InternalTrees: don't keep token cache per tree (#3652)

There's already a token cache per input, so this is excessive and unnecessary. First introduced in #3484.
scalameta · Mar 16, 2024 · f2111c6 · f2111c6
1 parent 1c1dd4f
commit f2111c6
Showing 1 changed file with 1 addition and 9 deletions.
diff --git a/scalameta/trees/shared/src/main/scala/scala/meta/internal/trees/InternalTrees.scala b/scalameta/trees/shared/src/main/scala/scala/meta/internal/trees/InternalTrees.scala
@@ -2,9 +2,7 @@ package scala.meta
 package internal
 package trees
 
-import scala.collection.mutable
 import scala.meta.inputs._
-import scala.meta.internal.tokenizers.Compat
 import scala.meta.internal.prettyprinters.TreeSyntax
 import scala.meta.tokenizers._
 import scala.meta.tokens._
@@ -66,13 +64,7 @@ trait InternalTree extends Product {
   }
 
   def tokenizeFor(dialect: Dialect): Tokens =
-    if (origin.dialectOpt.contains(dialect)) tokensOpt.get else lookupOrTokenizeFor(dialect)
-
-  private val tokenCache: mutable.Map[Dialect, Tokens] =
-    Compat.newMutableMap[Dialect, Tokens]
-
-  private def lookupOrTokenizeFor(dialect: Dialect): Tokens =
-    tokenCache.getOrElseUpdate(dialect, tokenizeForDialect(dialect))
+    if (origin.dialectOpt.contains(dialect)) tokensOpt.get else tokenizeForDialect(dialect)
 
   private lazy val tokensOpt: Option[Tokens] =
     origin.tokensOpt.orElse(origin.dialectOpt.map(tokenizeForDialect))