I could look it up, but I could also just write this email. Do you know what parser they use? If ANTLR, mm-ADT is happy. And if its licensed Apache2, maybe we gut it for parts. Too Fast Too Furious style.
<Always in my heart Paul Walker/> Marko. http://rredux.com <http://rredux.com/> > On Jul 30, 2019, at 3:07 PM, Stephen Mallette <spmalle...@gmail.com> wrote: > > Interesting - didn't expect that as an answer. > > fwiw, exp4j makes adding new functions and operator really easy. also just > a few lines of code. > > On Tue, Jul 30, 2019 at 2:26 PM Daniel Kuppitz <m...@gremlin.guru> wrote: > >> I agree. Calculators are the Hello World of ANTLR, thus it will be pretty >> easy to make our own lib, and it will be super easy to add new functions >> (e.g. if someone asks for STDDEV and PERCENTILE, it's really just a few >> lines of code for us). >> From a user perspective, there would be no difference compared to what we >> have now, everything would be string-based. >> >> Cheers, >> Daniel >> >> >> On Tue, Jul 30, 2019 at 4:34 AM Marko Rodriguez <okramma...@gmail.com> >> wrote: >> >>> Hi, >>> >>> I think we should create our own math library. We will need it for >> mm-ADT, >>> Kuppitz has the ANTLR chops down, … >>> >>> Marko. >>> >>> http://rredux.com <http://rredux.com/> >>> >>> >>> >>> >>>> On Jul 30, 2019, at 5:31 AM, Stephen Mallette <spmalle...@gmail.com> >>> wrote: >>>> >>>> Kuppitz just answered a question on gremlin-users that involved math() >>>> which is backed by exp4j. That made me recall that exp4j is technically >>> not >>>> maintained anymore. While it is a stable library it seems a bit >> worrisome >>>> that we're a bit dead-ended there. The README currently says that the >>>> author is looking for volunteers to replace him and it's been that way >>> for >>>> a while. >>>> >>>> I"m not sure what the alternatives are to exp4j and I imagine that >>>> alternatives might come with expression syntax changes which wouldn't >> be >>>> good. >>>> >>>> Anyone have any thoughts on this? >>> >>> >>
