1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
|
/* vi: set ft=c : */
#if HAVE_PERL_VERSION(5, 22, 0)
# define PadnameIsNULL(pn) (!(pn))
#else
# define PadnameIsNULL(pn) (!(pn) || (pn) == &PL_sv_undef)
#endif
#ifndef hv_deletes
# define hv_deletes(hv, skey, flags) hv_delete((hv), ("" skey ""), (sizeof(skey) - 1), flags)
#endif
#if HAVE_PERL_VERSION(5, 22, 0)
# define PadnameOUTER_off(pn) (PadnameFLAGS(pn) &= ~PADNAMEt_OUTER)
#else
/* PadnameOUTER is really the SvFAKE flag */
# define PadnameOUTER_off(pn) SvFAKE_off(pn)
#endif
#define save_strndup(s, l) S_save_strndup(aTHX_ s, l)
static char *S_save_strndup(pTHX_ char *s, STRLEN l)
{
/* savepvn doesn't put anything on the save stack, despite its name */
char *ret = savepvn(s, l);
SAVEFREEPV(ret);
return ret;
}
static char *PL_savetype_name[] PERL_UNUSED_DECL = {
/* These have been present since 5.16 */
[SAVEt_ADELETE] = "ADELETE",
[SAVEt_AELEM] = "AELEM",
[SAVEt_ALLOC] = "ALLOC",
[SAVEt_APTR] = "APTR",
[SAVEt_AV] = "AV",
[SAVEt_BOOL] = "BOOL",
[SAVEt_CLEARSV] = "CLEARSV",
[SAVEt_COMPILE_WARNINGS] = "COMPILE_WARNINGS",
[SAVEt_COMPPAD] = "COMPPAD",
[SAVEt_DELETE] = "DELETE",
[SAVEt_DESTRUCTOR] = "DESTRUCTOR",
[SAVEt_DESTRUCTOR_X] = "DESTRUCTOR_X",
[SAVEt_FREECOPHH] = "FREECOPHH",
[SAVEt_FREEOP] = "FREEOP",
[SAVEt_FREEPV] = "FREEPV",
[SAVEt_FREESV] = "FREESV",
[SAVEt_GENERIC_PVREF] = "GENERIC_PVREF",
[SAVEt_GENERIC_SVREF] = "GENERIC_SVREF",
[SAVEt_GP] = "GP",
[SAVEt_GVSV] = "GVSV",
[SAVEt_HELEM] = "HELEM",
[SAVEt_HINTS] = "HINTS",
[SAVEt_HPTR] = "HPTR",
[SAVEt_HV] = "HV",
[SAVEt_I16] = "I16",
[SAVEt_I32] = "I32",
[SAVEt_I32_SMALL] = "I32_SMALL",
[SAVEt_I8] = "I8",
[SAVEt_INT] = "INT",
[SAVEt_INT_SMALL] = "INT_SMALL",
[SAVEt_ITEM] = "ITEM",
[SAVEt_IV] = "IV",
[SAVEt_LONG] = "LONG",
[SAVEt_MORTALIZESV] = "MORTALIZESV",
[SAVEt_NSTAB] = "NSTAB",
[SAVEt_OP] = "OP",
[SAVEt_PADSV_AND_MORTALIZE] = "PADSV_AND_MORTALIZE",
[SAVEt_PARSER] = "PARSER",
[SAVEt_PPTR] = "PPTR",
[SAVEt_REGCONTEXT] = "REGCONTEXT",
[SAVEt_SAVESWITCHSTACK] = "SAVESWITCHSTACK",
[SAVEt_SET_SVFLAGS] = "SET_SVFLAGS",
[SAVEt_SHARED_PVREF] = "SHARED_PVREF",
[SAVEt_SPTR] = "SPTR",
[SAVEt_STACK_POS] = "STACK_POS",
[SAVEt_SVREF] = "SVREF",
[SAVEt_SV] = "SV",
[SAVEt_VPTR] = "VPTR",
#if HAVE_PERL_VERSION(5,18,0)
[SAVEt_CLEARPADRANGE] = "CLEARPADRANGE",
[SAVEt_GVSLOT] = "GVSLOT",
#endif
#if HAVE_PERL_VERSION(5,20,0)
[SAVEt_READONLY_OFF] = "READONLY_OFF",
[SAVEt_STRLEN] = "STRLEN",
#endif
#if HAVE_PERL_VERSION(5,22,0)
[SAVEt_FREEPADNAME] = "FREEPADNAME",
#endif
#if HAVE_PERL_VERSION(5,24,0)
[SAVEt_TMPSFLOOR] = "TMPSFLOOR",
#endif
#if HAVE_PERL_VERSION(5,34,0)
[SAVEt_STRLEN_SMALL] = "STRLEN_SMALL",
[SAVEt_HINTS_HH] = "HINTS_HH",
#endif
};
#define dKWARG(count) \
U32 kwargi = count; \
U32 kwarg; \
SV *kwval; \
/* TODO: complain about odd number of args */
#define KWARG_NEXT(args) \
S_kwarg_next(aTHX_ args, &kwargi, items, ax, &kwarg, &kwval)
static bool S_kwarg_next(pTHX_ const char *args[], U32 *kwargi, U32 argc, U32 ax, U32 *kwarg, SV **kwval)
{
if(*kwargi >= argc)
return FALSE;
SV *argname = ST(*kwargi); (*kwargi)++;
if(!SvOK(argname))
croak("Expected string for next argument name, got undef");
*kwarg = 0;
while(args[*kwarg]) {
if(strEQ(SvPV_nolen(argname), args[*kwarg])) {
*kwval = ST(*kwargi); (*kwargi)++;
return TRUE;
}
(*kwarg)++;
}
croak("Unrecognised argument name '%" SVf "'", SVfARG(argname));
}
#define import_pragma(pragma, arg) S_import_pragma(aTHX_ pragma, arg)
static void S_import_pragma(pTHX_ const char *pragma, const char *arg)
{
dSP;
bool unimport = FALSE;
if(pragma[0] == '-') {
unimport = TRUE;
pragma++;
}
SAVETMPS;
EXTEND(SP, 2);
PUSHMARK(SP);
mPUSHp(pragma, strlen(pragma));
if(arg)
mPUSHp(arg, strlen(arg));
PUTBACK;
call_method(unimport ? "unimport" : "import", G_VOID);
FREETMPS;
}
#define ensure_module_version(module, version) S_ensure_module_version(aTHX_ module, version)
static void S_ensure_module_version(pTHX_ SV *module, SV *version)
{
dSP;
ENTER;
PUSHMARK(SP);
PUSHs(module);
PUSHs(version);
PUTBACK;
call_method("VERSION", G_VOID);
LEAVE;
}
#if HAVE_PERL_VERSION(5, 16, 0)
/* TODO: perl 5.14 lacks HvNAMEUTF8, gv_fetchmeth_pvn() */
# define fetch_superclass_method_pv(stash, pv, len, level) S_fetch_superclass_method_pv(aTHX_ stash, pv, len, level)
static CV *S_fetch_superclass_method_pv(pTHX_ HV *stash, const char *pv, STRLEN len, U32 level)
{
# if HAVE_PERL_VERSION(5, 18, 0)
GV *gv = gv_fetchmeth_pvn(stash, pv, len, level, GV_SUPER);
# else
SV *superclassname = newSVpvf("%*s::SUPER", HvNAMELEN_get(stash), HvNAME_get(stash));
if(HvNAMEUTF8(stash))
SvUTF8_on(superclassname);
SAVEFREESV(superclassname);
HV *superstash = gv_stashsv(superclassname, GV_ADD);
GV *gv = gv_fetchmeth_pvn(superstash, pv, len, level, 0);
# endif
if(!gv)
return NULL;
return GvCV(gv);
}
#endif /* HAVE_PERL_VERSION(5, 16, 0) */
#define get_class_isa(stash) S_get_class_isa(aTHX_ stash)
static AV *S_get_class_isa(pTHX_ HV *stash)
{
GV **gvp = (GV **)hv_fetchs(stash, "ISA", 0);
if(!gvp || !GvAV(*gvp))
croak("Expected %s to have a @ISA list", HvNAME(stash));
return GvAV(*gvp);
}
#define find_cop_for_lvintro(padix, o, copp) S_find_cop_for_lvintro(aTHX_ padix, o, copp)
static COP *S_find_cop_for_lvintro(pTHX_ PADOFFSET padix, OP *o, COP **copp)
{
for( ; o; o = OpSIBLING(o)) {
if(OP_CLASS(o) == OA_COP) {
*copp = (COP *)o;
}
else if(o->op_type == OP_PADSV && o->op_targ == padix && o->op_private & OPpLVAL_INTRO) {
return *copp;
}
else if(o->op_flags & OPf_KIDS) {
COP *ret = find_cop_for_lvintro(padix, cUNOPx(o)->op_first, copp);
if(ret)
return ret;
}
}
return NULL;
}
#define lex_consume_unichar(c) MY_lex_consume_unichar(aTHX_ c)
static bool MY_lex_consume_unichar(pTHX_ U32 c)
{
if(lex_peek_unichar(0) != c)
return FALSE;
lex_read_unichar(0);
return TRUE;
}
#define av_push_from_av_inc(dst, src) S_av_push_from_av(aTHX_ dst, src, TRUE)
#define av_push_from_av_noinc(dst, src) S_av_push_from_av(aTHX_ dst, src, FALSE)
static void S_av_push_from_av(pTHX_ AV *dst, AV *src, bool refcnt_inc)
{
SSize_t count = av_count(src);
SSize_t i;
av_extend(dst, av_count(dst) + count - 1);
SV **vals = AvARRAY(src);
for(i = 0; i < count; i++) {
SV *sv = vals[i];
av_push(dst, refcnt_inc ? SvREFCNT_inc(sv) : sv);
}
}
|
