Mercurial > repo

annotate ply-3.8/test/lex_re3.py @ 12254:616be78bd12e draft

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
<oerjan> revert
author HackEso <hackeso@esolangs.org>
date Fri, 06 Dec 2019 07:54:58 +0000
parents 343ff337a19b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
7267
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
1 # lex_re3.py
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
2 #
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
3 # Regular expression rule matches empty string
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
4
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
5 import sys
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
6 if ".." not in sys.path: sys.path.insert(0,"..")
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
7
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
8 import ply.lex as lex
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
9
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
10 tokens = [
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
11 "PLUS",
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
12 "MINUS",
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
13 "NUMBER",
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
14 "POUND",
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
15 ]
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
16
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
17 t_PLUS = r'\+'
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
18 t_MINUS = r'-'
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
19 t_NUMBER = r'(\d+)'
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
20 t_POUND = r'#'
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
21
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
22 def t_error(t):
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
23 pass
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
24
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
25
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
26
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
27 lex.lex()
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
28
343ff337a19b <ais523> ` tar -xf ply-3.8.tar.gz
HackBot
parents:
diff changeset
29