X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=pp_ctl.c;h=46a900a9c366a413369da17ccf4d1a1973489bdc;hb=1ed8eac0dfbbdc6acb022ff1733a2473c102328b;hp=032be2e33dcfd2d44bcd2c0e5492031380b986b6;hpb=0064a8a9866779dceb087452b9bfaa733c51adce;p=p5sagit%2Fp5-mst-13.2.git diff --git a/pp_ctl.c b/pp_ctl.c index 032be2e..46a900a 100644 --- a/pp_ctl.c +++ b/pp_ctl.c @@ -26,24 +26,7 @@ #define DOCATCH(o) ((CATCH_GET == TRUE) ? docatch(o) : (o)) -static I32 sortcv(pTHXo_ SV *a, SV *b); -static I32 sortcv_stacked(pTHXo_ SV *a, SV *b); -static I32 sortcv_xsub(pTHXo_ SV *a, SV *b); -static I32 sv_ncmp(pTHXo_ SV *a, SV *b); -static I32 sv_i_ncmp(pTHXo_ SV *a, SV *b); -static I32 amagic_ncmp(pTHXo_ SV *a, SV *b); -static I32 amagic_i_ncmp(pTHXo_ SV *a, SV *b); -static I32 amagic_cmp(pTHXo_ SV *a, SV *b); -static I32 amagic_cmp_locale(pTHXo_ SV *a, SV *b); -static I32 run_user_filter(pTHXo_ int idx, SV *buf_sv, int maxlen); - -#ifdef PERL_OBJECT -static I32 sv_cmp_static(pTHXo_ SV *a, SV *b); -static I32 sv_cmp_locale_static(pTHXo_ SV *a, SV *b); -#else -#define sv_cmp_static Perl_sv_cmp -#define sv_cmp_locale_static Perl_sv_cmp_locale -#endif +static I32 run_user_filter(pTHX_ int idx, SV *buf_sv, int maxlen); PP(pp_wantarray) { @@ -86,8 +69,15 @@ PP(pp_regcomp) SV *tmpstr; STRLEN len; MAGIC *mg = Null(MAGIC*); - + tmpstr = POPs; + + /* prevent recompiling under /o and ithreads. */ +#if defined(USE_ITHREADS) || defined(USE_5005THREADS) + if (pm->op_pmflags & PMf_KEEP && PM_GETRE(pm)) + RETURN; +#endif + if (SvROK(tmpstr)) { SV *sv = SvRV(tmpstr); if(SvMAGICAL(sv)) @@ -95,20 +85,20 @@ PP(pp_regcomp) } if (mg) { regexp *re = (regexp *)mg->mg_obj; - ReREFCNT_dec(pm->op_pmregexp); - pm->op_pmregexp = ReREFCNT_inc(re); + ReREFCNT_dec(PM_GETRE(pm)); + PM_SETRE(pm, ReREFCNT_inc(re)); } else { t = SvPV(tmpstr, len); /* Check against the last compiled regexp. */ - if (!pm->op_pmregexp || !pm->op_pmregexp->precomp || - pm->op_pmregexp->prelen != len || - memNE(pm->op_pmregexp->precomp, t, len)) + if (!PM_GETRE(pm) || !PM_GETRE(pm)->precomp || + PM_GETRE(pm)->prelen != len || + memNE(PM_GETRE(pm)->precomp, t, len)) { - if (pm->op_pmregexp) { - ReREFCNT_dec(pm->op_pmregexp); - pm->op_pmregexp = Null(REGEXP*); /* crucial if regcomp aborts */ + if (PM_GETRE(pm)) { + ReREFCNT_dec(PM_GETRE(pm)); + PM_SETRE(pm, Null(REGEXP*)); /* crucial if regcomp aborts */ } if (PL_op->op_flags & OPf_SPECIAL) PL_reginterp_cnt = I32_MAX; /* Mark as safe. */ @@ -121,7 +111,7 @@ PP(pp_regcomp) if (pm->op_pmdynflags & PMdf_UTF8) t = (char*)bytes_to_utf8((U8*)t, &len); } - pm->op_pmregexp = CALLREGCOMP(aTHX_ t, t + len, pm); + PM_SETRE(pm, CALLREGCOMP(aTHX_ t, t + len, pm)); if (!DO_UTF8(tmpstr) && (pm->op_pmdynflags & PMdf_UTF8)) Safefree(t); PL_reginterp_cnt = 0; /* XXXX Be extra paranoid - needed @@ -138,15 +128,17 @@ PP(pp_regcomp) } #endif - if (!pm->op_pmregexp->prelen && PL_curpm) + if (!PM_GETRE(pm)->prelen && PL_curpm) pm = PL_curpm; - else if (strEQ("\\s+", pm->op_pmregexp->precomp)) + else if (strEQ("\\s+", PM_GETRE(pm)->precomp)) pm->op_pmflags |= PMf_WHITE; + else + pm->op_pmflags &= ~PMf_WHITE; /* XXX runtime compiled output needs to move to the pad */ if (pm->op_pmflags & PMf_KEEP) { pm->op_private &= ~OPpRUNTIME; /* no point compiling again */ -#if !defined(USE_ITHREADS) && !defined(USE_THREADS) +#if !defined(USE_ITHREADS) && !defined(USE_5005THREADS) /* XXX can't change the optree at runtime either */ cLOGOP->op_first->op_next = PL_op->op_next; #endif @@ -168,6 +160,7 @@ PP(pp_substcont) rxres_restore(&cx->sb_rxres, rx); if (cx->sb_iters++) { + I32 saviters = cx->sb_iters; if (cx->sb_iters > cx->sb_maxiters) DIE(aTHX_ "Substitution loop"); @@ -209,6 +202,7 @@ PP(pp_substcont) POPSUBST(cx); RETURNOP(pm->op_next); } + cx->sb_iters = saviters; } if (RX_MATCH_COPIED(rx) && rx->subbeg != orig) { m = s; @@ -373,7 +367,7 @@ PP(pp_formline) PerlIO_printf(Perl_debug_log, "%-16s%ld\n", name, (long) arg); else PerlIO_printf(Perl_debug_log, "%-16s\n", name); - } ) + } ); switch (*fpc++) { case FF_LINEMARK: linemark = t; @@ -771,7 +765,7 @@ PP(pp_grepstart) ENTER; /* enter outer scope */ SAVETMPS; - /* SAVE_DEFSV does *not* suffice here for USE_THREADS */ + /* SAVE_DEFSV does *not* suffice here for USE_5005THREADS */ SAVESPTR(DEFSV); ENTER; /* enter inner scope */ SAVEVPTR(PL_curpm); @@ -879,179 +873,6 @@ PP(pp_mapwhile) } } -PP(pp_sort) -{ - dSP; dMARK; dORIGMARK; - register SV **up; - SV **myorigmark = ORIGMARK; - register I32 max; - HV *stash; - GV *gv; - CV *cv = 0; - I32 gimme = GIMME; - OP* nextop = PL_op->op_next; - I32 overloading = 0; - bool hasargs = FALSE; - I32 is_xsub = 0; - - if (gimme != G_ARRAY) { - SP = MARK; - RETPUSHUNDEF; - } - - ENTER; - SAVEVPTR(PL_sortcop); - if (PL_op->op_flags & OPf_STACKED) { - if (PL_op->op_flags & OPf_SPECIAL) { - OP *kid = cLISTOP->op_first->op_sibling; /* pass pushmark */ - kid = kUNOP->op_first; /* pass rv2gv */ - kid = kUNOP->op_first; /* pass leave */ - PL_sortcop = kid->op_next; - stash = CopSTASH(PL_curcop); - } - else { - cv = sv_2cv(*++MARK, &stash, &gv, 0); - if (cv && SvPOK(cv)) { - STRLEN n_a; - char *proto = SvPV((SV*)cv, n_a); - if (proto && strEQ(proto, "$$")) { - hasargs = TRUE; - } - } - if (!(cv && CvROOT(cv))) { - if (cv && CvXSUB(cv)) { - is_xsub = 1; - } - else if (gv) { - SV *tmpstr = sv_newmortal(); - gv_efullname3(tmpstr, gv, Nullch); - DIE(aTHX_ "Undefined sort subroutine \"%s\" called", - SvPVX(tmpstr)); - } - else { - DIE(aTHX_ "Undefined subroutine in sort"); - } - } - - if (is_xsub) - PL_sortcop = (OP*)cv; - else { - PL_sortcop = CvSTART(cv); - SAVEVPTR(CvROOT(cv)->op_ppaddr); - CvROOT(cv)->op_ppaddr = PL_ppaddr[OP_NULL]; - - SAVEVPTR(PL_curpad); - PL_curpad = AvARRAY((AV*)AvARRAY(CvPADLIST(cv))[1]); - } - } - } - else { - PL_sortcop = Nullop; - stash = CopSTASH(PL_curcop); - } - - up = myorigmark + 1; - while (MARK < SP) { /* This may or may not shift down one here. */ - /*SUPPRESS 560*/ - if ((*up = *++MARK)) { /* Weed out nulls. */ - SvTEMP_off(*up); - if (!PL_sortcop && !SvPOK(*up)) { - STRLEN n_a; - if (SvAMAGIC(*up)) - overloading = 1; - else - (void)sv_2pv(*up, &n_a); - } - up++; - } - } - max = --up - myorigmark; - if (PL_sortcop) { - if (max > 1) { - PERL_CONTEXT *cx; - SV** newsp; - bool oldcatch = CATCH_GET; - - SAVETMPS; - SAVEOP(); - - CATCH_SET(TRUE); - PUSHSTACKi(PERLSI_SORT); - if (!hasargs && !is_xsub) { - if (PL_sortstash != stash || !PL_firstgv || !PL_secondgv) { - SAVESPTR(PL_firstgv); - SAVESPTR(PL_secondgv); - PL_firstgv = gv_fetchpv("a", TRUE, SVt_PV); - PL_secondgv = gv_fetchpv("b", TRUE, SVt_PV); - PL_sortstash = stash; - } -#ifdef USE_THREADS - sv_lock((SV *)PL_firstgv); - sv_lock((SV *)PL_secondgv); -#endif - SAVESPTR(GvSV(PL_firstgv)); - SAVESPTR(GvSV(PL_secondgv)); - } - - PUSHBLOCK(cx, CXt_NULL, PL_stack_base); - if (!(PL_op->op_flags & OPf_SPECIAL)) { - cx->cx_type = CXt_SUB; - cx->blk_gimme = G_SCALAR; - PUSHSUB(cx); - if (!CvDEPTH(cv)) - (void)SvREFCNT_inc(cv); /* in preparation for POPSUB */ - } - PL_sortcxix = cxstack_ix; - - if (hasargs && !is_xsub) { - /* This is mostly copied from pp_entersub */ - AV *av = (AV*)PL_curpad[0]; - -#ifndef USE_THREADS - cx->blk_sub.savearray = GvAV(PL_defgv); - GvAV(PL_defgv) = (AV*)SvREFCNT_inc(av); -#endif /* USE_THREADS */ - cx->blk_sub.oldcurpad = PL_curpad; - cx->blk_sub.argarray = av; - } - qsortsv((myorigmark+1), max, - is_xsub ? sortcv_xsub : hasargs ? sortcv_stacked : sortcv); - - POPBLOCK(cx,PL_curpm); - PL_stack_sp = newsp; - POPSTACK; - CATCH_SET(oldcatch); - } - } - else { - if (max > 1) { - MEXTEND(SP, 20); /* Can't afford stack realloc on signal. */ - qsortsv(ORIGMARK+1, max, - (PL_op->op_private & OPpSORT_NUMERIC) - ? ( (PL_op->op_private & OPpSORT_INTEGER) - ? ( overloading ? amagic_i_ncmp : sv_i_ncmp) - : ( overloading ? amagic_ncmp : sv_ncmp)) - : ( (PL_op->op_private & OPpLOCALE) - ? ( overloading - ? amagic_cmp_locale - : sv_cmp_locale_static) - : ( overloading ? amagic_cmp : sv_cmp_static))); - if (PL_op->op_private & OPpSORT_REVERSE) { - SV **p = ORIGMARK+1; - SV **q = ORIGMARK+max; - while (p < q) { - SV *tmp = *p; - *p++ = *q; - *q-- = tmp; - } - } - } - } - LEAVE; - PL_stack_sp = ORIGMARK + max; - return nextop; -} - /* Range stuff. */ PP(pp_range) @@ -1186,27 +1007,27 @@ S_dopoptolabel(pTHX_ char *label) case CXt_SUBST: if (ckWARN(WARN_EXITING)) Perl_warner(aTHX_ WARN_EXITING, "Exiting substitution via %s", - PL_op_name[PL_op->op_type]); + OP_NAME(PL_op)); break; case CXt_SUB: if (ckWARN(WARN_EXITING)) Perl_warner(aTHX_ WARN_EXITING, "Exiting subroutine via %s", - PL_op_name[PL_op->op_type]); + OP_NAME(PL_op)); break; case CXt_FORMAT: if (ckWARN(WARN_EXITING)) Perl_warner(aTHX_ WARN_EXITING, "Exiting format via %s", - PL_op_name[PL_op->op_type]); + OP_NAME(PL_op)); break; case CXt_EVAL: if (ckWARN(WARN_EXITING)) Perl_warner(aTHX_ WARN_EXITING, "Exiting eval via %s", - PL_op_name[PL_op->op_type]); + OP_NAME(PL_op)); break; case CXt_NULL: if (ckWARN(WARN_EXITING)) Perl_warner(aTHX_ WARN_EXITING, "Exiting pseudo-block via %s", - PL_op_name[PL_op->op_type]); + OP_NAME(PL_op)); return -1; case CXt_LOOP: if (!cx->blk_loop.label || @@ -1321,27 +1142,27 @@ S_dopoptoloop(pTHX_ I32 startingblock) case CXt_SUBST: if (ckWARN(WARN_EXITING)) Perl_warner(aTHX_ WARN_EXITING, "Exiting substitution via %s", - PL_op_name[PL_op->op_type]); + OP_NAME(PL_op)); break; case CXt_SUB: if (ckWARN(WARN_EXITING)) Perl_warner(aTHX_ WARN_EXITING, "Exiting subroutine via %s", - PL_op_name[PL_op->op_type]); + OP_NAME(PL_op)); break; case CXt_FORMAT: if (ckWARN(WARN_EXITING)) Perl_warner(aTHX_ WARN_EXITING, "Exiting format via %s", - PL_op_name[PL_op->op_type]); + OP_NAME(PL_op)); break; case CXt_EVAL: if (ckWARN(WARN_EXITING)) Perl_warner(aTHX_ WARN_EXITING, "Exiting eval via %s", - PL_op_name[PL_op->op_type]); + OP_NAME(PL_op)); break; case CXt_NULL: if (ckWARN(WARN_EXITING)) Perl_warner(aTHX_ WARN_EXITING, "Exiting pseudo-block via %s", - PL_op_name[PL_op->op_type]); + OP_NAME(PL_op)); return -1; case CXt_LOOP: DEBUG_l( Perl_deb(aTHX_ "(Found loop #%ld)\n", (long)i)); @@ -1489,7 +1310,7 @@ Perl_die_where(pTHX_ char *message, STRLEN msglen) #endif PerlIO *serr = Perl_error_log; - PerlIO_write(serr, message, msglen); + PERL_WRITE_MSG_TO_CONSOLE(serr, message, msglen); (void)PerlIO_flush(serr); #ifdef USE_SFIO errno = e; @@ -1542,7 +1363,7 @@ PP(pp_caller) if (MAXARG) count = POPi; - EXTEND(SP, 10); + for (;;) { /* we may be in a higher stacklevel, so dig down deeper */ while (cxix < 0 && top_si->si_type != PERLSI_MAIN) { @@ -1551,8 +1372,10 @@ PP(pp_caller) cxix = dopoptosub_at(ccstack, top_si->si_cxix); } if (cxix < 0) { - if (GIMME != G_ARRAY) + if (GIMME != G_ARRAY) { + EXTEND(SP, 1); RETPUSHUNDEF; + } RETURN; } if (PL_DBsub && cxix >= 0 && @@ -1574,6 +1397,7 @@ PP(pp_caller) stashname = CopSTASHPV(cx->blk_oldcop); if (GIMME != G_ARRAY) { + EXTEND(SP, 1); if (!stashname) PUSHs(&PL_sv_undef); else { @@ -1584,6 +1408,8 @@ PP(pp_caller) RETURN; } + EXTEND(SP, 10); + if (!stashname) PUSHs(&PL_sv_undef); else @@ -1756,21 +1582,21 @@ PP(pp_enteriter) ENTER; SAVETMPS; -#ifdef USE_THREADS +#ifdef USE_5005THREADS if (PL_op->op_flags & OPf_SPECIAL) { svp = &THREADSV(PL_op->op_targ); /* per-thread variable */ SAVEGENERICSV(*svp); *svp = NEWSV(0,0); } else -#endif /* USE_THREADS */ +#endif /* USE_5005THREADS */ if (PL_op->op_targ) { #ifndef USE_ITHREADS svp = &PL_curpad[PL_op->op_targ]; /* "my" variable */ SAVESPTR(*svp); #else SAVEPADSV(PL_op->op_targ); - iterdata = (void*)PL_op->op_targ; + iterdata = INT2PTR(void*, PL_op->op_targ); cxtype |= CXp_PADVAR; #endif } @@ -2128,7 +1954,7 @@ PP(pp_redo) STATIC OP * S_dofindlabel(pTHX_ OP *o, char *label, OP **opstack, OP **oplimit) { - OP *kid; + OP *kid = Nullop; OP **ops = opstack; static char too_deep[] = "Target of goto is too deeply nested"; @@ -2238,10 +2064,10 @@ PP(pp_goto) EXTEND(PL_stack_sp, items); /* @_ could have been extended. */ Copy(AvARRAY(av), PL_stack_sp, items, SV*); PL_stack_sp += items; -#ifndef USE_THREADS +#ifndef USE_5005THREADS SvREFCNT_dec(GvAV(PL_defgv)); GvAV(PL_defgv) = cx->blk_sub.savearray; -#endif /* USE_THREADS */ +#endif /* USE_5005THREADS */ /* abandon @_ if it got reified */ if (AvREAL(av)) { (void)sv_2mortal((SV*)av); /* delay until return */ @@ -2253,7 +2079,7 @@ PP(pp_goto) } else if (CvXSUB(cv)) { /* put GvAV(defgv) back onto stack */ AV* av; -#ifdef USE_THREADS +#ifdef USE_5005THREADS av = (AV*)PL_curpad[0]; #else av = GvAV(PL_defgv); @@ -2295,7 +2121,7 @@ PP(pp_goto) PL_stack_sp--; /* There is no cv arg. */ /* Push a mark for the start of arglist */ PUSHMARK(mark); - (void)(*CvXSUB(cv))(aTHXo_ cv); + (void)(*CvXSUB(cv))(aTHX_ cv); /* Pop the current context like a decent sub should */ POPBLOCK(cx, PL_curpm); /* Do _not_ use PUTBACK, keep the XSUB's return stack! */ @@ -2365,7 +2191,7 @@ PP(pp_goto) svp = AvARRAY(padlist); } } -#ifdef USE_THREADS +#ifdef USE_5005THREADS if (!cx->blk_sub.hasargs) { AV* av = (AV*)PL_curpad[0]; @@ -2378,20 +2204,20 @@ PP(pp_goto) PUTBACK ; } } -#endif /* USE_THREADS */ +#endif /* USE_5005THREADS */ SAVEVPTR(PL_curpad); PL_curpad = AvARRAY((AV*)svp[CvDEPTH(cv)]); -#ifndef USE_THREADS +#ifndef USE_5005THREADS if (cx->blk_sub.hasargs) -#endif /* USE_THREADS */ +#endif /* USE_5005THREADS */ { AV* av = (AV*)PL_curpad[0]; SV** ary; -#ifndef USE_THREADS +#ifndef USE_5005THREADS cx->blk_sub.savearray = GvAV(PL_defgv); GvAV(PL_defgv) = (AV*)SvREFCNT_inc(av); -#endif /* USE_THREADS */ +#endif /* USE_5005THREADS */ cx->blk_sub.oldcurpad = PL_curpad; cx->blk_sub.argarray = av; ++mark; @@ -2582,6 +2408,7 @@ PP(pp_exit) #ifdef VMS if (anum == 1 && (PL_op->op_private & OPpEXIT_VMSISH)) anum = 0; + VMSISH_HUSHED = VMSISH_HUSHED || (PL_op->op_private & OPpHUSH_VMSISH); #endif } PL_exit_flags |= PERL_EXIT_EXPECTED; @@ -2791,7 +2618,7 @@ Perl_sv_compile_2op(pTHX_ SV *sv, OP** startop, char *code, AV** avp) return rop; } -/* With USE_THREADS, eval_owner must be held on entry to doeval */ +/* With USE_5005THREADS, eval_owner must be held on entry to doeval */ STATIC OP * S_doeval(pTHX_ int gimme, OP** startop) { @@ -2832,11 +2659,14 @@ S_doeval(pTHX_ int gimme, OP** startop) PL_compcv = (CV*)NEWSV(1104,0); sv_upgrade((SV *)PL_compcv, SVt_PVCV); CvEVAL_on(PL_compcv); -#ifdef USE_THREADS + assert(CxTYPE(&cxstack[cxstack_ix]) == CXt_EVAL); + cxstack[cxstack_ix].blk_eval.cv = PL_compcv; + +#ifdef USE_5005THREADS CvOWNER(PL_compcv) = 0; New(666, CvMUTEXP(PL_compcv), 1, perl_mutex); MUTEX_INIT(CvMUTEXP(PL_compcv)); -#endif /* USE_THREADS */ +#endif /* USE_5005THREADS */ PL_comppad = newAV(); av_push(PL_comppad, Nullsv); @@ -2845,11 +2675,11 @@ S_doeval(pTHX_ int gimme, OP** startop) PL_comppad_name_fill = 0; PL_min_intro_pending = 0; PL_padix = 0; -#ifdef USE_THREADS +#ifdef USE_5005THREADS av_store(PL_comppad_name, 0, newSVpvn("@_", 2)); PL_curpad[0] = (SV*)newAV(); SvPADMY_on(PL_curpad[0]); /* XXX Needed? */ -#endif /* USE_THREADS */ +#endif /* USE_5005THREADS */ comppadlist = newAV(); AvREAL_off(comppadlist); @@ -2882,8 +2712,6 @@ S_doeval(pTHX_ int gimme, OP** startop) PL_error_count = 0; PL_curcop = &PL_compiling; PL_curcop->cop_arybase = 0; - SvREFCNT_dec(PL_rs); - PL_rs = newSVpvn("\n", 1); if (saveop && saveop->op_flags & OPf_SPECIAL) PL_in_eval |= EVAL_KEEPERR; else @@ -2921,18 +2749,14 @@ S_doeval(pTHX_ int gimme, OP** startop) Perl_croak(aTHX_ "%sCompilation failed in regexp", (*msg ? msg : "Unknown error\n")); } - SvREFCNT_dec(PL_rs); - PL_rs = SvREFCNT_inc(PL_nrs); -#ifdef USE_THREADS +#ifdef USE_5005THREADS MUTEX_LOCK(&PL_eval_mutex); PL_eval_owner = 0; COND_SIGNAL(&PL_eval_cond); MUTEX_UNLOCK(&PL_eval_mutex); -#endif /* USE_THREADS */ +#endif /* USE_5005THREADS */ RETPUSHUNDEF; } - SvREFCNT_dec(PL_rs); - PL_rs = SvREFCNT_inc(PL_nrs); CopLINE_set(&PL_compiling, 0); if (startop) { *startop = PL_eval_root; @@ -2967,12 +2791,12 @@ S_doeval(pTHX_ int gimme, OP** startop) SP = PL_stack_base + POPMARK; /* pop original mark */ PL_op = saveop; /* The caller may need it. */ PL_lex_state = LEX_NOTPARSING; /* $^S needs this. */ -#ifdef USE_THREADS +#ifdef USE_5005THREADS MUTEX_LOCK(&PL_eval_mutex); PL_eval_owner = 0; COND_SIGNAL(&PL_eval_cond); MUTEX_UNLOCK(&PL_eval_mutex); -#endif /* USE_THREADS */ +#endif /* USE_5005THREADS */ RETURNOP(PL_eval_start); } @@ -3026,6 +2850,9 @@ PP(pp_require) GV *filter_child_proc = 0; SV *filter_state = 0; SV *filter_sub = 0; + SV *hook_sv = 0; + SV *encoding; + OP *op; sv = POPs; if (SvNIOKp(sv)) { @@ -3054,6 +2881,9 @@ PP(pp_require) "v%d.%d.%d, stopped", rev, ver, sver, PERL_REVISION, PERL_VERSION, PERL_SUBVERSION); } + if (ckWARN(WARN_PORTABLE)) + Perl_warner(aTHX_ WARN_PORTABLE, + "v-string in use/require non-portable"); RETPUSHYES; } else if (!SvPOKp(sv)) { /* require 5.005_03 */ @@ -3072,7 +2902,7 @@ PP(pp_require) if (sver == 0 && (rev > 5 || (rev == 5 && ver >= 100))) { DIE(aTHX_ "Perl v%"UVuf".%"UVuf".%"UVuf" required--" "this is only v%d.%d.%d, stopped" - " (did you mean v%"UVuf".%"UVuf".0?)", + " (did you mean v%"UVuf".%03"UVuf"?)", rev, ver, sver, PERL_REVISION, PERL_VERSION, PERL_SUBVERSION, rev, ver/100); } @@ -3136,12 +2966,14 @@ trylocal: { int count; SV *loader = dirsv; - if (SvTYPE(SvRV(loader)) == SVt_PVAV) { + if (SvTYPE(SvRV(loader)) == SVt_PVAV + && !sv_isobject(loader)) + { loader = *av_fetch((AV *)SvRV(loader), 0, TRUE); } Perl_sv_setpvf(aTHX_ namesv, "/loader/0x%"UVxf"/%s", - PTR2UV(SvANY(loader)), name); + PTR2UV(SvRV(dirsv)), name); tryname = SvPVX(namesv); tryrsfp = 0; @@ -3222,6 +3054,7 @@ trylocal: { LEAVE; if (tryrsfp) { + hook_sv = dirsv; break; } @@ -3310,8 +3143,14 @@ trylocal: { SETERRNO(0, SS$_NORMAL); /* Assume success here to prevent recursive requirement. */ - (void)hv_store(GvHVn(PL_incgv), name, strlen(name), - newSVpv(CopFILE(&PL_compiling), 0), 0 ); + len = strlen(name); + /* Check whether a hook in @INC has already filled %INC */ + if (!hook_sv || !(svp = hv_fetch(GvHVn(PL_incgv), name, len, 0))) { + (void)hv_store(GvHVn(PL_incgv), name, len, + (hook_sv ? SvREFCNT_inc(hook_sv) + : newSVpv(CopFILE(&PL_compiling), 0)), + 0 ); + } ENTER; SAVETMPS; @@ -3349,15 +3188,25 @@ trylocal: { CopLINE_set(&PL_compiling, 0); PUTBACK; -#ifdef USE_THREADS +#ifdef USE_5005THREADS MUTEX_LOCK(&PL_eval_mutex); if (PL_eval_owner && PL_eval_owner != thr) while (PL_eval_owner) COND_WAIT(&PL_eval_cond, &PL_eval_mutex); PL_eval_owner = thr; MUTEX_UNLOCK(&PL_eval_mutex); -#endif /* USE_THREADS */ - return DOCATCH(doeval(gimme, NULL)); +#endif /* USE_5005THREADS */ + + /* Store and reset encoding. */ + encoding = PL_encoding; + PL_encoding = Nullsv; + + op = DOCATCH(doeval(gimme, NULL)); + + /* Restore encoding. */ + PL_encoding = encoding; + + return op; } PP(pp_dofile) @@ -3433,14 +3282,14 @@ PP(pp_entereval) if (PERLDB_LINE && PL_curstash != PL_debstash) save_lines(CopFILEAV(&PL_compiling), PL_linestr); PUTBACK; -#ifdef USE_THREADS +#ifdef USE_5005THREADS MUTEX_LOCK(&PL_eval_mutex); if (PL_eval_owner && PL_eval_owner != thr) while (PL_eval_owner) COND_WAIT(&PL_eval_cond, &PL_eval_mutex); PL_eval_owner = thr; MUTEX_UNLOCK(&PL_eval_mutex); -#endif /* USE_THREADS */ +#endif /* USE_5005THREADS */ ret = doeval(gimme, NULL); if (PERLDB_INTER && was != PL_sub_generation /* Some subs defined here. */ && ret != PL_op->op_next) { /* Successive compilation. */ @@ -3779,593 +3628,8 @@ S_doparseform(pTHX_ SV *sv) SvCOMPILED_on(sv); } -/* - * The mergesort implementation is by Peter M. Mcilroy . - * - * The original code was written in conjunction with BSD Computer Software - * Research Group at University of California, Berkeley. - * - * See also: "Optimistic Merge Sort" (SODA '92) - * - * The integration to Perl is by John P. Linderman . - * - * The code can be distributed under the same terms as Perl itself. - * - */ - -#ifdef TESTHARNESS -#include -typedef void SV; -#define pTHXo_ -#define pTHX_ -#define STATIC -#define New(ID,VAR,N,TYPE) VAR=(TYPE *)malloc((N)*sizeof(TYPE)) -#define Safefree(VAR) free(VAR) -typedef int (*SVCOMPARE_t) (pTHXo_ SV*, SV*); -#endif /* TESTHARNESS */ - -typedef char * aptr; /* pointer for arithmetic on sizes */ -typedef SV * gptr; /* pointers in our lists */ - -/* Binary merge internal sort, with a few special mods -** for the special perl environment it now finds itself in. -** -** Things that were once options have been hotwired -** to values suitable for this use. In particular, we'll always -** initialize looking for natural runs, we'll always produce stable -** output, and we'll always do Peter McIlroy's binary merge. -*/ - -/* Pointer types for arithmetic and storage and convenience casts */ - -#define APTR(P) ((aptr)(P)) -#define GPTP(P) ((gptr *)(P)) -#define GPPP(P) ((gptr **)(P)) - - -/* byte offset from pointer P to (larger) pointer Q */ -#define BYTEOFF(P, Q) (APTR(Q) - APTR(P)) - -#define PSIZE sizeof(gptr) - -/* If PSIZE is power of 2, make PSHIFT that power, if that helps */ - -#ifdef PSHIFT -#define PNELEM(P, Q) (BYTEOFF(P,Q) >> (PSHIFT)) -#define PNBYTE(N) ((N) << (PSHIFT)) -#define PINDEX(P, N) (GPTP(APTR(P) + PNBYTE(N))) -#else -/* Leave optimization to compiler */ -#define PNELEM(P, Q) (GPTP(Q) - GPTP(P)) -#define PNBYTE(N) ((N) * (PSIZE)) -#define PINDEX(P, N) (GPTP(P) + (N)) -#endif - -/* Pointer into other corresponding to pointer into this */ -#define POTHER(P, THIS, OTHER) GPTP(APTR(OTHER) + BYTEOFF(THIS,P)) - -#define FROMTOUPTO(src, dst, lim) do *dst++ = *src++; while(src= 2 * PTHRESH. We only try to form long runs when -** PTHRESH adjacent pairs compare in the same way, suggesting overall order. -** -** Unless otherwise specified, pair pointers address the first of two elements. -** -** b and b+1 are a pair that compare with sense ``sense''. -** b is the ``bottom'' of adjacent pairs that might form a longer run. -** -** p2 parallels b in the list2 array, where runs are defined by -** a pointer chain. -** -** t represents the ``top'' of the adjacent pairs that might extend -** the run beginning at b. Usually, t addresses a pair -** that compares with opposite sense from (b,b+1). -** However, it may also address a singleton element at the end of list1, -** or it may be equal to ``last'', the first element beyond list1. -** -** r addresses the Nth pair following b. If this would be beyond t, -** we back it off to t. Only when r is less than t do we consider the -** run long enough to consider checking. -** -** q addresses a pair such that the pairs at b through q already form a run. -** Often, q will equal b, indicating we only are sure of the pair itself. -** However, a search on the previous cycle may have revealed a longer run, -** so q may be greater than b. -** -** p is used to work back from a candidate r, trying to reach q, -** which would mean b through r would be a run. If we discover such a run, -** we start q at r and try to push it further towards t. -** If b through r is NOT a run, we detect the wrong order at (p-1,p). -** In any event, after the check (if any), we have two main cases. -** -** 1) Short run. b <= q < p <= r <= t. -** b through q is a run (perhaps trivial) -** q through p are uninteresting pairs -** p through r is a run -** -** 2) Long run. b < r <= q < t. -** b through q is a run (of length >= 2 * PTHRESH) -** -** Note that degenerate cases are not only possible, but likely. -** For example, if the pair following b compares with opposite sense, -** then b == q < p == r == t. -*/ - - -static void -dynprep(pTHX_ gptr *list1, gptr *list2, size_t nmemb, SVCOMPARE_t cmp) -{ - int sense; - register gptr *b, *p, *q, *t, *p2; - register gptr c, *last, *r; - gptr *savep; - - b = list1; - last = PINDEX(b, nmemb); - sense = (cmp(aTHX_ *b, *(b+1)) > 0); - for (p2 = list2; b < last; ) { - /* We just started, or just reversed sense. - ** Set t at end of pairs with the prevailing sense. - */ - for (p = b+2, t = p; ++p < last; t = ++p) { - if ((cmp(aTHX_ *t, *p) > 0) != sense) break; - } - q = b; - /* Having laid out the playing field, look for long runs */ - do { - p = r = b + (2 * PTHRESH); - if (r >= t) p = r = t; /* too short to care about */ - else { - while (((cmp(aTHX_ *(p-1), *p) > 0) == sense) && - ((p -= 2) > q)); - if (p <= q) { - /* b through r is a (long) run. - ** Extend it as far as possible. - */ - p = q = r; - while (((p += 2) < t) && - ((cmp(aTHX_ *(p-1), *p) > 0) == sense)) q = p; - r = p = q + 2; /* no simple pairs, no after-run */ - } - } - if (q > b) { /* run of greater than 2 at b */ - savep = p; - p = q += 2; - /* pick up singleton, if possible */ - if ((p == t) && - ((t + 1) == last) && - ((cmp(aTHX_ *(p-1), *p) > 0) == sense)) - savep = r = p = q = last; - p2 = NEXT(p2) = p2 + (p - b); - if (sense) while (b < --p) { - c = *b; - *b++ = *p; - *p = c; - } - p = savep; - } - while (q < p) { /* simple pairs */ - p2 = NEXT(p2) = p2 + 2; - if (sense) { - c = *q++; - *(q-1) = *q; - *q++ = c; - } else q += 2; - } - if (((b = p) == t) && ((t+1) == last)) { - NEXT(p2) = p2 + 1; - b++; - } - q = r; - } while (b < t); - sense = !sense; - } - return; -} - - -/* Overview of bmerge variables: -** -** list1 and list2 address the main and auxiliary arrays. -** They swap identities after each merge pass. -** Base points to the original list1, so we can tell if -** the pointers ended up where they belonged (or must be copied). -** -** When we are merging two lists, f1 and f2 are the next elements -** on the respective lists. l1 and l2 mark the end of the lists. -** tp2 is the current location in the merged list. -** -** p1 records where f1 started. -** After the merge, a new descriptor is built there. -** -** p2 is a ``parallel'' pointer in (what starts as) descriptor space. -** It is used to identify and delimit the runs. -** -** In the heat of determining where q, the greater of the f1/f2 elements, -** belongs in the other list, b, t and p, represent bottom, top and probe -** locations, respectively, in the other list. -** They make convenient temporary pointers in other places. -*/ - -STATIC void -S_qsortsv(pTHX_ gptr *list1, size_t nmemb, SVCOMPARE_t cmp) -{ - int i, run; - int sense; - register gptr *f1, *f2, *t, *b, *p, *tp2, *l1, *l2, *q; - gptr *aux, *list2, *p2, *last; - gptr *base = list1; - gptr *p1; - - if (nmemb <= 1) return; /* sorted trivially */ - New(799,list2,nmemb,gptr); /* allocate auxilliary array */ - aux = list2; - dynprep(aTHX_ list1, list2, nmemb, cmp); - last = PINDEX(list2, nmemb); - while (NEXT(list2) != last) { - /* More than one run remains. Do some merging to reduce runs. */ - l2 = p1 = list1; - for (tp2 = p2 = list2; p2 != last;) { - /* The new first run begins where the old second list ended. - ** Use the p2 ``parallel'' pointer to identify the end of the run. - */ - f1 = l2; - t = NEXT(p2); - f2 = l1 = POTHER(t, list2, list1); - if (t != last) t = NEXT(t); - l2 = POTHER(t, list2, list1); - p2 = t; - while (f1 < l1 && f2 < l2) { - /* If head 1 is larger than head 2, find ALL the elements - ** in list 2 strictly less than head1, write them all, - ** then head 1. Then compare the new heads, and repeat, - ** until one or both lists are exhausted. - ** - ** In all comparisons (after establishing - ** which head to merge) the item to merge - ** (at pointer q) is the first operand of - ** the comparison. When we want to know - ** if ``q is strictly less than the other'', - ** we can't just do - ** cmp(q, other) < 0 - ** because stability demands that we treat equality - ** as high when q comes from l2, and as low when - ** q was from l1. So we ask the question by doing - ** cmp(q, other) <= sense - ** and make sense == 0 when equality should look low, - ** and -1 when equality should look high. - */ - - - if (cmp(aTHX_ *f1, *f2) <= 0) { - q = f2; b = f1; t = l1; - sense = -1; - } else { - q = f1; b = f2; t = l2; - sense = 0; - } - - - /* ramp up - ** - ** Leave t at something strictly - ** greater than q (or at the end of the list), - ** and b at something strictly less than q. - */ - for (i = 1, run = 0 ;;) { - if ((p = PINDEX(b, i)) >= t) { - /* off the end */ - if (((p = PINDEX(t, -1)) > b) && - (cmp(aTHX_ *q, *p) <= sense)) - t = p; - else b = p; - break; - } else if (cmp(aTHX_ *q, *p) <= sense) { - t = p; - break; - } else b = p; - if (++run >= RTHRESH) i += i; - } - - - /* q is known to follow b and must be inserted before t. - ** Increment b, so the range of possibilities is [b,t). - ** Round binary split down, to favor early appearance. - ** Adjust b and t until q belongs just before t. - */ - - b++; - while (b < t) { - p = PINDEX(b, (PNELEM(b, t) - 1) / 2); - if (cmp(aTHX_ *q, *p) <= sense) { - t = p; - } else b = p + 1; - } - - - /* Copy all the strictly low elements */ - - if (q == f1) { - FROMTOUPTO(f2, tp2, t); - *tp2++ = *f1++; - } else { - FROMTOUPTO(f1, tp2, t); - *tp2++ = *f2++; - } - } - - - /* Run out remaining list */ - if (f1 == l1) { - if (f2 < l2) FROMTOUPTO(f2, tp2, l2); - } else FROMTOUPTO(f1, tp2, l1); - p1 = NEXT(p1) = POTHER(tp2, list2, list1); - } - t = list1; - list1 = list2; - list2 = t; - last = PINDEX(list2, nmemb); - } - if (base == list2) { - last = PINDEX(list1, nmemb); - FROMTOUPTO(list1, list2, last); - } - Safefree(aux); - return; -} - - -#ifdef PERL_OBJECT -#undef this -#define this pPerl -#include "XSUB.h" -#endif - - static I32 -sortcv(pTHXo_ SV *a, SV *b) -{ - I32 oldsaveix = PL_savestack_ix; - I32 oldscopeix = PL_scopestack_ix; - I32 result; - GvSV(PL_firstgv) = a; - GvSV(PL_secondgv) = b; - PL_stack_sp = PL_stack_base; - PL_op = PL_sortcop; - CALLRUNOPS(aTHX); - if (PL_stack_sp != PL_stack_base + 1) - Perl_croak(aTHX_ "Sort subroutine didn't return single value"); - if (!SvNIOKp(*PL_stack_sp)) - Perl_croak(aTHX_ "Sort subroutine didn't return a numeric value"); - result = SvIV(*PL_stack_sp); - while (PL_scopestack_ix > oldscopeix) { - LEAVE; - } - leave_scope(oldsaveix); - return result; -} - -static I32 -sortcv_stacked(pTHXo_ SV *a, SV *b) -{ - I32 oldsaveix = PL_savestack_ix; - I32 oldscopeix = PL_scopestack_ix; - I32 result; - AV *av; - -#ifdef USE_THREADS - av = (AV*)PL_curpad[0]; -#else - av = GvAV(PL_defgv); -#endif - - if (AvMAX(av) < 1) { - SV** ary = AvALLOC(av); - if (AvARRAY(av) != ary) { - AvMAX(av) += AvARRAY(av) - AvALLOC(av); - SvPVX(av) = (char*)ary; - } - if (AvMAX(av) < 1) { - AvMAX(av) = 1; - Renew(ary,2,SV*); - SvPVX(av) = (char*)ary; - } - } - AvFILLp(av) = 1; - - AvARRAY(av)[0] = a; - AvARRAY(av)[1] = b; - PL_stack_sp = PL_stack_base; - PL_op = PL_sortcop; - CALLRUNOPS(aTHX); - if (PL_stack_sp != PL_stack_base + 1) - Perl_croak(aTHX_ "Sort subroutine didn't return single value"); - if (!SvNIOKp(*PL_stack_sp)) - Perl_croak(aTHX_ "Sort subroutine didn't return a numeric value"); - result = SvIV(*PL_stack_sp); - while (PL_scopestack_ix > oldscopeix) { - LEAVE; - } - leave_scope(oldsaveix); - return result; -} - -static I32 -sortcv_xsub(pTHXo_ SV *a, SV *b) -{ - dSP; - I32 oldsaveix = PL_savestack_ix; - I32 oldscopeix = PL_scopestack_ix; - I32 result; - CV *cv=(CV*)PL_sortcop; - - SP = PL_stack_base; - PUSHMARK(SP); - EXTEND(SP, 2); - *++SP = a; - *++SP = b; - PUTBACK; - (void)(*CvXSUB(cv))(aTHXo_ cv); - if (PL_stack_sp != PL_stack_base + 1) - Perl_croak(aTHX_ "Sort subroutine didn't return single value"); - if (!SvNIOKp(*PL_stack_sp)) - Perl_croak(aTHX_ "Sort subroutine didn't return a numeric value"); - result = SvIV(*PL_stack_sp); - while (PL_scopestack_ix > oldscopeix) { - LEAVE; - } - leave_scope(oldsaveix); - return result; -} - - -static I32 -sv_ncmp(pTHXo_ SV *a, SV *b) -{ - NV nv1 = SvNV(a); - NV nv2 = SvNV(b); - return nv1 < nv2 ? -1 : nv1 > nv2 ? 1 : 0; -} - -static I32 -sv_i_ncmp(pTHXo_ SV *a, SV *b) -{ - IV iv1 = SvIV(a); - IV iv2 = SvIV(b); - return iv1 < iv2 ? -1 : iv1 > iv2 ? 1 : 0; -} -#define tryCALL_AMAGICbin(left,right,meth,svp) STMT_START { \ - *svp = Nullsv; \ - if (PL_amagic_generation) { \ - if (SvAMAGIC(left)||SvAMAGIC(right))\ - *svp = amagic_call(left, \ - right, \ - CAT2(meth,_amg), \ - 0); \ - } \ - } STMT_END - -static I32 -amagic_ncmp(pTHXo_ register SV *a, register SV *b) -{ - SV *tmpsv; - tryCALL_AMAGICbin(a,b,ncmp,&tmpsv); - if (tmpsv) { - NV d; - - if (SvIOK(tmpsv)) { - I32 i = SvIVX(tmpsv); - if (i > 0) - return 1; - return i? -1 : 0; - } - d = SvNV(tmpsv); - if (d > 0) - return 1; - return d? -1 : 0; - } - return sv_ncmp(aTHXo_ a, b); -} - -static I32 -amagic_i_ncmp(pTHXo_ register SV *a, register SV *b) -{ - SV *tmpsv; - tryCALL_AMAGICbin(a,b,ncmp,&tmpsv); - if (tmpsv) { - NV d; - - if (SvIOK(tmpsv)) { - I32 i = SvIVX(tmpsv); - if (i > 0) - return 1; - return i? -1 : 0; - } - d = SvNV(tmpsv); - if (d > 0) - return 1; - return d? -1 : 0; - } - return sv_i_ncmp(aTHXo_ a, b); -} - -static I32 -amagic_cmp(pTHXo_ register SV *str1, register SV *str2) -{ - SV *tmpsv; - tryCALL_AMAGICbin(str1,str2,scmp,&tmpsv); - if (tmpsv) { - NV d; - - if (SvIOK(tmpsv)) { - I32 i = SvIVX(tmpsv); - if (i > 0) - return 1; - return i? -1 : 0; - } - d = SvNV(tmpsv); - if (d > 0) - return 1; - return d? -1 : 0; - } - return sv_cmp(str1, str2); -} - -static I32 -amagic_cmp_locale(pTHXo_ register SV *str1, register SV *str2) -{ - SV *tmpsv; - tryCALL_AMAGICbin(str1,str2,scmp,&tmpsv); - if (tmpsv) { - NV d; - - if (SvIOK(tmpsv)) { - I32 i = SvIVX(tmpsv); - if (i > 0) - return 1; - return i? -1 : 0; - } - d = SvNV(tmpsv); - if (d > 0) - return 1; - return d? -1 : 0; - } - return sv_cmp_locale(str1, str2); -} - -static I32 -run_user_filter(pTHXo_ int idx, SV *buf_sv, int maxlen) +run_user_filter(pTHX_ int idx, SV *buf_sv, int maxlen) { SV *datasv = FILTER_DATA(idx); int filter_has_file = IoLINES(datasv); @@ -4434,18 +3698,3 @@ run_user_filter(pTHXo_ int idx, SV *buf_sv, int maxlen) return len; } -#ifdef PERL_OBJECT - -static I32 -sv_cmp_locale_static(pTHXo_ register SV *str1, register SV *str2) -{ - return sv_cmp_locale(str1, str2); -} - -static I32 -sv_cmp_static(pTHXo_ register SV *str1, register SV *str2) -{ - return sv_cmp(str1, str2); -} - -#endif /* PERL_OBJECT */