From 244a4b5b1499aca5c36de2c6c1f8bd202de42f4b Mon Sep 17 00:00:00 2001
From: Grzegorz Adam Hankiewicz <gradha@imap.cc>
Date: Thu, 17 Jul 2014 16:33:18 +0200
Subject: [PATCH] Adds compatibility for Nimrod's 0.9.4 compiler.

---
 babel.babel             |  2 +-
 src/babel.nim           |  4 ++--
 src/babelpkg/compat.nim | 28 ++++++++++++++++++++++++++++
 3 files changed, 31 insertions(+), 3 deletions(-)
 create mode 100644 src/babelpkg/compat.nim

diff --git a/babel.babel b/babel.babel
index 31282f0..359682e 100644
--- a/babel.babel
+++ b/babel.babel
@@ -9,4 +9,4 @@ bin = "babel"
 srcDir = "src"
 
 [Deps]
-Requires: "nimrod >= 0.9.5"
+Requires: "nimrod >= 0.9.4"
diff --git a/src/babel.nim b/src/babel.nim
index f96dc9d..18ae079 100644
--- a/src/babel.nim
+++ b/src/babel.nim
@@ -6,8 +6,8 @@ import httpclient, parseopt, os, strutils, osproc, pegs, tables, parseutils,
 
 from sequtils import toSeq
 
-import babelpkg/packageinfo, babelpkg/version, babelpkg/tools, babelpkg/download,
-       babelpkg/config
+import babelpkg/packageinfo, babelpkg/version, babelpkg/tools,
+       babelpkg/download, babelpkg/config, babelpkg/compat
 
 when not defined(windows):
   from posix import getpid
diff --git a/src/babelpkg/compat.nim b/src/babelpkg/compat.nim
new file mode 100644
index 0000000..408e5df
--- /dev/null
+++ b/src/babelpkg/compat.nim
@@ -0,0 +1,28 @@
+# Copyright (C) Dominik Picheta. All rights reserved.
+# BSD License. Look at license.txt for more info.
+
+## This module contains additional code from the development version of
+## Nimrod's standard library. These procs are required to be able to compile
+## against the last stable release 0.9.4. Once 0.9.6 is release these procs
+## will disappear.
+
+import json
+
+when not defined(`json.{}`):
+  proc `{}`*(node: PJsonNode, key: string): PJsonNode =
+    ## Transverses the node and gets the given value. If any of the
+    ## names does not exist, returns nil
+    result = node
+    if isNil(node): return nil
+    result = result[key]
+
+when not defined(`json.{}=`):
+  proc `{}=`*(node: PJsonNode, names: varargs[string], value: PJsonNode) =
+    ## Transverses the node and tries to set the value at the given location
+    ## to `value` If any of the names are missing, they are added
+    var node = node
+    for i in 0..(names.len-2):
+      if isNil(node[names[i]]):
+        node[names[i]] = newJObject()
+      node = node[names[i]]
+    node[names[names.len-1]] = value