Ruby 2.0.0p353(2013-11-22revision43784)

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eval_intern.h
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1 #ifndef RUBY_EVAL_INTERN_H
2 #define RUBY_EVAL_INTERN_H
3
4 #include "ruby/ruby.h"
5 #include "vm_core.h"
6
7 #define PASS_PASSED_BLOCK_TH(th) do { \
8 (th)->passed_block = rb_vm_control_frame_block_ptr(th->cfp); \
9 (th)->cfp->flag |= VM_FRAME_FLAG_PASSED; \
10 } while (0)
11
12 #define PASS_PASSED_BLOCK() do { \
13 rb_thread_t * const __th__ = GET_THREAD(); \
14 PASS_PASSED_BLOCK_TH(__th__); \
15 } while (0)
16
17 #ifdef HAVE_STDLIB_H
18 #include <stdlib.h>
19 #endif
20 #ifndef EXIT_SUCCESS
21 #define EXIT_SUCCESS 0
22 #endif
23 #ifndef EXIT_FAILURE
24 #define EXIT_FAILURE 1
25 #endif
26
27 #include <stdio.h>
28 #include <setjmp.h>
29
30 #ifdef __APPLE__
31 # ifdef HAVE_CRT_EXTERNS_H
32 # include <crt_externs.h>
33 # else
34 # include "missing/crt_externs.h"
35 # endif
36 #endif
37
38 #ifndef HAVE_STRING_H
39 char *strrchr(const char *, const char);
40 #endif
41
42 #ifdef HAVE_UNISTD_H
43 #include <unistd.h>
44 #endif
45
46 #ifdef HAVE_NET_SOCKET_H
47 #include <net/socket.h>
48 #endif
49
50 #define ruby_setjmp(env) RUBY_SETJMP(env)
51 #define ruby_longjmp(env,val) RUBY_LONGJMP((env),(val))
52 #ifdef __CYGWIN__
53 # ifndef _setjmp
54 int _setjmp(jmp_buf);
55 # endif
56 # ifndef _longjmp
57 NORETURN(void _longjmp(jmp_buf, int));
58 # endif
59 #endif
60
61 #include <sys/types.h>
62 #include <signal.h>
63 #include <errno.h>
64
65 #ifdef HAVE_SYS_SELECT_H
66 #include <sys/select.h>
67 #endif
68
69 /*
70 Solaris sys/select.h switches select to select_large_fdset to support larger
71 file descriptors if FD_SETSIZE is larger than 1024 on 32bit environment.
72 But Ruby doesn't change FD_SETSIZE because fd_set is allocated dynamically.
73 So following definition is required to use select_large_fdset.
74 */
75 #ifdef HAVE_SELECT_LARGE_FDSET
76 #define select(n, r, w, e, t) select_large_fdset((n), (r), (w), (e), (t))
77 extern int select_large_fdset(int, fd_set *, fd_set *, fd_set *, struct timeval *);
78 #endif
79
80 #ifdef HAVE_SYS_PARAM_H
81 #include <sys/param.h>
82 #endif
83
84 #include <sys/stat.h>
85
86 #define SAVE_ROOT_JMPBUF(th, stmt) do \
87 if (ruby_setjmp((th)->root_jmpbuf) == 0) { \
88 stmt; \
89 } \
90 else { \
91 rb_fiber_start(); \
92 } while (0)
93
94 #define TH_PUSH_TAG(th) do { \
95 rb_thread_t * const _th = (th); \
96 struct rb_vm_tag _tag; \
97 _tag.tag = 0; \
98 _tag.prev = _th->tag; \
99 _th->tag = &_tag;
100
101 #define TH_POP_TAG() \
102 _th->tag = _tag.prev; \
103 } while (0)
104
105 #define TH_POP_TAG2() \
106 _th->tag = _tag.prev
107
108 #define PUSH_TAG() TH_PUSH_TAG(GET_THREAD())
109 #define POP_TAG() TH_POP_TAG()
110
111 #define TH_EXEC_TAG() ruby_setjmp(_th->tag->buf)
112
113 #define EXEC_TAG() \
114 TH_EXEC_TAG()
115
116 #define TH_JUMP_TAG(th, st) do { \
117 ruby_longjmp((th)->tag->buf,(st)); \
118 } while (0)
119
120 #define JUMP_TAG(st) TH_JUMP_TAG(GET_THREAD(), (st))
121
122 #define INTERNAL_EXCEPTION_P(exc) FIXNUM_P(exc)
123
124 enum ruby_tag_type {
125 RUBY_TAG_RETURN = 0x1,
126 RUBY_TAG_BREAK = 0x2,
127 RUBY_TAG_NEXT = 0x3,
128 RUBY_TAG_RETRY = 0x4,
129 RUBY_TAG_REDO = 0x5,
130 RUBY_TAG_RAISE = 0x6,
131 RUBY_TAG_THROW = 0x7,
132 RUBY_TAG_FATAL = 0x8,
133 RUBY_TAG_MASK = 0xf
134 };
135 #define TAG_RETURN RUBY_TAG_RETURN
136 #define TAG_BREAK RUBY_TAG_BREAK
137 #define TAG_NEXT RUBY_TAG_NEXT
138 #define TAG_RETRY RUBY_TAG_RETRY
139 #define TAG_REDO RUBY_TAG_REDO
140 #define TAG_RAISE RUBY_TAG_RAISE
141 #define TAG_THROW RUBY_TAG_THROW
142 #define TAG_FATAL RUBY_TAG_FATAL
143 #define TAG_MASK RUBY_TAG_MASK
144
145 #define NEW_THROW_OBJECT(val, pt, st) \
146 ((VALUE)rb_node_newnode(NODE_LIT, (VALUE)(val), (VALUE)(pt), (VALUE)(st)))
147 #define SET_THROWOBJ_CATCH_POINT(obj, val) \
148 (RNODE((obj))->u2.value = (val))
149 #define SET_THROWOBJ_STATE(obj, val) \
150 (RNODE((obj))->u3.value = (val))
151
152 #define GET_THROWOBJ_VAL(obj) ((VALUE)RNODE((obj))->u1.value)
153 #define GET_THROWOBJ_CATCH_POINT(obj) ((VALUE*)RNODE((obj))->u2.value)
154 #define GET_THROWOBJ_STATE(obj) ((int)RNODE((obj))->u3.value)
155
156 #define SCOPE_TEST(f) (rb_vm_cref()->nd_visi & (f))
157 #define SCOPE_CHECK(f) (rb_vm_cref()->nd_visi == (f))
158 #define SCOPE_SET(f) (rb_vm_cref()->nd_visi = (f))
159
160 void rb_thread_cleanup(void);
161 void rb_thread_wait_other_threads(void);
162
163 enum {
164 RAISED_EXCEPTION = 1,
165 RAISED_STACKOVERFLOW = 2,
166 RAISED_NOMEMORY = 4
167 };
168 int rb_threadptr_set_raised(rb_thread_t *th);
169 int rb_threadptr_reset_raised(rb_thread_t *th);
170 #define rb_thread_raised_set(th, f) ((th)->raised_flag |= (f))
171 #define rb_thread_raised_reset(th, f) ((th)->raised_flag &= ~(f))
172 #define rb_thread_raised_p(th, f) (((th)->raised_flag & (f)) != 0)
173 #define rb_thread_raised_clear(th) ((th)->raised_flag = 0)
174
175 VALUE rb_f_eval(int argc, VALUE *argv, VALUE self);
176 VALUE rb_make_exception(int argc, VALUE *argv);
177
178 NORETURN(void rb_method_name_error(VALUE, VALUE));
179
180 NORETURN(void rb_fiber_start(void));
181
182 NORETURN(void rb_print_undef(VALUE, ID, int));
183 NORETURN(void rb_print_undef_str(VALUE, VALUE));
184 NORETURN(void rb_vm_localjump_error(const char *,VALUE, int));
185 NORETURN(void rb_vm_jump_tag_but_local_jump(int));
186 NORETURN(void rb_raise_method_missing(rb_thread_t *th, int argc, VALUE *argv,
187 VALUE obj, int call_status));
188
189 VALUE rb_vm_make_jump_tag_but_local_jump(int state, VALUE val);
190 NODE *rb_vm_cref(void);
191 VALUE rb_vm_call_cfunc(VALUE recv, VALUE (*func)(VALUE), VALUE arg, const rb_block_t *blockptr, VALUE filename);
192 void rb_vm_set_progname(VALUE filename);
193 void rb_thread_terminate_all(void);
194 VALUE rb_vm_top_self();
195 VALUE rb_vm_cbase(void);
196
197 #ifndef CharNext /* defined as CharNext[AW] on Windows. */
198 #define CharNext(p) ((p) + mblen((p), RUBY_MBCHAR_MAXSIZE))
199 #endif
200
201 #if defined DOSISH || defined __CYGWIN__
202 static inline void
203 translit_char(char *p, int from, int to)
204 {
205 while (*p) {
206 if ((unsigned char)*p == from)
207 *p = to;
208 p = CharNext(p);
209 }
210 }
211 #endif
212
213 #endif /* RUBY_EVAL_INTERN_H */
th
static VALUE VALUE th
Definition: tcltklib.c:2948
CharNext
#define CharNext(p)
Definition: eval_intern.h:198
rb_make_exception
VALUE rb_make_exception(int argc, VALUE *argv)
Definition: eval.c:642
p
Win32OLEIDispatch * p
Definition: win32ole.c:786
RAISED_NOMEMORY
Definition: eval_intern.h:166
ruby.h
RUBY_TAG_NEXT
Definition: eval_intern.h:127
func
SSL_METHOD *(* func)(void)
Definition: ossl_ssl.c:108
RUBY_TAG_MASK
Definition: eval_intern.h:133
rb_block_struct
Definition: vm_core.h:442
RUBY_TAG_REDO
Definition: eval_intern.h:129
RUBY_TAG_RAISE
Definition: eval_intern.h:130
rb_print_undef_str
void rb_print_undef_str(VALUE klass, VALUE name)
Definition: eval_error.c:223
rb_vm_cref
NODE * rb_vm_cref(void)
Definition: vm.c:830
rb_vm_localjump_error
void rb_vm_localjump_error(const char *mesg, VALUE value, int reason)
Definition: vm.c:900
rb_method_name_error
void rb_method_name_error(VALUE klass, VALUE str)
Definition: proc.c:1181
ruby_tag_type
ruby_tag_type
Definition: eval_intern.h:124
RUBY_TAG_RETURN
Definition: eval_intern.h:125
state
int state
Definition: tcltklib.c:1462
rb_thread_struct
Definition: vm_core.h:493
rb_thread_terminate_all
void rb_thread_terminate_all(void)
Definition: thread.c:407
RNode
Definition: ripper.y:240
NORETURN
#define NORETURN(x)
Definition: ruby.h:31
rb_threadptr_set_raised
int rb_threadptr_set_raised(rb_thread_t *th)
Definition: thread.c:2043
RUBY_TAG_BREAK
Definition: eval_intern.h:126
val
#define val
Definition: tcltklib.c:1949
rb_raise_method_missing
void rb_raise_method_missing(rb_thread_t *th, int argc, VALUE *argv, VALUE obj, int call_status)
Definition: vm_eval.c:729
ID
unsigned long ID
Definition: ripper.y:105
obj
static VALUE VALUE obj
Definition: tcltklib.c:3158
unistd.h
signal.h
rb_fiber_start
void rb_fiber_start(void)
Definition: cont.c:1167
rb_vm_top_self
VALUE rb_vm_top_self()
Definition: vm.c:2427
rb_vm_call_cfunc
VALUE rb_vm_call_cfunc(VALUE recv, VALUE(*func)(VALUE), VALUE arg, const rb_block_t *blockptr, VALUE filename)
Definition: vm.c:1519
RUBY_TAG_THROW
Definition: eval_intern.h:131
argv
VALUE * argv
Definition: tcltklib.c:1971
timeval
Definition: ossl_asn1.c:16
rb_thread_cleanup
void rb_thread_cleanup(void)
rb_vm_cbase
VALUE rb_vm_cbase(void)
Definition: vm.c:854
rb_thread_wait_other_threads
void rb_thread_wait_other_threads(void)
vm_core.h
argc
int argc
Definition: tcltklib.c:1970
rb_threadptr_reset_raised
int rb_threadptr_reset_raised(rb_thread_t *th)
Definition: thread.c:2053
RUBY_TAG_RETRY
Definition: eval_intern.h:128
arg
arg
Definition: ripper.y:1315
RAISED_STACKOVERFLOW
Definition: eval_intern.h:165
RAISED_EXCEPTION
Definition: eval_intern.h:164
RUBY_TAG_FATAL
Definition: eval_intern.h:132
rb_vm_set_progname
void rb_vm_set_progname(VALUE filename)
Definition: vm.c:2381
rb_f_eval
VALUE rb_f_eval(int argc, VALUE *argv, VALUE self)
Definition: vm_eval.c:1317
VALUE
unsigned long VALUE
Definition: ripper.y:104
rb_print_undef
void rb_print_undef(VALUE klass, ID id, int scope)
Definition: eval_error.c:206
rb_vm_make_jump_tag_but_local_jump
VALUE rb_vm_make_jump_tag_but_local_jump(int state, VALUE val)
Definition: vm.c:907
rb_vm_jump_tag_but_local_jump
void rb_vm_jump_tag_but_local_jump(int state)
Definition: vm.c:939
crt_externs.h
strrchr
char * strrchr(const char *, const char)