[antlr-interest] Antlr C target with LibXML

Jim Idle jimi at temporal-wave.com
Thu Jul 21 10:00:32 PDT 2011


Also note that it should be possible (and desirable) for you to separate
the logic so you don't need both headers at the same time. Please post
your grammar files to get more help.

Jim

> -----Original Message-----
> From: antlr-interest-bounces at antlr.org [mailto:antlr-interest-
> bounces at antlr.org] On Behalf Of Ivan Brezina
> Sent: Thursday, July 21, 2011 2:03 AM
> To: antlr-interest at antlr.org
> Subject: Re: [antlr-interest] Antlr C target with LibXML
>
> Hi,
> try to execute the compiler like "gcc -E -P" and check the output.
> Or try to compile the output manually.
> ANTLR adds a define for each token you declare and these macro
> definitions do interfere with some datatype present in libxml headers.
>
> For example if you create your own token called "int" in .g then the
> GLexer.h will contain a macro definition
>
> #define int <some number>
>
> When you declare your own token names, you should always use some
> prefix.
>
> Ivan
> PS: did you try to switch the order of headers included?
> PS2: <off-topic> on the other hand it is impossible to compile ANTLR
> headers with QT, because QT contains macro called "emit" white emit is
> a name of the function in antlr headers.
>
>
> Quoting Jim Idle <jimi at temporal-wave.com>:
>
> > The header files are interfering with each other. You probably need
> to
> > separate your logic from your parser .g file. However, unless you
> post
> > all of your project it is hard to see why. Look at the lines
> indicated
> > as in error and you will probably find some symbol that ANTLR defines
> > that libXML is also defining. When you know what it is, you can
> > possibly undef it before including the libXML headers. I will also
> try
> > to make time tomorrow to have a look at this.
> >
> > Jim
> >
> >> -----Original Message-----
> >> From: antlr-interest-bounces at antlr.org [mailto:antlr-interest-
> >> bounces at antlr.org] On Behalf Of Richard Walton
> >> Sent: Wednesday, July 20, 2011 6:04 PM
> >> To: antlr-interest at antlr.org
> >> Subject: [antlr-interest] Antlr C target with LibXML
> >>
> >> Forgive me if this is not the correct etiquette for asking questions
> >> - This is the first mailing list I've subscribed to.  I'm having a
> >> problem compiling an application using LibXML2 (http://xmlsoft.org/)
> >> with a C lexer/grammar generated from ANTLR.  My problems are
> >> documented here:
> >> http://stackoverflow.com/questions/6769548/antlr-c-target-and-xmllib
> >>
> >> I would be very grateful for any help in fixing the problem.
> >>
> >> Kind regards,
> >> Richard
> >>
> >> List: http://www.antlr.org/mailman/listinfo/antlr-interest
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>
>
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