[antlr-interest] Illegal escape sequence in C#

rkevinburton at charter.net rkevinburton at charter.net
Wed Jul 30 11:48:03 PDT 2008


I am linked to the assemblies (DLLs) that are in the antlr directory. As suggested I just downloaded the ANTLRWorks zip file and changed the extension to .jar and ran it. That is the extent of my "installation". Do I need to do more?

Kevin

---- Johannes Luber <jaluber at gmx.de> wrote: 
> rkevinburton at charter.net schrieb:
> > I changed the "language" to be CSharp2 and that fixed the illegal escape equence (thank youl) but now the following will not compile:
> > 
> >         public ECMAScriptParser(ITokenStream input)
> >     		: this(input, new RecognizerSharedState()) {
> >         }
> > 
> >         public ECMAScriptParser(ITokenStream input, RecognizerSharedState state)
> >     		: base(input, state) {
> >     		InitializeCyclicDFAs();
> >         }
> > 
> > It seems that RecognizerSharedState is no longer recognized. Any substitutes?
> > 
> > Thanks again.
> > 
> > Kevin
> 
> Did you use the correct assemblies? Each beta has it own version.
> 
> Johannes
> > ---- rkevinburton at charter.net wrote: 
> >> 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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