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First functional kernel based on clang-repl
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /************************************************************************************ | ||
| * Copyright (c) 2023, xeus-cpp contributors * | ||
| * Copyright (c) 2023, Johan Mabille, Loic Gouarin, Sylvain Corlay, Wolf Vollprecht * | ||
| * * | ||
| * Distributed under the terms of the BSD 3-Clause License. * | ||
| * * | ||
| * The full license is in the file LICENSE, distributed with this software. * | ||
| ************************************************************************************/ | ||
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| #ifndef XCPP_DISPLAY_HPP | ||
| #define XCPP_DISPLAY_HPP | ||
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| #include <nlohmann/json.hpp> | ||
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| #include "xcpp/xmime.hpp" | ||
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| namespace nl = nlohmann; | ||
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| namespace xcpp | ||
| { | ||
| // Adding a dummy non-template display overload as a workaround to | ||
| // Issue https://reviews.llvm.org/D147319 | ||
| class dummy_display | ||
| { | ||
| }; | ||
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| void display(dummy_display i) | ||
| { | ||
| } | ||
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| template <class T> | ||
| void display(const T& t) | ||
| { | ||
| using ::xcpp::mime_bundle_repr; | ||
| xeus::get_interpreter().display_data(mime_bundle_repr(t), nl::json::object(), nl::json::object()); | ||
| } | ||
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| template <class T> | ||
| void display(const T& t, xeus::xguid id, bool update = false) | ||
| { | ||
| nl::json transient; | ||
| transient["display_id"] = id; | ||
| using ::xcpp::mime_bundle_repr; | ||
| if (update) | ||
| { | ||
| xeus::get_interpreter() | ||
| .update_display_data(mime_bundle_repr(t), nl::json::object(), std::move(transient)); | ||
| } | ||
| else | ||
| { | ||
| xeus::get_interpreter().display_data(mime_bundle_repr(t), nl::json::object(), std::move(transient)); | ||
| } | ||
| } | ||
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| inline void clear_output(bool wait = false) | ||
| { | ||
| xeus::get_interpreter().clear_output(wait); | ||
| } | ||
| } | ||
|
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| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| /************************************************************************************ | ||
| * Copyright (c) 2023, xeus-cpp contributors * | ||
| * Copyright (c) 2023, Johan Mabille, Loic Gouarin, Sylvain Corlay, Wolf Vollprecht * | ||
| * * | ||
| * Distributed under the terms of the BSD 3-Clause License. * | ||
| * * | ||
| * The full license is in the file LICENSE, distributed with this software. * | ||
| ************************************************************************************/ | ||
|
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| #ifndef XCPP_MIME_HPP | ||
| #define XCPP_MIME_HPP | ||
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| #include <sstream> | ||
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| #include <nlohmann/json.hpp> | ||
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| namespace nl = nlohmann; | ||
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| namespace xcpp | ||
| { | ||
| namespace detail | ||
| { | ||
| // Generic mime_bundle_repr() implementation | ||
| // via std::ostringstream. | ||
| template <class T> | ||
| nl::json mime_bundle_repr_via_sstream(const T& value) | ||
| { | ||
| auto bundle = nl::json::object(); | ||
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| std::ostringstream oss; | ||
| oss << value; | ||
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| bundle["text/plain"] = oss.str(); | ||
| return bundle; | ||
| } | ||
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| } | ||
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| // Default implementation of mime_bundle_repr | ||
| template <class T> | ||
| nl::json mime_bundle_repr(const T& value) | ||
| { | ||
| return detail::mime_bundle_repr_via_sstream(&value); | ||
| } | ||
| } | ||
|
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| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| /************************************************************************************ | ||
| * Copyright (c) 2023, xeus-cpp contributors * | ||
| * Copyright (c) 2023, Johan Mabille, Loic Gouarin, Sylvain Corlay, Wolf Vollprecht * | ||
| * * | ||
| * Distributed under the terms of the BSD 3-Clause License. * | ||
| * * | ||
| * The full license is in the file LICENSE, distributed with this software. * | ||
| ************************************************************************************/ | ||
|
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| #ifndef XEUS_CPP_BUFFER_HPP | ||
| #define XEUS_CPP_BUFFER_HPP | ||
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| #include <functional> | ||
| #include <memory> | ||
| #include <mutex> | ||
| #include <streambuf> | ||
| #include <string> | ||
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| namespace xcpp | ||
| { | ||
| /******************** | ||
| * output streambuf * | ||
| ********************/ | ||
|
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| class xoutput_buffer : public std::streambuf | ||
| { | ||
| public: | ||
|
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| using base_type = std::streambuf; | ||
| using callback_type = std::function<void(const std::string&)>; | ||
| using traits_type = base_type::traits_type; | ||
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| xoutput_buffer(callback_type callback) | ||
| : m_callback(std::move(callback)) | ||
| { | ||
| } | ||
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| protected: | ||
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| traits_type::int_type overflow(traits_type::int_type c) override | ||
| { | ||
| std::lock_guard<std::mutex> lock(m_mutex); | ||
| // Called for each output character. | ||
| if (!traits_type::eq_int_type(c, traits_type::eof())) | ||
| { | ||
| m_output.push_back(traits_type::to_char_type(c)); | ||
| } | ||
| return c; | ||
| } | ||
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| std::streamsize xsputn(const char* s, std::streamsize count) override | ||
| { | ||
| std::lock_guard<std::mutex> lock(m_mutex); | ||
| // Called for a string of characters. | ||
| m_output.append(s, count); | ||
| return count; | ||
| } | ||
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| traits_type::int_type sync() override | ||
| { | ||
| std::lock_guard<std::mutex> lock(m_mutex); | ||
| // Called in case of flush. | ||
| if (!m_output.empty()) | ||
| { | ||
| m_callback(m_output); | ||
| m_output.clear(); | ||
| } | ||
| return 0; | ||
| } | ||
|
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| callback_type m_callback; | ||
| std::string m_output; | ||
| std::mutex m_mutex; | ||
| }; | ||
|
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| /******************* | ||
| * input streambuf * | ||
| *******************/ | ||
|
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| class xinput_buffer : public std::streambuf | ||
| { | ||
| public: | ||
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| using base_type = std::streambuf; | ||
| using callback_type = std::function<void(std::string&)>; | ||
| using traits_type = base_type::traits_type; | ||
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| xinput_buffer(callback_type callback) | ||
| : m_callback(std::move(callback)) | ||
| , m_value() | ||
| { | ||
| char* data = const_cast<char*>(m_value.data()); | ||
| this->setg(data, data, data); | ||
| } | ||
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| protected: | ||
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| traits_type::int_type underflow() override | ||
| { | ||
| m_callback(m_value); | ||
| // Terminate the string to trigger parsing. | ||
| m_value += '\n'; | ||
| char* data = const_cast<char*>(m_value.data()); | ||
| setg(data, data, data + m_value.size()); | ||
| return traits_type::to_int_type(*gptr()); | ||
| } | ||
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| callback_type m_callback; | ||
| std::string m_value; | ||
| }; | ||
|
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| /************************* | ||
| * output null streambuf * | ||
| *************************/ | ||
|
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| class xnull : public std::streambuf | ||
| { | ||
| using base_type = std::streambuf; | ||
| using traits_type = base_type::traits_type; | ||
|
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| traits_type::int_type overflow(traits_type::int_type c) override | ||
| { | ||
| return c; | ||
| } | ||
| }; | ||
| } | ||
|
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| #endif |
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