search

cederberg / grammatica

Grammatica is a C# and Java parser generator (compiler compiler)
https://grammatica.percederberg.net
Other
87 stars 35 forks source link

Error when evaluating `\\` #12

Open peedromarinhow opened 5 years ago

peedromarinhow commented 5 years ago

In grammatica 1.6:

INTERNAL ERROR: An internal error in Grammatica has been found.
    Please report this error to the maintainers (see the web
    site for instructions). Be sure to include the Grammatica
    version number, as well as the information below:

net.percederberg.grammatica.GrammarException: token 'LITERAL_CHAR' is invalid, as regular expression contains error(s): Illegal repetition near index 6
'(.|(\\{[+-]?[0-9a-fA-F_]+}))?'
      ^, on line 41
        at net.percederberg.grammatica.Grammar.createTokenizer(Grammar.java:225)
        at net.percederberg.grammatica.Grammatica.debug(Grammatica.java:416)
        at net.percederberg.grammatica.Grammatica.main(Grammatica.java:163)