* File name: ir/tr/entity.c
* Purpose: Representation of all program known entities.
* Author: Martin Trapp, Christian Schaefer
- * Modified by: Goetz Lindenmaier
+ * Modified by: Goetz Lindenmaier, Michael Beck
* Created:
* CVS-ID: $Id$
- * Copyright: (c) 1998-2003 Universität Karlsruhe
+ * Copyright: (c) 1998-2006 Universität Karlsruhe
* Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
*/
#ifdef HAVE_CONFIG_H
-#include "config.h"
+# include "config.h"
#endif
#ifdef HAVE_STRING_H
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif
+#ifdef HAVE_STDDEF_H
# include <stddef.h>
+#endif
+#ifdef HAVE_MALLOC_H
+# include <malloc.h>
+#endif
+#ifdef HAVE_ALLOCA_H
+# include <alloca.h>
+#endif
#include "firm_common_t.h"
-# include "xmalloc.h"
-# include "entity_t.h"
-# include "mangle.h"
-# include "typegmod.h"
-# include "array.h"
-# include "irtools.h"
-# include "irhooks.h"
+#include "xmalloc.h"
+#include "entity_t.h"
+#include "mangle.h"
+#include "typegmod.h"
+#include "array.h"
+#include "irtools.h"
+#include "irhooks.h"
+#include "irprintf.h"
/* All this is needed to build the constant node for methods: */
-# include "irprog_t.h"
-# include "ircons.h"
-# include "tv_t.h"
+#include "irprog_t.h"
+#include "ircons.h"
+#include "tv_t.h"
+#include "irdump.h" /* for output if errors occur. */
-#if DEBUG_libfirm
-# include "irdump.h" /* for output if errors occur. */
-#endif
-
-# include "callgraph.h" /* for dumping debug output */
+#include "callgraph.h" /* for dumping debug output */
/*******************************************************************/
/** general **/
/*-----------------------------------------------------------------*/
static INLINE void insert_entity_in_owner (entity *ent) {
- type *owner = ent->owner;
+ ir_type *owner = ent->owner;
switch (get_type_tpop_code(owner)) {
case tpo_class: {
add_class_member (owner, ent);
* @return the new created entity
*/
static INLINE entity *
-new_rd_entity (dbg_info *db, type *owner, ident *name, type *type)
+new_rd_entity (dbg_info *db, ir_type *owner, ident *name, ir_type *type)
{
entity *res;
ir_graph *rem;
res->value = new_SymConst(sym, symconst_addr_ent);
current_ir_graph = rem;
res->variability = variability_constant;
- res->irg_add_properties = mtp_property_inherited;
- res->param_access = NULL;
- res->param_weight = NULL;
+ res->attr.mtd_attr.irg_add_properties = mtp_property_inherited;
+ res->attr.mtd_attr.vtable_number = VTABLE_NUM_NOT_SET;
+ res->attr.mtd_attr.param_access = NULL;
+ res->attr.mtd_attr.param_weight = NULL;
+ res->attr.mtd_attr.irg = NULL;
+ }
+ else if (is_compound_type(type)) {
+ res->variability = variability_uninitialized;
+ res->value = NULL;
+ res->attr.cmpd_attr.values = NULL;
+ res->attr.cmpd_attr.val_paths = NULL;
}
else {
res->variability = variability_uninitialized;
res->value = NULL;
- res->values = NULL;
- res->val_paths = NULL;
}
if (is_Class_type(owner)) {
res->overwrites = NULL;
res->overwrittenby = NULL;
}
- res->irg = NULL;
#ifdef DEBUG_libfirm
res->nr = get_irp_new_node_nr();
}
entity *
-new_d_entity (type *owner, ident *name, type *type, dbg_info *db) {
+new_d_entity (ir_type *owner, ident *name, ir_type *type, dbg_info *db) {
entity *res;
assert_legal_owner_of_ent(owner);
}
entity *
-new_entity (type *owner, ident *name, type *type) {
+new_entity (ir_type *owner, ident *name, ir_type *type) {
return new_d_entity(owner, name, type, NULL);
}
-
-
-
+/**
+ * Free entity attributes.
+ *
+ * @param ent the entity
+ */
static void free_entity_attrs(entity *ent) {
int i;
if (get_type_tpop(get_entity_owner(ent)) == type_class) {
assert(ent->overwrites == NULL);
assert(ent->overwrittenby == NULL);
}
- /* if (ent->values) DEL_ARR_F(ent->values); *//* @@@ warum nich? */
- if (ent->val_paths) {
- if (is_compound_entity(ent))
+ if (is_compound_entity(ent)) {
+ if (ent->attr.cmpd_attr.val_paths) {
for (i = 0; i < get_compound_ent_n_values(ent); i++)
- if (ent->val_paths[i]) ;
- /* free_compound_graph_path(ent->val_paths[i]) ; * @@@ warum nich? */
- /* Geht nich: wird mehrfach verwendet!!! ==> mehrfach frei gegeben. */
- /* DEL_ARR_F(ent->val_paths); */
- }
- ent->val_paths = NULL;
- ent->values = NULL;
-
- if (ent->param_access) {
- DEL_ARR_F(ent->param_access);
- ent->param_access = NULL;
+ if (ent->attr.cmpd_attr.val_paths[i]) {
+ /* free_compound_graph_path(ent->attr.cmpd_attr.val_paths[i]) ; * @@@ warum nich? */
+ /* Geht nich: wird mehrfach verwendet!!! ==> mehrfach frei gegeben. */
+ /* DEL_ARR_F(ent->attr.cmpd_attr.val_paths); */
+ }
+ ent->attr.cmpd_attr.val_paths = NULL;
+ }
+ /* if (ent->attr.cmpd_attr.values) DEL_ARR_F(ent->attr.cmpd_attr.values); *//* @@@ warum nich? */
+ ent->attr.cmpd_attr.values = NULL;
}
- if (ent->param_weight) {
- DEL_ARR_F(ent->param_weight);
- ent->param_weight = NULL;
+ else if (is_method_entity(ent)) {
+ if (ent->attr.mtd_attr.param_access) {
+ DEL_ARR_F(ent->attr.mtd_attr.param_access);
+ ent->attr.mtd_attr.param_access = NULL;
+ }
+ if (ent->attr.mtd_attr.param_weight) {
+ DEL_ARR_F(ent->attr.mtd_attr.param_weight);
+ ent->attr.mtd_attr.param_weight = NULL;
+ }
}
}
entity *
-copy_entity_own (entity *old, type *new_owner) {
+copy_entity_own (entity *old, ir_type *new_owner) {
entity *newe;
assert(old && old->kind == k_entity);
assert_legal_owner_of_ent(new_owner);
#ifdef DEBUG_libfirm
return ent->nr;
#else
- return 0;
+ return (long)PTR_TO_INT(ent);
#endif
}
ident *
(get_entity_ident)(const entity *ent) {
- return get_entity_ident(ent);
+ return _get_entity_ident(ent);
}
-type *
+void
+(set_entity_ident)(entity *ent, ident *id) {
+ _set_entity_ident(ent, id);
+}
+
+ir_type *
(get_entity_owner)(entity *ent) {
return _get_entity_owner(ent);
}
void
-set_entity_owner (entity *ent, type *owner) {
+set_entity_owner (entity *ent, ir_type *owner) {
assert(ent && ent->kind == k_entity);
assert_legal_owner_of_ent(owner);
ent->owner = owner;
}
void /* should this go into type.c? */
-assert_legal_owner_of_ent(type *owner) {
+assert_legal_owner_of_ent(ir_type *owner) {
assert(get_type_tpop_code(owner) == tpo_class ||
get_type_tpop_code(owner) == tpo_union ||
get_type_tpop_code(owner) == tpo_struct ||
return _get_entity_ld_name(ent);
}
-type *
+ir_type *
(get_entity_type)(entity *ent) {
return _get_entity_type(ent);
}
void
-(set_entity_type)(entity *ent, type *type) {
+(set_entity_type)(entity *ent, ir_type *type) {
_set_entity_type(ent, type);
}
if ((is_compound_type(ent->type)) &&
(ent->variability == variability_uninitialized) && (var != variability_uninitialized)) {
/* Allocate data structures for constant values */
- ent->values = NEW_ARR_F(ir_node *, 0);
- ent->val_paths = NEW_ARR_F(compound_graph_path *, 0);
+ ent->attr.cmpd_attr.values = NEW_ARR_F(ir_node *, 0);
+ ent->attr.cmpd_attr.val_paths = NEW_ARR_F(compound_graph_path *, 0);
}
if ((is_atomic_type(ent->type)) &&
(ent->variability == variability_uninitialized) && (var != variability_uninitialized)) {
if ((is_compound_type(ent->type)) &&
(var == variability_uninitialized) && (ent->variability != variability_uninitialized)) {
/* Free data structures for constant values */
- DEL_ARR_F(ent->values); ent->values = NULL;
- DEL_ARR_F(ent->val_paths); ent->val_paths = NULL;
+ DEL_ARR_F(ent->attr.cmpd_attr.values); ent->attr.cmpd_attr.values = NULL;
+ DEL_ARR_F(ent->attr.cmpd_attr.val_paths); ent->attr.cmpd_attr.val_paths = NULL;
}
ent->variability = var;
}
-/* return the name of the variablity */
+/* return the name of the variability */
const char *get_variability_name(ent_variability var)
{
#define X(a) case a: return #a
_set_entity_peculiarity(ent, pec);
}
-/* return the name of the peculiarity */
-const char *get_peculiarity_name(peculiarity var)
-{
-#define X(a) case a: return #a
- switch (var) {
- X(peculiarity_description);
- X(peculiarity_inherited);
- X(peculiarity_existent);
- default: return "BAD VALUE";
- }
-#undef X
-}
-
/* Get the entity's stickyness */
ent_stickyness
(get_entity_stickyness)(const entity *ent) {
/* Creates a new compound graph path. */
compound_graph_path *
-new_compound_graph_path(type *tp, int length) {
+new_compound_graph_path(ir_type *tp, int length) {
compound_graph_path *res;
assert(is_type(tp) && is_compound_type(tp));
int is_proper_compound_graph_path(compound_graph_path *gr, int pos) {
int i;
entity *node;
- type *owner = gr->tp;
+ ir_type *owner = gr->tp;
for (i = 0; i <= pos; i++) {
node = get_compound_graph_path_node(gr, i);
void
add_compound_ent_value_w_path(entity *ent, ir_node *val, compound_graph_path *path) {
assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
- ARR_APP1 (ir_node *, ent->values, val);
- ARR_APP1 (compound_graph_path *, ent->val_paths, path);
+ assert(is_compound_graph_path(path));
+ ARR_APP1(ir_node *, ent->attr.cmpd_attr.values, val);
+ ARR_APP1(compound_graph_path *, ent->attr.cmpd_attr.val_paths, path);
}
void
set_compound_ent_value_w_path(entity *ent, ir_node *val, compound_graph_path *path, int pos) {
assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
- ent->values[pos] = val;
- ent->val_paths[pos] = path;
+ assert(is_compound_graph_path(path));
+ assert(0 <= pos && pos < ARR_LEN(ent->attr.cmpd_attr.values));
+ ent->attr.cmpd_attr.values[pos] = val;
+ ent->attr.cmpd_attr.val_paths[pos] = path;
}
int
get_compound_ent_n_values(entity *ent) {
assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
- return (ARR_LEN (ent->values));
+ return ARR_LEN(ent->attr.cmpd_attr.values);
}
-ir_node *
+ir_node *
get_compound_ent_value(entity *ent, int pos) {
assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
- return ent->values[pos];
+ assert(0 <= pos && pos < ARR_LEN(ent->attr.cmpd_attr.values));
+ return ent->attr.cmpd_attr.values[pos];
}
compound_graph_path *
get_compound_ent_value_path(entity *ent, int pos) {
assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
- return ent->val_paths[pos];
+ assert(0 <= pos && pos < ARR_LEN(ent->attr.cmpd_attr.val_paths));
+ return ent->attr.cmpd_attr.val_paths[pos];
}
/**
if (len2 > len1) return 0;
for (i = 0; i < len1; i++) {
- type *tp;
+ ir_type *tp;
entity *node1 = get_compound_graph_path_node(path1, i);
entity *node2 = get_compound_graph_path_node(path2, i);
* The path must contain array indicees for all array element entities. */
int get_compound_ent_pos_by_path(entity *ent, compound_graph_path *path) {
int i, n_paths = get_compound_ent_n_values(ent);
- int *visited_indicees = (int *)xcalloc(get_compound_graph_path_length(path), sizeof(int));
+ int *visited_indicees;
+ int path_len = get_compound_graph_path_length(path);
+
+ NEW_ARR_A(int *, visited_indicees, path_len);
+ memset(visited_indicees, 0, sizeof(*visited_indicees) * path_len);
for (i = 0; i < n_paths; i ++) {
if (equal_paths(get_compound_ent_value_path(ent, i), visited_indicees, path))
return i;
remove_compound_ent_value(entity *ent, entity *value_ent) {
int i;
assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
- for (i = 0; i < (ARR_LEN (ent->val_paths)); i++) {
- compound_graph_path *path = ent->val_paths[i];
+ for (i = 0; i < (ARR_LEN(ent->attr.cmpd_attr.val_paths)); ++i) {
+ compound_graph_path *path = ent->attr.cmpd_attr.val_paths[i];
if (path->list[path->len-1].node == value_ent) {
- for(; i < (ARR_LEN (ent->val_paths))-1; i++) {
- ent->val_paths[i] = ent->val_paths[i+1];
- ent->values[i] = ent->values[i+1];
+ for (; i < (ARR_LEN(ent->attr.cmpd_attr.val_paths))-1; ++i) {
+ ent->attr.cmpd_attr.val_paths[i] = ent->attr.cmpd_attr.val_paths[i+1];
+ ent->attr.cmpd_attr.values[i] = ent->attr.cmpd_attr.values[i+1];
}
- ARR_SETLEN(entity*, ent->val_paths, ARR_LEN(ent->val_paths) - 1);
- ARR_SETLEN(ir_node*, ent->values, ARR_LEN(ent->values) - 1);
+ ARR_SETLEN(entity*, ent->attr.cmpd_attr.val_paths, ARR_LEN(ent->attr.cmpd_attr.val_paths) - 1);
+ ARR_SETLEN(ir_node*, ent->attr.cmpd_attr.values, ARR_LEN(ent->attr.cmpd_attr.values) - 1);
break;
}
}
void
add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
compound_graph_path *path;
- type *owner_tp = get_entity_owner(member);
+ ir_type *owner_tp = get_entity_owner(member);
assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
path = new_compound_graph_path(get_entity_type(ent), 1);
path->list[0].node = member;
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_type *arrtp = get_entity_type(ent);
ir_node *val;
- type *elttp = get_array_element_type(arrtp);
+ ir_type *elttp = get_array_element_type(arrtp);
assert(is_Array_type(arrtp));
assert(get_array_n_dimensions(arrtp) == 1);
for (i = 0; i < path_len; ++i) {
entity *node = get_compound_graph_path_node(path, i);
- type *node_tp = get_entity_type(node);
- type *owner_tp = get_entity_owner(node);
+ ir_type *node_tp = get_entity_type(node);
+ ir_type *owner_tp = get_entity_owner(node);
if (is_Array_type(owner_tp)) {
int size = get_type_size_bits(node_tp);
int align = get_type_alignment_bits(node_tp);
}
-static void init_index(type *arr) {
+static void init_index(ir_type *arr) {
int init;
int dim = 0;
static int get_next_index(entity *elem_ent) {
- type *arr = get_entity_owner(elem_ent);
+ ir_type *arr = get_entity_owner(elem_ent);
int next;
int dim = 0;
* evaluate the index against the upper bound.)
*/
void compute_compound_ent_array_indicees(entity *ent) {
- type *tp = get_entity_type(ent);
+ ir_type *tp = get_entity_type(ent);
int i, n_vals;
entity *unknown_bound_entity = NULL;
int j, path_len = get_compound_graph_path_length(path);
for (j = 0; j < path_len; ++j) {
entity *node = get_compound_graph_path_node(path, j);
- type *elem_tp = get_entity_type(node);
+ ir_type *elem_tp = get_entity_type(node);
if (is_Array_type(elem_tp)) {
int dim = 0;
int j, path_len = get_compound_graph_path_length(path);
for (j = 0; j < path_len; ++j) {
entity *node = get_compound_graph_path_node(path, j);
- type *owner_tp = get_entity_owner(node);
+ ir_type *owner_tp = get_entity_owner(node);
if (is_Array_type(owner_tp))
set_compound_graph_path_array_index (path, j, get_next_index(node));
}
A second iteration now permutes the actual elements into two
new arrays. */
void sort_compound_ent_values(entity *ent) {
- type *tp;
+ ir_type *tp;
int i, n_vals;
int tp_size;
int size;
}
free(permutation);
- DEL_ARR_F(ent->values);
- ent->values = my_values;
- DEL_ARR_F(ent->val_paths);
- ent->val_paths = my_paths;
+ DEL_ARR_F(ent->attr.cmpd_attr.values);
+ ent->attr.cmpd_attr.values = my_values;
+ DEL_ARR_F(ent->attr.cmpd_attr.val_paths);
+ ent->attr.cmpd_attr.val_paths = my_paths;
}
int
void
set_entity_irg(entity *ent, ir_graph *irg) {
- assert(ent && is_Method_type(get_entity_type(ent)));
+ assert(ent && is_method_entity(ent));
/* 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? Wandle die Entitaet in description oder
&& (ent -> visibility == visibility_external_allocated)) ||
(!irg && ent->peculiarity == peculiarity_description) ||
(!irg && ent->peculiarity == peculiarity_inherited));
- ent->irg = irg;
+ ent->attr.mtd_attr.irg = irg;
+}
+
+unsigned get_entity_vtable_number(entity *ent) {
+ assert(ent && is_method_entity(ent));
+ return ent->attr.mtd_attr.vtable_number;
+}
+
+void set_entity_vtable_number(entity *ent, unsigned vtable_number) {
+ assert(ent && is_method_entity(ent));
+ ent->attr.mtd_attr.vtable_number = vtable_number;
}
int
}
int is_atomic_entity(entity *ent) {
- type* t = get_entity_type(ent);
+ ir_type *t = get_entity_type(ent);
assert(ent && ent->kind == k_entity);
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);
+ ir_type *t = get_entity_type(ent);
assert(ent && ent->kind == k_entity);
return (is_Class_type(t) || is_Struct_type(t) ||
is_Array_type(t) || is_Union_type(t));
}
+int is_method_entity(entity *ent) {
+ ir_type *t = get_entity_type(ent);
+ assert(ent && ent->kind == k_entity);
+ return (is_Method_type(t));
+}
+
/**
* @todo not implemented!!! */
int equal_entity(entity *ent1, entity *ent2) {
unsigned get_entity_additional_properties(entity *ent) {
ir_graph *irg;
- assert(is_Method_type(get_entity_type(ent)));
+ assert(is_method_entity(ent));
/* first check, if the graph has additional properties */
irg = get_entity_irg(ent);
if (irg)
return get_irg_additional_properties(irg);
- if (ent->irg_add_properties & mtp_property_inherited)
+ if (ent->attr.mtd_attr.irg_add_properties & mtp_property_inherited)
return get_method_additional_properties(get_entity_type(ent));
- return ent->irg_add_properties;
+ return ent->attr.mtd_attr.irg_add_properties;
}
/* Sets the mask of the additional graph properties. */
{
ir_graph *irg;
- assert(is_Method_type(get_entity_type(ent)));
+ assert(is_method_entity(ent));
/* first check, if the graph exists */
irg = get_entity_irg(ent);
else {
/* do not allow to set the mtp_property_inherited flag or
* the automatic inheritance of flags will not work */
- ent->irg_add_properties = property_mask & ~mtp_property_inherited;
+ ent->attr.mtd_attr.irg_add_properties = property_mask & ~mtp_property_inherited;
}
}
{
ir_graph *irg;
- assert(is_Method_type(get_entity_type(ent)));
+ assert(is_method_entity(ent));
/* first check, if the graph exists */
irg = get_entity_irg(ent);
if (irg)
set_irg_additional_property(irg, flag);
else {
- unsigned mask = ent->irg_add_properties;
+ unsigned mask = ent->attr.mtd_attr.irg_add_properties;
if (mask & mtp_property_inherited)
mask = get_method_additional_properties(get_entity_type(ent));
/* do not allow to set the mtp_property_inherited flag or
* the automatic inheritance of flags will not work */
- ent->irg_add_properties = mask | (flag & ~mtp_property_inherited);
+ ent->attr.mtd_attr.irg_add_properties = mask | (flag & ~mtp_property_inherited);
}
}
+/* Initialize entity module. */
void firm_init_entity(void)
{
symconst_symbol sym;
assert(firm_unknown_type && "Call init_type() before firm_init_entity()!");
assert(!unknown_entity && "Call firm_init_entity() only once!");
+
unknown_entity = new_rd_entity(NULL, firm_unknown_type, new_id_from_str(UNKNOWN_ENTITY_NAME), firm_unknown_type);
set_entity_visibility(unknown_entity, visibility_external_allocated);
set_entity_ld_ident(unknown_entity, get_entity_ident(unknown_entity));
- sym.entity_p = unknown_entity;
- current_ir_graph = get_const_code_irg();
+ current_ir_graph = get_const_code_irg();
+ sym.entity_p = unknown_entity;
unknown_entity->value = new_SymConst(sym, symconst_addr_ent);
}