mirror of
https://github.com/MaskRay/ccls.git
synced 2024-12-03 21:17:08 +00:00
96 lines
3.2 KiB
C++
96 lines
3.2 KiB
C++
#include "cache_manager.h"
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#include "match.h"
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#include "message_handler.h"
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#include "platform.h"
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#include "project.h"
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#include "queue_manager.h"
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#include "timer.h"
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#include "timestamp_manager.h"
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#include "working_files.h"
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#include <loguru.hpp>
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#include <queue>
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#include <unordered_set>
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namespace {
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MethodType kMethodType = "$ccls/freshenIndex";
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struct In_CclsFreshenIndex : public NotificationInMessage {
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MethodType GetMethodType() const override { return kMethodType; }
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struct Params {
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bool dependencies = true;
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std::vector<std::string> whitelist;
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std::vector<std::string> blacklist;
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};
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Params params;
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};
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MAKE_REFLECT_STRUCT(In_CclsFreshenIndex::Params,
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dependencies,
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whitelist,
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blacklist);
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MAKE_REFLECT_STRUCT(In_CclsFreshenIndex, params);
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REGISTER_IN_MESSAGE(In_CclsFreshenIndex);
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struct Handler_CclsFreshenIndex : BaseMessageHandler<In_CclsFreshenIndex> {
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MethodType GetMethodType() const override { return kMethodType; }
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void Run(In_CclsFreshenIndex* request) override {
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LOG_S(INFO) << "Freshening " << project->entries.size() << " files";
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// TODO: think about this flow and test it more.
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GroupMatch matcher(request->params.whitelist, request->params.blacklist);
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// Unmark all files whose timestamp has changed.
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std::shared_ptr<ICacheManager> cache_manager = ICacheManager::Make();
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std::queue<const QueryFile*> q;
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// |need_index| stores every filename ever enqueued.
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std::unordered_set<std::string> need_index;
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// Reverse dependency graph.
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std::unordered_map<std::string, std::vector<std::string>> graph;
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// filename -> QueryFile mapping for files haven't enqueued.
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std::unordered_map<std::string, const QueryFile*> path_to_file;
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for (const auto& file : db->files)
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if (file.def) {
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if (matcher.IsMatch(file.def->path))
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q.push(&file);
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else
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path_to_file[file.def->path] = &file;
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for (const std::string& dependency : file.def->dependencies)
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graph[dependency].push_back(file.def->path);
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}
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while (!q.empty()) {
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const QueryFile* file = q.front();
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q.pop();
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need_index.insert(file->def->path);
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std::optional<int64_t> modification_timestamp =
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GetLastModificationTime(file->def->path);
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if (!modification_timestamp)
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continue;
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std::optional<int64_t> cached_modification =
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timestamp_manager->GetLastCachedModificationTime(cache_manager.get(),
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file->def->path);
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if (modification_timestamp != cached_modification)
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file_consumer_shared->Reset(file->def->path);
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if (request->params.dependencies)
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for (const std::string& path : graph[file->def->path]) {
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auto it = path_to_file.find(path);
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if (it != path_to_file.end()) {
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q.push(it->second);
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path_to_file.erase(it);
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}
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}
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}
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Timer time;
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// Send index requests for every file.
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project->Index(QueueManager::instance(), working_files, lsRequestId());
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time.ResetAndPrint("[perf] Dispatched $ccls/freshenIndex index requests");
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}
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};
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REGISTER_MESSAGE_HANDLER(Handler_CclsFreshenIndex);
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} // namespace
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