Upgrade to Encode 1.92.
[p5sagit/p5-mst-13.2.git] / pp_ctl.c
index cdcbb30..ac33adf 100644 (file)
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -1,6 +1,6 @@
 /*    pp_ctl.c
  *
- *    Copyright (c) 1991-2002, Larry Wall
+ *    Copyright (c) 1991-2003, 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.
@@ -204,7 +204,7 @@ PP(pp_substcont)
            sv_free(dstr);
 
            TAINT_IF(cx->sb_rxtainted & 1);
-           PUSHs(sv_2mortal(newSViv((I32)cx->sb_iters - 1)));
+           PUSHs(sv_2mortal(newSViv(saviters - 1)));
 
            (void)SvPOK_only_UTF8(targ);
            TAINT_IF(cx->sb_rxtainted);
@@ -355,7 +355,9 @@ PP(pp_formline)
     bool gotsome = FALSE;
     STRLEN len;
     STRLEN fudge = SvCUR(tmpForm) * (IN_BYTES ? 1 : 3) + 1;
-    bool item_is_utf = FALSE;
+    bool item_is_utf8 = FALSE;
+    bool targ_is_utf8 = FALSE;
+    SV * nsv = Nullsv;
 
     if (!SvMAGICAL(tmpForm) || !SvCOMPILED(tmpForm)) {
        if (SvREADONLY(tmpForm)) {
@@ -366,8 +368,9 @@ PP(pp_formline)
        else
            doparseform(tmpForm);
     }
-
     SvPV_force(PL_formtarget, len);
+    if (DO_UTF8(PL_formtarget))
+       targ_is_utf8 = TRUE;
     t = SvGROW(PL_formtarget, len + fudge + 1);  /* XXX SvCUR bad */
     t += len;
     f = SvPV(tmpForm, len);
@@ -414,6 +417,21 @@ PP(pp_formline)
 
        case FF_LITERAL:
            arg = *fpc++;
+           if (targ_is_utf8 && !SvUTF8(tmpForm)) {
+               SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget));
+               *t = '\0';
+               sv_catpvn_utf8_upgrade(PL_formtarget, f, arg, nsv);
+               t = SvEND(PL_formtarget);
+               break;
+           }
+           if (!targ_is_utf8 && DO_UTF8(tmpForm)) {
+               SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget));
+               *t = '\0';
+               sv_utf8_upgrade(PL_formtarget);
+               SvGROW(PL_formtarget, SvCUR(PL_formtarget) + fudge + 1);
+               t = SvEND(PL_formtarget);
+               targ_is_utf8 = TRUE;
+           }
            while (arg--)
                *t++ = *f++;
            break;
@@ -458,13 +476,13 @@ PP(pp_formline)
                            break;
                        s++;
                    }
-                   item_is_utf = TRUE;
+                   item_is_utf8 = TRUE;
                    itemsize = s - item;
                    sv_pos_b2u(sv, &itemsize);
                    break;
                }
            }
-           item_is_utf = FALSE;
+           item_is_utf8 = FALSE;
            if (itemsize > fieldsize)
                itemsize = fieldsize;
            send = chophere = s + itemsize;
@@ -519,11 +537,11 @@ PP(pp_formline)
                        itemsize = chophere - item;
                        sv_pos_b2u(sv, &itemsize);
                    }
-                   item_is_utf = TRUE;
+                   item_is_utf8 = TRUE;
                    break;
                }
            }
-           item_is_utf = FALSE;
+           item_is_utf8 = FALSE;
            if (itemsize <= fieldsize) {
                send = chophere = s + itemsize;
                while (s < send) {
@@ -579,7 +597,15 @@ PP(pp_formline)
        case FF_ITEM:
            arg = itemsize;
            s = item;
-           if (item_is_utf) {
+           if (item_is_utf8) {
+               if (!targ_is_utf8) {
+                   SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget));
+                   *t = '\0';
+                   sv_utf8_upgrade(PL_formtarget);
+                   SvGROW(PL_formtarget, SvCUR(PL_formtarget) + fudge + 1);
+                   t = SvEND(PL_formtarget);
+                   targ_is_utf8 = TRUE;
+               }
                while (arg--) {
                    if (UTF8_IS_CONTINUED(*s)) {
                        STRLEN skip = UTF8SKIP(s);
@@ -605,6 +631,21 @@ PP(pp_formline)
                }
                break;
            }
+           if (targ_is_utf8 && !item_is_utf8) {
+               SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget));
+               *t = '\0';
+               sv_catpvn_utf8_upgrade(PL_formtarget, s, arg, nsv);
+               for (; t < SvEND(PL_formtarget); t++) {
+#ifdef EBCDIC
+                   int ch = *t++ = *s++;
+                   if (iscntrl(ch))
+#else
+                   if (!(*t & ~31))
+#endif
+                       *t = ' ';
+               }
+               break;
+           }
            while (arg--) {
 #ifdef EBCDIC
                int ch = *t++ = *s++;
@@ -628,22 +669,32 @@ PP(pp_formline)
        case FF_LINEGLOB:
            item = s = SvPV(sv, len);
            itemsize = len;
-           item_is_utf = FALSE;                /* XXX is this correct? */
+           if ((item_is_utf8 = DO_UTF8(sv)))
+               itemsize = sv_len_utf8(sv);         
            if (itemsize) {
+               bool chopped = FALSE;
                gotsome = TRUE;
-               send = s + itemsize;
+               send = s + len;
                while (s < send) {
                    if (*s++ == '\n') {
-                       if (s == send)
+                       if (s == send) {
                            itemsize--;
+                           chopped = TRUE;
+                       }
                        else
                            lines++;
                    }
                }
                SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget));
-               sv_catpvn(PL_formtarget, item, itemsize);
+               if (targ_is_utf8)
+                   SvUTF8_on(PL_formtarget);
+               sv_catsv(PL_formtarget, sv);
+               if (chopped)
+                   SvCUR_set(PL_formtarget, SvCUR(PL_formtarget) - 1);
                SvGROW(PL_formtarget, SvCUR(PL_formtarget) + fudge + 1);
                t = SvPVX(PL_formtarget) + SvCUR(PL_formtarget);
+               if (item_is_utf8)
+                   targ_is_utf8 = TRUE;
            }
            break;
 
@@ -739,6 +790,8 @@ PP(pp_formline)
                        if (strnEQ(linemark, linemark - arg, arg))
                            DIE(aTHX_ "Runaway format");
                    }
+                   if (targ_is_utf8)
+                       SvUTF8_on(PL_formtarget);
                    FmLINES(PL_formtarget) = lines;
                    SP = ORIGMARK;
                    RETURNOP(cLISTOP->op_first);
@@ -778,6 +831,8 @@ PP(pp_formline)
        case FF_END:
            *t = '\0';
            SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget));
+           if (targ_is_utf8)
+               SvUTF8_on(PL_formtarget);
            FmLINES(PL_formtarget) += lines;
            SP = ORIGMARK;
            RETPUSHYES;
@@ -1580,8 +1635,18 @@ PP(pp_caller)
                (old_warnings == pWARN_STD && (PL_dowarn & G_WARN_ON) == 0))
             mask = newSVpvn(WARN_NONEstring, WARNsize) ;
         else if (old_warnings == pWARN_ALL ||
-                 (old_warnings == pWARN_STD && PL_dowarn & G_WARN_ON))
-            mask = newSVpvn(WARN_ALLstring, WARNsize) ;
+                 (old_warnings == pWARN_STD && PL_dowarn & G_WARN_ON)) {
+           /* Get the bit mask for $warnings::Bits{all}, because
+            * it could have been extended by warnings::register */
+           SV **bits_all;
+           HV *bits = get_hv("warnings::Bits", FALSE);
+           if (bits && (bits_all=hv_fetch(bits, "all", 3, FALSE))) {
+               mask = newSVsv(*bits_all);
+           }
+           else {
+               mask = newSVpvn(WARN_ALLstring, WARNsize) ;
+           }
+       }
         else
             mask = newSVsv(old_warnings);
         PUSHs(sv_2mortal(mask));
@@ -1884,6 +1949,7 @@ PP(pp_return)
     }
     PL_stack_sp = newsp;
 
+    LEAVE;
     /* Stack values are safe: */
     if (popsub2) {
        POPSUB(cx,sv);  /* release CV and @_ ... */
@@ -1892,7 +1958,6 @@ PP(pp_return)
        sv = Nullsv;
     PL_curpm = newpm;  /* ... and pop $1 et al */
 
-    LEAVE;
     LEAVESUB(sv);
     if (clear_errsv)
        sv_setpv(ERRSV,"");
@@ -1968,6 +2033,7 @@ PP(pp_last)
     SP = newsp;
     PUTBACK;
 
+    LEAVE;
     /* Stack values are safe: */
     switch (pop2) {
     case CXt_LOOP:
@@ -1980,7 +2046,6 @@ PP(pp_last)
     }
     PL_curpm = newpm;  /* ... and pop $1 et al */
 
-    LEAVE;
     LEAVESUB(sv);
     return nextop;
 }
@@ -2138,6 +2203,7 @@ PP(pp_goto)
            }
 
            /* First do some returnish stuff. */
+           SvREFCNT_inc(cv); /* avoid premature free during unwind */
            FREETMPS;
            cxix = dopoptosub(cxstack_ix);
            if (cxix < 0)
@@ -2185,6 +2251,7 @@ PP(pp_goto)
 
            /* Now do some callish stuff. */
            SAVETMPS;
+           SAVEFREESV(cv); /* later, undo the 'avoid premature free' hack */
            if (CvXSUB(cv)) {
 #ifdef PERL_XSUB_OLDSTYLE
                if (CvOLDSTYLE(cv)) {