Reparse call nodes to refresh variables

lesscpy/plib/call.py

@@ -30,34 +30,32 @@ class Call(Node):
         args:
             scope (Scope): Current scope
         """
-        if not self.parsed:
-            name = ''.join(self.tokens[0])
-            parsed = self.process(self.tokens[1:], scope)
+        name = ''.join(self.tokens[0])
+        parsed = self.process(self.tokens[1:], scope)
 
-            if name == '%(':
-                name = 'sformat'
-            elif name in ('~', 'e'):
-                name = 'escape'
-            color = Color.Color()
-            args = [t for t in parsed 
-                    if type(t) is not str or t not in '(),']
-            if hasattr(self, name):
+        if name == '%(':
+            name = 'sformat'
+        elif name in ('~', 'e'):
+            name = 'escape'
+        color = Color.Color()
+        args = [t for t in parsed 
+                if type(t) is not str or t not in '(),']
+        if hasattr(self, name):
+            try:
+                return getattr(self, name)(*args)
+            except ValueError:
+                pass
+        
+        if hasattr(color, name):
+            try:
+                result = getattr(color, name)(*args)
                 try:
-                    return getattr(self, name)(*args)
-                except ValueError:
-                    pass
-            
-            if hasattr(color, name):
-                try:
-                    result = getattr(color, name)(*args)
-                    try:
-                        return result + ' '
-                    except TypeError:
-                        return result
-                except ValueError:
-                    pass
-            self.parsed = name + ''.join([p for p in parsed])
-        return self.parsed
+                    return result + ' '
+                except TypeError:
+                    return result
+            except ValueError:
+                pass
+        return name + ''.join([p for p in parsed])
     
     def escape(self, string, *args):
         """Less Escape.

lesscpy/test/css/calls.css

@@ -26,3 +26,7 @@
 #colors {
 	filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#333333', GradientType=1);
 }
+a {
+	background-image: linear-gradient(top,#ffffff,#333333);
+	background-image: linear-gradient(top,#a6a6a6,#000000);
+}

lesscpy/test/css/calls.min.css

@@ -3,3 +3,4 @@
 #format{format:"rgb(32, 128, 64)";format-string:"hello world";format-multiple:"hello earth 2";format-url-encode:'red is %23ff0000';}
 #more{width:1px;height:1px;top:50%;}
 #colors{filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#333333', GradientType=1);}
+a{background-image:linear-gradient(top,#ffffff,#333333);background-image:linear-gradient(top,#a6a6a6,#000000);}

lesscpy/test/less/calls.less

@@ -30,4 +30,11 @@
 }
 #colors {
 	filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",#fff,#333));
-}
+}
+#gradient(@startColor, @endColor) {
+	background-image: linear-gradient(top, @startColor, @endColor);
+}
+a {
+	#gradient(#fff, #333);
+	#gradient(#a6a6a6, #000);
+}