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);
92 /* Remember entity in it's owner. */
93 insert_entity_in_owner (res);
96 inline void free_entity_attrs(entity *ent) {
98 DEL_ARR_F(ent->overwrites);
102 copy_entity_own (entity *old, type *new_owner) {
105 assert_legal_owner_of_ent(new_owner);
106 if (old->owner == new_owner) return old;
107 new = (entity *) malloc (sizeof (entity));
108 memcpy (new, old, sizeof (entity));
109 new->owner = new_owner;
110 new->overwrites = DUP_ARR_F(entity *, old->overwrites);
112 insert_entity_in_owner (new);
118 copy_entity_name (entity *old, ident *new_name) {
121 if (old->name == new_name) return old;
122 new = (entity *) malloc (sizeof (entity));
123 memcpy (new, old, sizeof (entity));
124 new->name = new_name;
126 new->overwrites = DUP_ARR_F(entity *, old->overwrites);
128 insert_entity_in_owner (new);
134 get_entity_name (entity *ent) {
136 return id_to_str(get_entity_ident(ent));
140 get_entity_ident (entity *ent) {
146 void set_entity_ld_name (entity *, char *ld_name);
147 void set_entity_ld_ident (entity *, ident *ld_ident);
151 get_entity_owner (entity *ent) {
152 return ent->owner = skip_tid(ent->owner);
156 set_entity_owner (entity *ent, type *owner) {
157 assert_legal_owner_of_ent(owner);
161 inline void /* should this go into type.c? */
162 assert_legal_owner_of_ent(type *owner) {
163 assert (get_type_tpop_code(owner) == tpo_class ||
164 get_type_tpop_code(owner) == tpo_union ||
165 get_type_tpop_code(owner) == tpo_struct ||
166 get_type_tpop_code(owner) == tpo_array); /* Yes, array has an entity
167 -- to select fields! */
171 get_entity_ld_ident (entity *ent)
173 if (ent->ld_name == NULL)
174 ent->ld_name = mangle_entity (ent);
179 set_entity_ld_ident (entity *ent, ident *ld_ident) {
180 ent->ld_name = ld_ident;
184 get_entity_ld_name (entity *ent) {
185 return id_to_str(get_entity_ld_ident(ent));
189 char *get_entity_ld_name (entity *);
190 void set_entity_ld_name (entity *, char *ld_name);
194 get_entity_type (entity *ent) {
195 return ent->type = skip_tid(ent->type);
199 set_entity_type (entity *ent, type *type) {
204 inline ent_allocation
205 get_entity_allocation (entity *ent) {
206 return ent->allocation;
210 set_entity_allocation (entity *ent, ent_allocation al) {
211 ent->allocation = al;
215 inline ent_visibility
216 get_entity_visibility (entity *ent) {
217 return ent->visibility;
221 set_entity_visibility (entity *ent, ent_visibility vis) {
222 if (vis != local) assert(ent->allocation == static_allocated);
223 ent->visibility = vis;
226 inline ent_variability
227 get_entity_variability (entity *ent) {
228 return ent->variability;
232 set_entity_variability (entity *ent, ent_variability var){
233 if (var == part_constant)
234 assert(is_class_type(ent->type) || is_struct_type(ent->type));
235 if ((is_compound_type(ent->type)) &&
236 (ent->variability == uninitialized) && (var != uninitialized)) {
237 /* Allocate datastructures for constant values */
238 ent->values = NEW_ARR_F(ir_node *, 1);
239 ent->val_ents = NEW_ARR_F(entity *, 1);
241 if ((is_compound_type(ent->type)) &&
242 (var == uninitialized) && (ent->variability != uninitialized)) {
243 /* Free datastructures for constant values */
244 DEL_ARR_F(ent->values);
245 DEL_ARR_F(ent->val_ents);
247 ent->variability = var;
251 inline ent_volatility
252 get_entity_volatility (entity *ent) {
253 return ent->volatility;
257 set_entity_volatility (entity *ent, ent_volatility vol) {
258 ent->volatility = vol;
262 get_entity_peculiarity (entity *ent) {
264 assert (is_method_type(ent->type));
265 return ent->peculiarity;
269 set_entity_peculiarity (entity *ent, peculiarity pec) {
271 assert (is_method_type(ent->type));
272 ent->peculiarity = pec;
275 /* Set has no effect for entities of type method. */
277 get_atomic_ent_value(entity *ent) {
278 assert(ent); assert(is_atomic_entity(ent)); assert((ent->variability != uninitialized));
283 set_atomic_ent_value(entity *ent, ir_node *val) {
284 assert(ent && is_atomic_entity(ent) && (ent->variability != uninitialized));
285 if (is_method_type(ent->type)) return;
289 ir_node *copy_value(ir_node *n) {
294 switch(get_irn_opcode(n)) {
296 nn = new_Const(m, get_Const_tarval(n)); break;
298 nn = new_SymConst(get_SymConst_type_or_id(n), get_SymConst_kind(n)); break;
300 nn = new_Add(copy_value(get_Add_left(n)), copy_value(get_Add_right(n)), m); break;
302 assert(0 && "opdope invalid or not implemented"); break;
307 /* Copies the value represented by the entity to current_block
308 in current_ir_graph. */
309 ir_node *copy_atomic_ent_value(entity *ent) {
310 assert(ent && is_atomic_entity(ent) && (ent->variability != uninitialized));
311 return copy_value(ent->value);
314 /* A value of a compound entity is a pair of value and the corresponding member of
317 add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
318 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
319 ARR_APP1 (ir_node *, ent->values, val);
320 ARR_APP1 (entity *, ent->val_ents, member);
324 get_compound_ent_n_values(entity *ent) {
325 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
326 return (ARR_LEN (ent->values))-1;
330 get_compound_ent_value(entity *ent, int pos) {
331 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
332 return ent->values[pos+1];
335 /* Copies the value i of the entity to current_block in current_ir_graph. */
336 ir_node *copy_compound_ent_value(entity *ent, int pos) {
337 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
338 return copy_value(ent->values[pos+1]);
342 get_compound_ent_value_member(entity *ent, int pos) {
343 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
344 return ent->val_ents[pos+1];
348 set_compound_ent_value(entity *ent, ir_node *val, entity *member, int pos) {
349 assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
350 ent->values[pos+1] = val;
351 ent->val_ents[pos+1] = member;
355 get_entity_offset (entity *ent) {
360 set_entity_offset (entity *ent, int offset) {
361 ent->offset = offset;
365 add_entity_overwrites (entity *ent, entity *overwritten) {
367 ARR_APP1 (entity *, ent->overwrites, overwritten);
371 get_entity_n_overwrites (entity *ent){
373 return (ARR_LEN (ent->overwrites))-1;
377 get_entity_overwrites (entity *ent, int pos){
379 return ent->overwrites[pos+1];
383 set_entity_overwrites (entity *ent, int pos, entity *overwritten) {
385 ent->overwrites[pos+1] = overwritten;
388 /* A link to store intermediate information */
390 get_entity_link(entity *ent) {
396 set_entity_link(entity *ent, void *l) {
402 get_entity_irg(entity *ent) {
404 assert (is_method_type(ent->type));
409 set_entity_irg(entity *ent, ir_graph *irg) {
410 assert (ent && ent->type);
412 assert (is_method_type(ent->type));
413 assert (ent->peculiarity == existent);
417 int is_atomic_entity(entity *ent) {
418 type* t = get_entity_type(ent);
419 return (is_primitive_type(t) || is_pointer_type(t) ||
420 is_enumeration_type(t) || is_method_type(t));
423 int is_compound_entity(entity *ent) {
424 type* t = get_entity_type(ent);
425 return (is_class_type(t) || is_struct_type(t) ||
426 is_array_type(t) || is_union_type(t));