#include "callgraph.h"
#include "error.h"
-/**
- * An interval initializer.
- */
-typedef struct interval_initializer interval_initializer;
-
-/**
- * A value initializer.
- */
-typedef struct value_initializer value_initializer;
-
-struct interval_initializer {
- int first_index; /**< The first index of the initialized interval. */
- int last_index; /**< The last index of the initialized interval. */
- interval_initializer *next; /**< Points to the next interval initializer. */
-};
-
-struct value_initializer {
- ir_entity *ent; /**< The initialized entity. */
- value_initializer *next; /**< Points to the next value initializer. */
-};
-
-typedef union initializer {
- ir_node *value; /**< The value of the initializer. */
- ir_node **values; /**< The values of an interval. */
- value_initializer *val_init; /**< Points the the head of the next value initializers. */
- interval_initializer *int_init; /**< Points to the head of the next value initializers. */
-} initializer;
-
/*-----------------------------------------------------------------*/
/** general **/
/*-----------------------------------------------------------------*/
assert(ent->overwrittenby == NULL);
}
if (is_compound_entity(ent)) {
- if (ent->attr.cmpd_attr.val_paths) {
- for (i = get_compound_ent_n_values(ent) - 1; i >= 0; --i)
- if (ent->attr.cmpd_attr.val_paths[i]) {
- /* free_compound_graph_path(ent->attr.cmpd_attr.val_paths[i]) ; * @@@ warum nich? */
- /* Geht nich: wird mehrfach verwendet!!! ==> mehrfach frei gegeben. */
- /* DEL_ARR_F(ent->attr.cmpd_attr.val_paths); */
- }
- ent->attr.cmpd_attr.val_paths = NULL;
+ if (ent->has_initializer) {
+ /* TODO: free initializers */
+ } else {
+ if (ent->attr.cmpd_attr.val_paths) {
+ for (i = get_compound_ent_n_values(ent) - 1; i >= 0; --i)
+ if (ent->attr.cmpd_attr.val_paths[i]) {
+ /* free_compound_graph_path(ent->attr.cmpd_attr.val_paths[i]) ; * @@@ warum nich? */
+ /* Geht nich: wird mehrfach verwendet!!! ==> mehrfach frei gegeben. */
+ /* DEL_ARR_F(ent->attr.cmpd_attr.val_paths); */
+ }
+ ent->attr.cmpd_attr.val_paths = NULL;
+ }
+ if (ent->attr.cmpd_attr.values) {
+ /*DEL_ARR_F(ent->attr.cmpd_attr.values)*/;
+ }
+ ent->attr.cmpd_attr.values = NULL;
}
- /* if (ent->attr.cmpd_attr.values) DEL_ARR_F(ent->attr.cmpd_attr.values); *//* @@@ warum nich? */
- ent->attr.cmpd_attr.values = NULL;
} else if (is_method_entity(ent)) {
if (ent->attr.mtd_attr.param_access) {
DEL_ARR_F(ent->attr.mtd_attr.param_access);
}
} /* free_entity_attrs */
+/**
+ * Creates a deep copy of an entity.
+ */
+static ir_entity *deep_entity_copy(ir_entity *old)
+{
+ ir_entity *newe = XMALLOC(ir_entity);
+
+ *newe = *old;
+ if (is_compound_entity(old)) {
+ if (old->has_initializer) {
+ /* FIXME: the initializers are NOT copied */
+ } else {
+ newe->attr.cmpd_attr.values = NULL;
+ newe->attr.cmpd_attr.val_paths = NULL;
+ if (old->attr.cmpd_attr.values)
+ newe->attr.cmpd_attr.values = DUP_ARR_F(ir_node *, old->attr.cmpd_attr.values);
+
+ /* FIXME: the compound graph paths are NOT copied */
+ if (old->attr.cmpd_attr.val_paths)
+ newe->attr.cmpd_attr.val_paths = DUP_ARR_F(compound_graph_path *, old->attr.cmpd_attr.val_paths);
+ }
+ } else if (is_method_entity(old)) {
+ /* do NOT copy them, reanalyze. This might be the best solution */
+ newe->attr.mtd_attr.param_access = NULL;
+ newe->attr.mtd_attr.param_weight = NULL;
+ }
+
+#ifdef DEBUG_libfirm
+ newe->nr = get_irp_new_node_nr();
+#endif
+ return newe;
+}
/*
* Copies the entity if the new_owner is different from the
* owner of the old entity, else returns the old entity.
assert(is_compound_type(new_owner));
assert(get_type_state(new_owner) != layout_fixed);
- if (old->owner == new_owner) return old;
- newe = XMALLOC(ir_entity);
- memcpy(newe, old, sizeof(*newe));
+ if (old->owner == new_owner)
+ return old;
+
+ /* create a deep copy so we are safe of aliasing and double-freeing. */
+ newe = deep_entity_copy(old);
newe->owner = new_owner;
+
if (is_Class_type(new_owner)) {
newe->overwrites = NEW_ARR_F(ir_entity *, 0);
newe->overwrittenby = NEW_ARR_F(ir_entity *, 0);
}
-#ifdef DEBUG_libfirm
- newe->nr = get_irp_new_node_nr();
-#endif
insert_entity_in_owner(newe);
-
return newe;
} /* copy_entity_own */
assert(old && old->kind == k_entity);
if (old->name == new_name) return old;
- newe = XMALLOC(ir_entity);
- memcpy(newe, old, sizeof(*newe));
+ newe = deep_entity_copy(old);
newe->name = new_name;
newe->ld_name = NULL;
+
if (is_Class_type(newe->owner)) {
newe->overwrites = DUP_ARR_F(ir_entity *, old->overwrites);
newe->overwrittenby = DUP_ARR_F(ir_entity *, old->overwrittenby);
}
-#ifdef DEBUG_libfirm
- newe->nr = get_irp_new_node_nr();
-#endif
-
insert_entity_in_owner(newe);
return newe;
} /* copy_entity_name */
-
void
free_entity(ir_entity *ent) {
assert(ent && ent->kind == k_entity);
m = get_irn_mode(n);
switch (get_irn_opcode(n)) {
case iro_Const:
- nn = new_d_Const_type(dbg, m, get_Const_tarval(n), get_Const_type(n));
+ nn = new_d_Const_type(dbg, get_Const_tarval(n), get_Const_type(n));
break;
case iro_SymConst:
nn = new_d_SymConst_type(dbg, get_irn_mode(n), get_SymConst_symbol(n), get_SymConst_kind(n),
ir_node *get_initializer_const_value(const ir_initializer_t *initializer)
{
assert(initializer->kind == IR_INITIALIZER_CONST);
- return initializer->consti.value;
+ return skip_Id(initializer->consti.value);
}
tarval *get_initializer_tarval_value(const ir_initializer_t *initializer)
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