C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// # Copyright (C) 2003-2013 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . package Automake::Item; use 5.006; use strict; use Carp; use Automake::ChannelDefs; use Automake::DisjConditions; =head1 NAME Automake::Item - base class for Automake::Variable and Automake::Rule =head1 DESCRIPTION =head2 Methods =over 4 =item C Create and return an empty Item called C<$name>. =cut sub new ($$) { my ($class, $name) = @_; my $self = { name => $name, defs => {}, conds => {}, }; bless $self, $class; return $self; } =item C<$item-Ename> Return the name of C<$item>. =cut sub name ($) { my ($self) = @_; return $self->{'name'}; } =item C<$item-Edef ($cond)> Return the definition for this item in condition C<$cond>, if it exists. Return 0 otherwise. =cut sub def ($$) { # This method is called very often, so keep it small and fast. We # don't mind the extra undefined items introduced by lookup failure; # avoiding this with 'exists' means doing two hash lookup on # success, and proved worse on benchmark. my $def = $_[0]->{'defs'}{$_[1]}; return defined $def && $def; } =item C<$item-Erdef ($cond)> Return the definition for this item in condition C<$cond>. Abort with an internal error if the item was not defined under this condition. The I in front of C stands for I. One should call C to assert the conditional definition's existence. =cut sub rdef ($$) { my ($self, $cond) = @_; my $d = $self->def ($cond); prog_error ("undefined condition '" . $cond->human . "' for '" . $self->name . "'\n" . $self->dump) unless $d; return $d; } =item C<$item-Eset ($cond, $def)> Add a new definition to an existing item. =cut sub set ($$$) { my ($self, $cond, $def) = @_; $self->{'defs'}{$cond} = $def; $self->{'conds'}{$cond} = $cond; } =item C<$var-Econditions> Return an L describing the conditions that that an item is defined in. These are all the conditions for which is would be safe to call C. =cut sub conditions ($) { my ($self) = @_; prog_error ("self is not a reference") unless ref $self; return new Automake::DisjConditions (values %{$self->{