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|
################################################################################
##
## Version 3.x, Copyright (C) 2004-2013, Marcus Holland-Moritz.
## Version 2.x, Copyright (C) 2001, Paul Marquess.
## Version 1.x, Copyright (C) 1999, Kenneth Albanowski.
##
## This program is free software; you can redistribute it and/or
## modify it under the same terms as Perl itself.
##
################################################################################
=provides
eval_pv
eval_sv
call_sv
call_pv
call_argv
call_method
load_module
vload_module
G_METHOD
G_RETHROW
=implementation
/* Replace: 1 */
__UNDEFINED__ call_sv perl_call_sv
__UNDEFINED__ call_pv perl_call_pv
__UNDEFINED__ call_argv perl_call_argv
__UNDEFINED__ call_method perl_call_method
__UNDEFINED__ eval_sv perl_eval_sv
#if { VERSION >= 5.3.98 } && { VERSION < 5.6.0 }
__UNDEFINED__ eval_pv perl_eval_pv
#endif
/* Replace: 0 */
#if { VERSION < 5.6.0 }
__UNDEFINED__ Perl_eval_sv perl_eval_sv
#if { VERSION >= 5.3.98 }
__UNDEFINED__ Perl_eval_pv perl_eval_pv
#endif
#endif
__UNDEFINED__ G_LIST G_ARRAY /* Replace */
__UNDEFINED__ PERL_LOADMOD_DENY 0x1
__UNDEFINED__ PERL_LOADMOD_NOIMPORT 0x2
__UNDEFINED__ PERL_LOADMOD_IMPORT_OPS 0x4
#if defined(PERL_USE_GCC_BRACE_GROUPS)
# define D_PPP_CROAK_IF_ERROR(cond) ({ SV *_errsv; ((cond) && (_errsv = ERRSV) && (SvROK(_errsv) || SvTRUE(_errsv)) && (croak_sv(_errsv), 1)); })
#else
# define D_PPP_CROAK_IF_ERROR(cond) ((cond) && (SvROK(ERRSV) || SvTRUE(ERRSV)) && (croak_sv(ERRSV), 1))
#endif
#ifndef G_METHOD
# define G_METHOD 64
# ifdef call_sv
# undef call_sv
# endif
# if { VERSION < 5.6.0 }
# define call_sv(sv, flags) ((flags) & G_METHOD ? perl_call_method((char *) SvPV_nolen_const(sv), \
(flags) & ~G_METHOD) : perl_call_sv(sv, flags))
# else
# define call_sv(sv, flags) ((flags) & G_METHOD ? Perl_call_method(aTHX_ (char *) SvPV_nolen_const(sv), \
(flags) & ~G_METHOD) : Perl_call_sv(aTHX_ sv, flags))
# endif
#endif
#ifndef G_RETHROW
# define G_RETHROW 8192
# ifdef eval_sv
# undef eval_sv
# endif
# if defined(PERL_USE_GCC_BRACE_GROUPS)
# define eval_sv(sv, flags) ({ I32 _flags = (flags); I32 _ret = Perl_eval_sv(aTHX_ sv, (_flags & ~G_RETHROW)); D_PPP_CROAK_IF_ERROR(_flags & G_RETHROW); _ret; })
# else
# define eval_sv(sv, flags) ((PL_na = Perl_eval_sv(aTHX_ sv, ((flags) & ~G_RETHROW))), D_PPP_CROAK_IF_ERROR((flags) & G_RETHROW), (I32)PL_na)
# endif
#endif
/* Older Perl versions have broken croak_on_error=1 */
#if { VERSION < 5.31.2 }
# ifdef eval_pv
# undef eval_pv
# if defined(PERL_USE_GCC_BRACE_GROUPS)
# define eval_pv(p, croak_on_error) ({ SV *_sv = Perl_eval_pv(aTHX_ p, 0); D_PPP_CROAK_IF_ERROR(croak_on_error); _sv; })
# else
# define eval_pv(p, croak_on_error) ((PL_Sv = Perl_eval_pv(aTHX_ p, 0)), D_PPP_CROAK_IF_ERROR(croak_on_error), PL_Sv)
# endif
# endif
#endif
/* This is backport for Perl 5.3.97d and older which do not provide perl_eval_pv */
#ifndef eval_pv
#if { NEED eval_pv }
SV*
eval_pv(const char *p, I32 croak_on_error)
{
dSP;
SV* sv = newSVpv(p, 0);
PUSHMARK(sp);
eval_sv(sv, G_SCALAR);
SvREFCNT_dec(sv);
SPAGAIN;
sv = POPs;
PUTBACK;
D_PPP_CROAK_IF_ERROR(croak_on_error);
return sv;
}
#endif
#endif
#if ! defined(vload_module) && defined(start_subparse)
#if { NEED vload_module }
void
vload_module(U32 flags, SV *name, SV *ver, va_list *args)
{
dTHR;
dVAR;
OP *veop, *imop;
OP * const modname = newSVOP(OP_CONST, 0, name);
/* 5.005 has a somewhat hacky force_normal that doesn't croak on
SvREADONLY() if PL_compiling is true. Current perls take care in
ck_require() to correctly turn off SvREADONLY before calling
force_normal_flags(). This seems a better fix than fudging PL_compiling
*/
SvREADONLY_off(((SVOP*)modname)->op_sv);
modname->op_private |= OPpCONST_BARE;
if (ver) {
veop = newSVOP(OP_CONST, 0, ver);
}
else
veop = NULL;
if (flags & PERL_LOADMOD_NOIMPORT) {
imop = sawparens(newNULLLIST());
}
else if (flags & PERL_LOADMOD_IMPORT_OPS) {
imop = va_arg(*args, OP*);
}
else {
SV *sv;
imop = NULL;
sv = va_arg(*args, SV*);
while (sv) {
imop = append_elem(OP_LIST, imop, newSVOP(OP_CONST, 0, sv));
sv = va_arg(*args, SV*);
}
}
{
const line_t ocopline = PL_copline;
COP * const ocurcop = PL_curcop;
const int oexpect = PL_expect;
utilize(!(flags & PERL_LOADMOD_DENY), start_subparse(FALSE, 0),
#if { VERSION > 5.003 }
veop,
#endif
modname, imop);
PL_expect = oexpect;
PL_copline = ocopline;
PL_curcop = ocurcop;
}
}
#endif
#endif
#ifndef load_module
#if { NEED load_module }
void
load_module(U32 flags, SV *name, SV *ver, ...)
{
va_list args;
va_start(args, ver);
vload_module(flags, name, ver, &args);
va_end(args);
}
#endif
#endif
=xsinit
#define NEED_eval_pv
#define NEED_load_module
#define NEED_vload_module
=xsubs
I32
G_SCALAR()
CODE:
RETVAL = G_SCALAR;
OUTPUT:
RETVAL
I32
G_ARRAY()
CODE:
RETVAL = G_ARRAY;
OUTPUT:
RETVAL
I32
G_DISCARD()
CODE:
RETVAL = G_DISCARD;
OUTPUT:
RETVAL
I32
G_RETHROW()
CODE:
RETVAL = G_RETHROW;
OUTPUT:
RETVAL
void
eval_sv(sv, flags)
SV* sv
I32 flags
PREINIT:
I32 i;
PPCODE:
PUTBACK;
i = eval_sv(sv, flags);
SPAGAIN;
EXTEND(SP, 1);
mPUSHi(i);
void
eval_pv(p, croak_on_error)
char* p
I32 croak_on_error
PPCODE:
PUTBACK;
EXTEND(SP, 1);
PUSHs(eval_pv(p, croak_on_error));
void
call_sv(sv, flags, ...)
SV* sv
I32 flags
PREINIT:
I32 i;
PPCODE:
for (i=0; i<items-2; i++)
ST(i) = ST(i+2); /* pop first two args */
PUSHMARK(SP);
SP += items - 2;
PUTBACK;
i = call_sv(sv, flags);
SPAGAIN;
EXTEND(SP, 1);
mPUSHi(i);
void
call_pv(subname, flags, ...)
char* subname
I32 flags
PREINIT:
I32 i;
PPCODE:
for (i=0; i<items-2; i++)
ST(i) = ST(i+2); /* pop first two args */
PUSHMARK(SP);
SP += items - 2;
PUTBACK;
i = call_pv(subname, flags);
SPAGAIN;
EXTEND(SP, 1);
mPUSHi(i);
void
call_argv(subname, flags, ...)
char* subname
I32 flags
PREINIT:
I32 i;
char *args[8];
PPCODE:
if (items > 8) /* play safe */
XSRETURN_UNDEF;
for (i=2; i<items; i++)
args[i-2] = SvPV_nolen(ST(i));
args[items-2] = NULL;
PUTBACK;
i = call_argv(subname, flags, args);
SPAGAIN;
EXTEND(SP, 1);
mPUSHi(i);
void
call_method(methname, flags, ...)
char* methname
I32 flags
PREINIT:
I32 i;
PPCODE:
for (i=0; i<items-2; i++)
ST(i) = ST(i+2); /* pop first two args */
PUSHMARK(SP);
SP += items - 2;
PUTBACK;
i = call_method(methname, flags);
SPAGAIN;
EXTEND(SP, 1);
mPUSHi(i);
void
call_sv_G_METHOD(sv, flags, ...)
SV* sv
I32 flags
PREINIT:
I32 i;
PPCODE:
for (i=0; i<items-2; i++)
ST(i) = ST(i+2); /* pop first two args */
PUSHMARK(SP);
SP += items - 2;
PUTBACK;
i = call_sv(sv, flags | G_METHOD);
SPAGAIN;
EXTEND(SP, 1);
mPUSHi(i);
void
load_module(flags, name, version, ...)
U32 flags
SV *name
SV *version
CODE:
/* Both SV parameters are donated to the ops built inside
load_module, so we need to bump the refcounts. */
Perl_load_module(aTHX_ flags, SvREFCNT_inc_simple(name),
SvREFCNT_inc_simple(version), NULL);
=tests plan => 88
sub f
{
shift;
unshift @_, 'b';
pop @_;
@_, defined wantarray ? wantarray ? 'x' : 'y' : 'z';
}
my $obj = bless [], 'Foo';
sub Foo::meth
{
return 'bad_self' unless @_ && ref $_[0] && ref($_[0]) eq 'Foo';
shift;
shift;
unshift @_, 'b';
pop @_;
@_, defined wantarray ? wantarray ? 'x' : 'y' : 'z';
}
my $test;
for $test (
# flags args expected description
[ &Devel::PPPort::G_SCALAR, [ ], [ qw(y 1) ], '0 args, G_SCALAR' ],
[ &Devel::PPPort::G_SCALAR, [ qw(a p q) ], [ qw(y 1) ], '3 args, G_SCALAR' ],
[ &Devel::PPPort::G_ARRAY, [ ], [ qw(x 1) ], '0 args, G_ARRAY' ],
[ &Devel::PPPort::G_ARRAY, [ qw(a p q) ], [ qw(b p x 3) ], '3 args, G_ARRAY' ],
[ &Devel::PPPort::G_DISCARD, [ ], [ qw(0) ], '0 args, G_DISCARD' ],
[ &Devel::PPPort::G_DISCARD, [ qw(a p q) ], [ qw(0) ], '3 args, G_DISCARD' ],
)
{
my ($flags, $args, $expected, $description) = @$test;
print "# --- $description ---\n";
ok(eq_array( [ &Devel::PPPort::call_sv(\&f, $flags, @$args) ], $expected));
ok(eq_array( [ &Devel::PPPort::call_sv(*f, $flags, @$args) ], $expected));
ok(eq_array( [ &Devel::PPPort::call_sv('f', $flags, @$args) ], $expected));
ok(eq_array( [ &Devel::PPPort::call_pv('f', $flags, @$args) ], $expected));
ok(eq_array( [ &Devel::PPPort::call_argv('f', $flags, @$args) ], $expected));
ok(eq_array( [ &Devel::PPPort::eval_sv("f(qw(@$args))", $flags) ], $expected));
ok(eq_array( [ &Devel::PPPort::call_method('meth', $flags, $obj, @$args) ], $expected));
ok(eq_array( [ &Devel::PPPort::call_sv_G_METHOD('meth', $flags, $obj, @$args) ], $expected));
};
is(&Devel::PPPort::eval_pv('f()', 0), 'y');
is(&Devel::PPPort::eval_pv('f(qw(a b c))', 0), 'y');
is(!defined $::{'less::'}, 1, "Hadn't loaded less yet");
Devel::PPPort::load_module(0, "less", undef);
is(defined $::{'less::'}, 1, "Have now loaded less");
ok(eval { Devel::PPPort::eval_pv('die', 0); 1 });
ok(!eval { Devel::PPPort::eval_pv('die', 1); 1 });
ok($@ =~ /^Died at \(eval [0-9]+\) line 1\.\n$/);
ok(eval { $@ = 'string1'; Devel::PPPort::eval_pv('', 0); 1 });
ok(eval { $@ = 'string1'; Devel::PPPort::eval_pv('', 1); 1 });
ok(eval { $@ = 'string1'; Devel::PPPort::eval_pv('$@ = "string2"', 0); 1 });
ok(eval { $@ = 'string1'; Devel::PPPort::eval_pv('$@ = "string2"', 1); 1 });
ok(eval { $@ = 'string1'; Devel::PPPort::eval_pv('$@ = "string2"; die "string3"', 0); 1 });
ok(!eval { $@ = 'string1'; Devel::PPPort::eval_pv('$@ = "string2"; die "string3"', 1); 1 });
ok($@ =~ /^string3 at \(eval [0-9]+\) line 1\.\n$/);
ok(!eval { Devel::PPPort::eval_pv('die False->new', 1); 1 }, 'check false value is rethrown');
if (ivers($]) >= ivers('5.007003') or (ivers($]) >= ivers('5.006001') and ivers($]) < ivers('5.007'))) {
my $hashref = { key => 'value' };
is(eval { Devel::PPPort::eval_pv('die $hashref', 1); 1 }, undef, 'check plain hashref is rethrown');
is(ref($@), 'HASH', 'check $@ is hashref') and
is($@->{key}, 'value', 'check $@ hashref has correct value');
my $false = False->new;
ok(!$false);
is(eval { Devel::PPPort::eval_pv('die $false', 1); 1 }, undef, 'check false objects are rethrown');
is(ref($@), 'False', 'check that $@ contains False object');
is("$@", "$false", 'check we got the expected object');
} else {
skip 'skip: no support for references in $@', 7;
}
ok(eval { Devel::PPPort::eval_sv('die', 0); 1 });
ok(!eval { Devel::PPPort::eval_sv('die', &Devel::PPPort::G_RETHROW); 1 });
ok($@ =~ /^Died at \(eval [0-9]+\) line 1\.\n$/);
ok(eval { $@ = 'string1'; Devel::PPPort::eval_sv('', 0); 1 });
ok(eval { $@ = 'string1'; Devel::PPPort::eval_sv('', &Devel::PPPort::G_RETHROW); 1 });
ok(eval { $@ = 'string1'; Devel::PPPort::eval_sv('$@ = "string2"', 0); 1 });
ok(eval { $@ = 'string1'; Devel::PPPort::eval_sv('$@ = "string2"', &Devel::PPPort::G_RETHROW); 1 });
ok(eval { $@ = 'string1'; Devel::PPPort::eval_sv('$@ = "string2"; die "string3"', 0); 1 });
ok(!eval { $@ = 'string1'; Devel::PPPort::eval_sv('$@ = "string2"; die "string3"', &Devel::PPPort::G_RETHROW); 1 });
ok($@ =~ /^string3 at \(eval [0-9]+\) line 1\.\n$/);
ok(!eval { Devel::PPPort::eval_sv('die False->new', &Devel::PPPort::G_RETHROW); 1 }, 'check false value is rethrown');
if (ivers($]) >= ivers('5.007003') or (ivers($]) >= ivers('5.006001') and ivers($]) < ivers('5.007'))) {
my $hashref = { key => 'value' };
is(eval { Devel::PPPort::eval_sv('die $hashref', &Devel::PPPort::G_RETHROW); 1 }, undef, 'check plain hashref is rethrown');
is(ref($@), 'HASH', 'check $@ is hashref') and
is($@->{key}, 'value', 'check $@ hashref has correct value');
my $false = False->new;
ok(!$false);
is(eval { Devel::PPPort::eval_sv('die $false', &Devel::PPPort::G_RETHROW); 1 }, undef, 'check false objects are rethrown');
is(ref($@), 'False', 'check that $@ contains False object');
is("$@", "$false", 'check we got the expected object');
} else {
skip 'skip: no support for references in $@', 7;
}
{
package False;
use overload bool => sub { 0 }, '""' => sub { 'Foo' };
sub new { bless {}, shift }
}
|
