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