* After parsing, compute level/displacement pairs for each variable

  use site, allowing environments to be stores as vectors of values
  rather than maps.  This should speed up evaluation and reduce the
  number of allocations.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/libexpr/parser.y b/src/libexpr/parser.y
index b746e757eb88..b3624435231f 100644
--- a/src/libexpr/parser.y
+++ b/src/libexpr/parser.y
@@ -461,7 +461,8 @@ static Expr * parse(EvalState & state, const char * text,
     if (res) throw ParseError(data.error);
 
     try {
-        // !!! checkVarDefs(state.primOps, data.result);
+        StaticEnv env(false, 0);
+        data.result->bindVars(env);
     } catch (Error & e) {
         throw ParseError(format("%1%, in `%2%'") % e.msg() % path);
     }