mkdeps.pl

Newlib 嵌入式 C库 标准实现代码

  or err "Can't create \"cesbi.h\" file for writing.\nSystem error message: $!.\n";

  print CESBI_H "$comment_automatic\n\n";
  print CESBI_H "#ifndef __CESBI_H__\n";
  print CESBI_H "#define __CESBI_H__\n\n";
  print CESBI_H "#include <newlib.h>\n";
  print CESBI_H "#include <_ansi.h>\n";
  print CESBI_H "#include \"../lib/encnames.h\"\n";
  print CESBI_H "#include \"../lib/ucsconv.h\"\n\n";
  print CESBI_H "/*\n";
  print CESBI_H " * Enable CES converter if correspondent encoding is requested.\n";
  print CESBI_H " * Defining ${macro_to_ucs_ces}XXX macro or ${macro_from_ucs_ces}XXX\n";
  print CESBI_H " * macro is needed to enable \"XXX encoding -> UCS\" or \"UCS -> XXX encoding\"\n";
  print CESBI_H " * part of UCS-based CES converter.\n";
  print CESBI_H " */\n";
    
  foreach my $ces (@ces)
  {
    my @encs = sort @{$cesenc{$ces}};
    foreach my $encoding (@encs)
    {
      print CESBI_H $encoding eq $encs[0] ? "#if " : " || ";
      print CESBI_H "defined ($macro_from_enc\U$encoding)";
      print CESBI_H " \\" if $encoding ne $encs[$#encs];
      print CESBI_H "\n";
    }
    print CESBI_H "#  define $macro_to_ucs_ces\U$ces\n";
    print CESBI_H "#endif\n";
    
    foreach my $encoding (@encs)
    {
      print CESBI_H $encoding eq $encs[0] ? "#if " : " || ";
      print CESBI_H "defined ($macro_to_enc\U$encoding)";
      print CESBI_H " \\" if $encoding ne $encs[$#encs];
      print CESBI_H "\n";
    }
    print CESBI_H "#  define $macro_from_ucs_ces\U$ces\n";
    print CESBI_H "#endif\n\n";
  }
  
  print CESBI_H "/*\n";
  print CESBI_H " * Some encodings require another encodings to be enabled.\n";
  print CESBI_H " * These dependencies are handled in cesdeps.h header file.\n";
  print CESBI_H " */\n";
  print CESBI_H "#include \"cesdeps.h\"\n\n";

  print CESBI_H "/*\n";
  print CESBI_H " * NLS uses iconv's capabilities and require one of encodings\n";
  print CESBI_H " * to be enabled for internal wchar_t representation.\n";
  print CESBI_H " */\n";
  print CESBI_H "#include \"../lib/iconvnls.h\"\n\n";

  print CESBI_H "/*\n";
  print CESBI_H " * Forward declarations of CES converter handlers.\n";
  print CESBI_H " * These handlers are actually defined in correspondent CES converter files.\n";
  print CESBI_H " */\n";

  foreach my $ces (@ces)
  {
    print CESBI_H "#ifdef $macro_to_ucs_ces\U$ces\n";
    print CESBI_H "extern _CONST iconv_to_ucs_ces_handlers_t\n";
    print CESBI_H "$var_to_ucs_handlers$ces;\n";
    print CESBI_H "#endif\n";

    print CESBI_H "#ifdef $macro_from_ucs_ces\U$ces\n";
    print CESBI_H "extern _CONST iconv_from_ucs_ces_handlers_t\n";
    print CESBI_H "$var_from_ucs_handlers$ces;\n";
    print CESBI_H "#endif\n\n";
  }

  print CESBI_H "#endif /* !__CESBI_H__ */\n\n";
  close CESBI_H or err "Error while closing cesbi.h file.";
}

# ==============================================================================
#
# Generate encnames.h header file.
#
# Parameters: array of supported encodings.
#
# ==============================================================================
sub generate_encnames_h(@)
{
  print "Debug: create \"../lib/encnames.h\" file.\n" if $verbose;
  open (ENCNAMES_H, '>', "../lib/encnames.h")
  or err "Can't create \"../lib/encnames.h\" file for writing.\nSystem error message: $!.\n";

  print ENCNAMES_H "$comment_automatic\n\n";
  print ENCNAMES_H "#ifndef __ENCNAMES_H__\n";
  print ENCNAMES_H "#define __ENCNAMES_H__\n\n";

  print ENCNAMES_H "/*\n";
  print ENCNAMES_H " * Encodings name macros.\n";
  print ENCNAMES_H " */\n";
  
  foreach my $enc (sort @_)
  {
    print ENCNAMES_H "#define $macro_enc_name\U$enc\E \"$enc\"\n";
  }

  print ENCNAMES_H "\n#endif /* !__ENCNAMES_H__ */\n\n";
  close ENCNAMES_H or err "Error while closing ../lib/encnames.h file.";
}

# ==============================================================================
#
# Generate aliasesbi.c C source file.
#
# Parameters: hash reference with keys = encodings and values = aliases string.
#
# ==============================================================================
sub generate_aliasesbi_c($)
{
  print "Debug: create \"../lib/aliasesbi.c\" file.\n" if $verbose;
  open (ALIASESBI_C, '>', "../lib/aliasesbi.c")
  or err "Can't create \"../lib/aliasesbi.c\" file for writing.\nSystem error message: $!.\n";

  print ALIASESBI_C "$comment_automatic\n\n";
  print ALIASESBI_C "#include <_ansi.h>\n";
  print ALIASESBI_C "#include \"encnames.h\"\n\n";
  print ALIASESBI_C "_CONST char *\n";
  print ALIASESBI_C "$var_aliases =\n";
  print ALIASESBI_C "{\n";

  foreach my $enc (sort keys %{$_[0]})
  {
    print ALIASESBI_C "#if defined ($macro_from_enc\U$enc) \\\n";
    print ALIASESBI_C " || defined ($macro_to_enc\U$enc)\n";
    print ALIASESBI_C "  $macro_enc_name\U$enc\E";
    print ALIASESBI_C " \" ${$_[0]}{$enc}\\n\"" if defined ${$_[0]}{$enc};
    print ALIASESBI_C "\n";
    print ALIASESBI_C "#endif\n";
  }
  print ALIASESBI_C "  \"\"\n";
  print ALIASESBI_C "};\n\n";
  
  close ALIASESBI_C or err "Error while closing ../lib/aliasesbi.c file.";
}

# ==============================================================================
#
# Generate encoding.aliases file.
#
# Parameter 1: hash reference with keys = encodings and values = aliases string.
#
# ==============================================================================
sub generate_encoding_aliases($)
{
  print "Debug: create \"../encoding.aliases\" file.\n" if $verbose;
  open (ALIASES, '>', "../encoding.aliases")
  or err "Can't create \"../encoding.aliases\" file for writing.\nSystem error message: $!.\n";

  print ALIASES "#\n# This file was automatically generated. Don't edit.\n#\n\n";

  foreach my $enc (sort keys %{$_[0]})
  {
    print ALIASES "$enc";
    print ALIASES " ${$_[0]}{$enc}" if defined ${$_[0]}{$enc};
    print ALIASES "\n";
  }
  
  print ALIASES "\n";
  
  close ALIASES or err "Error while closing ./encoding.aliases file.";
}

# ==============================================================================
#
# Generate cesdeps.h header file.
#
# Parameter 1: hash reference with keys = CES converters and values = references
# to arrays with list of CES converters which are needed by that CES converter
# (defined by key).
#
# ==============================================================================
sub generate_cesdeps_h($)
{
  my %cesdeps = %{$_[0]};
  
  print "Debug: create \"cesdeps.h\" file.\n" if $verbose;
  open (CESDEPS_H, '>', "cesdeps.h")
  or err "Can't create \"cesdeps.h\" file for writing.\nSystem error message: $!.\n";

  print CESDEPS_H "$comment_automatic\n\n";
  print CESDEPS_H "#ifndef __CESDEPS_H__\n";
  print CESDEPS_H "#define __CESDEPS_H__\n\n";

  print CESDEPS_H "/*\n";
  print CESDEPS_H " * Some CES converters use another CES converters and the following\n";
  print CESDEPS_H " * is such dependencies description.\n";
  print CESDEPS_H " */\n";
  
  foreach my $ces (sort keys %cesdeps)
  {
    my @deps = sort @{$cesdeps{$ces}};

    print CESDEPS_H "#ifdef $macro_to_ucs_ces\U$ces\n";
    
    foreach my $dep (@deps)
    {
      print CESDEPS_H "#  ifndef $macro_to_ucs_ces\U$dep\n";
      print CESDEPS_H "#    define $macro_to_ucs_ces\U$dep\n";
      print CESDEPS_H "#  endif\n";
    }
    print CESDEPS_H "#endif\n";
    
    print CESDEPS_H "#ifdef $macro_from_ucs_ces\U$ces\n";
    foreach my $dep (@deps)
    {
      print CESDEPS_H "#  ifndef $macro_from_ucs_ces\U$dep\n";
      print CESDEPS_H "#    define $macro_from_ucs_ces\U$dep\n";
      print CESDEPS_H "#  endif\n";
    }
    print CESDEPS_H "#endif\n";
  }

  print CESDEPS_H "\n#endif /* !__CESDEPS_H__ */\n\n";
  close CESDEPS_H or err "Error while closing cesdeps.h file.";
}

# ==============================================================================
#
# Generate ccsbi.h file.
#
# Parameter 1 (input): hash reference with keys = CCS tables names and
# values = array references with list of encodings which need this CCS table.
#
# ==============================================================================
sub generate_ccsbi_h($)
{
  my %ccsenc = %{$_[0]};
  my @ccs = sort keys %ccsenc;
  
  print "Debug: create \"../ccs/ccsbi.h\" file.\n" if $verbose;
  open (CCSBI_H, '>', "../ccs/ccsbi.h")
  or err "Can't create \"../ccs/ccsbi.h\" file for writing.\nSystem error message: $!.\n";

  print CCSBI_H "$comment_automatic\n\n";
  print CCSBI_H "#ifndef __CCSBI_H__\n";
  print CCSBI_H "#define __CCSBI_H__\n\n";
  print CCSBI_H "#include <newlib.h>\n";
  print CCSBI_H "#include <_ansi.h>\n";
  print CCSBI_H "#include \"ccs.h\"\n\n";
  print CCSBI_H "/*\n";
  print CCSBI_H " * Enable CCS tables if encoding needs them.\n";
  print CCSBI_H " * Defining ${macro_to_ucs_ccs}XXX macro or ${macro_from_ucs_ccs}XXX\n";
  print CCSBI_H " * macro is needed to enable \"XXX encoding -> UCS\" or \"UCS -> XXX encoding\"\n";
  print CCSBI_H " * part of CCS table.\n";
  print CCSBI_H " * CCS tables aren't linked if Newlib was configuted to use external CCS tables.\n";
  print CCSBI_H " */\n";
  
  print CCSBI_H "#ifndef _ICONV_ENABLE_EXTERNAL_CCS\n\n";

  foreach my $ccs (@ccs)
  {
    my @encs = sort @{$ccsenc{$ccs}};
    foreach my $encoding (@encs)
    {
      print CCSBI_H $encoding eq $encs[0] ? "#if " : " || ";
      print CCSBI_H "defined ($macro_from_enc\U$encoding)";
      print CCSBI_H " \\" if $encoding ne $encs[$#encs];
      print CCSBI_H "\n";
    }
    print CCSBI_H "#  define $macro_to_ucs_ccs\U$ccs\n";
    print CCSBI_H "#endif\n";
    
    foreach my $encoding (@encs)
    {
      print CCSBI_H $encoding eq $encs[0] ? "#if " : " || ";
      print CCSBI_H "defined ($macro_to_enc\U$encoding)";
      print CCSBI_H " \\" if $encoding ne $encs[$#encs];
      print CCSBI_H "\n";
    }
    print CCSBI_H "#  define $macro_from_ucs_ccs\U$ccs\n";
    print CCSBI_H "#endif\n\n";
  }

  print CCSBI_H "/*\n";
  print CCSBI_H " * CCS table description structures forward declarations.\n";
  print CCSBI_H " */\n";

  foreach my $ccs (@ccs)
  {
    print CCSBI_H "#if defined ($macro_to_ucs_ccs\U$ccs) \\\n";
    print CCSBI_H " || defined ($macro_from_ucs_ccs\U$ccs)\n";
    print CCSBI_H "extern _CONST iconv_ccs_t\n";
    print CCSBI_H "$var_ccs$ccs;\n";
    print CCSBI_H "#endif\n";
  }

  print CCSBI_H "\n#endif /* !_ICONV_ENABLE_EXTERNAL_CCS */\n\n";
  print CCSBI_H "\n#endif /* __CCSBI_H__ */\n\n";
  close CCSBI_H or err "Error while closing ../ccs/ccsbi.h file.";
}

# ==============================================================================
#
# Generate cesbi.c file.
#
# Parameter 1 (input): hash reference with keys = CES Converters names and
# values = array references with list of supported encodings.
#
# ==============================================================================
sub generate_cesbi_c($)
{
  my %cesenc = %{$_[0]};
  my @ces = sort keys %cesenc;

  print "Debug: create \"cesbi.c\" file.\n" if $verbose;
  open (CESBI_C, '>', "cesbi.c")
  or err "Can't create \"cesbi.c\" file for writing.\nSystem error message: $!.\n";

  print CESBI_C "$comment_automatic\n\n";
  print CESBI_C "#include <_ansi.h>\n";
  print CESBI_C "#include <newlib.h>\n";
  print CESBI_C "#include \"../lib/ucsconv.h\"\n";
  print CESBI_C "#include \"cesbi.h\"\n\n";
  print CESBI_C "/*\n";
  print CESBI_C " * Each CES converter provides the list of supported encodings.\n";
  print CESBI_C " */\n";

  foreach my $ces (@ces)
  {
    print CESBI_C "#if defined ($macro_to_ucs_ces\U$ces) \\\n";
    print CESBI_C " || defined ($macro_from_ucs_ces\U$ces)\n";
    print CESBI_C "static _CONST char *\n";
    print CESBI_C "$var_ces_names${ces}\[] =\n";
    print CESBI_C "{\n";
    my @encodings = sort @{$cesenc{$ces}};
    foreach my $encoding (@encodings)
    {
      print CESBI_C "# if defined ($macro_from_enc\U$encoding) \\\n";
      print CESBI_C "  || defined ($macro_to_enc\U$encoding)\n";
      print CESBI_C "  $macro_enc_name\U$encoding,\n";
      print CESBI_C "#endif\n";
    }
    print CESBI_C "  NULL\n";
    print CESBI_C "};\n";
    print CESBI_C "#endif\n\n";
  }

  print CESBI_C "/*\n";
  print CESBI_C " * The following structure contains the list of \"to UCS\" linked-in CES converters.\n";
  print CESBI_C " */\n";
  print CESBI_C "_CONST iconv_to_ucs_ces_t\n";
  print CESBI_C "_iconv_to_ucs_ces[] =\n";
  print CESBI_C "{\n";
  
  foreach my $ces (@ces)
  {
    print CESBI_C "#ifdef $macro_to_ucs_ces\U$ces\n";
    print CESBI_C "  {(_CONST char **)$var_ces_names$ces,\n";
    print CESBI_C "   &$var_to_ucs_handlers$ces},\n";
    print CESBI_C "#endif\n";
  }
  print CESBI_C "  {(_CONST char **)NULL,\n";
  print CESBI_C "  (iconv_to_ucs_ces_handlers_t *)NULL}\n";
  print CESBI_C "};\n\n";

  print CESBI_C "/*\n";
  print CESBI_C " * The following structure contains the list of \"from UCS\" linked-in CES converters.\n";
  print CESBI_C " */\n";
  print CESBI_C "_CONST iconv_from_ucs_ces_t\n";
  print CESBI_C "_iconv_from_ucs_ces[] =\n";
  print CESBI_C "{\n";
  
  foreach my $ces (@ces)
  {
    print CESBI_C "#ifdef $macro_from_ucs_ces\U$ces\n";
    print CESBI_C "  {(_CONST char **)$var_ces_names$ces,\n";
    print CESBI_C "   &$var_from_ucs_handlers$ces},\n";
    print CESBI_C "#endif\n";
  }
  print CESBI_C "  {(_CONST char **)NULL,\n";
  print CESBI_C "  (iconv_from_ucs_ces_handlers_t *)NULL}\n";
  print CESBI_C "};\n";

  close CESBI_C or err "Error while closing cesbi.c file.";
}

# ==============================================================================
#
# Generate ccsbi.c file.
#
# Parameter 1 (input): array reference with CCS tables names
#
# ==============================================================================
sub generate_ccsbi_c($)
{
  my @ccs = @{$_[0]};
  
  print "Debug: create \"../ccs/ccsbi.c\" file.\n" if $verbose;
  open (CESBI_C, '>', "../ccs/ccsbi.c")
  or err "Can't create \"../ccs/ccsbi.c\" file for writing.\nSystem error message: $!.\n";

  print CESBI_C "$comment_automatic\n\n";
  print CESBI_C "#include <_ansi.h>\n";
  print CESBI_C "#include \"ccsbi.h\"\n\n";
  print CESBI_C "/*\n";
  print CESBI_C " * The following array contains the list of built-in CCS tables.\n";
  print CESBI_C " */\n";

  print CESBI_C "_CONST iconv_ccs_t *\n";
  print CESBI_C "_iconv_ccs[] =\n";
  print CESBI_C "{\n";

  foreach my $ccs (@ccs)
  {
    print CESBI_C "#if defined ($macro_to_ucs_ccs\U$ccs) \\\n";
    print CESBI_C " || defined ($macro_from_ucs_ccs\U$ccs)\n";
    print CESBI_C "  &$var_ccs$ccs,\n";
    print CESBI_C "#endif\n";
  }
  print CESBI_C "  NULL\n";
  print CESBI_C "};\n";

  close CESBI_C or err "Error while closing ../ccs/ccsbi.c file.";
}

# ==============================================================================
#
# Generate ccsnames.h file.
#
# Parameter 1 (input): hash reference with keys = CCS tables names and
# values = array references with list of encodings which need this CCS table.
#
# ==============================================================================
sub generate_ccsnames_h($)
{
  my %ccsenc = %{$_[0]};
  my @ccs = sort keys %ccsenc;
  
  print "Debug: create \"../ccs/ccsnames.h\" file.\n" if $verbose;
  open (CCSNAMES_H, '>', "../ccs/ccsnames.h")
  or err "Can't create \"../ccs/ccsnames.h\" file for writing.\nSystem error message: $!.\n";

  print CCSNAMES_H "$comment_automatic\n\n";
  print CCSNAMES_H "#ifndef __CCSNAMES_H__\n";
  print CCSNAMES_H "#define __CCSNAMES_H__\n\n";
  print CCSNAMES_H "#include \"../lib/encnames.h\"\n\n";
  print CCSNAMES_H "/*\n";
  print CCSNAMES_H " * CCS tables names macros.\n";
  print CCSNAMES_H " */\n";

  foreach my $ccs (@ccs)
  {
    my @encs = @{$ccsenc{$ccs}};
    my $flag;
    foreach my $encoding (@encs)
    {
      print CCSNAMES_H "#define $macro_ccs_name\U$ccs ";
      if ($encoding eq $ccs)
      {
        $flag = 1;
        print CCSNAMES_H "$macro_enc_name\U$encoding\n";
        last;
      }
    }
    print CCSNAMES_H "\"$ccs\"\n" if !$flag;
  }

  print CCSNAMES_H "\n#endif /* !__CCSNAMES_H__ */\n\n";
  close CCSNAMES_H or err "Error while closing ../ccs/ccsnames.h file.";
}