boxing_word.h File Reference

• word boxing mrb_value definition

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Classes
struct	RFloat
struct	RCptr
union	mrb_value

Macros
#define	MRB_FIXNUM_SHIFT   1
#define	MRB_TT_HAS_BASIC   MRB_TT_FLOAT
#define	MRB_FIXNUM_FLAG   0x01
#define	MRB_SYMBOL_FLAG   0x0e
#define	MRB_SPECIAL_SHIFT   8
#define	MRB_SYMBOL_BITSIZE   (sizeof(mrb_sym) * CHAR_BIT - MRB_SPECIAL_SHIFT)
#define	MRB_SYMBOL_MAX   (UINT32_MAX >> MRB_SPECIAL_SHIFT)
#define	mrb_float_pool(mrb, f)   mrb_word_boxing_float_pool(mrb,f)
#define	mrb_ptr(o)   (o).value.p
#define	mrb_cptr(o)   (o).value.vp->p
#define	mrb_float(o)   (o).value.fp->f
#define	mrb_fixnum(o)   ((mrb_int)(o).value.i)
#define	mrb_symbol(o)   (o).value.sym
#define	mrb_bool(o)   ((o).w != MRB_Qnil && (o).w != MRB_Qfalse)
#define	mrb_fixnum_p(o)   ((o).value.i_flag == MRB_FIXNUM_FLAG)
#define	mrb_undef_p(o)   ((o).w == MRB_Qundef)
#define	mrb_nil_p(o)   ((o).w == MRB_Qnil)
#define	mrb_false_p(o)   ((o).w == MRB_Qfalse)
#define	mrb_true_p(o)   ((o).w == MRB_Qtrue)
#define	SET_FLOAT_VALUE(mrb, r, v)   ((r) = mrb_word_boxing_float_value(mrb, v))
#define	SET_CPTR_VALUE(mrb, r, v)   ((r) = mrb_word_boxing_cptr_value(mrb, v))
#define	SET_UNDEF_VALUE(r)   ((r).w = MRB_Qundef)
#define	SET_NIL_VALUE(r)   ((r).w = MRB_Qnil)
#define	SET_FALSE_VALUE(r)   ((r).w = MRB_Qfalse)
#define	SET_TRUE_VALUE(r)   ((r).w = MRB_Qtrue)
#define	SET_BOOL_VALUE(r, b)   ((b) ? SET_TRUE_VALUE(r) : SET_FALSE_VALUE(r))
#define	SET_INT_VALUE(r, n)
#define	SET_SYM_VALUE(r, v)
#define	SET_OBJ_VALUE(r, v)

Typedefs
typedef union mrb_value	mrb_value

Enumerations
enum	mrb_special_consts { MRB_Qnil = 0, MRB_Qfalse = 2, MRB_Qtrue = 4, MRB_Qundef = 6 }

Functions
MRB_API mrb_value	mrb_word_boxing_cptr_value (struct mrb_state *, void *)
MRB_API mrb_value	mrb_word_boxing_float_value (struct mrb_state *, mrb_float)
MRB_API mrb_value	mrb_word_boxing_float_pool (struct mrb_state *, mrb_float)
MRB_INLINE enum mrb_vtype	mrb_type (mrb_value o)

Detailed Description

• word boxing mrb_value definition

See Copyright Notice in mruby.h

Macro Definition Documentation

SET_INT_VALUE

#define SET_INT_VALUE	(		r,
			n
	)

Value:

do {                                             \
  (r).w = 0;                                                                \
  (r).value.i_flag = MRB_FIXNUM_FLAG;                                       \
  (r).value.i = (n);                                                        \
} while (0)

SET_OBJ_VALUE

#define SET_OBJ_VALUE	(		r,
			v
	)

Value:

do {                                             \
  (r).w = 0;                                                                \
  (r).value.p = (v);                                                        \
} while (0)

SET_SYM_VALUE

#define SET_SYM_VALUE	(		r,
			v
	)

Value:

do {                                            \
  (r).w = 0;                                                                \
  (r).value.sym_flag = MRB_SYMBOL_FLAG;                                     \
  (r).value.sym = (v);                                                      \
} while (0)