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package CMakeWorkspaceCreator;
# ************************************************************
# Description : A CMake Workspace creator
# Author : Chad Elliott
# Create Date : 10/10/2022
# ************************************************************
# ************************************************************
# Pragmas
# ************************************************************
use strict;
use File::Basename;
use CMakeProjectCreator;
use WorkspaceCreator;
use vars qw(@ISA);
@ISA = qw(WorkspaceCreator);
# ************************************************************
# Data Section
# ************************************************************
my $version = '3.12.0';
# ************************************************************
# Subroutine Section
# ************************************************************
sub workspace_per_project {
#my $self = shift;
return 1;
}
sub workspace_file_name {
return 'CMakeLists.txt';
}
sub pre_workspace {
my($self, $fh) = @_;
my $crlf = $self->crlf();
$self->print_workspace_comment($fh,
'# CMake Workspace', $crlf,
'#', $crlf,
'# This file was generated by MPC.', $crlf,
'#', $crlf,
'# MPC Command:', $crlf,
'# ', $self->create_command_line_string($0, @ARGV), $crlf, $crlf);
}
sub out_of_tree {
my($self, $dir) = @_;
return ($dir =~ /^\.\.\// || !$self->path_is_relative($dir));
}
## Get the top level directory in the path. If the path does not contain
## a directory, the path will be returned unmodified.
sub get_top_directory {
my($self, $path) = @_;
## First, convert the path to a relative path based on the current working
## directory.
my $dir = $self->path_to_relative($self->getcwd(), $path);
if ($self->out_of_tree($dir)) {
## If the directory is above the current directory or not relative to
## the current working directory, we need to give the directory portion
## back and call it a day.
return $self->mpc_dirname($dir);
}
else {
my $done = 0;
do {
## Go up one directory. If we were already at the top directory,
## we're finished.
my $next = $self->mpc_dirname($dir);
if ($next eq '.') {
$done = 1;
}
else {
$dir = $next;
}
} while(!$done);
}
return $dir;
}
sub write_ws_top {
my($self, $fh, $ws) = @_;
my $crlf = $self->crlf();
print $fh "cmake_minimum_required(VERSION $version)", $crlf,
"project($ws CXX)", $crlf;
}
sub write_include_ws {
my($self, $prjs) = @_;
my $fh = new FileHandle();
my $dir = $self->mpc_dirname($$prjs[0]);
my $file = $dir . '/' . $self->workspace_file_name();
if (open($fh, ">$file")) {
my $crlf = $self->crlf();
$self->pre_workspace($fh);
$self->write_ws_top($fh, basename($dir));
foreach my $prj (@$prjs) {
print $fh "${crlf}include(", basename($prj), ")";
}
print $fh $crlf;
close($fh);
}
}
sub write_comps {
my($self, $fh, $creator) = @_;
my $status = 1;
my $errorString = '';
my @project_dirs;
my @projects = $self->sort_dependencies($self->get_projects(), 0);
## Build a list of top level directories. We only want to go down one
## directory. The workspace in that directory will handle going to
## other subdirectories.
my %dirs;
my %out_of_tree;
foreach my $entry (@projects) {
my $dir = $self->get_top_directory($entry);
if ($dir ne $entry) {
if (!exists $dirs{$dir}) {
## Keep track of the project existing in this directory
$dirs{$dir} = 1;
push(@project_dirs, $dir);
}
## If this directory is out-of-tree, it will not contain a top-level
## workspace (due to the way that workspace-per-directory works). We
## need to keep track of it here.
if ($self->out_of_tree($dir)) {
if (exists $out_of_tree{$dir}) {
push(@{$out_of_tree{$dir}}, $entry);
}
else {
$out_of_tree{$dir} = [$entry];
}
}
}
}
## Create the basis of a project so that we can add our add_subdirectory()
## calls below it.
my $crlf = $self->crlf();
my $ws = TemplateParser::actual_normalize(undef, $self->get_workspace_name());
$self->write_ws_top($fh, $ws);
my $first = 1;
my %bin_used;
foreach my $dir (@project_dirs) {
if ($first) {
$first = undef;
print $fh $crlf;
}
my $bin_dir = '';
if (exists $out_of_tree{$dir}) {
## Because this directory is out-of-tree, CMake requires a binary
## directory to be passed to add_subdirectory().
my $bin = basename($dir);
while(exists $bin_used{$bin}) {
$bin .= '_';
}
$bin_dir = " $bin";
$bin_used{$bin} = 1;
$self->write_include_ws($out_of_tree{$dir});
}
print $fh "add_subdirectory($dir$bin_dir)$crlf";
}
$first = 1;
foreach my $entry (@projects) {
my $dir = $self->mpc_dirname($entry);
if ($dir eq '.') {
if ($first) {
$first = undef;
print $fh $crlf;
}
print $fh "include($entry)$crlf";
}
}
return $status, $errorString;
}
1;
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