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1 | /* cc_runtime.h |
2 | * |
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3 | * Copyright (c) 1998-2002, Larry Wall |
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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 | |
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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 | |
13 | #define PP_LIST(g) do { \ |
14 | dMARK; \ |
15 | if (g != G_ARRAY) { \ |
16 | if (++MARK <= SP) \ |
17 | *MARK = *SP; \ |
18 | else \ |
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19 | *MARK = &PL_sv_undef; \ |
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20 | SP = MARK; \ |
21 | } \ |
22 | } while (0) |
23 | |
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 |
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; \ |
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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); \ |
45 | SPAGAIN; \ |
46 | } while(0) |
47 | |
48 | /* Anyone using eval "" deserves this mess */ |
49 | #define PP_EVAL(ppaddr, nxt) do { \ |
50 | dJMPENV; \ |
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51 | int ret; \ |
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52 | PUTBACK; \ |
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53 | JMPENV_PUSH(ret); \ |
54 | switch (ret) { \ |
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; \ |
60 | break; \ |
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61 | case 1: JMPENV_POP; JMPENV_JUMP(1); \ |
62 | case 2: JMPENV_POP; JMPENV_JUMP(2); \ |
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; \ |
70 | } while (0) |
71 | |
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72 | |
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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 |