[win32] add archname to *sitearch in config.{b,g,v}c

[p5sagit/p5-mst-13.2.git] / scope.c

diff --git a/scope.c b/scope.c
index 7628196..3b4428f 100644 (file)
--- a/scope.c
+++ b/scope.c
@@ -16,10 +16,7 @@
 #include "perl.h"
 
 SV**
-stack_grow(sp, p, n)
-SV** sp;
-SV** p;
-int n;
+stack_grow(SV **sp, SV **p, int n)
 {
     dTHR;
     stack_sp = sp;
@@ -28,17 +25,16 @@ int n;
 }
 
 I32
-cxinc()
+cxinc(void)
 {
     dTHR;
     cxstack_max = cxstack_max * 3 / 2;
-    Renew(cxstack, cxstack_max + 1, CONTEXT);  /* XXX should fix CXINC macro */
+    Renew(cxstack, cxstack_max + 1, PERL_CONTEXT);     /* XXX should fix CXINC macro */
     return cxstack_ix + 1;
 }
 
 void
-push_return(retop)
-OP *retop;
+push_return(OP *retop)
 {
     dTHR;
     if (retstack_ix == retstack_max) {
@@ -49,7 +45,7 @@ OP *retop;
 }
 
 OP *
-pop_return()
+pop_return(void)
 {
     dTHR;
     if (retstack_ix > 0)
@@ -59,7 +55,7 @@ pop_return()
 }
 
 void
-push_scope()
+push_scope(void)
 {
     dTHR;
     if (scopestack_ix == scopestack_max) {
@@ -71,7 +67,7 @@ push_scope()
 }
 
 void
-pop_scope()
+pop_scope(void)
 {
     dTHR;
     I32 oldsave = scopestack[--scopestack_ix];
@@ -79,7 +75,7 @@ pop_scope()
 }
 
 void
-markstack_grow()
+markstack_grow(void)
 {
     dTHR;
     I32 oldmax = markstack_max - markstack;
@@ -91,7 +87,7 @@ markstack_grow()
 }
 
 void
-savestack_grow()
+savestack_grow(void)
 {
     dTHR;
     savestack_max = savestack_max * 3 / 2;
@@ -99,7 +95,7 @@ savestack_grow()
 }
 
 void
-free_tmps()
+free_tmps(void)
 {
     dTHR;
     /* XXX should tmps_floor live in cxstack? */
@@ -117,8 +113,7 @@ free_tmps()
 }
 
 static SV *
-save_scalar_at(sptr)
-SV **sptr;
+save_scalar_at(SV **sptr)
 {
     dTHR;
     register SV *sv;
@@ -149,8 +144,7 @@ SV **sptr;
 }
 
 SV *
-save_scalar(gv)
-GV *gv;
+save_scalar(GV *gv)
 {
     dTHR;
     SSCHECK(3);
@@ -161,8 +155,7 @@ GV *gv;
 }
 
 SV*
-save_svref(sptr)
-SV **sptr;
+save_svref(SV **sptr)
 {
     dTHR;
     SSCHECK(3);
@@ -173,12 +166,15 @@ SV **sptr;
 }
 
 void
-save_gp(gv, empty)
-GV *gv;
-I32 empty;
+save_gp(GV *gv, I32 empty)
 {
     dTHR;
-    SSCHECK(3);
+    SSCHECK(6);
+    SSPUSHIV((IV)SvLEN(gv));
+    SvLEN(gv) = 0; /* forget that anything was allocated here */
+    SSPUSHIV((IV)SvCUR(gv));
+    SSPUSHPTR(SvPVX(gv));
+    SvPOK_off(gv);
     SSPUSHPTR(SvREFCNT_inc(gv));
     SSPUSHPTR(GvGP(gv));
     SSPUSHINT(SAVEt_GP);
@@ -198,36 +194,57 @@ I32 empty;
 }
 
 AV *
-save_ary(gv)
-GV *gv;
+save_ary(GV *gv)
 {
     dTHR;
+    AV *oav, *av;
+
     SSCHECK(3);
     SSPUSHPTR(gv);
-    SSPUSHPTR(GvAVn(gv));
+    SSPUSHPTR(oav = GvAVn(gv));
     SSPUSHINT(SAVEt_AV);
 
     GvAV(gv) = Null(AV*);
-    return GvAVn(gv);
+    av = GvAVn(gv);
+    if (SvMAGIC(oav)) {
+       SvMAGIC(av) = SvMAGIC(oav);
+       SvFLAGS(av) |= SvMAGICAL(oav);
+       SvMAGICAL_off(oav);
+       SvMAGIC(oav) = 0;
+       localizing = 1;
+       SvSETMAGIC((SV*)av);
+       localizing = 0;
+    }
+    return av;
 }
 
 HV *
-save_hash(gv)
-GV *gv;
+save_hash(GV *gv)
 {
     dTHR;
+    HV *ohv, *hv;
+
     SSCHECK(3);
     SSPUSHPTR(gv);
-    SSPUSHPTR(GvHVn(gv));
+    SSPUSHPTR(ohv = GvHVn(gv));
     SSPUSHINT(SAVEt_HV);
 
     GvHV(gv) = Null(HV*);
-    return GvHVn(gv);
+    hv = GvHVn(gv);
+    if (SvMAGIC(ohv)) {
+       SvMAGIC(hv) = SvMAGIC(ohv);
+       SvFLAGS(hv) |= SvMAGICAL(ohv);
+       SvMAGICAL_off(ohv);
+       SvMAGIC(ohv) = 0;
+       localizing = 1;
+       SvSETMAGIC((SV*)hv);
+       localizing = 0;
+    }
+    return hv;
 }
 
 void
-save_item(item)
-register SV *item;
+save_item(register SV *item)
 {
     dTHR;
     register SV *sv;
@@ -241,8 +258,7 @@ register SV *item;
 }
 
 void
-save_int(intp)
-int *intp;
+save_int(int *intp)
 {
     dTHR;
     SSCHECK(3);
@@ -252,8 +268,7 @@ int *intp;
 }
 
 void
-save_long(longp)
-long *longp;
+save_long(long int *longp)
 {
     dTHR;
     SSCHECK(3);
@@ -263,8 +278,7 @@ long *longp;
 }
 
 void
-save_I32(intp)
-I32 *intp;
+save_I32(I32 *intp)
 {
     dTHR;
     SSCHECK(3);
@@ -274,8 +288,7 @@ I32 *intp;
 }
 
 void
-save_I16(intp)
-I16 *intp;
+save_I16(I16 *intp)
 {
     dTHR;
     SSCHECK(3);
@@ -285,8 +298,7 @@ I16 *intp;
 }
 
 void
-save_iv(ivp)
-IV *ivp;
+save_iv(IV *ivp)
 {
     dTHR;
     SSCHECK(3);
@@ -299,8 +311,7 @@ IV *ivp;
  * force word-alignment and we'll miss the pointer.
  */
 void
-save_pptr(pptr)
-char **pptr;
+save_pptr(char **pptr)
 {
     dTHR;
     SSCHECK(3);
@@ -310,8 +321,7 @@ char **pptr;
 }
 
 void
-save_sptr(sptr)
-SV **sptr;
+save_sptr(SV **sptr)
 {
     dTHR;
     SSCHECK(3);
@@ -320,9 +330,24 @@ SV **sptr;
     SSPUSHINT(SAVEt_SPTR);
 }
 
+SV **
+save_threadsv(PADOFFSET i)
+{
+#ifdef USE_THREADS
+    dTHR;
+    SV **svp = av_fetch(thr->threadsv, i, FALSE);
+    DEBUG_L(PerlIO_printf(PerlIO_stderr(), "save_threadsv %u: %p %p:%s\n",
+                         i, svp, *svp, SvPEEK(*svp)));
+    save_svref(svp);
+    return svp;
+#else
+    croak("panic: save_threadsv called in non-threaded perl");
+    return 0;
+#endif /* USE_THREADS */
+}
+
 void
-save_nogv(gv)
-GV *gv;
+save_nogv(GV *gv)
 {
     dTHR;
     SSCHECK(2);
@@ -331,8 +356,7 @@ GV *gv;
 }
 
 void
-save_hptr(hptr)
-HV **hptr;
+save_hptr(HV **hptr)
 {
     dTHR;
     SSCHECK(3);
@@ -342,8 +366,7 @@ HV **hptr;
 }
 
 void
-save_aptr(aptr)
-AV **aptr;
+save_aptr(AV **aptr)
 {
     dTHR;
     SSCHECK(3);
@@ -353,8 +376,7 @@ AV **aptr;
 }
 
 void
-save_freesv(sv)
-SV *sv;
+save_freesv(SV *sv)
 {
     dTHR;
     SSCHECK(2);
@@ -363,8 +385,7 @@ SV *sv;
 }
 
 void
-save_freeop(o)
-OP *o;
+save_freeop(OP *o)
 {
     dTHR;
     SSCHECK(2);
@@ -373,8 +394,7 @@ OP *o;
 }
 
 void
-save_freepv(pv)
-char *pv;
+save_freepv(char *pv)
 {
     dTHR;
     SSCHECK(2);
@@ -383,8 +403,7 @@ char *pv;
 }
 
 void
-save_clearsv(svp)
-SV** svp;
+save_clearsv(SV **svp)
 {
     dTHR;
     SSCHECK(2);
@@ -393,10 +412,7 @@ SV** svp;
 }
 
 void
-save_delete(hv,key,klen)
-HV *hv;
-char *key;
-I32 klen;
+save_delete(HV *hv, char *key, I32 klen)
 {
     dTHR;
     SSCHECK(4);
@@ -407,9 +423,7 @@ I32 klen;
 }
 
 void
-save_list(sarg,maxsarg)
-register SV **sarg;
-I32 maxsarg;
+save_list(register SV **sarg, I32 maxsarg)
 {
     dTHR;
     register SV *sv;
@@ -426,9 +440,7 @@ I32 maxsarg;
 }
 
 void
-save_destructor(f,p)
-void (*f) _((void*));
-void* p;
+save_destructor(void (*f) (void *), void *p)
 {
     dTHR;
     SSCHECK(3);
@@ -438,7 +450,7 @@ void* p;
 }
 
 void
-save_op()
+save_op(void)
 {
     dTHR;
     SSCHECK(2);
@@ -447,8 +459,7 @@ save_op()
 }
 
 void
-leave_scope(base)
-I32 base;
+leave_scope(I32 base)
 {
     dTHR;
     register SV *sv;
@@ -480,6 +491,9 @@ I32 base;
            ptr = SSPOPPTR;
        restore_sv:
            sv = *(SV**)ptr;
+           DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+                                 "restore svref: %p %p:%s -> %p:%s\n",
+                                 ptr, sv, SvPEEK(sv), value, SvPEEK(value)));
            if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv) &&
                SvTYPE(sv) != SVt_PVGV)
            {
@@ -506,14 +520,38 @@ I32 base;
         case SAVEt_AV:                         /* array reference */
            av = (AV*)SSPOPPTR;
            gv = (GV*)SSPOPPTR;
-            SvREFCNT_dec(GvAV(gv));
+           if (GvAV(gv)) {
+               AV *goner = GvAV(gv);
+               SvMAGIC(av) = SvMAGIC(goner);
+               SvFLAGS(av) |= SvMAGICAL(goner);
+               SvMAGICAL_off(goner);
+               SvMAGIC(goner) = 0;
+               SvREFCNT_dec(goner);
+           }
             GvAV(gv) = av;
+           if (SvMAGICAL(av)) {
+               localizing = 2;
+               SvSETMAGIC((SV*)av);
+               localizing = 0;
+           }
             break;
         case SAVEt_HV:                         /* hash reference */
            hv = (HV*)SSPOPPTR;
            gv = (GV*)SSPOPPTR;
-            SvREFCNT_dec(GvHV(gv));
+           if (GvHV(gv)) {
+               HV *goner = GvHV(gv);
+               SvMAGIC(hv) = SvMAGIC(goner);
+               SvFLAGS(hv) |= SvMAGICAL(goner);
+               SvMAGICAL_off(goner);
+               SvMAGIC(goner) = 0;
+               SvREFCNT_dec(goner);
+           }
             GvHV(gv) = hv;
+           if (SvMAGICAL(hv)) {
+               localizing = 2;
+               SvSETMAGIC((SV*)hv);
+               localizing = 0;
+           }
             break;
        case SAVEt_INT:                         /* int reference */
            ptr = SSPOPPTR;
@@ -555,11 +593,17 @@ I32 base;
            gv = (GV*)SSPOPPTR;
            (void)sv_clear((SV*)gv);
            break;
-        case SAVEt_GP:                         /* scalar reference */
+       case SAVEt_GP:                          /* scalar reference */
            ptr = SSPOPPTR;
            gv = (GV*)SSPOPPTR;
             gp_free(gv);
             GvGP(gv) = (GP*)ptr;
+            if (SvPOK(gv) && SvLEN(gv) > 0) {
+                Safefree(SvPVX(gv));
+            }
+            SvPVX(gv) = (char *)SSPOPPTR;
+            SvCUR(gv) = (STRLEN)SSPOPIV;
+            SvLEN(gv) = (STRLEN)SSPOPIV;
            SvREFCNT_dec(gv);
             break;
        case SAVEt_FREESV:
@@ -614,12 +658,12 @@ I32 base;
            }
            else {      /* Someone has a claim on this, so abandon it. */
                U32 padflags = SvFLAGS(sv) & (SVs_PADBUSY|SVs_PADMY|SVs_PADTMP);
-               SvREFCNT_dec(sv);       /* Cast current value to the winds. */
                switch (SvTYPE(sv)) {   /* Console ourselves with a new value */
                case SVt_PVAV:  *(SV**)ptr = (SV*)newAV();      break;
                case SVt_PVHV:  *(SV**)ptr = (SV*)newHV();      break;
                default:        *(SV**)ptr = NEWSV(0,0);        break;
                }
+               SvREFCNT_dec(sv);       /* Cast current value to the winds. */
                SvFLAGS(*(SV**)ptr) |= padflags; /* preserve pad nature */
            }
            break;
@@ -658,11 +702,10 @@ I32 base;
 #ifdef DEBUGGING
 
 void
-cx_dump(cx)
-CONTEXT* cx;
+cx_dump(PERL_CONTEXT *cx)
 {
     dTHR;
-    PerlIO_printf(Perl_debug_log, "CX %d = %s\n", cx - cxstack, block_type[cx->cx_type]);
+    PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), block_type[cx->cx_type]);
     if (cx->cx_type != CXt_SUBST) {
        PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp);
        PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%lx\n", (long)cx->blk_oldcop);