晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Current File : //usr/share/autoconf/Autom4te/Request.pm
# autoconf -- create `configure' using m4 macros
# Copyright (C) 2001-2003, 2009-2012 Free Software Foundation, Inc.

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

package Autom4te::Request;

=head1 NAME

Autom4te::Request - a single m4 run request

=head1 SYNOPSIS

  use Autom4te::Request;

=head1 DESCRIPTION

This perl module provides various general purpose support functions
used in several executables of the Autoconf and Automake packages.

=cut

use strict;
use Class::Struct;
use Carp;
use Data::Dumper;

struct
  (
   # The key of the cache files.
   'id' => "\$",
   # True iff %MACRO contains all the macros we want to trace.
   'valid' => "\$",
   # The include path.
   'path' => '@',
   # The set of input files.
   'input' => '@',
   # The set of macros currently traced.
   'macro' => '%',
  );


# Serialize a request or all the current requests.
sub marshall($)
{
  my ($caller) = @_;
  my $res = '';

  # CALLER is an object: instance method.
  my $marshall = Data::Dumper->new ([$caller]);
  $marshall->Indent(2)->Terse(0);
  $res = $marshall->Dump . "\n";

  return $res;
}


# includes_p ($SELF, @MACRO)
# --------------------------
# Does this request covers all the @MACRO.
sub includes_p
{
  my ($self, @macro) = @_;

  foreach (@macro)
    {
      return 0
	if ! exists ${$self->macro}{$_};
    }
  return 1;
}


=head1 SEE ALSO

L<Autom4te::C4che>

=head1 HISTORY

Written by Akim Demaille E<lt>F<akim@freefriends.org>E<gt>.

=cut



1; # for require

### Setup "GNU" style for perl-mode and cperl-mode.
## Local Variables:
## perl-indent-level: 2
## perl-continued-statement-offset: 2
## perl-continued-brace-offset: 0
## perl-brace-offset: 0
## perl-brace-imaginary-offset: 0
## perl-label-offset: -2
## cperl-indent-level: 2
## cperl-brace-offset: 0
## cperl-continued-brace-offset: 0
## cperl-label-offset: -2
## cperl-extra-newline-before-brace: t
## cperl-merge-trailing-else: nil
## cperl-continued-statement-offset: 2
## End:

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