conversions.h File Reference

#include <fiddle.h>

Go to the source code of this file.

Data Structures
union	fiddle_generic

Macros
#define	VALUE2GENERIC(_type, _src, _dst)   value_to_generic((_type), (_src), (_dst))
#define	INT2FFI_TYPE(_type)   int_to_ffi_type(_type)
#define	GENERIC2VALUE(_type, _retval)   generic_to_value((_type), (_retval))
#define	PTR2NUM(x)   (LONG2NUM((long)(x)))
#define	NUM2PTR(x)   ((void*)(NUM2ULONG(x)))

Functions
ffi_type *	int_to_ffi_type (int type)
void	value_to_generic (int type, VALUE src, fiddle_generic *dst)
VALUE	generic_to_value (VALUE rettype, fiddle_generic retval)

Macro Definition Documentation

GENERIC2VALUE

#define GENERIC2VALUE	(		_type,
			_retval
	)		generic_to_value((_type), (_retval))

Definition at line 33 of file conversions.h.

INT2FFI_TYPE

#define INT2FFI_TYPE

(

_type

)

int_to_ffi_type(_type)

Definition at line 32 of file conversions.h.

NUM2PTR

#define NUM2PTR

(

x

)

((void*)(NUM2ULONG(x)))

Definition at line 37 of file conversions.h.

Referenced by rb_fiddle_free(), rb_fiddle_ptr2value(), and value_to_generic().

PTR2NUM

#define PTR2NUM

(

x

)

(LONG2NUM((long)(x)))

Definition at line 36 of file conversions.h.

Referenced by generic_to_value(), and Init_fiddle().

VALUE2GENERIC

#define VALUE2GENERIC	(		_type,
			_src,
			_dst
	)		value_to_generic((_type), (_src), (_dst))

Definition at line 31 of file conversions.h.

Function Documentation

generic_to_value()

VALUE generic_to_value	(	VALUE	rettype,
		fiddle_generic	retval
	)

Definition at line 95 of file conversions.c.

References fiddle_generic::ddouble, fiddle_generic::fffi_arg, fiddle_generic::fffi_sarg, fiddle_generic::ffloat, INT2NUM, LONG2NUM, mFiddle, NUM2INT, fiddle_generic::pointer, PTR2NUM, Qnil, rb_const_get(), rb_eRuntimeError, rb_float_new, rb_funcall(), rb_intern, rb_raise(), fiddle_generic::slong, TYPE_CHAR, TYPE_DOUBLE, TYPE_FLOAT, TYPE_INT, TYPE_LONG, TYPE_SHORT, TYPE_VOID, TYPE_VOIDP, UINT2NUM, fiddle_generic::ulong, ULONG2NUM, and UNREACHABLE.

int_to_ffi_type()

ffi_type* int_to_ffi_type

(

int

type

)

Definition at line 4 of file conversions.c.

References rb_eRuntimeError, rb_ffi_type_of, rb_raise(), TYPE_CHAR, TYPE_DOUBLE, TYPE_FLOAT, TYPE_INT, TYPE_LONG, TYPE_SHORT, TYPE_VOID, and TYPE_VOIDP.

value_to_generic()

void value_to_generic	(	int	type,
		VALUE	src,
		fiddle_generic *	dst
	)

Definition at line 43 of file conversions.c.

References fiddle_generic::ddouble, fiddle_generic::ffloat, NUM2DBL, NUM2INT, NUM2LONG, NUM2PTR, NUM2UINT, NUM2ULONG, fiddle_generic::pointer, rb_eRuntimeError, rb_Integer(), rb_raise(), fiddle_generic::schar, fiddle_generic::sint, fiddle_generic::slong, fiddle_generic::sshort, TYPE_CHAR, TYPE_DOUBLE, TYPE_FLOAT, TYPE_INT, TYPE_LONG, TYPE_SHORT, TYPE_VOID, TYPE_VOIDP, fiddle_generic::uchar, fiddle_generic::uint, and fiddle_generic::ulong.