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remove redundant, unnecessary instance size from struct vtables

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* libguile/struct.h (scm_struct_i_size): Remove this shared field -- I
  mean, the slot is still there, but it's only used for flags.

* libguile/goops.h (SCM_SET_CLASS_INSTANCE_SIZE):
* libguile/goops.c (scm_sys_inherit_magic_x, scm_make_class): Remove
  uses and definition of SCM_SET_CLASS_INSTANCE_SIZE. Light structs used
  it, but you have that info in the layout; and foreign classes used it,
  but that is going away soon anyway :)
This commit is contained in:
Andy Wingo 2009-11-01 21:09:42 +01:00
parent efcebb5b56
commit 26fe6af140
3 changed files with 1 additions and 10 deletions
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libguile/struct.h
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@ -38,7 +38,6 @@
#define scm_struct_i_free -4 /* Destructor */
#define scm_struct_i_ptr -3 /* Start of block (see alloc_struct) */
#define scm_struct_i_n_words -2 /* How many words allocated to this struct? */
#define scm_struct_i_size -1 /* Instance size */
#define scm_struct_i_flags -1 /* Upper 12 bits used as flags */
/* These indices must correspond to required_vtable_fields in