path: root/embed.pl

#!/usr/bin/perl -w

require 5.003;	# keep this compatible, an old perl is all we may have before
                # we build the new one

#
# See database of global and static function prototypes at the __END__.
# This is used to generate prototype headers under various configurations,
# export symbols lists for different platforms, and macros to provide an
# implicit interpreter context argument.
#

open IN, "embed.fnc" or die $!;

# walk table providing an array of components in each line to
# subroutine, printing the result
sub walk_table (&@) {
    my $function = shift;
    my $filename = shift || '-';
    my $leader = shift;
    my $trailer = shift;
    my $F;
    local *F;
    if (ref $filename) {	# filehandle
	$F = $filename;
    }
    else {
	unlink $filename;
	open F, ">$filename" or die "Can't open $filename: $!";
	$F = \*F;
    }
    print $F $leader if $leader;
    seek IN, 0, 0;		# so we may restart
    while (<IN>) {
	chomp;
	next if /^:/;
	while (s|\\$||) {
	    $_ .= <IN>;
	    chomp;
	}
	my @args;
	if (/^\s*(#|$)/) {
	    @args = $_;
	}
	else {
	    @args = split /\s*\|\s*/, $_;
	}
        my @outs = &{$function}(@args);
        print $F @outs; # $function->(@args) is not 5.003
    }
    print $F $trailer if $trailer;
    close $F unless ref $filename;
}

sub munge_c_files () {
    my $functions = {};
    unless (@ARGV) {
        warn "\@ARGV empty, nothing to do\n";
	return;
    }
    walk_table {
	if (@_ > 1) {
	    $functions->{$_[2]} = \@_ if $_[@_-1] =~ /\.\.\./;
	}
    } '/dev/null';
    local $^I = '.bak';
    while (<>) {
#	if (/^#\s*include\s+"perl.h"/) {
#	    my $file = uc $ARGV;
#	    $file =~ s/\./_/g;
#	    print "#define PERL_IN_$file\n";
#	}
#	s{^(\w+)\s*\(}
#	 {
#	    my $f = $1;
#	    my $repl = "$f(";
#	    if (exists $functions->{$f}) {
#		my $flags = $functions->{$f}[0];
#		$repl = "Perl_$repl" if $flags =~ /p/;
#		unless ($flags =~ /n/) {
#		    $repl .= "pTHX";
#		    $repl .= "_ " if @{$functions->{$f}} > 3;
#		}
#		warn("$ARGV:$.:$repl\n");
#	    }
#	    $repl;
#	 }e;
	s{(\b(\w+)[ \t]*\([ \t]*(?!aTHX))}
	 {
	    my $repl = $1;
	    my $f = $2;
	    if (exists $functions->{$f}) {
		$repl .= "aTHX_ ";
		warn("$ARGV:$.:$`#$repl#$'");
	    }
	    $repl;
	 }eg;
	print;
	close ARGV if eof;	# restart $.
    }
    exit;
}

#munge_c_files();

# generate proto.h
my $wrote_protected = 0;

sub write_protos {
    my $ret = "";
    if (@_ == 1) {
	my $arg = shift;
	$ret .= "$arg\n";
    }
    else {
	my ($flags,$retval,$func,@args) = @_;
	$ret .= '/* ' if $flags =~ /m/;
	if ($flags =~ /s/) {
	    $retval = "STATIC $retval";
	    $func = "S_$func";
	}
	else {
	    $retval = "PERL_CALLCONV $retval";
	    if ($flags =~ /p/) {
		$func = "Perl_$func";
	    }
	}
	$ret .= "$retval\t$func(";
	unless ($flags =~ /n/) {
	    $ret .= "pTHX";
	    $ret .= "_ " if @args;
	}
	if (@args) {
	    $ret .= join ", ", @args;
	}
	else {
	    $ret .= "void" if $flags =~ /n/;
	}
	$ret .= ")";
	$ret .= " __attribute__((noreturn))" if $flags =~ /r/;
	if( $flags =~ /f/ ) {
	    my $prefix = $flags =~ /n/ ? '' : 'pTHX_';
	    my $args = scalar @args;
	    $ret .= "\n#ifdef CHECK_FORMAT\n";
	    $ret .= sprintf " __attribute__((format(printf,%s%d,%s%d)))",
				    $prefix, $args - 1, $prefix, $args;
	    $ret .= "\n#endif\n";
	}
	$ret .= ";";
	$ret .= ' */' if $flags =~ /m/;
	$ret .= "\n";
    }
    $ret;
}

# generates global.sym (API export list), and populates %global with global symbols
sub write_global_sym {
    my $ret = "";
    if (@_ > 1) {
	my ($flags,$retval,$func,@args) = @_;
	if ($flags =~ /A/ && $flags !~ /[xm]/) { # public API, so export
	    $func = "Perl_$func" if $flags =~ /p/;
	    $ret = "$func\n";
	}
    }
    $ret;
}


walk_table(\&write_protos, 'proto.h', <<'EOT');
/*
 *    proto.h
 *
 *    Copyright (c) 1997-2002, Larry Wall
 *
 *    You may distribute under the terms of either the GNU General Public
 *    License or the Artistic License, as specified in the README file.
 *
 * !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
 * This file is autogenerated from data in embed.pl.  Edit that file
 * and run 'make regen_headers' to effect changes.
 */

EOT

walk_table(\&write_global_sym, 'global.sym', <<'EOT');
#
#    global.sym
#
#    Copyright (c) 1997-2002, Larry Wall
#
#    You may distribute under the terms of either the GNU General Public
#    License or the Artistic License, as specified in the README file.
#
# !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
# This file is autogenerated from data in embed.pl.  Edit that file
# and run 'make regen_headers' to effect changes.
#

EOT

# XXX others that may need adding
#       warnhook
#       hints
#       copline
my @extvars = qw(sv_undef sv_yes sv_no na dowarn
                 curcop compiling
                 tainting tainted stack_base stack_sp sv_arenaroot
		 no_modify
                 curstash DBsub DBsingle debstash
                 rsfp
                 stdingv
		 defgv
		 errgv
		 rsfp_filters
		 perldb
		 diehook
		 dirty
		 perl_destruct_level
		 ppaddr
                );

sub readsyms (\%$) {
    my ($syms, $file) = @_;
    local (*FILE, $_);
    open(FILE, "< $file")
	or die "embed.pl: Can't open $file: $!\n";
    while (<FILE>) {
	s/[ \t]*#.*//;		# Delete comments.
	if (/^\s*(\S+)\s*$/) {
	    my $sym = $1;
	    warn "duplicate symbol $sym while processing $file\n"
		if exists $$syms{$sym};
	    $$syms{$sym} = 1;
	}
    }
    close(FILE);
}

# Perl_pp_* and Perl_ck_* are in pp.sym
readsyms my %ppsym, 'pp.sym';

sub readvars(\%$$@) {
    my ($syms, $file,$pre,$keep_pre) = @_;
    local (*FILE, $_);
    open(FILE, "< $file")
	or die "embed.pl: Can't open $file: $!\n";
    while (<FILE>) {
	s/[ \t]*#.*//;		# Delete comments.
	if (/PERLVARA?I?C?\($pre(\w+)/) {
	    my $sym = $1;
	    $sym = $pre . $sym if $keep_pre;
	    warn "duplicate symbol $sym while processing $file\n"
		if exists $$syms{$sym};
	    $$syms{$sym} = $pre || 1;
	}
    }
    close(FILE);
}

my %intrp;
my %thread;

readvars %intrp,  'intrpvar.h','I';
readvars %thread, 'thrdvar.h','T';
readvars %globvar, 'perlvars.h','G';

my $sym;
foreach $sym (sort keys %thread) {
  warn "$sym in intrpvar.h as well as thrdvar.h\n" if exists $intrp{$sym};
}

sub undefine ($) {
    my ($sym) = @_;
    "#undef  $sym\n";
}

sub hide ($$) {
    my ($from, $to) = @_;
    my $t = int(length($from) / 8);
    "#define $from" . "\t" x ($t < 3 ? 3 - $t : 1) . "$to\n";
}

sub bincompat_var ($$) {
    my ($pfx, $sym) = @_;
    my $arg = ($pfx eq 'G' ? 'NULL' : 'aTHX');
    undefine("PL_$sym") . hide("PL_$sym", "(*Perl_${pfx}${sym}_ptr($arg))");
}

sub multon ($$$) {
    my ($sym,$pre,$ptr) = @_;
    hide("PL_$sym", "($ptr$pre$sym)");
}

sub multoff ($$) {
    my ($sym,$pre) = @_;
    return hide("PL_$pre$sym", "PL_$sym");
}

unlink 'embed.h';
open(EM, '> embed.h') or die "Can't create embed.h: $!\n";

print EM <<'END';
/*
 *    embed.h
 *
 *    Copyright (c) 1997-2002, Larry Wall
 *
 *    You may distribute under the terms of either the GNU General Public
 *    License or the Artistic License, as specified in the README file.
 *
 *  !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
 *  This file is built by embed.pl from data in embed.pl, pp.sym, intrpvar.h,
 *  perlvars.h and thrdvar.h.  Any changes made here will be lost!
 */

/* (Doing namespace management portably in C is really gross.) */

/* NO_EMBED is no longer supported. i.e. EMBED is always active. */

/* provide binary compatible (but inconsistent) names */
#if defined(PERL_BINCOMPAT_5005)
#  define  Perl_call_atexit		perl_atexit
#  define  Perl_eval_sv			perl_eval_sv
#  define  Perl_eval_pv			perl_eval_pv
#  define  Perl_call_argv		perl_call_argv
#  define  Perl_call_method		perl_call_method
#  define  Perl_call_pv			perl_call_pv
#  define  Perl_call_sv			perl_call_sv
#  define  Perl_get_av			perl_get_av
#  define  Perl_get_cv			perl_get_cv
#  define  Perl_get_hv			perl_get_hv
#  define  Perl_get_sv			perl_get_sv
#  define  Perl_init_i18nl10n		perl_init_i18nl10n
#  define  Perl_init_i18nl14n		perl_init_i18nl14n
#  define  Perl_new_collate		perl_new_collate
#  define  Perl_new_ctype		perl_new_ctype
#  define  Perl_new_numeric		perl_new_numeric
#  define  Perl_require_pv		perl_require_pv
#  define  Perl_safesyscalloc		Perl_safecalloc
#  define  Perl_safesysfree		Perl_safefree
#  define  Perl_safesysmalloc		Perl_safemalloc
#  define  Perl_safesysrealloc		Perl_saferealloc
#  define  Perl_set_numeric_local	perl_set_numeric_local
#  define  Perl_set_numeric_standard	perl_set_numeric_standard
/* malloc() pollution was the default in earlier versions, so enable
 * it for bincompat; but not for systems that used to do prevent that,
 * or when they ask for {HIDE,EMBED}MYMALLOC */
#  if !defined(EMBEDMYMALLOC) && !defined(HIDEMYMALLOC)
#    if !defined(NeXT) && !defined(__NeXT) && !defined(__MACHTEN__) && \
        !defined(__QNX__)
#      define  PERL_POLLUTE_MALLOC
#    endif
#  endif
#endif

/* Hide global symbols */

#if !defined(PERL_IMPLICIT_CONTEXT)

END

walk_table {
    my $ret = "";
    if (@_ == 1) {
	my $arg = shift;
	$ret .= "$arg\n" if $arg =~ /^#\s*(if|ifn?def|else|endif)\b/;
    }
    else {
	my ($flags,$retval,$func,@args) = @_;
	unless ($flags =~ /[om]/) {
	    if ($flags =~ /s/) {
		$ret .= hide($func,"S_$func");
	    }
	    elsif ($flags =~ /p/) {
		$ret .= hide($func,"Perl_$func");
	    }
	}
    }
    $ret;
} \*EM;

for $sym (sort keys %ppsym) {
    $sym =~ s/^Perl_//;
    print EM hide($sym, "Perl_$sym");
}

print EM <<'END';

#else	/* PERL_IMPLICIT_CONTEXT */

END

my @az = ('a'..'z');

walk_table {
    my $ret = "";
    if (@_ == 1) {
	my $arg = shift;
	$ret .= "$arg\n" if $arg =~ /^#\s*(if|ifn?def|else|endif)\b/;
    }
    else {
	my ($flags,$retval,$func,@args) = @_;
	unless ($flags =~ /[om]/) {
	    my $args = scalar @args;
	    if ($args and $args[$args-1] =~ /\.\.\./) {
	        # we're out of luck for varargs functions under CPP
	    }
	    elsif ($flags =~ /n/) {
		if ($flags =~ /s/) {
		    $ret .= hide($func,"S_$func");
		}
		elsif ($flags =~ /p/) {
		    $ret .= hide($func,"Perl_$func");
		}
	    }
	    else {
		my $alist = join(",", @az[0..$args-1]);
		$ret = "#define $func($alist)";
		my $t = int(length($ret) / 8);
		$ret .=  "\t" x ($t < 4 ? 4 - $t : 1);
		if ($flags =~ /s/) {
		    $ret .= "S_$func(aTHX";
		}
		elsif ($flags =~ /p/) {
		    $ret .= "Perl_$func(aTHX";
		}
		$ret .= "_ " if $alist;
		$ret .= $alist . ")\n";
	    }
	}
    }
    $ret;
} \*EM;

for $sym (sort keys %ppsym) {
    $sym =~ s/^Perl_//;
    if ($sym =~ /^ck_/) {
	print EM hide("$sym(a)", "Perl_$sym(aTHX_ a)");
    }
    elsif ($sym =~ /^pp_/) {
	print EM hide("$sym()", "Perl_$sym(aTHX)");
    }
    else {
	warn "Illegal symbol '$sym' in pp.sym";
    }
}

print EM <<'END';

#endif	/* PERL_IMPLICIT_CONTEXT */

END

print EM <<'END';

/* Compatibility stubs.  Compile extensions with -DPERL_NOCOMPAT to
   disable them.
 */

#if !defined(PERL_CORE)
#  define sv_setptrobj(rv,ptr,name)	sv_setref_iv(rv,name,PTR2IV(ptr))
#  define sv_setptrref(rv,ptr)		sv_setref_iv(rv,Nullch,PTR2IV(ptr))
#endif

#if !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) && !defined(PERL_BINCOMPAT_5005)

/* Compatibility for various misnamed functions.  All functions
   in the API that begin with "perl_" (not "Perl_") take an explicit
   interpreter context pointer.
   The following are not like that, but since they had a "perl_"
   prefix in previous versions, we provide compatibility macros.
 */
#  define perl_atexit(a,b)		call_atexit(a,b)
#  define perl_call_argv(a,b,c)		call_argv(a,b,c)
#  define perl_call_pv(a,b)		call_pv(a,b)
#  define perl_call_method(a,b)		call_method(a,b)
#  define perl_call_sv(a,b)		call_sv(a,b)
#  define perl_eval_sv(a,b)		eval_sv(a,b)
#  define perl_eval_pv(a,b)		eval_pv(a,b)
#  define perl_require_pv(a)		require_pv(a)
#  define perl_get_sv(a,b)		get_sv(a,b)
#  define perl_get_av(a,b)		get_av(a,b)
#  define perl_get_hv(a,b)		get_hv(a,b)
#  define perl_get_cv(a,b)		get_cv(a,b)
#  define perl_init_i18nl10n(a)		init_i18nl10n(a)
#  define perl_init_i18nl14n(a)		init_i18nl14n(a)
#  define perl_new_ctype(a)		new_ctype(a)
#  define perl_new_collate(a)		new_collate(a)
#  define perl_new_numeric(a)		new_numeric(a)

/* varargs functions can't be handled with CPP macros. :-(
   This provides a set of compatibility functions that don't take
   an extra argument but grab the context pointer using the macro
   dTHX.
 */
#if defined(PERL_IMPLICIT_CONTEXT)
#  define croak				Perl_croak_nocontext
#  define deb				Perl_deb_nocontext
#  define die				Perl_die_nocontext
#  define form				Perl_form_nocontext
#  define load_module			Perl_load_module_nocontext
#  define mess				Perl_mess_nocontext
#  define newSVpvf			Perl_newSVpvf_nocontext
#  define sv_catpvf			Perl_sv_catpvf_nocontext
#  define sv_setpvf			Perl_sv_setpvf_nocontext
#  define warn				Perl_warn_nocontext
#  define warner			Perl_warner_nocontext
#  define sv_catpvf_mg			Perl_sv_catpvf_mg_nocontext
#  define sv_setpvf_mg			Perl_sv_setpvf_mg_nocontext
#endif

#endif /* !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) */

#if !defined(PERL_IMPLICIT_CONTEXT)
/* undefined symbols, point them back at the usual ones */
#  define Perl_croak_nocontext		Perl_croak
#  define Perl_die_nocontext		Perl_die
#  define Perl_deb_nocontext		Perl_deb
#  define Perl_form_nocontext		Perl_form
#  define Perl_load_module_nocontext	Perl_load_module
#  define Perl_mess_nocontext		Perl_mess
#  define Perl_newSVpvf_nocontext	Perl_newSVpvf
#  define Perl_sv_catpvf_nocontext	Perl_sv_catpvf
#  define Perl_sv_setpvf_nocontext	Perl_sv_setpvf
#  define Perl_warn_nocontext		Perl_warn
#  define Perl_warner_nocontext		Perl_warner
#  define Perl_sv_catpvf_mg_nocontext	Perl_sv_catpvf_mg
#  define Perl_sv_setpvf_mg_nocontext	Perl_sv_setpvf_mg
#endif

END

close(EM);

unlink 'embedvar.h';
open(EM, '> embedvar.h')
    or die "Can't create embedvar.h: $!\n";

print EM <<'END';
/*
 *    embedvar.h
 *
 *    Copyright (c) 1997-2002, Larry Wall
 *
 *    You may distribute under the terms of either the GNU General Public
 *    License or the Artistic License, as specified in the README file.
 *
 *
 * !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
 *  This file is built by embed.pl from data in embed.pl, pp.sym, intrpvar.h,
 *  perlvars.h and thrdvar.h.  Any changes made here will be lost!
 */

/* (Doing namespace management portably in C is really gross.) */

/*
   The following combinations of MULTIPLICITY, USE_5005THREADS
   and PERL_IMPLICIT_CONTEXT are supported:
     1) none
     2) MULTIPLICITY	# supported for compatibility
     3) MULTIPLICITY && PERL_IMPLICIT_CONTEXT
     4) USE_5005THREADS && PERL_IMPLICIT_CONTEXT
     5) MULTIPLICITY && USE_5005THREADS && PERL_IMPLICIT_CONTEXT

   All other combinations of these flags are errors.

   #3, #4, #5, and #6 are supported directly, while #2 is a special
   case of #3 (supported by redefining vTHX appropriately).
*/

#if defined(MULTIPLICITY)
/* cases 2, 3 and 5 above */

#  if defined(PERL_IMPLICIT_CONTEXT)
#    define vTHX	aTHX
#  else
#    define vTHX	PERL_GET_INTERP
#  endif

END

for $sym (sort keys %thread) {
    print EM multon($sym,'T','vTHX->');
}

print EM <<'END';

#  if defined(USE_5005THREADS)
/* case 5 above */

END

for $sym (sort keys %intrp) {
    print EM multon($sym,'I','PERL_GET_INTERP->');
}

print EM <<'END';

#  else		/* !USE_5005THREADS */
/* cases 2 and 3 above */

END

for $sym (sort keys %intrp) {
    print EM multon($sym,'I','vTHX->');
}

print EM <<'END';

#  endif	/* USE_5005THREADS */

#else	/* !MULTIPLICITY */

/* cases 1 and 4 above */

END

for $sym (sort keys %intrp) {
    print EM multoff($sym,'I');
}

print EM <<'END';

#  if defined(USE_5005THREADS)
/* case 4 above */

END

for $sym (sort keys %thread) {
    print EM multon($sym,'T','aTHX->');
}

print EM <<'END';

#  else	/* !USE_5005THREADS */
/* case 1 above */

END

for $sym (sort keys %thread) {
    print EM multoff($sym,'T');
}

print EM <<'END';

#  endif	/* USE_5005THREADS */
#endif	/* MULTIPLICITY */

#if defined(PERL_GLOBAL_STRUCT)

END

for $sym (sort keys %globvar) {
    print EM multon($sym,'G','PL_Vars.');
}

print EM <<'END';

#else /* !PERL_GLOBAL_STRUCT */

END

for $sym (sort keys %globvar) {
    print EM multoff($sym,'G');
}

print EM <<'END';

#endif /* PERL_GLOBAL_STRUCT */

#ifdef PERL_POLLUTE		/* disabled by default in 5.6.0 */

END

for $sym (sort @extvars) {
    print EM hide($sym,"PL_$sym");
}

print EM <<'END';

#endif /* PERL_POLLUTE */
END

close(EM);

unlink 'perlapi.h';
unlink 'perlapi.c';
open(CAPI, '> perlapi.c') or die "Can't create perlapi.c: $!\n";
open(CAPIH, '> perlapi.h') or die "Can't create perlapi.h: $!\n";

print CAPIH <<'EOT';
/*
 *    perlapi.h
 *
 *    Copyright (c) 1997-2002, Larry Wall
 *
 *    You may distribute under the terms of either the GNU General Public
 *    License or the Artistic License, as specified in the README file.
 *
 *
 * !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
 *  This file is built by embed.pl from data in embed.pl, pp.sym, intrpvar.h,
 *  perlvars.h and thrdvar.h.  Any changes made here will be lost!
 */

/* declare accessor functions for Perl variables */
#ifndef __perlapi_h__
#define __perlapi_h__

#if defined (MULTIPLICITY)

START_EXTERN_C

#undef PERLVAR
#undef PERLVARA
#undef PERLVARI
#undef PERLVARIC
#define PERLVAR(v,t)	EXTERN_C t* Perl_##v##_ptr(pTHX);
#define PERLVARA(v,n,t)	typedef t PL_##v##_t[n];			\
			EXTERN_C PL_##v##_t* Perl_##v##_ptr(pTHX);
#define PERLVARI(v,t,i)	PERLVAR(v,t)
#define PERLVARIC(v,t,i) PERLVAR(v, const t)

#include "thrdvar.h"
#include "intrpvar.h"
#include "perlvars.h"

#undef PERLVAR
#undef PERLVARA
#undef PERLVARI
#undef PERLVARIC

END_EXTERN_C

#if defined(PERL_CORE)

/* accessor functions for Perl variables (provide binary compatibility) */

/* these need to be mentioned here, or most linkers won't put them in
   the perl executable */

#ifndef PERL_NO_FORCE_LINK

START_EXTERN_C

#ifndef DOINIT
EXT void *PL_force_link_funcs[];
#else
EXT void *PL_force_link_funcs[] = {
#undef PERLVAR
#undef PERLVARA
#undef PERLVARI
#undef PERLVARIC
#define PERLVAR(v,t)	(void*)Perl_##v##_ptr,
#define PERLVARA(v,n,t)	PERLVAR(v,t)
#define PERLVARI(v,t,i)	PERLVAR(v,t)
#define PERLVARIC(v,t,i) PERLVAR(v,t)

#include "thrdvar.h"
#include "intrpvar.h"
#include "perlvars.h"

#undef PERLVAR
#undef PERLVARA
#undef PERLVARI
#undef PERLVARIC
};
#endif	/* DOINIT */

END_EXTERN_C

#endif	/* PERL_NO_FORCE_LINK */

#else	/* !PERL_CORE */

EOT

foreach $sym (sort keys %intrp) {
    print CAPIH bincompat_var('I',$sym);
}

foreach $sym (sort keys %thread) {
    print CAPIH bincompat_var('T',$sym);
}

foreach $sym (sort keys %globvar) {
    print CAPIH bincompat_var('G',$sym);
}

print CAPIH <<'EOT';

#endif /* !PERL_CORE */
#endif /* MULTIPLICITY */

#endif /* __perlapi_h__ */

EOT
close CAPIH;

print CAPI <<'EOT';
/*
 *    perlapi.c
 *
 *    Copyright (c) 1997-2002, Larry Wall
 *
 *    You may distribute under the terms of either the GNU General Public
 *    License or the Artistic License, as specified in the README file.
 *
 *
 * !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
 *  This file is built by embed.pl from data in embed.pl, pp.sym, intrpvar.h,
 *  perlvars.h and thrdvar.h.  Any changes made here will be lost!
 */

#include "EXTERN.h"
#include "perl.h"
#include "perlapi.h"

#if defined (MULTIPLICITY)

/* accessor functions for Perl variables (provides binary compatibility) */
START_EXTERN_C

#undef PERLVAR
#undef PERLVARA
#undef PERLVARI
#undef PERLVARIC

#define PERLVAR(v,t)	t* Perl_##v##_ptr(pTHX)				\
			{ return &(aTHX->v); }
#define PERLVARA(v,n,t)	PL_##v##_t* Perl_##v##_ptr(pTHX)		\
			{ return &(aTHX->v); }

#define PERLVARI(v,t,i)	PERLVAR(v,t)
#define PERLVARIC(v,t,i) PERLVAR(v, const t)

#include "thrdvar.h"
#include "intrpvar.h"

#undef PERLVAR
#undef PERLVARA
#define PERLVAR(v,t)	t* Perl_##v##_ptr(pTHX)				\
			{ return &(PL_##v); }
#define PERLVARA(v,n,t)	PL_##v##_t* Perl_##v##_ptr(pTHX)		\
			{ return &(PL_##v); }
#undef PERLVARIC
#define PERLVARIC(v,t,i)	const t* Perl_##v##_ptr(pTHX)		\
			{ return (const t *)&(PL_##v); }
#include "perlvars.h"

#undef PERLVAR
#undef PERLVARA
#undef PERLVARI
#undef PERLVARIC

END_EXTERN_C

#endif /* MULTIPLICITY */
EOT

close(CAPI);

# functions that take va_list* for implementing vararg functions
# NOTE: makedef.pl must be updated if you add symbols to %vfuncs
# XXX %vfuncs currently unused
my %vfuncs = qw(
    Perl_croak			Perl_vcroak
    Perl_warn			Perl_vwarn
    Perl_warner			Perl_vwarner
    Perl_die			Perl_vdie
    Perl_form			Perl_vform
    Perl_load_module		Perl_vload_module
    Perl_mess			Perl_vmess
    Perl_deb			Perl_vdeb
    Perl_newSVpvf		Perl_vnewSVpvf
    Perl_sv_setpvf		Perl_sv_vsetpvf
    Perl_sv_setpvf_mg		Perl_sv_vsetpvf_mg
    Perl_sv_catpvf		Perl_sv_vcatpvf
    Perl_sv_catpvf_mg		Perl_sv_vcatpvf_mg
    Perl_dump_indent		Perl_dump_vindent
    Perl_default_protect	Perl_vdefault_protect
);