Added previously missing occurrences for classOf symbol, related to s…

…calameta#1909

semanticdb/integration/src/main/scala/example/InstrumentTyper.scala

@@ -17,7 +17,8 @@ class InstrumentTyper { self: AnyRef =>
     Literal.bool,
     Literal.unit,
     Literal.javaEnum,
-    Literal.clazzOf,
+    Literal.clazzOfInt,
+    Literal.clazzOfOption,
     List()
   )
   def existential: U[Int] forSome { type U[T <: Int] } = ???

semanticdb/integration/src/main/scala/example/Types.scala

@@ -111,6 +111,8 @@ object Test {
     final val bool = true
     final val unit = ()
     final val javaEnum = java.nio.file.LinkOption.NOFOLLOW_LINKS
-    final val clazzOf = classOf[Option[Int]]
+    final val clazzOfInt = classOf[Int]
+    final val clazzOfOption = classOf[Option[Int]]
+
   }
 }

semanticdb/scalac/library/src/main/scala/scala/meta/internal/semanticdb/scalac/TextDocumentOps.scala

@@ -604,6 +604,14 @@ trait TextDocumentOps { self: SemanticdbOps =>
               case _ =>
             }
 
+            def isClassOf(pos: m.Position): Boolean = {
+              val chars = pos.input.chars
+              val classOfChars = "classOf".toCharArray
+
+              chars.length >= (classOfChars.length + pos.start) &&
+              (0 until classOfChars.length).forall(i => chars(i + pos.start) == classOfChars(i))
+            }
+
             gtree match {
               case OriginalTreeOf(original) =>
                 traverse(original)
@@ -635,6 +643,17 @@ trait TextDocumentOps { self: SemanticdbOps =>
               case gtree: g.TypeTreeWithDeferredRefCheck =>
                 traverse(gtree.check())
 
+              case gtree: g.Literal
+                  if isClassOf(gtree.pos.toMeta) &&
+                    gtree.tpe != null &&
+                    gtree.tpe.typeSymbol == g.definitions.ClassClass &&
+                    gtree.pos.isRange =>
+                val coLen = "classOf".length
+                val mpos = gtree.pos.toMeta
+                val mposFix = new m.Position.Range(mpos.input, mpos.start, mpos.start + coLen)
+
+                occurrences(mposFix) = "scala/Predef.classOf()."
+
               case gtree: g.MemberDef =>
                 gtree.symbol.annotations.foreach(ann => traverse(ann.original))
                 tryFindMtree(gtree)

tests/jvm/src/test/resources/example/InstrumentTyper.scala

@@ -17,11 +17,12 @@ class InstrumentTyper/*<=example.InstrumentTyper#*/ { self/*<=local0*/: AnyRef =
     Literal/*=>types.Test.Literal.*/.bool/*=>types.Test.Literal.bool.*/,
     Literal/*=>types.Test.Literal.*/.unit/*=>types.Test.Literal.unit.*/,
     Literal/*=>types.Test.Literal.*/.javaEnum/*=>types.Test.Literal.javaEnum.*/,
-    Literal/*=>types.Test.Literal.*/.clazzOf/*=>types.Test.Literal.clazzOf.*/,
+    Literal/*=>types.Test.Literal.*/.clazzOfInt/*=>types.Test.Literal.clazzOfInt.*/,
+    Literal/*=>types.Test.Literal.*/.clazzOfOption/*=>types.Test.Literal.clazzOfOption.*/,
     List/*=>scala.collection.immutable.Nil.*/()
   )
   def existential/*<=example.InstrumentTyper#existential().*/: U/*=>local1*/[Int/*=>scala.Int#*/] forSome { type U/*<=local1*/[T/*<=local2*/ <: Int] } = ???/*=>scala.Predef.`???`().*/
   type AnnotatedType/*<=example.InstrumentTyper#AnnotatedType#*/ = Int/*=>scala.Int#*/ @param
   def singletonType/*<=example.InstrumentTyper#singletonType().*/(x/*<=example.InstrumentTyper#singletonType().(x)*/: Predef.type) = ???/*=>scala.Predef.`???`().*/
-  final val clazzOf/*<=example.InstrumentTyper#clazzOf.*/ = classOf[Option[Int]]
+  final val clazzOf/*<=example.InstrumentTyper#clazzOf.*/ = classOf/*=>scala.Predef.classOf().*/[Option[Int]]
 }

tests/jvm/src/test/resources/example/Types.scala

@@ -111,6 +111,8 @@ object Test/*<=types.Test.*/ {
     final val bool/*<=types.Test.Literal.bool.*/ = true
     final val unit/*<=types.Test.Literal.unit.*/ = ()
     final val javaEnum/*<=types.Test.Literal.javaEnum.*/ = java.nio.file.LinkOption/*=>java.nio.file.LinkOption#*/.NOFOLLOW_LINKS/*=>java.nio.file.LinkOption#NOFOLLOW_LINKS.*/
-    final val clazzOf/*<=types.Test.Literal.clazzOf.*/ = classOf[Option[Int]]
+    final val clazzOfInt/*<=types.Test.Literal.clazzOfInt.*/ = classOf/*=>scala.Predef.classOf().*/[Int]
+    final val clazzOfOption/*<=types.Test.Literal.clazzOfOption.*/ = classOf/*=>scala.Predef.classOf().*/[Option[Int]]
+
   }
 }

tests/jvm/src/test/resources/metac.expect

@@ -1712,7 +1712,7 @@ Uri => semanticdb/integration/src/main/scala/example/InstrumentTyper.scala
 Text => non-empty
 Language => Scala
 Symbols => 11 entries
-Occurrences => 53 entries
+Occurrences => 56 entries
 Synthetics => 1 entries
 
 Symbols:
@@ -1787,20 +1787,23 @@ Occurrences:
 [18:4..18:11): Literal => types/Test.Literal.
 [18:12..18:20): javaEnum => types/Test.Literal.javaEnum.
 [19:4..19:11): Literal => types/Test.Literal.
-[19:12..19:19): clazzOf => types/Test.Literal.clazzOf.
-[20:4..20:8): List => scala/collection/immutable/Nil.
-[22:6..22:17): existential <= example/InstrumentTyper#existential().
-[22:19..22:20): U => local1
-[22:21..22:24): Int => scala/Int#
-[22:41..22:42): U <= local1
-[22:43..22:44): T <= local2
-[22:57..22:60): ??? => scala/Predef.`???`().
-[23:7..23:20): AnnotatedType <= example/InstrumentTyper#AnnotatedType#
-[23:23..23:26): Int => scala/Int#
-[24:6..24:19): singletonType <= example/InstrumentTyper#singletonType().
-[24:20..24:21): x <= example/InstrumentTyper#singletonType().(x)
-[24:38..24:41): ??? => scala/Predef.`???`().
-[25:12..25:19): clazzOf <= example/InstrumentTyper#clazzOf.
+[19:12..19:22): clazzOfInt => types/Test.Literal.clazzOfInt.
+[20:4..20:11): Literal => types/Test.Literal.
+[20:12..20:25): clazzOfOption => types/Test.Literal.clazzOfOption.
+[21:4..21:8): List => scala/collection/immutable/Nil.
+[23:6..23:17): existential <= example/InstrumentTyper#existential().
+[23:19..23:20): U => local1
+[23:21..23:24): Int => scala/Int#
+[23:41..23:42): U <= local1
+[23:43..23:44): T <= local2
+[23:57..23:60): ??? => scala/Predef.`???`().
+[24:7..24:20): AnnotatedType <= example/InstrumentTyper#AnnotatedType#
+[24:23..24:26): Int => scala/Int#
+[25:6..25:19): singletonType <= example/InstrumentTyper#singletonType().
+[25:20..25:21): x <= example/InstrumentTyper#singletonType().(x)
+[25:38..25:41): ??? => scala/Predef.`???`().
+[26:12..26:19): clazzOf <= example/InstrumentTyper#clazzOf.
+[26:22..26:29): classOf => scala/Predef.classOf().
 
 Synthetics:
 [8:12..8:16): List => *.apply[Any]
@@ -3677,8 +3680,8 @@ Schema => SemanticDB v4
 Uri => semanticdb/integration/src/main/scala/example/Types.scala
 Text => non-empty
 Language => Scala
-Symbols => 139 entries
-Occurrences => 246 entries
+Symbols => 140 entries
+Occurrences => 249 entries
 
 Symbols:
 local0 => abstract method k: Int
@@ -3946,11 +3949,14 @@ types/Test.C#typeRef4. => val method typeRef4: List[Int]
 types/Test.C#x. => val method x: p.X
   p => types/Test.C#p.
   X => types/P#X#
-types/Test.Literal. => final object Literal extends AnyRef { +11 decls }
+types/Test.Literal. => final object Literal extends AnyRef { +12 decls }
   AnyRef => scala/AnyRef#
 types/Test.Literal.bool. => final val method bool: true
 types/Test.Literal.char. => final val method char: 'a'
-types/Test.Literal.clazzOf. => final val method clazzOf: Class[Option[Int]]
+types/Test.Literal.clazzOfInt. => final val method clazzOfInt: Class[Int]
+  Class => java/lang/Class#
+  Int => scala/Int#
+types/Test.Literal.clazzOfOption. => final val method clazzOfOption: Class[Option[Int]]
   Class => java/lang/Class#
   Option => scala/Option#
   Int => scala/Int#
@@ -4240,7 +4246,10 @@ Occurrences:
 [112:34..112:38): file => java/nio/file/
 [112:39..112:49): LinkOption => java/nio/file/LinkOption#
 [112:50..112:64): NOFOLLOW_LINKS => java/nio/file/LinkOption#NOFOLLOW_LINKS.
-[113:14..113:21): clazzOf <= types/Test.Literal.clazzOf.
+[113:14..113:24): clazzOfInt <= types/Test.Literal.clazzOfInt.
+[113:27..113:34): classOf => scala/Predef.classOf().
+[114:14..114:27): clazzOfOption <= types/Test.Literal.clazzOfOption.
+[114:30..114:37): classOf => scala/Predef.classOf().
 
 semanticdb/integration/src/main/scala/example/ValPattern.scala
 --------------------------------------------------------------

tests/jvm/src/test/resources/metacp.expect

@@ -3303,7 +3303,7 @@ Schema => SemanticDB v4
 Uri => types/Test.class
 Text => empty
 Language => Scala
-Symbols => 101 entries
+Symbols => 102 entries
 
 Symbols:
 types/Test. => final object Test extends AnyRef { +4 decls }
@@ -3516,11 +3516,14 @@ types/Test.C#typeRef4. => val method typeRef4: List[Int]
 types/Test.C#x. => val method x: p.X
   p => types/Test.C#p.
   X => types/P#X#
-types/Test.Literal. => final object Literal extends AnyRef { +11 decls }
+types/Test.Literal. => final object Literal extends AnyRef { +12 decls }
   AnyRef => scala/AnyRef#
 types/Test.Literal.bool. => final val method bool: true
 types/Test.Literal.char. => final val method char: 'a'
-types/Test.Literal.clazzOf. => final val method clazzOf: Class[Option[Int]]
+types/Test.Literal.clazzOfInt. => final val method clazzOfInt: Class[Int]
+  Class => java/lang/Class#
+  Int => scala/Int#
+types/Test.Literal.clazzOfOption. => final val method clazzOfOption: Class[Option[Int]]
   Class => java/lang/Class#
   Option => scala/Option#
   Int => scala/Int#