[antlr-interest] C++-Target - write AST as XML

[Jim Idle]

Looks like someone copied my C templates to make a Cpp target, but has not
implemented AST generation. I did not even know we had release a Cpp
target to be honest. You may be at a dead end unless you can find the Cpp
author. However, there is no overall reason you need to use Cpp, you can
compile the C target as C++/intermingle it with C++


Jim

> -----Original Message-----
> From: antlr-interest-bounces at antlr.org [mailto:antlr-interest-
> bounces at antlr.org] On Behalf Of Jost Baron
> Sent: Thursday, August 02, 2012 12:53 PM
> To: antlr-interest at antlr.org
> Subject: Re: [antlr-interest] C++-Target - write AST as XML
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Hi Jimi,
>
> I want some form of the input file in a XML representation. If its a
> generic AST or something else, doesn't matter, its going to be
> transformed by XSLT anyway.
>
> My current problem is to get the AST generation running with the
> Cpp-Target: On setting "output=AST;", a ton of error messages is
> generated at compiletime. These error messages look like this:
>
> error: TreeType doesn't name a type.
> error: 'struct myParser_timeStamp_return' has no member named 'tree'
> (a follow up of #1)
> error: 'ADAPTOR' was not declared in this scope
> error: 'INPUT' was not declared in this scope
> error: 'EXCEPTION' was not declared in this scope
>
> Obviously, something is not included or a type not defined - any idea
> how to solve this?
>
> Jost
>
> On 08/02/2012 06:27 PM, Jim Idle wrote:
> > It isn't clear what you are trying to make in to XML. The input as a
> > translation, or the AST itself?
> >
> > Either way, this should be a fairly trivial set of methods that
> > recursively walk the AST manually just check what node they are
> > seeing. Look at the source code for the dot transformer in the ANTLR
> > runtime for a template.
> >
> > Jim
> >
> >> -----Original Message----- From: antlr-interest-bounces at antlr.org
> >> [mailto:antlr-interest- bounces at antlr.org] On Behalf Of Jost Baron
> >> Sent: Thursday, August 02, 2012 6:39 AM To:
> >> antlr-interest at antlr.org Subject: [antlr-interest] C++-Target -
> write
> >> AST as XML
> >>
> > Hi!
> >
> > I've successfully created a grammar for some DSL, and now want to
> > print an AST the input into XML format. As the grammar is quite large
> > (several hundred rules), doing this manually would be slow and error
> > prone.
> >
> > So my question is: Is there anything that could help me to at least
> > partly automatize the xml generation?
> >
> > Thanks, Jost
> >>
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