X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/b195d4879f55e1610299cb9b1b55356940c2a577..93c66552381f5726d35a1d67d4843cb3a259eb63:/dump.c?ds=sidebyside

diff --git a/dump.c b/dump.c
index 3881003..03d731d 100644
--- a/dump.c
+++ b/dump.c
@@ -1,6 +1,6 @@
 /*    dump.c
  *
- *    Copyright (c) 1991-1999, Larry Wall
+ *    Copyright (c) 1991-2001, 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.
@@ -29,15 +29,13 @@ Perl_dump_indent(pTHX_ I32 level, PerlIO *file, const char* pat, ...)
 void
 Perl_dump_vindent(pTHX_ I32 level, PerlIO *file, const char* pat, va_list *args)
 {
-    dTHR;
-    PerlIO_printf(file, "%*s", level*PL_dumpindent, "");
+    PerlIO_printf(file, "%*s", (int)(level*PL_dumpindent), "");
     PerlIO_vprintf(file, pat, *args);
 }
 
 void
 Perl_dump_all(pTHX)
 {
-    dTHR;
     PerlIO_setlinebuf(Perl_debug_log);
     if (PL_main_root)
 	op_dump(PL_main_root);
@@ -47,7 +45,6 @@ Perl_dump_all(pTHX)
 void
 Perl_dump_packsubs(pTHX_ HV *stash)
 {
-    dTHR;
     I32	i;
     HE	*entry;
 
@@ -78,9 +75,9 @@ Perl_dump_sub(pTHX_ GV *gv)
     gv_fullname3(sv, gv, Nullch);
     Perl_dump_indent(aTHX_ 0, Perl_debug_log, "\nSUB %s = ", SvPVX(sv));
     if (CvXSUB(GvCV(gv)))
-	Perl_dump_indent(aTHX_ 0, Perl_debug_log, "(xsub 0x%x %d)\n",
+	Perl_dump_indent(aTHX_ 0, Perl_debug_log, "(xsub 0x%lx %d)\n",
 	    (long)CvXSUB(GvCV(gv)),
-	    CvXSUBANY(GvCV(gv)).any_i32);
+	    (int)CvXSUBANY(GvCV(gv)).any_i32);
     else if (CvROOT(GvCV(gv)))
 	op_dump(CvROOT(GvCV(gv)));
     else
@@ -131,9 +128,9 @@ Perl_pv_display(pTHX_ SV *sv, char *pv, STRLEN cur, STRLEN len, STRLEN pvlim)
         }
 	else {
 	    if (cur && isDIGIT(*(pv+1)))
-		Perl_sv_catpvf(aTHX_ sv, "\\%03o", *pv);
+		Perl_sv_catpvf(aTHX_ sv, "\\%03o", (U8)*pv);
 	    else
-		Perl_sv_catpvf(aTHX_ sv, "\\%o", *pv);
+		Perl_sv_catpvf(aTHX_ sv, "\\%o", (U8)*pv);
         }
     }
     sv_catpvn(sv, "\"", 1);
@@ -197,6 +194,11 @@ Perl_sv_peek(pTHX_ SV *sv)
 	sv_catpv(t, "(");
 	unref++;
     }
+    else if (DEBUG_R_TEST && SvREFCNT(sv) > 1) {
+	Perl_sv_catpvf(aTHX_ t, "<%"UVuf">", (UV)SvREFCNT(sv));
+    }
+
+
     if (SvROK(sv)) {
 	sv_catpv(t, "\\");
 	if (SvCUR(t) + unref > 10) {
@@ -275,13 +277,15 @@ Perl_sv_peek(pTHX_ SV *sv)
 	    if (SvOOK(sv))
 		Perl_sv_catpvf(aTHX_ t, "[%s]", pv_display(tmp, SvPVX(sv)-SvIVX(sv), SvIVX(sv), 0, 127));
 	    Perl_sv_catpvf(aTHX_ t, "%s)", pv_display(tmp, SvPVX(sv), SvCUR(sv), SvLEN(sv), 127));
+	    if (SvUTF8(sv))
+		Perl_sv_catpvf(aTHX_ t, " [UTF8]");
 	    SvREFCNT_dec(tmp);
 	}
     }
     else if (SvNOKp(sv)) {
- 	RESTORE_NUMERIC_STANDARD();
+	STORE_NUMERIC_LOCAL_SET_STANDARD();
 	Perl_sv_catpvf(aTHX_ t, "(%g)",SvNVX(sv));
- 	RESTORE_NUMERIC_LOCAL();
+	RESTORE_NUMERIC_LOCAL();
     }
     else if (SvIOKp(sv)) {
 	if (SvIsUV(sv))
@@ -291,7 +295,7 @@ Perl_sv_peek(pTHX_ SV *sv)
     }
     else
 	sv_catpv(t, "()");
-    
+
   finish:
     if (unref) {
 	while (unref--)
@@ -369,15 +373,15 @@ Perl_pmop_dump(pTHX_ PMOP *pm)
 void
 Perl_do_op_dump(pTHX_ I32 level, PerlIO *file, OP *o)
 {
-    dTHR;
-    STRLEN n_a;
     Perl_dump_indent(aTHX_ level, file, "{\n");
     level++;
     if (o->op_seq)
 	PerlIO_printf(file, "%-4d", o->op_seq);
     else
 	PerlIO_printf(file, "    ");
-    PerlIO_printf(file, "%*sTYPE = %s  ===> ", PL_dumpindent*level-4, "", PL_op_name[o->op_type]);
+    PerlIO_printf(file,
+		  "%*sTYPE = %s  ===> ",
+		  (int)(PL_dumpindent*level-4), "", PL_op_name[o->op_type]);
     if (o->op_next) {
 	if (o->op_seq)
 	    PerlIO_printf(file, "%d\n", o->op_next->op_seq);
@@ -390,7 +394,7 @@ Perl_do_op_dump(pTHX_ I32 level, PerlIO *file, OP *o)
 	if (o->op_type == OP_NULL)
 	    Perl_dump_indent(aTHX_ level, file, "  (was %s)\n", PL_op_name[o->op_targ]);
 	else
-	    Perl_dump_indent(aTHX_ level, file, "TARG = %d\n", o->op_targ);
+	    Perl_dump_indent(aTHX_ level, file, "TARG = %ld\n", (long)o->op_targ);
     }
 #ifdef DUMPADDR
     Perl_dump_indent(aTHX_ level, file, "ADDR = 0x%"UVxf" => 0x%"UVxf"\n", (UV)o, (UV)o->op_next);
@@ -428,9 +432,15 @@ Perl_do_op_dump(pTHX_ I32 level, PerlIO *file, OP *o)
     }
     if (o->op_private) {
 	SV *tmpsv = newSVpvn("", 0);
+	if (PL_opargs[o->op_type] & OA_TARGLEX) {
+	    if (o->op_private & OPpTARGET_MY)
+		sv_catpv(tmpsv, ",TARGET_MY");
+	}
 	if (o->op_type == OP_AASSIGN) {
 	    if (o->op_private & OPpASSIGN_COMMON)
 		sv_catpv(tmpsv, ",COMMON");
+	    if (o->op_private & OPpASSIGN_HASH)
+		sv_catpv(tmpsv, ",HASH");
 	}
 	else if (o->op_type == OP_SASSIGN) {
 	    if (o->op_private & OPpASSIGN_BACKWARDS)
@@ -450,6 +460,7 @@ Perl_do_op_dump(pTHX_ I32 level, PerlIO *file, OP *o)
 	}
 	else if (o->op_type == OP_ENTERSUB ||
 		 o->op_type == OP_RV2SV ||
+		 o->op_type == OP_GVSV ||
 		 o->op_type == OP_RV2AV ||
 		 o->op_type == OP_RV2HV ||
 		 o->op_type == OP_RV2GV ||
@@ -464,7 +475,7 @@ Perl_do_op_dump(pTHX_ I32 level, PerlIO *file, OP *o)
 		if (o->op_private & OPpENTERSUB_HASTARG)
 		    sv_catpv(tmpsv, ",HASTARG");
 	    }
-	    else 
+	    else
 		switch (o->op_private & OPpDEREF) {
 	    case OPpDEREF_SV:
 		sv_catpv(tmpsv, ",SV");
@@ -483,6 +494,8 @@ Perl_do_op_dump(pTHX_ I32 level, PerlIO *file, OP *o)
 	    else {
 		if (o->op_private & HINT_STRICT_REFS)
 		    sv_catpv(tmpsv, ",STRICT_REFS");
+		if (o->op_private & OPpOUR_INTRO)
+		    sv_catpv(tmpsv, ",OUR_INTRO");
 	    }
 	}
 	else if (o->op_type == OP_CONST) {
@@ -510,10 +523,15 @@ Perl_do_op_dump(pTHX_ I32 level, PerlIO *file, OP *o)
     }
 
     switch (o->op_type) {
+    case OP_AELEMFAST:
     case OP_GVSV:
     case OP_GV:
+#ifdef USE_ITHREADS
+	Perl_dump_indent(aTHX_ level, file, "PADIX = %d\n", cPADOPo->op_padix);
+#else
 	if (cSVOPo->op_sv) {
 	    SV *tmpsv = NEWSV(0,0);
+	    STRLEN n_a;
 	    ENTER;
 	    SAVEFREESV(tmpsv);
 	    gv_fullname3(tmpsv, (GV*)cSVOPo->op_sv, Nullch);
@@ -522,6 +540,7 @@ Perl_do_op_dump(pTHX_ I32 level, PerlIO *file, OP *o)
 	}
 	else
 	    Perl_dump_indent(aTHX_ level, file, "GV = NULL\n");
+#endif
 	break;
     case OP_CONST:
     case OP_METHOD_NAMED:
@@ -530,10 +549,14 @@ Perl_do_op_dump(pTHX_ I32 level, PerlIO *file, OP *o)
     case OP_SETSTATE:
     case OP_NEXTSTATE:
     case OP_DBSTATE:
-	if (cCOPo->cop_line)
-	    Perl_dump_indent(aTHX_ level, file, "LINE = %d\n",cCOPo->cop_line);
+	if (CopLINE(cCOPo))
+	    Perl_dump_indent(aTHX_ level, file, "LINE = %d\n",CopLINE(cCOPo));
+	if (CopSTASHPV(cCOPo))
+	    Perl_dump_indent(aTHX_ level, file, "PACKAGE = \"%s\"\n",
+			     CopSTASHPV(cCOPo));
 	if (cCOPo->cop_label)
-	    Perl_dump_indent(aTHX_ level, file, "LABEL = \"%s\"\n",cCOPo->cop_label);
+	    Perl_dump_indent(aTHX_ level, file, "LABEL = \"%s\"\n",
+			     cCOPo->cop_label);
 	break;
     case OP_ENTERLOOP:
 	Perl_dump_indent(aTHX_ level, file, "REDO ===> ");
@@ -686,7 +709,7 @@ Perl_do_magic_dump(pTHX_ I32 level, PerlIO *file, MAGIC *mg, I32 nest, I32 maxne
 		do_sv_dump(level+2, file, mg->mg_obj, nest+1, maxnest, dumpops, pvlim); /* MG is already +1 */
 	}
         if (mg->mg_len)
-	    Perl_dump_indent(aTHX_ level, file, "    MG_LEN = %d\n", mg->mg_len);
+	    Perl_dump_indent(aTHX_ level, file, "    MG_LEN = %ld\n", (long)mg->mg_len);
         if (mg->mg_ptr) {
 	    Perl_dump_indent(aTHX_ level, file, "    MG_PTR = 0x%"UVxf, PTR2UV(mg->mg_ptr));
 	    if (mg->mg_len >= 0) {
@@ -749,8 +772,7 @@ Perl_do_gvgv_dump(pTHX_ I32 level, PerlIO *file, char *name, GV *sv)
 void
 Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bool dumpops, STRLEN pvlim)
 {
-    dTHR;
-    SV *d = sv_newmortal();
+    SV *d;
     char *s;
     U32 flags;
     U32 type;
@@ -760,15 +782,15 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
 	Perl_dump_indent(aTHX_ level, file, "SV = 0\n");
 	return;
     }
-    
+
     flags = SvFLAGS(sv);
     type = SvTYPE(sv);
 
-    Perl_sv_setpvf(aTHX_ d,
+    d = Perl_newSVpvf(aTHX_
 		   "(0x%"UVxf") at 0x%"UVxf"\n%*s  REFCNT = %"IVdf"\n%*s  FLAGS = (",
 		   PTR2UV(SvANY(sv)), PTR2UV(sv),
-		   PL_dumpindent*level, "", (IV)SvREFCNT(sv),
-		   PL_dumpindent*level, "");
+		   (int)(PL_dumpindent*level), "", (IV)SvREFCNT(sv),
+		   (int)(PL_dumpindent*level), "");
 
     if (flags & SVs_PADBUSY)	sv_catpv(d, "PADBUSY,");
     if (flags & SVs_PADTMP)	sv_catpv(d, "PADTMP,");
@@ -803,8 +825,11 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
 	if (CvUNIQUE(sv))	sv_catpv(d, "UNIQUE,");
 	if (CvCLONE(sv))	sv_catpv(d, "CLONE,");
 	if (CvCLONED(sv))	sv_catpv(d, "CLONED,");
+	if (CvCONST(sv))	sv_catpv(d, "CONST,");
 	if (CvNODEBUG(sv))	sv_catpv(d, "NODEBUG,");
 	if (SvCOMPILED(sv))	sv_catpv(d, "COMPILED,");
+	if (CvLVALUE(sv))	sv_catpv(d, "LVALUE,");
+	if (CvMETHOD(sv))	sv_catpv(d, "METHOD,");
 	break;
     case SVt_PVHV:
 	if (HvSHAREKEYS(sv))	sv_catpv(d, "SHAREKEYS,");
@@ -813,7 +838,9 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
     case SVt_PVGV:
 	if (GvINTRO(sv))	sv_catpv(d, "INTRO,");
 	if (GvMULTI(sv))	sv_catpv(d, "MULTI,");
+	if (GvSHARED(sv))       sv_catpv(d, "SHARED,");
 	if (GvASSUMECV(sv))	sv_catpv(d, "ASSUMECV,");
+	if (GvIN_PAD(sv))       sv_catpv(d, "IN_PAD,");
 	if (GvIMPORTED(sv)) {
 	    sv_catpv(d, "IMPORT");
 	    if (GvIMPORTED(sv) == GVf_IMPORTED)
@@ -831,6 +858,7 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
     default:
 	if (SvEVALED(sv))	sv_catpv(d, "EVALED,");
 	if (SvIsUV(sv))		sv_catpv(d, "IsUV,");
+	if (SvUTF8(sv))         sv_catpv(d, "UTF8");
 	break;
     case SVt_PVBM:
 	if (SvTAIL(sv))		sv_catpv(d, "TAIL,");
@@ -847,6 +875,7 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
     switch (type) {
     case SVt_NULL:
 	PerlIO_printf(file, "NULL%s\n", s);
+	SvREFCNT_dec(d);
 	return;
     case SVt_IV:
 	PerlIO_printf(file, "IV%s\n", s);
@@ -894,7 +923,8 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
 	PerlIO_printf(file, "PVIO%s\n", s);
 	break;
     default:
-	PerlIO_printf(file, "UNKNOWN(0x%x) %s\n", type, s);
+	PerlIO_printf(file, "UNKNOWN(0x%"UVxf") %s\n", (UV)type, s);
+	SvREFCNT_dec(d);
 	return;
     }
     if (type >= SVt_PVIV || type == SVt_IV) {
@@ -907,7 +937,7 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
 	PerlIO_putc(file, '\n');
     }
     if (type >= SVt_PVNV || type == SVt_NV) {
-	RESTORE_NUMERIC_STANDARD();
+	STORE_NUMERIC_LOCAL_SET_STANDARD();
 	/* %Vg doesn't work? --jhi */
 #ifdef USE_LONG_DOUBLE
 	Perl_dump_indent(aTHX_ level, file, "  NV = %.*" PERL_PRIgldbl "\n", LDBL_DIG, SvNVX(sv));
@@ -920,10 +950,13 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
 	Perl_dump_indent(aTHX_ level, file, "  RV = 0x%"UVxf"\n", PTR2UV(SvRV(sv)));
 	if (nest < maxnest)
 	    do_sv_dump(level+1, file, SvRV(sv), nest+1, maxnest, dumpops, pvlim);
+	SvREFCNT_dec(d);
 	return;
     }
-    if (type < SVt_PV)
+    if (type < SVt_PV) {
+	SvREFCNT_dec(d);
 	return;
+    }
     if (type <= SVt_PVLV) {
 	if (SvPVX(sv)) {
 	    Perl_dump_indent(aTHX_ level, file,"  PV = 0x%"UVxf" ", PTR2UV(SvPVX(sv)));
@@ -974,7 +1007,7 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
 		SV** elt = av_fetch((AV*)sv,count,0);
 
 		Perl_dump_indent(aTHX_ level + 1, file, "Elt No. %"IVdf"\n", (IV)count);
-		if (elt) 
+		if (elt)
 		    do_sv_dump(level+1, file, *elt, nest+1, maxnest, dumpops, pvlim);
 	    }
 	}
@@ -1012,17 +1045,26 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
 		}
             }
 	    PerlIO_putc(file, ')');
-	    /* Now calculate quality wrt theoretical value */
+	    /* The "quality" of a hash is defined as the total number of
+	       comparisons needed to access every element once, relative
+	       to the expected number needed for a random hash.
+
+	       The total number of comparisons is equal to the sum of
+	       the squares of the number of entries in each backet.
+	       For a random hash of n keys into k backets, the expected
+	       value is
+				n + n(n-1)/2k
+	    */
+
 	    for (i = max; i > 0; i--) { /* Precision: count down. */
 		sum += freq[i] * i * i;
             }
-	    while (keys = keys >> 1)
+	    while ((keys = keys >> 1))
 		pow2 = pow2 << 1;
-	    /* Approximate by Poisson distribution */
 	    theoret = HvKEYS(sv);
-	    theoret += theoret * theoret/pow2;
+	    theoret += theoret * (theoret-1)/pow2;
 	    PerlIO_putc(file, '\n');
-	    Perl_dump_indent(aTHX_ level, file, "  hash quality = %.1f%%", theoret/sum*100);
+	    Perl_dump_indent(aTHX_ level, file, "  hash quality = %.1"NVff"%%", theoret/sum*100);
 	}
 	PerlIO_putc(file, '\n');
 	Perl_dump_indent(aTHX_ level, file, "  KEYS = %"IVdf"\n", (IV)HvKEYS(sv));
@@ -1068,12 +1110,13 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
 	Perl_dump_indent(aTHX_ level, file, "  XSUB = 0x%"UVxf"\n", PTR2UV(CvXSUB(sv)));
 	Perl_dump_indent(aTHX_ level, file, "  XSUBANY = %"IVdf"\n", (IV)CvXSUBANY(sv).any_i32);
  	do_gvgv_dump(level, file, "  GVGV::GV", CvGV(sv));
+	Perl_dump_indent(aTHX_ level, file, "  FILE = \"%s\"\n", CvFILE(sv));
 	Perl_dump_indent(aTHX_ level, file, "  DEPTH = %"IVdf"\n", (IV)CvDEPTH(sv));
 #ifdef USE_THREADS
 	Perl_dump_indent(aTHX_ level, file, "  MUTEXP = 0x%"UVxf"\n", PTR2UV(CvMUTEXP(sv)));
 	Perl_dump_indent(aTHX_ level, file, "  OWNER = 0x%"UVxf"\n",  PTR2UV(CvOWNER(sv)));
 #endif /* USE_THREADS */
-	Perl_dump_indent(aTHX_ level, file, "  FLAGS = 0x%"UVxf"\n", CvFLAGS(sv));
+	Perl_dump_indent(aTHX_ level, file, "  FLAGS = 0x%"UVxf"\n", (UV)CvFLAGS(sv));
 	if (type == SVt_PVFM)
 	    Perl_dump_indent(aTHX_ level, file, "  LINES = %"IVdf"\n", (IV)FmLINES(sv));
 	Perl_dump_indent(aTHX_ level, file, "  PADLIST = 0x%"UVxf"\n", PTR2UV(CvPADLIST(sv)));
@@ -1089,9 +1132,9 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
 		if (SvPOK(pname[ix]))
 		    Perl_dump_indent(aTHX_ level,
 				/* %5d below is enough whitespace. */
-				file, 
+				file,
 				"%5d. 0x%"UVxf" (%s\"%s\" %"IVdf"-%"IVdf")\n",
-				ix, PTR2UV(ppad[ix]),
+				(int)ix, PTR2UV(ppad[ix]),
 				SvFAKE(pname[ix]) ? "FAKE " : "",
 				SvPVX(pname[ix]),
 				(IV)SvNVX(pname[ix]),
@@ -1100,7 +1143,7 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
 	}
 	{
 	    CV *outside = CvOUTSIDE(sv);
-	    Perl_dump_indent(aTHX_ level, file, "  OUTSIDE = 0x%"UVxf" (%s)\n", 
+	    Perl_dump_indent(aTHX_ level, file, "  OUTSIDE = 0x%"UVxf" (%s)\n",
 			PTR2UV(outside),
 			(!outside ? "null"
 			 : CvANON(outside) ? "ANON"
@@ -1116,6 +1159,8 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
 	Perl_dump_indent(aTHX_ level, file, "  NAMELEN = %"IVdf"\n", (IV)GvNAMELEN(sv));
 	do_hv_dump (level, file, "  GvSTASH", GvSTASH(sv));
 	Perl_dump_indent(aTHX_ level, file, "  GP = 0x%"UVxf"\n", PTR2UV(GvGP(sv)));
+	if (!GvGP(sv))
+	    break;
 	Perl_dump_indent(aTHX_ level, file, "    SV = 0x%"UVxf"\n", PTR2UV(GvSV(sv)));
 	Perl_dump_indent(aTHX_ level, file, "    REFCNT = %"IVdf"\n", (IV)GvREFCNT(sv));
 	Perl_dump_indent(aTHX_ level, file, "    IO = 0x%"UVxf"\n", PTR2UV(GvIOp(sv)));
@@ -1155,6 +1200,7 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
 	Perl_dump_indent(aTHX_ level, file, "  FLAGS = 0x%"UVxf"\n", (UV)IoFLAGS(sv));
 	break;
     }
+    SvREFCNT_dec(d);
 }
 
 void