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authorDavid Beazley <dave@dabeaz.com>2006-11-21 15:09:46 +0000
committerDavid Beazley <dave@dabeaz.com>2006-11-21 15:09:46 +0000
commit80c8c2d0a6e63745ff099b33ad2848b6fb17285a (patch)
tree36d223fc55a5649dc85a4f8a3fa9d17cb130c6c3 /test/lex_state4.py
downloadply-80c8c2d0a6e63745ff099b33ad2848b6fb17285a.tar.gz
initial checkin
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+# lex_state2.py
+#
+# Bad state declaration
+
+import sys
+sys.path.insert(0,"..")
+
+import ply.lex as lex
+
+tokens = [
+ "PLUS",
+ "MINUS",
+ "NUMBER",
+ ]
+
+comment = 1
+states = (('comment', 'exclsive'),)
+
+t_PLUS = r'\+'
+t_MINUS = r'-'
+t_NUMBER = r'\d+'
+
+# Comments
+def t_comment(t):
+ r'/\*'
+ t.lexer.begin('comment')
+ print "Entering comment state"
+
+def t_comment_body_part(t):
+ r'(.|\n)*\*/'
+ print "comment body", t
+ t.lexer.begin('INITIAL')
+
+def t_error(t):
+ pass
+
+import sys
+
+lex.lex()
+
+