parser: `Visitor::visit` does not accepts `null`

[nit.git] / src / flow.nit

diff --git a/src/flow.nit b/src/flow.nit
index cdc5ece..3f91b93 100644 (file)
--- a/src/flow.nit
+++ b/src/flow.nit
@@ -52,24 +52,22 @@ private class FlowVisitor
 
        redef fun visit(node)
        do
-               if node != null then
-                       if first == null then first = node
-
-                       if current_flow_context.node == null then current_flow_context.node = node
-                       node.accept_flow_visitor(self)
-                       if node isa AExpr then
-                               var flow = self.current_flow_context
-                               node.after_flow_context = flow
-                               # Force the creation of a specific merge after the analysis of the node.
-                               if flow.when_true != flow or flow.when_false != flow then
-                                       self.make_sub_flow
-                                       self.current_flow_context.name = "AUTOSUB"
-                               end
+               if first == null then first = node
+
+               if current_flow_context.node == null then current_flow_context.node = node
+               node.accept_flow_visitor(self)
+               if node isa AExpr then
+                       var flow = self.current_flow_context
+                       node.after_flow_context = flow
+                       # Force the creation of a specific merge after the analysis of the node.
+                       if flow.when_true != flow or flow.when_false != flow then
+                               self.make_sub_flow
+                               self.current_flow_context.name = "AUTOSUB"
                        end
+               end
 
-                       if first == node then
-                               #self.printflow
-                       end
+               if first == node then
+                       #self.printflow
                end
        end