1 /* cc_runtime.h 2 * 3 * Copyright (C) 1999, 2000, 2001, 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 PL_retstack[PL_retstack_ix - 1] = Nullop; \ 58 if (PL_op != nxt) CALLRUNOPS(); \ 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 73 #define PP_ENTERTRY(jmpbuf,label) \ 74 STMT_START { \ 75 int ret; \ 76 JMPENV_PUSH_ENV(jmpbuf,ret); \ 77 switch (ret) { \ 78 case 1: JMPENV_POP_ENV(jmpbuf); JMPENV_JUMP(1);\ 79 case 2: JMPENV_POP_ENV(jmpbuf); JMPENV_JUMP(2);\ 80 case 3: JMPENV_POP_ENV(jmpbuf); SPAGAIN; goto label;\ 81 } \ 82 } STMT_END 83 #define PP_LEAVETRY \ 84 STMT_START{ PL_top_env=PL_top_env->je_prev; }STMT_END 85