Remove unused private member

Author: ghostbuster91

compiler/src/dotty/tools/dotc/reporting/messages.scala

@@ -3205,7 +3205,7 @@ extends Message(UnusedSymbolID) {
 }
 
 object UnusedSymbol {
-    private def removeLocalDefAction(treePos: SourcePosition)(using Context): List[CodeAction] = {
+    private def removeDefinitionAtPos(treePos: SourcePosition)(using Context): List[CodeAction] = {
       val source = treePos.source
       val sourcePos = treePos.sourcePos
       val endLine = source.offsetToLine(sourcePos.end - 1)
@@ -3226,9 +3226,9 @@ object UnusedSymbol {
       )
     }
     def imports(treePos: SourcePosition)(using Context): UnusedSymbol = new UnusedSymbol(treePos, i"unused import", List.empty)
-    def localDefs(treePos: SourcePosition)(using Context): UnusedSymbol = new UnusedSymbol(treePos, i"unused local definition", removeLocalDefAction(treePos))
+    def localDefs(treePos: SourcePosition)(using Context): UnusedSymbol = new UnusedSymbol(treePos, i"unused local definition", removeDefinitionAtPos(treePos))
     def explicitParams(treePos: SourcePosition)(using Context): UnusedSymbol = new UnusedSymbol(treePos, i"unused explicit parameter", List.empty)
     def implicitParams(treePos: SourcePosition)(using Context): UnusedSymbol = new UnusedSymbol(treePos, i"unused implicit parameter", List.empty)
-    def privateMembers(treePos: SourcePosition)(using Context): UnusedSymbol = new UnusedSymbol(treePos, i"unused private member", List.empty)
+    def privateMembers(treePos: SourcePosition)(using Context): UnusedSymbol = new UnusedSymbol(treePos, i"unused private member", removeDefinitionAtPos(treePos))
     def patVars(treePos: SourcePosition)(using Context): UnusedSymbol = new UnusedSymbol(treePos, i"unused pattern variable", List.empty)
 }

compiler/test/dotty/tools/dotc/reporting/CodeActionTest.scala

@@ -153,6 +153,49 @@ class CodeActionTest extends DottyTest:
          afterPhase = "checkUnusedPostInlining"
       )
 
+  @Test def removeUnusedLocalDefinitionBlock =
+    checkCodeAction(
+      code = """object Test:
+         |  def foo(): Int = {
+         |    val a = {
+         |      456
+         |    }
+         |    123
+         |  }
+         |""".stripMargin,
+      title = "Remove unused code",
+      expected = """object Test:
+         |  def foo(): Int = {
+         |    123
+         |  }
+         |""".stripMargin , 
+         afterPhase = "checkUnusedPostInlining"
+      )
+
+  @Test def removeUnusedPrivateMember =
+    checkCodeAction(
+      code = """object Test:
+         | private def foo: String = "123"
+         |""".stripMargin,
+      title = "Remove unused code",
+      expected = """object Test:
+         |""".stripMargin , 
+         afterPhase = "checkUnusedPostInlining"
+      )
+
+  @Test def removeUnusedPrivateMemberBlock =
+    checkCodeAction(
+      code = """object Test:
+         | private def foo: String = {
+         |   println("hello")
+         |   "456"
+         | }
+         |""".stripMargin,
+      title = "Remove unused code",
+      expected = """object Test:
+         |""".stripMargin , 
+         afterPhase = "checkUnusedPostInlining"
+      )
 
   // Make sure we're not using the default reporter, which is the ConsoleReporter,
   // meaning they will get reported in the test run and that's it.