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/cvs/cvsroot/staticperl/perl/opcode.pl
Revision: 1.1
Committed: Thu Jun 30 14:26:42 2005 UTC (21 years, 3 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: PERL-5-8-7, HEAD
Branch point for: PERL
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 root 1.1 #!/usr/bin/perl
2     BEGIN {
3     # Get function prototypes
4     require 'regen_lib.pl';
5     }
6    
7     $opcode_new = 'opcode.h-new';
8     $opname_new = 'opnames.h-new';
9     open(OC, ">$opcode_new") || die "Can't create $opcode_new: $!\n";
10     binmode OC;
11     open(ON, ">$opname_new") || die "Can't create $opname_new: $!\n";
12     binmode ON;
13     select OC;
14    
15     # Read data.
16    
17     while (<DATA>) {
18     chop;
19     next unless $_;
20     next if /^#/;
21     ($key, $desc, $check, $flags, $args) = split(/\t+/, $_, 5);
22    
23     warn qq[Description "$desc" duplicates $seen{$desc}\n] if $seen{$desc};
24     die qq[Opcode "$key" duplicates $seen{$key}\n] if $seen{$key};
25     $seen{$desc} = qq[description of opcode "$key"];
26     $seen{$key} = qq[opcode "$key"];
27    
28     push(@ops, $key);
29     $desc{$key} = $desc;
30     $check{$key} = $check;
31     $ckname{$check}++;
32     $flags{$key} = $flags;
33     $args{$key} = $args;
34     }
35    
36     # Emit defines.
37    
38     $i = 0;
39     print <<"END";
40     /*
41     * opcode.h
42     *
43     * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
44     * 2000, 2001, 2002, 2003, 2004, by Larry Wall and others
45     *
46     * You may distribute under the terms of either the GNU General Public
47     * License or the Artistic License, as specified in the README file.
48     *
49     * !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
50     * This file is built by opcode.pl from its data. Any changes made here
51     * will be lost!
52     */
53    
54     #define Perl_pp_i_preinc Perl_pp_preinc
55     #define Perl_pp_i_predec Perl_pp_predec
56     #define Perl_pp_i_postinc Perl_pp_postinc
57     #define Perl_pp_i_postdec Perl_pp_postdec
58    
59     END
60    
61     print ON <<"END";
62     /*
63     * opnames.h
64     *
65     * Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, by Larry Wall and others
66     *
67     * You may distribute under the terms of either the GNU General Public
68     * License or the Artistic License, as specified in the README file.
69     *
70     *
71     * !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
72     * This file is built by opcode.pl from its data. Any changes made here
73     * will be lost!
74     */
75    
76     typedef enum opcode {
77     END
78    
79     for (@ops) {
80     print ON "\t", &tab(3,"OP_\U$_,"), "/* ", $i++, " */\n";
81     }
82     print ON "\t", &tab(3,"OP_max"), "\n";
83     print ON "} opcode;\n";
84     print ON "\n#define MAXO ", scalar @ops, "\n";
85     print ON "#define OP_phoney_INPUT_ONLY -1\n";
86     print ON "#define OP_phoney_OUTPUT_ONLY -2\n\n";
87    
88     # Emit op names and descriptions.
89    
90     print <<END;
91    
92     START_EXTERN_C
93    
94    
95     #define OP_NAME(o) ((o)->op_type == OP_CUSTOM ? custom_op_name(o) : \\
96     PL_op_name[(o)->op_type])
97     #define OP_DESC(o) ((o)->op_type == OP_CUSTOM ? custom_op_desc(o) : \\
98     PL_op_desc[(o)->op_type])
99    
100     #ifndef DOINIT
101     EXT char *PL_op_name[];
102     #else
103     EXT char *PL_op_name[] = {
104     END
105    
106     for (@ops) {
107     print qq(\t"$_",\n);
108     }
109    
110     print <<END;
111     };
112     #endif
113    
114     END
115    
116     print <<END;
117     #ifndef DOINIT
118     EXT char *PL_op_desc[];
119     #else
120     EXT char *PL_op_desc[] = {
121     END
122    
123     for (@ops) {
124     my($safe_desc) = $desc{$_};
125    
126     # Have to escape double quotes and escape characters.
127     $safe_desc =~ s/(^|[^\\])([\\"])/$1\\$2/g;
128    
129     print qq(\t"$safe_desc",\n);
130     }
131    
132     print <<END;
133     };
134     #endif
135    
136     END_EXTERN_C
137    
138     END
139    
140     # Emit function declarations.
141    
142     #for (sort keys %ckname) {
143     # print "OP *\t", &tab(3,$_),"(pTHX_ OP* o);\n";
144     #}
145     #
146     #print "\n";
147     #
148     #for (@ops) {
149     # print "OP *\t", &tab(3, "pp_$_"), "(pTHX);\n";
150     #}
151    
152     # Emit ppcode switch array.
153    
154     print <<END;
155    
156     START_EXTERN_C
157    
158     #ifndef DOINIT
159     EXT OP * (CPERLscope(*PL_ppaddr)[])(pTHX);
160     #else
161     EXT OP * (CPERLscope(*PL_ppaddr)[])(pTHX) = {
162     END
163    
164     for (@ops) {
165     print "\tMEMBER_TO_FPTR(Perl_pp_$_),\n" unless $_ eq "custom";
166     }
167    
168     print <<END;
169     };
170     #endif
171    
172     END
173    
174     # Emit check routines.
175    
176     print <<END;
177     #ifndef DOINIT
178     EXT OP * (CPERLscope(*PL_check)[]) (pTHX_ OP *op);
179     #else
180     EXT OP * (CPERLscope(*PL_check)[]) (pTHX_ OP *op) = {
181     END
182    
183     for (@ops) {
184     print "\t", &tab(3, "MEMBER_TO_FPTR(Perl_$check{$_}),"), "\t/* $_ */\n";
185     }
186    
187     print <<END;
188     };
189     #endif
190    
191     END
192    
193     # Emit allowed argument types.
194    
195     print <<END;
196     #ifndef DOINIT
197     EXT U32 PL_opargs[];
198     #else
199     EXT U32 PL_opargs[] = {
200     END
201    
202     %argnum = (
203     S, 1, # scalar
204     L, 2, # list
205     A, 3, # array value
206     H, 4, # hash value
207     C, 5, # code value
208     F, 6, # file value
209     R, 7, # scalar reference
210     );
211    
212     %opclass = (
213     '0', 0, # baseop
214     '1', 1, # unop
215     '2', 2, # binop
216     '|', 3, # logop
217     '@', 4, # listop
218     '/', 5, # pmop
219     '$', 6, # svop_or_padop
220     '#', 7, # padop
221     '"', 8, # pvop_or_svop
222     '{', 9, # loop
223     ';', 10, # cop
224     '%', 11, # baseop_or_unop
225     '-', 12, # filestatop
226     '}', 13, # loopexop
227     );
228    
229     my %OP_IS_SOCKET;
230     my %OP_IS_FILETEST;
231    
232     for (@ops) {
233     $argsum = 0;
234     $flags = $flags{$_};
235     $argsum |= 1 if $flags =~ /m/; # needs stack mark
236     $argsum |= 2 if $flags =~ /f/; # fold constants
237     $argsum |= 4 if $flags =~ /s/; # always produces scalar
238     $argsum |= 8 if $flags =~ /t/; # needs target scalar
239     $argsum |= (8|256) if $flags =~ /T/; # ... which may be lexical
240     $argsum |= 16 if $flags =~ /i/; # always produces integer
241     $argsum |= 32 if $flags =~ /I/; # has corresponding int op
242     $argsum |= 64 if $flags =~ /d/; # danger, unknown side effects
243     $argsum |= 128 if $flags =~ /u/; # defaults to $_
244     $flags =~ /([\W\d_])/ or die qq[Opcode "$_" has no class indicator];
245     $argsum |= $opclass{$1} << 9;
246     $mul = 0x2000; # 2 ^ OASHIFT
247     for $arg (split(' ',$args{$_})) {
248     if ($arg =~ /^F/) {
249     $OP_IS_SOCKET{$_} = 1 if $arg =~ s/s//;
250     $OP_IS_FILETEST{$_} = 1 if $arg =~ s/-//;
251     }
252     $argnum = ($arg =~ s/\?//) ? 8 : 0;
253     die "op = $_, arg = $arg\n" unless length($arg) == 1;
254     $argnum += $argnum{$arg};
255     warn "# Conflicting bit 32 for '$_'.\n"
256     if $argnum & 8 and $mul == 0x10000000;
257     $argsum += $argnum * $mul;
258     $mul <<= 4;
259     }
260     $argsum = sprintf("0x%08x", $argsum);
261     print "\t", &tab(3, "$argsum,"), "/* $_ */\n";
262     }
263    
264     print <<END;
265     };
266     #endif
267    
268     END_EXTERN_C
269     END
270    
271     if (keys %OP_IS_SOCKET) {
272     print ON "\n#define OP_IS_SOCKET(op) \\\n\t(";
273     print ON join(" || \\\n\t ",
274     map { "(op) == OP_" . uc() } sort keys %OP_IS_SOCKET);
275     print ON ")\n\n";
276     }
277    
278     if (keys %OP_IS_FILETEST) {
279     print ON "\n#define OP_IS_FILETEST(op) \\\n\t(";
280     print ON join(" || \\\n\t ",
281     map { "(op) == OP_" . uc() } sort keys %OP_IS_FILETEST);
282     print ON ")\n\n";
283     }
284    
285     close OC or die "Error closing opcode.h: $!";
286     close ON or die "Error closing opnames.h: $!";
287    
288     foreach ('opcode.h', 'opnames.h') {
289     safer_rename_silent $_, "$_-old";
290     }
291     safer_rename $opcode_new, 'opcode.h';
292     safer_rename $opname_new, 'opnames.h';
293    
294     $pp_proto_new = 'pp_proto.h-new';
295     $pp_sym_new = 'pp.sym-new';
296    
297     open PP, ">$pp_proto_new" or die "Error creating $pp_proto_new: $!";
298     binmode PP;
299     open PPSYM, ">$pp_sym_new" or die "Error creating $pp_sym_new: $!";
300     binmode PPSYM;
301    
302     print PP <<"END";
303     /* !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
304     This file is built by opcode.pl from its data. Any changes made here
305     will be lost!
306     */
307    
308     END
309    
310     print PPSYM <<"END";
311     #
312     # !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
313     # This file is built by opcode.pl from its data. Any changes made here
314     # will be lost!
315     #
316    
317     END
318    
319    
320     for (sort keys %ckname) {
321     print PP "PERL_CKDEF(Perl_$_)\n";
322     print PPSYM "Perl_$_\n";
323     #OP *\t", &tab(3,$_),"(OP* o);\n";
324     }
325    
326     print PP "\n\n";
327    
328     for (@ops) {
329     next if /^i_(pre|post)(inc|dec)$/;
330     next if /^custom$/;
331     print PP "PERL_PPDEF(Perl_pp_$_)\n";
332     print PPSYM "Perl_pp_$_\n";
333     }
334    
335     close PP or die "Error closing pp_proto.h: $!";
336     close PPSYM or die "Error closing pp.sym: $!";
337    
338     foreach ('pp_proto.h', 'pp.sym') {
339     safer_rename_silent $_, "$_-old";
340     }
341     safer_rename $pp_proto_new, 'pp_proto.h';
342     safer_rename $pp_sym_new, 'pp.sym';
343    
344     END {
345     foreach ('opcode.h', 'opnames.h', 'pp_proto.h', 'pp.sym') {
346     1 while unlink "$_-old";
347     }
348     }
349    
350     ###########################################################################
351     sub tab {
352     local($l, $t) = @_;
353     $t .= "\t" x ($l - (length($t) + 1) / 8);
354     $t;
355     }
356     ###########################################################################
357    
358     # Some comments about 'T' opcode classifier:
359    
360     # Safe to set if the ppcode uses:
361     # tryAMAGICbin, tryAMAGICun, SETn, SETi, SETu, PUSHn, PUSHTARG, SETTARG,
362     # SETs(TARG), XPUSHn, XPUSHu,
363    
364     # Unsafe to set if the ppcode uses dTARG or [X]RETPUSH[YES|NO|UNDEF]
365    
366     # lt and friends do SETs (including ncmp, but not scmp)
367    
368     # Additional mode of failure: the opcode can modify TARG before it "used"
369     # all the arguments (or may call an external function which does the same).
370     # If the target coincides with one of the arguments ==> kaboom.
371    
372     # pp.c pos substr each not OK (RETPUSHUNDEF)
373     # substr vec also not OK due to LV to target (are they???)
374     # ref not OK (RETPUSHNO)
375     # trans not OK (dTARG; TARG = sv_newmortal();)
376     # ucfirst etc not OK: TMP arg processed inplace
377     # quotemeta not OK (unsafe when TARG == arg)
378     # each repeat not OK too due to list context
379     # pack split - unknown whether they are safe
380     # sprintf: is calling do_sprintf(TARG,...) which can act on TARG
381     # before other args are processed.
382    
383     # Suspicious wrt "additional mode of failure" (and only it):
384     # schop, chop, postinc/dec, bit_and etc, negate, complement.
385    
386     # Also suspicious: 4-arg substr, sprintf, uc/lc (POK_only), reverse, pack.
387    
388     # substr/vec: doing TAINT_off()???
389    
390     # pp_hot.c
391     # readline - unknown whether it is safe
392     # match subst not OK (dTARG)
393     # grepwhile not OK (not always setting)
394     # join not OK (unsafe when TARG == arg)
395    
396     # Suspicious wrt "additional mode of failure": concat (dealt with
397     # in ck_sassign()), join (same).
398    
399     # pp_ctl.c
400     # mapwhile flip caller not OK (not always setting)
401    
402     # pp_sys.c
403     # backtick glob warn die not OK (not always setting)
404     # warn not OK (RETPUSHYES)
405     # open fileno getc sysread syswrite ioctl accept shutdown
406     # ftsize(etc) readlink telldir fork alarm getlogin not OK (RETPUSHUNDEF)
407     # umask select not OK (XPUSHs(&PL_sv_undef);)
408     # fileno getc sysread syswrite tell not OK (meth("FILENO" "GETC"))
409     # sselect shm* sem* msg* syscall - unknown whether they are safe
410     # gmtime not OK (list context)
411    
412     # Suspicious wrt "additional mode of failure": warn, die, select.
413    
414     __END__
415    
416     # New ops always go at the end, just before 'custom'
417    
418     # A recapitulation of the format of this file:
419     # The file consists of five columns: the name of the op, an English
420     # description, the name of the "check" routine used to optimize this
421     # operation, some flags, and a description of the operands.
422    
423     # The flags consist of options followed by a mandatory op class signifier
424    
425     # The classes are:
426     # baseop - 0 unop - 1 binop - 2
427     # logop - | listop - @ pmop - /
428     # padop/svop - $ padop - # (unused) loop - {
429     # baseop/unop - % loopexop - } filestatop - -
430     # pvop/svop - " cop - ;
431    
432     # Other options are:
433     # needs stack mark - m
434     # needs constant folding - f
435     # produces a scalar - s
436     # produces an integer - i
437     # needs a target - t
438     # target can be in a pad - T
439     # has a corresponding integer version - I
440     # has side effects - d
441     # uses $_ if no argument given - u
442    
443     # Values for the operands are:
444     # scalar - S list - L array - A
445     # hash - H sub (CV) - C file - F
446     # socket - Fs filetest - F- reference - R
447     # "?" denotes an optional operand.
448    
449     # Nothing.
450    
451     null null operation ck_null 0
452     stub stub ck_null 0
453     scalar scalar ck_fun s% S
454    
455     # Pushy stuff.
456    
457     pushmark pushmark ck_null s0
458     wantarray wantarray ck_null is0
459    
460     const constant item ck_svconst s$
461    
462     gvsv scalar variable ck_null ds$
463     gv glob value ck_null ds$
464     gelem glob elem ck_null d2 S S
465     padsv private variable ck_null ds0
466     padav private array ck_null d0
467     padhv private hash ck_null d0
468     padany private value ck_null d0
469    
470     pushre push regexp ck_null d/
471    
472     # References and stuff.
473    
474     rv2gv ref-to-glob cast ck_rvconst ds1
475     rv2sv scalar dereference ck_rvconst ds1
476     av2arylen array length ck_null is1
477     rv2cv subroutine dereference ck_rvconst d1
478     anoncode anonymous subroutine ck_anoncode $
479     prototype subroutine prototype ck_null s% S
480     refgen reference constructor ck_spair m1 L
481     srefgen single ref constructor ck_null fs1 S
482     ref reference-type operator ck_fun stu% S?
483     bless bless ck_fun s@ S S?
484    
485     # Pushy I/O.
486    
487     backtick quoted execution (``, qx) ck_open t%
488     # glob defaults its first arg to $_
489     glob glob ck_glob t@ S?
490     readline <HANDLE> ck_null t% F?
491     rcatline append I/O operator ck_null t$
492    
493     # Bindable operators.
494    
495     regcmaybe regexp internal guard ck_fun s1 S
496     regcreset regexp internal reset ck_fun s1 S
497     regcomp regexp compilation ck_null s| S
498     match pattern match (m//) ck_match d/
499     qr pattern quote (qr//) ck_match s/
500     subst substitution (s///) ck_null dis/ S
501     substcont substitution iterator ck_null dis|
502     trans transliteration (tr///) ck_null is" S
503    
504     # Lvalue operators.
505     # sassign is special-cased for op class
506    
507     sassign scalar assignment ck_sassign s0
508     aassign list assignment ck_null t2 L L
509    
510     chop chop ck_spair mts% L
511     schop scalar chop ck_null stu% S?
512     chomp chomp ck_spair mTs% L
513     schomp scalar chomp ck_null sTu% S?
514     defined defined operator ck_defined isu% S?
515     undef undef operator ck_lfun s% S?
516     study study ck_fun su% S?
517     pos match position ck_lfun stu% S?
518    
519     preinc preincrement (++) ck_lfun dIs1 S
520     i_preinc integer preincrement (++) ck_lfun dis1 S
521     predec predecrement (--) ck_lfun dIs1 S
522     i_predec integer predecrement (--) ck_lfun dis1 S
523     postinc postincrement (++) ck_lfun dIst1 S
524     i_postinc integer postincrement (++) ck_lfun disT1 S
525     postdec postdecrement (--) ck_lfun dIst1 S
526     i_postdec integer postdecrement (--) ck_lfun disT1 S
527    
528     # Ordinary operators.
529    
530     pow exponentiation (**) ck_null fsT2 S S
531    
532     multiply multiplication (*) ck_null IfsT2 S S
533     i_multiply integer multiplication (*) ck_null ifsT2 S S
534     divide division (/) ck_null IfsT2 S S
535     i_divide integer division (/) ck_null ifsT2 S S
536     modulo modulus (%) ck_null IifsT2 S S
537     i_modulo integer modulus (%) ck_null ifsT2 S S
538     repeat repeat (x) ck_repeat mt2 L S
539    
540     add addition (+) ck_null IfsT2 S S
541     i_add integer addition (+) ck_null ifsT2 S S
542     subtract subtraction (-) ck_null IfsT2 S S
543     i_subtract integer subtraction (-) ck_null ifsT2 S S
544     concat concatenation (.) or string ck_concat fsT2 S S
545     stringify string ck_fun fsT@ S
546    
547     left_shift left bitshift (<<) ck_bitop fsT2 S S
548     right_shift right bitshift (>>) ck_bitop fsT2 S S
549    
550     lt numeric lt (<) ck_null Iifs2 S S
551     i_lt integer lt (<) ck_null ifs2 S S
552     gt numeric gt (>) ck_null Iifs2 S S
553     i_gt integer gt (>) ck_null ifs2 S S
554     le numeric le (<=) ck_null Iifs2 S S
555     i_le integer le (<=) ck_null ifs2 S S
556     ge numeric ge (>=) ck_null Iifs2 S S
557     i_ge integer ge (>=) ck_null ifs2 S S
558     eq numeric eq (==) ck_null Iifs2 S S
559     i_eq integer eq (==) ck_null ifs2 S S
560     ne numeric ne (!=) ck_null Iifs2 S S
561     i_ne integer ne (!=) ck_null ifs2 S S
562     ncmp numeric comparison (<=>) ck_null Iifst2 S S
563     i_ncmp integer comparison (<=>) ck_null ifst2 S S
564    
565     slt string lt ck_null ifs2 S S
566     sgt string gt ck_null ifs2 S S
567     sle string le ck_null ifs2 S S
568     sge string ge ck_null ifs2 S S
569     seq string eq ck_null ifs2 S S
570     sne string ne ck_null ifs2 S S
571     scmp string comparison (cmp) ck_null ifst2 S S
572    
573     bit_and bitwise and (&) ck_bitop fst2 S S
574     bit_xor bitwise xor (^) ck_bitop fst2 S S
575     bit_or bitwise or (|) ck_bitop fst2 S S
576    
577     negate negation (-) ck_null Ifst1 S
578     i_negate integer negation (-) ck_null ifsT1 S
579     not not ck_null ifs1 S
580     complement 1's complement (~) ck_bitop fst1 S
581    
582     # High falutin' math.
583    
584     atan2 atan2 ck_fun fsT@ S S
585     sin sin ck_fun fsTu% S?
586     cos cos ck_fun fsTu% S?
587     rand rand ck_fun sT% S?
588     srand srand ck_fun s% S?
589     exp exp ck_fun fsTu% S?
590     log log ck_fun fsTu% S?
591     sqrt sqrt ck_fun fsTu% S?
592    
593     # Lowbrow math.
594    
595     int int ck_fun fsTu% S?
596     hex hex ck_fun fsTu% S?
597     oct oct ck_fun fsTu% S?
598     abs abs ck_fun fsTu% S?
599    
600     # String stuff.
601    
602     length length ck_lengthconst isTu% S?
603     substr substr ck_substr st@ S S S? S?
604     vec vec ck_fun ist@ S S S
605    
606     index index ck_index isT@ S S S?
607     rindex rindex ck_index isT@ S S S?
608    
609     sprintf sprintf ck_fun mfst@ S L
610     formline formline ck_fun ms@ S L
611     ord ord ck_fun ifsTu% S?
612     chr chr ck_fun fsTu% S?
613     crypt crypt ck_fun fsT@ S S
614     ucfirst ucfirst ck_fun fstu% S?
615     lcfirst lcfirst ck_fun fstu% S?
616     uc uc ck_fun fstu% S?
617     lc lc ck_fun fstu% S?
618     quotemeta quotemeta ck_fun fstu% S?
619    
620     # Arrays.
621    
622     rv2av array dereference ck_rvconst dt1
623     aelemfast constant array element ck_null s$ A S
624     aelem array element ck_null s2 A S
625     aslice array slice ck_null m@ A L
626    
627     # Hashes.
628    
629     each each ck_fun % H
630     values values ck_fun t% H
631     keys keys ck_fun t% H
632     delete delete ck_delete % S
633     exists exists ck_exists is% S
634     rv2hv hash dereference ck_rvconst dt1
635     helem hash element ck_null s2@ H S
636     hslice hash slice ck_null m@ H L
637    
638     # Explosives and implosives.
639    
640     unpack unpack ck_fun @ S S
641     pack pack ck_fun mst@ S L
642     split split ck_split t@ S S S
643     join join or string ck_join mst@ S L
644    
645     # List operators.
646    
647     list list ck_null m@ L
648     lslice list slice ck_null 2 H L L
649     anonlist anonymous list ([]) ck_fun ms@ L
650     anonhash anonymous hash ({}) ck_fun ms@ L
651    
652     splice splice ck_fun m@ A S? S? L
653     push push ck_fun imsT@ A L
654     pop pop ck_shift s% A?
655     shift shift ck_shift s% A?
656     unshift unshift ck_fun imsT@ A L
657     sort sort ck_sort m@ C? L
658     reverse reverse ck_fun mt@ L
659    
660     grepstart grep ck_grep dm@ C L
661     grepwhile grep iterator ck_null dt|
662    
663     mapstart map ck_grep dm@ C L
664     mapwhile map iterator ck_null dt|
665    
666     # Range stuff.
667    
668     range flipflop ck_null | S S
669     flip range (or flip) ck_null 1 S S
670     flop range (or flop) ck_null 1
671    
672     # Control.
673    
674     and logical and (&&) ck_null |
675     or logical or (||) ck_null |
676     xor logical xor ck_null fs2 S S
677     cond_expr conditional expression ck_null d|
678     andassign logical and assignment (&&=) ck_null s|
679     orassign logical or assignment (||=) ck_null s|
680    
681     method method lookup ck_method d1
682     entersub subroutine entry ck_subr dmt1 L
683     leavesub subroutine exit ck_null 1
684     leavesublv lvalue subroutine return ck_null 1
685     caller caller ck_fun t% S?
686     warn warn ck_fun imst@ L
687     die die ck_die dimst@ L
688     reset symbol reset ck_fun is% S?
689    
690     lineseq line sequence ck_null @
691     nextstate next statement ck_null s;
692     dbstate debug next statement ck_null s;
693     unstack iteration finalizer ck_null s0
694     enter block entry ck_null 0
695     leave block exit ck_null @
696     scope block ck_null @
697     enteriter foreach loop entry ck_null d{
698     iter foreach loop iterator ck_null 0
699     enterloop loop entry ck_null d{
700     leaveloop loop exit ck_null 2
701     return return ck_return dm@ L
702     last last ck_null ds}
703     next next ck_null ds}
704     redo redo ck_null ds}
705     dump dump ck_null ds}
706     goto goto ck_null ds}
707     exit exit ck_exit ds% S?
708     # continued below
709    
710     #nswitch numeric switch ck_null d
711     #cswitch character switch ck_null d
712    
713     # I/O.
714    
715     open open ck_open ismt@ F S? L
716     close close ck_fun is% F?
717     pipe_op pipe ck_fun is@ F F
718    
719     fileno fileno ck_fun ist% F
720     umask umask ck_fun ist% S?
721     binmode binmode ck_fun s@ F S?
722    
723     tie tie ck_fun idms@ R S L
724     untie untie ck_fun is% R
725     tied tied ck_fun s% R
726     dbmopen dbmopen ck_fun is@ H S S
727     dbmclose dbmclose ck_fun is% H
728    
729     sselect select system call ck_select t@ S S S S
730     select select ck_select st@ F?
731    
732     getc getc ck_eof st% F?
733     read read ck_fun imst@ F R S S?
734     enterwrite write ck_fun dis% F?
735     leavewrite write exit ck_null 1
736    
737     prtf printf ck_listiob ims@ F? L
738     print print ck_listiob ims@ F? L
739    
740     sysopen sysopen ck_fun s@ F S S S?
741     sysseek sysseek ck_fun s@ F S S
742     sysread sysread ck_fun imst@ F R S S?
743     syswrite syswrite ck_fun imst@ F S S? S?
744    
745     send send ck_fun imst@ Fs S S S?
746     recv recv ck_fun imst@ Fs R S S
747    
748     eof eof ck_eof is% F?
749     tell tell ck_fun st% F?
750     seek seek ck_fun s@ F S S
751     # truncate really behaves as if it had both "S S" and "F S"
752     truncate truncate ck_trunc is@ S S
753    
754     fcntl fcntl ck_fun st@ F S S
755     ioctl ioctl ck_fun st@ F S S
756     flock flock ck_fun isT@ F S
757    
758     # Sockets.
759    
760     socket socket ck_fun is@ Fs S S S
761     sockpair socketpair ck_fun is@ Fs Fs S S S
762    
763     bind bind ck_fun is@ Fs S
764     connect connect ck_fun is@ Fs S
765     listen listen ck_fun is@ Fs S
766     accept accept ck_fun ist@ Fs Fs
767     shutdown shutdown ck_fun ist@ Fs S
768    
769     gsockopt getsockopt ck_fun is@ Fs S S
770     ssockopt setsockopt ck_fun is@ Fs S S S
771    
772     getsockname getsockname ck_fun is% Fs
773     getpeername getpeername ck_fun is% Fs
774    
775     # Stat calls.
776    
777     lstat lstat ck_ftst u- F
778     stat stat ck_ftst u- F
779     ftrread -R ck_ftst isu- F-
780     ftrwrite -W ck_ftst isu- F-
781     ftrexec -X ck_ftst isu- F-
782     fteread -r ck_ftst isu- F-
783     ftewrite -w ck_ftst isu- F-
784     fteexec -x ck_ftst isu- F-
785     ftis -e ck_ftst isu- F-
786     fteowned -O ck_ftst isu- F-
787     ftrowned -o ck_ftst isu- F-
788     ftzero -z ck_ftst isu- F-
789     ftsize -s ck_ftst istu- F-
790     ftmtime -M ck_ftst stu- F-
791     ftatime -A ck_ftst stu- F-
792     ftctime -C ck_ftst stu- F-
793     ftsock -S ck_ftst isu- F-
794     ftchr -c ck_ftst isu- F-
795     ftblk -b ck_ftst isu- F-
796     ftfile -f ck_ftst isu- F-
797     ftdir -d ck_ftst isu- F-
798     ftpipe -p ck_ftst isu- F-
799     ftlink -l ck_ftst isu- F-
800     ftsuid -u ck_ftst isu- F-
801     ftsgid -g ck_ftst isu- F-
802     ftsvtx -k ck_ftst isu- F-
803     fttty -t ck_ftst is- F-
804     fttext -T ck_ftst isu- F-
805     ftbinary -B ck_ftst isu- F-
806    
807     # File calls.
808    
809     chdir chdir ck_fun isT% S?
810     chown chown ck_fun imsT@ L
811     chroot chroot ck_fun isTu% S?
812     unlink unlink ck_fun imsTu@ L
813     chmod chmod ck_fun imsT@ L
814     utime utime ck_fun imsT@ L
815     rename rename ck_fun isT@ S S
816     link link ck_fun isT@ S S
817     symlink symlink ck_fun isT@ S S
818     readlink readlink ck_fun stu% S?
819     mkdir mkdir ck_fun isT@ S S?
820     rmdir rmdir ck_fun isTu% S?
821    
822     # Directory calls.
823    
824     open_dir opendir ck_fun is@ F S
825     readdir readdir ck_fun % F
826     telldir telldir ck_fun st% F
827     seekdir seekdir ck_fun s@ F S
828     rewinddir rewinddir ck_fun s% F
829     closedir closedir ck_fun is% F
830    
831     # Process control.
832    
833     fork fork ck_null ist0
834     wait wait ck_null isT0
835     waitpid waitpid ck_fun isT@ S S
836     system system ck_exec imsT@ S? L
837     exec exec ck_exec dimsT@ S? L
838     kill kill ck_fun dimsT@ L
839     getppid getppid ck_null isT0
840     getpgrp getpgrp ck_fun isT% S?
841     setpgrp setpgrp ck_fun isT@ S? S?
842     getpriority getpriority ck_fun isT@ S S
843     setpriority setpriority ck_fun isT@ S S S
844    
845     # Time calls.
846    
847     # NOTE: MacOS patches the 'i' of time() away later when the interpreter
848     # is created because in MacOS time() is already returning times > 2**31-1,
849     # that is, non-integers.
850    
851     time time ck_null isT0
852     tms times ck_null 0
853     localtime localtime ck_fun t% S?
854     gmtime gmtime ck_fun t% S?
855     alarm alarm ck_fun istu% S?
856     sleep sleep ck_fun isT% S?
857    
858     # Shared memory.
859    
860     shmget shmget ck_fun imst@ S S S
861     shmctl shmctl ck_fun imst@ S S S
862     shmread shmread ck_fun imst@ S S S S
863     shmwrite shmwrite ck_fun imst@ S S S S
864    
865     # Message passing.
866    
867     msgget msgget ck_fun imst@ S S
868     msgctl msgctl ck_fun imst@ S S S
869     msgsnd msgsnd ck_fun imst@ S S S
870     msgrcv msgrcv ck_fun imst@ S S S S S
871    
872     # Semaphores.
873    
874     semget semget ck_fun imst@ S S S
875     semctl semctl ck_fun imst@ S S S S
876     semop semop ck_fun imst@ S S
877    
878     # Eval.
879    
880     require require ck_require du% S?
881     dofile do "file" ck_fun d1 S
882     entereval eval "string" ck_eval d% S
883     leaveeval eval "string" exit ck_null 1 S
884     #evalonce eval constant string ck_null d1 S
885     entertry eval {block} ck_null |
886     leavetry eval {block} exit ck_null @
887    
888     # Get system info.
889    
890     ghbyname gethostbyname ck_fun % S
891     ghbyaddr gethostbyaddr ck_fun @ S S
892     ghostent gethostent ck_null 0
893     gnbyname getnetbyname ck_fun % S
894     gnbyaddr getnetbyaddr ck_fun @ S S
895     gnetent getnetent ck_null 0
896     gpbyname getprotobyname ck_fun % S
897     gpbynumber getprotobynumber ck_fun @ S
898     gprotoent getprotoent ck_null 0
899     gsbyname getservbyname ck_fun @ S S
900     gsbyport getservbyport ck_fun @ S S
901     gservent getservent ck_null 0
902     shostent sethostent ck_fun is% S
903     snetent setnetent ck_fun is% S
904     sprotoent setprotoent ck_fun is% S
905     sservent setservent ck_fun is% S
906     ehostent endhostent ck_null is0
907     enetent endnetent ck_null is0
908     eprotoent endprotoent ck_null is0
909     eservent endservent ck_null is0
910     gpwnam getpwnam ck_fun % S
911     gpwuid getpwuid ck_fun % S
912     gpwent getpwent ck_null 0
913     spwent setpwent ck_null is0
914     epwent endpwent ck_null is0
915     ggrnam getgrnam ck_fun % S
916     ggrgid getgrgid ck_fun % S
917     ggrent getgrent ck_null 0
918     sgrent setgrent ck_null is0
919     egrent endgrent ck_null is0
920     getlogin getlogin ck_null st0
921    
922     # Miscellaneous.
923    
924     syscall syscall ck_fun imst@ S L
925    
926     # For multi-threading
927     lock lock ck_rfun s% R
928     threadsv per-thread value ck_null ds0
929    
930     # Control (contd.)
931     setstate set statement info ck_null s;
932     method_named method with known name ck_null d$
933    
934     # Add new ops before this, the custom operator.
935    
936     custom unknown custom operator ck_null 0