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root |
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/* cc_runtime.h |
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* |
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* Copyright (C) 1999, 2000, 2001, by Larry Wall and others |
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* |
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* You may distribute under the terms of either the GNU General Public |
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* License or the Artistic License, as specified in the README file. |
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* |
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*/ |
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#define DOOP(ppname) PUTBACK; PL_op = ppname(aTHX); SPAGAIN |
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#define CCPP(s) OP * s(pTHX) |
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#define PP_LIST(g) do { \ |
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dMARK; \ |
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if (g != G_ARRAY) { \ |
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if (++MARK <= SP) \ |
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*MARK = *SP; \ |
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else \ |
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*MARK = &PL_sv_undef; \ |
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SP = MARK; \ |
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} \ |
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} while (0) |
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#define MAYBE_TAINT_SASSIGN_SRC(sv) \ |
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if (PL_tainting && PL_tainted && (!SvGMAGICAL(left) || !SvSMAGICAL(left) || \ |
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!((mg=mg_find(left, PERL_MAGIC_taint)) && mg->mg_len & 1)))\ |
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TAINT_NOT |
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#define PP_PREINC(sv) do { \ |
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if (SvIOK(sv)) { \ |
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++SvIVX(sv); \ |
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SvFLAGS(sv) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); \ |
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} \ |
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else \ |
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sv_inc(sv); \ |
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SvSETMAGIC(sv); \ |
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} while (0) |
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#define PP_UNSTACK do { \ |
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TAINT_NOT; \ |
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PL_stack_sp = PL_stack_base + cxstack[cxstack_ix].blk_oldsp; \ |
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FREETMPS; \ |
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oldsave = PL_scopestack[PL_scopestack_ix - 1]; \ |
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LEAVE_SCOPE(oldsave); \ |
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SPAGAIN; \ |
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} while(0) |
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/* Anyone using eval "" deserves this mess */ |
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#define PP_EVAL(ppaddr, nxt) do { \ |
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dJMPENV; \ |
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int ret; \ |
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PUTBACK; \ |
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JMPENV_PUSH(ret); \ |
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switch (ret) { \ |
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case 0: \ |
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PL_op = ppaddr(aTHX); \ |
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PL_retstack[PL_retstack_ix - 1] = Nullop; \ |
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if (PL_op != nxt) CALLRUNOPS(); \ |
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JMPENV_POP; \ |
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break; \ |
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case 1: JMPENV_POP; JMPENV_JUMP(1); \ |
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case 2: JMPENV_POP; JMPENV_JUMP(2); \ |
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case 3: \ |
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JMPENV_POP; \ |
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if (PL_restartop && PL_restartop != nxt) \ |
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JMPENV_JUMP(3); \ |
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} \ |
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PL_op = nxt; \ |
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SPAGAIN; \ |
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} while (0) |
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#define PP_ENTERTRY(jmpbuf,label) \ |
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STMT_START { \ |
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int ret; \ |
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JMPENV_PUSH_ENV(jmpbuf,ret); \ |
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switch (ret) { \ |
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case 1: JMPENV_POP_ENV(jmpbuf); JMPENV_JUMP(1);\ |
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case 2: JMPENV_POP_ENV(jmpbuf); JMPENV_JUMP(2);\ |
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case 3: JMPENV_POP_ENV(jmpbuf); SPAGAIN; goto label;\ |
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} \ |
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} STMT_END |
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#define PP_LEAVETRY \ |
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STMT_START{ PL_top_env=PL_top_env->je_prev; }STMT_END |
