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 39char *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 54int _setjmp(jmp_buf); 55# endif 56# ifndef _longjmp 57NORETURN(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)) 77extern 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 124enum 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 160void rb_thread_cleanup(void); 161void rb_thread_wait_other_threads(void); 162 163enum { 164 RAISED_EXCEPTION = 1, 165 RAISED_STACKOVERFLOW = 2, 166 RAISED_NOMEMORY = 4 167}; 168int rb_threadptr_set_raised(rb_thread_t *th); 169int 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 175VALUE rb_f_eval(int argc, VALUE *argv, VALUE self); 176VALUE rb_make_exception(int argc, VALUE *argv); 177 178NORETURN(void rb_method_name_error(VALUE, VALUE)); 179 180NORETURN(void rb_fiber_start(void)); 181 182NORETURN(void rb_print_undef(VALUE, ID, int)); 183NORETURN(void rb_print_undef_str(VALUE, VALUE)); 184NORETURN(void rb_vm_localjump_error(const char *,VALUE, int)); 185NORETURN(void rb_vm_jump_tag_but_local_jump(int)); 186NORETURN(void rb_raise_method_missing(rb_thread_t *th, int argc, VALUE *argv, 187 VALUE obj, int call_status)); 188 189VALUE rb_vm_make_jump_tag_but_local_jump(int state, VALUE val); 190NODE *rb_vm_cref(void); 191VALUE rb_vm_call_cfunc(VALUE recv, VALUE (*func)(VALUE), VALUE arg, const rb_block_t *blockptr, VALUE filename); 192void rb_vm_set_progname(VALUE filename); 193void rb_thread_terminate_all(void); 194VALUE rb_vm_top_self(); 195VALUE 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__ 202static inline void 203translit_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 */ 214