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#!/usr/bin/env perl
#
# Copyright (c) 2015 Research Organization for Information Science
# and Technology (RIST). All rights reserved.
# Copyright (c) 2015-2020 Cisco Systems, Inc. All rights reserved.
# $COPYRIGHT$
#
# Subroutine to generate a bunch of Fortran declarations and symbols
#
use strict;
use Getopt::Long;
my $caps_arg;
my $plain_arg;
my $single_underscore_arg;
my $double_underscore_arg;
my $help_arg = 0;
&Getopt::Long::Configure("bundling");
my $ok = Getopt::Long::GetOptions("caps=i" => \$caps_arg,
"plain=i" => \$plain_arg,
"single=i" => \$single_underscore_arg,
"double=i" => \$double_underscore_arg,
"help|h" => \$help_arg);
if ($help_arg || !$ok) {
print "Usage: $0 [--caps|--plain|--single|--double] [--help]\n";
exit(1 - $ok);
}
my $file_c_constants_decl = "mpif-c-constants-decl.h";
my $file_c_constants = "mpif-c-constants.h";
my $file_f08_types = "mpif-f08-types.h";
# If we are not building fortran, then just make empty files
if ($caps_arg + $plain_arg + $single_underscore_arg +
$double_underscore_arg == 0) {
system("touch $file_c_constants_decl");
system("touch $file_c_constants");
system("touch $file_f08_types");
exit(0);
}
###############################################################
# Declare a hash of all the Fortran sentinel values
my $fortran;
$fortran->{bottom} = {
c_type => "int",
c_name => "mpi_fortran_bottom",
f_type => "integer",
f_name => "MPI_BOTTOM",
};
$fortran->{in_place} = {
c_type => "int",
c_name => "mpi_fortran_in_place",
f_type => "integer",
f_name => "MPI_IN_PLACE",
};
$fortran->{unweighted} = {
c_type => "int",
c_name => "mpi_fortran_unweighted",
f_type => "integer, dimension(1)",
f_name => "MPI_UNWEIGHTED",
};
$fortran->{weights_empty} = {
c_type => "int",
c_name => "mpi_fortran_weights_empty",
f_type => "integer, dimension(1)",
f_name => "MPI_WEIGHTS_EMPTY",
};
$fortran->{argv_null} = {
c_type => "char",
c_name => "mpi_fortran_argv_null",
f_type => "character, dimension(1)",
f_name => "MPI_ARGV_NULL",
};
$fortran->{argvs_null} = {
c_type => "char",
c_name => "mpi_fortran_argvs_null",
f_type => "character, dimension(1, 1)",
f_name => "MPI_ARGVS_NULL",
};
$fortran->{errcodes_ignore} = {
c_type => "int",
c_name => "mpi_fortran_errcodes_ignore",
f_type => "integer, dimension(1)",
f_name => "MPI_ERRCODES_IGNORE",
};
$fortran->{status_ignore} = {
c_type => "int *",
c_name => "mpi_fortran_status_ignore",
f_type => "type(MPI_STATUS)",
f_name => "MPI_STATUS_IGNORE",
};
$fortran->{statuses_ignore} = {
c_type => "int *",
c_name => "mpi_fortran_statuses_ignore",
f_type => "type(MPI_STATUS)",
f_name => "MPI_STATUSES_IGNORE(1)",
};
###############################################################
sub mangle {
my $name = shift;
if ($plain_arg) {
return $name;
} elsif ($caps_arg) {
return uc($name);
} elsif ($single_underscore_arg) {
return $name . "_";
} elsif ($double_underscore_arg) {
return $name . "__";
} else {
die "Unknown name mangling type";
}
}
sub gen_c_constants_decl {
open(OUT, ">$file_c_constants_decl") ||
die "Can't write to $file_c_constants_decl";
print OUT "/* WARNING: This is a generated file! Edits will be lost! */
/*
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2015 Cisco Systems, Inc. All rights reserved.
* \$COPYRIGHT\$
*
* This file was generated by gen-mpi-mangling.pl
*/
/* Note that the rationale for the types of each of these variables is
discussed in ompi/include/mpif-common.h. Do not change the types
without also changing ompi/runtime/ompi_mpi_init.c and
ompi/include/mpif-common.h. */\n\n";
foreach my $key (sort(keys(%{$fortran}))) {
my $f = $fortran->{$key};
my $m = mangle($f->{c_name});
print OUT "extern $f->{c_type} $m;
#define OMPI_IS_FORTRAN_" . uc($key) . "(addr) \\
(addr == (void*) &$m)\n\n";
}
close(OUT);
}
sub gen_c_constants {
open(OUT, ">$file_c_constants") ||
die "Can't write to $file_c_constants";
print OUT "/* WARNING: This is a generated file! Edits will be lost! */
/*
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2015 Cisco Systems, Inc. All rights reserved.
* \$COPYRIGHT\$
*
* This file was generated by gen-mpi-mangling.pl
*/\n\n";
foreach my $key (sort(keys(%{$fortran}))) {
my $f = $fortran->{$key};
my $m = mangle($f->{c_name});
print OUT "$f->{c_type} $m;\n";
}
close (OUT);
}
sub gen_f08_types {
open(OUT, ">$file_f08_types") ||
die "Can't write to $file_f08_types";
print OUT "! WARNING: This is a generated file! Edits will be lost! */
!
! Copyright (c) 2015 Research Organization for Information Science
! and Technology (RIST). All rights reserved.
! Copyright (c) 2015 Cisco Systems, Inc. All rights reserved.
! \$COPYRIGHT\$
!
! This file was generated by gen-mpi-mangling.pl
!\n\n";
foreach my $key (sort(keys(%{$fortran}))) {
my $f = $fortran->{$key};
print OUT "$f->{f_type}, bind(C, name=\"".mangle($f->{c_name})."\") :: $f->{f_name}\n";
}
close (OUT);
}
gen_c_constants_decl();
gen_c_constants();
gen_f08_types();
exit(0);
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