diff options
Diffstat (limited to 'trunk/eval_intern.h')
| -rw-r--r-- | trunk/eval_intern.h | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/trunk/eval_intern.h b/trunk/eval_intern.h new file mode 100644 index 0000000000..201604a5b9 --- /dev/null +++ b/trunk/eval_intern.h @@ -0,0 +1,235 @@ + +#ifndef RUBY_EVAL_INTERN_H +#define RUBY_EVAL_INTERN_H + +#define PASS_PASSED_BLOCK_TH(th) do { \ + (th)->passed_block = GC_GUARDED_PTR_REF((rb_block_t *)(th)->cfp->lfp[0]); \ + (th)->cfp->flag |= VM_FRAME_FLAG_PASSED; \ +} while (0) + +#define PASS_PASSED_BLOCK() do { \ + rb_thread_t * const __th__ = GET_THREAD(); \ + PASS_PASSED_BLOCK_TH(__th__); \ +} while (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 HAVE_NET_SOCKET_H +#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) + +enum ruby_tag_type { + RUBY_TAG_RETURN = 0x1, + RUBY_TAG_BREAK = 0x2, + RUBY_TAG_NEXT = 0x3, + RUBY_TAG_RETRY = 0x4, + RUBY_TAG_REDO = 0x5, + RUBY_TAG_RAISE = 0x6, + RUBY_TAG_THROW = 0x7, + RUBY_TAG_FATAL = 0x8, + RUBY_TAG_MASK = 0xf +}; +#define TAG_RETURN RUBY_TAG_RETURN +#define TAG_BREAK RUBY_TAG_BREAK +#define TAG_NEXT RUBY_TAG_NEXT +#define TAG_RETRY RUBY_TAG_RETRY +#define TAG_REDO RUBY_TAG_REDO +#define TAG_RAISE RUBY_TAG_RAISE +#define TAG_THROW RUBY_TAG_THROW +#define TAG_FATAL RUBY_TAG_FATAL +#define TAG_MASK RUBY_TAG_MASK + +#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) (vm_cref()->nd_visi & (f)) +#define SCOPE_CHECK(f) (vm_cref()->nd_visi == (f)) +#define SCOPE_SET(f) (vm_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 = 2, + RAISED_NOMEMORY = 4 +}; +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_print_undef(VALUE, ID, int)); +NORETURN(void vm_localjump_error(const char *,VALUE, int)); +NORETURN(void vm_jump_tag_but_local_jump(int, VALUE)); + +VALUE vm_make_jump_tag_but_local_jump(int state, VALUE val); +NODE *vm_cref(void); +rb_control_frame_t *vm_get_ruby_level_caller_cfp(rb_thread_t *th, rb_control_frame_t *cfp); +VALUE rb_obj_is_proc(VALUE); +VALUE rb_vm_call_cfunc(VALUE recv, VALUE (*func)(VALUE), VALUE arg, const rb_block_t *blockptr, VALUE filename); +void rb_thread_terminate_all(void); +VALUE rb_vm_top_self(); +VALUE rb_vm_cbase(void); + +#endif /* RUBY_EVAL_INTERN_H */ |