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
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
/*
** etc.c -
**
** See Copyright Notice in mruby.h
*/
#include <mruby.h>
#include <mruby/string.h>
#include <mruby/data.h>
#include <mruby/class.h>
#include <mruby/re.h>
#include <mruby/irep.h>
MRB_API struct RData*
mrb_data_object_alloc(mrb_state *mrb, struct RClass *klass, void *ptr, const mrb_data_type *type)
{
struct RData *data;
data = (struct RData*)mrb_obj_alloc(mrb, MRB_TT_DATA, klass);
data->data = ptr;
data->type = type;
return data;
}
MRB_API void
mrb_data_check_type(mrb_state *mrb, mrb_value obj, const mrb_data_type *type)
{
if (mrb_type(obj) != MRB_TT_DATA) {
mrb_check_type(mrb, obj, MRB_TT_DATA);
}
if (DATA_TYPE(obj) != type) {
const mrb_data_type *t2 = DATA_TYPE(obj);
if (t2) {
mrb_raisef(mrb, E_TYPE_ERROR, "wrong argument type %S (expected %S)",
mrb_str_new_cstr(mrb, t2->struct_name), mrb_str_new_cstr(mrb, type->struct_name));
}
else {
struct RClass *c = mrb_class(mrb, obj);
mrb_raisef(mrb, E_TYPE_ERROR, "uninitialized %S (expected %S)",
mrb_obj_value(c), mrb_str_new_cstr(mrb, type->struct_name));
}
}
}
MRB_API void*
mrb_data_check_get_ptr(mrb_state *mrb, mrb_value obj, const mrb_data_type *type)
{
if (mrb_type(obj) != MRB_TT_DATA) {
return NULL;
}
if (DATA_TYPE(obj) != type) {
return NULL;
}
return DATA_PTR(obj);
}
MRB_API void*
mrb_data_get_ptr(mrb_state *mrb, mrb_value obj, const mrb_data_type *type)
{
mrb_data_check_type(mrb, obj, type);
return DATA_PTR(obj);
}
MRB_API mrb_sym
mrb_obj_to_sym(mrb_state *mrb, mrb_value name)
{
mrb_sym id;
switch (mrb_type(name)) {
default:
name = mrb_check_string_type(mrb, name);
if (mrb_nil_p(name)) {
name = mrb_inspect(mrb, name);
mrb_raisef(mrb, E_TYPE_ERROR, "%S is not a symbol", name);
}
/* fall through */
case MRB_TT_STRING:
name = mrb_str_intern(mrb, name);
/* fall through */
case MRB_TT_SYMBOL:
id = mrb_symbol(name);
}
return id;
}
MRB_API mrb_int
mrb_float_id(mrb_float f)
{
const char *p = (const char*)&f;
int len = sizeof(f);
mrb_int id = 0;
/* normalize -0.0 to 0.0 */
if (f == 0) f = 0.0;
while (len--) {
id = id*65599 + *p;
p++;
}
id = id + (id>>5);
return id;
}
MRB_API mrb_int
mrb_obj_id(mrb_value obj)
{
mrb_int tt = mrb_type(obj);
#define MakeID2(p,t) (mrb_int)(((intptr_t)(p))^(t))
#define MakeID(p) MakeID2(p,tt)
switch (tt) {
case MRB_TT_FREE:
case MRB_TT_UNDEF:
return MakeID(0); /* not define */
case MRB_TT_FALSE:
if (mrb_nil_p(obj))
return MakeID(1);
return MakeID(0);
case MRB_TT_TRUE:
return MakeID(1);
case MRB_TT_SYMBOL:
return MakeID(mrb_symbol(obj));
case MRB_TT_FIXNUM:
return MakeID2(mrb_float_id((mrb_float)mrb_fixnum(obj)), MRB_TT_FLOAT);
case MRB_TT_FLOAT:
return MakeID(mrb_float_id(mrb_float(obj)));
case MRB_TT_STRING:
case MRB_TT_OBJECT:
case MRB_TT_CLASS:
case MRB_TT_MODULE:
case MRB_TT_ICLASS:
case MRB_TT_SCLASS:
case MRB_TT_PROC:
case MRB_TT_ARRAY:
case MRB_TT_HASH:
case MRB_TT_RANGE:
case MRB_TT_EXCEPTION:
case MRB_TT_FILE:
case MRB_TT_DATA:
case MRB_TT_ISTRUCT:
default:
return MakeID(mrb_ptr(obj));
}
}
#ifdef MRB_WORD_BOXING
MRB_API mrb_value
mrb_word_boxing_float_value(mrb_state *mrb, mrb_float f)
{
mrb_value v;
v.value.p = mrb_obj_alloc(mrb, MRB_TT_FLOAT, mrb->float_class);
v.value.fp->f = f;
return v;
}
MRB_API mrb_value
mrb_word_boxing_float_pool(mrb_state *mrb, mrb_float f)
{
struct RFloat *nf = (struct RFloat *)mrb_malloc(mrb, sizeof(struct RFloat));
nf->tt = MRB_TT_FLOAT;
nf->c = mrb->float_class;
nf->f = f;
return mrb_obj_value(nf);
}
MRB_API mrb_value
mrb_word_boxing_cptr_value(mrb_state *mrb, void *p)
{
mrb_value v;
v.value.p = mrb_obj_alloc(mrb, MRB_TT_CPTR, mrb->object_class);
v.value.vp->p = p;
return v;
}
#endif /* MRB_WORD_BOXING */
MRB_API mrb_bool
mrb_regexp_p(mrb_state *mrb, mrb_value v)
{
if (mrb->flags & MRB_STATE_NO_REGEXP) {
return FALSE;
}
if ((mrb->flags & MRB_STATE_REGEXP) || mrb_class_defined(mrb, REGEXP_CLASS)) {
mrb->flags |= MRB_STATE_REGEXP;
return mrb_obj_is_kind_of(mrb, v, mrb_class_get(mrb, REGEXP_CLASS));
}
else {
mrb->flags |= MRB_STATE_REGEXP;
mrb->flags |= MRB_STATE_NO_REGEXP;
}
return FALSE;
}
#if defined _MSC_VER && _MSC_VER < 1900
#ifndef va_copy
static void
mrb_msvc_va_copy(va_list *dest, va_list src)
{
*dest = src;
}
#define va_copy(dest, src) mrb_msvc_va_copy(&(dest), src)
#endif
MRB_API int
mrb_msvc_vsnprintf(char *s, size_t n, const char *format, va_list arg)
{
int cnt;
va_list argcp;
va_copy(argcp, arg);
if (n == 0 || (cnt = _vsnprintf_s(s, n, _TRUNCATE, format, argcp)) < 0) {
cnt = _vscprintf(format, arg);
}
va_end(argcp);
return cnt;
}
MRB_API int
mrb_msvc_snprintf(char *s, size_t n, const char *format, ...)
{
va_list arg;
int ret;
va_start(arg, format);
ret = mrb_msvc_vsnprintf(s, n, format, arg);
va_end(arg);
return ret;
}
#endif /* defined _MSC_VER && _MSC_VER < 1900 */
|
