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"
27 /*******************************************************************/
29 /*******************************************************************/
36 /*******************************************************************/
38 /*******************************************************************/
40 /* redeclared to declare INLINE. */
41 INLINE entity *get_entity_overwrites (entity *ent, int pos);
42 INLINE entity *get_entity_overwrittenby (entity *ent, int pos);
43 INLINE type *get_entity_owner (entity *ent);
45 INLINE void insert_entity_in_owner (entity *ent) {
46 type *owner = ent->owner;
47 switch (get_type_tpop_code(owner)) {
49 add_class_member (owner, ent);
52 add_struct_member (owner, ent);
55 add_union_member (owner, ent);
58 set_array_element_entity(owner, ent);
65 new_entity (type *owner, ident *name, type *type)
70 assert(!id_contains_char(name, ' ') && "entity name should not contain spaces");
72 res = (entity *) malloc (sizeof (entity));
74 assert_legal_owner_of_ent(owner);
78 if (get_type_tpop(type) == type_method)
79 res->allocation = static_allocated;
81 res->allocation = automatic_allocated;
82 res->visibility = local;
84 if (is_method_type(type)) {
85 res->variability = constant;
86 rem = current_ir_graph;
87 current_ir_graph = get_const_code_irg();
88 res->value = new_Const(mode_P, new_tarval_from_entity(res, mode_P));
89 current_ir_graph = rem;
91 res->variability = uninitialized;
95 res->peculiarity = existent;
96 res->volatility = non_volatile;
98 res->overwrites = NEW_ARR_F(entity *, 1);
99 res->overwrittenby = NEW_ARR_F(entity *, 1);
104 res->nr = get_irp_new_node_nr();
109 /* Remember entity in it's owner. */
110 insert_entity_in_owner (res);
114 new_d_entity (type *owner, ident *name, type *type, dbg_info *db) {
115 entity *res = new_entity(owner, name, type);
116 set_entity_dbg_info(res, db);
119 INLINE void free_entity_attrs(entity *ent) {
121 if (get_type_tpop(get_entity_owner(ent)) == type_class) {
122 DEL_ARR_F(ent->overwrites);
123 DEL_ARR_F(ent->overwrittenby);
128 copy_entity_own (entity *old, type *new_owner) {
131 assert_legal_owner_of_ent(new_owner);
132 if (old->owner == new_owner) return old;
133 new = (entity *) malloc (sizeof (entity));
134 memcpy (new, old, sizeof (entity));
135 new->owner = new_owner;
137 if ((get_type_tpop(get_entity_owner(old)) == type_class) &&
138 (get_type_tpop(new_owner) == type_class)) {
139 new->overwrites = DUP_ARR_F(entity *, old->overwrites);
140 new->overwrittenby = DUP_ARR_F(entity *, old->overwrittenby);
141 } else if ((get_type_tpop(get_entity_owner(old)) != type_class) &&
142 (get_type_tpop(new_owner) == type_class)) {
143 new->overwrites = NEW_ARR_F(entity *, 1);
144 new->overwrittenby = NEW_ARR_F(entity *, 1);
147 if (is_class_type(new_owner)) {
148 new->overwrites = NEW_ARR_F(entity *, 1);
149 new->overwrittenby = NEW_ARR_F(entity *, 1);
152 new->nr = get_irp_new_node_nr();
155 insert_entity_in_owner (new);
161 copy_entity_name (entity *old, ident *new_name) {
164 if (old->name == new_name) return old;
165 new = (entity *) malloc (sizeof (entity));
166 memcpy (new, old, sizeof (entity));
167 new->name = new_name;
169 if (is_class_type(new->owner)) {
170 new->overwrites = DUP_ARR_F(entity *, old->overwrites);
171 new->overwrittenby = DUP_ARR_F(entity *, old->overwrittenby);
174 new->nr = get_irp_new_node_nr();
177 insert_entity_in_owner (new);
184 free_entity (entity *ent) {
185 free_tarval_entity(ent);
186 free_entity_attrs(ent);
190 /* Outputs a unique number for this node */
192 get_entity_nr(entity *ent) {
202 get_entity_name (entity *ent) {
204 return id_to_str(get_entity_ident(ent));
208 get_entity_ident (entity *ent) {
214 void set_entitye_ld_name (entity *, char *ld_name);
215 void set_entity_ld_ident (entity *, ident *ld_ident);
219 get_entity_owner (entity *ent) {
220 return ent->owner = skip_tid(ent->owner);
224 set_entity_owner (entity *ent, type *owner) {
225 assert_legal_owner_of_ent(owner);
229 INLINE void /* should this go into type.c? */
230 assert_legal_owner_of_ent(type *owner) {
231 assert (get_type_tpop_code(owner) == tpo_class ||
232 get_type_tpop_code(owner) == tpo_union ||
233 get_type_tpop_code(owner) == tpo_struct ||
234 get_type_tpop_code(owner) == tpo_array); /* Yes, array has an entity
235 -- to select fields! */
239 get_entity_ld_ident (entity *ent)
241 if (ent->ld_name == NULL)
242 ent->ld_name = mangle_entity (ent);
247 set_entity_ld_ident (entity *ent, ident *ld_ident) {
248 ent->ld_name = ld_ident;
252 get_entity_ld_name (entity *ent) {
253 return id_to_str(get_entity_ld_ident(ent));
257 char *get_entity_ld_name (entity *);
258 void set_entity_ld_name (entity *, char *ld_name);
262 get_entity_type (entity *ent) {
263 return ent->type = skip_tid(ent->type);
267 set_entity_type (entity *ent, type *type) {
272 INLINE ent_allocation
273 get_entity_allocation (entity *ent) {
274 return ent->allocation;
278 set_entity_allocation (entity *ent, ent_allocation al) {
279 ent->allocation = al;
283 INLINE ent_visibility
284 get_entity_visibility (entity *ent) {
285 return ent->visibility;
289 set_entity_visibility (entity *ent, ent_visibility vis) {
291 assert((ent->allocation == static_allocated) ||
292 (ent->allocation == automatic_allocated));
293 // @@@ Test that the owner type is not local, but how??
294 // && get_class_visibility(get_entity_owner(ent)) != local));
295 ent->visibility = vis;
298 INLINE ent_variability
299 get_entity_variability (entity *ent) {
300 return ent->variability;
304 set_entity_variability (entity *ent, ent_variability var){
305 if (var == part_constant)
306 assert(is_class_type(ent->type) || is_struct_type(ent->type));
307 if ((is_compound_type(ent->type)) &&
308 (ent->variability == uninitialized) && (var != uninitialized)) {
309 /* Allocate datastructures for constant values */
310 ent->values = NEW_ARR_F(ir_node *, 1);
311 ent->val_ents = NEW_ARR_F(entity *, 1);
313 if ((is_compound_type(ent->type)) &&
314 (var == uninitialized) && (ent->variability != uninitialized)) {
315 /* Free datastructures for constant values */
316 DEL_ARR_F(ent->values);
317 DEL_ARR_F(ent->val_ents);
319 ent->variability = var;
323 INLINE ent_volatility
324 get_entity_volatility (entity *ent) {
326 return ent->volatility;
330 set_entity_volatility (entity *ent, ent_volatility vol) {
332 ent->volatility = vol;
336 get_entity_peculiarity (entity *ent) {
338 return ent->peculiarity;
342 set_entity_peculiarity (entity *ent, peculiarity pec) {
344 /* @@@ why peculiarity only for methods? */
345 assert (is_method_type(ent->type));
346 ent->peculiarity = pec;
349 /* Set has no effect for entities of type method. */
351 get_atomic_ent_value(entity *ent) {
352 assert(ent); assert(is_atomic_entity(ent));
353 assert((ent->variability != uninitialized));
358 set_atomic_ent_value(entity *ent, ir_node *val) {
359 assert(ent && is_atomic_entity(ent) && (ent->variability != uninitialized));
360 if (is_method_type(ent->type)) return;
365 ir_node *copy_const_value(ir_node *n) {
370 switch(get_irn_opcode(n)) {
372 nn = new_Const(m, get_Const_tarval(n)); break;
374 nn = new_SymConst(get_SymConst_type_or_id(n), get_SymConst_kind(n)); break;
376 nn = new_Add(copy_const_value(get_Add_left(n)), copy_const_value(get_Add_right(n)), m); break;
378 assert(0 && "opdope invalid or not implemented"); break;
383 /* A value of a compound entity is a pair of value and the corresponding member of
386 add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
387 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
388 ARR_APP1 (ir_node *, ent->values, val);
389 ARR_APP1 (entity *, ent->val_ents, member);
392 /* Copies the firm subgraph referenced by val to const_code_irg and adds
393 the node as constant initialization to ent.
394 The subgraph may not contain control flow operations.
396 copy_and_add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
397 ir_graph *rem = current_ir_graph;
399 assert(get_entity_variability(ent) != uninitialized);
400 current_ir_graph = get_const_code_irg();
402 val = copy_const_value(val);
403 add_compound_ent_value(ent, val, member);
404 current_ir_graph = rem;
408 get_compound_ent_n_values(entity *ent) {
409 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
410 return (ARR_LEN (ent->values))-1;
414 get_compound_ent_value(entity *ent, int pos) {
415 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
416 return ent->values[pos+1];
419 /* Copies the value i of the entity to current_block in current_ir_graph.
421 copy_compound_ent_value(entity *ent, int pos) {
422 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
423 return copy_const_value(ent->values[pos+1]);
427 get_compound_ent_value_member(entity *ent, int pos) {
428 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
429 return ent->val_ents[pos+1];
433 set_compound_ent_value(entity *ent, ir_node *val, entity *member, int pos) {
434 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
435 ent->values[pos+1] = val;
436 ent->val_ents[pos+1] = member;
440 remove_compound_ent_value(entity *ent, entity *value_ent) {
442 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
443 for (i = 1; i < (ARR_LEN (ent->val_ents)); i++) {
444 if (ent->val_ents[i] == value_ent) {
445 for(; i < (ARR_LEN (ent->val_ents))-1; i++) {
446 ent->val_ents[i] = ent->val_ents[i+1];
447 ent->values[i] = ent->values[i+1];
449 ARR_SETLEN(entity*, ent->val_ents, ARR_LEN(ent->val_ents) - 1);
450 ARR_SETLEN(ir_node*, ent->values, ARR_LEN(ent->values) - 1);
457 set_array_entity_values(entity *ent, tarval **values, int num_vals) {
459 ir_graph *rem = current_ir_graph;
460 type *arrtp = get_entity_type(ent);
463 assert(is_array_type(arrtp));
464 assert(get_array_n_dimensions(arrtp) == 1);
465 /* One bound is sufficient, the nunmber of constant fields makes the
467 assert(get_array_lower_bound (arrtp, 0) || get_array_upper_bound (arrtp, 0));
468 assert(get_entity_variability(ent) != uninitialized);
469 current_ir_graph = get_const_code_irg();
471 for (i = 0; i < num_vals; i++) {
472 val = new_Const(get_tarval_mode (values[i]), values[i]);
473 add_compound_ent_value(ent, val, get_array_element_entity(arrtp));
475 current_ir_graph = rem;
479 get_entity_offset (entity *ent) {
484 set_entity_offset (entity *ent, int offset) {
485 ent->offset = offset;
489 add_entity_overwrites (entity *ent, entity *overwritten) {
491 assert(is_class_type(get_entity_owner(ent)));
492 ARR_APP1 (entity *, ent->overwrites, overwritten);
493 ARR_APP1 (entity *, overwritten->overwrittenby, ent);
497 get_entity_n_overwrites (entity *ent) {
499 assert(is_class_type(get_entity_owner(ent)));
500 return (ARR_LEN (ent->overwrites))-1;
504 get_entity_overwrites_index(entity *ent, entity *overwritten) {
506 assert(ent && is_class_type(get_entity_owner(ent)));
507 for (i = 0; i < get_entity_n_overwrites(ent); i++)
508 if (get_entity_overwrites(ent, i) == overwritten)
514 get_entity_overwrites (entity *ent, int pos) {
516 assert(is_class_type(get_entity_owner(ent)));
517 assert(pos < get_entity_n_overwrites(ent));
518 return ent->overwrites[pos+1];
522 set_entity_overwrites (entity *ent, int pos, entity *overwritten) {
524 assert(is_class_type(get_entity_owner(ent)));
525 assert(pos < get_entity_n_overwrites(ent));
526 ent->overwrites[pos+1] = overwritten;
530 remove_entity_overwrites(entity *ent, entity *overwritten) {
532 assert(ent && is_class_type(get_entity_owner(ent)));
533 for (i = 1; i < (ARR_LEN (ent->overwrites)); i++)
534 if (ent->overwrites[i] == overwritten) {
535 for(; i < (ARR_LEN (ent->overwrites))-1; i++)
536 ent->overwrites[i] = ent->overwrites[i+1];
537 ARR_SETLEN(entity*, ent->overwrites, ARR_LEN(ent->overwrites) - 1);
543 add_entity_overwrittenby (entity *ent, entity *overwrites) {
545 assert(is_class_type(get_entity_owner(ent)));
546 add_entity_overwrites(overwrites, ent);
550 get_entity_n_overwrittenby (entity *ent) {
552 assert(is_class_type(get_entity_owner(ent)));
553 return (ARR_LEN (ent->overwrittenby))-1;
557 get_entity_overwrittenby_index(entity *ent, entity *overwrites) {
559 assert(ent && is_class_type(get_entity_owner(ent)));
560 for (i = 0; i < get_entity_n_overwrittenby(ent); i++)
561 if (get_entity_overwrittenby(ent, i) == overwrites)
567 get_entity_overwrittenby (entity *ent, int pos) {
569 assert(is_class_type(get_entity_owner(ent)));
570 assert(pos < get_entity_n_overwrittenby(ent));
571 return ent->overwrittenby[pos+1];
575 set_entity_overwrittenby (entity *ent, int pos, entity *overwrites) {
577 assert(is_class_type(get_entity_owner(ent)));
578 assert(pos < get_entity_n_overwrittenby(ent));
579 ent->overwrittenby[pos+1] = overwrites;
582 void remove_entity_overwrittenby(entity *ent, entity *overwrites) {
584 assert(ent && is_class_type(get_entity_owner(ent)));
585 for (i = 1; i < (ARR_LEN (ent->overwrittenby)); i++)
586 if (ent->overwrittenby[i] == overwrites) {
587 for(; i < (ARR_LEN (ent->overwrittenby))-1; i++)
588 ent->overwrittenby[i] = ent->overwrittenby[i+1];
589 ARR_SETLEN(entity*, ent->overwrittenby, ARR_LEN(ent->overwrittenby) - 1);
594 /* A link to store intermediate information */
596 get_entity_link(entity *ent) {
602 set_entity_link(entity *ent, void *l) {
608 get_entity_irg(entity *ent) {
610 assert (is_method_type(ent->type));
615 set_entity_irg(entity *ent, ir_graph *irg) {
616 assert (ent && ent->type);
617 /* Wie kann man die Referenz auf einen IRG löschen, z.B. wenn die
618 * Methode selbst nicht mehr aufgerufen werden kann, die Entität
619 * aber erhalten bleiben soll. */
621 assert (is_method_type(ent->type));
622 assert (ent->peculiarity == existent);
626 int is_entity (void *thing) {
628 if (get_kind(thing) == k_entity)
634 int is_atomic_entity(entity *ent) {
635 type* t = get_entity_type(ent);
636 return (is_primitive_type(t) || is_pointer_type(t) ||
637 is_enumeration_type(t) || is_method_type(t));
640 int is_compound_entity(entity *ent) {
641 type* t = get_entity_type(ent);
642 return (is_class_type(t) || is_struct_type(t) ||
643 is_array_type(t) || is_union_type(t));
646 /* @@@ not implemnted!!! */
647 bool equal_entity(entity *ent1, entity *ent2) {
648 printf(" calling unimplemented equal entity!!! \n");
653 unsigned long get_entity_visited(entity *ent) {
657 void set_entity_visited(entity *ent, unsigned long num) {
661 /* Sets visited field in entity to entity_visited. */
662 void mark_entity_visited(entity *ent) {
664 ent->visit = type_visited;
668 INLINE bool entity_visited(entity *ent) {
669 return get_entity_visited(ent) >= type_visited;
671 INLINE bool entity_not_visited(entity *ent) {
672 return get_entity_visited(ent) < type_visited;