1 files changed, 23 insertions, 0 deletions
diff --git a/compiler/semtempl.nim b/compiler/semtempl.nim
index 8e36aac20..1444255ff 100755
--- a/compiler/semtempl.nim
+++ b/compiler/semtempl.nim
@@ -90,6 +90,29 @@ proc semBindStmt(c: PContext, n: PNode, toBind: var TIntSet): PNode =
     else:
       illFormedAst(a)
   result = newNodeI(nkNilLit, n.info)
+
+when false:
+  # not active before 0.9.0 is out
+  proc semMixinStmt(c: PContext, n: PNode, toMixin: var TIntSet): PNode =
+    for i in 0 .. < n.len:
+      var a = n.sons[i]
+      # If 'a' is an overloaded symbol, we used to use the first symbol
+      # as a 'witness' and use the fact that subsequent lookups will yield
+      # the same symbol!
+      # This is however not true anymore for hygienic templates as semantic
+      # processing for them changes the symbol table...
+      let s = QualifiedLookUp(c, a)
+      if s != nil:
+        # we need to mark all symbols:
+        let sc = symChoice(c, n, s, scForceOpen)
+        if sc.kind == nkSym:
+          toMixin.incl(sc.sym.id)
+        else:
+          for x in items(sc): toMixin.incl(x.sym.id)
+      else:
+        # do nothing: identifiers are already not bound:
+        nil
+    result = newNodeI(nkNilLit, n.info)
   
 proc replaceIdentBySym(n: var PNode, s: PNode) =
   case n.kind