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//*****************************************************************************
// Copyright 2017-2020 Intel Corporation
//
// 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.
//*****************************************************************************
#include <fstream>
#include <functional>
#include <iostream>
#include <map>
#include <sstream>
#include <string>
#include <vector>
#include "header_rewrite.hpp"
#include "uncomment.hpp"
#include "util.hpp"
using namespace std;
class ResourceInfo
{
public:
ResourceInfo(const string& source, const vector<string>& _subdirs, bool recursive = false)
: search_path(source)
, subdirs(_subdirs)
, is_recursive(recursive)
{
}
const string search_path;
const vector<string> subdirs;
const bool is_recursive;
vector<string> files;
};
string find_path(const string& path)
{
string rc;
iterate_files(path,
[&](const string& file, bool is_dir) {
if (is_dir)
{
string dir_name = get_file_name(file);
if (is_version_number(dir_name))
{
rc = file;
}
}
},
true);
return rc;
}
int main(int argc, char** argv)
{
time_t main_timestamp = get_timestamp(argv[0]);
static vector<string> valid_ext = {".h", ".hpp", ".tcc", ""};
static vector<string> invalid_file = {"README"};
string output_path;
string base_name;
for (int64_t i = 1; i < argc; i++)
{
string arg = argv[i];
if (arg == "--output")
{
output_path = argv[++i];
}
else if (arg == "--base_name")
{
base_name = argv[++i];
}
}
vector<ResourceInfo> include_paths;
include_paths.push_back({CLANG_BUILTIN_HEADERS_PATH, {}, true});
#ifdef EIGEN_HEADERS_PATH
include_paths.push_back({EIGEN_HEADERS_PATH, {"Eigen"}, true});
#endif
#ifdef MKLDNN_HEADERS_PATH
include_paths.push_back({MKLDNN_HEADERS_PATH, {}, true});
#endif
#ifdef TBB_HEADERS_PATH
include_paths.push_back({TBB_HEADERS_PATH, {}, true});
#endif
include_paths.push_back({NGRAPH_HEADERS_PATH, {"ngraph"}, true});
if (output_path.empty())
{
cout << "must specify output path with --output option" << endl;
return -1;
}
time_t output_timestamp = get_timestamp(output_path);
for (ResourceInfo& path : include_paths)
{
vector<string> path_list;
if (path.subdirs.empty())
{
path_list.push_back(path.search_path);
}
for (const string& p : path.subdirs)
{
path_list.push_back(path_join(path.search_path, p));
}
for (const string& p : path_list)
{
iterate_files(p,
[&](const string& file, bool is_dir) {
if (!is_dir)
{
if (!contains(invalid_file, file))
{
string ext = get_file_ext(file);
if (contains(valid_ext, ext))
{
// std::cout << "add " << file << std::endl;
path.files.push_back(file);
}
}
}
},
path.is_recursive);
}
}
// test for changes to any headers
bool update_needed = main_timestamp > output_timestamp;
if (!update_needed)
{
for (ResourceInfo& path : include_paths)
{
for (const string& header_file : path.files)
{
time_t file_timestamp = get_timestamp(header_file);
if (file_timestamp > output_timestamp)
{
update_needed = true;
break;
}
}
}
}
if (update_needed)
{
size_t total_size = 0;
size_t total_count = 0;
const string delim = "pReFiX";
ofstream out(output_path);
out << "#pragma clang diagnostic ignored \"-Weverything\"\n";
out << "#include <vector>\n";
out << "namespace ngraph\n";
out << "{\n";
out << " const std::vector<std::string> builtin_search_paths =\n";
out << " {\n";
for (const ResourceInfo& path : include_paths)
{
out << " \"" << path.search_path << "\",\n";
}
out << " };\n";
#ifdef _WIN32
out << " const std::vector<std::pair<std::string, std::vector<std::string>>> "
"builtin_headers =\n";
#else
out << " const std::vector<std::pair<std::string, std::string>> builtin_headers =\n";
#endif
out << " {\n";
for (const ResourceInfo& path : include_paths)
{
for (const string& header_path : path.files)
{
out << " {";
out << "\"" << header_path << "\",\n";
string relative_path = header_path.substr(path.search_path.size() + 1);
std::ifstream file(header_path);
if (file.is_open())
{
std::string line;
#ifdef _WIN32
const int max_partial_size = 65500;
out << "{\n";
bool first_line = true;
int partial_size = 0;
out << "R\"" << delim << "(";
while (getline(file, line))
{
line = rewrite_header(line, relative_path);
// line = uncomment(line);
total_size += line.size();
partial_size += line.size();
if (partial_size > max_partial_size)
{
out << ")" << delim << "\",\n";
partial_size = line.size();
out << "R\"" << delim << "(";
}
out << line;
}
out << ")" << delim << "\"";
out << "}";
#else
out << "R\"" << delim << "(";
while (getline(file, line))
{
line = rewrite_header(line, relative_path);
// line = uncomment(line);
total_size += line.size();
out << line;
}
out << ")" << delim << "\"";
#endif
file.close();
}
out << "},\n";
total_count++;
}
}
out << " };\n";
out << "}\n";
cout.imbue(locale(""));
cout << "Total size " << total_size << " in " << total_count << " files\n";
}
return 0;
}