[antlr-interest] Illegal escape sequence in C#

rkevinburton at charter.net rkevinburton at charter.net
Wed Jul 30 10:33:07 PDT 2008


I did a quick check and it seems that 1.2b5 is the latest version of ANTLRWorks that is offered on the web site. Should I go back to 1.1.7? What about the version of ANTLR itselft (but I thought ANTLRWorks included ANTLR).

Now I am confused.

Thank you for the tips.

Kevin

---- Johannes Luber <jaluber at gmx.de> wrote: 
> rkevinburton at charter.net schrieb:
> > I am not sure what I have done but now when I generate code from ANTLRWorks it generates lines containing escape sequences that C# doesn't understand. Like:
> > 
> >     const string DFA18_eotS =
> >         "\1\uffff\2\4\3\uffff\1\4";
> >     const string DFA18_eofS =
> >         "\7\uffff";
> >     const string DFA18_minS =
> >         "\3\56\3\uffff\1\56";
> >     const string DFA18_maxS =
> >         "\1\71\1\56\1\71\3\uffff\1\71";
> >     const string DFA18_acceptS =
> >         "\3\uffff\1\2\1\3\1\1\1\uffff";
> >     const string DFA18_specialS =
> >         "\7\uffff}>";
> >     static readonly string[] DFA18_transitionS = {
> >             "\1\3\1\uffff\1\1\11\2",
> >             "\1\5",
> >             "\1\5\1\uffff\12\6",
> >             "",
> >             "",
> >             "",
> >             "\1\5\1\uffff\12\6"
> >     };
> > 
> > This is just a sample. There are over 400 such errors when C# tries to compile the generated code from the lexer. How do I get ANTLRWorks to generate the "right" code again?
> > 
> > Thank you.
> > 
> > Kevin
> > 
> Could it be that you are using AW 1.2 beta with the CSharp target? That 
> was broken in an earlier version of ANTLR. I don't know if the newest 
> beta includes ANTLR 3.1b2 but you can also switch to CSharp2 as target.
> 
> Johannes



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