From 3cef32b1ca4231d660419cb00f55075127ea173f Mon Sep 17 00:00:00 2001
From: Tomasz Godzik <tgodzik@virtuslab.com>
Date: Mon, 16 Oct 2023 16:38:43 +0200
Subject: [PATCH] chore: Take into account charset

---
 .../meta/internal/metals/InteractiveSemanticdbs.scala      | 4 +++-
 .../scala/meta/internal/metals/MetalsLspService.scala      | 1 +
 .../meta/internal/mtags/ScalametaCommonEnrichments.scala   | 7 ++++++-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/metals/src/main/scala/scala/meta/internal/metals/InteractiveSemanticdbs.scala b/metals/src/main/scala/scala/meta/internal/metals/InteractiveSemanticdbs.scala
index bbd9cb2306e..fe8d9a78050 100644
--- a/metals/src/main/scala/scala/meta/internal/metals/InteractiveSemanticdbs.scala
+++ b/metals/src/main/scala/scala/meta/internal/metals/InteractiveSemanticdbs.scala
@@ -1,5 +1,6 @@
 package scala.meta.internal.metals
 
+import java.nio.charset.Charset
 import java.util.Collections
 import java.util.concurrent.atomic.AtomicReference
 
@@ -32,6 +33,7 @@ import org.eclipse.{lsp4j => l}
 final class InteractiveSemanticdbs(
     workspace: AbsolutePath,
     buildTargets: BuildTargets,
+    charset: Charset,
     client: MetalsLanguageClient,
     tables: Tables,
     statusBar: StatusBar,
@@ -86,7 +88,7 @@ final class InteractiveSemanticdbs(
         source,
         (path, existingDoc) => {
           unsavedContents.orElse(buffers.get(source).orElse {
-            if (source.exists) Some(source.readText)
+            if (source.exists) Some(source.readText(charset))
             else None
           }) match {
             case None => null
diff --git a/metals/src/main/scala/scala/meta/internal/metals/MetalsLspService.scala b/metals/src/main/scala/scala/meta/internal/metals/MetalsLspService.scala
index 7f621603b24..a98a9308318 100644
--- a/metals/src/main/scala/scala/meta/internal/metals/MetalsLspService.scala
+++ b/metals/src/main/scala/scala/meta/internal/metals/MetalsLspService.scala
@@ -359,6 +359,7 @@ class MetalsLspService(
       new InteractiveSemanticdbs(
         folder,
         buildTargets,
+        charset,
         languageClient,
         tables,
         statusBar,
diff --git a/mtags/src/main/scala/scala/meta/internal/mtags/ScalametaCommonEnrichments.scala b/mtags/src/main/scala/scala/meta/internal/mtags/ScalametaCommonEnrichments.scala
index 29968293341..42c53dd498f 100644
--- a/mtags/src/main/scala/scala/meta/internal/mtags/ScalametaCommonEnrichments.scala
+++ b/mtags/src/main/scala/scala/meta/internal/mtags/ScalametaCommonEnrichments.scala
@@ -1,6 +1,7 @@
 package scala.meta.internal.mtags
 
 import java.net.URI
+import java.nio.charset.Charset
 import java.nio.charset.StandardCharsets
 import java.nio.file.Files
 import java.nio.file.Path
@@ -285,8 +286,12 @@ trait ScalametaCommonEnrichments extends CommonMtagsEnrichments {
       }
     }
 
+    def readText(charset: Charset): String = {
+      FileIO.slurp(path, charset)
+    }
+
     def readText: String = {
-      FileIO.slurp(path, StandardCharsets.UTF_8)
+      readText(StandardCharsets.UTF_8)
     }
 
     def readTextOpt: Option[String] = {