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HackStudio: Attach previous Language Client when detaching

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Previously, if a new LanguageClient was created & destroyed, the
ServerConnection to the language server would be left without an
attached LanguageClient.
As a result, auto-completion results would not be updated in the UI.

Starting with this commit, the LanguageClient holds a WeakPtr to the
previous LanguageClient that was attached to the ServerConnection,
and re-attaches it after detaching itself.
This commit is contained in:
Itamar 2021-01-23 19:48:42 +02:00 • committed by Andreas Kling
parent c85dad2383
commit 8ed96eb27c
2 changed files with 15 additions and 4 deletions
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12
Userland/DevTools/HackStudio/LanguageClient.h
View file

@ -30,6 +30,8 @@
#include <AK/Forward.h>
#include <AK/LexicalPath.h>
#include <AK/Types.h>
#include <AK/WeakPtr.h>
#include <AK/Weakable.h>
#include <LibIPC/ServerConnection.h>
#include <DevTools/HackStudio/LanguageServers/LanguageClientEndpoint.h>
@ -64,6 +66,8 @@ public:
set_my_client_id(response->client_id());
}
WeakPtr<LanguageClient> language_client() { return m_language_client; }
template<typename ConcreteType>
static NonnullRefPtr<ServerConnection> get_or_create(const String& project_path)
{
@ -81,21 +85,24 @@ public:
protected:
virtual void handle(const Messages::LanguageClient::AutoCompleteSuggestions&) override;
LanguageClient* m_language_client { nullptr };
WeakPtr<LanguageClient> m_language_client;
};
class LanguageClient {
class LanguageClient : public Weakable<LanguageClient> {
public:
explicit LanguageClient(NonnullRefPtr<ServerConnection>&& connection)
: m_connection(*connection)
, m_server_connection(move(connection))
{
m_previous_client = m_connection.language_client();
m_connection.attach(*this);
}
virtual ~LanguageClient()
{
m_connection.detach();
if (m_previous_client)
m_connection.attach(*m_previous_client);
}
virtual void open_file(const String& path, int fd);
@ -111,6 +118,7 @@ public:
private:
ServerConnection& m_connection;
NonnullRefPtr<ServerConnection> m_server_connection;
WeakPtr<LanguageClient> m_previous_client;
};
template<typename ServerConnectionT>