optimized a !?= b

satyr · Jun 14, 2011 · c011941 · c011941
1 parent 1bb3d89
commit c011941
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/lib/ast.js b/lib/ast.js
@@ -1573,8 +1573,8 @@ exports.Assign = Assign = (function(_super){
     return code;
   };
   prototype.compileConditional = function(o, left){
-    var lefts, morph;
-    if (this.logic === '?' && this.op === '=' && left instanceof Var) {
+    var lefts, morph, _ref;
+    if (left instanceof Var && ((_ref = this.logic) === '?' || _ref === '!?') && this.op === '=') {
       o.scope.declare(left.value);
     }
     lefts = Chain(left).cacheReference(o);

diff --git a/src/ast.co b/src/ast.co
@@ -933,7 +933,7 @@ class exports.Assign extends Node
     code
 
   compileConditional: (o, left) ->
-    if @logic is \? and @op is \= and left instanceof Var
+    if left instanceof Var and @logic of <[ ? !? ]> and @op is \=
       o.scope.declare left.value
     lefts = Chain(left)cacheReference o
     morph = Op @logic, lefts.0, @<<<{-logic, left: lefts.1}