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https://github.com/LadybirdBrowser/ladybird.git
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e7e179212c
Language servers will now receive an open file instead of just its path. This means the language servers no longer need to access the filesystem to open the file themselves. The C++ language server now has no filesystem access whatsoever (although we might need to relax this in the future if it learns to complete #include paths), while the Shell language server can read /etc/passwd (it wants that in order to get the user's home directory) and browse (but not read!) the whole file system tree for completing paths.
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<AutoCompleteResponse>&);
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Function<void(Vector<AutoCompleteResponse>)> 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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