Ruby
2.0.0p247(2013-06-27revision41674)
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00001 #ifndef RUBY_EVAL_INTERN_H 00002 #define RUBY_EVAL_INTERN_H 00003 00004 #include "ruby/ruby.h" 00005 #include "vm_core.h" 00006 00007 #define PASS_PASSED_BLOCK_TH(th) do { \ 00008 (th)->passed_block = rb_vm_control_frame_block_ptr(th->cfp); \ 00009 (th)->cfp->flag |= VM_FRAME_FLAG_PASSED; \ 00010 } while (0) 00011 00012 #define PASS_PASSED_BLOCK() do { \ 00013 rb_thread_t * const __th__ = GET_THREAD(); \ 00014 PASS_PASSED_BLOCK_TH(__th__); \ 00015 } while (0) 00016 00017 #ifdef HAVE_STDLIB_H 00018 #include <stdlib.h> 00019 #endif 00020 #ifndef EXIT_SUCCESS 00021 #define EXIT_SUCCESS 0 00022 #endif 00023 #ifndef EXIT_FAILURE 00024 #define EXIT_FAILURE 1 00025 #endif 00026 00027 #include <stdio.h> 00028 #include <setjmp.h> 00029 00030 #ifdef __APPLE__ 00031 # ifdef HAVE_CRT_EXTERNS_H 00032 # include <crt_externs.h> 00033 # else 00034 # include "missing/crt_externs.h" 00035 # endif 00036 #endif 00037 00038 #ifndef HAVE_STRING_H 00039 char *strrchr(const char *, const char); 00040 #endif 00041 00042 #ifdef HAVE_UNISTD_H 00043 #include <unistd.h> 00044 #endif 00045 00046 #ifdef HAVE_NET_SOCKET_H 00047 #include <net/socket.h> 00048 #endif 00049 00050 #define ruby_setjmp(env) RUBY_SETJMP(env) 00051 #define ruby_longjmp(env,val) RUBY_LONGJMP((env),(val)) 00052 #ifdef __CYGWIN__ 00053 # ifndef _setjmp 00054 int _setjmp(jmp_buf); 00055 # endif 00056 # ifndef _longjmp 00057 NORETURN(void _longjmp(jmp_buf, int)); 00058 # endif 00059 #endif 00060 00061 #include <sys/types.h> 00062 #include <signal.h> 00063 #include <errno.h> 00064 00065 #ifdef HAVE_SYS_SELECT_H 00066 #include <sys/select.h> 00067 #endif 00068 00069 /* 00070 Solaris sys/select.h switches select to select_large_fdset to support larger 00071 file descriptors if FD_SETSIZE is larger than 1024 on 32bit environment. 00072 But Ruby doesn't change FD_SETSIZE because fd_set is allocated dynamically. 00073 So following definition is required to use select_large_fdset. 00074 */ 00075 #ifdef HAVE_SELECT_LARGE_FDSET 00076 #define select(n, r, w, e, t) select_large_fdset((n), (r), (w), (e), (t)) 00077 extern int select_large_fdset(int, fd_set *, fd_set *, fd_set *, struct timeval *); 00078 #endif 00079 00080 #ifdef HAVE_SYS_PARAM_H 00081 #include <sys/param.h> 00082 #endif 00083 00084 #include <sys/stat.h> 00085 00086 #define SAVE_ROOT_JMPBUF(th, stmt) do \ 00087 if (ruby_setjmp((th)->root_jmpbuf) == 0) { \ 00088 stmt; \ 00089 } \ 00090 else { \ 00091 rb_fiber_start(); \ 00092 } while (0) 00093 00094 #define TH_PUSH_TAG(th) do { \ 00095 rb_thread_t * const _th = (th); \ 00096 struct rb_vm_tag _tag; \ 00097 _tag.tag = 0; \ 00098 _tag.prev = _th->tag; \ 00099 _th->tag = &_tag; 00100 00101 #define TH_POP_TAG() \ 00102 _th->tag = _tag.prev; \ 00103 } while (0) 00104 00105 #define TH_POP_TAG2() \ 00106 _th->tag = _tag.prev 00107 00108 #define PUSH_TAG() TH_PUSH_TAG(GET_THREAD()) 00109 #define POP_TAG() TH_POP_TAG() 00110 00111 #define TH_EXEC_TAG() ruby_setjmp(_th->tag->buf) 00112 00113 #define EXEC_TAG() \ 00114 TH_EXEC_TAG() 00115 00116 #define TH_JUMP_TAG(th, st) do { \ 00117 ruby_longjmp((th)->tag->buf,(st)); \ 00118 } while (0) 00119 00120 #define JUMP_TAG(st) TH_JUMP_TAG(GET_THREAD(), (st)) 00121 00122 #define INTERNAL_EXCEPTION_P(exc) FIXNUM_P(exc) 00123 00124 enum ruby_tag_type { 00125 RUBY_TAG_RETURN = 0x1, 00126 RUBY_TAG_BREAK = 0x2, 00127 RUBY_TAG_NEXT = 0x3, 00128 RUBY_TAG_RETRY = 0x4, 00129 RUBY_TAG_REDO = 0x5, 00130 RUBY_TAG_RAISE = 0x6, 00131 RUBY_TAG_THROW = 0x7, 00132 RUBY_TAG_FATAL = 0x8, 00133 RUBY_TAG_MASK = 0xf 00134 }; 00135 #define TAG_RETURN RUBY_TAG_RETURN 00136 #define TAG_BREAK RUBY_TAG_BREAK 00137 #define TAG_NEXT RUBY_TAG_NEXT 00138 #define TAG_RETRY RUBY_TAG_RETRY 00139 #define TAG_REDO RUBY_TAG_REDO 00140 #define TAG_RAISE RUBY_TAG_RAISE 00141 #define TAG_THROW RUBY_TAG_THROW 00142 #define TAG_FATAL RUBY_TAG_FATAL 00143 #define TAG_MASK RUBY_TAG_MASK 00144 00145 #define NEW_THROW_OBJECT(val, pt, st) \ 00146 ((VALUE)rb_node_newnode(NODE_LIT, (VALUE)(val), (VALUE)(pt), (VALUE)(st))) 00147 #define SET_THROWOBJ_CATCH_POINT(obj, val) \ 00148 (RNODE((obj))->u2.value = (val)) 00149 #define SET_THROWOBJ_STATE(obj, val) \ 00150 (RNODE((obj))->u3.value = (val)) 00151 00152 #define GET_THROWOBJ_VAL(obj) ((VALUE)RNODE((obj))->u1.value) 00153 #define GET_THROWOBJ_CATCH_POINT(obj) ((VALUE*)RNODE((obj))->u2.value) 00154 #define GET_THROWOBJ_STATE(obj) ((int)RNODE((obj))->u3.value) 00155 00156 #define SCOPE_TEST(f) (rb_vm_cref()->nd_visi & (f)) 00157 #define SCOPE_CHECK(f) (rb_vm_cref()->nd_visi == (f)) 00158 #define SCOPE_SET(f) (rb_vm_cref()->nd_visi = (f)) 00159 00160 void rb_thread_cleanup(void); 00161 void rb_thread_wait_other_threads(void); 00162 00163 enum { 00164 RAISED_EXCEPTION = 1, 00165 RAISED_STACKOVERFLOW = 2, 00166 RAISED_NOMEMORY = 4 00167 }; 00168 int rb_threadptr_set_raised(rb_thread_t *th); 00169 int rb_threadptr_reset_raised(rb_thread_t *th); 00170 #define rb_thread_raised_set(th, f) ((th)->raised_flag |= (f)) 00171 #define rb_thread_raised_reset(th, f) ((th)->raised_flag &= ~(f)) 00172 #define rb_thread_raised_p(th, f) (((th)->raised_flag & (f)) != 0) 00173 #define rb_thread_raised_clear(th) ((th)->raised_flag = 0) 00174 00175 VALUE rb_f_eval(int argc, VALUE *argv, VALUE self); 00176 VALUE rb_make_exception(int argc, VALUE *argv); 00177 00178 NORETURN(void rb_method_name_error(VALUE, VALUE)); 00179 00180 NORETURN(void rb_fiber_start(void)); 00181 00182 NORETURN(void rb_print_undef(VALUE, ID, int)); 00183 NORETURN(void rb_print_undef_str(VALUE, VALUE)); 00184 NORETURN(void rb_vm_localjump_error(const char *,VALUE, int)); 00185 NORETURN(void rb_vm_jump_tag_but_local_jump(int)); 00186 NORETURN(void rb_raise_method_missing(rb_thread_t *th, int argc, VALUE *argv, 00187 VALUE obj, int call_status)); 00188 00189 VALUE rb_vm_make_jump_tag_but_local_jump(int state, VALUE val); 00190 NODE *rb_vm_cref(void); 00191 VALUE rb_vm_call_cfunc(VALUE recv, VALUE (*func)(VALUE), VALUE arg, const rb_block_t *blockptr, VALUE filename); 00192 void rb_vm_set_progname(VALUE filename); 00193 void rb_thread_terminate_all(void); 00194 VALUE rb_vm_top_self(); 00195 VALUE rb_vm_cbase(void); 00196 00197 #ifndef CharNext /* defined as CharNext[AW] on Windows. */ 00198 #define CharNext(p) ((p) + mblen((p), RUBY_MBCHAR_MAXSIZE)) 00199 #endif 00200 00201 #if defined DOSISH || defined __CYGWIN__ 00202 static inline void 00203 translit_char(char *p, int from, int to) 00204 { 00205 while (*p) { 00206 if ((unsigned char)*p == from) 00207 *p = to; 00208 p = CharNext(p); 00209 } 00210 } 00211 #endif 00212 00213 #endif /* RUBY_EVAL_INTERN_H */ 00214