| 1 | /* cc_runtime.h |
| 2 | * |
| 3 | * Copyright (C) 1999, 2000, 2001, 2004, 2006, 2008 by Larry Wall and others |
| 4 | * |
| 5 | * You may distribute under the terms of either the GNU General Public |
| 6 | * License or the Artistic License, as specified in the README file. |
| 7 | * |
| 8 | */ |
| 9 | |
| 10 | #define DOOP(ppname) PUTBACK; PL_op = ppname(aTHX); SPAGAIN |
| 11 | #define CCPP(s) OP * s(pTHX) |
| 12 | |
| 13 | #define PP_LIST(g) do { \ |
| 14 | dMARK; \ |
| 15 | if (g != G_ARRAY) { \ |
| 16 | if (++MARK <= SP) \ |
| 17 | *MARK = *SP; \ |
| 18 | else \ |
| 19 | *MARK = &PL_sv_undef; \ |
| 20 | SP = MARK; \ |
| 21 | } \ |
| 22 | } while (0) |
| 23 | |
| 24 | #define MAYBE_TAINT_SASSIGN_SRC(sv) \ |
| 25 | if (PL_tainting && PL_tainted && (!SvGMAGICAL(left) || !SvSMAGICAL(left) || \ |
| 26 | !((mg=mg_find(left, PERL_MAGIC_taint)) && mg->mg_len & 1)))\ |
| 27 | TAINT_NOT |
| 28 | |
| 29 | #define PP_PREINC(sv) do { \ |
| 30 | if (SvIOK(sv)) { \ |
| 31 | ++SvIVX(sv); \ |
| 32 | SvFLAGS(sv) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); \ |
| 33 | } \ |
| 34 | else \ |
| 35 | sv_inc(sv); \ |
| 36 | SvSETMAGIC(sv); \ |
| 37 | } while (0) |
| 38 | |
| 39 | #define PP_UNSTACK do { \ |
| 40 | TAINT_NOT; \ |
| 41 | PL_stack_sp = PL_stack_base + cxstack[cxstack_ix].blk_oldsp; \ |
| 42 | FREETMPS; \ |
| 43 | oldsave = PL_scopestack[PL_scopestack_ix - 1]; \ |
| 44 | LEAVE_SCOPE(oldsave); \ |
| 45 | SPAGAIN; \ |
| 46 | } while(0) |
| 47 | |
| 48 | /* Anyone using eval "" deserves this mess */ |
| 49 | #define PP_EVAL(ppaddr, nxt) do { \ |
| 50 | dJMPENV; \ |
| 51 | int ret; \ |
| 52 | PUTBACK; \ |
| 53 | JMPENV_PUSH(ret); \ |
| 54 | switch (ret) { \ |
| 55 | case 0: \ |
| 56 | PL_op = ppaddr(aTHX); \ |
| 57 | cxstack[cxstack_ix].blk_eval.retop = Nullop; \ |
| 58 | if (PL_op != nxt) CALLRUNOPS(aTHX); \ |
| 59 | JMPENV_POP; \ |
| 60 | break; \ |
| 61 | case 1: JMPENV_POP; JMPENV_JUMP(1); \ |
| 62 | case 2: JMPENV_POP; JMPENV_JUMP(2); \ |
| 63 | case 3: \ |
| 64 | JMPENV_POP; \ |
| 65 | if (PL_restartop && PL_restartop != nxt) \ |
| 66 | JMPENV_JUMP(3); \ |
| 67 | } \ |
| 68 | PL_op = nxt; \ |
| 69 | SPAGAIN; \ |
| 70 | } while (0) |
| 71 | |
| 72 | #define PP_ENTERTRY(label) \ |
| 73 | STMT_START { \ |
| 74 | dJMPENV; \ |
| 75 | int ret; \ |
| 76 | JMPENV_PUSH(ret); \ |
| 77 | switch (ret) { \ |
| 78 | case 1: JMPENV_POP; JMPENV_JUMP(1);\ |
| 79 | case 2: JMPENV_POP; JMPENV_JUMP(2);\ |
| 80 | case 3: JMPENV_POP; SPAGAIN; goto label;\ |
| 81 | } \ |
| 82 | } STMT_END |
| 83 | |
| 84 | #define PP_LEAVETRY \ |
| 85 | STMT_START{ PL_top_env=PL_top_env->je_prev; }STMT_END |