| Server IP : 85.214.239.14 / Your IP : 3.137.198.239 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /proc/self/root/usr/share/doc/libparse-recdescent-perl/examples/ |
Upload File : |
#!/usr/bin/perl -sw
# IMPLICIT SUB RULES, OKAY!
use strict;
use Parse::RecDescent;
my $grammar =
q{
{ my $state = "happy"; }
testimony : declaration(s)
{ print "Ended up $state\n"; }
declaration : 'I' ('like'|'loathe')(s) ('ice-cream'|'lawyers')
{ print "$item[3]\n";
$state = 'happy/sad'; }
| 'I' ("can't"|"can") ('fly'|'swim')
{ print "$item[3]\n";
$state = 'able/unable'; }
| <error>
};
my $parse = new Parse::RecDescent ($grammar);
my $input;
while (defined ($input = <>))
{
$parse->testimony($input) or print "huh?\n";
}