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ruby--ruby/internal/variable.h
Koichi Sasada a0f12a0258
Use ID instead of GENTRY for gvars. (#3278)
Use ID instead of GENTRY for gvars.

Global variables are compiled into GENTRY (a pointer to struct
rb_global_entry). This patch replace this GENTRY to ID and
make the code simple.

We need to search GENTRY from ID every time (st_lookup), so
additional overhead will be introduced.
However, the performance of accessing global variables is not
important now a day and this simplicity helps Ractor development.
2020-07-03 16:56:44 +09:00

82 lines
2.5 KiB
C

#ifndef INTERNAL_VARIABLE_H /*-*-C-*-vi:se ft=c:*/
#define INTERNAL_VARIABLE_H
/**
* @file
* @author Ruby developers <ruby-core@ruby-lang.org>
* @copyright This file is a part of the programming language Ruby.
* Permission is hereby granted, to either redistribute and/or
* modify this file, provided that the conditions mentioned in the
* file COPYING are met. Consult the file for details.
* @brief Internal header for variables.
*/
#include "ruby/internal/config.h"
#include <stddef.h> /* for size_t */
#include "constant.h" /* for rb_const_entry_t */
#include "ruby/internal/stdbool.h" /* for bool */
#include "ruby/ruby.h" /* for VALUE */
/* global variable */
#define ROBJECT_TRANSIENT_FLAG FL_USER13
/* variable.c */
void rb_gc_mark_global_tbl(void);
void rb_gc_update_global_tbl(void);
size_t rb_generic_ivar_memsize(VALUE);
VALUE rb_search_class_path(VALUE);
VALUE rb_attr_delete(VALUE, ID);
VALUE rb_ivar_lookup(VALUE obj, ID id, VALUE undef);
void rb_autoload_str(VALUE mod, ID id, VALUE file);
VALUE rb_autoload_at_p(VALUE, ID, int);
NORETURN(VALUE rb_mod_const_missing(VALUE,VALUE));
rb_gvar_getter_t *rb_gvar_getter_function_of(ID);
rb_gvar_setter_t *rb_gvar_setter_function_of(ID);
void rb_gvar_readonly_setter(VALUE v, ID id, VALUE *_);
static inline bool ROBJ_TRANSIENT_P(VALUE obj);
static inline void ROBJ_TRANSIENT_SET(VALUE obj);
static inline void ROBJ_TRANSIENT_UNSET(VALUE obj);
RUBY_SYMBOL_EXPORT_BEGIN
/* variable.c (export) */
void rb_mark_generic_ivar(VALUE);
void rb_mv_generic_ivar(VALUE src, VALUE dst);
VALUE rb_const_missing(VALUE klass, VALUE name);
int rb_class_ivar_set(VALUE klass, ID vid, VALUE value);
void rb_iv_tbl_copy(VALUE dst, VALUE src);
void rb_deprecate_constant(VALUE mod, const char *name);
RUBY_SYMBOL_EXPORT_END
MJIT_SYMBOL_EXPORT_BEGIN
VALUE rb_gvar_get(ID);
VALUE rb_gvar_set(ID, VALUE);
VALUE rb_gvar_defined(ID);
void rb_const_warn_if_deprecated(const rb_const_entry_t *, VALUE, ID);
MJIT_SYMBOL_EXPORT_END
static inline bool
ROBJ_TRANSIENT_P(VALUE obj)
{
#if USE_TRANSIENT_HEAP
return FL_TEST_RAW(obj, ROBJECT_TRANSIENT_FLAG);
#else
return false;
#endif
}
static inline void
ROBJ_TRANSIENT_SET(VALUE obj)
{
#if USE_TRANSIENT_HEAP
FL_SET_RAW(obj, ROBJECT_TRANSIENT_FLAG);
#endif
}
static inline void
ROBJ_TRANSIENT_UNSET(VALUE obj)
{
#if USE_TRANSIENT_HEAP
FL_UNSET_RAW(obj, ROBJECT_TRANSIENT_FLAG);
#endif
}
#endif /* INTERNAL_VARIABLE_H */