File: gvhdl.in

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freehdl 0.0.8-2.2
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#!@PERL@
# -*- perl -*-
use Socket;
use strict; 

my $cc = "@CXX@";
my $libtool = "@SYSTEM_LIBTOOL@";
my $libtool_options = "--mode=link --tag CXX";
my $vhdl_source_name = "";
my $source = "";
my $includes = "";
my $cpplibs = "-lm FREEHDL/lib/libfreehdl-kernel.la FREEHDL/lib/libfreehdl-std.la";
my $vhdl_library = ""; # Library the design entity is compiled into
my $cpp_options = "";
my $vhdl_options = "";
my $no_cpp_compile = 0;
my $verbose = 0;
my $use_sockets = 0;
my $vhdl_libdir = "FREEHDL/share/freehdl/lib";
my $freehdl_root_path= "";

# set root path of the FreeHDL system
sub set_freehdl_root_path {
  if (not -f "@prefix@/bin/freehdl-v2cc") {
    $freehdl_root_path = $ENV{'FREEHDL'};
    if ($freehdl_root_path ne "") { return; }
  } else {
    $freehdl_root_path = "@prefix@"; return;
  }
  # if environment variable is not set then test
  # each parent directory
  my $path = "@prefix@/share/freehdl/lib";
  while (1) {
    # test whether $path is a valid path
    if (not -d "$path/") { die "Could not find FreeHDL root path! Please set environment FREEHDL."; }
    # is there a file named v2cc.libs in the directory?
    if (not -f "$path/v2cc.libs") { $path = $path . "/.."; next; }
    # open file and analyze content
    open INFILE, "$path/v2cc.libs" or die "Could not read $path/v2cc.libs\n";
    my $text = ""; 
    while (<INFILE>) { 
      s/\n//g;
      $text = $text . " " . $_; 
    }
    my $found = 1;
    if ($text !~ /std\s*:\s*std/i) { $found = 0; }
    if ($text !~ /ieee\s*:\s*ieee/i) { $found = 0; }
    close(INFILE);
    # return result if freehdl root path was found
    if ($found == 1) { 
      $freehdl_root_path = $path;
      return;
    }
    # try next path
    $path = $path . "/..";
  }
};


sub update {
  $_ = $_[0];
  s/FREEHDL/$freehdl_root_path/g;
  return $_;
}


sub execute_cmd {
  my $cmd = $_[0];
  my $label_text = $_[1];
  my $out_file = $_[2];
  open(COMMAND, "$cmd 2>&1 |");
  while (<COMMAND>) {
    print $out_file, "$label_text$_";
  }
  return close(COMMAND)? 0 : 256;
}


# The main program
sub main {
  # determine root path of freehdl installation
  set_freehdl_root_path;
  print "gvhdl: FreeHDL root path is '$freehdl_root_path'.\n";
  $includes = "-I $freehdl_root_path/include";
  my $MSTREAM;
  my $ESTREAM;
  my $PROGRESS_BAR;
  open(MSTREAM, ">&STDOUT");
  open(ESTREAM, ">&STDERR");
  open(PROGRESS_BAR, ">/dev/null");
  
  $cpplibs = update($cpplibs);
  $libtool = update($libtool);
  $vhdl_libdir = update($vhdl_libdir);

  my $arg_index = 0;
  my $do_link = 1;
  my $create_simulator = 1;
  my @source_files;
  my $object_files;
  while ($arg_index < scalar(@ARGV)) {
    my $argument = $ARGV[$arg_index];
    if ($argument =~ /^\-l/) {
      die "gvhdl: Missing argument for '-l'!\n" if (++$arg_index >= scalar(@ARGV));
      $vhdl_library = "-l " . $ARGV[$arg_index];
    } elsif ($argument =~ /^\-C/) {
      $cc = $ARGV[++$arg_index];
    } elsif ($argument =~ /^\-FHDLgui/) {
      # gvhdl will communiate with is caller via 2 sockets. The socket
      # file names are generated from the base string passed over as a
      # argument to option FHDLgui. The actual file names are derived
      # by appending channel number 0 or 4 to the base name. Channel 0
      # is used for printing messages generated during code
      # generation/compilation/linking while channel 4 is used to
      # print progress information.
      my $socket_base_name = $ARGV[++$arg_index];

      my $socket_name = $socket_base_name . "0";
      socket(MSTREAM, PF_UNIX, SOCK_STREAM, 0)  || die "socket: $!";
      connect(MSTREAM, sockaddr_un($socket_name)) || die "connect: $!";
      $ESTREAM = $MSTREAM;

      my $socket_name = $socket_base_name . "4";
      socket(PROGRESS_BAR, PF_UNIX, SOCK_STREAM, 0)  || die "socket: $!";
      connect(PROGRESS_BAR, sockaddr_un($socket_name)) || die "connect: $!";

      $use_sockets = 1;

    } elsif ($argument =~ /^\-L/) {
      $vhdl_libdir .= " -L " . $ARGV[++$arg_index];
    } elsif ($argument =~ /^\-R/) {
      $vhdl_options = $vhdl_options . " -R";
    } elsif ($argument =~ /^\-g/) {
      $vhdl_options = $vhdl_options . " -g";
      $cpp_options = $cpp_options . " -g";
    } elsif ($argument =~ /^\-c/) {
      $do_link = 0;
      $create_simulator = 0;
      $cpp_options = $cpp_options . " -c";
    } elsif ($argument =~ /^\-G/) {
      $cpp_options = $cpp_options . " -g";
    } elsif ($argument =~ /^\-v/) {
      $verbose = 1;
    } elsif ($argument =~ /^\-V/) {
      $vhdl_options = $vhdl_options . " -v";
    } elsif ($argument =~ /^\-D/) {
      $vhdl_options = $vhdl_options . " -D";
    } elsif ($argument =~ /^\--relaxed-component-visibility/) {
      $vhdl_options = $vhdl_options . " --relaxed-component-visibility";
    } elsif ($argument =~ /^\--libieee/) {
	$cpplibs .= " " . update ("FREEHDL/lib/freehdl/libieee.la");
    } elsif ($argument =~ /^\-/) {
      $cpp_options = $cpp_options . " " . $argument;
    } else {
      push @source_files, $argument;
    }
    ++$arg_index;
  }


  my $steps = scalar(@source_files);
  if ($no_cpp_compile == 0) { $steps *= 2; }
  if ($do_link == 1) { $steps += 1; }
  $steps = int(99 / $steps);
  my $progress_value = 0;

  ##############################################################
  # Create name for main file
  ##############################################################
  my $main_file_name;
  my $main_vhdl_file;
  if ($create_simulator == 1) {
    $_ = $source_files [0];
    if ($_ =~ /\.vhdl$/) { $main_vhdl_file = $_; }
    s/\.[^\.]*$/\._main_/i;
    $main_file_name = $_;
  }

  ##############################################################
  # process each source file 
  ##############################################################
  foreach $vhdl_source_name (@source_files) {
    # skip object (*.o) files
    if ($vhdl_source_name =~ /\.o$/) { 
      $object_files = $object_files . " " . $vhdl_source_name;
      next;
    }
    # skip object (*.a) files
    if ($vhdl_source_name =~ /\.a$/) { 
      $object_files = $object_files . " " . $vhdl_source_name;
      next;
    }
    ##############################################################
    # Comiling vhdl -> cc
    ##############################################################
    $_ = $vhdl_source_name;
    s/\.[^\.]*$/\.cc/i;
    my $out_file_name = $_;
  
    my $cmd;
    if ($create_simulator == 1 && 
	$main_vhdl_file == $vhdl_source_name) {
      $cmd = "$freehdl_root_path/bin/freehdl-v2cc -m $main_file_name.cc -L $vhdl_libdir $vhdl_library $vhdl_options -o $out_file_name $vhdl_source_name";
    } else {
      $cmd = "$freehdl_root_path/bin/freehdl-v2cc -L $vhdl_libdir $vhdl_library $vhdl_options -o $out_file_name $vhdl_source_name";
    }
    print MSTREAM "gvhdl: executing '$cmd'\n";
    if (execute_cmd ($cmd, "", $MSTREAM)/256 != 0) {
      print ESTREAM "gvhdl: Compilation failed!\n";
      print PROGRESS_BAR "99";
      die;
    }

    $progress_value = int($progress_value + $steps);
    print PROGRESS_BAR $progress_value;

    ##############################################################
    # Comiling cc -> o
    ##############################################################
    $_ = $out_file_name;
    s/\.[^\.]*$/\.o/i;
    $object_files .= " " . $_;
    
    if ($no_cpp_compile == 0) {
      my $cmd = "$cc $cpp_options $includes -c $out_file_name";
      print MSTREAM "gvhdl:\n";
      print MSTREAM "gvhdl: ================================\n";
      print MSTREAM "gvhdl: Compiling '$out_file_name'...\n";
      print MSTREAM "gvhdl: ================================\n";
      print MSTREAM "gvhdl: $cmd\n";
      if (execute_cmd ($cmd, "c++: ", $MSTREAM)/256 != 0) {
	print ESTREAM "gvhdl: Compilation failed!\n";
	print PROGRESS_BAR "99";
	die;
      }

      $progress_value = int($progress_value + $steps);
      print PROGRESS_BAR $progress_value;
    }
  }

  ##############################################################
  # Comiling main cc file -> o
  ##############################################################
  if ($create_simulator == 1) {
    my $out_file_name = $main_file_name . ".cc";
    my $cmd = "$cc $cpp_options $includes -c $out_file_name";
    print MSTREAM "gvhdl:\n";
    print MSTREAM "gvhdl: ================================\n";
    print MSTREAM "gvhdl: Compiling simulator main file '$out_file_name'...\n";
    print MSTREAM "gvhdl: ================================\n";
    print MSTREAM "gvhdl: $cmd\n";
    if (execute_cmd ($cmd, "c++: ", $MSTREAM)/256 != 0) {
      print ESTREAM "gvhdl: Compilation failed!\n";
      print PROGRESS_BAR "99";
      die;
    }
    
    $progress_value = int($progress_value + $steps);
    print PROGRESS_BAR $progress_value;
  }

  ##############################################################
  # link
  ##############################################################
  if ($do_link == 1) {
    $_ = $source_files[0];
    s/\.[^\.]*$//i;
    my $target_name = $_;

    my $cmd = "$libtool $libtool_options $cc $cpp_options $main_file_name.o $object_files $cpplibs -o $target_name";
    print MSTREAM "gvhdl: Linking simulator '$target_name'...\n";
    print MSTREAM "gvhdl: $cmd\n";
    if (execute_cmd ($cmd, "linker: ", $MSTREAM)/256 != 0) {
      print ESTREAM "gvhdl: Linking failed!\n"; 
      die;
    }
    print MSTREAM "gvhdl: ================================\n";
    print MSTREAM "gvhdl: Simulator '$target_name' created.\n";
    print MSTREAM "gvhdl: ================================\n";

    print PROGRESS_BAR "99";
    rmdir ".libs";
  }
}


&main;