X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Ftr%2Fentity.c;h=14c895ad3709a1fe9b88c51af5f8cfc1ef91b60d;hb=e683a3e23ede57c176578db22c4a72050f101369;hp=b9b50f18c86f6a374be3736366332059408427a5;hpb=2da89aec2e7d54d70940cccfa82f74c83e5221eb;p=libfirm

diff --git a/ir/tr/entity.c b/ir/tr/entity.c
index b9b50f18c..14c895ad3 100644
--- a/ir/tr/entity.c
+++ b/ir/tr/entity.c
@@ -5,20 +5,30 @@
 **
 */
 
+/* $Id$ */
+
 #ifdef HAVE_CONFIG_H
 # include <config.h>
 #endif
 
 # include <stdlib.h>
 # include <stddef.h>
+# include <string.h>
+
 # include "entity_t.h"
 # include "mangle.h"
 # include "typegmod_t.h"
+# include "array.h"
+/* All this is needed to build the constant node for methods: */
+# include "irprog.h"
+# include "ircons.h"
 
 /*******************************************************************/
 /** general                                                       **/
 /*******************************************************************/
 
+unsigned long entity_visited;
+
 void
 init_entity (void)
 {
@@ -28,7 +38,7 @@ init_entity (void)
 /** ENTITY                                                        **/
 /*******************************************************************/
 
-inline void insert_entity_in_owner (entity *ent) {
+INLINE void insert_entity_in_owner (entity *ent) {
   type *owner = ent->owner;
   switch (get_type_tpop_code(owner)) {
   case tpo_class: {
@@ -51,6 +61,7 @@ entity *
 new_entity (type *owner, ident *name, type *type)
 {
   entity *res;
+  ir_graph *rem;
 
   res = (entity *) malloc (sizeof (entity));
   res->kind = k_entity;
@@ -58,9 +69,28 @@ new_entity (type *owner, ident *name, type *type)
   res->owner = owner;
   res->name = name;
   res->type = type;
-  res->allocation = dynamic_allocated;
+  if (get_type_tpop(type) == type_method)
+    res->allocation = static_allocated;
+  else
+    res->allocation = automatic_allocated;
   res->visibility = local;
+  res->offset = -1;
+  if (is_method_type(type)) {
+    res->variability = constant;
+    rem = current_ir_graph;
+    current_ir_graph = get_const_code_irg();
+    res->value = new_Const(mode_p, tarval_p_from_entity(res));
+    current_ir_graph = rem;
+  } else {
+    res->variability = uninitialized;
+  }
+  res->peculiarity = existent;
+  res->volatility = non_volatile;
   res->ld_name = NULL;
+  res->overwrites = NEW_ARR_F(entity *, 1);
+  res->overwrittenby = NEW_ARR_F(entity *, 1);
+
+  res->irg = NULL;
 
   res->visit = 0;
 
@@ -69,6 +99,14 @@ new_entity (type *owner, ident *name, type *type)
   return res;
 }
 
+INLINE void free_entity_attrs(entity *ent) {
+  assert(ent);
+  if (get_type_tpop(get_entity_owner(ent)) == type_class) {
+    DEL_ARR_F(ent->overwrites);
+    DEL_ARR_F(ent->overwrittenby);
+  }
+}
+
 entity *
 copy_entity_own (entity *old, type *new_owner) {
   entity *new;
@@ -78,6 +116,15 @@ copy_entity_own (entity *old, type *new_owner) {
   new = (entity *) malloc (sizeof (entity));
   memcpy (new, old, sizeof (entity));
   new->owner = new_owner;
+  if ((get_type_tpop(get_entity_owner(old)) == type_class) &&
+      (get_type_tpop(new_owner) == type_class)) {
+    new->overwrites = DUP_ARR_F(entity *, old->overwrites);
+    new->overwrittenby = DUP_ARR_F(entity *, old->overwrittenby);
+  } else if ((get_type_tpop(get_entity_owner(old)) != type_class) &&
+	     (get_type_tpop(new_owner) == type_class)) {
+    new->overwrites = NEW_ARR_F(entity *, 1);
+    new->overwrittenby = NEW_ARR_F(entity *, 1);
+  }
 
   insert_entity_in_owner (new);
 
@@ -93,13 +140,21 @@ copy_entity_name (entity *old, ident *new_name) {
   memcpy (new, old, sizeof (entity));
   new->name = new_name;
   new->ld_name = NULL;
+  new->overwrites = DUP_ARR_F(entity *, old->overwrites);
+  new->overwrittenby = DUP_ARR_F(entity *, old->overwrittenby);
 
   insert_entity_in_owner (new);
 
   return new;
 }
 
-inline const char *
+void
+free_entity (entity *ent) {
+  free_entity_attrs(ent);
+  free(ent);
+}
+
+INLINE const char *
 get_entity_name (entity *ent) {
   assert (ent);
   return id_to_str(get_entity_ident(ent));
@@ -112,22 +167,22 @@ get_entity_ident    (entity *ent) {
 }
 
 /*
-void   set_entity_ld_name  (entity *, char *ld_name);
+void   set_entitye_ld_name  (entity *, char *ld_name);
 void   set_entity_ld_ident (entity *, ident *ld_ident);
 */
 
-inline type *
+INLINE type *
 get_entity_owner (entity *ent) {
   return ent->owner = skip_tid(ent->owner);
 }
 
-inline void
+INLINE void
 set_entity_owner (entity *ent, type *owner) {
   assert_legal_owner_of_ent(owner);
   ent->owner = owner;
 }
 
-inline void   /* should this go into type.c? */
+INLINE void   /* should this go into type.c? */
 assert_legal_owner_of_ent(type *owner) {
   assert (get_type_tpop_code(owner) == tpo_class ||
           get_type_tpop_code(owner) == tpo_union ||
@@ -136,7 +191,7 @@ assert_legal_owner_of_ent(type *owner) {
 							-- to select fields! */
 }
 
-inline ident *
+INLINE ident *
 get_entity_ld_ident (entity *ent)
 {
   if (ent->ld_name == NULL)
@@ -144,70 +199,347 @@ get_entity_ld_ident (entity *ent)
   return ent->ld_name;
 }
 
-inline void
+INLINE void
 set_entity_ld_ident (entity *ent, ident *ld_ident) {
   ent->ld_name = ld_ident;
 }
 
+INLINE const char *
+get_entity_ld_name (entity *ent) {
+  return id_to_str(get_entity_ld_ident(ent));
+}
+
 /*
 char  *get_entity_ld_name  (entity *);
 void   set_entity_ld_name  (entity *, char *ld_name);
 */
 
-inline type *
+INLINE type *
 get_entity_type (entity *ent) {
   return ent->type = skip_tid(ent->type);
 }
 
-inline void
+INLINE void
 set_entity_type (entity *ent, type *type) {
   ent->type = type;
 }
 
 
-inline ent_allocation
+INLINE ent_allocation
 get_entity_allocation (entity *ent) {
   return ent->allocation;
 }
 
-inline void
+INLINE void
 set_entity_allocation (entity *ent, ent_allocation al) {
   ent->allocation = al;
 }
 
 
-inline ent_visibility
+INLINE ent_visibility
 get_entity_visibility (entity *ent) {
   return ent->visibility;
 }
 
-inline void
+INLINE void
 set_entity_visibility (entity *ent, ent_visibility vis) {
   if (vis != local) assert(ent->allocation == static_allocated);
   ent->visibility = vis;
 }
 
-inline int
+INLINE ent_variability
+get_entity_variability (entity *ent) {
+  return ent->variability;
+}
+
+INLINE void
+set_entity_variability (entity *ent, ent_variability var){
+  if (var == part_constant)
+    assert(is_class_type(ent->type) || is_struct_type(ent->type));
+  if ((is_compound_type(ent->type)) &&
+      (ent->variability == uninitialized) && (var != uninitialized)) {
+    /* Allocate datastructures for constant values */
+    ent->values = NEW_ARR_F(ir_node *, 1);
+    ent->val_ents = NEW_ARR_F(entity *, 1);
+  }
+  if ((is_compound_type(ent->type)) &&
+      (var == uninitialized) && (ent->variability != uninitialized)) {
+    /* Free datastructures for constant values */
+    DEL_ARR_F(ent->values);
+    DEL_ARR_F(ent->val_ents);
+  }
+  ent->variability = var;
+}
+
+
+INLINE ent_volatility
+get_entity_volatility (entity *ent) {
+  assert (ent);
+  return ent->volatility;
+}
+
+INLINE void
+set_entity_volatility (entity *ent, ent_volatility vol) {
+  assert (ent);
+  ent->volatility = vol;
+}
+
+INLINE peculiarity
+get_entity_peculiarity (entity *ent) {
+  assert (ent);
+  return ent->peculiarity;
+}
+
+INLINE void
+set_entity_peculiarity (entity *ent, peculiarity pec) {
+  assert (ent);
+  /* @@@ why peculiarity only for methods? */
+  assert (is_method_type(ent->type));
+  ent->peculiarity = pec;
+}
+
+/* Set has no effect for entities of type method. */
+INLINE ir_node *
+get_atomic_ent_value(entity *ent) {
+  assert(ent); assert(is_atomic_entity(ent));
+  assert((ent->variability != uninitialized));
+  return ent->value;
+}
+
+INLINE void
+set_atomic_ent_value(entity *ent, ir_node *val) {
+  assert(ent && is_atomic_entity(ent) && (ent->variability != uninitialized));
+  if (is_method_type(ent->type)) return;
+  ent->value = val;
+}
+
+
+ir_node *copy_const_value(ir_node *n) {
+  ir_node *nn;
+  ir_mode *m;
+
+  m = get_irn_mode(n);
+  switch(get_irn_opcode(n)) {
+  case iro_Const:
+    nn = new_Const(m, get_Const_tarval(n)); break;
+  case iro_SymConst:
+    nn = new_SymConst(get_SymConst_type_or_id(n), get_SymConst_kind(n)); break;
+  case iro_Add:
+    nn = new_Add(copy_const_value(get_Add_left(n)), copy_const_value(get_Add_right(n)), m); break;
+  default:
+    assert(0 && "opdope invalid or not implemented"); break;
+  }
+  return nn;
+}
+
+/* A value of a compound entity is a pair of value and the corresponding member of
+   the compound. */
+INLINE void
+add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
+  assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
+  ARR_APP1 (ir_node *, ent->values, val);
+  ARR_APP1 (entity *, ent->val_ents, member);
+}
+
+/* Copies the firm subgraph referenced by val to const_code_irg and adds
+   the node as constant initialization to ent.
+   The subgraph may not contain control flow operations.
+INLINE void
+copy_and_add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
+  ir_graph *rem = current_ir_graph;
+
+  assert(get_entity_variability(ent) != uninitialized);
+  current_ir_graph = get_const_code_irg();
+
+  val = copy_const_value(val);
+  add_compound_ent_value(ent, val, member);
+  current_ir_graph = rem;
+  }*/
+
+INLINE int
+get_compound_ent_n_values(entity *ent) {
+  assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
+  return (ARR_LEN (ent->values))-1;
+}
+
+INLINE ir_node  *
+get_compound_ent_value(entity *ent, int pos) {
+  assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
+  return ent->values[pos+1];
+}
+
+/* Copies the value i of the entity to current_block in current_ir_graph.
+ir_node *
+copy_compound_ent_value(entity *ent, int pos) {
+  assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
+  return copy_const_value(ent->values[pos+1]);
+  }*/
+
+INLINE entity   *
+get_compound_ent_value_member(entity *ent, int pos) {
+  assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
+  return ent->val_ents[pos+1];
+}
+
+INLINE void
+set_compound_ent_value(entity *ent, ir_node *val, entity *member, int pos) {
+  assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
+  ent->values[pos+1] = val;
+  ent->val_ents[pos+1] = member;
+}
+
+void
+set_array_entity_values(entity *ent, tarval **values, int num_vals) {
+  int i;
+  ir_graph *rem = current_ir_graph;
+  type *arrtp = get_entity_type(ent);
+  ir_node *val;
+
+  assert(is_array_type(arrtp));
+  assert(get_array_n_dimensions(arrtp) == 1);
+  /* One bound is sufficient, the nunmber of constant fields makes the
+     size. */
+  assert(get_array_lower_bound (arrtp, 0) || get_array_upper_bound (arrtp, 0));
+  assert(get_entity_variability(ent) != uninitialized);
+  current_ir_graph = get_const_code_irg();
+
+  for (i = 0; i < num_vals; i++) {
+    val = new_Const(get_tv_mode (values[i]), values[i]);
+    add_compound_ent_value(ent, val, get_array_element_entity(arrtp));
+  }
+  current_ir_graph = rem;
+}
+
+INLINE int
 get_entity_offset (entity *ent) {
   return ent->offset;
 }
 
-inline void
+INLINE void
 set_entity_offset (entity *ent, int offset) {
   ent->offset = offset;
 }
 
-inline ir_graph *
+INLINE void
+add_entity_overwrites   (entity *ent, entity *overwritten) {
+  assert(ent);
+  assert(is_class_type(get_entity_owner(ent)));
+  ARR_APP1 (entity *, ent->overwrites, overwritten);
+  ARR_APP1 (entity *, overwritten->overwrittenby, ent);
+}
+
+INLINE int
+get_entity_n_overwrites (entity *ent) {
+  assert(ent);
+  assert(is_class_type(get_entity_owner(ent)));
+  return (ARR_LEN (ent->overwrites))-1;
+}
+
+INLINE entity *
+get_entity_overwrites   (entity *ent, int pos) {
+  assert(ent);
+  assert(is_class_type(get_entity_owner(ent)));
+  assert(pos < get_entity_n_overwrites(ent));
+  return ent->overwrites[pos+1];
+}
+
+INLINE void
+set_entity_overwrites   (entity *ent, int pos, entity *overwritten) {
+  assert(ent);
+  assert(is_class_type(get_entity_owner(ent)));
+  assert(pos < get_entity_n_overwrites(ent));
+  ent->overwrites[pos+1] = overwritten;
+}
+
+INLINE void
+add_entity_overwrittenby   (entity *ent, entity *overwrites) {
+  assert(ent);
+  assert(is_class_type(get_entity_owner(ent)));
+  add_entity_overwrites(overwrites, ent);
+}
+
+INLINE int
+get_entity_n_overwrittenby (entity *ent) {
+  assert(ent);
+  assert(is_class_type(get_entity_owner(ent)));
+  return (ARR_LEN (ent->overwrittenby))-1;
+}
+
+INLINE entity *
+get_entity_overwrittenby   (entity *ent, int pos) {
+  assert(ent);
+  assert(is_class_type(get_entity_owner(ent)));
+  assert(pos < get_entity_n_overwrittenby(ent));
+  return ent->overwrittenby[pos+1];
+}
+
+INLINE void
+set_entity_overwrittenby   (entity *ent, int pos, entity *overwrites) {
+  assert(ent);
+  assert(is_class_type(get_entity_owner(ent)));
+  assert(pos < get_entity_n_overwrittenby(ent));
+  ent->overwrittenby[pos+1] = overwrites;
+}
+
+/* A link to store intermediate information */
+void *
+get_entity_link(entity *ent) {
+  assert(ent);
+  return ent->link;
+}
+
+void
+set_entity_link(entity *ent, void *l) {
+  assert(ent);
+  ent->link = l;
+}
+
+INLINE ir_graph *
 get_entity_irg(entity *ent) {
   assert (ent);
   assert (is_method_type(ent->type));
   return ent->irg;
 }
 
-inline void
+INLINE void
 set_entity_irg(entity *ent, ir_graph *irg) {
   assert (ent && ent->type);
-  assert (irg);
+  /* Wie kann man die Referenz auf einen IRG löschen, z.B. wenn die
+   * Methode selbst nicht mehr aufgerufen werden kann, die Entität
+   * aber erhalten bleiben soll. */
+  /* assert (irg); */
   assert (is_method_type(ent->type));
+  assert (ent->peculiarity == existent);
   ent->irg = irg;
 }
+
+int is_atomic_entity(entity *ent) {
+  type* t = get_entity_type(ent);
+  return (is_primitive_type(t) || is_pointer_type(t) ||
+	  is_enumeration_type(t) || is_method_type(t));
+}
+
+int is_compound_entity(entity *ent) {
+  type* t = get_entity_type(ent);
+  return (is_class_type(t) || is_struct_type(t) ||
+	  is_array_type(t) || is_union_type(t));
+}
+
+bool equal_entity(entity *ent1, entity *ent2) {
+  return true;
+}
+
+
+unsigned long get_entity_visited(entity *entity) {
+  assert (entity);
+  return entity->visit;
+}
+void        set_entity_visited(entity *entity, unsigned long num) {
+  assert (entity);
+  entity->visit = num;
+}
+/* Sets visited field in entity to entity_visited. */
+void        mark_entity_visited(entity *entity) {
+  assert (entity);
+  entity->visit = entity_visited;
+}