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add SCM_SMOB_TYPE_BITS and SCM_SMOB_TYPE_MASK

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* libguile/smob.h (SCM_SMOB_TYPE_BITS, SCM_SMOB_TYPE_MASK): New macros,
  for when you want to identify a SMOB by type and mask.

* libguile/arrays.c:
* libguile/bitvectors.c:
* libguile/srfi-4.c: Use the new macros.
This commit is contained in:
Andy Wingo 2009-12-08 22:53:21 +01:00
parent 75a029aa25
commit 735bcfe579
4 changed files with 8 additions and 3 deletions
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3
libguile/arrays.c
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@ -1126,7 +1126,8 @@ array_get_handle (SCM array, scm_t_array_handle *h)
h->base = SCM_I_ARRAY_BASE (array);
}
SCM_ARRAY_IMPLEMENTATION (scm_i_tc16_array, 0xffff,
SCM_ARRAY_IMPLEMENTATION (SCM_SMOB_TYPE_BITS (scm_i_tc16_array),
SCM_SMOB_TYPE_MASK,
array_handle_ref, array_handle_set,
array_get_handle);

3
libguile/bitvectors.c
View file

@ -878,7 +878,8 @@ bitvector_get_handle (SCM bv, scm_t_array_handle *h)
h->elements = h->writable_elements = BITVECTOR_BITS (bv);
}
SCM_ARRAY_IMPLEMENTATION (scm_tc16_bitvector, 0xffff,
SCM_ARRAY_IMPLEMENTATION (SCM_SMOB_TYPE_BITS (scm_tc16_bitvector),
SCM_SMOB_TYPE_MASK,
bitvector_handle_ref, bitvector_handle_set,
bitvector_get_handle);
SCM_VECTOR_IMPLEMENTATION (SCM_ARRAY_ELEMENT_TYPE_BIT, scm_make_bitvector);

2
libguile/smob.h
View file

@ -161,6 +161,8 @@ while (0)
#define SCM_SMOB_OBJECT_LOC(x) (SCM_SMOB_OBJECT_1_LOC (x)))
#define SCM_SMOB_TYPE_MASK 0xffff
#define SCM_SMOB_TYPE_BITS(tc) (tc)
#define SCM_TC2SMOBNUM(x) (0x0ff & ((x) >> 8))
#define SCM_SMOBNUM(x) (SCM_TC2SMOBNUM (SCM_CELL_TYPE (x)))
/* SCM_SMOBNAME can be 0 if name is missing */

3
libguile/srfi-4.c
View file

@ -883,7 +883,8 @@ uvec_get_handle (SCM v, scm_t_array_handle *h)
h->elements = h->writable_elements = SCM_UVEC_BASE (v);
}
SCM_ARRAY_IMPLEMENTATION (scm_tc16_uvec, 0xffff,
SCM_ARRAY_IMPLEMENTATION (SCM_SMOB_TYPE_BITS (scm_tc16_uvec),
SCM_SMOB_TYPE_MASK,
uvec_handle_ref, uvec_handle_set,
uvec_get_handle);