Make package objects present in source

compiler/src/dotty/tools/dotc/semanticdb/ExtractSemanticDB.scala

@@ -324,7 +324,8 @@ class ExtractSemanticDB extends Phase:
           if content.lift(span.end - 1).map(_ == '`').getOrElse(false) then
             (span.start + 1, span.end - 1)
           else (span.start, span.end)
-        content.slice(start, end).mkString == sym.name.stripModuleClassSuffix.lastPart.toString
+        val target = if sym.isPackageObject then sym.owner else sym
+        content.slice(start, end).mkString == target.name.stripModuleClassSuffix.lastPart.toString
 
     private def spanOfSymbol(sym: Symbol, span: Span, treeSource: SourceFile)(using Context): Span =
       val contents = if treeSource.exists then treeSource.content() else Array.empty[Char]

tests/semanticdb/expect/EndMarkers2.expect.scala

@@ -1,7 +1,7 @@
-package object endmarkers2:
+package object endmarkers2/*<-endmarkers2::package.*/:
 
   type Foo/*<-endmarkers2::package.Foo#*/ =
     Unit/*->scala::Unit#*/
   end Foo/*->endmarkers2::package.Foo#*/
 
-end endmarkers2
+end endmarkers2/*->endmarkers2::package.*/

tests/semanticdb/expect/semanticdb-Flags.expect.scala

@@ -2,7 +2,7 @@ package flags
 
 import scala.language/*->scala::language.*/.experimental/*->scala::language.experimental.*/.macros/*->scala::language.experimental.macros.*/
 
-package object p {
+package object p/*<-flags::p::package.*/ {
   private lazy val x/*<-flags::p::package.x.*/ = 1
   protected implicit var y/*<-flags::p::package.y().*/: Int/*->scala::Int#*/ = 2
   def z/*<-flags::p::package.z().*/(pp/*<-flags::p::package.z().(pp)*/: Int/*->scala::Int#*/) = 3

tests/semanticdb/expect/toplevel.expect.scala

@@ -4,4 +4,4 @@ def combine/*<-_empty_::toplevel$package.combine(+1).*/(x/*<-_empty_::toplevel$p
 def combine/*<-_empty_::toplevel$package.combine(+2).*/ = 0
 def foo/*<-_empty_::toplevel$package.foo().*/ = "foo"
 @main/*->scala::main#*/ def MyProgram/*<-_empty_::toplevel$package.MyProgram().*/(times/*<-_empty_::toplevel$package.MyProgram().(times)*/: Int/*->scala::Int#*/): Unit/*->scala::Unit#*/ = (1 to/*->scala::runtime::RichInt#to().*/ times/*->_empty_::toplevel$package.MyProgram().(times)*/) foreach/*->scala::collection::immutable::Range#foreach().*/ (_ => println/*->scala::Predef.println(+1).*/("hello"))
-def fooRef/*<-_empty_::toplevel$package.fooRef().*/ = toplevel$package/*->_empty_::toplevel$package.*/.foo/*->_empty_::toplevel$package.foo().*/
+def fooRef/*<-_empty_::toplevel$package.fooRef().*/ = toplevel$package.foo/*->_empty_::toplevel$package.foo().*/

tests/semanticdb/metac.expect

@@ -734,16 +734,18 @@ Uri => EndMarkers2.scala
 Text => empty
 Language => Scala
 Symbols => 2 entries
-Occurrences => 3 entries
+Occurrences => 5 entries
 
 Symbols:
 endmarkers2/package. => final package object endmarkers2 extends Object { self: endmarkers2.type => +2 decls }
 endmarkers2/package.Foo# => type Foo  = Unit
 
 Occurrences:
+[0:15..0:26): endmarkers2 <- endmarkers2/package.
 [2:7..2:10): Foo <- endmarkers2/package.Foo#
 [3:4..3:8): Unit -> scala/Unit#
 [4:6..4:9): Foo -> endmarkers2/package.Foo#
+[6:4..6:15): endmarkers2 -> endmarkers2/package.
 
 expect/EnumVal.scala
 --------------------
@@ -3877,7 +3879,7 @@ Uri => semanticdb-Flags.scala
 Text => empty
 Language => Scala
 Symbols => 50 entries
-Occurrences => 70 entries
+Occurrences => 71 entries
 
 Symbols:
 flags/p/package. => final package object p extends Object { self: p.type => +23 decls }
@@ -3937,6 +3939,7 @@ Occurrences:
 [2:13..2:21): language -> scala/language.
 [2:22..2:34): experimental -> scala/language.experimental.
 [2:35..2:41): macros -> scala/language.experimental.macros.
+[4:15..4:16): p <- flags/p/package.
 [5:2..5:3): p -> flags/p/
 [5:19..5:20): x <- flags/p/package.x.
 [6:25..6:26): y <- flags/p/package.y().
@@ -4447,7 +4450,7 @@ Uri => toplevel.scala
 Text => empty
 Language => Scala
 Symbols => 19 entries
-Occurrences => 35 entries
+Occurrences => 34 entries
 
 Symbols:
 _empty_/MyProgram# => final class MyProgram extends Object { self: MyProgram => +2 decls }
@@ -4504,6 +4507,5 @@ Occurrences:
 [5:53..5:60): foreach -> scala/collection/immutable/Range#foreach().
 [5:67..5:74): println -> scala/Predef.println(+1).
 [6:4..6:10): fooRef <- _empty_/toplevel$package.fooRef().
-[6:13..6:29): toplevel$package -> _empty_/toplevel$package.
 [6:30..6:33): foo -> _empty_/toplevel$package.foo().