From 267dc693d2ca8dea13199f92c265fc35fdb047f6 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Wed, 14 Apr 2010 22:59:39 +0000
Subject: * Fix builtins.

---
 src/libexpr/primops.cc | 26 +++++++++++---------------
 1 file changed, 11 insertions(+), 15 deletions(-)

(limited to 'src/libexpr/primops.cc')

diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index 83af7ada9315..0d7459feef46 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -999,15 +999,13 @@ void EvalState::createBaseEnv()
 {
     baseEnv.up = 0;
 
-#if 0    
-    Value & builtins = baseEnv.bindings[symbols.create("builtins")];
-    builtins.type = tAttrs;
-    builtins.attrs = new Bindings;
-#endif
-
     /* Add global constants such as `true' to the base environment. */
     Value v;
 
+    /* `builtins' must be first! */
+    mkAttrs(v);
+    addConstant("builtins", v);
+
     mkBool(v, true);
     addConstant("true", v);
     
@@ -1023,14 +1021,6 @@ void EvalState::createBaseEnv()
     mkString(v, thisSystem.c_str());
     addConstant("__currentSystem", v);
 
-    /* Add a wrapper around the derivation primop that computes the
-       `drvPath' and `outPath' attributes lazily. */
-#if 0
-    string s = "attrs: let res = derivationStrict attrs; in attrs // { drvPath = res.drvPath; outPath = res.outPath; type = \"derivation\"; }";
-    mkThunk(v, baseEnv, parseExprFromString(*this, s, "/"));
-    addConstant("derivation", v);
-#endif
-
     // Miscellaneous
     addPrimOp("import", 1, prim_import);
     addPrimOp("isNull", 1, prim_isNull);
@@ -1053,6 +1043,12 @@ void EvalState::createBaseEnv()
     // Derivations
     addPrimOp("derivationStrict", 1, prim_derivationStrict);
 
+    /* Add a wrapper around the derivation primop that computes the
+       `drvPath' and `outPath' attributes lazily. */
+    string s = "attrs: let res = derivationStrict attrs; in attrs // { drvPath = res.drvPath; outPath = res.outPath; type = \"derivation\"; }";
+    mkThunk(v, baseEnv, parseExprFromString(*this, s, "/"));
+    addConstant("derivation", v);
+
     // Paths
     addPrimOp("__toPath", 1, prim_toPath);
 #if 0
@@ -1105,7 +1101,7 @@ void EvalState::createBaseEnv()
 
     // Versions
     addPrimOp("__parseDrvName", 1, prim_parseDrvName);
-    addPrimOp("__compareVersions", 2, prim_compareVersions);
+    addPrimOp("__compareVersions", 2, prim_compareVersions);    
 }
 
 
-- 
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