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-rw-r--r--libguile/vectors.c35
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 ()