X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/4608196e45589eea5792cff92b551109899ddb06..6814b069be7aa620af7196466dde7ea2c70e3849:/deb.c

diff --git a/deb.c b/deb.c
index e246b1a..bccfc18 100644
--- a/deb.c
+++ b/deb.c
@@ -1,7 +1,7 @@
 /*    deb.c
  *
- *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999,
- *    2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
+ *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+ *    2002, 2003, 2004, 2005, 2006, 2007, 2008 by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -9,8 +9,10 @@
  */
 
 /*
- * "Didst thou think that the eyes of the White Tower were blind?  Nay, I
- * have seen more than thou knowest, Gray Fool."  --Denethor
+ * 'Didst thou think that the eyes of the White Tower were blind?  Nay,
+ *  I have seen more than thou knowest, Grey Fool.'        --Denethor
+ *
+ *     [p.853 of _The Lord of the Rings_, V/vii: "The Pyre of Denethor"]
  */
 
 /*
@@ -29,6 +31,7 @@ Perl_deb_nocontext(const char *pat, ...)
 #ifdef DEBUGGING
     dTHX;
     va_list args;
+    PERL_ARGS_ASSERT_DEB_NOCONTEXT;
     va_start(args, pat);
     vdeb(pat, &args);
     va_end(args);
@@ -41,14 +44,15 @@ Perl_deb_nocontext(const char *pat, ...)
 void
 Perl_deb(pTHX_ const char *pat, ...)
 {
-#ifdef DEBUGGING
     va_list args;
+    PERL_ARGS_ASSERT_DEB;
     va_start(args, pat);
+#ifdef DEBUGGING
     vdeb(pat, &args);
-    va_end(args);
 #else
-    PERL_UNUSED_ARG(pat);
+    PERL_UNUSED_CONTEXT;
 #endif /* DEBUGGING */
+    va_end(args);
 }
 
 void
@@ -56,12 +60,20 @@ Perl_vdeb(pTHX_ const char *pat, va_list *args)
 {
 #ifdef DEBUGGING
     dVAR;
-    const char* const file = OutCopFILE(PL_curcop);
+    const char* const file = PL_curcop ? OutCopFILE(PL_curcop) : "<null>";
+    const char* const display_file = file ? file : "<free>";
+    const long line = PL_curcop ? (long)CopLINE(PL_curcop) : 0;
+
+    PERL_ARGS_ASSERT_VDEB;
 
-    PerlIO_printf(Perl_debug_log, "(%s:%ld)\t", (file ? file : "<free>"),
-		  (long)CopLINE(PL_curcop));
+    if (DEBUG_v_TEST)
+	PerlIO_printf(Perl_debug_log, "(%ld:%s:%ld)\t",
+		      (long)PerlProc_getpid(), display_file, line);
+    else
+	PerlIO_printf(Perl_debug_log, "(%s:%ld)\t", display_file, line);
     (void) PerlIO_vprintf(Perl_debug_log, pat, *args);
 #else
+    PERL_UNUSED_CONTEXT;
     PERL_UNUSED_ARG(pat);
     PERL_UNUSED_ARG(args);
 #endif /* DEBUGGING */
@@ -102,8 +114,11 @@ S_deb_stack_n(pTHX_ SV** stack_base, I32 stack_min, I32 stack_max,
 {
 #ifdef DEBUGGING
     dVAR;
-    register I32 i = stack_max - 30;
+    I32 i = stack_max - 30;
     const I32 *markscan = PL_markstack + mark_min;
+
+    PERL_ARGS_ASSERT_DEB_STACK_N;
+
     if (i < stack_min)
 	i = stack_min;
     
@@ -133,6 +148,7 @@ S_deb_stack_n(pTHX_ SV** stack_base, I32 stack_min, I32 stack_max,
     while (1);
     PerlIO_printf(Perl_debug_log, "\n");
 #else
+    PERL_UNUSED_CONTEXT;
     PERL_UNUSED_ARG(stack_base);
     PERL_UNUSED_ARG(stack_min);
     PERL_UNUSED_ARG(stack_max);
@@ -200,8 +216,8 @@ Perl_deb_stack_all(pTHX)
     si_ix=0;
     for (;;)
     {
-        const int si_name_ix = si->si_type+1; /* -1 is a valid index */
-        const char * const si_name = (si_name_ix>= sizeof(si_names)) ? "????" : si_names[si_name_ix];
+        const size_t si_name_ix = si->si_type+1; /* -1 is a valid index */
+        const char * const si_name = (si_name_ix >= sizeof(si_names)) ? "????" : si_names[si_name_ix];
 	I32 ix;
 	PerlIO_printf(Perl_debug_log, "STACK %"IVdf": %s\n",
 						(IV)si_ix, si_name);
@@ -286,8 +302,7 @@ Perl_deb_stack_all(pTHX)
 		if (CxTYPE(cx) == CXt_EVAL || CxTYPE(cx) == CXt_SUB
 			|| CxTYPE(cx) == CXt_FORMAT)
 		{
-		    const OP * const retop = (CxTYPE(cx) == CXt_EVAL)
-			    ? cx->blk_eval.retop : cx->blk_sub.retop;
+		    const OP * const retop = cx->blk_sub.retop;
 
 		    PerlIO_printf(Perl_debug_log, "  retop=%s\n",
 			    retop ? OP_NAME(retop) : "(null)"
@@ -306,6 +321,8 @@ Perl_deb_stack_all(pTHX)
     } /* next stackinfo */
 
     PerlIO_printf(Perl_debug_log, "\n");
+#else
+    PERL_UNUSED_CONTEXT;
 #endif /* DEBUGGING */
 }
 
@@ -313,8 +330,8 @@ Perl_deb_stack_all(pTHX)
  * Local variables:
  * c-indentation-style: bsd
  * c-basic-offset: 4
- * indent-tabs-mode: t
+ * indent-tabs-mode: nil
  * End:
  *
- * ex: set ts=8 sts=4 sw=4 noet:
+ * ex: set ts=8 sts=4 sw=4 et:
  */