Add test for grep() and wantarray

[perl5.git] / run.c

diff --git a/run.c b/run.c
index 76fd63c..0e0fd1c 100644 (file)
--- a/run.c
+++ b/run.c
@@ -1,40 +1,64 @@
+/*    run.c
+ *
+ *    Copyright (c) 1991-1994, 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.
+ *
+ */
+
 #include "EXTERN.h"
 #include "perl.h"
 
-char **watchaddr = 0;
-char *watchok;
+/*
+ * "Away now, Shadowfax!  Run, greatheart, run as you have never run before!
+ * Now we are come to the lands where you were foaled, and every stone you
+ * know.  Run now!  Hope is in speed!"  --Gandalf
+ */
+
+dEXT char **watchaddr = 0;
+dEXT char *watchok;
 
 #ifndef DEBUGGING
 
-run() {
+int
+runops() {
+    SAVEI32(runlevel);
+    runlevel++;
+
     while ( op = (*op->op_ppaddr)() ) ;
+
+    TAINT_NOT;
+    return 0;
 }
 
 #else
 
-run() {
+static void debprof _((OP*op));
+
+int
+runops() {
     if (!op) {
        warn("NULL OP IN RUN");
-       return;
+       return 0;
     }
+
+    SAVEI32(runlevel);
+    runlevel++;
+
     do {
        if (debug) {
            if (watchaddr != 0 && *watchaddr != watchok)
-               fprintf(stderr, "WARNING: %lx changed from %lx to %lx\n",
-                   watchaddr, watchok, *watchaddr);
+               PerlIO_printf(Perl_debug_log, "WARNING: %lx changed from %lx to %lx\n",
+                   (long)watchaddr, (long)watchok, (long)*watchaddr);
            DEBUG_s(debstack());
            DEBUG_t(debop(op));
+           DEBUG_P(debprof(op));
        }
     } while ( op = (*op->op_ppaddr)() );
-}
-
-#endif
 
-I32
-getgimme(op)
-OP *op;
-{
-    return cxstack[cxstack_ix].blk_gimme;
+    TAINT_NOT;
+    return 0;
 }
 
 I32
@@ -45,21 +69,23 @@ OP *op;
     deb("%s", op_name[op->op_type]);
     switch (op->op_type) {
     case OP_CONST:
-       fprintf(stderr, "(%s)", SvPEEK(cSVOP->op_sv));
+       PerlIO_printf(Perl_debug_log, "(%s)", SvPEEK(cSVOP->op_sv));
        break;
     case OP_GVSV:
     case OP_GV:
        if (cGVOP->op_gv) {
            sv = NEWSV(0,0);
-           gv_fullname(sv, cGVOP->op_gv);
-           fprintf(stderr, "(%s)", SvPV(sv, na));
-           sv_free(sv);
+           gv_fullname3(sv, cGVOP->op_gv, Nullch);
+           PerlIO_printf(Perl_debug_log, "(%s)", SvPV(sv, na));
+           SvREFCNT_dec(sv);
        }
        else
-           fprintf(stderr, "(NULL)");
+           PerlIO_printf(Perl_debug_log, "(NULL)");
+       break;
+    default:
        break;
     }
-    fprintf(stderr, "\n");
+    PerlIO_printf(Perl_debug_log, "\n");
     return 0;
 }
 
@@ -69,6 +95,30 @@ char **addr;
 {
     watchaddr = addr;
     watchok = *addr;
-    fprintf(stderr, "WATCHING, %lx is currently %lx\n",
-       watchaddr, watchok);
+    PerlIO_printf(Perl_debug_log, "WATCHING, %lx is currently %lx\n",
+       (long)watchaddr, (long)watchok);
+}
+
+static void
+debprof(op)
+OP* op;
+{
+    if (!profiledata)
+       New(000, profiledata, MAXO, U32);
+    ++profiledata[op->op_type];
+}
+
+void
+debprofdump()
+{
+    U32 i;
+    if (!profiledata)
+       return;
+    for (i = 0; i < MAXO; i++) {
+       if (profiledata[i])
+           PerlIO_printf(Perl_debug_log, "%d\t%lu\n", i, profiledata[i]);
+    }
 }
+
+#endif
+