X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=src%2Fopaque.h;h=d308eb09d3cf0d0ac98644526ebf39c8f5620ed6;hb=2f66a7a3c164a478e7203fc61e3c765de99f1d47;hp=5a711e7d87c5d5cfb6d4eae86b533266ccc071e4;hpb=6883ee56ec887c2c48abe5b06b5e66aa74031910;p=chise%2Fxemacs-chise.git.1 diff --git a/src/opaque.h b/src/opaque.h index 5a711e7..d308eb0 100644 --- a/src/opaque.h +++ b/src/opaque.h @@ -23,72 +23,50 @@ Boston, MA 02111-1307, USA. */ /* Written by Ben Wing, October 1993. */ -#ifndef _XEMACS_OPAQUE_H_ -#define _XEMACS_OPAQUE_H_ +#ifndef INCLUDED_opaque_h_ +#define INCLUDED_opaque_h_ -struct Lisp_Opaque +typedef struct Lisp_Opaque { struct lcrecord_header header; - Lisp_Object (*markfun) (Lisp_Object obj, void (*markobj) (Lisp_Object)); - /* An integral size for non-freed objects, an opaque or nil for - freed objects. */ - Lisp_Object size_or_chain; - /* It's actually more space-efficient to declare this as an int - rather than a char, because the structure will get rounded up - in size by the compiler anyway. */ - int data[1]; -}; - -struct Lisp_Opaque_List -{ - struct lcrecord_header header; - Lisp_Object (*markfun) (Lisp_Object obj, void (*markobj) (Lisp_Object)); - Lisp_Object free; - int size; -}; + size_t size; + max_align_t data[1]; +} Lisp_Opaque; -DECLARE_LRECORD (opaque, struct Lisp_Opaque); -#define XOPAQUE(x) XRECORD (x, opaque, struct Lisp_Opaque) +DECLARE_LRECORD (opaque, Lisp_Opaque); +#define XOPAQUE(x) XRECORD (x, opaque, Lisp_Opaque) #define XSETOPAQUE(x, p) XSETRECORD (x, p, opaque) #define OPAQUEP(x) RECORDP (x, opaque) -#define GC_OPAQUEP(x) GC_RECORDP (x, opaque) /* #define CHECK_OPAQUE(x) CHECK_RECORD (x, opaque) Opaque pointers should never escape to the Lisp level, so functions should not be doing this. */ -DECLARE_LRECORD (opaque_list, struct Lisp_Opaque_List); -#define XOPAQUE_LIST(x) XRECORD (x, opaque_list, struct Lisp_Opaque_List) -#define XSETOPAQUE_LIST(x, p) XSETRECORD (x, p, opaque_list) -#define OPAQUE_LISTP(x) RECORDP (x, opaque_list) -#define GC_OPAQUE_LISTP(x) GC_RECORDP (x, opaque_list) -/* #define CHECK_OPAQUE_LIST(x) CHECK_RECORD (x, opaque_list) - Opaque lists should never escape to the Lisp level, so - functions should not be doing this. */ +/* Alternative DATA arguments to make_opaque() */ +#define OPAQUE_CLEAR ((const void *) 0) +#define OPAQUE_UNINIT ((const void *) -1) -Lisp_Object make_opaque (int size, CONST void *data); -Lisp_Object make_opaque_ptr (CONST void *val); -Lisp_Object make_opaque_long (long val); -void free_opaque_ptr (Lisp_Object ptr); - -#define OPAQUE_SIZE(op) XINT ((op)->size_or_chain) -#define OPAQUE_DATA(op) ((op)->data) -#define OPAQUE_MARKFUN(op) ((op)->markfun) /* What's the point if this? */ +#define OPAQUE_SIZE(op) ((op)->size) +#define OPAQUE_DATA(op) ((void *) ((op)->data)) #define XOPAQUE_SIZE(op) OPAQUE_SIZE (XOPAQUE (op)) #define XOPAQUE_DATA(op) OPAQUE_DATA (XOPAQUE (op)) -#define XOPAQUE_MARKFUN(op) OPAQUE_MARKFUN (XOPAQUE (op)) - -#define get_opaque_ptr(op) (* (void **) XOPAQUE_DATA (op)) -#define set_opaque_ptr(op, ptr) (get_opaque_ptr (op) = (void *) ptr) -#define get_opaque_long(op) (* (long *) XOPAQUE_DATA (op)) -#define set_opaque_long(op, ptr) (get_opaque_long (op) = ptr) -#define set_opaque_markfun(op, fun) (XOPAQUE_MARKFUN (op) = fun) - -Lisp_Object make_opaque_list (int size, - Lisp_Object (*markfun) - (Lisp_Object obj, - void (*markobj) (Lisp_Object))); -Lisp_Object allocate_managed_opaque (Lisp_Object opaque_list, - CONST void *data); -void free_managed_opaque (Lisp_Object opaque_list, Lisp_Object opaque); - -#endif /* _XEMACS_OPAQUE_H_ */ + +Lisp_Object make_opaque (const void *data, size_t size); + +typedef struct Lisp_Opaque_Ptr +{ + struct lcrecord_header header; + void *ptr; +} Lisp_Opaque_Ptr; + +DECLARE_LRECORD (opaque_ptr, Lisp_Opaque_Ptr); +#define XOPAQUE_PTR(x) XRECORD (x, opaque_ptr, Lisp_Opaque_Ptr) +#define XSETOPAQUE_PTR(x, p) XSETRECORD (x, p, opaque_ptr) +#define OPAQUE_PTRP(x) RECORDP (x, opaque_ptr) + +Lisp_Object make_opaque_ptr (void *val); +void free_opaque_ptr (Lisp_Object ptr); + +#define get_opaque_ptr(op) (XOPAQUE_PTR (op)->ptr) +#define set_opaque_ptr(op, ptr_) (XOPAQUE_PTR (op)->ptr = (ptr_)) + +#endif /* INCLUDED_opaque_h_ */