-#!/usr/bin/perl
+#!/usr/bin/perl -w
-open(EM, ">embed.h") || die "Can't create embed.h: $!\n";
+require 5.003;
+
+# XXX others that may need adding
+# warnhook
+# hints
+# copline
+my @extvars = qw(sv_undef sv_yes sv_no na dowarn
+ curcop compiling
+ tainting tainted stack_base stack_sp sv_arenaroot
+ no_modify
+ curstash DBsub DBsingle debstash
+ rsfp
+ stdingv
+ defgv
+ errgv
+ rsfp_filters
+ perldb
+ diehook
+ dirty
+ perl_destruct_level
+ );
+
+sub readsyms (\%$) {
+ 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);
+}
+
+readsyms %global, 'global.sym';
+readsyms %global, '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 (/PERLVARI?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} = 1;
+ }
+ }
+ close(FILE);
+}
+
+my %intrp;
+my %thread;
+
+readvars %intrp, 'intrpvar.h','I';
+readvars %thread, 'thrdvar.h','T';
+readvars %globvar, 'perlvars.h','G';
+readvars %objvar, 'intrpvar.h','pi', 1;
+
+foreach my $sym (sort keys %intrp)
+ {
+ if (exists $global{$sym})
+ {
+ delete $global{$sym};
+ warn "$sym in {global,pp}.sym as well as intrpvar.h\n";
+ }
+ }
+
+foreach my $sym (sort keys %globvar)
+ {
+ if (exists $global{$sym})
+ {
+ delete $global{$sym};
+ warn "$sym in {global,pp}.sym as well as perlvars.h\n";
+ }
+ }
+
+foreach my $sym (sort keys %thread)
+ {
+ warn "$sym in intrpvar.h as well as thrdvar.h\n" if exists $intrp{$sym};
+ if (exists $global{$sym})
+ {
+ delete $global{$sym};
+ warn "$sym in {global,pp}.sym as well as thrdvar.h\n";
+ }
+ }
+
+sub undefine ($) {
+ my ($sym) = @_;
+ "#undef $sym\n";
+}
+
+sub hide ($$) {
+ my ($from, $to) = @_;
+ my $t = int(length($from) / 8);
+ "#define $from" . "\t" x ($t < 3 ? 3 - $t : 1) . "$to\n";
+}
+
+sub embed ($) {
+ my ($sym) = @_;
+ hide($sym, "Perl_$sym");
+}
+
+sub embedobj ($) {
+ my ($sym) = @_;
+ hide($sym, $sym =~ /^perl_/i ? "CPerlObj::$sym" : "CPerlObj::Perl_$sym");
+}
+
+sub objxsub_func ($) {
+ my ($sym) = @_;
+ undefine($sym) . hide($sym, $sym =~ /^perl_/i
+ ? "pPerl->$sym"
+ : "pPerl->Perl_$sym");
+}
+
+sub objxsub_var ($) {
+ my ($sym) = @_;
+ undefine("PL_$sym") . hide("PL_$sym", "pPerl->PL_$sym");
+}
+
+sub embedvar ($) {
+ my ($sym) = @_;
+# hide($sym, "Perl_$sym");
+ return '';
+}
+
+sub multon ($$$) {
+ 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';
/* !!!!!!! 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
+ This file is built by embed.pl from global.sym, 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.) */
-/* 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
+/* NO_EMBED is no longer supported. i.e. EMBED is always active. */
-#ifdef EMBED
+/* Hide global symbols */
+
+#if !defined(PERL_OBJECT)
-/* globals we need to hide from the world */
END
-open(GL, "<global.sym") || die "Can't open global.sym: $!\n";
+for $sym (sort keys %global) {
+ print EM embed($sym);
+}
-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 $_;
+print EM <<'END';
+
+#else /* PERL_OBJECT */
+
+END
+
+# XXX these should be in a *.sym file
+my @staticfuncs = qw(
+ perl_init_i18nl10n
+ perl_init_i18nl14n
+ perl_new_collate
+ perl_new_ctype
+ perl_new_numeric
+ perl_set_numeric_local
+ perl_set_numeric_standard
+ perl_construct
+ perl_destruct
+ perl_atexit
+ perl_free
+ perl_parse
+ perl_run
+ perl_get_sv
+ perl_get_av
+ perl_get_hv
+ perl_get_cv
+ perl_call_argv
+ perl_call_pv
+ perl_call_method
+ perl_call_sv
+ perl_eval_pv
+ perl_eval_sv
+ perl_require_pv
+
+ hsplit
+ hfreeentries
+ more_he
+ new_he
+ del_he
+ save_hek
+ mess_alloc
+ gv_init_sv
+ save_scalar_at
+ asIV
+ asUV
+ more_sv
+ more_xiv
+ more_xnv
+ more_xpv
+ more_xrv
+ new_xiv
+ new_xnv
+ new_xpv
+ new_xrv
+ del_xiv
+ del_xnv
+ del_xpv
+ del_xrv
+ sv_mortalgrow
+ sv_unglob
+ sv_check_thinkfirst
+ avhv_index_sv
+ do_report_used
+ do_clean_objs
+ do_clean_named_objs
+ do_clean_all
+ not_a_number
+ my_safemalloc
+ visit
+ qsortsv
+ sortcv
+ save_magic
+ magic_methpack
+ magic_methcall
+ magic_methcall
+ doform
+ doencodes
+ refto
+ seed
+ docatch
+ dofindlabel
+ doparseform
+ dopoptoeval
+ dopoptolabel
+ dopoptoloop
+ dopoptosub
+ dopoptosub_at
+ save_lines
+ doeval
+ sv_ncmp
+ sv_i_ncmp
+ amagic_ncmp
+ amagic_i_ncmp
+ amagic_cmp
+ amagic_cmp_locale
+ mul128
+ is_an_int
+ div128
+ runops_standard
+ runops_debug
+ check_uni
+ force_next
+ force_version
+ force_word
+ tokeq
+ scan_const
+ scan_formline
+ scan_heredoc
+ scan_ident
+ scan_inputsymbol
+ scan_pat
+ scan_str
+ scan_subst
+ scan_trans
+ scan_word
+ skipspace
+ checkcomma
+ force_ident
+ incline
+ intuit_method
+ intuit_more
+ lop
+ missingterm
+ no_op
+ set_csh
+ sublex_done
+ sublex_push
+ sublex_start
+ uni
+ filter_gets
+ new_constant
+ ao
+ depcom
+ win32_textfilter
+ incl_perldb
+ isa_lookup
+ get_db_sub
+ list_assignment
+ bad_type
+ modkids
+ no_fh_allowed
+ scalarboolean
+ too_few_arguments
+ too_many_arguments
+ null
+ pad_findlex
+ newDEFSVOP
+ gv_ename
+ cv_clone2
+ find_beginning
+ forbid_setid
+ incpush
+ init_interp
+ init_ids
+ init_debugger
+ init_lexer
+ init_main_stash
+ init_perllib
+ init_postdump_symbols
+ init_predump_symbols
+ my_exit_jump
+ nuke_stacks
+ open_script
+ usage
+ validate_suid
+ emulate_eaccess
+ reg
+ reganode
+ regatom
+ regbranch
+ regc
+ reguni
+ regclass
+ regclassutf8
+ regcurly
+ reg_node
+ regpiece
+ reginsert
+ regoptail
+ regset
+ regtail
+ regwhite
+ nextchar
+ dumpuntil
+ scan_commit
+ study_chunk
+ add_data
+ re_croak2
+ regpposixcc
+ clear_re
+ regmatch
+ regrepeat
+ regrepeat_hard
+ regtry
+ reginclass
+ reginclassutf8
+ regcppush
+ regcppop
+ regcp_set_to
+ cache_re
+ restore_pos
+ reghop
+ reghopmaybe
+ dump
+ do_aspawn
+ debprof
+ bset_obj_store
+ new_logop
+ simplify_sort
+ is_handle_constructor
+ do_trans_CC_simple
+ do_trans_CC_count
+ do_trans_CC_complex
+ do_trans_UU_simple
+ do_trans_UU_count
+ do_trans_UU_complex
+ do_trans_UC_simple
+ do_trans_CU_simple
+ do_trans_UC_trivial
+ do_trans_CU_trivial
+ unwind_handler_stack
+ restore_magic
+ restore_rsfp
+ restore_expect
+ restore_lex_expect
+ yydestruct
+ del_sv
+ fprintf
+);
+
+for $sym (sort(keys(%global),@staticfuncs)) {
+ print EM embedobj($sym);
}
-close(GL) || warn "Can't close global.sym: $!\n";
+print EM <<'END';
+
+#endif /* PERL_OBJECT */
+
+END
+
+close(EM);
+
+unlink 'embedvar.h';
+open(EM, '> embedvar.h')
+ or die "Can't create embedvar.h: $!\n";
print EM <<'END';
+/* !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
+ This file is built by embed.pl from global.sym, pp.sym, intrpvar.h,
+ perlvars.h and thrdvar.h. Any changes made here will be lost!
+*/
-#endif /* EMBED */
+/* (Doing namespace management portably in C is really gross.) */
-/* Put interpreter specific symbols into a struct? */
+/* Put interpreter-specific symbols into a struct? */
#ifdef MULTIPLICITY
-/* Undefine symbols that were defined by EMBED. Somewhat ugly */
+#ifndef USE_THREADS
+/* If we do not have threads then per-thread vars are per-interpreter */
END
+for $sym (sort keys %thread) {
+ print EM multon($sym,'T','PL_curinterp->');
+}
-open(INT, "<interp.sym") || die "Can't open interp.sym: $!\n";
-while (<INT>) {
- s/[ \t]*#.*//; # Delete comments.
- next unless /\S/;
- s/^\s*(\S*).*$/#undef $1/;
- print EM $_ if (exists $global{$1});
+print EM <<'END';
+
+#endif /* !USE_THREADS */
+
+/* These are always per-interpreter if there is more than one */
+
+END
+
+for $sym (sort keys %intrp) {
+ print EM multon($sym,'I','PL_curinterp->');
}
-close(INT) || warn "Can't close interp.sym: $!\n";
-print EM "\n";
+print EM <<'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 $_;
+#else /* !MULTIPLICITY */
+
+END
+
+for $sym (sort keys %intrp) {
+ print EM multoff($sym,'I');
}
-close(INT) || warn "Can't close interp.sym: $!\n";
print EM <<'END';
-#else /* not multiple, so translate interpreter symbols the other way... */
+#ifndef USE_THREADS
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 $_;
+for $sym (sort keys %thread) {
+ print EM multoff($sym,'T');
+}
+
+print EM <<'END';
+
+#endif /* USE_THREADS */
+
+/* Hide what would have been interpreter-specific symbols? */
+
+END
+
+for $sym (sort keys %intrp) {
+ print EM embedvar($sym);
+}
+
+print EM <<'END';
+
+#ifndef USE_THREADS
+
+END
+
+for $sym (sort keys %thread) {
+ print EM embedvar($sym);
}
-close(INT) || warn "Can't close interp.sym: $!\n";
print EM <<'END';
+#endif /* USE_THREADS */
#endif /* MULTIPLICITY */
+
+/* Now same trickey for per-thread variables */
+
+#ifdef USE_THREADS
+
+END
+
+for $sym (sort keys %thread) {
+ print EM multon($sym,'T','thr->');
+}
+
+print EM <<'END';
+
+#endif /* USE_THREADS */
+
+#ifdef 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';
+
+END
+
+for $sym (sort keys %globvar) {
+ print EM embedvar($sym);
+}
+
+print EM <<'END';
+
+#endif /* PERL_GLOBAL_STRUCT */
+
+END
+
+print EM <<'END';
+
+#ifdef PERL_POLLUTE /* unsupported in 5.006 */
+
+END
+
+for $sym (sort @extvars) {
+ print EM hide($sym,"PL_$sym");
+}
+
+print EM <<'END';
+
+#endif /* MIN_PERL_DEFINE */
+END
+
+
+close(EM);
+
+unlink 'objXSUB.h';
+open(OBX, '> objXSUB.h')
+ or die "Can't create objXSUB.h: $!\n";
+
+print OBX <<'EOT';
+/* !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
+ This file is built by embed.pl from global.sym, pp.sym, intrpvar.h,
+ perlvars.h and thrdvar.h. Any changes made here will be lost!
+*/
+
+#ifndef __objXSUB_h__
+#define __objXSUB_h__
+
+/* Variables */
+
+EOT
+
+foreach my $sym (sort(keys(%intrp),
+ keys(%thread),
+ keys(%globvar),
+ keys(%objvar)))
+{
+ print OBX objxsub_var($sym);
+}
+
+print OBX <<'EOT';
+
+/* Functions */
+
+EOT
+
+
+for $sym (sort(keys(%global),@staticfuncs)) {
+ print OBX objxsub_func($sym);
+}
+
+
+print OBX <<'EOT';
+
+#endif /* __objXSUB_h__ */
+EOT
+
+close(OBX);
https://perl5.git.perl.org / perl5.git / blobdiff