diff options
Diffstat (limited to 'ext/Opcode/Opcode.xs')
-rw-r--r-- | ext/Opcode/Opcode.xs | 83 |
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; |