3 * File name: ir/tr/type_t.h
4 * Purpose: Representation of types -- private header.
5 * Author: Goetz Lindenmaier
9 * Copyright: (c) 2001-2003 Universität Karlsruhe
10 * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
23 * This file contains the datatypes hidden in type.h.
25 * @author Goetz Lindenmaier
26 * @see type.h tpop_t.h tpop.h
29 /** class attributes */
31 entity **members; /**< fields and methods of this class */
32 type **subtypes; /**< direct subtypes */
33 type **supertypes; /**< direct supertypes */
34 peculiarity peculiarity;
35 int dfn; /**< number used for 'instanceof' operator */
38 /** struct attributs */
40 entity **members; /**< fields of this struct. No method entities
44 /** method attributes */
46 int n_params; /**< number of parameters */
47 type **param_type; /**< code generation needs this information. */
48 type *value_params; /**< A type whose entities represent copied value arguments. */
49 int n_res; /**< number of results */
50 type **res_type; /**< array with result types */
51 type *value_ress; /**< A type whose entities represent copied value results. */
52 variadicity variadicity; /**< variadicity of the method. */
53 int first_variadic_param; /**< index of the first variadic param or -1 if non-variadic .*/
56 /** union attributs */
59 /* type **unioned_type; * a list of unioned types. */
60 /* ident **delim_names; * names of the union delimiters. */
61 entity **members; /**< fields of this union. No method entities
66 /** array attributs */
68 int n_dimensions; /**< Number of array dimensions. */
69 ir_node **lower_bound; /**< Lower bounds of dimensions. Usually all 0. */
70 ir_node **upper_bound; /**< Upper bounds or dimensions. */
71 int *order; /**< Ordering of dimensions. */
72 type *element_type; /**< The type of the array elements. */
73 entity *element_ent; /**< Entity for the array elements, to be used for
74 element selection with Sel. */
79 int n_enums; /**< Number of enumerators. */
80 tarval **enumer; /**< Contains all constants that represent a member
81 of the enum -- enumerators. */
82 ident **enum_nameid;/**< Contains the names of the enum fields as specified by
86 /** pointer attributs */
88 type *points_to; /**< The type of the enitity the pointer points to. */
92 typedef struct { * No private attr yet! *
97 typedef struct { * No private attr, must be smaller than others! *
101 /** General type attributs. */
103 cls_attr ca; /**< attributes of a class type */
104 stc_attr sa; /**< attributes of a struct type */
105 mtd_attr ma; /**< attributes of a method type */
106 uni_attr ua; /**< attributes of an union type */
107 arr_attr aa; /**< attributes of an array type */
108 enm_attr ea; /**< attributes of an enumeration type */
109 ptr_attr pa; /**< attributes of a pointer type */
112 /** the structure of a type */
117 type_state state; /**< Represents the types state: layout undefined or
119 int size; /**< Size of an entity of this type. This is determined
120 when fixing the layout of this class. Size must be
122 ir_mode *mode; /**< The mode for atomic types */
123 unsigned long visit; /**< visited counter for walks of the type information */
124 void *link; /**< holds temporary data - like in irnode_t.h */
125 struct dbg_info* dbi; /**< A pointer to information for debug support. */
128 int nr; /**< a unique node number for each node to make output
131 tp_attr attr; /* type kind specific fields. This must be the last
132 entry in this struct! Varying size! */
136 * Creates a new type representation:
138 * @param type_op - the kind of this type. May not be type_id.
139 * @param mode - the mode to be used for this type, may be NULL
140 * @param name - an ident for the name of this type.
141 * @return a new type of the given type. The remaining private attributes are not
142 * @return initalized. The type is in state layout_undefined.
146 new_type(tp_op *type_op,
149 void free_type_attrs (type *tp);
151 INLINE void free_class_entities (type *clss);
152 INLINE void free_struct_entities (type *strct);
153 INLINE void free_method_entities (type *method);
154 INLINE void free_union_entities (type *uni);
155 INLINE void free_array_entities (type *array);
156 INLINE void free_enumeration_entities(type *enumeration);
157 INLINE void free_pointer_entities (type *pointer);
158 INLINE void free_primitive_entities (type *primitive);
160 INLINE void free_class_attrs (type *clss);
161 INLINE void free_struct_attrs (type *strct);
162 INLINE void free_method_attrs (type *method);
163 INLINE void free_union_attrs (type *uni);
164 INLINE void free_array_attrs (type *array);
165 INLINE void free_enumeration_attrs(type *enumeration);
166 INLINE void free_pointer_attrs (type *pointer);
167 INLINE void free_primitive_attrs (type *primitive);
170 /** initialize the type module */
171 void init_type (void);
174 /* ------------------- *
176 * ------------------- */
178 extern unsigned long type_visited;
180 static INLINE void __set_master_type_visited(unsigned long val) { type_visited = val; }
181 static INLINE unsigned long __get_master_type_visited(void) { return type_visited; }
182 static INLINE void __inc_master_type_visited(void) { type_visited++; }
185 __get_type_link(type *tp) {
186 assert(tp && tp->kind == k_type);
191 __set_type_link(type *tp, void *l) {
192 assert(tp && tp->kind == k_type);
197 __get_type_tpop(type *tp) {
198 assert(tp && tp->kind == k_type);
203 __get_type_tpop_nameid(type *tp) {
204 assert(tp && tp->kind == k_type);
205 return get_tpop_ident(tp->type_op);
208 static INLINE tp_opcode
209 __get_type_tpop_code(type *tp) {
210 assert(tp && tp->kind == k_type);
211 return get_tpop_code(tp->type_op);
214 static INLINE ir_mode *
215 __get_type_mode(type *tp) {
216 assert(tp && tp->kind == k_type);
220 static INLINE ident *
221 __get_type_ident(type *tp) {
222 assert(tp && tp->kind == k_type);
227 __set_type_ident(type *tp, ident* id) {
228 assert(tp && tp->kind == k_type);
233 __get_type_nr(type *tp) {
243 __get_type_size_bits(type *tp) {
244 assert(tp && tp->kind == k_type);
249 __get_type_size_bytes(type *tp) {
250 int size = __get_type_size_bits(tp);
251 if ((size & 7) != 0) {
252 assert(0 && "cannot take byte size of this type");
258 static INLINE type_state
259 __get_type_state(type *tp) {
260 assert(tp && tp->kind == k_type);
264 static INLINE unsigned long
265 __get_type_visited(type *tp) {
266 assert(tp && tp->kind == k_type);
271 __set_type_visited(type *tp, unsigned long num) {
272 assert(tp && tp->kind == k_type);
277 __mark_type_visited(type *tp) {
278 assert(tp && tp->kind == k_type);
279 assert(tp->visit < type_visited);
280 tp->visit = type_visited;
284 __type_visited(type *tp) {
285 assert(tp && tp->kind == k_type);
286 return tp->visit >= type_visited;
290 __type_not_visited(type *tp) {
291 assert(tp && tp->kind == k_type);
292 return tp->visit < type_visited;
296 __is_type(void *thing) {
297 return (get_kind(thing) == k_type);
301 __is_class_type(type *clss) {
303 return (clss->type_op == type_class);
307 __is_struct_type(type *strct) {
309 return (strct->type_op == type_struct);
313 __is_method_type(type *method) {
315 return (method->type_op == type_method);
319 __is_union_type(type *uni) {
321 return (uni->type_op == type_union);
325 __is_array_type(type *array) {
327 return (array->type_op == type_array);
331 __is_enumeration_type(type *enumeration) {
333 return (enumeration->type_op == type_enumeration);
337 __is_pointer_type(type *pointer) {
339 return (pointer->type_op == type_pointer);
342 /** Returns true if a type is a primitive type. */
344 __is_primitive_type(type *primitive) {
345 assert(primitive && primitive->kind == k_type);
346 return (primitive->type_op == type_primitive);
350 __is_atomic_type(type *tp) {
351 assert(tp && tp->kind == k_type);
352 return (is_primitive_type(tp) || is_pointer_type(tp) ||
353 is_enumeration_type(tp));
357 #define set_master_type_visited(val) __set_master_type_visited(val)
358 #define get_master_type_visited() __get_master_type_visited()
359 #define inc_master_type_visited() __inc_master_type_visited()
360 #define get_type_link(tp) __get_type_link(tp)
361 #define set_type_link(tp, l) __set_type_link(tp, l)
362 #define get_type_tpop(tp) __get_type_tpop(tp)
363 #define get_type_tpop_nameid(tp) __get_type_tpop_nameid(tp)
364 #define get_type_tpop_code(tp) __get_type_tpop_code(tp)
365 #define get_type_mode(tp) __get_type_mode(tp)
366 #define get_type_ident(tp) __get_type_ident(tp)
367 #define set_type_ident(tp, id) __set_type_ident(tp, id)
368 #define get_type_nr(tp) __get_type_nr(tp)
369 #define get_type_size(tp) __get_type_size(tp)
370 #define get_type_state(tp) __get_type_state(tp)
371 #define get_type_visited(tp) __get_type_visited(tp)
372 #define set_type_visited(tp, num) __set_type_visited(tp, num)
373 #define mark_type_visited(tp) __mark_type_visited(tp)
374 #define type_visited(tp) __type_visited(tp)
375 #define type_not_visited(tp) __type_not_visited(tp)
376 #define is_type(thing) __is_type(thing)
377 #define is_class_type(clss) __is_class_type(clss)
378 #define is_struct_type(strct) __is_struct_type(strct)
379 #define is_method_type(method) __is_method_type(method)
380 #define is_union_type(uni) __is_union_type(uni)
381 #define is_array_type(array) __is_array_type(array)
382 #define is_enumeration_type(enumeration) __is_enumeration_type(enumeration)
383 #define is_pointer_type(pointer) __is_pointer_type(pointer)
384 #define is_primitive_type(primitive) __is_primitive_type(primitive)
385 #define is_atomic_type(tp) __is_atomic_type(tp)
387 # endif /* _TYPE_T_H_ */