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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; |
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38 | extern SV *mop_initialize; |
39 | extern SV *mop_can; |
40 | extern SV *mop_Class; |
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41 | extern SV *mop_VERSION; |
42 | extern SV *mop_ISA; |
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43 | |
44 | UV mop_check_package_cache_flag(pTHX_ HV *stash); |
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45 | int mop_get_code_info (SV *coderef, char **pkg, char **name); |
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46 | SV *mop_call0(pTHX_ SV *const self, SV *const method); |
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47 | SV *mop_call1(pTHX_ SV *const self, SV *const method, SV *const arg1); |
48 | |
49 | #define mop_call0_pvs(o, m) mop_call0(aTHX_ o, newSVpvs_flags(m, SVs_TEMP)) |
50 | #define mop_call1_pvs(o, m, a) mop_call1(aTHX_ o, newSVpvs_flags(m, SVs_TEMP), a) |
51 | |
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52 | bool mop_is_class_loaded(pTHX_ SV*); |
53 | #define is_class_loaded(klass) mop_is_class_loaded(aTHX_ klass) |
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54 | |
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55 | bool mop_is_instance_of(pTHX_ SV*, SV*); |
56 | #define is_instance_of(sv, klass) mop_is_instance_of(aTHX_ sv, klass) |
57 | #define is_instance_of_pvs(sv, klass) mop_is_instance_of(aTHX_ sv, newSVpvs_flags(klass, SVs_TEMP)) |
58 | |
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59 | typedef enum { |
60 | TYPE_FILTER_NONE, |
61 | TYPE_FILTER_CODE, |
62 | TYPE_FILTER_ARRAY, |
63 | TYPE_FILTER_IO, |
64 | TYPE_FILTER_HASH, |
65 | TYPE_FILTER_SCALAR, |
66 | } type_filter_t; |
67 | |
68 | typedef bool (*get_package_symbols_cb_t) (const char *, STRLEN, SV *, void *); |
69 | |
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70 | void mop_get_package_symbols(HV *stash, type_filter_t filter, get_package_symbols_cb_t cb, void *ud); |
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71 | HV *mop_get_all_package_symbols (HV *stash, type_filter_t filter); |
72 | |
73 | |
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74 | /* Class::MOP Magic stuff */ |
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75 | |
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76 | /* MG: MOP Magic object */ |
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77 | |
78 | /* All the MOP_mg_* macros require MAGIC* mg for the first argument */ |
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79 | |
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80 | typedef struct { |
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81 | SV* (*create_instance)(pTHX_ HV* const stash); |
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82 | bool (*has_slot) (pTHX_ SV* const mi, SV* const instance); |
83 | SV* (*get_slot) (pTHX_ SV* const mi, SV* const instance); |
84 | SV* (*set_slot) (pTHX_ SV* const mi, SV* const instance, SV* const value); |
85 | SV* (*delete_slot) (pTHX_ SV* const mi, SV* const instance); |
86 | void (*weaken_slot) (pTHX_ SV* const mi, SV* const instance); |
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87 | } mop_instance_vtbl; |
88 | |
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89 | SV* mop_instance_create (pTHX_ HV* const stash); |
90 | SV* mop_instance_slot (pTHX_ SV* const meta_instance, SV* const attr); |
91 | bool mop_instance_has_slot (pTHX_ SV* const instance, SV* const slot); |
92 | SV* mop_instance_get_slot (pTHX_ SV* const instance, SV* const slot); |
93 | SV* mop_instance_set_slot (pTHX_ SV* const instance, SV* const slot, SV* const value); |
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94 | SV* mop_instance_delete_slot(pTHX_ SV* const instance, SV* const slot); |
95 | void mop_instance_weaken_slot(pTHX_ SV* const instance, SV* const slot); |
96 | |
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97 | const mop_instance_vtbl* mop_get_default_instance_vtbl(pTHX); |
98 | |
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99 | #define MOP_mg_obj(mg) ((mg)->mg_obj) |
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100 | #define MOP_mg_ptr(mg) ((mg)->mg_ptr) |
101 | #define MOP_mg_vtbl(mg) ((const mop_instance_vtbl*)MOP_mg_ptr(mg)) |
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102 | #define MOP_mg_flags(mg) ((mg)->mg_private) |
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103 | #define MOP_mg_virtual(mg) ((mg)->mg_virtual) |
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104 | |
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105 | #define MOP_mg_obj_refcounted_on(mg) (void)((mg)->mg_flags |= MGf_REFCOUNTED); |
106 | |
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107 | #define MOP_mg_create_instance(mg, stash) MOP_mg_vtbl(mg)->create_instance (aTHX_ (stash)) |
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108 | #define MOP_mg_has_slot(mg, o, slot) MOP_mg_vtbl(mg)->has_slot (aTHX_ (o), (slot)) |
109 | #define MOP_mg_get_slot(mg, o, slot) MOP_mg_vtbl(mg)->get_slot (aTHX_ (o), (slot)) |
110 | #define MOP_mg_set_slot(mg, o, slot, v) MOP_mg_vtbl(mg)->set_slot (aTHX_ (o), (slot), (v)) |
111 | #define MOP_mg_delete_slot(mg, o, slot) MOP_mg_vtbl(mg)->delete_slot (aTHX_ (o), (slot)) |
112 | #define MOP_mg_weaken_slot(mg, o, slot) MOP_mg_vtbl(mg)->weaken_slot (aTHX_ (o), (slot)) |
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113 | |
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114 | /* Class::MOP::Attribute stuff */ |
115 | |
116 | MAGIC* mop_attr_get_mg(pTHX_ SV* const attr); |
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117 | |
118 | /* Class::MOP::Method::Accessor stuff */ |
119 | |
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120 | #define dMOP_self SV* const self = mop_accessor_get_self(aTHX_ ax, items, cv) |
121 | #define dMOP_mg(xsub) MAGIC* mg = (MAGIC*)CvXSUBANY(xsub).any_ptr |
122 | #define dMOP_METHOD_COMMON dMOP_self; dMOP_mg(cv) |
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123 | |
124 | |
125 | SV* mop_accessor_get_self(pTHX_ I32 const ax, I32 const items, CV* const cv); |
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126 | MAGIC* mop_attr_get_mg(pTHX_ SV* const attr); |
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127 | |
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128 | CV* mop_install_accessor(pTHX_ const char* const fq_name, const char* const key, I32 const keylen, XSUBADDR_t const accessor_impl, const mop_instance_vtbl* vtbl); |
129 | CV* mop_instantiate_xs_accessor(pTHX_ SV* const accessor, XSUBADDR_t const accessor_impl, mop_instance_vtbl* const vtbl); |
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130 | |
131 | #define INSTALL_SIMPLE_READER(klass, name) INSTALL_SIMPLE_READER_WITH_KEY(klass, name, name) |
132 | #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) |
133 | |
134 | #define INSTALL_SIMPLE_WRITER(klass, name) INSTALL_SIMPLE_WRITER_WITH_KEY(klass, name, name) |
135 | #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) |
136 | |
137 | #define INSTALL_SIMPLE_PREDICATE(klass, name) INSTALL_SIMPLE_PREDICATE_WITH_KEY(klass, name, name) |
138 | #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) |
139 | |
140 | #define MOPf_DIE_ON_FAIL 0x01 |
141 | MAGIC* mop_mg_find(pTHX_ SV* const sv, const MGVTBL* const vtbl, I32 const flags); |
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142 | |
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143 | |
144 | #ifdef DEBUGGING |
145 | #define MOP_av_at(av, ix) *mop_av_at_safe(aTHX_ (av) , (ix)) |
146 | SV** mop_av_at_safe(pTHX_ AV* const mi, I32 const ix); |
147 | #else |
148 | #define MOP_av_at(av, ix) AvARRAY(av)[ix] |
149 | #endif |
150 | |
151 | #define IsObject(sv) (SvROK(sv) && SvOBJECT(SvRV(sv))) |
152 | |
153 | #define newSVsv_share(sv) mop_newSVsv_share(aTHX_ sv) |
154 | SV* mop_newSVsv_share(pTHX_ SV*); |
155 | |
156 | SV* mop_class_of(pTHX_ SV* const sv); |
157 | |
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158 | #endif |