Handle bootstrap mixin scope strangness

lesscpy/plib/deferred.py

@@ -42,18 +42,18 @@ class Deferred(Node):
             ident.parse(None)
             mixins = scope.mixins(ident.raw())
             
+            
         if not mixins:
-            store = [t for t in scope.deferred.tokens]
-            while scope.deferred.tokens:
+            store = [t for t in scope.deferred.parsed[-1]]
+            while scope.deferred.parsed[-1]:
                 scope.current = scope.deferred
                 ident.parse(scope)
                 mixins = scope.mixins(ident.raw())
                 scope.current = None
                 if mixins:
-                    scope.deferred.tokens = store
                     break
-                scope.deferred.tokens.pop()
-                scope.deferred.parse(None)
+                scope.deferred.parsed[-1].pop()
+            scope.deferred.parsed[-1] = store
                 
         if mixins:
             for mixin in mixins:
@@ -64,7 +64,7 @@ class Deferred(Node):
                 res = [p.parse(scope) for p in res if p]
                 while(any(t for t in res if type(t) is Deferred)):
                     res = [p.parse(scope) for p in res if p]
-                scope.deferred = None
+                
         if error and not res:
             raise SyntaxError('NameError `%s`' % mixin.raw(True))
         return res

lesscpy/plib/identifier.py

@@ -72,7 +72,7 @@ class Identifier(Node):
             parent = parent[-1]
             if parent.parsed:
                 return [self._pscn(part, n) 
-                        if part[0] not in self._subp
+                        if part and part[0] not in self._subp
                         else n
                         for part in parent.parsed
                         for n in names]

lesscpy/test/css/mixin-args-local-calls.css

@@ -4,3 +4,42 @@ span {
 	padding: 2px;
 	padding: 1px;
 }
+input, textarea, .uneditable-input {
+	margin-left: 0;
+}
+input.span12, textarea.span12, .uneditable-input.span12 {
+	width: 354;
+}
+input.span11, textarea.span11, .uneditable-input.span11 {
+	width: 322;
+}
+input.span10, textarea.span10, .uneditable-input.span10 {
+	width: 290;
+}
+input.span9, textarea.span9, .uneditable-input.span9 {
+	width: 258;
+}
+input.span8, textarea.span8, .uneditable-input.span8 {
+	width: 226;
+}
+input.span7, textarea.span7, .uneditable-input.span7 {
+	width: 194;
+}
+input.span6, textarea.span6, .uneditable-input.span6 {
+	width: 162;
+}
+input.span5, textarea.span5, .uneditable-input.span5 {
+	width: 130;
+}
+input.span4, textarea.span4, .uneditable-input.span4 {
+	width: 98;
+}
+input.span3, textarea.span3, .uneditable-input.span3 {
+	width: 66;
+}
+input.span2, textarea.span2, .uneditable-input.span2 {
+	width: 34;
+}
+input.span1, textarea.span1, .uneditable-input.span1 {
+	width: 2;
+}

lesscpy/test/css/mixin-args-local-calls.min.css

@@ -1 +1,14 @@
 span{padding:1px;padding:2px;padding:2px;padding:1px;}
+input,textarea,.uneditable-input{margin-left:0;}
+input.span12,textarea.span12,.uneditable-input.span12{width:354;}
+input.span11,textarea.span11,.uneditable-input.span11{width:322;}
+input.span10,textarea.span10,.uneditable-input.span10{width:290;}
+input.span9,textarea.span9,.uneditable-input.span9{width:258;}
+input.span8,textarea.span8,.uneditable-input.span8{width:226;}
+input.span7,textarea.span7,.uneditable-input.span7{width:194;}
+input.span6,textarea.span6,.uneditable-input.span6{width:162;}
+input.span5,textarea.span5,.uneditable-input.span5{width:130;}
+input.span4,textarea.span4,.uneditable-input.span4{width:98;}
+input.span3,textarea.span3,.uneditable-input.span3{width:66;}
+input.span2,textarea.span2,.uneditable-input.span2{width:34;}
+input.span1,textarea.span1,.uneditable-input.span1{width:2;}

lesscpy/test/less/mixin-args-local-calls.less

@@ -18,4 +18,36 @@ span {
 	.a .b();	// 2px
 	.a .c();	// 2px
 	.a .d();	// 1px
-}
+}
+/*
+	Bootstrap style funkyness
+*/
+@gridColumnWidth: 20;
+@gridGutterWidth: 20;
+@gridColumns: 12;
+
+#grid {
+  .input(@gridColumnWidthx, @gridGutterWidthx) {
+
+    .spanX (@index) when (@index > 0) {
+      (~"input.span@{index}, textarea.span@{index}, .uneditable-input.span@{index}") { .span(@index); }
+      .spanX(@index - 1);
+    }
+    .spanX (0) {}
+
+    .span(@columns) {
+      width: ((@gridColumnWidthx) * @columns) + (@gridGutterWidthx * (@columns - 1)) - 10;
+    }
+
+    input,
+    textarea,
+    .uneditable-input {
+      margin-left: 0; // override margin-left from core grid system
+    }
+
+    // generate .spanX
+    .spanX (@gridColumns);
+
+  }
+}
+#grid > .input (12, 20);