1 /* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
4 * Authors: Martin Trapp, Christian Schaefer
18 # include "entity_t.h"
20 # include "typegmod_t.h"
22 /* All this is needed to build the constant node for methods: */
23 # include "irprog_t.h"
26 /*******************************************************************/
28 /*******************************************************************/
35 /*******************************************************************/
37 /*******************************************************************/
39 /* redeclared to declare INLINE. */
40 INLINE entity *get_entity_overwrites (entity *ent, int pos);
41 INLINE entity *get_entity_overwrittenby (entity *ent, int pos);
42 INLINE type *get_entity_owner (entity *ent);
44 INLINE void insert_entity_in_owner (entity *ent) {
45 type *owner = ent->owner;
46 switch (get_type_tpop_code(owner)) {
48 add_class_member (owner, ent);
51 add_struct_member (owner, ent);
54 add_union_member (owner, ent);
57 set_array_element_entity(owner, ent);
64 new_entity (type *owner, ident *name, type *type)
69 assert(!id_contains_char(name, ' ') && "entity name should not contain spaces");
71 res = (entity *) malloc (sizeof (entity));
73 assert_legal_owner_of_ent(owner);
77 if (get_type_tpop(type) == type_method)
78 res->allocation = static_allocated;
80 res->allocation = automatic_allocated;
81 res->visibility = local;
83 if (is_method_type(type)) {
84 res->variability = constant;
85 rem = current_ir_graph;
86 current_ir_graph = get_const_code_irg();
87 res->value = new_Const(mode_P, tarval_P_from_entity(res));
88 current_ir_graph = rem;
90 res->variability = uninitialized;
94 res->peculiarity = existent;
95 res->volatility = non_volatile;
97 res->overwrites = NEW_ARR_F(entity *, 1);
98 res->overwrittenby = NEW_ARR_F(entity *, 1);
103 res->nr = get_irp_new_node_nr();
108 /* Remember entity in it's owner. */
109 insert_entity_in_owner (res);
113 new_d_entity (type *owner, ident *name, type *type, dbg_info *db) {
114 entity *res = new_entity(owner, name, type);
115 set_entity_dbg_info(res, db);
118 INLINE void free_entity_attrs(entity *ent) {
120 if (get_type_tpop(get_entity_owner(ent)) == type_class) {
121 DEL_ARR_F(ent->overwrites);
122 DEL_ARR_F(ent->overwrittenby);
127 copy_entity_own (entity *old, type *new_owner) {
130 assert_legal_owner_of_ent(new_owner);
131 if (old->owner == new_owner) return old;
132 new = (entity *) malloc (sizeof (entity));
133 memcpy (new, old, sizeof (entity));
134 new->owner = new_owner;
136 if ((get_type_tpop(get_entity_owner(old)) == type_class) &&
137 (get_type_tpop(new_owner) == type_class)) {
138 new->overwrites = DUP_ARR_F(entity *, old->overwrites);
139 new->overwrittenby = DUP_ARR_F(entity *, old->overwrittenby);
140 } else if ((get_type_tpop(get_entity_owner(old)) != type_class) &&
141 (get_type_tpop(new_owner) == type_class)) {
142 new->overwrites = NEW_ARR_F(entity *, 1);
143 new->overwrittenby = NEW_ARR_F(entity *, 1);
146 if (is_class_type(new_owner)) {
147 new->overwrites = NEW_ARR_F(entity *, 1);
148 new->overwrittenby = NEW_ARR_F(entity *, 1);
151 new->nr = get_irp_new_node_nr();
154 insert_entity_in_owner (new);
160 copy_entity_name (entity *old, ident *new_name) {
163 if (old->name == new_name) return old;
164 new = (entity *) malloc (sizeof (entity));
165 memcpy (new, old, sizeof (entity));
166 new->name = new_name;
168 if (is_class_type(new->owner)) {
169 new->overwrites = DUP_ARR_F(entity *, old->overwrites);
170 new->overwrittenby = DUP_ARR_F(entity *, old->overwrittenby);
173 new->nr = get_irp_new_node_nr();
176 insert_entity_in_owner (new);
183 free_entity (entity *ent) {
185 free_entity_attrs(ent);
189 /* Outputs a unique number for this node */
191 get_entity_nr(entity *ent) {
201 get_entity_name (entity *ent) {
203 return id_to_str(get_entity_ident(ent));
207 get_entity_ident (entity *ent) {
213 void set_entitye_ld_name (entity *, char *ld_name);
214 void set_entity_ld_ident (entity *, ident *ld_ident);
218 get_entity_owner (entity *ent) {
219 return ent->owner = skip_tid(ent->owner);
223 set_entity_owner (entity *ent, type *owner) {
224 assert_legal_owner_of_ent(owner);
228 INLINE void /* should this go into type.c? */
229 assert_legal_owner_of_ent(type *owner) {
230 assert (get_type_tpop_code(owner) == tpo_class ||
231 get_type_tpop_code(owner) == tpo_union ||
232 get_type_tpop_code(owner) == tpo_struct ||
233 get_type_tpop_code(owner) == tpo_array); /* Yes, array has an entity
234 -- to select fields! */
238 get_entity_ld_ident (entity *ent)
240 if (ent->ld_name == NULL)
241 ent->ld_name = mangle_entity (ent);
246 set_entity_ld_ident (entity *ent, ident *ld_ident) {
247 ent->ld_name = ld_ident;
251 get_entity_ld_name (entity *ent) {
252 return id_to_str(get_entity_ld_ident(ent));
256 char *get_entity_ld_name (entity *);
257 void set_entity_ld_name (entity *, char *ld_name);
261 get_entity_type (entity *ent) {
262 return ent->type = skip_tid(ent->type);
266 set_entity_type (entity *ent, type *type) {
271 INLINE ent_allocation
272 get_entity_allocation (entity *ent) {
273 return ent->allocation;
277 set_entity_allocation (entity *ent, ent_allocation al) {
278 ent->allocation = al;
282 INLINE ent_visibility
283 get_entity_visibility (entity *ent) {
284 return ent->visibility;
288 set_entity_visibility (entity *ent, ent_visibility vis) {
290 assert((ent->allocation == static_allocated) ||
291 (ent->allocation == automatic_allocated));
292 // @@@ Test that the owner type is not local, but how??
293 // && get_class_visibility(get_entity_owner(ent)) != local));
294 ent->visibility = vis;
297 INLINE ent_variability
298 get_entity_variability (entity *ent) {
299 return ent->variability;
303 set_entity_variability (entity *ent, ent_variability var){
304 if (var == part_constant)
305 assert(is_class_type(ent->type) || is_struct_type(ent->type));
306 if ((is_compound_type(ent->type)) &&
307 (ent->variability == uninitialized) && (var != uninitialized)) {
308 /* Allocate datastructures for constant values */
309 ent->values = NEW_ARR_F(ir_node *, 1);
310 ent->val_ents = NEW_ARR_F(entity *, 1);
312 if ((is_compound_type(ent->type)) &&
313 (var == uninitialized) && (ent->variability != uninitialized)) {
314 /* Free datastructures for constant values */
315 DEL_ARR_F(ent->values);
316 DEL_ARR_F(ent->val_ents);
318 ent->variability = var;
322 INLINE ent_volatility
323 get_entity_volatility (entity *ent) {
325 return ent->volatility;
329 set_entity_volatility (entity *ent, ent_volatility vol) {
331 ent->volatility = vol;
335 get_entity_peculiarity (entity *ent) {
337 return ent->peculiarity;
341 set_entity_peculiarity (entity *ent, peculiarity pec) {
343 /* @@@ why peculiarity only for methods? */
344 assert (is_method_type(ent->type));
345 ent->peculiarity = pec;
348 /* Set has no effect for entities of type method. */
350 get_atomic_ent_value(entity *ent) {
351 assert(ent); assert(is_atomic_entity(ent));
352 assert((ent->variability != uninitialized));
357 set_atomic_ent_value(entity *ent, ir_node *val) {
358 assert(ent && is_atomic_entity(ent) && (ent->variability != uninitialized));
359 if (is_method_type(ent->type)) return;
364 ir_node *copy_const_value(ir_node *n) {
369 switch(get_irn_opcode(n)) {
371 nn = new_Const(m, get_Const_tarval(n)); break;
373 nn = new_SymConst(get_SymConst_type_or_id(n), get_SymConst_kind(n)); break;
375 nn = new_Add(copy_const_value(get_Add_left(n)), copy_const_value(get_Add_right(n)), m); break;
377 assert(0 && "opdope invalid or not implemented"); break;
382 /* A value of a compound entity is a pair of value and the corresponding member of
385 add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
386 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
387 ARR_APP1 (ir_node *, ent->values, val);
388 ARR_APP1 (entity *, ent->val_ents, member);
391 /* Copies the firm subgraph referenced by val to const_code_irg and adds
392 the node as constant initialization to ent.
393 The subgraph may not contain control flow operations.
395 copy_and_add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
396 ir_graph *rem = current_ir_graph;
398 assert(get_entity_variability(ent) != uninitialized);
399 current_ir_graph = get_const_code_irg();
401 val = copy_const_value(val);
402 add_compound_ent_value(ent, val, member);
403 current_ir_graph = rem;
407 get_compound_ent_n_values(entity *ent) {
408 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
409 return (ARR_LEN (ent->values))-1;
413 get_compound_ent_value(entity *ent, int pos) {
414 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
415 return ent->values[pos+1];
418 /* Copies the value i of the entity to current_block in current_ir_graph.
420 copy_compound_ent_value(entity *ent, int pos) {
421 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
422 return copy_const_value(ent->values[pos+1]);
426 get_compound_ent_value_member(entity *ent, int pos) {
427 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
428 return ent->val_ents[pos+1];
432 set_compound_ent_value(entity *ent, ir_node *val, entity *member, int pos) {
433 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
434 ent->values[pos+1] = val;
435 ent->val_ents[pos+1] = member;
439 remove_compound_ent_value(entity *ent, entity *value_ent) {
441 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
442 for (i = 1; i < (ARR_LEN (ent->val_ents)); i++) {
443 if (ent->val_ents[i] == value_ent) {
444 for(; i < (ARR_LEN (ent->val_ents))-1; i++) {
445 ent->val_ents[i] = ent->val_ents[i+1];
446 ent->values[i] = ent->values[i+1];
448 ARR_SETLEN(entity*, ent->val_ents, ARR_LEN(ent->val_ents) - 1);
449 ARR_SETLEN(ir_node*, ent->values, ARR_LEN(ent->values) - 1);
456 set_array_entity_values(entity *ent, tarval **values, int num_vals) {
458 ir_graph *rem = current_ir_graph;
459 type *arrtp = get_entity_type(ent);
462 assert(is_array_type(arrtp));
463 assert(get_array_n_dimensions(arrtp) == 1);
464 /* One bound is sufficient, the nunmber of constant fields makes the
466 assert(get_array_lower_bound (arrtp, 0) || get_array_upper_bound (arrtp, 0));
467 assert(get_entity_variability(ent) != uninitialized);
468 current_ir_graph = get_const_code_irg();
470 for (i = 0; i < num_vals; i++) {
471 val = new_Const(get_tv_mode (values[i]), values[i]);
472 add_compound_ent_value(ent, val, get_array_element_entity(arrtp));
474 current_ir_graph = rem;
478 get_entity_offset (entity *ent) {
483 set_entity_offset (entity *ent, int offset) {
484 ent->offset = offset;
488 add_entity_overwrites (entity *ent, entity *overwritten) {
490 assert(is_class_type(get_entity_owner(ent)));
491 ARR_APP1 (entity *, ent->overwrites, overwritten);
492 ARR_APP1 (entity *, overwritten->overwrittenby, ent);
496 get_entity_n_overwrites (entity *ent) {
498 assert(is_class_type(get_entity_owner(ent)));
499 return (ARR_LEN (ent->overwrites))-1;
503 get_entity_overwrites_index(entity *ent, entity *overwritten) {
505 assert(ent && is_class_type(get_entity_owner(ent)));
506 for (i = 0; i < get_entity_n_overwrites(ent); i++)
507 if (get_entity_overwrites(ent, i) == overwritten)
513 get_entity_overwrites (entity *ent, int pos) {
515 assert(is_class_type(get_entity_owner(ent)));
516 assert(pos < get_entity_n_overwrites(ent));
517 return ent->overwrites[pos+1];
521 set_entity_overwrites (entity *ent, int pos, entity *overwritten) {
523 assert(is_class_type(get_entity_owner(ent)));
524 assert(pos < get_entity_n_overwrites(ent));
525 ent->overwrites[pos+1] = overwritten;
529 remove_entity_overwrites(entity *ent, entity *overwritten) {
531 assert(ent && is_class_type(get_entity_owner(ent)));
532 for (i = 1; i < (ARR_LEN (ent->overwrites)); i++)
533 if (ent->overwrites[i] == overwritten) {
534 for(; i < (ARR_LEN (ent->overwrites))-1; i++)
535 ent->overwrites[i] = ent->overwrites[i+1];
536 ARR_SETLEN(entity*, ent->overwrites, ARR_LEN(ent->overwrites) - 1);
542 add_entity_overwrittenby (entity *ent, entity *overwrites) {
544 assert(is_class_type(get_entity_owner(ent)));
545 add_entity_overwrites(overwrites, ent);
549 get_entity_n_overwrittenby (entity *ent) {
551 assert(is_class_type(get_entity_owner(ent)));
552 return (ARR_LEN (ent->overwrittenby))-1;
556 get_entity_overwrittenby_index(entity *ent, entity *overwrites) {
558 assert(ent && is_class_type(get_entity_owner(ent)));
559 for (i = 0; i < get_entity_n_overwrittenby(ent); i++)
560 if (get_entity_overwrittenby(ent, i) == overwrites)
566 get_entity_overwrittenby (entity *ent, int pos) {
568 assert(is_class_type(get_entity_owner(ent)));
569 assert(pos < get_entity_n_overwrittenby(ent));
570 return ent->overwrittenby[pos+1];
574 set_entity_overwrittenby (entity *ent, int pos, entity *overwrites) {
576 assert(is_class_type(get_entity_owner(ent)));
577 assert(pos < get_entity_n_overwrittenby(ent));
578 ent->overwrittenby[pos+1] = overwrites;
581 void remove_entity_overwrittenby(entity *ent, entity *overwrites) {
583 assert(ent && is_class_type(get_entity_owner(ent)));
584 for (i = 1; i < (ARR_LEN (ent->overwrittenby)); i++)
585 if (ent->overwrittenby[i] == overwrites) {
586 for(; i < (ARR_LEN (ent->overwrittenby))-1; i++)
587 ent->overwrittenby[i] = ent->overwrittenby[i+1];
588 ARR_SETLEN(entity*, ent->overwrittenby, ARR_LEN(ent->overwrittenby) - 1);
593 /* A link to store intermediate information */
595 get_entity_link(entity *ent) {
601 set_entity_link(entity *ent, void *l) {
607 get_entity_irg(entity *ent) {
609 assert (is_method_type(ent->type));
614 set_entity_irg(entity *ent, ir_graph *irg) {
615 assert (ent && ent->type);
616 /* Wie kann man die Referenz auf einen IRG löschen, z.B. wenn die
617 * Methode selbst nicht mehr aufgerufen werden kann, die Entität
618 * aber erhalten bleiben soll. */
620 assert (is_method_type(ent->type));
621 assert (ent->peculiarity == existent);
625 int is_entity (void *thing) {
627 if (get_kind(thing) == k_entity)
633 int is_atomic_entity(entity *ent) {
634 type* t = get_entity_type(ent);
635 return (is_primitive_type(t) || is_pointer_type(t) ||
636 is_enumeration_type(t) || is_method_type(t));
639 int is_compound_entity(entity *ent) {
640 type* t = get_entity_type(ent);
641 return (is_class_type(t) || is_struct_type(t) ||
642 is_array_type(t) || is_union_type(t));
645 /* @@@ not implemnted!!! */
646 bool equal_entity(entity *ent1, entity *ent2) {
647 printf(" calling unimplemented equal entity!!! \n");
652 unsigned long get_entity_visited(entity *ent) {
656 void set_entity_visited(entity *ent, unsigned long num) {
660 /* Sets visited field in entity to entity_visited. */
661 void mark_entity_visited(entity *ent) {
663 ent->visit = type_visited;
667 INLINE bool entity_visited(entity *ent) {
668 return get_entity_visited(ent) >= type_visited;
670 INLINE bool entity_not_visited(entity *ent) {
671 return get_entity_visited(ent) < type_visited;