From 71a1930430a2e88d3ac0a22eb2bcbcc7940e69f4 Mon Sep 17 00:00:00 2001
From: Eli Bendersky <eliben@gmail.com>
Date: Fri, 15 Feb 2019 06:40:34 -0800
Subject: Protect visiting recursion against empty argument lists

Fixes #308
---
 examples/func_calls.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/examples/func_calls.py b/examples/func_calls.py
index 84e8c27..97a7271 100644
--- a/examples/func_calls.py
+++ b/examples/func_calls.py
@@ -26,7 +26,8 @@ class FuncCallVisitor(c_ast.NodeVisitor):
         if node.name.name == self.funcname:
             print('%s called at %s' % (self.funcname, node.name.coord))
         # Visit args in case they contain more func calls.
-        self.visit(node.args)
+        if node.args:
+            self.visit(node.args)
 
 
 def show_func_calls(filename, funcname):
-- 
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