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#!/usr/bin/perl
open(EM, ">embed.h") || die "Can't create embed.h: $!\n";
print EM <<'END';
/* !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
This file is built by embed.pl from global.sym and interp.sym.
Any changes made here will be lost
*/
/* (Doing namespace management portably in C is really gross.) */
/* EMBED has no run-time penalty, but helps keep the Perl namespace
from colliding with that used by other libraries pulled in
by extensions or by embedding perl. Allow a cc -DNO_EMBED
override, however, to keep binary compatability with previous
versions of perl.
*/
#ifndef NO_EMBED
# define EMBED 1
#endif
#ifdef EMBED
/* globals we need to hide from the world */
END
open(GL, "<global.sym") || die "Can't open global.sym: $!\n";
while(<GL>) {
s/[ \t]*#.*//; # Delete comments.
next unless /\S/;
s/^\s*(\S+).*$/#define $1\t\tPerl_$1/;
$global{$1} = 1;
s/(................\t)\t/$1/;
print EM $_;
}
close(GL) || warn "Can't close global.sym: $!\n";
print EM <<'END';
#endif /* EMBED */
/* Put interpreter specific symbols into a struct? */
#ifdef MULTIPLICITY
END
open(INT, "<interp.sym") || die "Can't open interp.sym: $!\n";
while (<INT>) {
s/[ \t]*#.*//; # Delete comments.
next unless /\S/;
s/^\s*(\S+).*$/#define $1\t\t(curinterp->I$1)/;
s/(................\t)\t/$1/;
print EM $_;
}
close(INT) || warn "Can't close interp.sym: $!\n";
print EM <<'END';
#else /* not multiple, so translate interpreter symbols the other way... */
END
open(INT, "<interp.sym") || die "Can't open interp.sym: $!\n";
while (<INT>) {
s/[ \t]*#.*//; # Delete comments.
next unless /\S/;
s/^\s*(\S+).*$/#define I$1\t\t$1/;
s/(................\t)\t/$1/;
print EM $_;
}
close(INT) || warn "Can't close interp.sym: $!\n";
print EM "\n";
open(INT, "<interp.sym") || die "Can't open interp.sym: $!\n";
while (<INT>) {
s/[ \t]*#.*//; # Delete comments.
next unless /\S/;
s/^\s*(\S+).*$/#define $1\t\tPerl_$1/;
s/(................\t)\t/$1/;
print EM $_;
}
close(INT) || warn "Can't close interp.sym: $!\n";
print EM <<'END';
#endif /* MULTIPLICITY */
END
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