*
* - owner: A compound type this entity is a part of.
* - type: The type of this entity.
- * - name: The string that represents this entity in the source program. * - allocation: A flag saying whether the entity is dynamically or statically * allocated (values: dynamic_allocated, static_allocated,
+ * - name: The string that represents this entity in the source program.
+ * - allocation: A flag saying whether the entity is dynamically or statically
+ * allocated (values: dynamic_allocated, static_allocated,
* automatic_allocated).
* - visibility: A flag indicating the visibility of this entity (values: local,
* external_visible, external_allocated)
This serves better as opposition to description _and_ inherited.*/
} ir_peculiarity;
-/**
- * Additional method type properties:
- * Tell about special properties of a method type. Some
- * of these may be discovered by analyses.
- */
-typedef enum {
- mtp_no_property = 0x00000000, /**< no additional properties, default */
- mtp_property_const = 0x00000001, /**< This method did not access memory and calculates
- its return values solely from its parameters.
- GCC: __attribute__((const)). */
- mtp_property_pure = 0x00000002, /**< This method did NOT write to memory and calculates
- its return values solely from its parameters and
- the memory they points to (or global vars).
- GCC: __attribute__((pure)). */
- mtp_property_noreturn = 0x00000004, /**< This method did not return due to an aborting system
- call.
- GCC: __attribute__((noreturn)). */
- mtp_property_nothrow = 0x00000008, /**< This method cannot throw an exception.
- GCC: __attribute__((nothrow)). */
- mtp_property_naked = 0x00000010, /**< This method is naked.
- GCC: __attribute__((naked)). */
- mtp_property_malloc = 0x00000020, /**< This method returns newly allocate memory.
- GCC: __attribute__((malloc)). */
- mtp_property_intrinsic = 0x00000040, /**< This method is intrinsic. It is expected that
- a lowering phase will remove all calls to it. */
- mtp_property_runtime = 0x00000080, /**< This method represents a runtime routine. */
- mtp_property_private = 0x00000100, /**< All method invocations are known, the backend is free to
- optimize the call in any possible way. */
- mtp_property_inherited = (1<<31) /**< Internal. Used only in irg's, means property is
- inherited from type. */
-} mtp_additional_property;
-
/**
* Creates a new entity.
*
void set_entity_backend_marked(ir_entity *ent, int flag);
/**
- * The state of the address_taken flag.
+ * Bitfield type indicating the way an entity is used.
*/
typedef enum {
- ir_address_not_taken = 0, /**< The address is NOT taken. */
- ir_address_taken_unknown = 1, /**< The state of the address taken flag is unknown. */
- ir_address_taken = 2 /**< The address IS taken. */
-} ir_address_taken_state;
-
-/** Return the state of the address taken flag of an entity. */
-ir_address_taken_state get_entity_address_taken(const ir_entity *ent);
+ ir_usage_none = 0, /**< This entity is unused. */
+ ir_usage_address_taken = 1 << 0, /**< The address of this entity was taken. */
+ ir_usage_write = 1 << 1, /**< The entity was written to. */
+ ir_usage_read = 1 << 2, /**< The entity was read. */
+ ir_usage_reinterpret_cast = 1 << 3, /**< The entity was read but with a wrong mode
+ (an implicit reinterpret cast) */
+ /** Unknown access */
+ ir_usage_unknown
+ = ir_usage_address_taken | ir_usage_write | ir_usage_read
+ | ir_usage_reinterpret_cast
+} ir_entity_usage;
+
+/** Return the entity usage */
+ir_entity_usage get_entity_usage(const ir_entity *ent);
/** Sets/resets the state of the address taken flag of an entity. */
-void set_entity_address_taken(ir_entity *ent, ir_address_taken_state flag);
-
-/** Return the name of the address_taken state. */
-const char *get_address_taken_state_name(ir_address_taken_state state);
+void set_entity_usage(ir_entity *ent, ir_entity_usage flag);
/**
* Returns the debug information of an entity.
/** the kind (type) of an initializer */
typedef enum ir_initializer_kind_t {
- /* initializer containing an ir_node from the const-code irg */
+ /** initializer containing an ir_node from the const-code irg */
IR_INITIALIZER_CONST,
- /* initializer containing a tarval */
+ /** initializer containing a tarval */
IR_INITIALIZER_TARVAL,
- /* initializes type with default values (usually 0) */
+ /** initializes type with default values (usually 0) */
IR_INITIALIZER_NULL,
- /* list of initializers used to initializer a compound or array type */
+ /** list of initializers used to initializer a compound or array type */
IR_INITIALIZER_COMPOUND
} ir_initializer_kind_t;
/** Returns the length of a graph path */
int get_compound_graph_path_length(const compound_graph_path *gr);
+/** Get the entity node of an compound graph path at position pos. */
ir_entity *get_compound_graph_path_node(const compound_graph_path *gr, int pos);
-void set_compound_graph_path_node(compound_graph_path *gr, int pos, ir_entity *node);
-int get_compound_graph_path_array_index(const compound_graph_path *gr, int pos);
-void set_compound_graph_path_array_index(compound_graph_path *gr, int pos, int index);
+/** Set the entity node of an compound graph path at position pos. */
+void set_compound_graph_path_node(compound_graph_path *gr, int pos, ir_entity *node);
+/** Get the index of an compound graph path at position pos. */
+int get_compound_graph_path_array_index(const compound_graph_path *gr, int pos);
+/** Set the index of an compound graph path at position pos. */
+void set_compound_graph_path_array_index(compound_graph_path *gr, int pos, int index);
+/** Get the type of an compound graph path. */
+ir_type *get_compound_graph_path_type(const compound_graph_path *gr);
/** Checks whether the path up to pos is correct. If the path contains a NULL,
* assumes the path is not complete and returns non-zero. */
/** Sets the path at pos 0 */
void set_compound_ent_value(ir_entity *ent, ir_node *val, ir_entity *member, int pos);
+/** Sets the new style initializers of an entity. */
void set_entity_initializer(ir_entity *entity, ir_initializer_t *initializer);
+/** Return the new style initializers of an entity. */
ir_initializer_t *get_entity_initializer(const ir_entity *entity);
/** Initializes the entity ent which must be of a one dimensional
long get_entity_nr(const ir_entity *ent);
/** Returns the entities visited count. */
-unsigned long get_entity_visited(ir_entity *ent);
+ir_visited_t get_entity_visited(ir_entity *ent);
/** Sets the entities visited count. */
-void set_entity_visited(ir_entity *ent, unsigned long num);
+void set_entity_visited(ir_entity *ent, ir_visited_t num);
/** Sets visited field in entity to entity_visited. */
void mark_entity_visited(ir_entity *ent);
*/
void set_type_size_bytes(ir_type *tp, unsigned size);
-/** Returns the alignment of a type in bytes.
- *
- * Returns -1 if the alignment is NOT
- * a byte size, i.e. not dividable by 8. Calls get_type_alignment_bits(). */
+/** Returns the alignment of a type in bytes. */
unsigned get_type_alignment_bytes(ir_type *tp);
/** Returns the alignment of a type in bits.
void set_type_alignment_bytes(ir_type *tp, unsigned align);
/** Returns the visited count of a type. */
-unsigned long get_type_visited(const ir_type *tp);
+ir_visited_t get_type_visited(const ir_type *tp);
/** Sets the visited count of a type to num. */
-void set_type_visited(ir_type *tp, unsigned long num);
+void set_type_visited(ir_type *tp, ir_visited_t num);
/** Sets visited field in type to type_visited. */
void mark_type_visited(ir_type *tp);
/** Returns non-zero if the type is already visited */
*
* @see typewalk
*/
-void set_master_type_visited(unsigned long val);
-unsigned long get_master_type_visited(void);
-void inc_master_type_visited(void);
+void set_master_type_visited(ir_visited_t val);
+ir_visited_t get_master_type_visited(void);
+void inc_master_type_visited(void);
/**
* Sets the debug information of a type.
#define set_class_base_type(clss, basetype, pos) set_class_supertype(clss, basetype, pos)
#define remove_class_base_type(clss, basetype) remove_class_supertype(clss, basetype)
-/** Convenience macro */
-#define add_class_base_type(clss, basetype) add_class_supertype(clss, basetype)
-#define get_class_n_base_types(clss) get_class_n_supertypes(clss)
-#define get_class_base_type_index(clss, base_clss) get_class_supertype_index(clss, base_clss)
-#define get_class_base_type(clss, pos) get_class_supertype(clss, pos)
-#define set_class_base_type(clss, basetype, pos) set_class_supertype(clss, basetype, pos)
-#define remove_class_base_type(clss, basetype) remove_class_supertype(clss, basetype)
-
/** Returns a human readable string for a peculiarity. */
const char *get_peculiarity_name(ir_peculiarity p);
/**
* The interface type for the type identify module;
*/
-typedef struct _type_identify_if_t {
+struct type_identify_if_t {
compare_types_func_t *cmp; /**< The function that should be used to compare two types.
If NULL, compare_strict() will be used. */
hash_types_func_t *hash; /**< The function that should be used to calculate a hash
value of a type. If NULL, hash_name() will be used. */
-} type_identify_if_t;
+};
/**
* Initialise the type identifier module.