source: mypx/utils/genrename

#! /usr/bin/perl
#
#  TOPPERS Software
#      Toyohashi Open Platform for Embedded Real-Time Systems
# 
#  Copyright (C) 2003 by Embedded and Real-Time Systems Laboratory
#                              Toyohashi Univ. of Technology, JAPAN
#  Copyright (C) 2005-2011 by Embedded and Real-Time Systems Laboratory
#              Graduate School of Information Science, Nagoya Univ., JAPAN
# 
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# 
#  @(#) $Id$
# 

#
#  ÀèƬ€Ë€Ä€±€ëÊž»úÎó
#
sub prefix_string {
        local($sym) = @_;

        if ($sym =~ /[a-z]/) {
                return("_kernel_");
        }
        else {
                return("_KERNEL_");
        }
}

#
#  ¥ê¥Í¡Œ¥àÄêµÁ€òÀžÀ®€¹€ë
#
sub generate_define
{
        local($sym, $prefix) = @_;

        print FILE "#define ",$prefix,$sym;
        print FILE "\t" if (length($prefix.$sym) < 4);
        print FILE "\t" if (length($prefix.$sym) < 8);
        print FILE "\t" if (length($prefix.$sym) < 12);
        print FILE "\t" if (length($prefix.$sym) < 16);
        print FILE "\t" if (length($prefix.$sym) < 20);
        print FILE "\t" if (length($prefix.$sym) < 24);
        print FILE "\t",$prefix,prefix_string($sym),$sym,"\n";
}

#
#  ¥ê¥Í¡Œ¥à²òœü€òÀžÀ®€¹€ë
#
sub generate_undef
{
        local($sym, $prefix) = @_;

        print FILE "#undef ",$prefix,$sym,"\n";
}

#
#  ¥€¥ó¥¯¥ë¡Œ¥É¥Ç¥£¥ì¥¯¥Æ¥£¥Ö€òÀžÀ®€¹€ë
#
sub generate_include
{
        local($file, $prefix) = @_;

        $file =~ s/([>"])$/_$prefix.h$1/;
        $includes .= "#include ".$file."\n";
}

#
#  ¥š¥é¡Œ¥Á¥§¥Ã¥¯
#
if ($#ARGV != 0) {
        die "Usage: genrename <prefix>\n";
}

#
#  œéŽü²œ
#
@syms = ();
$name = $ARGV[0];
$NAME = $name; $NAME =~ y/a-z/A-Z/;

$infile = $name."_rename.def";
$header_defsym = "TOPPERS_".$NAME."_RENAME_H";

#
#  ¥·¥ó¥Ü¥ë¥ê¥¹¥È€òÆɀ߹þ€à
#
open(INFILE, $infile) || die "Cannot open $infile";
while ($line = <INFILE>) {
        chomp $line;
        @syms = (@syms, $line);
}
close(INFILE);

#
#  ???_rename.h €òÀžÀ®€¹€ë
#
$includes = "";
$file = $name."_rename.h";
open(FILE, "> ".$file);

print FILE <<END;
/* This file is generated from $infile by genrename. */

#ifndef $header_defsym
#define $header_defsym

END

foreach $sym (@syms) {
        if ($sym =~ /^#(.*)$/) {
                print FILE "/*\n";
                print FILE " * ",$1,"\n";
                print FILE " */\n";
        }
        elsif ($sym =~ /^INCLUDE[ \t]+(.*)$/) {
                generate_include($1, "rename");
        }
        elsif ($sym ne "") {
                generate_define($sym, "");
        }
        else {
                print FILE "\n";
        }
}

print FILE <<END;

#ifdef TOPPERS_LABEL_ASM

END

foreach $sym (@syms) {
        if ($sym =~ /^#(.*)$/) {
                print FILE "/*\n";
                print FILE " * ",$1,"\n";
                print FILE " */\n";
        }
        elsif ($sym =~ /^INCLUDE[ \t]+(.*)$/) {
                # do nothing
        }
        elsif ($sym ne "") {
                generate_define($sym, "_");
        }
        else {
                print FILE "\n";
        }
}

print FILE <<END;

#endif /* TOPPERS_LABEL_ASM */

$includes
#endif /* $header_defsym */
END

#
#  ???_unrename.h €òÀžÀ®€¹€ë
#
$includes = "";
$file = $name."_unrename.h";
open(FILE, "> ".$file);

print FILE <<END;
/* This file is generated from $infile by genrename. */

/* This file is included only when $name\_rename.h has been included. */
#ifdef $header_defsym
#undef $header_defsym

END

foreach $sym (@syms) {
        if ($sym =~ /^#(.*)$/) {
                print FILE "/*\n";
                print FILE " * ",$1,"\n";
                print FILE " */\n";
        }
        elsif ($sym =~ /^INCLUDE[ \t]+(.*)$/) {
                generate_include($1, "unrename");
        }
        elsif ($sym ne "") {
                generate_undef($sym, "");
        }
        else {
                print FILE "\n";
        }
}

print FILE <<END;

#ifdef TOPPERS_LABEL_ASM

END

foreach $sym (@syms) {
        if ($sym =~ /^#(.*)$/) {
                print FILE "/*\n";
                print FILE " * ",$1,"\n";
                print FILE " */\n";
        }
        elsif ($sym =~ /^INCLUDE[ \t]+(.*)$/) {
                # do nothing
        }
        elsif ($sym ne "") {
                generate_undef($sym, "_");
        }
        else {
                print FILE "\n";
        }
}

print FILE <<END;

#endif /* TOPPERS_LABEL_ASM */

$includes
#endif /* $header_defsym */
END

close(FILE);