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authorLarry Wall <lwall@netlabs.com>1993-10-07 23:00:00 +0000
committerLarry Wall <lwall@netlabs.com>1993-10-07 23:00:00 +0000
commit79072805bf63abe5b5978b5928ab00d360ea3e7f (patch)
tree96688fcd69f9c8d2110e93c350b4d0025eaf240d /deb.c
parente334a159a5616cab575044bafaf68f75b7bb3a16 (diff)
downloadperl-79072805bf63abe5b5978b5928ab00d360ea3e7f.tar.gz
perl 5.0 alpha 2perl-5a2
[editor's note: from history.perl.org. The sparc executables originally included in the distribution are not in this commit.]
Diffstat (limited to 'deb.c')
-rw-r--r--deb.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/deb.c b/deb.c
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+++ 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;
+}