Revert "Add tiny tweaks stolen from Class::XSAccessor 1.07"
[gitmo/Mouse.git] / mouse.h
CommitLineData
df6dd016 1#ifndef MOUSE_H
2#define MOUSE_H
3
4#define PERL_NO_GET_CONTEXT
5#include <EXTERN.h>
6#include <perl.h>
7#include <XSUB.h>
8
9#include "ppport.h"
10
d2410475 11/* Portability stuff */
12
cccb83de 13#ifndef newSVpvs_share
14#define newSVpvs_share(s) Perl_newSVpvn_share(aTHX_ s, sizeof(s)-1, 0U)
15#endif
16
da4432f3 17#ifndef get_cvs
18#define get_cvs(name, flags) get_cv(name, flags)
19#endif
20
3ea28db6 21#ifndef GvNAME_get
22#define GvNAME_get GvNAME
23#endif
24#ifndef GvNAMELEN_get
25#define GvNAMELEN_get GvNAMELEN
26#endif
27
d6ceb359 28#ifndef CvGV_set
29#define CvGV_set(cv, gv) (CvGV(cv) = (gv))
30#endif
31
cccb83de 32#ifndef mro_get_linear_isa
33#define no_mro_get_linear_isa
34#define mro_get_linear_isa(stash) mouse_mro_get_linear_isa(aTHX_ stash)
3ea28db6 35AV* mouse_mro_get_linear_isa(pTHX_ HV* const stash);
da4b1214 36#define mro_method_changed_in(stash) ((void)++PL_sub_generation)
cccb83de 37#endif /* !mro_get_linear_isa */
38
39#ifndef mro_get_pkg_gen
40#ifdef no_mro_get_linear_isa
41#define mro_get_pkg_gen(stash) ((void)stash, PL_sub_generation)
42#else
43#define mro_get_pkg_gen(stash) (HvAUX(stash)->xhv_mro_meta ? HvAUX(stash)->xhv_mro_meta->pkg_gen : (U32)0)
44#endif /* !no_mro_get_linear_isa */
45#endif /* mro_get_package_gen */
46
d2410475 47#if !defined(__GNUC__)
48# if (!defined(__cplusplus__) || !defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L)) && !defined(inline)
49# define inline /* nothing */
50# endif
51#endif
52
53/* Mouse stuff */
54
327413ed 55#define newAV_mortal() (AV*)sv_2mortal((SV*)newAV())
56#define newHV_mortal() (HV*)sv_2mortal((SV*)newHV())
57
3ea28db6 58#define MOUSE_CALL_BOOT(name) STMT_START { \
43165725 59 EXTERN_C XS(CAT2(boot_, name)); \
60 PUSHMARK(SP); \
61 CALL_FPTR(CAT2(boot_, name))(aTHX_ cv); \
62 } STMT_END
63
cccb83de 64extern SV* mouse_package;
65extern SV* mouse_namespace;
a5df48e5 66extern SV* mouse_methods;
67extern SV* mouse_name;
d39ac61c 68extern SV* mouse_coerce;
43165725 69
93540011 70void
71mouse_throw_error(SV* const metaobject, SV* const data /* not used */, const char* const fmt, ...)
72#ifdef __attribute__format__
73 __attribute__format__(__printf__, 3, 4);
74#else
75 ;
76#endif
77
b3cd4c14 78/* workaround RT #69939 */
79I32
80mouse_call_sv_safe(pTHX_ SV*, I32);
81
82#define call_sv_safe(sv, flags) mouse_call_sv_safe(aTHX_ sv, flags)
83#define call_method_safe(m, flags) mouse_call_sv_safe(aTHX_ newSVpvn_flags(m, strlen(m), SVs_TEMP), flags | G_METHOD)
84#define call_method_safes(m, flags) mouse_call_sv_safe(aTHX_ newSVpvs_flags(m, SVs_TEMP), flags | G_METHOD)
85
86
df6dd016 87#define is_class_loaded(sv) mouse_is_class_loaded(aTHX_ sv)
88bool mouse_is_class_loaded(pTHX_ SV*);
89
016e4681 90#define is_an_instance_of(klass, sv) mouse_is_an_instance_of(aTHX_ gv_stashpvs(klass, GV_ADD), (sv))
df6dd016 91
80aa5731 92#define IsObject(sv) (SvROK(sv) && SvOBJECT(SvRV(sv)))
93#define IsArrayRef(sv) (SvROK(sv) && !SvOBJECT(SvRV(sv)) && SvTYPE(SvRV(sv)) == SVt_PVAV)
94#define IsHashRef(sv) (SvROK(sv) && !SvOBJECT(SvRV(sv)) && SvTYPE(SvRV(sv)) == SVt_PVHV)
95#define IsCodeRef(sv) (SvROK(sv) && !SvOBJECT(SvRV(sv)) && SvTYPE(SvRV(sv)) == SVt_PVCV)
df6dd016 96
0aad0266 97#define mcall0(invocant, m) mouse_call0(aTHX_ (invocant), (m))
98#define mcall1(invocant, m, arg1) mouse_call1(aTHX_ (invocant), (m), (arg1))
99#define predicate_call(invocant, m) mouse_predicate_call(aTHX_ (invocant), (m))
100
101#define mcall0s(invocant, m) mcall0((invocant), sv_2mortal(newSVpvs_share(m)))
102#define mcall1s(invocant, m, arg1) mcall1((invocant), sv_2mortal(newSVpvs_share(m)), (arg1))
103#define predicate_calls(invocant, m) predicate_call((invocant), sv_2mortal(newSVpvs_share(m)))
104
df6dd016 105
aa2d2e2c 106#define get_metaclass(name) mouse_get_metaclass(aTHX_ name)
a39e9541 107
df6dd016 108SV* mouse_call0(pTHX_ SV *const self, SV *const method);
109SV* mouse_call1(pTHX_ SV *const self, SV *const method, SV* const arg1);
0aad0266 110int mouse_predicate_call(pTHX_ SV* const self, SV* const method);
df6dd016 111
aa2d2e2c 112SV* mouse_get_metaclass(pTHX_ SV* metaclass_name);
a39e9541 113
114GV* mouse_stash_fetch(pTHX_ HV* const stash, const char* const name, I32 const namelen, I32 const create);
115#define stash_fetch(s, n, l, c) mouse_stash_fetch(aTHX_ (s), (n), (l), (c))
116#define stash_fetchs(s, n, c) mouse_stash_fetch(aTHX_ (s), STR_WITH_LEN(n), (c))
117
d67f600d 118void mouse_install_sub(pTHX_ GV* const gv, SV* const code_ref);
a39e9541 119
d06d9266 120void mouse_must_defined(pTHX_ SV* const value, const char* const name);
121void mouse_must_ref(pTHX_ SV* const value, const char* const name, svtype const t);
122
123#define must_defined(sv, name) mouse_must_defined(aTHX_ sv, name)
124#define must_ref(sv, name, svt) mouse_must_ref(aTHX_ sv, name, svt)
125
43165725 126#define MOUSEf_DIE_ON_FAIL 0x01
127MAGIC* mouse_mg_find(pTHX_ SV* const sv, const MGVTBL* const vtbl, I32 const flags);
128
93540011 129/* MOUSE_av_at(av, ix) is the safer version of AvARRAY(av)[ix] if perl is compiled with -DDEBUGGING */
130#ifdef DEBUGGING
131#define MOUSE_av_at(av, ix) *mouse_av_at_safe(aTHX_ (av) , (ix))
132SV** mouse_av_at_safe(pTHX_ AV* const mi, I32 const ix);
133#else
134#define MOUSE_av_at(av, ix) AvARRAY(av)[ix]
135#endif
136
93540011 137#define MOUSE_mg_obj(mg) ((mg)->mg_obj)
138#define MOUSE_mg_ptr(mg) ((mg)->mg_ptr)
ace98309 139#define MOUSE_mg_len(mg) ((mg)->mg_len)
93540011 140#define MOUSE_mg_flags(mg) ((mg)->mg_private)
141#define MOUSE_mg_virtual(mg) ((mg)->mg_virtual)
142
143#define MOUSE_mg_slot(mg) MOUSE_mg_obj(mg)
144#define MOUSE_mg_xa(mg) ((AV*)MOUSE_mg_ptr(mg))
145
43165725 146
147/* mouse_instance.xs stuff */
148SV* mouse_instance_create (pTHX_ HV* const stash);
149SV* mouse_instance_clone (pTHX_ SV* const instance);
150bool mouse_instance_has_slot (pTHX_ SV* const instance, SV* const slot);
151SV* mouse_instance_get_slot (pTHX_ SV* const instance, SV* const slot);
152SV* mouse_instance_set_slot (pTHX_ SV* const instance, SV* const slot, SV* const value);
153SV* mouse_instance_delete_slot(pTHX_ SV* const instance, SV* const slot);
154void mouse_instance_weaken_slot(pTHX_ SV* const instance, SV* const slot);
155
f790c46b 156#define has_slot(self, key) mouse_instance_has_slot(aTHX_ self, key)
157#define get_slot(self, key) mouse_instance_get_slot(aTHX_ self, key)
158#define set_slot(self, key, value) mouse_instance_set_slot(aTHX_ self, key, value)
6fe2272b 159#define delete_slot(self, key) mouse_instance_delete_slot(aTHX_ self, key)
160#define weaken_slot(self, key) mouse_instance_weaken_slot(aTHX_ self, key)
f790c46b 161
6fe2272b 162#define has_slots(self, key) has_slot(self, sv_2mortal(newSVpvs_share(key)))
163#define get_slots(self, key) get_slot(self, sv_2mortal(newSVpvs_share(key)))
164#define set_slots(self, key, value) set_slot(self, sv_2mortal(newSVpvs_share(key)), value)
43165725 165
166/* mouse_simle_accessor.xs */
e058b279 167#define INSTALL_SIMPLE_READER(klass, name) \
168 INSTALL_SIMPLE_READER_WITH_KEY(klass, name, name)
169#define INSTALL_SIMPLE_READER_WITH_KEY(klass, name, key) \
a17f6313 170 (void)mouse_simple_accessor_generate(aTHX_ "Mouse::Meta::" #klass "::" #name, #key, sizeof(#key)-1, XS_Mouse_simple_reader, NULL, 0)
e058b279 171
787f84c2 172#define INSTALL_CLASS_HOLDER_SV(klass, name, dsv) \
2468f1d7 173 (void)mouse_simple_accessor_generate(aTHX_ "Mouse::Meta::" #klass "::" #name, #name, sizeof(#name)-1, XS_Mouse_simple_reader, (dsv), HEf_SVKEY)
787f84c2 174#define INSTALL_CLASS_HOLDER(klass, name, ds) \
175 INSTALL_CLASS_HOLDER_SV(klass, name, newSVpvs(ds))
2468f1d7 176
e058b279 177#define INSTALL_SIMPLE_WRITER(klass, name) \
178 NSTALL_SIMPLE_WRITER_WITH_KEY(klass, name, name)
179#define INSTALL_SIMPLE_WRITER_WITH_KEY(klass, name, key) \
a17f6313 180 (void)mouse_simple_accessor_generate(aTHX_ "Mouse::Meta::" #klass "::" #name, #key, sizeof(#key)-1, XS_Mouse_simple_writer, NULL, 0)
e058b279 181
182#define INSTALL_SIMPLE_PREDICATE(klass, name) \
183 INSTALL_SIMPLE_PREDICATE_WITH_KEY(klass, name, name)
184#define INSTALL_SIMPLE_PREDICATE_WITH_KEY(klass, name, key) \
a17f6313 185 (void)mouse_simple_accessor_generate(aTHX_ "Mouse::Meta::" #klass "::" #name, #key, sizeof(#key)-1, XS_Mouse_simple_predicate, NULL, 0)
e058b279 186
a17f6313 187CV* mouse_simple_accessor_generate(pTHX_ const char* const fq_name, const char* const key, I32 const keylen, XSUBADDR_t const accessor_impl, void* const dptr, I32 const dlen);
43165725 188
30e11004 189XS(XS_Mouse_simple_reader);
190XS(XS_Mouse_simple_writer);
191XS(XS_Mouse_simple_clearer);
192XS(XS_Mouse_simple_predicate);
df6dd016 193
a17f6313 194CV* mouse_accessor_generate(pTHX_ SV* const attr, XSUBADDR_t const accessor_impl);
93540011 195
30e11004 196XS(XS_Mouse_accessor);
197XS(XS_Mouse_reader);
198XS(XS_Mouse_writer);
93540011 199
7d96ae4d 200/* type constraints */
201
1d5ecd5f 202int mouse_tc_check(pTHX_ SV* const tc, SV* const sv);
19462c57 203
204int mouse_tc_Any (pTHX_ SV*, SV* const sv);
205int mouse_tc_Bool (pTHX_ SV*, SV* const sv);
206int mouse_tc_Undef (pTHX_ SV*, SV* const sv);
207int mouse_tc_Defined (pTHX_ SV*, SV* const sv);
208int mouse_tc_Value (pTHX_ SV*, SV* const sv);
209int mouse_tc_Num (pTHX_ SV*, SV* const sv);
210int mouse_tc_Int (pTHX_ SV*, SV* const sv);
211int mouse_tc_Str (pTHX_ SV*, SV* const sv);
212int mouse_tc_ClassName (pTHX_ SV*, SV* const sv);
213int mouse_tc_RoleName (pTHX_ SV*, SV* const sv);
214int mouse_tc_Ref (pTHX_ SV*, SV* const sv);
215int mouse_tc_ScalarRef (pTHX_ SV*, SV* const sv);
216int mouse_tc_ArrayRef (pTHX_ SV*, SV* const sv);
217int mouse_tc_HashRef (pTHX_ SV*, SV* const sv);
218int mouse_tc_CodeRef (pTHX_ SV*, SV* const sv);
219int mouse_tc_RegexpRef (pTHX_ SV*, SV* const sv);
220int mouse_tc_GlobRef (pTHX_ SV*, SV* const sv);
221int mouse_tc_FileHandle(pTHX_ SV*, SV* const sv);
222int mouse_tc_Object (pTHX_ SV*, SV* const sv);
7d96ae4d 223
672bde7c 224CV* mouse_generate_isa_predicate_for(pTHX_ SV* const klass, const char* const predicate_name);
ebe91068 225CV* mouse_generate_can_predicate_for(pTHX_ SV* const klass, const char* const predicate_name);
f48920c1 226
016e4681 227int mouse_is_an_instance_of(pTHX_ HV* const stash, SV* const instance);
228
19462c57 229XS(XS_Mouse_constraint_check);
af5eccce 230
0aad0266 231/* Mouse XS Attribute object */
232
233AV* mouse_get_xa(pTHX_ SV* const attr);
4e7e3250 234SV* mouse_xa_apply_type_constraint(pTHX_ AV* const xa, SV* value, U16 const flags);
235SV* mouse_xa_set_default(pTHX_ AV* const xa, SV* const object);
0aad0266 236
237enum mouse_xa_ix_t{
238 MOUSE_XA_SLOT, /* for constructors, sync to mg_obj */
239 MOUSE_XA_FLAGS, /* for constructors, sync to mg_private */
240 MOUSE_XA_ATTRIBUTE,
4e7e3250 241 MOUSE_XA_INIT_ARG,
0aad0266 242 MOUSE_XA_TC,
243 MOUSE_XA_TC_CODE,
244
245 MOUSE_XA_last
246};
247
248#define MOUSE_xa_slot(m) MOUSE_av_at(m, MOUSE_XA_SLOT)
4e7e3250 249#define MOUSE_xa_flags(m) SvUVX( MOUSE_av_at(m, MOUSE_XA_FLAGS) )
0aad0266 250#define MOUSE_xa_attribute(m) MOUSE_av_at(m, MOUSE_XA_ATTRIBUTE)
4e7e3250 251#define MOUSE_xa_init_arg(m) MOUSE_av_at(m, MOUSE_XA_INIT_ARG)
0aad0266 252#define MOUSE_xa_tc(m) MOUSE_av_at(m, MOUSE_XA_TC)
253#define MOUSE_xa_tc_code(m) MOUSE_av_at(m, MOUSE_XA_TC_CODE)
254
0aad0266 255enum mouse_xa_flags_t{
256 MOUSEf_ATTR_HAS_TC = 0x0001,
257 MOUSEf_ATTR_HAS_DEFAULT = 0x0002,
258 MOUSEf_ATTR_HAS_BUILDER = 0x0004,
4e7e3250 259 MOUSEf_ATTR_HAS_INITIALIZER = 0x0008, /* not used */
0aad0266 260 MOUSEf_ATTR_HAS_TRIGGER = 0x0010,
261
262 MOUSEf_ATTR_IS_LAZY = 0x0020,
263 MOUSEf_ATTR_IS_WEAK_REF = 0x0040,
264 MOUSEf_ATTR_IS_REQUIRED = 0x0080,
265
266 MOUSEf_ATTR_SHOULD_COERCE = 0x0100,
267
268 MOUSEf_ATTR_SHOULD_AUTO_DEREF
269 = 0x0200,
270 MOUSEf_TC_IS_ARRAYREF = 0x0400,
271 MOUSEf_TC_IS_HASHREF = 0x0800,
272
273 MOUSEf_OTHER1 = 0x1000,
274 MOUSEf_OTHER2 = 0x2000,
275 MOUSEf_OTHER3 = 0x4000,
276 MOUSEf_OTHER4 = 0x8000,
277
278 MOUSEf_MOUSE_MASK = 0xFFFF /* not used */
279};
280
281
df6dd016 282#endif /* !MOUSE_H */
283