|NN SV *protosv
Apd |void |cv_get_call_checker|NN CV *cv|NN Perl_call_checker *ckfun_p|NN SV **ckobj_p
Apd |void |cv_set_call_checker|NN CV *cv|NN Perl_call_checker ckfun|NN SV *ckobj
+Apd |void |cv_set_call_checker_flags|NN CV *cv \
+ |NN Perl_call_checker ckfun \
+ |NN SV *ckobj|U32 flags
Apd |void |wrap_op_checker|Optype opcode|NN Perl_check_t new_checker|NN Perl_check_t *old_checker_p
Apa |PERL_SI*|new_stackinfo|I32 stitems|I32 cxitems
Ap |char* |scan_vstring |NN const char *s|NN const char *const e \
#define cv_get_call_checker(a,b,c) Perl_cv_get_call_checker(aTHX_ a,b,c)
#define cv_name(a,b) Perl_cv_name(aTHX_ a,b)
#define cv_set_call_checker(a,b,c) Perl_cv_set_call_checker(aTHX_ a,b,c)
+#define cv_set_call_checker_flags(a,b,c,d) Perl_cv_set_call_checker_flags(aTHX_ a,b,c,d)
#define cv_undef(a) Perl_cv_undef(aTHX_ a)
#define cx_dump(a) Perl_cx_dump(aTHX_ a)
#define cxinc() Perl_cxinc(aTHX)
}
/*
-=for apidoc Am|void|cv_set_call_checker|CV *cv|Perl_call_checker ckfun|SV *ckobj
+=for apidoc Am|void|cv_set_call_checker_flags|CV *cv|Perl_call_checker ckfun|SV *ckobj|U32 flags
Sets the function that will be used to fix up a call to I<cv>.
Specifically, the function is applied to an C<entersub> op tree for a
entersubop = ckfun(aTHX_ entersubop, namegv, ckobj);
In this call, I<entersubop> is a pointer to the C<entersub> op,
-which may be replaced by the check function, and I<namegv> is a GV
-supplying the name that should be used by the check function to refer
+which may be replaced by the check function, and I<namegv> supplies
+the name that should be used by the check function to refer
to the callee of the C<entersub> op if it needs to emit any diagnostics.
It is permitted to apply the check function in non-standard situations,
such as to a call to a different subroutine or to a method call.
+I<namegv> may not actually be a GV. For efficiency, perl may pass a
+CV or other SV instead. Whatever is passed can be used as the first
+argument to L</cv_name>. You can force perl to pass a GV by including
+C<CALL_CHECKER_REQUIRE_GV> in the I<flags>.
+
The current setting for a particular CV can be retrieved by
L</cv_get_call_checker>.
+=for apidoc Am|void|cv_set_call_checker|CV *cv|Perl_call_checker ckfun|SV *ckobj
+
+The original form of L</cv_set_call_checker_flags>, which passes it the
+C<CALL_CHECKER_REQUIRE_GV> flag for backward-compatibility.
+
=cut
*/
Perl_cv_set_call_checker(pTHX_ CV *cv, Perl_call_checker ckfun, SV *ckobj)
{
PERL_ARGS_ASSERT_CV_SET_CALL_CHECKER;
+ cv_set_call_checker_flags(cv, ckfun, ckobj, CALL_CHECKER_REQUIRE_GV);
+}
+
+void
+Perl_cv_set_call_checker_flags(pTHX_ CV *cv, Perl_call_checker ckfun,
+ SV *ckobj, U32 flags)
+{
+ PERL_ARGS_ASSERT_CV_SET_CALL_CHECKER_FLAGS;
if (ckfun == Perl_ck_entersub_args_proto_or_list && ckobj == (SV*)cv) {
if (SvMAGICAL((SV*)cv))
mg_free_type((SV*)cv, PERL_MAGIC_checkcall);
SvREFCNT_inc_simple_void_NN(ckobj);
callmg->mg_flags |= MGf_REFCOUNTED;
}
- callmg->mg_flags |= MGf_COPY;
+ callmg->mg_flags = (callmg->mg_flags &~ MGf_REQUIRE_GV)
+ | (flags & MGf_REQUIRE_GV) | MGf_COPY;
}
}
#define PERL_ARGS_ASSERT_CV_SET_CALL_CHECKER \
assert(cv); assert(ckfun); assert(ckobj)
+PERL_CALLCONV void Perl_cv_set_call_checker_flags(pTHX_ CV *cv, Perl_call_checker ckfun, SV *ckobj, U32 flags)
+ __attribute__nonnull__(pTHX_1)
+ __attribute__nonnull__(pTHX_2)
+ __attribute__nonnull__(pTHX_3);
+#define PERL_ARGS_ASSERT_CV_SET_CALL_CHECKER_FLAGS \
+ assert(cv); assert(ckfun); assert(ckobj)
+
PERL_CALLCONV void Perl_cv_undef(pTHX_ CV* cv)
__attribute__nonnull__(pTHX_1);
#define PERL_ARGS_ASSERT_CV_UNDEF \