The view from the bottom

Perl 6 rules tend to act like a recursive-descent parser

Using recursive-descent rules to encode operator precedence in expressions can be tedious and slow

Since expression parsing is common to many languages, PGE now provides a built-in operator-precedence parser.

Interface details are still being worked out, but:

• Create or copy a PGE::OpParse object

• Install it in a lexical pad or global namespace

• Add operator precedence rules to the OpParse object

• Call the <opparse> subrule