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| author | ptmcg <ptmcg@9bf210a0-9d2d-494c-87cf-cfb32e7dff7b> | 2016-08-09 00:23:49 +0000 |
|---|---|---|
| committer | ptmcg <ptmcg@9bf210a0-9d2d-494c-87cf-cfb32e7dff7b> | 2016-08-09 00:23:49 +0000 |
| commit | b2c3ade75384efe76b8774b607e17fe98fab92ef (patch) | |
| tree | b162262f3f0a4bc976d45bed08ccfc6cc9a2eb23 /trunk/src/examples/matchPreviousDemo.py | |
| parent | 0be19d2d8545f1ac4b93ffd0d10524613837ba39 (diff) | |
| download | pyparsing-b2c3ade75384efe76b8774b607e17fe98fab92ef.tar.gz | |
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
Diffstat (limited to 'trunk/src/examples/matchPreviousDemo.py')
| -rw-r--r-- | trunk/src/examples/matchPreviousDemo.py | 33 |
1 files changed, 33 insertions, 0 deletions
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 |