| Commit | Line | Data |
|---|
| cb1a09d0 |
1 | #include "EXTERN.h" |
| 2 | #include "perl.h" |
| 3 | #include "XSUB.h" |
| 4 | |
| a5f75d66 |
5 | /* maxo should never differ from MAXO but leave some room anyway */ |
| 6 | #define OP_MASK_BUF_SIZE (MAXO + 100) |
| 7 | |
| cb1a09d0 |
8 | MODULE = Safe PACKAGE = Safe |
| 9 | |
| 10 | void |
| 11 | safe_call_sv(package, mask, codesv) |
| 12 | char * package |
| 13 | SV * mask |
| 14 | SV * codesv |
| 15 | CODE: |
| 16 | int i; |
| 17 | char *str; |
| 18 | STRLEN len; |
| a5f75d66 |
19 | char op_mask_buf[OP_MASK_BUF_SIZE]; |
| cb1a09d0 |
20 | |
| a5f75d66 |
21 | assert(maxo < OP_MASK_BUF_SIZE); |
| cb1a09d0 |
22 | ENTER; |
| 23 | SAVETMPS; |
| 24 | save_hptr(&defstash); |
| 25 | save_aptr(&endav); |
| 26 | SAVEPPTR(op_mask); |
| a5f75d66 |
27 | op_mask = &op_mask_buf[0]; |
| cb1a09d0 |
28 | str = SvPV(mask, len); |
| 29 | if (maxo != len) |
| 30 | croak("Bad mask length"); |
| 31 | for (i = 0; i < maxo; i++) |
| 32 | op_mask[i] = str[i]; |
| 33 | defstash = gv_stashpv(package, TRUE); |
| 34 | endav = (AV*)sv_2mortal((SV*)newAV()); /* Ignore END blocks for now */ |
| 35 | GvHV(gv_fetchpv("main::", TRUE, SVt_PVHV)) = defstash; |
| 36 | PUSHMARK(sp); |
| 37 | i = perl_call_sv(codesv, G_SCALAR|G_EVAL|G_KEEPERR); |
| 38 | SPAGAIN; |
| 39 | ST(0) = i ? newSVsv(POPs) : &sv_undef; |
| 40 | PUTBACK; |
| 41 | FREETMPS; |
| 42 | LEAVE; |
| 43 | sv_2mortal(ST(0)); |
| 44 | |
| 45 | void |
| 46 | op_mask() |
| 47 | CODE: |
| 48 | ST(0) = sv_newmortal(); |
| 49 | if (op_mask) |
| 50 | sv_setpvn(ST(0), op_mask, maxo); |
| 51 | |
| 52 | void |
| 53 | mask_to_ops(mask) |
| 54 | SV * mask |
| 55 | PPCODE: |
| 56 | STRLEN len; |
| 57 | char *maskstr = SvPV(mask, len); |
| 58 | int i; |
| 59 | if (maxo != len) |
| 60 | croak("Bad mask length"); |
| 61 | for (i = 0; i < maxo; i++) |
| 62 | if (maskstr[i]) |
| 63 | XPUSHs(sv_2mortal(newSVpv(op_name[i], 0))); |
| 64 | |
| 65 | void |
| 66 | ops_to_mask(...) |
| 67 | CODE: |
| 68 | int i, j; |
| a5f75d66 |
69 | char mask[OP_MASK_BUF_SIZE], *op; |
| 70 | Zero(mask, sizeof mask, char); |
| cb1a09d0 |
71 | for (i = 0; i < items; i++) |
| 72 | { |
| 73 | op = SvPV(ST(i), na); |
| 74 | for (j = 0; j < maxo && strNE(op, op_name[j]); j++) /* nothing */ ; |
| 75 | if (j < maxo) |
| 76 | mask[j] = 1; |
| 77 | else |
| 78 | { |
| 79 | Safefree(mask); |
| 80 | croak("bad op name \"%s\" in mask", op); |
| 81 | } |
| 82 | } |
| a5f75d66 |
83 | ST(0) = sv_2mortal(newSVpv(mask,maxo)); |
| cb1a09d0 |
84 | |
| 85 | void |
| 86 | opname(...) |
| 87 | PPCODE: |
| b77fae65 |
88 | int i, myopcode; |
| cb1a09d0 |
89 | for (i = 0; i < items; i++) |
| 90 | { |
| b77fae65 |
91 | myopcode = SvIV(ST(i)); |
| 92 | if (myopcode < 0 || myopcode >= maxo) |
| cb1a09d0 |
93 | croak("opcode out of range"); |
| b77fae65 |
94 | XPUSHs(sv_2mortal(newSVpv(op_name[myopcode], 0))); |
| cb1a09d0 |
95 | } |
| 96 | |
| 97 | void |
| c07a80fd |
98 | opdesc(...) |
| 99 | PPCODE: |
| 100 | int i, myopcode; |
| 101 | for (i = 0; i < items; i++) |
| 102 | { |
| 103 | myopcode = SvIV(ST(i)); |
| 104 | if (myopcode < 0 || myopcode >= maxo) |
| 105 | croak("opcode out of range"); |
| 106 | XPUSHs(sv_2mortal(newSVpv(op_desc[myopcode], 0))); |
| 107 | } |
| 108 | |
| 109 | void |
| cb1a09d0 |
110 | opcode(...) |
| 111 | PPCODE: |
| 112 | int i, j; |
| 113 | char *op; |
| 114 | for (i = 0; i < items; i++) |
| 115 | { |
| 116 | op = SvPV(ST(i), na); |
| c07a80fd |
117 | for (j = 0; j < maxo; j++) { |
| 118 | if (strEQ(op, op_name[j]) || strEQ(op, op_desc[j])) |
| 119 | break; |
| 120 | } |
| cb1a09d0 |
121 | if (j == maxo) |
| 122 | croak("bad op name \"%s\"", op); |
| 123 | XPUSHs(sv_2mortal(newSViv(j))); |
| 124 | } |
| 125 | |
| 126 | int |
| 127 | MAXO() |
| 128 | CODE: |
| 129 | RETVAL = maxo; |
| 130 | OUTPUT: |
| 131 | RETVAL |
projects / p5sagit/p5-mst-13.2.git / blame