runtime runops switch

Message-ID: <20011116004809.A934@math.ohio-state.edu>

p4raw-id: //depot/perl@13044

1 files changed, 121 insertions, 1 deletions

diff --git a/dump.c b/dump.c
index 0d87fab069..0ac6b0ce1d 100644
--- a/dump.c
+++ b/dump.c
@@ -223,7 +223,7 @@ Perl_sv_peek(pTHX_ SV *sv)
 	sv_catpv(t, "(");
 	unref++;
     }
-    else if (DEBUG_R_TEST && SvREFCNT(sv) > 1) {
+    else if (DEBUG_R_TEST_ && SvREFCNT(sv) > 1) {
 	Perl_sv_catpvf(aTHX_ t, "<%"UVuf">", (UV)SvREFCNT(sv));
     }
 
@@ -1392,3 +1392,123 @@ Perl_sv_dump(pTHX_ SV *sv)
 {
     do_sv_dump(0, Perl_debug_log, sv, 0, 0, 0, 0);
 }
+
+int
+Perl_runops_debug(pTHX)
+{
+    if (!PL_op) {
+	if (ckWARN_d(WARN_DEBUGGING))
+	    Perl_warner(aTHX_ WARN_DEBUGGING, "NULL OP IN RUN");
+	return 0;
+    }
+
+    do {
+	PERL_ASYNC_CHECK();
+	if (PL_debug) {
+	    if (PL_watchaddr != 0 && *PL_watchaddr != PL_watchok)
+		PerlIO_printf(Perl_debug_log,
+			      "WARNING: %"UVxf" changed from %"UVxf" to %"UVxf"\n",
+			      PTR2UV(PL_watchaddr), PTR2UV(PL_watchok),
+			      PTR2UV(*PL_watchaddr));
+	    if (DEBUG_p_TEST_) debstack();
+	    if (DEBUG_t_TEST_) debop(PL_op);
+	    if (DEBUG_P_TEST_) debprof(PL_op);
+	}
+    } while ((PL_op = CALL_FPTR(PL_op->op_ppaddr)(aTHX)));
+
+    TAINT_NOT;
+    return 0;
+}
+
+I32
+Perl_debop(pTHX_ OP *o)
+{
+    AV *padlist, *comppad;
+    CV *cv;
+    SV *sv;
+    STRLEN n_a;
+    Perl_deb(aTHX_ "%s", OP_NAME(o));
+    switch (o->op_type) {
+    case OP_CONST:
+	PerlIO_printf(Perl_debug_log, "(%s)", SvPEEK(cSVOPo_sv));
+	break;
+    case OP_GVSV:
+    case OP_GV:
+	if (cGVOPo_gv) {
+	    sv = NEWSV(0,0);
+	    gv_fullname3(sv, cGVOPo_gv, Nullch);
+	    PerlIO_printf(Perl_debug_log, "(%s)", SvPV(sv, n_a));
+	    SvREFCNT_dec(sv);
+	}
+	else
+	    PerlIO_printf(Perl_debug_log, "(NULL)");
+	break;
+    case OP_PADSV:
+    case OP_PADAV:
+    case OP_PADHV:
+	/* print the lexical's name */
+        cv = deb_curcv(cxstack_ix);
+        if (cv) {
+            padlist = CvPADLIST(cv);
+            comppad = (AV*)(*av_fetch(padlist, 0, FALSE));
+            sv = *av_fetch(comppad, o->op_targ, FALSE);
+        } else
+            sv = Nullsv;
+        if (sv)
+           PerlIO_printf(Perl_debug_log, "(%s)", SvPV_nolen(sv));
+        else
+           PerlIO_printf(Perl_debug_log, "[%"UVuf"]", (UV)o->op_targ);
+        break;
+    default:
+	break;
+    }
+    PerlIO_printf(Perl_debug_log, "\n");
+    return 0;
+}
+
+STATIC CV*
+S_deb_curcv(pTHX_ I32 ix)
+{
+    PERL_CONTEXT *cx = &cxstack[ix];
+    if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT)
+        return cx->blk_sub.cv;
+    else if (CxTYPE(cx) == CXt_EVAL && !CxTRYBLOCK(cx))
+        return PL_compcv;
+    else if (ix == 0 && PL_curstackinfo->si_type == PERLSI_MAIN)
+        return PL_main_cv;
+    else if (ix <= 0)
+        return Nullcv;
+    else
+        return deb_curcv(ix - 1);
+}
+
+void
+Perl_watch(pTHX_ char **addr)
+{
+    PL_watchaddr = addr;
+    PL_watchok = *addr;
+    PerlIO_printf(Perl_debug_log, "WATCHING, %"UVxf" is currently %"UVxf"\n",
+	PTR2UV(PL_watchaddr), PTR2UV(PL_watchok));
+}
+
+STATIC void
+S_debprof(pTHX_ OP *o)
+{
+    if (!PL_profiledata)
+	Newz(000, PL_profiledata, MAXO, U32);
+    ++PL_profiledata[o->op_type];
+}
+
+void
+Perl_debprofdump(pTHX)
+{
+    unsigned i;
+    if (!PL_profiledata)
+	return;
+    for (i = 0; i < MAXO; i++) {
+	if (PL_profiledata[i])
+	    PerlIO_printf(Perl_debug_log,
+			  "%5lu %s\n", (unsigned long)PL_profiledata[i],
+                                       PL_op_name[i]);
+    }
+}