From 79072805bf63abe5b5978b5928ab00d360ea3e7f Mon Sep 17 00:00:00 2001
From: Larry Wall <lwall@netlabs.com>
Date: Thu, 7 Oct 1993 23:00:00 +0000
Subject: perl 5.0 alpha 2

[editor's note: from history.perl.org.  The sparc executables
originally included in the distribution are not in this commit.]
---
 deb.c | 116 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 deb.c

(limited to 'deb.c')

diff --git a/deb.c b/deb.c
new file mode 100644
index 0000000000..2f5124c2cd
--- /dev/null
+++ b/deb.c
@@ -0,0 +1,116 @@
+/* $RCSfile: op.c,v $$Revision: 4.1 $$Date: 92/08/07 17:19:16 $
+ *
+ *    Copyright (c) 1991, 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.
+ *
+ * $Log:	op.c,v $
+ * Revision 4.1  92/08/07  17:19:16  lwall
+ * Stage 6 Snapshot
+ * 
+ * Revision 4.0.1.5  92/06/08  12:00:39  lwall
+ * patch20: the switch optimizer didn't do anything in subroutines
+ * patch20: removed implicit int declarations on funcions
+ * 
+ * Revision 4.0.1.4  91/11/11  16:29:33  lwall
+ * patch19: do {$foo ne "bar";} returned wrong value
+ * patch19: some earlier patches weren't propagated to alternate 286 code
+ * 
+ * Revision 4.0.1.3  91/11/05  16:07:43  lwall
+ * patch11: random cleanup
+ * patch11: "foo\0" eq "foo" was sometimes optimized to true
+ * patch11: foreach on null list could spring memory leak
+ * 
+ * Revision 4.0.1.2  91/06/07  10:26:45  lwall
+ * patch4: new copyright notice
+ * patch4: made some allowances for "semi-standard" C
+ * 
+ * Revision 4.0.1.1  91/04/11  17:36:16  lwall
+ * patch1: you may now use "die" and "caller" in a signal handler
+ * 
+ * Revision 4.0  91/03/20  01:04:18  lwall
+ * 4.0 baseline.
+ * 
+ */
+
+#include "EXTERN.h"
+#include "perl.h"
+
+#ifdef I_VARARGS
+#  include <varargs.h>
+#endif
+
+void deb_growlevel();
+
+#  ifndef I_VARARGS
+/*VARARGS1*/
+void deb(pat,a1,a2,a3,a4,a5,a6,a7,a8)
+char *pat;
+{
+    register I32 i;
+
+    fprintf(stderr,"%-4ld",(long)curop->cop_line);
+    for (i=0; i<dlevel; i++)
+	fprintf(stderr,"%c%c ",debname[i],debdelim[i]);
+    fprintf(stderr,pat,a1,a2,a3,a4,a5,a6,a7,a8);
+}
+#  else
+/*VARARGS1*/
+void deb(va_alist)
+va_dcl
+{
+    va_list args;
+    char *pat;
+    register I32 i;
+
+    va_start(args);
+    fprintf(stderr,"%-4ld",(long)curcop->cop_line);
+    for (i=0; i<dlevel; i++)
+	fprintf(stderr,"%c%c ",debname[i],debdelim[i]);
+
+    pat = va_arg(args, char *);
+    (void) vfprintf(stderr,pat,args);
+    va_end( args );
+}
+#  endif
+
+void
+deb_growlevel()
+{
+    dlmax += 128;
+    Renew(debname, dlmax, char);
+    Renew(debdelim, dlmax, char);
+}
+
+I32
+debstackptrs()
+{
+    fprintf(stderr, "%8lx %8lx %8ld %8ld %8ld\n",
+	stack, stack_base, *markstack_ptr, stack_sp-stack_base, stack_max-stack_base);
+    fprintf(stderr, "%8lx %8lx %8ld %l8d %8ld\n",
+	mainstack, AvARRAY(stack), mainstack, AvFILL(stack), AvMAX(stack));
+    return 0;
+}
+
+I32
+debstack()
+{
+    register I32 i;
+    I32 markoff = markstack_ptr > markstack ? *markstack_ptr : -1;
+
+    fprintf(stderr, "     =>");
+    if (stack_base[0] || stack_sp < stack_base)
+	fprintf(stderr, " [STACK UNDERFLOW!!!]\n");
+    for (i = 1; i <= 30; i++) {
+	if (stack_sp >= &stack_base[i])
+	{
+	    fprintf(stderr, "\t%-4s%s%s", SvPEEK(stack_base[i]),
+		markoff == i ? " [" : "",
+		stack_sp == &stack_base[i] ?
+			(markoff == i ? "]" : " ]") : "");
+	}
+    }
+    fprintf(stderr, "\n");
+    return 0;
+}
-- 
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