1 ################################################################################
3 ## Version 3.x, Copyright (C) 2004-2013, Marcus Holland-Moritz.
4 ## Version 2.x, Copyright (C) 2001, Paul Marquess.
5 ## Version 1.x, Copyright (C) 1999, Kenneth Albanowski.
7 ## This program is free software; you can redistribute it and/or
8 ## modify it under the same terms as Perl itself.
10 ################################################################################
21 __UNDEFINED__ CopFILE(c) ((c)->cop_file)
22 __UNDEFINED__ CopFILEGV(c) (CopFILE(c) ? gv_fetchfile(CopFILE(c)) : Nullgv)
23 __UNDEFINED__ CopFILE_set(c,pv) ((c)->cop_file = savepv(pv))
24 __UNDEFINED__ CopFILESV(c) (CopFILE(c) ? GvSV(gv_fetchfile(CopFILE(c))) : Nullsv)
25 __UNDEFINED__ CopFILEAV(c) (CopFILE(c) ? GvAV(gv_fetchfile(CopFILE(c))) : Nullav)
26 __UNDEFINED__ CopSTASHPV(c) ((c)->cop_stashpv)
27 __UNDEFINED__ CopSTASHPV_set(c,pv) ((c)->cop_stashpv = ((pv) ? savepv(pv) : Nullch))
28 __UNDEFINED__ CopSTASH(c) (CopSTASHPV(c) ? gv_stashpv(CopSTASHPV(c),GV_ADD) : Nullhv)
29 __UNDEFINED__ CopSTASH_set(c,hv) CopSTASHPV_set(c, (hv) ? HvNAME(hv) : Nullch)
30 __UNDEFINED__ CopSTASH_eq(c,hv) ((hv) && (CopSTASHPV(c) == HvNAME(hv) \
31 || (CopSTASHPV(c) && HvNAME(hv) \
32 && strEQ(CopSTASHPV(c), HvNAME(hv)))))
36 __UNDEFINED__ CopFILEGV(c) ((c)->cop_filegv)
37 __UNDEFINED__ CopFILEGV_set(c,gv) ((c)->cop_filegv = (GV*)SvREFCNT_inc(gv))
38 __UNDEFINED__ CopFILE_set(c,pv) CopFILEGV_set((c), gv_fetchfile(pv))
39 __UNDEFINED__ CopFILESV(c) (CopFILEGV(c) ? GvSV(CopFILEGV(c)) : Nullsv)
40 __UNDEFINED__ CopFILEAV(c) (CopFILEGV(c) ? GvAV(CopFILEGV(c)) : Nullav)
41 __UNDEFINED__ CopFILE(c) (CopFILESV(c) ? SvPVX(CopFILESV(c)) : Nullch)
42 __UNDEFINED__ CopSTASH(c) ((c)->cop_stash)
43 __UNDEFINED__ CopSTASH_set(c,hv) ((c)->cop_stash = (hv))
44 __UNDEFINED__ CopSTASHPV(c) (CopSTASH(c) ? HvNAME(CopSTASH(c)) : Nullch)
45 __UNDEFINED__ CopSTASHPV_set(c,pv) CopSTASH_set((c), gv_stashpv(pv,GV_ADD))
46 __UNDEFINED__ CopSTASH_eq(c,hv) (CopSTASH(c) == (hv))
48 #endif /* USE_ITHREADS */
50 #if { VERSION >= 5.6.0 }
53 # if defined(NEED_caller_cx) || defined(NEED_caller_cx_GLOBAL)
55 DPPP_dopoptosub_at(const PERL_CONTEXT *cxstk, I32 startingblock)
59 for (i = startingblock; i >= 0; i--) {
60 const PERL_CONTEXT * const cx = &cxstk[i];
74 # if { NEED caller_cx }
77 caller_cx(pTHX_ I32 level, const PERL_CONTEXT **dbcxp)
79 I32 cxix = DPPP_dopoptosub_at(cxstack, cxstack_ix);
80 const PERL_CONTEXT *cx;
81 const PERL_CONTEXT *ccstack = cxstack;
82 const PERL_SI *top_si = PL_curstackinfo;
85 /* we may be in a higher stacklevel, so dig down deeper */
86 while (cxix < 0 && top_si->si_type != PERLSI_MAIN) {
87 top_si = top_si->si_prev;
88 ccstack = top_si->si_cxstack;
89 cxix = DPPP_dopoptosub_at(ccstack, top_si->si_cxix);
93 /* caller() should not report the automatic calls to &DB::sub */
94 if (PL_DBsub && GvCV(PL_DBsub) && cxix >= 0 &&
95 ccstack[cxix].blk_sub.cv == GvCV(PL_DBsub))
99 cxix = DPPP_dopoptosub_at(ccstack, cxix - 1);
103 if (dbcxp) *dbcxp = cx;
105 if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) {
106 const I32 dbcxix = DPPP_dopoptosub_at(ccstack, cxix - 1);
107 /* We expect that ccstack[dbcxix] is CXt_SUB, anyway, the
108 field below is defined for any cx. */
109 /* caller() should not report the automatic calls to &DB::sub */
110 if (PL_DBsub && GvCV(PL_DBsub) && dbcxix >= 0 && ccstack[dbcxix].blk_sub.cv == GvCV(PL_DBsub))
111 cx = &ccstack[dbcxix];
118 #endif /* caller_cx */
123 #define NEED_caller_cx
130 RETVAL = CopSTASHPV(PL_curcop);
137 RETVAL = CopFILE(PL_curcop);
141 #if { VERSION >= 5.6.0 }
147 const PERL_CONTEXT *cx, *dbcx;
151 cx = caller_cx(level, &dbcx);
152 if (!cx) XSRETURN_EMPTY;
156 pv = CopSTASHPV(cx->blk_oldcop);
157 ST(0) = pv ? sv_2mortal(newSVpv(pv, 0)) : &PL_sv_undef;
158 gv = CvGV(cx->blk_sub.cv);
159 ST(1) = isGV(gv) ? sv_2mortal(newSVpv(GvNAME(gv), 0)) : &PL_sv_undef;
161 pv = CopSTASHPV(dbcx->blk_oldcop);
162 ST(2) = pv ? sv_2mortal(newSVpv(pv, 0)) : &PL_sv_undef;
163 gv = CvGV(dbcx->blk_sub.cv);
164 ST(3) = isGV(gv) ? sv_2mortal(newSVpv(GvNAME(gv), 0)) : &PL_sv_undef;
175 $package = &Devel::PPPort::CopSTASHPV();
177 print "# $package\n";
178 is($package, "MyPackage");
180 my $file = &Devel::PPPort::CopFILE();
185 if (ivers($]) < ivers('5.006000')) {
186 skip("Perl version too early", 8);
195 sub sub { &$DB::sub }
198 { package One; sub one { Devel::PPPort::caller_cx($_[0]) } }
201 sub two { One::one(@_) }
210 # This is rather confusing. The package is the package the call is
211 # made *from*, the sub name is the sub the call is made *to*. When
212 # DB::sub is involved the first call is to DB::sub from the calling
213 # package, the second is to the real sub from package DB.
214 [\&One::one, 0, qw/main one main one/],
216 [\&Two::two, 0, qw/Two one Two one/],
217 [\&Two::two, 1, qw/main two main two/],
218 [\&Two::dbtwo, 0, qw/Two sub DB one/],
219 [\&Two::dbtwo, 1, qw/main dbtwo main dbtwo/],
221 my ($sub, $arg, @want) = @$_;
222 my @got = $sub->($arg);
223 ok(eq_array(\@got, \@want));