Merging in Stephank's fix for #692.

lib/nodes.js

@@ -497,7 +497,7 @@
       })());
     };
     CallNode.prototype.compileNode = function(o) {
-      var _b, _c, _d, _e, _f, _g, _h, _i, _j, arg, args, code, methodAccessor, op;
+      var _b, _c, _d, _e, _f, _g, _h, _i, _j, arg, args, code, first, meth, methodAccessor, op;
       if (!(o.chainRoot)) {
         o.chainRoot = this;
       }
@@ -506,10 +506,10 @@
         if (this.variable instanceof ValueNode && this.variable.properties[this.variable.properties.length - 1] instanceof AccessorNode) {
           methodAccessor = this.variable.properties.pop();
           _b = this.variable.compileReference(o);
-          this.first = _b[0];
-          this.meth = _b[1];
-          this.first = new ValueNode(this.first, [methodAccessor]).compile(o);
-          this.meth = new ValueNode(this.meth, [methodAccessor]).compile(o);
+          first = _b[0];
+          meth = _b[1];
+          this.first = new ValueNode(first, [methodAccessor]).compile(o);
+          this.meth = new ValueNode(meth, [methodAccessor]).compile(o);
         } else {
           _c = this.variable.compileReference(o, {
             precompile: true

src/nodes.coffee

@@ -454,14 +454,15 @@ exports.CallNode = class CallNode extends BaseNode
     if @exist
       if @variable instanceof ValueNode and @variable.properties[@variable.properties.length - 1] instanceof AccessorNode
         methodAccessor = @variable.properties.pop()
-        [@first, @meth] = @variable.compileReference o
-        @first = new ValueNode(@first, [methodAccessor]).compile o
-        @meth = new ValueNode(@meth, [methodAccessor]).compile o
+        [first, meth] = @variable.compileReference o
+        @first = new ValueNode(first, [methodAccessor]).compile o
+        @meth = new ValueNode(meth, [methodAccessor]).compile o
       else
         [@first, @meth] = @variable.compileReference o, precompile: yes
       @first = "(typeof #{@first} === \"function\" ? "
       @last  = " : undefined)"
-    else if @variable then @meth = @variable.compile o
+    else if @variable
+      @meth = @variable.compile o
     for arg in @args when arg instanceof SplatNode
       code = @compileSplat(o)
     if not code

test/test_existence.coffee

@@ -126,7 +126,9 @@ ok duration is 0
 
 # Function soaks.
 plus1 = (x) -> x + 1
+count = 0
 obj = {
+  counter: -> count += 1; this
   returnThis: -> this
 }
 
@@ -135,6 +137,8 @@ ok (plus1? 41) is 42
 ok plus2?(41) is undefined
 ok (plus2? 41) is undefined
 ok obj.returnThis?() is obj
+ok obj.counter().counter().returnThis?() is obj
+ok count is 2
 
 maybe_close = (f, arg) -> if typeof f is 'function' then () -> f(arg) else -1