better err report for GivenContext, module morny.event_hack

src/main/scala/cc/sukazyo/cono/morny/MornyCoreModule.scala

@@ -33,8 +33,7 @@ class MornyCoreModule extends MornyModule {
 			OnCallMe(),
 			OnCallMsgSend(),
 			OnGetSocial(),
-			OnMedicationNotifyApply(),
-			OnEventHackHandle()
+			OnMedicationNotifyApply()
 		)
 		
 		val $MornyHellos = MornyHellos()
@@ -50,7 +49,6 @@ class MornyCoreModule extends MornyModule {
 			$MornyHellos.Hello,
 			MornyInfoOnStart(),
 			GetUsernameAndId(),
-			EventHack(),
 			Nbnhhsh(),
 			$IP186Query.IP,
 			$IP186Query.Whois,

src/main/scala/cc/sukazyo/cono/morny/ServerModulesLoader.scala

@@ -0,0 +1,18 @@
+package cc.sukazyo.cono.morny
+
+import cc.sukazyo.cono.morny.event_hack.ModuleEventHack
+import cc.sukazyo.cono.morny.uni_meow.ModuleUniMeow
+
+object ServerModulesLoader {
+	
+	def load (): List[MornyModule] = {
+		
+		List(
+			ModuleEventHack(),
+			ModuleUniMeow(),
+			MornyCoreModule()
+		)
+		
+	}
+	
+}

src/main/scala/cc/sukazyo/cono/morny/daemon/MornyDaemons.scala

@@ -2,12 +2,12 @@ package cc.sukazyo.cono.morny.daemon
 
 import cc.sukazyo.cono.morny.Log.logger
 import cc.sukazyo.cono.morny.MornyCoeur
+import cc.sukazyo.cono.morny.event_hack.EventHacker
 
 class MornyDaemons (using val coeur: MornyCoeur) {
 	
 	val medicationTimer: MedicationTimer = MedicationTimer()
 	val reporter: MornyReport = MornyReport()
-	val eventHack: EventHacker = EventHacker()
 	
 	def start (): Unit = {
 		

src/main/scala/cc/sukazyo/cono/morny/event_hack/BotCmdEventHack.scala

@@ -1,5 +1,7 @@
-package cc.sukazyo.cono.morny.bot.command
+package cc.sukazyo.cono.morny.event_hack
+
 import cc.sukazyo.cono.morny.MornyCoeur
+import cc.sukazyo.cono.morny.bot.command.{ICommandAlias, ITelegramCommand}
 import cc.sukazyo.cono.morny.data.TelegramStickers
 import cc.sukazyo.cono.morny.util.tgapi.InputCommand
 import cc.sukazyo.cono.morny.util.tgapi.TelegramExtensions.Bot.exec
@@ -8,7 +10,7 @@ import com.pengrad.telegrambot.request.SendSticker
 
 import scala.language.postfixOps
 
-class EventHack (using coeur: MornyCoeur) extends ITelegramCommand {
+class BotCmdEventHack (using hacker: EventHacker)(using coeur: MornyCoeur) extends ITelegramCommand {
 	
 	override val name: String = "event_hack"
 	override val aliases: List[ICommandAlias] = Nil
@@ -17,7 +19,7 @@ class EventHack (using coeur: MornyCoeur) extends ITelegramCommand {
 	
 	override def execute (using command: InputCommand, event: Update): Unit = {
 		
-		import coeur.daemons.eventHack.{registerHack, HackType}
+		import hacker.{registerHack, HackType}
 		
 		val x_mode = if (command.args nonEmpty) command.args(0) else ""
 		

src/main/scala/cc/sukazyo/cono/morny/event_hack/BotEventEventHackHandle.scala

@@ -1,4 +1,4 @@
-package cc.sukazyo.cono.morny.bot.event
+package cc.sukazyo.cono.morny.event_hack
 
 import cc.sukazyo.cono.morny.bot.api.{EventEnv, EventListener}
 import cc.sukazyo.cono.morny.Log.logger
@@ -11,11 +11,11 @@ import com.pengrad.telegrambot.request.SendMessage
 import scala.collection.mutable
 import scala.language.postfixOps
 
-class OnEventHackHandle (using coeur: MornyCoeur) extends EventListener {
+class BotEventEventHackHandle (using hacker: EventHacker)(using coeur: MornyCoeur) extends EventListener {
 	
 	private def trigger (chat_id: Long, from_id: Long)(using event: EventEnv): Unit =
 		given Update = event.update
-		if coeur.daemons.eventHack.trigger(chat_id, from_id) then
+		if hacker.trigger(chat_id, from_id) then
 			event.setEventOk
 	
 	override def onMessage (using event: EventEnv): Unit =

src/main/scala/cc/sukazyo/cono/morny/event_hack/EventHacker.scala

@@ -1,4 +1,4 @@
-package cc.sukazyo.cono.morny.daemon
+package cc.sukazyo.cono.morny.event_hack
 
 import cc.sukazyo.cono.morny.Log.logger
 import cc.sukazyo.cono.morny.MornyCoeur

src/main/scala/cc/sukazyo/cono/morny/event_hack/ModuleEventHack.scala

@@ -0,0 +1,35 @@
+package cc.sukazyo.cono.morny.event_hack
+
+import cc.sukazyo.cono.morny.internal.MornyInternalModule
+import cc.sukazyo.cono.morny.MornyCoeur
+
+class ModuleEventHack extends MornyInternalModule {
+	
+	override val id: String = "morny.event_hack"
+	override val name: String = "Morny Event Hack"
+	override val description: String | Null =
+		// language=markdown
+		"""The `/event_hack` command which can make morny output the next
+		  |serialized event.
+		  |""".stripMargin
+	
+	override def onInitializingPre (using MornyCoeur)(cxt: MornyCoeur.OnInitializingPreContext): Unit = {
+		import cxt.*
+		
+		given hacker: EventHacker = EventHacker()
+		
+		externalContext << hacker
+		givenCxt << hacker
+		
+	}
+	
+	override def onInitializing (using MornyCoeur)(cxt: MornyCoeur.OnInitializingContext): Unit = {
+		import cxt.*
+		given EventHacker = externalContext >!> classOf[EventHacker]
+		
+		commandManager.register(BotCmdEventHack())
+		eventManager.register(BotEventEventHackHandle())
+		
+	}
+	
+}

src/main/scala/cc/sukazyo/cono/morny/internal/MornyInternalModule.scala

@@ -0,0 +1,9 @@
+package cc.sukazyo.cono.morny.internal
+
+import cc.sukazyo.cono.morny.{MornyModule, MornySystem}
+
+trait MornyInternalModule extends MornyModule {
+	
+	override val version: String = MornySystem.VERSION
+	
+}

src/main/scala/cc/sukazyo/cono/morny/uni_meow/ModuleUniMeow.scala

@@ -1,12 +1,12 @@
 package cc.sukazyo.cono.morny.uni_meow
 
-import cc.sukazyo.cono.morny.{MornyCoeur, MornyModule, MornySystem}
+import cc.sukazyo.cono.morny.MornyCoeur
+import cc.sukazyo.cono.morny.internal.MornyInternalModule
 
-class ModuleUniMeow extends MornyModule {
+class ModuleUniMeow extends MornyInternalModule {
 	
 	override val id: String = "coeur.uni_meow"
 	override val name: String = "Coeur Uni-Meow Commands"
-	override val version: String = MornySystem.VERSION
 	override val description: String | Null =
 		// language=Markdown
 		"""Provides support for unicode command in Telegram. Also provided some

src/main/scala/cc/sukazyo/cono/morny/util/GivenContext.scala

@@ -1,13 +1,33 @@
 package cc.sukazyo.cono.morny.util
 
-import cc.sukazyo.cono.morny.util.GivenContext.ContextNotGivenException
+import cc.sukazyo.cono.morny.util.GivenContext.{ContextNotGivenException, FolderClass, RequestItemClass}
+import cc.sukazyo.messiva.utils.StackUtils
 
 import scala.annotation.targetName
 import scala.collection.mutable
 import scala.reflect.{classTag, ClassTag}
+import scala.util.boundary
 
 object GivenContext {
-	class ContextNotGivenException extends NoSuchElementException
+	case class FolderClass (clazz: Option[Class[?]])
+	object FolderClass:
+		def default: FolderClass = FolderClass(None)
+	case class RequestItemClass (clazz: Class[?])
+	private def lastNonGCStack: StackTraceElement =
+		boundary {
+			for (stack <- StackUtils.getStackTrace(0)) {
+				if (!stack.getClassName.startsWith(classOf[GivenContext].getName))
+					boundary break stack
+			}
+			StackTraceElement("unknown", "unknown", "unknown", -1)
+		}
+	class ContextNotGivenException (using
+		val requestItemClass: RequestItemClass,
+		val folderClass: FolderClass = FolderClass.default,
+		val requestStack: StackTraceElement = UseStacks.getStackHeadBeforeClass[GivenContext]
+	) extends NoSuchElementException (
+		s"None of the ${requestItemClass.clazz.getSimpleName} is in the context${folderClass.clazz.map(" and owned by " + _.getSimpleName).getOrElse("")}, which is required by $requestStack."
+	)
 }
 
 /** A mutable collection that can store(provide) any typed value and read(use/consume) that value by type.
@@ -67,7 +87,8 @@ class GivenContext {
 	
 	private type CxtOption[T] = Either[ContextNotGivenException, T]
 	def use [T: ClassTag]: CxtOption[T] =
-		variables get classTag[T].runtimeClass match
+		given t: RequestItemClass = RequestItemClass(classTag[T].runtimeClass)
+		variables get t.clazz match
 			case Some(i) => Right(i.asInstanceOf[T])
 			case None => Left(ContextNotGivenException())
 	def use [T: ClassTag, U] (consumer: T => U): ConsumeResult[U] =
@@ -101,8 +122,12 @@ class GivenContext {
 			this.provide[T](i)
 		
 		def use [T: ClassTag]: CxtOption[T] =
-			variablesWithOwner(classTag[O].runtimeClass) get classTag[T].runtimeClass match
-				case Some(i) => Right(i.asInstanceOf[T])
+			given t: RequestItemClass = RequestItemClass(classTag[T].runtimeClass)
+			given u: FolderClass = FolderClass(Some(classTag[O].runtimeClass))
+			variablesWithOwner get u.clazz.get match
+				case Some(varColl) => varColl get t.clazz match
+					case Some(i) => Right(i.asInstanceOf[T])
+					case None => Left(ContextNotGivenException())
 				case None => Left(ContextNotGivenException())
 		def use [T: ClassTag, U] (consumer: T => U): ConsumeResult[U] =
 			use[T] match

src/main/scala/cc/sukazyo/cono/morny/util/UseStacks.scala

@@ -0,0 +1,20 @@
+package cc.sukazyo.cono.morny.util
+
+import cc.sukazyo.messiva.utils.StackUtils
+
+import scala.reflect.{classTag, ClassTag}
+import scala.util.boundary
+
+object UseStacks {
+	
+	def getStackHeadBeforeClass[T: ClassTag]: StackTraceElement = {
+		boundary {
+			for (stack <- StackUtils.getStackTrace(1)) {
+				if (!stack.getClassName.startsWith(classTag[T].runtimeClass.getName))
+					boundary break stack
+			}
+			StackTraceElement("unknown", "unknown", "unknown", -1)
+		}
+	}
+	
+}