Function to process the input that was parsed.
Function to process the input that was parsed. console and emitter are used for input and output. Return true if everything worked, false otherwise.
(Changed in version 2.9.0) The p0 call-by-name arguments is evaluated at most once per constructed Parser object, instead of on every need that arises during parsing.
The usage message for an erroneous invocation.
The next driver simply spills the abstract syntax tree to the console.