C++のパッケージマネージャ「poac」を開発した話 / Poac is a package manager for C++

Transcript

1. $ ͷύοέʔδϚωʔδϟ
 ʮQPBDʯΛ։ൃͨ͠࿩ ·͚ͭΜ
   !NBULFO ໋ཱؗେֶ
   ৘ใཧ޻ֶ෦
   ̎೥ੜ
2. ύοέʔδϚωʔδϟͱ͸ ϥΠϒϥϦͷ഑ஔ΍όʔδϣϯ؅ཧɼґଘؔ܎ ղܾ౳ͷ൥ࡶͳ࡞ۀΛϚωδϝϯτͯ͘͠ΕΔ
3. ▸ /PEFKTͷOQN΍ZBSO
   ▸ &MJYJSͷIFY
   ▸ $ ͷDPOBO
   ▸ 3VTUͷDBSHP
   ▸ )BTLFMMͷDBCBM ৭ʑͳύοέʔδϚωʔδϟ
4. $ ͷDPOBO͸࢖͍ͮΒ͍
5. poac ▸ ΠϯλϑΣʔε͕௚ײత
   ▸ ཚཱͨ͠ྑ͍ࢿ࢈ΛవΊͯఏڙ
   ▸ ύοέʔδϚωʔδϟ݉ϏϧυγεςϜ
   ▸ GitHub: https://github.com/poacpm Website: https://poac.io
7. QPBDͷ༝དྷᶃ Plus of Cͷpocͩͱ঎ඪ͕େྔʹऔΒΕ͍ͯͯා͔ͬͨ
8. ൃԻʹӨڹΛ༩͑ͳͦ͞͏ͳ฼ԻΛೖΕͯɼpoacʹͨ͠ QPBDͷ༝དྷᶃ
9. QPBDͷ༝དྷᶄ ίϚϯυͱͯ͠Կ౓΋ೖྗ͢ΔͷͰɼ
 ଧͪ΍͘͢ɼยख͚ͩʹෛ୲͕ภΒͳ͍ࣄΛॏࢹ ྲྀΕΔΑ͏ʹଧͭ͜ͱ͕Մೳ P, O ӈख A, C ࠨख
10. QPBDͷ༝དྷᶅ /p/͸࠷΋໌Δ͍ҹ৅Λ༩͑Δ ग़యɿ೔ຊޠΦϊϚτϖͷجຊײ৘࣍ݩͱ೔ຊޠԻײૉͷجຊϨϕϧʹ͍ͭͯ (http://hdl.handle.net/10112/12311)
11. QPBDͷ༝དྷᶅ /p/͸࠷΋ॊΒ͔͍ҹ৅Λ༩͑Δ ग़యɿ೔ຊޠΦϊϚτϖͷجຊײ৘࣍ݩͱ೔ຊޠԻײૉͷجຊϨϕϧʹ͍ͭͯ (http://hdl.handle.net/10112/12311)
12. QPBDͷϩΰ ੨ ਫ ւ ޫ ਂւ C++ͷҋ
13. QPBDͷϩΰ ޫ C++ͷҋ
14. ରԠ04 ▸ NBD04
    
    TJFSSB
    ▸ -JOVY
    
    Y@
    ▸ 8JOEPXT
    
    84-
15. ࢖༻ٕज़ 4FSWFS Frontend Elm firebase
 hos2ng $MJFOU C++ Backend TypeScript firebase
 func2ons Upload API Golang App Engine
16. ▸ JOTUBMM
    
    
    ύοέʔδΛΠϯετʔϧ
    ▸ VOJOTUBMM
    
    ύοέʔδΛΞϯΠϯετʔϧ
    ▸ TFBSDI
    
    
    ύοέʔδΛݕࡧ
    ▸ JOJU
    
    
    
    QPBDZNMϑΝΠϧΛੜ੒
    ▸ OFX
    
    
    
    ϓϩδΣΫτςϯϓϨʔτΛੜ੒
    ▸ QVCMJTI
    
    
    ࣗ࡞ύοέʔδΛެ։
    ▸ UFTU
    
    
    
    ςετΛߦ͏
    ▸ VQEBUF
    
    
    ύοέʔδΛΞοϓσʔτ
    ▸ CVJME
    
    
    Ϗϧυ͢Δ
    ▸ SVO
    
    
    
    Ϗϧυͱ࣮ߦΛߦ͏ αϒίϚϯυ Ұ෦
21. ΞʔΩςΫνϟ $ poac args... vector<string> Command I/O Builder Resolver components Inference
22. *OGFSFODF template <typename S, typename OpTypeE, typename VS, typename=std::enable_if_t<std::is_rvalue_reference_v<VS&&>>> auto _apply(S&& func, const OpTypeE& cmd, VS&& arg) { return branch(std::move(func), cmd, std::move(arg)); } template <typename S, typename VS, typename=std::enable_if_t<std::is_rvalue_reference_v<VS&&>>> std::string apply(S&& func, const S& cmd, VS&& arg) { namespace except = core::exception; if (auto itr = subcmd_map.find(cmd); itr != subcmd_map.end()) return _apply(std::move(func), itr->second, std::move(arg)); else if (itr = option_map.find(cmd); itr != option_map.end()) return _apply(std::move(func), itr->second, std::move(arg)); else throw except::invalid_first_arg("Invalid argument"); }
23. *OGFSFODF // Create function pointer table: { &func<0>, &func<1>, ... } // Execute function: &func<idx>[idx]() template <size_t... Is, typename VS, typename = std::enable_if_t<std::is_rvalue_reference_v<VS&&>>> static auto execute(std::index_sequence<Is...>, int idx, VS&& vs) { // Return ""(empty string) because match the type to the other two functions. return make_array({ +[](VS&& vs){ return (op_type_list_t::at_t<Is>()(std::move(vs)), ""); }... })[idx](std::move(vs)); } template <size_t... Is> static auto summary(std::index_sequence<Is...>, int idx) { return make_array({ +[]{ return op_type_list_t::at_t<Is>::summary(); }... })[idx](); } template <size_t... Is> static auto options(std::index_sequence<Is...>, int idx) { return make_array({ +[]{ return op_type_list_t::at_t<Is>::options(); }... })[idx](); }
24. ($$ͷόά #if BOOST_COMP_GNUC template <typename T, typename VS, typename = std::enable_if_t<std::is_rvalue_reference_v<VS&&>>> static auto execute2(VS&& vs) { return (T()(std::move(vs)), ""); } template <typename T> static auto summary2() { return T::summary(); } template <typename T> static auto options2() { return T::options(); } template <size_t... Is, typename VS, typename = std::enable_if_t<std::is_rvalue_reference_v<VS&&>>> static auto execute(std::index_sequence<Is...>, int idx, VS&& vs) { using func_t = decltype(&execute2<op_type_list_t::at_t<0>, VS>); static func_t func_table[] = { &execute2<op_type_list_t::at_t<Is>>... }; return func_table[idx](std::move(vs)); } template <size_t... Is> static auto summary(std::index_sequence<Is...>, int idx) { using func_t = decltype(&summary2<op_type_list_t::at_t<0>>); static func_t func_table[] = { &summary2<op_type_list_t::at_t<Is>>... }; return func_table[idx](); } template <size_t... Is> static auto options(std::index_sequence<Is...>, int idx) { using func_t = decltype(&options2<op_type_list_t::at_t<0>>); static func_t func_table[] = { &options2<op_type_list_t::at_t<Is>>... }; return func_table[idx](); } #else
25. ΞʔΩςΫνϟ $ poac args... vector<string> Inference Command I/O Builder Resolver components
26. 3FTPMWFS core semver SAT solver
27. compiler shell-command core #VJMEFS
28. *0 cli network file
29. ΞʔΩςΫνϟ $ poac args... vector<string> Inference Command I/O Resolver Builder components
30. ΞʔΩςΫνϟ vect B Re com Client API
31. Client ΞʔΩςΫνϟ API
32. "1* #BTJD 6QMPBE (PMBOH 5ZQFTDSJQU
34. ࠓޙ΍͍ͬͯ͘͜ͱ ▸ ύοέʔδͷ௥Ճɾ੔උ
    ▸ υΩϡϝϯτͷ֦ॆ
    ▸ ϏϧυγεςϜվળ
    ▸ ଎౓ͷվળ
    ▸ ιʔείʔυͷվળ
    ▸ ΤσΟλͷ֦ுػೳ։ൃ
    ▸ ϏϧυࡁΈύοέʔδͷΠϯετʔϧ
    ▸ άϩʔόϧΠϯετʔϧ
    ▸ EFW%FQFOEFODZɾUFTU%FQFOEFODZ
    ▸ EPDίϚϯυɾGNUίϚϯυ
35. poac ▸ ΠϯλϑΣʔε͕௚ײత
    ▸ ཚཱͨ͠ྑ͍ࢿ࢈ΛవΊͯఏڙ
    ▸ ύοέʔδϚωʔδϟ݉ϏϧυγεςϜ
    ▸ GitHub: https://github.com/poacpm Website: https://poac.io