[antlr-interest] Re: 2.7.2a4 ANTLR/C# - build ok, panic shutdown
micheal_jor
open.zone at virgin.net
Wed Dec 4 04:58:50 PST 2002
Hi Daniel,
> First, thanks for the reply. I followed your advice, went back to
2.7.2a4
> for ANTLR/C#, and got it to build. It turns out my mistake was in
trying to
> compile the C# codegen files by themselves, using commands
like "javac
> CSharp*.java". A simple "javac *.java" works fine.
The following files in the ANTLR root directory are provided just for
this purpose:
build.bat
build-actions.bat
build-codegen.bat
The csharp-runtime.html document in the 'doc' directory has further
information about their building ANTLR/C#.
<SNIP>
> That doesn't work with
> assembly-qualified names. As a result, the tokens weren't getting
created,
> and panic() was getting called instead. By taking the assembly bit
off the
> type name, like this:
>
> myLexer.setTokenObjectClass("MyClass.CustomToken")
>
> I got the code to run.
This should have been included in the release announcement for
2.7.2a4 and the updated 2.7.2a2. My apologies to ANTLR/C# users if it
wasn't.
> That, however, is not the bug. The bug has to do
> with the panic routine:
>
> public virtual void panic(string s)
> {
> Console.Error.WriteLine("CharScanner; panic: " + s);
> Environment.Exit(1);
> }
You are correct that Environment.Exit is bad for GUI apps. I'll look
into this. In the meantime you can override the method as Richard
suggests in his reply.
Cheers!,
Micheal
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