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startup.clj
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startup.clj
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(ns clojure-lsp.startup
(:require
[clojure-lsp.classpath :as classpath]
[clojure-lsp.clj-depend :as lsp.depend]
[clojure-lsp.config :as config]
[clojure-lsp.db :as db]
[clojure-lsp.kondo :as lsp.kondo]
[clojure-lsp.logger :as logger]
[clojure-lsp.producer :as producer]
[clojure-lsp.shared :as shared]
[clojure-lsp.source-paths :as source-paths]
[clojure.core.async :as async]
[clojure.java.io :as io]
[clojure.string :as string]
[medley.core :as medley])
(:import
(java.net URI)))
(set! *warn-on-reflection* true)
(def startup-logger-tag "[Startup]")
(defn lerp "Linear interpolation" [a b t] (+ a (* (- b a) t)))
(defn init-tasks [tasks]
(->> tasks
(partition-all 2 1)
(map (fn [[task next-task]]
(assoc task :task/end-percent (if next-task
(dec (:task/start-percent next-task))
100))))
(medley/index-by :task/id)))
(def fast-tasks
(init-tasks
[{:task/start-percent 0, :task/title "clojure-lsp", :task/id :start}
{:task/start-percent 5, :task/title "Finding kondo config", :task/id :finding-kondo}
{:task/start-percent 10, :task/title "Finding cache", :task/id :finding-cache}
{:task/start-percent 15, :task/title "Copying kondo configs", :task/id :copying-kondo}
{:task/start-percent 15, :task/title "Resolving config paths", :task/id :resolving-config}
{:task/start-percent 20, :task/title "Analyzing project files", :task/id :analyzing-project}
{:task/start-percent 100, :task/title "Project analyzed", :task/id :done}]))
(def slow-tasks
(init-tasks
[{:task/start-percent 0, :task/title "clojure-lsp", :task/id :start}
{:task/start-percent 5, :task/title "Finding kondo config", :task/id :finding-kondo}
{:task/start-percent 10, :task/title "Finding cache", :task/id :finding-cache}
{:task/start-percent 15, :task/title "Discovering classpath", :task/id :discovering-classpath}
{:task/start-percent 20, :task/title "Copying kondo configs", :task/id :copying-kondo}
{:task/start-percent 25, :task/title "Analyzing external classpath", :task/id :analyzing-deps}
{:task/start-percent 45, :task/title "Resolving config paths", :task/id :resolving-config}
{:task/start-percent 50, :task/title "Analyzing project files", :task/id :analyzing-project}
{:task/start-percent 100, :task/title "Project analyzed", :task/id :done}]))
(defn batched-task [{:keys [:task/start-percent :task/end-percent] :as task} batch-idx batch-count]
(assoc task
:task/start-percent (lerp start-percent end-percent (/ (dec batch-idx) batch-count))
:task/end-percent (lerp start-percent end-percent (/ batch-idx batch-count))))
(defn partial-task [{:keys [:task/start-percent :task/end-percent] :as task} subtask-idx subtask-count]
(assoc task
:task/current-percent (lerp start-percent end-percent (/ subtask-idx subtask-count))))
(defn publish-task-progress [producer {:keys [:task/title :task/current-percent :task/start-percent]} progress-token]
(when progress-token
(producer/publish-progress producer (or current-percent start-percent) title progress-token)))
(defn ^:private analyze-source-paths! [paths db* file-analyzed-fn]
(let [kondo-result* (future
(shared/logging-time
(str startup-logger-tag " Project only paths analyzed by clj-kondo, took %s")
(lsp.kondo/run-kondo-on-paths! paths db* {:external? false} file-analyzed-fn)))
depend-result* (future
(shared/logging-time
(str startup-logger-tag " Project only paths analyzed by clj-depend, took %s")
(lsp.depend/analyze-paths! paths @db*)))
kondo-result @kondo-result*
depend-result @depend-result*]
(swap! db* (fn [state-db]
(-> state-db
(lsp.kondo/db-with-results kondo-result)
(lsp.depend/db-with-results depend-result))))))
(defn ^:private analyze-external-classpath! [root-path source-paths classpath progress-token {:keys [db* producer]}]
(logger/info "Analyzing classpath for project root" root-path)
(when classpath
(let [source-paths-abs (set (map #(shared/relativize-filepath % (str root-path)) source-paths))
external-paths (->> classpath
(remove (set source-paths-abs))
(remove (set source-paths)))
{:keys [new-checksums paths-not-on-checksum]} (shared/generate-and-update-analysis-checksums external-paths nil @db*)
batch-update-callback (fn [batch-index batch-count {:keys [total-files files-done]}]
(let [task (-> (:analyzing-deps slow-tasks)
(batched-task batch-index batch-count)
(partial-task files-done total-files))]
(publish-task-progress producer task progress-token)))
normalization-config {:external? true
:filter-analysis (fn [analysis]
(update analysis :var-definitions #(remove :private %)))}
kondo-result (shared/logging-time
"External classpath paths analyzed, took %s"
(lsp.kondo/run-kondo-on-paths-batch! paths-not-on-checksum normalization-config batch-update-callback db*))]
(swap! db* #(-> %
(update :analysis-checksums merge new-checksums)
(lsp.kondo/db-with-results kondo-result)))
(shared/logging-time
"Manual GC after classpath scan took %s"
(System/gc))
(swap! db* assoc :full-scan-analysis-startup true))))
(defn ^:private copy-configs-from-classpath! [classpath settings db]
(when (get settings :copy-kondo-configs? true)
(logger/info "Copying kondo configs from classpath to project if any...")
(when classpath
(shared/logging-time
"Copied kondo configs, took %s secs."
(lsp.kondo/run-kondo-copy-configs! classpath db)))))
(defn ^:private create-kondo-folder! [^java.io.File clj-kondo-folder]
(try
(logger/info (format "Folder %s not found, creating for necessary clj-kondo analysis..." (.getCanonicalPath clj-kondo-folder)))
(.mkdir clj-kondo-folder)
(catch Exception e
(logger/error "Error when creating '.clj-kondo' dir on project-root" e))))
(defn ^:private ensure-kondo-config-dir-exists!
[project-root-uri db]
(let [project-root-filename (shared/uri->filename project-root-uri)
clj-kondo-folder (io/file project-root-filename ".clj-kondo")]
(when-not (shared/file-exists? clj-kondo-folder)
(create-kondo-folder! clj-kondo-folder)
(when (db/db-exists? db)
(logger/info startup-logger-tag "Removing outdated cached lsp db...")
(db/remove-db! db)))))
(defn ^:private load-db-cache! [root-path db*]
(let [db @db*]
(when-let [db-cache (db/read-local-cache root-path db)]
(when-not (and (= :project-and-dependencies (:project-analysis-type db))
(= :project-only (:project-analysis-type db-cache)))
(swap! db* (fn [state-db]
(-> state-db
(merge (select-keys db-cache [:classpath :analysis-checksums :project-hash
:kondo-config-hash :stubs-generation-namespaces]))
(lsp.kondo/db-with-analysis {:analysis (:analysis db-cache)
:external? true}))))))))
(defn ^:private build-db-cache [db]
(-> db
(select-keys [:project-hash :kondo-config-hash :project-analysis-type :classpath :analysis :analysis-checksums])
(merge {:stubs-generation-namespaces (->> db :settings :stubs :generation :namespaces (map str) set)
:version db/version
:project-root (str (shared/uri->path (:project-root-uri db)))})))
(defn ^:private upsert-db-cache! [db]
(if (:api? db)
(db/upsert-local-cache! (build-db-cache db) db)
(async/go
(db/upsert-local-cache! (build-db-cache db) db))))
(defn initialize-project
[project-root-uri
client-capabilities
client-settings
force-settings
progress-token
{:keys [db* logger producer] :as components}]
(publish-task-progress producer (:start fast-tasks) progress-token)
(let [task-list fast-tasks
project-settings (config/resolve-for-root project-root-uri)
root-path (shared/uri->path project-root-uri)
encoding-settings {:uri-format {:upper-case-drive-letter? (->> project-root-uri URI. .getPath
(re-find #"^/[A-Z]:/")
boolean)
:encode-colons-in-path? (string/includes? project-root-uri "%3A")}}
settings (shared/deep-merge encoding-settings
client-settings
project-settings
force-settings)
_ (when-let [log-path (:log-path settings)]
(logger/set-log-path logger log-path)
(swap! db* assoc :log-path log-path))
settings (update settings :source-aliases #(or % source-paths/default-source-aliases))
settings (update settings :project-specs #(or % (classpath/default-project-specs (:source-aliases settings))))]
(swap! db* assoc
:project-root-uri project-root-uri
:client-settings client-settings
:project-settings project-settings
:force-settings force-settings
:settings settings
:client-capabilities client-capabilities)
(publish-task-progress producer (:finding-kondo task-list) progress-token)
(ensure-kondo-config-dir-exists! project-root-uri @db*)
(publish-task-progress producer (:finding-cache task-list) progress-token)
(load-db-cache! root-path db*)
(let [project-hash (classpath/project-specs->hash root-path settings)
kondo-config-hash (lsp.kondo/config-hash (str root-path))
use-db-analysis? (and (= (:project-hash @db*) project-hash)
(= (:kondo-config-hash @db*) kondo-config-hash))
fast-startup? (or use-db-analysis?
(not= :project-and-dependencies (:project-analysis-type @db*)))
task-list (if fast-startup? fast-tasks slow-tasks)]
(if use-db-analysis?
(let [classpath (:classpath @db*)]
(logger/info startup-logger-tag "Using cached db for project root" root-path)
(swap! db* assoc
:settings (update settings :source-paths (partial source-paths/process-source-paths settings root-path classpath)))
(publish-task-progress producer (:copying-kondo fast-tasks) progress-token)
(copy-configs-from-classpath! classpath settings @db*))
(do
(publish-task-progress producer (:discovering-classpath slow-tasks) progress-token)
(when-let [classpath (classpath/scan-classpath! components)]
(swap! db* assoc
:project-hash project-hash
:kondo-config-hash kondo-config-hash
:classpath classpath
:settings (update settings :source-paths (partial source-paths/process-source-paths settings root-path classpath)))
(publish-task-progress producer (:copying-kondo slow-tasks) progress-token)
(copy-configs-from-classpath! classpath settings @db*)
(when (= :project-and-dependencies (:project-analysis-type @db*))
(publish-task-progress producer (:analyzing-deps slow-tasks) progress-token)
(analyze-external-classpath! root-path (-> @db* :settings :source-paths) classpath progress-token components))
(logger/info "Caching db for next startup...")
(upsert-db-cache! @db*))))
(publish-task-progress producer (:resolving-config task-list) progress-token)
(when-let [classpath-settings (and (config/classpath-config-paths? settings)
(:classpath @db*)
(config/resolve-from-classpath-config-paths (:classpath @db*) settings))]
(swap! db* assoc
:settings (shared/deep-merge (:settings @db*)
classpath-settings
project-settings
force-settings)
:classpath-settings classpath-settings))
(publish-task-progress producer (:analyzing-project task-list) progress-token)
(logger/info startup-logger-tag "Analyzing source paths for project root" root-path)
(analyze-source-paths! (-> @db* :settings :source-paths)
db*
(fn [{:keys [total-files files-done]}]
(let [task (-> (:analyzing-project task-list)
(partial-task files-done total-files))]
(publish-task-progress producer task progress-token))))
(swap! db* assoc :settings-auto-refresh? true)
(publish-task-progress producer (:done task-list) progress-token))))