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1 | #ifndef __MOP_H__ |
2 | #define __MOP_H__ |
3 | |
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4 | #define PERL_NO_GET_CONTEXT |
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5 | #include "EXTERN.h" |
6 | #include "perl.h" |
7 | #include "XSUB.h" |
8 | |
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9 | #include "ppport.h" |
10 | |
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11 | #define MOP_CALL_BOOT(name) mop_call_xs(aTHX_ name, cv, mark); |
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12 | |
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13 | #ifndef XSPROTO |
14 | #define XSPROTO(name) XS(name) |
15 | #endif |
16 | |
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17 | void mop_call_xs (pTHX_ XSPROTO(subaddr), CV *cv, SV **mark); |
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18 | |
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19 | |
20 | #define MAKE_KEYSV(name) newSVpvn_share(#name, sizeof(#name)-1, 0U) |
21 | |
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22 | XS(mop_xs_simple_accessor); |
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23 | XS(mop_xs_simple_reader); |
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24 | XS(mop_xs_simple_writer); |
25 | XS(mop_xs_simple_predicate); |
26 | XS(mop_xs_simple_predicate_for_metaclass); |
27 | XS(mop_xs_simple_clearer); |
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28 | |
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29 | extern SV *mop_method_metaclass; |
30 | extern SV *mop_associated_metaclass; |
31 | extern SV *mop_wrap; |
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32 | extern SV *mop_methods; |
33 | extern SV *mop_name; |
34 | extern SV *mop_body; |
35 | extern SV *mop_package; |
36 | extern SV *mop_package_name; |
37 | extern SV *mop_package_cache_flag; |
38 | extern SV *mop_VERSION; |
39 | extern SV *mop_ISA; |
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40 | |
41 | UV mop_check_package_cache_flag(pTHX_ HV *stash); |
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42 | int mop_get_code_info (SV *coderef, char **pkg, char **name); |
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43 | SV *mop_call0(pTHX_ SV *const self, SV *const method); |
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44 | SV *mop_call1(pTHX_ SV *const self, SV *const method, SV *const arg1); |
45 | |
46 | #define mop_call0_pvs(o, m) mop_call0(aTHX_ o, newSVpvs_flags(m, SVs_TEMP)) |
47 | #define mop_call1_pvs(o, m, a) mop_call1(aTHX_ o, newSVpvs_flags(m, SVs_TEMP), a) |
48 | |
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49 | |
50 | typedef enum { |
51 | TYPE_FILTER_NONE, |
52 | TYPE_FILTER_CODE, |
53 | TYPE_FILTER_ARRAY, |
54 | TYPE_FILTER_IO, |
55 | TYPE_FILTER_HASH, |
56 | TYPE_FILTER_SCALAR, |
57 | } type_filter_t; |
58 | |
59 | typedef bool (*get_package_symbols_cb_t) (const char *, STRLEN, SV *, void *); |
60 | |
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61 | void mop_get_package_symbols(HV *stash, type_filter_t filter, get_package_symbols_cb_t cb, void *ud); |
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62 | HV *mop_get_all_package_symbols (HV *stash, type_filter_t filter); |
63 | |
64 | |
65 | /* Class::MOP::Instance stuff */ |
66 | |
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67 | /* MI: Meta Instance object of Class::MOP::Method */ |
68 | |
69 | /* All the MOP_mg_* macros require MAGIC* mg for the first argument */ |
70 | /* All the MOP_mi_* macros require AV* mi for the first argument */ |
71 | |
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72 | typedef struct { |
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73 | SV* (*create_instance)(pTHX_ MAGIC* const mg); |
74 | bool (*has_slot) (pTHX_ MAGIC* const mg, SV* const instance); |
75 | SV* (*get_slot) (pTHX_ MAGIC* const mg, SV* const instance); |
76 | SV* (*set_slot) (pTHX_ MAGIC* const mg, SV* const instance, SV* const value); |
77 | SV* (*delete_slot) (pTHX_ MAGIC* const mg, SV* const instance); |
78 | void (*weaken_slot) (pTHX_ MAGIC* const mg, SV* const instance); |
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79 | } mop_instance_vtbl; |
80 | |
81 | const mop_instance_vtbl* mop_get_default_instance_vtbl(pTHX); |
82 | |
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83 | #define MOP_MI_SLOT 0 |
84 | #define MOP_MI_last 1 |
85 | |
86 | #define MOP_mg_mi(mg) ((AV*)(mg)->mg_obj) |
87 | #define MOP_mg_vtbl(mg) ((const mop_instance_vtbl*)(mg)->mg_ptr) |
88 | #define MOP_mg_flags(mg) ((mg)->mg_private) |
89 | |
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90 | #ifdef DEBUGGING |
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91 | #define MOP_mi_access(mi, a) *mop_debug_mi_access(aTHX_ (mi) , (a)) |
92 | SV** mop_debug_mi_access(pTHX_ AV* const mi, I32 const attr_ix); |
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93 | #else |
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94 | #define MOP_mi_access(mi, a) AvARRAY((mi))[(a)] |
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95 | #endif |
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96 | |
97 | #define MOP_mi_slot(mi) MOP_mi_access((mi), MOP_MI_SLOT) |
98 | #define MOP_mg_slot(mg) MOP_mi_slot(MOP_mg_mi(mg)) |
99 | |
100 | #define MOP_mg_create_instance(mg) MOP_mg_vtbl(mg)->create_instance (aTHX_ (mg)) |
101 | #define MOP_mg_has_slot(mg, o) MOP_mg_vtbl(mg)->has_slot (aTHX_ (mg), (o)) |
102 | #define MOP_mg_get_slot(mg, o) MOP_mg_vtbl(mg)->get_slot (aTHX_ (mg), (o)) |
103 | #define MOP_mg_set_slot(mg, o, v) MOP_mg_vtbl(mg)->set_slot (aTHX_ (mg), (o), (v)) |
104 | #define MOP_mg_delete_slot(mg, o) MOP_mg_vtbl(mg)->delete_slot (aTHX_ (mg), (o)) |
105 | #define MOP_mg_weaken_slot(mg, o) MOP_mg_vtbl(mg)->weaken_slot (aTHX_ (mg), (o)) |
106 | |
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107 | |
108 | /* Class::MOP::Method::Accessor stuff */ |
109 | |
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110 | #define dMOP_self SV* const self = mop_accessor_get_self(aTHX_ ax, items, cv) |
111 | #define dMOP_mg(xsub) MAGIC* mg = (MAGIC*)CvXSUBANY(xsub).any_ptr |
112 | #define dMOP_METHOD_COMMON dMOP_self; dMOP_mg(cv) |
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113 | |
114 | |
115 | SV* mop_accessor_get_self(pTHX_ I32 const ax, I32 const items, CV* const cv); |
116 | MAGIC* mop_accessor_get_mg(pTHX_ CV* const cv); |
117 | |
118 | CV* mop_install_accessor(pTHX_ const char* const fq_name, const char* const key, I32 const keylen, XSPROTO(accessor_impl), const mop_instance_vtbl* vtbl); |
119 | |
120 | #define INSTALL_SIMPLE_READER(klass, name) INSTALL_SIMPLE_READER_WITH_KEY(klass, name, name) |
121 | #define INSTALL_SIMPLE_READER_WITH_KEY(klass, name, key) (void)mop_install_accessor(aTHX_ "Class::MOP::" #klass "::" #name, #key, sizeof(#key)-1, mop_xs_simple_reader, NULL) |
122 | |
123 | #define INSTALL_SIMPLE_WRITER(klass, name) INSTALL_SIMPLE_WRITER_WITH_KEY(klass, name, name) |
124 | #define INSTALL_SIMPLE_WRITER_WITH_KEY(klass, name, key) (void)mop_install_accessor(aTHX_ "Class::MOP::" #klass "::" #name, #key, sizeof(#key)-1, mop_xs_simple_writer, NULL) |
125 | |
126 | #define INSTALL_SIMPLE_PREDICATE(klass, name) INSTALL_SIMPLE_PREDICATE_WITH_KEY(klass, name, name) |
127 | #define INSTALL_SIMPLE_PREDICATE_WITH_KEY(klass, name, key) (void)mop_install_accessor(aTHX_ "Class::MOP::" #klass "::has_" #name, #key, sizeof(#key)-1, mop_xs_simple_predicate_for_metaclass, NULL) |
128 | |
129 | #define MOPf_DIE_ON_FAIL 0x01 |
130 | MAGIC* mop_mg_find(pTHX_ SV* const sv, const MGVTBL* const vtbl, I32 const flags); |
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131 | |
132 | #endif |