+/**
+ * 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 allocation:3; /**< Distinguishes static and dynamically allocated
+ entities and some further cases. */
+ unsigned visibility:3; /**< Specifies visibility to external program fragments. */
+ unsigned variability:3; /**< Specifies variability of entities content. */
+ unsigned volatility:1; /**< Specifies volatility of entities content. */
+ unsigned align:1; /**< Specifies alignment of entities content. */
+ unsigned stickyness:2; /**< Specifies whether this entity is sticky. */
+ unsigned peculiarity:3; /**< The peculiarity of this entity. */
+ unsigned usage:4; /**< flag indicating usage types of this entity. */
+ unsigned final:1; /**< If set, this entity cannot be overridden. */
+ unsigned compiler_gen:1; /**< If set, this entity was compiler generated. */
+ unsigned backend_marked:1; /**< If set, this entity was marked by the backend for emission. */
+ unsigned has_initializer:1; /**< if set, this entity is initialized by new style initializers. */
+ int offset; /**< Offset in bytes for this entity. Fixed when layout
+ of owner is determined. */
+ 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_node *value; /**< value if entity is not of variability uninitialized.
+ Only for atomic entities. */
+ union {
+ /* ------------- fields for compound entities -------------- */
+ compound_ent_attr cmpd_attr;
+ /* ------------- fields for method entities ---------------- */
+ method_ent_attr mtd_attr;
+ /* entity initializer */
+ ir_initializer_t *initializer;
+ } attr; /**< type specific attributes */
+
+ /* ------------- fields for analyses ---------------*/