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: */
26 /*******************************************************************/
28 /*******************************************************************/
35 /*******************************************************************/
37 /*******************************************************************/
39 INLINE type *get_entity_owner (entity *ent);
41 INLINE void insert_entity_in_owner (entity *ent) {
42 type *owner = ent->owner;
43 switch (get_type_tpop_code(owner)) {
45 add_class_member (owner, ent);
48 add_struct_member (owner, ent);
51 add_union_member (owner, ent);
54 set_array_element_entity(owner, ent);
61 new_entity (type *owner, ident *name, type *type)
66 res = (entity *) malloc (sizeof (entity));
68 assert_legal_owner_of_ent(owner);
72 if (get_type_tpop(type) == type_method)
73 res->allocation = static_allocated;
75 res->allocation = automatic_allocated;
76 res->visibility = local;
78 if (is_method_type(type)) {
79 res->variability = constant;
80 rem = current_ir_graph;
81 current_ir_graph = get_const_code_irg();
82 res->value = new_Const(mode_P, tarval_P_from_entity(res));
83 current_ir_graph = rem;
85 res->variability = uninitialized;
87 res->peculiarity = existent;
88 res->volatility = non_volatile;
90 res->overwrites = NEW_ARR_F(entity *, 1);
91 res->overwrittenby = NEW_ARR_F(entity *, 1);
97 /* Remember entity in it's owner. */
98 insert_entity_in_owner (res);
102 new_d_entity (type *owner, ident *name, type *type, dbg_info *db) {
103 entity *res = new_entity(owner, name, type);
104 set_entity_dbg_info(res, db);
107 INLINE void free_entity_attrs(entity *ent) {
109 if (get_type_tpop(get_entity_owner(ent)) == type_class) {
110 DEL_ARR_F(ent->overwrites);
111 DEL_ARR_F(ent->overwrittenby);
116 copy_entity_own (entity *old, type *new_owner) {
119 assert_legal_owner_of_ent(new_owner);
120 if (old->owner == new_owner) return old;
121 new = (entity *) malloc (sizeof (entity));
122 memcpy (new, old, sizeof (entity));
123 new->owner = new_owner;
124 if ((get_type_tpop(get_entity_owner(old)) == type_class) &&
125 (get_type_tpop(new_owner) == type_class)) {
126 new->overwrites = DUP_ARR_F(entity *, old->overwrites);
127 new->overwrittenby = DUP_ARR_F(entity *, old->overwrittenby);
128 } else if ((get_type_tpop(get_entity_owner(old)) != type_class) &&
129 (get_type_tpop(new_owner) == type_class)) {
130 new->overwrites = NEW_ARR_F(entity *, 1);
131 new->overwrittenby = NEW_ARR_F(entity *, 1);
134 insert_entity_in_owner (new);
140 copy_entity_name (entity *old, ident *new_name) {
143 if (old->name == new_name) return old;
144 new = (entity *) malloc (sizeof (entity));
145 memcpy (new, old, sizeof (entity));
146 new->name = new_name;
148 new->overwrites = DUP_ARR_F(entity *, old->overwrites);
149 new->overwrittenby = DUP_ARR_F(entity *, old->overwrittenby);
151 insert_entity_in_owner (new);
157 free_entity (entity *ent) {
158 free_entity_attrs(ent);
163 get_entity_name (entity *ent) {
165 return id_to_str(get_entity_ident(ent));
169 get_entity_ident (entity *ent) {
175 void set_entitye_ld_name (entity *, char *ld_name);
176 void set_entity_ld_ident (entity *, ident *ld_ident);
180 get_entity_owner (entity *ent) {
181 return ent->owner = skip_tid(ent->owner);
185 set_entity_owner (entity *ent, type *owner) {
186 assert_legal_owner_of_ent(owner);
190 INLINE void /* should this go into type.c? */
191 assert_legal_owner_of_ent(type *owner) {
192 assert (get_type_tpop_code(owner) == tpo_class ||
193 get_type_tpop_code(owner) == tpo_union ||
194 get_type_tpop_code(owner) == tpo_struct ||
195 get_type_tpop_code(owner) == tpo_array); /* Yes, array has an entity
196 -- to select fields! */
200 get_entity_ld_ident (entity *ent)
202 if (ent->ld_name == NULL)
203 ent->ld_name = mangle_entity (ent);
208 set_entity_ld_ident (entity *ent, ident *ld_ident) {
209 ent->ld_name = ld_ident;
213 get_entity_ld_name (entity *ent) {
214 return id_to_str(get_entity_ld_ident(ent));
218 char *get_entity_ld_name (entity *);
219 void set_entity_ld_name (entity *, char *ld_name);
223 get_entity_type (entity *ent) {
224 return ent->type = skip_tid(ent->type);
228 set_entity_type (entity *ent, type *type) {
233 INLINE ent_allocation
234 get_entity_allocation (entity *ent) {
235 return ent->allocation;
239 set_entity_allocation (entity *ent, ent_allocation al) {
240 ent->allocation = al;
244 INLINE ent_visibility
245 get_entity_visibility (entity *ent) {
246 return ent->visibility;
250 set_entity_visibility (entity *ent, ent_visibility vis) {
252 assert((ent->allocation == static_allocated) ||
253 (ent->allocation == automatic_allocated));
254 // @@@ Test that the owner type is not local, but how??
255 // && get_class_visibility(get_entity_owner(ent)) != local));
256 ent->visibility = vis;
259 INLINE ent_variability
260 get_entity_variability (entity *ent) {
261 return ent->variability;
265 set_entity_variability (entity *ent, ent_variability var){
266 if (var == part_constant)
267 assert(is_class_type(ent->type) || is_struct_type(ent->type));
268 if ((is_compound_type(ent->type)) &&
269 (ent->variability == uninitialized) && (var != uninitialized)) {
270 /* Allocate datastructures for constant values */
271 ent->values = NEW_ARR_F(ir_node *, 1);
272 ent->val_ents = NEW_ARR_F(entity *, 1);
274 if ((is_compound_type(ent->type)) &&
275 (var == uninitialized) && (ent->variability != uninitialized)) {
276 /* Free datastructures for constant values */
277 DEL_ARR_F(ent->values);
278 DEL_ARR_F(ent->val_ents);
280 ent->variability = var;
284 INLINE ent_volatility
285 get_entity_volatility (entity *ent) {
287 return ent->volatility;
291 set_entity_volatility (entity *ent, ent_volatility vol) {
293 ent->volatility = vol;
297 get_entity_peculiarity (entity *ent) {
299 return ent->peculiarity;
303 set_entity_peculiarity (entity *ent, peculiarity pec) {
305 /* @@@ why peculiarity only for methods? */
306 assert (is_method_type(ent->type));
307 ent->peculiarity = pec;
310 /* Set has no effect for entities of type method. */
312 get_atomic_ent_value(entity *ent) {
313 assert(ent); assert(is_atomic_entity(ent));
314 assert((ent->variability != uninitialized));
319 set_atomic_ent_value(entity *ent, ir_node *val) {
320 assert(ent && is_atomic_entity(ent) && (ent->variability != uninitialized));
321 if (is_method_type(ent->type)) return;
326 ir_node *copy_const_value(ir_node *n) {
331 switch(get_irn_opcode(n)) {
333 nn = new_Const(m, get_Const_tarval(n)); break;
335 nn = new_SymConst(get_SymConst_type_or_id(n), get_SymConst_kind(n)); break;
337 nn = new_Add(copy_const_value(get_Add_left(n)), copy_const_value(get_Add_right(n)), m); break;
339 assert(0 && "opdope invalid or not implemented"); break;
344 /* A value of a compound entity is a pair of value and the corresponding member of
347 add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
348 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
349 ARR_APP1 (ir_node *, ent->values, val);
350 ARR_APP1 (entity *, ent->val_ents, member);
353 /* Copies the firm subgraph referenced by val to const_code_irg and adds
354 the node as constant initialization to ent.
355 The subgraph may not contain control flow operations.
357 copy_and_add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
358 ir_graph *rem = current_ir_graph;
360 assert(get_entity_variability(ent) != uninitialized);
361 current_ir_graph = get_const_code_irg();
363 val = copy_const_value(val);
364 add_compound_ent_value(ent, val, member);
365 current_ir_graph = rem;
369 get_compound_ent_n_values(entity *ent) {
370 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
371 return (ARR_LEN (ent->values))-1;
375 get_compound_ent_value(entity *ent, int pos) {
376 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
377 return ent->values[pos+1];
380 /* Copies the value i of the entity to current_block in current_ir_graph.
382 copy_compound_ent_value(entity *ent, int pos) {
383 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
384 return copy_const_value(ent->values[pos+1]);
388 get_compound_ent_value_member(entity *ent, int pos) {
389 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
390 return ent->val_ents[pos+1];
394 set_compound_ent_value(entity *ent, ir_node *val, entity *member, int pos) {
395 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
396 ent->values[pos+1] = val;
397 ent->val_ents[pos+1] = member;
401 remove_compound_ent_value(entity *ent, entity *value_ent) {
403 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
404 for (i = 1; i < (ARR_LEN (ent->val_ents)); i++) {
405 if (ent->val_ents[i] == value_ent) {
406 for(; i < (ARR_LEN (ent->val_ents))-1; i++) {
407 ent->val_ents[i] = ent->val_ents[i+1];
408 ent->values[i] = ent->values[i+1];
410 ARR_SETLEN(entity*, ent->val_ents, ARR_LEN(ent->val_ents) - 1);
411 ARR_SETLEN(ir_node*, ent->values, ARR_LEN(ent->values) - 1);
418 set_array_entity_values(entity *ent, tarval **values, int num_vals) {
420 ir_graph *rem = current_ir_graph;
421 type *arrtp = get_entity_type(ent);
424 assert(is_array_type(arrtp));
425 assert(get_array_n_dimensions(arrtp) == 1);
426 /* One bound is sufficient, the nunmber of constant fields makes the
428 assert(get_array_lower_bound (arrtp, 0) || get_array_upper_bound (arrtp, 0));
429 assert(get_entity_variability(ent) != uninitialized);
430 current_ir_graph = get_const_code_irg();
432 for (i = 0; i < num_vals; i++) {
433 val = new_Const(get_tv_mode (values[i]), values[i]);
434 add_compound_ent_value(ent, val, get_array_element_entity(arrtp));
436 current_ir_graph = rem;
440 get_entity_offset (entity *ent) {
445 set_entity_offset (entity *ent, int offset) {
446 ent->offset = offset;
450 add_entity_overwrites (entity *ent, entity *overwritten) {
452 assert(is_class_type(get_entity_owner(ent)));
453 ARR_APP1 (entity *, ent->overwrites, overwritten);
454 ARR_APP1 (entity *, overwritten->overwrittenby, ent);
458 get_entity_n_overwrites (entity *ent) {
460 assert(is_class_type(get_entity_owner(ent)));
461 return (ARR_LEN (ent->overwrites))-1;
465 get_entity_overwrites (entity *ent, int pos) {
467 assert(is_class_type(get_entity_owner(ent)));
468 assert(pos < get_entity_n_overwrites(ent));
469 return ent->overwrites[pos+1];
473 set_entity_overwrites (entity *ent, int pos, entity *overwritten) {
475 assert(is_class_type(get_entity_owner(ent)));
476 assert(pos < get_entity_n_overwrites(ent));
477 ent->overwrites[pos+1] = overwritten;
481 add_entity_overwrittenby (entity *ent, entity *overwrites) {
483 assert(is_class_type(get_entity_owner(ent)));
484 add_entity_overwrites(overwrites, ent);
488 get_entity_n_overwrittenby (entity *ent) {
490 assert(is_class_type(get_entity_owner(ent)));
491 return (ARR_LEN (ent->overwrittenby))-1;
495 get_entity_overwrittenby (entity *ent, int pos) {
497 assert(is_class_type(get_entity_owner(ent)));
498 assert(pos < get_entity_n_overwrittenby(ent));
499 return ent->overwrittenby[pos+1];
503 set_entity_overwrittenby (entity *ent, int pos, entity *overwrites) {
505 assert(is_class_type(get_entity_owner(ent)));
506 assert(pos < get_entity_n_overwrittenby(ent));
507 ent->overwrittenby[pos+1] = overwrites;
510 /* A link to store intermediate information */
512 get_entity_link(entity *ent) {
518 set_entity_link(entity *ent, void *l) {
524 get_entity_irg(entity *ent) {
526 assert (is_method_type(ent->type));
531 set_entity_irg(entity *ent, ir_graph *irg) {
532 assert (ent && ent->type);
533 /* Wie kann man die Referenz auf einen IRG löschen, z.B. wenn die
534 * Methode selbst nicht mehr aufgerufen werden kann, die Entität
535 * aber erhalten bleiben soll. */
537 assert (is_method_type(ent->type));
538 assert (ent->peculiarity == existent);
542 int is_atomic_entity(entity *ent) {
543 type* t = get_entity_type(ent);
544 return (is_primitive_type(t) || is_pointer_type(t) ||
545 is_enumeration_type(t) || is_method_type(t));
548 int is_compound_entity(entity *ent) {
549 type* t = get_entity_type(ent);
550 return (is_class_type(t) || is_struct_type(t) ||
551 is_array_type(t) || is_union_type(t));
554 /* @@@ not implemnted!!! */
555 bool equal_entity(entity *ent1, entity *ent2) {
556 printf(" calling unimplemented equal entity!!! \n");
561 unsigned long get_entity_visited(entity *ent) {
565 void set_entity_visited(entity *ent, unsigned long num) {
569 /* Sets visited field in entity to entity_visited. */
570 void mark_entity_visited(entity *ent) {
572 ent->visit = type_visited;