summaryrefslogtreecommitdiff
path: root/ext/Opcode/Opcode.xs
diff options
context:
space:
mode:
Diffstat (limited to 'ext/Opcode/Opcode.xs')
-rw-r--r--ext/Opcode/Opcode.xs83
1 files changed, 44 insertions, 39 deletions
diff --git a/ext/Opcode/Opcode.xs b/ext/Opcode/Opcode.xs
index b07159cfe7..100e6f8d68 100644
--- a/ext/Opcode/Opcode.xs
+++ b/ext/Opcode/Opcode.xs
@@ -11,11 +11,11 @@ static SV *opset_all; /* mask with all bits set */
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.
@@ -27,7 +27,7 @@ static SV *get_op_bitspec (char *opname, STRLEN len, int fatal);
*/
static void
-op_names_init(void)
+op_names_init(pTHX)
{
int i;
STRLEN len;
@@ -43,16 +43,16 @@ op_names_init(void)
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 */
}
@@ -62,10 +62,10 @@ op_names_init(void)
*/
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);
@@ -83,7 +83,7 @@ put_op_bitspec(char *optag, STRLEN len, SV *mask)
*/
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)
@@ -106,11 +106,11 @@ get_op_bitspec(char *opname, STRLEN len, int fatal)
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 {
@@ -125,7 +125,7 @@ new_opset(SV *old_opset)
static int
-verify_opset(SV *opset, int fatal)
+verify_opset(pTHX_ SV *opset, int fatal)
{
char *err = Nullch;
if (!SvOK(opset)) err = "undefined";
@@ -139,7 +139,7 @@ verify_opset(SV *opset, int fatal)
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);
@@ -173,14 +173,14 @@ set_opset_bits(char *bitmap, SV *bitspec, int on, char *opname)
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");
@@ -200,7 +200,7 @@ opmask_add(SV *opset) /* THE ONLY FUNCTION TO EDIT PL_op_mask ITSELF */
}
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);
@@ -216,7 +216,7 @@ opmask_addlocal(SV *opset, char *op_mask_buf) /* Localise PL_op_mask then opmask
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);
}
@@ -230,7 +230,7 @@ BOOT:
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
@@ -244,7 +244,7 @@ PPCODE:
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 */
@@ -270,7 +270,10 @@ int
verify_opset(opset, fatal = 0)
SV *opset
int fatal
-
+CODE:
+ RETVAL = verify_opset(aTHX_ opset,fatal);
+OUTPUT:
+ RETVAL
void
invert_opset(opset)
@@ -279,7 +282,7 @@ CODE:
{
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];
@@ -300,7 +303,7 @@ PPCODE:
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++) {
@@ -318,21 +321,21 @@ CODE:
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;
@@ -357,13 +360,13 @@ CODE:
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);
}
@@ -371,9 +374,9 @@ CODE:
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;
@@ -391,7 +394,7 @@ PPCODE:
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)
@@ -423,19 +426,19 @@ define_optag(optagsv, mask)
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)
@@ -443,6 +446,8 @@ opmask_add(opset)
PREINIT:
if (!PL_op_mask)
Newz(0, PL_op_mask, PL_maxo, char);
+CODE:
+ opmask_add(aTHX_ opset);
void
opcodes()
@@ -457,7 +462,7 @@ PPCODE:
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;