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25468daa FC |
1 | /* inline.h |
2 | * | |
3 | * Copyright (C) 2012 by Larry Wall and others | |
4 | * | |
5 | * You may distribute under the terms of either the GNU General Public | |
6 | * License or the Artistic License, as specified in the README file. | |
7 | * | |
8 | * This file is a home for static inline functions that cannot go in other | |
9 | * headers files, because they depend on proto.h (included after most other | |
10 | * headers) or struct definitions. | |
11 | * | |
12 | * Each section names the header file that the functions "belong" to. | |
13 | */ | |
27669aa4 | 14 | |
be3a7a5d KW |
15 | /* ------------------------------- av.h ------------------------------- */ |
16 | ||
c70927a6 | 17 | PERL_STATIC_INLINE SSize_t |
be3a7a5d KW |
18 | S_av_top_index(pTHX_ AV *av) |
19 | { | |
20 | PERL_ARGS_ASSERT_AV_TOP_INDEX; | |
21 | assert(SvTYPE(av) == SVt_PVAV); | |
22 | ||
23 | return AvFILL(av); | |
24 | } | |
25 | ||
1afe1db1 FC |
26 | /* ------------------------------- cv.h ------------------------------- */ |
27 | ||
28 | PERL_STATIC_INLINE I32 * | |
29 | S_CvDEPTHp(const CV * const sv) | |
30 | { | |
31 | assert(SvTYPE(sv) == SVt_PVCV || SvTYPE(sv) == SVt_PVFM); | |
8de47657 | 32 | return &((XPVCV*)SvANY(sv))->xcv_depth; |
1afe1db1 FC |
33 | } |
34 | ||
d16269d8 PM |
35 | /* |
36 | CvPROTO returns the prototype as stored, which is not necessarily what | |
37 | the interpreter should be using. Specifically, the interpreter assumes | |
38 | that spaces have been stripped, which has been the case if the prototype | |
39 | was added by toke.c, but is generally not the case if it was added elsewhere. | |
40 | Since we can't enforce the spacelessness at assignment time, this routine | |
41 | provides a temporary copy at parse time with spaces removed. | |
42 | I<orig> is the start of the original buffer, I<len> is the length of the | |
43 | prototype and will be updated when this returns. | |
44 | */ | |
45 | ||
5b67adb8 | 46 | #ifdef PERL_CORE |
d16269d8 PM |
47 | PERL_STATIC_INLINE char * |
48 | S_strip_spaces(pTHX_ const char * orig, STRLEN * const len) | |
49 | { | |
50 | SV * tmpsv; | |
51 | char * tmps; | |
52 | tmpsv = newSVpvn_flags(orig, *len, SVs_TEMP); | |
53 | tmps = SvPVX(tmpsv); | |
54 | while ((*len)--) { | |
55 | if (!isSPACE(*orig)) | |
56 | *tmps++ = *orig; | |
57 | orig++; | |
58 | } | |
59 | *tmps = '\0'; | |
60 | *len = tmps - SvPVX(tmpsv); | |
61 | return SvPVX(tmpsv); | |
62 | } | |
5b67adb8 | 63 | #endif |
d16269d8 | 64 | |
25fdce4a FC |
65 | /* ------------------------------- mg.h ------------------------------- */ |
66 | ||
67 | #if defined(PERL_CORE) || defined(PERL_EXT) | |
68 | /* assumes get-magic and stringification have already occurred */ | |
69 | PERL_STATIC_INLINE STRLEN | |
70 | S_MgBYTEPOS(pTHX_ MAGIC *mg, SV *sv, const char *s, STRLEN len) | |
71 | { | |
72 | assert(mg->mg_type == PERL_MAGIC_regex_global); | |
73 | assert(mg->mg_len != -1); | |
74 | if (mg->mg_flags & MGf_BYTES || !DO_UTF8(sv)) | |
75 | return (STRLEN)mg->mg_len; | |
76 | else { | |
77 | const STRLEN pos = (STRLEN)mg->mg_len; | |
78 | /* Without this check, we may read past the end of the buffer: */ | |
79 | if (pos > sv_or_pv_len_utf8(sv, s, len)) return len+1; | |
80 | return sv_or_pv_pos_u2b(sv, s, pos, NULL); | |
81 | } | |
82 | } | |
83 | #endif | |
84 | ||
8d919b0a FC |
85 | /* ----------------------------- regexp.h ----------------------------- */ |
86 | ||
87 | PERL_STATIC_INLINE struct regexp * | |
88 | S_ReANY(const REGEXP * const re) | |
89 | { | |
90 | assert(isREGEXP(re)); | |
91 | return re->sv_u.svu_rx; | |
92 | } | |
93 | ||
27669aa4 FC |
94 | /* ------------------------------- sv.h ------------------------------- */ |
95 | ||
96 | PERL_STATIC_INLINE SV * | |
97 | S_SvREFCNT_inc(SV *sv) | |
98 | { | |
2439e033 | 99 | if (LIKELY(sv != NULL)) |
27669aa4 FC |
100 | SvREFCNT(sv)++; |
101 | return sv; | |
102 | } | |
103 | PERL_STATIC_INLINE SV * | |
104 | S_SvREFCNT_inc_NN(SV *sv) | |
105 | { | |
106 | SvREFCNT(sv)++; | |
107 | return sv; | |
108 | } | |
109 | PERL_STATIC_INLINE void | |
110 | S_SvREFCNT_inc_void(SV *sv) | |
111 | { | |
2439e033 | 112 | if (LIKELY(sv != NULL)) |
27669aa4 FC |
113 | SvREFCNT(sv)++; |
114 | } | |
75e16a44 FC |
115 | PERL_STATIC_INLINE void |
116 | S_SvREFCNT_dec(pTHX_ SV *sv) | |
117 | { | |
2439e033 | 118 | if (LIKELY(sv != NULL)) { |
75a9bf96 | 119 | U32 rc = SvREFCNT(sv); |
79e2a32a | 120 | if (LIKELY(rc > 1)) |
75a9bf96 DM |
121 | SvREFCNT(sv) = rc - 1; |
122 | else | |
123 | Perl_sv_free2(aTHX_ sv, rc); | |
75e16a44 FC |
124 | } |
125 | } | |
541377b1 FC |
126 | |
127 | PERL_STATIC_INLINE void | |
4a9a56a7 DM |
128 | S_SvREFCNT_dec_NN(pTHX_ SV *sv) |
129 | { | |
130 | U32 rc = SvREFCNT(sv); | |
79e2a32a | 131 | if (LIKELY(rc > 1)) |
4a9a56a7 DM |
132 | SvREFCNT(sv) = rc - 1; |
133 | else | |
134 | Perl_sv_free2(aTHX_ sv, rc); | |
135 | } | |
136 | ||
137 | PERL_STATIC_INLINE void | |
541377b1 FC |
138 | SvAMAGIC_on(SV *sv) |
139 | { | |
140 | assert(SvROK(sv)); | |
141 | if (SvOBJECT(SvRV(sv))) HvAMAGIC_on(SvSTASH(SvRV(sv))); | |
142 | } | |
143 | PERL_STATIC_INLINE void | |
144 | SvAMAGIC_off(SV *sv) | |
145 | { | |
146 | if (SvROK(sv) && SvOBJECT(SvRV(sv))) | |
147 | HvAMAGIC_off(SvSTASH(SvRV(sv))); | |
148 | } | |
149 | ||
150 | PERL_STATIC_INLINE U32 | |
151 | S_SvPADTMP_on(SV *sv) | |
152 | { | |
153 | assert(!(SvFLAGS(sv) & SVs_PADMY)); | |
154 | return SvFLAGS(sv) |= SVs_PADTMP; | |
155 | } | |
156 | PERL_STATIC_INLINE U32 | |
157 | S_SvPADTMP_off(SV *sv) | |
158 | { | |
159 | assert(!(SvFLAGS(sv) & SVs_PADMY)); | |
160 | return SvFLAGS(sv) &= ~SVs_PADTMP; | |
161 | } | |
162 | PERL_STATIC_INLINE U32 | |
163 | S_SvPADSTALE_on(SV *sv) | |
164 | { | |
165 | assert(SvFLAGS(sv) & SVs_PADMY); | |
166 | return SvFLAGS(sv) |= SVs_PADSTALE; | |
167 | } | |
168 | PERL_STATIC_INLINE U32 | |
169 | S_SvPADSTALE_off(SV *sv) | |
170 | { | |
171 | assert(SvFLAGS(sv) & SVs_PADMY); | |
172 | return SvFLAGS(sv) &= ~SVs_PADSTALE; | |
173 | } | |
25fdce4a | 174 | #if defined(PERL_CORE) || defined (PERL_EXT) |
4ddea69a | 175 | PERL_STATIC_INLINE STRLEN |
6964422a | 176 | S_sv_or_pv_pos_u2b(pTHX_ SV *sv, const char *pv, STRLEN pos, STRLEN *lenp) |
4ddea69a | 177 | { |
25fdce4a | 178 | PERL_ARGS_ASSERT_SV_OR_PV_POS_U2B; |
4ddea69a FC |
179 | if (SvGAMAGIC(sv)) { |
180 | U8 *hopped = utf8_hop((U8 *)pv, pos); | |
181 | if (lenp) *lenp = (STRLEN)(utf8_hop(hopped, *lenp) - hopped); | |
182 | return (STRLEN)(hopped - (U8 *)pv); | |
183 | } | |
184 | return sv_pos_u2b_flags(sv,pos,lenp,SV_CONST_RETURN); | |
185 | } | |
186 | #endif | |
f019c49e | 187 | |
d1decf2b TC |
188 | /* ------------------------------- handy.h ------------------------------- */ |
189 | ||
190 | /* saves machine code for a common noreturn idiom typically used in Newx*() */ | |
191 | #ifdef __clang__ | |
192 | #pragma clang diagnostic push | |
193 | #pragma clang diagnostic ignored "-Wunused-function" | |
194 | #endif | |
195 | static void | |
196 | S_croak_memory_wrap(void) | |
197 | { | |
198 | Perl_croak_nocontext("%s",PL_memory_wrap); | |
199 | } | |
200 | #ifdef __clang__ | |
201 | #pragma clang diagnostic pop | |
202 | #endif | |
203 | ||
a8a2ceaa KW |
204 | /* ------------------------------- utf8.h ------------------------------- */ |
205 | ||
206 | /* These exist only to replace the macros they formerly were so that their use | |
207 | * can be deprecated */ | |
208 | ||
209 | PERL_STATIC_INLINE bool | |
210 | S_isIDFIRST_lazy(pTHX_ const char* p) | |
211 | { | |
212 | PERL_ARGS_ASSERT_ISIDFIRST_LAZY; | |
213 | ||
214 | return isIDFIRST_lazy_if(p,1); | |
215 | } | |
216 | ||
217 | PERL_STATIC_INLINE bool | |
218 | S_isALNUM_lazy(pTHX_ const char* p) | |
219 | { | |
220 | PERL_ARGS_ASSERT_ISALNUM_LAZY; | |
221 | ||
222 | return isALNUM_lazy_if(p,1); | |
223 | } |