Can you provide a simple string to show the dyad ;: model accept quote inside number?
On Sun, Oct 6, 2019, 8:22 PM ethiejiesa via Programming < [email protected]> wrote: > Thank you for your lending some input. > > > 4r5 is a valid number in J. Would this explain the behaviour? > By "other", I was referring to the 'X' character class defined in the > input mapping table. I believe your example never hits this column of the > state table. > > Perhaps it's clearer to just focus on the Q class. When lexing numbers and > encountering a quote, the state table defines output code 4, so we emit a > vector. In other words, taken in isolation, this state cell says that > number tokens might contain quote characters, right? > > If I am understanding dyadic ;: correctly, then the example J lexer never > actually lets number tokens contain quote characters. So I am just curious > why it chooses to emit a vector in the above case anyway. > > On Sat, Oct 05, 2019 at 11:12:06PM -0700, 'robert therriault' via > Programming wrote: > > 4r5 is a valid number in J. Would this explain the behaviour? > > > > Cheers, bob > > > > > On Oct 5, 2019, at 6:21 PM, ethiejiesa via Programming < > [email protected]> wrote: > > > > > >> What would it emit instead? > > > Words that just happen to contain spaces. > > > > > > I just realized, however, that my original email example lets number > words contain trailing spaces. So, I agree that the cell "0 5" in the state > table needs to be what it is. However, if we're in state num and encounter > a quote or "other" character, I still don't grok why ev (emit vector) is > used instead of em (emit). Is there a case where we have a number token > containing a quote character, or likewise for "other" characters? > > > ---------------------------------------------------------------------- > > > For information about J forums see http://www.jsoftware.com/forums.htm > > > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
