-/** the type of an entity */
-struct entity {
- firm_kind kind; /**< dynamic type tag for entity. */
- ident *name; /**< name of this entity */
- ident *ld_name; /**< Unique name of this entity, i.e., the mangled
- name. If the field is read before written a default
- magling is applies. The name of the owner is prepended
- to the name of the entity, separated by a underscore.
- E.g., for a class `A' with field `a' this
- is the ident for `A_a'. */
- type *type; /**< The type of this entity, e.g., a method type, a
- 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. */
- ent_visibility visibility; /**< Specifies visibility to external program
- fragments */
- ent_variability variability; /**< Specifies variability of entities content */
- ent_volatility volatility; /**< Specifies volatility of entities content */
- 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
- */
- 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 **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. */
+/** The attributes for compound entities. */
+typedef struct compound_ent_attr {
+ ir_node **values; /**< constant values of compound entities. */
+ compound_graph_path **val_paths;
+ /**< paths corresponding to constant values. */
+} compound_ent_attr;
+
+/** A reserved value for "not yet set". */
+#define VTABLE_NUM_NOT_SET ((unsigned)(-1))
+
+/** The attributes for methods. */
+typedef struct method_ent_attr {
+ ir_graph *irg; /**< The corresponding irg if known.
+ The ir_graph constructor automatically sets this field. */
+ unsigned irg_add_properties; /**< Additional graph properties can be
+ stored in a entity if no irg is available. */
+
+ unsigned vtable_number; /**< For a dynamically called method, the number assigned
+ in the virtual function table. */
+
+ ptr_access_kind *param_access; /**< the parameter access */
+ unsigned *param_weight; /**< The weight of method's parameters. Parameters
+ with a high weight are good candidates for procedure cloning. */
+} method_ent_attr;
+
+/** additional attributes for code entities */
+typedef struct code_ent_attr {
+ ir_label_t label; /** label of the basic block */
+} code_ent_attr;
+
+
+/**
+ * An abstract data type to represent program entities.
+ *
+ * @see ir_type
+ */
+struct ir_entity {
+ firm_kind kind; /**< The dynamic type tag for entity. */
+ ident *name; /**< The name of this entity. */
+ ident *ld_name; /**< Unique name of this entity, i.e., the mangled
+ name. If the field is read before written a default
+ mangling is applies. The name of the owner is prepended
+ to the name of the entity, separated by a underscore.
+ E.g., for a class `A' with field `a' this
+ is the ident for `A_a'. */
+ ir_type *type; /**< The type of this entity, e.g., a method type, a
+ basic type of the language or a class itself. */
+ ir_type *owner; /**< The compound type (e.g. class type) this entity belongs to. */
+ unsigned linkage:10; /**< Specifies linkage type */
+ unsigned volatility:1; /**< Specifies volatility of entities content.*/
+ unsigned aligned:1; /**< Specifies alignment of entities content. */
+ unsigned usage:4; /**< flag indicating usage types of this entity,
+ see ir_entity_usage. */
+ unsigned compiler_gen:1; /**< If set, this entity was compiler generated.
+ */
+ unsigned visibility:3; /**< @deprecated */
+ unsigned allocation:3; /**< @deprecated */
+ unsigned peculiarity:3; /**< @deprecated */
+ unsigned final:1; /**< @deprecated */
+ int offset; /**< Offset in bytes for this entity. Fixed
+ when layout of owner is determined. */
+ unsigned alignment; /**< entity alignment in bytes */
+ unsigned char offset_bit_remainder;
+ /**< If the entity is a bit field, this is the
+ offset of the start of the bit field
+ within the byte specified by offset. */
+ ir_visited_t visit; /**< visited counter for walks of the type
+ information. */
+ struct dbg_info *dbi; /**< A pointer to information for debug support.
+ */
+ void *link; /**< To store some intermediate information. */
+ ir_type *repr_class; /**< If this entity represents a class info, the
+ associated class. */
+
+ /* ------------- fields for entities owned by a class type ---------------*/
+
+ ir_entity **overwrites; /**< A list of entities this entity overwrites.
+ */
+ ir_entity **overwrittenby; /**< A list of entities that overwrite this
+ entity. */
+
+ /* ------------- fields for atomic entities --------------- */
+ ir_initializer_t *initializer; /**< entity initializer */
+ union {
+ /* ------------- fields for compound entities -------------- */
+ compound_ent_attr cmpd_attr;
+ /* ------------- fields for method entities ---------------- */
+ method_ent_attr mtd_attr;
+ /* fields for code entities */
+ code_ent_attr code_attr;
+ } attr; /**< type specific attributes */
+
+ /* ------------- fields for analyses ---------------*/
+