/* scope.c
*
- * Copyright (c) 1991-1997, Larry Wall
+ * Copyright (c) 1991-1999, 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"
+#define PERL_IN_SCOPE_C
#include "perl.h"
+void *
+Perl_default_protect(pTHX_ int *excpt, protect_body_t body, ...)
+{
+ void *ret;
+ va_list args;
+ va_start(args, body);
+ ret = vdefault_protect(excpt, body, &args);
+ va_end(args);
+ return ret;
+}
+
+void *
+Perl_vdefault_protect(pTHX_ int *excpt, protect_body_t body, va_list *args)
+{
+ dTHR;
+ dJMPENV;
+ int ex;
+ void *ret;
+
+ DEBUG_l(Perl_deb(aTHX_ "Setting up local jumplevel %p, was %p\n",
+ &cur_env, PL_top_env));
+ JMPENV_PUSH(ex);
+ if (ex)
+ ret = NULL;
+ else
+ ret = CALL_FPTR(body)(aTHX_ *args);
+ *excpt = ex;
+ JMPENV_POP;
+ return ret;
+}
+
SV**
-stack_grow(SV **sp, SV **p, int n)
+Perl_stack_grow(pTHX_ SV **sp, SV **p, int n)
{
dTHR;
#if defined(DEBUGGING) && !defined(USE_THREADS)
#endif
PERL_SI *
-new_stackinfo(I32 stitems, I32 cxitems)
+Perl_new_stackinfo(pTHX_ I32 stitems, I32 cxitems)
{
PERL_SI *si;
PERL_CONTEXT *cxt;
}
I32
-cxinc(void)
+Perl_cxinc(pTHX)
{
dTHR;
cxstack_max = GROW(cxstack_max);
}
void
-push_return(OP *retop)
+Perl_push_return(pTHX_ OP *retop)
{
dTHR;
if (PL_retstack_ix == PL_retstack_max) {
}
OP *
-pop_return(void)
+Perl_pop_return(pTHX)
{
dTHR;
if (PL_retstack_ix > 0)
}
void
-push_scope(void)
+Perl_push_scope(pTHX)
{
dTHR;
if (PL_scopestack_ix == PL_scopestack_max) {
}
void
-pop_scope(void)
+Perl_pop_scope(pTHX)
{
dTHR;
I32 oldsave = PL_scopestack[--PL_scopestack_ix];
}
void
-markstack_grow(void)
+Perl_markstack_grow(pTHX)
{
dTHR;
I32 oldmax = PL_markstack_max - PL_markstack;
}
void
-savestack_grow(void)
+Perl_savestack_grow(pTHX)
{
dTHR;
PL_savestack_max = GROW(PL_savestack_max) + 4;
#undef GROW
void
-free_tmps(void)
+Perl_tmps_grow(pTHX_ I32 n)
+{
+ dTHR;
+#ifndef STRESS_REALLOC
+ if (n < 128)
+ n = (PL_tmps_max < 512) ? 128 : 512;
+#endif
+ PL_tmps_max = PL_tmps_ix + n + 1;
+ Renew(PL_tmps_stack, PL_tmps_max, SV*);
+}
+
+
+void
+Perl_free_tmps(pTHX)
{
dTHR;
/* XXX should tmps_floor live in cxstack? */
}
STATIC SV *
-save_scalar_at(SV **sptr)
+S_save_scalar_at(pTHX_ SV **sptr)
{
dTHR;
register SV *sv;
}
SV *
-save_scalar(GV *gv)
+Perl_save_scalar(pTHX_ GV *gv)
{
dTHR;
SV **sptr = &GvSV(gv);
}
SV*
-save_svref(SV **sptr)
+Perl_save_svref(pTHX_ SV **sptr)
{
dTHR;
SSCHECK(3);
/* Like save_svref(), but doesn't deal with magic. Can be used to
* restore a global SV to its prior contents, freeing new value. */
void
-save_generic_svref(SV **sptr)
+Perl_save_generic_svref(pTHX_ SV **sptr)
{
dTHR;
SSCHECK(3);
}
void
-save_gp(GV *gv, I32 empty)
+Perl_save_gp(pTHX_ GV *gv, I32 empty)
{
dTHR;
SSCHECK(6);
}
AV *
-save_ary(GV *gv)
+Perl_save_ary(pTHX_ GV *gv)
{
dTHR;
AV *oav = GvAVn(gv);
}
HV *
-save_hash(GV *gv)
+Perl_save_hash(pTHX_ GV *gv)
{
dTHR;
HV *ohv, *hv;
}
void
-save_item(register SV *item)
+Perl_save_item(pTHX_ register SV *item)
{
dTHR;
register SV *sv = NEWSV(0,0);
}
void
-save_int(int *intp)
+Perl_save_int(pTHX_ int *intp)
{
dTHR;
SSCHECK(3);
}
void
-save_long(long int *longp)
+Perl_save_long(pTHX_ long int *longp)
{
dTHR;
SSCHECK(3);
}
void
-save_I32(I32 *intp)
+Perl_save_I32(pTHX_ I32 *intp)
{
dTHR;
SSCHECK(3);
}
void
-save_I16(I16 *intp)
+Perl_save_I16(pTHX_ I16 *intp)
{
dTHR;
SSCHECK(3);
}
void
-save_iv(IV *ivp)
+Perl_save_iv(pTHX_ IV *ivp)
{
dTHR;
SSCHECK(3);
* force word-alignment and we'll miss the pointer.
*/
void
-save_pptr(char **pptr)
+Perl_save_pptr(pTHX_ char **pptr)
{
dTHR;
SSCHECK(3);
}
void
-save_sptr(SV **sptr)
+Perl_save_sptr(pTHX_ SV **sptr)
{
dTHR;
SSCHECK(3);
}
SV **
-save_threadsv(PADOFFSET i)
+Perl_save_threadsv(pTHX_ PADOFFSET i)
{
#ifdef USE_THREADS
dTHR;
save_svref(svp);
return svp;
#else
- croak("panic: save_threadsv called in non-threaded perl");
+ Perl_croak(aTHX_ "panic: save_threadsv called in non-threaded perl");
return 0;
#endif /* USE_THREADS */
}
void
-save_nogv(GV *gv)
+Perl_save_nogv(pTHX_ GV *gv)
{
dTHR;
SSCHECK(2);
}
void
-save_hptr(HV **hptr)
+Perl_save_hptr(pTHX_ HV **hptr)
{
dTHR;
SSCHECK(3);
}
void
-save_aptr(AV **aptr)
+Perl_save_aptr(pTHX_ AV **aptr)
{
dTHR;
SSCHECK(3);
}
void
-save_freesv(SV *sv)
+Perl_save_freesv(pTHX_ SV *sv)
{
dTHR;
SSCHECK(2);
}
void
-save_freeop(OP *o)
+Perl_save_freeop(pTHX_ OP *o)
{
dTHR;
SSCHECK(2);
}
void
-save_freepv(char *pv)
+Perl_save_freepv(pTHX_ char *pv)
{
dTHR;
SSCHECK(2);
}
void
-save_clearsv(SV **svp)
+Perl_save_clearsv(pTHX_ SV **svp)
{
dTHR;
SSCHECK(2);
}
void
-save_delete(HV *hv, char *key, I32 klen)
+Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen)
{
dTHR;
SSCHECK(4);
}
void
-save_list(register SV **sarg, I32 maxsarg)
+Perl_save_list(pTHX_ register SV **sarg, I32 maxsarg)
{
dTHR;
register SV *sv;
}
void
-#ifdef PERL_OBJECT
-save_destructor(DESTRUCTORFUNC f, void* p)
-#else
-save_destructor(void (*f) (void *), void *p)
-#endif
+Perl_save_destructor(pTHX_ DESTRUCTORFUNC_t f, void* p)
{
dTHR;
SSCHECK(3);
}
void
-save_aelem(AV *av, I32 idx, SV **sptr)
+Perl_save_aelem(pTHX_ AV *av, I32 idx, SV **sptr)
{
dTHR;
SSCHECK(4);
}
void
-save_helem(HV *hv, SV *key, SV **sptr)
+Perl_save_helem(pTHX_ HV *hv, SV *key, SV **sptr)
{
dTHR;
SSCHECK(4);
}
void
-save_op(void)
+Perl_save_op(pTHX)
{
dTHR;
SSCHECK(2);
}
I32
-save_alloc(I32 size, I32 pad)
+Perl_save_alloc(pTHX_ I32 size, I32 pad)
{
dTHR;
register I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix]
}
void
-leave_scope(I32 base)
+Perl_leave_scope(pTHX_ I32 base)
{
dTHR;
register SV *sv;
I32 i;
if (base < -1)
- croak("panic: corrupt saved stack index");
+ Perl_croak(aTHX_ "panic: corrupt saved stack index");
while (PL_savestack_ix > base) {
switch (SSPOPINT) {
case SAVEt_ITEM: /* normal string */
sv = *(SV**)ptr;
/* Can clear pad variable in place? */
if (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) {
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv))
- croak("panic: leave_scope clearsv");
- if (SvROK(sv))
- sv_unref(sv);
- }
+ if (SvTHINKFIRST(sv))
+ sv_force_normal(sv);
if (SvMAGICAL(sv))
mg_free(sv);
hv_clear((HV*)sv);
break;
case SVt_PVCV:
- croak("panic: leave_scope pad code");
+ Perl_croak(aTHX_ "panic: leave_scope pad code");
case SVt_RV:
case SVt_IV:
case SVt_NV:
break;
case SAVEt_DESTRUCTOR:
ptr = SSPOPPTR;
- (CALLDESTRUCTOR)(ptr);
+ CALLDESTRUCTOR(aTHXo_ ptr);
break;
case SAVEt_REGCONTEXT:
case SAVEt_ALLOC:
*(I32*)&PL_hints = (I32)SSPOPINT;
break;
default:
- croak("panic: leave_scope inconsistency");
+ Perl_croak(aTHX_ "panic: leave_scope inconsistency");
}
}
}
void
-cx_dump(PERL_CONTEXT *cx)
+Perl_cx_dump(pTHX_ PERL_CONTEXT *cx)
{
#ifdef DEBUGGING
dTHR;
(long)cx->sb_iters);
PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n",
(long)cx->sb_maxiters);
- PerlIO_printf(Perl_debug_log, "SB_SAFEBASE = %ld\n",
- (long)cx->sb_safebase);
+ PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n",
+ (long)cx->sb_rflags);
PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n",
(long)cx->sb_once);
PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n",
https://perl5.git.perl.org / perl5.git / blobdiff