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authorDavid Beazley <dave@dabeaz.com>2022-10-27 13:44:12 -0500
committerDavid Beazley <dave@dabeaz.com>2022-10-27 13:44:12 -0500
commitaf80858e888c5f36979da88fcb1080de7b848967 (patch)
tree2f2fb95414baee83e489eac1b936602599ea9eba /tests/lex_state4.py
parent818ab0684e33f5f513fc839673ff56ea330b6380 (diff)
downloadply-af80858e888c5f36979da88fcb1080de7b848967.tar.gz
Reorganization. Added makefile
Diffstat (limited to 'tests/lex_state4.py')
-rw-r--r--tests/lex_state4.py38
1 files changed, 38 insertions, 0 deletions
diff --git a/tests/lex_state4.py b/tests/lex_state4.py
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+# lex_state4.py
+#
+# Bad state declaration
+
+import ply.lex as lex
+
+tokens = [
+ "PLUS",
+ "MINUS",
+ "NUMBER",
+ ]
+
+
+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 %s" % t)
+ t.lexer.begin('INITIAL')
+
+def t_error(t):
+ pass
+
+
+
+lex.lex()
+
+