* - int offset: Offset in bits for this entity. Fixed when layout
* of owner is determined.
* - ir_graph *irg: If (type == method_type) this is the corresponding irg.
-* The ir_graph constructor automatically sets this field.
+* The ir_graph constructor automatically sets this field.
* If (type != method_type) access of this field will cause
* an assertion.
*/
-/* $Id$ */
-
# ifndef _ENTITY_H_
# define _ENTITY_H_
# include "type.h"
# include "dbginfo.h"
+# include "tr_inheritance.h"
+
/*-----------------------------------------------------------------*/
/* general */
/*-----------------------------------------------------------------*/
*
* Automatically inserts the new entity as a member of owner.
* Resets the overwrites/overwritten_by fields.
+ * Keeps the old atomic value.
+ * @@@ Maybe we should change this. If peculiarity of a method
+ * is existent, we should add a new SymConst that points to
+ * itself and not to the origin. Right now we have to change
+ * the peculiarity and then set a new atomic value by hand.
*/
entity *copy_entity_own (entity *old, type *new_owner);
*
* Automatically inserts the new entity as a member of owner.
* The mangled name ld_name is set to NULL.
+ * Overwrites relation is copied from old.
*/
entity *copy_entity_name (entity *old, ident *new_name);
allocation_automatic, /**< The entity is allocated during runtime, implicitly
as component of a compound type. This is the default. */
allocation_parameter, /**< The entity is a parameter. It is also automatic allocated.
- We distinguish the allocation of paramters from the allocation
+ We distinguish the allocation of parameters from the allocation
of local variables as their placement depends on the calling
conventions. */
allocation_dynamic, /**< The entity is allocated during runtime, explicitly
/** Return the name of the allocation type. */
const char *get_allocation_name(ent_allocation vis);
-/**
- * This enumeration flags the visibility of entities. This is necessary
- * for partial compilation.
- */
-typedef enum {
- visibility_local, /**< The entity is only visible locally. This is the default. */
- visibility_external_visible, /**< The entity is visible to other external program parts, but
- it is defined here. It may not be optimized away. The entity must
- be static_allocated. */
- visibility_external_allocated /**< The entity is defined and allocated externally. This compilation
- must not allocate memory for this entity. The entity must
- be static_allocated. This can also be an external defined
- method. */
-} ent_visibility;
-
/** Returns the visibility of an entity. */
-ent_visibility get_entity_visibility (const entity *ent);
+visibility get_entity_visibility (const entity *ent);
/** Sets the visibility of an entity. */
-void set_entity_visibility (entity *ent, ent_visibility vis);
+void set_entity_visibility (entity *ent, visibility vis);
/** Return the name of the visibility */
-const char *get_visibility_name(ent_visibility vis);
+const char *get_visibility_name(visibility vis);
/** This enumeration flags the variability of entities. */
typedef enum {
int get_compound_graph_path_array_index(compound_graph_path *gr, int pos);
void set_compound_graph_path_array_index(compound_graph_path *gr, int pos, int index);
+/** Checks whether the path up to pos is correct. If the path contains a NULL,
+ * assumes the path is not complete and returns 'true'. */
+int is_proper_compound_graph_path(compound_graph_path *gr, int pos);
+
/* A value of a compound entity is a pair of a value and the description of the
corresponding access path to the member of the compound. */
void add_compound_ent_value_w_path(entity *ent, ir_node *val, compound_graph_path *path);
* Asserts if the entity has variability_uninitialized.
* */
int get_compound_ent_n_values(entity *ent);
+/** Returns a constant value given the position. */
ir_node *get_compound_ent_value(entity *ent, int pos);
+/** Returns the access path for value at position pos. */
compound_graph_path *get_compound_ent_value_path(entity *ent, int pos);
+/** Returns the position of a value with the given path.
+ * The path must contain array indicees for all array element entities. */
+int get_compound_ent_pos_by_path(entity *ent, compound_graph_path *path);
+/** Returns a constant value given the access path.
+ * The path must contain array indicees for all array element entities. */
+ir_node *get_compound_ent_value_by_path(entity *ent, compound_graph_path *path);
/** Removes all constant entries where the path ends at value_ent. Does not
free the memory of the paths. (The same path might be used for several
*/
bool equal_entity(entity *ent1, entity *ent2);
-
/** Outputs a unique number for this entity if libfirm is compiled for
debugging, (configure with --enable-debug) else returns 0. */
long get_entity_nr(entity *ent);
/** Returns true if this entity was not visited. */
bool entity_not_visited(entity *ent);
-/** Returns the dynamically referenced entity if the static entity and the
- * dynamic type are given. */
-entity *resolve_ent_polymorphy(type *dynamic_class, entity* static_ent);
-
/**
* @page unknown_entity
*
* visibility = visibility_external_allocated
* offset = -1
* variability = variability_uninitialized
- * value = NULL
+ * value = SymConst(unknown_entity)
* values = NULL
* val_paths = NULL
* peculiarity = peculiarity_existent