1 files changed, 8 insertions, 0 deletions
diff --git a/src/libexpr/eval.hh b/src/libexpr/eval.hh
index e900217fa457..1583665bad19 100644
--- a/src/libexpr/eval.hh
+++ b/src/libexpr/eval.hh
@@ -213,11 +213,16 @@ private:
 
     std::map<Path, Expr *> parseTrees;
 
+    Paths searchPath;
+    Paths::iterator searchPathInsertionPoint;
+
 public:
     
     EvalState();
     ~EvalState();
 
+    void addToSearchPath(const string & s);
+
     /* Parse a Nix expression from the specified file.  If `path'
        refers to a directory, then "/default.nix" is appended. */
     Expr * parseExprFromFile(Path path);
@@ -229,6 +234,9 @@ public:
        form. */
     void evalFile(const Path & path, Value & v);
 
+    /* Look up a file in the search path. */
+    Path findFile(const string & path);
+
     /* Evaluate an expression to normal form, storing the result in
        value `v'. */
     void eval(Expr * e, Value & v);