fix: workaround for printing Tuple1

scalameta · Oct 23, 2023 · 728623b · 728623b
1 parent b638964
commit 728623b
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Showing 2 changed files with 15 additions and 1 deletion.
diff --git a/mtags/src/main/scala-2/scala/meta/internal/pc/MetalsGlobal.scala b/mtags/src/main/scala-2/scala/meta/internal/pc/MetalsGlobal.scala
@@ -282,11 +282,13 @@ class MetalsGlobal(
       val result = tpe match {
         case TypeRef(pre, sym, args) =>
           def shortSymbol = {
+            // workaround for Tuple1 (which is incorrectly printed by Scala 2 compiler)
+            def isTuple1 = sym == definitions.TupleClass(1)
             /* If it's an alias type we want to prevent dealiasing it
                AnyRef should stay to be dropped if neded later on since it's
                not an important class.
              */
-            if (sym.isAliasType && sym != definitions.AnyRefClass)
+            if ((sym.isAliasType && sym != definitions.AnyRefClass) || isTuple1)
               backtickify(sym.newErrorSymbol(sym.name).updateInfo(sym.info))
             else backtickify(sym)
           }

diff --git a/tests/cross/src/test/scala/tests/pc/InsertInferredTypeSuite.scala b/tests/cross/src/test/scala/tests/pc/InsertInferredTypeSuite.scala
@@ -884,6 +884,18 @@ class InsertInferredTypeSuite extends BaseCodeActionSuite {
        |""".stripMargin,
   )
 
+  checkEdit(
+    "tuple1",
+    """|object A {
+       |  val <<v>> = List.empty[Tuple1[Int]]
+       |}
+       |""".stripMargin,
+    """|object A {
+       |  val v: List[Tuple1[Int]] = List.empty[Tuple1[Int]]
+       |}
+       |""".stripMargin,
+  )
+
   def checkEdit(
       name: TestOptions,
       original: String,