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#ifndef RUBY_INTERNAL_H /*-*-C-*-vi:se ft=c:*/
#define RUBY_INTERNAL_H 1
/**
* @author $Author$
* @date Tue May 17 11:42:20 JST 2011
* @copyright Copyright (C) 2011 Yukihiro Matsumoto
* @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.
*/
#include "ruby/internal/config.h"
#ifdef __cplusplus
# error not for C++
#endif
#define LIKELY(x) RB_LIKELY(x)
#define UNLIKELY(x) RB_UNLIKELY(x)
#define numberof(array) ((int)(sizeof(array) / sizeof((array)[0])))
#define roomof(x, y) (((x) + (y) - 1) / (y))
#define type_roomof(x, y) roomof(sizeof(x), sizeof(y))
/* Prevent compiler from reordering access */
#define ACCESS_ONCE(type,x) (*((volatile type *)&(x)))
#include "ruby/ruby.h"
/* Following macros were formerly defined in this header but moved to somewhere
* else. In order to detect them we undef here. */
/* internal/array.h */
#undef RARRAY_AREF
/* internal/class.h */
#undef RClass
#undef RCLASS_SUPER
/* internal/gc.h */
#undef NEWOBJ_OF
#undef RB_NEWOBJ_OF
#undef RB_OBJ_WRITE
/* internal/hash.h */
#undef RHASH_IFNONE
#undef RHASH_SIZE
#undef RHASH_TBL
#undef RHASH_EMPTY_P
/* internal/object.h */
#undef ROBJECT_IV_INDEX_TBL
/* internal/struct.h */
#undef RSTRUCT_LEN
#undef RSTRUCT_PTR
#undef RSTRUCT_SET
#undef RSTRUCT_GET
/* Also, we keep the following macros here. They are expected to be
* overridden in each headers. */
/* internal/array.h */
#define rb_ary_new_from_args(...) rb_nonexistent_symbol(__VA_ARGS__)
/* internal/io.h */
#define rb_io_fptr_finalize(...) rb_nonexistent_symbol(__VA_ARGS__)
/* internal/string.h */
#define rb_fstring_cstr(...) rb_nonexistent_symbol(__VA_ARGS__)
/* internal/symbol.h */
#define rb_sym_intern_ascii_cstr(...) rb_nonexistent_symbol(__VA_ARGS__)
/* internal/vm.h */
#define rb_funcallv(...) rb_nonexistent_symbol(__VA_ARGS__)
#define rb_method_basic_definition_p(...) rb_nonexistent_symbol(__VA_ARGS__)
/* MRI debug support */
/* gc.c */
void rb_obj_info_dump(VALUE obj);
void rb_obj_info_dump_loc(VALUE obj, const char *file, int line, const char *func);
/* debug.c */
RUBY_SYMBOL_EXPORT_BEGIN
void ruby_debug_breakpoint(void);
PRINTF_ARGS(void ruby_debug_printf(const char*, ...), 1, 2);
RUBY_SYMBOL_EXPORT_END
// show obj data structure without any side-effect
#define rp(obj) rb_obj_info_dump_loc((VALUE)(obj), __FILE__, __LINE__, RUBY_FUNCTION_NAME_STRING)
// same as rp, but add message header
#define rp_m(msg, obj) do { \
fputs((msg), stderr); \
rb_obj_info_dump((VALUE)(obj)); \
} while (0)
// `ruby_debug_breakpoint()` does nothing,
// but breakpoint is set in run.gdb, so `make gdb` can stop here.
#define bp() ruby_debug_breakpoint()
#define RBOOL(v) ((v) ? Qtrue : Qfalse)
#define RB_BIGNUM_TYPE_P(x) RB_TYPE_P((x), T_BIGNUM)
#endif /* RUBY_INTERNAL_H */
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