X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Ftr%2Ftype_t.h;h=65eb07a713eea52df4d62995960d5525cfc4b3b7;hb=7d61ad5fbb6a87bea369c8a01103a92d9ab79a48;hp=c3e1856095dde97918f0399311454bbb116f131d;hpb=270f2356557d43d3e7ea36dacac46cd1e54a902d;p=libfirm diff --git a/ir/tr/type_t.h b/ir/tr/type_t.h index c3e185609..65eb07a71 100644 --- a/ir/tr/type_t.h +++ b/ir/tr/type_t.h @@ -21,12 +21,12 @@ * @file * @brief Representation of types -- private header. * @author Goetz Lindenmaier, Michael Beck - * @version $Id$ * @see type.h tpop_t.h tpop.h */ #ifndef FIRM_TR_TYPE_T_H #define FIRM_TR_TYPE_T_H +#include #include "typerep.h" #include "tpop_t.h" #include "irgraph.h" @@ -61,21 +61,17 @@ typedef struct { /** A (type, ir_entity) pair. */ typedef struct { - ir_type *tp; /**< A type. */ - ir_entity *ent; /**< An ir_entity. */ - ident *param_name; /**< For debugging purposes: the name of the parameter */ + ir_type *tp; /**< A type. */ + ir_entity *ent; /**< An ir_entity. */ } tp_ent_pair; /** Method type attributes. */ typedef struct { size_t n_params; /**< Number of parameters. */ tp_ent_pair *params; /**< Array of parameter type/value entities pairs. */ - ir_type *value_params; /**< A type whose entities represent copied value arguments. */ size_t n_res; /**< Number of results. */ tp_ent_pair *res_type; /**< Array of result type/value ir_entity pairs. */ - ir_type *value_ress; /**< A type whose entities represent copied value results. */ ir_variadicity variadicity; /**< The variadicity of the method. */ - size_t first_variadic_param; /**< The index of the first variadic parameter or -1 if non-variadic .*/ mtp_additional_properties additional_properties; /**< Set of additional method properties. */ unsigned irg_calling_conv; /**< A set of calling convention flags. */ } mtd_attr; @@ -90,7 +86,7 @@ typedef struct { size_t n_dimensions; /**< Number of array dimensions. */ ir_node **lower_bound; /**< Lower bounds of dimensions. Usually all 0. */ ir_node **upper_bound; /**< Upper bounds or dimensions. */ - int *order; /**< Ordering of dimensions. */ + size_t *order; /**< Ordering of dimensions. */ ir_type *element_type; /**< The type of the array elements. */ ir_entity *element_ent; /**< entity for the array elements, to be used for element selection with a Sel node. */ @@ -133,17 +129,19 @@ typedef union { /** Additional type flags. */ enum type_flags { - tf_none = 0, /**< No flags. */ - tf_lowered_type = 1, /**< Set if this is a lowered type. */ - tf_layout_fixed = 2, /**< Set if the layout of a type is fixed */ - - tf_frame_type = 4, /**< Set if this is a frame type. */ - tf_value_param_type = 8, /**< Set if this is a value param type. */ - tf_global_type = 16, /**< Set only for the global type */ - tf_tls_type = 32, /**< Set only for the tls type */ - tf_constructors = 64, /**< Set only for the constructors segment type */ - tf_destructors = 128, /**< Set only for the destructors segment type */ + tf_none = 0, /**< No flags. */ + tf_lowered_type = 1U << 0, /**< Set if this is a lowered type. */ + tf_layout_fixed = 1U << 1, /**< Set if the layout of a type is fixed */ + + tf_frame_type = 1U << 2, /**< Set if this is a frame type. */ + tf_segment = 1U << 3, /**< type represents a linker segment */ + tf_global_type = 1U << 4, /**< Set only for the global type */ + tf_tls_type = 1U << 5, /**< Set only for the tls type */ + tf_constructors = 1U << 6, /**< Set only for the constructors segment type */ + tf_destructors = 1U << 7, /**< Set only for the destructors segment type */ + tf_variable_size = 1U << 8, /**< compound or array type may have variable size last element */ }; +ENUM_BITSET(type_flags) /** * An abstract data type to represent types. @@ -158,53 +156,6 @@ enum type_flags { * the type. These are distinguished by a type opcode. * A type is described by a set of attributes. Some of these attributes * are common to all types, others depend on the kind of the type. - * - * The following describes the common attributes. They can only be - * accessed by the functions given below. - * - * The common fields are: - * - * - firm_kind: A firm_kind tag containing k_type. This is useful - * for dynamically checking whether a node is a type node. - * - type_op: A tp_op specifying the kind of the type. - * - name: An identifier specifying the name of the type. To be - * set by the frontend. - * - size: The size of the type, i.e. an entity of this type will - * occupy size bits in memory. In several cases this is - * determined when fixing the layout of this type (class, - * struct, union, array, enumeration). - * - alignment The alignment of the type, i.e. an entity of this type will - * be allocated an an address in memory with this alignment. - * In several cases this is determined when fixing the layout - * of this type (class, struct, union, array) - * - mode: The mode to be used to represent the type on a machine. - * - state: The state of the type. The state represents whether the - * layout of the type is undefined or fixed (values: layout_undefined - * or layout_fixed). Compound types can have an undefined - * layout. The layout of the basic types primitive and pointer - * is always layout_fixed. If the layout of - * compound types is fixed all entities must have an offset - * and the size of the type must be set. - * A fixed layout for enumeration types means that each enumeration - * is associated with an implementation value. - * - assoc_type: The associated lowered/upper type. - * - visit: A counter for walks of the type information. - * - link: A void* to associate some additional information with the type. - * - * These fields can only be accessed via access functions. - * - * Depending on the value of @c type_op, i.e., depending on the kind of the - * type the adt contains further attributes. These are documented below. - * - * @see - * - * @link class_type class @endlink, @link struct_type struct @endlink, - * @link method_type method @endlink, @link union_type union @endlink, - * @link array_type array @endlink, @link enumeration_type enumeration @endlink, - * @link pointer_type pointer @endlink, @link primitive_type primitive @endlink - * - * @todo - * mode maybe not global field?? */ struct ir_type { firm_kind kind; /**< the firm kind, must be k_type */ @@ -212,41 +163,30 @@ struct ir_type { ident *name; /**< The name of the type */ ir_visibility visibility;/**< Visibility of entities of this type. */ unsigned flags; /**< Type flags, a bitmask of enum type_flags. */ - unsigned size; /**< Size of an ir_entity of this type. This is determined - when fixing the layout of this class. Size must be - given in bytes. */ - unsigned align; /**< Alignment of an ir_entity of this type. This should be - set according to the source language needs. If not set it's - calculated automatically by get_type_alignment(). + unsigned size; /**< Size of an ir_entity of this type. This is + determined when fixing the layout of this + class. Size must be given in bytes. */ + unsigned align; /**< Alignment of an ir_entity of this type. This + should be set according to the source + language needs. If not set, it's calculated + automatically by get_type_alignment(). Alignment must be given in bytes. */ ir_mode *mode; /**< The mode for atomic types */ ir_visited_t visit; /**< visited counter for walks of the type information */ void *link; /**< holds temporary data - like in irnode_t.h */ type_dbg_info *dbi; /**< A pointer to information for debug support. */ - ir_type *assoc_type; /**< The associated lowered/unlowered type */ - - /* ------------- fields for analyses ---------------*/ + ir_type *higher_type; /**< link to highlevel type in case of lowered + types */ #ifdef DEBUG_libfirm - long nr; /**< An unique node number for each node to make output - readable. */ + long nr; /**< An unique node number for each node to make + output readable. */ #endif - tp_attr attr; /**< Type kind specific fields. This must be the last - entry in this struct! Varying size! */ + tp_attr attr; /**< Type kind specific fields. This must be the + last entry in this struct! Varying size! */ }; -/** - * Creates a new type representation: - * - * @param type_op the kind of this type. May not be type_id. - * @param mode the mode to be used for this type, may be NULL - * @param db debug info - * - * @return A new type of the given type. The remaining private attributes are not - * initialized. The type is in state layout_undefined. - */ -ir_type *new_type(const tp_op *type_op, ir_mode *mode, type_dbg_info *db); -void free_type_attrs(ir_type *tp); +void free_type_entities(ir_type *tp); void free_class_entities (ir_type *clss); void free_struct_entities (ir_type *strct); @@ -284,13 +224,12 @@ void set_class_dfn(ir_type *clss, int dfn); int get_class_dfn(const ir_type *clss); void add_compound_member(ir_type *compound, ir_entity *entity); -void remove_compound_member(ir_type *compound, ir_entity *entity); /** Initialize the type module. */ -void ir_init_type(void); +void ir_init_type(ir_prog *irp); /** free internal datastructures of type module */ -void ir_finish_type(void); +void ir_finish_type(ir_prog *irp); /** Clone an existing method type. * @@ -302,15 +241,38 @@ void ir_finish_type(void); */ ir_type *clone_type_method(ir_type *tp); -/* ------------------- * - * inline functions * - * ------------------- */ - extern ir_visited_t firm_type_visited; -static inline void _set_master_type_visited(ir_visited_t val) { firm_type_visited = val; } -static inline ir_visited_t _get_master_type_visited(void) { return firm_type_visited; } -static inline void _inc_master_type_visited(void) { ++firm_type_visited; } +static inline void _set_master_type_visited(ir_visited_t val) +{ + firm_type_visited = val; +} + +static inline ir_visited_t _get_master_type_visited(void) +{ + return firm_type_visited; +} + +static inline void _inc_master_type_visited(void) +{ + ++firm_type_visited; +} + +static inline int is_lowered_type(const ir_type *tp) +{ + return tp->flags & tf_lowered_type; +} + +static inline ir_type *get_higher_type(const ir_type *tp) +{ + return tp->higher_type; +} + +static inline void set_higher_type(ir_type *tp, ir_type *higher_type) +{ + tp->flags |= tf_lowered_type; + tp->higher_type = higher_type; +} static inline void *_get_type_link(const ir_type *tp) {