| line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
|
1
|
|
|
|
|
|
|
/* You may distribute under the terms of either the GNU General Public License |
|
2
|
|
|
|
|
|
|
* or the Artistic License (the same terms as Perl itself) |
|
3
|
|
|
|
|
|
|
* |
|
4
|
|
|
|
|
|
|
* (C) Paul Evans, 2023 -- leonerd@leonerd.org.uk |
|
5
|
|
|
|
|
|
|
*/ |
|
6
|
|
|
|
|
|
|
#define PERL_NO_GET_CONTEXT |
|
7
|
|
|
|
|
|
|
|
|
8
|
|
|
|
|
|
|
#include "EXTERN.h" |
|
9
|
|
|
|
|
|
|
#include "perl.h" |
|
10
|
|
|
|
|
|
|
#include "XSUB.h" |
|
11
|
|
|
|
|
|
|
|
|
12
|
|
|
|
|
|
|
#include "XSParseSublike.h" |
|
13
|
|
|
|
|
|
|
|
|
14
|
|
|
|
|
|
|
#define HAVE_PERL_VERSION(R, V, S) \ |
|
15
|
|
|
|
|
|
|
(PERL_REVISION > (R) || (PERL_REVISION == (R) && (PERL_VERSION > (V) || (PERL_VERSION == (V) && (PERL_SUBVERSION >= (S)))))) |
|
16
|
|
|
|
|
|
|
|
|
17
|
|
|
|
|
|
|
/* A horrible hack. We'll replace the op_ppaddr of the varop while leaving |
|
18
|
|
|
|
|
|
|
* the rest of the op structure alone |
|
19
|
|
|
|
|
|
|
*/ |
|
20
|
2
|
|
|
|
|
|
static OP *pp_argelem_alias(pTHX) |
|
21
|
|
|
|
|
|
|
{ |
|
22
|
|
|
|
|
|
|
/* Much copypaste from bleadperl's pp_argelem in pp.c */ |
|
23
|
|
|
|
|
|
|
SV ** padentry; |
|
24
|
2
|
|
|
|
|
|
OP *o = PL_op; |
|
25
|
2
|
|
|
|
|
|
AV *defav = GvAV(PL_defgv); /* @_ */ |
|
26
|
2
|
|
|
|
|
|
IV ix = PTR2IV(cUNOP_AUXo->op_aux); |
|
27
|
|
|
|
|
|
|
|
|
28
|
2
|
|
|
|
|
|
padentry = &(PAD_SVl(o->op_targ)); |
|
29
|
2
|
|
|
|
|
|
save_clearsv(padentry); |
|
30
|
|
|
|
|
|
|
|
|
31
|
2
|
|
|
|
|
|
SV **svp = av_fetch(defav, ix, FALSE); |
|
32
|
2
|
50
|
|
|
|
|
*padentry = svp ? SvREFCNT_inc(*svp) : &PL_sv_undef; |
|
33
|
|
|
|
|
|
|
|
|
34
|
2
|
|
|
|
|
|
return o->op_next; |
|
35
|
|
|
|
|
|
|
} |
|
36
|
|
|
|
|
|
|
|
|
37
|
5
|
|
|
|
|
|
static void apply_Alias(pTHX_ struct XPSSignatureParamContext *ctx, SV *attrvalue, void **attrdata_ptr, void *funcdata) |
|
38
|
|
|
|
|
|
|
{ |
|
39
|
5
|
|
|
|
|
|
PADNAME *pn = PadnamelistARRAY(PL_comppad_name)[ctx->padix]; |
|
40
|
5
|
100
|
|
|
|
|
if(PadnamePV(pn)[0] != '$') |
|
41
|
1
|
|
|
|
|
|
croak("Can only apply the :Alias attribute to scalar parameters"); |
|
42
|
4
|
100
|
|
|
|
|
if(ctx->is_named) |
|
43
|
1
|
|
|
|
|
|
croak("Cannot apply the :Alias attribute to a named parameter"); |
|
44
|
3
|
|
|
|
|
|
} |
|
45
|
|
|
|
|
|
|
|
|
46
|
3
|
|
|
|
|
|
static void post_defop_Alias(pTHX_ struct XPSSignatureParamContext *ctx, void *attrdata, void *funcdata) |
|
47
|
|
|
|
|
|
|
{ |
|
48
|
3
|
100
|
|
|
|
|
if(ctx->defop) |
|
49
|
1
|
|
|
|
|
|
croak("Cannot apply the :Alias attribute to a parameter with a defaulting expression"); |
|
50
|
|
|
|
|
|
|
|
|
51
|
2
|
|
|
|
|
|
OP *varop = ctx->varop; |
|
52
|
|
|
|
|
|
|
assert(varop); |
|
53
|
|
|
|
|
|
|
assert((varop->op_private & OPpARGELEM_MASK) == OPpARGELEM_SV); |
|
54
|
|
|
|
|
|
|
assert(!(varop->op_flags & OPf_STACKED)); |
|
55
|
|
|
|
|
|
|
|
|
56
|
2
|
|
|
|
|
|
varop->op_ppaddr = &pp_argelem_alias; |
|
57
|
2
|
|
|
|
|
|
} |
|
58
|
|
|
|
|
|
|
|
|
59
|
|
|
|
|
|
|
static const struct XPSSignatureAttributeFuncs funcs_Alias = { |
|
60
|
|
|
|
|
|
|
.ver = XSPARSESUBLIKE_ABI_VERSION, |
|
61
|
|
|
|
|
|
|
.permit_hintkey = "Signature::Attribute::Alias/Alias", |
|
62
|
|
|
|
|
|
|
|
|
63
|
|
|
|
|
|
|
.apply = apply_Alias, |
|
64
|
|
|
|
|
|
|
.post_defop = post_defop_Alias, |
|
65
|
|
|
|
|
|
|
}; |
|
66
|
|
|
|
|
|
|
|
|
67
|
|
|
|
|
|
|
MODULE = Signature::Attribute::Alias PACKAGE = Signature::Attribute::Alias |
|
68
|
|
|
|
|
|
|
|
|
69
|
|
|
|
|
|
|
BOOT: |
|
70
|
3
|
|
|
|
|
|
boot_xs_parse_sublike(0.19); |
|
71
|
|
|
|
|
|
|
|
|
72
|
|
|
|
|
|
|
register_xps_signature_attribute("Alias", &funcs_Alias, NULL); |