Sha256: 8ffc483cc36dda17cf80e37f4074d18b80009082441ed468d48daaa5a3f93019
Contents?: true
Size: 700 Bytes
Versions: 8
Compression:
Stored size: 700 Bytes
Contents
# lex_state_try.py
#
# Declaration of a state for which no rules are defined
import sys
if ".." not in sys.path: sys.path.insert(0,"..")
import ply.lex as lex
tokens = [
"PLUS",
"MINUS",
"NUMBER",
]
states = (('comment', 'exclusive'),)
t_PLUS = r'\+'
t_MINUS = r'-'
t_NUMBER = r'\d+'
t_ignore = " \t"
# 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
t_comment_error = t_error
t_comment_ignore = t_ignore
lex.lex()
data = "3 + 4 /* This is a comment */ + 10"
lex.runmain(data=data)
Version data entries
8 entries across 8 versions & 1 rubygems