mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
312 lines
7.9 KiB
C
312 lines
7.9 KiB
C
#ifndef RUBY_EVAL_INTERN_H
|
|
#define RUBY_EVAL_INTERN_H
|
|
|
|
#include "ruby/ruby.h"
|
|
#include "vm_core.h"
|
|
|
|
static inline void
|
|
vm_passed_block_handler_set(rb_execution_context_t *ec, VALUE block_handler)
|
|
{
|
|
vm_block_handler_verify(block_handler);
|
|
ec->passed_block_handler = block_handler;
|
|
}
|
|
|
|
static inline void
|
|
pass_passed_block_handler(rb_execution_context_t *ec)
|
|
{
|
|
VALUE block_handler = rb_vm_frame_block_handler(ec->cfp);
|
|
vm_passed_block_handler_set(ec, block_handler);
|
|
VM_ENV_FLAGS_SET(ec->cfp->ep, VM_FRAME_FLAG_PASSED);
|
|
}
|
|
|
|
#define PASS_PASSED_BLOCK_HANDLER_EC(ec) pass_passed_block_handler(ec)
|
|
#define PASS_PASSED_BLOCK_HANDLER() pass_passed_block_handler(GET_EC())
|
|
|
|
#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>
|
|
|
|
#ifdef __APPLE__
|
|
# ifdef HAVE_CRT_EXTERNS_H
|
|
# include <crt_externs.h>
|
|
# else
|
|
# include "missing/crt_externs.h"
|
|
# endif
|
|
#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
|
|
|
|
#define ruby_setjmp(env) RUBY_SETJMP(env)
|
|
#define ruby_longjmp(env,val) RUBY_LONGJMP((env),(val))
|
|
#ifdef __CYGWIN__
|
|
# ifndef _setjmp
|
|
int _setjmp(jmp_buf);
|
|
# endif
|
|
# ifndef _longjmp
|
|
NORETURN(void _longjmp(jmp_buf, int));
|
|
# endif
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
#include <signal.h>
|
|
#include <errno.h>
|
|
|
|
#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))
|
|
extern int select_large_fdset(int, fd_set *, fd_set *, fd_set *, struct timeval *);
|
|
#endif
|
|
|
|
#ifdef HAVE_SYS_PARAM_H
|
|
#include <sys/param.h>
|
|
#endif
|
|
|
|
#include <sys/stat.h>
|
|
|
|
#ifdef _MSC_VER
|
|
#define SAVE_ROOT_JMPBUF_BEFORE_STMT \
|
|
__try {
|
|
#define SAVE_ROOT_JMPBUF_AFTER_STMT \
|
|
} \
|
|
__except (GetExceptionCode() == EXCEPTION_STACK_OVERFLOW ? \
|
|
(rb_ec_raised_set(GET_EC(), RAISED_STACKOVERFLOW), \
|
|
raise(SIGSEGV), \
|
|
EXCEPTION_EXECUTE_HANDLER) : \
|
|
EXCEPTION_CONTINUE_SEARCH) { \
|
|
/* never reaches here */ \
|
|
}
|
|
#elif defined(__MINGW32__)
|
|
LONG WINAPI rb_w32_stack_overflow_handler(struct _EXCEPTION_POINTERS *);
|
|
#define SAVE_ROOT_JMPBUF_BEFORE_STMT \
|
|
do { \
|
|
PVOID _handler = AddVectoredExceptionHandler(1, rb_w32_stack_overflow_handler);
|
|
|
|
#define SAVE_ROOT_JMPBUF_AFTER_STMT \
|
|
RemoveVectoredExceptionHandler(_handler); \
|
|
} while (0);
|
|
#else
|
|
#define SAVE_ROOT_JMPBUF_BEFORE_STMT
|
|
#define SAVE_ROOT_JMPBUF_AFTER_STMT
|
|
#endif
|
|
|
|
#define SAVE_ROOT_JMPBUF(th, stmt) do \
|
|
if (ruby_setjmp((th)->root_jmpbuf) == 0) { \
|
|
SAVE_ROOT_JMPBUF_BEFORE_STMT \
|
|
stmt; \
|
|
SAVE_ROOT_JMPBUF_AFTER_STMT \
|
|
} \
|
|
else { \
|
|
rb_fiber_start(); \
|
|
} while (0)
|
|
|
|
#define EC_PUSH_TAG(ec) do { \
|
|
rb_execution_context_t * const _ec = (ec); \
|
|
struct rb_vm_tag _tag; \
|
|
_tag.state = TAG_NONE; \
|
|
_tag.tag = Qundef; \
|
|
_tag.prev = _ec->tag;
|
|
|
|
#define EC_POP_TAG() \
|
|
_ec->tag = _tag.prev; \
|
|
} while (0)
|
|
|
|
#define EC_TMPPOP_TAG() \
|
|
_ec->tag = _tag.prev
|
|
|
|
#define EC_REPUSH_TAG() (void)(_ec->tag = &_tag)
|
|
|
|
#if defined __GNUC__ && __GNUC__ == 4 && (__GNUC_MINOR__ >= 6 && __GNUC_MINOR__ <= 8) || __clang__
|
|
/* This macro prevents GCC 4.6--4.8 from emitting maybe-uninitialized warnings.
|
|
* This macro also prevents Clang from dumping core in EC_EXEC_TAG().
|
|
* (I confirmed Clang 4.0.1 and 5.0.0.)
|
|
*/
|
|
# define VAR_FROM_MEMORY(var) __extension__(*(__typeof__(var) volatile *)&(var))
|
|
# define VAR_INITIALIZED(var) ((var) = VAR_FROM_MEMORY(var))
|
|
# define VAR_NOCLOBBERED(var) volatile var
|
|
#else
|
|
# define VAR_FROM_MEMORY(var) (var)
|
|
# define VAR_INITIALIZED(var) ((void)&(var))
|
|
# define VAR_NOCLOBBERED(var) var
|
|
#endif
|
|
|
|
/* clear ec->tag->state, and return the value */
|
|
static inline int
|
|
rb_ec_tag_state(const rb_execution_context_t *ec)
|
|
{
|
|
enum ruby_tag_type state = ec->tag->state;
|
|
ec->tag->state = TAG_NONE;
|
|
return state;
|
|
}
|
|
|
|
NORETURN(static inline void rb_ec_tag_jump(const rb_execution_context_t *ec, enum ruby_tag_type st));
|
|
static inline void
|
|
rb_ec_tag_jump(const rb_execution_context_t *ec, enum ruby_tag_type st)
|
|
{
|
|
ec->tag->state = st;
|
|
ruby_longjmp(ec->tag->buf, 1);
|
|
}
|
|
|
|
/*
|
|
setjmp() in assignment expression rhs is undefined behavior
|
|
[ISO/IEC 9899:1999] 7.13.1.1
|
|
*/
|
|
#define EC_EXEC_TAG() \
|
|
(ruby_setjmp(_tag.buf) ? rb_ec_tag_state(VAR_FROM_MEMORY(_ec)) : (EC_REPUSH_TAG(), 0))
|
|
|
|
#define EC_JUMP_TAG(ec, st) rb_ec_tag_jump(ec, st)
|
|
|
|
#define INTERNAL_EXCEPTION_P(exc) FIXNUM_P(exc)
|
|
|
|
/* CREF operators */
|
|
|
|
#define CREF_FL_PUSHED_BY_EVAL IMEMO_FL_USER1
|
|
#define CREF_FL_OMOD_SHARED IMEMO_FL_USER2
|
|
|
|
static inline VALUE
|
|
CREF_CLASS(const rb_cref_t *cref)
|
|
{
|
|
return cref->klass;
|
|
}
|
|
|
|
static inline rb_cref_t *
|
|
CREF_NEXT(const rb_cref_t *cref)
|
|
{
|
|
return cref->next;
|
|
}
|
|
|
|
static inline const rb_scope_visibility_t *
|
|
CREF_SCOPE_VISI(const rb_cref_t *cref)
|
|
{
|
|
return &cref->scope_visi;
|
|
}
|
|
|
|
static inline VALUE
|
|
CREF_REFINEMENTS(const rb_cref_t *cref)
|
|
{
|
|
return cref->refinements;
|
|
}
|
|
|
|
static inline void
|
|
CREF_REFINEMENTS_SET(rb_cref_t *cref, VALUE refs)
|
|
{
|
|
RB_OBJ_WRITE(cref, &cref->refinements, refs);
|
|
}
|
|
|
|
static inline int
|
|
CREF_PUSHED_BY_EVAL(const rb_cref_t *cref)
|
|
{
|
|
return cref->flags & CREF_FL_PUSHED_BY_EVAL;
|
|
}
|
|
|
|
static inline void
|
|
CREF_PUSHED_BY_EVAL_SET(rb_cref_t *cref)
|
|
{
|
|
cref->flags |= CREF_FL_PUSHED_BY_EVAL;
|
|
}
|
|
|
|
static inline int
|
|
CREF_OMOD_SHARED(const rb_cref_t *cref)
|
|
{
|
|
return cref->flags & CREF_FL_OMOD_SHARED;
|
|
}
|
|
|
|
static inline void
|
|
CREF_OMOD_SHARED_SET(rb_cref_t *cref)
|
|
{
|
|
cref->flags |= CREF_FL_OMOD_SHARED;
|
|
}
|
|
|
|
static inline void
|
|
CREF_OMOD_SHARED_UNSET(rb_cref_t *cref)
|
|
{
|
|
cref->flags &= ~CREF_FL_OMOD_SHARED;
|
|
}
|
|
|
|
enum {
|
|
RAISED_EXCEPTION = 1,
|
|
RAISED_STACKOVERFLOW = 2,
|
|
RAISED_NOMEMORY = 4
|
|
};
|
|
#define rb_ec_raised_set(ec, f) ((ec)->raised_flag |= (f))
|
|
#define rb_ec_raised_reset(ec, f) ((ec)->raised_flag &= ~(f))
|
|
#define rb_ec_raised_p(ec, f) (((ec)->raised_flag & (f)) != 0)
|
|
#define rb_ec_raised_clear(ec) ((ec)->raised_flag = 0)
|
|
int rb_ec_set_raised(rb_execution_context_t *ec);
|
|
int rb_ec_reset_raised(rb_execution_context_t *ec);
|
|
int rb_ec_stack_check(rb_execution_context_t *ec);
|
|
|
|
VALUE rb_f_eval(int argc, const VALUE *argv, VALUE self);
|
|
VALUE rb_make_exception(int argc, const VALUE *argv);
|
|
|
|
NORETURN(void rb_method_name_error(VALUE, VALUE));
|
|
|
|
NORETURN(void rb_fiber_start(void));
|
|
|
|
NORETURN(void rb_print_undef(VALUE, ID, rb_method_visibility_t));
|
|
NORETURN(void rb_print_undef_str(VALUE, VALUE));
|
|
NORETURN(void rb_print_inaccessible(VALUE, ID, rb_method_visibility_t));
|
|
NORETURN(void rb_vm_localjump_error(const char *,VALUE, int));
|
|
NORETURN(void rb_vm_jump_tag_but_local_jump(int));
|
|
|
|
VALUE rb_vm_make_jump_tag_but_local_jump(int state, VALUE val);
|
|
rb_cref_t *rb_vm_cref(void);
|
|
rb_cref_t *rb_vm_cref_replace_with_duplicated_cref(void);
|
|
VALUE rb_vm_call_cfunc(VALUE recv, VALUE (*func)(VALUE), VALUE arg, VALUE block_handler, VALUE filename);
|
|
void rb_vm_set_progname(VALUE filename);
|
|
void rb_thread_terminate_all(void);
|
|
VALUE rb_vm_cbase(void);
|
|
|
|
/* vm_backtrace.c */
|
|
VALUE rb_ec_backtrace_object(const rb_execution_context_t *ec);
|
|
VALUE rb_ec_backtrace_str_ary(const rb_execution_context_t *ec, long lev, long n);
|
|
VALUE rb_ec_backtrace_location_ary(const rb_execution_context_t *ec, long lev, long n);
|
|
|
|
#ifndef CharNext /* defined as CharNext[AW] on Windows. */
|
|
# ifdef HAVE_MBLEN
|
|
# define CharNext(p) ((p) + mblen((p), RUBY_MBCHAR_MAXSIZE))
|
|
# else
|
|
# define CharNext(p) ((p) + 1)
|
|
# endif
|
|
#endif
|
|
|
|
#if defined DOSISH || defined __CYGWIN__
|
|
static inline void
|
|
translit_char(char *p, int from, int to)
|
|
{
|
|
while (*p) {
|
|
if ((unsigned char)*p == from)
|
|
*p = to;
|
|
p = CharNext(p);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#endif /* RUBY_EVAL_INTERN_H */
|