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import Lean.Server.Watchdog
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import GameServer.Game
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namespace WasmServer.Watchdog
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open Lean
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open Server
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open Watchdog
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open IO
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open Lsp
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open JsonRpc
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open System.Uri
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def counter := IO.mkRef 0
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def readLspRequestAs (s : String) (expectedMethod : String) (α : Type) [FromJson α] : IO (Request α) := do
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let j ← ofExcept (Json.parse s)
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let m ← match fromJson? j with
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| Except.ok (m : JsonRpc.Message) => pure m
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| Except.error inner => throw $ userError s!"JSON '{j.compress}' did not have the format of a JSON-RPC message.\n{inner}"
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let initRequest ← match m with
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| Message.request id method params? =>
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if method = expectedMethod then
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let j := toJson params?
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match fromJson? j with
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| Except.ok v => pure $ JsonRpc.Request.mk id expectedMethod (v : α)
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| Except.error inner => throw $ userError s!"Unexpected param '{j.compress}' for method '{expectedMethod}'\n{inner}"
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else
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throw $ userError s!"Expected method '{expectedMethod}', got method '{method}'"
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| _ => throw $ userError s!"Expected JSON-RPC request, got: '{(toJson m).compress}'"
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@[export game_send_message]
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def sendMessage (s : String) : IO Unit := do
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-- IO.println s!"received {s}"
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-- if args.length < 2 then
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-- throwServerError s!"Expected 1-3 command line arguments in addition to `--server`:
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-- game directory, the name of the main module (optional), and the name of the game (optional)."
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-- let gameDir := args[1]!
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-- let module := if args.length < 3 then defaultGameModule else args[2]!
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-- let gameName := if args.length < 4 then defaultGameName else args[3]!
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-- let workerPath := "./gameserver"
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-- -- TODO: Do the following commands slow us down?
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-- let srcSearchPath ← initSrcSearchPath (← getBuildDir)
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-- let references ← IO.mkRef (← loadReferences)
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-- let fileWorkersRef ← IO.mkRef (RBMap.empty : FileWorkerMap)
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-- -- let i ← maybeTee "wdIn.txt" false i
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-- -- let o ← maybeTee "wdOut.txt" true o
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-- -- let e ← maybeTee "wdErr.txt" true e
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-- let state : GameServerState := {
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-- env := ← importModules #[] {} 0 --← createEnv gameDir module,
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-- game := "TEST",
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-- gameDir := "test",
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-- inventory := #[]
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-- difficulty := 0
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-- }
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let initRequest ← readLspRequestAs s "initialize" InitializeParams
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-- We misuse the `rootUri` field to the gameName
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let rootUri? := "TEST"
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let initRequest := {initRequest with param := {initRequest.param with rootUri?}}
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let o ← IO.getStdout
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o.writeLspResponse {
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id := initRequest.id
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result := {
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capabilities := mkLeanServerCapabilities
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serverInfo? := some {
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name := "Lean 4 Game Server"
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version? := "0.1.1"
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}
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: InitializeResult
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}
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}
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-- let context : ServerContext := {
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-- hIn := i
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-- hOut := o
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-- hLog := e
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-- args := args
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-- fileWorkersRef := fileWorkersRef
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-- initParams := initRequest.param
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-- workerPath
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-- srcSearchPath
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-- references
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-- }
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-- discard $ ReaderT.run (StateT.run initAndRunWatchdogAux state) context
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return ()
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