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The struct vtable data is now an array of scm_bits_t variables.

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Dirk Herrmann 2000-04-11 22:36:55 +00:00
parent bc66755eef
commit 1c3e63f06d
4 changed files with 21 additions and 7 deletions
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11
libguile/struct.h
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@ -79,10 +79,13 @@ typedef scm_sizet (*scm_struct_free_t) (SCM *vtable, SCM *data);
#define SCM_STRUCTP(X) (SCM_NIMP(X) && (SCM_TYP3(X) == scm_tc3_cons_gloc))
#define SCM_STRUCT_DATA(X) ((SCM *) SCM_UNPACK (SCM_CDR (X)))
#define SCM_STRUCT_VTABLE_DATA(X) ((SCM *) (SCM_UNPACK (SCM_CAR (X)) - 1))
#define SCM_STRUCT_LAYOUT(X) (SCM_STRUCT_VTABLE_DATA(X)[scm_vtable_index_layout])
#define SCM_STRUCT_VTABLE(X) (SCM_STRUCT_VTABLE_DATA(X)[scm_vtable_index_vtable])
#define SCM_STRUCT_PRINTER(X) (SCM_STRUCT_VTABLE_DATA(X)[scm_vtable_index_printer])
#define SCM_STRUCT_VTABLE_DATA(X) ((scm_bits_t *) (SCM_CELL_WORD_0 (X) - 1))
#define SCM_STRUCT_LAYOUT(X) (SCM_PACK (SCM_STRUCT_VTABLE_DATA (X) [scm_vtable_index_layout]))
#define SCM_SET_STRUCT_LAYOUT(X, v) (SCM_STRUCT_VTABLE_DATA (X) [scm_vtable_index_layout] = SCM_UNPACK (v))
#define SCM_STRUCT_VTABLE(X) (SCM_PACK (SCM_STRUCT_VTABLE_DATA (X) [scm_vtable_index_vtable]))
#define SCM_STRUCT_PRINTER(X) (SCM_PACK (SCM_STRUCT_VTABLE_DATA (X) [scm_vtable_index_printer]))
#define SCM_SET_VTABLE_DESTRUCTOR(X, D) (SCM_STRUCT_DATA(X)[scm_struct_i_free] = (SCM) D)
/* Efficiency is important in the following macro, since it's used in GC */
#define SCM_LAYOUT_TAILP(X) (((X) & 32) == 0) /* R, W or O */