* Refactoring: move variable uses to a separate class.

1 files changed, 7 insertions, 2 deletions

diff --git a/src/libexpr/nixexpr.cc b/src/libexpr/nixexpr.cc
index ab4fa6cba..03b849a38 100644
--- a/src/libexpr/nixexpr.cc
+++ b/src/libexpr/nixexpr.cc
@@ -38,7 +38,7 @@ void ExprPath::show(std::ostream & str)
 
 void ExprVar::show(std::ostream & str)
 {
-    str << name;
+    str << info.name;
 }
 
 void ExprSelect::show(std::ostream & str)
@@ -157,7 +157,7 @@ void ExprPath::bindVars(const StaticEnv & env)
 {
 }
 
-void ExprVar::bindVars(const StaticEnv & env)
+void VarRef::bind(const StaticEnv & env)
 {
     /* Check whether the variable appears in the environment.  If so,
        set its level and displacement. */
@@ -187,6 +187,11 @@ void ExprVar::bindVars(const StaticEnv & env)
     this->level = withLevel;
 }
 
+void ExprVar::bindVars(const StaticEnv & env)
+{
+    info.bind(env);
+}
+
 void ExprSelect::bindVars(const StaticEnv & env)
 {
     e->bindVars(env);