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74 lines
3.1 KiB
C
74 lines
3.1 KiB
C
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/** \noop-*-C++-*-vi:ft=cpp
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* @file
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* @author Ruby developers <ruby-core@ruby-lang.org>
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* @copyright This file is a part of the programming language Ruby.
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* Permission is hereby granted, to either redistribute and/or
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* modify this file, provided that the conditions mentioned in the
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* file COPYING are met. Consult the file for details.
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* @warning Symbols prefixed with either `RUBY3` or `ruby3` are
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* implementation details. Don't take them as canon. They could
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* rapidly appear then vanish. The name (path) of this header file
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* is also an implementation detail. Do not expect it to persist
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* at the place it is now. Developers are free to move it anywhere
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* anytime at will.
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* @note To ruby-core: remember that this header can be possibly
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* recursively included from extension libraries written in C++.
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* Do not expect for instance `__VA_ARGS__` is always available.
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* We assume C99 for ruby itself but we don't assume languages of
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* extension libraries. They could be written in C++98.
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* @brief Defines #NEWOBJ.
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*/
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#ifndef RUBY3_NEWOBJ_H
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#define RUBY3_NEWOBJ_H
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#include "ruby/3/cast.h"
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#include "ruby/3/core/rbasic.h"
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#include "ruby/3/dllexport.h"
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#include "ruby/3/fl_type.h"
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#include "ruby/3/special_consts.h"
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#include "ruby/3/value.h"
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#include "ruby/assert.h"
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#define RB_NEWOBJ(obj,type) type *(obj) = RUBY3_CAST((type *)rb_newobj())
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#define RB_NEWOBJ_OF(obj,type,klass,flags) type *(obj) = RUBY3_CAST((type *)rb_newobj_of(klass, flags))
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#define NEWOBJ RB_NEWOBJ
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#define NEWOBJ_OF RB_NEWOBJ_OF /* core has special NEWOBJ_OF() in internal.h */
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#define OBJSETUP rb_obj_setup /* use NEWOBJ_OF instead of NEWOBJ()+OBJSETUP() */
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#define CLONESETUP rb_clone_setup
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#define DUPSETUP rb_dup_setup
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RUBY3_SYMBOL_EXPORT_BEGIN()
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VALUE rb_newobj(void);
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VALUE rb_newobj_of(VALUE, VALUE);
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VALUE rb_obj_setup(VALUE obj, VALUE klass, VALUE type);
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VALUE rb_obj_class(VALUE);
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VALUE rb_singleton_class_clone(VALUE);
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void rb_singleton_class_attached(VALUE,VALUE);
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void rb_copy_generic_ivar(VALUE,VALUE);
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RUBY3_SYMBOL_EXPORT_END()
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static inline void
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rb_clone_setup(VALUE clone, VALUE obj)
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{
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RUBY3_ASSERT_OR_ASSUME(! RB_SPECIAL_CONST_P(obj));
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RUBY3_ASSERT_OR_ASSUME(! RB_SPECIAL_CONST_P(clone));
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const VALUE flags = RUBY_FL_PROMOTED0 | RUBY_FL_PROMOTED1 | RUBY_FL_FINALIZE;
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rb_obj_setup(clone, rb_singleton_class_clone(obj),
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RB_FL_TEST_RAW(obj, ~flags));
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rb_singleton_class_attached(RBASIC_CLASS(clone), clone);
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if (RB_FL_TEST(obj, RUBY_FL_EXIVAR)) rb_copy_generic_ivar(clone, obj);
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}
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static inline void
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rb_dup_setup(VALUE dup, VALUE obj)
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{
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RUBY3_ASSERT_OR_ASSUME(! RB_SPECIAL_CONST_P(obj));
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RUBY3_ASSERT_OR_ASSUME(! RB_SPECIAL_CONST_P(dup));
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rb_obj_setup(dup, rb_obj_class(obj), RB_FL_TEST_RAW(obj, RUBY_FL_DUPPED));
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if (RB_FL_TEST(obj, RUBY_FL_EXIVAR)) rb_copy_generic_ivar(dup, obj);
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}
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#endif /* RUBY3_NEWOBJ_H */
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