From c34a20e1f60486140f0ddc5657c077d2fdc9c7f5 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Mon, 26 Nov 2018 19:55:48 +0100
Subject: [PATCH] EvalState::allocAttr(): Add convenience method

(cherry picked from commit c02da997570ac0d9b595d787bea8cb5a4e3cc1f5)
---
 src/libexpr/attr-set.cc | 6 ++++++
 src/libexpr/eval.hh     | 1 +
 2 files changed, 7 insertions(+)

diff --git a/src/libexpr/attr-set.cc b/src/libexpr/attr-set.cc
index 0785897d2..b1d61a285 100644
--- a/src/libexpr/attr-set.cc
+++ b/src/libexpr/attr-set.cc
@@ -43,6 +43,12 @@ Value * EvalState::allocAttr(Value & vAttrs, const Symbol & name)
 }
 
 
+Value * EvalState::allocAttr(Value & vAttrs, const std::string & name)
+{
+    return allocAttr(vAttrs, symbols.create(name));
+}
+
+
 void Bindings::sort()
 {
     std::sort(begin(), end());
diff --git a/src/libexpr/eval.hh b/src/libexpr/eval.hh
index eac53b894..5efad8707 100644
--- a/src/libexpr/eval.hh
+++ b/src/libexpr/eval.hh
@@ -272,6 +272,7 @@ public:
     Env & allocEnv(size_t size);
 
     Value * allocAttr(Value & vAttrs, const Symbol & name);
+    Value * allocAttr(Value & vAttrs, const std::string & name);
 
     Bindings * allocBindings(size_t capacity);