Add InlineByNameProxy flag conjunction

Author: nicolasstucki

compiler/src/dotty/tools/dotc/core/Flags.scala

@@ -608,6 +608,9 @@ object Flags {
   /** An inline method */
   final val InlineMethod: FlagConjunction = allOf(Inline, Method)
 
+  /** An inline by-name parameter proxy */
+  final val InlineByNameProxy: FlagConjunction = allOf(InlineProxy, Method)
+
   /** An inline parameter */
   final val InlineParam: FlagConjunction = allOf(Inline, Param)
 

compiler/src/dotty/tools/dotc/transform/Splicer.scala

@@ -8,7 +8,7 @@ import dotty.tools.dotc.ast.tpd
 import dotty.tools.dotc.ast.Trees._
 import dotty.tools.dotc.core.Contexts._
 import dotty.tools.dotc.core.Decorators._
-import dotty.tools.dotc.core.Flags.{Method => MethodFlag, _}
+import dotty.tools.dotc.core.Flags._
 import dotty.tools.dotc.core.NameKinds.FlatName
 import dotty.tools.dotc.core.Names.{Name, TermName}
 import dotty.tools.dotc.core.StdNames._
@@ -313,7 +313,7 @@ object Splicer {
     protected final def interpretTree(tree: Tree)(implicit env: Env): Result = tree match {
       case Apply(TypeApply(fn, _), quoted :: Nil) if fn.symbol == defn.QuotedExpr_apply =>
         val quoted1 = quoted match {
-          case quoted: Ident if quoted.symbol.is(InlineProxy) && quoted.symbol.is(MethodFlag) =>
+          case quoted: Ident if quoted.symbol.is(InlineByNameProxy) =>
             // inline proxy for by-name parameter
             quoted.symbol.defTree.asInstanceOf[DefDef].rhs
           case Inlined(EmptyTree, _, quoted) => quoted

compiler/src/dotty/tools/dotc/typer/Inliner.scala

@@ -253,7 +253,7 @@ class Inliner(call: tpd.Tree, rhsToInline: tpd.Tree)(implicit ctx: Context) {
     var inlineFlag = InlineProxy
     if (paramtp.hasAnnotation(defn.InlineParamAnnot)) inlineFlag |= Inline
     val (bindingFlags, bindingType) =
-      if (isByName) (Method | InlineProxy, ExprType(argtpe.widen))
+      if (isByName) (InlineByNameProxy.toTermFlags, ExprType(argtpe.widen))
       else (inlineFlag, argtpe.widen)
     val boundSym = newSym(name, bindingFlags, bindingType).asTerm
     val binding = {