1 /* This file is part of the "version" CPAN distribution. Please avoid
2 editing it in the perl core. */
3
4 /* The MUTABLE_*() macros cast pointers to the types shown, in such a way
5 * (compiler permitting) that casting away const-ness will give a warning;
6 * e.g.:
7 *
8 * const SV *sv = ...;
9 * AV *av1 = (AV*)sv; <== BAD: the const has been silently cast away
10 * AV *av2 = MUTABLE_AV(sv); <== GOOD: it may warn
11 */
12
13 #ifndef MUTABLE_PTR
14 # if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
15 # define MUTABLE_PTR(p) ({ void *_p = (p); _p; })
16 # else
17 # define MUTABLE_PTR(p) ((void *) (p))
18 # endif
19 #endif
20
21 #ifndef MUTABLE_AV
22 # define MUTABLE_AV(p) ((AV *)MUTABLE_PTR(p))
23 #endif
24 #ifndef MUTABLE_CV
25 # define MUTABLE_CV(p) ((CV *)MUTABLE_PTR(p))
26 #endif
27 #ifndef MUTABLE_GV
28 # define MUTABLE_GV(p) ((GV *)MUTABLE_PTR(p))
29 #endif
30 #ifndef MUTABLE_HV
31 # define MUTABLE_HV(p) ((HV *)MUTABLE_PTR(p))
32 #endif
33 #ifndef MUTABLE_IO
34 # define MUTABLE_IO(p) ((IO *)MUTABLE_PTR(p))
35 #endif
36 #ifndef MUTABLE_SV
37 # define MUTABLE_SV(p) ((SV *)MUTABLE_PTR(p))
38 #endif
39
40 #ifndef SvPVx_nolen_const
41 # if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
42 # define SvPVx_nolen_const(sv) ({SV *_sv = (sv); SvPV_nolen_const(_sv); })
43 # else
44 # define SvPVx_nolen_const(sv) (SvPV_nolen_const(sv))
45 # endif
46 #endif
47
48 #ifndef PERL_ARGS_ASSERT_CK_WARNER
49 static void Perl_ck_warner(pTHX_ U32 err, const char* pat, ...);
50
51 # ifdef vwarner
52 static
53 void
Perl_ck_warner(pTHX_ U32 err,const char * pat,...)54 Perl_ck_warner(pTHX_ U32 err, const char* pat, ...)
55 {
56 va_list args;
57
58 PERL_UNUSED_ARG(err);
59 if (ckWARN(err)) {
60 va_list args;
61 va_start(args, pat);
62 vwarner(err, pat, &args);
63 va_end(args);
64 }
65 }
66 # else
67 /* yes this replicates my_warner */
68 static
69 void
Perl_ck_warner(pTHX_ U32 err,const char * pat,...)70 Perl_ck_warner(pTHX_ U32 err, const char* pat, ...)
71 {
72 SV *sv;
73 va_list args;
74
75 PERL_UNUSED_ARG(err);
76
77 va_start(args, pat);
78 sv = vnewSVpvf(pat, &args);
79 va_end(args);
80 sv_2mortal(sv);
81 warn("%s", SvPV_nolen(sv));
82 }
83 # endif
84 #endif
85
86 #if PERL_VERSION_LT(5,15,4)
87 # define ISA_VERSION_OBJ(v) (sv_isobject(v) && sv_derived_from(v,"version"))
88 #else
89 # define ISA_VERSION_OBJ(v) (sv_isobject(v) && sv_derived_from_pvn(v,"version",7,0))
90 #endif
91
92 #ifndef PERL_ARGS_ASSERT_CROAK_XS_USAGE
93 #define PERL_ARGS_ASSERT_CROAK_XS_USAGE assert(cv); assert(params)
94
95 /* prototype to pass -Wmissing-prototypes */
96 STATIC void
97 S_croak_xs_usage(pTHX_ const CV *const cv, const char *const params);
98
99 STATIC void
S_croak_xs_usage(pTHX_ const CV * const cv,const char * const params)100 S_croak_xs_usage(pTHX_ const CV *const cv, const char *const params)
101 {
102 const GV *const gv = CvGV(cv);
103
104 PERL_ARGS_ASSERT_CROAK_XS_USAGE;
105
106 if (gv) {
107 const char *const gvname = GvNAME(gv);
108 const HV *const stash = GvSTASH(gv);
109 const char *const hvname = stash ? HvNAME(stash) : NULL;
110
111 if (hvname)
112 Perl_croak_nocontext("Usage: %s::%s(%s)", hvname, gvname, params);
113 else
114 Perl_croak_nocontext("Usage: %s(%s)", gvname, params);
115 } else {
116 /* Pants. I don't think that it should be possible to get here. */
117 Perl_croak_nocontext("Usage: CODE(0x%" UVxf ")(%s)", PTR2UV(cv), params);
118 }
119 }
120
121 #ifdef PERL_IMPLICIT_CONTEXT
122 #define croak_xs_usage(a,b) S_croak_xs_usage(aTHX_ a,b)
123 #else
124 #define croak_xs_usage S_croak_xs_usage
125 #endif
126
127 #endif
128
129 #if PERL_VERSION_GE(5,9,0) && !defined(PERL_CORE)
130
131 # define VUTIL_REPLACE_CORE 1
132
133 static const char * Perl_scan_version2(pTHX_ const char *s, SV *rv, bool qv);
134 static SV * Perl_new_version2(pTHX_ SV *ver);
135 static SV * Perl_upg_version2(pTHX_ SV *sv, bool qv);
136 static SV * Perl_vstringify2(pTHX_ SV *vs);
137 static SV * Perl_vverify2(pTHX_ SV *vs);
138 static SV * Perl_vnumify2(pTHX_ SV *vs);
139 static SV * Perl_vnormal2(pTHX_ SV *vs);
140 static SV * Perl_vstringify2(pTHX_ SV *vs);
141 static int Perl_vcmp2(pTHX_ SV *lsv, SV *rsv);
142 static const char * Perl_prescan_version2(pTHX_ const char *s, bool strict, const char** errstr, bool *sqv, int *ssaw_decimal, int *swidth, bool *salpha);
143
144 # define SCAN_VERSION(a,b,c) Perl_scan_version2(aTHX_ a,b,c)
145 # define NEW_VERSION(a) Perl_new_version2(aTHX_ a)
146 # define UPG_VERSION(a,b) Perl_upg_version2(aTHX_ a, b)
147 # define VSTRINGIFY(a) Perl_vstringify2(aTHX_ a)
148 # define VVERIFY(a) Perl_vverify2(aTHX_ a)
149 # define VNUMIFY(a) Perl_vnumify2(aTHX_ a)
150 # define VNORMAL(a) Perl_vnormal2(aTHX_ a)
151 # define VCMP(a,b) Perl_vcmp2(aTHX_ a,b)
152 # define PRESCAN_VERSION(a,b,c,d,e,f,g) Perl_prescan_version2(aTHX_ a,b,c,d,e,f,g)
153 # undef is_LAX_VERSION
154 # define is_LAX_VERSION(a,b) \
155 (a != Perl_prescan_version2(aTHX_ a, FALSE, b, NULL, NULL, NULL, NULL))
156 # undef is_STRICT_VERSION
157 # define is_STRICT_VERSION(a,b) \
158 (a != Perl_prescan_version2(aTHX_ a, TRUE, b, NULL, NULL, NULL, NULL))
159
160 #else
161
162 const char * Perl_scan_version(pTHX_ const char *s, SV *rv, bool qv);
163 SV * Perl_new_version(pTHX_ SV *ver);
164 SV * Perl_upg_version(pTHX_ SV *sv, bool qv);
165 SV * Perl_vverify(pTHX_ SV *vs);
166 SV * Perl_vnumify(pTHX_ SV *vs);
167 SV * Perl_vnormal(pTHX_ SV *vs);
168 SV * Perl_vstringify(pTHX_ SV *vs);
169 int Perl_vcmp(pTHX_ SV *lsv, SV *rsv);
170 const char * Perl_prescan_version(pTHX_ const char *s, bool strict, const char** errstr, bool *sqv, int *ssaw_decimal, int *swidth, bool *salpha);
171
172 # define SCAN_VERSION(a,b,c) Perl_scan_version(aTHX_ a,b,c)
173 # define NEW_VERSION(a) Perl_new_version(aTHX_ a)
174 # define UPG_VERSION(a,b) Perl_upg_version(aTHX_ a, b)
175 # define VSTRINGIFY(a) Perl_vstringify(aTHX_ a)
176 # define VVERIFY(a) Perl_vverify(aTHX_ a)
177 # define VNUMIFY(a) Perl_vnumify(aTHX_ a)
178 # define VNORMAL(a) Perl_vnormal(aTHX_ a)
179 # define VCMP(a,b) Perl_vcmp(aTHX_ a,b)
180
181 # define PRESCAN_VERSION(a,b,c,d,e,f,g) Perl_prescan_version(aTHX_ a,b,c,d,e,f,g)
182 # ifndef is_LAX_VERSION
183 # define is_LAX_VERSION(a,b) \
184 (a != Perl_prescan_version(aTHX_ a, FALSE, b, NULL, NULL, NULL, NULL))
185 # endif
186 # ifndef is_STRICT_VERSION
187 # define is_STRICT_VERSION(a,b) \
188 (a != Perl_prescan_version(aTHX_ a, TRUE, b, NULL, NULL, NULL, NULL))
189 # endif
190
191 #endif
192
193 #if PERL_VERSION_LT(5,11,4)
194 # define BADVERSION(a,b,c) \
195 if (b) { \
196 *b = c; \
197 } \
198 return a;
199
200 # define PERL_ARGS_ASSERT_PRESCAN_VERSION \
201 assert(s); assert(sqv); assert(ssaw_decimal);\
202 assert(swidth); assert(salpha);
203
204 # define PERL_ARGS_ASSERT_SCAN_VERSION \
205 assert(s); assert(rv)
206 # define PERL_ARGS_ASSERT_NEW_VERSION \
207 assert(ver)
208 # define PERL_ARGS_ASSERT_UPG_VERSION \
209 assert(ver)
210 # define PERL_ARGS_ASSERT_VVERIFY \
211 assert(vs)
212 # define PERL_ARGS_ASSERT_VNUMIFY \
213 assert(vs)
214 # define PERL_ARGS_ASSERT_VNORMAL \
215 assert(vs)
216 # define PERL_ARGS_ASSERT_VSTRINGIFY \
217 assert(vs)
218 # define PERL_ARGS_ASSERT_VCMP \
219 assert(lhv); assert(rhv)
220 # define PERL_ARGS_ASSERT_CK_WARNER \
221 assert(pat)
222 #endif
223
224
225 #if PERL_VERSION_LT(5,27,9)
226 # define LC_NUMERIC_LOCK(cond)
227 # define LC_NUMERIC_UNLOCK
228 # if PERL_VERSION_LT(5,19,0)
229 # undef STORE_LC_NUMERIC_SET_STANDARD
230 # undef RESTORE_LC_NUMERIC
231 # undef DECLARATION_FOR_LC_NUMERIC_MANIPULATION
232 # ifdef USE_LOCALE
233 # define DECLARATION_FOR_LC_NUMERIC_MANIPULATION char *loc
234 # define STORE_NUMERIC_SET_STANDARD()\
235 loc = savepv(setlocale(LC_NUMERIC, NULL)); \
236 SAVEFREEPV(loc); \
237 setlocale(LC_NUMERIC, "C");
238 # define RESTORE_LC_NUMERIC()\
239 setlocale(LC_NUMERIC, loc);
240 # else
241 # define DECLARATION_FOR_LC_NUMERIC_MANIPULATION
242 # define STORE_LC_NUMERIC_SET_STANDARD()
243 # define RESTORE_LC_NUMERIC()
244 # endif
245 # endif
246 #endif
247
248 #ifndef LOCK_NUMERIC_STANDARD
249 # define LOCK_NUMERIC_STANDARD()
250 #endif
251
252 #ifndef UNLOCK_NUMERIC_STANDARD
253 # define UNLOCK_NUMERIC_STANDARD()
254 #endif
255
256 /* The names of these changed in 5.28 */
257 #ifndef LOCK_LC_NUMERIC_STANDARD
258 # define LOCK_LC_NUMERIC_STANDARD() LOCK_NUMERIC_STANDARD()
259 #endif
260 #ifndef UNLOCK_LC_NUMERIC_STANDARD
261 # define UNLOCK_LC_NUMERIC_STANDARD() UNLOCK_NUMERIC_STANDARD()
262 #endif
263
264 /* ex: set ro: */
265