I don't see how that could be a difficult problem but I don't really understand what it is that you are saying. What is the problem that you think would give you trouble? How would integrating it into the database be troublesome?
On Tue, Jan 1, 2013 at 3:53 PM, Piaget Modeler <[email protected]>wrote: > Hello all, > I'm attempting to create parse trees for user input to the following > simple grammar: > *term := number | moment | string | symbol | scheme | collection* > *number := #nnnn.nnn -- where n is a > digit.* > *moment := @nnnnnnnnnnnnnnnn -- where n is a digit* > *string := $[ccccccc] -- where c > is a character* > *symbol := cccccccc -- where c is > a character* > *slot := ccccccccc ** -- where > c is a character* > *scheme := positional | slotted * > *positional := symbol( term* ) -- where term **is > zero or more & slot** * > *slotted := symbol(slot:term* ) -- where slot & term > pair is one or more.* > *collection := sequence | concurrence | choice | cycle* > *sequence := [ term* ] -- where [ ] > are delimiters* > *concurrence := ( term* ) -- where ( ) > are delimiters* > *choice := { term* } -- where { } > are delimiters* > *cycle := < term* > -- where < > > are delimiters* > > After an input expression is parsed and a parse tree is generated, I'd > like to be able to: > (1) query the parse tree against a database > (2) merge the parse tree into the database. > Other requirements: The parse itself should be on the order of > milliseconds. > Your thoughts on approaches or tools is appreciated? > ~PM > > ------------------------------------------------------------------------------------------------------------------------------------------------ > *Confidential *- *This message is meant solely for the intended > recipient. Please do not copy or forward this message without * > *the consent of the sender. If you have received this message in error, > please delete the message and notify the sender.* > *AGI* | Archives <https://www.listbox.com/member/archive/303/=now> > <https://www.listbox.com/member/archive/rss/303/10561250-470149cf> | > Modify<https://www.listbox.com/member/?&;>Your Subscription > <http://www.listbox.com> > ------------------------------------------- AGI Archives: https://www.listbox.com/member/archive/303/=now RSS Feed: https://www.listbox.com/member/archive/rss/303/21088071-f452e424 Modify Your Subscription: https://www.listbox.com/member/?member_id=21088071&id_secret=21088071-58d57657 Powered by Listbox: http://www.listbox.com
