ccls/src/messages/text_document_did_save.cc
Jacob Dufault f6a2a55209 Import pipeline improvements
- Cache manager is created by request
- Index is always associated with its contents
- Reduced frequently of file reads
2018-01-29 21:34:36 -08:00

61 lines
2.2 KiB
C++

#include "cache_manager.h"
#include "clang_complete.h"
#include "message_handler.h"
#include "project.h"
#include "queue_manager.h"
#include <loguru/loguru.hpp>
namespace {
struct Ipc_TextDocumentDidSave
: public NotificationMessage<Ipc_TextDocumentDidSave> {
const static IpcId kIpcId = IpcId::TextDocumentDidSave;
struct Params {
// The document that was saved.
lsTextDocumentIdentifier textDocument;
// Optional the content when saved. Depends on the includeText value
// when the save notifcation was requested.
// std::string text;
};
Params params;
};
MAKE_REFLECT_STRUCT(Ipc_TextDocumentDidSave::Params, textDocument);
MAKE_REFLECT_STRUCT(Ipc_TextDocumentDidSave, params);
REGISTER_IPC_MESSAGE(Ipc_TextDocumentDidSave);
struct TextDocumentDidSaveHandler
: BaseMessageHandler<Ipc_TextDocumentDidSave> {
void Run(Ipc_TextDocumentDidSave* request) override {
std::string path = request->params.textDocument.uri.GetPath();
if (ShouldIgnoreFileForIndexing(path))
return;
// Send out an index request, and copy the current buffer state so we
// can update the cached index contents when the index is done.
//
// We also do not index if there is already an index request.
//
// TODO: Cancel outgoing index request. Might be tricky to make
// efficient since we have to cancel.
// - we could have an |atomic<int> active_cancellations| variable
// that all of the indexers check before accepting an index. if
// zero we don't slow down fast-path. if non-zero we acquire
// mutex and check to see if we should skip the current request.
// if so, ignore that index response.
// TODO: send as priority request
optional<std::string> content = ReadContent(path);
if (!content) {
LOG_S(ERROR) << "Unable to read file content after saving " << path;
} else {
Project::Entry entry = project->FindCompilationEntryForFile(path);
QueueManager::instance()->index_request.Enqueue(Index_Request(
entry.filename, entry.args, true /*is_interactive*/, *content, ICacheManager::Make(config)));
}
clang_complete->NotifySave(path);
}
};
REGISTER_MESSAGE_HANDLER(TextDocumentDidSaveHandler);
} // namespace