mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
ae166317a4
* CREF_CLASS(cref) * CREF_NEXT(cref) * CREF_VISI(cref) * CREF_VISI_SET(cref, v) * CREF_REFINEMENTS(cref) * CREF_PUSHED_BY_EVAL(cref) * CREF_PUSHED_BY_EVAL_SET(cref) * CREF_OMOD_SHARED(cref) * CREF_OMOD_SHARED_SET(cref) * CREF_OMOD_SHARED_UNSET(cref) This is process to change CREF data type from NODE. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49894 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
275 lines
7.3 KiB
C
275 lines
7.3 KiB
C
#ifndef RUBY_EVAL_INTERN_H
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#define RUBY_EVAL_INTERN_H
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#include "ruby/ruby.h"
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#include "vm_core.h"
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#define PASS_PASSED_BLOCK_TH(th) do { \
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(th)->passed_block = rb_vm_control_frame_block_ptr(th->cfp); \
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(th)->cfp->flag |= VM_FRAME_FLAG_PASSED; \
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} while (0)
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#define PASS_PASSED_BLOCK() do { \
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rb_thread_t * const __th__ = GET_THREAD(); \
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PASS_PASSED_BLOCK_TH(__th__); \
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} while (0)
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifndef EXIT_SUCCESS
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#define EXIT_SUCCESS 0
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#endif
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#ifndef EXIT_FAILURE
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#define EXIT_FAILURE 1
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#endif
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#include <stdio.h>
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#include <setjmp.h>
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#ifdef __APPLE__
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# ifdef HAVE_CRT_EXTERNS_H
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# include <crt_externs.h>
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# else
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# include "missing/crt_externs.h"
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# endif
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#endif
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#ifndef HAVE_STRING_H
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char *strrchr(const char *, const char);
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_NET_SOCKET_H
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#include <net/socket.h>
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#endif
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#define ruby_setjmp(env) RUBY_SETJMP(env)
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#define ruby_longjmp(env,val) RUBY_LONGJMP((env),(val))
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#ifdef __CYGWIN__
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# ifndef _setjmp
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int _setjmp(jmp_buf);
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# endif
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# ifndef _longjmp
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NORETURN(void _longjmp(jmp_buf, int));
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# endif
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#endif
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#include <sys/types.h>
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#include <signal.h>
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#include <errno.h>
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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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/*
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Solaris sys/select.h switches select to select_large_fdset to support larger
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file descriptors if FD_SETSIZE is larger than 1024 on 32bit environment.
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But Ruby doesn't change FD_SETSIZE because fd_set is allocated dynamically.
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So following definition is required to use select_large_fdset.
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*/
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#ifdef HAVE_SELECT_LARGE_FDSET
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#define select(n, r, w, e, t) select_large_fdset((n), (r), (w), (e), (t))
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extern int select_large_fdset(int, fd_set *, fd_set *, fd_set *, struct timeval *);
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#endif
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#include <sys/stat.h>
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#ifdef _MSC_VER
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#define SAVE_ROOT_JMPBUF_BEFORE_STMT \
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__try {
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#define SAVE_ROOT_JMPBUF_AFTER_STMT \
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} \
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__except (GetExceptionCode() == EXCEPTION_STACK_OVERFLOW ? \
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(rb_thread_raised_set(GET_THREAD(), RAISED_STACKOVERFLOW), \
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raise(SIGSEGV), \
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EXCEPTION_EXECUTE_HANDLER) : \
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EXCEPTION_CONTINUE_SEARCH) { \
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/* never reaches here */ \
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}
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#elif defined(__MINGW32__)
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LONG WINAPI rb_w32_stack_overflow_handler(struct _EXCEPTION_POINTERS *);
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#define SAVE_ROOT_JMPBUF_BEFORE_STMT \
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do { \
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PVOID _handler = AddVectoredExceptionHandler(1, rb_w32_stack_overflow_handler);
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#define SAVE_ROOT_JMPBUF_AFTER_STMT \
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RemoveVectoredExceptionHandler(_handler); \
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} while (0);
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#else
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#define SAVE_ROOT_JMPBUF_BEFORE_STMT
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#define SAVE_ROOT_JMPBUF_AFTER_STMT
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#endif
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#define SAVE_ROOT_JMPBUF(th, stmt) do \
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if (ruby_setjmp((th)->root_jmpbuf) == 0) { \
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SAVE_ROOT_JMPBUF_BEFORE_STMT \
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stmt; \
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SAVE_ROOT_JMPBUF_AFTER_STMT \
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} \
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else { \
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rb_fiber_start(); \
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} while (0)
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#define TH_PUSH_TAG(th) do { \
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rb_thread_t * const _th = (th); \
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struct rb_vm_tag _tag; \
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_tag.tag = 0; \
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_tag.prev = _th->tag;
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#define TH_POP_TAG() \
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_th->tag = _tag.prev; \
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} while (0)
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#define TH_TMPPOP_TAG() \
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_th->tag = _tag.prev
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#define TH_REPUSH_TAG() (void)(_th->tag = &_tag)
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#define PUSH_TAG() TH_PUSH_TAG(GET_THREAD())
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#define POP_TAG() TH_POP_TAG()
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#if defined __GNUC__ && __GNUC__ == 4 && (__GNUC_MINOR__ >= 6 && __GNUC_MINOR__ <= 8)
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# define VAR_FROM_MEMORY(var) __extension__(*(__typeof__(var) volatile *)&(var))
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# define VAR_INITIALIZED(var) ((var) = VAR_FROM_MEMORY(var))
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#else
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# define VAR_FROM_MEMORY(var) (var)
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# define VAR_INITIALIZED(var) ((void)&(var))
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#endif
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/* clear th->state, and return the value */
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static inline int
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rb_threadptr_tag_state(rb_thread_t *th)
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{
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int state = th->state;
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th->state = 0;
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return state;
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}
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NORETURN(static inline void rb_threadptr_tag_jump(rb_thread_t *, int));
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static inline void
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rb_threadptr_tag_jump(rb_thread_t *th, int st)
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{
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th->state = st;
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ruby_longjmp(th->tag->buf, 1);
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}
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/*
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setjmp() in assignment expression rhs is undefined behavior
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[ISO/IEC 9899:1999] 7.13.1.1
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*/
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#define TH_EXEC_TAG() \
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(ruby_setjmp(_tag.buf) ? rb_threadptr_tag_state(VAR_FROM_MEMORY(_th)) : (TH_REPUSH_TAG(), 0))
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#define EXEC_TAG() \
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TH_EXEC_TAG()
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#define TH_JUMP_TAG(th, st) rb_threadptr_tag_jump(th, st)
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#define JUMP_TAG(st) TH_JUMP_TAG(GET_THREAD(), (st))
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#define INTERNAL_EXCEPTION_P(exc) FIXNUM_P(exc)
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enum ruby_tag_type {
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RUBY_TAG_RETURN = 0x1,
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RUBY_TAG_BREAK = 0x2,
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RUBY_TAG_NEXT = 0x3,
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RUBY_TAG_RETRY = 0x4,
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RUBY_TAG_REDO = 0x5,
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RUBY_TAG_RAISE = 0x6,
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RUBY_TAG_THROW = 0x7,
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RUBY_TAG_FATAL = 0x8,
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RUBY_TAG_MASK = 0xf
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};
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#define TAG_RETURN RUBY_TAG_RETURN
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#define TAG_BREAK RUBY_TAG_BREAK
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#define TAG_NEXT RUBY_TAG_NEXT
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#define TAG_RETRY RUBY_TAG_RETRY
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#define TAG_REDO RUBY_TAG_REDO
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#define TAG_RAISE RUBY_TAG_RAISE
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#define TAG_THROW RUBY_TAG_THROW
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#define TAG_FATAL RUBY_TAG_FATAL
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#define TAG_MASK RUBY_TAG_MASK
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#define NEW_THROW_OBJECT(val, pt, st) \
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((VALUE)rb_node_newnode(NODE_LIT, (VALUE)(val), (VALUE)(pt), (VALUE)(st)))
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#define SET_THROWOBJ_CATCH_POINT(obj, val) \
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(RNODE((obj))->u2.value = (val))
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#define SET_THROWOBJ_STATE(obj, val) \
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(RNODE((obj))->u3.value = (val))
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#define GET_THROWOBJ_VAL(obj) ((VALUE)RNODE((obj))->u1.value)
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#define GET_THROWOBJ_CATCH_POINT(obj) ((rb_control_frame_t*)RNODE((obj))->u2.value)
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#define GET_THROWOBJ_STATE(obj) ((int)RNODE((obj))->u3.value)
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#define SCOPE_TEST(f) (CREF_VISI(rb_vm_cref()) & (f))
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#define SCOPE_CHECK(f) (CREF_VISI(rb_vm_cref()) == (f))
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#define SCOPE_SET(f) (CREF_VISI_SET(rb_vm_cref(), (f)))
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void rb_thread_cleanup(void);
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void rb_thread_wait_other_threads(void);
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enum {
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RAISED_EXCEPTION = 1,
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RAISED_STACKOVERFLOW = 2,
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RAISED_NOMEMORY = 4
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};
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int rb_threadptr_set_raised(rb_thread_t *th);
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int rb_threadptr_reset_raised(rb_thread_t *th);
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#define rb_thread_raised_set(th, f) ((th)->raised_flag |= (f))
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#define rb_thread_raised_reset(th, f) ((th)->raised_flag &= ~(f))
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#define rb_thread_raised_p(th, f) (((th)->raised_flag & (f)) != 0)
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#define rb_thread_raised_clear(th) ((th)->raised_flag = 0)
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VALUE rb_f_eval(int argc, const VALUE *argv, VALUE self);
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VALUE rb_make_exception(int argc, const VALUE *argv);
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NORETURN(void rb_method_name_error(VALUE, VALUE));
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NORETURN(void rb_fiber_start(void));
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NORETURN(void rb_print_undef(VALUE, ID, int));
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NORETURN(void rb_print_undef_str(VALUE, VALUE));
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NORETURN(void rb_print_inaccessible(VALUE, ID, int));
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NORETURN(void rb_vm_localjump_error(const char *,VALUE, int));
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NORETURN(void rb_vm_jump_tag_but_local_jump(int));
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NORETURN(void rb_raise_method_missing(rb_thread_t *th, int argc, const VALUE *argv,
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VALUE obj, int call_status));
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VALUE rb_vm_make_jump_tag_but_local_jump(int state, VALUE val);
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NODE *rb_vm_cref(void);
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VALUE rb_vm_call_cfunc(VALUE recv, VALUE (*func)(VALUE), VALUE arg, const rb_block_t *blockptr, VALUE filename);
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void rb_vm_set_progname(VALUE filename);
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void rb_thread_terminate_all(void);
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VALUE rb_vm_top_self();
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VALUE rb_vm_cbase(void);
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#ifndef CharNext /* defined as CharNext[AW] on Windows. */
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# ifdef HAVE_MBLEN
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# define CharNext(p) ((p) + mblen((p), RUBY_MBCHAR_MAXSIZE))
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# else
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# define CharNext(p) ((p) + 1)
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# endif
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#endif
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#if defined DOSISH || defined __CYGWIN__
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static inline void
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translit_char(char *p, int from, int to)
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{
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while (*p) {
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if ((unsigned char)*p == from)
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*p = to;
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p = CharNext(p);
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}
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}
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#endif
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#endif /* RUBY_EVAL_INTERN_H */
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