**
*/
+/* $Id$ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
# include <stdlib.h>
+# include <stddef.h>
+# include <string.h>
+
# include "entity_t.h"
-# include "entity.h"
# include "mangle.h"
+# include "typegmod_t.h"
+# include "array.h"
+/* All this is needed to build the constant node for methods: */
+# include "irprog.h"
+# include "ircons.h"
/*******************************************************************/
/** general **/
/** ENTITY **/
/*******************************************************************/
+inline void insert_entity_in_owner (entity *ent) {
+ type *owner = ent->owner;
+ switch (get_type_tpop_code(owner)) {
+ case tpo_class: {
+ add_class_member (owner, ent);
+ } break;
+ case tpo_struct: {
+ add_struct_member (owner, ent);
+ } break;
+ case tpo_union: {
+ add_union_member (owner, ent);
+ } break;
+ case tpo_array: {
+ set_array_element_entity(owner, ent);
+ } break;
+ default: assert(0);
+ }
+}
+
entity *
new_entity (type *owner, ident *name, type *type)
{
entity *res;
+ ir_graph *rem;
res = (entity *) malloc (sizeof (entity));
res->kind = k_entity;
res->owner = owner;
res->name = name;
res->type = type;
+ if (get_type_tpop(type) == type_method)
+ res->allocation = static_allocated;
+ else
+ res->allocation = automatic_allocated;
+ res->visibility = local;
+ res->offset = -1;
+ if (is_method_type(type)) {
+ res->variability = constant;
+ rem = current_ir_graph;
+ current_ir_graph = get_const_code_irg();
+ res->value = new_Const(mode_p, tarval_p_from_entity(res));
+ current_ir_graph = rem;
+ } else {
+ res->variability = uninitialized;
+ }
+ res->peculiarity = existent;
+ res->volatility = non_volatile;
res->ld_name = NULL;
+ res->overwrites = NEW_ARR_F(entity *, 1);
+ res->overwrittenby = NEW_ARR_F(entity *, 1);
- res->visit = 0;
+ res->irg = NULL;
- switch (get_kind(owner)) {
- case k_type_class: {
- add_class_member ((type_class *) owner, res);
- } break;
- case k_type_strct: {
- add_strct_member ((type_strct *) owner, res);
- } break;
- case k_type_union: {
- /* not implemented */
- } break;
- case k_type_method: {
- /* not implemented */
- } break;
- default: ;
- }
+ res->visit = 0;
+ /* Remember entity in it's owner. */
+ insert_entity_in_owner (res);
return res;
}
+inline void free_entity_attrs(entity *ent) {
+ assert(ent);
+ DEL_ARR_F(ent->overwrites);
+ DEL_ARR_F(ent->overwrittenby);
+}
+
+entity *
+copy_entity_own (entity *old, type *new_owner) {
+ entity *new;
+
+ assert_legal_owner_of_ent(new_owner);
+ if (old->owner == new_owner) return old;
+ new = (entity *) malloc (sizeof (entity));
+ memcpy (new, old, sizeof (entity));
+ new->owner = new_owner;
+ new->overwrites = DUP_ARR_F(entity *, old->overwrites);
+ new->overwrittenby = DUP_ARR_F(entity *, old->overwrittenby);
+
+ insert_entity_in_owner (new);
+
+ return new;
+}
+
+entity *
+copy_entity_name (entity *old, ident *new_name) {
+ entity *new;
+
+ if (old->name == new_name) return old;
+ new = (entity *) malloc (sizeof (entity));
+ memcpy (new, old, sizeof (entity));
+ new->name = new_name;
+ new->ld_name = NULL;
+ new->overwrites = DUP_ARR_F(entity *, old->overwrites);
+ new->overwrittenby = DUP_ARR_F(entity *, old->overwrittenby);
-#if 0
-inline char *
+ insert_entity_in_owner (new);
+
+ return new;
+}
+
+inline const char *
get_entity_name (entity *ent) {
assert (ent);
return id_to_str(get_entity_ident(ent));
- /* GL:
- entity.c:52: warning: return discards `const' from pointer target type
- -- ned so guud
- */
}
-#endif
ident *
get_entity_ident (entity *ent) {
}
/*
-void set_entity_ld_name (entity *, char *ld_name);
+void set_entitye_ld_name (entity *, char *ld_name);
void set_entity_ld_ident (entity *, ident *ld_ident);
*/
inline type *
get_entity_owner (entity *ent) {
- return ent->owner;
+ return ent->owner = skip_tid(ent->owner);
}
inline void
inline void /* should this go into type.c? */
assert_legal_owner_of_ent(type *owner) {
- assert (owner->clss.kind == k_type_class ||
- owner->uni.kind == k_type_union ||
- owner->array.kind == k_type_array ||
- owner->method.kind == k_type_method );
+ assert (get_type_tpop_code(owner) == tpo_class ||
+ get_type_tpop_code(owner) == tpo_union ||
+ get_type_tpop_code(owner) == tpo_struct ||
+ get_type_tpop_code(owner) == tpo_array); /* Yes, array has an entity
+ -- to select fields! */
}
inline ident *
-get_entity_ld_name (entity *ent)
+get_entity_ld_ident (entity *ent)
{
- if (ent->ld_name != NULL) return ent->ld_name;
- return mangle_entity (ent);
+ if (ent->ld_name == NULL)
+ ent->ld_name = mangle_entity (ent);
+ return ent->ld_name;
+}
+
+inline void
+set_entity_ld_ident (entity *ent, ident *ld_ident) {
+ ent->ld_name = ld_ident;
+}
+
+inline const char *
+get_entity_ld_name (entity *ent) {
+ return id_to_str(get_entity_ld_ident(ent));
}
/*
char *get_entity_ld_name (entity *);
void set_entity_ld_name (entity *, char *ld_name);
-void set_entity_ld_ident (entity *, ident *ld_ident);
*/
inline type *
get_entity_type (entity *ent) {
- return ent->type;
+ return ent->type = skip_tid(ent->type);
}
inline void
ent->type = type;
}
+
+inline ent_allocation
+get_entity_allocation (entity *ent) {
+ return ent->allocation;
+}
+
+inline void
+set_entity_allocation (entity *ent, ent_allocation al) {
+ ent->allocation = al;
+}
+
+
+inline ent_visibility
+get_entity_visibility (entity *ent) {
+ return ent->visibility;
+}
+
+inline void
+set_entity_visibility (entity *ent, ent_visibility vis) {
+ if (vis != local) assert(ent->allocation == static_allocated);
+ ent->visibility = vis;
+}
+
+inline ent_variability
+get_entity_variability (entity *ent) {
+ return ent->variability;
+}
+
+inline void
+set_entity_variability (entity *ent, ent_variability var){
+ if (var == part_constant)
+ assert(is_class_type(ent->type) || is_struct_type(ent->type));
+ if ((is_compound_type(ent->type)) &&
+ (ent->variability == uninitialized) && (var != uninitialized)) {
+ /* Allocate datastructures for constant values */
+ ent->values = NEW_ARR_F(ir_node *, 1);
+ ent->val_ents = NEW_ARR_F(entity *, 1);
+ }
+ if ((is_compound_type(ent->type)) &&
+ (var == uninitialized) && (ent->variability != uninitialized)) {
+ /* Free datastructures for constant values */
+ DEL_ARR_F(ent->values);
+ DEL_ARR_F(ent->val_ents);
+ }
+ ent->variability = var;
+}
+
+
+inline ent_volatility
+get_entity_volatility (entity *ent) {
+ return ent->volatility;
+}
+
+inline void
+set_entity_volatility (entity *ent, ent_volatility vol) {
+ ent->volatility = vol;
+}
+
+inline peculiarity
+get_entity_peculiarity (entity *ent) {
+ assert (ent);
+ //assert (is_method_type(ent->type));
+ return ent->peculiarity;
+}
+
+inline void
+set_entity_peculiarity (entity *ent, peculiarity pec) {
+ assert (ent);
+ assert (is_method_type(ent->type));
+ ent->peculiarity = pec;
+}
+
+/* Set has no effect for entities of type method. */
+inline ir_node *
+get_atomic_ent_value(entity *ent) {
+ assert(ent); assert(is_atomic_entity(ent));
+ assert((ent->variability != uninitialized));
+ return ent->value;
+}
+
+inline void
+set_atomic_ent_value(entity *ent, ir_node *val) {
+ assert(ent && is_atomic_entity(ent) && (ent->variability != uninitialized));
+ if (is_method_type(ent->type)) return;
+ ent->value = val;
+}
+
+
+ir_node *copy_const_value(ir_node *n) {
+ ir_node *nn;
+ ir_mode *m;
+
+ m = get_irn_mode(n);
+ switch(get_irn_opcode(n)) {
+ case iro_Const:
+ nn = new_Const(m, get_Const_tarval(n)); break;
+ case iro_SymConst:
+ nn = new_SymConst(get_SymConst_type_or_id(n), get_SymConst_kind(n)); break;
+ case iro_Add:
+ nn = new_Add(copy_const_value(get_Add_left(n)), copy_const_value(get_Add_right(n)), m); break;
+ default:
+ assert(0 && "opdope invalid or not implemented"); break;
+ }
+ return nn;
+}
+
+/* Copies the value represented by the entity to current_block
+ in current_ir_graph. */
+ir_node *copy_atomic_ent_value(entity *ent) {
+ assert(ent && is_atomic_entity(ent) && (ent->variability != uninitialized));
+ return copy_const_value(ent->value);
+}
+
+/* A value of a compound entity is a pair of value and the corresponding member of
+ the compound. */
+inline void
+add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
+ assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
+ ARR_APP1 (ir_node *, ent->values, val);
+ ARR_APP1 (entity *, ent->val_ents, member);
+}
+
+/* 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. */
+inline 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) != uninitialized);
+ current_ir_graph = get_const_code_irg();
+
+ val = copy_const_value(val);
+ add_compound_ent_value(ent, val, member);
+ current_ir_graph = rem;
+}
+
+inline int
+get_compound_ent_n_values(entity *ent) {
+ assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
+ return (ARR_LEN (ent->values))-1;
+}
+
+inline ir_node *
+get_compound_ent_value(entity *ent, int pos) {
+ assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
+ return ent->values[pos+1];
+}
+
+/* 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(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
+ return copy_const_value(ent->values[pos+1]);
+}
+
+inline entity *
+get_compound_ent_value_member(entity *ent, int pos) {
+ assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
+ return ent->val_ents[pos+1];
+}
+
+inline void
+set_compound_ent_value(entity *ent, ir_node *val, entity *member, int pos) {
+ assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
+ ent->values[pos+1] = val;
+ ent->val_ents[pos+1] = member;
+}
+
+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;
+
+ assert(is_array_type(arrtp));
+ assert(get_array_n_dimensions(arrtp) == 1);
+ /* One bound is sufficient, the nunmber of constant fields makes the
+ size. */
+ assert(get_array_lower_bound (arrtp, 0) || get_array_upper_bound (arrtp, 0));
+ assert(get_entity_variability(ent) != uninitialized);
+ current_ir_graph = get_const_code_irg();
+
+ for (i = 0; i < num_vals; i++) {
+ val = new_Const(get_tv_mode (values[i]), values[i]);
+ add_compound_ent_value(ent, val, get_array_element_entity(arrtp));
+ }
+ current_ir_graph = rem;
+}
+
+inline int
+get_entity_offset (entity *ent) {
+ return ent->offset;
+}
+
+inline void
+set_entity_offset (entity *ent, int offset) {
+ ent->offset = offset;
+}
+
+inline void
+add_entity_overwrites (entity *ent, entity *overwritten) {
+ assert(ent);
+ assert(is_class_type(get_entity_owner(ent)));
+ ARR_APP1 (entity *, ent->overwrites, overwritten);
+ ARR_APP1 (entity *, overwritten->overwrittenby, ent);
+}
+
+inline int
+get_entity_n_overwrites (entity *ent) {
+ assert(ent);
+ assert(is_class_type(get_entity_owner(ent)));
+ return (ARR_LEN (ent->overwrites))-1;
+}
+
+inline entity *
+get_entity_overwrites (entity *ent, int pos) {
+ assert(ent);
+ assert(is_class_type(get_entity_owner(ent)));
+ assert(pos < get_entity_n_overwrites(ent));
+ return ent->overwrites[pos+1];
+}
+
+inline void
+set_entity_overwrites (entity *ent, int pos, entity *overwritten) {
+ assert(ent);
+ assert(is_class_type(get_entity_owner(ent)));
+ assert(pos < get_entity_n_overwrites(ent));
+ ent->overwrites[pos+1] = overwritten;
+}
+
+inline void
+add_entity_overwrittenby (entity *ent, entity *overwrites) {
+ assert(ent);
+ assert(is_class_type(get_entity_owner(ent)));
+ add_entity_overwrites(overwrites, ent);
+}
+
+inline int
+get_entity_n_overwrittenby (entity *ent) {
+ assert(ent);
+ assert(is_class_type(get_entity_owner(ent)));
+ return (ARR_LEN (ent->overwrittenby))-1;
+}
+
+inline entity *
+get_entity_overwrittenby (entity *ent, int pos) {
+ assert(ent);
+ assert(is_class_type(get_entity_owner(ent)));
+ assert(pos < get_entity_n_overwrittenby(ent));
+ return ent->overwrittenby[pos+1];
+}
+
+inline void
+set_entity_overwrittenby (entity *ent, int pos, entity *overwrites) {
+ assert(ent);
+ assert(is_class_type(get_entity_owner(ent)));
+ assert(pos < get_entity_n_overwrittenby(ent));
+ ent->overwrittenby[pos+1] = overwrites;
+}
+
+/* A link to store intermediate information */
+void *
+get_entity_link(entity *ent) {
+ assert(ent);
+ return ent->link;
+}
+
+void
+set_entity_link(entity *ent, void *l) {
+ assert(ent);
+ ent->link = l;
+}
+
inline ir_graph *
get_entity_irg(entity *ent) {
assert (ent);
- assert (get_kind(ent->type) == k_type_method);
+ assert (is_method_type(ent->type));
return ent->irg;
}
inline void
set_entity_irg(entity *ent, ir_graph *irg) {
assert (ent && ent->type);
- assert (irg);
- assert (get_kind(ent->type) == k_type_method);
+ /* Wie kann man die Referenz auf einen IRG löschen, z.B. wenn die
+ * Methode selbst nicht mehr aufgerufen werden kann, die Entität
+ * aber erhalten bleiben soll. */
+ /* assert (irg); */
+ assert (is_method_type(ent->type));
+ assert (ent->peculiarity == existent);
ent->irg = irg;
}
+
+int is_atomic_entity(entity *ent) {
+ type* t = get_entity_type(ent);
+ return (is_primitive_type(t) || is_pointer_type(t) ||
+ is_enumeration_type(t) || is_method_type(t));
+}
+
+int is_compound_entity(entity *ent) {
+ type* t = get_entity_type(ent);
+ return (is_class_type(t) || is_struct_type(t) ||
+ is_array_type(t) || is_union_type(t));
+}