From 769870b493ef0bbb0b79ac4a84a2e6040429f330 Mon Sep 17 00:00:00 2001
From: satyr <murky.satyr@gmail.com>
Date: Sat, 2 Oct 2010 21:49:21 +0900
Subject: [PATCH] `[x] = [y] = [1]` works again

---
 lib/nodes.js                      | 2 +-
 src/nodes.coffee                  | 2 +-
 test/test_pattern_matching.coffee | 3 +++
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/nodes.js b/lib/nodes.js
index 081f6b8c..795db29b 100644
--- a/lib/nodes.js
+++ b/lib/nodes.js
@@ -991,7 +991,7 @@
         return value.compile(o);
       }
       isObject = this.variable.isObject();
-      if (olength === 1 && !((obj = objects[0]) instanceof SplatNode)) {
+      if (o.top && olength === 1 && !((obj = objects[0]) instanceof SplatNode)) {
         if (obj instanceof AssignNode) {
           _ref2 = obj, idx = _ref2.variable.base, obj = _ref2.value;
         } else {
diff --git a/src/nodes.coffee b/src/nodes.coffee
index f5769942..6bf2819c 100644
--- a/src/nodes.coffee
+++ b/src/nodes.coffee
@@ -877,7 +877,7 @@ exports.AssignNode = class AssignNode extends BaseNode
     {objects} = @variable.base
     return value.compile o unless olength = objects.length
     isObject = @variable.isObject()
-    if olength is 1 and (obj = objects[0]) not instanceof SplatNode
+    if o.top and olength is 1 and (obj = objects[0]) not instanceof SplatNode
       # Unroll simplest cases: `{v} = x` -> `v = x.v`
       if obj instanceof AssignNode
         {variable: {base: idx}, value: obj} = obj
diff --git a/test/test_pattern_matching.coffee b/test/test_pattern_matching.coffee
index af37a20c..15721b9f 100644
--- a/test/test_pattern_matching.coffee
+++ b/test/test_pattern_matching.coffee
@@ -139,3 +139,6 @@ if func func
   {a} = obj
 
 ok a is 101
+
+[x] = {0: y} = {'0': z} = [Math.random()]
+ok x is y is z, 'destructuring in multiple'