Add distinction between var and val

Author: felixmulder

doc-tool/src/dotty/tools/dottydoc/core/DocASTPhase.scala

@@ -63,12 +63,14 @@ class DocASTPhase extends Phase {
           }.toList
 
         val vals = sym.info.fields.filterNot(_.symbol.is(Flags.Private | Flags.Synthetic)).map { value =>
+          val kind = if (value.symbol.is(Flags.Mutable)) "var" else "val"
           ValImpl(
             value.symbol,
             annotations(value.symbol),
             value.symbol.name.show,
             Nil, path(value.symbol),
             returnType(value.info),
+            kind,
             implicitlyAddedFrom = Some(returnType(value.symbol.owner.info))
           )
         }
@@ -115,7 +117,8 @@ class DocASTPhase extends Phase {
 
       /** val */
       case v: ValDef if !v.symbol.is(Flags.ModuleVal) =>
-        ValImpl(v.symbol, annotations(v.symbol), v.name.decode.toString, flags(v), path(v.symbol), returnType(v.tpt.tpe))
+        val kind = if (v.symbol.is(Flags.Mutable)) "var" else "val"
+        ValImpl(v.symbol, annotations(v.symbol), v.name.decode.toString, flags(v), path(v.symbol), returnType(v.tpt.tpe), kind)
 
       case x => {
         //dottydoc.println(s"Found unwanted entity: $x (${x.pos},\n${x.show}")

doc-tool/src/dotty/tools/dottydoc/core/MiniPhaseTransform.scala

@@ -179,6 +179,7 @@ object transform {
             vl.modifiers,
             vl.path,
             vl.returnValue,
+            vl.kind,
             vl.comment,
             vl.implicitlyAddedFrom
           )

doc-tool/src/dotty/tools/dottydoc/model/entities.scala

@@ -108,13 +108,7 @@ trait Def extends Entity with Modifiers with TypeParams with ReturnValue with Im
   def paramLists: List[ParamList]
 }
 
-trait Val extends Entity with Modifiers with ReturnValue with ImplicitlyAddedEntity {
-  val kind = "val"
-}
-
-trait Var extends Entity with Modifiers with ReturnValue {
-  val kind = "var"
-}
+trait Val extends Entity with Modifiers with ReturnValue with ImplicitlyAddedEntity
 
 trait NonEntity extends Entity {
   val annotations = Nil

doc-tool/src/dotty/tools/dottydoc/model/internal.scala

@@ -100,6 +100,7 @@ object internal {
     modifiers: List[String],
     path: List[String],
     returnValue: Reference,
+    kind: String,
     var comment: Option[Comment] = None,
     implicitlyAddedFrom: Option[Reference] = None
   ) extends Val with Impl