X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2Findirect.git;a=blobdiff_plain;f=indirect.xs;h=2c1f089cb7b2802bcf56ff8a9a82b56386379455;hp=c6e18e7204dbde48f30b5bdafebe646e988ad044;hb=a21a68b2f726d4002d20fb64677a52f72c520964;hpb=5ad2eeb198dc46b5e4497d3dbb84490d2e5affee diff --git a/indirect.xs b/indirect.xs index c6e18e7..2c1f089 100644 --- a/indirect.xs +++ b/indirect.xs @@ -22,41 +22,98 @@ # define sv_catpvn_nomg sv_catpvn #endif +#ifndef HvNAME_get +# define HvNAME_get(H) HvNAME(H) +#endif + +#ifndef HvNAMELEN_get +# define HvNAMELEN_get(H) strlen(HvNAME_get(H)) +#endif + +#define I_HAS_PERL(R, V, S) (PERL_REVISION > (R) || (PERL_REVISION == (R) && (PERL_VERSION > (V) || (PERL_VERSION == (V) && (PERL_SUBVERSION >= (S)))))) + +#if I_HAS_PERL(5, 10, 0) || defined(PL_parser) +# ifndef PL_lex_inwhat +# define PL_lex_inwhat PL_parser->lex_inwhat +# endif +# ifndef PL_linestr +# define PL_linestr PL_parser->linestr +# endif +# ifndef PL_bufptr +# define PL_bufptr PL_parser->bufptr +# endif +# ifndef PL_oldbufptr +# define PL_oldbufptr PL_parser->oldbufptr +# endif +#else +# ifndef PL_lex_inwhat +# define PL_lex_inwhat PL_Ilex_inwhat +# endif +# ifndef PL_linestr +# define PL_linestr PL_Ilinestr +# endif +# ifndef PL_bufptr +# define PL_bufptr PL_Ibufptr +# endif +# ifndef PL_oldbufptr +# define PL_oldbufptr PL_Ioldbufptr +# endif +#endif + /* ... Hints ............................................................... */ STATIC U32 indirect_hash = 0; STATIC IV indirect_hint(pTHX) { #define indirect_hint() indirect_hint(aTHX) - SV *id = Perl_refcounted_he_fetch(aTHX_ PL_curcop->cop_hints_hash, - NULL, - "indirect", 8, - 0, - indirect_hash); + SV *id; +#if I_HAS_PERL(5, 10, 0) + id = Perl_refcounted_he_fetch(aTHX_ PL_curcop->cop_hints_hash, + NULL, + "indirect", 8, + 0, + indirect_hash); +#else + SV **val = hv_fetch(GvHV(PL_hintgv), "indirect", 8, indirect_hash); + if (!val) + return 0; + id = *val; +#endif return (id && SvOK(id) && SvIOK(id)) ? SvIV(id) : 0; } /* ... op -> source position ............................................... */ -STATIC HV *indirect_map = NULL; -STATIC const char *indirect_linestr = NULL; +#define PTABLE_NAME ptable_map +#define PTABLE_VAL_FREE(V) SvREFCNT_dec(V) + +#define pPTBL pTHX +#define pPTBL_ pTHX_ +#define aPTBL aTHX +#define aPTBL_ aTHX_ -#define OP2STR(O) (sprintf(buf, "%u", PTR2UV(o))) +#include "ptable.h" + +#define ptable_map_store(T, K, V) ptable_map_store(aTHX_ (T), (K), (V)) +#define ptable_map_clear(T) ptable_map_clear(aTHX_ (T)) +#define ptable_map_free(T) ptable_map_free(aTHX_ (T)) + +STATIC ptable *indirect_map = NULL; + +STATIC const char *indirect_linestr = NULL; STATIC void indirect_map_store(pTHX_ const OP *o, const char *src, SV *sv) { #define indirect_map_store(O, S, N) indirect_map_store(aTHX_ (O), (S), (N)) - char buf[32]; - const char *pl_linestr; SV *val; /* When lex_inwhat is set, we're in a quotelike environment (qq, qr, but not q) * In this case the linestr has temporarly changed, but the old buffer should * still be alive somewhere. */ - if (!PL_parser->lex_inwhat) { - pl_linestr = SvPVX_const(PL_parser->linestr); + if (!PL_lex_inwhat) { + const char *pl_linestr = SvPVX_const(PL_linestr); if (indirect_linestr != pl_linestr) { - hv_clear(indirect_map); + ptable_map_clear(indirect_map); indirect_linestr = pl_linestr; } } @@ -66,45 +123,25 @@ STATIC void indirect_map_store(pTHX_ const OP *o, const char *src, SV *sv) { SvUVX(val) = PTR2UV(src); SvIOK_on(val); SvIsUV_on(val); - if (!hv_store(indirect_map, buf, OP2STR(o), val, 0)) SvREFCNT_dec(val); + + ptable_map_store(indirect_map, o, val); } STATIC const char *indirect_map_fetch(pTHX_ const OP *o, SV ** const name) { #define indirect_map_fetch(O, S) indirect_map_fetch(aTHX_ (O), (S)) - char buf[32]; - SV **val; + SV *val; - if (indirect_linestr != SvPVX_const(PL_parser->linestr)) + if (indirect_linestr != SvPVX_const(PL_linestr)) return NULL; - val = hv_fetch(indirect_map, buf, OP2STR(o), 0); + val = ptable_fetch(indirect_map, o); if (!val) { *name = NULL; return NULL; } - *name = *val; - return INT2PTR(const char *, SvUVX(*val)); -} - -STATIC void indirect_map_delete(pTHX_ const OP *o) { -#define indirect_map_delete(O) indirect_map_delete(aTHX_ (O)) - char buf[32]; - - hv_delete(indirect_map, buf, OP2STR(o), G_DISCARD); -} - -STATIC void indirect_map_clean(pTHX_ const OP *o) { -#define indirect_map_clean(O) indirect_map_clean(aTHX_ (O)) - if (o->op_flags & OPf_KIDS) { - const OP *kid = cUNOPo->op_first; - for (; kid; kid = kid->op_sibling) { - indirect_map_delete(kid); - indirect_map_clean(kid); - } - } else { - indirect_map_delete(o); - } + *name = val; + return INT2PTR(const char *, SvUVX(val)); } STATIC const char *indirect_find(pTHX_ SV *sv, const char *s) { @@ -141,7 +178,7 @@ STATIC OP *indirect_ck_const(pTHX_ OP *o) { if (indirect_hint()) { SV *sv = cSVOPo_sv; if (SvPOK(sv) && (SvTYPE(sv) >= SVt_PV)) - indirect_map_store(o, indirect_find(sv, PL_parser->oldbufptr), sv); + indirect_map_store(o, indirect_find(sv, PL_oldbufptr), sv); } return o; @@ -157,8 +194,9 @@ STATIC OP *indirect_ck_rv2sv(pTHX_ OP *o) { SV *sv; const char *name = NULL, *s; STRLEN len; + OPCODE type = (OPCODE) op->op_type; - switch (op->op_type) { + switch (type) { case OP_GV: case OP_GVSV: { GV *gv = cGVOPx_gv(op); @@ -166,37 +204,37 @@ STATIC OP *indirect_ck_rv2sv(pTHX_ OP *o) { len = GvNAMELEN(gv); break; } - default: { - SV *sv = cSVOPx_sv(op); - if (SvPOK(sv) && (SvTYPE(sv) >= SVt_PV)) - name = SvPV_const(sv, len); - break; - } + default: + if ((PL_opargs[type] & OA_CLASS_MASK) == OA_SVOP) { + SV *nsv = cSVOPx_sv(op); + if (SvPOK(nsv) && (SvTYPE(nsv) >= SVt_PV)) + name = SvPV_const(nsv, len); + } } if (!name) goto done; sv = sv_2mortal(newSVpvn("$", 1)); sv_catpvn_nomg(sv, name, len); - s = indirect_find(sv, PL_parser->oldbufptr); + s = indirect_find(sv, PL_oldbufptr); if (!s) { /* If it failed, retry without the current stash */ const char *stash = HvNAME_get(PL_curstash); STRLEN stashlen = HvNAMELEN_get(PL_curstash); - if ((len < stashlen + 2) || strnNE(name, stash, stashlen)) { + if ((len < stashlen + 2) || strnNE(name, stash, stashlen) + || name[stashlen] != ':' || name[stashlen+1] != ':') { /* Failed again ? Try to remove main */ stash = "main"; stashlen = 4; - if ((len < stashlen + 2) || strnNE(name, stash, stashlen)) + if ((len < stashlen + 2) || strnNE(name, stash, stashlen) + || name[stashlen] != ':' || name[stashlen+1] != ':') goto done; } - if (name[stashlen] != ':' || name[stashlen+1] != ':') - goto done; sv_setpvn(sv, "$", 1); stashlen += 2; sv_catpvn_nomg(sv, name + stashlen, len - stashlen); - s = indirect_find(sv, PL_parser->oldbufptr); + s = indirect_find(sv, PL_oldbufptr); if (!s) goto done; } @@ -219,7 +257,7 @@ STATIC OP *indirect_ck_padany(pTHX_ OP *o) { if (indirect_hint()) { SV *sv; - const char *s = PL_parser->oldbufptr, *t = PL_parser->bufptr - 1; + const char *s = PL_oldbufptr, *t = PL_bufptr - 1; while (s < t && isSPACE(*s)) ++s; if (*s == '$' && ++s <= t) { @@ -248,7 +286,7 @@ STATIC OP *indirect_ck_method(pTHX_ OP *o) { if (!SvPOK(sv) || (SvTYPE(sv) < SVt_PV)) goto done; sv = sv_mortalcopy(sv); - s = indirect_find(sv, PL_parser->oldbufptr); + s = indirect_find(sv, PL_oldbufptr); } o = CALL_FPTR(indirect_old_ck_method)(aTHX_ o); /* o may now be a method_named */ @@ -267,41 +305,50 @@ STATIC const char indirect_msg[] = "Indirect call of method \"%s\" on object \"% STATIC OP *(*indirect_old_ck_entersub)(pTHX_ OP *) = 0; STATIC OP *indirect_ck_entersub(pTHX_ OP *o) { - LISTOP *op; - OP *om, *oo; IV hint = indirect_hint(); o = CALL_FPTR(indirect_old_ck_entersub)(aTHX_ o); if (hint) { - const char *pm, *po; - SV *svm, *svo; - oo = o; + const char *mpos, *opos; + SV *mnamesv, *onamesv; + OP *mop, *oop; + LISTOP *lop; + + oop = o; do { - op = (LISTOP *) oo; - if (!op->op_flags & OPf_KIDS) + lop = (LISTOP *) oop; + if (!(lop->op_flags & OPf_KIDS)) goto done; - oo = op->op_first; - } while (oo->op_type != OP_PUSHMARK); - oo = oo->op_sibling; - om = op->op_last; - if (om->op_type == OP_METHOD) - om = cUNOPx(om)->op_first; - else if (om->op_type != OP_METHOD_NAMED) + oop = lop->op_first; + } while (oop->op_type != OP_PUSHMARK); + oop = oop->op_sibling; + mop = lop->op_last; + + if (mop->op_type == OP_METHOD) + mop = cUNOPx(mop)->op_first; + else if (mop->op_type != OP_METHOD_NAMED) + goto done; + + mpos = indirect_map_fetch(mop, &mnamesv); + if (!mpos) + goto done; + + opos = indirect_map_fetch(oop, &onamesv); + if (!opos) goto done; - pm = indirect_map_fetch(om, &svm); - po = indirect_map_fetch(oo, &svo); - if (pm && po && pm < po) { - const char *psvm = SvPV_nolen_const(svm), *psvo = SvPV_nolen_const(svo); + + if (mpos < opos) { + const char *mname = SvPV_nolen_const(mnamesv); + const char *oname = SvPV_nolen_const(onamesv); if (hint == 2) - croak(indirect_msg, psvm, psvo); + croak(indirect_msg, mname, oname); else - warn(indirect_msg, psvm, psvo); + warn(indirect_msg, mname, oname); } -done: - indirect_map_clean(o); } +done: return o; } @@ -317,7 +364,7 @@ BOOT: { if (!indirect_initialized++) { PERL_HASH(indirect_hash, "indirect", 8); - indirect_map = newHV(); + indirect_map = ptable_new(); indirect_old_ck_const = PL_check[OP_CONST]; PL_check[OP_CONST] = MEMBER_TO_FPTR(indirect_ck_const); indirect_old_ck_rv2sv = PL_check[OP_RV2SV];