lex_state_norule.py revision 6498:e21e9ab5fad0
14202Sbinkertn@umich.edu# lex_state_norule.py 24202Sbinkertn@umich.edu# 34202Sbinkertn@umich.edu# Declaration of a state for which no rules are defined 44202Sbinkertn@umich.edu 54202Sbinkertn@umich.eduimport sys 64202Sbinkertn@umich.eduif ".." not in sys.path: sys.path.insert(0,"..") 74202Sbinkertn@umich.edu 84202Sbinkertn@umich.eduimport ply.lex as lex 94202Sbinkertn@umich.edu 104202Sbinkertn@umich.edutokens = [ 114202Sbinkertn@umich.edu "PLUS", 124202Sbinkertn@umich.edu "MINUS", 134202Sbinkertn@umich.edu "NUMBER", 144202Sbinkertn@umich.edu ] 154202Sbinkertn@umich.edu 164202Sbinkertn@umich.edustates = (('comment', 'exclusive'), 174202Sbinkertn@umich.edu ('example', 'exclusive')) 184202Sbinkertn@umich.edu 194202Sbinkertn@umich.edut_PLUS = r'\+' 204202Sbinkertn@umich.edut_MINUS = r'-' 214202Sbinkertn@umich.edut_NUMBER = r'\d+' 224202Sbinkertn@umich.edu 234202Sbinkertn@umich.edu# Comments 244202Sbinkertn@umich.edudef t_comment(t): 254202Sbinkertn@umich.edu r'/\*' 264202Sbinkertn@umich.edu t.lexer.begin('comment') 274202Sbinkertn@umich.edu print("Entering comment state") 284202Sbinkertn@umich.edu 294202Sbinkertn@umich.edudef t_comment_body_part(t): 304202Sbinkertn@umich.edu r'(.|\n)*\*/' 314202Sbinkertn@umich.edu print("comment body %s" % t) 324202Sbinkertn@umich.edu t.lexer.begin('INITIAL') 334486Sbinkertn@umich.edu 344486Sbinkertn@umich.edudef t_error(t): 356165Ssanchezd@stanford.edu pass 366168Snate@binkert.org 374202Sbinkertn@umich.edu 384202Sbinkertn@umich.edulex.lex() 394202Sbinkertn@umich.edu 404202Sbinkertn@umich.edu 414202Sbinkertn@umich.edu