From 8e5fbf4d730b9fcf39eddf5539a206cf19d2cdce Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Fri, 4 Apr 2014 22:52:14 +0200
Subject: Show position info in attribute selection errors

---
 src/libexpr/nixexpr.hh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/libexpr/nixexpr.hh')

diff --git a/src/libexpr/nixexpr.hh b/src/libexpr/nixexpr.hh
index f07b85c83..813efbe21 100644
--- a/src/libexpr/nixexpr.hh
+++ b/src/libexpr/nixexpr.hh
@@ -149,10 +149,11 @@ struct ExprVar : Expr
 
 struct ExprSelect : Expr
 {
+    Pos pos;
     Expr * e, * def;
     AttrPath attrPath;
-    ExprSelect(Expr * e, const AttrPath & attrPath, Expr * def) : e(e), def(def), attrPath(attrPath) { };
-    ExprSelect(Expr * e, const Symbol & name) : e(e), def(0) { attrPath.push_back(AttrName(name)); };
+    ExprSelect(const Pos & pos, Expr * e, const AttrPath & attrPath, Expr * def) : pos(pos), e(e), def(def), attrPath(attrPath) { };
+    ExprSelect(const Pos & pos, Expr * e, const Symbol & name) : pos(pos), e(e), def(0) { attrPath.push_back(AttrName(name)); };
     COMMON_METHODS
 };
 
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