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20b74e4ede
...and use that to implement autocomplete in HackStudio. Now everyone can have autocomplete :^)
122 lines
4.3 KiB
C++
122 lines
4.3 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "AutoCompleteResponse.h"
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#include <AK/Forward.h>
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#include <AK/LexicalPath.h>
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#include <AK/Types.h>
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#include <LibIPC/ServerConnection.h>
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#include <DevTools/HackStudio/LanguageServers/LanguageClientEndpoint.h>
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#include <DevTools/HackStudio/LanguageServers/LanguageServerEndpoint.h>
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namespace HackStudio {
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class LanguageClient;
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class ServerConnection
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: public IPC::ServerConnection<LanguageClientEndpoint, LanguageServerEndpoint>
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, public LanguageClientEndpoint {
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public:
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ServerConnection(const StringView& socket)
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: IPC::ServerConnection<LanguageClientEndpoint, LanguageServerEndpoint>(*this, socket)
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{
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}
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void attach(LanguageClient& client)
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{
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m_language_client = &client;
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}
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void detach()
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{
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m_language_client = nullptr;
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}
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virtual void handshake() override
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{
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auto response = send_sync<Messages::LanguageServer::Greet>();
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set_my_client_id(response->client_id());
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}
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template<typename ConcreteType>
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static NonnullRefPtr<ServerConnection> get_or_create(const String& project_path)
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{
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static HashMap<String, NonnullRefPtr<ConcreteType>> s_instances_for_projects;
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auto key = LexicalPath { project_path }.string();
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if (auto instance = s_instances_for_projects.get(key); instance.has_value())
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return *instance.value();
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auto connection = ConcreteType::construct();
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connection->handshake();
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s_instances_for_projects.set(key, *connection);
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return *connection;
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}
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protected:
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virtual void handle(const Messages::LanguageClient::AutoCompleteSuggestions&) override;
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LanguageClient* m_language_client { nullptr };
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};
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class LanguageClient {
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public:
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explicit LanguageClient(NonnullRefPtr<ServerConnection>&& connection)
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: m_connection(*connection)
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, m_server_connection(move(connection))
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{
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m_connection.attach(*this);
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}
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virtual ~LanguageClient()
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{
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m_connection.detach();
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}
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virtual void open_file(const String& path, int fd);
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virtual void set_file_content(const String& path, const String& content);
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virtual void insert_text(const String& path, const String& text, size_t line, size_t column);
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virtual void remove_text(const String& path, size_t from_line, size_t from_column, size_t to_line, size_t to_column);
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virtual void request_autocomplete(const String& path, size_t cursor_line, size_t cursor_column);
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void provide_autocomplete_suggestions(const Vector<GUI::AutocompleteProvider::Entry>&);
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Function<void(Vector<GUI::AutocompleteProvider::Entry>)> on_autocomplete_suggestions;
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private:
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ServerConnection& m_connection;
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NonnullRefPtr<ServerConnection> m_server_connection;
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};
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template<typename ServerConnectionT>
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static inline NonnullOwnPtr<LanguageClient> get_language_client(const String& project_path)
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{
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return make<LanguageClient>(ServerConnection::get_or_create<ServerConnectionT>(project_path));
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}
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}
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