-/*10 2002/03/19 13:08:33
-* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-* All rights reserved.
-*
-* Authors: Martin Trapp, Christian Schaefer,
-* Goetz Lindenmaier
-*
-* entity.h: entities represent all program known objects.
-*
-* An entity is the representation of program known objects in Firm.
-* The primary concept of entities is to represent members of complex
-* types, i.e., fields and methods of classes. As not all programming
-* language model all variables and methods as members of some class,
-* the concept of entities is extended to cover also local and global
-* variables, and arbitrary procedures.
-*
-* An entity always specifies the type of the object it represents and
-* the type of the object it is a part of, the owner of the entity.
-* Originally this is the type of the class of which the entity is a
-* member.
-* The owner of local variables is the procedure they are defined in.
-* The owner of global variables and procedures visible in the whole
-* program is a universally defined class type "GlobalType". The owner
-* of procedures defined in the scope of an other procedure is the
-* enclosing procedure.
-*
-*/
-
-/* $Id$ */
+/*
+ * Project: libFIRM
+ * File name: ir/tr/entity_t.h
+ * Purpose: Representation of all program known entities -- private header.
+ * Author: Martin Trapp, Christian Schaefer
+ * Modified by: Goetz Lindenmaier
+ * Created:
+ * CVS-ID: $Id$
+ * Copyright: (c) 1998-2003 Universität Karlsruhe
+ * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ */
+
+/**
+ * @file entity_t.h
+ *
+ * entity.h: entities represent all program known objects.
+ *
+ * @author Martin Trapp, Christian Schaefer, Goetz Lindenmaier
+ *
+ * An entity is the representation of program known objects in Firm.
+ * The primary concept of entities is to represent members of complex
+ * types, i.e., fields and methods of classes. As not all programming
+ * language model all variables and methods as members of some class,
+ * the concept of entities is extended to cover also local and global
+ * variables, and arbitrary procedures.
+ *
+ * An entity always specifies the type of the object it represents and
+ * the type of the object it is a part of, the owner of the entity.
+ * Originally this is the type of the class of which the entity is a
+ * member.
+ * The owner of local variables is the procedure they are defined in.
+ * The owner of global variables and procedures visible in the whole
+ * program is a universally defined class type "GlobalType". The owner
+ * of procedures defined in the scope of an other procedure is the
+ * enclosing procedure.
+ */
# ifndef _ENTITY_T_H_
# define _ENTITY_T_H_
+#include "firm_common_t.h"
+
# include "entity.h"
+# include "typegmod.h"
+# include "mangle.h"
+
+
+/** A path in a compund graph. */
+struct compound_graph_path {
+ firm_kind kind; /**< dynamic type tag for compound graph path. */
+ type *tp; /**< The type this path belongs to. */
+ int len; /**< length of the path */
+ int *arr_indicees; /**< List of array indicees. To compute position of
+ array elements */
+ entity *nodes[1]; /**< List of entities of length len to express the
+ access path. */
+};
+/** the type of an entity */
struct entity {
firm_kind kind; /**< dynamic type tag for entity. */
ident *name; /**< name of this entity */
basic type of the language or a class itself */
type *owner; /**< The compound type (e.g. class type) this entity belongs to. */
ent_allocation allocation; /**< Distinguishes static and dynamically allocated
- entities and some further cases. */
+ entities and some further cases. */
ent_visibility visibility; /**< Specifies visibility to external program
- fragments */
+ fragments */
ent_variability variability; /**< Specifies variability of entities content */
ent_volatility volatility; /**< Specifies volatility of entities content */
- int offset; /**< Offset in byte for this entity. Fixed when layout
+ ent_stickyness stickyness; /**< Specifies whether this entity is sticky */
+ int offset; /**< Offset in bits for this entity. Fixed when layout
of owner is determined. */
void *link; /**< To store some intermediate information */
unsigned long visit; /**< visited counter for walks of the type information */
struct dbg_info* dbi; /**< A pointer to information for debug support. */
/* ------------- fields for atomic entities ---------------*/
+
ir_node *value; /**< value if entity is not of variability uninitialized.
Only for atomic entities. */
/* ------------- fields for compound entities ---------------*/
+
ir_node **values; /**< constant values of compound entities. Only available if
- variablility not uninitialized. Must be set for variability constant
+ variablility not uninitialized. Must be set for variability constant
*/
- entity **val_ents; /**< entities corresponding to constant values. Only available if
- variablility not uninitialized. Must be set for variability constant */
+ compound_graph_path **val_paths; /**< paths corresponding to constant values. Only available if
+ variablility not uninitialized. Must be set for variability constant */
/* ------------- fields for entities owned by a class type ---------------*/
- entity **overwrites; /**< A list of entities this entity overwrites. */
+
+ entity **overwrites; /**< A list of entities this entity overwrites. */
entity **overwrittenby; /**< A list of entities that overwrite this entity. */
/* ------------- fields for methods ---------------*/
+
enum peculiarity peculiarity;
ir_graph *irg; /**< If (type == method_type) this is the corresponding irg.
The ir_graph constructor automatically sets this field.
Yes, it must be here. */
+
+ /* ------------- fields for analyses ---------------*/
+
+ ir_node **accesses; /**< accessing nodes: loads, stores. */
+
+#ifdef DEBUG_libfirm
+ int nr; /**< a unique node number for each node to make output
+ readable. */
+#endif
};
+/* ----------------------- inline functions ------------------------ */
+static INLINE int
+__is_entity(const void *thing) {
+ return get_kind(thing) == k_entity;
+}
+
+static INLINE const char *
+__get_entity_name(const entity *ent) {
+ assert(ent && ent->kind == k_entity);
+ return get_id_str(get_entity_ident(ent));
+}
+
+static INLINE ident *
+__get_entity_ident(const entity *ent) {
+ assert(ent && ent->kind == k_entity);
+ return ent->name;
+}
+
+static INLINE type *
+__get_entity_owner(entity *ent) {
+ assert(ent && ent->kind == k_entity);
+ return ent->owner = skip_tid(ent->owner);
+}
+
+static INLINE ident *
+__get_entity_ld_ident(entity *ent)
+{
+ assert(ent && ent->kind == k_entity);
+ if (ent->ld_name == NULL)
+ ent->ld_name = mangle_entity(ent);
+ return ent->ld_name;
+}
+
+static INLINE void
+__set_entity_ld_ident(entity *ent, ident *ld_ident) {
+ assert(ent && ent->kind == k_entity);
+ ent->ld_name = ld_ident;
+}
+
+static INLINE const char *
+__get_entity_ld_name(entity *ent) {
+ assert(ent && ent->kind == k_entity);
+ return get_id_str(get_entity_ld_ident(ent));
+}
+
+static INLINE type *
+__get_entity_type(entity *ent) {
+ assert(ent && ent->kind == k_entity);
+ return ent->type = skip_tid(ent->type);
+}
+
+static INLINE void
+__set_entity_type(entity *ent, type *type) {
+ assert(ent && ent->kind == k_entity);
+ ent->type = type;
+}
+
+static INLINE ent_allocation
+__get_entity_allocation(const entity *ent) {
+ assert(ent && ent->kind == k_entity);
+ return ent->allocation;
+}
+
+static INLINE void
+__set_entity_allocation(entity *ent, ent_allocation al) {
+ assert(ent && ent->kind == k_entity);
+ ent->allocation = al;
+}
+
+static INLINE ent_visibility
+__get_entity_visibility(const entity *ent) {
+ assert(ent && ent->kind == k_entity);
+ return ent->visibility;
+}
+
+static INLINE ent_variability
+__get_entity_variability(const entity *ent) {
+ assert(ent && ent->kind == k_entity);
+ return ent->variability;
+}
+
+static INLINE ent_volatility
+__get_entity_volatility(const entity *ent) {
+ assert(ent && ent->kind == k_entity);
+ return ent->volatility;
+}
+
+static INLINE void
+__set_entity_volatility(entity *ent, ent_volatility vol) {
+ assert(ent && ent->kind == k_entity);
+ ent->volatility = vol;
+}
+
+static INLINE peculiarity
+__get_entity_peculiarity(const entity *ent) {
+ assert(ent && ent->kind == k_entity);
+ return ent->peculiarity;
+}
+
+/**
+ * @todo why peculiarity only for methods
+ */
+static INLINE void
+__set_entity_peculiarity(entity *ent, peculiarity pec) {
+ assert(ent && ent->kind == k_entity);
+ /* @@@ why peculiarity only for methods? */
+ assert(is_method_type(ent->type));
+ ent->peculiarity = pec;
+}
+
+static INLINE ent_stickyness
+__get_entity_stickyness(const entity *ent) {
+ assert(ent && ent->kind == k_entity);
+ return ent->stickyness;
+}
+
+static INLINE void
+__set_entity_stickyness(entity *ent, ent_stickyness stickyness)
+{
+ assert(ent && ent->kind == k_entity);
+ ent->stickyness = stickyness;
+}
+
+static INLINE int
+__get_entity_offset_bits(const entity *ent) {
+ assert(ent && ent->kind == k_entity);
+ return ent->offset;
+}
+
+static INLINE int
+__get_entity_offset_bytes(const entity *ent) {
+ int bits = __get_entity_offset_bits(ent);
+
+ if (bits & 7) return -1;
+ return bits >> 3;
+}
+
+static INLINE void
+__set_entity_offset_bits(entity *ent, int offset) {
+ assert(ent && ent->kind == k_entity);
+ ent->offset = offset;
+}
+
+static INLINE void
+__set_entity_offset_bytes(entity *ent, int offset) {
+ __set_entity_offset_bits(ent, offset * 8);
+}
+
+static INLINE void *
+__get_entity_link(const entity *ent) {
+ assert(ent && ent->kind == k_entity);
+ return ent->link;
+}
+
+static INLINE void
+__set_entity_link(entity *ent, void *l) {
+ assert(ent && ent->kind == k_entity);
+ ent->link = l;
+}
+
+static INLINE ir_graph *
+__get_entity_irg(const entity *ent) {
+ assert(ent && ent->kind == k_entity);
+ assert(is_method_type(ent->type));
+ return ent->irg;
+}
+
+#define is_entity(thing) __is_entity(thing)
+#define get_entity_name(ent) __get_entity_name(ent)
+#define get_entity_ident(ent) __get_entity_ident(ent)
+#define get_entity_owner(ent) __get_entity_owner(ent)
+#define get_entity_ld_ident(ent) __get_entity_ld_ident(ent)
+#define set_entity_ld_ident(ent, ld_ident) __set_entity_ld_ident(ent, ld_ident)
+#define get_entity_ld_name(ent) __get_entity_ld_name(ent)
+#define get_entity_type(ent) __get_entity_type(ent)
+#define set_entity_type(ent, type) __set_entity_type(ent, type)
+#define get_entity_allocation(ent) __get_entity_allocation(ent)
+#define set_entity_allocation(ent, al) __set_entity_allocation(ent, al)
+#define get_entity_visibility(ent) __get_entity_visibility(ent)
+#define get_entity_variability(ent) __get_entity_variability(ent)
+#define get_entity_volatility(ent) __get_entity_volatility(ent)
+#define set_entity_volatility(ent, vol) __set_entity_volatility(ent, vol)
+#define get_entity_peculiarity(ent) __get_entity_peculiarity(ent)
+#define set_entity_peculiarity(ent, pec) __set_entity_peculiarity(ent, pec)
+#define get_entity_stickyness(ent) __get_entity_stickyness(ent)
+#define set_entity_stickyness(ent, stickyness) __set_entity_stickyness(ent, stickyness)
+#define get_entity_offset_bits(ent) __get_entity_offset_bits(ent)
+#define get_entity_offset_bytes(ent) __get_entity_offset_bytes(ent)
+#define set_entity_offset_bits(ent, offset) __set_entity_offset_bits(ent, offset)
+#define set_entity_offset_bytes(ent, offset) __set_entity_offset_bytes(ent, offset)
+#define get_entity_link(ent) __get_entity_link(ent)
+#define set_entity_link(ent, l) __set_entity_link(ent, l)
+#define get_entity_irg(ent) __get_entity_irg(ent)
# endif /* _ENTITY_T_H_ */