Peter Goodman wrote: > Another possibility is to allow commit points in grammars. Imagine Prolog's > cut operator, but used instead used as a way to say that once we're past > some symbol > in a phrase then if we fail to match the *production rule* then there has > been > a parse error.
For us old guys, this may be equivalent to Spitbol's fence operator. Once you pass a fence, no rule (not just the current one) can back up over it. Bob _______________________________________________ PEG mailing list PEG@lists.csail.mit.edu https://lists.csail.mit.edu/mailman/listinfo/peg
