+#define PERL_NO_GET_CONTEXT
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
static IV opset_len; /* length of opmasks in bytes */
static int opcode_debug = 0;
-static SV *new_opset _((SV *old_opset));
-static int verify_opset _((SV *opset, int fatal));
-static void set_opset_bits _((char *bitmap, SV *bitspec, int on, char *opname));
-static void put_op_bitspec _((char *optag, STRLEN len, SV *opset));
-static SV *get_op_bitspec _((char *opname, STRLEN len, int fatal));
+static SV *new_opset (pTHX_ SV *old_opset);
+static int verify_opset (pTHX_ SV *opset, int fatal);
+static void set_opset_bits (pTHX_ char *bitmap, SV *bitspec, int on, char *opname);
+static void put_op_bitspec (pTHX_ char *optag, STRLEN len, SV *opset);
+static SV *get_op_bitspec (pTHX_ char *opname, STRLEN len, int fatal);
/* Initialise our private op_named_bits HV.
*/
static void
-op_names_init(void)
+op_names_init(pTHX)
{
int i;
STRLEN len;
hv_store(op_named_bits, op_names[i], strlen(op_names[i]), sv, 0);
}
- put_op_bitspec(":none",0, sv_2mortal(new_opset(Nullsv)));
+ put_op_bitspec(aTHX_ ":none",0, sv_2mortal(new_opset(aTHX_ Nullsv)));
- opset_all = new_opset(Nullsv);
+ opset_all = new_opset(aTHX_ Nullsv);
bitmap = SvPV(opset_all, len);
i = len-1; /* deal with last byte specially, see below */
while(i-- > 0)
bitmap[i] = 0xFF;
/* Take care to set the right number of bits in the last byte */
bitmap[len-1] = (PL_maxo & 0x07) ? ~(0xFF << (PL_maxo & 0x07)) : 0xFF;
- put_op_bitspec(":all",0, opset_all); /* don't mortalise */
+ put_op_bitspec(aTHX_ ":all",0, opset_all); /* don't mortalise */
}
*/
static void
-put_op_bitspec(char *optag, STRLEN len, SV *mask)
+put_op_bitspec(pTHX_ char *optag, STRLEN len, SV *mask)
{
SV **svp;
- verify_opset(mask,1);
+ verify_opset(aTHX_ mask,1);
if (!len)
len = strlen(optag);
svp = hv_fetch(op_named_bits, optag, len, 1);
*/
static SV *
-get_op_bitspec(char *opname, STRLEN len, int fatal)
+get_op_bitspec(pTHX_ char *opname, STRLEN len, int fatal)
{
SV **svp;
if (!len)
static SV *
-new_opset(SV *old_opset)
+new_opset(pTHX_ SV *old_opset)
{
SV *opset;
if (old_opset) {
- verify_opset(old_opset,1);
+ verify_opset(aTHX_ old_opset,1);
opset = newSVsv(old_opset);
}
else {
static int
-verify_opset(SV *opset, int fatal)
+verify_opset(pTHX_ SV *opset, int fatal)
{
char *err = Nullch;
if (!SvOK(opset)) err = "undefined";
static void
-set_opset_bits(char *bitmap, SV *bitspec, int on, char *opname)
+set_opset_bits(pTHX_ char *bitmap, SV *bitspec, int on, char *opname)
{
if (SvIOK(bitspec)) {
int myopcode = SvIV(bitspec);
static void
-opmask_add(SV *opset) /* THE ONLY FUNCTION TO EDIT PL_op_mask ITSELF */
+opmask_add(pTHX_ SV *opset) /* THE ONLY FUNCTION TO EDIT PL_op_mask ITSELF */
{
int i,j;
char *bitmask;
STRLEN len;
int myopcode = 0;
- verify_opset(opset,1); /* croaks on bad opset */
+ verify_opset(aTHX_ opset,1); /* croaks on bad opset */
if (!PL_op_mask) /* caller must ensure PL_op_mask exists */
croak("Can't add to uninitialised PL_op_mask");
}
static void
-opmask_addlocal(SV *opset, char *op_mask_buf) /* Localise PL_op_mask then opmask_add() */
+opmask_addlocal(pTHX_ SV *opset, char *op_mask_buf) /* Localise PL_op_mask then opmask_add() */
{
char *orig_op_mask = PL_op_mask;
- SAVEPPTR(PL_op_mask);
+ SAVEVPTR(PL_op_mask);
#if !defined(PERL_OBJECT)
/* XXX casting to an ordinary function ptr from a member function ptr
* is disallowed by Borland
*/
if (opcode_debug >= 2)
- SAVEDESTRUCTOR((void(CPERLscope(*))_((void*)))warn,"PL_op_mask restored");
+ SAVEDESTRUCTOR((void(*)(void*))Perl_warn,"PL_op_mask restored");
#endif
PL_op_mask = &op_mask_buf[0];
if (orig_op_mask)
Copy(orig_op_mask, PL_op_mask, PL_maxo, char);
else
Zero(PL_op_mask, PL_maxo, char);
- opmask_add(opset);
+ opmask_add(aTHX_ opset);
}
opset_len = (PL_maxo + 7) / 8;
if (opcode_debug >= 1)
warn("opset_len %ld\n", (long)opset_len);
- op_names_init();
+ op_names_init(aTHX);
+
+void
+_safe_pkg_prep(Package)
+ char * Package
+PPCODE:
+ HV *hv;
+ ENTER;
+
+ hv = gv_stashpv(Package, GV_ADDWARN); /* should exist already */
+
+ if (strNE(HvNAME(hv),"main")) {
+ Safefree(HvNAME(hv));
+ HvNAME(hv) = savepv("main"); /* make it think it's in main:: */
+ hv_store(hv,"_",1,(SV *)PL_defgv,0); /* connect _ to global */
+ SvREFCNT_inc((SV *)PL_defgv); /* want to keep _ around! */
+ }
+ LEAVE;
+
+
+
void
ENTER;
- opmask_addlocal(mask, op_mask_buf);
+ opmask_addlocal(aTHX_ mask, op_mask_buf);
save_aptr(&PL_endav);
PL_endav = (AV*)sv_2mortal((SV*)newAV()); /* ignore END blocks for now */
- save_hptr(&PL_defstash); /* save current default stack */
+ save_hptr(&PL_defstash); /* save current default stash */
/* the assignment to global defstash changes our sense of 'main' */
PL_defstash = gv_stashpv(Package, GV_ADDWARN); /* should exist already */
+ save_hptr(&PL_curstash);
+ PL_curstash = PL_defstash;
+
/* defstash must itself contain a main:: so we'll add that now */
/* take care with the ref counts (was cause of long standing bug) */
/* XXX I'm still not sure if this is right, GV_ADDWARN should warn! */
sv_free((SV*)GvHV(gv));
GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash);
+ /* %INC must be clean for use/require in compartment */
+ save_hash(PL_incgv);
+ sv_free((SV*)GvHV(PL_incgv)); /* get rid of what save_hash gave us*/
+ GvHV(PL_incgv) = (HV*)SvREFCNT_inc(GvHV(gv_HVadd(gv_fetchpv("INC",TRUE,SVt_PVHV))));
+
PUSHMARK(SP);
+ CvDEFSTASH(SvRV(codesv)) = PL_defstash;
perl_call_sv(codesv, GIMME|G_EVAL|G_KEEPERR); /* use callers context */
SPAGAIN; /* for the PUTBACK added by xsubpp */
LEAVE;
verify_opset(opset, fatal = 0)
SV *opset
int fatal
-
+CODE:
+ RETVAL = verify_opset(aTHX_ opset,fatal);
+OUTPUT:
+ RETVAL
void
invert_opset(opset)
{
char *bitmap;
STRLEN len = opset_len;
- opset = sv_2mortal(new_opset(opset)); /* verify and clone opset */
+ opset = sv_2mortal(new_opset(aTHX_ opset)); /* verify and clone opset */
bitmap = SvPVX(opset);
while(len-- > 0)
bitmap[len] = ~bitmap[len];
int i, j, myopcode;
char *bitmap = SvPV(opset, len);
char **names = (desc) ? get_op_descs() : get_op_names();
- verify_opset(opset,1);
+ verify_opset(aTHX_ opset,1);
for (myopcode=0, i=0; i < opset_len; i++) {
U16 bits = bitmap[i];
for (j=0; j < 8 && myopcode < PL_maxo; j++, myopcode++) {
void
opset(...)
CODE:
- int i, j;
+ int i;
SV *bitspec, *opset;
char *bitmap;
STRLEN len, on;
- opset = sv_2mortal(new_opset(Nullsv));
+ opset = sv_2mortal(new_opset(aTHX_ Nullsv));
bitmap = SvPVX(opset);
for (i = 0; i < items; i++) {
char *opname;
on = 1;
- if (verify_opset(ST(i),0)) {
+ if (verify_opset(aTHX_ ST(i),0)) {
opname = "(opset)";
bitspec = ST(i);
}
else {
opname = SvPV(ST(i), len);
if (*opname == '!') { on=0; ++opname;--len; }
- bitspec = get_op_bitspec(opname, len, 1);
+ bitspec = get_op_bitspec(aTHX_ opname, len, 1);
}
- set_opset_bits(bitmap, bitspec, on, opname);
+ set_opset_bits(aTHX_ bitmap, bitspec, on, opname);
}
ST(0) = opset;
croak("Not a Safe object");
mask = *hv_fetch((HV*)SvRV(safe), "Mask",4, 1);
if (ONLY_THESE) /* *_only = new mask, else edit current */
- sv_setsv(mask, sv_2mortal(new_opset(PERMITING ? opset_all : Nullsv)));
+ sv_setsv(mask, sv_2mortal(new_opset(aTHX_ PERMITING ? opset_all : Nullsv)));
else
- verify_opset(mask,1); /* croaks */
+ verify_opset(aTHX_ mask,1); /* croaks */
bitmap = SvPVX(mask);
for (i = 1; i < items; i++) {
on = PERMITING ? 0 : 1; /* deny = mask bit on */
- if (verify_opset(ST(i),0)) { /* it's a valid mask */
+ if (verify_opset(aTHX_ ST(i),0)) { /* it's a valid mask */
opname = "(opset)";
bitspec = ST(i);
}
opname = SvPV(ST(i), len);
/* invert if op has ! prefix (only one allowed) */
if (*opname == '!') { on = !on; ++opname; --len; }
- bitspec = get_op_bitspec(opname, len, 1); /* croaks */
+ bitspec = get_op_bitspec(aTHX_ opname, len, 1); /* croaks */
}
- set_opset_bits(bitmap, bitspec, on, opname);
+ set_opset_bits(aTHX_ bitmap, bitspec, on, opname);
}
ST(0) = &PL_sv_yes;
char **op_desc = get_op_descs();
/* copy args to a scratch area since we may push output values onto */
/* the stack faster than we read values off it if masks are used. */
- args = (SV**)SvPVX(sv_2mortal(newSVpv((char*)&ST(0), items*sizeof(SV*))));
+ args = (SV**)SvPVX(sv_2mortal(newSVpvn((char*)&ST(0), items*sizeof(SV*))));
for (i = 0; i < items; i++) {
char *opname = SvPV(args[i], len);
- SV *bitspec = get_op_bitspec(opname, len, 1);
+ SV *bitspec = get_op_bitspec(aTHX_ opname, len, 1);
if (SvIOK(bitspec)) {
myopcode = SvIV(bitspec);
if (myopcode < 0 || myopcode >= PL_maxo)
}
else if (SvPOK(bitspec) && SvCUR(bitspec) == opset_len) {
int b, j;
- char *bitmap = SvPV(bitspec,PL_na);
+ STRLEN n_a;
+ char *bitmap = SvPV(bitspec,n_a);
myopcode = 0;
for (b=0; b < opset_len; b++) {
U16 bits = bitmap[b];
CODE:
STRLEN len;
char *optag = SvPV(optagsv, len);
- put_op_bitspec(optag, len, mask); /* croaks */
+ put_op_bitspec(aTHX_ optag, len, mask); /* croaks */
ST(0) = &PL_sv_yes;
void
empty_opset()
CODE:
- ST(0) = sv_2mortal(new_opset(Nullsv));
+ ST(0) = sv_2mortal(new_opset(aTHX_ Nullsv));
void
full_opset()
CODE:
- ST(0) = sv_2mortal(new_opset(opset_all));
+ ST(0) = sv_2mortal(new_opset(aTHX_ opset_all));
void
opmask_add(opset)
PREINIT:
if (!PL_op_mask)
Newz(0, PL_op_mask, PL_maxo, char);
+CODE:
+ opmask_add(aTHX_ opset);
void
opcodes()
void
opmask()
CODE:
- ST(0) = sv_2mortal(new_opset(Nullsv));
+ ST(0) = sv_2mortal(new_opset(aTHX_ Nullsv));
if (PL_op_mask) {
char *bitmap = SvPVX(ST(0));
int myopcode;