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254 | ------------------------------------------------------------------------------
-- Language Server Protocol --
-- --
-- Copyright (C) 2018-2020, AdaCore --
-- --
-- This is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. This software is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public --
-- License for more details. You should have received a copy of the GNU --
-- General Public License distributed with this software; see file --
-- COPYING3. If not, go to http://www.gnu.org/licenses for a complete copy --
-- of the license. --
------------------------------------------------------------------------------
with Ada.Containers.Hashed_Maps;
with Ada.Streams;
with Ada.Strings.Unbounded;
with Ada.Strings.Unbounded.Hash;
with VSS.Strings;
with LSP.Messages;
with LSP.Server_Notification_Receivers;
with LSP.Raw_Clients;
with LSP.Types; use LSP.Types;
limited with LSP.Clients.Request_Handlers;
limited with LSP.Clients.Response_Handlers;
limited with LSP.Client_Notification_Receivers;
package LSP.Clients is
type Client is new LSP.Raw_Clients.Raw_Client
and Server_Notification_Receivers.Server_Notification_Receiver
with private;
-- Client object to send/recieve request and notification to/from
-- the LSP server
procedure Initialize (Self : in out Client'Class);
-- Initialize Client to correct state
overriding procedure On_Initialized_Notification (Self : access Client);
overriding procedure On_Exit_Notification (Self : access Client);
overriding procedure On_DidChangeConfiguration_Notification
(Self : access Client;
Value : LSP.Messages.DidChangeConfigurationParams);
overriding procedure On_DidChangeWorkspaceFolders_Notification
(Self : access Client;
Value : LSP.Messages.DidChangeWorkspaceFoldersParams);
overriding procedure On_DidChangeWatchedFiles_Notification
(Self : access Client;
Value : LSP.Messages.DidChangeWatchedFilesParams);
overriding procedure On_DidOpenTextDocument_Notification
(Self : access Client;
Value : LSP.Messages.DidOpenTextDocumentParams);
overriding procedure On_DidChangeTextDocument_Notification
(Self : access Client;
Value : LSP.Messages.DidChangeTextDocumentParams);
overriding procedure On_DidSaveTextDocument_Notification
(Self : access Client;
Value : LSP.Messages.DidSaveTextDocumentParams);
overriding procedure On_DidCloseTextDocument_Notification
(Self : access Client;
Value : LSP.Messages.DidCloseTextDocumentParams);
overriding procedure On_Cancel_Notification
(Self : access Client;
Value : LSP.Messages.CancelParams);
procedure Set_Response_Handler
(Self : in out Client'Class;
Value : access LSP.Clients.Response_Handlers.Response_Handler'Class);
-- Set response handler
procedure Set_Request_Handler
(Self : in out Client'Class;
Value : access LSP.Clients.Request_Handlers.Request_Handler'Class);
-- Set request handler
procedure Set_Notification_Handler
(Self : in out Client'Class;
Value : access Client_Notification_Receivers
.Client_Notification_Receiver'Class);
-- Set notification handler
-- Routines to send request to the LSP server
procedure Initialize_Request
(Self : in out Client'Class;
Request : out LSP.Types.LSP_Number_Or_String;
Value : LSP.Messages.InitializeParams);
procedure Shutdown_Request
(Self : in out Client'Class;
Request : out LSP.Types.LSP_Number_Or_String);
procedure Text_Document_Code_Action_Request
(Self : in out Client'Class;
Request : out LSP.Types.LSP_Number_Or_String;
Value : LSP.Messages.CodeActionParams);
procedure Text_Document_Completion_Request
(Self : in out Client'Class;
Request : out LSP.Types.LSP_Number_Or_String;
Value : LSP.Messages.TextDocumentPositionParams);
procedure Text_Document_Definition_Request
(Self : in out Client'Class;
Request : out LSP.Types.LSP_Number_Or_String;
Value : LSP.Messages.DefinitionParams);
procedure Text_Document_Type_Definition_Request
(Self : in out Client'Class;
Request : out LSP.Types.LSP_Number_Or_String;
Value : LSP.Messages.TextDocumentPositionParams);
procedure Text_Document_Hover_Request
(Self : in out Client'Class;
Request : out LSP.Types.LSP_Number_Or_String;
Value : LSP.Messages.TextDocumentPositionParams);
procedure Text_Document_Folding_Range_Request
(Self : in out Client'Class;
Request : out LSP.Types.LSP_Number_Or_String;
Value : LSP.Messages.FoldingRangeParams);
procedure Text_Document_Highlight_Request
(Self : in out Client'Class;
Request : out LSP.Types.LSP_Number_Or_String;
Value : LSP.Messages.TextDocumentPositionParams);
procedure Text_Document_References_Request
(Self : in out Client'Class;
Request : out LSP.Types.LSP_Number_Or_String;
Value : LSP.Messages.ReferenceParams);
procedure Text_Document_Signature_Help_Request
(Self : in out Client'Class;
Request : out LSP.Types.LSP_Number_Or_String;
Value : LSP.Messages.SignatureHelpParams);
procedure Text_Document_Symbol_Request
(Self : in out Client'Class;
Request : out LSP.Types.LSP_Number_Or_String;
Value : LSP.Messages.DocumentSymbolParams);
procedure Workspace_Execute_Command_Request
(Self : in out Client'Class;
Request : out LSP.Types.LSP_Number_Or_String;
Value : LSP.Messages.ExecuteCommandParams);
procedure Workspace_Symbol_Request
(Self : in out Client'Class;
Request : out LSP.Types.LSP_Number_Or_String;
Value : LSP.Messages.WorkspaceSymbolParams);
-- Send response to the LSP server
procedure Workspace_Apply_Edit
(Self : in out Client'Class;
Request : LSP.Types.LSP_Number_Or_String;
Failure : LSP.Types.Optional_String);
procedure Void_Response
(Self : in out Client'Class;
Request : LSP.Types.LSP_Number_Or_String);
-- Return a void response to server->client request
function Allocate_Request_Id
(Self : in out Client'Class) return LSP.Types.LSP_Number_Or_String;
-- Allocates request id.
function Request_Id_Prefix
(Self : Client) return VSS.Strings.Virtual_String;
-- Prefix to generate request id in form "prefix-id".
private
type Response_Decoder is access procedure
(Stream : access Ada.Streams.Root_Stream_Type'Class;
Request : LSP.Types.LSP_Number_Or_String;
Is_Error : Boolean;
Handler : access LSP.Clients.Response_Handlers.Response_Handler'Class);
package Request_Maps is new Ada.Containers.Hashed_Maps
(Key_Type => LSP.Types.LSP_Number_Or_String,
Element_Type => Response_Decoder,
Hash => LSP.Types.Hash,
Equivalent_Keys => "=");
type Notification_Decoder is access procedure
(Stream : access Ada.Streams.Root_Stream_Type'Class;
Handler : access LSP.Client_Notification_Receivers
.Client_Notification_Receiver'Class;
Token : LSP.Types.LSP_Number_Or_String);
package Notification_Maps is new Ada.Containers.Hashed_Maps
(Key_Type => Ada.Strings.Unbounded.Unbounded_String,
Element_Type => Notification_Decoder,
Hash => Ada.Strings.Unbounded.Hash,
Equivalent_Keys => Ada.Strings.Unbounded."=");
type Client is new LSP.Raw_Clients.Raw_Client
and Server_Notification_Receivers.Server_Notification_Receiver
with record
Request_Id : LSP.Types.LSP_Number := 0; -- Id of prev request
Request_Map : Request_Maps.Map; -- issued requests
Notif_Decoders : Notification_Maps.Map; -- notification decoders
Response_Handler : access
LSP.Clients.Response_Handlers.Response_Handler'Class;
Request_Handler : access
LSP.Clients.Request_Handlers.Request_Handler'Class;
Notification : access
LSP.Client_Notification_Receivers.Client_Notification_Receiver'Class;
Error_Message : VSS.Strings.Virtual_String;
end record;
overriding procedure On_Raw_Message
(Self : in out Client;
Data : Ada.Strings.Unbounded.Unbounded_String;
Success : in out Boolean);
overriding function Error_Message
(Self : Client) return VSS.Strings.Virtual_String;
procedure Send_Notification
(Self : in out Client'Class;
Method : VSS.Strings.Virtual_String;
Value : in out LSP.Messages.NotificationMessage'Class);
procedure Send_Request
(Self : in out Client'Class;
Request : out LSP.Types.LSP_Number_Or_String;
Method : VSS.Strings.Virtual_String;
Decoder : Response_Decoder;
Value : in out LSP.Messages.RequestMessage'Class);
procedure Send_Response
(Self : in out Client'Class;
Request : LSP.Types.LSP_Number_Or_String;
Value : in out LSP.Messages.ResponseMessage'Class);
end LSP.Clients;
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