1 /* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
2 ** All rights reserved.
4 ** Authors: Martin Trapp, Christian Schaefer
16 # include "entity_t.h"
18 # include "typegmod_t.h"
20 /* All this is needed to build the constant node for methods: */
24 /*******************************************************************/
26 /*******************************************************************/
33 /*******************************************************************/
35 /*******************************************************************/
37 inline void insert_entity_in_owner (entity *ent) {
38 type *owner = ent->owner;
39 switch (get_type_tpop_code(owner)) {
41 add_class_member (owner, ent);
44 add_struct_member (owner, ent);
47 add_union_member (owner, ent);
50 set_array_element_entity(owner, ent);
57 new_entity (type *owner, ident *name, type *type)
62 res = (entity *) malloc (sizeof (entity));
64 assert_legal_owner_of_ent(owner);
68 if (get_type_tpop(type) == type_method)
69 res->allocation = static_allocated;
71 res->allocation = automatic_allocated;
72 res->visibility = local;
74 if (is_method_type(type)) {
75 res->variability = constant;
76 rem = current_ir_graph;
77 current_ir_graph = get_const_code_irg();
78 res->value = new_Const(mode_p, tarval_p_from_entity(res));
79 current_ir_graph = rem;
81 res->variability = uninitialized;
83 res->peculiarity = existent;
84 res->volatility = non_volatile;
86 res->overwrites = NEW_ARR_F(entity *, 1);
87 res->overwrittenby = NEW_ARR_F(entity *, 1);
93 /* Remember entity in it's owner. */
94 insert_entity_in_owner (res);
97 inline void free_entity_attrs(entity *ent) {
99 DEL_ARR_F(ent->overwrites);
100 DEL_ARR_F(ent->overwrittenby);
104 copy_entity_own (entity *old, type *new_owner) {
107 assert_legal_owner_of_ent(new_owner);
108 if (old->owner == new_owner) return old;
109 new = (entity *) malloc (sizeof (entity));
110 memcpy (new, old, sizeof (entity));
111 new->owner = new_owner;
112 new->overwrites = DUP_ARR_F(entity *, old->overwrites);
113 new->overwrittenby = DUP_ARR_F(entity *, old->overwrittenby);
115 insert_entity_in_owner (new);
121 copy_entity_name (entity *old, ident *new_name) {
124 if (old->name == new_name) return old;
125 new = (entity *) malloc (sizeof (entity));
126 memcpy (new, old, sizeof (entity));
127 new->name = new_name;
129 new->overwrites = DUP_ARR_F(entity *, old->overwrites);
130 new->overwrittenby = DUP_ARR_F(entity *, old->overwrittenby);
132 insert_entity_in_owner (new);
138 get_entity_name (entity *ent) {
140 return id_to_str(get_entity_ident(ent));
144 get_entity_ident (entity *ent) {
150 void set_entity_ld_name (entity *, char *ld_name);
151 void set_entity_ld_ident (entity *, ident *ld_ident);
155 get_entity_owner (entity *ent) {
156 return ent->owner = skip_tid(ent->owner);
160 set_entity_owner (entity *ent, type *owner) {
161 assert_legal_owner_of_ent(owner);
165 inline void /* should this go into type.c? */
166 assert_legal_owner_of_ent(type *owner) {
167 assert (get_type_tpop_code(owner) == tpo_class ||
168 get_type_tpop_code(owner) == tpo_union ||
169 get_type_tpop_code(owner) == tpo_struct ||
170 get_type_tpop_code(owner) == tpo_array); /* Yes, array has an entity
171 -- to select fields! */
175 get_entity_ld_ident (entity *ent)
177 if (ent->ld_name == NULL)
178 ent->ld_name = mangle_entity (ent);
183 set_entity_ld_ident (entity *ent, ident *ld_ident) {
184 ent->ld_name = ld_ident;
188 get_entity_ld_name (entity *ent) {
189 return id_to_str(get_entity_ld_ident(ent));
193 char *get_entity_ld_name (entity *);
194 void set_entity_ld_name (entity *, char *ld_name);
198 get_entity_type (entity *ent) {
199 return ent->type = skip_tid(ent->type);
203 set_entity_type (entity *ent, type *type) {
208 inline ent_allocation
209 get_entity_allocation (entity *ent) {
210 return ent->allocation;
214 set_entity_allocation (entity *ent, ent_allocation al) {
215 ent->allocation = al;
219 inline ent_visibility
220 get_entity_visibility (entity *ent) {
221 return ent->visibility;
225 set_entity_visibility (entity *ent, ent_visibility vis) {
226 if (vis != local) assert(ent->allocation == static_allocated);
227 ent->visibility = vis;
230 inline ent_variability
231 get_entity_variability (entity *ent) {
232 return ent->variability;
236 set_entity_variability (entity *ent, ent_variability var){
237 if (var == part_constant)
238 assert(is_class_type(ent->type) || is_struct_type(ent->type));
239 if ((is_compound_type(ent->type)) &&
240 (ent->variability == uninitialized) && (var != uninitialized)) {
241 /* Allocate datastructures for constant values */
242 ent->values = NEW_ARR_F(ir_node *, 1);
243 ent->val_ents = NEW_ARR_F(entity *, 1);
245 if ((is_compound_type(ent->type)) &&
246 (var == uninitialized) && (ent->variability != uninitialized)) {
247 /* Free datastructures for constant values */
248 DEL_ARR_F(ent->values);
249 DEL_ARR_F(ent->val_ents);
251 ent->variability = var;
255 inline ent_volatility
256 get_entity_volatility (entity *ent) {
257 return ent->volatility;
261 set_entity_volatility (entity *ent, ent_volatility vol) {
262 ent->volatility = vol;
266 get_entity_peculiarity (entity *ent) {
268 //assert (is_method_type(ent->type));
269 return ent->peculiarity;
273 set_entity_peculiarity (entity *ent, peculiarity pec) {
275 assert (is_method_type(ent->type));
276 ent->peculiarity = pec;
279 /* Set has no effect for entities of type method. */
281 get_atomic_ent_value(entity *ent) {
282 assert(ent); assert(is_atomic_entity(ent));
283 assert((ent->variability != uninitialized));
288 set_atomic_ent_value(entity *ent, ir_node *val) {
289 assert(ent && is_atomic_entity(ent) && (ent->variability != uninitialized));
290 if (is_method_type(ent->type)) return;
294 ir_node *copy_value(ir_node *n) {
299 switch(get_irn_opcode(n)) {
301 nn = new_Const(m, get_Const_tarval(n)); break;
303 nn = new_SymConst(get_SymConst_type_or_id(n), get_SymConst_kind(n)); break;
305 nn = new_Add(copy_value(get_Add_left(n)), copy_value(get_Add_right(n)), m); break;
307 assert(0 && "opdope invalid or not implemented"); break;
312 /* Copies the value represented by the entity to current_block
313 in current_ir_graph. */
314 ir_node *copy_atomic_ent_value(entity *ent) {
315 assert(ent && is_atomic_entity(ent) && (ent->variability != uninitialized));
316 return copy_value(ent->value);
319 /* A value of a compound entity is a pair of value and the corresponding member of
322 add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
323 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
324 ARR_APP1 (ir_node *, ent->values, val);
325 ARR_APP1 (entity *, ent->val_ents, member);
329 get_compound_ent_n_values(entity *ent) {
330 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
331 return (ARR_LEN (ent->values))-1;
335 get_compound_ent_value(entity *ent, int pos) {
336 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
337 return ent->values[pos+1];
340 /* Copies the value i of the entity to current_block in current_ir_graph. */
341 ir_node *copy_compound_ent_value(entity *ent, int pos) {
342 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
343 return copy_value(ent->values[pos+1]);
347 get_compound_ent_value_member(entity *ent, int pos) {
348 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
349 return ent->val_ents[pos+1];
353 set_compound_ent_value(entity *ent, ir_node *val, entity *member, int pos) {
354 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
355 ent->values[pos+1] = val;
356 ent->val_ents[pos+1] = member;
360 set_array_entity_values(entity *ent, tarval **values, int num_vals) {
362 ir_graph *rem = current_ir_graph;
363 type *arrtp = get_entity_type(ent);
366 assert(is_array_type(arrtp));
367 assert(get_array_n_dimensions(arrtp) == 1);
368 /* One bound is sufficient, the nunmber of constant fields makes the
370 assert(get_array_lower_bound (arrtp, 0) || get_array_upper_bound (arrtp, 0));
371 assert(get_entity_variability(ent) != uninitialized);
372 current_ir_graph = get_const_code_irg();
374 for (i = 0; i < num_vals; i++) {
375 val = new_Const(get_tv_mode (values[i]), values[i]);
376 add_compound_ent_value(ent, val, get_array_element_entity(arrtp));
378 current_ir_graph = rem;
382 get_entity_offset (entity *ent) {
387 set_entity_offset (entity *ent, int offset) {
388 ent->offset = offset;
392 add_entity_overwrites (entity *ent, entity *overwritten) {
394 assert(is_class_type(get_entity_owner(ent)));
395 ARR_APP1 (entity *, ent->overwrites, overwritten);
396 ARR_APP1 (entity *, overwritten->overwrittenby, ent);
400 get_entity_n_overwrites (entity *ent) {
402 assert(is_class_type(get_entity_owner(ent)));
403 return (ARR_LEN (ent->overwrites))-1;
407 get_entity_overwrites (entity *ent, int pos) {
409 assert(is_class_type(get_entity_owner(ent)));
410 assert(pos < get_entity_n_overwrites(ent));
411 return ent->overwrites[pos+1];
415 set_entity_overwrites (entity *ent, int pos, entity *overwritten) {
417 assert(is_class_type(get_entity_owner(ent)));
418 assert(pos < get_entity_n_overwrites(ent));
419 ent->overwrites[pos+1] = overwritten;
423 add_entity_overwrittenby (entity *ent, entity *overwrites) {
425 assert(is_class_type(get_entity_owner(ent)));
426 add_entity_overwrites(overwrites, ent);
430 get_entity_n_overwrittenby (entity *ent) {
432 assert(is_class_type(get_entity_owner(ent)));
433 return (ARR_LEN (ent->overwrittenby))-1;
437 get_entity_overwrittenby (entity *ent, int pos) {
439 assert(is_class_type(get_entity_owner(ent)));
440 assert(pos < get_entity_n_overwrittenby(ent));
441 return ent->overwrittenby[pos+1];
445 set_entity_overwrittenby (entity *ent, int pos, entity *overwrites) {
447 assert(is_class_type(get_entity_owner(ent)));
448 assert(pos < get_entity_n_overwrittenby(ent));
449 ent->overwrittenby[pos+1] = overwrites;
452 /* A link to store intermediate information */
454 get_entity_link(entity *ent) {
460 set_entity_link(entity *ent, void *l) {
466 get_entity_irg(entity *ent) {
468 assert (is_method_type(ent->type));
473 set_entity_irg(entity *ent, ir_graph *irg) {
474 assert (ent && ent->type);
476 assert (is_method_type(ent->type));
477 assert (ent->peculiarity == existent);
481 int is_atomic_entity(entity *ent) {
482 type* t = get_entity_type(ent);
483 return (is_primitive_type(t) || is_pointer_type(t) ||
484 is_enumeration_type(t) || is_method_type(t));
487 int is_compound_entity(entity *ent) {
488 type* t = get_entity_type(ent);
489 return (is_class_type(t) || is_struct_type(t) ||
490 is_array_type(t) || is_union_type(t));