altos/scheme: Add ports. Split scheme code up.
[fw/altos] / src / scheme / ao_scheme_vector.c
index 083823f3097a1a6318ce267c9bf7dc82b8aa0e08..a716ca0c307e30543c70b65e1f151b4085f407c2 100644 (file)
@@ -72,66 +72,57 @@ ao_scheme_vector_alloc(uint16_t length, ao_poly fill)
        return vector;
 }
 
+struct vl {
+       struct ao_scheme_vector *vector;
+       struct vl *prev;
+};
+
+static struct vl *vl;
+static unsigned int vd;
+
 void
-ao_scheme_vector_write(ao_poly v, bool write)
+ao_scheme_vector_write(FILE *out, ao_poly v, bool write)
 {
        struct ao_scheme_vector *vector = ao_scheme_poly_vector(v);
-       unsigned int i;
+       unsigned int i, j;
        int was_marked = 0;
+       struct vl *ve;
+
+       ++vd;
+       for (ve = vl; ve; ve = ve->prev)
+               if (ve->vector == vector)
+                       abort();
+
+       ve = malloc(sizeof (struct vl));
+       ve->prev = vl;
+       ve->vector = vector;
+       vl = ve;
 
        ao_scheme_print_start();
        was_marked = ao_scheme_print_mark_addr(vector);
        if (was_marked) {
-               printf ("...");
+               fputs("...", out);
        } else {
-               printf("#(");
+               fputs("#(\n", out);
                for (i = 0; i < vector->length; i++) {
-                       if (i != 0)
-                               printf(" ");
-                       ao_scheme_poly_write(vector->vals[i], write);
+                       printf("%3d: ", i);
+                       for (j = 0; j < vd; j++)
+                               printf(".");
+                       ao_scheme_poly_write(out, vector->vals[i], write);
+                       printf("\n");
                }
+               printf("     ");
+               for (j = 0; j < vd; j++)
+                       printf(".");
                printf(")");
        }
        if (ao_scheme_print_stop() && !was_marked)
                ao_scheme_print_clear_addr(vector);
-}
-
-static int32_t
-ao_scheme_vector_offset(struct ao_scheme_vector *vector, ao_poly i)
-{
-       bool    fail;
-       int32_t offset = ao_scheme_poly_integer(i, &fail);
-
-       if (fail)
-               ao_scheme_error(AO_SCHEME_INVALID, "vector index %v not integer", i);
-       if (offset < 0 || vector->length <= offset) {
-               ao_scheme_error(AO_SCHEME_INVALID, "vector index %v out of range (max %d)",
-                               i, vector->length);
-               offset = -1;
-       }
-       return offset;
-}
-
-ao_poly
-ao_scheme_vector_get(ao_poly v, ao_poly i)
-{
-       struct ao_scheme_vector *vector = ao_scheme_poly_vector(v);
-       int32_t                 offset = ao_scheme_vector_offset(vector, i);
-
-       if (offset < 0)
-               return AO_SCHEME_NIL;
-       return vector->vals[offset];
-}
-
-ao_poly
-ao_scheme_vector_set(ao_poly v, ao_poly i, ao_poly p)
-{
-       struct ao_scheme_vector *vector = ao_scheme_poly_vector(v);
-       int32_t                 offset = ao_scheme_vector_offset(vector, i);
-
-       if (offset < 0)
-               return AO_SCHEME_NIL;
-       return vector->vals[offset] = p;
+       if (vl != ve)
+               abort();
+       vl = ve->prev;
+       free(ve);
+       --vd;
 }
 
 struct ao_scheme_vector *
@@ -181,4 +172,118 @@ ao_scheme_vector_to_list(struct ao_scheme_vector *vector, int start, int end)
        return cons;
 }
 
+ao_poly
+ao_scheme_do_vector(struct ao_scheme_cons *cons)
+{
+       return ao_scheme_vector_poly(ao_scheme_list_to_vector(cons));
+}
+
+ao_poly
+ao_scheme_do_make_vector(struct ao_scheme_cons *cons)
+{
+       int32_t len;
+       ao_poly val;
+
+       if (!ao_scheme_parse_args(_ao_scheme_atom_make2dvector, cons,
+                                 AO_SCHEME_INT, &len,
+                                 AO_SCHEME_POLY|AO_SCHEME_ARG_OPTIONAL, _ao_scheme_bool_false, &val,
+                                 AO_SCHEME_ARG_END))
+               return AO_SCHEME_NIL;
+       return ao_scheme_vector_poly(ao_scheme_vector_alloc(len, val));
+}
+
+static bool
+ao_scheme_check_vector(ao_poly proc, struct ao_scheme_vector *vector, int32_t offset)
+{
+       if (offset < 0 || vector->length <= offset) {
+               (void) ao_scheme_error(AO_SCHEME_INVALID, "%v: vector index %d out of range (max %d)",
+                                      proc,
+                                      offset, vector->length);
+               return false;
+       }
+       return true;
+}
+
+ao_poly
+ao_scheme_do_vector_ref(struct ao_scheme_cons *cons)
+{
+       struct ao_scheme_vector *vector;
+       int32_t                 offset;
+
+       if (!ao_scheme_parse_args(_ao_scheme_atom_vector2dref, cons,
+                                 AO_SCHEME_VECTOR, &vector,
+                                 AO_SCHEME_INT, &offset,
+                                 AO_SCHEME_ARG_END))
+               return AO_SCHEME_NIL;
+       if (!ao_scheme_check_vector(_ao_scheme_atom_vector2dref, vector, offset))
+               return AO_SCHEME_NIL;
+       return vector->vals[offset];
+}
+
+ao_poly
+ao_scheme_do_vector_set(struct ao_scheme_cons *cons)
+{
+       struct ao_scheme_vector *vector;
+       int32_t                 offset;
+       ao_poly                 val;
+
+       if (!ao_scheme_parse_args(_ao_scheme_atom_vector2dset21, cons,
+                                 AO_SCHEME_VECTOR, &vector,
+                                 AO_SCHEME_INT, &offset,
+                                 AO_SCHEME_POLY, &val,
+                                 AO_SCHEME_ARG_END))
+               return AO_SCHEME_NIL;
+       if (!ao_scheme_check_vector(_ao_scheme_atom_vector2dset21, vector, offset))
+               return AO_SCHEME_NIL;
+       vector->vals[offset] = val;
+       return val;
+}
+
+ao_poly
+ao_scheme_do_list_to_vector(struct ao_scheme_cons *cons)
+{
+       struct ao_scheme_cons   *pair;
+
+       if (!ao_scheme_parse_args(_ao_scheme_atom_list2d3evector, cons,
+                                 AO_SCHEME_CONS|AO_SCHEME_ARG_NIL_OK, &pair,
+                                 AO_SCHEME_ARG_END))
+               return AO_SCHEME_NIL;
+       return ao_scheme_vector_poly(ao_scheme_list_to_vector(pair));
+}
+
+ao_poly
+ao_scheme_do_vector_to_list(struct ao_scheme_cons *cons)
+{
+       struct ao_scheme_vector *vector;
+       int32_t                 start, end;
+
+       if (!ao_scheme_parse_args(_ao_scheme_atom_vector2d3elist, cons,
+                                 AO_SCHEME_VECTOR, &vector,
+                                 AO_SCHEME_INT|AO_SCHEME_ARG_OPTIONAL, ao_scheme_int_poly(0), &start,
+                                 AO_SCHEME_INT|AO_SCHEME_ARG_OPTIONAL, ao_scheme_int_poly(-1), &end,
+                                 AO_SCHEME_ARG_END))
+               return AO_SCHEME_NIL;
+       if (end == -1)
+               end = vector->length;
+       return ao_scheme_cons_poly(ao_scheme_vector_to_list(vector, start, end));
+}
+
+ao_poly
+ao_scheme_do_vector_length(struct ao_scheme_cons *cons)
+{
+       struct ao_scheme_vector *vector;
+
+       if (!ao_scheme_parse_args(_ao_scheme_atom_vector2d3elist, cons,
+                                 AO_SCHEME_VECTOR, &vector,
+                                 AO_SCHEME_ARG_END))
+               return AO_SCHEME_NIL;
+       return ao_scheme_integer_poly(vector->length);
+}
+
+ao_poly
+ao_scheme_do_vectorp(struct ao_scheme_cons *cons)
+{
+       return ao_scheme_do_typep(_ao_scheme_atom_vector3f, AO_SCHEME_VECTOR, cons);
+}
+
 #endif /* AO_SCHEME_FEATURE_VECTOR */