NAME

App::CLI::Plugin::StackTrace - for App::CLI::Extension error stacktrace module

VERSION

1.1

SYNOPSIS

  # MyApp.pm
  package MyApp;
  
  use strict;
  use base qw(App::CLI::Extension);
  
  # extension method
  __PACKAGE__->load_plugins(qw(StackTrace));

  __PACKAGE__->config(stacktrace => 1);
  
  1;
  
  # MyApp/Hello.pm
  package MyApp::Hello;
  use strict;
  use feature ":5.10.0";
  use base qw(App::CLI::Command);
  
  sub run {
  
      my($self, @args) = @_;
	  my $x = 1;
	  my $y = 0;
	  my $res = $x / $y;
  }
  
  sub fail {
  
      my($self, @args) = @_;
	  print $self->e;
	  $self->exit_value(1);
  }
  
  # myapp
  #!/usr/bin/perl
  
  use strict;
  use MyApp;
  
  MyApp->dispatch;
  
  # execute
  [kurt@localhost ~] ./myapp hello
  MyApp::Hello
  
    Illegal division by zero at lib/MyApp/Hello.pm line 17.
  
  
  ----------
    MyApp::Hello at lib/MyApp/Hello.pm line 17.
  
       00012: sub run {
       00013:   
       00014: 	my($self, @args) = @_;
       00015: 	my $x = 1;
       00016: 	my $y = 0;
     * 00017: 	my $res = $x / $y;
       00018: }
       00019:   
       00020: sub fail {
       00021:  
       00022: 	my($self, @args) = @_;
  
    ==========
    App::CLI::Extension::Component::RunCommand at /usr/lib/perl5/site_perl/5.8.8/App/CLI/Extension/Component/RunCommand.pm line 36.
  
       00031: 
       00032: 	try {
       00033: 		$self->setup(@argv);
       00034: 		$self->prerun(@argv);
       00035: 		if ($self->finished == 0) {
     * 00036: 			$self->run(@argv);
       00037: 			$self->postrun(@argv);
       00038: 		}
       00039: 	}
       00040: 	catch App::CLI::Extension::Exception with {
       00041: 		# $self->e is App::CLI::Extension::Exception object. execute $self->throw($message)
  
    ==========
    App::CLI::Extension::Component::RunCommand at /usr/lib/perl5/site_perl/5.8.8/App/CLI/Extension/Component/RunCommand.pm line 54.
  
       00049: 		$self->exit_value($FAIL_EXIT_VALUE);
       00050: 		$self->fail(@argv);
       00051: 	}
       00052: 	finally {
       00053: 		$self->finish(@argv);
     * 00054: 	};
       00055: 
       00056: 	if (exists $ENV{APPCLI_NON_EXIT}) {
       00057: 		no strict "refs";  ## no critic
       00058: 		my $dispatch_pkg = $self->app;
       00059: 		${"$dispatch_pkg\::EXIT_VALUE"} = $self->exit_value;
  
    ==========
    App::CLI::Extension at /usr/lib/perl5/site_perl/5.8.8/App/CLI/Extension.pm line 179.
  
       00174: 			unshift @{"$pkg\::ISA"}, @{$class->_plugins};
       00175: 		}
       00176: 		$cmd->config($class->_config);
       00177: 		$cmd->orig_argv($class->_orig_argv);
       00178: 	}
     * 00179: 	$cmd->run_command(@ARGV);
       00180: }
       00181: 
       00182: ## I really does not want....
       00183: sub error_cmd {
       00184: 	"Command not recognized, try $0 help.\n";
  
    ==========
    main at myapp line 7.
  
       00002: 
       00003: use strict;
       00004: use lib qw(./lib);
       00005: use MyApp;
       00006: 
     * 00007: MyApp->dispatch;
       00008: 
  
    ==========
  ----------

DESCRIPTION

App::CLI::Extension stacktrace plugin module

TIPS

How to display the stacktrace

CONFIG

If one is to enable the stacktrace is displayed when an error occurs. If enable is 0 is a normal error message appears when an error occurs

Example:

# MyApp.pm
__PACKAGE__->config(stacktrace => 1);

ENVIRON VARIABLE

APPCLI_STACKTRACE_ENABLE environ variable setup. 1: stacktrace 0: normal error message

Example:

export APPCLI_STACKTRACE_ENABLE=1
./myapp hello

OPTION

stacktrace option allows you to specify at runtime, stacktrace can view

Example:

# MyApp/Hello.pm
sub options {
    return(stacktrace => "stacktrace");
}

# MyApp
./myapp --stacktrace hello

AUTHOR

Akira Horimoto

SEE ALSO

App::CLI::Extension Devel::StackTrace

LICENSE

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

Copyright (C) 2010 Akira Horimoto