Make it easier to simple xs hashref readers using prehashed keys.
[gitmo/Class-MOP.git] / mop.h
1 #ifndef __MOP_H__
2 #define __MOP_H__
3
4 #include "EXTERN.h"
5 #include "perl.h"
6 #include "XSUB.h"
7
8 #define NEED_newRV_noinc
9 #define NEED_sv_2pv_flags
10 #define NEED_sv_2pv_nolen
11 #include "ppport.h"
12
13 #define MOP_CALL_BOOT(name) \
14     { \
15         EXTERN_C XS(name); \
16         mop_call_xs(aTHX_ name, cv, mark); \
17     }
18
19 void mop_call_xs (pTHX_ void (*subaddr) (pTHX_ CV *), CV *cv, SV **mark);
20
21 #define DECLARE_KEY(name)                    { #name, #name, NULL, 0 }
22 #define DECLARE_KEY_WITH_VALUE(name, value)  { #name, value, NULL, 0 }
23
24 typedef enum {
25     KEY_name,
26     KEY_package,
27     KEY_package_name,
28     KEY_body,
29     KEY_package_cache_flag,
30     KEY_methods,
31     KEY_VERSION,
32     KEY_ISA,
33     key_last,
34 } mop_prehashed_key_t;
35
36 #define KEY_FOR(name)  mop_prehashed_key_for(KEY_ ##name)
37 #define HASH_FOR(name) mop_prehashed_hash_for(KEY_ ##name)
38
39 void mop_prehash_keys (void);
40 inline SV *mop_prehashed_key_for (mop_prehashed_key_t key);
41 inline U32 mop_prehashed_hash_for (mop_prehashed_key_t key);
42
43 #define INSTALL_SIMPLE_READER(klass, name) \
44     { \
45         CV *cv = newXS("Class::MOP::" #klass "::" #name, mop_xs_simple_reader, __FILE__); \
46         CvXSUBANY(cv).any_i32 = KEY_ ##name; \
47     }
48
49 #define INSTALL_SIMPLE_READER_WITH_KEY(klass, name, key) \
50     { \
51         CV *cv = newXS("Class::MOP::" #klass "::" #name, mop_xs_simple_reader, __FILE__); \
52         CvXSUBANY(cv).any_i32 = KEY_ ##key; \
53     }
54
55 SV *mop_simple_reader (SV *self, mop_prehashed_key_t key);
56 XS(mop_xs_simple_reader);
57
58 extern SV *mop_method_metaclass;
59 extern SV *mop_associated_metaclass;
60 extern SV *mop_wrap;
61
62 UV mop_check_package_cache_flag(pTHX_ HV *stash);
63 int mop_get_code_info (SV *coderef, char **pkg, char **name);
64 SV *mop_call0(pTHX_ SV *const self, SV *const method);
65
66 typedef enum {
67     TYPE_FILTER_NONE,
68     TYPE_FILTER_CODE,
69     TYPE_FILTER_ARRAY,
70     TYPE_FILTER_IO,
71     TYPE_FILTER_HASH,
72     TYPE_FILTER_SCALAR,
73 } type_filter_t;
74
75 typedef bool (*get_package_symbols_cb_t) (const char *, STRLEN, SV *, void *);
76
77 void mop_get_package_symbols(HV *stash, type_filter_t filter, get_package_symbols_cb_t cb, void *ud);
78 HV *mop_get_all_package_symbols (HV *stash, type_filter_t filter);
79
80 #endif