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Sprout/tools/files/filegraph.cpp
2016-02-25 18:48:28 +09:00

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/*=============================================================================
Copyright (c) 2011-2016 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#include <cstdlib>
#include <iostream>
#include <sstream>
#include <fstream>
#include <string>
#include <vector>
#include <utility>
#include <iterator>
#include <algorithm>
#include <boost/wave.hpp>
#include <boost/wave/preprocessing_hooks.hpp>
#include <boost/wave/cpplexer/cpp_lex_token.hpp>
#include <boost/wave/cpplexer/cpp_lex_iterator.hpp>
#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/depth_first_search.hpp>
#include <boost/graph/graphviz.hpp>
#include <boost/filesystem.hpp>
#include <boost/range.hpp>
#include <boost/algorithm/string.hpp>
#include "../sprig/algorithm/string.hpp"
#include "../sprig/graph/depth_first_search.hpp"
class include_graph_hooks
: public boost::wave::context_policies::default_preprocessing_hooks
{
private:
typedef boost::wave::context_policies::default_preprocessing_hooks base_type;
public:
// ƒOƒ‰ƒt̃m<C692>[ƒh
struct node_type {
boost::filesystem::path absolute;
boost::filesystem::path filename;
bool has_include_guard;
public:
node_type(boost::filesystem::path const& absolute, boost::filesystem::path const& filename)
: absolute(absolute), filename(filename), has_include_guard(false)
{}
operator boost::filesystem::path const&() const {
return filename;
}
operator std::string() const {
return filename.generic_string();
}
friend bool operator==(node_type const& lhs, node_type const& rhs) {
return lhs.absolute == rhs.absolute;
}
friend bool operator==(node_type const& lhs, boost::filesystem::path const& rhs) {
return lhs.absolute == rhs;
}
friend bool operator==(boost::filesystem::path const& lhs, node_type const& rhs) {
return lhs == rhs.absolute;
}
friend bool operator!=(node_type const& lhs, node_type const& rhs) {
return !(lhs == rhs);
}
friend bool operator!=(node_type const& lhs, boost::filesystem::path const& rhs) {
return !(lhs == rhs);
}
friend bool operator!=(boost::filesystem::path const& lhs, node_type const& rhs) {
return !(lhs == rhs);
}
template<typename Elem, typename Traits>
friend std::basic_ostream<Elem, Traits>& operator<<(std::basic_ostream<Elem, Traits>& lhs, node_type const& rhs) {
return lhs << rhs.filename.generic_string();
}
};
typedef std::pair<int, int> edge_type;
typedef boost::adjacency_list<
boost::vecS,
boost::vecS,
boost::bidirectionalS,
boost::no_property
> graph_type;
private:
std::vector<node_type> node_list_;
std::vector<edge_type> edge_list_;
std::vector<int> current_list_;
int current_;
public:
explicit include_graph_hooks(boost::filesystem::path const& start)
: node_list_{node_type{boost::filesystem::absolute(start), start.filename()}}
, edge_list_{}
, current_list_{0}
, current_(0)
{}
std::vector<node_type> const&
nodes() const {
return node_list_;
}
std::vector<edge_type> const&
edges() const {
return edge_list_;
}
// ƒOƒ‰ƒt<C692><EFBFBD>¬
template<typename Graph>
Graph make_graph() const {
return Graph(edge_list_.begin(), edge_list_.end(), node_list_.size());
}
graph_type make_graph() const {
return make_graph<graph_type>();
}
// graphviz <20>o—Í
void write_graphviz(std::ostream& out) const {
boost::write_graphviz(
out,
make_graph<graph_type>(),
boost::make_label_writer(&node_list_[0])
);
}
// ”ñƒCƒ“ƒNƒ<C692>[ƒhƒK<C692>[ƒhŒŸ<C592>o
template<typename OutputIterator>
void collect_no_include_guard_files(OutputIterator result) const {
std::copy_if(
node_list_.begin() + 1, node_list_.end(), result,
[](node_type const& e) { return !e.has_include_guard; }
);
}
// <20>zŠÂƒCƒ“ƒNƒ<C692>[ƒhŒŸ<C592>o
template<typename OutputIterator>
void collect_circulated_includes(OutputIterator result) const {
boost::depth_first_search(
make_graph<graph_type>(),
boost::visitor(sprig::make_back_edge_recorder(result))
);
}
// ŒÇ—§ƒtƒ@ƒCƒŒŸ<C592>o
template<typename OutputIterator>
void collect_isolated_files(OutputIterator result, boost::filesystem::path const& path) const {
typedef boost::filesystem::recursive_directory_iterator iterator;
for (auto it = iterator(path), last = iterator(); it != last; ++it) {
if (!boost::filesystem::is_directory(*it)) {
boost::filesystem::path abspath(boost::filesystem::absolute(*it));
auto found = std::find(node_list_.begin(), node_list_.end(), abspath);
if (found == node_list_.end()) { // ƒCƒ“ƒNƒ<C692>[ƒh³êĢȢÈçÎŒ‰ÊÉljÁ
*result++ = abspath.generic_string();
}
}
}
}
public:
// ƒCƒ“ƒNƒ<C692>[ƒhƒtƒ@ƒCƒƒpƒX<C692>Ýè<E28099>ˆ<CB86>ðƒtƒbƒN
template<typename Context>
bool locate_include_file(
Context& ctx,
std::string& file_path,
bool is_system,
char const* current_name,
std::string& dir_path,
std::string& native_name
)
{
std::string filename = is_system ? ('<' + file_path + '>') : ('\"' + file_path + '\"');
if (!base_type::locate_include_file(ctx, file_path, is_system, current_name, dir_path, native_name)) {
return false;
}
dir_path = filename; // ƒCƒ“ƒNƒ<C692>[ƒhƒfƒBƒŒƒNƒeƒBƒũeƒLƒXƒgÅ<E2809A>ã<EFBFBD>«
return true;
}
// ƒCƒ“ƒNƒ<C692>[ƒhƒtƒ@ƒCƒ‰ð<E280B0>ÍŠJŽnðƒtƒbƒN
template<typename Context>
void opened_include_file(
Context const& /*ctx*/,
std::string const& relname,
std::string const& absname,
bool /*is_system_include*/
)
{
boost::filesystem::path abspath(boost::filesystem::absolute(absname));
auto found = std::find(node_list_.begin(), node_list_.end(), abspath);
auto to = std::distance(node_list_.begin(), found);
if (found == node_list_.end()) { // <20>Å<EFBFBD>̃Cƒ“ƒNƒ<C692>[ƒhÈç΃m<C692>[ƒhÉljÁ
node_list_.emplace_back(abspath, relname);
}
edge_list_.emplace_back(current_list_.back(), to);
current_list_.push_back(to); // ƒJƒŒƒ“ƒgð<E2809A>X<EFBFBD>V
current_ = to;
}
// ƒCƒ“ƒNƒ<C692>[ƒhƒtƒ@ƒCƒ‰ð<E280B0>ÍŠ®—¹ðƒtƒbƒN
template<typename Context>
void returning_from_include_file(Context const& /*ctx*/) {
current_ = current_list_.back();
current_list_.pop_back(); // ƒJƒŒƒ“ƒgðß·
}
// ƒCƒ“ƒNƒ<C692>[ƒhƒK<C692>[ƒhŒŸ<C592>oðƒtƒbƒN
template<typename Context>
void detected_include_guard(
Context const& /*ctx*/,
std::string const& /*filename*/,
std::string const& /*include_guard*/
)
{
node_list_.at(current_).has_include_guard = true;
}
template<typename Context, typename Token>
void detected_pragma_once(
Context const& /*ctx*/,
Token const& /*pragma_token*/,
std::string const& /*filename*/
)
{
node_list_.at(current_).has_include_guard = true;
}
};
// ƒVƒXƒeƒ€ƒCƒ“ƒNƒ<C692>[ƒhƒpƒX̎擾
template<typename OutputIterator>
void collect_sysinclude_paths(OutputIterator result, std::string const& command = "g++") {
{
std::ofstream ofs("_collect_sysinclude_paths.cpp");
}
std::system((command + " -v -E _collect_sysinclude_paths.cpp 1> /dev/null 2> _collect_sysinclude_paths").c_str());
{
std::ifstream ifs("_collect_sysinclude_paths");
std::string text(
std::istreambuf_iterator<char>(ifs.rdbuf()),
std::istreambuf_iterator<char>()
);
auto rng = boost::make_iterator_range(text);
rng = sprig::find_skip(rng, boost::algorithm::first_finder("#include <...>")); // ƒCƒ“ƒNƒ<C692>[ƒhƒpƒXÌŽn“_ÜŃXƒLƒbƒv
rng = sprig::find_skip(rng, boost::algorithm::first_finder("\n"));
while (boost::algorithm::starts_with(rng, " ")) {
auto found = sprig::find_between(
rng,
boost::algorithm::token_finder(boost::algorithm::is_space(), boost::algorithm::token_compress_on),
boost::algorithm::first_finder("\n")
);
*result++ = std::string(boost::begin(found), boost::end(found));
rng = boost::make_iterator_range(boost::end(found), boost::end(rng));
rng = sprig::find_skip(rng, boost::algorithm::first_finder("\n"));
}
}
}
int main(int argc, const char* argv[]) {
std::string src;
std::string command;
std::string text;
if (argc >= 2) {
src = argv[1];
// ƒtƒ@ƒCƒÌ“à—eðS•” text É“ÇÝ<E2809A>žÞ
std::ifstream ifs(argv[1]);
text = std::string(
std::istreambuf_iterator<char>(ifs.rdbuf()),
std::istreambuf_iterator<char>()
);
}
if (argc >= 3) {
command = argv[2];
}
try {
// ƒvƒŠƒvƒ<76>ƒZƒbƒTð—pˆÓ
typedef boost::wave::context<
std::string::iterator,
boost::wave::cpplexer::lex_iterator<boost::wave::cpplexer::lex_token<> >,
boost::wave::iteration_context_policies::load_file_to_string,
::include_graph_hooks
> context_type;
context_type ctx(text.begin(), text.end(), src.c_str(), ::include_graph_hooks(src));
// ƒ‰ƒ“ƒQ<C692>[ƒWÌ<E2809A>Ýè
ctx.set_language(
boost::wave::language_support(
boost::wave::support_cpp11
| boost::wave::support_option_include_guard_detection // ƒCƒ“ƒNƒ<C692>[ƒhƒK<C692>[ƒhŒŸ<C592>o
)
);
// ƒCƒ“ƒNƒ<C692>[ƒhƒpƒXÌ<E2809A>Ýè
if (!command.empty()) {
std::cout
<< "collect command :\n"
<< command << "\n"
;
}
{
std::vector<std::string> list;
if (command.empty()) {
::collect_sysinclude_paths(std::back_inserter(list));
} else {
::collect_sysinclude_paths(std::back_inserter(list), command);
}
std::cout
<< "sysinclude paths :\n"
;
for (auto&& e : list) {
std::cout
<< " " << e << "\n"
;
ctx.add_sysinclude_path(e.c_str());
}
std::cout
<< std::flush
;
}
if (!src.empty()) {
// ƒvƒŠƒvƒ<76>ƒZƒXðç¹é
for (auto&& e : ctx) {
//std::cout << e.get_value();
}
}
for ( ; ;) {
std::cout
<< "> "
<< std::flush
;
std::string line;
std::getline(std::cin, line);
if (line.empty()) {
break;
}
std::vector<std::string> tokens;
boost::algorithm::split(tokens, line, boost::algorithm::is_space());
if (tokens.at(0) == "find") {
// ƒCƒ“ƒNƒ<C692>[ƒhƒtƒ@ƒCƒðŒŸ<C592>õ
if (tokens.size() < 2) {
std::cout
<< "missing parameter.\n"
<< std::flush
;
continue;
}
std::cout
<< "find <" << tokens.at(1) << "> :\n"
;
std::string filepath(tokens.at(1));
std::string dirpath;
if (!ctx.find_include_file(filepath, dirpath, true, 0)) {
std::cout
<< " not found\n"
<< std::flush
;
continue;
}
std::cout
<< " " << filepath << "\n"
<< std::flush
;
} else if (tokens.at(0) == "graph") {
// ƒOƒ‰ƒt<C692>o—Í
std::cout
<< "graph output > out.graph.dot\n"
;
std::ofstream ofs("out.graph.dot");
ctx.get_hooks().write_graphviz(ofs);
std::cout
<< std::flush
;
} else if (tokens.at(0) == "noguard") {
// ”ñƒCƒ“ƒNƒ<C692>[ƒhƒK<C692>[ƒhð<E2809A>o—Í
std::vector<::include_graph_hooks::node_type> list;
ctx.get_hooks().collect_no_include_guard_files(std::back_inserter(list));
std::cout
<< "no include guarde files (" << list.size() << ") :\n"
;
for (auto const& e : list) {
std::cout
<< " " << e << "\n"
;
}
std::cout
<< std::flush
;
} else if (tokens.at(0) == "circulated") {
// <20>zŠÂƒCƒ“ƒNƒ<C692>[ƒhð<E2809A>o—Í
std::vector<typename boost::graph_traits<::include_graph_hooks::graph_type>::edge_descriptor> list;
ctx.get_hooks().collect_circulated_includes(std::back_inserter(list));
auto g = ctx.get_hooks().make_graph();
std::cout
<< "circulated includes (" << list.size() << ") :\n"
;
for (auto const& e : list) {
std::cout
<< " " << boost::source(e, g) << "[" << ctx.get_hooks().nodes()[boost::source(e, g)] << "]\n"
<< " -> " << boost::target(e, g) << "[" << ctx.get_hooks().nodes()[boost::target(e, g)] << "]\n"
;
}
std::cout
<< std::flush
;
} else if (tokens.at(0) == "isolated") {
// Sprout ̌Ǘ§ƒtƒ@ƒCƒð<E2809A>o—Í
std::cout
<< "isolated files output > out.isolated.txt\n"
;
std::ofstream ofs("out.isolated.txt");
// Sprout ̃VƒXƒeƒ€ƒCƒ“ƒNƒ<C692>|ƒhƒpƒXðŽæ“¾
std::string filepath("sprout/config.hpp");
std::string dirpath;
if (!ctx.find_include_file(filepath, dirpath, true, 0)) {
std::cerr
<< "#error sprout not found\n"
<< std::flush
;
continue;
}
dirpath = boost::filesystem::path(filepath).parent_path().generic_string();
// ƒŠƒXƒg<C692>o—Í
std::vector<std::string> list;
ctx.get_hooks().collect_isolated_files(std::back_inserter(list), dirpath);
std::sort(list.begin(), list.end());
std::copy(list.begin(), list.end(), std::ostream_iterator<std::string>(ofs, "\n"));
std::cout
<< std::flush
;
} else {
std::cout
<< "invalid command\n"
<< std::flush
;
}
}
} catch (boost::wave::cpp_exception& e) {
// ƒvƒŠƒvƒ<76>ƒZƒXŃGƒ‰<C692>[”­<E2809D>
std::cerr
<< "#error " << e.file_name() << "(" << e.line_no() << "):" << e.description() << "\n"
<< std::flush
;
}
}