1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/**********************************************************************
method.h -
$Author$
created at: Wed Jul 15 20:02:33 2009
Copyright (C) 2009 Koichi Sasada
**********************************************************************/
#ifndef RUBY_METHOD_H
#define RUBY_METHOD_H 1
#include "internal.h"
#ifndef END_OF_ENUMERATION
# if defined(__GNUC__) &&! defined(__STRICT_ANSI__)
# define END_OF_ENUMERATION(key)
# else
# define END_OF_ENUMERATION(key) END_OF_##key##_PLACEHOLDER = 0
# endif
#endif
/* cref */
typedef enum {
METHOD_VISI_UNDEF = 0x00,
METHOD_VISI_PUBLIC = 0x01,
METHOD_VISI_PRIVATE = 0x02,
METHOD_VISI_PROTECTED = 0x03,
METHOD_VISI_MASK = 0x03
} rb_method_visibility_t;
typedef struct rb_scope_visi_struct {
rb_method_visibility_t method_visi : 3;
unsigned int module_func : 1;
} rb_scope_visibility_t;
typedef struct rb_cref_struct {
VALUE flags;
const VALUE refinements;
const VALUE klass;
struct rb_cref_struct * const next;
const rb_scope_visibility_t scope_visi;
} rb_cref_t;
/* method data type */
typedef struct rb_method_entry_struct {
VALUE flags;
const VALUE defined_class;
struct rb_method_definition_struct * const def;
ID called_id;
const VALUE owner;
} rb_method_entry_t;
typedef struct rb_callable_method_entry_struct { /* same fields with rb_method_entry_t */
VALUE flags;
const VALUE defined_class;
struct rb_method_definition_struct * const def;
ID called_id;
const VALUE owner;
} rb_callable_method_entry_t;
#define METHOD_ENTRY_VISI(me) (rb_method_visibility_t)(((me)->flags & (IMEMO_FL_USER0 | IMEMO_FL_USER1)) >> (IMEMO_FL_USHIFT+0))
#define METHOD_ENTRY_BASIC(me) (int) (((me)->flags & (IMEMO_FL_USER2 )) >> (IMEMO_FL_USHIFT+2))
static inline void
METHOD_ENTRY_VISI_SET(rb_method_entry_t *me, rb_method_visibility_t visi)
{
VM_ASSERT((int)visi >= 0 && visi <= 3);
me->flags = (me->flags & ~(IMEMO_FL_USER0 | IMEMO_FL_USER1)) | (visi << (IMEMO_FL_USHIFT+0));
}
static inline void
METHOD_ENTRY_BASIC_SET(rb_method_entry_t *me, unsigned int basic)
{
VM_ASSERT(basic <= 1);
me->flags = (me->flags & ~(IMEMO_FL_USER2 )) | (basic << (IMEMO_FL_USHIFT+2));
}
static inline void
METHOD_ENTRY_FLAGS_SET(rb_method_entry_t *me, rb_method_visibility_t visi, unsigned int basic)
{
VM_ASSERT((int)visi >= 0 && visi <= 3);
VM_ASSERT(basic <= 1);
me->flags =
(me->flags & ~(IMEMO_FL_USER0|IMEMO_FL_USER1|IMEMO_FL_USER2)) |
((visi << (IMEMO_FL_USHIFT+0)) | (basic << (IMEMO_FL_USHIFT+2)));
}
static inline void
METHOD_ENTRY_FLAGS_COPY(rb_method_entry_t *dst, const rb_method_entry_t *src)
{
dst->flags =
(dst->flags & ~(IMEMO_FL_USER0|IMEMO_FL_USER1|IMEMO_FL_USER2)) |
(src->flags & (IMEMO_FL_USER0|IMEMO_FL_USER1|IMEMO_FL_USER2));
}
typedef enum {
VM_METHOD_TYPE_ISEQ,
VM_METHOD_TYPE_CFUNC,
VM_METHOD_TYPE_ATTRSET,
VM_METHOD_TYPE_IVAR,
VM_METHOD_TYPE_BMETHOD,
VM_METHOD_TYPE_ZSUPER,
VM_METHOD_TYPE_ALIAS,
VM_METHOD_TYPE_UNDEF,
VM_METHOD_TYPE_NOTIMPLEMENTED,
VM_METHOD_TYPE_OPTIMIZED, /* Kernel#send, Proc#call, etc */
VM_METHOD_TYPE_MISSING, /* wrapper for method_missing(id) */
VM_METHOD_TYPE_REFINED,
END_OF_ENUMERATION(VM_METHOD_TYPE)
} rb_method_type_t;
#ifndef rb_iseq_t
typedef struct rb_iseq_struct rb_iseq_t;
#define rb_iseq_t rb_iseq_t
#endif
typedef struct rb_method_iseq_struct {
const rb_iseq_t * const iseqptr; /* should be separated from iseqval */
rb_cref_t * const cref; /* should be marked */
} rb_method_iseq_t; /* check rb_add_method_iseq() when modify the fields */
typedef struct rb_method_cfunc_struct {
VALUE (*func)(ANYARGS);
VALUE (*invoker)(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv);
int argc;
} rb_method_cfunc_t;
typedef struct rb_method_attr_struct {
ID id;
const VALUE location; /* should be marked */
} rb_method_attr_t;
typedef struct rb_method_alias_struct {
const struct rb_method_entry_struct * const original_me; /* original_me->klass is original owner */
} rb_method_alias_t;
typedef struct rb_method_refined_struct {
const struct rb_method_entry_struct * const orig_me;
const VALUE owner;
} rb_method_refined_t;
typedef struct rb_method_definition_struct {
rb_method_type_t type; /* method type */
int alias_count;
union {
rb_method_iseq_t iseq;
rb_method_cfunc_t cfunc;
rb_method_attr_t attr;
rb_method_alias_t alias;
rb_method_refined_t refined;
const VALUE proc; /* should be marked */
enum method_optimized_type {
OPTIMIZED_METHOD_TYPE_SEND,
OPTIMIZED_METHOD_TYPE_CALL,
OPTIMIZED_METHOD_TYPE__MAX
} optimize_type;
} body;
ID original_id;
} rb_method_definition_t;
#define UNDEFINED_METHOD_ENTRY_P(me) (!(me) || !(me)->def || (me)->def->type == VM_METHOD_TYPE_UNDEF)
#define UNDEFINED_REFINED_METHOD_P(def) \
((def)->type == VM_METHOD_TYPE_REFINED && \
UNDEFINED_METHOD_ENTRY_P((def)->body.refined.orig_me))
void rb_add_method_cfunc(VALUE klass, ID mid, VALUE (*func)(ANYARGS), int argc, rb_method_visibility_t visi);
void rb_add_method_iseq(VALUE klass, ID mid, const rb_iseq_t *iseq, rb_cref_t *cref, rb_method_visibility_t visi);
void rb_add_refined_method_entry(VALUE refined_class, ID mid);
rb_method_entry_t *rb_add_method(VALUE klass, ID mid, rb_method_type_t type, void *option, rb_method_visibility_t visi);
rb_method_entry_t *rb_method_entry_set(VALUE klass, ID mid, const rb_method_entry_t *, rb_method_visibility_t noex);
rb_method_entry_t *rb_method_entry_create(ID called_id, VALUE klass, rb_method_visibility_t visi, const rb_method_definition_t *def);
const rb_method_entry_t *rb_method_entry_at(VALUE obj, ID id);
const rb_method_entry_t *rb_method_entry(VALUE klass, ID id);
const rb_method_entry_t *rb_method_entry_with_refinements(VALUE klass, ID id);
const rb_method_entry_t *rb_method_entry_without_refinements(VALUE klass, ID id);
const rb_method_entry_t *rb_resolve_refined_method(VALUE refinements, const rb_method_entry_t *me);
const rb_callable_method_entry_t *rb_callable_method_entry(VALUE klass, ID id);
const rb_callable_method_entry_t *rb_callable_method_entry_with_refinements(VALUE klass, ID id);
const rb_callable_method_entry_t *rb_callable_method_entry_without_refinements(VALUE klass, ID id);
const rb_callable_method_entry_t *rb_resolve_refined_method_callable(VALUE refinements, const rb_callable_method_entry_t *me);
int rb_method_entry_arity(const rb_method_entry_t *me);
int rb_method_entry_eq(const rb_method_entry_t *m1, const rb_method_entry_t *m2);
st_index_t rb_hash_method_entry(st_index_t hash, const rb_method_entry_t *me);
VALUE rb_method_entry_location(const rb_method_entry_t *me);
VALUE rb_mod_method_location(VALUE mod, ID id);
VALUE rb_obj_method_location(VALUE obj, ID id);
void rb_free_method_entry(const rb_method_entry_t *me);
void rb_sweep_method_entry(void *vm);
const rb_method_entry_t *rb_method_entry_clone(const rb_method_entry_t *me);
const rb_callable_method_entry_t *rb_method_entry_complement_defined_class(const rb_method_entry_t *src_me, VALUE defined_class);
void rb_method_entry_copy(rb_method_entry_t *dst, const rb_method_entry_t *src);
void rb_scope_visibility_set(rb_method_visibility_t);
#endif /* RUBY_METHOD_H */
|
