From 12f4bd55dd789d95218367ec8a3978f6fff5e00e Mon Sep 17 00:00:00 2001
From: Efimov Vasily <real@ispras.ru>
Date: Tue, 9 Feb 2016 20:35:42 +0300
Subject: cpp: avoid infinite attempts to expand a word same as a parameterized
 macro

Signed-off-by: Efimov Vasily <real@ispras.ru>
---
 ply/cpp.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/ply/cpp.py b/ply/cpp.py
index 06acdf3..d00348e 100644
--- a/ply/cpp.py
+++ b/ply/cpp.py
@@ -536,6 +536,12 @@ class Preprocessor(object):
                                     r.lineno = t.lineno
                                 tokens[i:j+tokcount] = rep
                                 i += len(rep)
+                        else:
+                            # This is not a macro. It is just a word which
+                            # equals to name of the macro. Hence, go to the
+                            # next token.
+                            i += 1
+
                     del expanded[t.value]
                     continue
                 elif t.value == '__LINE__':
-- 
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