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Code Editor : C.pm

package FFI::Build::File::C;

use strict;
use warnings;
use 5.008001;
use base qw( FFI::Build::File::Base );
use constant default_suffix => '.c';
use constant default_encoding => ':utf8';
use Capture::Tiny ();
use File::Path ();
use FFI::Build::File::Object;

# ABSTRACT: Class to track C source file in FFI::Build
our $VERSION = '1.31'; # VERSION

sub accept_suffix
{
  (qr/\.(c|i)$/)
}

sub build_item
{
  my($self) = @_;

my $oname = $self->basename;
  $oname =~ s/\.(c(xx|pp)|i)?$//;
  $oname .= $self->platform->object_suffix;

my $buildname = '_build';
  $buildname = $self->build->buildname if $self->build;

my $object = FFI::Build::File::Object->new(
    [ $self->dirname, $buildname, $oname ],
    platform => $self->platform,
    build    => $self->build,
  );

return $object if -f $object->path && !$object->needs_rebuild($self->_deps);

File::Path::mkpath($object->dirname, { verbose => 0, mode => oct(700) });

my @cmd = (
    $self->_base_args,
    -c => $self->path,
    $self->platform->flag_object_output($object->path),
  );

my($out, $exit) = Capture::Tiny::capture_merged(sub {
    $self->platform->run(@cmd);
  });

if($exit || !-f $object->path)
  {
    print $out;
    die "error building $object from $self";
  }
  elsif($self->build && $self->build->verbose >= 2)
  {
    print $out;
  }
  elsif($self->build && $self->build->verbose >= 1)
  {
    print "CC @{[ $self->path ]}\n";
  }

$object;
}

sub cc
{
  my($self) = @_;
  $self->platform->cc;
}

sub _base_args
{
  my($self) = @_;
  my @cmd = ($self->cc);
  push @cmd, $self->build->cflags_I if $self->build;
  push @cmd, $self->platform->ccflags;
  push @cmd, @{ $self->build->cflags } if $self->build;
  @cmd;
}

sub _base_args_cpp
{
  my($self) = @_;
  my @cmd = ($self->platform->cpp);
  push @cmd, $self->build->cflags_I if $self->build;
  push @cmd, grep /^-[DI]/, $self->platform->ccflags;
  push @cmd, grep /^-D/, @{ $self->build->cflags } if $self->build;
  @cmd;
}

sub build_item_cpp
{
  my($self) = @_;

my $oname = $self->basename;
  $oname =~ s/\.(c(xx|pp)|i)$?$//;
  $oname .= '.i';

my $buildname = '_build';
  $buildname = $self->build->buildname if $self->build;

my $ifile = FFI::Build::File::C->new(
    [ $self->dirname, $buildname, $oname ],
    platform => $self->platform,
    build    => $self->build,
  );

File::Path::mkpath($ifile->dirname, { verbose => 0, mode => oct(700) });

my @cmd = (
    $self->_base_args_cpp,
    $self->path,
  );

my($out, $err, $exit) = Capture::Tiny::capture(sub {
    $self->platform->run(@cmd);
  });

if($exit)
  {
    print "[out]\n$out\n" if defined $out && $out ne '';
    print "[err]\n$err\n" if defined $err && $err ne '';
    die "error building $ifile from $self";
  }
  else
  {
    my $fh;
    open($fh, '>', $ifile->path);
    print $fh $out;
    close $fh;
  }

$ifile;
}

sub _deps
{
  my($self) = @_;

return $self->path unless $self->platform->cc_mm_works;

my @cmd = (
    $self->_base_args,
    '-MM',
    $self->path,
  );

my($out,$err,$exit) = Capture::Tiny::capture(sub {
    $self->platform->run(@cmd);
  });

if($exit)
  {
    print $out;
    print $err;
    warn "error computing dependencies for $self";
    return ($self->path);
  }
  else
  {
    $out =~ s/^\+.*\n//; # remove the command line
                         # which on windows could have an confusing :
    my(undef, $deps) = split /:/, $out, 2;
    $deps =~ s/^\s+//;
    $deps =~ s/\s+$//;
    return grep !/^\\$/, split /\s+/, $deps;
  }
}

__END__

=pod

=encoding UTF-8

=head1 NAME

FFI::Build::File::C - Class to track C source file in FFI::Build

=head1 VERSION

version 1.31

=head1 SYNOPSIS

use FFI::Build::File::C;
 
 my $c = FFI::Build::File::C->new('src/foo.c');

=head1 DESCRIPTION

File class for C source files.

=head1 AUTHOR

Author: Graham Ollis E<lt>plicease@cpan.orgE<gt>

Contributors:

Bakkiaraj Murugesan (bakkiaraj)

Dylan Cali (calid)

pipcet

Zaki Mughal (zmughal)

Fitz Elliott (felliott)

Vickenty Fesunov (vyf)

Gregor Herrmann (gregoa)

Shlomi Fish (shlomif)

Damyan Ivanov

Ilya Pavlov (Ilya33)

Petr Pisar (ppisar)

Mohammad S Anwar (MANWAR)

Håkon Hægland (hakonhagland, HAKONH)

Meredith (merrilymeredith, MHOWARD)

Diab Jerius (DJERIUS)

=head1 COPYRIGHT AND LICENSE

This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.

=cut

${this.title}

Code Editor : C.pm