[antlr-interest] Illegal escape sequence in C#
Johannes Luber
jaluber at gmx.de
Wed Jul 30 10:11:25 PDT 2008
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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