Fixes scaladoc rangepos

By making the comment tree node transparent. Reverts previous change
in cfb04ef065. Will mark the bug 5527 as WONTFIX, because the effort
of fixing leaking comments is too great.

3 files changed, 154 insertions, 9 deletions

diff --git a/src/compiler/scala/tools/nsc/ast/parser/Parsers.scala b/src/compiler/scala/tools/nsc/ast/parser/Parsers.scala
index 0e5f9ee80e..077f0f9c0e 100644
--- a/src/compiler/scala/tools/nsc/ast/parser/Parsers.scala
+++ b/src/compiler/scala/tools/nsc/ast/parser/Parsers.scala
@@ -658,7 +658,8 @@ self =>
             DocDef(doc, t) setPos {
               if (t.pos.isDefined) {
                 val pos = doc.pos.withEnd(t.pos.endOrPoint)
-                if (t.pos.isOpaqueRange) pos else pos.makeTransparent
+                // always make the position transparent
+                pos.makeTransparent
               } else {
                 t.pos
               }
@@ -2967,9 +2968,9 @@ self =>
       val annots = annotations(true)
       val pos = in.offset
       val mods = (localModifiers() | implicitMod) withAnnotations annots
-      val defs = joinComment( // for SI-5527
+      val defs =
         if (!(mods hasFlag ~(Flags.IMPLICIT | Flags.LAZY))) defOrDcl(pos, mods)
-        else List(tmplDef(pos, mods)))
+        else List(tmplDef(pos, mods))
 
       in.token match {
         case RBRACE | CASE  => defs :+ (Literal(Constant()) setPos o2p(in.offset))
diff --git a/test/files/run/t5527.check b/test/files/run/t5527.check
index bdd5ac8295..4a8a9ce602 100644
--- a/test/files/run/t5527.check
+++ b/test/files/run/t5527.check
@@ -1,11 +1,12 @@
 [[syntax trees at end of parser]]// Scala source: newSource1
 package <empty> {
-  abstract trait Test extends scala.ScalaObject {
-    def $init$() = {
+  object UselessComments extends scala.ScalaObject {
+    def <init>() = {
+      super.<init>();
       ()
     };
-    def sth: scala.Unit = {
-      /** Some comment here */
+    var z = 0;
+    def test1 = {
       object Maybe extends scala.ScalaObject {
         def <init>() = {
           super.<init>();
@@ -15,6 +16,83 @@ package <empty> {
         def nothing() = ()
       };
       ()
+    };
+    def test2 = {
+      var x = 4;
+      if (true)
+        {
+          x = 5;
+          val y = 6;
+          ()
+        }
+      else
+        ()
+    };
+    def test3 = {
+      if (true)
+        z = 3
+      else
+        ();
+      val t = 4;
+      0.to(4).foreach(((i) => println(i)))
+    };
+    val test4 = 'a' match {
+      case ('0'| '1'| '2'| '3'| '4'| '5'| '6'| '7'| '8'| '9') => true
+      case _ => false
+    }
+  };
+  /** comments that we should keep */
+  object UsefulComments extends scala.ScalaObject {
+    def <init>() = {
+      super.<init>();
+      ()
+    };
+    /** class A */
+    class A extends scala.ScalaObject {
+      def <init>() = {
+        super.<init>();
+        ()
+      };
+      /** f */
+      def f(i: Int) = i;
+      /** v */
+      val v = 1;
+      /** u */
+      var u = 2
+    };
+    /** trait B */
+    abstract trait B extends scala.ScalaObject {
+      def $init$() = {
+        ()
+      };
+      /** T */
+      type T >: _root_.scala.Nothing <: _root_.scala.Any;
+      /** f */
+      def f(i: Int): scala.Unit;
+      /** v */
+      val v = 1;
+      /** u */
+      var u = 2
+    };
+    /** object C */
+    object C extends scala.ScalaObject {
+      def <init>() = {
+        super.<init>();
+        ()
+      };
+      /** f */
+      def f(i: Int) = i;
+      /** v */
+      val v = 1;
+      /** u */
+      var u = 2
+    };
+    /** class D */
+    @new deprecated("use ... instead", "2.10.0") class D extends scala.ScalaObject {
+      def <init>() = {
+        super.<init>();
+        ()
+      }
     }
   }
 }
diff --git a/test/files/run/t5527.scala b/test/files/run/t5527.scala
index 8280ee06ba..2449ff60c3 100644
--- a/test/files/run/t5527.scala
+++ b/test/files/run/t5527.scala
@@ -11,14 +11,80 @@ object Test extends DirectTest {
 
   override def code = """
     // SI-5527
-    trait Test {
-      def sth {
+    object UselessComments {
+
+      var z = 0
+
+      def test1 = {
         /** Some comment here */
         object Maybe {
           /** Some comment inside */
           def nothing() = ()
         }
       }
+
+      def test2 = {
+        var x = 4
+        if (true) {
+          /** Testing 123 */
+          x = 5
+          val y = 6
+        }
+      }
+
+      def test3 = {
+        if (true)
+         z = 3
+
+        /** Calculate this result. */
+        val t = 4
+        for (i <- 0 to 4)
+          println(i)
+      }
+
+      val test4 = ('a') match {
+        /** Another digit is a giveaway. */
+        case '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9'  =>
+          true
+        case _ =>
+          false
+      }
+    }
+
+    /** comments that we should keep */
+    object UsefulComments {
+      /** class A */
+      class A {
+        /** f */
+        def f(i: Int) = i
+        /** v */
+        val v = 1
+        /** u */
+        var u = 2
+      }     
+      /** trait B */
+      trait B {
+        /** T */
+        type T
+        /** f */
+        def f(i: Int)
+        /** v */
+        val v = 1
+        /** u */
+        var u = 2
+      }     
+      /** object C */
+      object C {
+        /** f */
+        def f(i: Int) = i
+        /** v */
+        val v = 1
+        /** u */
+        var u = 2
+      }
+      /** class D */
+      @deprecated("use ... instead", "2.10.0")
+      class D
     }
   """.trim