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File:/usr/local/share/autoconf/Autom4te/Request.pm
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1# autoconf -- create `configure' using m4 macros
2# Copyright (C) 2001, 2002, 2003, 2009, 2010 Free Software Foundation,
3# Inc.
4
5# This program is free software: you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation, either version 3 of the License, or
8# (at your option) any later version.
9
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13# GNU General Public License for more details.
14
15# You should have received a copy of the GNU General Public License
16# along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18package Autom4te::Request;
19
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=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
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use strict;
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use Autom4te::Struct;
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use Carp;
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use Data::Dumper;
39
40struct
41  (
42   # The key of the cache files.
43   'id' => "\$",
44   # True iff %MACRO contains all the macros we want to trace.
45   'valid' => "\$",
46   # The include path.
47   'path' => '@',
48   # The set of input files.
49   'input' => '@',
50   # The set of macros currently traced.
51   'macro' => '%',
52  );
53
54
55# Serialize a request or all the current requests.
56sub marshall($)
57{
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  my ($caller) = @_;
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  my $res = '';
60
61  # CALLER is an object: instance method.
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  my $marshall = Data::Dumper->new ([$caller]);
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  $marshall->Indent(2)->Terse(0);
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  $res = $marshall->Dump . "\n";
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  return $res;
67}
68
69
70# includes_p ($SELF, @MACRO)
71# --------------------------
72# Does this request covers all the @MACRO.
73sub includes_p
74{
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  my ($self, @macro) = @_;
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  foreach (@macro)
78    {
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      return 0
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        if ! exists ${$self->macro}{$_};
81    }
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  return 1;
83}
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=head1 SEE ALSO

L<Autom4te::C4che>

=head1 HISTORY

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

=cut
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981; # for require
99
100### Setup "GNU" style for perl-mode and cperl-mode.
101## Local Variables:
102## perl-indent-level: 2
103## perl-continued-statement-offset: 2
104## perl-continued-brace-offset: 0
105## perl-brace-offset: 0
106## perl-brace-imaginary-offset: 0
107## perl-label-offset: -2
108## cperl-indent-level: 2
109## cperl-brace-offset: 0
110## cperl-continued-brace-offset: 0
111## cperl-label-offset: -2
112## cperl-extra-newline-before-brace: t
113## cperl-merge-trailing-else: nil
114## cperl-continued-statement-offset: 2
115## End: