1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "LanguageClient.h"
#include "HackStudio.h"
#include "ProjectDeclarations.h"
#include <AK/String.h>
#include <AK/Vector.h>
#include <DevTools/HackStudio/LanguageServers/LanguageServerEndpoint.h>
#include <LibGUI/Notification.h>
namespace HackStudio {
void ServerConnection::handle(const Messages::LanguageClient::AutoCompleteSuggestions& message)
{
if (!m_current_language_client) {
dbgln("Language Server connection has no attached language client");
return;
}
m_current_language_client->provide_autocomplete_suggestions(message.suggestions());
}
void ServerConnection::handle(const Messages::LanguageClient::DeclarationLocation& message)
{
if (!m_current_language_client) {
dbgln("Language Server connection has no attached language client");
return;
}
m_current_language_client->declaration_found(message.location().file, message.location().line, message.location().column);
}
void ServerConnection::die()
{
VERIFY(m_wrapper);
// Wrapper destructs us here
m_wrapper->on_crash();
}
void LanguageClient::open_file(const String& path, int fd)
{
if (!m_connection_wrapper.connection())
return;
m_connection_wrapper.connection()->post_message(Messages::LanguageServer::FileOpened(path, fd));
}
void LanguageClient::set_file_content(const String& path, const String& content)
{
if (!m_connection_wrapper.connection())
return;
m_connection_wrapper.connection()->post_message(Messages::LanguageServer::SetFileContent(path, content));
}
void LanguageClient::insert_text(const String& path, const String& text, size_t line, size_t column)
{
if (!m_connection_wrapper.connection())
return;
// set_active_client();
m_connection_wrapper.connection()->post_message(Messages::LanguageServer::FileEditInsertText(path, text, line, column));
}
void LanguageClient::remove_text(const String& path, size_t from_line, size_t from_column, size_t to_line, size_t to_column)
{
if (!m_connection_wrapper.connection())
return;
m_connection_wrapper.connection()->post_message(Messages::LanguageServer::FileEditRemoveText(path, from_line, from_column, to_line, to_column));
}
void LanguageClient::request_autocomplete(const String& path, size_t cursor_line, size_t cursor_column)
{
if (!m_connection_wrapper.connection())
return;
set_active_client();
m_connection_wrapper.connection()->post_message(Messages::LanguageServer::AutoCompleteSuggestions(GUI::AutocompleteProvider::ProjectLocation { path, cursor_line, cursor_column }));
}
void LanguageClient::provide_autocomplete_suggestions(const Vector<GUI::AutocompleteProvider::Entry>& suggestions) const
{
if (on_autocomplete_suggestions)
on_autocomplete_suggestions(suggestions);
// Otherwise, drop it on the floor :shrug:
}
void LanguageClient::set_autocomplete_mode(const String& mode)
{
if (!m_connection_wrapper.connection())
return;
m_connection_wrapper.connection()->post_message(Messages::LanguageServer::SetAutoCompleteMode(mode));
}
void LanguageClient::set_active_client()
{
if (!m_connection_wrapper.connection())
return;
m_connection_wrapper.set_active_client(*this);
}
HashMap<String, NonnullOwnPtr<ServerConnectionWrapper>> ServerConnectionInstances::s_instance_for_language;
void ServerConnection::handle(const Messages::LanguageClient::DeclarationsInDocument& message)
{
ProjectDeclarations::the().set_declared_symbols(message.filename(), message.declarations());
}
void LanguageClient::search_declaration(const String& path, size_t line, size_t column)
{
if (!m_connection_wrapper.connection())
return;
set_active_client();
m_connection_wrapper.connection()->post_message(Messages::LanguageServer::FindDeclaration(GUI::AutocompleteProvider::ProjectLocation { path, line, column }));
}
void LanguageClient::declaration_found(const String& file, size_t line, size_t column) const
{
if (!on_declaration_found) {
dbgln("on_declaration_found callback is not set");
return;
}
on_declaration_found(file, line, column);
}
void ServerConnectionInstances::set_instance_for_language(const String& language_name, NonnullOwnPtr<ServerConnectionWrapper>&& connection_wrapper)
{
s_instance_for_language.set(language_name, move(connection_wrapper));
}
void ServerConnectionInstances::remove_instance_for_language(const String& language_name)
{
s_instance_for_language.remove(language_name);
}
ServerConnectionWrapper* ServerConnectionInstances::get_instance_wrapper(const String& language_name)
{
if (auto instance = s_instance_for_language.get(language_name); instance.has_value()) {
return const_cast<ServerConnectionWrapper*>(instance.value());
}
return nullptr;
}
void ServerConnectionWrapper::on_crash()
{
show_crash_notification();
m_connection.clear();
static constexpr int max_crash_frequency_seconds = 3;
if (m_last_crash_timer.is_valid() && m_last_crash_timer.elapsed() / 1000 < max_crash_frequency_seconds) {
dbgln("LanguageServer crash frequency is too high");
m_respawn_allowed = false;
show_frequenct_crashes_notification();
} else {
m_last_crash_timer.start();
try_respawn_connection();
}
}
void ServerConnectionWrapper::show_frequenct_crashes_notification() const
{
auto notification = GUI::Notification::construct();
notification->set_icon(Gfx::Bitmap::load_from_file("/res/icons/32x32/app-hack-studio.png"));
notification->set_title("LanguageServer Crashes too much!");
notification->set_text("LanguageServer aided features will not be available in this session");
notification->show();
}
void ServerConnectionWrapper::show_crash_notification() const
{
auto notification = GUI::Notification::construct();
notification->set_icon(Gfx::Bitmap::load_from_file("/res/icons/32x32/app-hack-studio.png"));
notification->set_title("Oops!");
notification->set_text(String::formatted("LanguageServer has crashed"));
notification->show();
}
ServerConnectionWrapper::ServerConnectionWrapper(const String& language_name, Function<NonnullRefPtr<ServerConnection>()> connection_creator)
: m_language(language_from_name(language_name))
, m_connection_creator(move(connection_creator))
{
create_connection();
}
void ServerConnectionWrapper::create_connection()
{
VERIFY(m_connection.is_null());
m_connection = m_connection_creator();
m_connection->set_wrapper(*this);
m_connection->handshake();
}
ServerConnection* ServerConnectionWrapper::connection()
{
return m_connection.ptr();
}
void ServerConnectionWrapper::attach(LanguageClient& client)
{
m_connection->m_current_language_client = &client;
}
void ServerConnectionWrapper::detach()
{
m_connection->m_current_language_client.clear();
}
void ServerConnectionWrapper::set_active_client(LanguageClient& client)
{
m_connection->m_current_language_client = &client;
}
void ServerConnectionWrapper::try_respawn_connection()
{
if (!m_respawn_allowed)
return;
dbgln("Respawning ServerConnection");
create_connection();
// After respawning the language-server, we have to flush the content of the project files
// so the server's FileDB will be up-to-date.
project().for_each_text_file([this](const ProjectFile& file) {
if (file.code_document().language() != m_language)
return;
m_connection->post_message(Messages::LanguageServer::SetFileContent(file.code_document().file_path(), file.document().text()));
});
}
}
|
