424 lines
9.8 KiB
C
424 lines
9.8 KiB
C
/* dump.c
|
|
*
|
|
* Copyright (c) 1991-1999, 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.
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* "'You have talked long in your sleep, Frodo,' said Gandalf gently, 'and
|
|
* it has not been hard for me to read your mind and memory.'"
|
|
*/
|
|
|
|
#include "EXTERN.h"
|
|
#include "perl.h"
|
|
|
|
#ifndef PERL_OBJECT
|
|
static void dump(char *pat, ...);
|
|
#endif /* PERL_OBJECT */
|
|
|
|
void
|
|
dump_all(void)
|
|
{
|
|
#ifdef DEBUGGING
|
|
dTHR;
|
|
PerlIO_setlinebuf(Perl_debug_log);
|
|
if (PL_main_root)
|
|
dump_op(PL_main_root);
|
|
dump_packsubs(PL_defstash);
|
|
#endif /* DEBUGGING */
|
|
}
|
|
|
|
void
|
|
dump_packsubs(HV *stash)
|
|
{
|
|
#ifdef DEBUGGING
|
|
dTHR;
|
|
I32 i;
|
|
HE *entry;
|
|
|
|
if (!HvARRAY(stash))
|
|
return;
|
|
for (i = 0; i <= (I32) HvMAX(stash); i++) {
|
|
for (entry = HvARRAY(stash)[i]; entry; entry = HeNEXT(entry)) {
|
|
GV *gv = (GV*)HeVAL(entry);
|
|
HV *hv;
|
|
if (SvTYPE(gv) != SVt_PVGV || !GvGP(gv))
|
|
continue;
|
|
if (GvCVu(gv))
|
|
dump_sub(gv);
|
|
if (GvFORM(gv))
|
|
dump_form(gv);
|
|
if (HeKEY(entry)[HeKLEN(entry)-1] == ':' &&
|
|
(hv = GvHV(gv)) && HvNAME(hv) && hv != PL_defstash)
|
|
dump_packsubs(hv); /* nested package */
|
|
}
|
|
}
|
|
#endif /* DEBUGGING */
|
|
}
|
|
|
|
void
|
|
dump_sub(GV *gv)
|
|
{
|
|
#ifdef DEBUGGING
|
|
SV *sv = sv_newmortal();
|
|
|
|
gv_fullname3(sv, gv, Nullch);
|
|
dump("\nSUB %s = ", SvPVX(sv));
|
|
if (CvXSUB(GvCV(gv)))
|
|
dump("(xsub 0x%x %d)\n",
|
|
(long)CvXSUB(GvCV(gv)),
|
|
CvXSUBANY(GvCV(gv)).any_i32);
|
|
else if (CvROOT(GvCV(gv)))
|
|
dump_op(CvROOT(GvCV(gv)));
|
|
else
|
|
dump("<undef>\n");
|
|
#endif /* DEBUGGING */
|
|
}
|
|
|
|
void
|
|
dump_form(GV *gv)
|
|
{
|
|
#ifdef DEBUGGING
|
|
SV *sv = sv_newmortal();
|
|
|
|
gv_fullname3(sv, gv, Nullch);
|
|
dump("\nFORMAT %s = ", SvPVX(sv));
|
|
if (CvROOT(GvFORM(gv)))
|
|
dump_op(CvROOT(GvFORM(gv)));
|
|
else
|
|
dump("<undef>\n");
|
|
#endif /* DEBUGGING */
|
|
}
|
|
|
|
void
|
|
dump_eval(void)
|
|
{
|
|
#ifdef DEBUGGING
|
|
dump_op(PL_eval_root);
|
|
#endif /* DEBUGGING */
|
|
}
|
|
|
|
void
|
|
dump_op(OP *o)
|
|
{
|
|
#ifdef DEBUGGING
|
|
dump("{\n");
|
|
if (o->op_seq)
|
|
PerlIO_printf(Perl_debug_log, "%-4d", o->op_seq);
|
|
else
|
|
PerlIO_printf(Perl_debug_log, " ");
|
|
dump("TYPE = %s ===> ", op_name[o->op_type]);
|
|
if (o->op_next) {
|
|
if (o->op_seq)
|
|
PerlIO_printf(Perl_debug_log, "%d\n", o->op_next->op_seq);
|
|
else
|
|
PerlIO_printf(Perl_debug_log, "(%d)\n", o->op_next->op_seq);
|
|
}
|
|
else
|
|
PerlIO_printf(Perl_debug_log, "DONE\n");
|
|
PL_dumplvl++;
|
|
if (o->op_targ) {
|
|
if (o->op_type == OP_NULL)
|
|
dump(" (was %s)\n", op_name[o->op_targ]);
|
|
else
|
|
dump("TARG = %d\n", o->op_targ);
|
|
}
|
|
#ifdef DUMPADDR
|
|
dump("ADDR = 0x%lx => 0x%lx\n",o, o->op_next);
|
|
#endif
|
|
if (o->op_flags) {
|
|
SV *tmpsv = newSVpv("", 0);
|
|
switch (o->op_flags & OPf_WANT) {
|
|
case OPf_WANT_VOID:
|
|
sv_catpv(tmpsv, ",VOID");
|
|
break;
|
|
case OPf_WANT_SCALAR:
|
|
sv_catpv(tmpsv, ",SCALAR");
|
|
break;
|
|
case OPf_WANT_LIST:
|
|
sv_catpv(tmpsv, ",LIST");
|
|
break;
|
|
default:
|
|
sv_catpv(tmpsv, ",UNKNOWN");
|
|
break;
|
|
}
|
|
if (o->op_flags & OPf_KIDS)
|
|
sv_catpv(tmpsv, ",KIDS");
|
|
if (o->op_flags & OPf_PARENS)
|
|
sv_catpv(tmpsv, ",PARENS");
|
|
if (o->op_flags & OPf_STACKED)
|
|
sv_catpv(tmpsv, ",STACKED");
|
|
if (o->op_flags & OPf_REF)
|
|
sv_catpv(tmpsv, ",REF");
|
|
if (o->op_flags & OPf_MOD)
|
|
sv_catpv(tmpsv, ",MOD");
|
|
if (o->op_flags & OPf_SPECIAL)
|
|
sv_catpv(tmpsv, ",SPECIAL");
|
|
dump("FLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX(tmpsv) + 1 : "");
|
|
SvREFCNT_dec(tmpsv);
|
|
}
|
|
if (o->op_private) {
|
|
SV *tmpsv = newSVpv("", 0);
|
|
if (o->op_type == OP_AASSIGN) {
|
|
if (o->op_private & OPpASSIGN_COMMON)
|
|
sv_catpv(tmpsv, ",COMMON");
|
|
}
|
|
else if (o->op_type == OP_SASSIGN) {
|
|
if (o->op_private & OPpASSIGN_BACKWARDS)
|
|
sv_catpv(tmpsv, ",BACKWARDS");
|
|
}
|
|
else if (o->op_type == OP_TRANS) {
|
|
if (o->op_private & OPpTRANS_SQUASH)
|
|
sv_catpv(tmpsv, ",SQUASH");
|
|
if (o->op_private & OPpTRANS_DELETE)
|
|
sv_catpv(tmpsv, ",DELETE");
|
|
if (o->op_private & OPpTRANS_COMPLEMENT)
|
|
sv_catpv(tmpsv, ",COMPLEMENT");
|
|
}
|
|
else if (o->op_type == OP_REPEAT) {
|
|
if (o->op_private & OPpREPEAT_DOLIST)
|
|
sv_catpv(tmpsv, ",DOLIST");
|
|
}
|
|
else if (o->op_type == OP_ENTERSUB ||
|
|
o->op_type == OP_RV2SV ||
|
|
o->op_type == OP_RV2AV ||
|
|
o->op_type == OP_RV2HV ||
|
|
o->op_type == OP_RV2GV ||
|
|
o->op_type == OP_AELEM ||
|
|
o->op_type == OP_HELEM )
|
|
{
|
|
if (o->op_type == OP_ENTERSUB) {
|
|
if (o->op_private & OPpENTERSUB_AMPER)
|
|
sv_catpv(tmpsv, ",AMPER");
|
|
if (o->op_private & OPpENTERSUB_DB)
|
|
sv_catpv(tmpsv, ",DB");
|
|
}
|
|
switch (o->op_private & OPpDEREF) {
|
|
case OPpDEREF_SV:
|
|
sv_catpv(tmpsv, ",SV");
|
|
break;
|
|
case OPpDEREF_AV:
|
|
sv_catpv(tmpsv, ",AV");
|
|
break;
|
|
case OPpDEREF_HV:
|
|
sv_catpv(tmpsv, ",HV");
|
|
break;
|
|
}
|
|
if (o->op_type == OP_AELEM || o->op_type == OP_HELEM) {
|
|
if (o->op_private & OPpLVAL_DEFER)
|
|
sv_catpv(tmpsv, ",LVAL_DEFER");
|
|
}
|
|
else {
|
|
if (o->op_private & HINT_STRICT_REFS)
|
|
sv_catpv(tmpsv, ",STRICT_REFS");
|
|
}
|
|
}
|
|
else if (o->op_type == OP_CONST) {
|
|
if (o->op_private & OPpCONST_BARE)
|
|
sv_catpv(tmpsv, ",BARE");
|
|
}
|
|
else if (o->op_type == OP_FLIP) {
|
|
if (o->op_private & OPpFLIP_LINENUM)
|
|
sv_catpv(tmpsv, ",LINENUM");
|
|
}
|
|
else if (o->op_type == OP_FLOP) {
|
|
if (o->op_private & OPpFLIP_LINENUM)
|
|
sv_catpv(tmpsv, ",LINENUM");
|
|
}
|
|
if (o->op_flags & OPf_MOD && o->op_private & OPpLVAL_INTRO)
|
|
sv_catpv(tmpsv, ",INTRO");
|
|
if (SvCUR(tmpsv))
|
|
dump("PRIVATE = (%s)\n", SvPVX(tmpsv) + 1);
|
|
SvREFCNT_dec(tmpsv);
|
|
}
|
|
|
|
switch (o->op_type) {
|
|
case OP_GVSV:
|
|
case OP_GV:
|
|
if (cGVOPo->op_gv) {
|
|
STRLEN n_a;
|
|
SV *tmpsv = NEWSV(0,0);
|
|
ENTER;
|
|
SAVEFREESV(tmpsv);
|
|
gv_fullname3(tmpsv, cGVOPo->op_gv, Nullch);
|
|
dump("GV = %s\n", SvPV(tmpsv, n_a));
|
|
LEAVE;
|
|
}
|
|
else
|
|
dump("GV = NULL\n");
|
|
break;
|
|
case OP_CONST:
|
|
dump("SV = %s\n", SvPEEK(cSVOPo->op_sv));
|
|
break;
|
|
case OP_NEXTSTATE:
|
|
case OP_DBSTATE:
|
|
if (cCOPo->cop_line)
|
|
dump("LINE = %d\n",cCOPo->cop_line);
|
|
if (cCOPo->cop_label)
|
|
dump("LABEL = \"%s\"\n",cCOPo->cop_label);
|
|
break;
|
|
case OP_ENTERLOOP:
|
|
dump("REDO ===> ");
|
|
if (cLOOPo->op_redoop)
|
|
PerlIO_printf(Perl_debug_log, "%d\n", cLOOPo->op_redoop->op_seq);
|
|
else
|
|
PerlIO_printf(Perl_debug_log, "DONE\n");
|
|
dump("NEXT ===> ");
|
|
if (cLOOPo->op_nextop)
|
|
PerlIO_printf(Perl_debug_log, "%d\n", cLOOPo->op_nextop->op_seq);
|
|
else
|
|
PerlIO_printf(Perl_debug_log, "DONE\n");
|
|
dump("LAST ===> ");
|
|
if (cLOOPo->op_lastop)
|
|
PerlIO_printf(Perl_debug_log, "%d\n", cLOOPo->op_lastop->op_seq);
|
|
else
|
|
PerlIO_printf(Perl_debug_log, "DONE\n");
|
|
break;
|
|
case OP_COND_EXPR:
|
|
dump("TRUE ===> ");
|
|
if (cCONDOPo->op_true)
|
|
PerlIO_printf(Perl_debug_log, "%d\n", cCONDOPo->op_true->op_seq);
|
|
else
|
|
PerlIO_printf(Perl_debug_log, "DONE\n");
|
|
dump("FALSE ===> ");
|
|
if (cCONDOPo->op_false)
|
|
PerlIO_printf(Perl_debug_log, "%d\n", cCONDOPo->op_false->op_seq);
|
|
else
|
|
PerlIO_printf(Perl_debug_log, "DONE\n");
|
|
break;
|
|
case OP_MAPWHILE:
|
|
case OP_GREPWHILE:
|
|
case OP_OR:
|
|
case OP_AND:
|
|
dump("OTHER ===> ");
|
|
if (cLOGOPo->op_other)
|
|
PerlIO_printf(Perl_debug_log, "%d\n", cLOGOPo->op_other->op_seq);
|
|
else
|
|
PerlIO_printf(Perl_debug_log, "DONE\n");
|
|
break;
|
|
case OP_PUSHRE:
|
|
case OP_MATCH:
|
|
case OP_QR:
|
|
case OP_SUBST:
|
|
dump_pm(cPMOPo);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (o->op_flags & OPf_KIDS) {
|
|
OP *kid;
|
|
for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling)
|
|
dump_op(kid);
|
|
}
|
|
PL_dumplvl--;
|
|
dump("}\n");
|
|
#endif /* DEBUGGING */
|
|
}
|
|
|
|
void
|
|
dump_gv(GV *gv)
|
|
{
|
|
#ifdef DEBUGGING
|
|
SV *sv;
|
|
|
|
if (!gv) {
|
|
PerlIO_printf(Perl_debug_log, "{}\n");
|
|
return;
|
|
}
|
|
sv = sv_newmortal();
|
|
PL_dumplvl++;
|
|
PerlIO_printf(Perl_debug_log, "{\n");
|
|
gv_fullname3(sv, gv, Nullch);
|
|
dump("GV_NAME = %s", SvPVX(sv));
|
|
if (gv != GvEGV(gv)) {
|
|
gv_efullname3(sv, GvEGV(gv), Nullch);
|
|
dump("-> %s", SvPVX(sv));
|
|
}
|
|
dump("\n");
|
|
PL_dumplvl--;
|
|
dump("}\n");
|
|
#endif /* DEBUGGING */
|
|
}
|
|
|
|
void
|
|
dump_pm(PMOP *pm)
|
|
{
|
|
#ifdef DEBUGGING
|
|
char ch;
|
|
|
|
if (!pm) {
|
|
dump("{}\n");
|
|
return;
|
|
}
|
|
dump("{\n");
|
|
PL_dumplvl++;
|
|
if (pm->op_pmflags & PMf_ONCE)
|
|
ch = '?';
|
|
else
|
|
ch = '/';
|
|
if (pm->op_pmregexp)
|
|
dump("PMf_PRE %c%s%c%s\n",
|
|
ch, pm->op_pmregexp->precomp, ch,
|
|
(pm->op_private & OPpRUNTIME) ? " (RUNTIME)" : "");
|
|
else
|
|
dump("PMf_PRE (RUNTIME)\n");
|
|
if (pm->op_type != OP_PUSHRE && pm->op_pmreplroot) {
|
|
dump("PMf_REPL = ");
|
|
dump_op(pm->op_pmreplroot);
|
|
}
|
|
if (pm->op_pmflags || (pm->op_pmregexp && pm->op_pmregexp->check_substr)) {
|
|
SV *tmpsv = newSVpv("", 0);
|
|
if (pm->op_pmdynflags & PMdf_USED)
|
|
sv_catpv(tmpsv, ",USED");
|
|
if (pm->op_pmdynflags & PMdf_TAINTED)
|
|
sv_catpv(tmpsv, ",TAINTED");
|
|
if (pm->op_pmflags & PMf_ONCE)
|
|
sv_catpv(tmpsv, ",ONCE");
|
|
if (pm->op_pmregexp && pm->op_pmregexp->check_substr
|
|
&& !(pm->op_pmregexp->reganch & ROPT_NOSCAN))
|
|
sv_catpv(tmpsv, ",SCANFIRST");
|
|
if (pm->op_pmregexp && pm->op_pmregexp->check_substr
|
|
&& pm->op_pmregexp->reganch & ROPT_CHECK_ALL)
|
|
sv_catpv(tmpsv, ",ALL");
|
|
if (pm->op_pmflags & PMf_SKIPWHITE)
|
|
sv_catpv(tmpsv, ",SKIPWHITE");
|
|
if (pm->op_pmflags & PMf_CONST)
|
|
sv_catpv(tmpsv, ",CONST");
|
|
if (pm->op_pmflags & PMf_KEEP)
|
|
sv_catpv(tmpsv, ",KEEP");
|
|
if (pm->op_pmflags & PMf_GLOBAL)
|
|
sv_catpv(tmpsv, ",GLOBAL");
|
|
if (pm->op_pmflags & PMf_CONTINUE)
|
|
sv_catpv(tmpsv, ",CONTINUE");
|
|
if (pm->op_pmflags & PMf_RETAINT)
|
|
sv_catpv(tmpsv, ",RETAINT");
|
|
if (pm->op_pmflags & PMf_EVAL)
|
|
sv_catpv(tmpsv, ",EVAL");
|
|
dump("PMFLAGS = (%s)\n", SvCUR(tmpsv) ? SvPVX(tmpsv) + 1 : "");
|
|
SvREFCNT_dec(tmpsv);
|
|
}
|
|
|
|
PL_dumplvl--;
|
|
dump("}\n");
|
|
#endif /* DEBUGGING */
|
|
}
|
|
|
|
|
|
STATIC void
|
|
dump(char *pat,...)
|
|
{
|
|
#ifdef DEBUGGING
|
|
I32 i;
|
|
va_list args;
|
|
|
|
va_start(args, pat);
|
|
for (i = PL_dumplvl*4; i; i--)
|
|
(void)PerlIO_putc(Perl_debug_log,' ');
|
|
PerlIO_vprintf(Perl_debug_log,pat,args);
|
|
va_end(args);
|
|
#endif /* DEBUGGING */
|
|
}
|