Ok.Now... The HQL-AST you are creating inherit each class from an ANTLR class as H3 ?
(if you want add in in GTalk) 2009/2/3 Steve Strong <[email protected]> > Correct - I've ported the hql.g grammer from ANTLR2, which is what H3 are > using over to ANTLR3. Although it's now obviously different (the > tree-rewriting syntax in particular has completely changed), the overall > grammar is identical. It should make it easier to pick up the second phase, > which is where all the hard work is done. > > On 3 Feb 2009, at 17:24, Fabio Maulo wrote: > > So you have changed the grammar+lexer from H3 because H3 are using an old > version of ANTLR, right ? > Do you want host the prj in uNhAddIns ? > > 2009/2/3 Steve Strong <[email protected]> > >> ANTLR 3.1 >> >> On 3 Feb 2009, at 17:13, Fabio Maulo wrote: >> >> Which ANTLR version are you using ? >> >> 2009/2/3 Steve <[email protected]> >> >>> >>> Hi All, >>> >>> Thought you might appreciate a quick update on what I've been up to. >>> The last couple of weeks have been a pretty steep learning curve, and >>> although I'm sure there's a long way to go, I think I've also made >>> some progress. >>> >>> As discussed a week or two back, I am going down the path of initially >>> getting a robust AST implementation of the HQL parser. Once complete, >>> the LINQ integration should be somewhat easier and cleaner, since it's >>> just(!) a mapping from LINQ expressions to HQL ASTs. I've had a good >>> look at both the Artorius code and the original Hibernate >>> implementation, and before heading off down the Artorius route I >>> decided to have a go at porting the ANTLR code over from Hibernate to >>> C#. If successful, this should mean that this area of NHibernate >>> would be closely in sync with Hibernate 3.1, and hence it should be >>> easier for us to pick up bug fixes, enhancements etc. >>> >>> Hibernate has a two phase approach - the first is to parse to HQL >>> strings into an AST and the second is to do a transform of the HQL-AST >>> into a SQL-AST. Right now, I'm just working on the first bit, and >>> although I've still got a bunch to do, it has started to come to >>> life. For the simple query of "from Animal", I've now got the same >>> AST being created in C# as in Java :) >>> >>> I'll keep you posted with further progress, and also let you know >>> where you can take a look at the code once I get it hosted somewhere. >>> >>> Cheers, >>> >>> Steve >>> >>> >>> >> >> >> -- >> Fabio Maulo >> >> >> > > > -- > Fabio Maulo > > > -- Fabio Maulo
