From b2c3ade75384efe76b8774b607e17fe98fab92ef Mon Sep 17 00:00:00 2001
From: ptmcg <ptmcg@9bf210a0-9d2d-494c-87cf-cfb32e7dff7b>
Date: Tue, 9 Aug 2016 00:23:49 +0000
Subject: TagTag for 2.1.6 release

git-svn-id: svn://svn.code.sf.net/p/pyparsing/code/tags/pyparsing_2.1.6@402 9bf210a0-9d2d-494c-87cf-cfb32e7dff7b
---
 trunk/src/examples/matchPreviousDemo.py | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 trunk/src/examples/matchPreviousDemo.py

(limited to 'trunk/src/examples/matchPreviousDemo.py')

diff --git a/trunk/src/examples/matchPreviousDemo.py b/trunk/src/examples/matchPreviousDemo.py
new file mode 100644
index 0000000..f0812e9
--- /dev/null
+++ b/trunk/src/examples/matchPreviousDemo.py
@@ -0,0 +1,33 @@
+#
+# matchPreviousDemo.py
+#
+
+from pyparsing import *
+
+src = """
+class a
+...
+end a;
+ 
+class b
+...
+end b;
+ 
+class c
+...
+end d;"""
+
+
+identifier = Word(alphas)
+
+classIdent = identifier("classname")  # note that this also makes a copy of identifier 
+classHead = "class" + classIdent
+classBody = "..."
+classEnd = "end" + matchPreviousLiteral(classIdent) + ';'
+classDefn = classHead + classBody + classEnd
+
+# use this form to catch syntax error
+# classDefn = classHead + classBody - classEnd
+
+for tokens in classDefn.searchString(src):
+    print(tokens.classname)
\ No newline at end of file
-- 
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