv + 8;
+    case PROTOBUF_C_TYPE_STRING: {
+      const char *str = *(char *const *)member;
+      size_t len = str ? strlen(str) : 0;
+      return rv + uint32_size(len) + len;
+    }
+    case PROTOBUF_C_TYPE_BYTES: {
+      size_t len = ((const ProtobufCBinaryData *)member)->len;
+      return rv + uint32_size(len) + len;
+    }
+    case PROTOBUF_C_TYPE_MESSAGE: {
+      const ProtobufCMessage *msg = *(ProtobufCMessage *const *)member;
+      size_t subrv = msg ? protobuf_c_message_get_packed_size(msg) : 0;
+      return rv + uint32_size(subrv) + subrv;
+    }
+  }
+  PROTOBUF_C__ASSERT_NOT_REACHED();
+  return 0;
+}
+
+/**
+ * Calculate the serialized size of a single oneof message field, including
+ * the space needed by the preceding tag. Returns 0 if the oneof field isn't
+ * selected or is not set.
+ *
+ * \param field
+ *      Field descriptor for member.
+ * \param oneof_case
+ *      Enum value that selects the field in the oneof.
+ * \param member
+ *      Field to encode.
+ * \return
+ *      Number of bytes required.
+ */
+static size_t oneof_field_get_packed_size(const ProtobufCFieldDescriptor *field,
+                                          uint32_t oneof_case,
+                                          const void *member) {
+  if (oneof_case != field->id) {
+    return 0;
+  }
+  if (field->type == PROTOBUF_C_TYPE_MESSAGE ||
+      field->type == PROTOBUF_C_TYPE_STRING) {
+    const void *ptr = *(const void *const *)member;
+    if (ptr == NULL || ptr == field->default_value) return 0;
+  }
+  return required_field_get_packed_size(field, member);
+}
+
+/**
+ * Calculate the serialized size of a single optional message field, including
+ * the space needed by the preceding tag. Returns 0 if the optional field isn't
+ * set.
+ *
+ * \param field
+ *      Field descriptor for member.
+ * \param has
+ *      True if the field exists, false if not.
+ * \param member
+ *      Field to encode.
+ * \return
+ *      Number of bytes required.
+ */
+static size_t optional_field_get_packed_size(
+    const ProtobufCFieldDescriptor *field, const protobuf_c_boolean has,
+    const void *member) {
+  if (field->type == PROTOBUF_C_TYPE_MESSAGE ||
+      field->type == PROTOBUF_C_TYPE_STRING) {
+    const void *ptr = *(const void *const *)member;
+    if (ptr == NULL || ptr == field->default_value) return 0;
+  } else {
+    if (!has) return 0;
+  }
+  return required_field_get_packed_size(field, member);
+}
+
+static protobuf_c_boolean field_is_zeroish(
+    const ProtobufCFieldDescriptor *field, const void *member) {
+  protobuf_c_boolean ret = FALSE;
+
+  switch (field->type) {
+    case PROTOBUF_C_TYPE_BOOL:
+      ret = (0 == *(const protobuf_c_boolean *)member);
+      break;
+    case PROTOBUF_C_TYPE_ENUM:
+    case PROTOBUF_C_TYPE_SINT32:
+    case PROTOBUF_C_TYPE_INT32:
+    case PROTOBUF_C_TYPE_UINT32:
+    case PROTOBUF_C_TYPE_SFIXED32:
+    case PROTOBUF_C_TYPE_FIXED32:
+      ret = (0 == *(const uint32_t *)member);
+      break;
+    case PROTOBUF_C_TYPE_SINT64:
+    case PROTOBUF_C_TYPE_INT64:
+    case PROTOBUF_C_TYPE_UINT64:
+    case PROTOBUF_C_TYPE_SFIXED64:
+    case PROTOBUF_C_TYPE_FIXED64:
+      ret = (0 == *(const uint64_t *)member);
+      break;
+    case PROTOBUF_C_TYPE_FLOAT:
+      ret = (0 == *(const float *)member);
+      break;
+    case PROTOBUF_C_TYPE_DOUBLE:
+      ret = (0 == *(const double *)member);
+      break;
+    case PROTOBUF_C_TYPE_STRING:
+      ret = (NULL == *(const char *const *)member) ||
+            ('\0' == **(const char *const *)member);
+      break;
+    case PROTOBUF_C_TYPE_BYTES:
+    case PROTOBUF_C_TYPE_MESSAGE:
+      ret = (NULL == *(const void *const *)member);
+      break;
+    default:
+      ret = TRUE;
+      break;
+  }
+
+  return ret;
+}
+
+/**
+ * Calculate the serialized size of a single unlabeled message field, including
+ * the space needed by the preceding tag. Returns 0 if the field isn't set or
+ * if it is set to a "zeroish" value (null pointer or 0 for numerical values).
+ * Unlabeled fields are supported only in proto3.
+ *
+ * \param field
+ *      Field descriptor for member.
+ * \param member
+ *      Field to encode.
+ * \return
+ *      Number of bytes required.
+ */
+static size_t unlabeled_field_get_packed_size(
+    const ProtobufCFieldDescriptor *field, const void *member) {
+  if (field_is_zeroish(field, member)) return 0;
+  return required_field_get_packed_size(field, member);
+}
+
+/**
+ * Calculate the serialized size of repeated message fields, which may consist
+ * of any number of values (including 0). Includes the space needed by the
+ * preceding tags (as needed).
+ *
+ * \param field
+ *      Field descriptor for member.
+ * \param count
+ *      Number of repeated field members.
+ * \param member
+ *      Field to encode.
+ * \return
+ *      Number of bytes required.
+ */
+static size_t repeated_field_get_packed_size(
+    const ProtobufCFieldDescriptor *field, size_t count, const void *member) {
+  size_t header_size;
+  size_t rv = 0;
+  unsigned i;
+  void *array = *(void *const *)member;
+
+  if (count == 0) return 0;
+  header_size = get_tag_size(field->id);
+  if (0 == (field->flags & PROTOBUF_C_FIELD_FLAG_PACKED)) header_size *= count;
+
+  switch (field->type) {
+    case PROTOBUF_C_TYPE_SINT32:
+      for (i = 0; i < count; i++) rv += sint32_size(((int32_t *)array)[i]);
+      break;
+    case PROTOBUF_C_TYPE_ENUM:
+    case PROTOBUF_C_TYPE_INT32:
+      for (i = 0; i < count; i++) rv += int32_size(((int32_t *)array)[i]);
+      break;
+    case PROTOBUF_C_TYPE_UINT32:
+      for (i = 0; i < count; i++) rv += uint32_size(((uint32_t *)array)[i]);
+      break;
+    case PROTOBUF_C_TYPE_SINT64:
+      for (i = 0; i < count; i++) rv += sint64_size(((int64_t *)array)[i]);
+      break;
+    case PROTOBUF_C_TYPE_INT64:
+    case PROTOBUF_C_TYPE_UINT64:
+      for (i = 0; i < count; i++) rv += uint64_size(((uint64_t *)array)[i]);
+      break;
+    case PROTOBUF_C_TYPE_SFIXED32:
+    case PROTOBUF_C_TYPE_FIXED32:
+    case PROTOBUF_C_TYPE_FLOAT:
+      rv += 4 * count;
+      break;
+    case PROTOBUF_C_TYPE_SFIXED64:
+    case PROTOBUF_C_TYPE_FIXED64:
+    case PROTOBUF_C_TYPE_DOUBLE:
+      rv += 8 * count;
+      break;
+    case PROTOBUF_C_TYPE_BOOL:
+      rv += count;
+      break;
+    case PROTOBUF_C_TYPE_STRING:
+      for (i = 0; i < count; i++) {
+        size_t len = strlen(((char **)array)[i]);
+        rv += uint32_size(len) + len;
+      }
+      break;
+    case PROTOBUF_C_TYPE_BYTES:
+      for (i = 0; i < count; i++) {
+        size_t len = ((ProtobufCBinaryData *)array)[i].len;
+        rv += uint32_size(len) + len;
+      }
+      break;
+    case PROTOBUF_C_TYPE_MESSAGE:
+      for (i = 0; i < count; i++) {
+        size_t len =
+            protobuf_c_message_get_packed_size(((ProtobufCMessage **)array)[i]);
+        rv += uint32_size(len) + len;
+      }
+      break;
+  }
+
+  if (0 != (field->flags & PROTOBUF_C_FIELD_FLAG_PACKED))
+    header_size += uint32_size(rv);
+  return header_size + rv;
+}
+
+/**
+ * Calculate the serialized size of an unknown field, i.e. one that is passed
+ * through mostly uninterpreted. This is required for forward compatibility if
+ * new fields are added to the message descriptor.
+ *
+ * \param field
+ *      Unknown field type.
+ * \return
+ *      Number of bytes required.
+ */
+static inline size_t unknown_field_get_packed_size(
+    const ProtobufCMessageUnknownField *field) {
+  return get_tag_size(field->tag) + field->len;
+}
+
+/**@}*/
+
+/*
+ * Calculate the serialized size of the message.
+ */
+size_t protobuf_c_message_get_packed_size(const ProtobufCMessage *message) {
+  unsigned i;
+  size_t rv = 0;
+
+  ASSERT_IS_MESSAGE(message);
+  for (i = 0; i < message->descriptor->n_fields; i++) {
+    const ProtobufCFieldDescriptor *field = message->descriptor->fields + i;
+    const void *member = ((const char *)message) + field->offset;
+    const void *qmember = ((const char *)message) + field->quantifier_offset;
+
+    if (field->label == PROTOBUF_C_LABEL_REQUIRED) {
+      rv += required_field_get_packed_size(field, member);
+    } else if ((field->label == PROTOBUF_C_LABEL_OPTIONAL ||
+                field->label == PROTOBUF_C_LABEL_NONE) &&
+               (0 != (field->flags & PROTOBUF_C_FIELD_FLAG_ONEOF))) {
+      rv += oneof_field_get_packed_size(field, *(const uint32_t *)qmember,
+                                        member);
+    } else if (field->label == PROTOBUF_C_LABEL_OPTIONAL) {
+      rv += optional_field_get_packed_size(
+          field, *(protobuf_c_boolean *)qmember, member);
+    } else if (field->label == PROTOBUF_C_LABEL_NONE) {
+      rv += unlabeled_field_get_packed_size(field, member);
+    } else {
+      rv += repeated_field_get_packed_size(field, *(const size_t *)qmember,
+                                           member);
+    }
+  }
+  for (i = 0; i < message->n_unknown_fields; i++)
+    rv += unknown_field_get_packed_size(&message->unknown_fields[i]);
+  return rv;
+}
+
+/**
+ * \defgroup pack protobuf_c_message_pack() implementation
+ *
+ * Routines mainly used by protobuf_c_message_pack().
+ *
+ * \ingroup internal
+ * @{
+ */
+
+/**
+ * Pack an unsigned 32-bit integer in base-128 varint encoding and return the
+ * number of bytes written, which must be 5 or less.
+ *
+ * \param value
+ *      Value to encode.
+ * \param[out] out
+ *      Packed value.
+ * \return
+ *      Number of bytes written to `out`.
+ */
+static inline size_t uint32_pack(uint32_t value, uint8_t *out) {
+  unsigned rv = 0;
+
+  if (value >= 0x80) {
+    out[rv++] = value | 0x80;
+    value >>= 7;
+    if (value >= 0x80) {
+      out[rv++] = value | 0x80;
+      value >>= 7;
+      if (value >= 0x80) {
+        out[rv++] = value | 0x80;
+        value >>= 7;
+        if (value >= 0x80) {
+          out[rv++] = value | 0x80;
+          value >>= 7;
+        }
+      }
+    }
+  }
+  /* assert: value<128 */
+  out[rv++] = value;
+  return rv;
+}
+
+/**
+ * Pack a 64-bit unsigned integer using base-128 varint encoding and return the
+ * number of bytes written.
+ *
+ * \param value
+ *      Value to encode.
+ * \param[out] out
+ *      Packed value.
+ * \return
+ *      Number of bytes written to `out`.
+ */
+static size_t uint64_pack(uint64_t value, uint8_t *out) {
+  uint32_t hi = (uint32_t)(value >> 32);
+  uint32_t lo = (uint32_t)value;
+  unsigned rv;
+
+  if (hi == 0) return uint32_pack((uint32_t)lo, out);
+  out[0] = (lo) | 0x80;
+  out[1] = (lo >> 7) | 0x80;
+  out[2] = (lo >> 14) | 0x80;
+  out[3] = (lo >> 21) | 0x80;
+  if (hi < 8) {
+    out[4] = (hi << 4) | (lo >> 28);
+    return 5;
+  } else {
+    out[4] = ((hi & 7) << 4) | (lo >> 28) | 0x80;
+    hi >>= 3;
+  }
+  rv = 5;
+  while (hi >= 128) {
+    out[rv++] = hi | 0x80;
+    hi >>= 7;
+  }
+  out[rv++] = hi;
+  return rv;
+}
+
+/**
+ * Pack a ProtobufCBinaryData and return the number of bytes written. The output
+ * includes a length delimiter.
+ *
+ * \param bd
+ *      ProtobufCBinaryData to encode.
+ * \param[out] out
+ *      Packed value.
+ * \return
+ *      Number of bytes written to `out`.
+ */
+static inline size_t binary_data_pack(const ProtobufCBinaryData *bd,
+                                      uint8_t *out) {
+  size_t len = bd->len;
+  size_t rv = uint32_pack(len, out);
+  memcpy(out + rv, bd->data, len);
+  return rv + len;
+}
+
+/**
+ * Pack a field tag.
+ *
+ * Wire-type will be added in required_field_pack().
+ *
+ * \todo Just call uint64_pack on 64-bit platforms.
+ *
+ * \param id
+ *      Tag value to encode.
+ * \param[out] out
+ *      Packed value.
+ * \return
+ *      Number of bytes written to `out`.
+ */
+static size_t tag_pack(uint32_t id, uint8_t *out) {
+  if (id < (1UL << (32 - 3)))
+    return uint32_pack(id << 3, out);
+  else
+    return uint64_pack(((uint64_t)id) << 3, out);
+}
+
+/**
+ * Given a field type, return the in-memory size.
+ *
+ * \todo Implement as a table lookup.
+ *
+ * \param type
+ *      Field type.
+ * \return
+ *      Size of the field.
+ */
+static inline size_t sizeof_elt_in_repeated_array(ProtobufCType type) {
+  switch (type) {
+    case PROTOBUF_C_TYPE_SINT32:
+    case PROTOBUF_C_TYPE_INT32:
+    case PROTOBUF_C_TYPE_UINT32:
+    case PROTOBUF_C_TYPE_SFIXED32:
+    case PROTOBUF_C_TYPE_FIXED32:
+    case PROTOBUF_C_TYPE_FLOAT:
+    case PROTOBUF_C_TYPE_ENUM:
+      return 4;
+    case PROTOBUF_C_TYPE_SINT64:
+    case PROTOBUF_C_TYPE_INT64:
+    case PROTOBUF_C_TYPE_UINT64:
+    case PROTOBUF_C_TYPE_SFIXED64:
+    case PROTOBUF_C_TYPE_FIXED64:
+    case PROTOBUF_C_TYPE_DOUBLE:
+      return 8;
+    case PROTOBUF_C_TYPE_BOOL:
+      return sizeof(protobuf_c_boolean);
+    case PROTOBUF_C_TYPE_STRING:
+    case PROTOBUF_C_TYPE_MESSAGE:
+      return sizeof(void *);
+    case PROTOBUF_C_TYPE_BYTES:
+      return sizeof(ProtobufCBinaryData);
+  }
+  PROTOBUF_C__ASSERT_NOT_REACHED();
+  return 0;
+}
+
+static inline int int_range_lookup(unsigned n_ranges,
+                                   const ProtobufCIntRange *ranges, int value) {
+  unsigned n;
+  unsigned start;
+
+  if (n_ranges == 0) return -1;
+  start = 0;
+  n = n_ranges;
+  while (n > 1) {
+    unsigned mid = start + n / 2;
+
+    if (value < ranges[mid].start_value) {
+      n = mid - start;
+    } else if (value >=
+               ranges[mid].start_value +
+                   (int)(ranges[mid + 1].orig_index - ranges[mid].orig_index)) {
+      unsigned new_start = mid + 1;
+      n = start + n - new_start;
+      start = new_start;
+    } else
+      return (value - ranges[mid].start_value) + ranges[mid].orig_index;
+  }
+  if (n > 0) {
+    unsigned start_orig_index = ranges[start].orig_index;
+    unsigned range_size = ranges[start + 1].orig_index - start_orig_index;
+
+    if (ranges[start].start_value <= value &&
+        value < (int)(ranges[start].start_value + range_size)) {
+      return (value - ranges[start].start_value) + start_orig_index;
+    }
+  }
+  return -1;
+}
+
+static size_t parse_tag_and_wiretype(size_t len, const uint8_t *data,
+                                     uint32_t *tag_out,
+                                     ProtobufCWireType *wiretype_out) {
+  unsigned max_rv = len > 5 ? 5 : len;
+  uint32_t tag = (data[0] & 0x7f) >> 3;
+  unsigned shift = 4;
+  unsigned rv;
+
+  *wiretype_out = data[0] & 7;
+  if ((data[0] & 0x80) == 0) {
+    *tag_out = tag;
+    return 1;
+  }
+  for (rv = 1; rv < max_rv; rv++) {
+    if (data[rv] & 0x80) {
+      tag |= (data[rv] & 0x7f) << shift;
+      shift += 7;
+    } else {
+      tag |= data[rv] << shift;
+      *tag_out = tag;
+      return rv + 1;
+    }
+  }
+  return 0; /* error: bad header */
+}
+
+/* sizeof(ScannedMember) must be <= (1UL<<BOUND_SIZEOF_SCANNED_MEMBER_LOG2) */
+#define BOUND_SIZEOF_SCANNED_MEMBER_LOG2 5
+typedef struct _ScannedMember ScannedMember;
+/** Field as it's being read. */
+struct _ScannedMember {
+  uint32_t tag;                          /**< Field tag. */
+  uint8_t wire_type;                     /**< Field type. */
+  uint8_t length_prefix_len;             /**< Prefix length. */
+  const ProtobufCFieldDescriptor *field; /**< Field descriptor. */
+  size_t len;                            /**< Field length. */
+  const uint8_t *data;                   /**< Pointer to field data. */
+};
+
+static inline uint32_t scan_length_prefixed_data(size_t len,
+                                                 const uint8_t *data,
+                                                 size_t *prefix_len_out) {
+  unsigned hdr_max = len < 5 ? len : 5;
+  unsigned hdr_len;
+  uint32_t val = 0;
+  unsigned i;
+  unsigned shift = 0;
+
+  for (i = 0; i < hdr_max; i++) {
+    val |= (data[i] & 0x7f) << shift;
+    shift += 7;
+    if ((data[i] & 0x80) == 0) break;
+  }
+  if (i == hdr_max) {
+    PROTOBUF_C_UNPACK_ERROR("error parsing length for length-prefixed data");
+    return 0;
+  }
+  hdr_len = i + 1;
+  *prefix_len_out = hdr_len;
+  if (hdr_len + val > len) {
+    PROTOBUF_C_UNPACK_ERROR("data too short after length-prefix of %u", val);
+    return 0;
+  }
+  return hdr_len + val;
+}
+
+static size_t max_b128_numbers(size_t len, const uint8_t *data) {
+  size_t rv = 0;
+  while (len--)
+    if ((*data++ & 0x80) == 0) ++rv;
+  return rv;
+}
+
+/**@}*/
+
+/**
+ * Merge earlier message into a latter message.
+ *
+ * For numeric types and strings, if the same value appears multiple
+ * times, the parser accepts the last value it sees. For embedded
+ * message fields, the parser merges multiple instances of the same
+ * field. That is, all singular scalar fields in the latter instance
+ * replace those in the former, singular embedded messages are merged,
+ * and repeated fields are concatenated.
+ *
+ * The earlier message should be freed after calling this function, as
+ * some of its fields may have been reused and changed to their default
+ * values during the merge.
+ */
+static protobuf_c_boolean merge_messages(ProtobufCMessage *earlier_msg,
+                                         ProtobufCMessage *latter_msg,
+                                         ProtobufCAllocator *allocator) {
+  unsigned i;
+  const ProtobufCFieldDescriptor *fields = latter_msg->descriptor->fields;
+  for (i = 0; i < latter_msg->descriptor->n_fields; i++) {
+    if (fields[i].label == PROTOBUF_C_LABEL_REPEATED) {
+      size_t *n_earlier =
+          STRUCT_MEMBER_PTR(size_t, earlier_msg, fields[i].quantifier_offset);
+      uint8_t **p_earlier =
+          STRUCT_MEMBER_PTR(uint8_t *, earlier_msg, fields[i].offset);
+      size_t *n_latter =
+          STRUCT_MEMBER_PTR(size_t, latter_msg, fields[i].quantifier_offset);
+      uint8_t **p_latter =
+          STRUCT_MEMBER_PTR(uint8_t *, latter_msg, fields[i].offset);
+
+      if (*n_earlier > 0) {
+        if (*n_latter > 0) {
+          /* Concatenate the repeated field */
+          size_t el_size = sizeof_elt_in_repeated_array(fields[i].type);
+          uint8_t *new_field;
+
+          new_field = do_alloc(allocator, (*n_earlier + *n_latter) * el_size);
+          if (!new_field) return FALSE;
+
+          memcpy(new_field, *p_earlier, *n_earlier * el_size);
+          memcpy(new_field + *n_earlier * el_size, *p_latter,
+                 *n_latter * el_size);
+
+          do_free(allocator, *p_latter);
+          do_free(allocator, *p_earlier);
+          *p_latter = new_field;
+          *n_latter = *n_earlier + *n_latter;
+        } else {
+          /* Zero copy the repeated field from the earlier message */
+          *n_latter = *n_earlier;
+          *p_latter = *p_earlier;
+        }
+        /* Make sure the field does not get double freed */
+        *n_earlier = 0;
+        *p_earlier = 0;
+      }
+    } else if (fields[i].label == PROTOBUF_C_LABEL_OPTIONAL ||
+               fields[i].label == PROTOBUF_C_LABEL_NONE) {
+      const ProtobufCFieldDescriptor *field;
+      uint32_t *earlier_case_p =
+          STRUCT_MEMBER_PTR(uint32_t, earlier_msg, fields[i].quantifier_offset);
+      uint32_t *latter_case_p =
+          STRUCT_MEMBER_PTR(uint32_t, latter_msg, fields[i].quantifier_offset);
+      protobuf_c_boolean need_to_merge = FALSE;
+      void *earlier_elem;
+      void *latter_elem;
+      const void *def_val;
+
+      if (fields[i].flags & PROTOBUF_C_FIELD_FLAG_ONEOF) {
+        if (*latter_case_p == 0) {
+          /* lookup correct oneof field */
+          int field_index = int_range_lookup(
+              latter_msg->descriptor->n_field_ranges,
+              latter_msg->descriptor->field_ranges, *earlier_case_p);
+          field = latter_msg->descriptor->fields + field_index;
+        } else {
+          /* Oneof is present in the latter message, move on */
+          continue;
+        }
+      } else {
+        field = &fields[i];
+      }
+
+      earlier_elem = STRUCT_MEMBER_P(earlier_msg, field->offset);
+      latter_elem = STRUCT_MEMBER_P(latter_msg, field->offset);
+      def_val = field->default_value;
+
+      switch (field->type) {
+        case PROTOBUF_C_TYPE_MESSAGE: {
+          ProtobufCMessage *em = *(ProtobufCMessage **)earlier_elem;
+          ProtobufCMessage *lm = *(ProtobufCMessage **)latter_elem;
+          if (em != NULL) {
+            if (lm != NULL) {
+              if (!merge_messages(em, lm, allocator)) return FALSE;
+              /* Already merged */
+              need_to_merge = FALSE;
+            } else {
+              /* Zero copy the message */
+              need_to_merge = TRUE;
+            }
+          }
+          break;
+        }
+        case PROTOBUF_C_TYPE_BYTES: {
+          uint8_t *e_data = ((ProtobufCBinaryData *)earlier_elem)->data;
+          uint8_t *l_data = ((ProtobufCBinaryData *)latter_elem)->data;
+          const ProtobufCBinaryData *d_bd = (ProtobufCBinaryData *)def_val;
+
+          need_to_merge =
+              (e_data != NULL && (d_bd == NULL || e_data != d_bd->data)) &&
+              (l_data == NULL || (d_bd != NULL && l_data == d_bd->data));
+          break;
+        }
+        case PROTOBUF_C_TYPE_STRING: {
+          char *e_str = *(char **)earlier_elem;
+          char *l_str = *(char **)latter_elem;
+          const char *d_str = def_val;
+
+          need_to_merge = e_str != d_str && l_str == d_str;
+          break;
+        }
+        default: {
+          /* Could be has field or case enum, the logic is
+           * equivalent, since 0 (FALSE) means not set for
+           * oneof */
+          need_to_merge = (*earlier_case_p != 0) && (*latter_case_p == 0);
+          break;
+        }
+      }
+
+      if (need_to_merge) {
+        size_t el_size = sizeof_elt_in_repeated_array(field->type);
+        memcpy(latter_elem, earlier_elem, el_size);
+        /*
+         * Reset the element from the old message to 0
+         * to make sure earlier message deallocation
+         * doesn't corrupt zero-copied data in the new
+         * message, earlier message will be freed after
+         * this function is called anyway
+         */
+        memset(earlier_elem, 0, el_size);
+
+        if (field->quantifier_offset != 0) {
+          /* Set the has field or the case enum,
+           * if applicable */
+          *latter_case_p = *earlier_case_p;
+          *earlier_case_p = 0;
+        }
+      }
+    }
+  }
+  return TRUE;
+}
+
+/**
+ * Count packed elements.
+ *
+ * Given a raw slab of packed-repeated values, determine the number of
+ * elements. This function detects certain kinds of errors but not
+ * others; the remaining error checking is done by
+ * parse_packed_repeated_member().
+ */
+static protobuf_c_boolean count_packed_elements(ProtobufCType type, size_t len,
+                                                const uint8_t *data,
+                                                size_t *count_out) {
+  switch (type) {
+    case PROTOBUF_C_TYPE_SFIXED32:
+    case PROTOBUF_C_TYPE_FIXED32:
+    case PROTOBUF_C_TYPE_FLOAT:
+      if (len % 4 != 0) {
+        PROTOBUF_C_UNPACK_ERROR(
+            "length must be a multiple of 4 for fixed-length 32-bit types");
+        return FALSE;
+      }
+      *count_out = len / 4;
+      return TRUE;
+    case PROTOBUF_C_TYPE_SFIXED64:
+    case PROTOBUF_C_TYPE_FIXED64:
+    case PROTOBUF_C_TYPE_DOUBLE:
+      if (len % 8 != 0) {
+        PROTOBUF_C_UNPACK_ERROR(
+            "length must be a multiple of 8 for fixed-length 64-bit types");
+        return FALSE;
+      }
+      *count_out = len / 8;
+      return TRUE;
+    case PROTOBUF_C_TYPE_ENUM:
+    case PROTOBUF_C_TYPE_INT32:
+    case PROTOBUF_C_TYPE_SINT32:
+    case PROTOBUF_C_TYPE_UINT32:
+    case PROTOBUF_C_TYPE_INT64:
+    case PROTOBUF_C_TYPE_SINT64:
+    case PROTOBUF_C_TYPE_UINT64:
+      *count_out = max_b128_numbers(len, data);
+      return TRUE;
+    case PROTOBUF_C_TYPE_BOOL:
+      *count_out = len;
+      return TRUE;
+    case PROTOBUF_C_TYPE_STRING:
+    case PROTOBUF_C_TYPE_BYTES:
+    case PROTOBUF_C_TYPE_MESSAGE:
+    default:
+      PROTOBUF_C_UNPACK_ERROR("bad protobuf-c type %u for packed-repeated",
+                              type);
+      return FALSE;
+  }
+}
+
+static inline uint32_t parse_uint32(unsigned len, const uint8_t *data) {
+  uint32_t rv = data[0] & 0x7f;
+  if (len > 1) {
+    rv |= ((uint32_t)(data[1] & 0x7f) << 7);
+    if (len > 2) {
+      rv |= ((uint32_t)(data[2] & 0x7f) << 14);
+      if (len > 3) {
+        rv |= ((uint32_t)(data[3] & 0x7f) << 21);
+        if (len > 4) rv |= ((uint32_t)(data[4]) << 28);
+      }
+    }
+  }
+  return rv;
+}
+
+static inline uint32_t parse_int32(unsigned len, const uint8_t *data) {
+  return parse_uint32(len, data);
+}
+
+static inline int32_t unzigzag32(uint32_t v) {
+  if (v & 1)
+    return -(v >> 1) - 1;
+  else
+    return v >> 1;
+}
+
+static inline uint32_t parse_fixed_uint32(const uint8_t *data) {
+#if !defined(WORDS_BIGENDIAN)
+  uint32_t t;
+  memcpy(&t, data, 4);
+  return t;
+#else
+  return data[0] | ((uint32_t)(data[1]) << 8) | ((uint32_t)(data[2]) << 16) |
+         ((uint32_t)(data[3]) << 24);
+#endif
+}
+
+static uint64_t parse_uint64(unsigned len, const uint8_t *data) {
+  unsigned shift, i;
+  uint64_t rv;
+
+  if (len < 5) return parse_uint32(len, data);
+  rv = ((uint64_t)(data[0] & 0x7f)) | ((uint64_t)(data[1] & 0x7f) << 7) |
+       ((uint64_t)(data[2] & 0x7f) << 14) | ((uint64_t)(data[3] & 0x7f) << 21);
+  shift = 28;
+  for (i = 4; i < len; i++) {
+    rv |= (((uint64_t)(data[i] & 0x7f)) << shift);
+    shift += 7;
+  }
+  return rv;
+}
+
+static inline int64_t unzigzag64(uint64_t v) {
+  if (v & 1)
+    return -(v >> 1) - 1;
+  else
+    return v >> 1;
+}
+
+static inline uint64_t parse_fixed_uint64(const uint8_t *data) {
+#if !defined(WORDS_BIGENDIAN)
+  uint64_t t;
+  memcpy(&t, data, 8);
+  return t;
+#else
+  return (uint64_t)parse_fixed_uint32(data) |
+         (((uint64_t)parse_fixed_uint32(data + 4)) << 32);
+#endif
+}
+
+static protobuf_c_boolean parse_boolean(unsigned len, const uint8_t *data) {
+  unsigned i;
+  for (i = 0; i < len; i++)
+    if (data[i] & 0x7f) return TRUE;
+  return FALSE;
+}
+
+static protobuf_c_boolean parse_required_member(
+    ScannedMember *scanned_member, void *member, ProtobufCAllocator *allocator,
+    protobuf_c_boolean maybe_clear) {
+  unsigned len = scanned_member->len;
+  const uint8_t *data = scanned_member->data;
+  ProtobufCWireType wire_type = scanned_member->wire_type;
+
+  switch (scanned_member->field->type) {
+    case PROTOBUF_C_TYPE_ENUM:
+    case PROTOBUF_C_TYPE_INT32:
+      if (wire_type != PROTOBUF_C_WIRE_TYPE_VARINT) return FALSE;
+      *(int32_t *)member = parse_int32(len, data);
+      return TRUE;
+    case PROTOBUF_C_TYPE_UINT32:
+      if (wire_type != PROTOBUF_C_WIRE_TYPE_VARINT) return FALSE;
+      *(uint32_t *)member = parse_uint32(len, data);
+      return TRUE;
+    case PROTOBUF_C_TYPE_SINT32:
+      if (wire_type != PROTOBUF_C_WIRE_TYPE_VARINT) return FALSE;
+      *(int32_t *)member = unzigzag32(parse_uint32(len, data));
+      return TRUE;
+    case PROTOBUF_C_TYPE_SFIXED32:
+    case PROTOBUF_C_TYPE_FIXED32:
+    case PROTOBUF_C_TYPE_FLOAT:
+      if (wire_type != PROTOBUF_C_WIRE_TYPE_32BIT) return FALSE;
+      *(uint32_t *)member = parse_fixed_uint32(data);
+      return TRUE;
+    case PROTOBUF_C_TYPE_INT64:
+    case PROTOBUF_C_TYPE_UINT64:
+      if (wire_type != PROTOBUF_C_WIRE_TYPE_VARINT) return FALSE;
+      *(uint64_t *)member = parse_uint64(len, data);
+      return TRUE;
+    case PROTOBUF_C_TYPE_SINT64:
+      if (wire_type != PROTOBUF_C_WIRE_TYPE_VARINT) return FALSE;
+      *(int64_t *)member = unzigzag64(parse_uint64(len, data));
+      return TRUE;
+    case PROTOBUF_C_TYPE_SFIXED64:
+    case PROTOBUF_C_TYPE_FIXED64:
+    case PROTOBUF_C_TYPE_DOUBLE:
+      if (wire_type != PROTOBUF_C_WIRE_TYPE_64BIT) return FALSE;
+      *(uint64_t *)member = parse_fixed_uint64(data);
+      return TRUE;
+    case PROTOBUF_C_TYPE_BOOL:
+      *(protobuf_c_boolean *)member = parse_boolean(len, data);
+      return TRUE;
+    case PROTOBUF_C_TYPE_STRING: {
+      char **pstr = member;
+      unsigned pref_len = scanned_member->length_prefix_len;
+
+      if (wire_type != PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED) return FALSE;
+
+      if (maybe_clear && *pstr != NULL) {
+        const char *def = scanned_member->field->default_value;
+        if (*pstr != NULL && *pstr != def) do_free(allocator, *pstr);
+      }
+      *pstr = do_alloc(allocator, len - pref_len + 1);
+      if (*pstr == NULL) return FALSE;
+      memcpy(*pstr, data + pref_len, len - pref_len);
+      (*pstr)[len - pref_len] = 0;
+      return TRUE;
+    }
+    case PROTOBUF_C_TYPE_BYTES: {
+      ProtobufCBinaryData *bd = member;
+      const ProtobufCBinaryData *def_bd;
+      unsigned pref_len = scanned_member->length_prefix_len;
+
+      if (wire_type != PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED) return FALSE;
+
+      def_bd = scanned_member->field->default_value;
+      if (maybe_clear && bd->data != NULL &&
+          (def_bd == NULL || bd->data != def_bd->data)) {
+        do_free(allocator, bd->data);
+      }
+      if (len - pref_len > 0) {
+        bd->data = do_alloc(allocator, len - pref_len);
+        if (bd->data == NULL) return FALSE;
+        memcpy(bd->data, data + pref_len, len - pref_len);
+      } else {
+        bd->data = NULL;
+      }
+      bd->len = len - pref_len;
+      return TRUE;
+    }
+    case PROTOBUF_C_TYPE_MESSAGE: {
+      ProtobufCMessage **pmessage = member;
+      ProtobufCMessage *subm;
+      const ProtobufCMessage *def_mess;
+      protobuf_c_boolean merge_successful = TRUE;
+      unsigned pref_len = scanned_member->length_prefix_len;
+
+      if (wire_type != PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED) return FALSE;
+
+      def_mess = scanned_member->field->default_value;
+      subm =
+          protobuf_c_message_unpack(scanned_member->field->descriptor,
+                                    allocator, len - pref_len, data + pref_len);
+
+      if (maybe_clear && *pmessage != NULL && *pmessage != def_mess) {
+        if (subm != NULL)
+          merge_successful = merge_messages(*pmessage, subm, allocator);
+        /* Delete the previous message */
+        protobuf_c_message_free_unpacked(*pmessage, allocator);
+      }
+      *pmessage = subm;
+      if (subm == NULL || !merge_successful) return FALSE;
+      return TRUE;
+    }
+  }
+  return FALSE;
+}
+
+static protobuf_c_boolean parse_oneof_member(ScannedMember *scanned_member,
+                                             void *member,
+                                             ProtobufCMessage *message,
+                                             ProtobufCAllocator *allocator) {
+  uint32_t *oneof_case = STRUCT_MEMBER_PTR(
+      uint32_t, message, scanned_member->field->quantifier_offset);
+
+  /* If we have already parsed a member of this oneof, free it. */
+  if (*oneof_case != 0) {
+    /* lookup field */
+    int field_index =
+        int_range_lookup(message->descriptor->n_field_ranges,
+                         message->descriptor->field_ranges, *oneof_case);
+    const ProtobufCFieldDescriptor *old_field =
+        message->descriptor->fields + field_index;
+    size_t el_size = sizeof_elt_in_repeated_array(old_field->type);
+
+    switch (old_field->type) {
+      case PROTOBUF_C_TYPE_STRING: {
+        char **pstr = member;
+        const char *def = old_field->default_value;
+        if (*pstr != NULL && *pstr != def) do_free(allocator, *pstr);
+        break;
+      }
+      case PROTOBUF_C_TYPE_BYTES: {
+        ProtobufCBinaryData *bd = member;
+        const ProtobufCBinaryData *def_bd = old_field->default_value;
+        if (bd->data != NULL && (def_bd == NULL || bd->data != def_bd->data)) {
+          do_free(allocator, bd->data);
+        }
+        break;
+      }
+      case PROTOBUF_C_TYPE_MESSAGE: {
+        ProtobufCMessage **pmessage = member;
+        const ProtobufCMessage *def_mess = old_field->default_value;
+        if (*pmessage != NULL && *pmessage != def_mess)
+          protobuf_c_message_free_unpacked(*pmessage, allocator);
+        break;
+      }
+      default:
+        break;
+    }
+
+    memset(member, 0, el_size);
+  }
+  if (!parse_required_member(scanned_member, member, allocator, TRUE))
+    return FALSE;
+
+  *oneof_case = scanned_member->tag;
+  return TRUE;
+}
+
+static protobuf_c_boolean parse_optional_member(ScannedMember *scanned_member,
+                                                void *member,
+                                                ProtobufCMessage *message,
+                                                ProtobufCAllocator *allocator) {
+  if (!parse_required_member(scanned_member, member, allocator, TRUE))
+    return FALSE;
+  if (scanned_member->field->quantifier_offset != 0)
+    STRUCT_MEMBER(protobuf_c_boolean, message,
+                  scanned_member->field->quantifier_offset) = TRUE;
+  return TRUE;
+}
+
+static protobuf_c_boolean parse_repeated_member(ScannedMember *scanned_member,
+                                                void *member,
+                                                ProtobufCMessage *message,
+                                                ProtobufCAllocator *allocator) {
+  const ProtobufCFieldDescriptor *field = scanned_member->field;
+  size_t *p_n = STRUCT_MEMBER_PTR(size_t, message, field->quantifier_offset);
+  size_t siz = sizeof_elt_in_repeated_array(field->type);
+  char *array = *(char **)member;
+
+  if (!parse_required_member(scanned_member, array + siz * (*p_n), allocator,
+                             FALSE)) {
+    return FALSE;
+  }
+  *p_n += 1;
+  return TRUE;
+}
+
+static unsigned scan_varint(unsigned len, const uint8_t *data) {
+  unsigned i;
+  if (len > 10) len = 10;
+  for (i = 0; i < len; i++)
+    if ((data[i] & 0x80) == 0) break;
+  if (i == len) return 0;
+  return i + 1;
+}
+
+static protobuf_c_boolean parse_packed_repeated_member(
+    ScannedMember *scanned_member, void *member, ProtobufCMessage *message) {
+  const ProtobufCFieldDescriptor *field = scanned_member->field;
+  size_t *p_n = STRUCT_MEMBER_PTR(size_t, message, field->quantifier_offset);
+  size_t siz = sizeof_elt_in_repeated_array(field->type);
+  void *array = *(char **)member + siz * (*p_n);
+  const uint8_t *at = scanned_member->data + scanned_member->length_prefix_len;
+  size_t rem = scanned_member->len - scanned_member->length_prefix_len;
+  size_t count = 0;
+  unsigned i;
+
+  switch (field->type) {
+    case PROTOBUF_C_TYPE_SFIXED32:
+    case PROTOBUF_C_TYPE_FIXED32:
+    case PROTOBUF_C_TYPE_FLOAT:
+      count = (scanned_member->len - scanned_member->length_prefix_len) / 4;
+#if !defined(WORDS_BIGENDIAN)
+      goto no_unpacking_needed;
+#else
+      for (i = 0; i < count; i++) {
+        ((uint32_t *)array)[i] = parse_fixed_uint32(at);
+        at += 4;
+      }
+      break;
+#endif
+    case PROTOBUF_C_TYPE_SFIXED64:
+    case PROTOBUF_C_TYPE_FIXED64:
+    case PROTOBUF_C_TYPE_DOUBLE:
+      count = (scanned_member->len - scanned_member->length_prefix_len) / 8;
+#if !defined(WORDS_BIGENDIAN)
+      goto no_unpacking_needed;
+#else
+      for (i = 0; i < count; i++) {
+        ((uint64_t *)array)[i] = parse_fixed_uint64(at);
+        at += 8;
+      }
+      break;
+#endif
+    case PROTOBUF_C_TYPE_ENUM:
+    case PROTOBUF_C_TYPE_INT32:
+      while (rem > 0) {
+        unsigned s = scan_varint(rem, at);
+        if (s == 0) {
+          PROTOBUF_C_UNPACK_ERROR("bad packed-repeated int32 value");
+          return FALSE;
+        }
+        ((int32_t *)array)[count++] = parse_int32(s, at);
+        at += s;
+        rem -= s;
+      }
+      break;
+    case PROTOBUF_C_TYPE_SINT32:
+      while (rem > 0) {
+        unsigned s = scan_varint(rem, at);
+        if (s == 0) {
+          PROTOBUF_C_UNPACK_ERROR("bad packed-repeated sint32 value");
+          return FALSE;
+        }
+        ((int32_t *)array)[count++] = unzigzag32(parse_uint32(s, at));
+        at += s;
+        rem -= s;
+      }
+      break;
+    case PROTOBUF_C_TYPE_UINT32:
+      while (rem > 0) {
+        unsigned s = scan_varint(rem, at);
+        if (s == 0) {
+          PROTOBUF_C_UNPACK_ERROR("bad packed-repeated enum or uint32 value");
+          return FALSE;
+        }
+        ((uint32_t *)array)[count++] = parse_uint32(s, at);
+        at += s;
+        rem -= s;
+      }
+      break;
+
+    case PROTOBUF_C_TYPE_SINT64:
+      while (rem > 0) {
+        unsigned s = scan_varint(rem, at);
+        if (s == 0) {
+          PROTOBUF_C_UNPACK_ERROR("bad packed-repeated sint64 value");
+          return FALSE;
+        }
+        ((int64_t *)array)[count++] = unzigzag64(parse_uint64(s, at));
+        at += s;
+        rem -= s;
+      }
+      break;
+    case PROTOBUF_C_TYPE_INT64:
+    case PROTOBUF_C_TYPE_UINT64:
+      while (rem > 0) {
+        unsigned s = scan_varint(rem, at);
+        if (s == 0) {
+          PROTOBUF_C_UNPACK_ERROR("bad packed-repeated int64/uint64 value");
+          return FALSE;
+        }
+        ((int64_t *)array)[count++] = parse_uint64(s, at);
+        at += s;
+        rem -= s;
+      }
+      break;
+    case PROTOBUF_C_TYPE_BOOL:
+      count = rem;
+      for (i = 0; i < count; i++) {
+        if (at[i] > 1) {
+          PROTOBUF_C_UNPACK_ERROR("bad packed-repeated boolean value");
+          return FALSE;
+        }
+        ((protobuf_c_boolean *)array)[i] = at[i];
+      }
+      break;
+    default:
+      PROTOBUF_C__ASSERT_NOT_REACHED();
+  }
+  *p_n += count;
+  return TRUE;
+
+#if !defined(WORDS_BIGENDIAN)
+no_unpacking_needed:
+  memcpy(array, at, count * siz);
+  *p_n += count;
+  return TRUE;
+#endif
+}
+
+static protobuf_c_boolean is_packable_type(ProtobufCType type) {
+  return type != PROTOBUF_C_TYPE_STRING && type != PROTOBUF_C_TYPE_BYTES &&
+         type != PROTOBUF_C_TYPE_MESSAGE;
+}
+
+static protobuf_c_boolean parse_member(ScannedMember *scanned_member,
+                                       ProtobufCMessage *message,
+                                       ProtobufCAllocator *allocator) {
+  const ProtobufCFieldDescriptor *field = scanned_member->field;
+  void *member;
+
+  if (field == NULL) {
+    ProtobufCMessageUnknownField *ufield =
+        message->unknown_fields + (message->n_unknown_fields++);
+    ufield->tag = scanned_member->tag;
+    ufield->wire_type = scanned_member->wire_type;
+    ufield->len = scanned_member->len;
+    ufield->data = do_alloc(allocator, scanned_member->len);
+    if (ufield->data == NULL) return FALSE;
+    memcpy(ufield->data, scanned_member->data, ufield->len);
+    return TRUE;
+  }
+  member = (char *)message + field->offset;
+  switch (field->label) {
+    case PROTOBUF_C_LABEL_REQUIRED:
+      return parse_required_member(scanned_member, member, allocator, TRUE);
+    case PROTOBUF_C_LABEL_OPTIONAL:
+    case PROTOBUF_C_LABEL_NONE:
+      if (0 != (field->flags & PROTOBUF_C_FIELD_FLAG_ONEOF)) {
+        return parse_oneof_member(scanned_member, member, message, allocator);
+      } else {
+        return parse_optional_member(scanned_member, member, message,
+                                     allocator);
+      }
+    case PROTOBUF_C_LABEL_REPEATED:
+      if (scanned_member->wire_type == PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED &&
+          (0 != (field->flags & PROTOBUF_C_FIELD_FLAG_PACKED) ||
+           is_packable_type(field->type))) {
+        return parse_packed_repeated_member(scanned_member, member, message);
+      } else {
+        return parse_repeated_member(scanned_member, member, message,
+                                     allocator);
+      }
+  }
+  PROTOBUF_C__ASSERT_NOT_REACHED();
+  return 0;
+}
+
+/**
+ * Initialise messages generated by old code.
+ *
+ * This function is used if desc->message_init == NULL (which occurs
+ * for old code, and which would be useful to support allocating
+ * descriptors dynamically).
+ */
+static void message_init_generic(const ProtobufCMessageDescriptor *desc,
+                                 ProtobufCMessage *message) {
+  unsigned i;
+
+  memset(message, 0, desc->sizeof_message);
+  message->descriptor = desc;
+  for (i = 0; i < desc->n_fields; i++) {
+    if (desc->fields[i].default_value != NULL &&
+        desc->fields[i].label != PROTOBUF_C_LABEL_REPEATED) {
+      void *field = STRUCT_MEMBER_P(message, desc->fields[i].offset);
+      const void *dv = desc->fields[i].default_value;
+
+      switch (desc->fields[i].type) {
+        case PROTOBUF_C_TYPE_INT32:
+        case PROTOBUF_C_TYPE_SINT32:
+        case PROTOBUF_C_TYPE_SFIXED32:
+        case PROTOBUF_C_TYPE_UINT32:
+        case PROTOBUF_C_TYPE_FIXED32:
+        case PROTOBUF_C_TYPE_FLOAT:
+        case PROTOBUF_C_TYPE_ENUM:
+          memcpy(field, dv, 4);
+          break;
+        case PROTOBUF_C_TYPE_INT64:
+        case PROTOBUF_C_TYPE_SINT64:
+        case PROTOBUF_C_TYPE_SFIXED64:
+        case PROTOBUF_C_TYPE_UINT64:
+        case PROTOBUF_C_TYPE_FIXED64:
+        case PROTOBUF_C_TYPE_DOUBLE:
+          memcpy(field, dv, 8);
+          break;
+        case PROTOBUF_C_TYPE_BOOL:
+          memcpy(field, dv, sizeof(protobuf_c_boolean));
+          break;
+        case PROTOBUF_C_TYPE_BYTES:
+          memcpy(field, dv, sizeof(ProtobufCBinaryData));
+          break;
+
+        case PROTOBUF_C_TYPE_STRING:
+        case PROTOBUF_C_TYPE_MESSAGE:
+          /*
+           * The next line essentially implements a cast
+           * from const, which is totally unavoidable.
+           */
+          *(const void **)field = dv;
+          break;
+      }
+    }
+  }
+}
+
+/**@}*/
+
+/*
+ * ScannedMember slabs (an unpacking implementation detail). Before doing real
+ * unpacking, we first scan through the elements to see how many there are (for
+ * repeated fields), and which field to use (for non-repeated fields given
+ * twice).
+ *
+ * In order to avoid allocations for small messages, we keep a stack-allocated
+ * slab of ScannedMembers of size FIRST_SCANNED_MEMBER_SLAB_SIZE (16). After we
+ * fill that up, we allocate each slab twice as large as the previous one.
+ */
+#define FIRST_SCANNED_MEMBER_SLAB_SIZE_LOG2 4
+
+/*
+ * The number of slabs, including the stack-allocated ones; choose the number so
+ * that we would overflow if we needed a slab larger than provided.
+ */
+#define MAX_SCANNED_MEMBER_SLAB                                      \
+  (sizeof(unsigned int) * 8 - 1 - BOUND_SIZEOF_SCANNED_MEMBER_LOG2 - \
+   FIRST_SCANNED_MEMBER_SLAB_SIZE_LOG2)
+
+#define REQUIRED_FIELD_BITMAP_SET(index) \
+  (required_fields_bitmap[(index) / 8] |= (1UL << ((index) % 8)))
+
+#define REQUIRED_FIELD_BITMAP_IS_SET(index) \
+  (required_fields_bitmap[(index) / 8] & (1UL << ((index) % 8)))
+
+ProtobufCMessage *protobuf_c_message_unpack(
+    const ProtobufCMessageDescriptor *desc, ProtobufCAllocator *allocator,
+    size_t len, const uint8_t *data) {
+  ProtobufCMessage *rv;
+  size_t rem = len;
+  const uint8_t *at = data;
+  const ProtobufCFieldDescriptor *last_field = desc->fields + 0;
+  ScannedMember first_member_slab[1UL << FIRST_SCANNED_MEMBER_SLAB_SIZE_LOG2];
+
+  /*
+   * scanned_member_slabs[i] is an array of arrays of ScannedMember.
+   * The first slab (scanned_member_slabs[0] is just a pointer to
+   * first_member_slab), above. All subsequent slabs will be allocated
+   * using the allocator.
+   */
+  ScannedMember *scanned_member_slabs[MAX_SCANNED_MEMBER_SLAB + 1];
+  unsigned which_slab = 0;    /* the slab we are currently populating */
+  unsigned in_slab_index = 0; /* number of members in the slab */
+  size_t n_unknown = 0;
+  unsigned f;
+  unsigned j;
+  unsigned i_slab;
+  unsigned last_field_index = 0;
+  unsigned required_fields_bitmap_len;
+  unsigned char required_fields_bitmap_stack[16];
+  unsigned char *required_fields_bitmap = required_fields_bitmap_stack;
+  protobuf_c_boolean required_fields_bitmap_alloced = FALSE;
+
+  ASSERT_IS_MESSAGE_DESCRIPTOR(desc);
+
+  if (allocator == NULL) allocator = &protobuf_c__allocator;
+
+  rv = do_alloc(allocator, desc->sizeof_message);
+  if (!rv) return (NULL);
+  scanned_member_slabs[0] = first_member_slab;
+
+  required_fields_bitmap_len = (desc->n_fields + 7) / 8;
+  if (required_fields_bitmap_len > sizeof(required_fields_bitmap_stack)) {
+    required_fields_bitmap = do_alloc(allocator, required_fields_bitmap_len);
+    if (!required_fields_bitmap) {
+      do_free(allocator, rv);
+      return (NULL);
+    }
+    required_fields_bitmap_alloced = TRUE;
+  }
+  memset(required_fields_bitmap, 0, required_fields_bitmap_len);
+
+  /*
+   * Generated code always defines "message_init". However, we provide a
+   * fallback for (1) users of old protobuf-c generated-code that do not
+   * provide the function, and (2) descriptors constructed from some other
+   * source (most likely, direct construction from the .proto file).
+   */
+  if (desc->message_init != NULL)
+    protobuf_c_message_init(desc, rv);
+  else
+    message_init_generic(desc, rv);
+
+  while (rem > 0) {
+    uint32_t tag;
+    ProtobufCWireType wire_type;
+    size_t used = parse_tag_and_wiretype(rem, at, &tag, &wire_type);
+    const ProtobufCFieldDescriptor *field;
+    ScannedMember tmp;
+
+    if (used == 0) {
+      PROTOBUF_C_UNPACK_ERROR("error parsing tag/wiretype at offset %u",
+                              (unsigned)(at - data));
+      goto error_cleanup_during_scan;
+    }
+    /*
+     * \todo Consider optimizing for field[1].id == tag, if field[1]
+     * exists!
+     */
+    if (last_field == NULL || last_field->id != tag) {
+      /* lookup field */
+      int field_index =
+          int_range_lookup(desc->n_field_ranges, desc->field_ranges, tag);
+      if (field_index < 0) {
+        field = NULL;
+        n_unknown++;
+      } else {
+        field = desc->fields + field_index;
+        last_field = field;
+        last_field_index = field_index;
+      }
+    } else {
+      field = last_field;
+    }
+
+    if (field != NULL && field->label == PROTOBUF_C_LABEL_REQUIRED)
+      REQUIRED_FIELD_BITMAP_SET(last_field_index);
+
+    at += used;
+    rem -= used;
+    tmp.tag = tag;
+    tmp.wire_type = wire_type;
+    tmp.field = field;
+    tmp.data = at;
+    tmp.length_prefix_len = 0;
+
+    switch (wire_type) {
+      case PROTOBUF_C_WIRE_TYPE_VARINT: {
+        unsigned max_len = rem < 10 ? rem : 10;
+        unsigned i;
+
+        for (i = 0; i < max_len; i++)
+          if ((at[i] & 0x80) == 0) break;
+        if (i == max_len) {
+          PROTOBUF_C_UNPACK_ERROR("unterminated varint at offset %u",
+                                  (unsigned)(at - data));
+          goto error_cleanup_during_scan;
+        }
+        tmp.len = i + 1;
+        break;
+      }
+      case PROTOBUF_C_WIRE_TYPE_64BIT:
+        if (rem < 8) {
+          PROTOBUF_C_UNPACK_ERROR("too short after 64bit wiretype at offset %u",
+                                  (unsigned)(at - data));
+          goto error_cleanup_during_scan;
+        }
+        tmp.len = 8;
+        break;
+      case PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED: {
+        size_t pref_len;
+
+        tmp.len = scan_length_prefixed_data(rem, at, &pref_len);
+        if (tmp.len == 0) {
+          /* NOTE: scan_length_prefixed_data calls UNPACK_ERROR */
+          goto error_cleanup_during_scan;
+        }
+        tmp.length_prefix_len = pref_len;
+        break;
+      }
+      case PROTOBUF_C_WIRE_TYPE_32BIT:
+        if (rem < 4) {
+          PROTOBUF_C_UNPACK_ERROR("too short after 32bit wiretype at offset %u",
+                                  (unsigned)(at - data));
+          goto error_cleanup_during_scan;
+        }
+        tmp.len = 4;
+        break;
+      default:
+        PROTOBUF_C_UNPACK_ERROR("unsupported tag %u at offset %u", wire_type,
+                                (unsigned)(at - data));
+        goto error_cleanup_during_scan;
+    }
+
+    if (in_slab_index ==
+        (1UL << (which_slab + FIRST_SCANNED_MEMBER_SLAB_SIZE_LOG2))) {
+      size_t size;
+
+      in_slab_index = 0;
+      if (which_slab == MAX_SCANNED_MEMBER_SLAB) {
+        PROTOBUF_C_UNPACK_ERROR("too many fields");
+        goto error_cleanup_during_scan;
+      }
+      which_slab++;
+      size = sizeof(ScannedMember)
+             << (which_slab + FIRST_SCANNED_MEMBER_SLAB_SIZE_LOG2);
+      scanned_member_slabs[which_slab] = do_alloc(allocator, size);
+      if (scanned_member_slabs[which_slab] == NULL)
+        goto error_cleanup_during_scan;
+    }
+    scanned_member_slabs[which_slab][in_slab_index++] = tmp;
+
+    if (field != NULL && field->label == PROTOBUF_C_LABEL_REPEATED) {
+      size_t *n = STRUCT_MEMBER_PTR(size_t, rv, field->quantifier_offset);
+      if (wire_type == PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED &&
+          (0 != (field->flags & PROTOBUF_C_FIELD_FLAG_PACKED) ||
+           is_packable_type(field->type))) {
+        size_t count;
+        if (!count_packed_elements(field->type, tmp.len - tmp.length_prefix_len,
+                                   tmp.data + tmp.length_prefix_len, &count)) {
+          PROTOBUF_C_UNPACK_ERROR("counting packed elements");
+          goto error_cleanup_during_scan;
+        }
+        *n += count;
+      } else {
+        *n += 1;
+      }
+    }
+
+    at += tmp.len;
+    rem -= tmp.len;
+  }
+
+  /* allocate space for repeated fields, also check that all required fields
+   * have been set */
+  for (f = 0; f < desc->n_fields; f++) {
+    const ProtobufCFieldDescriptor *field = desc->fields + f;
+    if (field->label == PROTOBUF_C_LABEL_REPEATED) {
+      size_t siz = sizeof_elt_in_repeated_array(field->type);
+      size_t *n_ptr = STRUCT_MEMBER_PTR(size_t, rv, field->quantifier_offset);
+      if (*n_ptr != 0) {
+        unsigned n = *n_ptr;
+        void *a;
+        *n_ptr = 0;
+        assert(rv->descriptor != NULL);
+#define CLEAR_REMAINING_N_PTRS()                               \
+  for (f++; f < desc->n_fields; f++) {                         \
+    field = desc->fields + f;                                  \
+    if (field->label == PROTOBUF_C_LABEL_REPEATED)             \
+      STRUCT_MEMBER(size_t, rv, field->quantifier_offset) = 0; \
+  }
+        a = do_alloc(allocator, siz * n);
+        if (!a) {
+          CLEAR_REMAINING_N_PTRS();
+          goto error_cleanup;
+        }
+        STRUCT_MEMBER(void *, rv, field->offset) = a;
+      }
+    } else if (field->label == PROTOBUF_C_LABEL_REQUIRED) {
+      if (field->default_value == NULL && !REQUIRED_FIELD_BITMAP_IS_SET(f)) {
+        CLEAR_REMAINING_N_PTRS();
+        PROTOBUF_C_UNPACK_ERROR("message '%s': missing required field '%s'",
+                                desc->name, field->name);
+        goto error_cleanup;
+      }
+    }
+  }
+#undef CLEAR_REMAINING_N_PTRS
+
+  /* allocate space for unknown fields */
+  if (n_unknown) {
+    rv->unknown_fields =
+        do_alloc(allocator, n_unknown * sizeof(ProtobufCMessageUnknownField));
+    if (rv->unknown_fields == NULL) goto error_cleanup;
+  }
+
+  /* do real parsing */
+  for (i_slab = 0; i_slab <= which_slab; i_slab++) {
+    unsigned max =
+        (i_slab == which_slab) ? in_slab_index : (1UL << (i_slab + 4));
+    ScannedMember *slab = scanned_member_slabs[i_slab];
+
+    for (j = 0; j < max; j++) {
+      if (!parse_member(slab + j, rv, allocator)) {
+        PROTOBUF_C_UNPACK_ERROR(
+            "error parsing member %s of %s",
+            slab->field ? slab->field->name : "*unknown-field*", desc->name);
+        goto error_cleanup;
+      }
+    }
+  }
+
+  /* cleanup */
+  for (j = 1; j <= which_slab; j++) do_free(allocator, scanned_member_slabs[j]);
+  if (required_fields_bitmap_alloced)
+    do_free(allocator, required_fields_bitmap);
+  return rv;
+
+error_cleanup:
+  protobuf_c_message_free_unpacked(rv, allocator);
+  for (j = 1; j <= which_slab; j++) do_free(allocator, scanned_member_slabs[j]);
+  if (required_fields_bitmap_alloced)
+    do_free(allocator, required_fields_bitmap);
+  return NULL;
+
+error_cleanup_during_scan:
+  do_free(allocator, rv);
+  for (j = 1; j <= which_slab; j++) do_free(allocator, scanned_member_slabs[j]);
+  if (required_fields_bitmap_alloced)
+    do_free(allocator, required_fields_bitmap);
+  return NULL;
+}
+
+void protobuf_c_message_free_unpacked(ProtobufCMessage *message,
+                                      ProtobufCAllocator *allocator) {
+  const ProtobufCMessageDescriptor *desc;
+  unsigned f;
+
+  if (message == NULL) return;
+
+  desc = message->descriptor;
+
+  ASSERT_IS_MESSAGE(message);
+
+  if (allocator == NULL) allocator = &protobuf_c__allocator;
+  message->descriptor = NULL;
+  for (f = 0; f < desc->n_fields; f++) {
+    if (0 != (desc->fields[f].flags & PROTOBUF_C_FIELD_FLAG_ONEOF) &&
+        desc->fields[f].id !=
+            STRUCT_MEMBER(uint32_t, message,
+                          desc->fields[f].quantifier_offset)) {
+      /* This is not the selected oneof, skip it */
+      continue;
+    }
+
+    if (desc->fields[f].label == PROTOBUF_C_LABEL_REPEATED) {
+      size_t n =
+          STRUCT_MEMBER(size_t, message, desc->fields[f].quantifier_offset);
+      void *arr = STRUCT_MEMBER(void *, message, desc->fields[f].offset);
+
+      if (arr != NULL) {
+        if (desc->fields[f].type == PROTOBUF_C_TYPE_STRING) {
+          unsigned i;
+          for (i = 0; i < n; i++) do_free(allocator, ((char **)arr)[i]);
+        } else if (desc->fields[f].type == PROTOBUF_C_TYPE_BYTES) {
+          unsigned i;
+          for (i = 0; i < n; i++)
+            do_free(allocator, ((ProtobufCBinaryData *)arr)[i].data);
+        } else if (desc->fields[f].type == PROTOBUF_C_TYPE_MESSAGE) {
+          unsigned i;
+          for (i = 0; i < n; i++)
+            protobuf_c_message_free_unpacked(((ProtobufCMessage **)arr)[i],
+                                             allocator);
+        }
+        do_free(allocator, arr);
+      }
+    } else if (desc->fields[f].type == PROTOBUF_C_TYPE_STRING) {
+      char *str = STRUCT_MEMBER(char *, message, desc->fields[f].offset);
+
+      if (str && str != desc->fields[f].default_value) do_free(allocator, str);
+    } else if (desc->fields[f].type == PROTOBUF_C_TYPE_BYTES) {
+      void *data =
+          STRUCT_MEMBER(ProtobufCBinaryData, message, desc->fields[f].offset)
+              .data;
+      const ProtobufCBinaryData *default_bd;
+
+      default_bd = desc->fields[f].default_value;
+      if (data != NULL && (default_bd == NULL || default_bd->data != data)) {
+        do_free(allocator, data);
+      }
+    } else if (desc->fields[f].type == PROTOBUF_C_TYPE_MESSAGE) {
+      ProtobufCMessage *sm;
+
+      sm = STRUCT_MEMBER(ProtobufCMessage *, message, desc->fields[f].offset);
+      if (sm && sm != desc->fields[f].default_value)
+        protobuf_c_message_free_unpacked(sm, allocator);
+    }
+  }
+
+  for (f = 0; f < message->n_unknown_fields; f++)
+    do_free(allocator, message->unknown_fields[f].data);
+  if (message->unknown_fields != NULL)
+    do_free(allocator, message->unknown_fields);
+
+  do_free(allocator, message);
+}
+
+void protobuf_c_message_init(const ProtobufCMessageDescriptor *descriptor,
+                             void *message) {
+  descriptor->message_init((ProtobufCMessage *)(message));
+}
+
+protobuf_c_boolean protobuf_c_message_check(const ProtobufCMessage *message) {
+  unsigned i;
+
+  if (!message || !message->descriptor ||
+      message->descriptor->magic != PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC) {
+    return FALSE;
+  }
+
+  for (i = 0; i < message->descriptor->n_fields; i++) {
+    const ProtobufCFieldDescriptor *f = message->descriptor->fields + i;
+    ProtobufCType type = f->type;
+    ProtobufCLabel label = f->label;
+    void *field = STRUCT_MEMBER_P(message, f->offset);
+
+    if (label == PROTOBUF_C_LABEL_REPEATED) {
+      size_t *quantity = STRUCT_MEMBER_P(message, f->quantifier_offset);
+
+      if (*quantity > 0 && *(void **)field == NULL) {
+        return FALSE;
+      }
+
+      if (type == PROTOBUF_C_TYPE_MESSAGE) {
+        ProtobufCMessage **submessage = *(ProtobufCMessage ***)field;
+        unsigned j;
+        for (j = 0; j < *quantity; j++) {
+          if (!protobuf_c_message_check(submessage[j])) return FALSE;
+        }
+      } else if (type == PROTOBUF_C_TYPE_STRING) {
+        char **string = *(char ***)field;
+        unsigned j;
+        for (j = 0; j < *quantity; j++) {
+          if (!string[j]) return FALSE;
+        }
+      } else if (type == PROTOBUF_C_TYPE_BYTES) {
+        ProtobufCBinaryData *bd = *(ProtobufCBinaryData **)field;
+        unsigned j;
+        for (j = 0; j < *quantity; j++) {
+          if (bd[j].len > 0 && bd[j].data == NULL) return FALSE;
+        }
+      }
+
+    } else { /* PROTOBUF_C_LABEL_REQUIRED or PROTOBUF_C_LABEL_OPTIONAL */
+
+      if (type == PROTOBUF_C_TYPE_MESSAGE) {
+        ProtobufCMessage *submessage = *(ProtobufCMessage **)field;
+        if (label == PROTOBUF_C_LABEL_REQUIRED || submessage != NULL) {
+          if (!protobuf_c_message_check(submessage)) return FALSE;
+        }
+      } else if (type == PROTOBUF_C_TYPE_STRING) {
+        char *string = *(char **)field;
+        if (label == PROTOBUF_C_LABEL_REQUIRED && string == NULL) return FALSE;
+      } else if (type == PROTOBUF_C_TYPE_BYTES) {
+        protobuf_c_boolean *has =
+            STRUCT_MEMBER_P(message, f->quantifier_offset);
+        ProtobufCBinaryData *bd = field;
+        if (label == PROTOBUF_C_LABEL_REQUIRED || *has == TRUE) {
+          if (bd->len > 0 && bd->data == NULL) return FALSE;
+        }
+      }
+    }
+  }
+
+  return TRUE;
+}
+
+/* === services === */
+
+typedef void (*GenericHandler)(void *service, const ProtobufCMessage *input,
+                               ProtobufCClosure closure, void *closure_data);

tools/quantification/src/protobuf-c.h

+/*
+ * Copyright (c) 2008-2017, Dave Benson and the protobuf-c authors.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*! \file
+ * \mainpage Introduction
+ *
+ * This is [protobuf-c], a C implementation of [Protocol Buffers].
+ *
+ * This file defines the public API for the `libprotobuf-c` support library.
+ * This API includes interfaces that can be used directly by client code as well
+ * as the interfaces used by the code generated by the `protoc-c` compiler.
+ *
+ * The `libprotobuf-c` support library performs the actual serialization and
+ * deserialization of Protocol Buffers messages. It interacts with structures,
+ * definitions, and metadata generated by the `protoc-c` compiler from .proto
+ * files.
+ *
+ * \authors Dave Benson and the `protobuf-c` authors.
+ *
+ * \copyright 2008-2014. Licensed under the terms of the [BSD-2-Clause] license.
+ *
+ * [protobuf-c]:       https://github.com/protobuf-c/protobuf-c
+ * [Protocol Buffers]: https://developers.google.com/protocol-buffers/
+ * [BSD-2-Clause]:     http://opensource.org/licenses/BSD-2-Clause
+ *
+ * \page gencode Generated Code
+ *
+ * For each enum, we generate a C enum. For each message, we generate a C
+ * structure which can be cast to a `ProtobufCMessage`.
+ *
+ * For each enum and message, we generate a descriptor object that allows us to
+ * implement a kind of reflection on the structures.
+ *
+ * First, some naming conventions:
+ *
+ * - The name of the type for enums and messages and services is camel case
+ *   (meaning WordsAreCrammedTogether) except that double underscores are used
+ *   to delimit scopes. For example, the following `.proto` file:
+ *
+~~~{.proto}
+        package foo.bar;
+        message BazBah {
+            optional int32 val = 1;
+        }
+~~~
+ *
+ * would generate a C type `Foo__Bar__BazBah`.
+ *
+ * - Identifiers for functions and globals are all lowercase, with camel case
+ *   words separated by single underscores. For example, one of the function
+ *   prototypes generated by `protoc-c` for the above example:
+ *
+~~~{.c}
+Foo__Bar__BazBah *
+       foo__bar__baz_bah__unpack
+                     (ProtobufCAllocator  *allocator,
+                      size_t               len,
+                      const uint8_t       *data);
+~~~
+ *
+ * - Identifiers for enum values contain an uppercase prefix which embeds the
+ *   package name and the enum type name.
+ *
+ * - A double underscore is used to separate further components of identifier
+ *   names.
+ *
+ * For example, in the name of the unpack function above, the package name
+ * `foo.bar` has become `foo__bar`, the message name BazBah has become
+ * `baz_bah`, and the method name is `unpack`. These are all joined with double
+ * underscores to form the C identifier `foo__bar__baz_bah__unpack`.
+ *
+ * We also generate descriptor objects for messages and enums. These are
+ * declared in the `.pb-c.h` files:
+ *
+~~~{.c}
+extern const ProtobufCMessageDescriptor foo__bar__baz_bah__descriptor;
+~~~
+ *
+ * The message structures all begin with `ProtobufCMessageDescriptor *` which is
+ * sufficient to allow them to be cast to `ProtobufCMessage`.
+ *
+ * For each message defined in a `.proto` file, we generate a number of
+ * functions and macros. Each function name contains a prefix based on the
+ * package name and message name in order to make it a unique C identifier.
+ *
+ * - `INIT`. Statically initializes a message object, initializing its
+ *   descriptor and setting its fields to default values. Uninitialized
+ *   messages cannot be processed by the protobuf-c library.
+ *
+~~~{.c}
+#define FOO__BAR__BAZ_BAH__INIT \
+ { PROTOBUF_C_MESSAGE_INIT (&foo__bar__baz_bah__descriptor), 0 }
+~~~
+ * - `init()`. Initializes a message object, initializing its descriptor and
+ *   setting its fields to default values. Uninitialized messages cannot be
+ *   processed by the protobuf-c library.
+ *
+~~~{.c}
+void foo__bar__baz_bah__init
+                     (Foo__Bar__BazBah *message);
+~~~
+ * - `unpack()`. Unpacks data for a particular message format. Note that the
+ *   `allocator` parameter is usually `NULL` to indicate that the system's
+ *   `malloc()` and `free()` functions should be used for dynamically allocating
+ *   memory.
+ *
+~~~{.c}
+Foo__Bar__BazBah *
+       foo__bar__baz_bah__unpack
+                     (ProtobufCAllocator  *allocator,
+                      size_t               len,
+                      const uint8_t       *data);
+~~~
+ *
+ * - `free_unpacked()`. Frees a message object obtained with the `unpack()`
+ *   method. Freeing `NULL` is allowed (the same as with `free()`).
+ *
+~~~{.c}
+void   foo__bar__baz_bah__free_unpacked
+                     (Foo__Bar__BazBah *message,
+                      ProtobufCAllocator *allocator);
+~~~
+ *
+ * - `get_packed_size()`. Calculates the length in bytes of the serialized
+ *   representation of the message object.
+ *
+~~~{.c}
+size_t foo__bar__baz_bah__get_packed_size
+                     (const Foo__Bar__BazBah   *message);
+~~~
+ *
+ * - `pack()`. Pack a message object into a preallocated buffer. Assumes that
+ *   the buffer is large enough. (Use `get_packed_size()` first.)
+ *
+~~~{.c}
+size_t foo__bar__baz_bah__pack
+                     (const Foo__Bar__BazBah   *message,
+                      uint8_t             *out);
+~~~
+ *
+ * - `pack_to_buffer()`. Packs a message into a "virtual buffer". This is an
+ *   object which defines an "append bytes" callback to consume data as it is
+ *   serialized.
+ *
+~~~{.c}
+size_t foo__bar__baz_bah__pack_to_buffer
+                     (const Foo__Bar__BazBah   *message,
+                      ProtobufCBuffer     *buffer);
+~~~
+ *
+ * \page pack Packing and unpacking messages
+ *
+ * To pack a message, first compute the packed size of the message with
+ * protobuf_c_message_get_packed_size(), then allocate a buffer of at least
+ * that size, then call protobuf_c_message_pack().
+ *
+ * Alternatively, a message can be serialized without calculating the final size
+ * first. Use the protobuf_c_message_pack_to_buffer() function and provide a
+ * ProtobufCBuffer object which implements an "append" method that consumes
+ * data.
+ *
+ * To unpack a message, call the protobuf_c_message_unpack() function. The
+ * result can be cast to an object of the type that matches the descriptor for
+ * the message.
+ *
+ * The result of unpacking a message should be freed with
+ * protobuf_c_message_free_unpacked().
+ */
+
+#ifndef PROTOBUF_C_H
+#define PROTOBUF_C_H
+
+#include <assert.h>
+#include <limits.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+#define PROTOBUF_C__BEGIN_DECLS extern "C" {
+#define PROTOBUF_C__END_DECLS }
+#else
+#define PROTOBUF_C__BEGIN_DECLS
+#define PROTOBUF_C__END_DECLS
+#endif
+
+PROTOBUF_C__BEGIN_DECLS
+
+#if defined(_WIN32) && defined(PROTOBUF_C_USE_SHARED_LIB)
+#ifdef PROTOBUF_C_EXPORT
+#define PROTOBUF_C__API __declspec(dllexport)
+#else
+#define PROTOBUF_C__API __declspec(dllimport)
+#endif
+#else
+#define PROTOBUF_C__API
+#endif
+
+#if !defined(PROTOBUF_C__NO_DEPRECATED) && \
+    ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1))
+#define PROTOBUF_C__DEPRECATED __attribute__((__deprecated__))
+#else
+#define PROTOBUF_C__DEPRECATED
+#endif
+
+#ifndef PROTOBUF_C__FORCE_ENUM_TO_BE_INT_SIZE
+#define PROTOBUF_C__FORCE_ENUM_TO_BE_INT_SIZE(enum_name) \
+  , _##enum_name##_IS_INT_SIZE = INT_MAX
+#endif
+
+#define PROTOBUF_C__SERVICE_DESCRIPTOR_MAGIC 0x14159bc3
+#define PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC 0x28aaeef9
+#define PROTOBUF_C__ENUM_DESCRIPTOR_MAGIC 0x114315af
+
+/* Empty string used for initializers */
+extern const char protobuf_c_empty_string[];
+
+/**
+ * \defgroup api Public API
+ *
+ * This is the public API for `libprotobuf-c`. These interfaces are stable and
+ * subject to Semantic Versioning guarantees.
+ *
+ * @{
+ */
+
+/**
+ * Values for the `flags` word in `ProtobufCFieldDescriptor`.
+ */
+typedef enum {
+  /** Set if the field is repeated and marked with the `packed` option. */
+  PROTOBUF_C_FIELD_FLAG_PACKED = (1 << 0),
+
+  /** Set if the field is marked with the `deprecated` option. */
+  PROTOBUF_C_FIELD_FLAG_DEPRECATED = (1 << 1),
+
+  /** Set if the field is a member of a oneof (union). */
+  PROTOBUF_C_FIELD_FLAG_ONEOF = (1 << 2),
+} ProtobufCFieldFlag;
+
+/**
+ * Message field rules.
+ *
+ * \see [Defining A Message Type] in the Protocol Buffers documentation.
+ *
+ * [Defining A Message Type]:
+ *      https://developers.google.com/protocol-buffers/docs/proto#simple
+ */
+typedef enum {
+  /** A well-formed message must have exactly one of this field. */
+  PROTOBUF_C_LABEL_REQUIRED,
+
+  /**
+   * A well-formed message can have zero or one of this field (but not
+   * more than one).
+   */
+  PROTOBUF_C_LABEL_OPTIONAL,
+
+  /**
+   * This field can be repeated any number of times (including zero) in a
+   * well-formed message. The order of the repeated values will be
+   * preserved.
+   */
+  PROTOBUF_C_LABEL_REPEATED,
+
+  /**
+   * This field has no label. This is valid only in proto3 and is
+   * equivalent to OPTIONAL but no "has" quantifier will be consulted.
+   */
+  PROTOBUF_C_LABEL_NONE,
+} ProtobufCLabel;
+
+/**
+ * Field value types.
+ *
+ * \see [Scalar Value Types] in the Protocol Buffers documentation.
+ *
+ * [Scalar Value Types]:
+ *      https://developers.google.com/protocol-buffers/docs/proto#scalar
+ */
+typedef enum {
+  PROTOBUF_C_TYPE_INT32,    /**< int32 */
+  PROTOBUF_C_TYPE_SINT32,   /**< signed int32 */
+  PROTOBUF_C_TYPE_SFIXED32, /**< signed int32 (4 bytes) */
+  PROTOBUF_C_TYPE_INT64,    /**< int64 */
+  PROTOBUF_C_TYPE_SINT64,   /**< signed int64 */
+  PROTOBUF_C_TYPE_SFIXED64, /**< signed int64 (8 bytes) */
+  PROTOBUF_C_TYPE_UINT32,   /**< unsigned int32 */
+  PROTOBUF_C_TYPE_FIXED32,  /**< unsigned int32 (4 bytes) */
+  PROTOBUF_C_TYPE_UINT64,   /**< unsigned int64 */
+  PROTOBUF_C_TYPE_FIXED64,  /**< unsigned int64 (8 bytes) */
+  PROTOBUF_C_TYPE_FLOAT,    /**< float */
+  PROTOBUF_C_TYPE_DOUBLE,   /**< double */
+  PROTOBUF_C_TYPE_BOOL,     /**< boolean */
+  PROTOBUF_C_TYPE_ENUM,     /**< enumerated type */
+  PROTOBUF_C_TYPE_STRING,   /**< UTF-8 or ASCII string */
+  PROTOBUF_C_TYPE_BYTES,    /**< arbitrary byte sequence */
+  PROTOBUF_C_TYPE_MESSAGE,  /**< nested message */
+} ProtobufCType;
+
+/**
+ * Field wire types.
+ *
+ * \see [Message Structure] in the Protocol Buffers documentation.
+ *
+ * [Message Structure]:
+ *      https://developers.google.com/protocol-buffers/docs/encoding#structure
+ */
+typedef enum {
+  PROTOBUF_C_WIRE_TYPE_VARINT = 0,
+  PROTOBUF_C_WIRE_TYPE_64BIT = 1,
+  PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED = 2,
+  /* "Start group" and "end group" wire types are unsupported. */
+  PROTOBUF_C_WIRE_TYPE_32BIT = 5,
+} ProtobufCWireType;
+
+struct ProtobufCAllocator;
+struct ProtobufCBinaryData;
+struct ProtobufCBuffer;
+struct ProtobufCBufferSimple;
+struct ProtobufCEnumDescriptor;
+struct ProtobufCEnumValue;
+struct ProtobufCEnumValueIndex;
+struct ProtobufCFieldDescriptor;
+struct ProtobufCIntRange;
+struct ProtobufCMessage;
+struct ProtobufCMessageDescriptor;
+struct ProtobufCMessageUnknownField;
+struct ProtobufCMethodDescriptor;
+struct ProtobufCService;
+struct ProtobufCServiceDescriptor;
+
+typedef struct ProtobufCAllocator ProtobufCAllocator;
+typedef struct ProtobufCBinaryData ProtobufCBinaryData;
+typedef struct ProtobufCBuffer ProtobufCBuffer;
+typedef struct ProtobufCBufferSimple ProtobufCBufferSimple;
+typedef struct ProtobufCEnumDescriptor ProtobufCEnumDescriptor;
+typedef struct ProtobufCEnumValue ProtobufCEnumValue;
+typedef struct ProtobufCEnumValueIndex ProtobufCEnumValueIndex;
+typedef struct ProtobufCFieldDescriptor ProtobufCFieldDescriptor;
+typedef struct ProtobufCIntRange ProtobufCIntRange;
+typedef struct ProtobufCMessage ProtobufCMessage;
+typedef struct ProtobufCMessageDescriptor ProtobufCMessageDescriptor;
+typedef struct ProtobufCMessageUnknownField ProtobufCMessageUnknownField;
+typedef struct ProtobufCMethodDescriptor ProtobufCMethodDescriptor;
+typedef struct ProtobufCService ProtobufCService;
+typedef struct ProtobufCServiceDescriptor ProtobufCServiceDescriptor;
+
+/** Boolean type. */
+typedef int protobuf_c_boolean;
+
+typedef void (*ProtobufCClosure)(const ProtobufCMessage *, void *closure_data);
+typedef void (*ProtobufCMessageInit)(ProtobufCMessage *);
+typedef void (*ProtobufCServiceDestroy)(ProtobufCService *);
+
+/**
+ * Structure for defining a custom memory allocator.
+ */
+struct ProtobufCAllocator {
+  /** Function to allocate memory. */
+  void *(*alloc)(void *allocator_data, size_t size);
+
+  /** Function to free memory. */
+  void (*free)(void *allocator_data, void *pointer);
+
+  /** Opaque pointer passed to `alloc` and `free` functions. */
+  void *allocator_data;
+};
+
+/**
+ * Structure for the protobuf `bytes` scalar type.
+ *
+ * The data contained in a `ProtobufCBinaryData` is an arbitrary sequence of
+ * bytes. It may contain embedded `NUL` characters and is not required to be
+ * `NUL`-terminated.
+ */
+struct ProtobufCBinaryData {
+  size_t len;    /**< Number of bytes in the `data` field. */
+  uint8_t *data; /**< Data bytes. */
+};
+
+/**
+ * Structure for defining a virtual append-only buffer. Used by
+ * protobuf_c_message_pack_to_buffer() to abstract the consumption of serialized
+ * bytes.
+ *
+ * `ProtobufCBuffer` "subclasses" may be defined on the stack. For example, to
+ * write to a `FILE` object:
+ *
+~~~{.c}
+typedef struct {
+        ProtobufCBuffer base;
+        FILE *fp;
+} BufferAppendToFile;
+
+static void
+my_buffer_file_append(ProtobufCBuffer *buffer,
+                      size_t len,
+                      const uint8_t *data)
+{
+        BufferAppendToFile *file_buf = (BufferAppendToFile *) buffer;
+        fwrite(data, len, 1, file_buf->fp); // XXX: No error handling!
+}
+~~~
+ *
+ * To use this new type of ProtobufCBuffer, it could be called as follows:
+ *
+~~~{.c}
+...
+BufferAppendToFile tmp = {0};
+tmp.base.append = my_buffer_file_append;
+tmp.fp = fp;
+protobuf_c_message_pack_to_buffer(&message, &tmp);
+...
+~~~
+ */
+struct ProtobufCBuffer {
+  /** Append function. Consumes the `len` bytes stored at `data`. */
+  void (*append)(ProtobufCBuffer *buffer, size_t len, const uint8_t *data);
+};
+
+/**
+ * Simple buffer "subclass" of `ProtobufCBuffer`.
+ *
+ * A `ProtobufCBufferSimple` object is declared on the stack and uses a
+ * scratch buffer provided by the user for the initial allocation. It performs
+ * exponential resizing, using dynamically allocated memory. A
+ * `ProtobufCBufferSimple` object can be created and used as follows:
+ *
+~~~{.c}
+uint8_t pad[128];
+ProtobufCBufferSimple simple = PROTOBUF_C_BUFFER_SIMPLE_INIT(pad);
+ProtobufCBuffer *buffer = (ProtobufCBuffer *) &simple;
+~~~
+ *
+ * `buffer` can now be used with `protobuf_c_message_pack_to_buffer()`. Once a
+ * message has been serialized to a `ProtobufCBufferSimple` object, the
+ * serialized data bytes can be accessed from the `.data` field.
+ *
+ * To free the memory allocated by a `ProtobufCBufferSimple` object, if any,
+ * call PROTOBUF_C_BUFFER_SIMPLE_CLEAR() on the object, for example:
+ *
+~~~{.c}
+PROTOBUF_C_BUFFER_SIMPLE_CLEAR(&simple);
+~~~
+ *
+ * \see PROTOBUF_C_BUFFER_SIMPLE_INIT
+ * \see PROTOBUF_C_BUFFER_SIMPLE_CLEAR
+ */
+struct ProtobufCBufferSimple {
+  /** "Base class". */
+  ProtobufCBuffer base;
+  /** Number of bytes allocated in `data`. */
+  size_t alloced;
+  /** Number of bytes currently stored in `data`. */
+  size_t len;
+  /** Data bytes. */
+  uint8_t *data;
+  /** Whether `data` must be freed. */
+  protobuf_c_boolean must_free_data;
+  /** Allocator to use. May be NULL to indicate the system allocator. */
+  ProtobufCAllocator *allocator;
+};
+
+/**
+ * Describes an enumeration as a whole, with all of its values.
+ */
+struct ProtobufCEnumDescriptor {
+  /** Magic value checked to ensure that the API is used correctly. */
+  uint32_t magic;
+
+  /** The qualified name (e.g., "namespace.Type"). */
+  const char *name;
+  /** The unqualified name as given in the .proto file (e.g., "Type"). */
+  const char *short_name;
+  /** Identifier used in generated C code. */
+  const char *c_name;
+  /** The dot-separated namespace. */
+  const char *package_name;
+
+  /** Number elements in `values`. */
+  unsigned n_values;
+  /** Array of distinct values, sorted by numeric value. */
+  const ProtobufCEnumValue *values;
+
+  /** Number of elements in `values_by_name`. */
+  unsigned n_value_names;
+  /** Array of named values, including aliases, sorted by name. */
+  const ProtobufCEnumValueIndex *values_by_name;
+
+  /** Number of elements in `value_ranges`. */
+  unsigned n_value_ranges;
+  /** Value ranges, for faster lookups by numeric value. */
+  const ProtobufCIntRange *value_ranges;
+
+  /** Reserved for future use. */
+  void *reserved1;
+  /** Reserved for future use. */
+  void *reserved2;
+  /** Reserved for future use. */
+  void *reserved3;
+  /** Reserved for future use. */
+  void *reserved4;
+};
+
+/**
+ * Represents a single value of an enumeration.
+ */
+struct ProtobufCEnumValue {
+  /** The string identifying this value in the .proto file. */
+  const char *name;
+
+  /** The string identifying this value in generated C code. */
+  const char *c_name;
+
+  /** The numeric value assigned in the .proto file. */
+  int value;
+};
+
+/**
+ * Used by `ProtobufCEnumDescriptor` to look up enum values.
+ */
+struct ProtobufCEnumValueIndex {
+  /** Name of the enum value. */
+  const char *name;
+  /** Index into values[] array. */
+  unsigned index;
+};
+
+/**
+ * Describes a single field in a message.
+ */
+struct ProtobufCFieldDescriptor {
+  /** Name of the field as given in the .proto file. */
+  const char *name;
+
+  /** Tag value of the field as given in the .proto file. */
+  uint32_t id;
+
+  /** Whether the field is `REQUIRED`, `OPTIONAL`, or `REPEATED`. */
+  ProtobufCLabel label;
+
+  /** The type of the field. */
+  ProtobufCType type;
+
+  /**
+   * The offset in bytes of the message's C structure's quantifier field
+   * (the `has_MEMBER` field for optional members or the `n_MEMBER` field
+   * for repeated members or the case enum for oneofs).
+   */
+  unsigned quantifier_offset;
+
+  /**
+   * The offset in bytes into the message's C structure for the member
+   * itself.
+   */
+  unsigned offset;
+
+  /**
+   * A type-specific descriptor.
+   *
+   * If `type` is `PROTOBUF_C_TYPE_ENUM`, then `descriptor` points to the
+   * corresponding `ProtobufCEnumDescriptor`.
+   *
+   * If `type` is `PROTOBUF_C_TYPE_MESSAGE`, then `descriptor` points to
+   * the corresponding `ProtobufCMessageDescriptor`.
+   *
+   * Otherwise this field is NULL.
+   */
+  const void *descriptor; /* for MESSAGE and ENUM types */
+
+  /** The default value for this field, if defined. May be NULL. */
+  const void *default_value;
+
+  /**
+   * A flag word. Zero or more of the bits defined in the
+   * `ProtobufCFieldFlag` enum may be set.
+   */
+  uint32_t flags;
+
+  /** Reserved for future use. */
+  unsigned reserved_flags;
+  /** Reserved for future use. */
+  void *reserved2;
+  /** Reserved for future use. */
+  void *reserved3;
+};
+
+/**
+ * Helper structure for optimizing int => index lookups in the case
+ * where the keys are mostly consecutive values, as they presumably are for
+ * enums and fields.
+ *
+ * The data structures requires that the values in the original array are
+ * sorted.
+ */
+struct ProtobufCIntRange {
+  int start_value;
+  unsigned orig_index;
+  /*
+   * NOTE: the number of values in the range can be inferred by looking
+   * at the next element's orig_index. A dummy element is added to make
+   * this simple.
+   */
+};
+
+/**
+ * An instance of a message.
+ *
+ * `ProtobufCMessage` is a light-weight "base class" for all messages.
+ *
+ * In particular, `ProtobufCMessage` doesn't have any allocation policy
+ * associated with it. That's because it's common to create `ProtobufCMessage`
+ * objects on the stack. In fact, that's what we recommend for sending messages.
+ * If the object is allocated from the stack, you can't really have a memory
+ * leak.
+ *
+ * This means that calls to functions like protobuf_c_message_unpack() which
+ * return a `ProtobufCMessage` must be paired with a call to a free function,
+ * like protobuf_c_message_free_unpacked().
+ */
+struct ProtobufCMessage {
+  /** The descriptor for this message type. */
+  const ProtobufCMessageDescriptor *descriptor;
+  /** The number of elements in `unknown_fields`. */
+  unsigned n_unknown_fields;
+  /** The fields that weren't recognized by the parser. */
+  ProtobufCMessageUnknownField *unknown_fields;
+};
+
+/**
+ * Describes a message.
+ */
+struct ProtobufCMessageDescriptor {
+  /** Magic value checked to ensure that the API is used correctly. */
+  uint32_t magic;
+
+  /** The qualified name (e.g., "namespace.Type"). */
+  const char *name;
+  /** The unqualified name as given in the .proto file (e.g., "Type"). */
+  const char *short_name;
+  /** Identifier used in generated C code. */
+  const char *c_name;
+  /** The dot-separated namespace. */
+  const char *package_name;
+
+  /**
+   * Size in bytes of the C structure representing an instance of this
+   * type of message.
+   */
+  size_t sizeof_message;
+
+  /** Number of elements in `fields`. */
+  unsigned n_fields;
+  /** Field descriptors, sorted by tag number. */
+  const ProtobufCFieldDescriptor *fields;
+  /** Used for looking up fields by name. */
+  const unsigned *fields_sorted_by_name;
+
+  /** Number of elements in `field_ranges`. */
+  unsigned n_field_ranges;
+  /** Used for looking up fields by id. */
+  const ProtobufCIntRange *field_ranges;
+
+  /** Message initialisation function. */
+  ProtobufCMessageInit message_init;
+
+  /** Reserved for future use. */
+  void *reserved1;
+  /** Reserved for future use. */
+  void *reserved2;
+  /** Reserved for future use. */
+  void *reserved3;
+};
+
+/**
+ * An unknown message field.
+ */
+struct ProtobufCMessageUnknownField {
+  /** The tag number. */
+  uint32_t tag;
+  /** The wire type of the field. */
+  ProtobufCWireType wire_type;
+  /** Number of bytes in `data`. */
+  size_t len;
+  /** Field data. */
+  uint8_t *data;
+};
+
+/**
+ * Method descriptor.
+ */
+struct ProtobufCMethodDescriptor {
+  /** Method name. */
+  const char *name;
+  /** Input message descriptor. */
+  const ProtobufCMessageDescriptor *input;
+  /** Output message descriptor. */
+  const ProtobufCMessageDescriptor *output;
+};
+
+/**
+ * Service.
+ */
+struct ProtobufCService {
+  /** Service descriptor. */
+  const ProtobufCServiceDescriptor *descriptor;
+  /** Function to invoke the service. */
+  void (*invoke)(ProtobufCService *service, unsigned method_index,
+                 const ProtobufCMessage *input, ProtobufCClosure closure,
+                 void *closure_data);
+  /** Function to destroy the service. */
+  void (*destroy)(ProtobufCService *service);
+};
+
+/**
+ * Service descriptor.
+ */
+struct ProtobufCServiceDescriptor {
+  /** Magic value checked to ensure that the API is used correctly. */
+  uint32_t magic;
+
+  /** Service name. */
+  const char *name;
+  /** Short version of service name. */
+  const char *short_name;
+  /** C identifier for the service name. */
+  const char *c_name;
+  /** Package name. */
+  const char *package;
+  /** Number of elements in `methods`. */
+  unsigned n_methods;
+  /** Method descriptors, in the order defined in the .proto file. */
+  const ProtobufCMethodDescriptor *methods;
+  /** Sort index of methods. */
+  const unsigned *method_indices_by_name;
+};
+
+/**
+ * Get the version of the protobuf-c library. Note that this is the version of
+ * the library linked against, not the version of the headers compiled against.
+ *
+ * \return A string containing the version number of protobuf-c.
+ */
+PROTOBUF_C__API
+const char *protobuf_c_version(void);
+
+/**
+ * Get the version of the protobuf-c library. Note that this is the version of
+ * the library linked against, not the version of the headers compiled against.
+ *
+ * \return A 32 bit unsigned integer containing the version number of
+ *      protobuf-c, represented in base-10 as (MAJOR*1E6) + (MINOR*1E3) + PATCH.
+ */
+PROTOBUF_C__API
+uint32_t protobuf_c_version_number(void);
+
+/**
+ * The version of the protobuf-c headers, represented as a string using the same
+ * format as protobuf_c_version().
+ */
+#define PROTOBUF_C_VERSION "1.3.0"
+
+/**
+ * The version of the protobuf-c headers, represented as an integer using the
+ * same format as protobuf_c_version_number().
+ */
+#define PROTOBUF_C_VERSION_NUMBER 1003000
+
+/**
+ * The minimum protoc-c version which works with the current version of the
+ * protobuf-c headers.
+ */
+#define PROTOBUF_C_MIN_COMPILER_VERSION 1000000
+
+/**
+ * Determine the number of bytes required to store the serialised message.
+ *
+ * \param message
+ *      The message object to serialise.
+ * \return
+ *      Number of bytes.
+ */
+PROTOBUF_C__API
+size_t protobuf_c_message_get_packed_size(const ProtobufCMessage *message);
+
+/**
+ * Unpack a serialised message into an in-memory representation.
+ *
+ * \param descriptor
+ *      The message descriptor.
+ * \param allocator
+ *      `ProtobufCAllocator` to use for memory allocation. May be NULL to
+ *      specify the default allocator.
+ * \param len
+ *      Length in bytes of the serialised message.
+ * \param data
+ *      Pointer to the serialised message.
+ * \return
+ *      An unpacked message object.
+ * \retval NULL
+ *      If an error occurred during unpacking.
+ */
+PROTOBUF_C__API
+ProtobufCMessage *protobuf_c_message_unpack(
+    const ProtobufCMessageDescriptor *descriptor, ProtobufCAllocator *allocator,
+    size_t len, const uint8_t *data);
+
+/**
+ * Free an unpacked message object.
+ *
+ * This function should be used to deallocate the memory used by a call to
+ * protobuf_c_message_unpack().
+ *
+ * \param message
+ *      The message object to free. May be NULL.
+ * \param allocator
+ *      `ProtobufCAllocator` to use for memory deallocation. May be NULL to
+ *      specify the default allocator.
+ */
+PROTOBUF_C__API
+void protobuf_c_message_free_unpacked(ProtobufCMessage *message,
+                                      ProtobufCAllocator *allocator);
+
+/**
+ * Check the validity of a message object.
+ *
+ * Makes sure all required fields (`PROTOBUF_C_LABEL_REQUIRED`) are present.
+ * Recursively checks nested messages.
+ *
+ * \retval TRUE
+ *      Message is valid.
+ * \retval FALSE
+ *      Message is invalid.
+ */
+PROTOBUF_C__API
+protobuf_c_boolean protobuf_c_message_check(const ProtobufCMessage *);
+
+/** Message initialiser. */
+#define PROTOBUF_C_MESSAGE_INIT(descriptor) \
+  { descriptor, 0, NULL }
+
+/**
+ * Initialise a message object from a message descriptor.
+ *
+ * \param descriptor
+ *      Message descriptor.
+ * \param message
+ *      Allocated block of memory of size `descriptor->sizeof_message`.
+ */
+PROTOBUF_C__API
+void protobuf_c_message_init(const ProtobufCMessageDescriptor *descriptor,
+                             void *message);
+
+/**
+ * Initialise a `ProtobufCBufferSimple` object.
+ */
+#define PROTOBUF_C_BUFFER_SIMPLE_INIT(array_of_bytes)             \
+  {                                                               \
+    {protobuf_c_buffer_simple_append}, sizeof(array_of_bytes), 0, \
+        (array_of_bytes), 0, NULL                                 \
+  }
+
+/**
+ * Clear a `ProtobufCBufferSimple` object, freeing any allocated memory.
+ */
+#define PROTOBUF_C_BUFFER_SIMPLE_CLEAR(simp_buf)                              \
+  do {                                                                        \
+    if ((simp_buf)->must_free_data) {                                         \
+      if ((simp_buf)->allocator != NULL)                                      \
+        (simp_buf)->allocator->free((simp_buf)->allocator, (simp_buf)->data); \
+      else                                                                    \
+        free((simp_buf)->data);                                               \
+    }                                                                         \
+  } while (0)
+
+/**
+ * The `append` method for `ProtobufCBufferSimple`.
+ *
+ * \param buffer
+ *      The buffer object to append to. Must actually be a
+ *      `ProtobufCBufferSimple` object.
+ * \param len
+ *      Number of bytes in `data`.
+ * \param data
+ *      Data to append.
+ */
+PROTOBUF_C__API
+void protobuf_c_buffer_simple_append(ProtobufCBuffer *buffer, size_t len,
+                                     const unsigned char *data);
+
+/**@}*/
+
+PROTOBUF_C__END_DECLS
+
+#endif /* PROTOBUF_C_H */

tools/quantification/src/tensor_desc.h

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed 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. */
+
+#pragma once
+
+#include <vector>
+
+#include "src/framework.pb-c.h"
+
+namespace paddle_mobile {
+namespace framework {
+
+enum VarType_Type {
+  VARTYPE_TYPE_BOOL = 0,
+  VARTYPE_TYPE_INT16 = 1,
+  VARTYPE_TYPE_INT32 = 2,
+  VARTYPE_TYPE_INT64 = 3,
+  VARTYPE_TYPE_FP16 = 4,
+  VARTYPE_TYPE_FP32 = 5,
+  VARTYPE_TYPE_FP64 = 6,
+  VARTYPE_TYPE_LOD_TENSOR = 7,
+  VARTYPE_TYPE_SELECTED_ROWS = 8,
+  VARTYPE_TYPE_FEED_MINIBATCH = 9,
+  VARTYPE_TYPE_FETCH_LIST = 10,
+  VARTYPE_TYPE_STEP_SCOPES = 11,
+  VARTYPE_TYPE_STEP_LOD_RANK_TABLE = 12,
+  VARTYPE_TYPE_STEP_LOD_TENSOR_ARRAY = 13,
+  VARTYPE_TYPE_STEP_PLACE_LIST = 14,
+  VARTYPE_TYPE_READER = 15,
+  VARTYPE_TYPE_CHANNEL = 16,
+  VARTYPE_TYPE_RAW = 17,
+  VARTYPE_TYPE_TUPLE = 18
+};
+
+class TensorDesc {
+ public:
+  TensorDesc() = default;
+  TensorDesc(const TensorDesc &desc) {
+    this->dims_ = desc.dims_;
+    this->data_type_ = desc.data_type_;
+  }
+
+  explicit TensorDesc(
+      PaddleMobile__Framework__Proto__VarType__TensorDesc *desc) {
+    for (int i = 0; i < desc->n_dims; ++i) {
+      int64_t d = desc->dims[i];
+      dims_.emplace_back(d);
+    }
+    data_type_ = (VarType_Type)desc->data_type;
+  }
+
+  std::vector<int64_t> Dims() const { return dims_; }
+  VarType_Type DataType() const { return data_type_; }
+
+ private:
+  std::vector<int64_t> dims_;
+  VarType_Type data_type_;
+};
+
+}  // namespace framework
+}  // namespace paddle_mobile

tools/quantification/src/var_desc.h

+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed 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. */
+
+#pragma once
+
+#include <string>
+
+#include "src/framework.pb-c.h"
+#include "src/tensor_desc.h"
+
+namespace paddle_mobile {
+namespace framework {
+
+class VarDesc {
+ public:
+  VarDesc(const VarDesc &var_desc) {
+    this->data_type_ = var_desc.data_type_;
+    this->name_ = var_desc.name_;
+    this->persistable_ = var_desc.persistable_;
+    this->tensor_desc_ = var_desc.tensor_desc_;
+    this->type_ = var_desc.type_;
+  }
+  explicit VarDesc(PaddleMobile__Framework__Proto__VarDesc *desc) {
+    type_ = (VarType_Type)desc->type->type;
+    name_ = std::string(desc->name);
+    persistable_ = static_cast<bool>(desc->persistable);
+
+    switch (type_) {
+      case VARTYPE_TYPE_SELECTED_ROWS:
+        tensor_desc_ = TensorDesc(desc->type->selected_rows);
+        break;
+      case VARTYPE_TYPE_LOD_TENSOR:
+        tensor_desc_ = TensorDesc(desc->type->lod_tensor->tensor);
+        break;
+      case VARTYPE_TYPE_STEP_LOD_TENSOR_ARRAY:
+        // desc->type->tensor_array->tensor->data_type;
+        tensor_desc_ = TensorDesc(desc->type->tensor_array->tensor);
+
+        break;
+      default:
+        break;
+    }
+    switch (type_) {
+      case VARTYPE_TYPE_CHANNEL:
+        data_type_ = (VarType_Type)desc->type->channel->data_type;
+        break;
+      default:
+        data_type_ = tensor_desc_.DataType();
+        break;
+    }
+  }
+  std::string Name() const { return name_; }
+
+  VarType_Type Type() const { return type_; }
+
+  bool Persistable() const { return persistable_; }
+
+  const TensorDesc &Tensor_desc() const { return tensor_desc_; }
+
+ private:
+  std::string name_;
+  bool persistable_;
+  TensorDesc tensor_desc_;
+  VarType_Type type_;
+  VarType_Type data_type_;
+};
+
+}  // namespace framework
+}  // namespace paddle_mobile