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Sara Gerretsen 2026-03-13 11:22:19 +01:00
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engine/modules/gdscript/language_server/gdscript_language_protocol.h Normal file
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/**************************************************************************/
/* gdscript_language_protocol.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#pragma once
#include "gdscript_text_document.h"
#include "gdscript_workspace.h"
#include "scene_cache.h"
#include "core/io/stream_peer_tcp.h"
#include "core/io/tcp_server.h"
#include "modules/jsonrpc/jsonrpc.h"
#define LSP_MAX_BUFFER_SIZE 4194304
#define LSP_MAX_CLIENTS 8
#define LSP_NO_CLIENT -1
class GDScriptLanguageProtocol : public JSONRPC {
GDCLASS(GDScriptLanguageProtocol, JSONRPC)
friend class TestGDScriptLanguageProtocolInitializer;
private:
struct LSPeer : RefCounted {
Ref<StreamPeerTCP> connection;
uint8_t req_buf[LSP_MAX_BUFFER_SIZE];
int req_pos = 0;
bool has_header = false;
bool has_content = false;
int content_length = 0;
Vector<CharString> res_queue;
int res_sent = 0;
Error handle_data();
Error send_data();
/**
* Tracks all files that the client claimed, however for files deemed not relevant
* to the server the `text` might not be persisted.
*/
HashMap<String, LSP::TextDocumentItem> managed_files;
HashMap<String, ExtendGDScriptParser *> parse_results;
void remove_cached_parser(const String &p_path);
ExtendGDScriptParser *parse_script(const String &p_path);
~LSPeer();
private:
void clear_stale_parsers();
// Paths of parsers which we can't cache longterm.
// Can be cleared up using `clear_stale_parsers()`.
HashSet<String> stale_parsers;
};
enum LSPErrorCode {
RequestCancelled = -32800,
ContentModified = -32801,
};
static GDScriptLanguageProtocol *singleton;
HashMap<int, Ref<LSPeer>> clients;
SceneCache scene_cache;
Ref<TCPServer> server;
int latest_client_id = LSP_NO_CLIENT;
int next_client_id = 0;
int next_server_id = 0;
Ref<GDScriptTextDocument> text_document;
Ref<GDScriptWorkspace> workspace;
Error on_client_connected();
void on_client_disconnected(const int &p_client_id);
String process_message(const String &p_text);
String format_output(const String &p_text);
bool _initialized = false;
protected:
static void _bind_methods();
Dictionary initialize(const Dictionary &p_params);
void initialized(const Variant &p_params);
public:
_FORCE_INLINE_ static GDScriptLanguageProtocol *get_singleton() { return singleton; }
_FORCE_INLINE_ Ref<GDScriptWorkspace> get_workspace() { return workspace; }
_FORCE_INLINE_ Ref<GDScriptTextDocument> get_text_document() { return text_document; }
_FORCE_INLINE_ SceneCache *get_scene_cache() { return &scene_cache; }
_FORCE_INLINE_ bool is_initialized() const { return _initialized; }
void poll(int p_limit_usec);
Error start(int p_port, const IPAddress &p_bind_ip);
void stop();
void notify_client(const String &p_method, const Variant &p_params = Variant(), int p_client_id = -1);
void request_client(const String &p_method, const Variant &p_params = Variant(), int p_client_id = -1);
bool is_smart_resolve_enabled() const;
bool is_goto_native_symbols_enabled() const;
// Text Document Synchronization
void lsp_did_open(const Dictionary &p_params);
void lsp_did_change(const Dictionary &p_params);
void lsp_did_close(const Dictionary &p_params);
/**
* Returns a list of symbols that might be related to the document position.
*
* The result fulfills no semantic guarantees, nor is it guaranteed to be complete.
* Should only be used for "smart resolve".
*/
void resolve_related_symbols(const LSP::TextDocumentPositionParams &p_doc_pos, List<const LSP::DocumentSymbol *> &r_list);
/**
* Returns parse results for the given path, using the cache if available.
* If no such file exists, or the file is not a GDScript file a `nullptr` is returned.
*/
ExtendGDScriptParser *get_parse_result(const String &p_path);
GDScriptLanguageProtocol();
~GDScriptLanguageProtocol() {
clients.clear();
}
};