On Wed, 9 Jan 2008, Francois Maltey wrote: | | Hello Gabriel and all ! | | > On Wed, 9 Jan 2008, Ralf Hemmecke wrote: | > | > | I guess SPAD already allows | > | | > | _+: (%, %) -> % | > | > This is what I refered to earlier as `the operator needs to be quoted | > somehow' | | Is it possible to add easily an operator in the interpreter ?
With a table based parser, that is easy to do; but the interpreter uses a hand-written recursive descent parser. | | Suppose I test with students : | star (x, y) == x + y - x*y | | Then I prefer the command (x *%* y) *%* z to star (star (x, y), z)... If you use domains, you can overload + and *. -- Gaby ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ open-axiom-devel mailing list open-axiom-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/open-axiom-devel
