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
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
|
#ifndef RUBY_EVAL_INTERN_H
#define RUBY_EVAL_INTERN_H
#define PASS_PASSED_BLOCK() \
(GET_THREAD()->passed_block = \
GC_GUARDED_PTR_REF((rb_block_t *)GET_THREAD()->cfp->lfp[0]))
#include "ruby/ruby.h"
#include "ruby/node.h"
#include "ruby/util.h"
#include "ruby/signal.h"
#include "vm_core.h"
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifndef EXIT_SUCCESS
#define EXIT_SUCCESS 0
#endif
#ifndef EXIT_FAILURE
#define EXIT_FAILURE 1
#endif
#include <stdio.h>
#include <setjmp.h>
#include "ruby/st.h"
#include "dln.h"
#ifdef __APPLE__
#include <crt_externs.h>
#endif
/* Make alloca work the best possible way. */
#ifdef __GNUC__
# ifndef atarist
# ifndef alloca
# define alloca __builtin_alloca
# endif
# endif /* atarist */
#else
# ifdef HAVE_ALLOCA_H
# include <alloca.h>
# else
# ifdef _AIX
#pragma alloca
# else
# ifndef alloca /* predefined by HP cc +Olibcalls */
void *alloca();
# endif
# endif /* AIX */
# endif /* HAVE_ALLOCA_H */
#endif /* __GNUC__ */
#ifdef HAVE_STDARG_PROTOTYPES
#include <stdarg.h>
#define va_init_list(a,b) va_start(a,b)
#else
#include <varargs.h>
#define va_init_list(a,b) va_start(a)
#endif
#ifndef HAVE_STRING_H
char *strrchr(const char *, const char);
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef __BEOS__
#include <net/socket.h>
#endif
#ifdef __MACOS__
#include "macruby_private.h"
#endif
#ifdef __VMS
#include "vmsruby_private.h"
#endif
#define ruby_setjmp(env) RUBY_SETJMP(env)
#define ruby_longjmp(env,val) RUBY_LONGJMP(env,val)
#ifdef __CYGWIN__
int _setjmp(), _longjmp();
#endif
#include <sys/types.h>
#include <signal.h>
#include <errno.h>
#if defined(__VMS)
#pragma nostandard
#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
/*
Solaris sys/select.h switches select to select_large_fdset to support larger
file descriptors if FD_SETSIZE is larger than 1024 on 32bit environment.
But Ruby doesn't change FD_SETSIZE because fd_set is allocated dynamically.
So following definition is required to use select_large_fdset.
*/
#ifdef HAVE_SELECT_LARGE_FDSET
#define select(n, r, w, e, t) select_large_fdset(n, r, w, e, t)
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#include <sys/stat.h>
#define SAVE_ROOT_JMPBUF(th, stmt) do \
if (ruby_setjmp((th)->root_jmpbuf) == 0) { \
stmt; \
} \
else { \
rb_fiber_start(); \
} while (0)
#define TH_PUSH_TAG(th) do { \
rb_thread_t * const _th = th; \
struct rb_vm_tag _tag; \
_tag.tag = 0; \
_tag.prev = _th->tag; \
_th->tag = &_tag;
#define TH_POP_TAG() \
_th->tag = _tag.prev; \
} while (0)
#define TH_POP_TAG2() \
_th->tag = _tag.prev
#define PUSH_TAG() TH_PUSH_TAG(GET_THREAD())
#define POP_TAG() TH_POP_TAG()
#define TH_EXEC_TAG() ruby_setjmp(_th->tag->buf)
#define EXEC_TAG() \
TH_EXEC_TAG()
#define TH_JUMP_TAG(th, st) do { \
ruby_longjmp(th->tag->buf,(st)); \
} while (0)
#define JUMP_TAG(st) TH_JUMP_TAG(GET_THREAD(), st)
#define TAG_RETURN 0x1
#define TAG_BREAK 0x2
#define TAG_NEXT 0x3
#define TAG_RETRY 0x4
#define TAG_REDO 0x5
#define TAG_RAISE 0x6
#define TAG_THROW 0x7
#define TAG_FATAL 0x8
#define TAG_MASK 0xf
#define NEW_THROW_OBJECT(val, pt, st) \
((VALUE)NEW_NODE(NODE_LIT, (val), (pt), (st)))
#define SET_THROWOBJ_CATCH_POINT(obj, val) \
(RNODE((obj))->u2.value = (val))
#define SET_THROWOBJ_STATE(obj, val) \
(RNODE((obj))->u3.value = (val))
#define GET_THROWOBJ_VAL(obj) ((VALUE)RNODE((obj))->u1.value)
#define GET_THROWOBJ_CATCH_POINT(obj) ((VALUE*)RNODE((obj))->u2.value)
#define GET_THROWOBJ_STATE(obj) ((int)RNODE((obj))->u3.value)
#define SCOPE_TEST(f) \
(ruby_cref()->nd_visi & (f))
#define SCOPE_CHECK(f) \
(ruby_cref()->nd_visi == (f))
#define SCOPE_SET(f) \
{ \
ruby_cref()->nd_visi = (f); \
}
#define CHECK_STACK_OVERFLOW(cfp, margin) do \
if (((VALUE *)(cfp)->sp) + (margin) + sizeof(rb_control_frame_t) >= ((VALUE *)cfp)) { \
rb_exc_raise(sysstack_error); \
} \
while (0)
void rb_thread_cleanup(void);
void rb_thread_wait_other_threads(void);
enum {
RAISED_EXCEPTION = 1,
RAISED_STACKOVERFLOW,
RAISED_NOMEMORY,
};
int rb_thread_set_raised(rb_thread_t *th);
int rb_thread_reset_raised(rb_thread_t *th);
#define rb_thread_raised_set(th, f) ((th)->raised_flag |= (f))
#define rb_thread_raised_reset(th, f) ((th)->raised_flag &= ~(f))
#define rb_thread_raised_p(th, f) (((th)->raised_flag & (f)) != 0)
#define rb_thread_raised_clear(th) ((th)->raised_flag = 0)
VALUE rb_f_eval(int argc, VALUE *argv, VALUE self);
VALUE rb_make_exception(int argc, VALUE *argv);
NORETURN(void rb_fiber_start(void));
NORETURN(void rb_raise_jump(VALUE));
NORETURN(void rb_print_undef(VALUE, ID, int));
NORETURN(void vm_localjump_error(const char *, VALUE, int));
NORETURN(void vm_jump_tag_but_local_jump(int, VALUE));
NODE *vm_get_cref(rb_thread_t *th, rb_iseq_t *iseq, rb_control_frame_t *cfp);
NODE *vm_cref_push(rb_thread_t *th, VALUE, int);
NODE *vm_set_special_cref(rb_thread_t *th, VALUE *lfp, NODE * cref_stack);
VALUE vm_make_jump_tag_but_local_jump(int state, VALUE val);
static rb_control_frame_t *
vm_get_ruby_level_cfp(rb_thread_t *th, rb_control_frame_t *cfp)
{
while (!RUBY_VM_CONTROL_FRAME_STACK_OVERFLOW_P(th, cfp)) {
if (RUBY_VM_NORMAL_ISEQ_P(cfp->iseq)) {
return cfp;
}
cfp = RUBY_VM_PREVIOUS_CONTROL_FRAME(cfp);
}
return 0;
}
static inline NODE *
ruby_cref()
{
rb_thread_t *th = GET_THREAD();
rb_control_frame_t *cfp = vm_get_ruby_level_cfp(th, th->cfp);
return vm_get_cref(th, cfp->iseq, cfp);
}
VALUE vm_get_cbase(rb_thread_t *th);
VALUE rb_obj_is_proc(VALUE);
void rb_vm_check_redefinition_opt_method(NODE *node);
VALUE rb_vm_call_cfunc(VALUE recv, VALUE (*func)(VALUE), VALUE arg, rb_block_t *blockptr, VALUE filename);
void rb_thread_terminate_all(void);
void rb_vm_set_eval_stack(rb_thread_t *, VALUE iseq);
VALUE rb_vm_top_self();
#define ruby_cbase() vm_get_cbase(GET_THREAD())
#endif /* RUBY_EVAL_INTERN_H */
|
