Server IP : 127.0.0.2 / Your IP : 3.147.80.203 Web Server : Apache/2.4.18 (Ubuntu) System : User : www-data ( ) PHP Version : 7.0.33-0ubuntu0.16.04.16 Disable Function : disk_free_space,disk_total_space,diskfreespace,dl,exec,fpaththru,getmyuid,getmypid,highlight_file,ignore_user_abord,leak,listen,link,opcache_get_configuration,opcache_get_status,passthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,php_uname,phpinfo,posix_ctermid,posix_getcwd,posix_getegid,posix_geteuid,posix_getgid,posix_getgrgid,posix_getgrnam,posix_getgroups,posix_getlogin,posix_getpgid,posix_getpgrp,posix_getpid,posix,_getppid,posix_getpwnam,posix_getpwuid,posix_getrlimit,posix_getsid,posix_getuid,posix_isatty,posix_kill,posix_mkfifo,posix_setegid,posix_seteuid,posix_setgid,posix_setpgid,posix_setsid,posix_setuid,posix_times,posix_ttyname,posix_uname,pclose,popen,proc_open,proc_close,proc_get_status,proc_nice,proc_terminate,shell_exec,source,show_source,system,virtual MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /usr/share/perl/5.22.1/CPAN/Exception/ |
Upload File : |
# -*- Mode: cperl; coding: utf-8; cperl-indent-level: 4 -*- # vim: ts=4 sts=4 sw=4: package CPAN::Exception::RecursiveDependency; use strict; use overload '""' => "as_string"; use vars qw( $VERSION ); $VERSION = "5.5"; # a module sees its distribution (no version) # a distribution sees its prereqs (which are module names) (usually with versions) # a bundle sees its module names and/or its distributions (no version) sub new { my($class) = shift; my($deps_arg) = shift; my (@deps,%seen,$loop_starts_with); DCHAIN: for my $dep (@$deps_arg) { push @deps, {name => $dep, display_as => $dep}; if ($seen{$dep}++) { $loop_starts_with = $dep; last DCHAIN; } } my $in_loop = 0; for my $i (0..$#deps) { my $x = $deps[$i]{name}; $in_loop ||= $loop_starts_with && $x eq $loop_starts_with; my $xo = CPAN::Shell->expandany($x) or next; if ($xo->isa("CPAN::Module")) { my $have = $xo->inst_version || "N/A"; my($want,$d,$want_type); if ($i>0 and $d = $deps[$i-1]{name}) { my $do = CPAN::Shell->expandany($d); $want = $do->{prereq_pm}{requires}{$x}; if (defined $want) { $want_type = "requires: "; } else { $want = $do->{prereq_pm}{build_requires}{$x}; if (defined $want) { $want_type = "build_requires: "; } else { $want_type = "unknown status"; $want = "???"; } } } else { $want = $xo->cpan_version; $want_type = "want: "; } $deps[$i]{have} = $have; $deps[$i]{want_type} = $want_type; $deps[$i]{want} = $want; $deps[$i]{display_as} = "$x (have: $have; $want_type$want)"; } elsif ($xo->isa("CPAN::Distribution")) { $deps[$i]{display_as} = $xo->pretty_id; if ($in_loop) { $xo->{make} = CPAN::Distrostatus->new("NO cannot resolve circular dependency"); } else { $xo->{make} = CPAN::Distrostatus->new("NO one dependency ($loop_starts_with) is a circular dependency"); } $xo->store_persistent_state; # otherwise I will not reach # all involved parties for # the next session } } bless { deps => \@deps, loop_starts_with => $loop_starts_with }, $class; } sub as_string { my($self) = shift; my $deps = $self->{deps}; my $loop_starts_with = $self->{loop_starts_with}; unless ($loop_starts_with) { return "--not a recursive/circular dependency--"; } my $ret = "\nRecursive dependency detected:\n "; $ret .= join("\n => ", map {$_->{display_as}} @$deps); $ret .= ".\nCannot resolve.\n"; $ret; } 1;