X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=src%2Flisp-union.h;h=a04c68987adff51a0f027ec3e61d6971a53e9da2;hb=debb7eb5baa3e6aae77e4fc0b7704887baf3006e;hp=94461e61030cb02544145d155f0a9d0670922150;hpb=77dcef404dc78635f6ffa8f71a803d2bc7cc8921;p=chise%2Fxemacs-chise.git diff --git a/src/lisp-union.h b/src/lisp-union.h index 94461e6..a04c689 100644 --- a/src/lisp-union.h +++ b/src/lisp-union.h @@ -23,20 +23,17 @@ Boston, MA 02111-1307, USA. */ /* Definition of Lisp_Object type as a union. The declaration order of the objects within the struct members - of the union is dependent on ENDIAN-ness and USE_MINIMAL_TAGBITS. + of the union is dependent on ENDIAN-ness. See lisp-disunion.h for more details. */ typedef union Lisp_Object { /* if non-valbits are at lower addresses */ -#if defined(WORDS_BIGENDIAN) == defined(USE_MINIMAL_TAGBITS) +#if defined(WORDS_BIGENDIAN) struct { EMACS_UINT val : VALBITS; -#if GCMARKBITS > 0 - unsigned int markbit: GCMARKBITS; -#endif enum_field (Lisp_Type) type : GCTYPEBITS; } gu; @@ -55,9 +52,6 @@ union Lisp_Object struct { enum_field (Lisp_Type) type : GCTYPEBITS; -#if GCMARKBITS > 0 - unsigned int markbit: GCMARKBITS; -#endif EMACS_UINT val : VALBITS; } gu; @@ -88,8 +82,6 @@ Lisp_Object; #define XCHARVAL(x) ((x).gu.val) -#ifdef USE_MINIMAL_TAGBITS - # define XSETINT(var, value) do { \ EMACS_INT xset_value = (value); \ Lisp_Object *xset_var = &(var); \ @@ -108,21 +100,6 @@ Lisp_Object; } while (0) # define XPNTRVAL(x) ((x).ui) -#else /* ! USE_MINIMAL_TAGBITS */ - -# define XSETOBJ(var, vartype, value) do { \ - EMACS_UINT xset_value = (EMACS_UINT) (value); \ - Lisp_Object *xset_var = &(var); \ - xset_var->gu.type = (vartype); \ - xset_var->gu.markbit = 0; \ - xset_var->gu.val = xset_value; \ -} while (0) -# define XSETINT(var, value) XSETOBJ (var, Lisp_Type_Int, value) -# define XSETCHAR(var, value) XSETOBJ (var, Lisp_Type_Char, value) -# define XPNTRVAL(x) ((x).gu.val) - -#endif /* ! USE_MINIMAL_TAGBITS */ - INLINE Lisp_Object make_int (EMACS_INT val); INLINE Lisp_Object make_int (EMACS_INT val) @@ -149,25 +126,8 @@ extern Lisp_Object Qnull_pointer, Qzero; #define XGCTYPE(x) XTYPE (x) #define EQ(x,y) ((x).v == (y).v) -#ifdef USE_MINIMAL_TAGBITS #define INTP(x) ((x).s.bits) #define GC_EQ(x,y) EQ (x, y) -#else -#define INTP(x) (XTYPE(x) == Lisp_Type_Int) -#define GC_EQ(x,y) ((x).gu.val == (y).gu.val && XTYPE (x) == XTYPE (y)) -#endif - -#if GCMARKBITS > 0 -/* XMARKBIT accesses the markbit. Markbits are used only in - particular slots of particular structure types. Other markbits are - always zero. Outside of garbage collection, all mark bits are - always zero. */ -# define XMARKBIT(x) ((x).gu.markbit) -# define XMARK(x) ((void) (XMARKBIT (x) = 1)) -# define XUNMARK(x) ((void) (XMARKBIT (x) = 0)) -#else -# define XUNMARK(x) DO_NOTHING -#endif /* Convert between a (void *) and a Lisp_Object, as when the Lisp_Object is passed to a toolkit callback function */