diff options
Diffstat (limited to 'libguile/vectors.c')
-rw-r--r-- | libguile/vectors.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libguile/vectors.c b/libguile/vectors.c index 93f110a21..2d77f158b 100644 --- a/libguile/vectors.c +++ b/libguile/vectors.c @@ -656,6 +656,41 @@ SCM_DEFINE (scm_generalized_vector_to_list, "generalized-vector->list", 1, 0, 0, } #undef FUNC_NAME +static SCM +vector_handle_ref (scm_t_array_handle *h, size_t idx) +{ + if (idx > h->dims[0].ubnd) + scm_out_of_range ("vector-handle-ref", scm_from_size_t (idx)); + return ((SCM*)h->elements)[idx]; +} + +static void +vector_handle_set (scm_t_array_handle *h, size_t idx, SCM val) +{ + if (idx > h->dims[0].ubnd) + scm_out_of_range ("vector-handle-set!", scm_from_size_t (idx)); + ((SCM*)h->writable_elements)[idx] = val; +} + +static void +vector_get_handle (SCM v, scm_t_array_handle *h) +{ + h->array = v; + h->ndims = 1; + h->dims = &h->dim0; + h->dim0.lbnd = 0; + h->dim0.ubnd = SCM_I_VECTOR_LENGTH (v) - 1; + h->dim0.inc = 1; + h->element_type = SCM_ARRAY_ELEMENT_TYPE_SCM; + h->elements = h->writable_elements = SCM_I_VECTOR_WELTS (v); +} + +SCM_ARRAY_IMPLEMENTATION (scm_tc7_vector, 0x7f & ~2, + vector_handle_ref, vector_handle_set, + vector_get_handle); +SCM_ARRAY_IMPLEMENTATION (scm_tc7_wvect, 0x7f & ~2, + vector_handle_ref, vector_handle_set, + vector_get_handle); void scm_init_vectors () |