+visibility
+(get_entity_visibility)(const entity *ent) {
+ return _get_entity_visibility(ent);
+}
+
+void
+set_entity_visibility (entity *ent, visibility vis) {
+ assert(ent && ent->kind == k_entity);
+ if (vis != visibility_local)
+ assert((ent->allocation == allocation_static) ||
+ (ent->allocation == allocation_automatic));
+ /* @@@ Test that the owner type is not local, but how??
+ && get_class_visibility(get_entity_owner(ent)) != local));*/
+ ent->visibility = vis;
+}
+
+/* return the name of the visibility */
+const char *get_visibility_name(visibility vis)
+{
+#define X(a) case a: return #a
+ switch (vis) {
+ X(visibility_local);
+ X(visibility_external_visible);
+ X(visibility_external_allocated);
+ default: return "BAD VALUE";
+ }
+#undef X
+}
+
+ent_variability
+(get_entity_variability)(const entity *ent) {
+ return _get_entity_variability(ent);
+}
+
+void
+set_entity_variability (entity *ent, ent_variability var)
+{
+ assert(ent && ent->kind == k_entity);
+ if (var == variability_part_constant)
+ assert(is_Class_type(ent->type) || is_Struct_type(ent->type));
+
+ if ((is_compound_type(ent->type)) &&
+ (ent->variability == variability_uninitialized) && (var != variability_uninitialized)) {
+ /* Allocate datastructures for constant values */
+ ent->values = NEW_ARR_F(ir_node *, 0);
+ ent->val_paths = NEW_ARR_F(compound_graph_path *, 0);
+ }
+ if ((is_atomic_type(ent->type)) &&
+ (ent->variability == variability_uninitialized) && (var != variability_uninitialized)) {
+ /* Set default constant value. */
+ ent->value = new_rd_Unknown(get_const_code_irg(), get_type_mode(ent->type));
+ }
+
+ if ((is_compound_type(ent->type)) &&
+ (var == variability_uninitialized) && (ent->variability != variability_uninitialized)) {
+ /* Free datastructures for constant values */
+ DEL_ARR_F(ent->values); ent->values = NULL;
+ DEL_ARR_F(ent->val_paths); ent->val_paths = NULL;
+ }
+ ent->variability = var;
+}
+
+/* return the name of the variablity */
+const char *get_variability_name(ent_variability var)
+{
+#define X(a) case a: return #a
+ switch (var) {
+ X(variability_uninitialized);
+ X(variability_initialized);
+ X(variability_part_constant);
+ X(variability_constant);
+ default: return "BAD VALUE";
+ }
+#undef X
+}
+
+ent_volatility
+(get_entity_volatility)(const entity *ent) {
+ return _get_entity_volatility(ent);
+}
+
+void
+(set_entity_volatility)(entity *ent, ent_volatility vol) {
+ _set_entity_volatility(ent, vol);
+}
+
+/* return the name of the volatility */
+const char *get_volatility_name(ent_volatility var)
+{
+#define X(a) case a: return #a
+ switch (var) {
+ X(volatility_non_volatile);
+ X(volatility_is_volatile);
+ default: return "BAD VALUE";
+ }
+#undef X
+}
+
+peculiarity
+(get_entity_peculiarity)(const entity *ent) {
+ return _get_entity_peculiarity(ent);
+}
+
+void
+(set_entity_peculiarity)(entity *ent, peculiarity pec) {
+ _set_entity_peculiarity(ent, pec);
+}
+
+/* return the name of the peculiarity */
+const char *get_peculiarity_name(peculiarity var)
+{
+#define X(a) case a: return #a
+ switch (var) {
+ X(peculiarity_description);
+ X(peculiarity_inherited);
+ X(peculiarity_existent);
+ default: return "BAD VALUE";
+ }
+#undef X
+}
+
+/* Get the entity's stickyness */
+ent_stickyness
+(get_entity_stickyness)(const entity *ent) {
+ return _get_entity_stickyness(ent);
+}
+
+/* Set the entity's stickyness */
+void
+(set_entity_stickyness)(entity *ent, ent_stickyness stickyness) {
+ _set_entity_stickyness(ent, stickyness);
+}
+
+/* Set has no effect for existent entities of type method. */
+ir_node *
+get_atomic_ent_value(entity *ent)
+{
+ assert(ent && is_atomic_entity(ent));
+ assert(ent->variability != variability_uninitialized);
+ return skip_Id (ent->value);
+}
+
+void
+set_atomic_ent_value(entity *ent, ir_node *val) {
+ assert(is_atomic_entity(ent) && (ent->variability != variability_uninitialized));
+ if (is_Method_type(ent->type) && (ent->peculiarity == peculiarity_existent))
+ return;
+ ent->value = val;
+}
+
+/* Returns true if the the node is representable as code on
+ * const_code_irg. */
+int is_irn_const_expression(ir_node *n) {
+ ir_mode *m;
+
+ /* we are in danger iff an exception will arise. TODO: be more precisely,
+ * for instance Div. will NOT rise if divisor != 0
+ */
+ if (is_binop(n) && !is_fragile_op(n))
+ return is_irn_const_expression(get_binop_left(n)) && is_irn_const_expression(get_binop_right(n));
+
+ m = get_irn_mode(n);
+ switch(get_irn_opcode(n)) {
+ case iro_Const:
+ case iro_SymConst:
+ case iro_Unknown:
+ return true; break;
+ case iro_Conv:
+ case iro_Cast:
+ return is_irn_const_expression(get_irn_n(n, 0));
+ default:
+ return false;
+ break;
+ }
+ return false;
+}
+
+
+ir_node *copy_const_value(ir_node *n) {
+ ir_node *nn;
+ ir_mode *m;
+
+ /* @@@ GL I think we should implement this using the routines from irgopt for
+ dead node elimination/inlineing. */
+
+ m = get_irn_mode(n);
+ switch(get_irn_opcode(n)) {
+ case iro_Const:
+ nn = new_Const(m, get_Const_tarval(n)); set_Const_type(nn, get_Const_type(n));
+ //nn = new_rd_Const_type(get_irn_dbg_info(n), current_ir_graph, get_cur_block(),
+ // m, get_Const_tarval(n), get_Const_type(n));
+ break;
+ case iro_SymConst:
+ nn = new_d_SymConst_type(NULL, get_SymConst_symbol(n), get_SymConst_kind(n),
+ get_SymConst_value_type(n));
+ break;
+ case iro_Add:
+ nn = new_Add(copy_const_value(get_Add_left(n)),
+ copy_const_value(get_Add_right(n)), m); break;
+ case iro_Sub:
+ nn = new_Sub(copy_const_value(get_Sub_left(n)),
+ copy_const_value(get_Sub_right(n)), m); break;
+ case iro_Mul:
+ nn = new_Mul(copy_const_value(get_Mul_left(n)),
+ copy_const_value(get_Mul_right(n)), m); break;
+ case iro_And:
+ nn = new_And(copy_const_value(get_And_left(n)),
+ copy_const_value(get_And_right(n)), m); break;
+ case iro_Or:
+ nn = new_Or(copy_const_value(get_Or_left(n)),
+ copy_const_value(get_Or_right(n)), m); break;
+ case iro_Eor:
+ nn = new_Eor(copy_const_value(get_Eor_left(n)),
+ copy_const_value(get_Eor_right(n)), m); break;
+ case iro_Cast:
+ nn = new_Cast(copy_const_value(get_Cast_op(n)), get_Cast_type(n)); break;
+ case iro_Conv:
+ nn = new_Conv(copy_const_value(get_Conv_op(n)), m); break;
+ case iro_Unknown:
+ nn = new_Unknown(m); break;
+ default:
+ DDMN(n);
+ assert(0 && "opcode invalid or not implemented");
+ nn = NULL;
+ break;
+ }
+ return nn;
+}
+
+compound_graph_path *
+new_compound_graph_path(type *tp, int length) {
+ compound_graph_path *res;
+
+ assert(is_type(tp) && is_compound_type(tp));
+ assert(length > 0);
+
+ res = xmalloc(sizeof(*res) + (length-1) * sizeof(res->nodes[0]));
+ memset(res, 0, sizeof(*res) + (length-1) * sizeof(res->nodes[0]));
+ res->kind = k_ir_compound_graph_path;
+ res->tp = tp;
+ res->len = length;
+ res->arr_indicees = xcalloc(length, sizeof(res ->arr_indicees[0]));
+
+ return res;
+}
+
+void
+free_compound_graph_path (compound_graph_path *gr) {
+ assert(gr && is_compound_graph_path(gr));
+ gr->kind = k_BAD;
+ free(gr ->arr_indicees);
+ free(gr);
+}
+
+int
+is_compound_graph_path(void *thing) {
+ return (get_kind(thing) == k_ir_compound_graph_path);
+}
+
+/* checks whether nodes 0..pos are correct (all lie on a path.) */
+/* @@@ not implemented */
+int is_proper_compound_graph_path(compound_graph_path *gr, int pos) {
+ int i;
+ entity *node;
+ type *owner = gr->tp;
+ for (i = 0; i <= pos; i++) {
+ node = get_compound_graph_path_node(gr, i);
+ if (node == NULL)
+ /* Path not yet complete. */
+ return true;
+ if (get_entity_owner(node) != owner) return false;
+ owner = get_entity_type(node);
+ }
+ if (pos == get_compound_graph_path_length(gr))
+ if (!is_atomic_type(owner)) return false;
+ return true;
+}
+
+int
+get_compound_graph_path_length(compound_graph_path *gr) {
+ assert(gr && is_compound_graph_path(gr));
+ return gr->len;
+}
+
+entity *
+get_compound_graph_path_node(compound_graph_path *gr, int pos) {
+ assert(gr && is_compound_graph_path(gr));
+ assert(pos >= 0 && pos < gr->len);
+ return gr->nodes[pos];
+}
+
+void
+set_compound_graph_path_node(compound_graph_path *gr, int pos, entity *node) {
+ assert(gr && is_compound_graph_path(gr));
+ assert(pos >= 0 && pos < gr->len);
+ assert(is_entity(node));
+ gr->nodes[pos] = node;
+ assert(is_proper_compound_graph_path(gr, pos));
+}
+
+int
+get_compound_graph_path_array_index(compound_graph_path *gr, int pos) {
+ assert(gr && is_compound_graph_path(gr));
+ assert(pos >= 0 && pos < gr->len);
+ return gr->arr_indicees[pos];
+}
+
+void
+set_compound_graph_path_array_index(compound_graph_path *gr, int pos, int index) {
+ assert(gr && is_compound_graph_path(gr));
+ assert(pos >= 0 && pos < gr->len);
+ gr->arr_indicees[pos] = index;
+}
+
+/* A value of a compound entity is a pair of value and the corresponding path to a member of
+ the compound. */
+void
+add_compound_ent_value_w_path(entity *ent, ir_node *val, compound_graph_path *path) {
+ assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
+ ARR_APP1 (ir_node *, ent->values, val);
+ ARR_APP1 (compound_graph_path *, ent->val_paths, path);
+}
+
+void
+set_compound_ent_value_w_path(entity *ent, ir_node *val, compound_graph_path *path, int pos) {
+ assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
+ ent->values[pos] = val;
+ ent->val_paths[pos] = path;
+}
+
+int
+get_compound_ent_n_values(entity *ent) {
+ assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
+ return (ARR_LEN (ent->values));
+}
+
+ir_node *
+get_compound_ent_value(entity *ent, int pos) {
+ assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
+ return ent->values[pos];
+}
+
+compound_graph_path *
+get_compound_ent_value_path(entity *ent, int pos) {
+ assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
+ return ent->val_paths[pos];
+}
+
+/**
+ * Returns non-zero, if two compound_graph_pathes are equal
+ */
+static int equal_paths(compound_graph_path *path1, int *visited_indicees, compound_graph_path *path2) {
+ int i;
+ int len1 = get_compound_graph_path_length(path1);
+ int len2 = get_compound_graph_path_length(path2);
+
+ if (len2 > len1) return false;
+
+ for (i = 0; i < len1; i++) {
+ type *tp;
+ entity *node1 = get_compound_graph_path_node(path1, i);
+ entity *node2 = get_compound_graph_path_node(path2, i);
+
+ if (node1 != node2) return false;
+
+ tp = get_entity_owner(node1);
+ if (is_Array_type(tp)) {
+ long low;
+
+ /* Compute the index of this node. */
+ assert(get_array_n_dimensions(tp) == 1 && "multidim not implemented");
+
+ low = get_array_lower_bound_int(tp, 0);
+ if (low + visited_indicees[i] < get_compound_graph_path_array_index(path2, i)) {
+ visited_indicees[i]++;
+ return false;
+ }
+ else
+ assert(low + visited_indicees[i] == get_compound_graph_path_array_index(path2, i));
+ }
+ }
+ return true;
+}
+
+/* Returns the position of a value with the given path.
+ * The path must contain array indicees for all array element entities. */
+int get_compound_ent_pos_by_path(entity *ent, compound_graph_path *path) {
+ int i, n_paths = get_compound_ent_n_values(ent);
+ int *visited_indicees = (int *)xcalloc(get_compound_graph_path_length(path), sizeof(int));
+ for (i = 0; i < n_paths; i ++) {
+ if (equal_paths(get_compound_ent_value_path(ent, i), visited_indicees, path))
+ return i;
+ }
+
+#if 0
+ {
+ int j;
+ printf(">>>>>>>>>>>>>>>>>>>>>>>>>>>>\n");
+ printf("Entity %s : ", get_entity_name(ent));
+ for (j = 0; j < get_compound_graph_path_length(path); ++j) {
+ entity *node = get_compound_graph_path_node(path, j);
+ printf("%s", get_entity_name(node));
+ if (is_Array_type(get_entity_owner(node)))
+ printf("[%d]", get_compound_graph_path_array_index(path, j));
+ }
+ printf(">>>>>>>>>>>>>>>>>>>>>>>>>>>>\n");
+ }
+#endif
+
+ assert(0 && "path not found");
+ return -1;
+}
+
+/* Returns a constant value given the access path.
+ * The path must contain array indicees for all array element entities. */
+ir_node *get_compound_ent_value_by_path(entity *ent, compound_graph_path *path) {
+ return get_compound_ent_value(ent, get_compound_ent_pos_by_path(ent, path));
+}
+
+
+void
+remove_compound_ent_value(entity *ent, entity *value_ent) {
+ int i;
+ assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
+ for (i = 0; i < (ARR_LEN (ent->val_paths)); i++) {
+ compound_graph_path *path = ent->val_paths[i];
+ if (path->nodes[path->len-1] == value_ent) {
+ for(; i < (ARR_LEN (ent->val_paths))-1; i++) {
+ ent->val_paths[i] = ent->val_paths[i+1];
+ ent->values[i] = ent->values[i+1];
+ }
+ ARR_SETLEN(entity*, ent->val_paths, ARR_LEN(ent->val_paths) - 1);
+ ARR_SETLEN(ir_node*, ent->values, ARR_LEN(ent->values) - 1);
+ break;
+ }
+ }
+}
+
+void
+add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
+ compound_graph_path *path;
+ type *owner_tp = get_entity_owner(ent);
+ assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
+ path = new_compound_graph_path(owner_tp, 1);
+ path->nodes[0] = member;
+ if (is_Array_type(owner_tp)) {
+ int max;
+ int i;
+
+ assert(get_array_n_dimensions(owner_tp) == 1 && has_array_lower_bound(owner_tp, 0));
+ max = get_array_lower_bound_int(owner_tp, 0) -1;
+ for (i = 0; i < get_compound_ent_n_values(ent); ++i) {
+ int index = get_compound_graph_path_array_index(get_compound_ent_value_path(ent, i), 0);
+ if (index > max) {
+ max = index;
+ }
+ }
+ path->arr_indicees[0] = max + 1;
+ }
+ add_compound_ent_value_w_path(ent, val, path);
+}
+
+/* Copies the firm subgraph referenced by val to const_code_irg and adds
+ the node as constant initialization to ent.
+ The subgraph may not contain control flow operations.
+void
+copy_and_add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
+ ir_graph *rem = current_ir_graph;
+
+ assert(get_entity_variability(ent) != variability_uninitialized);
+ current_ir_graph = get_const_code_irg();
+
+ val = copy_const_value(val);
+ add_compound_ent_value(ent, val, member);
+ current_ir_graph = rem;
+ }*/
+
+/* Copies the value i of the entity to current_block in current_ir_graph.
+ir_node *
+copy_compound_ent_value(entity *ent, int pos) {
+ assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
+ return copy_const_value(ent->values[pos+1]);
+ }*/
+
+entity *
+get_compound_ent_value_member(entity *ent, int pos) {
+ compound_graph_path *path;
+ assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
+ path = get_compound_ent_value_path(ent, pos);
+
+ return get_compound_graph_path_node(path, get_compound_graph_path_length(path)-1);
+}
+
+void
+set_compound_ent_value(entity *ent, ir_node *val, entity *member, int pos) {
+ compound_graph_path *path;
+ assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
+ path = get_compound_ent_value_path(ent, pos);
+ set_compound_graph_path_node(path, 0, member);
+ set_compound_ent_value_w_path(ent, val, path, pos);
+}
+
+void
+set_array_entity_values(entity *ent, tarval **values, int num_vals) {
+ int i;
+ ir_graph *rem = current_ir_graph;
+ type *arrtp = get_entity_type(ent);
+ ir_node *val;
+ type *elttp = get_array_element_type(arrtp);
+
+ assert(is_Array_type(arrtp));
+ assert(get_array_n_dimensions(arrtp) == 1);
+ /* One bound is sufficient, the number of constant fields makes the
+ size. */
+ assert(get_array_lower_bound (arrtp, 0) || get_array_upper_bound (arrtp, 0));
+ assert(get_entity_variability(ent) != variability_uninitialized);
+ current_ir_graph = get_const_code_irg();
+
+ for (i = 0; i < num_vals; i++) {
+ val = new_Const_type(values[i], elttp);
+ add_compound_ent_value(ent, val, get_array_element_entity(arrtp));
+ set_compound_graph_path_array_index(get_compound_ent_value_path(ent, i), 0, i);
+ }
+ current_ir_graph = rem;
+}
+
+int get_compound_ent_value_offset_bits(entity *ent, int pos) {
+ compound_graph_path *path;
+ int i, path_len;
+ int offset = 0;
+
+ assert(get_type_state(get_entity_type(ent)) == layout_fixed);
+
+ path = get_compound_ent_value_path(ent, pos);
+ path_len = get_compound_graph_path_length(path);
+
+ for (i = 0; i < path_len; ++i) {
+ entity *node = get_compound_graph_path_node(path, i);
+ type *node_tp = get_entity_type(node);
+ type *owner_tp = get_entity_owner(node);
+ if (is_Array_type(owner_tp)) {
+ int size = get_type_size_bits(node_tp);
+ int align = get_type_alignment_bits(node_tp);
+ if (size < align)
+ size = align;
+ else {
+ assert(size % align == 0);
+ /* ansonsten aufrunden */
+ }
+ offset += size * get_compound_graph_path_array_index(path, i);
+ } else {
+ offset += get_entity_offset_bits(node);
+ }
+ }
+ return offset;
+}
+
+int get_compound_ent_value_offset_bytes(entity *ent, int pos) {
+ int offset = get_compound_ent_value_offset_bits(ent, pos);
+ assert(offset % 8 == 0);
+ return offset >> 3;
+}
+
+
+static void init_index(type *arr) {
+ int init;
+ int dim = 0;
+
+ assert(get_array_n_dimensions(arr) == 1);
+
+ if (has_array_lower_bound(arr, dim))
+ init = get_array_lower_bound_int(arr, 0) -1;
+ else
+ init = get_array_upper_bound_int(arr, 0) +1;
+
+ set_entity_link(get_array_element_entity(arr), (void *)init);
+}
+
+
+static int get_next_index(entity *elem_ent) {
+ type *arr = get_entity_owner(elem_ent);
+ int next;
+ int dim = 0;
+
+ assert(get_array_n_dimensions(arr) == 1);
+
+ if (has_array_lower_bound(arr, dim)) {
+ next = (int)get_entity_link(elem_ent) +1;
+ if (has_array_upper_bound(arr, dim)) {
+ int upper = get_array_upper_bound_int(arr, dim);
+ if (next == upper) next = get_array_lower_bound_int(arr, dim);
+ }
+ } else {
+ next = (int)get_entity_link(elem_ent) -1;
+ if (has_array_lower_bound(arr, dim)) {
+ int upper = get_array_upper_bound_int(arr, dim);
+ if (next == upper) next = get_array_upper_bound_int(arr, dim);
+ }
+ }
+
+ set_entity_link(elem_ent, (void *)next);
+ return next;